123 results about "Bridge type" patented technology

The utility model belongs to the technical field of the shell fragment, and disclose a kind of combination bridge type shell fragment, including crossbeam, the lower surface of crossbeam is fixedly connected with first shell fragment, the lower surface of crossbeam is fixedly connected with second shell fragment, the lower surface of crossbeam is fixedly connected with insulating film, double-faced adhesive is provided on insulating film, first shell fragment, second shell fragment are provided with multiple shell fragment pressing area.Installation by the way of assembly, assembly can be disassembled, it is convenient to detect, repair or replace damaged part, without replacing entire shell fragment, reduce maintenance cost, modular design can realize the standardization and reuse of parts in batch production, reduce mould and production time, to reduce production cost, it is convenient to be integrated into integral system quickly, shorten assembly time, with high reliability, good elastic response and excellent electrical safety performance, ensure that shell fragment still can keep good conduction state under multiple plug or working environment change, guarantee the smoothness of pressing and disconnecting action.

The application provides a structure multi-form swivel construction error elimination method, belongs to the field of bridge construction error control, and is used for solving the problems that the structure multi-form swivel construction error elimination method in the related art has single-link optimization, poor adaptability, weak cooperation and cannot meet the accurate error control of beam bridges, arch bridges and cable-stayed bridges in horizontal swivel, vertical swivel and combined swivel. The method first identifies the bridge type and the swivel form, constructs a full-link framework containing multiple units and cross-layer cooperation, generates an adaptive physical field module and anti-noise processes data, dynamically optimizes pre-correction instructions after multi-agent stage prediction, and forms a closed loop through sensitivity-driven iterative optimization. The method can realize accurate error control of multi-form swivel, and improve adaptability and cooperation.

The utility model discloses a bridge type steel expansion joint cleaning device relates to bridge maintenance technical field, including the grip lever, and the adjustable length adjusting lever is arranged in the grip lever, and the tail end fixed mounting of grip lever has the anti -drop handle, is provided with length locking mechanism on the grip lever and length adjusting lever, and the bottom of length adjusting lever is provided with the cleaning plate angle adjusting mechanism, is provided with the cleaning plate on cleaning plate angle adjusting mechanism, and the adjustable shovel knife is arranged on the cleaning plate, and is provided with shovel knife fixing mechanism on the cleaning plate and shovel knife, and is provided with cleaning illumination mechanism on length adjusting lever, in the utility model, through the setting of cleaning plate, shovel knife, cleaning plate angle adjusting mechanism, shovel knife fixing mechanism, cleaning illumination mechanism, length adjusting lever, length locking mechanism etc. structure, can shovel and dig out stubborn material, and the cleaning effect of expansion joint is better, and main spotlight and side photo lamp can light the space in expansion joint, and the expansion joint is observed conveniently, and the use of device is convenient.

The application relates to the technical field of logistics storage, and discloses a bridge type material box stacking machine which comprises a first walking mechanism, a second walking mechanism, a rotating mechanism, a stand column, a lifting mechanism, a cargo carrying mechanism and a brake mechanism. The brake mechanism comprises a first mounting seat, a telescopic cylinder and a brake assembly, the first mounting seat is fixedly connected to the stand column, a first containing cavity is arranged in the first mounting seat, the brake assembly is movably arranged in the first containing cavity, the telescopic cylinder is fixedly connected in the first containing cavity, the telescopic cylinder is provided with a push rod, the push rod is connected to the brake assembly, and the telescopic cylinder drives the brake assembly to move in a third direction. The first direction, the second direction and the third direction are perpendicular to each other. Compared with the prior art, the bridge type material box stacking machine can reduce the probability of gear fracture or plastic deformation and improve the use stability of the stacking machine.

The invention discloses a large-stroke-high-frequency-response cascade cross-scale cutter servo device and a control method. The large-stroke-high-frequency-response cascade cross-scale cutter servo device comprises a cutter mounting platform, a flexible guide mechanism, a capacitive displacement sensor, a piezoelectric actuator, an upper cover plate, a lower cover plate, a measuring baffle, a left side plate, an amplification output block, a pre-tightening wedge block, a base body and the like. The flexible guide mechanism is composed of flexible hinges, installed in the base body and symmetrically distributed, the two piezoelectric actuators are embedded into the flexible guide mechanism and arranged at the front end and the middle of the flexible guide mechanism respectively, and the large piezoelectric actuator adopts a lever displacement amplification mechanism for transmission of a thick platform. A bridge type displacement amplification mechanism is adopted for transmission of the small piezoelectric actuator to be used for a fine platform, a cutter installing platform is installed at the position of a cutter holder at the front end of the flexible guide mechanism, an upper cover plate and a lower cover plate are used for installing capacitive displacement sensors and fixing the flexible guide mechanism respectively, and the capacitive displacement sensors are arranged in the middle of a base body of the flexible guide mechanism and on the rear side of the base body respectively.

