3433 results about "Threaded pipe" patented technology

The utility model relates to the technical field of precise driving and positioning, and discloses a linear motor type electric screw which comprises a screw rod, a shell, a driving mechanism, a mechanism seat and a threaded pipe. The driving mechanism is arranged in a cavity defined by the shell and the mechanism base. The driving mechanism comprises a flexible hinge, piezoelectric ceramics and a pre-tightening spring. The flexible hinge comprises a first clamping jaw and a second clamping jaw. And the first clamping jaw and the second clamping jaw provide rotating force for the screw rod under the action of the piezoelectric ceramics. And the pre-tightening springs are used for applying pre-tightening force between the first clamping jaw and the screw rod and between the second clamping jaw and the screw rod. The threaded pipe is used for supporting the threaded rod and being connected with an external mechanism. According to the utility model, the piezoelectric ceramic is adopted for driving and the flexible hinge is combined, so that precise linear motion control is realized, and the touch-free adjusting device has the characteristics of high resolution, high precision and compact structure, and realizes touch-free adjustment of the optical adjusting bracket which is difficult to touch. A plurality of linear motor type electric screws are combined for use, so that two-dimensional or three-dimensional motion control can be realized.

The invention belongs to the technical field of threaded pipe machining, and particularly relates to an intelligent control method, device and equipment for self-adaptive force control of a grinding device and a medium. Comprising the following steps that real-time data of a polishing device in the polishing process are collected; real-time data in the polishing process are analyzed, and control data of preset polishing force Fd are obtained; based on the control data of the preset polishing force, the polishing device is controlled in real time to reach the preset polishing force; by acquiring the polishing force data in real time and analyzing and acquiring the control data of the preset polishing force, the polishing quality of the pipeline is accurately controlled, so that the actual polishing force quickly and accurately approaches the preset polishing force, and the polishing effect on the threaded pipe is optimized.

The invention discloses a threading pipe sealing air pressure detection device, and belongs to the technical field of threading pipe production. A threading pipe sealing air pressure detection device comprises an operation table, first rectangular sliding grooves are formed in the surfaces of the two sides of the upper end of the operation table, a moving assembly is connected into an inner cavity of each first rectangular sliding groove, and one end of each moving assembly is connected with an air pressure pump; the frame body connecting assembly adopts a double annular groove structure composed of a first annular connecting block and a second annular connecting block, the inner diameter and the outer diameter of the frame body connecting assembly are precisely matched with the end of the threading pipe, the arc-shaped guiding design is matched, the butt joint sealing performance is guaranteed, the pipe body is prevented from being scratched, and through the linkage feedback design of the air pressure jacking assembly and the polishing assembly, the polishing efficiency is improved. The air pressure in the pipe pushes the sealing block to ascend and descend, so that the sealing performance is judged, and compared with manual observation of a pressure gauge, tiny leakage points of the threading pipe can be accurately recognized, missing detection and false detection are avoided, and the detection precision is further improved.

The utility model relates to the technical field of filter elements, and discloses a detachable filter element for spraying, which comprises a filter cover and a folding filter element, the folding filter element is arranged in the filter cover, the top end of the folding filter element and the top end of the filter cover are respectively provided with a threaded pipe and a sealing threaded cover, the sealing threaded cover is in threaded connection with the threaded pipe, and the folding filter element is arranged in the filter cover. A sewage discharging assembly is arranged at the bottom end of the filtering cover, an output pipe is fixedly connected to the surface of the filtering cover, and a lead screw is installed at the top of the filtering cover through a supporting assembly; the filter has the beneficial effects that the filter cover can be used for loading the folding filter element and supporting the bottom end of the folding filter element, the folding filter element can be quickly disassembled and assembled by screwing the sealing threaded cover and fixedly connecting the folding filter element with the sealing threaded cover, and the folding filter element can be quickly disassembled and assembled by rotating the screw rod and driving the threaded sleeve to move. And the limiting block can be pushed to the top end of the sealing threaded cover, the sealing threaded cover is clamped, and the sealing threaded cover can be reinforced.

