37results about How to "Easy brake operation" patented technology

An electric-powered vehicle includes electric-powered drivers for driving wheels, a controller for controlling the electric-powered drivers to generate an assisting driving force in accordance with a vehicle operating force by an operator, and a brake-operation unit for applying braking forces on the wheels. The vehicle also includes a brake-operation detector for detecting a brake operation performed by the brake-operation unit. When the brake-operation detector detects the brake operation, the controller controls the drivers to reduce the assisting driving force. This structure solves a problem caused by simultaneous generation of the braking forces and the assisting driving force.

The invention relates to an eye vision measuring apparatus. The eye vision measuring apparatus comprises a base and a storage slot; internal through grooves are arranged inside both the left end and the right end of the bottom of the base; a transmission rotor is arranged at the middle of a bottom end of the base; an inner groove is arranged outside the transmission rotor; a top end of the inner groove is connected with a limit plate; a top end at the middle of the base is connected with a central column strip; a slot is arranged inside the central column strip; a slot post is arranged at an inner end of the slot; a central storage piece is arranged at the middle of the slot post; and a feeding port is connected with the outer side of a top end of the central storage piece. The eye visionmeasuring apparatus has the following beneficial effects: by arranging the storage slot, a connecting piece and a spring column, the eye vision measuring apparatus is capable of connecting and placingthe connecting piece through the storage slot with large caliber; cooperated use of the connecting piece with side connecting bolts is facilitated by curved structures at both the left end and the right end of the connecting piece; and the connecting piece is pushed downward under elastic force of the spring column, so that, descending of the limit plate is facilitated so as to carry out brake operation.

A brake device for an exercise bicycle comprises a frame and a brake mechanism; the frame includes a front frame, a rear frame and a liftable front that is placed on the top of the front frame; the brake mechanism comprises a brake wrench arranged on the vehicle head, a brake leather bracket arranged on the outer periphery of the flywheel, and a brake wire connecting the brake leather bracket andthe brake wrench; the brake leather bracket is pivotally connected with the frame, and one end thereof is connected with a brake wire; an upper part of the brake line is arranged along the pipe cavityof the front frame, and the upper end is connected with a brake wrench; a lower part of the brake line penetrates a guide hole of a side wall of the bottom part of the front frame and is connected with a brake leather bracket; and a curling section is arrange at the lower part of the brake line, the curling section is longer than the lifting and lowering adjustment distance of the front frame. The brake device for the exercise bicycle has the advantages of simple structure, fast braking operation, convenient braking operation, easy braking operation, not only realizing the height adjustment of the head, but also ensuring the normal operation of the brake device.

The invention relates to the technical field of neurology department auxiliary instruments, in particular to a neurology department walking auxiliary device which comprises a frame, a protective plate and a connecting plate connecting the frame and the protective plate, supporting arms are hinged to the two sides of the middle of the protective plate respectively, and driving handles are fixed to the supporting arms; driving wheels are hinged to the two ends of the bottom of the frame respectively, a control box is fixed to the frame, an auxiliary frame is hinged to one side of the frame, auxiliary wheels are hinged to the two ends of the bottom of the auxiliary frame respectively, a supporting plate is hinged to the connecting plate, and the bottom face of the supporting plate makes contact with the top end of the frame. The walking assisting device for the neurology department is easy to control, convenient to use, convenient to fold, high in stability, convenient to carry articles and convenient to brake, and the walking assisting device is used for overcoming the defects in the prior art.

The invention discloses a replaceable household scrubbing brush, including a brake part, wherein the brake part is fixedly arranged to be in a disc shape. Handles are fixedly connected to the two sides of the upper surface of the brake part. The interior of the brake part is hollow, a motor is fixedly connected to the center of the interior of the brake part, the motor is arranged downwards, the lower end of the motor is rotationally connected with a switching block, the two ends of the switching block penetrate through the upper surface and the lower surface of the brake part correspondingly,and an adjusting part is fixedly connected to the lower end of the switching block. In the present invention, a braking device is adopted, and the self-rotation operation of the scrubbing brush is realized; through matching of manual brushing operation, the brushing efficiency is improved, the operation time is reduced, and a clean and tidy brushing effect is achieved; a hand-held part is arranged, so that the operation position can be provided for the hand; a rubber cushion layer is arranged on the inner side of the handle, and a switch is arranged at the front end, so that the braking operation is convenient; bristles are adjustable, the internal bristles are long, and the bristles are provided after the bottom bristles are abraded, so that the long-term use of the scrubbing brush is ensured.

The invention provides a moveable climbing ladder. A framework assembly is composed of longitudinal beams, vertical beams, horizontal beams, barrier supporting columns and barriers in a combined welding mode, wherein the longitudinal beams, the vertical beams and the horizontal beams are formed through blanking of rectangular steel tubes, and the barrier supporting columns and the barriers are formed through blanking of steel tubes. Mask plates are in rivet connection with the framework assembly, a carpet is paved on the framework assembly, and pressing strips are installed on the framework assembly. Two casters and two universal casters are welded to the lower plane of the framework assembly correspondingly, and when the moveable climbing ladder is used, a user can linearly and rotatably push the moveable climbing ladder conveniently. Brake pedals are installed on the two universal casters, and braking operation can be conducted conveniently through feet, so that the moveable climbing ladder can stop on a door of a driving cab of a heavy truck and does not move, customers are facilitated, and specially, the moveable climbing ladder can be used when a superior leader needs to board the driving cab to observe or visit interiors, diversified instruments and decoration and arranging situations of all manipulating parts of the driving cab. The moveable climbing ladder can also be used for climbing to set up a stage when heavy truck marketing enterprises hold promotion activities.