The utility model belongs to the technical field of liquid cooling plates, and particularly relates to an arch bridge type reinforced wide-flow-channel fin liquid cooling plate, which comprises a liquid cooling plate, a lower substrate is welded at the top of the liquid cooling plate, an upper substrate is welded at the bottom of the liquid cooling plate, and a flow channel cavity is reserved in a whole formed by the liquid cooling plate, the lower substrate and the upper substrate. The transverse beams and the vertical beams which are arranged in a staggered mode are arranged to support the lower base plate and the upper base plate, so that the interior of the runner cavity is reinforced, the overall structural strength is improved, the battery bulging phenomenon is reduced, the arc-shaped grooves are formed, cooling liquid can normally circulate when flowing through the transverse beams through the arc-shaped grooves, and the cooling effect is improved. According to the liquid cooling device, the cooling liquid can be guided to flow, the cooling liquid can be buffered and kept stable by forming the first transition round corner, air bubbles are prevented from being generated when the cooling liquid flows out by forming the second transition round corner, noise generated during liquid cooling is further reduced, and material corrosion is reduced.

The application discloses a kind of double-bridge type hoisting equipment anti-interference trajectory tracking and anti-swing control method, construct the dynamics model of variable rope length double-bridge type hoisting equipment under the condition of unknown external disturbance, the dynamics model is expressed as the dynamics model of cascade system form by separating the dynamics model of energy drive state and cannot drive state, the actual coordinates of load centroid are subtracted from the desired trajectory vector of load centroid to obtain trajectory error vector, the load position error integral is obtained by trajectory error vector, then LSNF function is constructed, position control parameter matrix and speed control parameter matrix are defined, then pseudo-controller is constructed, speed error vector is constructed, finally actual controller is constructed according to speed control parameter matrix, speed error vector, trajectory error vector, pseudo-controller and the dynamics model of cascade system form.Using the technical scheme, the load positioning is more accurate, and the anti-interference ability of cable is stronger.

This utility model relates to the field of bridge engineering technology and discloses a bridge seismic reinforcement anti-fall beam bracket. The bracket consists of a steel bracket, anchor bolts, and buffer elastic pads. Through a simple structural design, it effectively extends the overlap length from the bridge beam end to the pier, abutment cap, or cap beam edge, thereby preventing beam collapse under extreme seismic loads. The steel bracket is welded from a connecting plate and a support plate arranged at right angles, and its overall rigidity is enhanced by stiffening plates. The connecting plate is fixed to the pier cap beam by anchor bolts, making installation convenient and stable. Buffer elastic pads are installed on the upper surface of the support plate, which can absorb and buffer the impact energy of the beam on the bracket under seismic action, further improving seismic performance. This utility model is applicable to existing bridges of different bridge types, spans, and bearing types, with strong compatibility, minimal modification work, and significantly improves the seismic resistance of existing bridges, providing a reliable guarantee for the safe operation of bridges throughout their entire life cycle.

This application relates to a fully enclosed bridge-type five-axis machining center, belonging to the field of machine tool processing technology. It includes a housing, an AC rotary table mechanism, and a three-axis moving mechanism. Both the AC rotary table mechanism and the three-axis moving mechanism are housed within the housing. The three-axis moving mechanism can drive the spindle head to move along the Y-axis above the AC rotary table mechanism. A part-removing port is provided at the top of the housing. A first mounting plate and a second mounting plate are slidably disposed within the housing. The first mounting plate is slidably connected to the three-axis moving mechanism. A first telescopic cover is mounted on both the first and second mounting plates, sealing the part-removing port. A first locking element is provided on the first mounting plate, a locking plate on the second mounting plate, and a second locking element on the housing. Both the first and second locking elements can lock with the locking plate. This application eliminates the need for operators to manually loosen the latches and push the cover, reducing manual operation intensity and improving the efficiency of workpiece or tooling hoisting and replacement.

