65results about How to "Guaranteed buffer" patented technology

The invention relates to a gripper (1), in particular a Bernoulli gripper for holding two-dimensional components such as silicon-based wafers (2) with a low degree of loading, having a clamping ring (4) connected to a controllable robot arm (3), having a baffle plate (6) which is connected to the clamping ring (4) by means of a funnel-shaped component (5) and has a gripping face (7) which communicates with a flow system (8) which passes through the funnel-shaped component (5) and the baffle plate (6) and by means of which, after an excess pressure has been applied to the Bernoulli gripper (1),a negative pressure is to be produced on the gripping face (7) of the baffle plate (6) in order to attach by suction the wafer (2) to be gripped, having a rubberized bearing surface (9) of a bearingring (10) which is integrated in the gripping face (7) and provides a slip-resistant movement of the wafer (2) attached to the gripping face (7) by suction, and having a sensor (11) for detecting thewafer (2) attached to the gripping face (7) by suction. In order to permit an extremely shock-resistant attachment of the wafer to be gripped on the gripping face of the gripper, the invention provides a damping device (12) which is circumferentially adapted to the gripper (1), the contour of which device, as viewed in the plan view of the gripper (1), protrudes circumferentially above the contourof the latter, and which device forms such a damping resistance for the wafer (2) to be gripped during its suction-induced approach towards the gripping face (7) that the wafer (2) comes to bear in ashock-free manner against the rubberized bearing surface (9) of the bearing ring (10).

The invention discloses an angle ejection device for an injection mold. The angle ejection device comprises an angle ejection and an angle ejection mounting portion. The angle ejection slides relatively to the angle ejection mounting portion and is rotatablely arranged on angle ejection mounting portion; the angle ejection mounting portion is arranged between a face needle plate and a bottom needle plate of the injection mold; the bottom needle plate is provided with a light hole and a limit screw passing through the light hole, and the front end of the limit screw is fixedly connected to the angle ejection mounting portion; and a polish rod of the limit screw is sleeved with a compression spring, which is positioned between the bottom of the light hole and the head of the limit screw, or positioned between the bottom of the bottom needle plate and the head of the limit screw. According to the angle ejection device for the injection mold provided by the invention, the compression spring is sleeved on the limit screw to exert certain pretension on the angle ejection mounting portion; and when the angle ejection device can not reset accurately due to thermal expansion and cold contraction, certain buffer of the angle ejection device can be ensured, so as to avoid problems of screw snap or angle ejection breaking.

A sending transmission control protocol (TCP) host is used in a first network node (106) to transmit TCP flows over a network segment to a receiving TCP host in a second network node (104). The sending TCP host comprises a TCP convergence module for aggregating all TCP flows through the network segment between the first network node (106) and the second network node (104) into an aggregate TCP flow (112). The receiving TCP host comprises a TCP convergence module for disaggregating the TCP flows from the aggregate TCP flow (112).

The invention belongs to the technical field of polyethylene pipes, and specifically discloses a high-strength polyethylene pipe for a building. The high-strength polyethylene pipe for the building comprises an outer pipe body, an inner pipe body, a support module and a buffer module, wherein the outer pipe body sleeves the outer side of the inner pipe body, and an annular cavity is formed betweenthe inner wall of the outer pipe body and the outer wall of the inner pipe body; the support module and the buffer module are arranged at the inner side of the annular cavity; and the support modulecomprises a first annular steel sheet, a second annular steel sheet and insertion-connection teeth; the first annular steel sheet is arranged on the inner wall of the middle part of the outer pipe body; the second annular steel sheet is arranged on the outer wall of the middle part of the inner pipe body; and the insertion-connection teeth are arranged on the adjacent sides of the first annular steel sheet and the second annular steel sheet separately. According to the high-strength polyethylene pipe for the building, the outer pipe body and the inner pipe body are supported through the co-action of the buffer module and the support module, so that the buffer efficiency is effectively increased; and force relief is carried out between the outer pipe body and the inner pipe body by virtue of a cross elastic frame or an elastic packing auger, so that the damage probability of the outer pipe body due to local stress is lowered, and the service life of the polyethylene pipe is prolonged.

