26results about How to "Less welding work" patented technology

The present invention relates to a double-walled steel cofferdam with no bottom and a construction method for deep-water rock capping platform rotary excavation. The BIM three-dimensional simulation technology is used to accurately design the size of the cofferdam module and the position of the preset holes, which greatly improves the accuracy and efficiency of the construction. By solving the problems of module size and layout in the design stage, the installation and commissioning work on site can be significantly reduced, thereby speeding up the construction progress and ensuring the quality of the project. The quick connection method of prestressed tendons and extruded waterproof strips is adopted between the cofferdam modules, which saves a lot of welding work, not only improves the construction efficiency but also reduces the construction difficulty. The guide device used for the lowering of the cofferdam is used for horizontal and vertical displacement and inclination monitoring, which can help the cofferdam lowering process more accurately, and greatly improve the construction efficiency and safety. The comprehensive slotting method of impact drill, rotary drilling drill and grab bucket greatly improves the slotting efficiency and reduces the slotting difficulty.

The invention discloses an automatic distribution type production line and a production process for pasting and welding reinforcing plates for tunnel steel arches. The production line comprises an automatic distribution mechanism, a displacement clamping mechanism and a pasting plate welding mechanism, and the automatic distribution mechanism is used for conveying joist steel with joints to a second conveying mechanism and conveying joist steel without joints to a first conveying mechanism; the flitch welding mechanism is used for welding reinforcing plates to the joist steel with the joints in a flitch mode; wherein the seamless I-shaped steel is discharged through the first conveying mechanism, and the seamless I-shaped steel is discharged through the third conveying mechanism after the reinforcing plate is pasted and welded. According to the invention, the joist steel can be automatically distributed, the joist steel with joints and the joist steel without joints are conveyed in two process routes, the process rhythm of the two process routes is clear and does not influence each other, the production rhythm can be better controlled, continuous mounting and welding operation of reinforcing plates can be realized, and the production efficiency is improved. Automatic and continuous production of the steel arch is achieved, and the production efficiency of the steel arch production line is greatly improved.

The invention discloses a hollow sphere joint of a space grid structure and an installation method.The hollow sphere joint comprises a hollow sphere, a threaded sleeve, a conical head and a tubular rod piece, the threaded sleeve is welded to the outer surface of the hollow sphere, the conical head is welded to one end of the tubular rod piece, and the conical head is fixedly connected with the threaded sleeve through a high-strength bolt; cranked levers are circumferentially distributed on the threaded sleeve, the middles of the cranked levers are rotationally connected with the threaded sleeve, one ends of the cranked levers are clamped with the conical head, the other ends of the cranked levers extend into the threaded sleeve and abut against the high-strength bolt, and the conical head is welded to the tubular rod piece; compared with a bolt sphere joint, the welding hollow sphere joint is small in steel amount, light in weight and small in welding operation difficulty, the welding quality is easy to guarantee, the construction difficulty is reduced, the construction quality and speed are effectively improved, the construction cost is reduced, the assembly requirement of a space grid structure is met, and the joint assembly strength is improved.

The utility model relates to a positioning device for a drainage blind pipe of a tunnel side wall. An existing side wall drainage blind pipe construction method has the problem that the installation quality is difficult to guarantee. The device comprises a blind pipe positioning clamp and an orifice sealing pipe, the blind pipe positioning clamp is of a tubular structure and located at the preset position of the side wall drainage blind pipe within the side wall lining pouring range, and the side wall drainage blind pipe is inserted into the blind pipe positioning clamp and extends into the outer side of the side wall lining pouring range. And the orifice sealing pipe is inserted into the side wall drainage blind pipe from the inner end of the blind pipe positioning clamp. The blind pipe positioning clamp is used for positioning the side wall drainage blind pipe, a traditional simple positioning mode is replaced, so that the installation quality such as slope and orifice elevation control of the side wall drainage blind pipe is guaranteed, welding operation of site positioning steel bars and damage to a side wall arc-shaped formwork are reduced, electric welding sparks are reduced in gas tunnel construction, and the construction efficiency is improved. The safety risk is reduced, meanwhile, the time of the blind pipe positioning procedure is shortened, and the operation cost is reduced.