The utility model discloses a bridge type three -coordinate measuring machine for steam turbine blade measurement, include: three -coordinate measuring machine main part and feeding mechanism, and feeding mechanism includes the base fixed on both sides of three -coordinate measuring machine main part symmetry, the movable seat of movable fitting in the base top, install in the first drive piece of base inner chamber and pass through movable seat, the support of fixed in the top of opposite movable seat, a plurality of symmetry fixed in the electric telescopic rod of support top and pass through support, the movable plate of fixed in electric telescopic rod bottom, two symmetry and movable sleeve joint on the clamping piece of movable plate and install in the second drive piece of movable plate top and pass through clamping piece, and the top of base has the recess, this bridge type three -coordinate measuring machine for steam turbine blade measurement has blade automatic feeding and the advantage that practicality is high.

The utility model relates to a portal bridge type ship unloading anti-collapse device, and belongs to the technical field of ship unloaders. Comprising a body supporting rod, and side mounting plates are arranged at the two ends of the body supporting rod; a sliding part is arranged on the main body supporting rod, a main body vertical rod is arranged above the main body supporting rod, and the main body vertical rod is fixed on the sliding part; a lifting rod is arranged in the main body vertical rod in a penetrating manner; a top mounting plate is arranged at the top of the lifting rod; an extension unit is arranged on one side of the main body vertical rod, the extension unit penetrates through the main body vertical rod and is fixedly connected with the lifting rod, and an end mounting plate is arranged on the other side of the extension unit; a sliding mounting seat is arranged on the other side of the main body vertical rod, and the sliding mounting seat is arranged on the main body supporting rod in a sliding manner; a first hydraulic rod is arranged at the top of the body supporting rod, one end of the first hydraulic rod is fixedly connected with the sliding piece, and the other end of the first hydraulic rod is connected with the side mounting plate. The device is convenient to operate and can be adjusted along with adjustment of the gate bridge type ship unloader, trouble and labor are saved, and the operation efficiency is improved.

The present application relates to the technical field of scraper reclaimer, a bridge type scraper reclaimer based on unmanned yard intelligent control, comprising a base, a rotating base, a rake conveyor and a hopper; the bottom of the rack of the rake conveyor is provided with a plurality of telescopic push rods, the end of the rack of the rake conveyor is provided with a tensioning push rod, the end of the telescopic push rod is provided with a supporting roller, and the conveying belt of the rake conveyor is uniformly provided with a plurality of scrapers; the plurality of supporting rollers can support the bottom conveying belt of the rake conveyor, so as to change the shape of the bottom conveying belt of the rake conveyor. The present application can realize wide range angle adjustment while maintaining the continuity of the material conveying path through the cooperation of the two-section structure and the flexible guide channel; the plurality of telescopic push rods can independently control the position of the supporting roller, the bottom shape of the conveying belt can be dynamically adjusted, the irregular material pile surface can be better fitted, the scraping efficiency and the material taking uniformity can be improved, and the material taking blind area caused by the collapse of the traditional non-adjustable structure can be avoided.

The utility model relates to an electric double-body barge which comprises a barge body. The middle parts of the sheet bodies are connected into a whole through a connecting bridge, and each sheet body comprises a deckhouse and a container type power supply; the bridge type container crane is composed of a bridge and a container hoisting mechanism; the bridge frame comprises a metal box type supporting structure and a track; the shore power connection equipment comprises a rotating base mounted on the sheet body, an electric capstan wound with a cable is mounted on the rotating base, the shore power connection equipment further comprises a telescopic arm, one end of the telescopic arm is mounted on the rotating base, and a cable conveying device for releasing the cable is mounted at the other end of the telescopic arm; the electric catamaran barge adopts a catamaran type layout, has a larger deck operation space, can store more container type power supplies, has better stability, is beneficial to carrying out hoisting operation under complex sea conditions, meets the multi-scene power supply requirements, and also meets the green and environment-friendly requirements.

