93results about How to "To achieve a stable limit" patented technology

The invention relates to the technical field of pipe installation, and discloses an adaptive supporting device for the installation of a building pipe. The adaptive supporting device comprises a base,a thread cylinder is rotatably connected with the center of the upper end of the base through a ball bearing, a driven oblique gear is fixedly connected with the outer wall of the lower end of the thread cylinder in a sleeving mode, a bearing seat is further fixedly connected with the upper end of the base, and a rotating rod is rotatably connected within the bearing seat through a ball bearing;and a driving oblique gear meshed with the driven oblique gear is fixedly connected with one end of the rotating rod, a deflecting rod is fixedly connected with the other end of the rotating rod, a pedal plate is rotatably connected with the side wall of the end, away from the rotating rod, of the defelcting rod, a lifting screw rod is connected with the inner thread of the thread cylinder, and alifting plate is fixedly connected with the upper end of the lifting screw rod. The adaptive supporting device can be suitable for the supporting of the pipes of different sizes, the adjustment of theheight of the device can be quickly and conveniently achieved without the electricity, and the use is facilitated.

The invention relates to the technical field of pigment preparation, and discloses separation equipment for iron trioxide pigment preparation. The separation equipment for iron trioxide pigment preparation comprises a workbench, wherein support legs are fixedly connected to the four corners of the bottom of the workbench separately; a support block is fixedly connected to the left side of the upper end of the workbench; a separation frame is rotationally connected to the upper end of the support block; a plurality of sieving holes are uniformly formed in the surface of the separation frame; aplurality of return springs are fixedly connected between the lower end of the right side of the separation frame and the upper end of the workbench; a double-axis motor is further fixedly connected to the right side of the upper end of the workbench; a rotary rod is fixedly connected to output shafts at the two ends of the double-axis motor separately; and a cam is fixedly connected to one end away from the double-axis motor, of the rotary rod. The separation equipment for iron trioxide pigment preparation has the advantages of being capable of realizing rapid material separation, and convenient to prepare and use.

The invention relates to the technical field of non-woven fabric production, and discloses a forming device for non-woven fabric production and processing. The forming device comprises a bottom plate,wherein the upper end of the bottom plate is fixedly connected with a fixing seat, a first U-shaped supporting plate and a second U-shaped supporting plate in sequence, a wind-up roller is rotatablyconnected in the fixing seat through a rotating shaft, one end of the rotating shaft penetrates out of the fixing seat and is fixedly connected with a driven gear, the outer wall of the fixing seat isfixedly connected with a winding motor, and an output shaft of the winding motor is fixedly connected with a driving gear engaged with the driven gear. The forming device for the non-woven fabric production and processing has the advantages that the forming device can be quickly adjusted according to the forming thickness of non-woven fabric and is convenient to adjust and use.

The invention relates to the technical field of vegetable and fruit plantation, and discloses an extending-retracting protection cover used for vegetable and fruit plantation. The protection cover comprises a first cover shell and a second cover shell, wherein the left end and the right end of the first cover shell are both of an opening structure, and the left end and the right end of the secondcover shell are both of the opening structure; the lower end of the first cover shell and the lower end of the second cover are hinged; the upper end of the first cover shell and the upper end of thesecond cover shell are fixedly clamped through a clamping mechanism; the opposite sides of the first cover shell and the second cover shell are independently provided with a semicircular notch; the reverse sides of the first cover shell and the second cover shell are independently provided with a slot; an extending cover is movably inserted into each slot; the first cover shell and the extending cover as well as the second cover shell and the extending cover are independently fixedly clamped through a positioning mechanism; the upper end of the first cover shell and the upper end of the secondcover shell are independently fixedly connected with a suspension rod; the upper end of each suspension rod is fixedly connected with a lower semi-circular-ring plate; and an upper semi-circular-ringplate is hinged to the rear side of the upper end of each lower semi-circular-ring plate. The extending-retracting protection cover used for the vegetable and fruit plantation has the advantages thatvegetables and fruits can be effectively protected.

