97results about How to "Affect the installation" patented technology

The invention discloses a concrete joint water stop structure, and belongs to the field of waterproof technologies of concrete buildings. The water stop structure comprises pre-buried anchor holes, adhesives, rubber waterstop, a section steel pressing plate, bolts and a sealing structure; wherein the pre-buried anchor holes are preburied in a concrete structure, the rubber waterstop adheres to the surface of a concrete joint water stop channel through the adhesives, the section steel pressing plate adheres to the upper surface of the rubber waterstop through the adhesives, the bolts penetrates through the section steel pressing plate and the rubber waterstop and are fastened with the pre-buried anchor holes, and the sealing structure is arranged between the rubber waterstop and the concrete joint water stop channel. The invention further discloses a construction method of the concrete joint water stop structure. Compared with the prior art, the concrete joint water stop structure has the advantages of being simple in construction, good in water stop effect and the like.

An automatic conveying device comprises a goods box, a feeding lifter located at the feeding station, a collecting lifter located at the collecting station, an upper conveying belt, a lower conveying belt and an intelligent control system, wherein the two ends of the upper conveying belt and the two ends of the lower conveying belt are connected with the feeding lifter and the collecting lifer respectively, the upper conveying belt is located below the lower conveying belt, a feeding idler wheel is arranged on the upper portion of the lifting platform of the feeding lifter, a feeding motor is arranged on the lower portion of the lifting platform of the feeding lifter and drives the feeding idler wheel through a transmission device, a collecting idler wheel is arranged on the upper portion of the lifting platform of the collecting lifter, and a collecting motor is arranged on the lower portion of the lifting platform of the collecting lifter and drives the collecting idler wheel through a transmission device. The automatic conveying device can control the running states of the two conveying belts according to the weight of material containing in the goods box, starting and stopping in good time of the conveying device are achieved, while labor intensity of workers is reduced, wasting of energy resources is effectively reduced, accident hidden danger is eliminated, and the service life of the conveying device is prolonged.

The invention relates to an auxiliary installation tool for wall-mounted custom-made furniture. The auxiliary installation tool comprises walking wheels, a moving supporting plate, an adjusting part,guide rods, a lifting connecting plate, an adjusting mechanism, a lap carrying plate and a protection mechanism. The walking wheels are symmetrically installed on the bottom of the moving supporting plate. The lifting connecting plate is installed on the upper side face of the middle portion of the moving supporting plate through the adjusting part. The guide rods are symmetrically arranged on theouter side of the adjusting part. The guide rods are installed between the moving supporting plate and the lifting connecting plate. The adjusting mechanism is installed on the lifting connecting plate, and the lap carrying plate is connected to the upper end of the adjusting mechanism. The protection mechanism is connected with the rear end of the lap carrying plate. By means of the auxiliary installation tool for the wall-mounted custom-made furniture, the problems that when the wall-mounted furniture is installed through manual work, multiple persons need to cooperate for operation, the hidden danger of falling of large furniture may happen during manual installation, and when the wall-mounted furniture is installed and aligned manually, the installation angle of the furniture may deviate due to hand jittering, and consequently the installation precision is low and the effect is poor can be solved.

The invention relates to the technical field of steel sheet pile cofferdam construction, in particular to a deep water combined steel sheet pile cofferdam construction method. The method comprises the steps that steel casings are inserted and driven into a cofferdam construction area; bearing structures are arranged in the positions, corresponding to enclosure purlin mounting positions, of steel sheet piles; the steel sheet piles are inserted and driven by relying on the steel casings to form a cofferdam structure in an encircling mode; enclosure purlins are sequentially hoisted onto the bearing structures on the inner sides of the steel sheet piles from bottom to top; water in the cofferdam is pumped layer by layer, and inner supports of the enclosure purlins are mounted layer by layer from top to bottom; and after all the inner supports are mounted, concrete is poured into the cofferdam to form a bearing platform structure. According to the method, corbels are arranged for the steel sheet piles in advance to realize in-place arrangement of the enclosure purlins in advance; through the construction method of conducting water pumping after bottom sealing, integral connecting of the enclosure purlins, and subsequent installation of the inner supports, adverse influences caused by existence of the steel casings, the upper-layer enclosure purlins and the inner supports on the operating space are avoided, the problem that large enclosure purlins cannot be installed is solved effectively, and the installation difficulty of the inner supports during the later period is lowered.

