75 results about "Single section" patented technology

A manufacturing method of a K-shaped derrick main body relates to the technical field of petroleum drilling and production equipment, and comprises the following steps: step 1, drawing a derrick borehole center line, a thigh center line, a thigh outer contour line and a plurality of groups of rack end surface sample lines on a platform; 2, main legs of all sections of racks of the derrick are uniformly placed and fixed to a platform according to a sample line, rack cross braces and inclined braces are installed, and positioning assembly positioning welding is carried out; thirdly, the section connecting single-lug plates and the double-lug plates on all the section racks are positioned and welded to the main legs according to the center lines of the thighs and the drawing sizes; fourthly, the center line of a well hole of the derrick is reversely guided and copied to each segment of rack, and proofing and hole punching are conducted; step 5, welding the single piece of the piece rack in a conventional mode, and connecting the single lug plate and the double lug plate in sections; sixthly, a numerical control floor type boring and milling machine is used for being matched with a plate bending tool to machine the end face of the rack, the section connecting single-lug plate hole and the double-lug plate hole to the required size; by means of the method, it can be guaranteed that the attachment faces between the single sections of the derrick are aligned and attached tightly, and the method has the advantages of being good in bearing capacity and stability.

The invention provides a vertical shaft double-layer steel shaft wall lifting system which comprises a base plate, a lifting rod parallel to a double-layer shaft is rotatably inserted in the base plate, a first limiting plate parallel to the base plate is fixed to the bottom of the lifting rod, and a second lifting lug is arranged at the top of the lifting rod. And the first limiting plate is rotated to be staggered with the base plate in a manner of rotating the lifting rod, so that when the double-layer shaft is lifted, the top surface of the first limiting plate can be in contact with and lift the bottom wall of the upper flange plate. The auxiliary mechanism is used for assisting in pressing the top wall of the upper flange plate corresponding to the first limiting plate in position before lifting. Hoisting connection is achieved by using the original pouring hole in the upper flange plate as a stress point, mounting and dismounting operation of the hoisting structure on the pouring hole can be efficiently completed before and after hoisting, the single-section hoisting efficiency of the double-layer shaft is improved, reutilization can be achieved, cost is saved, and it is ensured that the inner wall structure of the double-layer shaft is not damaged.

The invention discloses automatic press-fitting equipment for a deep groove ball bearing retainer and an elastic deformation compensation method, relates to the technical field of bearing processing, and is characterized in that aiming at optimization and improvement of a bearing piece, single-section pressing pocket pieces are arrayed in the annular direction of a shaft washer and are in mirror symmetry in the thickness direction, upper and lower pressing parts are staggered and overlapped, and a rubber elastic gap is reserved; the connecting rod is connected with all the single-section pressing pocket pieces through one-way / two-way slotting, the outer ring arc pieces are matched with the inner pressing blocks and the fastening rivet sleeves to strengthen the structural stability, the compensation method comprises the workpiece improvement stage and the press fitting improvement stage, and in the workpiece stage, staggered assembly of the single-section pressing pocket pieces and the outer ring arc pieces is completed. In the press-fitting stage, the upper end and the lower end of a bearing assembly are synchronously pressed through a press-fitting tool bit, a pressing head is matched with an outer ring arc piece to achieve uniform stress, and through the design of a separated retainer and symmetrical synchronous press-fitting, local stress concentration is effectively avoided, elastic deformation and ball damage are reduced, the bearing assembly quality is improved, and the service life of the bearing is prolonged. The method is suitable for large-scale production of various deep groove ball bearings.

The application relates to a construction method of an inner water pressure device of an ultra-large-caliber reinforced concrete pipe jacking pipe section, which comprises the following steps: S00, hoisting a bottom blocking plate; S10, installing a pipeline and a positioning sleeve ring; S20, installing a top blocking plate; S30, performing an inner water pressure test on a single pipe section; S40, installing a pipe section splicing support and hoisting a lower pipe section; S50, installing a pipe section interface splicing device and splicing an upper and lower pipe jacking pipe section; S60, assembling a hoisting type pipe jacking interface inner water pressure test device; S70, installing the hoisting type pipe jacking interface inner water pressure test device; S80, performing an inner water pressure test on a pipe section interface; and S90, installing a pipe jacking interface opening angle positioning device. The application has the advantages that a pipe jacking pipe section interface splicing device and a pipe jacking inner water pressure counter-pulling adjustment test frame are adopted, the structure design is ingenious, assembly is convenient, the positioning sleeve ring can be used for adjusting the perpendicularity of the pipe section, the sealing property of the structure can be maintained, the leakage phenomenon is reduced, the reliability of detection data is improved, and remarkable economic benefits are achieved.

