12 results about "Crank Arm Assembly" patented technology

The utility model discloses a novel rapid disconnecting switch type electric braking device, which comprises an isolated-phase enclosed busbar cylinder, a main loop conductor, a static contact, a movable guide rod, a short-circuit copper bar, a transmission mechanism, an operating mechanism, a control box and the like, and is characterized in that the electric braking device is in three-phase linkage control, and is in three-phase short circuit at the tail end of the device to form braking short-circuit current; contact of a moving contact and a static contact of a main loop of the device is designed in a sliding connection mode, the transmission mechanism integrally adopts a swing rod mode to drive a moving guide rod to ascend or descend, and the operating mechanism is composed of a three-phase asynchronous motor, a gear reducer, an energy storage assembly, a crank arm assembly and other elements. And the transmission mechanism is driven by the external swing arm and the connecting rod to perform quick opening and closing actions.

The utility model discloses a railway hand brake crank arm lock which comprises a brake lock sleeve and a crank arm assembly. And a brake pad is movably mounted on the inner side of the brake lock sleeve. The crank arm assembly comprises a fixing base, a pressing rod, a crank arm rod, a linkage piece and a lock catch arm. One end of the pressing rod and one end of the crank arm rod are rotationally installed on the surface of the fixing base through rotating shafts respectively. Through manual operation, the crank arm rod deflects on the surface of the fixing base, the linkage piece is synchronously driven to deflect, the pressing pin on the linkage piece slides to the pressing opening along the surface of the pressing rod, and therefore the pressing rod is pushed to deflect, and the brake piece is driven to achieve rapid braking. After braking is completed, the stop tongue abuts against the abutting groove to form a self-locking state, loosening and springback are prevented, and stability and safety of braking are guaranteed. The utility model has the advantages of high braking response speed, flexibility in operation, stability in locking, reliability in resetting and the like, and is suitable for various railway braking systems.

The utility model discloses a double-clamping-arm comprehensive packaging machine with a door. The problems that in the prior art, a packaging machine is single in packaging mode and poor in comprehensiveness are solved. The double-clamping-arm comprehensive packaging machine with the door comprises a machine box, a feeding hopper is arranged on the upper portion of a feeding area of the machine box, rotating shaft type clamping arm pressing mechanisms are arranged on the left side and the right side of a packaging area of the machine box, and a cabin door is arranged at the transverse outlet end of the machine box. The rotating shaft type clamping arm pressing mechanism comprises rotating shaft crank arm assemblies arranged on the two sides of the transverse outlet and clamping arm plates arranged on the left side and the right side of the machine box, and the rotating shaft crank arm assemblies correspond to the clamping arm plates. According to the cabin door and rotating shaft type clamping arm pressing mechanism, integration of a clamping arm type packaging machine and a packaging machine with a door is achieved, one device can select different packaging modes according to different types of materials and material quantities, cost is saved, and packaging efficiency is high. The rotating shaft type clamping arm pressing mechanism adopts the form of a rotating shaft and a crank arm and is integrated with the cabin door, the transverse size of a case packaging area is reduced, and the structure is more compact.

The utility model relates to an environment-friendly load switch, which comprises a mechanism frame, a main shaft, three insulators, three isolation knives, three groups of crank arm assemblies, a grounding contact assembly and three groups of static contact assemblies, the static contact assembly comprises a conductive busbar, a static contact, a vacuum arc-extinguishing chamber, a support frame arranged on the fixed beam, a conductive member which is rotatably arranged on the support frame and is electrically connected with the vacuum arc-extinguishing chamber, and a torsion spring arranged between the conductive member and the support frame. And the opening piece is rotatably arranged on the support frame and is used for driving a pull rod of the vacuum arc-extinguishing chamber to execute an opening action, when the isolation knife executes the opening action, the conductive piece acts along with the isolation knife and drives the opening piece to act, and the opening piece drives the pull rod of the vacuum arc-extinguishing chamber to execute the opening action. The high-voltage switch cabinet has the advantages of simple structure, stable and reliable performance, strong breaking capacity, small volume, good insulating property, high safety and modularization.

This utility model provides an isolation mechanism, comprising: an isolation operating shaft with a first driven crank arm assembly, the first driven crank arm assembly having a first drive shaft; a grounding operating shaft with a second driven crank arm assembly, the second driven crank arm assembly having a second drive shaft; and an output shaft rotatably mounted on a switch body and used to drive the knife switch actuation. A drive plate is fixedly mounted on the output shaft, the drive plate having a positioning block located in the center and two symmetrically distributed track grooves on both sides of the positioning block, the two track grooves respectively allowing the corresponding first drive shaft and second drive shaft to move within them. In the open position, the first drive shaft and second drive shaft respectively abut against the sides of the positioning block; during the open position, the first drive shaft and second drive shaft simultaneously abut against the sides of the positioning block, and maintain double-axis abutment against the positioning block before the spring passes through the center, thereby ensuring that the knife switch position does not rotate, improving reliability compared to the prior art.

