35results about How to "Save assembly and disassembly time" patented technology

The invention relates to a portable paraboloid antenna, comprising a paraboloid reflector spliced rapidly of soft steel ropes, an azimuth / pitching angle adjustment mechanism having arm spindle, able to be rapidly drawn or spread and making screwed finite adjustment, and a crossed adjustable seat frame supporting structure, where the top of the back of the paraboloid reflector is fixed with a fixed seat, there are three stand bars in the proper positions on the seat, the three stand bars are rotatably connected on one side of the azimuth / pitching angle adjustment mechanism; the azimuth / pitching angle adjustment mechanism is fixed on the top end of the seat frame supporting structure; the seat frame supporting structure stands on the ground or corresponding platform. The invention has the characters of simple structure, light weight, good maneuverability, etc, suitable to be used by small group taking part in the field work or on occasion of needing to often move.

The present invention provides an electronic device, including a housing and a camera module device. An opening is formed in a sidewall of the housing, and a sliding frame of the sliding device is corresponding to the opening. The sliding device includes a bracket in the housing, a screw mechanism in a middle portion of the bracket, a driving member received at one end of the bracket, and a sliding frame slidably connected to the other end of the bracket. The camera module is disposed on the sliding frame, the screw mechanism includes a screw rod rotatably connected to the bracket, and a nut is sleeved on the screw rod, the nut is connected to the sliding frame, and the driving member drives the screw rod to rotate, to drive the nut to slide along the screw rod, so that the sliding frame slides to drive the camera module to extend from or retract into the opening of the housing. The present invention further provides a sliding device and a camera module device equipped with the slidingdevice.

The invention discloses a fast installing mechanism and an installing method for a military liquid crystal display. The fast installing mechanism for the military liquid crystal display is characterized in that through an elastic mechanism and a lever principle, certain backward pulling force is generated on the military liquid crystal display, so that the military liquid crystal display is pressed on an installing frame, the assembly is realized through the pressure, the tool-free fast installation of the military liquid crystal display is realized, and meanwhile, the problem of mounting and dismounting complexity of the military liquid crystal display installed by using a tool can be solved. In addition, the fast installing mechanism for the military liquid crystal display has the advantages that the installation is reliable, the pulling force is adjustable, the application occasions of the fast installing mechanism are wide, the operation is simple, the mounting and dismounting time can be greatly shortened, and the maintainability is improved.

The invention discloses a large earthed concrete tank dome steel support structure, comprising an all-round scaffold, a latticed column foundation, a standard segment jig, a support frame center disc,trusses and I-beams; the latticed column foundation is arranged in the center of a tank chamber; a plurality of latticed columns are fixedly connected to the latticed column foundation to form the standard segment jig; the support frame center disc is fixed to the uppermost latticed column; in construction of a last standard segment of a tank wall, embedded parts are necessarily embedded to weldsteel brackets; after the tank wall is cast and a formwork is removed, the steel brackets can be welded to embedded plates; one end of each truss is fixed to the corresponding bracket part on the tankwall of a concrete tank, and the other end of each truss is fixed to the support frame center disc; the I-beams and wooden pads are laid on the upper portions of the trusses. The invention also discloses a mounting method of the large earthed concrete tank dome steel support structure. The large earthed concrete tank dome steel support structure has high bearing capacity and good structural system stability, poor forming quality of a dome due to foundation settlement is avoided, a jig system has large space for operation and good operational safety, and operations can be better ensured for workers.

The invention discloses an impurity filtering device with an automatic back wash function and a filtering method. The filtering device comprises a shell and a control system, the shell is provided with a water inlet and a water outlet, the shell is internally provided with a mounting cylinder, the mounting cylinder is provided with a plurality pf holes, the water inlet is arranged in the upper endof the shell, the water outlet is arranged in a shell (1), the water outlet is connected with a three-way valve, one end of the three-way valve is connected with a water storage tank, the other end is connected with a clear water source, a filtering mesh bag is sleeved in the mounting cylinder, a support frame is sleeved in the filtering mesh bag, the support frame is used for supporting and laminating the filtering mesh bag in the mounting cylinder, the shell is provided with a pressure detection component, the pressure detection component is used for detecting a hydraulic pressure value ofan area in a chamber between the water inlet and the filtering mesh bag, and the control system is used for connecting the pressure detection component with the three-way valve. By using the device, when the permeability of the filtering mesh bag is reduced, clear water is used for back wash of the filtering mesh bag, the filtering mesh bag does not need to be taken out, the filtering device is cleaned alone, the disassembly and assembly time is saved, and the automatic blockage removal cleaning of the filtering device is realized.

