141results about How to "Guaranteed installation accuracy" patented technology

The utility model discloses a permanent and temporary combined assembly type underground structure plate wall connecting node which comprises an assembly type underground diaphragm wall, a full-length steel plate is installed on the side wall of the assembly type underground diaphragm wall, and a prefabricated structure plate is hoisted on the full-length steel plate. The gap between the prefabricated structural slab and the fabricated underground diaphragm wall is filled with ultra-high-performance concrete, and a steel bar structure is arranged in the ultra-high-performance concrete. According to the utility model, the rigid connection between the two prefabricated parts is realized, the integrity of the structure is improved, and the safety and durability of the underground structure are fully ensured; an underground diaphragm wall which is usually used as a temporary structure is changed into a permanent structure, so that the construction period is shortened, and the investment is saved; the ultra-high performance concrete poured in the joint can greatly shorten the anchoring length of the steel bars, enlarge the arrangement distance of the steel bars, obviously reduce the using amount of the steel bars on site and the binding workload, is convenient to install and simple in process, obviously improves the construction efficiency, and has high popularization and application value.

The utility model relates to the technical field of test box point distribution, in particular to an ozone aging test box calibration point distribution device which comprises a first-stage pipe, a second-stage pipe is slidably connected to the left end of the first-stage pipe, a third-stage pipe is slidably connected to the left end of the second-stage pipe, a positioning pipe is slidably connected to the right end of the first-stage pipe, and a supporting disc is fixed to the right end of the positioning pipe. Two measuring rulers are fixed outside the first-stage tube, the second-stage tube and the third-stage tube, two connecting plates are arranged outside the first-stage tube and the second-stage tube, a locking block is arranged on the inner side of each connecting plate, a plurality of point distribution rings are arranged outside the first-stage tube, the second-stage tube and the third-stage tube, and the first-stage tube, the second-stage tube and the third-stage tube are connected with the second-stage tube. A locking block is arranged on the inner side of each point distribution ring, and a sensor is arranged at the top of each point distribution ring; according to the utility model, the primary pipe is used for positioning the diode, the diode is used for positioning the triode, the jacking disc can ensure the stability of the whole device, and meanwhile, the application range of the whole device is widened.

The invention provides foundation pit construction lifting equipment and a using method, and relates to the technical field of foundation pit construction. The foundation pit construction lifting equipment comprises fixing modules, a hoisting module and a ladder cage module, the multiple fixing modules are arranged at intervals in the first direction, each fixing module is fixedly connected with a supporting structure of a foundation pit and provided with a shaft, and the hoisting module is arranged on the fixing module on the uppermost layer and provided with a hoisting point; the hoisting point is higher than the fixing module, at least one elevator cage module is connected with the hoistway in a sliding mode in the first direction, and the elevator cage module is suitable for stopping at the preset position of the hoistway. By integrating the fixing module, the hoisting module and the ladder cage module, self-bearing, self-hoisting and high-precision installation of the lifting equipment in the foundation pit are achieved.

The invention relates to the field of lamps, and discloses a light guide part, a lamp and a carrier, the light guide part comprises at least two light guide sections which are arranged in sequence, and every two adjacent light guide sections are connected through a connecting section; wherein each light guide section is provided with a light inlet part and a light outlet part, the light inlet parts are used for allowing light of the light-emitting assembly to enter the light guide sections, the light outlet parts are used for allowing the light of the light guide sections to be emitted, and the connecting sections are configured to limit at least part of the light to be transmitted between the two adjacent light guide sections. The light guide part is designed to be of the structure that the at least two light guide sections and the connecting sections are alternately connected, independent segmented control over all the light guide sections can be achieved, for example, the on-off states of different light guide sections are independently adjusted, or differentiated color output of all the light guide sections is achieved, the problem that a traditional light guide part is single in light emitting effect is effectively solved, and the light guide part is more convenient to use. And diversified and differentiated light emitting requirements are fully met. The connecting sections can effectively limit light transmission between the adjacent light guide sections, and the light crosstalk phenomenon is avoided.

