30results about How to "Prevent excessive deformation" patented technology

This invention relates to the field of decorative engineering technology, and discloses a method and system for generating virtual renderings of decorative engineering projects. The method includes: S1, parsing CAD drawings; S2, identifying professional intent; S3, defining and configuring key aesthetic elements; S4, attributing and correcting model parameters; S5, conflict detection; S6, adaptive fusion and correction; S7, material mapping and lighting calculation; and S8, outputting the virtual rendering. This invention solves the problem that the complexity of CAD drawings leads to incomplete or inaccurate geometric structures in 3D models, which in turn affects material mapping and lighting calculation, thus impacting the visual realism of virtual renderings.

This utility model discloses a vehicle energy-absorbing box, comprising: a fixing plate for fixing to the frame of a bus; a cylindrical first upright plate on the upper surface of the fixing plate; a collision plate on the upper part of the first upright plate; multiple arc-shaped holes distributed circumferentially on the outer peripheral wall of the first upright plate, the arc-shaped holes spirally arranged from bottom to top along the outer peripheral wall of the first upright plate; a second upright plate disposed inside the first upright plate, the second upright plate being perpendicular to the fixing plate; and multiple notches spaced vertically on the two opposite side walls of the second upright plate, the openings of the notches facing the inner wall of the second upright plate. This vehicle energy-absorbing box has a simple structure, and the arc-shaped holes on the first upright plate and the notches on the second upright plate guide the first and second upright plates to rotate and deform upon collision, which is beneficial for better absorption of collision energy.

This invention relates to the field of pipeline seepage prevention technology, specifically to a pipeline seepage prevention deformation control support device based on soft soil foundation. The device is installed at the connection point of two adjacent pipelines. The device includes a bearing ring, a support member, and at least n sets of limiting members. Bearing rings are connected to the outer walls of both pipelines near the connection point. Each set of limiting members includes two bearing plates, arranged in an inverted V-shape with alternating front-to-back arrangements. Each bearing plate has a recessed groove containing a friction plate that slides back and forth. When the lower left side of the n bearing plates on the left side of the n sets of limiting members is far from the lower right side of the n bearing plates on the right side, the two friction plates in the same set make relative pressure contact. The support member supports the limiting members. This invention solves the problem that when a support device supports a pipeline, it easily shifts downwards with the settlement of the soft soil foundation, leading to deformation and leakage at the weak connection point of the supported pipeline.

This utility model relates to the field of watch manufacturing technology, specifically to a watch mainspring barrel limiting support structure, comprising: a mainspring barrel, providing support for the device; an adjustment component, including a top cover, a rotating sleeve, and a rotating shaft, wherein the top cover is connected to the top of the mainspring barrel by bolts, the rotating sleeve is rotatably connected to the top cover, and the rotating shaft has a thread in the middle, and the rotating shaft is threadedly connected to the rotating sleeve; and a limiting component, including a rotating disk, a slider, and a limiting plate, wherein the rotating disk is welded to the bottom of the rotating shaft, the slider is slidably connected to the top cover and the rotating disk, and the limiting plate is welded to the slider, and the limiting plate is an arc-shaped plate. This structure, through the cooperation of the adjustment component and the limiting component, can control the position of the limiting plate, thereby effectively limiting the deformation range of the mainspring spring.

This utility model provides a boltless comb-tooth plate multi-directional displacement expansion joint device, relating to the field of bridge construction technology. It includes a bridge body, with a displacement expansion joint assembly installed on the inner side of the bridge body. The displacement expansion joint assembly includes main comb teeth installed on the inner side of the bridge body, and auxiliary comb teeth installed on the left side of the main comb teeth. Anchor plates are provided at the bottom ends of both the main and auxiliary comb teeth, and the main and auxiliary comb teeth mesh with each other. Through the arrangement of the main comb teeth, auxiliary comb teeth, and anchor plates, the entire assembly is formed by integral casting and welding. This allows for only one welding of the anchor plates and one-time overall concrete pouring on-site, resulting in high overall strength and greater convenience and speed in installation. Furthermore, the boltless connection eliminates longitudinal displacement and shearing when vehicles pass longitudinally, ensuring the stability of the device and improving its durability and reliability.