The invention discloses a convenient ground wire operation platform. The convenient ground wire operation platform comprises a ground wire device and an automatic adjusting mechanism used for controlling the ground wire device, wherein the automatic adjusting mechanism comprises a platform bottom plate, a vertical plate, a horizontal telescoping cylinder arranged on the vertical plate, a horizontal sideslip plate fixedly connected with the horizontal telescoping cylinder, a vertical telescoping cylinder fixedly mounted on the horizontal sideslip plate, a top cap arranged at a top portion of the vertical telescoping cylinder, a mounting through hole arranged on the horizontal sideslip plate, a first fixed pulley fixedly connected with one side portion of the vertical plate, a second fixed pulley fixedly connected with the other side portion of the vertical plate, and a road wheel. The convenient ground wire operation platform is advantaged in that intelligent mechanism operation of wiring is realized, the convenient ground wire operation platform is flexible to move, is reliable to use, is safe and convenient and is applied to 220KV stations and other ground wire occasions having dismantling difficulties, so dismounting and mounting muscle power of an operator is substantially reduced, the safety coefficient is enhanced, and dismounting and mounting difficulty is reduced; the dismounting and mounting time of the ground wire is reduced by two thirds, cost is low, and long-term use can be realized after one-time investment.

The invention discloses an advertisement display support frame assembly. The advertisement display support frame assembly comprises a base, two side vertical pipes, an upper transverse pipe and a lower transverse pipe. The two side vertical pipes are roughly arranged on the base along the vertical direction in an extending manner. Lower ends of the two side vertical pipes are respectively equippedwith insert grooves. The upper transverse pipes roughly extend along the horizontal direction. Two ends of the upper transverse pipe are connected with upper ends of the two side vertical pipes. Lower ends of the lower transverse pipe are respectively equipped with insert joints matching the insert grooves. The axial length of the lower transverse pipe is less than or equal to the spacing distance between lower ends of the two side vertical pipes. The distance between two opposite ends of the two insert joints is larger than that between the spacing distance between lower ends of the two sidevertical pipes. At least one insert joint is telescopic along the axial direction in order to match the insert grooves. According to the embodiment of the advertisement display support frame assembly, the advertisement display support frame assembly has features of reliable connection, higher stability and convenient detachment. During detachment, no specialized installation and detachment tool is required. The installation and detachment processes are simplified while installation and detachment time can be greatly saved. User experience is good.

Belonging to the manufacturing field of water treatment equipment, the invention relates to a hollow fiber ultrafiltration membrane assembly external port structure. The hollow fiber ultrafiltration membrane assembly external port structure comprises a hollow fiber ultrafiltration membrane assembly and an external port part. The external port part consists of a port, a port connector and a detachable fastener. Compared with prior art, a detachable interface is adopted at the interface part. Compared with the past port sealing joint, installation and disassembly of an external water pipe and the hollow fiber ultrafiltration membrane assembly can be made substantially convenient and rapid. And the external port structure can be disassembled repeatedly, thus saving installation and disassembly time.

The invention relates to a supporting structure used for an engineering building. The supporting structure comprises a supporting platform and space supporting bodies arranged on the supporting platform. Each space supporting body comprises a plurality of supporting units are overlaid in the vertical direction or / and the horizontal direction and a plurality of connecting pieces used for connecting the adjacent supporting units. The supporting units are provided with passing notches. The passing notches of the adjacent supporting units communicate to form passing channels. The space supporting bodies and the supporting platform are detachably connected. The multiple space supporting bodies are built on the supporting platform according to the appearance of a building structure, the adjacent space supporting bodies are fixed through connecting pieces to form a stable integral supporting structure, and thus the bearing requirement during building construction is guaranteed. The supporting structure is adjustable in gravity line and force bearing point, can be moved and reused and further has the characteristics that the mounting and detaching time, the construction cost and technical difficulty are reduced, and the working efficiency is improved.

