25results about How to "Large deformation" patented technology

This invention discloses a transformer lead fixing device with deformation self-compensation function, relating to the field of transformer technology. The invention includes a fixing plate fixed to the transformer housing, a lead fixing component, a deformation self-compensation mechanism, and a pin mechanism. The deformation self-compensation mechanism includes a clamping component fixed to the end of the lead and multiple stops disposed on the fixing plate. The clamping component has a multi-segmented bent elastic structure, and the stops have inclined abutment surfaces. The pin mechanism adjustably mounts the lead fixing component to the fixing plate. When the lead fixing component is driven to move closer to the transformer housing, the clamping component and the inclined abutment surfaces of the stops abut against each other, generating elastic deformation and achieving electrical contact between the clamping component and the terminal block. This invention, through the multi-segmented bent elastic structure of the clamping component and the unidirectional displacement adjustment of the pin mechanism, achieves adaptive compensation for deformation caused by thermal expansion and contraction and vibration, ensuring long-term stable electrical contact between the terminal block and the lead, and facilitating subsequent maintenance and adjustment.

This invention relates to the field of asynchronous motors for electric forklifts, and discloses an asynchronous motor for electric forklifts with noise reduction function. The motor includes an electric forklift and an electric forklift drive structure mounted on the bottom of the electric forklift. The electric forklift drive structure is used to propel the electric forklift. The electric forklift drive structure includes an asynchronous motor and a forklift drive connector fixed to the outside of the asynchronous motor. The asynchronous motor and the forklift drive connector are connected and fixed to the electric forklift through a drive structure fixing component and a drive structure connector. A drive component is fixedly connected to the output end of the asynchronous motor, and a drive component kit is fitted onto the outside of the drive component. The drive component kit is fixed to the end of the asynchronous motor and is used to adjust the radial angle of the drive component. Compared with the prior art, this application has advantages such as compensating for meshing misalignment during the asynchronous motor transmission process, and solves a series of problems such as noise caused by meshing misalignment.

The utility model relates to a polyurea anti-seepage mask rockfill dam structure which comprises a rockfill dam body, a padding layer and a polyurea anti-seepage structure, the rockfill dam body is provided with an upstream water retaining dam face and a downstream dam face, a toe board is arranged at the bottom of the upstream water retaining dam face, and a wave wall is arranged on one side of the top of the upstream water retaining dam face; the padding layer comprises a transition material area, a padding material area and a protective layer which are sequentially laid on the upstream water retaining dam face, and the protective layer comprises one of rolling mortar, an extrusion side wall or a rollover fixed slope. The polyurea anti-seepage structure is laid on the surface of the protective layer, one side of the polyurea anti-seepage structure is connected with the toe board, the other side of the polyurea anti-seepage structure is connected with the wave wall, the polyurea anti-seepage structure comprises a polyurea anti-seepage layer and geotechnical cloth, and the geotechnical cloth serves as an isolation layer to be laid between the protective layer and the polyurea anti-seepage layer. According to the polyurea anti-seepage face rock-fill dam structure, the problem of seepage prevention of the polyurea application and the face rock-fill dam surface can be effectively solved.

The utility model discloses a magnesium alloy prevents displacement support structure, including the telescopic unit of the radial telescopic of support opening and the support connecting rod between connecting in telescopic unit, telescopic unit possesses several mutually far away telescopic point when radial telescopic, interval selects part telescopic point as support function component mounting point, and the connecting position of support connecting rod and telescopic unit is on the telescopic point of support function component mounting point adjacent connection, the utility model discloses a function component is set up in telescopic unit, and function component includes support support arm etc, and the deformation of the region where function component is located and other areas of telescopic unit is controlled by the support connecting rod on the both sides of function component, thereby making the region where function component is located can with the process of support opening automatically to the outer surface of support contour convex, realizes the function such as the anti -displacement support or development of support.