The utility model discloses a composite gradient yielding lining structure for a tunnel, and relates to the technical field of yielding lining structures, the composite gradient yielding lining structure comprises a main supporting soft support, a supporting assembly is arranged below the main supporting soft support, the supporting assembly comprises two fixed inner supporting frames, side fixed supporting frames are arranged on the surfaces of one sides of the two fixed inner supporting frames, and the side fixed supporting frames are arranged on the surfaces of the other sides of the two fixed inner supporting frames. Limiting convex blocks are arranged on the surfaces of one sides of the side fixing supporting frames, a center movable frame is further arranged on the bottom face of the main supporting soft support, connecting shaft bodies are arranged at the two ends of the center movable frame, and the other sides of the two connecting shaft bodies are connected with one ends of fixing inner supporting frames correspondingly; according to the tunnel lining structure, the supporting assemblies are arranged, so that elastic degradation and creep deformation caused by a single yielding layer in a long-term high-pressure environment are avoided, and the long-term stability, the maintenance efficiency and the safety of the tunnel lining structure are remarkably improved.

This invention provides a multi-energy field assisted ultrasonic cutting device and method for CFRP preforms, relating to the fields of intelligent manufacturing and precision machining technology. The invention uses a laser generator to precisely and locally heat the cutting area, softening the resin matrix in the processing area and significantly reducing the material's strength and cutting resistance. Simultaneously, eddy current tubes cool the non-cutting areas of the workpiece, enhancing the stiffness of the resin matrix in these areas and the constraint force on the carbon fibers, effectively suppressing excessive deformation and displacement of the carbon fibers during processing. Ultrasonic vibration further induces brittle fracture of the carbon fibers through high-frequency impact, reducing the tensile effect caused by resin viscosity. Ultimately, this achieves the beneficial effects of high-quality, high-efficiency, and low-damage processing of CFRP preforms.

A combined floating pipe structure suitable for offshore floating photovoltaic platforms is characterized by comprising a core load-bearing pipe, a buoyancy layer, and ribs; the buoyancy layer is disposed outside the core load-bearing pipe and fixed by ribs that are fixedly connected to the core load-bearing pipe. This invention employs a steel-HDPE combined structure or a steel-airbag combined structure, combining high load-bearing capacity, high stability, and high durability.

The utility model discloses a flexible disc of integrated starting gear ring structure relates to flexible disc technical field. The flexible disc of integrated starting gear ring structure, including flexible disc disc body, flexible disc outer end and starting tooth, is set up flexible disc waist hole on flexible disc disc body. The flexible disc of integrated starting gear ring structure, through the machining allowance of flexible disc outer end and remains starting tooth's processing forming, makes starting tooth and flexible disc outer end integrated moulding, cancels the welding of flexible disc outer end and starting gear ring in the prior art and becomes the design, avoids the size of welding scar and cannot standardization, and there is not one, reaches the assembly gear ring of reducing, prevents the occurrence of the incomplete welding, cancels the welding process flow, prevents the failure of welding scar crack, and reduces the cost of sub -parts, and the structure strength of flexible disc disc body is strengthened when the plate enhances the transmission torque, and the flexible disc waist hole symmetric distribution lightens disc body quality, and enough structural strength is reserved simultaneously.

The invention provides a lunar surface carrying equipment self-adaptive contour wheel based on planetary linkage and a control method of the lunar surface carrying equipment self-adaptive contour wheel, and relates to the technical field of lunar surface moving equipment and space vehicle walking mechanisms. The parallel damping mechanisms and the supporting frames are evenly distributed on the outer side of the wheel hub at intervals, the elastic wheel faces are arranged on the outer sides of the parallel damping mechanisms and the supporting frames, and the planet closed linkage mechanisms are symmetrically arranged on the first side face and the second side face of the wheel hub. The constant-amplitude radial displacement of the multiple shape adjusting parts is achieved through the planet closed linkage mechanism, meanwhile, the parallel damping mechanism and the supporting frame are arranged to support the shape adjusting parts, the bearing capacity of the shape adjusting parts is improved, the system redundancy is enhanced, in addition, the limiting fan blades are arranged, the shape adjusting stroke of the gear can be mechanically limited, excessive deformation is prevented, and the service life of the gear is prolonged. The structural stability is improved, and the long-term reliability of the wheel under the complex terrain is improved.

