28results about How to "Stable force transmission" patented technology

The invention relates to the technical field of vehicle bodies, in particular to a B-column-free vehicle body structure, a vehicle and an assembling method of the B-column-free vehicle body structure. The B-column-free vehicle body structure comprises a front windshield assembly, a top cover longitudinal beam, a top cover rear assembly, a back door assembly and a lower vehicle body assembly; the front end of the top cover longitudinal beam is fixedly connected with the middle of the upper end of the top cover rear assembly. Gull-wing door installation parts are arranged on the left side and the right side of the middle of the top cover longitudinal beam. The lower end of the front windshield assembly is fixedly lapped with the front part of the lower vehicle body assembly, the lower end of the top cover rear assembly is fixedly lapped with the rear part of the lower vehicle body assembly, and the back door assembly is fixedly connected with the rear sides of the top cover rear assembly and the lower vehicle body assembly; the front windshield assembly, the top cover longitudinal beam, the top cover rear assembly, the back door assembly and the lower automobile body assembly are all aluminum alloy integrally-cast forming parts. The European wing type opening mode of the whole side vehicle door can be met, and on the premise that the performance is met, light-weight and lean design and production of a vehicle body are achieved.

The invention provides a vibration table test device for a high concrete dam whole reservoir area model, and belongs to the technical field of test devices. The device comprises a ground beam system fixed on a vibration table; the outer frame is fixed on the ground beam system; the lower part of the internal oblique beam is fixedly connected with the ground beam system, and the periphery is fixedly connected with the external frame; the front and rear ends of the inner box body are fixedly connected with the front and rear ends of the outer frame, the left and right ends of the inner box body are fixedly connected with the inner oblique beams, and reservoir water is contained in the inner box body; the wave absorbing device is arranged at the tail end of the inner box body and used for preventing the reservoir water from overflowing; and the test model is fixed in the internal box body. The connecting device can be firmly connected with a large vibration table, is stable in force transmission, and can be freely disassembled. Dam-reservoir water-foundation interaction can be accurately simulated, and joint vibration of a dam body, bedrock and reservoir water is achieved. Meanwhile, the whole reservoir area of the high concrete dam can be simulated, and the integrity of the test model is guaranteed.

The utility model discloses a two -way locking electronic lock structure, including the shell, the shell inside is installed motor, transmission part, first locking part and second locking part, the motor output end is connected with the rotator, and this rotator top wall surface is equipped with the cam, first locking part and second locking part are opposite to set up and are equipped with the reset spring between both, transmission part sets up between rotator top and the side of first locking part, second locking part, the cam drive transmission part horizontal removal when the rotator controlled rotation, and transmission part drives first locking part to move to second locking part direction or second locking part moves to first locking part direction, makes the lock bolt portion on the driven locking part to retract to the shell. The utility model provides a two -way locking electronic lock structure, and the whole unlocking process is quick and coherent, reduces the superfluous motion transmission, and endows this two -way locking electronic lock structure simple, and the unlocking action is quick, accurate.

The present invention discloses a test fixture, a test machine and a test method for a guide rail pair, wherein the test fixture comprises: a lower mounting assembly having a machine platform, the machine platform being used to fix a first guide rail; an upper mounting assembly being used to connect a first slider and a loading beam, having a loading member, an adjusting guide rail pair, a force sensor and a locking member, the loading member connecting the guide rail pair to be tested, the second guide rail of the adjusting guide rail pair connecting the loading beam of the testing machine, the second slider of the adjusting guide rail pair connecting the force sensor, the locking member being able to relatively lock or release the second guide rail and the second slider of the adjusting guide rail pair; a centering pin and a centering connecting sleeve being arranged between the force sensor and the loading member, the centering pin being able to be inserted into the centering connecting sleeve for positioning; a loading sleeve being detachably arranged between the force sensor and the loading member, the loading sleeve being able to be arranged concentrically with the centering pin or the centering connecting sleeve. The test fixture, the test machine and the test method for a guide rail pair of the present invention can reduce adjustments, saving time and effort.