The utility model provides an integrated button structure of printer and printer, including the shell body, the shell body is provided with the button position, the button position is partially hollow, the hollow part of the button position is provided with the pressing body and the elastic arm, one end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the button position, and the other end of the elastic arm is connected with the button position. One end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the inner wall of the hollow part of the key position, a gap is formed between the pressing body and the inner wall of the hollow part of the key position, the pressing body and the elastic arm are integrally formed, and the elastic arm and the shell body are integrally formed. By arranging the partially-hollowed-out key position on the shell body, when the shell is formed, the pressing body of the hollowed-out part is connected with the inner wall of the hollowed-out part through the elastic arm, the pressing body and the shell body are formed into a whole, the elastic arm provides reset force and connection limiting, the structure is more compact, excessive free shaking is avoided, additional assembly is not needed, and the cost is reduced. The production efficiency can be improved, independent mold opening for the key is not needed, and the production cost can be saved.

The utility model discloses a uwDAS optical cable and audio box combined device for equipment fault monitoring. The device comprises a sensing optical cable, an audio box base, an audio box mandrel, an audio box cover and a sensing optical fiber, the sensing optical fiber is tightly wound on the audio box core shaft, and the audio box core shaft is fixed on the audio box base; the audio box base and the audio box cover are assembled to form an audio box; and the sensing optical cable is connected with the sensing optical fiber in the audio box to form an optical cable and audio box combined device. Through the uwDAS optical cable and audio box combined device, long-distance and high-sensitivity detection of equipment operation sound wave signals can be realized; the system has the characteristics of high sensitivity, stable structure, flexible deployment, continuous coverage, distributed detection, industrial adaptability and the like.

The utility model relates to the technical field of auxiliary devices for electric power operation, in particular to a shawl for live-line work insulation clothes, which comprises a shoulder part, a chest part is arranged at the front end of the shoulder part, a back part is arranged at the rear end of the shoulder part, the back part is designed by adopting a concave curve process, and reinforcing mechanisms are arranged at two interfaces of the shoulder part and between the chest part and the back part; the reinforcing mechanism arranged at the shoulder joint comprises a mounting sleeve fixedly connected to the outer side of the shoulder, an adjusting sleeve is slidably connected to the outer side of the mounting sleeve, and a wire spool is fixedly connected to the inner side of the adjusting sleeve; by adopting the hidden reinforcing mechanism for reinforcing the connecting rope, the probability that foreign matters such as external oil stains, dust, sharp objects and the like are in contact with the connecting rope can be effectively reduced, normal operation of the reinforcing mechanism can be ensured, meanwhile, the probability that normal operation of a user is interfered can be reduced, and then the practicability of the tippet for the live-line work insulating clothes is improved.

The utility model discloses an optical axis adjusting mechanism, an imaging module and an imaging device, the optical axis adjusting mechanism comprises a mounting seat, an adapter bracket and an adjusting assembly, the adapter bracket is used for mounting an optical system, and the adjusting assembly is respectively connected with the mounting seat and the adapter bracket; the adjusting assembly comprises an adjusting element and an elastic structure, an adjusting hole is formed in the adapter bracket, the adjusting element penetrates through the adjusting hole and is connected with the mounting seat, the elastic structure is located between the mounting seat and the adapter bracket, and the adjusting element can spirally move relative to the mounting seat; and the adapter bracket moves relative to the mounting seat by extruding the elastic structure or under the elastic force action of the elastic structure. The optical axis is adjusted by rotating the adjusting element, the effect of continuous adjustment can be achieved, repeated disassembly and assembly operation in the adjusting process is avoided, the optical axis can be rapidly adjusted to the corresponding position, the adjusting duration is shortened, and meanwhile the requirement for the proficiency of debugging personnel can be lowered.

The embodiment of the utility model discloses a welding strip rolling device. The device comprises a rack, a first pressing roller and a second pressing roller, wherein the first pressing roller and the second pressing roller are arranged on the rack; at least one end-to-end groove is formed in the first pressing roller in the circumferential direction of the first pressing roller, and the first pressing roller and the second pressing roller can rotate relatively so that passing materials can be extruded in the groove to form a welding strip. According to the embodiment of the invention, the technical effects that the press roller assembly difficulty is low and the quality of a rolled product can be ensured are achieved.

