30results about How to "Comprehensive support" patented technology

The utility model discloses adjustable sports underwear which comprises a vest type underwear body, a zipper is arranged in the center of the front face of the underwear body, two cup bodies are arranged on the front face of the underwear body corresponding to the breasts of a human body, and shoulder straps are arranged on the underwear body corresponding to the shoulders of the human body. A back fixing belt and a back adjusting belt are arranged on the back face of the underwear body, a surface layer and an inner layer are arranged on the front face of the underwear body, the positions, corresponding to the cup bodies, of the surface layer of the underwear body are provided with arched parts formed through stamping, the arched radian of each arched part is matched with the arched degree of each cup body, and each cup body is embedded in the corresponding arched part. The upper portion of the back fixing strap is fixedly connected with the shoulder straps, the back adjusting strap comprises an upper adjusting strap and a lower adjusting strap, and vertically-arranged adjustable row buckles are arranged between the upper adjusting strap and the lower adjusting strap. The adjustable sports underwear is convenient to put on and take off, adjustable in tightness and capable of protecting the breasts and not hindering sports.

This invention proposes a mold repair tool and its usage method, belonging to the field of mold technology. It solves the problem in existing technologies that cannot provide comprehensive and reliable support for the iron plate at the repair location during repair. A tool body is installed at the repair area of ​​the mold. The tool body includes a positioning plate and support members. A power plug is installed on the rear side of the positioning plate, and an electrorheological fluid electrically connected to the power plug is installed inside the positioning plate. The outer end face of the positioning plate contacts the iron plate at the repair area. Support members are symmetrically installed on both sides of the inner end face of the positioning plate, and the other end of the support members is connected to the inner wall of the mold. It is mainly used for mold repair.

The utility model relates to a body position pad, in particular to a multifunctional semi-reclining body position pad. Comprising an upper body bottom pad, a sacrococcygeal pad and an adduction pad, and the upper body bottom pad is wedge-shaped and used for supporting the upper body of a patient by a certain angle; the sacrococcygeal pad is arranged at the lower part of the upper body bottom pad and is used for supporting the sacrococcygeal part of the patient to prevent the patient from sliding down due to gravity; the first end of the adduction pad is connected to the sacrococcygeal pad, the second end of the adduction pad is far away from the sacrococcygeal pad, and the adduction pad is used for supporting a patient. Through the wedge-shaped upper body bottom pad, the upper body of a patient can be effectively supported to a proper angle, body pressure is relieved, meanwhile, the sacrococcyx pad and the adduction pad are arranged to prevent the patient from sliding down due to gravity, and stable support is provided.

The present invention relates to a piston rod straightening and cutting device, and relates to the technical field of metal rod processing, which comprises a bottom plate, the upper end surface of the bottom plate is provided with a straightening device and a cutting device for cutting the piston rod, the straightening device and the cutting device are located at one end of the bottom plate, and the other end of the bottom plate is provided with a pushing cylinder, the piston rod of the pushing cylinder is connected with a sliding plate, the sliding plate is slidably connected to the upper end surface of the bottom plate, a lifting cylinder is vertically provided on the sliding plate, the piston rod of the lifting cylinder is fixedly connected with a connecting block, two lifting plates are fixedly connected to the connecting block, the lifting plates are extended along the length direction of the bottom plate, the upper end surface of the bottom plate is provided with a plurality of rows of support columns for supporting the piston rod, the support columns and the lifting plates are staggered, and the cutting part of the cutting device is provided with a connecting ring for providing support for the piston rod. The present invention effectively avoids bending or twisting of the piston rod by adding a connecting ring, which is conducive to improving the assembly accuracy and use performance of the piston rod.