The invention discloses a pair of shoe pads capable of adjusting buffering power, comprising shoe pad surface layers and buffering cushions, wherein the arches of the shoe pad surface layers are provided with upwards-concaved concave parts, the buffering cushions and the concave parts are fit with each other and fixed with each other by disassemble fixing devices, the buffering cushions are internally provided with filling cavities, the filling cavities are internally provided with elastic filling materials, and each shoe pad is provided with the plurality of elastic filling materials with different rigidities. The shoe pads capable of adjusting buffering power provided by the invention can be adjusted according to the requirement of various foot shapes.

The invention discloses a coupler for a car. The coupler comprises a connecting shaft, conversion parts, connecting pieces, center holes, positioning holes, pins, driven shafts, buckles and driving shafts; the conversion parts are arranged on the left side and the right side of the connecting shaft, the driving shafts are arranged on the outer sides of the conversion parts, the buckles are arranged on the outer sides of the driving shafts, the driven shafts are arranged in the buckles, the pins are arranged at the two ends of each driven shaft, the connecting pieces are arranged on the front ends of the conversion parts, the center holes are formed in the center portions of the connecting pieces, and the positioning holes are formed in the end faces of the connecting pieces. The coupler iseasy and convenient to mount, safety is higher, machining cost is low, the mounting, dismounting and maintaining process is simple and convenient, the coupler can ensure higher centering of two shafts, transmission torque is large, buffering is ensured, vibration is reduced, during work, deforming or thermal expansion is not prone to happening, and therefore the occurrence probability of axial shifting and the like caused by reasons of deforming, or thermal expansion and the like during work is low.

The invention discloses a storage apparatus for hardware products, and relates to the technical field of hardware products. The storage apparatus for hardware products comprises an outer frame, buffering rods are fixedly connected with the bottom of the inner wall of the outer frame, movable plates are fixedly connected with the top ends of the buffering rods, stabilizing apparatuses are fixedly connected with two sides of the top parts of the movable plates, each of the stabilizing apparatus comprises a fixing frame, the bottom parts of the fixing frames are fixedly connected with the top parts of the movable plates, two sides of the inner wall of the fixing frame are fixedly connected with inner frames, movable rods are arranged one sides of the inner frames in a penetrating mode, the ends, arranged on the inner parts of the inner frames, of the movable rods are connected with limiting plates. According to the storage apparatus for hardware products, the goal that the hardware products are convenient to be fixed is achieved, stability of the hardware products is ensured, shaking of the hardware products is avoided, damage of the hardware products is prevented, and buffering to the apparatus is effectively ensured at the same time, and the safety performance is better.

The invention discloses an installation structure and a design method of a wedge hammer for a boulder stratum earth pressure balance shield. The whole has a large upper part and a small lower part, including the enlarged cutter head of the upper part and the cylindrical cutter body of the lower part, and the cutter head and the cutter body are arranged with alloy blocks; A buffer reset mechanism is arranged between the bottom of the tool and the bottom of the tool box, and the buffer reset mechanism includes an outer shape structure of the bottom of the wedge knife and a buffer and rebound device. The invention provides an installation structure and a design method of a wedge hammer for an earth pressure balance shield in boulder stratum. By designing the wedge hammer installation structure, an earth pressure balance shield that can be applied in a stratum rich in large-sized boulders can be obtained. Wedge striker. The application field of earth pressure balance shield construction is expanded, and the excavation efficiency of earth pressure balance shield construction in boulder formation is improved.

The invention belongs to the field of elevators and particularly relates to a high-safety lifting elevator. The high-safety lifting elevator comprises a shaft and an elevator car. An arch-shaped buffer plate is arranged at the bottom in the shaft. An upper buffer air bag is arranged on the upper surface of the arch-shaped buffer plate. Multiple buffer rubber strips are evenly distributed at the bottom of the elevator car. The two ends of the arch-shaped buffer plate are connected with the bottom of the shaft through arch plate unfolding offset components. Each arch plate unfolding offset component comprises a slideway track groove plate fixedly arranged at the bottom of the shaft and provided with track grooves, arch plate contracting sliding strips integrally connected to the outer sides of the two ends of the arch-shaped buffer plate and arranged in the track grooves, a right-angled folding plate fixedly connected to the arch-shaped buffer plate and the slideway track groove plate and a buffer spring with the two ends connected between the side portion of the right-angled folding plate and the inner side wall of the shaft. According to the high-safety lifting elevator, arch plates cannot move freely due to the arch plate unfolding offset components and only can contract in the two-end direction, it can be guaranteed that the arch plates are buffered to the best effect, the buffer capacity of the arch plates is improved due to the buffer springs, the buffer effect is improved, and the protection function on the arch plates is played.