The invention relates to an anti-falling unloading cantilever scaffold. The anti-falling unloading cantilever scaffold comprises a scaffold body and a double-platform unloading device. The device is composed of a bearing cantilever beam, an unloading cantilever beam and a force transmission device. The force transmission device comprises parallel stand columns, inclined struts and force transmission sleeves. The bottom of the stand column is fixed to the bearing cantilever beam, and the top of the stand column penetrates through the unloading cantilever beam and is provided with a force unloading ring. The inclined strut is hinged to the top of the stand column, and the top of the inclined strut is hinged to the force transmission sleeve which is detachably connected with the stand column. The unloading spring is located between the unloading ring and the unloading cantilever beam top plate, and load progressive increase type conduction is achieved. The embedded part is a U-shaped hoop ring, and it is ensured that the cantilever I-shaped steel is firmly connected with a building structure layer. The system improves the bearing capacity and safety of the scaffold, realizes effective dispersion of load, and has an anti-falling function.

The utility model relates to the keel floor field field, the utility model discloses a purpose at providing a kind of welding-free splicing type keel floor, including several floor columns;Assembly box, install at the top of floor column;Keel, and the support assembly is connected between the two ends of keel and floor column;Support assembly includes first support sheet and second support sheet, and first support sheet and second support sheet are all right triangle;First clamping plate is equipped on first support sheet, and first clamping plate is equipped with several bayonet joints;Second clamping plate is equipped on second support sheet, and second clamping plate is equipped with several buckles, and second clamping plate is clamped with the bayonet joint on first clamping plate through buckle;The one side right angle edge of first support sheet and second support sheet is inserted with the bottom of keel, and the other side right angle edge of first support sheet and second support sheet is inserted with floor column.The utility model is convenient for construction, and it is installed quickly, with good economic benefit.

The present invention discloses a device and method for testing the fatigue performance of a round link chain, and belongs to the technical field of fatigue testing. The present invention realizes the rapid connection and fixation of the round link chain and the hydraulic universal testing machine through two sets of two sets of hanging components symmetrically hung in the chain rings at both ends of the round link chain and externally connected to the hydraulic universal testing machine, and realizes the stable transmission of the loading force, that is, the loading force of the hydraulic universal testing machine is sequentially transmitted to the round link chain through the jaw seat, the clamping plate and the V-shaped clamping block. The present invention can realize the rapid connection and fixation of the round link chain and the hydraulic universal testing machine, ensure the smooth progress and accurate measurement of the fatigue test of the round link chain, improve the success rate and accuracy of the fatigue test, and has the advantages of stable force transmission, automatic centering, accurate testing, avoiding damage to the round link chain, high efficiency, high success rate, easy installation, safe operation, flexible use, strong versatility, and low cost.

The utility model discloses a crawler belt walking mechanism based on a rod rope crawler belt. The crawler belt walking mechanism comprises a driving wheel, an inducing wheel and the rod rope crawler belt connected to the driving wheel and the inducing wheel in a bridging mode. The rod-rope crawler belt comprises a plurality of ropes arranged in parallel and connecting assemblies which are evenly arranged in the length direction of the ropes and fix the ropes together. The connecting assembly comprises a rod piece and a pressing strip which are arranged relative to the rope, and the rod piece is fixedly connected with the pressing strip; a plurality of rod grooves meshed with the rod pieces are evenly distributed in the driving wheel and the inducer. The multi-edge effect does not exist, force transmission is stable, and vibration and impact are small; and the rod rope crawler belt is simple in structure, not easy to wear, durable and low in manufacturing and maintenance cost.

The utility model relates to a novel external driving impeller type activation feeder which is mainly used for intermediate transshipment feeding in the material conveying process of coal, electric power, chemical engineering and the like and comprises an outer tank, a movable cone, a supporting plate, a rubber spring set, a motor base, a vibration motor, a material distribution cone, a speed reducer, a chain, a speed reducer base, a coupler, an impeller shaft, a lower tank body and a motor. The motor is installed outside the feeder and operates to drive the impeller blades to rotate to push materials to be evenly fed to the center of a belt, the vibration motor below the movable cone is started to generate perturbing to enable the materials to be smooth when the materials are stuck and blocked, the rubber spring set avoids vibration of the feeder, the feeding outlet is in the belt direction, the belt can be prevented from deviating, and belt loss is reduced. The feeding device is small in installation space, stable in operation, simple in structure, firm and durable, convenient to install and maintain, and particularly suitable for being used in occasions where the center line of a stock bin opening is perpendicular to a blanking point, and powder and large-viscosity materials are transferred and fed.