The present invention relates to the technical field of plate processing, and in particular to a plate opening device and method. It includes an installation and adjustment frame, a clamping assembly, a support and dustproof assembly, and a hole opening assembly; the clamping assembly is located in the middle of the installation and adjustment frame to clamp a section of plate; the support and dustproof assembly is located on the lower adjustment end to support and prevent dust at three points from the bottom of the plate; the hole opening assembly is located on the upper adjustment end to open holes at three points from the top of the plate. The present invention sets a support and dustproof assembly to cooperate with the hole opening assembly, and the support and dustproof angles are adjusted by rotating the support and dustproof parts on both sides. The cover body fits the outer periphery of the hole opening position to achieve comprehensive support, and the side panels on both sides are rotated to adjust the hole opening angle, so that the cover body corresponds to the hole opening part one by one. On the one hand, targeted support is achieved to improve the stability of the hole opening, accelerate cooling and reduce the possibility of plate deformation. On the other hand, smoke and debris in the hole opening process are adsorbed to reduce environmental pollution.

The present invention discloses a SIM card bill intelligent management and control method based on power business, including the following steps: S1, according to the power user's identity authentication protocol, the initial bill information of the SIM card bound to the power user's identity information is obtained from the network interface of the telecommunications operator, and the bill information is imported into the business bill database; S2, the bill standard format generation module obtains the bill information from the business bill database to obtain the standard bill information in a unified format; S3, the bill verification module removes the abnormal information of the standard bill to obtain the SIM card valid information list; S4, the SIM card valid information list is displayed through the bill display module. By unifying the data format and eliminating abnormal information in the import, calculation and export links of the bill data, the verification efficiency of the SIM card bill is greatly improved, and the user satisfaction is further improved.

This utility model belongs to the technical field of pallet box technology, specifically disclosing a reinforcing rib structure for the bottom support of a high-load-bearing pallet box. It includes a bottom support frame, with legs fixedly connected to the bottom of the frame. Several fixing reinforcing ribs are fixedly connected to the inner side of the frame. A sliding groove is provided on one side of the frame, and a sliding plate is slidably connected within the groove. Several displacement reinforcing ribs are fixedly connected to the side of the sliding plate near the fixing reinforcing ribs. This reinforcing rib structure for the bottom support of the high-load-bearing pallet box allows for adjustment of the position of the displacement reinforcing ribs, enabling flexible adjustment of the spacing between the reinforcing ribs according to the actual weight distribution of the goods. This allows heavier areas to receive more support, while lighter areas can receive less support, thus optimizing the overall load-bearing distribution of the pallet box. This optimization significantly improves the overall load-bearing capacity of the pallet box and avoids structural damage or deformation caused by excessive local load.

The present invention discloses an air respirator bracket and a fire truck seat. The air respirator bracket includes a structural frame, which includes a longitudinal support, an upper fixed plate, a lower fixed plate, a tray, and a rotating shaft. The longitudinal support, the upper fixed plate, and the lower fixed plate form a structural frame. The lower end of the longitudinal support is connected to a tray for lifting the air respirator. The bottom of the tray is connected to a rotating shaft in the vertical direction for rotational connection with a bearing seat of a base, so that the air respirator bracket can rotate with the rotating shaft as the central axis. The two functions of respirator storage and seat back are independent, and the function switching is achieved through a rotating structure to reduce the conflict between the two functions, solve the problems of small back support area of ​​existing fire truck seats, and the waist support cannot provide support for the waist, thereby improving the riding comfort of the fire truck seat. At the same time, the problem of the headrest affecting the placement and removal of the air respirator in the existing solution is solved, and the convenience of taking and placing the air respirator is improved.

The utility model discloses a light-weight high-strength steel member which comprises an H-shaped steel structural column and an H-shaped steel structural beam, a positioning connecting assembly is arranged on a side wing of the H-shaped steel structural column, one end of the H-shaped steel structural beam is inserted into the positioning connecting assembly, an assembling connecting assembly is arranged on the positioning connecting assembly, and the assembling connecting assembly is connected with the H-shaped steel structural beam. The utility model relates to the technical field of steel structures, the H-shaped steel structural beam and the H-shaped steel structural column are connected in an inserted mode through the positioning connecting assembly, the assembling connecting assembly is arranged on the positioning connecting assembly, and the H-shaped steel structural beam is assembled and fixed through the assembling connecting assembly. Therefore, the H-shaped steel structural column and the H-shaped steel structural beam are rapidly assembled and connected, the structure is stable, the assembly efficiency is high, disassembly is convenient, all parts can be repeatedly used, and the assembly operation difficulty and the assembly cost are greatly reduced.

