304 results about "Mechanical force" patented technology

A tunnel boring device and a tunnel boring machine, which aim to solve the problem of a hinged oil cylinder being likely to be damaged due to a propulsion mode. The tunnel boring device (100) comprises a front shield (110), a middle shield (120), and a tail shield (130). A first propulsion assembly (140), a second propulsion assembly (150) and an auxiliary propulsion member (160) are provided inside the tunnel boring device; the auxiliary propulsion member (160) is located between the front shield (110) and the second propulsion assembly (150); and when the front shield (110) is stuck, the second propulsion assembly (150) moves in a tunneling direction, such that a second end of the second propulsion assembly (150) comes into contact with and abuts against the auxiliary propulsion member (160), thereby pushing the front shield (110) to free the front shield. In the present application, a dual-mechanical force transmission structure is provided, which helps to avoid the risk whereby a hinged oil cylinder is likely to be damaged when ultrahigh thrust is transmitted to the front shield by means of a single mechanical force transmission structure, and which transmits the ultrahigh thrust to the front shield, facilitating escape of the front shield, and then guaranteeing normal boring of a tunnel boring machine.

In one embodiment, a system for an aerial application aircraft includes a hopper cover, an electric actuator coupled to the hopper cover, a latch sequencing mechanism, a spring, and a dual latch mechanism. The latch sequencing mechanism includes a latch rod coupled to the electric actuator that moves the latch rod between a latched position and an unlatched position. The spring is coupled to the latch sequencing mechanism and the latch rod, and the spring exerts linear mechanical force based on the latch rod being in the latched or unlatched position. The dual latch mechanism is coupled to the latch rod and includes a first latch pin that engages a first latch box and a second latch pin that engages a second latch box opposite the first latch box.

The invention discloses an electric fascia gun self-adaptive to mechanical strength, and belongs to the technical field of electric fascia guns, the electric fascia gun self-adaptive to mechanical strength comprises a main body mechanism used for relaxing fascia of a patient part or a part needing to be relaxed, and the main body mechanism is provided with a self-adjusting mechanism for adjusting huge strength according to different pressing strength. The self-adjusting mechanism comprises a fixing cylinder fixedly installed in the fascia gun shell. By means of a mechanical self-adjusting mechanism, the pressing force of the hand of a user is directly converted into the impact strength of the operation tail end in real time, when the user presses down forcibly, the displacement of the outer sliding sleeve pushes the sliding column to move outwards without delay through the inclined groove plate and the lifting conical head, the eccentric distance of a transmission system is increased, and the transmission efficiency is improved. The stroke and the impact force of the operation tail end are linearly increased, accurate force feedback can be provided according to different body parts and muscle states, the poor relaxation effect caused by insufficient force is avoided, and damage possibly caused by excessive impact in a sensitive area is also prevented.

The invention discloses a detection device for plastic packaging bag production, and belongs to the field of plastic packaging bag production, and the detection device comprises a first threaded cylinder, the interior of the first threaded cylinder is rotatably connected with a threaded rod in a threaded manner, the two sides of the first threaded cylinder are fixedly connected with first baffles, and the end, away from a rotating handle, of the threaded rod is rotatably connected with a second threaded cylinder. The bottom end of the second threaded cylinder is fixedly connected with a circular bottom support, the end, away from the second threaded cylinder, of the telescopic rod is fixedly connected with the circular bottom support, the bottom end of the circular bottom support is fixedly connected with a first tension sensor, the lower side of the first tension sensor is fixedly connected with a fixing plate, and the fixing plate is slidably connected with the first tooth-shaped clamping plate. And a lower clamping assembly is assembled at the bottom end of the inner wall of the box body. According to the plastic packaging bag tensile strength testing device, the tooth-shaped clamping plates are arranged to clamp a plastic packaging bag, and meanwhile, the tooth-shaped clamping plates are matched with the hydraulic assembly, so that the effects of clamping the plastic packaging bag and testing the tensile strength of the plastic packaging bag by using mechanical force instead of manpower are achieved.