This utility model discloses a multi-layered wear-resistant EVA sole, including a foot instep layer. The sole incorporates a shock-absorbing layer and a wear-resistant layer. The shock-absorbing layer utilizes a honeycomb-shaped EVA material support structure with a biomimetic structure to achieve lightweighting. The elastic deformation of the pore walls disperses foot pressure. A high-density design in the heel enhances support stability and prevents excessive deformation. The first and second air cushions in the forefoot and heel are respectively rectangular to accommodate lateral force from the forefoot and circular to accommodate vertical impact from the heel, improving dynamic shock absorption and absorbing the impact force on the foot during exercise, reducing fatigue and injury. The wear-resistant layer is designed in three sections: forefoot, midfoot, and heel. Appropriate materials can be selected for different areas to extend the overall lifespan. The segmented structure, combined with the fastening buckles and insertion holes, and the matching grooves on both sides of the fastening buckles and insertion holes, enhances the connection between the wear-resistant layers. This allows for individual replacement after localized wear, eliminating the need for complete replacement, effectively reducing usage costs and material waste, and balancing practicality and environmental protection.

This invention relates to a leaf spring elastic support for a balance suspension, comprising an upper mounting base and a lower mounting base, which are longitudinally fitted together. A spring mounting position is provided circumferentially on the upper mounting base, with the spring portion mounted vertically within the mounting position. The upper mounting base is fixed to a pre-tightened frame via an intermediate connecting part to provide vertical vibration damping. The vertical mounting of the spring portion, combined with the special structures of the upper and lower mounting bases, such as conical mounting surfaces and cylindrical support structures, effectively resists horizontal forces and tensile forces, preventing performance degradation or failure of the support under complex stress environments. Simultaneously, this design enhances the structural strength of the support and extends its service life.

The utility model relates to thin film coating technical field especially relates to a kind of thin film coating device and its production line, including workbench;The workbench surface is equipped with drying mechanism, and two fixed plates are symmetrically equipped;Two the fixed plate between fixed loading box, rotationally connected coating roller;Two the fixed plate between rotationally connected support roller also, the support roller is located just below coating roller. The utility model is through setting support roller, the micro adsorption hole on its surface forms smaller uniform adsorption force to film, cooperate with self rotation, avoid support roller rotation, film skidding, while support roller makes film keep slightly stretched state, eliminates wrinkle and prevents excessive deformation, ensure that film is flat and enters coating area at uniform speed;Eliminate gap and bubble, solve the key problem that traditional coating skids and causes coating uneven, realize coating precision and high efficiency.

This utility model relates to the field of respiratory therapy equipment technology, and discloses a mask pad, a nasal mask, and an oronasal mask. The mask pad includes a connecting portion, a pressure support portion, a contact support portion, and a facial contact portion arranged sequentially along the wearing direction. The connecting portion, pressure support portion, contact support portion, and facial contact portion constitute a single-layer pad. The contact support portion and the facial contact portion form a curved structure extending inward and bending towards the connecting portion. The pad is a single-layer membrane pad, which can optimize the support structure to relieve facial pressure, avoid the edge-cutting effect, and improve airflow guidance while ensuring a tight seal, thereby improving wearing comfort. This solves the technical problem of existing mask pads having a contradiction between sealing and comfort, and poor adaptability.

The utility model relates to a fabricated building component connecting structure, and relates to the field of building industrialization. The device comprises a building component and a connecting piece, the connecting piece comprises a connecting disc, a connecting column, a supporting column, a connecting screw rod, an elastic lining, an expansion sliding sleeve, a fixing nut and a tension spring, the periphery of the expansion sliding sleeve is arranged to be in a wedge shape, and the elastic lining is used for fixing the other building component. According to the fabricated building component connecting structure, firstly, one building component is fixed to the connecting disc through the embedded steel bars, then the connecting column is sleeved with the elastic lining, the state of the elastic lining is adjusted and controlled through the expansion sliding sleeve and the fixing nut, and it is ensured that the elastic lining can be tightly attached to the inner wall of the other building component; meanwhile, the tension spring provides auxiliary support when the elastic lining deforms, the stability and adaptability of the whole structure are ensured, and therefore reliable connection of the two building components is achieved.

