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78results about How to "Uniform force distribution" patented technology

Large shield hob layout modeling method and system based on improved CSM model

The invention discloses a large shield hob layout modeling method and system based on an improved CSM model, and belongs to the technical field of shield tunneling. Selecting corresponding basic parameters based on the project condition and the target cutter; analyzing the generation mechanism of the stress of the target cutter and the mutual relation to obtain the stress characteristics of the target cutter; an improved CSM model is established, and the actual stress of the target tool is obtained through calculation; taking the minimum total radial resultant force of the cutter head and the minimum overturning moment as objective functions, proposing a resultant force constraint condition, an overturning force constraint condition, a stress constraint condition, a mass center position constraint condition and a cutter spacing constraint condition, and constructing a hobbing cutter layout optimization mathematical model; and obtaining a hob layout scheme by using the hob layout optimization mathematical model. According to the method, the improved CSM model is introduced, the vertical force and the rolling force of the hob are considered, and the lateral force is innovatively brought into an analysis framework, so that the comprehensive stress characteristics of the hob in actual tunneling are reflected more accurately.
Owner:CHINA RAILWAY 14TH BUREAU GRP LARGE SHIELD ENG CO LTD +1

A two-stage planetary deceleration module suitable for frameless motor

The utility model discloses a kind of two-stage planetary reduction module suitable for frameless motor, belong to robot movement field, to solve the problem of poor integration when existing frameless motor adapts reduction module, insufficient reduction capacity.The module includes motor, two-stage planetary reduction mechanism, motor shell, shell end cover and output flange;Motor contains coaxially arranged stator winding and motor rotor, and motor rotor is ladder shaft structure;Two-stage planetary reduction mechanism is composed of primary reduction unit and secondary reduction unit, primary sun gear is connected with motor rotor by first sun shaft, secondary sun gear is connected with primary planetary gear by first planet carrier, and output flange is connected with second planet shaft, and first gear ring is arranged on the inner wall of motor shell.The utility model does not need transition component, and integration is high, two-stage reduction can realize high transmission ratio, and transmission precision is high, support is stable, effectively improve equipment load capacity and operating reliability.
Owner:TIGER OPERATION CONTROL (JIANGSU) TECH CO LTD

Auxiliary tensioning device of downward belt conveyor

The utility model relates to an auxiliary tensioning device of a downward belt conveyor. At present, when a belt conveyor for a coal mine moves downwards, a disc brake can effectively prevent reverse galloping accidents caused by failure of a backstop. However, when sudden stop occurs during downward transportation sometimes, the materials suddenly stop at an unloading section of the belt conveyor, so that the belt is damaged. The auxiliary tensioning device of the downward conveying belt conveyor comprises two original rollers (3) and a turnabout roller (1), the two original rollers and the turnabout roller are connected through a transmission belt, a roller shaft (13) is installed on the turnabout roller and penetrates through an insertion hole of an outer sleeve (7), an inner sleeve (8) is inserted into the outer sleeve, springs (6) are installed in the outer sleeve and the inner sleeve, and the springs (6) are connected with the transmission belt. When the outer sleeve is pressed downwards, the spring is compressed, and the shaft end of the roller shaft of the turnabout roller is connected with a piston rod of the air cylinder (4). The device is applied to the field of coal mines.
Owner:SHUANGYASHAN SHUANGMEI ELECTROMECHANICAL EQUIP CO LTD

Mold convenient for aluminum alloy forging demolding

The utility model discloses a die convenient for aluminum alloy forging demolding, which comprises a female die and a male die which are arranged oppositely, a die cavity is formed in the female die, and the male die is matched with the die cavity in a concave-convex manner and moves along the die assembly direction; at least two material blocking and demolding assemblies are evenly distributed at the lower end of the female die in the circumferential direction, each material blocking and demolding assembly comprises a forge piece blocking part, and the forge piece blocking parts are removably arranged on the side, facing the male die, of an opening of the die cavity in a blocking mode. The male die is integrally formed and comprises a die head and an ejector rod connected with the die head. The circumferential side face of the die head and the circumferential side face of the ejector rod are in smooth transition, the circumferential side face of the die head is an arc face, and the diameter of the cross section of the ejector rod is smaller than the maximum diameter of the cross section of the die head. The die is more stable in structure and convenient to operate, and demolding among the male die, the female die and the forge piece is simpler and quicker.
Owner:JIANGSU YIHE ALLOY TECH CO LTD