The invention provides a protective conveying device for injection molding parts, and relates to the technical field of injection molding part conveying equipment.The protective conveying device comprises a conveying mounting part, and four conveying control parts are mounted on the conveying mounting part; the four conveying control pieces are each provided with a rotation control piece. The four rotation control pieces are used for controlling injection molding pieces in a rotation mode. Positioning adsorption pieces are respectively mounted on the four rotation control pieces; the positioning adsorption part is used for detecting twisting of the injection molding part; the four rotation control pieces are each provided with three circles of supporting adapters, magnetic attraction positioning pieces can conveniently position the height of a descending shaft, the three circles of descending shafts can be used for being matched with the outer surface profile of an injection molding piece and supporting the injection molding piece, the subsequent machining stability is improved, meanwhile, the injection molding piece is comprehensively supported, and the machining efficiency is improved. The problems that an existing protective conveying device for the injection-molded parts is not convenient to automatically adapt to the shapes and the outlines of the injection-molded parts, the injection-molded parts are directly placed in a traditional conveying structure, and corners of the injection-molded parts are prone to compression deformation are solved.

The present disclosure provides a carrier device for supporting a silicon wafer in a horizontal direction so that a first surface of the silicon wafer is polished from above, the carrier device comprising: a housing; a soft portion at least partially surrounded by the housing, the soft portion being arranged to be in contact with a second surface of the silicon wafer through an upper surface thereof so as to deform according to a shape of the second surface when the silicon wafer is polished, wherein the first surface is opposite to the second surface. The carrier device can provide uniform support for different silicon wafers during polishing, effectively avoid damage caused by stress concentration, and make the polishing amount of different areas of the silicon wafer meet the expectation, thereby obtaining a silicon wafer with reduced bending and warping and improved surface quality.

The invention relates to the technical field of power line three-dimensional modeling, and discloses a three-dimensional reconstruction method and device for missing power line point cloud data, and the method comprises the steps: collecting power line three-dimensional point cloud to obtain original data, carrying out voxelization sampling and ground point recognition, obtaining power line target points, carrying out the fitting, generating a basic three-dimensional catenary model, and carrying out the interior point supplementation; obtaining an initial power line three-dimensional model; repeatedly calculating a set number of times to obtain a plurality of initial power line three-dimensional models, and selecting the power line model with the maximum number of inner points as a target power line model; calculating a feature vector by taking all inner points as a whole, and if a preset threshold requirement is met, determining that the model is an effective power line model; and calculating a cross section model of the power line, and integrating the cross section model with the target power line model to obtain a three-dimensional catenary model. According to the method, accurate segmentation and reconstruction of the power line point cloud data are realized, the power line extraction precision and efficiency can be greatly improved, especially the extraction and reconstruction precision of the broken power line point cloud data is improved, and the modeling authenticity is improved.

The application discloses an optical instrument performance detection system and method based on multi-source data fusion analysis, and relates to the technical field of optical instrument detection, to solve the technical problem that in the prior art, the signal characteristics of environmental light interference and product defects are prone to confusion, and specifically, through the cooperative work of an instrument self-calibration module, a calibration evaluation unit, an environmental light interference detection unit and a health state prediction unit, a full-process intelligent detection system is constructed, the application of multi-source data fusion technology breaks through the limitation of traditional single data detection, multi-modal feature matching, time series data analysis, grid fine monitoring and other technologies improve the accuracy and comprehensiveness of detection, accurate differentiation of environmental light interference and product defects reduces misjudgment and missed judgment, and the proactive maintenance of the hardware health state reduces downtime loss.