The invention discloses an anti-deformation fixing clamp for an automobile door handle. The anti-deformation fixing clamp for the automobile door handle comprises a clamp plate groove bottom plate, two side walls and compression devices, an arc-shaped tray is fixed at the middle of the clamp plate groove bottom plate, two locating posts are arranged on the arc-shaped tray, and three support bolts are arranged on each of positions, near the two side walls, on the clamp plate groove bottom plate; the compression device is fixed on the side wall, the compression device comprises a bracket, a press hammer, a handle, an L-shaped connecting bar and a linear connecting bar, and the press hammer is fixed on the L-shaped connecting bar through bolts. The handle is connected with the L-shaped connecting bar through a horizontal rotating shaft, the handle is connected with the linear connecting bar through a horizontal rotating shaft, the L-shaped connecting bar is connected with the bracket through a horizontal rotating shaft, and the linear connecting bar is connected with the bracket through a horizontal rotating shaft. A processed door handle component is fixed on the clamp, the arc-shaped tray of the clamp plate groove bottom plate of the clamp exactly keeps the radian of the door handle component to prevent the component upwarping, and accordingly the influence to the component mounting and use due to upwarping is avoided.

The invention discloses a valve hand wheel dip painting device. The valve hand wheel dip painting device comprises a machine seat, a first vertical plate fixedly arranged on the left side of the uppersurface of the machine seat, a second vertical plate fixedly arranged on the upper surface of the first vertical plate, a drive piece fixedly arranged on the upper surface of the second vertical plate, a conveying device arranged at an output end of the drive piece, a feeding device arranged on the conveying device, a fixed plate fixedly arranged on the upper surface of the machine seat, a conveying belt arranged on the upper surface of the fixed plate, a plurality of material placing devices arranged on the conveying belt, a dip painting housing fixedly arranged on the upper surface of the machine seat and a dip painting space formed in the dip painting housing and opened upwards.

The invention relates to the technical field of shampoo filling, in particular to a shampoo filling system. A filling gun head can be cleaned after each filling is completed. The shampoo filling system comprises a lifting filling mechanism, a collecting bottom frame mechanism, a feeding and discharging sliding way mechanism, a rotary wiping mechanism and a bottle body clamping mechanism. A vertical rack descends together while a filling gun descends and is in meshing transmission with a driving gear, the driving gear drives a center shaft to rotate, the center shaft drives a bevel gear to rotate, the bevel gear drives a bevel gear ring and a rotating table to rotate, and the purpose that the filling gun is close to a wiping brush, and meanwhile the wiping brush rotates is achieved. When the filling gun is in contact with and is inserted into the wiping brush, the wiping brush can wipe off shampoo stained on the filling gun due to rotation, the filling gun is cleaned up after each filling is completed, the circumstance that shampoo is stained on a shampoo bottle when the filling gun fills the next shampoo bottle is avoided, and the circumstance that the shampoo is stained on a bottle opening of the shampoo bottle, and consequently bottle cap mounting is influenced is avoided.

The invention relates to an integrative fastener which can be used as an own flat cushion, a spring cushion screw rod and a screw nut, satisfy the requirement on the screw rod and the screw nut in an installation site, avoid influencing installation and firm operation by various conditions or leaking to add the flat cushion and the spring cushion for various conditions, in particular to a situation which is not beneficial to operating, the addition of the flat cushion and the spring cushion wastes time and labor and is dangerous, the flat cushion and the spring cushion are arranged on the screw rod, and a set of combined screw rod parts is formed by matching sizes, the flat cushion and the spring cushion are arranged on the screw nut, an integrative combined screw nut part is formed by the micro-connection of switchable combined points, consequently, the operation difficulty is greatly reduced, and the operation efficiency can be greatly increased.

