13results about How to "Resolve rebound" patented technology

The utility model discloses a novel sinker device for driving an elastic sinker, which relates to the technical field of weaving equipment and comprises a mother board and a sliding board, the mother board is provided with a limiting device, a sinker triangle, a reset triangle and the limiting device form a sinker system together, and the sinker triangle and the reset triangle are sequentially arranged on the periphery of the limiting device. The sinker triangle can correspondingly move up and down due to the left-right sliding of the sliding plate; and when the sinker triangle moves downwards to drive the elastic sinker to retract, the rear edge of the elastic sinker can continuously abut against the extension part formed by the reset triangle until the sinker triangle and the elastic sinker are mutually separated and matched. Compared with the prior art, in the process of driving the elastic sinker to reset, the situation that the elastic presser foot rebounds can be effectively avoided, and the elastic sinker can be normally pulled and retracted.

The invention relates to the field of rubber pad processing, and particularly discloses a rubber pad embossing production line and a production method.The rubber pad embossing production line comprises a frame, a drying box, a conveying mesh belt, a first pressing and holding assembly and a second pressing and holding assembly, and the middle of the conveying mesh belt is located in the drying box and provided with a plurality of forming holes; the first pressing and holding assembly and the second pressing and holding assembly are located on the feeding side and the interior of the drying box correspondingly, and the composite layer is subjected to pre-pressing and secondary pressing through the two sets of pressing rollers so that forming and patterning of liquid rubber on the conveying mesh belt can be achieved. Under the condition that the embossing quality is ensured, the embossing efficiency is improved.

The utility model belongs to mechanical safety and protection device field especially, it is a kind of buffer mechanism of elevator, it includes buffer base, the bottom of buffer base is equipped with four connecting chambers, the inside of four connecting chambers is equipped with four spherical grooves;The bottom of buffer base is equipped with four permanent magnet dampers, the top of four permanent magnet dampers is all fixedly installed with connector, four connectors are respectively matched with corresponding connecting chamber.This utility model can improve the energy absorption efficiency high and wide range of adaptation, cope with high speed or heavy load impact, make overall structure can adapt the multiple working conditions from low speed light load to high speed heavy load, and the oil in hydraulic sleeve can effectively inhibit the elastic rebound of disc spring and alloy spring, avoid the rebound problem of traditional single spring structure, greatly improve the buffering effect of equipment.

The utility model discloses a scouring pad leveling device, which relates to the technical field of scouring pad leveling, and comprises an operating table and a mounting plate, the upper side of the operating table is fixedly connected with a vertical plate, two groups of symmetrically arranged positioning mechanisms are mounted outside the vertical plate, the outside of the operating table is fixedly connected with a mounting seat, and the mounting seat is fixedly connected with a base. A heating mechanism is mounted on one side of the mounting seat, two groups of symmetrically arranged sliding plates are slidably connected to the upper side of the operating table in a limiting manner, a leveling strip is fixedly connected to the bottom of the mounting plate, the tail end of the leveling strip is sharpened, and a pressing mechanism is mounted between the mounting plate and the sliding plates. According to the device, through the dual effects of heating power and mechanical force, the scouring pad fiber reset resistance is remarkably reduced, the efficient and uniform leveling effect is achieved, and meanwhile the device can meet the machining requirements of scouring pads of different sizes.

The utility model relates to the technical field of machine manufacturing, in particular to a self-rotating type circular plate thermoforming machine. The bracket is used for placing a bent part; the loading rotating platform is used for supporting and driving the bracket to rotate; the heating device is arranged on the edge of the bracket and is used for heating the bent part of the bent part; the shaping wheel set is arranged on the rear portion of the heating device and comprises a plurality of shaping wheels, and the bending piece is bent into the final shape in a gradient mode in sequence. And after the shaping wheel set is arranged, the shaping wheel set is used for bending the final shape again, and a springback space is reserved. According to the self-rotation type circular plate thermoforming machine, automatic bending of the circular bottom plate can be achieved, and the bending efficiency and quality are effectively improved. The bracket is used for placing the circular bottom plate to be bent, and the loading rotating platform can support the bracket and drive the bracket to rotate, so that the circular bottom plate is uniformly heated in the bending process, and the bending quality is improved.

The invention belongs to the technical field of flame-retardant materials, and particularly relates to a polyamide flame-retardant material and a preparation method and application thereof. A brominated flame retardant is intercalated between layered double hydroxides to prepare a flame-retardant modifier, polyamide is used as a base material, the flame-retardant modifier is introduced through a composite blending modification technology, and finally PVA is grafted to the surface of the polyamide flame-retardant material through a grafting technology. The flame-retardant property and easy-to-clean property of the polyamide flame-retardant material are greatly improved, and the technical problems of poor mechanical property and poor flame-retardant property of brominated flame retardant blending modified polyamide in a high-temperature and high-humidity environment at present are solved.