The application discloses a kind of rigid-flexible composite connecting devices for multi-section pipeline robot, comprising: connecting component I and connecting component II;Connecting component I includes mounting seat I, cable assembly and butt joint ball rod;Connecting component II includes mounting seat II, ball head guide assembly and ball head limiting assembly;One end of cable assembly is connected with mounting seat I, the other end is connected with mounting seat II;Ball head guide assembly and ball head limiting assembly are arranged on mounting seat II;One end of butt joint ball rod is connected with mounting seat I, the other end is provided with ball head, ball head guide assembly is provided with the guide channel along the axial direction in, ball head can enter and exit ball head limiting assembly along guide channel;The present application can realize rigid-flexible switching connection, with autonomous docking function, pipeline adaptive ability is strong, the overbending problem of multi-section pipeline robot is converted into the overbending problem of single-section pipeline robot, can pass through small curvature radius narrow bend and T type pipeline, improve the overbending of multi-section robot.

The invention discloses a radial gate modular manufacturing method, which relates to the technical field of radial gate manufacturing, and comprises the following steps: performing primary correction on each workpiece according to a primary deviation detection result to obtain a primary corrected workpiece group; scanning the workpiece group after primary correction to obtain a three-dimensional model of the workpiece group, simulating and assembling the three-dimensional model of the single gate leaf group according to the three-dimensional model of the workpiece group to form a three-dimensional model of the single gate leaf group, and performing secondary deviation detection on the three-dimensional model of the single gate leaf group according to the design model of each single gate leaf, performing three times of deviation detection on the three-dimensional model of the single-leaf door leaf structure according to the design model of the single-leaf door leaf structure, assembling the corrected single-section door leaf into the single-leaf door leaf structure, and performing radian detection on the assembled single-leaf door leaf structure, and the standard single-section gate leaf group passing the radian detection is conveyed to a construction site for on-site assembly of the radial gate. The radial gate field welding construction procedure is simpler, the production efficiency is high, and the construction accuracy is high.

The invention discloses a ship mooring part split design method based on multi-process forming parameter optimization, and relates to the technical field of ship structural part precision forming and process optimization design. The method comprises the following steps: generating a plurality of candidate split structure schemes and corresponding multi-process forming paths; working procedure state vectors used for representing the equivalent stiffness, the plate thickness change and the residual stress after the single-section structure is formed are constructed; establishing a cross-process state association mechanism based on process state vector recursion; based on the cross-process state correlation mechanism, stability analysis is conducted on forming parameters within the process disturbance range, and a forming parameter robust value interval meeting the target assembly precision requirement is determined; and performing quantitative comparison and optimization on each candidate split structure scheme based on the value interval. The technical problems that in the prior art, split design of ship mooring pieces depends on experience, the multi-process forming coupling effect is difficult to quantitatively evaluate, the assembly precision is difficult to guarantee, and the process robustness is insufficient are solved.

The embodiment of the invention discloses a measurement method for improving the precision of laser measurement of the fitting linearity of a low-rigidity rotary body, and the method comprises the steps: placing a measured rotary body at a plurality of preset rotation angles, and moving the measured rotary body from one end of the measured rotary body to the other end of the measured rotary body through a laser distance measurement sensor for measurement, the coordinate of the fitting circle center O of the single section position of the measured rotary body is calculated; calculating the maximum enveloping circle of the fitting circle center of the single section of the measured revolving body; compensating and measuring the downward movement amount of the coordinate of the fitting circle center O of the single section due to self weight, and compensating the fitting circle center O to obtain the coordinate of the compensated fitting circle center O of the single section; coordinates of the compensation fitting circle centers O of the multiple sections are obtained, and the straightness error of the measured rotary body is calculated. The problems that pits, scratches and abnormal reflection on the continuous highest point position of the side face of the rotary body part affect measurement and recognition of the highest point, and bus dislocation affects measurement precision are solved.