The invention discloses an adjustable prefabricated bare concrete production die which comprises a fixed bottom die, an adjustable bottom die, a walking side die, a lower turning rib outer side die, an L-shaped end die, a flat plate side die, a lower turning rib inner side die, a lower turning rib end die and a hanging bracket. The adjustable bottom die is connected with the fixed bottom die; thewalking side die can move on the fixed bottom die along the longitudinal direction and is connected with the adjustable bottom die and the hanging bracket through fixed pieces; the lower turning rib outer side die is arranged on the walking side die and is connected with the walking side die through a fixed piece; and the L-shaped end die is located between the fixed bottom die and the walking side die, is placed on the fixed bottom die and the adjustable bottom die, and is connected with the fixed bottom die and the walking side die through fixed pieces. The adjustable prefabricated bare concrete production die provided by the invention has the characteristics of high production precision, high turnover rate, and high output die adjustability and universality.

The invention provides a modular water-jet propulsion steering and backward navigation mechanism, and relates to the technical field of ship propulsion. The mechanism comprises a steering and backwardnavigation mechanism bracket for fixing a water-jet propulsion steering and backward navigation mechanism; a rudder which is connected with the steering and backward navigation mechanism bracket through a first pin shaft and is used for moving left and right around the first pin shaft under the driving of a steering oil cylinder arranged in the rudder, so that the jet water flow is reversely folded towards the side to realize steering; a reversing vehicle door which is connected with the rudder through a second pin shaft and used for achieving the ahead function in the open state and enablingthe jet water flow to be reversely folded towards the ship bottom in the closed state so as to achieve backward navigation; and an auxiliary rudder plate which is installed on the rudder through a fastener and used for rotating along with the rudder so as to improve the rudder effect. Through modularization of the water jet propulsion steering and backward navigation mechanism, the specificationnumber of the mechanism is reduced, the design and machining cost is reduced, and the machining period is shortened; the assembling and disassembling difficulty is effectively reduced; the processingdifficulty and the rejection rate of the guide vane body are reduced; and product reliability is improved.

The invention provides an electronic device, which includes a flexible screen and a casing, the flexible screen is arranged on the casing, the casing includes a first frame body, a second frame body and a rotating device, and the rotating device is connected to the first frame body and the second frame body Between the two frames, the rotating device is used for bending or flattening the first frame and the second frame. The rotating device includes at least one pair of rotating combinations and a gear combination located between the at least one pair of rotating groups. Each rotation The combination includes a support frame and a turret rotatably connected to the support frame. The turret is provided with a driving gear meshed with the gear combination. The turret rotates relative to the corresponding support frame to drive the corresponding drive gear to rotate. The drive gear drives the gear Combined rotation realizes the synchronous rotation of a pair of rotating combined turrets. The invention also provides a rotating device and a casing provided with the rotating device.

The invention discloses a sprocket, which is characterized in that: the sprocket is a split structure and consists of at least two chain blocks. The chain wheel disclosed by the invention has a simple structure, is easy to process and produce, is easy to assemble and disassemble, and is convenient to maintain.

The invention discloses a fast high-precision locating unit. The fast high-precision locating unit comprises a central spindle, a protecting jacket, a pan head screw and a plurality of steel balls with the same diameter. A step is arranged in the middle of the central spindle and divides the central spindle into an upper locating section and a lower locating section. The step is provided with a countersunk head screw hole. The inner surface of the protecting jacket is provided with an annular groove in the circumferential direction. The width D3 of the annular groove is slightly greater than the diameter D1 of each steel ball. A plurality of through holes are formed in the bottom of the annular groove. The diameter D4 of each through hole is slightly smaller than the diameter D1 of the corresponding steel ball. The upper locating section of the central spindle is sleeved with the protecting jacket. The steel balls are arranged in the space formed by the central spindle and the annular groove. The steel balls are in one-to-one correspondence with the through holes. Besides, part of each steel ball is exposed out of the protecting jacket from the corresponding through hole. The fast high-precision locating unit is low in cost and can be used for fast and precise locating.

