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24results about How to "Achieve relatively fixed" patented technology
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An oral mucosa modeling auxiliary scanning positioning device
The application relates to an oral mucosa modeling auxiliary scanning positioning device, and belongs to the technical field of denture modeling. The device solves the problem of inaccurate denture modeling caused by scanning deviation of the oral mucosa of a patient in the prior art. The oral mucosa modeling auxiliary scanning positioning device comprises a first positioning main body, a second positioning main body and a supporting structure, the supporting structure is supported between the first positioning main body and the second positioning main body, the first positioning main body and the second positioning main body are used for being sleeved outside the upper and lower alveolar ridge mucosa of a patient respectively, and the first positioning main body and the second positioning main body are respectively provided with a first positioning mark and a second positioning mark on the opposite sides. The application realizes the support of the oral cavity of the patient during oral mucosa scanning and provides a scanning positioning reference, and the accuracy of oral mucosa scanning of the patient is improved.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY
Low-resistance sound-attenuating enhanced composite glass fiber air pipe
This utility model discloses a low-resistance, sound-absorbing, enhanced composite fiberglass duct, comprising a duct body and a sound-absorbing inner tube. The duct body includes, from the inside out, a porous aluminum plate layer, a first fiberglass cloth layer, a glass fiber layer, a second fiberglass cloth layer, and an outer protective color steel layer. The surface of the porous aluminum plate layer has multiple equidistantly distributed strip-shaped grooves, and ventilation holes are provided on the inner walls of both sides of the strip-shaped grooves. The sound-absorbing inner tube includes two pairs of upper supports, two pairs of lower supports, a first sound-absorbing aluminum tube, a fiberglass ring, and a second sound-absorbing aluminum tube. By setting the strip-shaped grooves and ventilation holes, the contact area between the airflow and the porous aluminum plate layer can be increased, allowing the glass fiber layer to better absorb sound waves. By setting the sound-absorbing inner tube, sound waves will contact the second and first sound-absorbing aluminum tubes from both the inside and outside sides respectively. Finally, the fiberglass ring can further reduce noise. This utility model effectively improves the sound absorption and noise reduction effect when the wind speed is high or the noise level is high.
Owner:NANJING SOTON ENERGY SAVING ENGINEERING CO LTD
Mounting bracket and air conditioner
ActiveCN224065666Uachieve relatively fixedImprove installation convenienceLighting and heating apparatusSpace heating and ventilation detailsStructural engineeringMechanical engineering
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD
A stage lighting device specifically for stage use
ActiveCN224284358UDoes not affect lighting effectsNot easy to bumpLighting applicationsLighting support devicesStage lightingGravitational force
This utility model discloses a stage lighting device for stage use, relating to the field of lighting technology. It includes a base, a first support rod, a lamp body, a first support seat, and a protective cover located directly above the lamp body. An elastic support component connects the upper end of the first support seat to the base, and a second support rod is fixed between the protective cover and the first support seat. Through the coordinated arrangement of the first support seat, the protective cover, and the elastic support component, under normal use, the compression spring is compressed under the weight of the base, the first support rod, and the lamp body, and the protective cover is located directly above the lamp body, without affecting the lighting effect. When the device accidentally tips over, the gravitational force of the base, the first support rod, and the lamp body is insufficient to keep the compression spring compressed. The spring returns to its original position under its own elastic force, placing the lamp body inside the protective cover, thus preventing the lamp body from colliding with external objects and better protecting it.
Owner:BEIJING STAR MECHANICAL & ELECTRICAL EQUIP
A ladle nozzle seat brick lifting device and lifting method
This invention provides a lifting device and method for lifting steel ladle nozzle bricks, including a vertical shaft, a lifting ring, a support member, and a sliding member. The lifting ring is fixed to the top of the vertical shaft, and the support member is coaxially fixed to the bottom of the vertical shaft. The sliding member is coaxially slidably sleeved on the vertical shaft, and the sliding member can rotate around the central axis of the vertical shaft. Multiple vertically rotatable support legs are evenly distributed around the outer circumference of the sliding member. Multiple first receiving grooves for accommodating the support legs are evenly distributed around the outer circumference of the support member. When the support leg is located in the first receiving groove and the sliding member slides to the lowest position, the horizontal distance from the bottom of the support leg to the central axis of the vertical shaft is less than the minimum radius of the inner hole of the nozzle brick. When the support leg is removed from the first receiving groove and the sliding member slides to the lowest position, the horizontal distance from the bottom of the support leg to the central axis of the vertical shaft is greater than the minimum radius of the inner hole of the nozzle brick. The device of this invention has a simple structure and is easy to operate. Simply moving the support leg into or out of the first receiving groove switches the lifting device from the engaged state to the locked state, ensuring stable lifting.