The application provides a kind of cattle and sheep cutting equipment and its processing method, it is related to meat processing technical field, including processing frame, the side wall of processing frame is equipped with motor, first conveying roller and second conveying roller are rotatably connected between processing frame, the output end of motor is connected with one end of first conveying roller, the outer surface of first conveying roller and second conveying roller is equipped with belt;It also includes self-adapting cutting mechanism, the self-adapting cutting mechanism includes compression ring, the coaxial center in the compression ring is equipped with gear ring, the outer side of gear ring is equipped with gear, the inner side wall of compression ring is equipped with multiple tooth grooves adapted with gear, multiple elastic strips are staggered between the compression ring and gear ring, the side wall of elastic strip is engaged with the outer side of gear ring, the self-adapting cutting mechanism is designed, the adaptive processing of different thickness and soft and hard degree meat block is realized, and flexible adaptation of diverse meat block characteristics is realized.

The application relates to the technical field of connectors, in particular to a high-density wire spring jack connector which comprises an upper fixed seat body, a lower fixed seat body, a plug rod main body, a heat conduction device and a positioning device, spacers are arranged on the upper two sides of the upper fixed seat body, spacers are arranged on the lower two sides of the lower fixed seat body, the upper fixed seat body and the lower fixed seat body are both provided with the positioning device, the upper fixed seat body and the lower fixed seat body are both provided with the heat conduction device, the upper connecting main body is arranged in the wire spring main body, and the wire spring main body is arranged in the lower connecting main body. In the application, the connecting pipe, the connecting ring, the connecting ring, the electric metal sheet, the electric metal ring and the supporting plate are arranged, the plug density of the connector is higher, the connector is convenient to apply to a small-size mainboard, the electric metal sheet is supported under the action of the connecting ring and the supporting plate, excessive deformation of the electric metal sheet is prevented, and the installation of the crown spring main body is facilitated.

The utility model discloses a locking connector relates to locking connector technical field, including outer conductor, dielectric medium and inner conductor, the bottom of outer conductor is equipped with the close mouth shape locking structure, the inner wall of close mouth shape locking structure is by at least two different taper face of inclination continuous transition composition. The outer conductor top extends four round pins, and the stress release groove is equipped with in the pin root, and four pins are centrally symmetric distribution. The utility model discloses simple structure, through setting up multi -end taper face close mouth structure, namely through 20 shallow taper face and 40 steep taper face combination design, avoid excessive deformation while guaranteeing locking force. Optimize pin layout, adopt 2.9mm 3.1mm equidistance distribution's round pin, cooperate unique stress release groove, reduce stress, enhance inner conductor contact ability and signal transmission capacity.

The application relates to the technical field of space optical engineering, and discloses a temperature adjustment method and device, computer equipment and a readable storage medium, wherein the method comprises the following steps: acquiring a temperature control temperature and temperature adjustment information of an optical mounting bottom plate; taking the temperature control temperature and the temperature adjustment information as constraints, determining a target temperature interval of each region; for one of the regions, if an actual temperature of the region is not located in the corresponding target temperature interval, adjusting the actual temperature of the region to the corresponding target temperature interval; in the temperature adjustment process, detecting real-time deformation of the optical mounting bottom plate, and adjusting temperature adjustment logic of at least part of the regions based on the real-time deformation; after the temperature of each region is adjusted to the corresponding target temperature interval, if a center temperature of the optical mounting bottom plate does not reach the temperature control temperature, the temperature of at least part of the regions is continuously adjusted, so that the center temperature reaches the temperature control temperature. The application can reduce the deformation of the optical mounting bottom plate.

The utility model relates to the technical field of air shock absorber oil seals, and discloses a thickened short-height outer lip oil seal which comprises a metal framework and an elastic sealing body bonded to the metal framework in a vulcanization mode. An outer lip and an inner lip are arranged on the elastic sealing body, the outer lip is used for sealing gas, and the inner lip is used for sealing oil; the height H and the thickness T of the outer lip satisfy 0.3 < = H / T < = 0.8; according to the scheme, through the thickened short lip design that the height H and the thickness T of the outer lip are limited to meet 0.3 < = H / T < = 0.8, it is ensured that the outer lip has a new structural state, that is, the height of the outer lip is shortened, the thickness of the outer lip is increased, it is ensured that the outer lip has the high pressure bearing capacity and has the small contact area with a piston rod, the deformation resistance of an elastic sealing body after the outer lip of the oil seal is pressed is improved, and the service life of the oil seal is prolonged. Excessive deformation can be prevented, and abrasion and heating of the outer lip can be effectively reduced.