The invention discloses a portable charging pile detection device with high universality. The portable charging pile detection device comprises a machine body, a DC detection base, an AC detection base and a display unit, wherein a control unit is further arranged in the machine body; the control unit comprises an AC charging pile detection unit and a DC charging pile detection unit; the sides, close to the machine body, of the DC detection base and the AC detection base are fixedly connected with a connecting frame of a rectangular structure; the machine body is connected with the side wallsof the connecting frame by means of clamping mechanisms; the upper end of the machine body is fixedly connected with two fixing blocks which are symmetrically arranged; a wire storage box is connectedbetween the two fixing blocks in a clamped mode; two L-shaped winding rods are symmetrically and fixedly connected to the inner walls of the wire storage box; wedge-shaped blocks are fixedly connected to the two opposite outer walls of the wire storage box; and dovetail grooves matched with the wedge-shaped blocks and allowing the wedge-shaped blocks to be inserted therein are formed in the sidewalls of the fixing blocks. The portable charging pile detection device has the advantages that the DC detection base and the AC detection base can be quickly disassembled and assembled, the operationis simple and convenient, and the use is convenient.

The invention relates to the technical field of bulletin boards and discloses a bulletin board convenient to adjust. The bulletin board comprises two stand columns, grooves are formed in the oppositesides of the two stand columns. The inner walls of the upper and lower opposite sides of the grooves are rotationally connected with the same rotating screw rod through ball bearings; the same displayboard is arranged between the two stand columns. The left side and the right side, opposite to each other, of the display board are fixedly connected with two lifting screw cylinders which are in threaded sleeving connection with the exterior of the rotating screw rod in an up-down symmetrical mode, the same steel pipe is fixedly connected between the inner walls of the opposite sides, close to the lower ends, of the two stand columns, the rod wall of the rotating screw rod is in threaded connection with a first driven bevel gear located at the joint of the stand columns and the steel pipe, the inner wall of the steel pipe is fixedly connected with a plurality of bearing pedestals, and two rotating rods are symmetrically and rotationally sleeved with the bearing pedestals through ball bearings. Propaganda paper can be conveniently pasted, and the display board can be conveniently and quickly moved.

The invention relates to the technical field of mechanical accessories, and discloses an industrial Internet platform testing tool for a machinery accessory industry, comprising a cabinet. A pluralityof bearing plates are clamped to the inner side wall of the cabinet, two test tool bodies are symmetrically and fixedly clamped to the upper ends of the bearing plates, and placing grooves for placing the test tool bodies are formed in the upper ends of the bearing plates. Two clamping plates are fixedly connected to the lower end of the bearing plate in a bilateral symmetry mode, a double-shaftmotor is fixedly arranged in the middle of the lower end of the bearing plate, and two-way screws are fixedly connected to output shafts at the left end and the right end of the double-shaft motor correspondingly. And the rod wall of the bidirectional screw rod is symmetrically sleeved with two L-shaped clamping plates in a threaded mode. The industrial Internet platform testing tool for the machinery accessory industry has the advantages that the electrical plug can be stably limited, and the stability of the connection structure of the electrical plug is improved.

The invention relates to the technical field of manipulators, and discloses a side-hung three-axis manipulator. The side-hung three-axis manipulator comprises a hollow base, wherein the bottom of thehollow base is provided with an opening, the center of the upper end of the hollow base is fixedly connected with a rotating motor, an output shaft at the upper end of the rotating motor is fixedly connected with a rotating plate, the upper end of the rotating plate is fixedly connected with a fixing box, the upper end of the fixing box is symmetrically and rotatably sleeved with two adjusting screws, the upper end rod walls of the two adjusting screws are in threaded connection with the same lifting seat, the lower ends of the adjusting screws penetrate into the fixing box and are fixedly connected with first driven bevel gears, and the inner wall of the top of the fixing box is fixedly connected with a double-shaft motor. The side-hung three-axis manipulator has the advantages that the relative position and the height of the manipulator can be rapidly adjusted, and rapid adjustment and use are convenient.

The invention relates to the technical field of vehicle-mounted displays and discloses a novel vehicle-mounted display screen component capable of being manually or electrically turned over. The novelvehicle-mounted display screen component capable of being manually or electrically turned over comprises a compartment top plate; a fixing block is fixedly connected to the lower end of the compartment top plate; a vehicle-mounted display is connected to the lower end of the fixing block through a hinge; a first U-shaped clamping plate is fixedly connected to the side wall of one end, far away from the fixing block, of the vehicle-mounted display; a connecting rod is rotationally connected between the side walls of opposite sides of the first U-shaped clamping plate through a rotating shaft;two clamping plates are also symmetrically and fixedly connected to the lower end of the compartment top plate; a same screw rod is rotationally connected between one opposite sides of the two clamping plates through a ball bearing; and a threaded ring is connected to the wall of the screw rod through threads. The novel vehicle-mounted display screen component capable of being manually or electrically turned over has the advantage that the vehicle-mounted display is controlled to turn over through electric and manual operations