The invention provides a hydraulic servo oil cylinder trunnion positioning and repairing method and a positioning device, which are used for carrying out in-situ welding and repairing on a fractured oil cylinder trunnion, and the method comprises the following control conditions: (1) heating an oil cylinder barrel before welding and carrying out heat preservation on the oil cylinder barrel after welding; (2) the tensile strength of the selected welding rod is higher than that of an oil cylinder barrel matrix; and (3) the welding rod is baked and heated before welding.

The application discloses an assembled station side wall assembling and aligning device and a construction method thereof, and comprises a movable bearing platform, a supporting arm and a leaning plate. The installation angle and position of the side wall are positioned by physical abutting of the leaning plate. Four-way adjustment of the leaning plate is realized through first and second driving structures. On the other hand, the movable bearing platform is flexible and movable. The end surface of the prefabricated bottom plate that has been assembled is used as a reference surface. The side wall is abutted on the upper part of the leaning plate to align the end surface of the prefabricated bottom plate. The perpendicularity and position of the side wall can be adjusted based on the gap between the leaning plate and the side wall to ensure the installation precision of the side wall. The application solves the problem that the side wall assembling position correction operation is difficult in the case that the prefabricated assembled subway station has a small working space.

The application provides a kind of corrosion-resistant prefabricated concrete drain pipe, including pipe body, fixed unit and connecting bolt, locking nut, pipe body includes body and boss, boss is equipped with the both sides of body, fixed unit includes first fastener and second fastener, first fastener, second fixed piece includes the semicircular fixed ring of symmetrical arrangement, fixed seat and first bolt, both sides semicircular fixed ring is equipped with second connecting hole opposite side, wherein first fastener side still includes connecting rod, second fastener side is equipped with matching hole, connecting bolt and locking nut are matched with second connecting hole.This application uses boss to be fixed with first fastener and second fastener, wherein first fastener, second fixed piece opposite side is equipped with connecting rod and matching hole respectively, connecting rod and matching hole are correspondingly arranged, ensure installation precision and accuracy, cooperate sealing ring and rubber washer ensure the sealing property between pipe body, the corrosion-resistant layer in pipe body improves the corrosion-resistant performance of pipe body.

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

The application provides a combined bottom plate structure of a laser, which is a multi-layer plate integrated structure fixedly connected to the bottom of the inner cavity of the laser, comprising a support plate, a semiconductor refrigerator, a heat insulation pad, a base plate and a mounting plate; the bottom surface of the support plate is fixedly connected to the bottom of the inner cavity of the laser shell; the semiconductor refrigerator and the heat insulation pad form a first square body structure, the bottom surface of the first square body structure is connected to the top surface of the support plate; the mounting plate and the base plate form a second square body structure; the bottom surface of the second square body structure is connected to the top surface of the first square body structure, and the top surface of the second square body structure is an optical platform for bearing a plurality of optical components and absorbing heat. The application also provides a heat dissipation method for the combined bottom plate structure of the laser. The application solves the technical problem that the bottom plate structure of the existing laser cannot simultaneously meet the requirements of high-efficiency heat dissipation, accurate temperature control and stable structure due to the single material.

The utility model discloses a kind of aluminium alloy louver and glass curtain wall conversion node, including curtain wall system and be located in the louver of curtain wall system, curtain wall system includes vertical keel, cross keel and hollow glass, aluminium alloy base is shaped on vertical keel and cross keel, hollow glass is connected with vertical keel and cross keel by aluminium alloy pressing plate;The periphery of louver is shaped with window frame, the inner side of window frame and corresponding vertical keel or cross keel is attached, outer side and aluminium alloy base are attached, window frame is connected with aluminium alloy base by connecting piece, aluminium alloy pressing plate is respectively pressed on the outer side of hollow glass and window frame, the periphery of louver is shaped with inner frame and outer frame in the application, cooperate and connect with the keel and aluminium alloy base of curtain wall system, the installation of louver is realized, and the outer surface of louver and the outer surface of hollow glass are flush, can perfectly link the installation of aluminium alloy pressing plate, installation is convenient, appearance is more beautiful.

