512results about How to "Accurate connection" patented technology

According to the semi-automatic pushing and connecting equipment and method based on multiple stations, the materials in the material storage device are continuously conveyed to the cut-off assembly through the conveying assembly, then the situation that the materials enter the cut-off assembly is detected through the visual module, and therefore the materials can be reliably conveyed to the pre-inserting device conveniently when the front faces and the back faces of the materials are in different states; then, one side of the FPC connecting end is moved to the bearing assembly through the material supporting device and is adsorbed and fixed through the adsorption device arranged on the bearing assembly, the position of the FPC connecting end is adjusted in the plane through the turnover device to be aligned with the other side of the FPC connecting end, the FPC connecting end is turned over after alignment, pre-insertion is completed through the pre-insertion device, and push-insertion is completed through the push-insertion device; and finally, the pushed and inserted materials and the FPC connecting ends are pressed through the pressing buckle assembly, so that the FPC connecting ends of different sizes can be pushed and inserted, and different materials can be accurately connected with the FPC connecting ends of different models.

The utility model relates to the technical field of battery cluster testing, in particular to battery cluster testing equipment. The embodiment of the utility model provides a battery cluster test device comprising a plurality of test stations which are suitable for placing battery units; an electrical box is arranged on the test station, and the electrical box corresponds to the battery unit; wherein the battery units are electrically connected with the electrical boxes in a one-to-one correspondence manner. An original wiring mode is changed, a plurality of electrical boxes are arranged, and one electrical box is used for independently wiring one battery cluster, so that the problem of wrong wiring during wiring of a plurality of battery clusters is avoided.

The utility model relates to the technical field of supporting structures in a foundation pit, and discloses a supporting structure used in the foundation pit and convenient to disassemble and assemble, which comprises a supporting plate, a fixed seat is fixedly arranged on the inner side of the supporting plate, a sliding block is movably arranged in the fixed seat, two rotating blocks are movably arranged in the sliding block, and the two rotating blocks are fixedly arranged on the supporting plate. And a threaded rod is fixedly mounted at one end of one rotating block. Compared with a traditional structure, the structure has the advantages that the threaded rod and the threaded sleeve are convenient to disassemble and assemble through the cooperation between the fixed seat and the sliding block, and meanwhile, the two supporting plates are convenient to support through the cooperation between the threaded rod and the threaded sleeve; through the connection mode of the threaded rods and the threaded sleeves, the supporting plates are rapidly and accurately connected, complex installation and tedious disassembly steps in a traditional supporting mode are avoided, and the construction period is greatly shortened.

The invention particularly relates to a solar charging type dock and an unmanned ship, and relates to the technical field of unmanned ships, the solar charging type dock comprises an unmanned ship body and an upper bin body arranged on the upper side of the unmanned ship body in a communicating mode, a charging socket is installed on the rear side of the unmanned ship body, and inner slopes are obliquely arranged on the left side and the right side of the bottom of the unmanned ship body correspondingly; a plurality of clamping grooves are formed in the middle of the inner inclined face, the lifting movable plate can be arranged in the unmanned ship body in a suspended mode according to the magnetic principle that under the condition that a lower electromagnet in the unmanned ship body is powered on, the same poles of the lower electromagnet and an upper floating magnet repel each other, and a space frame on the lifting movable plate is used for installing electric appliance accessories of the unmanned ship. The rubber floating air bag is fixedly arranged on the periphery of the lifting movable plate, the buoyancy of the lifting movable plate can be improved, when the water level of water entering the unmanned ship body is high, the rubber floating air bag enables the lifting movable plate to float, and the water level of the water entering the unmanned ship body is high. Therefore, the use effect is improved.