The application discloses an elastic cantilever beam, an optical fiber acceleration sensing device and system, and belongs to the technical field of optical fiber sensing. The elastic cantilever beam comprises a U-shaped beam body structure, the diameters of beam arms of the beam body structure gradually increase along the direction of an opening end of the beam body structure; a hollow part is arranged between the beam arms, the width of the hollow part gradually increases along the direction of the opening end of the beam body, and a plurality of beam body structures are arranged in parallel and connected through connecting parts to form a multi-period folding structure. The elastic cantilever beam provided by the application is used for acceleration signal sensing through a design of a width-gradually-changing multi-period folding cantilever beam. Under the same size, the deformation amount of the cantilever beam structure can be significantly increased compared with a conventional elastic cantilever beam when force is borne, so that the acceleration signal detection sensitivity of the sensing structure can be improved, and high-sensitivity and low-noise-level acceleration signal detection can be realized.

The invention relates to a vibration energy collector for power supply of an electric toothbrush, comprising a vibration beam (1) and a vibration amplification device, the vibration beam (1) is an arched iron sheet with MFC sheet (2) pasted on the inner side of several concaves, the vibration amplification device comprises an iron ball (3) and a spring (4). Compared with the prior art, the invention has the advantages of high system output power, long service life, stable work and the like.

The invention discloses a thermal strain alloy support plate flame stabilizer applied to an afterburner, and belongs to the field of aero-engine afterburner design. The thermal strain alloy flame stabilizer is composed of two thin-wall performance adjusting plates, the adjusting plates generate thermal bending moment and deform when forming a temperature gradient in the thickness direction, and therefore the divergence angle of the tail edge of the supporting plate is changed in a self-adaptive mode. Flow channel blockage is weakened, and the total pressure loss is reduced; under the afterburning working condition, high-temperature fuel gas in a backflow area heats the inner side of the adjusting plate to promote the adjusting plate to expand outwards, a larger trailing edge divergence angle and the backflow area are formed, fuel evaporation and mixing are accelerated, and the penetration depth and the space uniformity are improved; meanwhile, the temperature difference is further increased through liquid drop impact and evaporation heat absorption, and deformation and combustion efficiency is enhanced. An additional executing mechanism is not needed, the structure is simple and reliable, and stress application efficient combustion and non-stress application low-resistance operation can be both considered.

The utility model discloses a flexible connecting element for finned tubes of a gasifier and the gasifier, and relates to the technical field of gasifiers. When the finned tube connecting structure is installed, fins of the finned tubes are connected to the finned tube connecting structure, when the vaporizer works, the finned tubes expand with heat and contract with cold, due to the fact that the connecting plate is arranged at the position of the deformation groove, when the finned tubes act on the connecting plate, the deformation groove deforms, and then expansion with heat and contraction with cold of the finned tubes are supplemented. And due to the arrangement of the deformation groove, the deformation amplitude is increased, the compensation capability of the connecting element is improved, the common industrial phenomenon that the joint of the connecting element and the finned tube is cracked due to insufficient compensation in the prior art is solved, and the connection strength and the overall safety of equipment are completely achieved.

The utility model relates to an interference type pressure sensing system based on a multimode optical fiber network, which belongs to the technical field of optical sensing and solves the problems of high manufacturing cost and complex structure of the existing optical fiber pressure sensing technology. When a slight pressure signal is transmitted to the multi-mode optical fiber network through the upper cover plate or the lower cover plate, the multi-mode optical fiber network deforms, the deformation causes mode interference change in the multi-mode optical fiber and changes an optical transmission mode, an output optical signal is transmitted to the photoelectric detector through the second single-mode optical fiber, the optical signal is converted into an electric signal, and the electric signal is transmitted to the photoelectric detector through the second single-mode optical fiber. By acquiring and processing the output electric signals, slight pressure change on the whole cover plate surface can be obtained, along with the increase of the number of the grids, the higher the sensitivity of the multimode optical fiber network is, the better the pressure sensing effect is, and the multimode optical fiber network can be used for monitoring slight pressure signals.