The utility model discloses a wire harness terminal bending limiting jig, and relates to the field of bending jigs, the wire harness terminal bending limiting jig comprises a working table provided with a bending table, the bending table is provided with a terminal, a bending angle limiting block, a connecting plate, a first driving mechanism, a second driving mechanism and an angle device, the bending angle limiting block, the first driving mechanism, the second driving mechanism and the angle device form a bending angle limiting assembly, the second driving mechanism transversely drives the first driving mechanism to be matched with the output end of the first driving mechanism to stretch out and draw back up and down, so that the bending angle limiting block is turned over for more than three times, and the turning angles are sequentially reduced; and finally, the to-be-bent angle is reduced to be complementary with the reading on the angle device, the rebound degree is reduced, the problems that the angle cannot be accurately controlled and obvious rebound is generated after bending are solved, and the product quality is guaranteed.

This invention discloses a tunnel shotcrete rebound recovery device, which includes a transport vehicle equipped with a collection device for collecting rebounded concrete, a mixing device for thoroughly mixing the collected concrete, and a compensation device for compensating the mixed concrete with slurry. The collection device includes a collection funnel with two aggregate plates inclined to both sides, and a storage bin at the bottom of the collection funnel. The mixing device includes a mixing drum driven by a drive motor, with an inlet and an outlet at both ends of the mixing drum. A conveying mechanism is provided between the storage bin and the inlet to transport a fixed amount of concrete from the storage bin to the mixing drum. A discharge funnel is located below the outlet, and a pump is located below the discharge funnel, with a conveying pipe at the outlet end of the pump. This solution enables automated recovery and utilization of rebounded concrete, avoiding resource waste.

The utility model relates to a special permanent magnet motor rotor for a ball mill, which comprises a rotor shaft unit, a rotor iron core, a first pressing plate, a second pressing plate and a baffle plate, the rotor shaft unit is fixedly arranged on the rotor iron core in a penetrating manner, the rotor iron core is provided with a plurality of magnetic steel grooves, the plurality of magnetic steel grooves are distributed along the circumferential direction of the rotor iron core at intervals, and the first pressing plate and the second pressing plate are arranged on the baffle plate. The first pressing plate is fixedly installed between the rotor shaft unit and the upper end of the rotor core and just exposes the upper opening of the magnetic steel groove, and the second pressing plate is fixedly installed between the rotor shaft unit and the lower end of the rotor core and completely covers the lower opening of the magnetic steel groove. The baffle plate is fixedly installed on the first pressing plate and can shield the upper opening of the magnetic steel groove. After the scheme is adopted, the assembling efficiency of the rotor can be effectively improved, the problems of falling apart of the rotor punching sheets and rebounding of the magnetic steel in the assembling process are avoided, and the firm rotor structure can effectively prolong the service life of the rotor.

The present invention provides a drip irrigation variable emitter and a test system, the drip irrigation variable emitter comprising: a test seat, the test seat having an installation chamber, the test seat being provided with a water inlet channel and a water outlet channel; and an emitter, which is arranged in the installation chamber, the emitter comprising a core body and an elastic member attached to the outer circumference of the core body, an energy dissipation groove being provided on the outer circumference of the core body, the elastic member being arranged corresponding to the energy dissipation groove and covering the energy dissipation groove to seal and define an energy dissipation flow channel, the energy dissipation flow channel being connected to the water inlet channel and the water outlet channel respectively. The drip irrigation variable emitter provided by the present invention can be directly used for hydraulic performance testing in the research and development stage of the emitter, and can also be used for actual production applications. The arrangement of the elastic member enables the emitter to achieve different water outlet flow rates, and the elastic member is arranged corresponding to the energy dissipation groove, which can effectively dredge sediment and prevent sediment accumulation.

The invention belongs to the technical field of electric appliance switches, and discloses a load switch. The load switch comprises a switch mechanism and a limiting mechanism. The switching mechanism is arranged at a preset station, the switching mechanism comprises an input assembly and an output assembly which are coaxially arranged, the output assembly is provided with a switching-off position and a switching-on position, and the input assembly can drive the output assembly to rotate around the axis of the input assembly so that the output assembly can be switched between the switching-off position and the switching-on position; the limiting mechanism can stretch out and draw back in the first direction, and when the output assembly is located at the opening position or the closing position, the limiting end of the limiting mechanism can abut against the periphery of the output assembly, so that the output assembly cannot rebound. And the limiting mechanism can limit and fix the output assembly, so that the problem that the output assembly is separated from the switching-off position or the switching-on position is avoided, and the operation safety is ensured.

The invention discloses a bending device for a CORC-CICC cable. The bending device comprises a support assembly, a bending assembly and a bending assembly, the cable bending assembly is mounted on the bracket assembly and is used for bending the CORC-CICC cable; the lifting rod is adjustably installed on the support assembly, connected with the cable bending assembly and used for adjusting the position of the cable bending assembly and changing the bending radius of the CORC-CICC cable; and the auxiliary wheel assembly is adjustably mounted on the bracket assembly and is matched with the cable bending assembly to bend the CORC-CICC cable so as to prevent the CORC-CICC cable from rebounding. The gap between the cable bending assembly and the auxiliary wheel assembly forms an arc, the radius of the arc can be changed, and the problem that the bending radius of the CORC-CICC cable is not easy to change is solved. When the CORC-CICC cable passes through the gap between the cable bending assembly and the auxiliary wheel assembly, the cable bending assembly applies outward pressure to the CORC-CICC cable along the circle center, the auxiliary wheel assembly applies inward pressure to the CORC-CICC cable along the circle center, the two strands of pressure are matched to bend the CORC-CICC cable, and the problem that the CORC-CICC cable rebounds is solved.