The invention relates to the technical field of laser measuring instruments, and discloses a device for measuring roadway roof separation by laser, which comprises a roadway roof, a laser probe, a first threaded pipe, a second threaded pipe and a mounting mechanism, and is characterized in that the laser probe is mounted on the first threaded pipe and is connected with a cable; the mounting mechanism is used for mounting the second threaded pipe on the first threaded pipe; the mounting mechanism comprises a base arranged on the roadway top plate, a rotating mechanism and a lifting mechanism are arranged on the base, and the lifting mechanism is used for feeding the laser probe, the first threaded pipe and the second threaded pipe into drill holes formed in the roadway top plate. The device for laser measurement of roadway roof separation overcomes the defects that in the prior art, equipment is large in occupied area and depends on the stability of a bottom plate, and the measurement precision is prone to being interfered, and the roof separation measurement device is more efficient, more accurate and more suitable for the underground complex environment.

The utility model discloses a hydraulic lifting ridge crossing device of a rice transplanter, and relates to the technical field of rice transplanters. The device comprises a rack, one side of the rack is fixedly connected with an adjusting mechanism, the other side of the rack is fixedly connected with a shell, an inner cavity of the shell is slidably connected with a sliding rod, one side of the sliding rod extends out of the shell, and one side of the adjusting mechanism and one side of the sliding rod are both fixedly connected with a lifting mechanism. The adjusting mechanism comprises a first mounting frame, and one side of the first mounting frame is fixedly connected with the rack. The motor is started through an external controller, the motor drives the threaded rod to rotate, the threaded rod drives the threaded pipe to move, the threaded pipe can drive the connecting frame to horizontally move under the limiting action of the sliding block and the sliding groove, and the position of the lifting mechanism can be adjusted according to the ridge width by adjusting the length of the connecting frame; therefore, the purpose of convenient operation is achieved, and the trafficability of the rice transplanter during ridge moving is improved.

The utility model belongs to the field of wastewater treatment, in particular relates to multi-effect evaporative crystallization wastewater treatment and recovery equipment, and provides the following scheme aiming at the problems that the contact time with steam is difficult to adjust according to wastewater with different concentrations and the concentration process of the wastewater is inconvenient to manage more effectively in the multi-effect evaporative crystallization wastewater treatment and recovery equipment in the prior art. The device comprises a plurality of evaporators, each evaporator comprises a tank body, a liquid inlet end and an air inlet end are arranged on one side of the outer wall of each tank body, a liquid conveying end is arranged at the bottom end of each tank body, and an air outlet end is arranged on the other side of the outer wall of each tank body; the multiple sets of threaded pipes are used for prolonging the contact time of the wastewater and steam, water is gradually evaporated to form steam, solute is gradually concentrated, the steam and the concentrated wastewater enter the next evaporator, harmful substances in the wastewater are effectively separated out in the evaporation and crystallization process, and pollution to the environment is reduced.

The utility model relates to the field of sewage sampling, and discloses a sewage detection stratified sampling device, which comprises three sampling buckets, a support column and a sliding rod, the sampling buckets are internally provided with mounting cavities, the middle part of the support column is provided with a sliding chute, and the sliding rod slides in the sliding chute. The lower ends of the supporting columns penetrate through the sampling barrel and extend out of the sampling barrel, a plurality of sliding cavities are formed in the two sides, close to the sampling barrel, of the middle of the outer wall of a supporting column rod body, and connecting rods are fixedly connected to the two sides, close to the sampling barrel, of the middle of the outer wall of a sliding rod body. According to the stratified sampling device, when the stratified sampling device is used for sampling sewage, the stratified sampling device is in threaded connection with the filter screen on the outer wall of the threaded pipe, water plants, floating objects or other garbage in a sampling water area can be effectively prevented from blocking the water taking hole, the sampling process is ensured to be smoothly carried out, and in addition, the threaded connection mode is convenient to mount and dismount and simple and convenient to operate. And when the filter screen needs to be replaced or equipment needs to be maintained, a worker can quickly finish operation, so that the maintenance cost is reduced.

