75results about How to "Reduce moving friction" patented technology

An apparatus to allow or stop a flow into a piping system or an enclosed environment comprises (a) a housing having an upper flow passage and a lower flow passage; (b) a valve seat, wherein the valve seat is between the upper flow passage and the lower flow passage, wherein at least one opening is formed on the valve seat; (c) at least one rotary valve inside the housing, wherein each of the at least one rotary valve further comprises a main body and two guides mounted to the main body opposite to each other, and wherein the at least one rotary valve can move inside the upper flow passage and above the valve seat; and (d) at least two guide rails inside the upper flow passage for guiding each of the at least one rotary valve between an open position and a closed position.

The invention discloses a processing method for baking-free brick extrusion forming and belongs to the technical field of brick making. By means of a continuous hydraulic brick making system, the processing method includes the following steps of feeding, wherein raw materials are added into a feeding hopper, penetrate through a feeding cavity and a feeding opening and enter a forming cavity; extrusion forming of the raw materials, wherein a first hydraulic cylinder drives a forming and pushing mechanism to move, so that a buffer cavity moves to the position under the feeding hopper, a second hydraulic cylinder drives an extrusion plate to move upward in the forming cavity, and the raw materials are extruded into bricks; pushing and conveying of the bricks, the first hydraulic cylinder drives the forming and pushing mechanism to move, and the second hydraulic cylinder drives the extrusion plate to push the bricks to a machine frame, and the first hydraulic cylinder drives the forming and pushing mechanism to push out the bricks. The defects that in the prior art, the brick continuous production degree is low and production efficiency is low are overcome easily, continuous extrusion forming of the bricks can be achieved, production efficiency is effectively improved, the operation process is simple, and the production cost is low.

The invention relates to a cornerite mounting method and device used on a ceramic tile packaging machine. The device comprises a rack, an arc-shaped cornerite cabin which is arranged on the rack and is distributed in a quadrangle shape, a cornerite sucking and conveying mechanism arranged on the rack and is characterized in that the arc-shaped cornerite cabin comprises an arc-shaped cabin body provided with a horizontal open opening, more than two raised rails arranged on the bottom surface of the arc-shaped cabin body and shrapnel arranged at the two sides of the horizontal open opening; and the cornerite sucking and conveying mechanism comprises a vertical moving mechanism arranged on the rack, a horizontal moving mechanism arranged on a moving driving rod of the vertical moving mechanism, a right angle type buckling sucker seat arranged on a horizontal moving driving rod of the horizontal moving mechanism and suckers respectively arranged at the inner sides of the two sides of the right angle type sucker seat. Compared with the prior art, the cornerite mounting method and device provided by the invention have the advantages that the moving frictional force of the cornerite in the arc-shaped cornerite cabin is small, the cornerite moves smoothly in the arc-shaped cornerite cabin and the cornerite can be smoothly taken out from the arc-shaped cornerite cabin one by one.

The invention discloses a floating island device for water ecological environment detection. The floating island device comprises a floating body and an equipment mounting box, the equipment mounting box is fixedly mounted at the top end of the floating body, a motor is fixedly connected into the equipment mounting box, the bottom end of the motor is rotatably connected with a rotating shaft, and a mounting groove is formed in the middle of the interior of the floating body; a lifting rod is mounted in the mounting groove, the rotating shaft penetrates through the equipment mounting box and the floating body, the bottom end of the rotating shaft extends into the lifting rod, an internal thread is arranged on the inner wall of the lifting rod, an external thread matched with the internal thread is arranged at the bottom end of the outer side of the rotating shaft, and a guide groove is formed in the inner wall of the mounting groove; and a guide block is mounted on the outer edge of the top end of the lifting rod. The lifting rod is additionally arranged at the bottom end of the rotating shaft, so that the moving friction force between the guide block and the guide groove is reduced, the lifting rod can move up and down more smoothly, the blockage phenomenon is avoided, the lifting rod drives the detection head to enter a deeper water area, and the floating island device can conveniently detect water bodies with different depths.