Disclosed are a bending boom, a boom device and a work machine. The bending boom includes a middle portion (100) and two extending portions (200). The middle portion (100) is configured to connect external components. The extending portion (200) has a first side wall (210) and a second side wall (220) opposite to the first wall (210). The first side wall (210) is flush with middle portion (100), and the second side wall (220) is bent from middle portion (100) towards a direction near first side wall (210). Two extending portions (200) are connected to two opposite ends of middle portion (100). By providing the matching middle portion (100) and extending portions (200), a situation in which stress concentration occurs at the middle portion (100) can be prevented, which improves stress condition of the bending boom, and improves durability of the bending boom, the boom device and the work machine.

This utility model discloses a rivet pressing device for a laparoscopic stapler assembly, comprising an upper fixing structure, a lower fixing structure, a base, and a pressing mechanism. The upper fixing structure includes a mounting positioning post, an upper fixing plate, and an upper panel. The pressing mechanism is axially symmetrical about the laparoscopic stapler assembly, including a symmetrically arranged shovel, a slider, a rivet insert, and a slider guide block. The base has the slider guide block embedded in it, and the slider is slidably disposed within the slider guide block. A rivet insert is embedded in the middle of the front end of the slider, and the back has an upwardly and backwardly inclined surface. The shovel is located behind the slider, and its bottom has a pushing inclined surface that cooperates with the inclined surface on the back of the slider. This device has a reasonable structure, facilitating stable pressing of rivets in the laparoscopic stapler assembly.

The invention discloses a foundation pit supporting passive area soil body reinforcing structure and a construction method thereof. The structure comprises fender posts arranged along the periphery of a foundation pit; the cement soil reinforcement area is located in the passive area soil body behind the fender posts, and the cement soil reinforcement area is formed by meshing a plurality of cement mixing piles; the high-pressure jet grouting pile reinforcing band is arranged between the fender post and the cement soil reinforcing area, and the high-pressure jet grouting pile reinforcing band fills a gap between the fender post and the cement soil reinforcing area, so that the fender post, the high-pressure jet grouting pile reinforcing band and the cement soil reinforcing area are in close contact, and a continuous force transmission system is formed. The gaps between the fender posts and the cement mixing piles are filled with the high-pressure jet grouting piles, force transmission is smooth, the passive area soil reinforcement effect is greatly improved, fender post deformation is effectively controlled, and the safety and stability of a foundation pit are guaranteed.

The utility model discloses a steel spring floating slab skew compensating plate, which is characterized in that a compensating plate main body is annular, one or two compensating angles extend outwards from the edge position, so that the compensating angles can be conveniently screwed into a void area in a rotating manner, and the compensating plate of a corresponding type is selected according to the void number before rotating and filling. The compensation plates with the corresponding number and thickness specification are selected according to the disengaging height, so that the disengaging area is fully filled, horizontal limiting in the installation process is guaranteed by arranging the blocking pieces on the inner sides of the compensation plates, the notches are formed in the inner sides of the compensation plates so that the compensation plates can be fixed through the positioning bolts, and loosening and disengaging caused by vibration are avoided.

The utility model discloses a kind of flushing door suitable for high water head, including door frame assembly, the top of door frame assembly is equipped with door plate rotary hinge support, the end of door plate rotary hinge support is equipped with door plate rotary hinge assembly, door frame assembly is movably connected with door plate assembly by door plate rotary hinge assembly, the right side of door frame assembly is equipped with driving device and transmission device, driving device and transmission device one end are connected, the bottom of door plate assembly is equipped with several groups of adjustable lock hook that distribute in horizontal equidistance mode, the bottom of door frame assembly is equipped with several groups of lock hook seat that distribute in horizontal equidistance mode, several groups adjustable lock hook and lock hook seat between installation have lock catch connecting rod, lock catch connecting rod right end and transmission device other end are connected.The device greatly improves the reliability, practicality and processing economy of flushing door under high water head scene.