The utility model relates to the technical field of injection molding machine nozzles, in particular to an injection molding machine nozzle with an anti-blocking function. An injection molding machine nozzle with an anti-blocking function comprises a T-shaped pipe, a hollow threaded pipe and the like, the bottom of the T-shaped pipe is fixedly connected with the hollow threaded pipe, and the front side of the upper portion of the T-shaped pipe is fixedly connected with a conical nozzle. The T-shaped pipe is provided with an unblocking assembly used for being inserted into the solidified injection molding raw materials and heating and melting the solidified injection molding raw materials, and the unblocking assembly is provided with an auxiliary assembly. By starting the motor a and the motor b, the motor a pushes the electric heating bar to move forwards through the lead screw, the motor b drives the drill bit to rotate synchronously through the rotating shaft to drill solidified injection molding raw materials, the electric heating bar can be inserted conveniently, and after the electric heating bar is in place, the electric heating bar and the T-shaped electric heating sleeve are started to heat the solidified injection molding raw materials internally and externally at the same time to melt the solidified injection molding raw materials rapidly. The nozzle is effectively prevented from being blocked due to solidification of injection molding raw materials, and smooth injection molding operation is guaranteed.

The utility model provides a plate vacuum adsorption tool, and relates to the technical field of plate machining tools. The main body piece comprises a bottom plate and a side vertical plate, the side vertical plate is fixedly and vertically connected to the top face of the bottom plate, and a sliding way is welded to the inner end face of the side vertical plate; a threaded sleeve is clamped in the slide way in a sliding manner; the threaded sleeve is composed of a fixed-axis threaded pipe and a movable threaded pipe, the two ends of the threaded sleeve are connected with connecting plates through bolts, the interior of the fixed-axis threaded pipe is connected with the movable threaded pipe in a threaded meshing mode, and the upper side and the lower side of the movable threaded pipe and the inner wall of the sliding way are fixedly connected with guide plates. A fixed shaft threaded pipe is rotated to drive a movable threaded pipe to move, a telescopic rod is synchronously driven to change the length, a side vertical plate is driven to move through a connecting plate, then the position of a threaded sleeve in the front-back direction is moved, and the tool is suitable for machining of plates of different sizes.

The invention relates to the technical field of building construction, in particular to a building construction spraying device which comprises a base, a hollow runner plate and a movable frame, a water tank is fixedly mounted at the upper end of the base, and a limiting pipe is mounted in the middle of an inner cavity of the water tank in an inserted mode and penetrates through the upper end of the water tank; two symmetrical lug plates are fixedly installed on the two sides of the upper end of the hollow runner plate and communicate with an inner cavity of the hollow runner plate, a rotating block is rotationally installed between every two adjacent lug plates, a spray head is fixedly installed at the outer end of each rotating block, and the two ends of each rotating block communicate with inner cavities of the lug plates. By arranging the limiting pipe, the threaded pipe, the first rotating sleeve, the second rotating sleeve and other structures, the water tank and the rotating block can communicate with each other, a flow guide pipe and other structures do not need to be arranged on the periphery of the device, and normal circulation of water is always guaranteed in the process that the rotating block is driven to move up and down through threaded connection between the threaded pipe and the threaded ring.

The utility model discloses a pallet flattening detection structure, which comprises a base, the top of the base is fixedly connected with a detection frame, the base is provided with a rotating mechanism, the top of the detection frame is provided with a first mounting hole, the top of the detection frame is provided with a detection mechanism, the side wall of the detection frame is fixedly connected with a connecting block, and the connecting block is provided with a second mounting hole. A guide cylinder is fixedly connected to the tail end of the connecting block, a guide block is inserted into the guide cylinder, a protruding block and a wheel frame are fixedly connected to the top end and the bottom end of the guide block correspondingly, a flattening wheel is installed in the wheel frame, threaded pipes are fixedly connected to the four corners of the top of the base correspondingly, and leveling assemblies are installed in the threaded pipes. According to the utility model, the flatness of each position on the surface of the tray can be detected, the position of the detection mechanism or the tray does not need to be manually moved, the detection structure can be leveled to ensure that the detection structure is horizontally placed, and related detection parts are detachable, so that regular maintenance and replacement are facilitated.

