34results about How to "Move up and down freely" patented technology

The invention relates to a large scale axle kind product vertical casting and restoration apparatus and a use method thereof, belonging to mechanical fields. A frame is fastened with an operation table and a frame station and is movably connected with a mobile arm, a temperature holding pot is fastened with the operation table and a base and is screwed connected with a guide tube, a leak protection pot is fastened with the operation table and the frame station and the base, and the operation table is fastened with the frame station and the base, a column is fasened with the operation table and the base and is movably connected with a lifting table which is connected with a center shaft by bearing and is fastened with an electric machine. The center shaft is connected with a gear box of the electric machine and is connected with a chuck by key. The center shaft, basic parts and a location tip of the mobile arm are provided for supporting. The chuck is buckled with the basic parts. The frame station, a crystallizer, an inductor, and a pouring cup are connected with each other by flanges. The crystallizer is covered by a liner, and the basic parts are covered by a seal ring and a leak protection groove. The pouring cup is inlayed with a thermocouple, the basic parts are fastened with a fixture, an upper lock loop and a lower lock loop. A product/a restoration product can be obtained by treating, assembling, processing, stopping process and post-treating the basic parts, which is applicable for casting or repairing the axle kind product, with high quality.

The invention provides a transmission device of a reciprocating bale plucker pressing roller. The transmission device comprises a grabbing arm, a tower body, a pressing roller barrel, a star-shaped toothed sheet, bearings and bearing blocks which are arranged on the two ends of the pressing roller and wallboards on the two sides of the pressing roller. The transmission device is characterized in that the bearings on the two ends of the pressing roller are rolling bearings, a baffle is arranged on the outer side surface of the wallboard on each side of the pressing roller, plain round holes are respectively formed on the baffles, the two baffles are respectively positioned right above the bearing blocks which correspond to one ends of the pressing roller, each bearing block is respectively connected with a threaded rod which is vertically arranged, a spring support and a compression spring are sleeved on each threaded rod, and the upper end of each threaded rod penetrates through the plain round hole of the corresponding baffle which is arranged above and is fixed through a nut. The transmission device is simple in structure, is convenient to regulate and use, and is low in manufacturing cost; when a reciprocating bale plucker operates, the motor-free rotation of the pressing roller is realized through the friction force between the star-shaped toothed sheet of the pressing roller and fibers so as to realize the purpose of pressing raw materials, and foundation is laid for the bale plucker to grab the raw materials.

The invention relates to a mounting fixture for an arc extinguish chamber of a vacuum breaker. The mounting fixture comprises a base plate and side plates, wherein the side plates are fixed at two ends of the base plate; an upper bracket is arranged on the base plate; a locating pin is arranged on the upper bracket; one sides of the side plates are connected with a cylinder through spacer pins; one end of each spacer pin is connected with a pull rod; one end of the pull rod are connected with a lower bracket; and a concave positioning port and a convex positioning port, respectively corresponding to the convex side surface and the concave side surface of the lower bracket, are opened on the pull rods. By using the mounting fixture provided by the invention, the arc extinguish chamber and related components of the vacuum breaker can be very conveniently positioned and mounted, the operation is simple, after mounting, the plane, in which the lower bracket moves upwards and downwards, is ensured to be parallel to the plane, in which the upper bracket is located, the flexible connection is not influenced by external distortion force, the lower bracket can freely move upwards and downwards, and the integral stability of the breaker is improved.

The invention discloses an automatic exhaust device of a hydraulic circuit breaker, which comprises an oil pump, and is characterized in that an exhaust assembly is arranged above the oil pump, the exhaust assembly comprises an air inlet pipe, a communicating pipe, a sliding block and a first floating ball, and the upper end of the communicating pipe is provided with an air inlet and an air outlet; one end of the air inlet pipe is communicated with the oil pump, and the other end of the air inlet pipe is communicated with the air inlet; the sliding block is arranged in the communicating pipe and connected with the communicating pipe in a sliding mode, the first floating ball is arranged in the oil pump and fixed to the sliding block through a connecting rod, the upper end of the sliding block is provided with a first sealing piece and a second sealing piece which are used for sealing the air inlet and the air outlet respectively, the first sealing piece is matched with the air inlet, and the second sealing piece is matched with the air outlet. The automatic exhaust device of the hydraulic circuit breaker provided by the invention can realize the automatic exhaust of an oil pump andavoid the tediousness of manual exhaust. The automatic exhaust device is good in exhaust effect and good in sealing effect.