The utility model relates to the field of pit-type carburizing furnaces, in particular to a fixing base for a pit-type carburizing furnace, which comprises a mounting main frame body, a furnace body mounted on the mounting main frame body, a limiting bump arranged in the middle of the upper surface of the mounting main frame body and used for placing the furnace body, and mounting columns vertically arranged at four corners of the upper surface of the mounting main frame body, the limiting protruding block in the middle of the installation main frame body is embedded into the bottom of the furnace body, displacement of the furnace body is effectively prevented, the installation top plate is connected with the positioning columns in an inserted mode through the positioning holes, and the installation precision of the top platform is ensured; the supporting plate is divided into the first plate body and the second plate body, the first mounting groove and the second mounting groove which are symmetrically formed in the mounting top plate can be quickly disassembled and assembled through the handle, a customized working table top is formed, a worker can stand conveniently to complete machining of the top of the pit type carburizing furnace, and the operation space for mounting the furnace body on the fixed base is larger.

The invention discloses a built-in concrete distributing device and method for a tubular pile steel mold. The device comprises a material receiving assembly, a material distributing assembly, a stirring assembly and an additive spraying assembly. And a loading vehicle of the material receiving assembly bears the lower template with the built-in reinforcement cage to move. A discharging pipe of the material distribution assembly can axially stretch into the reinforcement cage for center material distribution, and concrete is prevented from being attached to stirrups. The stirring assembly synchronously vibrates and stirs during material distribution through an adjustable stirring rod, and it is ensured that concrete is uniform and compact. The admixture can be added into the admixture spraying assembly according to needs. The using method comprises the steps that the reinforcement cage is positioned, and the discharging pipe extends into the reinforcement cage; carrying out material distribution, synchronous stirring and additive spraying; and closing the mold after completion. The problems that concrete adheres to ribs, distribution is uneven, and performance regulation and control are inconvenient are solved, and the production efficiency and the forming quality of the pipe pile are improved.

The utility model discloses a wire harness CCS nickel sheet rapid positioning buckle structure, and relates to the wire harness CCS nickel sheet technology field, the wire harness CCS nickel sheet rapid positioning buckle structure comprises a fixing plate, and the top of the fixing plate is provided with a buckle installation mechanism. According to the utility model, through the arrangement of the buckle mounting mechanism, the effects of quickly positioning the nickel sheet and conveniently mounting and fixing the aluminum row on the fixing plate can be achieved, and in the use process, the problems that the aluminum row is inconvenient to mount and fix on the fixing plate, so that the mounting position has certain deviation when the aluminum row is assembled, and the aluminum row cannot be conveniently mounted and fixed on the fixing plate can be avoided. The problems that the nickel sheet cannot be conveniently and rapidly positioned, so that the operation time of workers is prolonged, the assembly speed is reduced, the overall production progress is influenced, the workers are possibly tired due to the increase of the operation difficulty, and the production efficiency is influenced are solved. The working efficiency and the product quality are further influenced, and the practicability of the positioning buckle structure is ensured.

This application relates to the field of valve processing technology, and in particular to a sealing ring pressing device for valve cover processing. The device includes a worktable and a mounting bracket for fixing the valve cover. The mounting bracket is disposed on the worktable, and the worktable has a limiting structure for limiting the downward movement height of the sealing ring. The mounting bracket has a pressing structure for completely pressing the sealing ring into a mounting groove. The pressing structure is disposed above the valve seat. The mounting bracket has a second clearance hole for avoiding the limiting structure. The limiting structure forms an abutment fit with the lower surface of the sealing ring. During operation, the valve cover is fixed on the mounting bracket, and the pressing structure on the mounting bracket completely presses the sealing ring into the mounting groove, ensuring a stable and reliable interference fit between the sealing ring and the mounting groove. Simultaneously, the second clearance hole allows the limiting structure to pass, and the limiting structure can accurately limit the downward movement height of the sealing ring, ensuring the installation accuracy of the sealing ring in the mounting groove.

