58results about How to "Avoid deformation or even breakage" patented technology

The invention discloses a wood board cutting machine having a fixing function. The wood board cutting machine comprises a cutting platform; a supporting rod is welded at one end of the upper surface of the cutting platform; a limiting base is arranged at one end of the supporting rod; a reinforcing plate is welded on one side of the limiting base; an electric telescopic rod is welded below the limiting base; a transmission plate is arranged below the electric telescopic rod; a bearing is arranged at the connecting part of the electric telescopic rod and the transmission plate; and a pressing plate is arranged below the transmission plate. The electric telescopic rod and the pressing plate are arranged on the wood board cutting machine, the electric telescopic rod drives the pressing plateto descend through the transmission plate, and a wood board placed on the cutting platform is fixed by the pressing plate and is prevented from moving in the cutting process, so that the cutting precision of the wood board cutting machine is improved, and a saw blade is prevented from being damaged due to movement of the wood board; and the bearing is arranged on the transmission plate, and a useradjusts the position of the pressing plate through the bearing, so that the fixing effect of the pressing plate on the wood board is better.

The invention discloses a processing method for a blowing type soaking plate with a capillary structure. The processing method specifically comprises the following steps of 1, preparing materials, specifically, two substrates are prepared; 2, printing and capping, specifically, a blocking agent is printed on the substrates, and the two substrates are capped, wherein the blocking agent is positioned between the two substrates; 3, hot rolling, specifically, the double-layer substrate is rolled and synthesized into a composite plate; 4, blowing, specifically, high-pressure gas is introduced intothe composite plate, so that a part printed with the blocking agent is expanded to form a cavity; 5, filling filler, specifically, filler is filled into the cavity of the composite plate, wherein thefiller comprises particles, and the melting point of the particles is higher than that of the substrates; and 6, sintering, specifically, the composite plate is heated, and the filler is sintered on the composite plate to form the capillary structure. The filler is filled after a blowing process and sintered in the cavity to form the capillary structure, so that the situation that the filler is deformed or even broken due to extrusion is avoided, the formation of the capillary structure is guaranteed, and the heat dissipation effect of the soaking plate is improved.

The invention relates to a swinging-arm-type flexible belt bundle winding machine, which comprises a functional pulley block, an inflatable shaft component and a belt guiding-out pulley. The belt guiding-out pulley is fixedly arranged on a guiding-out pulley mounting plate. The guiding-out pulley mounting plate is arranged at one end of a guiding-out pulley swinging arm. The other end of the guiding-out pulley swinging arm is connected with a swinging arm shaft which is arranged on a winding machine main body and can axially swing around the swinging arm shaft along the inflatable shaft component. A first belt section twisting pulley block and a second belt section twisting pulley block which are used for twisting flexible belts are additionally arranged between the functional pulley block and the belt guiding-out pulley. The first belt section twisting pulley block is fixedly arranged on the winding machine main body and is arranged opposite to the functional pulley block. The second belt section twisting pulley block is fixedly arranged on the guiding-out pulley mounting plate and is opposite to the belt guiding-out pulley. The swinging-arm-type flexible belt bundle winding machine has the advantages that the structure is simple, the stress is uniform and the belts can be effectively prevented from being wrinkled during winding.

The invention relates to a three-dimensional memory and a manufacturing method thereof. The three-dimensional memory comprises a substrate, a gate stacking structure, a virtual separation structure, and agate separation structure, wherein the gate stacking structure is located on the substrate and is divided into a core region and a step region which are sequentially arranged along a first transverse direction parallel to the substrate; the virtual separation structure is perpendicular to the substrate and penetrates through the step region in the first transverse direction so as to divide thestep region into a plurality of block step regions; the gate separation structure is perpendicular to the substrate and penetrates the core region in a first lateral direction on an imaginary extension line of the virtual separation structure to divide the core region into a plurality of block core regions, the gate separation structure has a first side end portion in contact with the virtual separation structure in the first lateral direction, the virtual separation structure has a second side end portion in contact with the gate separation structure in a first lateral direction, the first side end portion is enclosed within the second side end portion, or the second side end portion is enclosed within the first side end portion. Therefore, the problem that the gate separation structureis easy to deform and even break in the step region when the gate separation structure is used for separating the step region is avoided.

The invention discloses a solar street lamp for road lighting. The solar street lamp comprises a base, and a lead screw is vertically installed in the center of the top of the base through a bearing.The bottom of the outer wall of the lead screw is sleeved with a buffer mechanism. The top of the outer wall of the lead screw is sleeved with a driving block. Connecting rods are symmetrically mounted at the left end and the right end of the driving block; a lampshade is mounted at the bottoms of the connecting rods; a lamp body is installed at the end, away from the connecting rods, of the lampshade. A mounting base is mounted at the top of the lead screw; a GPS positioner is mounted at the left end of an inner cavity of the mounting base; a single-chip microcomputer is mounted at the rightend of an inner cavity of the mounting base; the transmission mechanism is adopted to drive the lead screw to rotate; the lead screw is adopted to enable a driving block to drive the connecting rods to slide up and down, so that the height of a lamp body is conveniently adjusted, a reserved block is conveniently taken out of the inner cavity of a reserved groove when the lamp body is damaged or breaks down, disassembly and replacement are convenient, the practicability of the street lamp is improved, and inconvenience brought to workers due to manual climbing is avoided.