The bumper for the two-wheeled vehicle comprises a protection bar arranged on a vehicle body (1), the protection bar is made of a steel plate, the protection bar is composed of two side protection plates, two front protection plates, two rear protection plates, a tail protection plate, a bearing plate and a connecting plate, the two front protection plates are arranged at the front ends of the two side protection plates respectively, and the two rear protection plates are arranged at the rear ends of the two side protection plates respectively. The two rear protection plates are arranged at the rear ends of the two side protection plates respectively. According to the utility model, the plurality of protective plates are connected through the plurality of connecting bolts, so that the welding operation required when the protective bar is mounted is reduced, convenience is provided for people, and meanwhile, the protective bar is quickly mounted and dismounted.

The application discloses a steel structure combined bridge and relates to the field of bridges.The steel structure combined bridge comprises two end steel molds and a plurality of spliced steel molds arranged between the two end steel molds, a plurality of first holes are formed through the spliced steel molds, first pipes are arranged in the first holes, one end of the first pipe is slidably provided with a second pipe, one side of the second pipe is provided with an extrusion assembly used for driving the second pipe to slide, the extrusion assembly is arranged on the spliced steel mold, a first protrusion used for driving the extrusion assembly on the adjacent spliced steel mold to operate is arranged on the side of the spliced steel mold away from the end steel mold, a second hole used for inserting the second pipe is formed in the end steel mold, a second protrusion used for driving the extrusion assembly on the adjacent spliced steel mold to operate is arranged on the end steel mold, and an interface assembly used for conveniently pouring concrete into the first pipe and the second pipe is further arranged on the end steel mold, so that the welding points are reduced in the splicing process of the bridge manufacturing, and the connection is convenient.

The invention provides a wiring method for a connecting wire harness between robot joints, and belongs to the field of robot assembling.The wiring method comprises the steps that a joint connecting wire and a plurality of joints to be connected through the joint connecting wire are measured and compared, the positions, needing to be peeled and welded, of the joint connecting wire are determined, and marking lines at the two ends of each peeling and welding position are drawn; peeling the position, needing to be peeled and welded, of the joint connecting wire to expose an internal wire core, cutting a plurality of sections of heat shrink tubes, and sleeving each section of heat shrink tube on the joint connecting wire; welding the two ends of the joint connecting line with the joints of the two joints corresponding to the two ends respectively, and then welding the wire core with each joint of the corresponding middle part; insulation processing is carried out on the welding position of each joint and the wire core and the position of the wire core exposed by the peeling of the joint connecting wire; and moving each section of the heat-shrinkable tube to the corresponding welded wire core position, heating each section of the heat-shrinkable tube, then cooling and shaping, coating the two end ports of each section of the heat-shrinkable tube with an insulating sealant, and completing wiring.

The utility model discloses a photovoltaic system building frame, which comprises a basic component and a mounting frame, the basic component comprises a main beam piece, an oblique beam piece, a support beam piece, a mounting base piece and a stabilizing beam piece, one end of the main beam piece is rotatably connected with the oblique beam piece, one end of the oblique beam piece is rotatably connected with the support beam piece, and the other end of the oblique beam piece is rotatably connected with the mounting base piece. One end of the supporting beam piece is connected to the main beam piece through a fastener, the bottom of the main beam piece is fixedly connected with a mounting base piece, the mounting base piece is rotationally connected with a stabilizing beam piece, and one end of the stabilizing beam piece is connected to the main beam piece through a fastener; and a mounting frame is fixedly connected between the oblique beam pieces of every two adjacent groups of foundation components. The utility model relates to the technical field of photovoltaic racks, and has the characteristics that the fastening or welding work is reduced, and a photovoltaic array can be quickly deployed.

