46results about How to "Improve parking stability" patented technology

The invention provides a ratchet wheel type parking mechanism applicable to a hand brake apparatus. The ratchet wheel type parking mechanism comprises a parking handle, a cover plate, a transmission reset mechanism, a brake handle, a parking locking tooth and a locking plate, wherein the parking handle is arranged at the top of an upper part; the cover plate is arranged at the lower side of the parking handle; the transmission reset mechanism comprises a locking tooth rotating shaft and a return spring; the locking tooth rotating shaft comprises a rotating shaft rod, an upper rotating platform, a shaft shoulder and a lower rotating platform; the return spring is vertically arranged, and the rotating shaft rod penetrates through a cavity in the middle of the return spring; the brake handle comprises a handle, a transmission reset mechanism mounting rack and a handle connecting plate; and a transmission reset mechanism mounting cavity penetrating through the transmission reset mechanism mounting rack vertically is formed in the transmission reset mechanism mounting rack; the parking locking tooth is arranged at the lower part of the transmission reset mechanism mounting rack; a locking tooth rotating shaft hole is formed in the middle of the large end of the parking locking tooth; and a hook pawl is arranged at the tail of the small end of the parking locking tooth; and the locking plate is arranged at the lower part of the handle connecting plate; and a ratchet surface is formed at one end of the locking plate. The ratchet wheel type parking mechanism has the characteristics of simple and reasonable structure, convenience in operation and use, good parking stability and strong locking adjustability.

The invention provides an electronic parking mechanism. The electronic parking mechanism comprises a parking ratchet, a parking pallet, a pallet return spring, a parking motor, a gear, a rack, a rackguide rail and an actuating rod; the parking motor is mounted out of a transmission body; a motor shaft of the parking motor penetrates through the transmission body, and is connected with one end ofa gear shaft; the gear fixedly sleeves the gear shaft; the rack is positioned right under the gear; the gear is engaged with the rack; the rack is mounted on the rack guide rail, and can move in the axial direction of the rack guide rail; one end of the rack is fixed with one end of the actuating rod; an actuating block sleeves the other end of the actuating rod; an actuating spring is arranged onthe actuating rod; and an actuating surface of the actuating block is contacted with the inward side surface of the top of the parking pallet. The electronic parking mechanism is reasonable in layout, precise and smooth in power transfer, better in stability and precision and capable of preventing the parking blockage risk.

The invention provides a method for parking a blade electric vehicle through an AMT. On the basis of an original hand brake, the transmission parking function is added, the system cost is not increased, and ramp parking stability is improved. At least two independent automatic gear shifting mechanisms are arranged on the ATM, and each automatic gear shifting mechanism is used for independently controlling a corresponding gear; after a driver presses down a P-gear switch, a TCU receives a switch signal, and when the TCU judges that the vehicle is in the parking state, the at least two automatic gear shifting mechanisms are independently controlled to forwards move at the same time; at the moment, the controlled automatic gear shifting mechanisms enter corresponding gears, and at least two gears are engaged in the transmission at the same time; as the speed ratios of gears are different, the rotation freedom degree of an input-output shaft of the transmission is 0, the transmission is in the locked state, the output shaft of the transmission cannot be rotated, wheels cannot rotate accordingly, and the vehicle is in the parked state.

The invention discloses a P-gear parking mechanism and a car. The P-gear parking mechanism comprises a shell, a parking gear, a pawl, a check block, a pull rod assembly and an executing mechanism. Thepawl is pivotally mounted in the shell, and the pawl is spaced from the parking gear in a non-parking state. The check block is fixedly connected with the shell, and located on the side, away from the parking gear, of the pawl. The pull rod assembly is located between the pawl and the check block. The executing mechanism is connected with the pull rod assembly through a cam plate, so that the pull rod assembly is suitable for abutting against the check block and the pawl to push the pawl to rotate to lock the parking gear. A limiting pin is arranged on one of the cam plate and the pawl, and alimiting groove is formed in the other of the cam plate and the pawl. In the non-parking state, the limiting pin stretches into the limiting groove to limit rotation of the pawl. The P-gear parking mechanism is good in gear engagement parking stability and high in structural reliability, a locking structure is designed, and therefore it can be avoided that the car is in gear by mistake when jolting.

The invention provides a high-forming baking-resistant 5xxx series aluminum alloy plate and a preparation method thereof. Comprising the following steps: sequentially carrying out ingot casting, two-stage homogenization treatment, hot rolling, intermediate annealing, cold rolling and final annealing on aluminum alloy raw materials comprising 5.0-7.5 wt% of Mg, 0.15-0.6 wt% of Cu, less than or equal to 0.1 wt% of Si, 0.1-0.4 wt% of Fe, 0.05-0.15 wt% of Mn, less than or equal to 0.05 wt% of Cr, less than or equal to 0.1 wt% of Ti, less than or equal to 0.15 wt% of inevitable impurities and the balance of Al, and carrying out different homogenization processes on materials with different Mn contents to obtain the high-forming baking-resistant 5xxx series aluminum alloy plate. Through adjustment of aluminum alloy components and cooperation of a preparation process, the plate has good forming performance, baking resistance and mechanical performance, YPE is 0, and the comprehensive performance is obviously superior to that of an existing 5-series high-strength aluminum alloy material.