A safety door device of a cage comprises two vertical rods (1) and a series of transverse rods (3) which are parallel to each other and capable of moving vertically relative to the vertical rods (1). The safety door device of the cage is characterized in that two ends of each transverse rod (3) are provided with rings (4). Every two rings (4) are respectively sleeved on the vertical rods (1) at intervals to enable the transverse rods (3) to be capable of sliding vertically along the vertical rods (1). Two ends of each transverse rod (3) are provided with inner threads, and the transverse rods (3) are matched with connection crews (5) on the rings (4) through the inner threads. Each transverse rod (3) is connected with at least one chain (2), the upper end of the chain (2) is connected with a chain second location seat (11) arranged on a ceiling of the safety door device of the cage through bolts, and the upper end and the lower end of each vertical rod are respectively provided with a vertical rod location seat (10). The safety door device has the advantages of being simple in structure, convenient to disassemble, easy to maintain and convenient to use. The transverse rods vertically move freely.

A tire chord weaving apparatus (1) includes a warp tension adjusting device (3) and a loom (4). The warp tension adjusting device (3) includes a dancer roller (10a, 10b) for equalizing tensions of warp yarns drawn from the creel device (2) and a dropper device (8) disposed upstream of the dancer roller (10a, 10b). The loom (4) weaves a tire chord fabric from the warp yarns supplied via the warp tension adjusting device (3). In the tire chord weaving apparatus (1), by using an urging roller (10a) that moves up and down and that is disposed above the warp yarns so as to extend in a direction perpendicular to a direction in which the warp yarns are fed and an urging device (11) including a fluid-pressure cylinder (15) for applying an urging force (F) to the urging roller (10a) in such a direction that the urging roller (10a) is lowered, the urging force (F) is applied to the urging roller (10a) over a period from a first time after a time at which the loom (4) is stopped to a time at which the loom (4) is restarted.

The invention relates to a preparation method of a lubricating and moisturizing essence lotion skincare product, and relates to the technical field of production and filling of liquid skincare products. Lubricating and moisturizing essence lotion skincare product filling equipment is used in the preparation method. The equipment comprises a vibration device for vibrating a storage tank to remove bubbles of the skincare products in the storage tank and a fixing device for transferring and fixing the storage tank, and further comprises a filling device for filling the skincare products into thestorage tank. The fixing device comprises an operation table, a conveying belt, a first driving ring, a second driving ring, a driving motor and a limiting groove, and the vibration device comprises alifting air cylinder, an installation plate, a fixing frame, a rotating motor, a connecting cam, a connecting shaft, a connecting block and a clamping vibrating frame. The filling device comprises atelescopic air cylinder, a sleeving cylinder, a connecting tension spring, a connecting column, a pressing disc and a liquid injection pipe. The preparation method has the effects that bubbles in theskincare products are eliminated in the process of filling the skincare products into the storage tank, and actual filling is facilitated.

The invention relates to a coal railway transportation loading auxiliary device, in particular to a coal leveling machine. The coal leveling machine comprises a gantry and a coal scraping plate assembly and further comprises a lifting frame. The left end and the right end of the lifting frame are clamped between a front frame and a rear frame of the gantry, and the side faces, opposite to the gantry, of the left end and the right end of the lifting frame are provided with rolling rollers. The coal scraping plate assembly is fixed to the lower end of the lifting frame, and the upper end of the lifting frame is connected with a lifting device through a steel wire rope. The coal leveling machine is simple in structure and low in using and maintaining cost, by means of the coal leveling machine, manual coal leveling intensity can be lowered, human cost is saved, coal leveling time is shortened, coal leveling efficiency is improved, on-schedule dispatching of various coal transportation vehicles is ensured, and safe production is achieved.