The invention discloses a forming process for an automobile high-strength plate chassis part. The forming process comprises the following steps of: S1, manufacturing a hub mould: designing the hub mould according to a three-dimensional model, processing blank to form the hub mould, uniformly coating zinc stearate powder on the surface of the hub mould, and sintering the hub mould; S2, weighing rubraw materials in parts by weight; S3, mixing the hub raw materials; S4, forming a hub; and S5, performing surface treatment on the hub: soaking and passivating the hub with zinc plating liquid, vacuum-drying the electrostatic-sprayed hub and performing baking varnish processing. The forming process can improve operation efficiency of hub forming processing, shortens rub forming time, reduces hubprocessing production cost, and meets batch production requirements of the hub; and mixed processing is selected for the hub materials, so that hardness, rigidity, impact resistance and tensile strength of the formed hub are improved, the using performance of the hub is improved, and the usage period of the hub is prolonged.

The invention discloses a processing method for baking-free brick extrusion forming and belongs to the technical field of brick making. By means of a continuous hydraulic brick making system, the processing method includes the following steps of feeding, wherein raw materials are added into a feeding hopper, penetrate through a feeding cavity and a feeding opening and enter a forming cavity; extrusion forming of the raw materials, wherein a first hydraulic cylinder drives a forming and pushing mechanism to move, so that a buffer cavity moves to the position under the feeding hopper, a second hydraulic cylinder drives an extrusion plate to move upward in the forming cavity, and the raw materials are extruded into bricks; pushing and conveying of the bricks, the first hydraulic cylinder drives the forming and pushing mechanism to move, and the second hydraulic cylinder drives the extrusion plate to push the bricks to a machine frame, and the first hydraulic cylinder drives the forming and pushing mechanism to push out the bricks. The defects that in the prior art, the brick continuous production degree is low and production efficiency is low are overcome easily, continuous extrusion forming of the bricks can be achieved, production efficiency is effectively improved, the operation process is simple, and the production cost is low.

The invention discloses a buffering material receiving device for a coal mine. The buffering material receiving device comprises a material receiving box, a feeding port is formed in the top end of the material receiving box, a material receiving plate and a buffering air cylinder are hinged to one side of the inner wall of the material receiving box, the material receiving plate is located at the bottom end of the feeding port, the bottom end of the buffering air cylinder is located at the bottom end of the material receiving plate, connecting lugs are hinged to the top end of the material receiving plate, sliding blocks are fixedly connected to the top ends of the connecting lugs, rolling wheels are rotatably connected to the top ends of the sliding blocks, the sliding blocks matched with the sliding blocks are arranged at the bottom end of the material receiving plate, the sliding blocks are slidably connected with sliding grooves through the rolling wheels. The sliding blocks are additionally arranged at the top end of the connecting lug, the sliding grooves drive the rolling wheels to roll, meanwhile, the rolling wheels drive the sliding blocks to move downwards, the sliding blocks compress the top end of the buffer air cylinder through the connecting lugs, when materials leave the surface of the material receiving plate, the buffer air cylinder drives the material receiving plate to reset, and under the action of the sliding blocks and the sliding grooves, downward moving, resetting and moving stability of the material receiving plate is guaranteed; under the action of the rollers, the moving friction force between the sliding blocks and the sliding grooves is reduced.

The invention relates to the technical field of wall surface paint processing and discloses a hand-held preliminary scraping device for peeling paint off a wall surface. The device comprises a cylinder body, a right end surface and a top part of the cylinder body are fixedly connected with a hand-held handle, a mounting plate is fixedly connected between an inner top part and a bottom part of thecylinder body, a storage battery is fixedly arranged on a right side face of the mounting plate, a left side face of the mounting plate is fixedly connected to a driving motor via a fixing frame, an output shaft of the driving motor is fixedly connected with a moment rotating shaft through a shaft coupling, and an inner side of the cylinder body is fixedly connected with a discharging tube througha mounting rack; one end, positioned far away from the driving motor, the moment rotating shaft runs through a right end surface of the discharging tube and extends to an inner side of the discharging tube; one end, positioned far away from the driving motor, of the moment rotating shaft runs through a right end surface of the discharging tube and extends to the inner side of the discharging tube. Via the hand-held preliminary scraping device for peeling paint off the wall surface, paint can be prevented from splashing when being scraped; all scraped paint residues can be conveyed, eliminatedand collected; preliminary processing of the paint peeled off a wall body can be facilitated.