Mounting bracket for air conditioner outdoor unit

The utility model relates to the technical field of air conditioner support especially relates to a kind of installation support of air conditioner outdoor unit;Including:wall support, wall support includes installation part and support part, installation part is installed on wall, and support part is used to support air conditioner outdoor unit;Top support, top support is fixedly installed with baffle, baffle is set on the top of support part;First pulley, first pulley is installed in the side of top support close to wall surface;Second pulley, first pulley is installed in the side of top support away from wall surface;First pull rope, one end of first pull rope is fixed on top support and in the side of first pulley close to wall surface, the other end is fixed in the end of support part away from wall surface, and it is S shape winding on first pulley and second pulley;The utility model can help to bear part of the pressure of air conditioner outdoor unit by first pull rope pulling support part, distribute force on the position of second pulley, first pull rope and top support connection, make stress dispersion and structure more stable.
Owner:ZHEJIANG JIAJING INSTALLATION ENGINEERING CO LTD

A high-speed rail bearing cage installation and riveting equipment

This invention relates to the field of bearing riveting technology, specifically to a high-speed rail bearing cage installation and riveting equipment, including a base and a riveting system for assembling the bearing cage. The base is equipped with a fixing component for fixing the bearing outer ring. The fixing component includes a fixing seat and a sliding disc. The fixing seat is embedded in the base; the sliding disc is located inside the fixing seat, and a fixing arm is hinged to the sliding disc circumferentially. The top of each fixing arm contacts the top of the bearing outer ring; a sliding groove is formed in the middle of each fixing arm, and a locking rod that slides with the sliding groove is fixedly connected to the fixing seat circumferentially; both the fixing arm and the sliding groove are "<" shaped, and the fixing seat has an opening circumferentially for the movement of the fixing arm. This invention transforms linear motion into a circumferential fixing action through the sliding engagement of the fixing arm and the locking rod. Utilizing the specific shape design of the fixing arm and the sliding groove, the device can automatically adjust its clamping size according to the diameter of different bearing outer rings, thereby improving the applicability of the device.
Owner:SHANGHAI UNIV

High-position beam falling construction method for large-longitudinal-slope simply-supported steel trussed beam

The invention discloses a large longitudinal slope simply supported steel truss girder high-position girder falling construction method, which relates to the technical field of bridge construction, and comprises the following steps: S1, arranging a girder falling supporting point position, manufacturing a girder falling support and supporting a steel truss girder; s2, synchronous jacking, local falling, section drawing and re-jacking are circularly and alternately conducted through a beam falling support at one end of the steel truss beam till first-stage beam falling is completed; s3, a jack arranged on a high pier end padstone of the steel truss girder is dismantled, girder falling continues, and second-stage girder falling is completed; s4, synchronous jacking, local falling, section drawing and re-jacking circulation are conducted through a beam falling support at the low pier end of the steel truss beam till third-stage beam falling is completed; s5, the jack arranged on the low pier end padstone of the steel truss girder is dismantled, girder falling continues, and fourth-stage girder falling is completed; s6, pressure grouting is conducted on the anchor bolt holes, other facilities are dismantled, and construction is completed; the technical problems that in the prior art, beam falling of a large-span steel truss girder bridge is difficult to control, and efficiency is low are solved.
Owner:CHINA RAILWAY BAOJI BRIDGE YANGZHOU CO LTD +1