The invention relates to the technical field of flexible circuit board detection. The invention further discloses a flexible circuit board rapid detection device for research and development of precision mechanical and electrical products. The device comprises a bottom plate, and two vertical rods are fixedly connected to the left side and the right side of the upper end of the bottom plate in a bilateral symmetry mode. The upper ends of the vertical rods are fixedly connected with fixed plates; and the opposite sides of the two fixed plates are rotationally connected with clamping mechanismsthrough rotating shafts correspondingly. And the two clamping mechanisms are fixedly connected through two symmetrically-arranged connecting rods, a supporting rod is further fixedly connected to thecenter of the upper end of the bottom plate, a transverse plate is rotatably connected to the upper end of the supporting rod through a ball bearing, and a detection probe is fixedly connected to thelower end of the transverse plate through a reciprocating driving mechanism. According to the invention, turn-over detection of the flexible circuit board can be realized, uninterrupted detection anduse of the flexible circuit board can be realized, and the detection efficiency is improved.

The invention relates to the technical field of research and development of precision mechanical and electrical products, and discloses a flexible circuit board quick detection device applied to research and development of the precision mechanical and electrical products. The flexible circuit board quick detection device comprises a base plate; two vertical plates are symmetrically fixedly connected with the left and right sides of the upper end of the base plate, a fixing plate is rotationally connected with opposite sides, close to the upper ends, of the two vertical plates via rotation shafts, a driving motor is fixedly connected with the outer wall of the vertical plate on the right side, the output shaft of the driving motor penetrates through the side wall of the vertical plate and is fixedly connected with one end of the rotation shaft, clamping mechanisms are fixedly connected with upper and lower ends of the fixing plate in a lateral symmetrical manner, two support rods symmetrically arranged on the left and right are fixedly connected with the upper end of the base plate, and the upper ends of the two support rods are fixedly connected with a same detection plate. According to the detection device provided by the invention, the flexile circuit board can be quickly and conveniently detected, and the .detection device is convenient to use.

The invention relates to the technical field of automobile detection, and discloses an automobile condition detecting system. The automobile condition detecting system comprises a box body, wherein anupper end of the box body is of an open structure, the opening is in hinge connection with a switch cover, the inner side wall of the box body is fixedly connected with the same placement frame by means of a plurality of buffer springs, a detector body is placed in the placement frame, a fixing groove is formed in one side, close to the box body, of the switch cover, a dehumidification frame is clamped in the fixing groove, the dehumidification frame is filled with a moisture absorbing material, cylindrical grooves are formed in side walls corresponding to four corners of the dehumidificationframe, a thrust spring is arranged in each cylindrical groove, one end of each thrust spring is fixedly connected with the inner wall of the corresponding cylindrical groove, the other end of each thrust spring is fixedly connected with a limiting rod, and limiting grooves corresponding to the limiting rods are formed in the inner side wall of the switch cover. The automobile condition detectingsystem has the advantage of good protection performance.

The invention relates to the technical field of windscreen wipers, and discloses an automobile side glass windscreen wiper. The automobile side glass windscreen wiper includes a rotating plate fixedlyconnected to a windscreen wiper drive mechanism, the lower end of the rotating plate is fixedly connected with a fixed shell with the opened lower end, the inner wall of the right side, near the upper end, of the fixed shell is fixedly connected with a drive motor, an output shaft of the left end of the drive motor is fixedly connected with a rotating rod, the left end of the rotating rod is rotatably connected to the inner wall of the fixed shell through a ball bearing, the inner wall of the fixed shell is fixedly connected with a fixing plate located on the lower side of the rotating rod, two through holes are symmetrically formed in the surface of the fixing plate, the through holes are internally and rotatably connected with screws through the ball bearing, driven helical gears are fixedly connected to the upper ends of the screws, two driving helical gears engaged with the driven helical gears fixedly sleeve the rod wall of the rotating rod, and lifting screw barrels are connected to the lower ends of the screws in a threaded mode. According to the automobile side glass windscreen wiper, side glass of an automobile can be accurately cleared according to the requirements, anduse is convenient.

The invention relates to the technical field of building monitoring, and discloses a real-time monitoring and safety early warning system suitable for a building structure, and the system comprises a plurality of monitoring sensors, a camera, a central processing unit and an alarm, the output ends of the plurality of monitoring sensors and the camera are electrically connected with the input end of the central processing unit, and the output end of the central processing unit is electrically connected with the input end of the alarm. The real-time monitoring and safety early warning system suitable for the building structure has the advantages that real-time monitoring and early warning can be carried out on related quality parameters of the building structure, and the quality safety of the building structure is guaranteed.