A MEMS scanning device includes a frame, a movable MEMS mirror, at least one connector, and an elongated actuator. The movable MEMS mirror is configured to be rotated about at least one rotational axis. The at least one connector is connected to the movable MEMS mirror and is configured to facilitate rotation of the movable MEMS mirror about the at least one rotational axis. The elongated actuator is configured to apply mechanical force on the at least one connector, the elongated actuator having a base end connected to the frame and a distal end connected to the at least one connector, wherein a width of the base end of the actuator is wider than the distal end of the actuator.

In one embodiment, a system for an aerial application aircraft includes a hopper cover, an electric actuator coupled to the hopper cover, a latch sequencing mechanism, a spring, and a dual latch mechanism. The latch sequencing mechanism includes a latch rod coupled to the electric actuator that moves the latch rod between a latched position and an unlatched position. The spring is coupled to the latch sequencing mechanism and the latch rod, and the spring exerts linear mechanical force based on the latch rod being in the latched or unlatched position. The dual latch mechanism is coupled to the latch rod and includes a first latch pin that engages a first latch box and a second latch pin that engages a second latch box opposite the first latch box.

In one embodiment, a system for an aerial application aircraft includes a hopper cover, an electric actuator coupled to the hopper cover, a latch sequencing mechanism, a spring, and a dual latch mechanism. The latch sequencing mechanism includes a latch rod coupled to the electric actuator that moves the latch rod between a latched position and an unlatched position. The spring is coupled to the latch sequencing mechanism and the latch rod, and the spring exerts linear mechanical force based on the latch rod being in the latched or unlatched position. The dual latch mechanism is coupled to the latch rod and includes a first latch pin that engages a first latch box and a second latch pin that engages a second latch box opposite the first latch box.

The utility model provides a production mould for a motor casing, which relates to the technical field of motor components and comprises a demoulding mechanism, a fixing mechanism is arranged at the bottom of the demoulding mechanism, the demoulding mechanism comprises a mould body, a casting cavity is arranged on the inner wall of the mould body, and a bottom ring is arranged at the bottom end of the inner wall of the casting cavity. By rotating the lead screw, external force can be continuously applied to the movable arm, the movable arm gradually evolves from an inclined mode to a transverse parallel mode, in the evolvement process, the connecting arm moves, the triangular plate moves under the pressure of the connecting arm, and the bottom ring vertically moves upwards under the condition of the external force. When the motor shell is molded, a part of the molded motor shell is ejected out of the mold cavity, so that a product can be taken out of the mold body more easily under the action of mechanical force, the production efficiency and the yield are improved, and the operation method can ensure that the product is not damaged in the demolding process.

Valves for relieving pressure from high-pressure fluid systems have a valve fitting and a valve actuator. The pressure relief valve is normally shut and is adapted to open at a relief fluid pressure. It comprises a valve fitting and an actuator. The actuator has a valve stem, a spring, and an electromagnet. The stem is coupled to a valve body and mounted for linear reciprocation. The spring applies a mechanical force that biases the stem to place the valve in a normally shut state, but allows the valve to open at a first fluid pressure below the relief pressure. The electromagnet applies a magnetic force that, together with the mechanical force, holds the valve in an operationally shut state at a second fluid pressure above the relief pressure. The valve may be opened at fluid pressures above the first fluid pressure by de-energizing the electromagnet at the relief pressure.

The invention discloses an electric reactor multi-field coupling vibration fatigue simulation method and system based on an S-N curve, and belongs to the technical field of electric power equipment fatigue simulation, and the method comprises the steps: obtaining structure parameters and material parameters of a target electric reactor, and building a parameterized physical model comprising an iron core, a winding and an insulation assembly; based on the parameterized physical model of the target reactor, simulating a time-varying mechanical force in the target reactor under the excitation of rated power frequency current; according to the time-varying mechanical force, calculating the vibration response of each part of the target reactor, and extracting the alternating stress distribution of the target reactor under the steady-state operation condition; and based on the material S-N curve of each component of the target reactor, analyzing the alternating stress distribution by adopting a linear cumulative damage theory, and calculating the failure cycle index and the fatigue life of each component under the preset cycle load. According to the method, through multi-field coupling simulation and S-N curve analysis, the fatigue life of the electric reactor is predicted, and a basis is provided for preventive maintenance.