The utility model discloses an integrally-cast lifting lug structure of an offshore box, and relates to the technical field of offshore boxes. The lifting lug is integrally formed on the upper end face of the base part, the through hole is formed in the center of the lifting lug, an inclined slope is arranged at the upper end of one side of the lifting lug, and the inclined slope is of an arc-shaped structure; and the offshore box part is arranged at the lower end of the base part, and a locking mechanism is arranged in the offshore box part. According to the lifting lug assembly, the base piece and the lifting lug are of the cast integrated structure, the welding work of the base piece and the lifting lug is omitted, the number of welding beads can be reduced, meanwhile, the flaw detection workload can be reduced, the strength of the whole lifting lug assembly is improved, the lifting lug can be reinforced through the arranged reinforcing ribs, and the service life of the lifting lug assembly is prolonged. And the arranged reset spring and the baffle piece can push the locking plate to be clamped with the connecting groove, so that the position of the connecting piece can be limited, the connecting piece can be prevented from deviating and shaking, and the base piece can be rapidly installed and limited.

The utility model provides an attachment steel platform support for an internal climbing tower crane, which comprises a steel platform body, an attachment device is arranged on the outer surface of the steel platform body, the attachment device comprises high-strength bolts, and the high-strength bolts are connected to the periphery of the outer surface of the steel platform body through threads. A mounting plate is fixedly connected to the upper end of the front side of the steel platform body, a plurality of mounting holes are formed in the left side and the right side of the outer surface of the mounting plate, a first supporting plate is fixedly connected to the left side of the bottom of the mounting plate, and a second supporting plate is fixedly connected to the right side of the bottom of the mounting plate. Then the steel platform body can be fixed to the wall face in the mode that the high-strength bolts are fastened to the embedded sleeves, the mounting plate is arranged at the front end of the steel platform body, the steel platform body is fixedly connected with a tower crane internal climbing frame flange plate through the mounting plate, and the stable supporting effect is provided for installation of an internal climbing tower crane.

The utility model discloses a curtain wall keel assembled in a modularized mode. The curtain wall keel comprises stand columns, transverse supports and assembling filler blocks. Guide grooves formed in the length direction of the stand column are formed in the surfaces of the two sides of the stand column; the assembling filler block is provided with a back rib matched with the guide groove, so that the assembling filler block can be conveniently and smoothly embedded in the guide groove; the assembling filler block is further provided with a plurality of through assembling holes and a two-step protruding structure on the front face, the side face of a lower-step protrusion in the two-step protruding structure is triangular, and an upper-step protrusion in the two-step protruding structure is in a rectangular pyramid frustum shape. The transverse support is designed as a square tube, the outer end face of the transverse support forms a triangular butt joint end face matched with the lower step protrusion, and an inner tube hole is matched with the rectangular pyramid table; the side face of the square pipe is provided with a butt-assembling hole matched with the cross brace assembling hole. The curtain wall keel system adopting the modular design is stable in structure, the installation process is simple, convenient and rapid, the working efficiency is remarkably improved, and the working hours and the labor cost are reduced.

The invention discloses unit type filtering dust removal equipment, and relates to the technical field of filtering dust removal, the unit type filtering dust removal equipment comprises a dust removal box, and the dust removal box comprises two end units which are oppositely spliced; each end unit comprises an upper end air chamber section and a lower end dust hopper section, and the end air chamber sections and the end dust hopper sections are connected in a spliced mode; end partition plates are fixedly welded to the upper portions of the end air chamber sections and extend to the splicing faces of the corresponding end units, the end partition plates of the two end units are connected in a spliced mode, the dust removal box is internally divided into an upper air purification chamber and a lower dust air chamber through the two end partition plates, the dust air chamber is connected with an air inlet, and the air purification chamber is connected with an air outlet. A plurality of filtering structures are mounted on the end partition plate; a middle expansion unit is added between the two end units, and the middle expansion unit is connected with the two end units in a spliced mode. The design and production workload is reduced, transportation is convenient, on-site construction is convenient, the overall cost is reduced, and the supply cycle is shortened.