The invention provides an automatic screw mounting and dismounting machine for a CNC clamp. The automatic screw mounting and dismounting machine for the CNC clamp comprises a cabinet and a supporting frame fixed to the cabinet. A screw mounting and dismounting mechanism is mounted on the supporting frame. A clamp positioning structure is arranged on the upper end face of the cabinet. The screw mounting and dismounting mechanism comprises a vertical lifting assembly and a rotary mounting and dismounting assembly, and the vertical lifting assembly drives the rotary mounting and dismounting assembly to move up and down relative to the supporting frame in the vertical direction. An electric screwdriver is mounted below the rotary mounting and dismounting assembly. A screwdriver head is detachably mounted at the front end of the electric screwdriver. When a screw is mounted or dismounted, the CNC clamp is placed on the clamp positioning structure, the screw is dismounted firstly through the screw mounting and dismounting mechanism, and then dismounting of a product can be completed; and the screw is automatically screwed again after a product is mounted again. By adoption of the automatic screw mounting and dismounting machine for the CNC clamp, complex manual work of screw mounting and dismounting of the CNC clamp is replaced, the screw mounting and dismounting time can be greatly shortened, the screw mounting and dismounting efficiency is improved, the labor intensity of operators is relieved, and the production cost is reduced.

The invention relates to a novel insulation and decoration integrated board. The insulation wall board is arranged on an external wall of a house, and is characterized by comprising a decorative panel, an insulation layer and a calcium silicate substrate, wherein the calcium silicate substrate is connected with the external wall of the house through a connecting piece. By arranging a first bendingedge and a second bending edge at the edge of the decorative panel, and forming a concave structure and a convex structure at the first bending edge and the second bending edge respectively, the adjacent decorative panels are buckled without adding structures of locking bolts and locking pieces, and the assembly and disassembly time of the insulation wall boards is shortened. Besides, the insulation wall boards can be connected and assembled in the vertical direction, and by arranging a joint strip at the connecting position of the insulation wall boards, the connecting appearance of the insulation wall boards is ensured.

The invention relates to an overhead power line power fitting manufacturing strength detection device and method. The device comprises a base, a fixed clamping mechanism and a tensile test mechanism; the left side of the upper end of the base is provided with the fixed clamping mechanism; and the right side of the upper end of the base is provided with the tensile test mechanism. According to the invention, a tensile test is carried out on the U-shaped hanging ring in a rapid clamping manner, so that the assembling and disassembling time of the U-shaped hanging ring is greatly reduced in the testing process of the U-shaped hanging ring, and the problem that the assembling and disassembling of the U-shaped hanging ring in the prior art still consumes a large amount of time, so that the testing efficiency of the U-shaped hanging ring is influenced is solved; and by simulating the stress state possibly occurring under the actual use condition, the strength of the U-shaped hanging ring is further tested, so that the problem that when the two sides of the U-shaped hanging ring are subjected to tensile force, the strength of the cambered surface of the U-shaped hanging ring is reduced, but the stress mode possibly existing in the implementation and use process is ignored is solved.

The invention discloses a wind power hoisting tower crane convenient to transfer, and belongs to the technical field of hoisting machines. The tower crane comprises truss-type underframes, a self-rising jacking system, a bearing, a crane platform, a folded type gin pole, a boom, a rigid derricking stay cable system and tower crane accessories, wherein the truss-type underframes, the self-rising jacking system, the bearing and the crane platform are connected head to tail in sequence from top to bottom; the folded type gin pole is seated at the middle rear part of the crane platform; the boom is hinged with the front upper portion of the crane platform in an overhung manner and shares the same vertical plane with the folded type gin pole; and the rigid derricking stay cable system is arranged right above the boom and the two ends of the rigid derricking stay cable system are correspondingly connected with the head part of the boom and the folded type gin pole. According to the wind power hoisting tower crane convenient to transfer, by employing functional modular design and manufacturing, the structure of the tower crane is greatly optimized; and the tower crane has the advantages of having high lifting height, being convenient to transfer, convenient to remove and splice, convenient to transport, optimized in structure, reasonably stressed, reliable in quality, stable in performance, convenient to maintain, light in dead weight, economic and practical and having low demands on the bearing capacity of a foundation.