Three-section drawer slide rail

This utility model discloses a three-section drawer slide, including a fixed rail, a middle rail, and a movable rail. The middle rail has a first guide portion and a second guide portion. The first guide portion movably engages with the fixed rail, and the second guide portion movably engages with the movable rail. A first ball bearing assembly is provided between the first guide portion and the fixed rail, and a second ball bearing assembly is provided between the second guide portion and the movable rail. The advantages of this three-section drawer slide are: the use of a cross-shaped engagement and a three-sided ball bearing engagement structure makes the engagement between the fixed rail and the middle rail, and between the middle rail and the movable rail, more stable and reliable. It also ensures that the center of gravity of the movable rail and the middle rail coincides with the center of the fixed rail, effectively enhancing the overall strength of the slide. This results in more stable and smooth operation of the slide, leading to more stable and smooth drawer opening and closing. During use, the slide is less prone to bending and deformation, improving its bending resistance and load-bearing capacity.
Owner:FOSHAN SHENGDI METAL PROD CO LTD

Stabilizing device for liquefied natural gas transportation

The utility model relates to the technical field of liquefied natural gas transportation, and provides a stabilizing device for liquefied natural gas transportation, which comprises a base, a box body is fixed at the top end of the base, a placing groove is arranged in the box body, a fixing structure is arranged in the placing groove, a tank body is placed in the placing groove, and a fixing structure is arranged in the fixing structure. And a reinforcing structure is arranged in the base. According to the multi-directional flexible clamping device, the reinforcing structure is arranged, and the linkage design of the first two-way lead screw, the second two-way lead screw, the connecting rod and the fixing plate is adopted, so that the multi-directional flexible clamping of the tank body is realized. The elastic columns on the fixing plate can be attached to the surface of the tank body, damage caused by rigid contact is avoided, meanwhile, uniform stress distribution is provided, and the transportation safety is further improved.
Owner:CHENGDU ZHUOLI ENVIRONMENTAL PROTECTION ENG CO LTD

A portable eucalyptus planting fixture

The utility model relates to eucalyptus planting technical field, especially portable eucalyptus planting fixing device, including lower limit ring shell, the lower limit ring shell's outer surface right part is provided with the tree lower part installation mouth, the lower limit ring shell's inner wall upper part is provided with the inner fixed groove, the lower limit ring shell's inner wall fixedly connected with elastic adjustment fixed structure, the lower limit ring shell's outer surface lower part annular array is fixedly connected with three bottom reinforcement architecture. The utility model discloses a kind of portable eucalyptus planting fixing device, provide basic installation support by lower limit ring shell, elastic adjustment fixed structure is realized to the elastic stable clamping of different thickness eucalyptus with the help of spring, tight resistance plate etc. And avoid damage, tree body reinforcing assembly further improves fixed reliability, bottom reinforcement architecture enhances the overall stability of device, can conveniently provide stable fixing for eucalyptus planting, help eucalyptus growth, also can satisfy portable use demand.
Owner:QINZHOU FORESTRY RES INST

Redundant power supply automatic switching device of hot plug module

The utility model provides a redundant power supply automatic switching device of a hot plug module, which relates to the technical field of power supply switching equipment, and comprises a socket assembly consisting of a socket cover and a plug assembly consisting of a plug seat and a plug block which are arranged on one side of the socket cover, the plug seat is connected with the socket cover through the plug block, and the plug block is connected with the socket cover through the plug block. Sliding holes are formed in the two ends of the plug block, a trigger rod penetrating through the plug seat is arranged in the plug seat, two connecting plates are arranged at the end, located in the plug seat, of the trigger rod, a rectangular frame is arranged between the two connecting plates, and a conductive column is arranged at the end, close to the plug block, of the rectangular frame; a plug seat of a plug assembly is connected with a socket cover through a plug block with a sliding hole, the sliding hole provides guidance for insertion, so that the plug block can stably move along a set path, during insertion, the plug block pushes a trigger rod, the trigger rod drives a connecting plate and a rectangular frame, a conductive column is in contact with a conductive structure in a socket, and power connection is achieved.
Owner:SHENZHEN YUEFEI IND CONTROL INTELLIGENT TECH CO LTD