The invention discloses a temporary parking slope-parking system and a vehicle, and relates to the technical field of vehicle parking braking. The temporary parking slope-parking system comprises a mechanical parking device, a pneumoelectric double-control memory valve and a pneumatic parking device; the mechanical parking device comprises a manual valve, a first parking relay valve and a spring brake cylinder, and the manual valve and the first parking relay valve are both connected with an air source; the pneumoelectric double-control memory valve is provided with a control valve air inlet, a control valve air outlet, a control valve air outlet and an electrical interface, the electrical interface can be communicated with a power supply to drive a valve block to move to a first preset position and keep the valve block, and a control valve control port can be communicated with a first air inlet through a first air outlet to drive the valve block to move to a second preset position and keep the valve block; and the pneumatic parking device comprises a second parking relay valve and a brake air chamber, the second parking relay valve and the pneumoelectric double-control memory valve are both connected with the air source, and the second parking relay valve is connected with the brake air chamber. The parking stability, reliability and safety are improved.

The invention relates to a lifting hook type bicycle parking device. The lifting hook type bicycle parking device is characterized in that a plurality of stand columns are evenly distributed and fixedly installed on a bottom plate, the stand column at the leftmost end and the stand column at the rightmost end in the multiple stand columns are provided with support columns, a top plate is fixedly mounted between the support columns, clamping grooves are fixedly mounted at the positions, located on one sides of the stand columns, of the bottom plate, foot pedals are rotationally installed on theother sides of the stand columns, the ends of the foot pedals are connected to springs, the springs are fixed to the bottom plate, the foot pedals are connected to transmission mechanisms through connecting lines, the transmission mechanisms are connected with wheel lifting hooks, the bottom plate is provided with clamping hook mounting plates, the clamping hook mounting plates are provided withclamping hooks, and clamping rings are arranged on the foot pedals. The lifting hook type bicycle parking device is scientific and reasonable in physical design, ingenious in structure, convenient tooperate and capable of achieving quick parking and taking of bicycles, saves space, and improves the space utilization rate.

The invention discloses a bicycle. According to the technical scheme, the bicycle is characterized in that the bicycle comprises a bicycle frame, a kickstand device and a rear wheel rotationally connected with the bicycle frame, the bicycle frame is rotationally connected with a front fork, the front fork is rotationally connected with a front wheel, a fender is fixedly arranged on the front fork,an insertion fixing component is arranged between the fender and the bicycle frame and comprises an insertion through groove formed in the bicycle frame, a fixing groove is formed in the fender, an insertion fixing rod is inserted in the insertion through groove, when the insertion fixing rod extends into the fixing groove, the axes of the front wheel and the rear wheel are parallel, and the effect that the parking stability of the bicycle is improved is achieved.

The invention relates to a leveling device for vehicle carrying plates of a ferris wheel stereo parking garage and a leveling method of the leveling device. The leveling device for the vehicle carrying plates of the ferris wheel stereo parking garage comprises hanging baskets, controllers and the vehicle carrying plates. Angle sensors are arranged on the vehicle carrying plates, sliding groove frames are arranged on base plates, and driving thrust mechanisms are arranged in the sliding groove frames and comprise connecting rods A, connecting rods B and fixed blocks A. threaded rods are transversely arranged between the two fixed blocks A, one ends of the threaded rods are connected with the fixed blocks A, and the other ends of the threaded rods are connected with worm gear motors. Slidingblocks A are arranged in the sliding groove frames, the sliding blocks are matched with the threaded rods in a threaded mode, the lower ends of the connecting rods A are hinged to the fixed blocks A,swinging blocks are hinged to the upper ends of the connecting rods A, the upper ends of the connecting rods B are hinged to the middles of the connecting rods A, and the lower ends of the connectingrods B are hinged to the sliding blocks A. Guiding clamping grooves are formed in the lower parts of the vehicle carrying plates, the swinging blocks are arranged in the guiding clamping grooves andcan slide in the transverse direction in the guiding clamping grooves, the angle sensors and the worm gear motors are electrically connected with the controllers, the leveling device for the vehicle carrying plates of the ferris wheel stereo parking garage can level the vehicle carrying plates, and the parking smoothness of the parking hanging baskets is improved.

