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169 results about "Stress point" patented technology
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Profile structure for erecting outdoor awning
The utility model discloses a profile structure for erecting an outdoor awning, which comprises a connecting piece provided with at least one hook part; the fixed beam is provided with a slot matched with the hook part; the connecting piece is provided with at least two supporting plates; the hook part of the connecting piece is matched with the slot of the fixed beam, and the at least two supporting plates are combined, so that the stability of the whole structure is obviously improved. Due to the clamping design of the hook part and the slot, stress is uniformly distributed, and the defect that a single stress point of a traditional screw is easy to loosen is overcome; the double supporting plates are arranged to form double supporting, the bearing pressure is further dispersed, deformation or cracking of the aluminum material caused by single-point stress is effectively prevented, the bearing capacity of the support is greatly improved, and the service life of the support is greatly prolonged.
Owner:JIANGSU WEILUN FIRE TECHNOLOGY CO LTD
Winding machine structure capable of adjusting winding length and preventing wire breakage
The utility model relates to the technical field of winding machines, and discloses a winding machine structure capable of adjusting winding length and preventing wire breakage, which comprises a frame, an equipment table is fixedly mounted on one side of the frame, a fixing frame is fixedly mounted on one side of the front end of the frame, a branching roller is rotatably connected in the fixing frame, and an adjusting mechanism is arranged in the frame; the adjusting mechanism comprises a servo motor, the servo motor is embedded in one end of the fixing frame, and a threaded rod is fixedly installed at the power output end of the servo motor. Through the design of the servo motor, the threaded rod, the sliding frame, the limiting frame, the limiting groove and the abutting wheel, the wire winding length is adjusted to be increased, stress concentration during wire winding is reduced, and the wire winding quality is improved. And meanwhile, the contact wheel is matched to increase stress points, the stress is further dispersed, the smoothness of the conveying process is kept, and therefore the protection performance of the silk threads can be further improved.
Owner:SUZHOU JINHONGFENG ELECTRONICS CO LTD
Engine piston skirt rigidity measuring device and method
The application provides an engine piston skirt rigidity measuring device and method, and relates to the technical field of engine pistons. The engine piston skirt rigidity measuring device and method are suitable for measuring the rigidity of the engine piston skirt, adopt a full-displacement constraint mode to completely fix the piston, adopt a symmetrical pressurizing mode to pressurize the piston skirt measuring points, ensure that the piston skirt measuring points are balanced in stress, adopt a high-precision laser displacement sensor to non-contact accurately measure the piston stress points and surrounding measuring points, can accurately measure the displacement of the piston measuring points and surrounding stress deformation points, and can further solve the rigidity value of the piston. Not only can the application provide important data support for high-strength and lightweight piston design, but also can provide reliable boundary input parameters for piston dynamics calculation, and has extremely important significance for the service life of the piston and the research on the economy, reliability and safety of the engine.
Owner:山东航空学院
Blade ring and high-pressure-resistant connector device
The utility model provides a blade ring, a fastener and a high-pressure-resistant joint device, a pipeline connecting section and a fastener connecting section are arranged in the blade ring, and a connecting structure matched with the blade ring is arranged on the outer wall of the fastener. The joint device comprises a blade ring, a first fastener and a second fastener. The pipeline is fastened in a multi-stage mode through the connector device, under the condition that the pipeline and the connector device are both made of PEEK materials, the pressure resistance of the pipeline and the connector device can be larger than 80 Mpa and even reach 200 Mpa after the pipeline and the connector device are made of stainless steel or titanium materials, and the application requirements of ultra-high performance liquid chromatography and mass spectrometry can be met. Meanwhile, the fastening point positions of the pipeline to be fastened are distributed at all positions of the pipeline, so that stress point positions of the pipeline are dispersed, the stress concentration phenomenon of the pipeline is relieved, the stress borne by a single stress point of the pipeline is greatly reduced due to the dispersed stress point positions, and the situation that the pipeline is seriously deformed and blocked due to stress concentration is avoided.