A gantry crane main beam inner truss structure and a gantry crane main beam

The utility model relates to a kind of gantry crane main beam inner truss structure and gantry crane main beam, comprising: support outer frame and truss unit, the support outer frame includes roof beam and a pair of side beams, a pair of the side beams symmetrically set in the both ends of the roof beam;The truss unit includes first tripod and at least one second tripod, one apex angle of the first tripod is connected with the roof beam, and the other two apex angles of the first tripod are connected with the side beam respectively;The apex angle of the second tripod is connected with the side of the first tripod away from roof beam, and the other two apex angles of the second tripod are connected with the side beam respectively.In the utility model, the inner truss of gantry crane main beam is modularized design, improves the installation speed and production efficiency of gantry crane.
Owner:JIANGSU YANGZI MITSUI SHIPBUILDING CO LTD

Folding structure, sleeping berth body and vehicle

The invention relates to a folding structure, a sleeping berth body and a vehicle. The rope wheel mechanism comprises rope wheel assemblies symmetrically arranged on the two sides of the folding body, and each rope wheel assembly comprises a fixed pulley and a steel wire rope fixedly connected with one end of the folding body; the driving mechanism comprises a motor and a motor pulley, the steel wire rope bypasses the fixed pulley and is fixedly connected with the motor pulley, and the motor is connected with the motor pulley and is used for driving the steel wire rope to be wound or released, so that the folding body is folded or laid flat. According to the folding structure, the sleeping berth body and the vehicle, due to the fact that the rope wheel assemblies are arranged on the two sides of the folding body respectively, and the single driving mechanism is adopted to synchronously drive the steel wire ropes of the two rope wheel assemblies to conduct winding or releasing operation, stress distribution of the folding body in the folding or unfolding process can be more effectively balanced; and the stability and the reliability of the whole structure are improved.
Owner:DONGFENG AUTOMOBILE COMPANY

An airborne precipitation enhancement flame strip and its spreading device

The invention discloses an airborne rainmaking flame strip and a spreader thereof, belonging to the technical field of artificial rainmaking equipment, comprising a guide body, a control device mounting cavity and a flame strip fixing body, wherein the guide body and the control device mounting cavity are fastened and connected by six bolts, and the control device mounting cavity and the flame strip fixing body are connected by welding and riveting to form a spreader, wherein the shape of the flame strip is formed by winding with glass fiber reinforced plastics, and the glass fiber reinforced plastics material has the characteristics of light weight, high specific strength, corrosion resistance, good electrical insulation performance, slow heat transfer, good thermal insulation and good resistance to instantaneous ultra-high temperature, and the front and rear two fixed limit supports are circular convex steps with a high safety factor, and all processing materials of the spreader are aviation aluminum, so that the whole spreader is light in weight, and the exposed and open in-line design makes the flame strip burn and dissipate heat extremely quickly, and makes maintenance extremely convenient, and all load-bearing fasteners are exposed for easy safety inspection.
Owner:JIANGXI XINYU GUOKE TECH +1

A lifting device with dynamic gravity compensation

This utility model relates to a lifting device with dynamic gravity compensation, including a support frame, a transmission lifting device, a sliding frame sliding on the support frame, a fixed pulley group set on the top of the support frame, a tension spring for relieving pressure on the lifting device, a movable pulley group set on the tension spring, and a steel rope for pulling the sliding frame. The lifting device is set inside the support frame; the working end of the lifting device is connected to the sliding frame; a connecting piece is set on the side wall of the support frame; one end of the tension spring is set on the connecting piece; the other end of the tension spring is set on the movable pulley group; the fixed pulley group includes several sets of first pulley bodies; the movable pulley group includes several sets of second pulley bodies; the steel rope is wound around the first pulley bodies and the second pulley bodies in sequence. This invention solves the problem that the transmission structure of traditional lifting devices is relatively simple, often using a single steel wire rope or chain to directly connect the motor and the lifting platform, which cannot effectively amplify the stroke of the steel wire rope.
Owner:NANTONG SEGO IND DESIGN CO LTD