Owner:SHANGHAI BAOSTEEL METALLURGICAL CONSTRUCTION CORP +1
Anti-rollover protection structure of constant-temperature wine cabinet
InactiveCN121817625APrevent accidental openingavoid damageCocktail cabinetsFeetStructural engineeringWine cooler
The invention discloses an anti-rollover protection structure of a constant-temperature wine cabinet. The anti-rollover protection structure comprises a cabinet body, the limiting mechanism comprises a rectangular groove formed in the lower end of the cabinet body, a lifting plate capable of ascending and descending is arranged in the rectangular groove, the lower end of the lifting plate is fixedly connected with a limiting base, rectangular sliding grooves are formed in the two sides of the limiting base correspondingly, and rectangular inserting strips capable of sliding are arranged in the two rectangular sliding grooves correspondingly; the device comprises a limiting seat, a trigger mechanism is arranged in the limiting seat, a mounting plate is mounted on the ground, two first vertical plates are symmetrically and fixedly connected to the upper end of the mounting plate, and rectangular openings are formed in the two first vertical plates. When the protection structure is used, the situation that the wine cabinet rolls over can be effectively avoided, the actual safety is improved, in addition, when the protection structure operates, the bottom of the wine cabinet can be completely sealed, and the situation that dust and impurities enter the bottom of the wine cabinet is avoided.
Owner:ANHUI YUJIA METAL TECH CO LTD
Three-dimensional posture corrector with wrist support
ActiveCN224403169UImprove use comfort performanceImprove posture effectivenessPhysical medicine and rehabilitationWrist support
The application discloses a three-dimensional posture corrector with wrist protection function, and belongs to the technical field of sitting posture correction. The three-dimensional posture corrector with wrist protection function comprises a writing board and a supporting piece. The writing board has an upwardly inclined writing surface. The supporting piece is arranged on the lower end surface of the writing board, the upper end surface of the supporting piece abuts against the writing board, and the lower end surface of the supporting piece is horizontally arranged. One end of the writing board is upwardly and obliquely extended, the other end of the writing board extends along a first direction and a second direction, and a transition surface is formed in the first direction and the second direction. The writing board comprises a supporting structure formed by the extension of the transition surface, and at least part of the lower end surface of the supporting structure is located on the same horizontal plane as the lower end surface of the supporting piece. The supporting structure is formed by the outward extension of the transition surface, and can be used for placing the wrist and / or the elbow, so as to improve the situation that the wrist or the elbow is suspended or pressed against the side edge of the writing board, improve the use comfort of the writing board, and improve the posture correction effect.
Owner:WUHAN CAMBRIDGE TREE TRADING CO LTD
Urinal
ActiveCN224106551Uquick disassemblyavoid secondary damageUrinalsStructural engineeringMechanical engineering
Owner:FOSHAN HEGII SANITARY WARES
A rear air spring assembly positioning structure and rear air spring assembly
ActiveCN224335417Uachieve relatively fixedGuaranteed to be relatively fixedResilient suspensionsAir springPhysics
The utility model discloses a rear air spring assembly positioning structure, including the rotation cover and rear air spring main body that can rotate oppositely, the rotation cover is detachable fixed with rear air spring main body through at least one positioning pin, and the positioning pin one end can be inserted into the rotation cover circumference, and the positioning pin other end can be inserted into the air cock on rear air spring main body. In the utility model, through the setting of positioning pin, the positioning pin one end can be matched with the rotation cover's circumference gap, and the other end of positioning pin is inserted with the air cock, thereby can realize the relative fixation of rotation cover and rear air spring main body, guarantees the relative fixation of the upper installation mouth on the rotation cover and rear air spring main body upper and lower installation mouth when rear air spring assembly is assembled with whole vehicle, thereby has met the assembly demand of rear air spring assembly and whole vehicle.