The mounting base of the power transformer comprises a base body and a transformer body, a fixing plate is fixedly connected to the lower end face of the transformer body, a limiting groove is formed in the upper end face of the base body, and a movable groove and a moving groove are formed in the inner walls of the two sides of the limiting groove respectively. Two symmetrical connecting blocks are fixedly connected to the lower end face of the fixing plate, butt joint grooves are formed in the sides, adjacent to the movable grooves, of the connecting blocks, butt joint columns are movably connected into the butt joint grooves, and L-shaped clamping strips are fixedly connected to the ends, away from the connecting blocks, of the butt joint columns. And by using two L-shaped clamping strips and two butt joint columns, the connecting block and the base body can be fixed, rapid and accurate butt joint of the transformer body and the base body can be achieved, accurate installation and fixation are achieved, the installation efficiency of the transformer is improved, and the problems that repeated adjustment is conducted, and the working efficiency is reduced are solved.

The utility model discloses a desizing wastewater treatment pond which comprises a wastewater treatment pond, a plurality of airflow pipelines are uniformly arranged at the bottom of the wastewater treatment pond, a plurality of aeration discs are arranged on the airflow pipelines, the airflow pipelines are gathered to a main air pipe, and the main air pipe is communicated with an external air inlet pipeline. An air flow control box for adjusting the air flow in the air inlet pipeline is arranged on the air inlet pipeline, a rotating rod is rotationally connected to one side of the air flow control box, the rotating angle of the rotating rod corresponds to the air flow in the air inlet pipeline, and a rotating adjusting structure for adjusting the angle of the rotating rod is arranged on the rotating rod. The rotating angle of the rotating rod rotates according to the change of the liquid level of the wastewater treatment tank, and the wastewater treatment tank is provided with a water outlet facilitating water drainage; according to the treatment tank, the aeration can be changed along with the change of the liquid level in the tank, and the use effect is improved.

The invention belongs to the technical field of concrete beam column structures, and particularly relates to a beam column structure locally internally provided with thin-wall steel pipes and a mounting method of the beam column structure. By reasonably arranging the internally-arranged steel pipes and the reinforcing steel bars, the effects of reducing the dead weight of the structure and improving the bearing capacity are achieved. Due to the application of the steel pipe, the bending resistance and the shearing resistance of the concrete member are enhanced, and generation and expansion of cracks are effectively delayed. In addition, as the steel pipe has high strength and rigidity, the structure can still keep stable under the condition of high load, and is particularly suitable for occasions needing high bearing capacity, such as bridges and buildings. The stress characteristics of beam column components are fully considered, and a novel design method for internally-arranged steel pipe concrete is provided. Through detailed analysis of construction details and working principles, professional technicians can implement the method according to description, so that the safety and economical efficiency of an engineering structure are effectively improved. The shear resistance, the bending resistance and the overall stability of the structure are improved.

The invention relates to the technical field of manufacturing of micro parts of electronic equipment, in particular to a rotating shaft decorating part of a folding screen mobile phone and a preparation method of the rotating shaft decorating part. The rotating shaft decorating part comprises a metal connecting part, an injection molding part and a metal plate, and the metal connecting part comprises a first end extending in the vertical direction and a second end extending from the bottom of the first end in the transverse direction; the second end comprises a first side face and a second side face which are oppositely arranged in the vertical direction. The injection molding part comprises a wrapping part wrapping the first end, an extension part attached to the first side face and a reinforced connecting part extending in the vertical direction. The extension part is connected with the wrapping part, and the reinforced connecting part is connected with the extension part; the metal plate adheres to the second side face and the reinforcing connecting part and is welded to the second end. On one hand, the connecting strength of the injection-molded part and the metal connecting part is enhanced, the probability that the injection-molded part is separated from the metal connecting part is reduced, on the other hand, the connecting strength of the injection-molded part and the metal part is also enhanced, and the probability that the injection-molded part is separated is reduced.