The invention relates to visual inspection equipment for a mobile phone camera bracket. The visual inspection equipment is provided with a rack and a working platform, a vibration disc is arranged on the rack, a detection station, a carrying station and a discharging station are arranged on the working platform, a detection mechanism is arranged on the detection station, a carrying mechanism is arranged on the carrying station, and a discharging mechanism is arranged on the discharging station; the discharging mechanism comprises a linear module, a moving plate, a lifting air cylinder, a bearing plate, a material tray support fixed to the working platform and a tray storage support, the tray storage support is provided with a plurality of supporting rods, each supporting rod is rotationally provided with a supporting block, each supporting block is provided with a through hole, each supporting rod is provided with a rotating shaft, and each rotating shaft is sleeved with a reset spring; and each supporting block is used for supporting the feeding disc after the feeding disc is driven by the lifting air cylinder to be upwards jacked until each supporting block is overturned and reset. According to the invention, rapid detection of each surface of the mobile phone camera support can be realized, and high efficiency and practicability are realized.

The invention discloses a hydrogen peroxide plasma sterilizer of a square sterilization bin with convenience in fixing a placement basket. The hydrogen peroxide plasma sterilizer comprises a placement basket (1), a sterilization bin (2), an electrode net (3), fixed plates (4) and a connecting seat (5), wherein the connecting seat (5) is arranged between the sterilization bin (2) and the electrode net (3); the fixed plates are arranged on left and right sides inside the electrode net (3) respectively; a plurality of struts (6) made of a non-conductive insulating material are arranged on the fixed plates (4) respectively; grooves (A) matched with the struts (6) are respectively formed on left and right sides at the bottom of the placement basket (1); the placement basket (1) is arranged on the struts (6) of the fixed plates (4) through the grooves (A) at the bottom. According to the hydrogen peroxide plasma sterilizer, the distances between two sides of the placement basket and the fixed plates are greatly increased, hydrogen peroxide gas and plasma are promoted to enter the placement basket from the lateral side, so that the sterilization quality of medical devices placed from left and right insides of the placement basket can be guaranteed.

The invention relates to a tin soldering device with a pin protection function for electronic part assembling. The tin soldering device comprises an equipment shell and a second belt conveyor, whereina first motor is installed at the lower end of the equipment shell, a rotating platform is arranged in the middle of the lower wall of the interior of the equipment shell, a positioning support is fixed to the rotating platform, a pin shearing mechanism and a first belt conveyor are sequentially arranged on the lower wall of the interior of the equipment shell anticlockwise, an electronic part body is placed at the upper end of the equipment shell, a first electric sliding rail is arranged on the rear wall of the equipment shell, and a second multi-section hydraulic cylinder is installed at the lower end of the first electric sliding rail. The tin soldering device with the pin protection function for electronic part assembling has the beneficial effects that pins of capacitors are inserted into pin protection sleeves to be protected, so that the situation of waste caused by the fact that the pins are bent or damaged due to collision and other problems in the conveying process and thecapacitors cannot be used consequently is prevented.

The invention relates to an integrated floatable AI server liquid cooling assembly which comprises a metal plate wrench and at least two water cooling plates which are assembled at the bottom of the metal plate wrench in a floating mode and distributed at intervals, and each water cooling plate is provided with a screw used for being connected with a PCB mainboard. According to the invention, a top metal plate is in floating connection with the plurality of water cooling plates at the bottom, so that when each water cooling plate is mounted to a server chip module, the height of each water cooling plate relative to a horizontal plane can be adjusted through a spring floatable sleeve connecting mechanism without mutual influence and restriction, thereby ensuring good attachment of each water cooling plate and a chip, the installation and heat dissipation effects are not affected by the height difference generated by the chips when the chips are installed on the PCB main board, so that efficient liquid cooling heat dissipation of the multiple AI chips laid on the PCB can be achieved, and simple and convenient operation and maintenance operation by one person can be achieved.