The utility model discloses a connecting device for a connecting rod piece and a steel support of a pedestrian ladder stand, which comprises an F-shaped buckle, the F-shaped buckle is formed by connecting a limiting plate I, a connecting plate and a limiting plate II, the limiting plate I and the limiting plate II are two transverse plates of the F-shaped buckle, one end of the limiting plate I and one end of the limiting plate II are connected with the connecting plate, and the other end of the limiting plate II is connected with the connecting plate. The other end of the first limiting plate and the other end of the second limiting plate are each provided with a coaxial steel support fixing bolt installation hole, a steel support fixing bolt assembly is installed in each steel support fixing bolt installation hole, and a space defined by the first limiting plate, the second limiting plate, the connecting plate and the steel support fixing bolt assembly is used for fixing a steel support. A connecting rod piece fixing bolt mounting hole is formed in the connecting plate, and a connecting rod piece fixing bolt assembly used for being connected with a connecting rod piece is mounted in the connecting rod piece fixing bolt mounting hole. The connecting device is simple in structure, the connecting rod piece and the steel support can be stably connected without welding, the connecting device and the steel support are connected and disassembled conveniently, and the steel support is not prone to being damaged.

This application discloses a prefabricated construction structure combining floor decking and aluminum formwork, including an aluminum alloy beam formwork assembly, lap joint fittings, and a steel truss floor decking. The aluminum alloy beam formwork assembly includes multiple aluminum alloy templates, which enclose a first pouring cavity. The lap joint fittings are disposed on the aluminum alloy beam formwork assembly and located on the periphery of the top opening of the first pouring cavity. The lap joint fittings have a top lap plate, the width of which is greater than the thickness of the aluminum alloy template. The steel truss floor decking is supported on the top lap plate, and the top lap plate and the steel truss floor decking are detachably connected. This prefabricated construction structure combining floor decking and aluminum formwork uses prefabricated steel truss floor decking supported at the floor slab. The steel truss floor decking is part of the floor slab, completely replacing the formwork function, saving time on formwork erection and dismantling, and, in conjunction with the aluminum formwork system, greatly accelerating the construction speed, allowing for rapid construction up to one floor every six days.

The utility model provides a bottom giant steel column mounting structure based on steel horse stool base connection, which comprises a foundation cushion layer positioning embedded part and a steel horse stool base, and the foundation cushion layer positioning embedded part is arranged in a foundation cushion layer in advance. The steel horse stool base comprises a plurality of vertical steel horse stool angle steel stand columns and a plurality of horizontal steel horse stool horizontal angle steel, the tops of the steel horse stool angle steel stand columns are welded and fixed to the corresponding steel horse stool horizontal angle steel, and the steel horse stool angle steel stand columns on each side are connected through welding steel bars; the bottoms of the steel horse stool angle steel stand columns are fixedly welded to the corresponding foundation cushion layer positioning embedded parts, the steel horse stool base is arranged in the foundation platform, and the steel horse stool base is fixedly welded to the bottoms of the steel columns. The steel column installation precision is guaranteed, the welding quality is improved, manpower and material resources are saved, and the construction period is shortened.

The invention belongs to the field of building structures, and particularly relates to a reinforced concrete beam and a node intelligent detection method thereof. The steel-concrete beam comprises a steel U-shaped body, wherein an edge block and a slot part are respectively formed at two ends of the inner top surface of the steel U-shaped body; the steel bottom plate is fixed at the lower end of the steel U-shaped body, two ends of the steel bottom plate are respectively provided with a partition plate part comprising an inner partition plate, an outer partition plate and a middle partition plate, through holes in the partition plates are communicated left and right, and the upper ends of the partition plates are matched with the slot parts; the connecting body comprises an embedding and inserting block and a second plate part, the second plate part comprises a plurality of partition plate bodies, and multi-step through holes are formed in the embedding and inserting block and connected with the steel U-shaped body; the pull rod part is matched with the multi-step through hole and is used for fixing the connecting body and the steel U-shaped body; the sleeve part sleeves the pull rod part, one end of the sleeve part is in contact with the cap body, the other end of the sleeve part is in contact with the embedding block, and a detection unit for detecting the compression condition of the end part is arranged; the foaming body is filled in a steel box formed by a steel U-shaped body and the like; and a concrete layer. The device has the characteristics of assembly type construction and light weight, and can realize intelligent detection.