The application provides a shell stator hot mounting device, and belongs to the technical field of motor hot mounting, and comprises: a base provided with a frame body; a shell moving assembly comprising a shell moving seat and a shell moving driving element; a heating assembly comprising a heating element and a heating lifting driving element; a stator moving assembly comprising a stator moving seat and a stator moving driving element; and a grabbing assembly comprising a grabbing element and a grabbing lifting driving element. In the application, the shell moving assembly can convey the shell to a heating position or a mounting position, the stator moving assembly can convey the stator to a feeding position or a taking position, and the grabbing assembly can be lifted through the mounting hole on the frame body, the stator can be grabbed from the taking position and pressed into the shell in the mounting position, the shell heating and the stator press fitting are integrated automatic operation, the safety risk caused by manual carrying of the high-temperature shell is avoided, the assembly precision and efficiency are improved, and the automatic continuous operation of the hot mounting process is realized.

This utility model discloses an adjustable drying rack for noodle processing, including a base and an adjustment mechanism. The adjustment mechanism includes a support column, a fixing plate, a drying rod, an adjustment hole, an insertion rod, and a quick-fixing mechanism. The support column is fixed to the top surface of the base. The fixing plate has multiple sets of abutments against the outer wall of the support column. The drying rod is fixed to the outer wall of multiple sets of fixing plates. Multiple adjustment holes are respectively set on multiple sets of fixing plates and the support column. The insertion rod is inserted into the adjustment hole. The quick-fixing mechanism includes a fixing sleeve, a slider, a slot, a clamping plate, an abutment block, and a limiting sleeve. The fixing sleeve is inserted into the top of the insertion rod. The operator only needs to simply rotate the threaded sleeve to complete the entire fixing and releasing process without complicated tools or professional skills. This integrated quick-fixing mechanism greatly simplifies the operation process, shortens the adjustment time, reduces the technical requirements for operators, and effectively solves the problems of complex adjustment and low efficiency of traditional drying racks.

The utility model provides an integrated rear suspension sliding column mounting structure and a vehicle, and belongs to the technical field of vehicles. The mounting structure comprises a rear suspension sliding column mounting upper plate and a rear suspension sliding column mounting lower plate; one side of the rear suspension sliding column mounting upper plate and one side of the rear suspension sliding column mounting lower plate are connected with the rear wheel cover inner plate; the rear suspension sliding column mounting upper plate is fixedly connected above the rear suspension sliding column mounting lower plate, and a cavity is formed between the rear suspension sliding column mounting lower plate and the rear suspension sliding column mounting upper plate; and the rear suspension sliding column mounting upper plate is connected with the rear girder. Compared with a traditional single plate structure, the strength and rigidity of a rear suspension sliding column installation point area are effectively improved; and the rear suspension sliding column mounting point moves downwards to be close to the position of the rear crossbeam, so that the structural integrity of the rear suspension sliding column mounting point area is ensured, and the stress concentration problem of the sliding column mounting point and the rear wheel cover area is effectively solved.

The utility model discloses a wire stripping machine for wire harness preparation, which comprises a frame, a clamping and stripping mechanism, a cable fixing mechanism and a fixing auxiliary mechanism, and is characterized in that the clamping and stripping mechanism comprises a hydraulic push cylinder, a clamping hydraulic cylinder, a clamping frame, a spring clamping knife and a spring guide wheel; the cable fixing mechanism comprises a clamping sleeve, an inclined rail, an inclined moving block, a linkage frame, a spring tightening nail frame and an embedded nail, through the linkage effect of a hydraulic push cylinder and a clamping hydraulic cylinder, accurate clamping of a to-be-peeled cable is achieved, it is ensured that the cable is stably fixed, displacement or deformation of the cable in the peeling process is effectively prevented, and the peeling efficiency is improved. Through cooperation of the clamping sleeve, the inclined rail, the inclined moving block, the spring tightening nail frame and other components, the cable can be effectively fixed at multiple positions, it is ensured that the cable does not deviate in the stripping process, and the stripping precision is improved.