Sealing cover and sealing tank

The invention discloses a sealing cover and a sealing tank. The sealing cover comprises a sealing cover bottom shell, a face shell, a key and a double-lever type sealing lifting assembly. The double-lever type sealing lifting assembly is composed of a short lever and a long lever which are hinged in a crossed mode, the short lever and the long lever are both of a double-arm supporting structure, and the structural stability and the stress uniformity are enhanced. And the long lever is provided with a V-shaped supporting included angle and a silica gel pad, so that the sealing effect and durability are improved. The face shell and the bottom shell are connected through cooperation of the clamping strips and the clamping grooves, the structure is stable, and disassembly and assembly are convenient. The sealing cover is further provided with a key locking assembly, a labyrinth groove structure and a lock catch part are adopted, and safety and stability are improved. The sealing tank is composed of a sealing tank body and a sealing cover, and the sealing state and the non-sealing state can be easily switched through key operation. The sealing device is compact in structure, convenient to operate, good in sealing effect and wide in application prospect.
Owner:余刚

Push-on electrical connector terminal with staggered c-clip

The utility model discloses a kind of press-type electric connector terminals with staggered C-shaped elastic sheet, including injection molding shell;Plug, protrude from the axial end of injection molding shell;Elastic sheet, with the inner wall contact assembly of injection molding shell, elastic sheet is C-shaped;Button piece, injection molding shell has the window hole of penetrating through its own inner wall and outer wall, button piece is movably assembled in window hole;Among them, two elastic sheets are axially staggered arrangement, the C-shaped opening direction of two elastic sheets respectively is opposite, button piece is assembled with the middle part of elastic sheet, and elastic sheet is used to provide radial elastic restoring force to button piece. Adopt this utility model adopts staggered arrangement C-shaped elastic sheet, make elastic force distribution balanced, effectively slow down fatigue, while button operation is smooth, improve connection reliability.
Owner:KUNSHAN JINGXIN MOULD CO LTD

HP-SCR built-in embedded box structure support

The invention discloses an HP-SCR built-in embedded box structure support which comprises an exhaust pipe and a fixing support, the exhaust pipe comprises a first pipe body, a second pipe body, a third pipe body and a fourth pipe body, and the second pipe body, the third pipe body and the fourth pipe body form a bent part of the exhaust pipe. The fixing support is fixedly installed on the inner side of the bent portion of the exhaust pipe and connected with the bent portion of the exhaust pipe in a tight fit mode, the fixing support comprises a bottom plate, two sets of side plates and two sets of connecting plates are arranged on the bottom plate, and the connecting plates are connected with a covering plate structure. According to the technical scheme, the support is fixedly installed on the inner side of the bent part of the exhaust pipe, the structure is compact, the support is tightly connected with the bent part of the pipeline, it is ensured that the support can be stably supported in a limited space, meanwhile, interference with other equipment, structures and the like is avoided, the space utilization rate around the exhaust pipe is optimized, and the service life of the exhaust pipe is prolonged. And the layout of equipment around the pipeline is more reasonable.
Owner:CHENGXI SHIPYARD