Owner:HUNAN DEMETER INSTR CO LTD
Lifting system for double-layer steel shaft wall of vertical shaft
The invention provides a vertical shaft double-layer steel shaft wall lifting system which comprises a base plate, a lifting rod parallel to a double-layer shaft is rotatably inserted in the base plate, a first limiting plate parallel to the base plate is fixed to the bottom of the lifting rod, and a second lifting lug is arranged at the top of the lifting rod. And the first limiting plate is rotated to be staggered with the base plate in a manner of rotating the lifting rod, so that when the double-layer shaft is lifted, the top surface of the first limiting plate can be in contact with and lift the bottom wall of the upper flange plate. The auxiliary mechanism is used for assisting in pressing the top wall of the upper flange plate corresponding to the first limiting plate in position before lifting. Hoisting connection is achieved by using the original pouring hole in the upper flange plate as a stress point, mounting and dismounting operation of the hoisting structure on the pouring hole can be efficiently completed before and after hoisting, the single-section hoisting efficiency of the double-layer shaft is improved, reutilization can be achieved, cost is saved, and it is ensured that the inner wall structure of the double-layer shaft is not damaged.
Owner:CHINA COAL SPECIAL DRILLING ENG +1
Extraction device special for large case PCBA board
The invention discloses a special pulling device for a large case PCBA (Printed Circuit Board Assembly) board, which comprises a pulling handle and a plurality of pulling tensioners matched with the pulling handle, and the pulling tensioners are matched with mounting holes of the PCBA board, so that the stress positions of the PCBA board are the positions of the mounting holes. By arranging the pulling handle and the plurality of pulling expanders matched with the pulling handle, and the plurality of pulling expanders are respectively matched with the plurality of mounting holes, the plurality of mounting holes become a plurality of stress points, so that the PCBA board is subjected to a plurality of stresses at the same time when being pulled out, the stress at a certain position is balanced, the stress is uniform, the PCBA board is pulled out quickly and stably, and the pulling efficiency of the PCBA board is improved. And violent pulling is avoided.
Owner:SUZHOU CHANGFENG AVIATION ELECTRONICS
Suspension protection device of coal mine ventilation air duct
The utility model discloses a suspension protection device of a coal mine ventilation air duct, which belongs to the technical field of suspension, and comprises two bolts, the outer surfaces of the two bolts are jointly connected with two protection mechanisms in a sliding mode, the outer surfaces of the two bolts are both connected with nuts in a threaded mode, and the two protection mechanisms are connected with the nuts in a threaded mode. The coal mine ventilation air duct suspension device comprises two protection mechanisms, the interiors of the two protection mechanisms are jointly and rotationally connected with a suspension mechanism, the two protection mechanisms are matched with the suspension mechanism, the coal mine ventilation air duct can be suspended, the protection effect is achieved, after the device is installed, the ventilation air duct is suspended through three force bearing points at the same time, and the stability of the air duct is guaranteed to a great extent; and through the combined action of the three stress points, the device can be used for hanging the horizontal section of the ventilation air duct and can also be used for hanging the vertical section of the ventilation air duct, the continuity and stability of a ventilation system can be effectively guaranteed, the function of high hanging stability can be achieved, and the practicability of the device is improved.
Owner:SHAANXI CHANGWU TINGNAN COAL IND CO LTD
Inner circle grinding fixture structure for target material processing
ActiveCN116141195BRevolution surface grinding machinesGrinding work supportsStress pointMaterials processing
The utility model provides a kind of inner circle grinding fixture structure for target material processing, belong to fixture technical field, to solve the smaller stress point when clamping, and currently in processing, possibly repeatedly positioning, lead to the problem of target material damage when clamping is very easy to cause, very easy to appear error, the inner wall of installation slot is rotatably connected with middle connecting rod in the utility model, and the both ends of middle connecting rod are respectively fixedly connected with first threaded rod and second threaded rod, the outer wall of first threaded rod is threadedly connected with first movable platform, the outer wall of second threaded rod is threadedly connected with second movable platform, and the end, away from second threaded rod, of first threaded rod is connected with motor, rotates first threaded rod and second threaded rod using motor, drives first arc-shaped clamping component and second arc-shaped clamping component to clamp target material to be processed, and the target material to be processed is wrapped and clamped and fixed, without repeatedly positioning, also avoid the problem that target material damage when clamping is very easy to cause due to the smaller stress point.