The invention belongs to the field of offshore wind power, and discloses an on-board grouting pipeline automatic transporting and assembling method which comprises the steps that 1, a pipeline is clamped through a pipeline clamping, lifting and transporting device, and the pipeline is moved to a pipeline centering, clamping and transporting device; 2, the pipeline is clamped and conveyed through a pipeline centering, clamping and conveying device, so that the pipeline is centered, and the pipeline is conveyed to a pipeline assembling and butting device; and 3, the pipelines are subjected to up-down butt-joint assembly through the pipeline assembly butt-joint device. Pipeline sections are connected through threads, and automatic installation of the pipelines is achieved.

The utility model relates to the technical field of steel member welding, in particular to a steel member welding positioning device which comprises a workbench, a support and a collecting box, the workbench is provided with a blanking hole, the collecting box is arranged below the blanking hole, the support is fixedly installed on the workbench, and the steel member welding positioning device further comprises an abutting positioning assembly. The abutting positioning assembly comprises a positioning plate, an abutting plate, a guide rail and a moving component, the positioning plate is fixedly connected with the workbench and located at the top of the workbench, the abutting plate is slidably connected with the workbench through the moving component and located at the top, close to the positioning plate, of the workbench, and the guide rail is fixedly connected with the workbench and located at the bottom of the guide rail; the moving component is installed on the guide rail, connected with the abutting plate and drives the abutting plate to move, the steel components are positioned, clamped and fixed, connection between the steel components is more accurate, and the effect of improving the welding quality is facilitated.

The utility model discloses an efficient flushing device of a municipal water supply network, which comprises a flushing head, one end of the flushing head is fixedly connected with a connecting pipe, a clamping groove is arranged on the outer wall of the connecting pipe, an arc-shaped clamping block is movably connected in the clamping groove, one end of the connecting pipe far away from the flushing head is movably connected with a butt joint pipe, and a telescopic groove is arranged in the butt joint pipe. A locking groove is formed in one side of the arc-shaped clamping block, the telescopic groove communicates with the locking groove, a locking column is clamped in the locking groove, one end of the locking column is fixedly connected with a pulling rod, the pulling rod is slidably connected with the butt joint pipe, the outer surface of the pulling rod is sleeved with a spring, and through butt joint of the locking column and the locking groove, the arc-shaped clamping block can be locked through the locking column; the connecting pipe and the butt-joint pipe are fixed, the stability of the flushing head in the using process is guaranteed, meanwhile, the butt-joint pipe and the connecting pipe can be rapidly replaced in cooperation with using of a pulling rod and a spring cushion, the installing speed of the flushing head is increased, and the working efficiency is improved.

The invention relates to the field of liquid cooling heat dissipation, in particular to a battery pack series connection labyrinth cold plate and a battery pack, the battery pack series connection labyrinth cold plate comprises a liquid cooling plate body, the liquid cooling plate body is provided with a first flow channel circling inwards and a second flow channel circling outwards, and the first flow channel and the second flow channel are arranged in parallel at an interval; the adjacent first flow channels and second flow channels are located below the same battery cell, the first flow channels and the second flow channels are spirally arranged and are parallel to each other at intervals, cooling liquid enters from any flow channel and flows out from the other flow channel, the paths are the same, and the heat dissipation effects are the same, so that the first flow channels and the second flow channels can be used as inlet and outlet flow channels of the cooling liquid; the problem of cooling effect reduction caused by wrong connection of inlets and outlets is avoided; meanwhile, the first flow channels and the second flow channels are connected in series, so that original gas in the flow channels can be exhausted, and the whole flow channels are filled with the cooling liquid, so that the contact area between the cooling liquid and the cold plate is increased, and the cooling effect of the cold plate on the battery cell is better.