The invention discloses a fixation-free connection way of a motor of a small washing machine and relates to the field of washing machines. In the fixation-free connection way, the small washing machine comprises the motor and an external barrel of the washing machine, wherein the motor is fixed at the bottom of the external barrel of the washing machine through a fixing device. The fixing device is utilized for fixing the motor at the bottom of the external barrel of the small washing machine, thereby reducing mutual fixing structures among the washing machine, the motor and a bearing seat, correspondingly removing the mutual fixation process among the washing machine, the motor and the bearing seat, and simultaneously reducing space occupied by the motor and the bearing seat in the radial direction. Meshing structures enabling convex parts and convex parts to correspond are adopted among the motor, the bearing seat and the external barrel, thereby being capable of preventing displacement among all the parts after superposition, increasing the contact surface with the motor by utilizing a circular section or an oval section on a compression edge, and enabling the operation of the motor to be more stable.

The invention relates to a manufacturing and machining device and a machining method for a high-density polyethylene HDPE double-wall corrugated pipe. The device comprises a workbench and supporting frames symmetrically arranged at the centers of the front end and the rear end of the bottom of the workbench, wherein an outer grinding device is arranged above the supporting frames, an inner grinding device is arranged above the workbench, and a cleaning device is arranged between two sets of rectangular baffles. According to the device, guide rods, bidirectional screw rods, first grinding rollers and first arc-shaped plates are matched so that the two sets of first grinding rollers can move oppositely under the thread driving of the bidirectional screw rods and the guide action of the guide rods, the corrugated pipe to be machined is jacked to the position above the workbench, burrs on the outer wall of the corrugated pipe to be machined are ground, the first arc-shaped plates rotate along with the first grinding rollers, the burrs in grooves in the outer wall of the corrugated pipe to be machined can be ground, the size precision of the corrugated pipe is improved, the situation that the burrs in the grooves are not removed, and consequently installation of the corrugated pipe is affected is avoided, and the labor intensity of workers is relieved.

The invention relates to the technical field of automobiles and discloses an automobile roof lining and skylight connecting assembly. The automobile roof lining and skylight connecting assembly comprises a top lining and a skylight assembly; a vertical circular through hole is formed in the surface of the top lining; two limiting plates which are symmetrically distributed are connected to the topof the top lining; limiting holes are formed in the two limiting plates; a mounting piece is arranged between the two limiting plates; the mounting piece comprises a bottom plate and two vertical plates; the two vertical plates are fixedly connected to the two sides of the bottom plate respectively. The automobile roof lining and skylight connecting assembly is stable in matching; clamping platesand clamping holes are arranged at the bottom of the skylight assembly; the clamping plates are inserted between a square frame box and the vertical plates, so that clamping can be realized through clamping blocks; a positioning mode is simple; the service life of the connecting assembly is longer than that of a connecting assembly adopting an adhesive connection mode; if a certain part is damaged, only a new part needs to replace the damaged part, complete disassembly and replacement are not needed; the vertical plates can deform by pressing vertical pressing plates, and therefore, installation parts and related parts are convenient to install and disassemble, and operation is easy.

The invention provides a multifunctional ring main unit based on an intelligent monitoring device. The multifunctional ring main unit comprises a cabinet body shell, a rear plate, a threading hole, movable support frame structures, mounting holes, rainproof heat dissipation frame structures, support rods, a mounting mesh plate, a wire distribution frame structure, a through hole, an induction dispersion fire extinguishing frame structure, a protective cover, a box door, a transparent observation window and rubber strips; the rear plate is in bolted connection with the rear end of the cabinet body shell; the threading hole is formed in the right side of the lower part of the inner side of the rear plate; the movable support frame structures are arranged at the lower part of the cabinet bodyshell. According to the multifunctional ring main unit based on the intelligent monitoring device of the invention, a vertical plate, a wire inserting groove and a stop block are adopted, a wire is placed on the inner side of the wire inserting groove, the stop block is inserted into the inner side of the wire inserting groove, so that the wire is fixed to the inner side of the wire inserting groove; when a worker maintains equipment installed in the cabinet body shell, a fault wire and a corresponding connection port can be conveniently and rapidly found, and maintenance time is saved.