The invention relates to an assembly type side box composite beam bridge location modular suspended splicing construction method. The method comprises a single-segment construction method, wherein the single-segment construction method comprises the steps of S100, construction preparation, S200, side main beam installation, S300, cross beam installation, S400, small longitudinal beam installation, S500, segment measurement and adjustment, S600, high-strength bolt construction, S700, side main beam top plate welding, S800, anticorrosive paint coating, S900, stay cable hanging and initial tensioning and S1000, bridge deck slab hoisting. The steel beam segments are divided into a plurality of modules which can be spliced and connected, such as the side main beams, the cross beams and the small longitudinal beams, and are temporarily fixed through hoisting alignment and temporary bolts, so that segment measurement and overall adjustment can be uniformly implemented after the side main beams, the cross beams and the small longitudinal beams are spliced, and the linear control precision and the overall splicing stability are remarkably improved.

The invention belongs to the technical field of crawler belt moving platforms, and particularly relates to a single-section crawler belt moving platform which comprises a vehicle body, a vehicle head, a crawler belt driving motor, a steerable crawler belt, a driving belt wheel transmission structure, a driving belt wheel, a driven belt wheel, a driving belt wheel shaft, a driven belt wheel shaft, a steering driving motor and a steering transmission structure. The steerable crawler belt is integrally arranged on the outer side of a whole formed by the vehicle body, the vehicle head, the steering transmission structure, the driving belt wheel and the driven belt wheel in a sleeving mode, and the driving belt wheel and the driven belt wheel are meshed with tooth-shaped faces on the inner sides of annular grooves of the steerable crawler belt respectively. A plurality of V-shaped steering notches are evenly formed in the peripheral edges of the two sides, in the length direction, of the steerable caterpillar band respectively. The vehicle head of the single-track moving platform can rotate relative to the vehicle body, steering of the single-track moving platform is achieved, operation is stable and reliable, the requirements for miniaturization and light weight of detection robots in narrow and complex space after disasters are better met, and the application occasion is wider.

1. Name of the product in this design: Single-phase single-section guide rail meter (EM145-M). 2. Purpose of this design: This design is used for electricity metering. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The embodiment of the utility model discloses a rotor structure and a motor. The rotor structure comprises a rotor core and a sheath layer. The sheath layer is wound on the rotor core and wraps the outer circumferential surface of the rotor core in the circumferential direction, the sheath layer is arranged in a segmented mode in the axial direction, and a sheath gap is formed between the side edge of a single segment of the sheath layer or between every two adjacent segments of the sheath layer; wherein the sheath layer is made of a fiber material. According to the rotor structure, the section-shaped annular sheath structure is formed by wrapping the sheath layer, and tension control is applied to the fiber material in the wrapping process, so that pressure stress is formed on the surface of the rotor iron core after the annular sheath structure is formed, and the rotor iron core has certain prestress, so that the iron core has the capability of resisting larger centrifugal force; the maximum working speed of the rotor is improved. Besides, compared with a sleeve-shaped structure, the sheath layer arranged in a segment shape can ensure that pressure stress is formed on the surface of the rotor iron core, and can save production cost at the same time.

This invention belongs to the field of building construction technology and discloses a method for determining concrete drop parameters. The method includes the following steps: conducting multiple sets of simulation tests, the simulation tests including pouring concrete into the inner cavity of a duct structure and measuring the test velocity v of the concrete flowing out from the bottom of the duct structure. i According to formula v i =[2g(H-nδ) j )] 1 / 2 Calculate the test height δ for each group of simulation experiments. j and the test height δ of multiple sets of simulation tests j The average value is calculated and set as the single-section loss height δ; based on the construction conditions and the formula v=[2g(H-nδ)] 1 / 2 The method calculates the falling velocity v, the pouring height H, or the number of cylinders n. This method for determining concrete falling parameters clarifies the quantitative relationship between cylinder height, number of cylinders, and energy loss, significantly improving the accuracy of concrete falling parameter calculations and ensuring the quality of structural construction.