The present invention relates to the technical field of electronic connectors, and specifically to an electronic connector for an optical fiber communication product, comprising an electronic connector a and an electronic connector b connected to the electronic connector a, wherein the electronic connector b is provided with a connecting mechanism for assisting the precise connection with the electronic connector a during the connection process, and the connecting mechanism comprises a positioning plate a and a positioning plate b respectively connected to the electronic connector a and the electronic connector b. The purpose of the present invention is to provide an electronic connector for an optical fiber communication product, wherein the positioning plate a slides directionally on a guide plate, and the positioning rod slides inside a positioning tube to play a limiting role. With the cooperation of the two methods, the electronic connector a can be connected to the electronic connector b more accurately, thereby avoiding human misjudgment and deviation in the direction of force, which causes the connection ports of the electronic connector a and the electronic connector b to be unable to be precisely connected, thereby resulting in poor connection stability and poor versatility.

The utility model discloses an injection mold for an automobile instrument panel, which belongs to the technical field of injection molds and comprises a fixed mold and a movable mold, the movable mold is movably connected to the upper surface of the fixed mold, a bottom plate is fixedly connected to the lower surface of the fixed mold, a forming mechanism is arranged on the outer surface of the fixed mold, and a vibrating mechanism is arranged on the upper surface of the bottom plate. A motor drives a cam to rotate to continuously push a push plate to move inwards and drive the push plate to automatically reset under the action of a second spring, at the moment, a push rod and an impact ball can continuously move inwards to impact the outer surface of a fixed mold to enable the fixed mold to generate continuous vibration, and bubbles wrapped in a molten material are broken through intermittent and strong vibration; defects such as pits and hard spots on the surface of the formed automobile instrument board caused by residual bubbles are avoided, and the product quality is improved.

The invention belongs to the field of battery impedance detection, and particularly relates to a battery module and a detection method for abnormal installation of the battery module. A positive electrode contact; a negative contact; and the detection module is connected with the positive electrode contact and the negative electrode contact. Power is supplied to the detection module through the battery body, after the battery module is connected with equipment, the detection module collects voltage and current of a line in real time, and after collection is completed, data information of the voltage and the current is collected through the detection module. And according to an impedance calculation formula: dividing the voltage drop V of the two voltages by the collected current I to obtain the impedance R between the battery module and the equipment connecting end, so that the impedance between the battery module and the equipment connecting end can be detected in real time when the battery module is installed in the equipment, and the connection condition of the battery module and the equipment can be conveniently judged. Therefore, the contact condition of the battery module and the equipment can be known in real time, the safety of the battery is ensured in real time, and the equipment can be checked in time when the impedance is abnormal.

The utility model provides a light pipe braid production knitter which comprises an installation bottom plate, a braiding ring and a supporting disc, a supporting base is fixedly arranged on the upper end face of the installation bottom plate, a power groove with an upward opening is formed in the supporting base, a circular ring-shaped guider is fixedly arranged in the power groove, and the circular ring-shaped guider is arranged in the supporting base. The supporting disc is rotationally arranged in the guider, the supporting disc is in a circular ring shape, a plurality of fixing grooves are formed in the supporting disc, every two fixing grooves form a group, the fixing grooves are annularly arranged, and winding bases are fixedly arranged in the fixing grooves. According to the scheme, the rotating device in the supporting base is started to drive the supporting disc and the weaving ring to rotate reversely, the weaving ring is matched to rotate to gradually wind a spinning strip layer to the surface of the pipeline, the effect of winding and weaving the weaving layer on the surface of the light pipe is achieved, and the effect of precisely connecting the weaving layer to the surface of the light pipe is further achieved; and the subsequent production and output effect of the braided layer light pipe is facilitated.

The invention discloses a molten iron transportation system based on automatic driving and relates to the technical field of rail transit. The system comprises an automatic train monitoring subsystem used for generating a control plan and performing equipment control; the vehicle-mounted control subsystem is used for executing train protection and driving functions; the ground control subsystem is used for realizing train control and interlocking functions; the train autonomous sensing subsystem is used for detecting operation environment information; wherein the train automatic monitoring subsystem carries out data interaction with the ironmaking system and the steelmaking system and automatically generates a control plan based on a blast furnace tapping plan and a converter production plan, and the control plan is used for controlling automatic driving of the train. By implementing the technical scheme provided by the invention, the problem of transportation plan lag caused by lack of real-time data interaction of a molten iron transportation scheduling and production system in the prior art is solved, accurate connection of molten iron transportation and production rhythm is realized, and the production efficiency is improved.