The utility model relates to a floating bridge type water temporary safety channel. The floating bridge type overwater temporary safety channel comprises a channel unit, the channel unit comprises single-side supporting frames, buoys, building wood formworks, battens and longitudinal rods, the two single-side supporting frames are connected through the longitudinal rods, and the buoys are arranged between the left sides of the lower portions of the two single-side supporting frames and between the right sides of the lower portions of the two single-side supporting frames. Battens are uniformly arranged between the middle parts of the two single-side support frames, are arranged along the axial direction of the longitudinal rod, and are provided with a building wood template. The cross rods, the cross fasteners, the short vertical rods, the inclined supporting rods, the long vertical rods, the rotary fasteners, the direct fasteners and the longitudinal rods are all connected through the fasteners to form the framework, the batten, the building wood formwork and the dense safety net are installed in the framework, and the overwater safety channel for temporary wading operation can be used as the overwater safety channel for temporary wading operation. The materials such as the buoys, the scaffold steel pipes, the fasteners and the battens are low in purchase cost and can be reused, and the whole body is more stable after bearing.

This invention relates to the field of bridge safety technology, specifically a method for assessing bridge fire risk. The method involves obtaining a multi-dimensional state score set of the bridge based on multi-dimensional data collection results, and counting the number of elements in the multi-dimensional state score set that exceed a preset statistical mean to determine the fire hazard level of the bridge. This invention proposes a vulnerability level determination model based on the real-time safety status of key high-temperature components and system-level failure thresholds for different bridge types, such as cable-stayed bridges, suspension bridges, and beam bridges. By integrating the level determination results of the above three indicators, a matrix-style comprehensive evaluation of the overall fire risk of the bridge is formed, outputting a clear risk level and associated risk management countermeasures. This has significant guiding significance for fire risk assessment, fire prevention design, and fire protection scheme formulation for long-span suspension bridges.

This invention discloses a disturbance-resistant trajectory tracking and anti-sway control method for a dual-axle crane. It constructs a dynamic model of the variable-rope-length dual-axle crane under unknown external disturbances. By separating the drivable and non-drivable states, the dynamic model is represented as a cascaded system. The trajectory error vector is obtained by subtracting the actual coordinates of the load's center of mass from its desired trajectory vector. The load position error is then integralized from the trajectory error vector, and an LSNF function is constructed. Position control parameter matrices and velocity control parameter matrices are defined, leading to a pseudo-controller and a velocity error vector. Finally, the actual controller is constructed based on the velocity control parameter matrix, velocity error vector, trajectory error vector, pseudo-controller, and the cascaded system dynamic model. Using this technical solution, load positioning is more accurate, and the cable's anti-interference capability is stronger.

The utility model discloses a bridge type loop anti-short-circuit structure and a relay, which relate to the technical field of switching devices and comprise a static contact, a movable contact plate, a push rod assembly, a central spring, a counter-force flat spring and an electromagnetic assembly. The second end of the central spring is connected with the movable contact plate; the counter-force leaf spring is connected with the movable contact plate and has a preset distance with the push rod assembly; the electromagnetic assembly is connected with the push rod assembly; when the static contact is separated from the movable contact plate, the electromagnetic assembly drives the push rod assembly to approach the static contact so that the movable contact plate abuts against the static contact. And after the static contact is in contact with the movable contact plate, the electromagnetic assembly continuously drives the push rod assembly to approach the static contact, so that the push rod assembly is propped against the counter-force leaf spring. According to the scheme, through successive intervention of the central spring and the counter-force leaf spring, the reverse elastic force adaptive to the electromagnetic adsorption acting force is provided for the movable contact plate, normal operation of contact closing operation can be ensured, and meanwhile, large contact pressure can be obtained so that repulsion force generated when the relay is subjected to short-circuit current can be resisted.

The utility model relates to the technical field of widening equipment, and particularly relates to a large-tonnage bridge type flat plate widening equipment, including bridge type bearing base, the upper end fixedly connected with main bearing flat plate of bridge type bearing base, the front end and rear end of main bearing flat plate all are seted up with three positioning slot, the left end upper portion and right end upper portion of main bearing flat plate all open two sliding limit slot of upper end through, the left end upper portion and right end upper portion of main bearing flat plate all are screw thread movable connection with two fastening bolts, the left end upper portion and right end upper portion of main bearing flat plate all are fixedly connected with the connecting clamping seat block, the connecting clamping seat block is located between two fastening bolts. The large-tonnage bridge type flat plate widening equipment, through the coordination of adjustable widening plate structure and workpiece limiting structure, can be flexibly adapted to large-tonnage workpieces of different sizes, effectively improves the stability and safety in the operation process, and can adapt to the operation demand of multiple scenes.