The invention discloses a transformer provided with a base having a quick installing function. The transformer comprises a transformer body and the base arranged below the transformer body, wherein afixing plate is arranged on the base, two sliding grooves perpendicular to the fixing plate are formed in the base, two installing plate installed on the fixing plate and perpendicular to the fixing plate are arranged between the two sliding grooves, a bearing plate is arranged at the bottom of the transformer body, sliding wheels capable of sliding along the sliding grooves are arranged at two ends of the bearing plate and are installed at two ends of the bearing plate through connecting rod in plugged connection with the bearing plate in a matched way and are fastened through bolts, and an electric hydraulic cylinder is arranged at the bottom of the central position of the bearing plate. The transformer can be quickly, conveniently and reliably installed, the installing time and requiredmanpower and material resources are saved, and the transformer is practical.

The invention provides a tail door hinge mounting structure which comprises a mounting box, a nut plate and a nut plate cover plate, wherein the top end of the mounting box is opened; the mounting box is fixedly connected with an automobile body; a bottom plate of the mounting box is provided with a first mounting hole; the nut plate is positioned between the bottom plate and the nut plate cover plate; the nut plate cover plate is fixedly connected with the mounting box; the nut plate is provided with a thread hole; the nut plate cover plate is provided with a second mounting hole; the first mounting hole, the thread hole and the second mounting hole are communicated with one another; the thread hole is smaller than the first mounting hole and the second mounting hole; the nut plate or the bottom plate adopts a limiting structure; and an interval is formed between the limiting structure and the edge of the nut plate. The tail door hinge mounting structure has high strength of the integral structure, and good adjustability.

The invention discloses insulating material production equipment used for production of an electric wire and optical cable shell. The equipment is structurally comprises a machine body, a cutting mechanism, and an anti-deformation mechanism, wherein the machine body is provided with a hand wheel, and a base plate; the cutting mechanism is provided with baffle plates, a servo motor, a limiting roller, and a conveying plate; and the anti-deformation mechanism is provided with a reset spring, a pressing plate, a pushing mechanism, a cutting groove, an extruding mechanism and a fixing plate. The insulating material production equipment has the beneficial effects that a wedge-shaped plate is pushed to extrude a pressing plate for extrusion through the stress on a supporting plate during cutting, so that a folding rod is driven to be folded, and insulating material in a groove is horizontally extruded in the opposite direction, so that the phenomena that the insulating material is deformed due to the one-way pressure during cutting, then the quality of the insulating material is influenced, and subsequent mounting of a wire core is influenced are avoided.

The invention provides an efficient heat dissipation device for an automobile vent pipe. The device comprises two insulation covers with the semi-annular cross sections; the two insulation covers arerotationally connected through a rotating shaft, a heat dissipation cover with the semi-annular cross section is arranged inside each insulation cover, the axis of the heat dissipation covers coincides with the axis of the insulation covers, heat dissipation pieces are arranged between the heat dissipation covers and the insulation covers, the insulation covers and the heat dissipation covers areconnected through the heat dissipation covers, a limiting groove is formed in the outer surface of a pipe body of the automobile vent pipe, a limiting edge matched with the limiting groove is arrangedon the inner surface of each heat dissipation cover, the two heat dissipation covers are matched to form a cavity for fixing the automobile vent pipe, when an automobile runs, air rapidly passes a cavity formed between the heat dissipation covers and the insulation covers, hot air on the automobile vent pipe can be dissipated more rapidly, and heat dissipation of the automobile vent pipe is moreefficient.