A multi-layer composite body that includes a first composite layer having a first elasticity parameter and a second composite layer mechanically coupled with the first composite layer. The second composite layer may have a second elasticity parameter that is different from the first elasticity parameter of the first composite layer. The first composite layer may include at least two transverse parts joined by a flexible folding zone such that the at least two transverse parts and the folding zone form a reversibly foldable and substantially two-dimensional homogenous structure. Further, the first composite layer and the second composite layer may respond to a common external mechanical force in a different manner.

The utility model relates to the technical field of power lines, in particular to a power line protection structure, which comprises a power line, the surface of the power line is provided with a protection structure, the protection structure comprises a spring wire protection sleeve sleeved on the surface of the power line, and one end of the spring wire protection sleeve is fixedly connected with a shell. A first clamping claw is fixedly connected to an inner cavity of the shell, the power line is located in the inner cavity of the first clamping claw, two fixing blocks are arranged at one end of the shell, the power line is located in inner cavities of the fixing blocks, one end of the bottom fixing block is fixedly connected with the shell, and spring grooves are formed in the centers of the interiors of the two fixing blocks. An inner cavity of the spring groove is slidably connected with a moving block, and the two sides of the moving block are fixedly connected with first springs. The power line has the advantage of high protection performance, and in the actual use process, the damage degree of external mechanical force to the power line can be effectively reduced through the arranged protection structure.

The invention belongs to the technical field of wire harness processing, and discloses an automobile wire harness cutting mechanism which comprises a guide piece and a clamping piece which are located at the end of a wire harness. The guide element is provided with a guide slope surface extending towards the radial outer side of the wire harness, and the guide slope surface is inserted into and acts on an interface between the braid layer and the insulating layer; an active deformation strategy of internal pressure and external expansion is adopted: a clamping and pressing piece acts on the inner side of the end part of the wire harness, and uniform pressure is applied to the center along the radial direction, so that an original circular section generates controllable local elliptical or flattened deformation. Due to basic conservation of the material volume, the inner side compression inevitably causes outward slight expansion of the outer side area, so that a continuous, annular and width-adjustable initial gap is formed at the interface of the braid layer and the insulating layer. The gap is not dependent on material relaxation, but is actively generated by mechanical force, and has high repeatability and process stability. The guide piece is smoothly wedged in through the gap, and structural damage caused by impact type insertion is avoided.

The invention discloses a laser bonding and de-bonding method and a laser bonding and de-bonding system for diamond and glass. According to the method, ultrafast laser penetrates through glass and is focused on a diamond-glass contact surface, so that the glass is locally melted and sprayed out to fill a gap, and high-strength bonding (the shearing strength reaches 14.1 MPa) is realized; during de-bonding, long-pulse laser is adopted to induce microcracks in a bonding area to form a modified surface, and lossless separation is realized through mechanical force. The method has the following advantages: (1) non-contact bonding can be realized when the gap is greater than or equal to 3 microns; (2) glass is selectively melted, and diamond damage is avoided; (3) no middle layer exists, and the intrinsic performance of the material is kept; and (4) the bonding / debonding is reversible, and the process is controllable. The matching system comprises an ultrafast laser, a long pulse laser, a precision motion platform and a computer control system, and can realize efficient connection and separation of diamond and various types of glass. The method is suitable for the high-end manufacturing fields of large-size diamond wafer preparation, optical device packaging and the like.