Owner:WUHU YINGRI TECH CO LTD
Plunger pump assembling and machining equipment
The invention discloses plunger pump assembling and machining equipment, and belongs to the technical field of mechanical assembling, the plunger pump assembling and machining equipment comprises an assembling robot, an assembling table and a conveying belt, the assembling table is used for assembling a plunger cylinder body and a plunger, the conveying belt is used for conveying the plunger, and the assembling robot comprises a track plate suspended through a supporting frame; the track plate is connected with an assembling mechanical arm through a track moving part, the assembling mechanical arm is connected with a lower control ring through a rotating switching part, and a plurality of assembling moving seats are arranged on the outer side wall of the lower control ring. Through the unique design of the clamping openings and upper and lower stress points in the clamping disc, the plunger is actively corrected and kept in the vertical state in the assembling process, it is guaranteed that the plunger is accurately inserted into a cylinder plunger hole in the vertical posture, the risk of scratching the inner wall of the hole is greatly reduced, the sealing performance and the service life of a plunger pump during operation are guaranteed, and the service life of the plunger pump is prolonged. Inclination of the plunger is fundamentally avoided, the problem that installation is inconvenient due to inclination of the plunger caused by preassembling of the sliding shoe is thoroughly solved, and accurate and efficient assembling is achieved.
Owner:MARUICHI RUBBER (SHENZHEN) CO LTD
Beam type hoisting equipment
The utility model provides beam type hoisting equipment, and relates to the technical field of hoisting equipment. The beam type hoisting equipment comprises a crane, a winch, a fixed pulley assembly, a movable pulley assembly and a carrying pole beam, and a second steel wire rope of the winch is sequentially and alternately wound around the fixed pulley assembly and the movable pulley assembly so that the movable pulley assembly can move up and down along with winding and unwinding of the second steel wire rope; the carrying pole beam can lift heavy objects along with the up-and-down movement of the first lifting hook and the movable pulley assembly. Through the arrangement of the winch and the pulley assembly, the crane only bears about half of the gravity of a heavy object, so that the application range of the crane is expanded; and one stress point of the cross beam is dispersed into two stress points, so that the bending deflection of the cross beam is reduced.
Owner:CHINA CITY ENVIRONMENT PROTECTION ENGINEERING LIMITED COMPANY
Electronic device
The application provides an electronic device. The electronic device comprises: a first body; a second body, the second body being movable relative to the first body; a connecting piece, the first body and the second body being electrically connected through the connecting piece; and a target piece, the target piece being capable of providing a target force for a first target part of the connecting piece, the target force causing the first target part to comprise a first section and a second section, the target force acting on a stress point of the connecting piece, the first section extending in a direction opposite to a direction of the target force from the stress point, and the second section extending in a direction opposite to the direction of the target force from the stress point.
Owner:LENOVO (BEIJING) LTD
Special lathe for machining shaft parts of power plant
The utility model relates to the field of shaft machining equipment, in particular to a lathe special for machining shaft parts in a power plant, which comprises a workbench, the upper end of the workbench is fixedly connected with a fixing frame and a supporting plate, and the interior of the fixing frame is connected with a first sliding seat through a first position adjusting mechanism. A first electric telescopic rod is fixedly connected to the lower end of the first sliding seat, a supporting mechanism is installed at the top end of the moving frame, a rotating cylinder is rotationally connected to the interior of the supporting plate, a driving mechanism is installed on the circumferential face of the rotating cylinder, and a three-jaw chuck is fixedly connected to the right end of the rotating cylinder; an extrusion disc is rotationally connected into the moving plate, and a second position adjusting mechanism is installed at the bottom end of the moving plate. According to the long shaft special for the power plant, the stress position of the long shaft special for the power plant can be supported, at the moment, the stress point of the long shaft special for the power plant is not in a suspended state any more, and therefore the supported long shaft special for the power plant can be cut more stably.
Owner:GUANGZHOU JIANCHENG IND LASER TECHNOLOGY DEVELOPMENT CO LTD
Auxiliary hoisting tool for large pipeline compensators
The utility model discloses an auxiliary hoisting tool for large pipeline compensator, including base and clamping component, and clamping component includes a pair of adjustable relative position and lockable setting in the two clamping jaws of base, and through the relative position of two clamping jaws adjustment realizes the clamping restraint or release of pipeline compensator. The utility model adopts integral type support structure, avoids the direct contact of weak position of pipeline compensator, disperses the stress point to flange and reinforcing ring, adopts modular design simultaneously to adapt to different caliber pipeline compensator, and can be received in parts and be convenient for transportation, compared with traditional hoisting method, reduces the rework and spare part waste due to hoisting damage, shortens the construction period, especially suitable for the repair scene, solves the industry pain point, and has the protection, high efficiency and economy.