The invention belongs to the technical field of part mounting, and specifically discloses a moving device for locomotive mounting. The moving device comprises a conveying unit and a paint spaying unit. The conveying unit comprises a conveying belt, a driving shaft and a plurality of supporting shafts. The diameter of the supporting shaft is larger than the diameter of the driving shaft. The driving shaft is provided with a driving mechanism. An inner gear is arranged on the inside wall of the conveying belt. The driving shaft is provided with a concave tooth section. The conveying belt is fixedly provided with magnetic positioning rods. An auxiliary section comprises auxiliary rods and an air-blowing mechanism. Each auxiliary rod is in a reversed-L shape and is internally hollow. Each auxiliary rod is connected with a corresponding supporting rod in a sliding mode, and each supporting rod communicates with a corresponding positioning plate. Each positioning plate is in an arc shape, and a magnetic layer is arranged on the arc surface of each positioning plate. Each magnetic layer attracts with the corresponding positioning rod when approaching the corresponding positioning rod. Theair-blowing mechanism comprises a cylinder body; a piston rod is partially hinged to the end of the driving shaft; and the cylinder body is provided with an air supply pipe. The problem that the endsurfaces of cylindrical parts are painted manually so that the production efficiency is seriously lowered and the business benefit is decreased in the prior art is solved.

The invention relates to an automatic welding machine device and a welding method of a 360-degree pipeline. The automatic welding machine device comprises two parallel chains and a movable frame, wherein the two parallel chains are fixed to the pipeline, the movable frame can move along the chains, and a welding head is arranged on the movable frame; the movable frame comprises an arc-shaped frame, a main driving device and a secondary driving device which are arranged on the arc-shaped frame, at least two main gears are arranged on the front end of the arc-shaped frame, at least two driven gears are arranged on the back end of the arc-shaped frame, the main gears and the driven gears are respectively engaged with the chains, the main gears are driven to rotate by the main driving device by virtue of a rotating shafts, and the driven gears are driven to rotate by the secondary driving device by virtue of a rotating shaft; and the length of the arc-shaped frame is greater than the 271-degree arc length of the pipeline. The automatic welding machine device has the advantages that a welding machine can rotate at 360 degrees along the way edge, enough adhesion is supplied so as to guarantee the welding quality, the installation is simple, and the operation is stable.

The invention relates to an adjustable pin shaft installation platform which comprises a work base, a pin shaft supporting assembly and a push assembly. The work base comprises a standing platform andan installation support arranged on the standing platform. The pin shaft supporting assembly is arranged on the installation support and comprises at least one pin shaft supporting base installed onthe installation support, the pin shaft supporting base is provided with a V-shaped groove for containing a pin shaft, the push assembly is arranged on the side of the pin shaft supporting base and comprises a push part located on one side of the V-shaped groove of the pin shaft supporting base, and the front end of the push part is opposite to the V-shaped groove. The adjustable pin shaft installation platform has the advantages that by means of the cooperation of the work base, the pin shaft supporting assembly and the push assembly, the pin shaft is supported and pushed, therefore, the platform only needs to be matched with a forklift or other similar lifting mechanisms to lift a whole platform to the installation position of the pin shaft, great convenience is brought, the number of staff needed by installation is greatly reduced, assembling is fast, operation is easy, practicability is high, and safe risk is low.

The invention discloses a distance detection method and system for a wireless power transmission device. The wireless power transmission device comprises a transmitting terminal circuit and a receiving terminal circuit. A transmitting coil of the transmitting terminal circuit and a receiving coil of the receiving terminal circuit form an induction circuit through magnetic coupling. The distance detection method comprises the following steps: calculating an inductance value of an excitation inductor of the induction circuit according to an electrical parameter of the receiving terminal circuitand an electrical parameter of the transmitting terminal circuit; and calculating the distance between the transmitting coil and the receiving coil according to the inductance value of the exciting inductor of the induction circuit. According to the distance detection method and system of the wireless power transmission device, the distance between the transmitting coil and the receiving coil is calculated by adopting a method of detecting the electrical parameters of the circuit module, so that the distance detection is not influenced by obstacles, and the design of the circuit module and thecoils is more flexible.