The utility model relates to the technical field of shoes, in particular to a shoe sole with a bearing structure, which comprises a shoe outsole and a shoe midsole compounded on the shoe outsole, an embedding groove is arranged on the side surface of the shoe midsole, the bearing structure is fixedly embedded in the embedding groove, the bearing structure comprises a bearing piece, and the bearing piece is arranged on the shoe outsole. The hardness of the bearing piece is larger than that of the shoe insole, the bearing piece comprises a bearing section and a springback section which are integrally connected with each other, and a first through hole and a second through hole are formed in the springback section. By arranging the bearing section and the shoe insole for reinforced bearing, excessive deformation when the heel part touches the ground first is prevented, the supporting performance is relatively good, pressure is applied to the springback section in the transition process that the heel part touches the ground and the half sole part touches the ground, the springback section is springback to a certain pushing force in the process that the half sole part is separated from the ground, assistance is provided for the half sole part to be separated from the ground, and the service life of the shoe is prolonged. And the energy regression efficiency is relatively high.

The utility model relates to a kind of V-shaped sealing ring structure with pressure balance groove, including sealing ring assembly, sealing ring assembly includes outer ring, inner ring and fixed screw, the outer wall of inner ring is provided with square protrusion one, and the inner wall of outer ring is provided with square protrusion two, square protrusion one and square protrusion two are alternately distributed, and square protrusion one and square protrusion two form pressure balance channel one between, the outer wall of inner ring is provided with triangular protrusion one.The fluid of the sealing ring high-pressure side can be gradually weakened by pressure balance channel one and pressure balance channel two, realize pressure compensation, the pressure difference on both sides of sealing ring can be balanced, thereby the excessive deformation of sealing ring caused by the high pressure of sealing ring single side can be avoided, leading to sealing ring sealing failure, short service life problem, the service life of sealing ring can be extended, and pressure balance channel one and pressure balance channel two are used in cooperation, and pressure balance effect is better.

The present invention provides a reclining device for a vehicle seat, comprising: a gear plate in which an outer gear provided on an outer diameter portion meshes with an inner gear provided on an inner diameter portion of a flange and which has a receiving portion in the inner diameter portion; and a first cam and a second cam assembled between a flange protrusion protruding from a center of the flange and a bearing inserted into the accommodating portion, an outer diameter portion of the first cam and the second cam including a first outer diameter portion and a second outer diameter portion extending from the first outer diameter portion, the first outer diameter portion is in contact with an inner diameter portion of the bearing, and the second outer diameter portion is spaced apart from and not in contact with an inner diameter portion of the gear plate.

The utility model relates to the technical field of vacuum welding furnaces, and discloses a vacuumizing device of a vacuum welding furnace, which comprises a vacuum pump and a machine body connecting pipe, the air inlet end of the vacuum pump is communicated with a pump body connecting pipe, and the machine body connecting pipe is communicated with the pump body connecting pipe through a buffer connector. The end, away from the buffer connector, of the machine body connecting pipe communicates with the air outlet end of the vacuum welding machine body, the elastic silica gel ring and the fixing cylinder are connected together through the outer mounting ring, and then the pump body connecting pipe and the machine body connecting pipe are connected together; therefore, the sufficient sealing effect can be achieved, vibration generated during working of the vacuum pump is transmitted to the elastic silica gel ring and the inner mounting ring from the pump body connecting pipe and then transmitted to the elastic metal strip, the vibration is buffered and absorbed through deformation of the elastic silica gel ring and the elastic metal strip, and then the vibration is prevented from being transmitted to the machine body connecting pipe.

The utility model discloses a kind of anti-explosion reinforced sealing rings, including center column and the ring sleeve being set to the center column periphery, the ring sleeve is also provided with annular array on the center column periphery several anti-explosion rings and an anti-explosion groove, the anti-explosion ring is all provided with annular reinforcing rib around the center column, the ring sleeve is also provided with annular groove around the center column, the section is V-shaped, the center hole is set to the center column and is penetrated, the center hole is close to the anti-explosion groove one end and is provided with limit groove, by increasing three annular reinforcing rib, effectively support the anti-explosion groove plane when battery is sharply increased due to abnormal use internal pressure and high temperature is generated inside, improve the anti-explosion performance of sealing ring, avoid nylon material excessive deformation under internal pressure after heating, anti-explosion groove cannot normally open pressure relief, battery explosion and other risks appear.