An edge banding machine and method for obliquely pressing and bonding the side of a disc-shaped sheet material, relating to the field of edge banding machine technology, includes a main frame; the main frame is equipped with a rotating support arm mechanism and an edge banding mechanism; it also includes an edge banding strip stretching mechanism and an oblique pressing mechanism, the edge banding mechanism further including a feeding pressure roller disposed above the disc-shaped sheet material. By pre-stretching the edge banding strip and setting the oblique pressing mechanism, precise pressing and bonding of the annular oblique side of the disc-shaped sheet material is achieved, thereby solving the problem of poor bonding. This effectively solves the problem of poor edge banding bonding of the annular oblique side of the disc-shaped sheet material, improving edge banding quality and product durability.

The invention provides an airplane sealing structure and a preparation method thereof. The preparation method of the airplane sealing structure comprises the following steps: S1, preparing a carbon fiber skeleton, a modified raw rubber layer and conductive fiber cloth; wherein the preparation raw materials of the modified raw rubber layer comprise a rubber master batch and a conductive material; s2, first glue is arranged on the surface of at least one side of the carbon fiber framework, and second glue is arranged on the surface of at least one side of the conductive fiber cloth; superposing a modified raw rubber layer and conductive fiber cloth on the surface of at least one side of the carbon fiber skeleton to obtain an intermediate; and S3, the intermediate is subjected to vulcanization treatment, and the airplane sealing structure is obtained. The airplane sealing structure prepared by the method not only has the advantages of high structural strength, large deformation, high rebound resilience, good fatigue resistance and the like, but also has certain conductivity.

This utility model relates to the field of sensor technology and discloses a skin touch sensor, including a piezoresistive material mechanism. A stress amplification mechanism is provided at the bottom of the piezoresistive material mechanism to amplify the applied external force. An elastic support mechanism is provided at the top of the piezoresistive material mechanism to uniformly transmit the force to the piezoresistive material mechanism. The stress amplification mechanism includes a first fixed end plate, which is fixedly connected to the bottom of the piezoresistive material mechanism. A bearing is rotatably connected to the middle of the first fixed end plate, and a rotating shaft is rotatably connected to the inner wall of the bearing. In this utility model, when the flexible membrane is pressed by an external force, the long rubber head begins to bend and deform, mechanically amplifying the small external force and transmitting it to the piezoresistive material mechanism. This increases the deformation amplitude of the piezoresistive material, accelerates its deformation, and prevents the material deformation from disappearing due to insufficient external force.

The utility model discloses a kind of turnover gasket mechanisms for aluminium foil plug pad, including processing base, and bottle cap conveying assembly, spacing clamping assembly, aluminium foil storage mechanism and suction loading mechanism installed on processing base.The bottle cap conveying assembly is used to be transported to the bottle cap being processed.Limiting clamping assembly and suction loading mechanism are arranged at the both sides of bottle cap conveying assembly.The utility model is sequentially set by initial positioning assembly and loading suction mechanism on mounting bracket.At the same time, limiting clamping assembly is arranged at the side of loading suction mechanism, so that when the bottle cap being processed is input by conveying belt, the distance between each bottle cap being processed will be adjusted by initial positioning assembly preferentially, then the position of each bottle cap being processed is further limited by limiting clamping assembly, avoid the deviation between the bottle cap being processed and the position of suction element in loading suction mechanism, ensure the accuracy of plugging.

The application aims to provide a connection structure of a blood flow channel and a sleeve with high bonding reliability, which comprises a blood flow channel and a sleeve. The blood flow channel comprises a round tube, and a connecting tube section is extended from the end of the round tube near one side of the sleeve. The outer wall of the connecting tube section is in a shape of a tapered column with a large middle diameter and small diameters on both sides. The maximum outer diameter of the connecting tube section is smaller than the outer diameter of the round tube, and the sleeve is sleeved on the outer periphery of the connecting tube section and is bonded by glue. The outer wall of the connecting tube section is in a shape of a tapered column with a large middle diameter and small diameters on both sides, which increases the contact area of the sleeve and the connecting tube section and increases the pulling force between them. When the sleeve is stretched and deformed, the contact surface is subjected to normal pressure and glue shear force, and the normal pressure increases with the increase of the deformation amount of the sleeve at this position, which provides a guarantee for the reliable connection between the sleeve and the blood flow channel.