The invention relates to the related field of inductors, and discloses a chip inductor automatic welding device which comprises a main box body, a welding cavity with a downward opening is formed in the main box body, a discharging cavity is formed in the upper end wall of the welding cavity in a communicating mode, an inductor cavity with an upward opening is formed in the rear end wall of the discharging cavity in a communicating mode, a push block cavity is formed in the rear end wall of the inductor cavity in a communicating mode, and a push block is connected in the push block cavity in asliding fit way. By automatically smearing and heating soldering paste, then moving a chip inductor to the soldering tin and completing inductor welding after cooling for a certain period of time, automatic welding of the chip inductor is achieved, the workload of operators is reduced, the welding efficiency is improved, meanwhile, the welding position of the inductor can be guaranteed. Moreover,soldering paste can be painted on a welding base in a targeted mode through a welding base distance sensing mechanism, the situation that redundant soldering paste affects installation of other components is effectively prevented, and the soldering paste is saved.

The invention discloses an encrypted logistics box with an automatic identification chip, including a logistics box body, an RFID tag is provided on the back of the logistics box body, and an isolation plate is movably connected to the inner wall of the logistics box body through a chute and a slider , the surface of the logistics box is provided with movable holes that are compatible with the isolation plate, and the end of the isolation plate away from the logistics box extends to the outside of the logistics box and is fixedly connected with a fixed plate; the present invention uses the handle plate and Logistics boxes, so that when it is necessary to load larger goods, a new logistics box can be taken again and the internal isolation board can be taken out, and the handle plate on one of the logistics boxes can be inserted into the other. Inside the slot on the bottom surface of a logistics box, finally tighten the fixing screws, and then multiple logistics boxes can be assembled together to ensure that a sufficient volume of logistics boxes can be assembled to achieve the ability to change the volume of the logistics box and facilitate the normal operation of the goods. transport effect.

The invention discloses a coupling filter material replacement biological filter which structurally comprises a filter cartridge, a base and a connector, the bottom of the filter cartridge is fixedlyembedded in the upper surface of the base, and the bottom of the connector is connected to the top of the filter cartridge in a welded mode. Sewage flows from top to bottom under action of gravity sothat the sewage and impurities in the sewage flow into an isolation block through a filter screen to isolate the impurities in a storage cavity, a rotating roller rotates under the impact of water flow, and meanwhile, a sliding rod penetrates through a through hole to extrude a spring, so that the rotating roller vibrates back and forth to prevent the impurities from flowing out, the sewage is conveniently filtered, and under the effects of supporting of the supporting blocks and outward pushing of the moving rods and the sliding blocks by the supporting springs, the rubber blocks are tightlyattached to the inner walls of the inserting holes, so that the inner walls of the inserting holes are conveniently cleaned, and impurities are prevented from entering the inner walls of the insertingholes to influence the installation of the filter elements.

The invention discloses an axial force measuring bolt structure and a measuring method, and belongs to the technical field of mechanical parts. The axial force measuring bolt structure comprises: a bolt body, wherein the bolt body comprises a bolt head and a bolt bar, and the bolt rod is vertically connected to the bolt head; and a strain measuring piece mounted on the bolt bar and used for beingconnected with a strain acquisition device and transmitting a strain signal generated by the strain acquisition device under the changed axial force of the bolt bar to the strain acquisition device, wherein the bolt bar is subjected to strain in the axial direction under the action of changed axial force, the strain measurement part and the bolt rod are subjected to the same changed axial force, the strain measurement part is subjected to strain to generate a strain signal, and the strain measuring piece transmits the generated strain signal to the strain acquisition device. According to the axial force measuring bolt structure, the axial force borne by the bolt body can be measured, and the safety of fixed connection of the bolt body and the separation structure is improved.

The invention discloses a drilling device for a square hole, and relates to the technical field of drilling equipment for square holes. The drilling device is mainly used for solving the problems thatan existing square hole is mainly excavated by manpower, and the efficiency is low. The drilling device mainly structurally comprises a soil drilling mechanism and a soil taking mechanism, wherein the soil drilling mechanism comprises a vertically-arranged main drilling shaft and a hole expanding crawler belt which is arranged around the lower part of the main drilling shaft in a square shape; and the lower end of the main drilling shaft is connected with a drill bit, and a plurality of hole expanding teeth are arranged on the edge of the lower part of the hole expanding crawler belt. The drilling device for the square hole is ingenious in structure, the square hole can be automatically drilled, manual hole digging is not needed, and the hole digging efficiency is improved.