The utility model provides a heat transfer tube internal protective gas pressure maintaining sealing structure, which comprises a heat transfer tube, an elastic sealing plug assembly and a one-way valve assembly, the one-way valve assembly is embedded in the elastic sealing plug assembly, and the one-way valve assembly is in sealing connection with an opening part of the heat transfer tube through the elastic sealing plug assembly. According to the utility model, the effect of keeping micro-positive pressure in the heat transfer pipe is achieved by utilizing the matching of elasticity and mechanical force of the two stages of elastic sealing plugs, the heat transfer pipe is prevented from being rusted in a common atmospheric environment, and the normal operation of nuclear power is ensured.

Some variations provide a pressure vessel comprising: a chamber for processing a material under a chamber pressure up to 5000 bar; an end cap disposed at one end of the pressure chamber; an interior seal plate disposed between the end cap and the chamber volume; and a plurality of pressure-vessel keys disposed between the end cap and an outer ring. At a chamber pressure greater than atmospheric, the end cap exerts a force against the keys to automatically and reversibly actuate a pressure-vessel seal. Conversely, at atmospheric pressure or less, the keys and end cap are easily removable. Essentially, the pressure in the vessel is utilized as an in situ mechanical force to automatically actuate a safe and efficient seal. Process cycle times are significantly reduced because the vessel is not opened and closed using tooling. Throughputs are increased, improving economics of pressure vessels for extraction, reaction, or other processes.

The utility model relates to the technical field of brakes, and provides a permanent magnet drum type electromagnetic brake which comprises a machine shell, a stator, a reset element and a rotor and further comprises a permanent magnet magnetized in the radial direction, the rotor is arranged in the machine shell in a penetrating mode, the permanent magnet is fixedly arranged on the rotor in a sleeved mode, the stator is arranged on the outer side of the permanent magnet, and the reset element is connected between the stator and the machine shell. The stator is attracted by the permanent magnet to generate pressure during power loss, so that braking is formed; the magnetic force generated when the stator is electrified repels the magnetic force of the permanent magnet, the stator is pulled open by the reset element, and braking is relieved. Compared with a traditional drum-type electromagnetic brake, a mechanical force transmission structure is not needed, the structure is simplified, braking and braking releasing are achieved only through the action of a magnetic field, and the response speed is increased.

The invention relates to an electric braking system (S) comprising: - a friction element (4) configured to generate a braking torque (CF) to be applied to a rotor; - an actuator (3) of the friction element (4) configured to generate a mechanical force to bring the friction element into contact with the rotor so that it applies the braking torque to the rotor; - an electromechanical member (2) configured to drive the actuator (3) of the friction element (4), the electromechanical member (2) comprising an electric motor (22) and an angular position sensor (23) configured to measure an angle of rotation of the electric motor (22); - a control unit (1) configured to control the electric motor (22) in order to achieve a target braking torque, the control unit (1) implementing a relationship between the angular position of the electric motor and the displacement of the actuator (3) to achieve the target braking torque.Figure for the abbreviation: FIGURE 2.

The present application relates to the technical fields of plate processing, and discloses a plate lifter with efficient adjusting effect, which comprises a disc cutter cutting mechanism, a conveying mechanism and a plate lifting mechanism, the plate lifting mechanism comprises a frame and a movable plate, the movable plate is located inside the frame, the lower side of the movable plate is provided with a frame body, and the lower side of the movable plate is provided with a cleaning assembly in the middle; the present application can adjust the positions of a plurality of V-shaped soft brushes and V-shaped scraping pieces according to the thickness of the plate, ensure that the plurality of V-shaped soft brushes and V-shaped scraping pieces contact the upper side of the plate during revolution, and facilitate the rapid cleaning of impurities on the upper side of the plate, so as to achieve efficient adjusting effect; the V-shaped soft brush opening can guide the impurities to gather in the center of the bristles, reduce the scattering of impurities during cleaning, and keep the working environment clean; and the V-shaped edge of the V-shaped scraping piece forms a line contact with the surface of the plate, and the adhered impurities are stripped by mechanical force, so that stubborn impurities are efficiently stripped.