The invention discloses a flexible micro clamp with a three-dimensional bridge type hinge. The flexible micro clamp comprises clamp arms, a half-bridge type three-dimensional hinge and an input base. The two clamp arms are oppositely arranged in parallel, each clamp arm comprises two flexible arms, the tail ends of the two flexible arms can be connected in a relatively rotating mode, the flexible arms are connected with the input base and are of a V-shaped symmetrical structure, and the flexible arms are of a thin plate structure; the half-bridge type three-dimensional hinge is erected on the clamp arm arrangement plane in a three-dimensional mode and has a certain width, the two flexible ends of the half-bridge type three-dimensional hinge are connected with the two flexible arms respectively to form a deformation angle, expansion and contraction movement of the two flexible arms generates uneven distribution stress in the width direction of the flexible ends of the half-bridge type three-dimensional hinge, and the half-bridge type three-dimensional hinge guides the flexible arms to generate y-direction deformation. According to the micro-clamp, the overall structure is reasonably optimized by innovating the combined structure, the structure is simple, the plane arrangement is more compact, the production cost is low, clamping is achieved by innovatively utilizing the characteristics between the half-bridge type three-dimensional hinge and the clamp arms based on the lever mechanism and the bridge type amplification mechanism, and the driving and zooming structure design of the micro-clamp is enriched.

The application relates to the technical field of vehicle braking, in particular to a bridge type electric engineering vehicle braking auxiliary device and a braking method thereof. The device comprises a booster pump, a pumping cylinder fixed on the booster pump, a pumping disc slidingly and sealingly connected in the pumping cylinder, and a push rod arranged on the pumping disc; a brake connected with a vehicle through a brake bridge, a booster cylinder arranged on the brake, a hollow pipe connected with the booster cylinder arranged on the booster cylinder; a first rotating rod rotatably arranged in the pumping cylinder, a centrifugal control mechanism connected with the first rotating rod arranged on the booster pump, and an oil path distribution mechanism arranged in the pumping cylinder; and an air pressure adjusting mechanism arranged on the centrifugal control mechanism, wherein a pressure regulating cylinder is connected with the air pressure adjusting mechanism, the centrifugal control mechanism can drive the oil path distribution mechanism and the air pressure adjusting mechanism to move according to the vehicle speed, the conduction quantity of the pumping cylinder and the air pressure in the hollow pipe are adjusted, and the effect of self-adapting and adjusting the braking force is realized.

The invention discloses an asymmetric bridge type amplification mechanism and a stick-slip driver, the asymmetric bridge type amplification mechanism comprises an input end, an output end and a hinge assembly, the hinge assembly is arranged between the input end and the output end, and the hinge assembly comprises a first hinge unit, a second hinge unit, a third hinge unit and a fourth hinge unit which are distributed in an array, the first hinge unit and the second hinge unit are distributed in a spaced mode in the second direction and connected with the output end, the first hinge unit comprises two leaf-shaped flexible hinges distributed in the second direction in a spaced mode, the second hinge unit comprises a first arc-shaped flexible hinge, and the third hinge unit is arranged at the end, away from the output end, of the first hinge unit and connected with the output end. The fourth hinge unit is arranged at the end, away from the output end, of the second hinge unit and connected with the input end and comprises a second arc-shaped flexible hinge, and the fourth hinge unit is arranged at the end, away from the output end, of the second hinge unit and connected with the input end and comprises a third arc-shaped flexible hinge. Therefore, the left-right asymmetric rigidity difference is achieved, and the amplification ratio is increased.

The invention provides a fast tool servo turning device and turning equipment, and relates to the technical field of turning equipment, the fast tool servo turning device comprises two arched composite bridge type amplification mechanisms and a flexible guide mechanism, and the two arched composite bridge type amplification mechanisms are orthogonally arranged; the arched composite bridge type amplifying mechanism comprises mounting blocks, an amplifying mechanism and a connecting block; the two mounting blocks are connected with the piezoelectric ceramic actuator; the connecting blocks are symmetrically arranged on the two sides of the piezoelectric ceramic actuator respectively, one end of each amplifying mechanism is connected with the end of the mounting block, the other end of each amplifying mechanism is connected with the mounting block, the connecting blocks and the amplifying mechanisms on the two sides of the connecting blocks are connected to form an arch shape, and an opening of the arch shape faces the piezoelectric ceramic actuator. The two flexible guide mechanisms are orthogonally arranged; according to the arch-shaped composite bridge type amplifying mechanism, the connecting blocks are connected with the amplifying mechanisms on the two sides of the arch-shaped composite bridge type amplifying mechanism to form an arch shape, higher first-order inherent frequency, transverse rigidity and amplifying coefficient are achieved, and the arch-shaped composite bridge type amplifying mechanism can be suitable for machining of more complex micro-nano structures with the higher precision requirement.