The invention belongs to the technical field of guide rail lubricating, and particularly relates to a guide rail lubricating device of a turning and milling composite machine tool. The guide rail lubricating device comprises an I-shaped sliding rail and a sliding block. The sliding block is connected to the I-shaped sliding rail in a sliding manner. First grooves are formed in the front side and the rear side of the sliding block, and oil pipes are arranged on the side walls of the two sides of the first grooves. A group of spray heads is arranged at the bottom end of each oil pipe. The top ends of the first grooves are connected with a sweeping plate through sliding columns, and the bottom end of the sweeping plate is fixedly connected with a group of sweeping brushes. The sweeping plate is located on the sides, away from the bottoms of the first grooves, of the oil pipes. The guide rail lubricating device for the turning and milling composite machine tool is provided so as to solve the problems that when a sliding assembly in the machine tool slides to move on a guide rail, oil dripping must be carried out on a guide rail after a period of time, if oil dripping is not timely, the machine tool crawl phenomenon can be caused, the machining accuracy of the machine tool is seriously influenced, and the service life of the machine tool is shortened.

The invention relates to a glass melting furnace system and an electrode brick supporting device thereof. According to the electrode brick supporting device, the electrode brick supporting device is used for bearing electrode bricks, the electrode bricks can move on the electrode brick supporting device, and in the moving process, friction between the electrode bricks and the electrode brick supporting device is rolling friction. The electrode brick supporting device is used for bearing the electrode bricks, in the moving process of the electrode bricks on the electrode brick supporting device, the friction between the electrode bricks and the electrode brick supporting device is rolling friction, compared with a traditional mode that electrode bricks are supported through refractory bricks, the moving friction force of the electrode bricks on the electrode brick supporting device can be reduced, then the pushing resistance of the electrode bricks is reduced in the pushing process of the electrode bricks, and the problem that the electrode bricks are damaged or pool wall bricks move is effectively avoided.

The invention provides a novel feeding mechanism. The novel feeding mechanism comprises a feeding rack; a working rack; a discharging rack; ad the three racks are sequentially arranged left and right, each rack comprises a height-adjustable supporting leg, a cross beam and a longitudinal beam, at least two longitudinal rollers are installed on each longitudinal beam, and the longitudinal rollers are installed on the longitudinal beams through an adjustable structure so that the distance can be adjusted. The novel feeding mechanism provided by the invention has high universality, height adjustment is achieved through a simple profile sleeving structure, the novel feeding mechanism can be matched with stamping dies of different heights and sizes to achieve feeding and discharging of plates, and the novel feeding mechanism is economical and practical; a working rack height adjusting mechanism can realize lifting of the plates so as to be matched with the working process of a die; and the distance between the longitudinal rollers is adjustable, and the novel feeding mechanism can adapt to feeding and discharging of plates of different widths and sizes. Therefore, one set of feeding mechanism can be suitable for the plates of different sizes and the stamping dies of different sizes, multiple sets of feeding mechanisms do not need to be arranged and frequently replaced, the tooling cost can be saved, the labor intensity of workers is reduced, and meanwhile the production efficiency can be improved.