The utility model belongs to the technical field of pipeline groove foundation pit supporting, and provides a groove foundation pit supporting system which comprises a rib plate, a support and four stand columns. The four stand columns are located at the four corners of the rectangle respectively. The rib plates are arranged along the rectangular longitudinal edges, and the two ends of each rib plate are in sliding fit with the two stand columns on the same longitudinal edge respectively; the supports are arranged along the transverse edges of the rectangle, and the two ends of each support are connected with the two stand columns on the same transverse edge through bolts. The trench foundation pit supporting system can be reversibly used for construction and supporting while excavation, the stand columns and the rib plates do not need to be embedded below the trench bottom, all the components are in a prefabricated assembly mode and can be completely recycled and reused, and compared with traditional Larsen steel sheet piles, the trench foundation pit supporting system can greatly save the construction period, is better in economical efficiency and environmental protection performance and better conforms to the green low-carbon environmental protection concept. The stand columns, the rib plates and the supports are all standard profile steel components, the supporting rigidity is large, the single-section supporting span is large, and pipeline hoisting is not affected. Connecting holes are formed in the whole vertical rib of the stand column, and the vertical position of the support can be flexibly adjusted.

The utility model belongs to the technical field of overhead working trucks, and particularly discloses a supporting leg mechanism capable of being rapidly stretched, retracted and folded and an intelligent overhead working truck. The supporting leg mechanism comprises a first-stage horizontal supporting leg, a second-stage horizontal supporting leg, a horizontal hydraulic cylinder, a third-stage horizontal supporting leg, a rotating motor and a vertical supporting leg, a multi-section arrangement mode is adopted, and the second-stage horizontal supporting leg, the third-stage horizontal supporting leg and the vertical supporting leg are driven by the horizontal hydraulic cylinder to move relative to the first-stage horizontal supporting leg. Therefore, the single section drives the whole body to extend and shorten. When the second-stage horizontal supporting leg stretches out and draws back relative to the first-stage horizontal supporting leg, the third-stage horizontal supporting leg rotates relative to the second-stage horizontal supporting leg under the driving of the rotating motor, and the vertical supporting leg rotates relative to the third-stage horizontal supporting leg under the action of the gravity of the vertical supporting leg, so that the last-stage section can be rapidly stretched out and folded back; therefore, the stretching and retracting action time of the supporting leg mechanism is effectively shortened, and the working efficiency of the overhead working truck is improved.

The application discloses a joint type broken line standard model magnetic levitation turnout line shape design method and a turnout, solves the problem that the existing turnout line shape is difficult to meet the demand of different grade lateral passing speed turnouts in actual engineering, and fills the blank of the joint type broken line high-speed magnetic levitation standard turnout line shape design method. v The method comprises the following steps of S1, determining a lateral passing speed of the turnout ( t ) and a standard model of the turnout, and determining a total switching angle required by the turnout according to the standard model; y n S2, based on the principle of "straight line simulating curve", the optimization solving and screening of the turnout line shape parameters are carried out under the comprehensive constraint conditions of meeting the requirement of a turnout terminal point lateral offset amount ( n ), a turnout beam length modulus constraint and a turnout checking calculation index, wherein the line shape parameters at least comprise a turnout segment number ( l ) and a single segment turnout beam length ( L ); and S3, outputting the line shape parameters meeting all the constraints and the shortest turnout total length as the optimal design.

The utility model relates to the technical field of foundation pit supporting, and discloses a cantilever supporting structure which comprises a supporting cross beam plate, and moving blocks which are symmetrically arranged are arranged in the supporting cross beam plate. A screw rod for driving the two groups of moving blocks to be far away from or close to each other is rotationally mounted on the supporting cross beam plate through a bearing; according to the cantilever supporting structure, the length of a single-section rod body can be designed to be any, the overall length is increased through mutual splicing of the multiple sets of rod bodies, and therefore the distance between the two sets of supporting plates is adjusted, the traditional inner and outer pipe sleeving telescopic design is effectively broken through, and larger-range distance adjustment is achieved; even if the depth of a foundation pit is increased, good adjusting performance can be kept, the using effect of the structure is improved, and therefore the connecting strength between the rod bodies on the two sides is improved, the cantilever supporting effect is improved, and the actual using requirement is met.

The utility model belongs to the technical field of civil engineering, and particularly relates to a quick-connection precast concrete pipe joint device which comprises a first pipeline and a second pipeline, the first pipeline and the second pipeline are of the same type, one end of the first pipeline and one end of the second pipeline are provided with bellmouths, and the other end of the first pipeline and the other end of the second pipeline are provided with nuts. The ends, away from the bellmouth, of the first pipeline and the second pipeline are provided with inserting openings, and the periphery of the bellmouth is in threaded connection with a plurality of evenly-distributed bolts. The bellmouth and the spigot are respectively arranged on the first pipeline and the second pipeline, and the bolts are matched and connected with the threaded holes, so that compared with a traditional connecting mode, complicated operation and waiting time are not needed in the mounting process. A constructor only needs to insert the spigot of the first pipeline into the socket of the second pipeline and then tighten the bolt, so that connection can be completed, the connection time of a single section of pipeline is greatly shortened, and in a large-scale pipeline laying project, the construction progress can be remarkably accelerated, the construction efficiency is improved, and the labor cost and the construction period are saved.

