39results about How to "Less prone to wear" patented technology

A plow assembly comprises a blade, structure attached to the blade and adapted to be attached to a vehicle for mounting the blade to and supporting the blade from the vehicle, and a wing attached to an end of the blade. The wing has a first portion mounted to the blade for translational movement relative thereto, and a second portion mounted to the first portion for rotational movement relative thereto. An actuator has a cylinder and first and second oppositely movable piston rods. The first piston rod and the cylinder operable to move the first portion of the wing relative to the blade, and the second piston rod and the cylinder are operable to move the second portion of the wing relative to the fist portion of the wing.

low-temperaturetes to the field of flue gas treatment and discloses a device and a method for purifying flue gases. The device for purifying the flue gases comprises an electrical precipitator (2), a low-temperature plasma reactor (4) and wet desulphurization equipment (6) which are connected in sequence, wherein an outlet of the electrical precipitator (2) is connected with an inlet of the low-temperature plasma reactor (4); an outlet of the low-temperature plasma reactor (4) is connected with an inlet of the wet desulphurization equipment (6). The method for purifying the flue gases comprises the following steps of introducing the flue gases containing dust and nitrogen oxide into the electrical precipitator (2) for performing dust removing treatment; enabling the flue gases subjected to the dust removing treatment to enter into the low-temperature plasma reactor for oxidation treatment; then introducing the flue gases formed by the oxidation treatment into the wet desulphurization equipment for absorption treatment. By adopting the device and the method disclosed by the invention, the oxidation and dust charging efficiency of nitric oxide is high; the device is not easy to wear and is good in purifying effect of the flue gases.

The present invention provides a developing roller, a developing device, a process cartridge and an image forming device, which may inhibit the reduction of transmitting amount due to the aging variation, thus avoiding unevenness of image intensity. Specifically, the process cartridge of the image forming device comprises a developing roller with a fixed magnet roller and a developing sleeve (132). The outer surface of the developing sleeve has a plurality of recesses (139) of elliptic shape in plan view regularly or irregularly arranged therein so as not to overlap, and the long axis of the recess is in parallel with the length direction of the developing sleeve (132).

The invention discloses a constant flow static pressure working table for a gear shaping machine or a gear milling machine. By constant flow static pressure technology, a static pressure cavity is formed on a central spindle, and lubricating oil is fed into the static pressure cavity by a constant pressure oil pump, so that an oil film is formed between the spindle of the working table and a pedestal to keep contact surfaces between the spindle and the pedestal in a constant pressure full-liquid lubricating state; therefore, the center of the working table is positioned well, a wear phenomenon is almost avoided during movement, and the rigidity and the accuracy of the working table are greatly improved and the life of the working table is greatly prolonged; and the pedestal is provided with a dual lead worm, and adjusting pads are arranged in both axial direction and radial direction of the worm, so the working table can work under a smaller backlash condition, and the dividing accuracy of a rotary working table can be improved.

An external tire pressure gauge As that problem of troublesome machining cost and high material cost of the assembly of the base and the top block are sol, A technical scheme comprise a housing, A pressure sensor and a circuit board are arranged in the housing, the housing includes a base and a top block, The base comprises a bottom plate located at the bottom of the mounting groove, a pressure sensor arranged on the side of the base remote from the opening of the mounting groove, a top block arranged at the central position of the bottom plate, and an air guide passage arranged in the top block, which is communicated with the pressure sensor and the mounting groove. As that top block and the shell are integrally for, the top block and the shell do not need to be assemble, the processing cost is reduced, and the top block and the shell are made of plastic material, thereby saving the material cost; At the same time, the top block made of plastic material is harder than the top block made of silica gel material, and the valve stem on the top pressure valve nozzle is not easy to be worn after long-term use, so that the service life is prolonged.

The guide plate may have tungsten carbide blocks with hardness over HRA80 adhered with inorganic adhesive to its wearable parts. During its manufacture and repair, the wearable parts are machined, cleaned and adhered with tungsten carbide blocks. The guide plate has high wear resistance, crack resistance and long service life. The guide plate is suitable for use of rod rolling mill, wire rolling mill and shape steel rolling mill.

The invention discloses adjustable anti-infection medical protective clothing with high adaptability. The clothing comprises a protective clothing body and a waistband, wherein a surface of the protective clothing body is fixedly connected with the waistband, a base cloth layer is arranged on the inner wall of the protective clothing body, one side of the base cloth layer is fixedly connected witha soft layer, and the other side of the base cloth layer is fixedly connected with the waistband; a lower surface of the soft layer is fixedly connected with absorbent cotton, and a surface of the waistband is fixedly connected with a ventilation mechanism. The clothing is advantaged in that a worker firstly effectively filters outside air through a filter screen, outside harmful substances are prevented from entering the protective clothing body and affecting life and health of the worker, air is secondarily filtered and purified through a filter plate, air for ventilation is effectively disinfected through an ultraviolet disinfection lamp, and the protective clothing has advantages of being high in practicability and convenient to popularize and apply; the life health of workers is guaranteed, finally, filtered air is exchanged through the connecting pipeline, the purification effect on internal air is improved, and safety of the workers is guaranteed.