Owner:CHINA METALLURGICAL CONSTR ENG GRP
Dynamic print infill adjustment for determined stress points
Embodiments of the disclosure provide systems and methods for implementing 3D printing to manufacture 3D print objects with dynamic adjustment of 3D print infill specifications based on determined regions of stress points in a given 3D device design. A disclosed method comprises receiving a 3D object design for a 3D device to be printed; determining, based on the 3D object design and a trained model, a region of the 3D object with a projected likelihood of human interaction above a threshold likelihood; and generating, based on the determined region of the 3D object, instructions to selectively adjust one or more print infill specifications at the region.
Owner:INTERNATIONAL BUSINESS MACHINE CORPORATION
A massage simulation teaching device and simulation system
ActiveCN121459663BCosmonautic condition simulationsEducational modelsPhysical medicine and rehabilitationStress point
The present application relates to the technical field of massage teaching, and in particular to a massage simulation teaching device, which comprises a finger sleeve, a connecting device arranged on one side of the finger sleeve, a main body arranged on one side of the connecting device, a tight component arranged in the finger sleeve, and a circulation seat arranged on the outside of the finger sleeve, a limiting seat arranged on one side of the inside of the finger sleeve, a rotating disc arranged on one end of the limiting seat, a clamping seat arranged in the inside of the rotating disc and the limiting seat, a guide rod arranged on the outside of the clamping seat, and a positioning rod arranged in the inside of the clamping seat. The tight component and the winding component are configured to improve the training adaptability and the use convenience, the tight component is designed in cooperation with the air bag and the clamping seat, the fingers of the wearer can be precisely limited and fixed according to individual differences, the problem of stress point deviation when different users wear the finger sleeve is effectively avoided, and the stability and accuracy of the force data in the test training are ensured.
Owner:XIAMEN CUBE FANTASY TECH CO LTD
Multi-axial rock dynamic and static load testing machine
ActiveCN121475852Bavoid destructionimprove accuracyStrength propertiesDynamic load testingStress point
The application discloses a multi-axle rock dynamic and static load testing machine, relates to basalt fiber new material rock detection, and comprises a testing machine body and a testing platform fixedly installed at the middle part of the testing machine body; a dynamic load assembly is arranged above the testing machine body, and the dynamic load assembly comprises a dynamic pressure applicator; wherein the dynamic pressure applicator carries out dynamic load testing on the fiber new material rock of the testing platform surface through adjustable speed impact and vibration; static load assemblies are arranged on the front and back sides of the testing machine body, and the static load assemblies comprise static pressure applicators; wherein the static pressure applicators move at a uniform speed. The multi-axle rock dynamic and static load testing machine processes multiple testing surfaces of new material rocks through a positioning mechanism and a dust removal mechanism, avoids damage of rock particles to stress points, simultaneously carries out testing and detection on new material rocks through dynamic and static load testing in a staggered distribution mode, and improves data accuracy and testing efficiency.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
Bridge crane with stabilizing effect
The utility model discloses a bridge crane with a stabilizing effect, which belongs to the technical field of cranes and comprises a movable disc and a hanging scaffold component, two twisting barrels are arranged on the movable disc along the left-right direction, and each twisting barrel is rotatably connected with the movable disc; a plurality of movable pulleys are arranged on the upper end face of the hanging scaffold assembly, a plurality of fixed pulleys are arranged on the upper end face of the movable disc, a steel wire rope is wound around the winch barrel and matched with the fixed pulleys and the movable pulleys to lift the hanging scaffold assembly, and the hanging scaffold assembly can adjust the levelness in the no-load state. When the lifting device is used, the steel wire rope lifts the hanging scaffold assembly through the movable pulleys and the fixed pulleys to achieve the purpose of lifting materials, then the movable disc moves back and forth to achieve carrying of the materials, and due to the arrangement of the fixed pulleys and the movable pulleys, when the hanging scaffold assembly lifts, due to the fact that stress points are multiple, stress is balanced, inclination is avoided, and lifting is stable; the problem that in the prior art, lifting is unstable due to the fact that the force bearing point of the hanging scaffold is single is solved.