Owner:SHANGHAI BAOLONG AUTOMOTIVE TECH (ANHUI) CO LTD
Rope bridge building fixer
ActiveCN224259208Ueasy to moveFixed connection is firmSuspension bridgeBridge erection/assemblyArchitectural engineeringMaterial resources
The utility model discloses a rope bridge building fixer, which relates to the technical field of rope bridge building and comprises a fixing plate, a ground nail is arranged on the fixing plate in a penetrating manner through a first fixing hole, an eyebolt is further arranged on the fixing plate in a penetrating manner through a second fixing hole, and the eyebolt is fixed through a fastening nut. And a reinforcing mechanism is arranged on the inner side of each group of eyebolts. The rope bridge building fixator is small, light and convenient to carry and move, consumption of manpower and material resources is reduced, a rope bridge bearing cable can be stably fixed to the grounds of the two banks through matched arrangement of the fixing plate, the ground nails and the eyebolts, the fixing position of the bearing cable can be conveniently transferred and adjusted, and the use flexibility is effectively improved; and through the arrangement of the reinforcing assembly, the connection of the eyebolt and the fixing plate can be reinforced in an auxiliary mode through the insertion connection of the insertion rod and the insertion hole, and then the fixing effect on the end face of the bearing cable is enhanced.
Owner:RUILI CITY FIRE RESCUE BRIGADE (RUILI CITY FIRE RESCUE BUREAU)
Multi-pole radial magnetic ring die
ActiveCN224123241Ureduce crackingImprove pass rateInductances/transformers/magnets manufactureShielding blockMagnetic poles
The utility model relates to the technical field of magnet preparation molds, and discloses a multi-pole radial magnetic ring mold, which comprises a sleeve body, a plurality of radial magnetic rings and a plurality of radial magnetic rings, the multiple magnet structures are arranged on the outer side of the sleeve body, and the multiple magnet structures are distributed in the circumferential direction of the sleeve body at intervals; the shielding blocks are arranged on the outer side of the sleeve body, the number of the shielding blocks is equal to that of the magnet structures, and each shielding block is located between every two adjacent magnet structures. The magnet structures are arranged on the outer side of the sleeve body, the magnet structures generate an external orientation magnetic field, the magnet ring is oriented in the forming process of the magnet ring, the magnet structures are distributed in the circumferential direction of the sleeve body at intervals so that the magnet ring can be of a multi-pole radial structure, and one shielding block is arranged between every two adjacent magnet structures so that the trend of the magnetic field can be changed; the interference of a magnetic field on a concave mold cavity is reduced, so that the orientation force at the joint of two adjacent magnetic poles on the magnetic ring is reduced, the influence on a formed blank is reduced, and the phenomenon that the sintered magnetic ring cracks is reduced.
Owner:HENGDIAN GRP DMEGC MAGNETICS CO LTD +1
Inclined drilling machine tool
PendingCN121820726Aadjustable angleEasy to adjustLarge fixed membersPositioning apparatusMachineMachine tool
The invention discloses an inclined drilling machine tool, and belongs to the technical field of drilling equipment. Comprising a machine body, the machine body is a radial drilling machine and comprises a base, a lifting rotating mechanism and a transverse sliding mechanism, a jig mechanism is arranged on the upper side of the bottom of the base and comprises an adjusting device and a clamping assembly, the adjusting device comprises an inclined assembly and a rotating assembly, the inclined assembly comprises a stand column, a ball, a sleeve shell and a supporting disc, and the rotating assembly is arranged on the bottom side of the supporting disc; the clamping assembly is arranged at the top of the sleeve shell, the rotation assembly comprises three telescopic cylinders, a ring body and a driving part, balls are embedded in the top ends of the telescopic cylinders in a rolling mode, and a limiting mechanism is arranged on the sleeve shell and used for limiting the relative positions of the sleeve shell and the ball. The problems that when inclined hole machining operation is carried out, the clamping angle of a workpiece and a jig mechanism needs to be adjusted, operation is troublesome, clamping is not firm easily when a clamping part of the workpiece is replaced, and the precision of punching operation is affected are effectively solved.