The invention relates to a satellite oscillating mirror deflection micro-displacement adjusting device and method based on piezoelectric driving, the device is composed of a piezoelectric driving part and an output bearing part, the piezoelectric driving part is composed of a bridge type lever amplification structure (1) and a secondary lever amplification structure (2), the bridge type lever amplification structure (1) is composed of a flexible hinge structure, and the secondary lever amplification structure (2) is composed of a flexible hinge structure. The two-stage lever amplification structure (2) is composed of a flexible hinge structure, and is used for receiving the output displacement, amplifying the second-stage displacement and outputting the second-stage displacement; the output bearing part is composed of a bottom plate (3) and a rotor (4), the bottom plate (3) is used for positioning and connecting other structures, and the rotor (4) receives the displacement of the piezoelectric driving part and outputs the displacement. The invention relates to the field of precision driving, in particular to a satellite oscillating mirror deflection micro-displacement adjusting device and method based on piezoelectric driving. The invention has the advantages of compact structure, high resolution, large stroke and the like, and overcomes some defects in the prior art.

The utility model provides a bridge type multifunctional weighing sensor comprising an installation box, the bottom end of the installation box is fixedly provided with a heat radiation rack, the top end of the heat radiation rack is fixedly provided with a weighing sensor body, the top end of the installation box is fixedly provided with a sealing cover, and the inner side wall of the sealing cover is fixedly connected with the outer side of the weighing sensor body. The beneficial effects of the utility model are that the weighing sensor can be primarily cooled through the heat dissipation frame, and the heat on the heat dissipation frame can be led out through the contact between the heat conduction plates and the outer side of the heat dissipation frame, thereby improving the heat dissipation effect of the whole weighing sensor, improving the heat dissipation efficiency of the weighing sensor, improving the heat dissipation efficiency of the weighing sensor, improving the heat dissipation efficiency of the weighing sensor, improving the heat dissipation efficiency of the weighing sensor, and prolonging the service life of the weighing sensor. And through rotation of a flow guide rod in the processing frame, air circulation among a plurality of heat dissipation plates in the mounting box can be realized, so that the heat dissipation effect of the weighing sensor during use can be further improved, and the use stability of the weighing sensor is kept.

The utility model discloses a rivet-free bridge type riveting mechanism for an anti-magnetic cover. The rivet-free bridge type riveting mechanism comprises a bottom plate, a transverse positioning air cylinder, a riveting placement supporting block, a lower riveting block, a plurality of guide columns, a pressing air cylinder mounting plate, a pressing air cylinder, a pressing plate and an upper riveting block. The transverse positioning cylinder is arranged beside the bottom plate; a movable limiting block is arranged at the output end of the transverse positioning cylinder; a bearing block is arranged on the bottom plate; the riveting placement supporting block is arranged on the bearing block and the movable limiting block; the lower riveting block is arranged on the riveting placement supporting block; a plurality of elastic supporting assemblies are arranged in the lower riveting block. The guide columns are erected on the bottom plate; the pressing cylinder mounting plate is arranged between the upper ends of the guide columns; the pressing cylinder is arranged on the pressing cylinder mounting plate; the pressing plate is arranged at the output end of the pressing cylinder; the riveting upper block is arranged on the side, away from the downward pressing air cylinder, of the downward pressing plate. According to the riveting device, elastic supporting in the riveting process is achieved through the elastic supporting assembly, the riveting precision and accuracy are guaranteed, and meanwhile equipment is prevented from being damaged by too large pressure in the riveting process.

The invention discloses a bridge-type three-coordinate measuring machine, and the machine comprises a pedestal; fixing a table; a cross beam unit; the first driving mechanism is used for driving the cross beam unit to move in the Y direction relative to the fixed table; the sliding frame is arranged on the cross beam unit in a sliding manner; a second driving mechanism; the Z-axis assembly comprises a Z-axis component; a balance bracket assembled to the carriage and including a top member; the third driving mechanism drives the Z-axis component to move up and down; the balance component is assembled on the Z-axis component and comprises a telescopic piece; the elastic damping unit is assembled on the top component and comprises an installation part, an elastic damping part and an elastic damping part, the sleeve piece is arranged on the mounting piece in a sleeving manner, is inserted into the top component and comprises an extension part; the elastic buffer piece is arranged on the sleeve piece in a sleeving manner and is arranged between the extension part and the top component; and the locking part is locked on the mounting part and is pressed on the extension part. The bridge type three-coordinate measuring machine provided by the invention is used for damping the vibration of the balance cylinder transmitted by the balance bracket.