The invention discloses a graphene joint assembly for a robot arm and assembly equipment of the graphene joint assembly. The graphene joint assembly comprises a main dimension joint, and a mounting hole and an outer threaded groove are formed in the joint; a connecting sleeve is arranged in the mounting hole, and a gasket and a limiting component are symmetrically arranged at the two ends of the connecting sleeve. The assembly equipment comprises a machine cabinet, and a joint clamp base, a feeding mechanism, a material receiving seat, a drilling base, a material ejecting seat, a guide rail and a driving air cylinder which are arranged on the machine cabinet. The joint assembly is reasonable in structural design; the connecting sleeve coated with a graphene coating is arranged in the maindimension joint of the main dimension joint, a limiting assembly is used for limiting, and a self-lubricating effect is achieved in this way, so that a pipeline is not likely to be abraded under the displacement conditions such as frequent rotation of the joint, and the working efficiency is guaranteed. The assembly equipment can quickly machine the mounting hole and an outer thread on the main dimension joint, and the connecting sleeve is arranged in the machined mounting hole, so that the assembly efficiency is high.

The embodiment of the invention provides a sorting module for balance wheel sorting equipment and the balance wheel sorting equipment. The sorting module comprises a fixed frame, a first roller assembly, a second roller assembly and an elastic piece. The first roller assembly is installed on the fixed frame in a sliding mode, and a part of the first roller assembly protrudes out of the top of the fixed frame. The second roller assembly is mounted in the fixed frame. The elastic piece is arranged between the fixed frame and the first roller assembly, the elastic piece is configured to provide elastic force for the first roller assembly, so that the first roller assembly abuts against the second roller assembly. According to the sorting module, due to the fact that the first roller assembly abuts against the second roller assembly under the action of the elastic force of the elastic piece, abrasion is not prone to occurring between the first roller assembly and the second roller assembly, the frequency of maintenance and replacement of parts is relatively low, and therefore the maintenance cost of the balance wheel sorting equipment can be reduced.

The invention discloses a conveying roll mechanism for an automatic conveying line. The conveying roll mechanism comprises a roller and a rotary shaft, a through slot is formed in the roller in the length direction of the roller, the inner wall of the through slot is concave inwards in the radial direction so that an annular clamping groove can be formed, a first bearing is fixed in the annular clamping groove, a through hole of the first bearing is made to be coaxial with the through slot, the rotary shaft penetrates through the through slot, and part of the rotary shaft is located in the through hole of the first bearing. By means of the conveying roll mechanism for the automatic conveying line, the problems that whether no power conveying roll exists or a drive conveying roll is provided, a roller mechanism is abraded after being used for a long time, rotation of the roller is limited if lubricating oil is not added in time, an abnormal sound is always made during operation, and theservice life of the roller is greatly shortened are solved.

The invention provides a mixer truck which is reliable in sealing and capable of reducing the water loss of concrete in the transportation process and guaranteeing the quality of the concrete. The mixer truck comprises a frame, a sealing assembly, a feeding hopper and a driving device, wherein a mixing drum is rotatably connected to the frame; the sealing assembly comprises a sealing cover; the sealing cover is used for opening or closing a feeding and discharging opening of the mixing drum; the feeding hopper is used for inputting materials into the mixing drum through the feeding and discharging opening; the driving device is in transmission connection with the sealing cover and the feeding hopper, and is used for driving the sealing cover and the feeding hopper to move forward and backward along the axial direction of the mixing drum and driving the sealing cover to do turnover motion relative to the mixing drum, so that the sealing cover is switched back and forth between a first position state and a second position state; when the sealing cover is at the first position state, the sealing cover is positioned between the mixing drum and the feeding hopper; and when the sealing cover is at the second position state, the sealing cover is located on the side, deviating from the mixing drum, of the feeding hopper.

A ridging ploughshare connecting device of a plate-type retest tillage implement comprises a rod ruler fixing sleeve, an upper clamping plate, a lower clamping plate, fastening bolts and a jackscrew and is characterized in that the rod ruler fixing sleeve is connected with the upper clamping plate and the lower clamping plate, the upper clamping plate and the lower clamping plate are connected with the fastening bolt, the rod ruler fixing sleeve is connected with the jackscrew, and the rod ruler fixing sleeve, the upper clamping plate and the lower clamping plate are matched with an implement square beam and are fixed through the fastening bolts. Due to the fact that the plate type structure design is adopted, the contact face between the ridging ploughshare connecting device and the implement square beam is large, a connecting structural mode in the prior art is changed, the ridging ploughshare connecting device is firm and reliable in connection and does not easily loosen or deform, is not easily abraded, it is ensured that a soil piercing angle of a ridging ploughshare is constant, the implement is not easily changed, and the expected technical effect of improving tillage quality is improved.