Owner:YANTAI PANTAI CNC TECH CO LTD
Adjustable harvesting structure of Chinese chive harvesting machine
ActiveCN224098258UAdjustable harvesting heightprevent fallingHarvestersAgricultural lifting devicesAgricultural engineeringFarm machine
The utility model discloses an adjustable harvesting structure of a Chinese chive harvesting machine, which belongs to the technical field of agricultural equipment and comprises a rack, the rack is arranged on a chassis structure, a grain lifting shell is arranged at the front end of the rack, two transverse shafts are arranged at the rear end of the rack, and two vertical shafts are arranged at the front end of the rack. One transverse shaft and one corresponding vertical shaft form a conveying belt shaft set, the two conveying belt shaft sets form a leek conveying channel, a harvesting wheel is arranged below the front end of the leek conveying channel, an inclined height adjusting structure is arranged between a front wheel of the chassis structure and the chassis structure, and a connecting box is arranged between the grain lifting shell and the front end of the rack. A grain lifting horizontal adjusting structure used for keeping the bottom of the grain lifting shell in a horizontal state is arranged between the grain lifting shell and the connecting box. According to the utility model, the integral height adjustment is adopted to replace the distributed cutter group adjustment, the harvesting wheel is good in operation stability, and the adjustable grain lifter structure is arranged, so that the adaptation of the adjustable Chinese chive harvesting height and the corresponding adjustable grain lifter is realized.
Owner:聊城大学东昌学院
A pipe assembly that is easy to disassemble
ActiveCN224397364Uachieve relatively fixedImprove operation and maintenance efficiencySleeve/socket jointsButt jointPipe
The application discloses a pipeline assembly convenient to disassemble and assemble, which comprises a first pipeline, a second pipeline which is arranged in butt joint with the first pipeline, a shell and at least two locking members; the shell is movably arranged on the peripheral wall of the first pipeline and is switched between a first position and a second position along the axial direction of the first pipeline; when the shell is located at the first position, the end of the shell close to the second pipeline is in the same plane with the end of the first pipeline close to the second pipeline; when the shell is located at the second position, a part of the shell is sleeved on the peripheral wall of the first pipeline and another part of the shell is sleeved on the peripheral wall of the second pipeline, the first pipeline and the second pipeline are communicated, and the shell is sealingly connected with the first pipeline and the second pipeline; at least one locking member locks the shell and the first pipeline, and at least one locking member locks the shell and the second pipeline. The pipeline maintenance can be realized in a narrow space, the operation is simple and convenient, and the operation and maintenance efficiency of the pipeline is improved.
Owner:SHENZHEN ENVICOOL SMART CONNECTION TECH CO LTD
A double head support
ActiveCN224343463Uachieve relatively fixedreduce in quantityCircuit arrangements on support structuresFriction grip releasable fasteningsStructural engineeringMechanical engineering
Owner:YUEQING HUIHUA ELECTRONICS
A universal charging base
ActiveCN224588941Uachieve relatively fixedMeet assembly requirements
This utility model belongs to the field of charging system technology and proposes a universal charging base, including a base body. The base body is fitted with a fast charging end and a slow charging end. The fast charging end connects to a docking plate. Two through-tubes are provided on the other side of the docking plate. Each through-tube has an internal mounting cavity containing a snap-fit piece. Mounting holes are formed on the side walls of the mounting cavities, and bolts are slidably fitted into these holes. The bolts pass through the snap-fit pieces and connect to the inner wall of the mounting cavities. A tail end cap is fitted onto the end of each through-tube. The slow charging end connects to a slow charging socket. A tail end sleeve is fitted onto the other end of the slow charging socket. The inner cavity of the slow charging socket has multiple power plugs, and the inner cavity of the tail end sleeve has multiple docking slots. This universal charging base proposes inserting a snap-fit piece with a DC cable into the mounting cavity and using bolts to fix the snap-fit piece to the through-tube. A tail end sleeve with a slow charging AC cable is fitted onto the slow charging socket. The specifications of the base body, fast charging end, slow charging end, docking plate, through-tubes, and slow charging socket are standardized.