Exfoliating scrubbing device

ActiveCN222622833UConvenient and labor-savingergonomic designBathroom accessoriesMassageMechanical engineering
The utility model relates to the field of scrubbing and washing devices, in particular to an exfoliating scrubbing and washing device which comprises a shell. The back rubbing device further comprises an anti-falling handle, an inner shell and a back rubbing body. An anti-falling handle is fixedly connected to the upper surface of the outer shell, an inner shell is connected to the inner wall of the outer shell through a snap fastener, a back rubbing body is connected to the side, away from the outer shell, of the inner shell in a heat sealing mode, and a massage head is arranged on the surface of the side, back to the inner shell, of the back rubbing body. Through the arrangement of the anti-falling handle, a user can use the scrubbing and washing device more conveniently in a more labor-saving mode, the scrubbing and washing device conforms to the ergonomic design, due to the arrangement of the massage head, the user can make contact with the skin in a large area during scrubbing and washing, more dirt and cutin are removed, meanwhile, force distribution is more uniform, pain can be effectively relieved, and comfort is improved.
Owner:武平

Front end assembly and vehicle

ActiveCN224546106UImprove structural strengthHigh force transmission efficiencyControl theoryMechanical engineering
The application provides a front engine compartment assembly and a vehicle. The front engine compartment assembly comprises a wheel cover structure, a front longitudinal beam, a front bulkhead and an annular frame structure. The wheel cover structure and the front longitudinal beam are located on both sides of the vehicle body. The annular frame structure is arranged between the opposite wheel cover structures and connected with the front bulkhead. The two ends of the annular frame structure respectively extend downward along the inner walls of the corresponding wheel cover structures until connected with the front longitudinal beam. The front engine compartment assembly can improve the stress resistance and force transmission efficiency of the front engine compartment assembly, thereby improving the driving comfort of the vehicle.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

A prestressed concrete cross-web support for electrified railway contact network

The present invention discloses a prestressed concrete transverse web type support for an electrified railway contact network, comprising ultra-high performance concrete and a plurality of arch frames, wherein the plurality of arch frames are cast in the ultra-high performance concrete from bottom to top, wherein the arch frame comprises two groups of arch structures, wherein the arch structure comprises an annular frame and two V-shaped frames, wherein the two V-shaped frames are respectively fixed at the two ends of the annular frame, and the two V-shaped frames are symmetrical about the center of the annular frame, wherein the two groups of arch structures are arranged in parallel and fixedly connected by a plurality of vertical short bars, and the central axes of the annular frames of the two groups of arch structures are both located on the same vertical line. The present invention improves the overall strength and rigidity of the transverse web type support, and evenly distributes the force, so as to control the occurrence of cracks at the source of the structural design.
Owner:HENAN DINGLI POLES & TOWERS COMPANY

Power battery and frame integrated structure of new energy commercial vehicle

The invention relates to a new energy commercial vehicle power battery and frame integrated structure, which comprises a frame, the frame is provided with a bottom plate, the lower end of the bottom plate is fixedly connected with the lower wing surface of the frame, the upper end of the bottom plate is provided with a plurality of battery monomers, the battery monomers are connected in series and in parallel through connecting plates to form a battery pack, and the upper end of the frame is provided with a top plate. The top plate is fixedly connected with the upper wing surface of the frame; cooling water channels are formed in the bottom plate and the top plate; the defects that in the prior art, a battery is arranged on the side face of a vehicle frame or the rear portion of a cab, the occupied space is large, and the power battery is arranged on the side face and is prone to being impacted by external objects, so that the power battery is damaged more seriously are overcome.
Owner:BAOJI HUSN ENG VEHICLE +1

Rotary pressure sensor fatigue test device

The present invention discloses a fatigue testing device for a rotary pressure sensor, comprising a workbench, a force loading device connected to the workbench, a plurality of groups of detection components installed on the workbench, and a detection sensor installed on the workbench. The ends of adjacent detection components are connected by a steering component to form a rotary detection structure. Each group of the detection components comprises a plurality of sensors to be tested which are connected end to end. The force loading device is connected to the head of the rotary detection structure for force loading, and the detection sensor is connected to the tail of the rotary detection structure for data detection. The loading force of the force loading device of the present invention is transmitted in sequence through adjacent sensors to be tested, and a plurality of sensors to be tested can be tested at the same time, and the test efficiency is high. Each sensor to be tested adopts a serial rotary structure, so that its layout is flexible and can adapt to different layout sites, and the occupied space of the fatigue testing device is also reduced.
Owner:XIAN AERONAUTICAL UNIV