The utility model discloses an overhead ground installation structure which comprises a foundation bolt and a bearing plate, the foundation bolt comprises an outer connecting rod, an inner connecting rod and a rubber mat, the outer connecting rod comprises an outer bottom plate and an outer threaded pipe, the outer threaded pipe is provided with an outer thread, and the bearing plate is evenly provided with through holes matched with the outer threaded pipe. The external thread is fixed in the through hole through external thread self-tapping, the bottom end of the through hole in the bearing plate is further provided with a containing cavity matched with the outer bottom plate, internal threads are arranged on the inner side of the external thread pipe and the inner side of the outer bottom plate, the inner connecting rod comprises an inner bottom plate and an internal thread pipe, and the internal thread pipe is provided with external threads matched with the internal threads of the external thread pipe. The outer connecting rod of the foundation bolt is embedded into the bearing plate in a self-tapping mode, then the inner connecting rod is connected through threads, the bearing plate and the foundation bolt are fixed together, the position of the foundation bolt is fixed, the construction process is convenient, the construction period is shortened, and the bearing plate can be arranged closer to the ground.

The invention discloses a method for processing a steel roller with a polymer coating, which relates to the technical field of intelligent manufacturing and comprises the following steps of: sequentially loading a corresponding number of steel rollers to be processed into a die barrel on a base body, resetting and fixing an end cover on a base, rotating a top cylinder, and primarily finely adjusting and fixing the positions of the steel rollers to be processed; according to the invention, heat dissipated by the raw material slurry is taken as an original energy source, rapid cooling and shaping of the raw material slurry are promoted, static cooling is changed into dynamic cooling, the heat dissipation balance of the raw material slurry is improved, and the heat dissipation efficiency of the raw material slurry is improved. Static injection molding is changed into dynamic injection molding, the eccentricity rate after raw material forming is reduced, raw material slurry is more sufficiently and stably filled into a gap between a mold cylinder and a to-be-machined steel roller, the forming effect of a high-molecular coating is improved, and the adhesive force between the high-molecular coating and the to-be-machined steel roller is enhanced.

The utility model discloses a raw material proportioning device for resin tungsten processing, which comprises a mounting plate, limiting rods penetrate through and are slidably connected to four corners in the mounting plate, the limiting rods are fixedly connected to four corners of the bottom wall of a batching box respectively, springs are fixedly connected to the outer sides of the limiting rods on the bottom wall of the batching box, and collecting hoppers are arranged on the inner sides of the batching box. Discharging openings are formed in the middle of the bottom wall of the collecting hopper and the middle of the bottom wall of the batching box, discharging hoppers are fixedly connected to the bottoms of the peripheries of the discharging openings, discharging pipes are fixedly connected to the bottom ends of the discharging hoppers, and discharging valves are arranged on the tops of the peripheries of the discharging pipes. According to the raw material proportioning device for resin tungsten processing, a threaded pipe is rotated, a U-shaped block moves up and down in the rotating process of the threaded pipe, and the distance between the top end of the U-shaped block and a feeding switch and the distance between the top end of the U-shaped block and a discharging switch are adjusted, so that the compression height of a spring can be controlled, then the raw material proportioning weight is controlled, and the practicability of the automatic proportioning device is improved.

The invention discloses a welding equipment positioning device for mechanical part machining, and relates to the technical field of machining. The device comprises a case, and a control panel is arranged on the front face of the case; a clamping mechanism is arranged in an inner cavity of the machine box and comprises a fixing ring fixedly connected to the inner cavity of the machine box, a through groove formed in the surface of the fixing ring and a threaded pipe arranged in an inner cavity of the through groove. Single motor driving is adopted to be matched with the self-adaptive switching mechanism, intelligent power distribution is achieved through magnetic ring repulsive force and gear clutch, the economic cost of a multi-motor system is remarkably reduced, the self-adaptive switching mechanism (a cam, a sliding block and a driving rod are linked) enables the clamping plate to be separated from a transmission chain in real time according to the outline of a part, and the clamping efficiency is improved. The device can adapt to irregular surfaces without a sensor, damage to the sensor caused by a high-temperature environment during operation of welding equipment is avoided, and the use reliability and long-term precision stability of the device under complex working conditions are improved.