The invention discloses a continuous performance testing device for filter production, and belongs to the technical field of filter testing equipment.The continuous performance testing device for filter production comprises a workbench, a tester is fixedly installed at the rear end of the top of the workbench, and a plurality of fixing frames are fixedly connected to the front end of the top of the workbench; and a plurality of positioning mechanisms are arranged in the center of the top of the workbench, clamping mechanisms are installed on the multiple fixing frames, and the multiple positioning mechanisms are close to the rear ends of the corresponding clamping mechanisms correspondingly. By designing the testing mechanism, a plurality of filter main bodies can be tested at the same time, accurate fine tuning can be performed before testing, the conductive spring pieces can be accurately connected with the terminals on the filter main bodies, the testing accuracy value is improved, the terminals at different specific positions on the filter main bodies can be connected, and the functionality is high.

The utility model provides a semiconductor thermistor temperature sensor, which relates to the technical field of temperature sensors and comprises a coating layer, a lead is fixedly mounted in the coating layer, a mounting shell is fixedly mounted at the bottom end of the coating layer, a circular groove is formed in the bottom end of the mounting shell, a side groove is formed in the inner wall of the circular groove, and the side groove is communicated with the mounting shell. A cylinder is arranged on the inner wall of the circular groove, a side block is fixedly installed on the surface of the cylinder, and a thermistor is fixedly installed at one end of the cylinder. According to the utility model, a worker is allowed to replace different thermistors according to actual application scenes, the flexibility and adaptability of the sensor are improved, the sensor can be suitable for wider temperature measurement requirements, rapid replacement of the thermistors is realized through a simple and visual mechanical structure, and the cost is reduced. A worker can complete the replacement of the resistor only through several simple steps without complicated tools or professional knowledge, so that the maintenance efficiency and the operation convenience are remarkably improved.

This utility model discloses a high coaxiality radio frequency connector, including a male and a female connector. The female connector has three sets of connecting plates on its outer periphery, and the male connector has three sets of insertion slots on its outer periphery that mate with the connecting plates. A disassembly component for separating the male and female connectors is located beside the insertion slots. The female connector is inserted into the insertion slot of the male connector via the connecting plates, completing the coaxial connection between the male and female connectors. This utility model, through the cooperation between the connecting plates of the female connector and the insertion slots of the male connector, and the correspondence between the fastening protrusions and the positioning slots, makes the connection between the male and female connectors more precise, effectively preventing displacement or deformation of the inner and outer conductors caused by frequent insertion and removal, maintaining stable coaxiality, and ensuring signal transmission consistency and reliability.

The portable mobile direct-current resistance testing device is provided with a mobile testing base, a double-arm bridge and a cable clamp, the double-arm bridge is arranged on the mobile testing base, and the cable clamp is detachably arranged on the mobile testing base. The portable mobile direct-current resistance testing device is provided with the mobile testing base, so that the whole set of device can be moved at will, a finished cable to be tested can be tested in a whole disc in any area, a part of the finished cable does not need to be cut out to be specially used for detection, and waste of the finished cable can be effectively avoided; meanwhile, the possible phenomenon that the cable is large at two ends and small in the middle is avoided, and the detection accuracy is ensured; and meanwhile, the special clamp is arranged, so that the connection between the cable and the double-arm bridge is more effective, and the test value is more accurate.