The invention provides a large-aperture main lens lifting mechanism. A hoisting screw (1) is fixedly connected with the upper part of a hoisting cylinder (2), the upper part of a transition cylinder (3) is fixedly connected with the lower part of the hoisting cylinder (2); the lower part of the transition cylinder (3) is mounted on a bottom transition plate (8); a radial positioning assembly (4) is mounted on the outer circumference of the transition cylinder (3); the radial positioning assembly (4) can move up and down along the transition cylinder (3); a bottom circular plate (7) is mountedon the bottom transition plate (8); the bottom circular plate (7) is arranged around the outer circumference of the transition cylinder (3); and the bottom positioning assembly (6) is fixedly installed at the bottom of the bottom round plate (7). According to the large-aperture main lens lifting mechanism provided by the invention, the lifting process of a main lens is realized by utilizing the central hole of the main lens and the central edge of the bottom. The structure is compact, and the outer edge of the main lens cannot be occupied; and the large-aperture main lens lifting mechanism isapplied widely.

The invention discloses a large 3D printer. A working table plate is horizontally fixed to the inner side of a rack. A machining through hole is formed in the working table plate; the forming cylinder comprises a telescopic cover, a bottom plate, a lifting mechanism and a guide mechanism; the telescopic cover is a telescopic barrel, and the edge of the top end of the telescopic cover is fixedly connected with the edge below the machining through hole in a sealed mode; the edge of the bottom plate is hermetically and fixedly connected with the edge of the bottom end of the telescopic cover; the lifting mechanism is mounted on the inner side of the rack and is used for driving the bottom plate to lift up and down; the guide mechanism is located on the outer side of the telescopic cover, connected between the bottom face of the working table plate and the edge of the bottom plate and used for guiding lifting of the bottom plate. Through the telescopic design of the forming cylinder barrel, the size of the forming cylinder in the height direction can be greatly reduced, the overall height of equipment can be reduced, and operation is convenient; a piston and a piston seal are canceled, a movable seal for piston movement is avoided, and the hidden danger of powder leakage is avoided; the overall weight of the forming cylinder system is greatly reduced.

The invention discloses a semi-contact type high-stability big data server, and belongs to the field of servers. According to the semi-contact type high-stability big data server, then the server runs, condensate water is conveyed into a double-layer top plate through a water inlet pipe, and part of the condensate water permeates to the lower portion of the double-layer top plate; large water drops are gathered at the water gathering balloon and fall to the surface of the heat floating plate, so that the surface of the heat floating plate keeps a local temperature difference, and heat absorption is accelerated; and when a large amount of heat is generated, under the heat gathering effect, the heat push-up bag is heated to rapidly expand, then the heat floating plate is jacked up so that the heat floating plate continuously gets close to the double-layer top plate, then the water drop falling path is shortened so that the frequency that the heat floating plate makes contact with water drops is increased, then the heat dissipation efficiency is effectively improved, the heat floating plate is further expanded along with the heat push-up bag, and, finally, the heat floating plate makes extrusion contact with the water gathering balloon at the lower end of the double-layer top plate and is infinitely close to the double-layer top plate, so that the heat dissipation efficiency is further improved, and the stability of the server during operation is effectively guaranteed.

The invention discloses a plastic mold inclined roof structure with a sliding block, and belongs to the field of advanced manufacturing and automation. The structure includes an inclined roof seat, aninclined roof, an inner sliding block lever, an inclined roof inner sliding block, an inner sliding block positioning wave bead screw, a vertical guide rod, a fixed mold side and a movable mold side,a first groove is formed in the lower end surface of the inclined roof inner sliding block, the inner sliding block lever is disposed in the inclined roof, the upper end portion of the inner slidingblock lever is disposed In the first groove, the inner sliding positioning bead screw is disposed on the fixed mold side, the lower end portion of the inner sliding positioning bead screw fits the upper end surface of the inclined roof inner sliding block, the vertical guide rod is vertically disposed within the movable mold side, and the vertical guide rod penetrates through the inclined roof inner sliding block. The structure can ensure that a mold does not pull a product and the finished product rate is improved when the mold is pulled out and turned upside down by setting the vertical guide rod in the mold; the inner sliding block lever can be set to limit the inclined roof inner sliding block to prevent the inclined roof inner sliding block from moving down beyond a specified distanceand crushing the product.