The invention discloses a high-efficiency double-layer parking device. The high-efficiency double-layer parking device comprises a support frame, driving devices, telescopic rods, a moving device, anupper layer parking frame and a lower layer parking frame. The driving devices are arranged at the two ends o the bottom of the support frame and are used for driving the telescopic rods to carry outextending and shortening actions in the horizontal direction, and the length of each telescopic rod is larger than the width of the upper layer parking frame. One ends of the telescopic rods are connected with the driving devices, and the other ends of the telescopic rods are connected with the lower layer parking frame. An installing groove is formed in the bottom of the lower layer parking frame, rollers are arranged in the installing groove, and the bottoms of the rollers press the ground tightly. The moving device is slidably arranged on the support frame, and slides in the vertical direction. The upper layer parking frame is arranged on the end portion of the moving device, grooves are formed in the bottom of the upper layer parking frame, and the telescopic rods penetrate through thegrooves. The end portions of the upper layer parking frame and the lower layer parking frame are in slope shapes curving downward gradually. According to the high-efficiency double-layer parking device, the upper and lower layer parking frames are convenient to park, the high-efficiency double-layer parking device is convenient to use, the efficiency of parking and picking up cars is high, and parking is stable and safe.

The invention relates to the technical field of wall paint treatment, and discloses a hand-held preliminary scraping device for peeling paint on the wall, which includes a cylinder body, the right end surface and the top of the cylinder body are fixedly connected with hand-held handles, and the inner top of the cylinder body is A mounting plate is fixedly connected with the bottom, the right side of the mounting plate is fixedly equipped with a battery, the left side of the mounting plate is fixedly connected with a drive motor through a fixing frame, and the output shaft of the drive motor is fixedly connected with a torque shaft through a coupling , the inner side of the cylinder is fixedly connected with the discharge pipe through the mounting frame, the torque shaft runs through the right end face of the discharge pipe at the end away from the drive motor and extends to the inner side of the discharge pipe, and the torque shaft runs through the discharge at the end far away from the drive motor right end of the tube and extends to the inside of the discharge tube. The hand-held preliminary scraping device for peeling paint on the wall prevents the scraping paint from splashing, conveys, removes and collects the scraped paint residue, and facilitates the preliminary treatment of the peeling paint on the wall.

The invention relates to a cornerite mounting method and device used on a ceramic tile packaging machine. The device comprises a rack, an arc-shaped cornerite cabin which is arranged on the rack and is distributed in a quadrangle shape, a cornerite sucking and conveying mechanism arranged on the rack and is characterized in that the arc-shaped cornerite cabin comprises an arc-shaped cabin body provided with a horizontal open opening, more than two raised rails arranged on the bottom surface of the arc-shaped cabin body and shrapnel arranged at the two sides of the horizontal open opening; and the cornerite sucking and conveying mechanism comprises a vertical moving mechanism arranged on the rack, a horizontal moving mechanism arranged on a moving driving rod of the vertical moving mechanism, a right angle type buckling sucker seat arranged on a horizontal moving driving rod of the horizontal moving mechanism and suckers respectively arranged at the inner sides of the two sides of the right angle type sucker seat. Compared with the prior art, the cornerite mounting method and device provided by the invention have the advantages that the moving frictional force of the cornerite in the arc-shaped cornerite cabin is small, the cornerite moves smoothly in the arc-shaped cornerite cabin and the cornerite can be smoothly taken out from the arc-shaped cornerite cabin one by one.

The invention belongs to the technical field of hoisting equipment, and particularly relates to a semi-suspension type single-beam crane which comprises a base, a stand column, a walking track, an electric travelling crane and an electric hoist. The stand column is vertically fixed to the top face of the base, the walking track is installed on the stand column in an overhanging mode, the electric travelling crane is movably installed on the walking track, the electric hoist is fixed to the bottom of the electric travelling crane, and limiting damping assemblies are installed on the front side face and the rear side face of the electric travelling crane correspondingly. An auxiliary walking structure is further mounted on the electric travelling crane, and the auxiliary walking structure comprises a mounting plate and a connecting frame. According to the semi-suspension type single-beam crane, through the configured auxiliary walking structure, it is guaranteed that the electric travelling crane is more stable during moving, moving friction is reduced, and the service life of equipment is prolonged; by arranging the limiting damping assemblies, the safety of the electric travelling crane is guaranteed, and the situation that the electric travelling crane collides with the walking track in the moving process and is damaged is avoided.