The range hood comprises a shell, a fan and a control assembly which are arranged in the shell, and an exhaust fume collecting hood arranged at the bottom of the shell, the fan is vertically arranged in the shell, a fume inlet of the fan is opposite to the inner wall of the rear side of the shell, a fume guide cavity is formed between the fan and the inner wall of the rear side of the shell, and the noise reduction guide plate is obliquely arranged on the upper portion of the fume guide cavity. The upper end of the noise reduction flow guide plate is located above the smoke inlet and fixedly connected with the top wall of the machine shell, and the lower end of the noise reduction flow guide plate is opposite to the smoke inlet and connected with the rear side wall of the machine shell in a clamped mode. Compared with the prior art, the range hood provided with the noise reduction flow guide plate has the advantages that the upper end of the noise reduction flow guide plate is connected with the top wall through the two screws, so that the noise reduction flow guide plate can bear direct impact of airflow without deformation or vibration, and secondary noise is avoided; the lower end of the noise reduction flow guide plate is clamped with the rear side wall of the machine shell, the placement angle of the noise reduction flow guide plate can be limited through clamping matching, and the installation precision of the noise reduction flow guide plate is guaranteed.

The invention relates to the field of integral replacement of a sintering machine round roller, in particular to an integral quick replacement method for the sintering machine round roller, which comprises the following steps of: uniformly mounting symmetrical hanging points, chain blocks and hoisting belts on the front and rear side walls of a blanking chute above the round roller along the axial direction of the round roller; first lifting points are arranged on the striker plates on the two sides of the round roller; a lifting point II is arranged on a driven shaft of the round roller; an electric capstan is mounted on the plant stand column corresponding to the lifting point II; the round roller is pre-supported through symmetrical hanging points on the discharging chute, and the connection between the mounting bases at the two ends of the round roller and the base is removed; then a round roller is put down; the round roller is horizontally moved out in the axial direction through cooperation of the chain blocks on the symmetrical hanging points of the discharging chute, the electric capstan and the electric hoist, then the round roller is rotated by 90 degrees in the horizontal plane, and then the round roller is transferred to a working area of a workshop crane through the moving trolley. The round roller body does not need to be disassembled, the lower screen roller does not need to be disassembled, the replacement procedure is greatly simplified, and the construction difficulty and potential safety hazards are effectively reduced.

The utility model discloses a brushless direct current motor rotor subassembly, including rotor subassembly, convenient installation mechanism, fixed establishment and jointing auxiliary mechanism, the convenient installation mechanism includes linkage axle and installation platform, the fixed establishment includes the friction frame and the jointing rod, the jointing auxiliary mechanism includes the guide block and the two -way spring pole, and the convenient installation mechanism passes through the combination design of linkage axle and installation platform, has simplified the installation process of rotor subassembly, and the sliding fit of guide bush and linkage rod has provided accurate centering positioning function, and the fixed establishment adopts the innovative combination of friction frame and jointing rod, has realized the firm locking between parts, and the friction jointing groove of parallel setting in groups cooperates with the matched pair horizontal rod, has increased the friction point, has improved the connection stability, and the jointing auxiliary mechanism utilizes the precision fit of guide block and two -way spring pole, has realized the accurate positioning control of vertical pressure cover.

The utility model provides a small sliding table air cylinder which comprises a base and a sliding table located above the base, and a crossed linear rail is arranged between the base and the sliding table so that the sliding table can form the freedom degree of sliding in the front-back direction of the base. A longitudinal air cylinder, a longitudinal piston and a piston rod are arranged in the middle area, in the width direction, of one end of the sliding table, a fixing plate is arranged at one end of the base, and the tail end of the piston rod is matched with the fixing plate to exert force to drive the sliding table. Two first air connecting openings communicating with the two ends of the longitudinal air cylinder correspondingly are formed in the side portion of the sliding table. The utility model has the advantages of compact structure, strong bearing capacity, good rigidity and stable operation.