The invention discloses a tank clearing device, which includes a central support, a water pipe, a water pipe feeding device, and an end clamping device, and is characterized in that it also includes a first-stage rotating arm, a second-stage rotating arm, a supporting drive device, and a driving device; One end of the primary boom is hinged to the central support, and the other end is hinged to the secondary boom; the supporting drive device is fixed at the end of the primary boom for supporting and driving the first boom Rotation; the driving device is arranged on the hinge shaft of the primary and secondary rotary arms, and is used to drive the secondary rotary arm to rotate; the secondary rotary arm is fixed with a water pipe feeding device and a terminal locking device It is fixed at the end of the secondary rotating arm, and the water pipe runs through the end clamping device. The invention utilizes the layout characteristics of the two-stage pivoting arms, adopts a modular design, has a simple structure, and is convenient to assemble and disassemble.

The invention relates to a spirally-guided detachable spool fastening a cone sleeve. The detachable spool comprises an upper spoke, a lower spoke, a movable supporting assembly, a trapezoidal screw rod, a trapezoidal nut, a positioning-guiding pin, an outer cone sleeve, a fastening screw, an end cover, a bearing A, a guiding-positioning rod, a guiding hole and a bearing B, wherein the fastening screw and the guiding-positioning rod are arranged on the upper spoke; the end cover, the bearing A, the trapezoidal nut, the outer cone sleeve and the bearing B are sequentially arranged in the movable supporting assembly, and the positioning-guiding pin is arranged below the fastening screw; the guiding-positioning rod is matched with a guide hole, and the trapezoidal screw rod is arranged on the lower spoke. The detachable spool has the beneficial effects that as the threads are subjected to action of an axial outer expansive force after being assembled, the trapezoidal threads are utilized to guarantee the structural strength; the mounting and dismounting structures of the spool are compact, and the operation is rapid and simple; the workload is reduced, and the working efficiency is increased; the mounting time and the dismounting time of the detachable spool are shortened from 5-10 minutes to 1-2 minutes each time; the working efficiency is greatly increased, and the labor intensity is greatly reduced.

The invention relates to a double-ended threaded fastener, a method for manufacturing the same and a special tool, which belong to the technical field of hardware tools and overcome the defects of low efficiency of mounting and demounting, short service life and high use and maintenance cost in the prior art. The double-ended threaded fastener refers to a bolt and a nut, and is characterized by comprising a fastener main body provided with a threaded part, wherein the threaded part has a double-line thread structure, two threads are evenly distributed alternating with each other, and the thread diameter and the thread distance are same. The manufacturing method comprises the following steps: (I) manufacturing a core rod; (II) manufacturing a screw plate; (III) manufacturing a screw tap; and (IV) producing the double-ended threaded fastener on a machine tool for making the fastener by using the screw plate and the screw tap. The double-ended threaded fastener produced by a novel manufacturing method has a double-line thread structure, thus the mounting and demounting time is reduced, the strength is increased, the working efficiency is improved, the service life is prolonged, and the cost is greatly saved.

The invention discloses a fast high-precision locating unit. The fast high-precision locating unit comprises a central spindle, a protecting jacket, a pan head screw and a plurality of steel balls with the same diameter. A step is arranged in the middle of the central spindle and divides the central spindle into an upper locating section and a lower locating section. The step is provided with a countersunk head screw hole. The inner surface of the protecting jacket is provided with an annular groove in the circumferential direction. The width D3 of the annular groove is slightly greater than the diameter D1 of each steel ball. A plurality of through holes are formed in the bottom of the annular groove. The diameter D4 of each through hole is slightly smaller than the diameter D1 of the corresponding steel ball. The upper locating section of the central spindle is sleeved with the protecting jacket. The steel balls are arranged in the space formed by the central spindle and the annular groove. The steel balls are in one-to-one correspondence with the through holes. Besides, part of each steel ball is exposed out of the protecting jacket from the corresponding through hole. The fast high-precision locating unit is low in cost and can be used for fast and precise locating.

The invention provides a formwork assembly, a prefabricated column mold and prefabricated column production equipment. The template assembly comprises a template body, the lock catch comprises a base and a buckle, the base is arranged on the template surface of the template body, and the buckle is rotationally connected with the base; the lockset is arranged on the template body, and the lockset comprises two first clamping grooves; the buckles are suitable for being connected with the first clamping grooves of the corresponding locks in a clamped mode so that the at least two template bodies can be locked. According to the template assembly, the prefabricated column mold and the prefabricated column production equipment, the lock catches are arranged on the template body to be clamped with the locks in a matched mode so as to lock the mold body, the assembling and disassembling time for installing a plurality of template assemblies in a combined mode can be shortened, time and labor are saved, the number of template holes is reduced, and the manufacturing precision and the cost can be reduced.