The present application belongs to the technical field of geological engineering monitoring, and discloses a rock-soil mass deformation monitoring device based on the combination of fiber grating and Brillouin reflection, which comprises a inclinometer tube, a grating demodulator, a Brillouin optical time domain reflectometer and a data processing unit, the outer surface of the inclinometer tube is provided with a plurality of first armored grating strings and a plurality of second armored grating strings; one end of the first armored grating string and the second armored grating string is connected with the grating demodulator, the outer surface of the inclinometer tube is further fixed with an armored optical cable arranged along the length direction, one end of the armored optical cable is connected with the Brillouin optical time domain reflectometer; the output end of the grating demodulator and the Brillouin optical time domain reflectometer is connected with the data processing unit, the data processing unit is used for fusing the original grating strain data of the grating demodulator and the measurement data of the Brillouin optical time domain reflectometer, and obtaining the rock-soil mass deformation data by demodulation. The present application can better monitor the internal deformation and displacement of the slope, and improve the judgment ability of the deformation trend of the slope.

The present invention relates to an aluminum profile extrusion forming traction device with a supporting function, comprising a traction device body, a support plate fixedly installed inside the traction device body, a positioning plate slidably connected to the right side of the top of the support plate, a circular plug-in slot provided on the left side of the top of the positioning plate, and circular grooves provided on the front and rear sides of the inner wall of the circular plug-in slot. The invention solves the problem of poor existing supporting effect by providing a traction device body, a support plate, a positioning plate, a circular plug-in slot, a circular groove, a circular cavity, a bar through hole, a threaded through hole, an extrusion device, a threaded rod, a rotating handle, a connecting block, an extrusion block, a circular plug-in block, a circular placement slot, a positioning mechanism, an extrusion spring, a circular stopper, a circular positioning block, a rotating rod, a threaded matching hole, a limit slot and a limit block. The aluminum profile extrusion forming traction device with a supporting function has the advantage of better supporting effect.

The utility model discloses a jig for fixing a PCB (Printed Circuit Board) product in controlled deep processing, and the jig comprises a processing table of which the central position is provided with an accommodating groove and operation ports located at the two sides of the accommodating groove; the top block is arranged in the accommodating groove, and the top block is used for supporting the PCB; the rapid covering assembly comprises a control pedal located at the bottom of the machining table and two covering structures, the two covering structures are arranged on the two sides of the top of the control pedal in a mirror image mode and arranged in the operation opening, each covering structure comprises a covering plate, a limiting plate, a pull rope and a limiting spring, and the covering plates are located in the operation opening; the limiting plate is fixedly installed on one side of the inner wall of the operation opening, and a through hole is formed in the center of the limiting plate. According to the utility model, through the use of the top block and the rapid covering assembly, the PCB can be rapidly fixed and turned over, the water level processing efficiency of the PCB can be improved, the PCB which is being processed can be more comprehensively supported and covered, and the PCB is prevented from being suspended and damaged.

This invention relates to the field of mine roadway and traffic tunnel technology. To accurately identify the lithology and weathering degree of rocks within boreholes in real time, it provides a method and device for identifying lithology and weathering degree based on drill rod vibration signals. Based on a six-component vibration sensing architecture with an octahedral structure, it achieves six-component full-dimensional sensing of drill bit rock-breaking vibration acceleration signals. A triple filtering method is used to remove interference, and the vibration frequency is corrected by combining the drill rod length to eliminate the interference of drill rod length changes on the vibration frequency during drilling. The corrected signal is processed by frame segmentation, extracting time-frequency features and time-domain features respectively. Finally, a borehole lithology and weathering degree identification model composed of CNN branches and MLP branches is constructed. The CNN branch automatically learns the local correlation patterns of time-frequency features, and the MLP branch automatically combines the nonlinear relationships in the time-domain features, thereby achieving efficient and accurate identification of borehole lithology and weathering degree.