This invention relates to the field of marine engineering and shipbuilding technology, and in particular to a construction process for the pile legs of a self-elevating wind power installation platform. The unfolded cutting length of the cylindrical steel plate is L1 = DP + δ1 + δ2 - δ4. The allowance on both sides of the steel plate is L2 = L3 + δ1 + δ2 = L3 + 4 based on the width of a single cylindrical section. The cutting must ensure that the straightness error is no greater than 1 / 1000 and ≤5mm, the perpendicularity error in the plate thickness direction is no greater than 1mm, the cutting bevel angle error is ±1°, the cutting depth is no greater than 0.5mm, and the parallelism of the unfolded cutting line is less than 2mm. Thin-layer, narrow-channel, multi-pass welding is used during welding, which can effectively reduce welding deformation and avoid incomplete fusion and slag inclusion defects in full penetration fillet welds. The welding qualification rate is over 98%, which not only has good quality, but also reduces deformation caused by repair welding, reduces costs, and shortens the construction period.

The invention relates to an integrally formed ventilating duct connected by outer flanges, which comprises a plurality of ventilating duct bodies, outer flanges, mounting holes, triangular ribs, bolts, nuts, gaskets, ring seats and ring covers which are sequentially connected end to end, the ventilating duct bodies are integrally formed mechanisms, and the outer flanges are arranged on the outer sides of the two ends of the ventilating duct bodies; a plurality of long-strip-shaped mounting holes are formed in the outer flange in the circumferential direction; the installation efficiency is greatly improved, the construction cost is remarkably reduced, the rapid centering design and the oblong hole installation hole allow the adjustment allowance of + / -5 mm in the axis direction of the pipeline, the centering difficulty is reduced by 70%, the installation time of a single-section pipeline is shortened to 12-18 min from 30-45 min of a traditional mode, the preassembly type structure is adopted, all parts are prefabricated in a factory, only simple assembly is needed on site, and the installation cost is reduced. On-site processing and adjusting procedures are reduced, the operation process is standardized, the clear seven-step installation method enables the construction quality not to depend on experience of workers, and the training period of new workers is shortened by 50%.

The invention discloses a multi-mode profile steel cutting robot and a working method, and belongs to the technical field of profile steel cutting, the multi-mode profile steel cutting robot comprises a truss, a walking mechanism is arranged at the bottom of the truss, a driving mechanism is arranged on the truss, a cutting head is arranged at the bottom of the driving mechanism, and the cutting head can be driven by the driving mechanism to move and swing. The traveling mechanism drives the driving mechanisms to get close to the material frame, and when the material frame is perpendicular to the truss and the sectional materials are parallel to the truss, the cutting tasks on the single sectional materials are distributed to the driving mechanisms according to areas to cooperatively complete cutting; and when the material frame is parallel to the truss and the profiles are perpendicular to the truss, the cutting tasks of the multiple profiles are distributed to all the driving mechanisms according to areas to cooperatively complete cutting. The problems that existing equipment is large in fixed occupied area and low in cutting efficiency and depends on a special material frame are solved, and flexible movement, multi-mode efficient cutting and self-adaptive machining operation of a common plane material frame are achieved.

The utility model relates to the technical field of cold-pressed section steel processing equipment, in particular to a cold-pressed section steel straightening device with a traction mechanism, which comprises a base, a mounting plate fixedly mounted at the top of the base, a vertical straightening roll mounted on the side surface of the mounting plate, and a horizontal straightening roll mounted on the side surface of the mounting plate. The side face of the base is fixedly connected with an output frame and an input frame, the output frame and the input frame are symmetrically arranged on the two sides of the base, the tops of the output frame and the input frame are provided with a conveying belt structure, the side face of the mounting plate is fixedly provided with a traction assembly, and the top of the output frame is fixedly provided with a guide assembly; the straightening device has the beneficial effects that continuous feeding of cold-pressed section steel is achieved through the automatic traction assembly and the guide assembly, frequent manual operation is not needed, the production efficiency is greatly improved, meanwhile, the straightening process is smoother through cooperative work of the straightening device and the traction assembly, and the straightening time of single section steel is further shortened.