The invention discloses a hydraulic lifting trolley for loading, unloading and transporting rolling mill bearings. The hydraulic lifting trolley comprises a trolley frame, the trolley frame is of a frame structure, a vertically-arranged hydraulic oil cylinder is installed at the rear end of the trolley frame, and the hydraulic oil cylinder is vertically upward; the top end of a piston rod is connected with a bearing supporting rod through a connecting piece, and the bearing supporting rod faces the front end of the trolley frame and is used for being arranged in a bearing inner ring in a penetrating mode; the front end of the bearing supporting rod protrudes upwards to form a limiting protruding edge, and the limiting protruding edge is used for clamping a bearing arranged on the bearing supporting rod in a sleeving mode so as to prevent the bearing from slipping; and wheels are arranged at the bottom of the trolley frame; by changing the loading and unloading mode and the conveying mode of the bearing, the labor intensity is reduced, the assembling and disassembling time is saved, and the safety risk existing in the assembling, disassembling and conveying process is reduced.

The invention discloses a fast installing mechanism and an installing method for a military liquid crystal display. The fast installing mechanism for the military liquid crystal display is characterized in that through an elastic mechanism and a lever principle, certain backward pulling force is generated on the military liquid crystal display, so that the military liquid crystal display is pressed on an installing frame, the assembly is realized through the pressure, the tool-free fast installation of the military liquid crystal display is realized, and meanwhile, the problem of mounting and dismounting complexity of the military liquid crystal display installed by using a tool can be solved. In addition, the fast installing mechanism for the military liquid crystal display has the advantages that the installation is reliable, the pulling force is adjustable, the application occasions of the fast installing mechanism are wide, the operation is simple, the mounting and dismounting time can be greatly shortened, and the maintainability is improved.

The invention discloses a convenient ground wire operation platform. The convenient ground wire operation platform comprises a ground wire device and an automatic adjusting mechanism used for controlling the ground wire device, wherein the automatic adjusting mechanism comprises a platform bottom plate, a vertical plate, a horizontal telescoping cylinder arranged on the vertical plate, a horizontal sideslip plate fixedly connected with the horizontal telescoping cylinder, a vertical telescoping cylinder fixedly mounted on the horizontal sideslip plate, a top cap arranged at a top portion of the vertical telescoping cylinder, a mounting through hole arranged on the horizontal sideslip plate, a first fixed pulley fixedly connected with one side portion of the vertical plate, a second fixed pulley fixedly connected with the other side portion of the vertical plate, and a road wheel. The convenient ground wire operation platform is advantaged in that intelligent mechanism operation of wiring is realized, the convenient ground wire operation platform is flexible to move, is reliable to use, is safe and convenient and is applied to 220KV stations and other ground wire occasions having dismantling difficulties, so dismounting and mounting muscle power of an operator is substantially reduced, the safety coefficient is enhanced, and dismounting and mounting difficulty is reduced; the dismounting and mounting time of the ground wire is reduced by two thirds, cost is low, and long-term use can be realized after one-time investment.

The invention discloses a 10kV line grounding wire hitching detection device and method. The 10kV line grounding wire hitching detection device comprises a detection device and a display control system, the detection device comprises a current and voltage detection unit, a positioning system and a grounding wire buckle control device. The display control system comprises a display module and a ground wire buckle control unit button; the grounding wire buckle control unit button is connected with the grounding wire buckle control unit and is used for controlling hitching and dismounting of the grounding wire buckle and the exposed part of the circuit; the current and voltage detection unit and the positioning system are respectively connected with the display module so as to realize detection and display of line grounding fault conditions and fault positions; the device disclosed by the invention can realize quick hitching and dismounting of the grounding wire through combined installation; and the construction cost is low, the mounting and dismounting time of personnel is reduced, the accuracy of the hanging position of the grounding wire is improved, the safety of the personnel is improved, and the supervision and troubleshooting time of safety supervision personnel is reduced.