The invention relates to the technical field of outdoor jackets. The invention discloses a man jacket with better air permeability. The man jacket comprises a garment body, wherein a windproof cap isintegrally connected to the garment body; and two air inlets are symmetrically formed in the position, corresponding to the chest, of the garment body. A first elastic supporting body of an annular structure is connected to the position, corresponding to the air inlet, of the garment body in a sewn mode. The inner side wall of the first elastic supporting body is connected with first breathable mesh cloth in a sewing mode. First windproof heat preservation shielding cloth connected to the outside of the first breathable mesh cloth in a covering mode is connected to the outside of the garment body in a sewing mode, a first hook-and-loop fastener round hair layer is connected to the surface of the first windproof heat preservation shielding cloth in a sewing mode, and a first hook-and-loop fastener sharp hair layer bonded with the first hook-and-loop fastener round hair layer is connected to the outside of the garment body in a sewing mode. The man jacket with better air permeability hasthe advantages that air flow enters from the air inlet and then is discharged from the air outlet to form through air flow, so that the air permeability of the man jacket is better.

The invention relates to the technical field of pump protection valves and discloses an automatic recirculation low-pressure pump protection valve. The automatic recirculation low-pressure pump protection valve comprises a valve seat, a valve cover and a bypass pipe, wherein the lower end of the valve seat, the upper end of the valve cover and one end, away from the valve seat, of the bypass pipeare fixedly connected with a first flange, a second flange and a third flange respectively; the valve cover is fixedly connected with the upper end of the valve seat; the upper end of the valve seat is fixedly connected with a first connecting plate; the lower end of the valve cover is fixedly connected with a second connecting plate corresponding to the first connecting plate; a plurality of U-shaped fixing plates are uniformly clamped with the exteriors of the first connecting plate and the second connecting plate; and clamping grooves clamped with the U-shaped fixing plates are formed in opposite sides of the first connecting plate and the second connecting plate. The automatic recirculation low-pressure pump protection valve has the advantages that the valve seat and the valve cover are rapidly assembled and disassembled, the valve seat and the bypass pipe are rapidly assembled and disassembled, and the automatic recirculation low-pressure pump protection valve is convenient to maintain and use.

The invention relates to the technical field of electronic component mainboard manufacturing, and discloses grinding equipment for electronic component mainboard manufacturing. The grinding equipment comprises a bottom plate, wherein a U-shaped fixing plate is fixedly connected to the upper end of the bottom plate, a through hole is formed in the horizontal part of the U-shaped fixing plate, a supporting column rotatably sleeves the through hole through a ball bearing, and a supporting plate is fixedly connected to the upper end of the supporting column; the column wall of the lower end of the supporting column is fixedly sleeved with a driven gear, a rotating motor is fixedly arranged at the upper end of the bottom plate, an output shaft of the upper end of the rotating motor is fixedly connected with a driving gear meshed with the driven gear, a placing plate is fixedly clamped to the upper end of the supporting plate, and a placing groove is formed in the upper end of the placing plate; and the upper end of the bottom plate is further fixedly connected with an L-shaped vertical plate located at one side of the supporting plate. The grinding equipment for electronic component mainboard manufacturing has the advantages that automatic, efficient and rapid grinding operation can be achieved, and the grinding efficiency is improved.

The invention discloses an electrical engineering cable protection device, and mainly relates to the technical field of electrical engineering. The device comprises an upper U-shaped frame, an upper clamping block being arranged in the upper U-shaped frame, upper springs being arranged at the top of the upper clamping block and the left end and the right end of the upper clamping block, a plurality of upper semicircular clamping grooves being formed in the bottom of the upper clamping block, and upper clamping blocks being arranged at the left end and the right end of the upper U-shaped frame; a lower clamping block, arranged in the lower U-shaped frame, lower springs being arranged at the bottom of the lower clamping block and the left end and the right end of the lower clamping block, a plurality of lower semicircular clamping grooves being formed in the top of the lower clamping block, and lower clamping blocks being arranged at the left end and the right end of the lower U-shaped frame; and a connecting block, an upper clamping groove being formed in the upper portion of the side wall of the connecting block, and a lower clamping groove being formed in the lower portion of the side wall of the connecting block. According to the invention, the cable can be effectively buffered and protected, can be quickly disassembled and assembled, can be divided into a plurality of components, and is convenient to transport, carry and use.

