96results about How to "Constant clamping force" patented technology

A bunch sheet depository is described. The depository comprises: a pressure plate for pressing on a bunch of sheets; a picker aligned with the pressure plate and arranged to remove sheets individually from the bunch of sheets; a link arm including (i) a pivot, (ii) an urging portion coupled to the pressure plate and (iii) a resilient member; and an actuator coupled to the resilient member. The actuator is operable, when actuated, to move the resilient member to rotate the link arm about the pivot and thereby cause compression of the bunch of sheets by the pressure plate using a force from the resilient member that reduces as the resilient member relaxes in response to the pressure plate moving as sheets are removed from the bunch of sheets.

The invention discloses a clamping device, in particular to a pneumatic type raised head clamping device. The pneumatic type raised head clamping device comprises a clamping body, a toggle rod mechanism, a cylinder body capable of moving on the clamping body laterally and transversely, a support block capable of supporting a workpiece and a clamping claw capable of clamping the workpiece. The clamping claw comprises a driven end for clamping and a drive end for applying force. The driven end of the clamping claw is connected with the raised head on the upper surface of the clamping workpiece. The middle of the clamping claw is hinged with the clamping body. The support block is connected with the clamping body through a positioning pin. The cylinder is connected with the clamping body through a strong spring. The toggle rod mechanism comprises an upper toggle rod and a lower toggle rod which are connected with the cylinder body through a roll column and a pin. The top end of the upper toggle rod is hinged with the drive end of the clamping claw. The pneumatic type raised head clamping device provides power through the pneumatic device, achieves constant clamping force and fast clamping, and solves the technical problems that a clamping device in the prior art is slow in clamping and inconstant in clamping force.

The invention discloses a grounding cable clamp comprising a cable clamp body. The grounding cable clamp is characterized in that a groove is arranged in the cable clamp body, a movable clamp head capable of moving vertically is embedded into the groove, a fixed clamp head opposite to the movable clamp head is fixedly connected above the cable clamp body, a bolt hole is arranged below the cable clamp body, and an adjustable bolt penetrates through the bolt hole to be fixedly connected with the cable clamp body while connectedly butts against the movable clamp head. A grounding connecting device is arranged on the grounding cable clamp. The grounding cable clamp is high in universality so as to be applicable to cables with various cable diameters, is simple in structure, reasonable in design, balanced in pressure, constant in clamping force, small in contact resistance, stable and reliable in connection, convenient for mounting of a grounding wire, convenient to use and safe to mount, and even can trigger lightning discharge so as to protect the cables.

The invention discloses a clamping device which comprises a first seat body and a second seat body. The first seat body and the second seat body are oppositely arranged. A containing cavity is formed in the second seat body, and a first rack is arranged on the bottom wall of the containing groove. The clamping device further comprises an abutting assembly and a constant-pressure assembly arranged on the abutting assembly. The abutting assembly comprises a movable part, a first elastic part, a gear, a pressure bearing part and a second elastic part. One end of the first elastic part abuts against the movable part, and the other end of the first elastic part abuts against the bottom wall of the containing cavity. The gear is rotationally arranged on the movable part, one side of the gear is meshed with the first rack, and the pressure bearing part is connected to the movable part and comprises a pressure bearing portion opposite to the movable part. The constant-pressure assembly comprises a pressing plate and a second rack, the pressing plate is adjacent to the pressure bearing portion and is arranged on the movable part, one end of the second elastic part abuts against the pressing plate, and the other end of the second elastic part abuts against the pressure bearing portion. The elastic coefficient of the first elastic part is equal to the elastic coefficient of the second elastic part, and the second rack is arranged on the pressing plate and meshed with the other side of the gear. When electronic devices with different thicknesses are clamped, the clamping device can keep the constant clamping force.