A mounting structure of a lamp

The utility model discloses a mounting structure of lamps and lanterns, including car body sheet metal and lamps and lanterns mounting bracket, the front portion of lamps and lanterns mounting bracket is fixed with car body sheet metal through a plurality of joint structure, and the rear portion is fixed with car body sheet metal through a plurality of bolt fastening structure, the joint structure include joint seat, and the joint pin of fixed in the bottom center of joint seat, the car body sheet metal is set up with a plurality of joint hole of matching with joint pin on, the front and rear two ends of joint pin and the front and rear two ends of joint hole all leave the gap. The utility model discloses through the matching design of joint and bolt fastening, effectively solved the security hidden danger of front through -penetrating lamp in the collision, and the installation convenience and structural reliability are given full play to simultaneously, and bolt fastening structure not only is convenient for lamps and lanterns mounting bracket front -and -back movement and realizes the energy absorption, and when installing, bolt fastening structure can adjust lamps and lanterns mounting bracket before and after, has reduced the manufacturing precision.
Owner:GUANGDONG JIALI AUTOMOBILE LAMP CO LTD

A honeycomb amplifying fiber pushing device and working method thereof

The present invention discloses a honeycomb amplification type fiber pushing device and its working method, the device comprises a workbench, a manually adjustable micro-motion platform and a honeycomb displacement output mechanism; the manually adjustable micro-motion platform is fixed on the workbench, and the honeycomb displacement output mechanism is fixed on the front side of the manually adjustable micro-motion platform; the honeycomb displacement output mechanism comprises a frame-type honeycomb amplification mechanism, a pin and a plurality of amplification components; the amplification components are arranged on the frame-type honeycomb amplification mechanism; the amplification components comprise a bridge-type amplification mechanism, a piezoelectric ceramic group, a piezoelectric ceramic positive input wiring and a piezoelectric ceramic negative input wiring; the fiber glass sheet to be detected is fixed on the workbench and is located below the pin; by inputting a signal to the piezoelectric ceramic group, the piezoelectric ceramic group is stretched and a displacement is output, the displacement is amplified by the bridge-type amplification mechanism, and the pin moves downward accordingly to push out a single fiber of the fiber glass sheet. The present invention has the advantages of simple device structure, fast response speed, high positioning accuracy, etc.
Owner:NANJING INST OF TECH

Septic tank for efficient production

The present invention discloses a purification tank that is easy to produce efficiently. The key points of the technical solution are that it includes a tank body, a cavity connected to the outside, a first inner liner for sewage reaction is arranged at the center of the cavity, a second inner liner for sewage reaction is distributed around the first inner liner, one side of the second inner liner is tightly fitted with the first inner liner, and the other side of the second inner liner is tightly fitted with the inner wall of the cavity. Through the above structure, the blow molding process can be used for rapid production, while also ensuring structural stability and facilitating the adjustment of specifications.
Owner:SHANDONG WENYUAN BUILDING MATERIALS TECH

Biological fixation type tibial prosthesis assembly

The utility model relates to a biological fixation type tibia prosthesis assembly, which comprises a prosthesis main body and an installation positioning plate, the prosthesis main body comprises a plate body, a stand column arranged on the plate body and a plurality of arc-shaped battens arranged around the stand column, and the stand column and the arc-shaped battens are used for being installed on the tibia; a stand column positioning hole and an arc-shaped batten positioning strip hole are formed in the installation positioning plate, the stand column positioning hole and the arc-shaped batten positioning strip hole are matched with the stand column and the arc-shaped batten in position and size respectively, and the installation positioning plate is used for holing positioning on the tibia. Compared with the prior art, damage to marrow is reduced, the integrity of a marrow cavity is kept, and therefore the influence on an immune system is reduced.
Owner:BEIJING AKEC MEDICAL