The present invention provides a catheter for treating an occlusion within a body lumen. The catheter includes a fluid-filled catheter body. An impactor is connected to the distal end of the catheter body and has a proximal end within the catheter body and a distal end outside the catheter body. The catheter also includes a shock wave source configured to generate a shock wave, and a deflector located between the shock wave source and the distal end of the catheter body and coupled to the proximal end of the impactor. When the shock wave source generates a shock wave, the shock wave impinges on the deflector, causing the deflector and the impactor to propel forward, causing the distal end of the impactor to deliver a mechanical force to the occlusion, thereby restoring flow to the body lumen.

This invention provides a method for removing a portion of a crystalline material (e.g., SiC) substrate. [Solution] The method involves bonding the surface of a substrate 172 to a rigid support 176 (for example, with a thickness of >800 μm). A subsurface laser-damaged region 173 is provided at a certain depth relative to the surface within the substrate. The substrate may be bonded to the support 176 by an adhesive material 174 having a glass transition temperature greater than 25°C. The crystalline material is fractured along the subsurface laser-damaged region 173 to create a bonded assembly comprising the support and a portion of the crystalline material. The fracture of the crystalline material is facilitated by (i) applying a mechanical force in close proximity to at least one support edge to impart a bending moment to the support, (ii) cooling the support if the support has a larger coefficient of thermal expansion than the crystalline material, and / or (iii) applying ultrasonic energy to the crystalline material.

1, a fan drives wind wheel blades to form a labor-saving lever structure, power is input into a clockwork spring energy storage bin, constant-speed torque increasing is achieved, and primary torque amplification and mechanical potential energy accumulation are completed; 2, the outer ring of the clockwork spring energy storage bin forms a high-magnification labor-saving lever depending on the maximum force arm at the outer edge, and is meshed and linked with a pinion through an outer ring gear, so that the limitation of increasing and reducing the torque of a conventional gear is broken, and the output torque and the rotating speed are synchronously amplified; 3, power is transmitted to a balance wheel assembly through a crankshaft, the output rotating speed and power of the whole machine are calibrated and stabilized by means of the inertia of a balance wheel, and power fluctuation is eradicated; and 4, by regulating and controlling the rotating speed of the wind wheel and accurately matching the running speed of the gear of the energy storage bin, controllable adjustment of the output rotating speed and torsion is achieved, rated working parameters of the generator are fitted, and continuous and stable power generation is guaranteed. The whole set of system depends on the multi-level lever mechanics principle and is combined with an original force increasing structure for stress of the outer edge of a spring bin, torque superposition and amplification are completed step by step, the gain effect of mechanical force is converted into stable energy output gain, and mechanical energy storage power generation logic with a controllable closed loop and a constant working condition is formed.

To provide an oil-immersed transformer with a simple structure that can suppress deformation. [Solution] The oil-filled transformer 1 according to the embodiment comprises a plurality of coils 2 composed of inner coils 12a and outer coils 12b arranged concentrically, an iron core 3 having legs 13 on which the coils 2 are mounted, an upper fitting 4 provided on the upper end side of the iron core 3, a lower fitting 5 provided on the lower end side of the iron core 3, and an inner circumferential support member 6 provided on the inner circumferential side of the coil 2 with its upper end supported by the upper fitting 4 and its lower end supported by the lower fitting 5, and which supports the coil 2 from the inner circumferential side and suppresses deformation by distributing and transmitting the mechanical force generated in the coil 2 to the upper fitting 4 and the lower fitting 5, wherein the upper end of the inner circumferential support member 6 is fixed to the upper fitting 4 in a range below the upper horizontal line (L10), and the lower end is fixed to the lower fitting 5 in a range above the lower horizontal line (L11).

An optical micromirror system, particularly for microlithography, comprising: a base body (40), at least one surface body (41) connected to the base body (40) and having a reflectively coated upper surface, a heat actuator (45, 46, 47) for introducing heat energy into the surface body (41); a controllable curvature device (43) for mechanically influencing the curvature of the surface body (41); and a control unit (44) for controlling the heat actuator and the curvature device (43) such that the reflectively coated upper surface of the surface body (41) assumes a predetermined geometric shape. The invention enables targeted temperature control and the targeted application of mechanical forces, thus counteracting undesired deformations of the reflective upper surface and achieving a desired curvature of the reflective upper surface.

