6results about How to "Affect the clamping effect" patented technology

The application relates to the technical field of shearing experiments, and discloses a supporting and fixing device for shearing experiments of metal material composite plates, which comprises a workbench, the top of the workbench is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with an oil cylinder, the output end of the oil cylinder is fixedly connected with a moving plate, the bottom of the moving plate is fixedly connected with a shearing plate and an extension rod respectively, the end, away from the moving plate, of the extension rod is fixedly connected with a pressing plate, the inner wall of the top of the workbench is slidably connected with a limiting plate, two limiting grooves are arranged on the surface of the limiting plate, the inner walls of the two limiting grooves are movably connected with two moving rods respectively, and one end of the moving rod is fixedly connected with a clamping plate. The clamping plate is gathered and the limiting plate is pressed down, so that the workpiece can be clamped; even if the thickness and the width of the workpiece are changed, the device can still tightly fix the workpiece on the workbench.

The utility model discloses a novel speed limiter rope clamping device for an elevator, and relates to the technical field of elevators. The device comprises a driving box and two first moving plates, a dismounting mechanism and a rope clamping mechanism are arranged on the driving box, the dismounting mechanism comprises rope clamping plates which are fixedly connected to the sides, close to each other, of the two first moving plates respectively, and I-shaped blocks are fixedly connected to the sides, away from each other, of the two rope clamping plates. When the rope clamping plate needs to be replaced through the dismounting mechanism, particularly, after the bolt is loosened, the spring contracts to drive the connecting piece and the positioning pin to move, the positioning pin is separated from the I-shaped block, and therefore the rope clamping plate can be easily taken down; during installation, the I-shaped block is inserted, the fixing plate is pressed to enable the positioning pin to be inserted for limiting, and then the positioning pin is fixed through the bolt, so that disassembly and installation of the rope clamping plate are facilitated, maintenance and replacement are facilitated, and the situation that the clamping effect on the elevator rope is affected by the problems of abrasion, aging and the like occurring in the long-time use process of the rope clamping plate is avoided.

This utility model discloses a welding device for LED light strip processing, including a base, a support frame fixedly connected to the top of the base, an electric push rod fixedly connected to the top of the support frame, and a clamping mechanism. The clamping mechanism includes fixed frames fixedly connected to the top of the base and located on both sides of the support frame. A telescopic airbag is fixedly connected to the top of the fixed frame, a pressure plate is fixedly connected to the bottom of the telescopic airbag, and anti-slip rubber is fixedly connected to the bottom of the pressure plate. An air pump is fixedly connected to the top of the fixed frame. This utility model uses an air pump to supply air into the telescopic airbag, causing it to expand. The expanding airbag, combined with the pressure plate and anti-slip rubber, squeezes and clamps the LED light strip. Because the pressure plate is pushed by the telescopic airbag to clamp the LED light strip, the impact force on the LED light strip is small, thus avoiding damage to the LED light strip and improving the practicality of the welding device.

The utility model provides a positioning tool for machining an engine cylinder cover, which belongs to the field of engine cylinder cover positioning and comprises a base and two groups of fixing blocks arranged on the base, hydraulic cylinders are arranged on the side walls of the two groups of fixing blocks, and the output ends of the two groups of hydraulic cylinders are connected with clamping plates. The cooling mechanism can cool the clamping plate and the machining position of the air cylinder cover at the same time, the cooling mechanism is arranged, the snake-shaped cooling channel can prolong the flowing time of cooling liquid in the clamping plate, and therefore the cooling effect on the clamping plate is improved, and the machining precision of the air cylinder cover is improved. And the situation that the clamping effect of the clamping plate on the workpiece is affected by heat generated during machining is avoided, and the machining precision is improved.

This utility model provides a multifunctional needle holder for thoracic surgery, including a housing and two needle clamping heads. Both needle clamping heads are located at the top of the housing, and each needle clamping head has a clamping groove on its inner side. An assist mechanism is provided within the inner cavity of the housing. The assist mechanism includes a sliding rod, which is fixedly installed within the inner cavity of the housing. Sliding blocks are slidably connected to the left and right sides of the sliding rod surface. Two rigid springs are fixedly installed on the outer sides of the two sliding blocks, and the other ends of the two rigid springs are fixedly connected to the left and right sides of the inner cavity of the housing. Clamping clamps are fixedly installed at the top of each of the two sliding blocks, and gripping rods are fixedly installed at the bottom of each of the two sliding blocks. By setting up the assist mechanism and the auxiliary force applied by the rigid springs, the force exerted by the surgeon's hand can be reduced, preventing prolonged gripping that could cause hand wobbling and affect the stability of the needle holding.