The invention discloses an all-attitude five-axis turning and milling combined machine tool matched with a non-orthogonal main shaft, and belongs to the technical field of high-end numerical control machine tools. According to the technical scheme, the turning and milling machine comprises a machine body and a turning and milling workbench arranged on the machine body, and a sliding seat is movably arranged on the machine body; the X-axis transmission system is arranged on the lathe bed, is in driving connection with the sliding seat and is used for driving the sliding seat to move in the X-axis direction; the Z-axis transmission system is arranged on the sliding seat; the spindle box is in driving connection with the Z-axis transmission system and used for moving in the Z-axis direction. And the turning and milling main shaft is rotatably connected to the main shaft box. The invention has the following beneficial effects: through the combined design of a series of technical characteristics of the 45-degree non-orthogonal main shaft and the-30-180-degree all-attitude adjusting structure thereof, the long-standing technical problems of limited machining range, insufficient angle adjusting precision, low multi-process circulation efficiency and the like of the traditional orthogonal main shaft machine tool are solved; and the machining flexibility, the positioning precision, the whole machine rigidity and the process adaptability are all substantially improved.

The utility model discloses a battery box sleeve installation platform which comprises an installation base and a supporting frame arranged at the top of the installation base, the supporting frame is used for fixedly placing a battery box, one end of the supporting frame is hinged to the installation base, a driving assembly is arranged on the installation base, and the driving assembly is fixedly connected with the other end of the supporting frame. When the driving assembly operates, the supporting frame can be forced to rotate relative to the mounting base, so that the battery box body on the supporting frame is converted into an inclined or vertical state from a horizontal state. The battery box mounting device has the advantages that the driving assembly controls the supporting frame to rotate relative to the mounting base, so that the battery box can be placed obliquely instead of being placed horizontally, an operator can position and mount the middle sleeve conveniently, and mounting efficiency and mounting precision are guaranteed.

The adjustable arch frame installation trolley supporting structure mainly comprises an installation trolley, a lifting assembly is installed on one side of the installation trolley, and a supporting assembly is installed on the other side of the installation trolley; the lifting assembly clamps and lifts the middle of the arch frame. The supporting assembly comprises a semicircular plate seat, and the semicircular plate seat can be horizontally and rotatably mounted on the mounting trolley and locked through a locking mechanism; the supporting mechanism is rotationally connected with the semicircular plate seat and is adjusted in a pitching mode relative to the semicircular plate seat, and the supporting mechanism is locked through the adjusting mechanism; abutting blocks are symmetrically arranged on the two sides of the head end of the supporting mechanism and abut against the two sides of the arch frame. According to the adjustable arch frame mounting trolley supporting structure and the mounting method, the construction quality and efficiency of an arch frame can be improved.

The utility model relates to the technical field of metal composite radiating fins, in particular to a metal composite radiating fin convenient to maintain and clean, which comprises a bottom plate body, a radiating fin body and a positioning support frame, a portable dismounting assembly is connected and mounted between the bottom plate body and the radiating fin body, a positioning mounting assembly is arranged on the side edge of the portable dismounting assembly, and the positioning support frame is connected with the positioning mounting assembly. According to the metal composite cooling fin convenient to maintain and clean, a single set of cooling fins are arranged to be detachable through the mechanism assembly, and when the cooling fins need to be cleaned, the cooling fins can be directly detached from the side edge of the device to be cleaned one by one step, so that the cooling fins are convenient to maintain and clean. On the basis of guaranteeing cleanliness of the cooling fins, continuous and efficient heat dissipation performance of equipment is guaranteed, meanwhile, due to the detachable design, when the cooling fins are locally damaged, the whole set of cooling fins do not need to be replaced, only the damaged local cooling fins need to be replaced, flexibility is high, and practicability is good.

This utility model discloses an auxiliary positioning device for installing hot and cold water pipes, comprising: a positioning plate with mounting holes, the spacing of which is the same as the design spacing of the hot and cold water threaded elbows, and the diameter of the mounting holes being larger than the inner diameter and smaller than the outer diameter of the hot and cold water threaded elbows; a pad, disposed between the positioning plate and the wall, used to adjust the distance between the positioning plate and the wall and control the distance of the end face of the hot and cold water threaded elbow from the wall; a fixing member, used to pass through the positioning plate and the pad to fix the positioning plate and the pad to the wall; and a plug, the outer diameter of which is adapted to the inner diameter of the hot and cold water threaded elbow, the plug being inserted into the hot and cold water threaded elbow through the mounting holes. This application simplifies various positioning operations for hot and cold water threaded elbows, improves installation quality, and reduces project costs.