The utility model belongs to the technical field of lightning protection grounding disconnection cards, and particularly relates to a bridge type three-section disconnection card. The bridge type three-section disconnection card comprises a grounding part (1), a downlead part (2), a connecting plate (3), a fixed connecting piece (4) and a movable connecting piece (5), a strip-shaped hole (3-1) is formed in one end of the connecting plate (3), and a strip-shaped notch (3-2) is formed in the other end of the connecting plate (3); one end of the grounding part (1) is connected with the strip-shaped hole (3-1) of the connecting plate (3) through the fixed connecting piece (4), and the downlead part (2) is connected with the strip-shaped notch (3-2) of the connecting plate (3) through the movable connecting piece (5). The bridge-type three-section disconnecting clamp provided by the utility model is simple in structure and convenient to mount and dismount, can realize quick disconnection and recovery with a grounding electrode, and can effectively improve the working efficiency of operating personnel.

The invention discloses a cable-stayed bridge type reinforcing process for preventing mattress edge collapse, and belongs to the field of household articles, and the cable-stayed bridge type reinforcing process comprises the following steps: arranging a plurality of traction connection points on the side surface of the edge of a mattress main body; a plurality of corresponding traction connecting points are arranged on the plane supporting structure of the mattress main body; the side traction connecting points and the corresponding traction connecting points on the plane supporting structure are obliquely connected through high-strength elastic traction components, and a cable-stayed bridge type supporting structure is formed; the tension of the high-strength elastic traction component is adjusted, so that a triangular stable structure with preset supporting strength is formed between the side faces and the plane; the structural principle of a cable-stayed bridge is applied to mattress edge reinforcement, a triangular stable structure is formed through the inclined traction components between the side faces and the plane, effective dispersion of mattress edge pressure is achieved by means of the stability of triangles and the elastic deformation characteristic of the cable-stayed components, and the problem of edge pressure concentration in the prior art is solved.

The invention discloses a control method and system for assembling a conical bore bearing through a hydraulic system, relates to the technical field of intelligent manufacturing of high-end equipment, and aims to solve the three core technical problems of displacement measurement distortion caused by deformation of a hydraulic nut, process state monitoring blind areas and lack of active safety protection under malignant faults. According to the method, the real axial displacement of the bearing is obtained by adopting a deformation isolation type span bridge type rigid reference, the instantaneous equivalent press-fitting rigidity is calculated based on pressure and displacement data, the idle stroke, contact and interference establishment and assembly completion critical stages are identified according to the evolution trajectory of the instantaneous equivalent press-fitting rigidity, and staged self-adaptive closed-loop control is implemented; fault diagnosis and end point judgment of mechanical clamping stagnation, hydraulic leakage and the like are executed in parallel according to the highest hardware interruption priority, millisecond-level active protection and optimal end point accurate capture are achieved, the assembly precision and safety of heavy-duty bearings are remarkably improved, and the method is suitable for assembly of key parts of engineering machinery such as shield tunneling machines and large cranes.

The utility model relates to the technical field of axially split pumps, in particular to a flow-adjustable axially split pump structure under multi-working-condition and variable-working-condition scenes and improved pump equipment performance. An installation groove is formed in the position of an upper pump body partition tongue of an upper pump body and a lower pump body. A replaceable flow adjusting movable block is assembled in the mounting groove and can be replaced according to working conditions, and different flow parameter requirements are met. The flow adjusting movable block is divided into a bridge type movable block structure and a non-leap type movable block structure. The flow adjusting movable block is limited and prevented from rotating through an anti-rotating pin. The flow adjusting movable block is divided into one or a combination of a cylinder and a rectangle. According to the technical scheme, the problems that an existing axially split pump shell in the prior art mostly adopts an integrated casting mode, the throat area of the shell is a fixed value, and consequently the axially split pump shell is not suitable for multi-flow working conditions and variable working condition scenes are solved.