The utility model discloses a geotechnical engineering investigation sampling device, which relates to the field of geotechnical survey and comprises a fixed plate, a fixed rod is arranged at the top of the fixed plate, a movable plate is movably mounted outside the fixed rod, a sleeve is arranged at the top of the movable plate, and a sampling pipe is movably mounted at the bottom of the movable plate. A driving assembly is arranged at the top of the movable plate, the output end of the driving assembly is connected with a connecting rod, a heavy hammer is movably installed outside the sleeve, and a metal rod is arranged on the side face of the heavy hammer. Through the sleeve, the lead screw and the inner threaded pipe, when the inner threaded pipe rotates, the lead screw is driven to ascend, the protruding block at the end of the lead screw is limited by the inner protruding ring in the sleeve, then the lead screw drives the sleeve to ascend, the sleeve ascends to drive the sampling pipe to ascend, the sampling pipe can be pulled out from the interior of rock soil, and time and labor are saved.

The utility model discloses water and soil conservation monitoring equipment in the field of water and soil monitoring, which comprises a main rod, a measuring rod and a rainwater cylinder, the measuring rod is slidably connected to the inner bottom of the main rod, the rainwater cylinder is fixedly connected to the top end of the main rod, the outer side wall of the main rod is connected with a reinforcing mechanism, and the outer side wall of the main rod is connected with the rainwater cylinder. The bottom of the outer side wall of the main rod is fixedly connected with a threaded pipe, the outer side of the threaded pipe is sleeved with a mounting block, and the middles of the four walls of the outer side of the mounting block are fixedly connected with a connecting base. According to the water and soil conservation monitoring equipment, by rotating a rotary knob, the rotary knob descends on the outer side of the threaded pipe, so that the mounting block is driven to descend, and the connecting base descends; and then the conical tip is inserted into the ground, so that the angle of the reinforcing rod is conveniently adjusted according to the terrain, the reinforcing rod supports the device, the device is prevented from inclining, the device is stably supported, and the monitoring result is prevented from being influenced.

The utility model relates to the technical field of precision optical devices, and discloses a piezoelectric adjusting frame which comprises a fixed plate, a movable plate, an elastic connecting assembly and a piezoelectric screw. And the movable plate corresponds to the fixed plate. The two ends of the elastic connecting assembly are connected with the fixed plate and the movable plate correspondingly. The piezoelectric screw comprises a threaded pipe and a screw rod. A first through hole is formed in the fixing plate. The threaded pipe penetrates through the first through hole and is fixed to the fixing plate. The screw abuts against the movable plate and is used for pushing the movable plate to be close to or away from the fixed plate. The moving plate comprises an X-axis moving plate and a Y-axis moving plate which are adjacent to each other. The three piezoelectric screws are used for pushing the movable plate to achieve X-axis deflection, Y-axis deflection and Z-axis linear motion. According to the utility model, the deflection angle and the linear movement range are larger, the positioning is more accurate, and the response is quicker. The X axis and the Y axis have the same deflection axis, and coupling between the axes is small. The overall structure is compact, control is easy, and the service life is long.

The utility model discloses a concrete sampling shovel which comprises a shovel frame, one side of the shovel frame is through, the other side of the shovel frame is closed, a shovel plate is fixedly arranged on one side of the shovel frame, a shovel rod mechanism is fixedly arranged on the outer wall of the other side of the shovel frame, the length of the shovel rod mechanism can be adjusted, and a discharging hole is formed in the bottom in the shovel frame. An external threaded pipe is fixedly arranged at the outer bottom of the shovel frame and communicated with the discharging hole, a sampling box is detachably installed at the bottom of the external threaded pipe and comprises a cylindrical box body, an internal threaded neck is fixedly arranged at the top of the box body, and the external threaded pipe is sleeved with the internal threaded neck in a threaded mode; the utility model solves the problems that in the existing concrete test block construction method, concrete is shoveled out by using a shovel, then is loaded into a sampling box, and then the sampling box is sent to a detection mechanism for detection, so that the process of loading the concrete in the shovel into the sampling box is time-consuming, and meanwhile, when the concrete is loaded into the sampling box, the time is wasted. And the concrete is easy to scatter on the ground.