The utility model discloses a self-sealing civil defense gate valve in the field of civil defense gate valves, which comprises a valve body, a gate and a hand wheel mechanism used for driving the gate to open or close, the valve body comprises a valve casing, a front pipeline and a rear pipeline, and a channel for the gate to move is arranged in the valve casing. The front pipeline and the rear pipeline are oppositely arranged at the bottom of the valve shell and communicate with the channel, connecting flanges are arranged at the outward ends of the front pipeline and the rear pipeline correspondingly, annular bosses are arranged at the inward ends of the front pipeline and the rear pipeline correspondingly, stepped grooves are formed in the end faces of the annular bosses, and the two oppositely-arranged stepped grooves form a first sealing groove capable of containing the edge of the inserting plate. An annular groove is formed in the side, facing the inserting plate, of the annular boss, an I-shaped sealing gasket is arranged in the annular groove, the top of the inserting plate is fixedly connected with the hand wheel mechanism and detachably connected with the valve shell through a sealing seat, and a second sealing groove is formed in the position, corresponding to the sealing seat, of the top of the valve shell. The pressure-resistant shock-wave-resistant valve has good pressure-resistant capacity and shock-wave-resistant capacity.

This invention provides an online adjustment method and system for hammering force during additive composite manufacturing, relating to the field of metal material additive manufacturing technology. The method includes: acquiring process parameters for the current layer and initiating deposition; during deposition, acquiring and preprocessing the temperature data of the current deposited layer in real time to obtain the average temperature of the target hammering area in the current deposited layer; after deposition, acquiring point cloud data and extracting the height of the target hammering area; acquiring the material yield strength at the average temperature, calculating the hammering force and hammering voltage required for the initial hammering; performing the initial hammering based on the hammering voltage, acquiring the point cloud data after hammering, and extracting the height after hammering; then calculating the actual height deformation to evaluate the current hammering effect, and then correcting or ending the current deposited layer based on the evaluation results; repeating the above operations until all deposited layers are processed. This invention provides an efficient and reliable auxiliary additive manufacturing hammering forming control scheme.

The present application relates to the technical field of carton product quality detection, and particularly relates to a method and system for determining the end of a crush test of paper-based folding material. The method synchronously collects total pressure, displacement, and four-corner contact or height signals of the carton, updates the maximum force in real time, and calculates the drop ratio, fixed pressure difference, slope, and post-peak holding time. The four-corner consistency threshold is used as a precondition for the end criterion, and the end trigger is shielded when the four corners are not level. The drop ratio threshold, holding time, and slope threshold are adaptively adjusted according to the initial corner difference obtained in the small load stage, and the maximum force is output in the displacement bottom output report. The method can reduce early stopping and peak underestimation caused by local crushing of misaligned corner cartons, and improve test accuracy, repeatability, and safety.

The invention relates to a contact assembly and a relay. The contact assembly comprises a static contact unit, the static contact unit comprises a static contact piece and a static magnetizer, the static contact piece is provided with a static contact, and the static magnetizer is connected to the static contact piece; the movable contact unit comprises a movable contact piece and a movable magnetizer, the movable contact piece is provided with a movable contact, the movable contact can be in contact conduction with the static contact, the movable magnetizer is connected to the movable contact piece, and the movable magnetizer and the static magnetizer are oppositely arranged; and the isolation piece is arranged between the movable magnetizer and the static magnetizer, and the isolation piece is configured to be used for blocking the contact between the movable magnetizer and the static magnetizer. According to the invention, the separator is arranged between the moving magnetizer and the static magnetizer, so that spacing limitation between the moving magnetizer and the static magnetizer is realized, buffering is provided for deformation of the moving contact, excessive deformation is avoided, stability of a magnetic gap and a magnetic circuit is ensured, and reliable conduction between a magnetic attraction force and a contact is maintained; and the working reliability and the service life of the relay are improved.