The invention relates to the technical field of construction of double-amplitude variable cross-section prestressed continuous box girders, and particularly discloses a construction method of a 0 # block of a double-amplitude prestressed continuous box girder. The method comprises the steps that S1, a support is constructed; s2, elevator cage construction; s3, hanging basket components are installed; s4, 0 # block pouring is conducted; s5, edge protection and construction platform installation; s6, a beam surface channel is constructed; step S7, configuring a beam surface circuit; and S8, 0 # block continuous beam prestress tensioning is carried out. The whole construction process is standardized, so that errors and rework in the construction process are reduced, the construction quality is improved, the cost is controlled, and all construction activities are ensured to be carried out according to a set plan; and meanwhile, the construction efficiency and the construction safety of a project are improved by using various devices and equipment.

The utility model discloses a stator iron core of a compressor motor, which comprises an iron core body, the diameter of the outer edge of the iron core body is smaller than the inner diameter of a compressor shell, a diameter expanding part is integrally formed on the peripheral side of the iron core body, and the iron core body is directly arranged in the compressor shell through the diameter expanding part. After the technical scheme is adopted, the stator iron core assembly is simple in structure and high in integration degree, and ferrule processing, sheet metal part processing and welding operations which need to be separately configured with the iron core body in the stator iron core assembly in the prior art are saved.

The present application relates to a kind of bridge steel arch rib lifting device and its construction technology, including the support ring formed by the splicing of two support pieces, two control discs are respectively rotationally arranged on the two sides of the support piece, multiple elastic boots and multiple rigid boots are respectively slidably connected with the support ring and controlled by the control disc, control motor is arranged in the inner side of the support piece and used to control the rotation of the control disc;Integrated multifunctional tool, the integrated lifting lug outside the tool can consider segmented hoisting, in-air overturning and posture adjustment, lateral wind cable anchoring during construction stage, without welding various temporary lifting lugs and wind cable corbels on site, a large number of welding operations are reduced;The tool has locking and sliding dual modes, and after completion, it can be slid along the steel arch rib to the end for centralized disassembly, without flame cutting the arch rib throughout, avoiding damage to the base material, eliminating the polishing, anticorrosion repair process, and reducing construction cost.

The utility model relates to the technical field of ship design, and discloses a cruise ship aluminum alloy module balcony which comprises a cantilever beam bottom supporting structure, a deck structure, a glass handrail and cantilever beams, the inner side of the cantilever beam bottom supporting structure is welded to a structural bulkhead, and a set of cantilever beams are correspondingly arranged above the two side edges of the cantilever beam bottom supporting structure in the width direction. The inner sides of the cantilever beams are welded to the structural bulkhead, a deck structure is arranged on the cantilever beam bottom supporting structure, the deck structure and the cantilever beams above the deck structure are fixedly connected through a center column, and a glass handrail is arranged on the outer side face of the cantilever beam bottom supporting structure. According to the device, the balcony can be rapidly and efficiently installed, the cruise ship pre-outfitting rate is greatly increased, the ship building period is shortened, a large amount of segmented building, pre-outfitting work and welding work are reduced, it can be guaranteed that a balcony product has the unified quality and rapid installation performance, and the weight reduction advantage is remarkable. The device structure has wide customizability, and can meet the requirements of cabin unit module balconies with different depth and width requirements.

The utility model relates to a split mounting type building structure which comprises a plurality of supporting units, a plurality of outer wall plates and a top plate, the bottom ends of the supporting units are fixed on a ground foundation, the outer wall plates are fixedly installed on the outer sides of the supporting units, the top plate is fixedly installed on the tops of the supporting units, and the outer wall plates are fixedly installed on the outer side of the top plate. Each supporting unit comprises a plurality of vertical beam assemblies and a plurality of transverse supporting beams, the vertical beam assemblies in the supporting units are distributed in the same row or the same column at intervals, and the tops of every two adjacent supporting units are fixedly connected with the two ends of one transverse supporting beam through fasteners respectively. Through the arrangement of the supporting units, the outer wall plates and the structure of the top plate, the steel structure building can be subjected to modular splicing operation during construction, welding operation during site construction and installation can be reduced, and then smoke pollution during construction is reduced.