The present application relates to a vehicle brake boost control optimization method, device, equipment and medium, which relates to the field of brake control, and the method includes: obtaining the target output conditions and boundary conditions of the brake boost control model; initializing each particle in the particle population using a preset control parameter optimization algorithm, and determining the global optimal solution of the particle population corresponding to the control parameter combination according to the boundary conditions and the target output conditions, wherein each particle represents the control parameter combination constructed by the spiral raceway radius, the spiral lead angle, the distance between the center of the spiral raceway and the center of the disc body, and the input torque; determining the optimal control parameter combination corresponding to the brake boost control model according to the global optimal solution, and determining the optimal axial thrust of the moving disc in the variable diameter boost pressure mechanism to act on the pressure-bearing part according to the optimal control parameter combination. The present application helps to improve the performance and stability of the brake system and can ensure the provision of an ideal braking effect.

The present invention discloses a support-free assembled concrete beam-column connection structure and assembly method, comprising a prefabricated beam, prefabricated columns are respectively arranged on both sides of the prefabricated beam, first connectors are respectively sleeved on the two prefabricated columns, and second connectors are respectively arranged at the two ends of the prefabricated beam facing the prefabricated columns, and the second connectors are overlapped on the first connectors and connected as a whole to form a prefabricated beam-prefabricated column connection structure. By arranging connectors at the connection part of the prefabricated beam and the prefabricated column, and then fixing them with high-strength screws and nuts, the shear force transmission of the connection part between the beam and the column is completed. The bearing capacity of the component is improved, the stress concentration of the node is reduced, the integrity of the structure is further enhanced, and the seismic performance is better. All processes are on-site installation and connection of prefabricated components, and no wet operation is required, which greatly shortens the time required for on-site construction on the construction site, can greatly improve the construction speed, and save costs.

The invention belongs to the technical field of high-rise buildings, and discloses a complex over-limit high-rise building containing high-position connection bodies and discontinuous local vertical components, which comprises an outer frame, a core tube and a floor system structure for connecting the outer frame and the core tube, and further comprises an annular steel panel, a mounting plate, a mounting frame, a beam steel bar, a locking block and a locking mechanism, the annular steel panel is fixedly arranged on the core tube in a sleeving manner; the mounting plate and the side wall of the annular steel panel are integrally formed; the mounting frame is fixed to the side, away from the core tube, of the top of the mounting plate, the multiple beam steel bars are arranged, and grooves matched with the beam steel bars are formed in the mounting frame; the locking blocks sleeve the beam steel bars and are in threaded connection with the beam steel bars, the number of the locking blocks is equal to that of the beam steel bars, and the positions are in one-to-one correspondence; the locking mechanism is arranged on the mounting plate and used for synchronously locking the multiple locking blocks. The lateral displacement resistance and the overturning resistance of the complex over-limit high-rise building in a special structural form are improved, and it is ensured that force transmission among the outer frame, the core tube and the floor system structure is stable.

This utility model discloses a car seat that can be used as a bed, including a base, on which a seat frame assembly is disposed. The seat frame assembly can be rotated forward to a horizontal position with its front end as the pivot point. A backrest assembly is installed at the rear end of the base, and the backrest assembly can be reclined forward to a horizontal position. The backrest assembly includes a front backrest and a rear backrest. When the backrest assembly is reclined forward to a horizontal position, the rear backrest can be rotated backward relative to the front backrest to a horizontal position. The beneficial effect of this utility model is that it can easily realize the conversion of the seat from a sitting position to a reclining position.

The invention discloses a curling mechanism, a pressing and holding device, a pressing and holding system and an application method. The curling mechanism comprises a rotating disc, a forceps holder assembly, a first shell and a second shell. A plurality of first stroke tracks and second stroke tracks are arranged on the turntable; the first stroke track is regularly fan-shaped and is arranged close to the edge of the turntable, and the second stroke track is obliquely radial and is arranged close to the circle center of the turntable; the forceps clip assembly comprises a plurality of forceps clip units, first forceps bodies and second forceps bodies of the forceps clip units are integrally connected away from one ends of the second stroke track, and one ends close to the second stroke track are slidably connected with the second stroke track through a limiting shaft; the first guide block and the first guide strip are located on the outer side face of the first clamp body. The second guide block and the second guide strip are located on the outer side face of the second clamp body. A first positioning pin and a first rail unit are arranged on the inner surface of the first shell; a second positioning pin and a second rail unit are arranged on the inner surface of the second shell; and the turntable acts on the limiting shaft to drive the plurality of forceps holder units to radially gather or separate.