The embodiment of the invention relates to the technical field of machine manufacturing, and discloses a drill rod machining method and device. A specific implementation mode of the method comprises the following steps: forging two ends of a cold-drawn steel pipe to obtain a forged pipe; the forged pipe is annealed at the temperature of 650-720 DEG C, heat preservation is conducted for 2.5-3.5 hours, and an annealed pipe is obtained; the annealed pipe is straightened in multiple directions, and a straightened pipe with the straightness per meter smaller than or equal to 0.5 mm is obtained; the straightened pipe is subjected to local quenching, the pipe subjected to local quenching is obtained, the surface hardness of a quenching area is 23-28 HRC, and the thickness of a hardened layer is 6.5 + / -0.3 mm; male threads and female threads are machined at the two ends of the pipe after local quenching, the surface hardness ranges from 47 HRC to 55 HRC, the surface hardness ranges from 30 HRC to 38 HRC, the depth of a hardened layer ranges from 1.5 + / -0.1 mm, the depth of a hardened layer is not smaller than 2 mm, the pipe with the threads is obtained and verified, and the pipe passing verification is determined to be a drill rod finished product. According to the implementation mode, the threads are directly machined at the two ends of the drill rod, the connecting strength of the rod body and the threaded end of the drill rod is improved, and the technical problem that the connecting strength of the rod body and the threaded end is poor is solved.

The invention relates to the technical field of sediment treatment, and discloses a pile foundation slurry retaining wall sediment treatment device which comprises a thread adjusting type flushing mechanism and a screw type solid-liquid separation mechanism. A solid substance storage shell which is fixedly mounted at the top of the threaded pipeline and can store solid waste is arranged in the threaded pipeline; the hollow rotating shaft is mounted in the threaded pipeline and the solid substance storage shell in a rotatable manner; and the upper spiral blade and the lower spiral blade rotate along with the hollow rotating shaft and can enable a medium around the hollow rotating shaft to generate an upward flowing effect. According to the mud retaining wall sediment treatment device for the pile foundation, vertical impact treatment can be conducted on sediment, so that the sediment can rapidly move to the position near the spiral blade, the sediment collecting capacity is improved, in addition, the sludge and sediment waste collected subsequently can be collected in a separated mode, and the separating and collecting capacity of the device is improved.

A tubular coupling (1) including a first tubular part (2) and a second tubular part (3), each tubular part (2, 3) having a thread (8) and a sealing surface (9, 7, 13, 15), the thread (8, 14) having a varying thread width, the threads (8, 14) interlocking in an assembled state of the tubular coupling (1), the sealing surfaces (7, 9, 13, 15) in sealing contact in the assembled state of the tubular coupling (1), the tubular coupling (1) having a reference mark (26) having an optimum relative position between the tubular parts (2, 3), the optimum relative position corresponding to a nominal optimum relative position with a correction applied, the correction being a function of a characteristic of one of the first tubular part (2) and the second tubular part (3) on which the reference mark is provided, and a target torque of the tubular coupling (1).

The invention discloses a sampling device for traffic geology surveying and mapping exploration, and relates to the field of geological prospecting, the sampling device comprises a U-shaped moving plate and a sampling pipe, the sampling pipe is located above a U-shaped groove of the U-shaped moving plate, a drill bit is installed at the bottom end of the sampling pipe, a sleeve is arranged in the sampling pipe, two annular blocks are fixed on the inner wall of the sleeve, a vertical rod is arranged in the sleeve, and the vertical rod is connected with the drill bit. A threaded pipe is arranged on the upper surface of the drill bit, a movable cavity is formed in the pipe wall of the threaded pipe, a movable plate is slidably installed in the movable cavity, the bottom end of the movable plate penetrates out of the movable cavity to be fixedly connected with the top end of the drill bit, internal threads are arranged on the inner wall of the bottom end of the sampling pipe, and external threads of the threaded pipe are connected with the internal threads in a meshed mode; according to the rotary drilling device, the drill bit can form continuous and stable impact crushing action, drilling resistance caused by hard rock strata and special geological structures is effectively broken through, and propelling difficulty caused by pure rotary drilling is avoided.

The invention discloses a data acquisition device for slope monitoring, and relates to the technical field of slope monitoring. The device comprises a supporting rod, wherein a limiting ring is fixed on the outer ring of the supporting rod; the outer side of the supporting rod is sleeved with a first clamping hoop, and the first clamping hoop is fixedly provided with a second clamping hoop through a bolt. The first hoop and the second hoop are positioned above the limiting ring; a supporting frame is fixed to one side of the first clamp, and a limiting rod is fixed to one side of the supporting frame. A first motor is fixed to one side of the supporting frame. A first threaded rod is fixed to an output shaft of the first motor. Limiting grooves are formed in the surfaces of the limiting rods, and first threaded pipes are in threaded connection with the outer rings of the first threaded rods. Through the effect of the installer and the design that the solar panel is convenient to disassemble, maintenance personnel can quickly disassemble the solar panel from the movable plate for maintenance and replacement without complex tools and tedious processes when finding problems, so that the equipment maintenance time is greatly shortened, the workload is reduced, and continuous and stable operation of the monitoring device is ensured.