The application belongs to the technical field of tube-bank heat exchanger, and particularly relates to a heat exchanger tube bank with sealing degree strengthening function. The structure of the heat exchanger tube bank comprises a tank plate, two internal partitions, mounting holes, and heat exchange tubes, further comprises a blocking rubber ring unit arranged on the mounting hole and used for abutting against the end face of the heat exchange tube, a fixed frame unit arranged on the inner side face of the tank plate, and a positioning rubber ring unit arranged on the fixed frame unit and used for abutting against the side face away from the internal partition. The beneficial effects of the application at least include that the heat exchanger tube bank has rubber ring structures with relatively high sealing degree and relatively low dismounting difficulty between the tank plate and the internal partition, and between the internal partition and the heat exchange tube, so that the sealing degree between the shell side and the tube side is significantly improved, the mutual penetration between the shell side material and the tube side material is prevented, and the safety of the heat exchange operation is improved.

A permanent magnet speed reduction all-in-one machine belongs to the technical field of speed reducer and motor installation. According to the permanent magnet synchronous motor, the permanent magnet synchronous motor shell is integrally formed outwards on the speed reducer box body, a transition flange part is formed between the speed reducer box body and the permanent magnet synchronous motor shell, and an inner cavity of the transition flange part serves as a bearing installation cavity for supporting a power input shaft of the speed reducer. The end part of the power input shaft of the speed reducer extends into the inner cavity of the permanent magnet synchronous motor shell; and the joint of the inner cavity of the transition flange part and the inner cavity of the permanent magnet synchronous motor shell is sealed through an oil seal and an oil baffle groove. According to the utility model, the permanent magnet direct drive motor and the speed reducer are molded and combined into an all-in-one machine, on one hand, the structure is simple to install, on-site welding work is omitted, the motor and the speed reducer shaft are automatically centered, and the reliability and the service life of equipment are greatly improved; on the other hand, two independent parts of the speed reducer and the permanent magnet motor are combined into a whole, the installation space is saved, and meanwhile the installation difficulty is greatly reduced.

The present invention discloses a material electromagnetic radiation performance test probe station, including a video microscope mechanism, a scanning receiving probe, a scanning adjustment mechanism for adjusting the position of the scanning receiving probe, a stage for placing a test piece, a test seat supporting the stage, and a probe device capable of contacting and conducting with the test piece, wherein the test seat is provided with a probe adjustment mechanism for adjusting the position of the probe device. The probe adjustment mechanism is used to drive the probe of the probe device to contact and conduct with the test piece to receive power feed for material testing, the probe device is connected to an external signal receiving and processing instrument, and the parameter signal fed back by the test piece in an electromagnetic ray environment is processed by the signal receiving and processing instrument, thereby testing the near field and radiation characteristics of the two surfaces of the test piece.

The invention discloses a large detachable iron unit curtain wall system suitable for spatial curved surface modeling. The large detachable iron unit curtain wall system comprises a main body structure, and tubular iron curtain walls with spatial curved surface modeling are installed on the left side, the right side and the lower portion of the main body structure. Wherein the left side and the right side of the main body structure are each provided with a first steel base, and the two ends of the tubular iron art curtain wall are installed on the corresponding first steel bases through a plurality of bolts; a plurality of second steel seats are arranged below the main body structure, and a plurality of suspender assemblies are mounted below the second steel seats; the tubular iron curtain wall comprises a plurality of curved-surface modeling tube groups, and each curved-surface modeling tube group is formed by assembling a plurality of round tubes; the curved surface modeling pipe set is detachably connected with the suspender assembly. According to the invention, the mounting assembly is unitized, so that the mounting efficiency is greatly improved, meanwhile, local disassembly and assembly are also facilitated, a large amount of welding work in the mounting and maintenance process is avoided, and the mounting precision is improved.