Owner:HENAN DAFANG HEAVY MACHINERY
Traction equipment for harbor machinery
The utility model discloses traction equipment for harbor machinery, which belongs to the technical field of traction equipment and comprises a mounting plate, four positioning holes are arranged at the upper end of the mounting plate, an adjusting mechanism is fixedly connected to the upper end of the mounting plate, and a traction mechanism is fixedly connected to the upper end of the mounting plate. Through cooperative work of a lifting assembly and a positioning assembly in the adjusting mechanism, the height and the horizontal position of a pulling rope can be dynamically adjusted, it is ensured that the pulling rope and the stress point of a pulled machine are located on the same straight line all the time, a first motor drives a first lead screw to ascend and descend a moving block, and the horizontal distance of a moving plate is adjusted in combination with a second bidirectional lead screw in the positioning assembly; vertical and horizontal two-way positioning of the traction rope is achieved, traction force dispersion is effectively avoided, through cooperation of the limiting piece of the traction mechanism and the winch, it is guaranteed that the traction rope is evenly wound and unwound, traction stability is enhanced, the function of guaranteeing stable stress of dragged mechanical equipment can be achieved, and the practicability of the equipment is improved.
Owner:史会卫
Node structure of steel column top and truss
The utility model relates to a node structure of steel column tops and trusses, which belongs to the technical field of constructional engineering and comprises four steel columns and trusses, and node structures used for being connected with the trusses are arranged at the tops of the steel columns. The node structure comprises a node connecting plate fixedly mounted at the tops of two adjacent steel columns, a bearing plate is fixedly mounted between the two adjacent steel columns, and two supporting rods are fixedly mounted at the top of the bearing plate. According to the node structure of the steel column top and the truss, the node connecting plate is installed at the connecting position of the steel column and the truss to connect the steel column and the truss, new stress points are added through the effects of the bearing plate, the supporting rod and the reinforcing connecting plate, and therefore stress borne by the node connecting plate is reduced; meanwhile, through the node connecting plate, the reinforcing connecting plate and the movable supporting top plate, the vertical load on the steel column can be effectively transmitted and dispersed to each rod piece of the truss, so that the stability of the whole structure is improved.
Owner:LUZHOU YUESHENG STEEL STRUCTURE PROD CO LTD
Fixing structure and fixing method for caisson dragging equipment
PendingCN121952138Afirmly connectedEasy to fixNon-rotating vibration suppressionCaissonsStress pointGear wheel
The invention discloses a fixing structure and a fixing method for caisson dragging equipment, and relates to the related field of caisson dragging equipment.The fixing structure comprises a fixing steel frame, a rear plate is fixed to the back of the fixing steel frame, a U-shaped attaching block is embedded into the inner side of the rear plate, and the outer side of a stabilization mechanism acts on the outer side of a cable; the stabilization mechanism synchronously acts along with the locking mechanism through meshing transmission of the fixed rack and the rotating gear, and a rotating roller of the stabilization mechanism elastically clamps the cable so as to buffer shaking force. According to the fixing structure for the caisson dragging equipment and the fixing method, the U-shaped attaching block is matched with the anti-skid pad and is combined with the locking bolt to be fixed to the rear plate, it is guaranteed that the fixing steel frame and the caisson foundation are stably connected, and displacement is avoided; the locking mechanism is in linkage with the stabilization mechanism, and the sliding block moves to drive the fixed rack, the rotating gear and other components to operate, so that the rotating roller is synchronously attached to the cable, cable shaking in the dragging process is reduced, and damage caused by stress point change is avoided.
Owner:CCCC FIRST HARBOR ENGINEERING CO LTD +1
Abrasive forming mold
The utility model discloses a kind of abrasive forming moulds, including cylindrical base, the upper portion of base is sleeved with mould ring, the lower portion of base is sleeved with second spring, the center of base is longitudinally provided with center hole, the upper portion of center hole is slidably provided with mould core, the lower portion of center hole is provided with first spring, center hole is sleeved with compression ring, the space that the bottom surface of compression ring, mould core outer side, base upper surface and mould ring inner side enclose is the forming cavity of abrasive.This abrasive forming mould can realize two functions of compression forming and demoulding after forming by the different pressure points of conversion external power, simple operation, abrasive is axially moved in forming cavity after forming by pressure equipment driving, the degree of fit of abrasive and mould ring inner side, mould core outer side is reduced using friction, worker is conveniently and quickly taken out after forming, improve abrasive compression efficiency.