The invention discloses a mobile bracket of oxygen welding equipment; and a longitudinal beam and a cross beam manufactured by square steel pipes and a support plate and a panel manufactured by steel plates are welded as a bracket with two sections of recesses. Two universal trundles are welded at the lower part of the left end of the bottom of the bracket; two trundles are welded at the lower part of the right end of the bottom of the bracket; and trolley handles manufactured by round steel pipes are welded on the inner and outer sides of the left end of a bottom frame. An acetylene gas bottle is supported and fastened on the bracket; and similarly, an oxygen bottle is supported and fastened on the bracket. When an oxygen welding operation position needs to move, users can conveniently realize linear and steering pushing of the oxygen welding equipment and the bracket. Brake pedals are arranged on the two universal trundles for convenient braking by feet, so that the oxygen welding equipment and the bracket are stopped in situ without moving. The mobile bracket of the oxygen welding equipment is flexible and convenient for use, and can be widely applied to related working process needing an oxygen welding process as vehicle trail manufacturing and maintenance.

The invention discloses a braking structure of a sweater sewing device. The structure comprises a pedal, a height adjusting member, a first vertical connecting rod, a second vertical connecting rod, aswing rod and a pull rod; the height adjustment member comprises a sleeve tube, the sleeve tube is horizontally arranged, inner threads are arranged on inner walls of the two ends of the sleeve tube,adjusting bolts are connected with the two ends of the sleeve tube, two through holes which penetrate through the upper and lower surfaces of a sleeve tube body of the sleeve tube are formed in the sleeve tube body, the upper portion of the first vertical connecting rod is installed in one of the through holes in a penetration mode and fastened through one of the adjusting bolts, the lower end ofthe first vertical connecting rod is fixed on the pedal, the lower portion of the second vertical connection rod is installed in another through hole in a penetration mode and fastened through another adjusting bolt, the upper end of the second vertical connection rod is hinged to one end of the swing rod, the pull rod is of a reversed S-shaped structure which is formed by the connection of two reversed U-shaped parts, one end of the pull rod is hinged to the swing rod, and a supporting block used for supporting and pushing the middle of the pull rod when the swing rod swings downwards is arranged on the swing rod. The sweater sewing device has the advantages of being simple in structure and convenient to operate.

The invention discloses a brake control method of an engineering vehicle and a brake control device of the engineering vehicle. The method comprises the steps: judging whether a brake instruction is obtained or not; under the condition that the braking instruction is obtained, obtaining the vehicle speed information and load information; generating a corresponding brake control strategy based on the vehicle speed information and the load information, wherein the brake control strategy acts on at least one brake mechanism; and controlling the at least one brake mechanism to execute corresponding brake operation based on the brake control strategy. All the brake mechanisms of the engineering vehicle are uniformly controlled, and in the actual brake process, one or more corresponding brake mechanisms are automatically controlled to execute brake operation according to the actual brake requirement, so the brake operation of a driver is greatly simplified, misoperation is effectively avoided, the output brake force is reasonably distributed, the problem of sudden braking caused by overlarge braking force is avoided, user experience is improved, effective braking is guaranteed, and braking safety is guaranteed.

The invention discloses a railway electronic speed limit indicator and an application method, and the railway electronic speed limit indicator comprises a ground speed limit board which is arranged in a railway speed limit area and is used for displaying speed limit information; the vehicle-mounted receiver is arranged on the locomotive and is in two-way wireless communication connection with the ground speed limit board; and the group operation protector is arranged in a railway staff operation area and is in two-way wireless communication connection with the ground speed limit board and the vehicle-mounted receiver respectively. The ZigBee wireless communication technology is used for enabling every two of the ground speed limit board, the vehicle-mounted receiver and the group operation protector to be in two-way wireless communication connection, and mutual information transmission is facilitated. In addition, a Beidou signal receiving module and an AFLT positioning module are embedded in the ground speed limit board, the vehicle-mounted receiver and the group operation protector respectively, so that the position information of the ground speed limit board, the vehicle-mounted receiver and the group operation protector can be accurately acquired. According to the invention, not only is the driving instruction transmitted to the locomotive on the railway realized, but also the accurate coming train information forecast can be provided for the railway field operation personnel.

The invention relates to a rope body structure releasing assembly which comprises a base, a reel and a braking mechanism; the base comprises a seat board and two support rods arranged on the seat board at an interval; the lower ends of the support rods are fixed on the seat board; a sliding chute is formed in the seat board; the reel is arranged between the two support rods; a rope body structureis wound on the reel; the two ends of the reel are hinged to the upper ends of the support rods; the braking mechanism comprises a braking block, a braking rod, a gear, a rack, a deflecting pulley anda draw cord; and under the cooperation of the rope body structure of the reel, the braking rod, the deflecting pulley, the gear, the rack and the draw cord, the braking block can automatically move to the position propped against the reel or to the position separated from the reel. The rope body structure releasing assembly can realize automatic braking.