The invention discloses a brake retaining device of an electric sweeper, which comprises a bracket, a long foot bar, a short foot bar, a spring and an inhaul cable. A right end of the long foot bar is connected with the inhaul cable, and the long foot bar is hinged with the bracket through a pin to form a lever type brake mechanism. The short foot bar is installed on the long foot bar through a mandrel and a hinge pin, the downside of the short foot bar is provided with a ratchet to mesh with a fan-shaped ratchet wheel raised on the long foot bar; and the short foot bar of a cantilever keeps the position under the action of the inhaul cable and locks the long foot bar, therefore the purpose of parking after brake is realized. The integrative installing structure of the long foot bar and the short foot bar is located in the same one foot control scale, when the long foot bar is stepped to carry out the brake, the short foot bar also can be stepped; the brake retaining device is convenient to operate, good in timeliness, likely to lock, and stable and reliable in parking. The invention is applicable to be matched with various sized sweepers as well as ordinary locomotives.

The invention provides a multi-angle information display device for urban planning and layout, and aims to solve the problems that an existing information display device is inconvenient to synchronously shield and protect a plurality of display screens, stably stop during use and adjust the inclination angles of the display screens, the multi-angle information display device comprises a base, and four display screens are arranged above the base; the top of the base is fixedly connected with a square pipe and a vertical rod located in the square pipe, and the top end of the vertical rod is fixedly connected with a top plate. Synchronous shielding protection, synchronous inclination adjustment and automatic stable stop during use of the four display screens can be conveniently achieved through single drive, and shielding removal, stable stop and inclination angle adjustment can be achieved through single drive in a dislocation leveraging linkage mode during use; and after use, the four display screens can be shielded and protected and the stable stop state can be relieved through single drive, the risk that the display screens are damaged due to long-time exposure when not in use is reduced, numerous drive devices do not need to be additionally and independently arranged, the automation degree is high, and the use requirement is met.

The invention discloses an international trade customs declaration and inspection process teaching display device and method.The international trade customs declaration and inspection process teaching display device comprises a playing screen, a box-shaped base with an opening in the bottom is arranged below the playing screen, and a storage protection mechanism matched with the playing screen is arranged on the box-shaped base; and the box-shaped base is provided with a stable stop type walking mechanism matched with the storage protection mechanism, the storage protection mechanism comprises a supporting rod fixedly installed at the top of the box-shaped base, and the top end of the supporting rod is fixedly connected with a protection box with an opening in the top. The device is reasonable in design, people can conveniently move the device, walking wheels can be automatically stored while the playing screen is moved out, the contact supporting area of the bottom and the ground is increased, the parking stability is improved, the risk of displacement shaking caused by accidental touch during use is reduced, stable parking is achieved, the playing screen can be conveniently stored and protected after use, the damage risk when the playing screen is not used is reduced, and use is facilitated.

The invention discloses a full-disc multi-plate dry type adjustable parking brake which comprises a brake shell, a piston shell and a disc spring supporting cover, wherein the piston shell and the disc spring supporting cover are sequentially and fixedly installed at the rear end of the brake shell through fasteners, and the brake shell, the piston shell and the disc spring supporting cover form a closed cavity. A friction plate set, a piston and a disc spring assembly are sequentially installed in the cavity from front to back, and the disc spring assembly is suitable for pushing the piston to press the friction plate set to achieve braking. A disc spring adjusting pad is arranged between the front end of the disc spring assembly and the piston, a shell adjusting pad is arranged between the brake shell and the piston shell, and abrasion of the friction plate set is compensated by adjusting the thickness of the disc spring adjusting pad and the thickness of the piston shell. According to the full-disc multi-plate dry type adjustable parking brake, the integrality is good, the braking efficiency is high, during actual use, the parking braking force can be adjusted in various modes according to needs, redesign is not needed, the structural design is simple, the manufacturing cost is low, the full-disc multi-plate dry type adjustable parking brake can adapt to different vehicle types, and the application prospect is wide.

The invention belongs to the technical field of construction project management, in particular to a material storage rack for construction project management. The material storage rack comprises a base, and the top of the base is fixedly connected with a first support plate and a third support plate. A first sliding chute is formed in the first support plate, a first groove is formed in the base,and a motor is fixedly connected in the first groove. The material storage rack drives a threaded column to rotate and drive a threaded cap to move up and down by controlling the motor to work. Underthe sliding matching of a sliding rod and a sliding sleeve, a second moving plate is driven to move up and down, and the size of the space between the second moving plate and a first mounting plate and a second mounting plate can be adjusted. A limiting block of a stacking fixture block is buckled with a second limiting slot of a base fixture block and is buckled with a first limiting slot of another stacking fixture block, the stacking operation is carried out in sequence, and first semicircular clamping slots of two stacking fixture blocks form a circular slot which can safely store cylindrical materials and avoid accidents caused by sliding.