Owner:GUIZHOU DONGJIANG ABRASIVES CO LTD
Steel ring connecting structure for steel ring underwear
The embodiment of the utility model discloses a steel ring connecting structure for steel ring underwear. The steel ring underwear comprises cups, side rear parts, the steel ring connecting structure and steel rings, the steel ring connecting structure comprises a first covered edge, a second covered edge, a third covered edge and a steel ring sleeve; the steel ring sleeves are positioned at the joints of the cups and the side rear wings; the steel ring sleeve is used for wrapping the steel ring; the first covered edge is positioned on the edge of the joint of the side back part and the cup; the second covered edge is positioned on the upper edges of the two cups; the third covered edge is positioned on the lower edge of the side rear wing; the steel ring underwear is wrapped in the first wrapping edge, the second wrapping edge and the third wrapping edge; wherein the two sides of the first covered edge are folded inwards to form double-layer folding; and one end of the steel ring sleeve is embedded into the center of the first covered edge. According to the embodiment of the utility model, the connecting structure between the steel ring and the steel ring underwear is optimally designed, so that the stress point of the steel ring underwear is smooth and natural, the rubbing feeling is reduced, and the wearing comfort of the steel ring underwear is improved.
Owner:GUANGZHOU TOFFEE PIE CLOTHING CO LTD
A stator lamination of a household air conditioner compressor motor
The application provides a stator lamination of a household air conditioner compressor motor, and relates to the technical field of motor stators, comprising: a stator lamination main body, a damage-preventing stress receiving part and a connection detection part; four mounting round holes are formed in the stator lamination main body, and the upper and lower sides of the four mounting round holes are provided with chamfers; an arc-shaped clamping groove is formed in each of the two mounting round holes on the front and back sides; two groups of the damage-preventing stress receiving parts are arranged, and the two groups of the damage-preventing stress receiving parts are arranged in the two mounting round holes on the front and back sides, and are used for protecting the stator lamination main body; two groups of the connection detection parts are arranged, and the two groups of the connection detection parts are arranged in the two mounting round holes on the left and right sides; stress points are concentrated on the damage-preventing stress receiving blocks a and b, so that burrs or deformation of the stator lamination main body after stress is avoided; and the problem that burrs or deformation of the motor stator lamination after stress affects subsequent assembly is solved.
Owner:TAIXIN MOTOR TIANJIN CO LTD
A reinforcing tool and method for a single-side cast-in-place formwork of a profiled pile board wall
ActiveCN117588036BForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksStress pointArchitectural engineering
The present application belongs to the technical field of deep foundation pit support and road high slope support, and particularly relates to a reinforcing tool and method for single-side cast-in-place formwork of a special-shaped pile-slab wall, which can quickly and effectively fix the cast-in-place formwork by setting lower and upper reinforcing components, thereby solving the problem of difficult fixation of single-side cast-in-place slab of single-side pile-slab wall and limited reinforcing space; the I-beams, combined angle steels and steel triangular supports used can be reused, and the manual assembly solves the problem of inconvenient reinforcement due to lack of stress points; the reinforcing tool is used to fix the single-side cast-in-place formwork, which can well bear the lateral pressure of the cast-in-place formwork caused by concrete during concrete pouring, solves the danger of bulging and bursting of the formwork caused by the use of traditional tensioning screw rods for reinforcement, and can better ensure the concrete forming quality of the pile-slab wall.
Owner:FANGCHENGGANG ZHONGYI HEAVY IND
Reinforced tow hook
Owner:NINGBO XINZHIHUA AUTOMOBILE COMPONENT
Forcing rod
The utility model provides a force applying rod which comprises a structure body, and the structure body comprises a rod body, and a limiting part and a locking part which are arranged on the rod body. Wherein the rod body is provided with an operation section and an installation section used for installing the wrench, the limiting part and the locking part are both arranged on the installation section, the limiting part is used for limiting the torsion angle of the wrench relative to the installation section, and the locking part is used for locking the wrench on the installation section. According to the stress application rod, the rod body is provided with the operation section and the installation section used for installing the wrench, so that the length of a force arm of the wrench can be increased, the small-size wrench can also apply large torque, the number of types and types of the wrench can be reduced, and the purchasing cost is reduced; besides, due to the arrangement of the limiting part, a torsion fulcrum and a reverse force bearing point can be provided for the wrench, the wrench can better output torque, the wrench can be firmly locked on the installation section through the locking part, and the wrench can be effectively prevented from shifting and falling off in the operation process.