The invention relates to the technical field of clean keeping equipment, and discloses a movable clean keeping device for municipal roads. The movable clean keeping device includes a box body, the inner side of the box body is sequentially provided with an ash collecting chamber, a water storage chamber and a placing chamber, a fixed plate is fixedly connected to the outer wall of the left side ofthe box body, the lower end of the fixed plate is fixedly connected to one same fixed box through two symmetrically-arranged electric push rods, and the inner walls of the upper and lower opposite sides in the fixed box are rotationally connected with a plurality of gears meshed with each other front and rear through rotating shafts. The lower ends of the rotating shafts penetrate and extend outof the lower end of the fixed box and are fixedly connected with a broom head, the upper end of the fixed box is fixedly connected with a driving motor, an output shaft of the driving motor is fixedlyconnected with the upper end of one of the rotating shafts, and the outer wall of the fixed box is fixedly connected with a suction hood through a connecting rod of an L-shaped structure. The movableclean keeping device for the municipal roads has the advantages that flying dust during cleaning can fall, the problem that raise dust flies and influences the body health of a worker is solved, thecleaning efficiency is improved, and use is facilitated.

The invention relates to the technical field of water reducer production equipment, and discloses polycarboxylate water reducer production equipment with a water recycling function. The polycarboxylate water reducer production equipment comprises a water collecting box, the upper end of the water collecting box is of an opening structure, a top plate is fixedly connected to an opening in a clampedmode, pressure plates are hinged to the two sides of the upper end of the water collecting box correspondingly, the lower ends of the pressure plates are fixedly connected with positioning blocks, positioning grooves connected with the positioning blocks in a clamped mode are formed in the upper end of the top plate, the upper end of the water collecting box is further fixedly connected with twoclamping plates which are arranged in a front-back symmetrical mode with respect to the pressure plates, and the clamping plates and the pressure plates are connected in a clamped mode through clamping mechanisms. The polycarboxylate water reducer production equipment with the water recycling function has the advantages that the cooling temperature-decreasing quality and efficiency of a water reducer are ensured, and using is convenient.

The invention relates to the technical field of heat recovery refrigerating systems, and discloses a heat recovery refrigerating system of an air-cooled heat pump unit. The heat recovery refrigeratingsystem comprises a base, a U-shaped supporting plate is fixedly connected to the upper end of the base, and two rotating screws are symmetrically and rotationally connected to the upper end of the base and the lower end of the top of the U-shaped supporting plate through ball bearings. The upper ends of the rotating screws penetrate through the upper end of the U-shaped supporting plate and are fixedly connected with driven bevel gears, a double-shaft motor is fixedly arranged at the upper end of the U-shaped supporting plate, output shafts at the two ends of the double-shaft motor are fixedly connected with rotating rods, and the ends, away from the double-shaft motor, of the rotating rods are fixedly connected with driving bevel gears meshing with the driven bevel gears; and the same lifting plate rod sleeves the rod walls of the two rotating screws, and a heat recovery refrigerating cabinet is fixedly arranged at the upper end of the lifting plate. The heat recovery refrigerating system of the air-cooled heat pump unit has the advantages that the good damping and buffering effects can be achieved on the whole device, and the service life of the heat recovery refrigerating cabinet is guaranteed.

The invention relates to the technical field of slag pot gratings, and discloses a metallurgical slag pot grating convenient to disassemble and assemble. The metallurgical slag pot grating comprises aslag pot, a plurality of transverse grating plates and a plurality of longitudinal grating plates, the transverse grating plates and the longitudinal grating plates are arranged in the slag pot, themultiple transverse grating plates and the multiple longitudinal grating plates are clamped together, a plurality of upper clamping grooves are uniformly formed in the upper ends of the transverse grating plates, a plurality of lower clamping grooves are formed in the lower ends of the longitudinal grating plates, the transverse grating plates and the longitudinal grating plates are mutually clamped together through matching of the upper clamping grooves and the lower clamping grooves, clamping blocks are fixedly connected to the two ends of the transverse grating plates and the two ends of the longitudinal grating plates, and a plurality of clamping notches correspondingly clamped with the clamping blocks are formed in the upper end of the slag tank; and a plurality of L-shaped crimping plates are symmetrically and rotatably connected to the outer wall of the upper end of the slag tank, and horizontal parts of the L-shaped crimping plates are crimped at the upper ends of the clampingblocks. The metallurgical slag pot grating convenient to disassemble and assemble has the advantages that the grating can be rapidly assembled, so that the assembly structure of the grating is stable,and the use is convenient.