The invention belongs to the technical field of mechanical automatic machining, and discloses a portal frame device for mechanical automatic machining. The portal frame device comprises two bases, wherein supporting columns are fixedly mounted in the middles of the top surfaces of the two bases, universal wheels are fixedly mounted on the front and rear sides of the bottoms of the two bases, a topbeam is fixedly mounted at the tops of the two supporting columns, and reinforcing steel pipes are fixedly connected to the front and rear sides of the tops of the bases and fixedly connected with the supporting columns. According to the portal frame device, an output shaft of a servo motor drives a rotating shaft to rotate, free winding and unwinding of steel wire ropes are achieved through rotation of wire winding devices and a connecting shaft, and then the gravity of a movable cross beam acts on the wire winding devices and the connecting shaft; compared with the prior art, acting force acting on the middle of the top beam is dispersed, and it is avoided that the middle of the top beam of the portal frame device deforms and even breaks due to long-term stress; and meanwhile, the steelwire ropes are always in a tensioned state, so that the use safety of the portal frame device is improved.

The invention provides a flexible jig device for root canal file grinding, and belongs to the technical field of root canal file grinding machining. The flexible jig device comprises an L-shaped swingarm, a swing arm rotating pin, a sliding block and a ball head connecting base, protruding supporting tables are arranged at the two ends of a support, material holes are formed in the supporting tables, the L-shaped swing arm is hinged to the support through the swing arm rotating pin, a V-shaped bearing groove is formed in the upper side of one end of the L-shaped swing arm, and a ball head groove is formed in the other end of the L-shaped swing arm. A lead screw is rotatably arranged on two lead screw supports, the sliding block is slidably arranged on a sliding rail, the lead screw is inlead screw connection with a lead screw nut, the ball head connecting base is installed at the upper end of the sliding block, the ball head connecting base comprises a ball head portion and a supporting rod portion, and the ball head portion of the ball head connecting base is embedded into the ball head groove of the L-shaped swing arm. Real-time supporting of a root canal file is achieved through the V-shaped bearing groove in the L-shaped swing arm, the root canal file can be effectively prevented from deforming and even being broken in the grinding machining process, and the reliability and stability of grinding machining of the root canal file are greatly improved.

The invention discloses an umbrella with outward turning-preventing function. The umbrella comprises a main rib, a plurality of umbrella cloth branch ribs and a plurality of drawing line bodies, wherein the plurality of umbrella cloth branch ribs are connected to and extended from the upper end of the main rib; and the plurality of drawing line bodies are respectively wound around the main rib along one umbrella cloth branch rib and then are fixed along another umbrella cloth branch rib. A firm and stable inward tension is provided for the umbrella through the combination of the plurality of umbrella cloth branch ribs and the plurality of drawing line bodies, so that the umbrella resists the blowing of reverse strong wind, then the umbrella ribs are prevented from being turned outwards, bent, deformed even broken and the service life of the umbrella is prolonged.

The invention provides a tubular pile concrete injection device. The tubular pile concrete injection device comprises first supporting pieces, a lifting assembly, a second supporting piece and a fixed supporting frame which are sequentially distributed along the same straight line, wherein a mold is placed at the upper ends of the multiple first supporting pieces, a conveying pipe is placed at the upper ends of the second supporting piece and the fixed supporting frame, the fixed supporting frame is fixed to the ground, the first supporting pieces and the second supporting piece can linearly move along the distribution straight line of the first supporting pieces and the second supporting piece, the lifting assembly comprises side plates fixed to the two sides of the ground, a top plate is fixed to the tops of the side plates, a connecting arm is fixed to the lower end of the top plate, and an electromagnet is fixed to the lower end of the connecting arm. According to the concrete injection device provided by the invention, concrete is evenly injected into the mold through the conveying pipe by moving the mold, upward magnetic force is provided for the conveying pipe through the electromagnet, the conveying pipe is kept horizontal during working, and the problem that the conveying pipe is bent downwards due to no support and accordingly deforms and even fractures is avoided.

The invention discloses a multi-surface-supporting welded exhaust hood of an industrial steam turbine. The welded exhaust hood comprises an exhaust hood upper part and an exhaust hood lower part. A rod supporting assembly is fixedly arranged on a diffusion inner flow guide ring and comprises a sleeve rod, a first transverse rod, a second transverse rod and an abutting plate, one end of the sleeverod is fixedly connected with the arc side face of the diffusion inner flow guide ring, the other end of the sleeve rod is connected with one end of the first transverse rod, the end, not connected with the sleeve rod, of the first transverse rod is fixedly connected with the inner side wall of the exhaust hood lower part, one end of the second transverse rod is fixedly connected with the arc sideface of the sleeve rod, and the other end of the second transverse rod is fixedly connected with the inner front wall of the exhaust hood lower part. Horizontal supporting plates are arranged on theouter rear wall and the two outer side walls of the exhaust hood lower part, horizontal reinforcing plates are arranged on the outer front wall, the outer rear wall and the two outer side walls of theexhaust hood lower part, a plurality of first vertical reinforcing plates are arranged between a lower flange and the horizontal supporting plates, and a plurality of second vertical reinforcing plates are arranged between the horizontal supporting plates and the horizontal reinforcing plates.