The utility model discloses a folding roof support mechanism of electric vehicle shelter device and electric vehicle shelter device, wherein the folding roof support mechanism, including: roof support, roof support includes: first folding connecting disc and second folding connecting disc, is provided with a plurality of first folding support bone on first folding connecting disc, is provided with a plurality of second folding support bone on second folding connecting disc, the end of each second folding support bone is articulated with first folding support bone, still including support bone, and support bone includes first support bone and second support bone, first support bone and second support bone articulate, still including vertical support frame, and the frame bottom of vertical support frame is detachably connected with electric vehicle, is provided with sliding mechanism on vertical support frame, and sliding mechanism slides on vertical support frame, makes first support bone and second support bone stretch or contract, so that first folding connecting disc and second folding connecting disc are close or far away from each other. The utility model has the advantages of simple structure and convenient user use.

The utility model discloses a tree protection frame for landscaping engineering, which belongs to the technical field of tree protection and comprises a first fixed semicircular sleeve, a second fixed semicircular sleeve is hinged to the outer surface of the first fixed semicircular sleeve, and a righting mechanism is arranged above the first fixed semicircular sleeve. Through cooperation of a square sliding rod, a third fixing semicircular sleeve, a U-shaped piece, a rotating rod, a winding belt, a first hook-and-loop fastener and a second hook-and-loop fastener, extra righting support can be provided for a tree, the position of the third fixing semicircular sleeve can be conveniently adjusted according to the height of the tree, meanwhile, the winding belt can freely rotate through the rotating rod and is conveniently wound on the tree, and the tree righting device is convenient to use. The first hook-and-loop fasteners and the second hook-and-loop fasteners are tightly adhered together, stable supporting force is provided for the trees, the trees are prevented from inclining or being damaged due to wind direction changes, the flexibility and practicability of the protection frame are improved, and growth of the trees is effectively protected.

The invention discloses a photovoltaic power station operation and maintenance strategy optimization device and method. The device comprises a bearing plate, an omnidirectional antenna, a convergence side diagnosis box, a collection box, a monitoring probe and a mounting frame. The method comprises the steps of S1, component state collection; s2, confluence side edge pretreatment; s3, carrying out two-dimensional strategy operation; s4, performing energy storage cooperative control; s5, closed-loop self-optimization is carried out; s6, operation and maintenance auxiliary guarantee; high-precision optical sensing and temperature sensing units are integrated through the acquisition module, full-dimension data such as output power, voltage, current, backboard temperature, surface shielding ratio and hidden crack state of the assembly can be synchronously acquired, the acquisition frequency reaches the second level, the temperature measurement error is smaller than or equal to 0.8 DEG C, hidden crack defects with the minimum width can be recognized, and the detection accuracy is improved. And meanwhile, a large-capacity local cache unit is arranged in the acquisition module, so that monitoring data can be continuously stored for 72 hours in an off-network state.

The utility model discloses a wireless charging's electric screwdriver, including the limit seat, the lower surface fixed connection of limit seat has the charging base, and the outer surface of charging base is provided with the power source interface, and the inside of limit seat is equipped with the shell, still includes the charging fixed establishment, charging fixed establishment: including the card slot, the limit block, the card block and the spring, the card slot all sets up in the outer surface of shell, and the inside sliding joint of limit seat has the card block of symmetrical distribution, and the outer surface fixed connection of card block all has the limit block of symmetrical distribution, and the spring is all fixedly connected between the end of card block away from shell and the inner wall of limit seat, and card block all with the card slot of adjacent side abutment. The wireless charging's electric screwdriver, through charging fixed establishment makes wireless charging's electric screwdriver when carrying out wireless charging can have more support, makes electric screwdriver when wireless charging not easy to skew collapse, improves the security of electric screwdriver when wireless charging.

The utility model relates to the technical field of electronic connectors, and provides an electronic connector with an anti-fracture effect, which comprises a main body and a connecting mechanism. The protective cover and the sealing ring are arranged, the protective cover is installed on the sealing ring, when the protective cover is not used, external moisture can be isolated from the pins, the pins are prevented from being affected with damp and oxidized, the quality of the pins is improved, the latex protective pad is arranged, good hygroscopicity and breathability are achieved, moisture can be absorbed, dryness can be kept, and the pins are prevented from being affected with damp and oxidized; by arranging the clamping base, the clamping plate, the spring and the clamping block, the clamping plate is pressed, the spring is compressed, the clamping block is clamped by the clamping plate, and the stability of the protective cover is improved; according to the utility model, the pin sleeve is arranged, the pin sleeve provides more support for the connection part of the bottom of the pin, the toughness of the pin is improved, the fracture is prevented, the silica gel protection ring is arranged, the fracture of the connection part of the lead and the main body during repeated bending can be prevented, and the communication quality is improved.