The utility model provides a kind of auxiliary switch drive mechanism for hydraulic operating mechanism belongs to drive mechanism structure technical field, by the prior art guide block sliding slot drive pre-stage crank arm+shaft pin+roller structure is changed into connecting plate and crank arm combination, with piston rod and guide block linear motion drive connecting plate crank arm assembly around spline shaft does variable radius rotation, change rotary radius by telescopic motion, reduce overall size, meet the use requirement of existing limited space, solve the long-stroke hydraulic operating mechanism auxiliary switch drive mechanism component interference problem, and through post-stage transmission component, realize auxiliary switch normal transmission and switching function;Connecting plate one end is hinged with guide block by shaft pin screw, the overall structure of connecting plate long hole sliding slot and shaft pin and roller assembly sliding and rolling installed on crank arm, reduce transmission friction resistance.

The utility model discloses a kind of opening and closing buckle plate crank arm assemblies, it is related to the technical field of crank arm, including main rod body, auxiliary rod body, connecting mechanism and clamping mechanism, auxiliary rod body is respectively arranged at the top end and bottom end of main rod body;Connecting mechanism is arranged at the outside of main rod body;Clamping mechanism is arranged between auxiliary rod body, for fixing auxiliary rod body and connecting mechanism.The utility model utilizes the setting mode of cooperation of main rod body, auxiliary rod body, connecting mechanism and clamping mechanism, utilizes clamping mechanism and can connect main rod body and two auxiliary rod bodies and connecting mechanism into a complete crank arm, when one component in main rod body and two auxiliary rod bodies and connecting mechanism is damaged, it can be individually disassembled and replaced, without entire replacement, effectively reduce maintenance cost and material loss, greatly shorten equipment downtime, improve maintenance efficiency, convenient to use.

The utility model discloses a rail transit fuse device with fusing indication, which comprises a bottom shell, a fuse arranged in the bottom shell, a crank arm assembly which is rotatably arranged in the bottom shell and is in contact with a firing pin of the fuse, a cover plate which covers the upper part of the bottom shell, and a sliding block which is arranged on the cover plate and can be elastically reset, the lower side of the sliding block abuts against the upper end of a crank arm of the crank arm assembly, indicating strips are arranged on the sliding block, indicating holes are formed in the cover plate, and different indicating strips are displayed in the indicating holes through sliding of the sliding block on the cover plate. The device is reliable in structure and good in use performance, the crank arm assembly drives the sliding block to move, and the sliding block is matched with the indication strip, so that an inspection worker can observe the plate turning state of the fuse device through the visual grounding device high-voltage chamber observation window, and timely find whether the fuse is burnt out or not; the state of the fuse can be detected without opening a high-voltage chamber of the grounding device, which is convenient and fast.

The crank arm assembly comprises a crank arm and a sensor. The crank arm has a rotational axis that defines an axial direction. The sensor is attached to the crank arm. The crank arm contains at least two anisotropic layers. These at least two anisotropic layers include a first anisotropic layer and a second anisotropic layer. The first anisotropic layer defines a sensor assembly area in the axial direction. The sensor is located at least partially within this sensor assembly area in the axial direction. The second anisotropic layer is located at least partially outside the sensor assembly area in the axial direction. The first anisotropic layer is distinct from the second anisotropic layer.

The utility model discloses an angle-adjustable arm seat assembly which comprises an arm seat main body and a crank arm assembly, and further comprises a rotating assembly which is arranged in the arm seat main body, and one end of the crank arm assembly is hinged to the rotating assembly; the adjusting assembly is used for controlling the rotating angle of the rotating assembly in the arm seat main body; and the locking assembly is matched with the rotating assembly and limits rotation of the crank arm assembly after angle adjustment. On the premise that the angle adjusting function is achieved, when the crank arm assembly is in an open state, the shaft body is matched with the locking block, the adjusting block at any position can be limited, and meanwhile it is guaranteed that limiting can be automatically relieved after folding, and return of the crank arm assembly is not interfered.

The utility model provides a starter control unit, which comprises a mutual inductor, an insulating support bracket, a starter control unit and a wire spring connector, the starter control unit is connected with a wire outlet end and a wire inlet end of the mutual inductor through the wire spring connector in an inserting manner, and a core penetrating structure is adopted, so that the total size of the overall structure is reduced while the requirement of large current is met, and the starter control unit is not damaged under the condition of external vibration. The starter control unit is formed by attracting a crank arm assembly through an electrified magnet assembly and attaching the crank arm assembly to a vacuum tube assembly, contact is more reliable, the plugging force is low, and the starter control unit has high vibration resistance and impact resistance. The wire outlet end and the wire inlet end are respectively provided with a wiring nose, insulation paper is arranged between every two adjacent wiring noses, the insulation paper has the effects of preventing arc splashing during working and avoiding short circuit of every two adjacent wiring noses, and insulation is enhanced.

The utility model relates to a flat iron type grounding interlock, which comprises a front side plate and a rear side plate arranged at one end of the front side plate, a support is arranged in the front side plate, a bent plate is connected onto the support, sliders are arranged on two sides of the bent plate, a crank arm component and an interlock component are respectively arranged in the rear side plate, and an operating shaft is arranged between the support and the crank arm component. According to the utility model, through the combination design of the front side plate and the rear side plate and the ingenious layout of the support, the bent plate, the crank arm assembly and the interlocking assembly, the whole grounding interlocking structure is compact and occupies a small space, and meanwhile, through the arrangement of the operation shaft and the opening and closing cover, the guide groove and the like which are matched with the operation shaft, the operation process is more convenient, and the operation efficiency is improved. A user can realize interlocking opening and closing through simple actions.