The utility model belongs to the technical field of scaffold structure, concretely provides an adjustable angle scaffold bottom support structure and the scaffold containing it, including base, connecting rod and adjusting assembly, be equipped with antiskid structure on the bottom end surface of base, the upper end surface of base is connected with the one end of connecting rod through adjusting assembly, the other end of connecting rod is used for being connected with the bottom of scaffold, adjusting assembly is used for adjusting and fixing the relative angle between base and connecting rod. The utility model connects base and connecting rod through setting adjusting assembly, and the relative angle between base and connecting rod is adjusted and locked fixed through adjusting assembly, to guarantee the stress safety and force transmission stability of its overall structure, and simultaneously, the antiskid structure is set up on the lower end surface of base, to increase the skid resistance of base on the contact surface.

The invention discloses a rack structure large-stroke propelling glue gun which comprises a glue gun body, the glue gun body is provided with a glue gun handle, a propelling rod and a glue gun shell, the propelling rod penetrates through the upper end of the glue gun handle, and the propelling rod is provided with a stroke adjusting rod, an unlocking piece, a rack sliding block, a stroke adjusting nut and a propelling piece. The bottom of the rack sliding block is connected with a trigger gear, the lower side of the trigger gear is connected with a trigger, one end of a stroke adjusting rod is fixedly connected through a stroke adjusting nut, and the other end of the stroke adjusting rod penetrates through the rack sliding block and is inserted into the pushing piece. The glue gun has the beneficial effects that the glue gun has the advantages of preventing glue dripping and stably transferring force and discharging glue at a constant speed, so that the problems that the force for pressing glue by holding a trigger by hand is increased, labor is wasted, and a worker cannot press the glue gun with high strength for a long time are solved.

The invention relates to a multi-layer modular assembly type concrete building structure system with energy dissipation and shock absorption functions, and belongs to the technical field of assembly type buildings. The system is a building system formed by self-locking interconnection of a plurality of prefabricated modular room units, and each modular room unit comprises a house body, a plurality of vertical self-locking connecting pieces arranged on the house body and transverse connecting pieces located between the vertical self-locking connecting pieces and used for transversely connecting the modular room units. The modular room units are vertically and transversely connected through the vertical self-locking connecting pieces and the transverse connecting pieces, and a multi-layer modular assembly type building structure system is formed. The system is flexible and stable in connection, has an anti-seismic function, can realize rapid installation, diversified combination, flexible spatial layout and wide application range of a modular house on a construction site, solves the problem of complex modular construction, considers laying of a hydropower grid, and improves the connectivity and stress performance of the whole structure.

This utility model relates to the technical field of automotive chassis components and discloses a crossbeam tie rod welding assembly, including a crossbeam, a left tie rod assembly, a right tie rod assembly, a locating pin, and a middle connecting seat. The crossbeam is a long, rigid structure that serves as a basic load-bearing component, connecting the left and right tie rod assemblies and providing a support frame for the entire assembly. It can distribute and transmit longitudinal and lateral forces during vehicle operation. High-strength steel is used to ensure structural strength and rigidity. This utility model achieves precise pre-positioning through the locating pin, combined with a full welding process, ensuring accurate connection positions and connection strength of each component. It solves the problems of poor assembly compatibility and uneven connection strength, making force transmission more stable and effectively resisting vibration and impact during vehicle operation.

The invention relates to a vehicle brake reinforcement control optimization method, device and equipment and a medium, and relates to the field of brake control, the method comprises the following steps: obtaining a target output condition and a boundary condition of a brake reinforcement control model; initializing each particle in the particle swarm by adopting a preset control parameter optimization algorithm, and determining a global optimal solution of the particle swarm corresponding to the control parameter combination according to a boundary condition and a target output condition, each particle represents a control parameter combination constructed by the radius of the spiral raceway, the lead angle, the distance between the circle center of the spiral raceway and the circle center of the disc body and the input torque; and according to the global optimal solution, determining an optimal control parameter combination corresponding to the brake reinforcement control model, and according to the optimal control parameter combination, determining an optimal axial thrust of a moving disc in the variable-diameter reinforcement and pressurization mechanism so as to act on a pressed part. The performance and stability of the brake system can be improved, and it can be ensured that an ideal brake effect is provided.