The utility model discloses a machine shell process plug press-fitting machine, and belongs to the technical field of press-fitting machines, the press-fitting machine comprises a shell and a workpiece, an operation table is horizontally and slidably installed in the shell, a support is fixedly installed at the top end of the operation table, an operation board is rotatably installed on one side of the support, and a driving assembly is installed on one side of the operation board. A positioning column is fixedly installed on the other side of the operation board, the workpiece is connected to the positioning column in a sleeving mode, a fixing assembly matched with the workpiece is arranged on one side of the operation board, a second air cylinder is fixedly installed at the top end of the shell, and the output end of the second air cylinder penetrates through the top end of the shell and is fixedly provided with a pressing head. The press-fitting machine can achieve accurate positioning and efficient clamping, multiple air cylinders are flexibly adjusted, materials are convenient to carry, and the production efficiency and the product quality can be improved.

The utility model relates to steel structure installation technical field especially a hoop device suitable for arc steel column fixed, including arc plate, curved surface support plate, stiffening rib, double -eared connecting piece, connecting lug plate, through -hole, bolt hole and installation base plate, through the fastening bolt of screwing, make arc plate and curved surface support plate act on the outer wall of arc steel column together, form clamping fixed, the utility model discloses can realize the relative fixation of three arc steel columns, can realize the accurate installation of arc steel column, through adopting the arc plate and curved surface support plate of different curvature, can be adapted to the arc steel column installation of different curvature.

The utility model relates to the technical field of pressure regulating valves, in particular to a pressure regulating valve with a pressure relief function, which is characterized in that a hollow rotating ring is rotatably connected in a supporting circular ring, three eccentric abutting wheels are rotatably connected in the hollow rotating ring, and the outer surfaces of the three eccentric abutting wheels are fixedly connected with arc-shaped connecting blocks; the outer surface of the hollow rotating ring is fixedly connected with a round rod handle, the round rod handle is held by hand to pull the hollow rotating ring to rotate in the supporting circular ring, and as the arc-shaped connecting blocks on the three eccentric abutting wheels are arranged in the fixed U-shaped limiting seat, the U-shaped limiting seat limits the motion trails of the eccentric abutting wheels, and the eccentric abutting wheels can rotate in the supporting circular ring. The eccentric abutting wheels eccentrically rotate in the process of rotating along with the hollow rotating ring, finally, the three eccentric abutting wheels rotate at the same time and abut against the portion, connected with the rubber hose in a sleeved mode, of the outer threaded pipe connector, and the connection stability is enhanced through the abutting effect. And relative displacement between the external thread pipe joint and the rubber hose due to vibration or external force is prevented.

The utility model relates to a square telecentric lens structure with corner, telecentric lens structure including main mirror barrel, extension mirror barrel, corner mirror barrel and reflector gland that connect gradually, main mirror barrel, extension mirror barrel, corner mirror barrel and reflector gland are all square structure, corner mirror barrel and reflector gland between fixed one square corner reflector, corner reflector present 45 degree angle installation fixed, compared with the prior art, the utility model has convenient installation, reduces processing difficulty, convenient fixed auxiliary device and so on advantages.

This utility model relates to the technical field of concealed rail assembly equipment, and more specifically, to a three-section synchronous concealed rail upper bead frame installation device, including a fixed bracket, a sliding bracket, a lifting bracket, and a clamping mechanism. The clamping mechanism is assembled with the lifting bracket and is used to clamp the upper bead frame. The clamping mechanism includes a first clamping component, which includes a first picking clamp, a first picking cylinder, and a first angle swing cylinder. The first picking cylinder is assembled below the lifting bracket and is used to control the first picking clamp to loosen and release the upper bead frame. The first angle swing cylinder is assembled with the lifting bracket and is used to control the swing of the first picking cylinder. This allows the upper bead frame to be installed with the middle rail in a combined vertical lifting and angle swing manner, achieving an installation action of first tilting contact and then returning to the center for snapping. This reduces the assembly force, simulates the flexible process of manual assembly, and improves the overall operational stability of the workstation.