The utility model discloses a forming mesh cage for a super-forming paper machine, which comprises a mesh cage body, a binding rod is arranged in the mesh cage body, a plurality of abutting sleeves are sleeved at one end of the binding rod, reinforcing rings are arranged at two ends of the mesh cage body, and a plurality of limiting rings are sleeved at the other end of the binding rod. Limiting bolts are arranged on the two sides of the multiple abutting sleeves correspondingly, multiple arc-shaped frames are arranged on the outer walls of the multiple abutting sleeves correspondingly, the abutting sleeves, wear-resisting layers, first compression-resisting layers, high-temperature-resisting layers, limiting rings and reinforcing strips are arranged, the limiting rings are fixed to one sides of the abutting sleeves correspondingly, and every two corresponding abutting rings are supported; the multiple abutting rings are installed in a disconnected mode, the external force resistance and the abrasion resistance of the mesh cage body are enhanced, the high-temperature-resistant layer is made of boron carbide materials and can tolerate high temperature, therefore, the application range of the mesh cage body is widened, and the firmness between every two adjacent limiting rings is further enhanced due to the fact that the reinforcing strips are arranged at equal intervals.

The utility model relates to the technical field of ultrafiltration membrane separation, in particular to an ultrafiltration membrane separation device for water treatment, which comprises a bottom ring, a support cylinder is fixedly connected to the top surface of the bottom ring, an ultrafiltration membrane body is arranged on the outer surface of the support cylinder, a fastening ring is arranged on the upper surface of the bottom ring, an adaptive groove is arranged in the fastening ring, and the bottom ring is fixedly connected with the support cylinder. The adaptive groove is matched with the ultrafiltration membrane body; and the first stabilizing ring is installed on the inner side wall of the supporting cylinder, and the lower surface of the first stabilizing ring is fixedly connected with a supporting plate. The ultrafiltration membrane body is connected through the supporting plate, the supporting cylinder is prevented from contracting inwards through the design of the inclined plate, the stabilizing sleeve and the fixing block, the overall supporting stability of the ultrafiltration membrane body is improved, the overall stability is good, meanwhile, the ultrafiltration membrane body and the supporting cylinder are integrally installed in the adaptive groove, and the overall stability is good. The inner wall of the fastening ring is attached to the outer surface of the ultrafiltration membrane body.

The invention provides a curing device for a printed circuit board after surface mounting, and particularly relates to the technical field of printed circuit board processing equipment.The curing device comprises a T-shaped machine body, a radiation curing unit is fixed in a curing box body, the radiation curing unit comprises an inner suspension body, a top cover, a lampshade body and a UV lamp body, and the UV lamp body is installed in the lampshade body; according to the printed circuit board surface-mounted post-curing device, the dynamic thermal field adjusting mechanism is independently arranged below each lampshade body, and the dynamic thermal field adjusting mechanisms are matched with the temperature detection parts corresponding to the dynamic thermal field adjusting mechanisms and the dynamic driving assemblies installed on the outer walls of the two sides of the bearing frame body; the electronic control linkage of the three parts is realized, and the adjusting mechanism performs the angle adjusting action according to the temperature measuring signal, so that the technical defects that the curing temperature of the PCB surface is not uniform and the dynamic adjustment is lacked from the radiation field level in the traditional curing device after the printed circuit board is mounted are solved, the active dynamic regulation and control of the PCB curing thermal field are realized, and the production efficiency is improved. The overall uniformity of a PCB curing thermal field is guaranteed, and the curing quality of the PCB after surface mounting is improved.