A wheel component with a fixing ring for attaching a brake disk to a hub shell of a bicycle hub, and with a securing unit for securing the fixing ring, wherein the ring includes a radially-extending fixing unit, and a threaded axially-extending tube unit, to screw the thread of the threaded tube unit on the hub shell, and to attach the brake disk to a hub. The fixing unit includes at least one axial through hole which is configured such that the through hole is at least in partial axial alignment with an axial cavity in the brake disk in the mounted state of the fixing ring, so that the securing arm of the securing unit is insertable into the cavity of the brake disk through the through hole in the fixing unit, so that the securing arm locks the fixing ring to prevent inadvertent detachment of the fixing ring.

The automatic screw machining production equipment comprises a main support, a screw conveyor is arranged on one side of the main support, a bearing seat is fixedly connected to the inner wall of the bottom end of the main support, a supporting rod is rotatably connected to the interior of the bearing seat, and a lead screw is fixedly connected to the supporting rod; the other end of the supporting rod is rotationally connected to the inner wall of one side of the main support, one end of the supporting rod is fixedly connected with a first motor, the periphery of the lead screw is movably meshed with an inner threaded pipe, the outer wall of the inner threaded pipe is movably sleeved with an outer lantern ring, the periphery of the outer lantern ring is fixedly connected with two knife rests, and each knife rest is provided with a blade. A second support is fixedly connected to one end of the inner threaded pipe, a limiting mechanism is arranged on the second support, and a plurality of clamping teeth are arranged on the outer wall of the circumference of the outer lantern ring at equal intervals.

The invention relates to the technical field of automobile production, in particular to a casting island for intelligent manufacturing of automobile engine accessories, which comprises a die casting machine and a die assembly fixed on the inner side of the die casting machine, two side partition plates are in transmission connection with the inner side of the die assembly, and a top partition plate and a bottom partition plate are respectively arranged at the tops and the bottoms of the side partition plates. Spraying parts are arranged on the inner sides of the two side partition plates, an air storage tank and a material tank are arranged on the tops of the spraying parts, one sides of the side partition plates are in transmission connection with a mixing part, and the top of the die-casting machine is connected with a heat preservation part. The heat preservation part comprises a threaded pipe fixed to the inner side of the air storage tank and an oil tank fixed to the outer side of the material tank, and the heat preservation part conducts heating and heat preservation on the compressed air and the release agent by guiding cooling liquid of the cooling mold assembly to flow in the threaded pipe and the inner side of the oil tank in the spiral direction; and the mixing part is used for disturbing the release agent to prevent the release agent from precipitating by utilizing an anti-precipitation plate rotationally connected to the interior of the material tank in the process of matching with the side partition plate closing mold assembly.

The invention relates to the technical field of reinforcing steel bar mechanical connection equipment, and discloses a handheld threaded sleeve electric wrench device which comprises a power main body, a clamping mechanism and a fixing mechanism, a mounting space is arranged outside the power main body, and the clamping mechanism is mounted on the outer wall of the power main body. The fixing mechanism is fixedly installed on the outer wall of the clamping mechanism, when the device is started and a half gear rotates, the power body can drive the half gear to rotate, suddenly-increased torque can be offset by the clamping assembly slidably connected to the sliding rod, and when the device is used, a second ejector rod is aligned with the outer wall of a reinforcing steel bar to forcibly extrude and fix the reinforcing steel bar; when the upper end fixing assembly is driven by the power main body to rotate, the threaded pipe rotates at the thread of the reinforcing steel bar, large reaction torque force can be generated, at the moment, due to the fact that the bottom of the equipment body is clamped on the reinforcing steel bar, torque force generated by the upper end rotating assembly can be counteracted on the clamping assembly at the bottom of the equipment, and hand slipping caused by too large torque is avoided.