Owner:TEHI HYDROGEN TESTING (BAODING) CO LTD
A batter pile bracing structure for foundation pit deformation and a pressure monitoring system thereof
PendingCN122106092AImprove mechanical performanceadd supportFoundation testingExcavationsStress pointArchitectural engineering
The application discloses a kind of for foundation pit deformation inclined pile brace structure and its pressure monitoring system, it is related to foundation pit supporting technical field, including inclined brace, strengthening mechanism is connected to the end of inclined brace, and strengthening mechanism is used to protect the end of inclined brace, protective assembly is connected to the outer surface of inclined brace, and protective assembly can change position along inclined brace, supporting mechanism is hingedly arranged in one side of sliding sleeve mechanism, and supporting mechanism is used to support foundation pit, end plate mechanism is connected to one side of strengthening mechanism.The application utilizes entire inclined pile brace structure to support foundation pit, wherein the two ends of the main stress point of inclined brace can be strengthened by strengthening mechanism, so that the two ends of inclined brace will not easily deform, improve the structural strength of its two ends, while the cooperation of protective assembly and supporting mechanism can further support foundation pit, and it can also adjust its stress position, thereby increasing the stress effect of inclined pile brace structure as a whole.
Owner:HUBEI DAOZE GEOTECHNICAL ENG CO LTD +2
An assembled recyclable anchor rod and a construction method thereof
The present application relates to a kind of assembled recyclable anchor rod, comprising: anchor head, a plurality of stretchable reinforcing rib modules are arranged on the outside of anchor head;Sleeve, sleeve is rotatably connected with anchor head, and the end of sleeve and anchor head is provided with sawtooth shape;Hold pole, the end of hold pole is connected with the other end of sleeve, and the other end of hold pole can be held by operator;Grouting duct, grouting duct is sequentially penetrated through the center of hold pole, sleeve and anchor head, and grouting duct can be extended to the front end of anchor head and grouting to anchor hole.The present application is connected by stretchable reinforcing rib module on anchor head, anchor head and anchor hole are inserted and fixed, reliable stress point is formed after grouting, sleeve and anchor head can be rotated from pressure state to tension state, sleeve and hold pole can be rotated and removed after anchor rod is used, it is simple to operate, component is recyclable and reusable, reduce cost, and grouting duct can be extended to the front end of anchor head and grouting to anchor hole, improve work efficiency, and guarantee construction quality.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD
A method and system for predicting the torque of a disc cutter of a quasi-rectangular tunnel boring machine
The application relates to a kind of rectangular shield cutter torque prediction method and system, comprising: collecting the geological data and mechanical operating parameter of soft soil layer, after denoising using real-time signal filtering technology, obtain purified geological information and mechanical state data set;From the key stress change data of refined torque distribution characteristics, for the dynamic signal of prominent interference, based on historical data characteristics, pattern matching is carried out, and the potential instantaneous torque jump risk is judged;Through the evaluation result of instantaneous torque jump risk, the model boundary constraint and uneven soil pressure distribution parameter in the mechanical model of rectangular section are adjusted, and the optimized torque fluctuation distribution is obtained combined with risk assessment index;According to the optimized torque fluctuation distribution, calculate real-time torque value, integrate the physical limit of stress point distribution and dynamic adjustment mechanism, determine the final cutter torque prediction data.
Owner:HENAN INST OF ENG
Metal cutting device for mechanical part manufacturing
The invention discloses a metal cutting device for mechanical part manufacturing, and relates to the technical field of metal cutting. According to the metal cutting device for mechanical part manufacturing, when a metal pipeline part is machined, the abutting mechanism pushes the rotating mechanism to form a continuous abutting state on a placed metal pipeline, and the outer wall multi-point arc-shaped clamping mode is adopted; the problem of tooth gnawing caused by resonance during cutting due to few stress points during traditional metal pipeline machining is avoided, the machining working condition of the metal pipeline is more stable due to multi-point abutting fixing, burrs and vibration marks on the machined section are prevented, the machining quality of metal pipeline cutting is well improved, and the machining efficiency of the metal pipeline is improved. When the position of the metal pipeline needs to be adjusted, machining of the cutting tool is stopped, the metal pipeline fitting is controlled to slowly rotate on the placing mechanism by controlling rotation of the abutting roller and the adjusting protruding point, and then the effect of switching the machining position can be achieved.
Owner:HUAIAN BIOLOGICAL ENG HIGHER VOCATIONAL SCHOOL