Owner:CHERY AUTOMOBILE CO LTD
Cable pay-off device for electric power engineering construction
ActiveCN224105242UEasy to pushDispersed force conditionsFilament handlingPower engineeringControl theory
The utility model relates to the technical field of cable laying, in particular to a cable pay-off device for electric power engineering construction, which comprises a chassis, a pressure bearing, a rotating disc, a guide wheel and rollers, the rollers are connected to the chassis, the rollers are distributed at intervals in the circumferential direction of the chassis, the rotating disc is rotatably connected to the chassis, and the rotating axis of the rotating disc is vertical. The pressure bearing is connected between the chassis and the rotating disc, the guide wheels are connected to the rotating disc, the rotating axes of the guide wheels and the rotating axis of the rotating disc are coplanar, the outer walls of the guide wheels abut against the surface of the side, facing the rotating disc, of the chassis, and the guide wheels are circumferentially distributed around the rotating axis of the rotating disc at intervals. The rotating disc and the base plate are rotationally connected through the pressure bearing, the guide wheels are arranged, sliding friction between the rotating disc and the base plate is converted into rolling friction, the stress condition between the rotating disc and the base plate is dispersed, the service life of the cable pay-off device is prolonged, the rollers are connected to the base plate, movement of the cable pay-off device is achieved, and the service life of the cable pay-off device is prolonged. And the convenience of the cable pay-off device is improved.
Owner:SUZHOU SHANGDIAN ZHONGTIAN ELECTRIC POWER DEV CO LTD
Light guide structure of optical coupler
The utility model relates to the technical field of optical couplers, in particular to a light guide structure of an optical coupler. According to the technical scheme of the utility model, the light guide member used for guiding the light emitted by the IR chip to the light-sensitive surface of the PT chip is arranged between the PT chip and the IR chip, so that part of the light emitted by the IR chip can be efficiently guided to the light-sensitive surface of the PT chip, and the efficiency of transmitting the light of the IR chip to the light-sensitive surface of the PT chip as a whole can be improved. The stability of optical signal transmission between the PT chip and the IR chip is ensured, the light guide piece is a rigid transparent body with two fixed ends, and the surface of the light guide piece is coated with a layer of titanium dioxide as a first reflecting layer, so that guide propagation of light can be realized, relative fixation of the PT chip and the IR chip can also be realized, and the stability of optical signal transmission between the PT chip and the IR chip is ensured. The yield of the product in the production process is improved; the planar optical coupler solves the problem that an existing planar optical coupler is low in optical signal transmission efficiency in the optical signal transmission process.
Owner:苏州泓冠半导体有限公司
Architecture of arena
ActiveCN224126525URemove spacing restrictionsachieve relatively fixedSki bindingsGymnasiumStructural engineeringMechanical engineering
Owner:SHEN ZHEN JINJIE HARDWARE & PLASTIC CO LTD
A fixing structure for the internal electrode of an excimer lamp
ActiveCN224288248Uavoid deformationachieve relatively fixedElectric discharge lampsMechanical engineeringExcimer lamp
This utility model relates to the field of excimer lamp technology and discloses a fixing structure for the inner electrode of an excimer lamp, including a lamp tube, a support tube, an inner electrode, and a fixing assembly. The support tube is coaxially disposed inside the lamp tube, and the inner electrode is sleeved on the support tube. The fixing assembly includes a mounting cylinder, a connecting cylinder, and a connecting rod. The mounting cylinder is sleeved on the inner electrode, and the connecting cylinder is fixed to the side of the mounting cylinder. Multiple connecting cylinders are provided and arranged along the outer periphery of the mounting cylinder. A connecting rod is inserted into the connecting cylinder, one end of the connecting rod extends out of the connecting cylinder and is fused to the inner side of the lamp tube, and the other end of the connecting rod has a gap with the outer side of the support tube. In this utility model, the lamp tube is supported and fixed by the fixing assembly to the inner electrode and the support tube. Since there is a gap between the end of the connecting rod away from the lamp tube and the mounting cylinder, when the connecting rod expands and contracts due to temperature changes, it will not affect the support tube, thereby preventing the support tube and the lamp tube from cracking due to the thermal expansion and contraction of the connecting rod.