This utility model relates to a self-cleaning air inlet protection device and an air handling unit, including a main body assembly and a self-cleaning assembly. The main body assembly includes a first connecting member, a second connecting member, and a protective net. Both the first and second connecting members are cylindrical and connected by a snap-fit ​​structure. The protective net is hemispherical and connects to the second connecting assembly. The self-cleaning assembly includes multiple support rods, a drive shaft, an impeller, and a cleaning brush. The impeller drives the cleaning brush via the drive shaft to clean the convex surface of the protective net. This utility model's self-cleaning air inlet protection device can prevent debris from adhering and is easy to install and disassemble.

The invention discloses a cloth stacking device and a stacking method thereof. The cloth stacking device comprises a workbench, a lifting table is arranged above the workbench, a first electric push rod is arranged below the lifting table, a stacking plate is arranged above the lifting table, a feeding frame is arranged above the workbench, and a feeding roller is arranged on the inner side of the feeding frame; a first mounting frame is arranged on one side of the feeding frame, a second mounting frame is arranged above the first mounting frame, a first connecting plate is arranged on the inner side of the first mounting frame, a first clamping plate is arranged on one side of the lower end of the first connecting plate, and a second clamping plate is arranged above the first clamping plate; according to the stacking device, one end of the cloth is clamped and pulled out through the two clamping plates, the cloth is horizontally pulled out and flatly laid on the stacking plate repeatedly, the cloth is horizontally pulled out to avoid deviation, leveling treatment is conducted after each piece of cloth is stacked, wrinkles on the surface of the stacked cloth are prevented, and the cloth stacking effect is improved.

The utility model relates to the technical field of uncoiler sleeve manufacturing, in particular to a split type sleeve high-precision machining device, and solves the technical problems that when a sleeve is machined, the step fall between the sleeve and the bevel of a sector plate needs to be kept consistent, however, most of split type sleeve machining devices are used in groups only when machining operation is conducted independently, and machining efficiency is poor. It is difficult to ensure that the contact area of the sleeve and the sector plate is within a reasonable range, and sleeve machining accuracy is affected; according to the technical scheme, the split type sleeve high-precision machining device comprises a supporting assembly, a mounting assembly, a positioning assembly and a fixing assembly; compared with a traditional split type sleeve machining device, according to the split type sleeve machining device, due to the fact that most of the sleeves are independently machined, and when the sleeves are used in groups, the sizes of the sleeves have certain deviation, through the split type group machining mode, the machining operation process is optimized, it is clear that the axial distance of each group of sleeves is uniform, and the tolerance requirement is met; the production and processing accuracy is effectively improved, and the practical value of the device is enhanced.

The utility model discloses a steel structure installation quick connection structure which comprises a fixing frame, the top of the fixing frame is fixedly connected with a reinforcing plate, the reinforcing plate is provided with a threaded hole penetrating through the top of the fixing frame, the threaded hole is in threaded connection with a threaded rod, and the two ends of the fixing frame are provided with a through groove and a sliding groove. An adjusting mechanism matched with the through groove and the sliding groove is arranged in the fixing frame, a fixed clamping mechanism is connected to the bottom of the adjusting mechanism, the adjusting mechanism comprises sliding blocks and a lifting block, the two ends of the lifting block are slidably connected with the sliding blocks, and a sliding hole matched with the threaded rod is formed in the top of the lifting block; the top of the lifting block is in sliding threaded connection with the bottom of the threaded rod through a sliding hole, through the arrangement of the adjusting mechanism and the fixed clamping mechanism, a steel frame can be rapidly mounted and dismounted, the purpose of rapidly mounting a steel structure is achieved, the working difficulty of workers is reduced, it is guaranteed that a movable hole is accurately connected with a movable rod on the clamping mechanism, and the working efficiency is improved. And the building efficiency of the steel structure is improved.