This utility model relates to the field of automotive manufacturing technology, and more specifically, to a flexible positioning gripper and its servo switching platform. The gripper includes a handling robot, a gripper quick switching device, and a gripping device. The gripping device includes a main frame and a three-axis positioning mechanism mounted on the main frame. The output end of the three-axis positioning mechanism is equipped with a positioning locking component. The three-axis positioning mechanism drives the positioning locking component to move along a first direction, a second direction perpendicular to the first direction, and a third direction perpendicular to both the first and second directions. The gripper quick switching device includes a first connecting component connected to the output end of the handling robot and a second connecting component connected to the main frame. The first and second connecting components are detachably connected. This flexible positioning gripper achieves three-axis movement by driving the positioning locking component through the three-axis positioning device, thereby achieving flexible transformation to adapt to gripping different vehicle body models, reducing gripper switching time, and avoiding the problem of excessive space occupation by the gripper.

The invention relates to the technical field of electric sofas, in particular to an electric leather sofa based on ergonomics, which comprises a waist support mechanism and a soft support mechanism. The radian and the height of the waist supporting mechanism are correspondingly adjusted through the second electric telescopic rod and the first electric telescopic rod, and the waist supporting mechanism can be adjusted to be in various supporting shapes matched with the long lumbar vertebra, the short lumbar vertebra, the large body shape, the small body shape, the lumbar vertebra diseases and the like according to the physiological characteristics of the lumbar vertebra of different users. The soft supporting mechanism provides corresponding support for the thoracic vertebra and the sacral vertebrae of the human body, it is ensured that the back of the human body is optimally supported, and the sacral vertebrae supporting air bag and the response area can lift the back waist and the thigh roots of the human body to a certain degree through pressure changes of the sitting pressure area and the response area of the hip supporting air bag for people with special body shapes. Therefore, the sofa can be effectively prevented from sinking, the correct sitting posture is kept, and the pressure on the lumbar vertebra and the spine is reduced.

The invention discloses an annular structure interface shear test device and method considering fluid viscosity, the annular structure interface shear test device comprises a shear cylinder, loading plates, a test tube, a connecting tube, a displacement outlet tube, a counter-force tube, a hollow jack and a tension and compression sensor, a sample bin is enclosed between the two loading plates, and a loading bin is enclosed between the loading plates and end covers on the same side; stable sealing of fluids with different viscosities in a high-pressure environment is realized through a plurality of matched sealing structures, and actual engineering annular structure interface forms of pile soil, pipe soil and the like are accurately matched through an annular cavity structure, so that annular structure interface direct shear tests of various rock and soil samples under different consolidation pressures, different fluid viscosities and different hydraulic conditions can be realized; in the shearing process, the interface occurrence environment is highly matched with an engineering site, the problem that the mechanical parameters of the viscous fluid-containing annular structure interface cannot be accurately tested is effectively solved, and data support is provided for research on the mechanical characteristics of the annular structure interface in geotechnical engineering such as sea reclamation and waterlogged soft foundation treatment.

The utility model provides a main body head rack bar bearing location fishing reel, the fishing reel comprises a winding handle, a main body, a winding reel, a transmission device and a line seat, the main body comprises a fishing rod mounting seat, a frame body and a cover body, the frame body comprises a main body head provided with a middle through hole, and the main body head is provided with a through hole. The transmission device comprises a main shaft, a toothed bar, a first bearing, a second bearing and a third bearing; the toothed bar is arranged on the main shaft; the first bearing, the second bearing and the third bearing are sequentially arranged on the toothed bar, the outer edge face of the first bearing and the outer edge face of the second bearing are connected with the inner edge face of the head of the body and used for supporting the toothed bar, and the third bearing is arranged in the middle through hole. The two bearings are additionally arranged at the head of the main body, so that the toothed bar is more supported, and the rotation stability of the line seat can be enhanced under the fish beating strength; the toothed bar can bear larger force, the service life of the fishing reel in the throwing process is prolonged, and the operation comfort degree after fishing is improved.