The utility model discloses a launder system for molten aluminum conveying, and relates to the technical field of molten aluminum conveying, a plurality of launder prefabricated parts are installed along the conveying direction, and each launder prefabricated part is provided with a boss and a groove, so that the launder prefabricated parts can be quickly installed and positioned in sections, when a single section is damaged, a concave-convex structure is conveniently and quickly replaced, and the working efficiency is improved. Meanwhile, the splicing seam can be pressed through the self weight, the problem that molten aluminum is prone to permeating when flowing through the splicing seam is solved, and therefore a complete conveying line is formed, and the situation that the launder prefabricated part shifts due to the acting force of molten aluminum flowing in the running process is prevented through impermeable layers installed on the two sides of the launder prefabricated part; heat loss of molten aluminum in the long-distance conveying process is reduced, meanwhile, thermal deformation of a shell of a steel structure is avoided, impurities in the molten aluminum are filtered through the installed filter plate, the inner wall of a flowing groove of the flowing groove prefabricated part is automatically cleaned through the cleaning mechanism, and therefore the quality of the subsequently conveyed molten aluminum is guaranteed.

The invention relates to a chain link twisting and winding forming device and method, the chain link twisting and winding forming device comprises a fixed guide spiral and a core column rotating in the guide spiral, the section of the core column is in a long circle shape, during machining, one end of a metal rod is bent into a hook and hooked to the outer ring of the core column, the core column rotates, and the hook rotates along with the core column so that the metal rod can be wound around the core column; the end part of the hook rotates to the end part of the guide spiral and enters the space between the adjacent spiral lines, and the metal rod wound on the core column moves along the length direction of the core column under the guide action of the guide spiral, so that a spiral rod is formed; the same position of each circle of the screw rod is cut off, so that a plurality of single-section rods are formed; and finally, the single-section rods are flattened, so that the two ends of each single-section rod are in butt joint, and chain links are formed. According to the invention, a mode of integrally twisting and then cutting off is adopted, so that the chain link is processed and formed, and the processing efficiency is high.

The application discloses an array displacement meter convenient for field use, which comprises a data collection box and single-section displacement meters connected in series, the data collection box is connected to the first single-section displacement meter through a cable and a cable joint in sequence, the first single-section displacement meter is connected to the next single-section displacement meter through a rotating mechanism and a flexible joint in sequence, a trigger locking mechanism is arranged on the side of the single-section displacement meter, and the connection mode of each single-section displacement meter is same; the single-section displacement meter is further provided with a winding frame body, the single-section displacement meter is wound and fixed on the winding frame body in an unused state, the winding frame body serves as a fixing device of the remaining single-section displacement meters in a used state of the single-section displacement meter, a platform for fixing the data collection box is arranged in the winding frame body, and a power supply for supplying power for the data collection box is arranged. The application has better field adaptability, and is convenient for early transportation and late installation and use through the re-design of the structure.

The invention relates to a multi-joint reconfigurable flexible control unit technology based on visual navigation in a narrow space, and belongs to the technical field of special mechanical arms. The technology comprises an ultra-redundant rope-driven mechanical arm mechanical system and a control system. The mechanical system is composed of a driving base, a hollow hose, a hollow rod, a displacement table and a connecting rod set. The driving base is provided with a linear driving device distributed in the circumferential direction, a driving line is controlled to move through a lead screw guide rail module, a driving line guiding mechanism and a line outlet structure are arranged, and pre-tightening, guiding and low-friction transmission of a rope are achieved. And the hollow hose isolates the driving part from the mechanical arm working part, so that the environmental adaptability is improved. The displacement table is attracted to the outside of a narrow space through the magnetic gauge stand, the vertical movement freedom degree is provided through the lead screw guide rail module, and the working space is enlarged. The connecting rod set adopts redundant joint design and is composed of hollow connecting rods connected through universal joints, rapid reconstruction is achieved by changing the length of the connecting rods and the number of the joints, and the end effector is integrated with a visual sensor and supports visual navigation and detection tasks. A single-section connecting rod is driven by three ropes which are arranged at intervals of 120 degrees, and driving wires are arranged in a shared routing passage mode. The control system takes a core controller as a center, comprises a driving line driving module, a mechanical arm position and posture feedback module, a sensing module acquisition module and a position and posture rapid adjustment module, realizes kinematics decoupling, encoder real-time position and posture feedback, multi-sensor information fusion and manual rocker intervention, and ensures flexible and stable operation in a narrow and complex space. According to the invention, the problems of visual blind area and unreachable operation in a narrow space are solved, and the system has high flexibility, reconfigurability and strong load capacity, and is suitable for detection, maintenance and assembly tasks in the fields of aerospace, electronics, weapons and the like.