The invention discloses a servo driver torque value detection device and a detection method thereof, and belongs to the technical field of servo driver detection. An electrifying assembly for electrifying the servo driver is mounted at the upper end of the conveying assembly; the quick connection type detection assembly is located below the conveying assembly and used for being connected with a servo driver; the quick connection type detection assembly comprises a first supporting plate, a second supporting plate, a double-group driving assembly, a rotation driving assembly, a detection structure, a connecting shaft, a rotating cylinder, a magnetic powder brake, a rotation supporting assembly and a calibration magnetic block. By means of the mode, all sets of servo drivers can be continuously fed and conveyed to the position above the quick connection type detection assembly through the speed multiplication chain, and continuous detection is achieved; according to the invention, automatic, rapid and accurate connection is realized through cooperation of the rapid connection type detection assembly and the servo driver; according to the invention, automatic and rapid electrification is realized through the electrification assembly.

The invention relates to the technical field of oil painting brush assembly, and particularly discloses an intelligent pen handle pushing mechanism applied to an automatic bristle loading machine, which comprises a first telescopic piece, a second telescopic piece, a third telescopic piece, a fourth telescopic piece and a fourth telescopic piece, and the first telescopic piece is mounted on a side plate through a mounting plate; and the output end of the first telescopic piece is provided with the first air blowing plate, and the first air blowing plate is provided with a plurality of first air blowing holes. According to the automatic hair filling machine, the air blown out of the first air blowing holes blows down the pen handles blocking the first air blowing holes, so that the pen handles located between every two adjacent first air blowing holes continue to stay on the top plate, and the situation that two or more pen handles which are sleeved together roll to the conveying belt and are conveyed to the automatic hair filling machine can be effectively avoided; therefore, the normal operation of the automatic bristle filling machine is ensured, and the damage of two or a plurality of pen handles which are sleeved together during the operation of the automatic bristle filling machine is effectively avoided.

The utility model discloses a European-style electric hoist strength testing device, which comprises a bottom plate, a supporting assembly, a testing body, a weight increasing weight, a suspension assembly and a connecting assembly, and is characterized in that the supporting assembly is mounted at the top end of the bottom plate; the testing body is detachably mounted at the top of the supporting assembly; the weight increasing weight is placed on the top of the bottom plate, is located on the inner side of the supporting assembly and is connected with the testing body through the hanging assembly; the connecting assembly is arranged between two adjacent groups of weight increasing weights; the connecting assembly comprises a sleeve, a connecting piece, clamping teeth, a rotating ring, meshing teeth, a winding wheel, a steel wire rope and a lead screw. Therefore, under the condition that the electric hoist does not descend, the weight can be quickly and accurately connected with the tested electric hoist, the situation that an operator frequently operates the electric hoist to ascend and descend is avoided, the burden of workers is relieved, and the testing efficiency is improved.

The invention relates to the technical field of the building industry, and discloses a fabricated steel structure and an installation method, the fabricated steel structure comprises frame columns and frame beams, and the frame columns and the frame beams are connected in a matched mode; the modular node units are detachably connected with the frame columns and the frame beams respectively; the modularized joint unit comprises a first connecting plate and a second connecting plate, the sides, deviating from each other, of the first connecting plate and the second connecting plate are suitable for being connected with one ends of the adjacent frame columns correspondingly, and a box type steel column section is arranged between the first connecting plate and the second connecting plate; the two ends of the box type steel column section are connected with the first connecting plate and the second connecting plate correspondingly. The modularized joint units are further provided with I-shaped steel beam ends, and the two I-shaped steel beam ends are connected with the two ends of the box type steel column section respectively in the extending direction of the frame beam.

The utility model discloses an assembly workbench device. The assembly workbench device is characterized by comprising a machine head tool table and a sewing workbench. The machine head tool table comprises a machine head mounting table plate, a first rack and a first connecting assembly. And the machine head mounting bedplate is fixedly arranged on the first rack. The sewing workbench comprises a feeding panel, a second rack and a second connecting assembly. And the feeding panel is fixedly arranged on the second rack. The sewing workbench is provided with a connecting station. The machine head tool table is detachably and fixedly connected into the connecting station of the sewing workbench through mutual cooperation of the first connecting assembly and the second connecting assembly of the sewing workbench.