This application provides a switch assembly, relating to the field of low-voltage electrical appliance technology. The switch assembly includes a switch body and wiring accessories. The switch body includes a first housing and a first terminal block. The first housing has a first inlet, and the first terminal block is positioned corresponding to the first inlet. The wiring accessories include a second housing and a second terminal block. The side wall of the second housing has a second inlet, through which an external wire extends into the second housing and electrically connects to the second terminal block. The second terminal block is positioned corresponding to the first inlet, and a portion of the second terminal block located outside the second housing can extend into the first housing from the first inlet and elastically abut against the first terminal block. The switch assembly provided by this application improves the assembly efficiency of the switch body and wiring accessories, thereby reducing labor costs during the inspection and maintenance of the switch assembly and lowering the operating cost of the switch assembly.

This invention discloses a low-temperature hybrid bonding method for fabricating Micro-LED display devices based on an asymmetric structure, relating to the field of display device technology. The method, through asymmetric structure design combined with low-temperature hybrid bonding technology, achieves precise alignment and efficient connection between the Micro-LED chip and the substrate or other components. This reduces the significant thermal stress and deformation that can occur in Micro-LED devices during operation due to the different coefficients of thermal expansion and Young's modulus of the materials used in each component.

The application relates to a fiber Fabry-Perot ultrasonic sensor and a manufacturing method thereof. On the basis of a traditional quartz diaphragm, a double-sided groove type quartz diaphragm is prepared by using photoetching and hydrofluoric acid etching technology, the central thickness of the quartz diaphragm is reduced, the quartz diaphragm can generate a larger deformation amount when subjected to ultrasonic waves, the sensor is more sensitive and accurate in capturing partial discharge signals, the sensor sensitivity is improved, meanwhile, the inherent frequency of the diaphragm is improved, the frequency detection range of the sensor is increased, meanwhile, the multiple rectangular grooves arranged on the quartz diaphragm connect the air inside and outside the Fabry-Perot cavity, the measurement error of the sensor caused by the expansion of the gas in the cavity after temperature rise is avoided, the external environment gas can enter the Fabry-Perot cavity, the change of the environment gas can be judged by using the change of the refractive index of different gases, double-parameter sensing is realized, the whole device has the advantages of simple structure, good overall stability, long service period, low manufacturing cost and suitability for practical use.

This invention relates to the field of brake calipers and discloses a spring structure for the return of friction pads in disc brakes. The structure includes a support spring plate arranged laterally between an inner and outer friction pad. Both ends of the support spring plate are fixedly connected to support wings with elastic recovery capability. The support wings are axially oriented and include a central fixing portion and support ears formed on both sides of the fixing portion. The fixing portion and the support spring plate are fixedly connected. The support ears support the inner and outer friction pads respectively. Each support ear includes a first support opening at its end for supporting a back plate on which the friction pads are mounted. The first support opening is formed by a first limiting piece and a second limiting piece, which together form an "L" shape. The first limiting piece is used to fit against the inner surface of the back plate, and the second limiting piece is used to fit against the back side of the caliper. This return structure has advantages such as stable and reliable return, no vibration, and long service life.

The present application relates to hydrophone technical field, it relates to a kind of wideband pressure-resistant hydrophone, including base, cover, piezoelectric sheet, damping liquid and sealing plug, base one end surface is equipped with slot, cover is sealed and connected at slot, piezoelectric sheet is fixed on the outer surface of cover, cavity filled with damping liquid is formed between cover and slot;Liquid injection hole is opened on the outer surface of base, and the inner wall or bottom of slot is equipped with communication hole, and liquid injection hole is communicated with communication hole through communication channel;Damping liquid uses incompressible insulating liquid, damping liquid is filled into cavity through liquid injection hole, communication channel, communication hole, and liquid injection hole is sealed through sealing plug;When liquid pressure acts on piezoelectric sheet, liquid pressure makes piezoelectric sheet produce extrusion deformation towards damping liquid direction, at this time, damping liquid generates a reverse thrust to piezoelectric sheet, the present application has the advantages of simple structure, can guarantee signal band width, high sensitivity and high pressure resistance.