The utility model relates to a tap water valve control rod which comprises a clamping sleeve, a single-section cross shaft universal joint, a straight rod with the fixed length and a control rod handle, the straight rod serves as a rotating rod, the lower end of the clamping sleeve is connected with a valve handle of a tap water valve in a bayonet mode, and the upper end of the clamping sleeve is connected with the output end of the single-section cross shaft universal joint. The input end of the single-joint cross shaft universal joint is connected with the lower end of the rotating rod, the upper end of the rotating rod is connected with the control rod handle, and the tap water valve can be operated by rotating the control rod handle.

The invention discloses a mutual inductor corrugated expander stretching self-adaptive oiling device, and belongs to the technical field of electrical equipment, the mutual inductor corrugated expander stretching self-adaptive oiling device comprises a lifting component, the lifting component comprises a corrugated expander, and a clamping assembly used for clamping the corrugated expander is arranged above the corrugated expander; an air bag used for being flexibly connected with the corrugated expander is arranged in the clamping assembly, a plurality of limiting plates used for limiting corrugations on the corrugated expander are arranged on the side face of the corrugated expander, and the limiting plates are connected with corrugation gaps on the corrugated expander in a clamped mode. Through the clamping connection of the limiting plates and the corrugation gaps and the linkage design of the abutting rods and the stepped abutting plates, section-by-section independent stretching from the bottommost corrugation is achieved, only a single section of corrugation is stretched each time, it is guaranteed that the stretching stroke of each section of corrugation is strictly matched with a preset value, and the problem that the deformation amount is not uniform when multiple sections of corrugations are synchronously stretched is solved; and stress concentration and structural collapse caused by excessive stretching of local corrugations are avoided.

The utility model relates to the technical field of building construction, and discloses a template moving device which comprises two groups of bearing beams, moving components are arranged at two ends and the bottoms of the two groups of bearing beams, and the moving components are used for flexibly moving the position of the whole device. According to the movable formwork device, the adjusting assembly is installed, a traditional formwork supporting construction technology is broken through, and compared with traditional construction technologies adopting an all-round scaffold, a simple formwork and the like, assembly and disassembly are easy, convenient and rapid, the manual work amount is greatly reduced, and the labor intensity of workers and the labor cost are reduced; and meanwhile, the steel pipe material purchasing cost, the mounting and dismounting labor cost, the matching machine cost and the like are greatly reduced. The integral large steel die is adopted for the single-section water delivery gallery, split bolts and bolt hole repairing are avoided, the concrete surface is seamless, the flatness of the concrete surface is improved, cracks are reduced, the color of the concrete surface is uniform after pouring is completed, and the appearance quality of the gallery concrete is remarkably improved.

The utility model discloses special screw equipment for large-length-diameter-ratio spinning, which relates to the technical field of spinning equipment and comprises a bottom plate and vertical plates, the vertical plates are fixedly arranged on two sides of the upper surface of the bottom plate, a first pipe body is fixedly arranged on the upper side of the vertical plate on one side, and a second pipe body is fixedly arranged on the upper side of the vertical plate on the other side. A third pipe body is arranged between the first pipe body and the second pipe body, conveying screw rods are rotationally arranged in the first pipe body, the second pipe body and the third pipe body, a first motor is fixedly arranged on the outer side of the first pipe body, and the output end of the first motor is fixedly connected with one end of the corresponding conveying screw rod; and an extrusion head is fixedly installed at one end of the outer side of the second pipe body, a supporting plate is fixedly arranged in the middle of the upper surface of the bottom plate, and a limiting block is fixedly arranged on the upper surface of the supporting plate. The device can be divided into three sections, the length of a single section is short, and maintenance and cleaning are convenient.