Owner:GMY LIGHTING TECH CO LTD
Control system for equipment debugging
ActiveCN224096146UEasy to installachieve relatively fixedProgramme controlComputer controlControl systemDrive shaft
The utility model discloses a control system for equipment debugging, which can replace a torque wrench to execute driving work during equipment debugging, and is convenient, labor-saving and accurate in control. The control system for equipment debugging comprises an operation box, a touch control all-in-one machine, a debugging motor, an adapter shaft and a fixing sleeve. A PLC is arranged in the operation box, one side face and the bottom face of the operation box are communicated to form a receding groove, and the receding groove is used for containing an auxiliary transmission shaft of equipment to be debugged. Locking strips are arranged on the two sides of the receding groove and used for locking the operation box on the equipment to be debugged. The touch control all-in-one machine is arranged on the front surface of the operation box, is in signal connection with the PLC and is used for displaying an operation panel and debugging parameters; the debugging motor is installed on the upper surface of the operation box, and a motor rotating shaft penetrates downwards into the receding groove. The lower end of the motor rotating shaft is detachably connected with an adapter shaft, and the adapter shaft is used for driving the auxiliary transmission shaft; and the fixing sleeve sleeves the peripheral surface of the adapter shaft and is used for fixing the upper end part of the auxiliary transmission shaft.
Owner:XIAMEN SERVO DOCTOR TECHNOLOGY CO LTD
A flexible pressure sensor sensitive layer preparation device
PendingCN122253543AAutomate preparation workAchieve secondary printingRotary intaglio printing pressForce measurementStructural engineeringForce sensor
The application discloses a flexible pressure sensor sensitive layer preparation device, and belongs to the technical field of pressure sensor sensitive layer preparation, which comprises a mounting frame, traction rollers and a moving frame arranged on the mounting frame, and a second driving mechanism is arranged between the moving frame and the bottom plate of the mounting frame; a plate roller mounting plate is arranged on the moving frame, a third driving mechanism is arranged between the moving frame and the plate roller mounting plate, a plate roller is arranged on the plate roller mounting plate, and the plate roller is provided with a fourth driving mechanism at one end. The plate roller mounting plate and the moving frame are arranged below the traction rollers, so that the plate roller on the plate roller mounting plate can move along a first direction through the moving frame, the plate roller can move along a second direction through the plate roller mounting plate, and the moving frame can adjust the distance between the plate roller and the traction rollers, so as to adjust the pressure of the plate roller on the base material and realize the preparation of sensitive layers with different preparation requirements.
Owner:WUHAN HUAWEIKE INTELLIGENT TECH
Modular tooling for simulated crash testing
PendingCN122084287Aachieve relatively fixedImprove Crash Test EfficiencyVehicle testingShock testingElectrical batteryStructural engineering
This application relates to a modular tooling for simulated crash testing. The modular tooling includes a slide, a fixed top block, a movable fixing mechanism, a fixing element, and a mounting base. The fixed top block is fixed to the upper surface of the slide. The movable fixing mechanism includes a fixed base, an adjusting element, and a movable top block. The fixed base is fixed to the upper surface of the slide, and the adjusting element is connected to both the fixed base and the movable top block. The fixed base adjusts the distance between the movable top block and the fixed top block via the adjusting element. The movable top block is detachably fixed to the slide via the fixing element. The mounting base is sandwiched between the fixed top block and the movable top block and is used to mount a vehicle body or battery. The solution provided in this application improves the efficiency of mounting base assembly and disassembly.
Owner:CATARC AUTOMOTIVE TEST CENT (GUANGZHOU) CO LTD
signal tower
ActiveCN115419310Bguaranteed fixed effectachieve relatively fixedTowersIncline measurementTowerMechanical engineering
The application relates to a signal tower which has a tower pole and a base. The base comprises a burying disc, a pressing disc, a fixing assembly and a plurality of detection assemblies. The pressing disc is arranged above the burying disc at intervals. The fixing assembly is arranged on the burying disc, the tower pole is installed on the fixing assembly, the tower pole is pressed against the pressing disc, and the pressing disc is moved downward to press against the burying disc. The detection assembly is used for detecting the distance between each detection point on the abutting surface of the tower pole and the upper surface of the pressing disc when the tower pole is pressed against the pressing disc. The signal tower of the application can realize the relative fixation of the tower pole and the burying disc by arranging the burying disc, the driving assembly and the tower pole, and the pressing disc arranged between the tower pole and the burying disc can further ensure the fixation effect of the base and the tower pole. Moreover, by arranging the plurality of detection assemblies, the distance between each detection point on the abutting surface of the tower pole and the upper surface of the pressing disc can be detected to determine the fixation effect of the tower pole and the base, and then the verticality of the tower pole can be judged.
Owner:HANGXIAO STEEL STRUCTURE