The invention relates to the technical field of electrical automation detection of tobacco, and provides a combined detection device for cigarette packets. The combined detection device includes a cigarette packet ultra-width detecting and removing device, a cigarette packet visual appearance detecting device and a controller; the cigarette packet ultra-width detecting and removing device is arranged at the downstream of a cigarette packaging machine and is arranged at the upstream of the cigarette packet visual appearance detecting device; the cigarette packet ultra-width detecting and removing device and the cigarette packet visual appearance detecting device are electrically connected with the controller respectively; the cigarette packet ultra-width detecting and removing device is used for detecting and removing ultra-wide cigarette packets; and the cigarette packet visual appearance detecting device is used for detecting the appearance quality of the cigarette packets. Compared with the prior art, the combined detection device for cigarette packets not only can detect and remove ultra-wide cigarette packets, but also can accurately detect the appearances of the cigarette packets. Therefore, the cigarette packet detection efficiency is greatly improved. The cigarette packet ultra-width detecting and removing device and the cigarette packet visual appearance detecting device achieve an obvious combination effect, and the advantages and disadvantages thereof are complementary.

The invention relates to an indoor temperature control system utilizing geothermal energy. The indoor temperature control system utilizing the geothermal energy comprises at least two stages of raft plate column pier type energy foundations, geothermal energy type floor heating devices connected with the corresponding stages of raft plate column pier type energy foundations to form floor heating circulation branches, and geothermal energy type water-cooling air conditioning devices connected with the corresponding stages of raft plate column pier type energy foundations to form water-cooling circulation branches. The system comprises a water storage tank, a self-priming pump, a domestic water pipeline and a control system, each stage of raft plate column pier type energy foundation is connected in parallel and comprises a raft plate foundation and an energy column pier which are integrally poured through concrete, and heat exchange pipes for heat exchange with heat energy in soil are pre-buried in the raft plate foundation and the energy column pier. The control system comprises an intelligent temperature controller used for monitoring the indoor temperature and a multi-way switch connected with the intelligent temperature controller, and the multi-way switch is connected with the corresponding circulation branch when the temperature monitored by the intelligent temperature controller is smaller than or larger than a set value. Terrestrial heat can be effectively utilized, and energy consumption is reduced.

The invention belongs to the technical field of civil construction engineering, and particularly discloses a cast-in-place bored energy pile with a novel pipe layout mode and a construction method thereof. The cast-in-place bored energy pile comprises a cast-in-place pile body, a heat transfer pipe arranged in the cast-in-place pile body, a water pump communicating with an inlet of the heat transfer pipe, and a heat collector communicating with an outlet of the heat transfer pipe; the water pump and the heat collector communicate with a heat exchange structure; the cast-in-place pile body is formed by lowering and welding a plurality of reinforcement cages in sections, each reinforcement cage is composed of a top reinforcement cage section, a bottom reinforcement cage section and a middlereinforcement cage section, and reinforcement loop rings are welded to the top and the bottom of each reinforcement cage section; and the heat transfer pipe penetrates through the reinforcement loop rings to be bound to the reinforcement cages, and the heat transfer pipe leads to the heat collector after passing through the water pump and the heat exchange structure. The cast-in-place bored energypile has the advantages that the structure is simple and construction is convenient and fast.

The invention relates to the technical field of power-assisted bicycles, in particular to a mounting structure of a centrally-mounted motor and a power-assisted bicycle. The mounting structure of the centrally-mounted motor comprises a motor assembly, a connecting frame, fasteners and a stretching protection sleeve, a through mounting hole is formed in the motor assembly, the connecting frame comprises two connecting arms located at the two ends of the mounting hole in the length direction respectively, the stretching protection sleeve is arranged in the mounting hole in a penetrating mode, and the two ends of the stretching protection sleeve are connected with the fasteners. The fasteners penetrate through the connecting arms and are fixed to the stretching protective sleeve so as to fix the motor assembly and the connecting frame. Due to the fact that the stretching protection sleeve can be stretched and deformed under the action of the pre-tightening force of the fasteners, compensation is provided for the gap between the motor assembly and the connecting frame, the motor assembly and the connecting frame are prevented from being deformed and even broken under the action of the pre-tightening force, and protection on the motor assembly and the connecting frame is improved. The power-assisted bicycle adopts the mounting structure of the centrally-mounted motor so that the motor assembly and the frame are stably fixed, and the protection on the motor assembly is improved.