1. Name of the design product: electric planer. 2. Use of the design product: the design product uses mechanical force to remove and flatten elements. 3. Design points of the design product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The invention discloses a plunger pump structure. According to the plunger pump, mechanical force acts on the two-stage spring structure to drive the plunger rod. The mechanical force can come from a hydraulic device, a screw, electromagnetic force and the like. Through the combined use of the hydraulic device and the heavy-load spring, the plunger pump can obtain the ultimate pressure under the limitation of existing materials.

The invention discloses a mechanical force application platform device for a rock and soil sample strength test in the technical field of rock engineering, which comprises a mechanical force application platform consisting of a test platform, a single-shaft force application mechanism and a test seat, and further comprises a side support mechanism, the side supporting mechanism is composed of multiple sets of adjusting parts, multiple sets of supporting parts and a fixing part, the fixing part is arranged on the outer side of the test seat, the multiple sets of adjusting parts and the test seat are fixedly arranged through the fixing part, and the supporting parts are installed on the outer sides of the adjusting parts in a sliding mode; auxiliary contact parts are arranged at the end parts of the plurality of groups of supporting parts, and each auxiliary contact part is composed of a plurality of groups of contact plates; through the design of a plurality of groups of adjusting parts, supporting parts, fixing parts and auxiliary contact parts, a rock model with an actual shape is supported by modularized side edges, so that the experiment accuracy can be effectively improved, and meanwhile, the practicability of the rock model for a rock engineering model strength test is improved.

A nickel metal clamp tool includes a nickel crucible, a nickel bottom plate is arranged in the nickel crucibble, side nickel plates are arranged on the side edges of the nickel bottom plate, and inner nickel plates are arranged on the inner edges of the side nickel plates. Thus, the nickel metal clamp tool is formed by the nickel bottom plate, the side nickel plates and the inner nickel plates. Under the action of a certain mechanical force, the smooth nickel bottom plate can form a sealing layer with the lower surface of the wafer, so as to isolate the carbon surface of the wafer from the external environment of the tool, so that the high-temperature molten potassium hydroxide cannot contact the protected carbon surface, and only the exposed silicon surface is corroded, so that the wafer can be used as a seed crystal after corrosion.

The invention relates to a module for a turbomachine comprising a shaft in an axial direction and an electric machine (110) comprising: - a rotor (120) coupled in rotation with the shaft and comprising a disk (122) and magnetic elements (124) arranged regularly around the periphery of the disk, and - a stator (130) integral with a housing of the module comprising a ring (132) and coils distributed annularly inside the ring of the stator, the coils are arranged outside the magnetic elements of the rotor in a radial direction, wherein the rotor has an imbalance defect represented by a mechanical force (F1) when the magnetic elements are in a first position, and at least one magnetic element (124) is movable from the first position to a second position adapted to apply to the rotor a magnetic force (F2) opposite to the mechanical force when the electric machine is in operation.Figure for the abbreviation: Figure 2.

The invention discloses a preparation method and application of a novel MOF material, and belongs to the technical field of gas separation. According to the preparation method, a heat-assisted mechanical force method and low-temperature calcination are combined, the pre-organization degree of the precursor is remarkably improved by combining ball-milling pretreatment with a solvation effect, and directional growth of a long-range ordered M-O-C bond network is realized in the calcination process, so that the high-crystallinity single-phase MOF is prepared. The prepared MOF material belongs to an orthorhombic system, the diameter of more than 95% of pore channels is smaller than the diameter of cavities, the MOF provided by the invention has industrial application potential, the preparation cost of the material can be remarkably reduced, and the separation coefficient is greater than 3800 when CO2 / N2 / CH4 is separated under the conditions of 298K and 10bar.