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32results about How to "Implement the installation operation" patented technology

Blade hoisting device and blade hoisting system

ActiveCN108147267ASimplify the assembly processReduce assembly difficulty and assembly costLoad-engaging elementsImpellerEngineering
The invention provides a blade hoisting device and a blade hoisting system. The blade hoisting device comprises a bearing main body and a blade sucking device. The blade sucking device comprises a keeping component and a sucking connecting piece. The keeping component is connected with the bearing main body, the sucking connecting piece is arranged on the side, away from the bearing main body, ofthe keeping component, and the blade sucking device can suck blades to be assembled through sucking force produced by the sucking connecting piece. The impeller assembling process can be simplified, the assembling difficulty and cost can be reduced, and meanwhile impeller assembling efficiency is improved.
Owner:JIANGSU GOLDWIND SCI & TECH CO LTD

Micro-hemispherical resonator gyro structure, assembly method and wafer fixture

The invention relates to a micro-hemispherical resonator gyro structure, an assembly method and a wafer fixture. The invention discloses a micro-hemispherical resonator gyro structure wafer level assembly method, comprising the following steps: performing high temperature softening deformation machining and forming on independently manufactured glass sheets, then forming a micro-hemispherical resonant structures in the middle of each glass sheet, cutting glass sheet locating holes at the two ends of each glass sheet by adopting laser cutting, and by taking the locating holes as a benchmark, aligning multiple micro-hemispherical resonant structures which are the same and fixing the same micro-hemispherical resonant structures on the wafer fixture; and then performing operations by taking the wafer fixture as a unit, and completing subsequent processes, namely micro-hemispherical resonant structure releasing, surface metallization, fixation with a planar electrode, separation from the wafer fixture as well as cleaning, thus the micro-hemispherical resonator gyro structure driven by the planar electrode at the bottom is obtained. The micro-hemispherical resonator gyro structure waferlevel assembly method disclosed by the invention fixes and mounts multiple independently manufactured micro-hemispherical resonant structures on the same wafer fixture, a wafer level mounting operation is realized, an assembly error of the micro-hemispherical resonator gyro structure can be obviously reduced, stability and consistency of the processes as well as assembly efficiency are improved.
Owner:NAT UNIV OF DEFENSE TECH

Thrust sliding bearing

A thrust sliding bearing (1) is provided with a synthetic resin upper case (100), a synthetic resin lower case (200), and a synthetic resin thrust sliding bearing piece (300) which is provided between the upper case (100) and the lower case (200). The thrust sliding bearing piece (300) is provided with: an inner annular groove (306) and an outer annular groove (307), which are formed in the upper surface (304) so as to extend along the circumferential direction (R) and so as to be coaxial with each other in an inside / outside relationship in the radial direction (X); and a lubricating oil agent such as grease which is fully filled into both the inner circular groove (306) and the outer annular groove (307) with no space left unfilled.
Owner:OILES CORP

Clamping device and method used for guaranteeing equality of extension lengths of two ends of through bolt

The invention provides a clamping device and method used for guaranteeing equality of the extension lengths of the two ends of a through bolt. The clamping device and method mainly solve the problem that the extension lengths of the two ends of a through bolt are not equal when the through bolt is mounted manually. The clamping device comprises a magnetic base and a shell, wherein the magnetic base can be attracted to a flange, and the shell is perpendicularly arranged on the base; the shell is internally provided with a first cavity communicated with a through hole in the base, and the two opposite side faces of the shell are symmetrically provided with a first slot hole and a second slot hole; a ruler is arranged at one side of the first slot hole in the shell, and the zero graduation line of the ruler is flush with the bottom face of the base; the first cavity is internally provided with a first V-shaped block and a second V-shaped block which are provided with opposite openings; a threaded rod capable of rotating along the second slot hole is arranged at one side of the second slot hole; the part, on the outer side of the second slot hole, of the threaded hole is provided with a movable nut; the threaded rod is rotated, the first V-shaped block moves towards the second V-shaped block and clamps the through bolt, and the position of the threaded rod is fixed through the movable nut. The clamping device is simple in structure, convenient to use and capable of effectively guaranteeing the equality of the extension lengths of the two ends of the through bolt.
Owner:STATE GRID CORP OF CHINA +1

Safety device for steel structure building engineering construction site

The invention discloses a safety device for a steel structure building engineering construction site, and belongs to the field of building engineering.The safety device comprises a fixed frame, a threaded sliding block, a limiting guide column, a limiting groove, a lifting roller and a vertical sliding groove, and the inner wall of the fixed frame is fixedly connected with a working screw used for driving the threaded sliding block to slide horizontally; the side wall of the threaded sliding block is connected with a working connecting rod in a screwed mode, the working connecting rod is used for driving the limiting guide column to slide along the limiting groove, and the top end of the working connecting rod is connected with a lifting table in a screwed mode, and the lifting table is used for driving the lifting rolling wheel to vertically slide along the vertical sliding groove. The sliding guide block slides to drive the rotating main plate to rotate through the driven hole groove, so that the rotating main plate rotates to drive the protection plate to slide along the outer wall of the workbench through the lifting groove hole, meanwhile, the rotating main plate rotates to drive the lifting guide column to slide along the inner wall of the lifting hole groove through the rotating auxiliary plate, and protection operation of operation at different heights is achieved.
Owner:青岛工学院

Quantitative feeding device for processing feed additive for promoting reproduction of laying fowls

The invention discloses a quantitative feeding device for processing feed additive for promoting reproduction of laying fowls. The device comprises a feeding port, a feed bin body, a discharging port and a material guide roller, the feeding port is formed at the top end of the feed bin body, the discharging port is formed at the bottom end of the feed bin body, the material guide roller is connected to the middle of the interior of the feed bin body, a second placing plate is mounted in the middle of the outer wall of the feed bin body, a second driving motor is placed at the top end of the second placing plate, a mounting plate at the bottom of the discharging port is mounted in required equipment, then the equipment is used for quantitative feeding operation, the mounting plate is clamped into a certain position through a limiting protruding block on the mounting plate, after placement, the mounting plate is fastened and fixed through fixing bolts at the four corners of the mounting plate, so that the mounting plate and the equipment needing to be fixed are connected in a fastening manner, mounting operation is achieved, and only the fixing bolts need to be loosened during dismounting.
Owner:HENAN JINERKANG BIOTECH CO LTD

Wind speed alarm system device of ventilation cabinet

PendingCN111530880ALong-term normal working conditionPrevent easy looseningDirt cleaningAlarmsVentilation ductStructural engineering
The invention discloses a wind speed alarm system device of a ventilation cabinet. The device comprises a connecting column and a connecting base, wherein the connecting base is installed at the upperend of the connecting column, a wind speed monitoring host is arranged at the upper end of the connecting base, an auxiliary mounting and reinforcing device is connected to the outer portion of the circumference of the center of the connecting column in a sleeving mode, and the novel auxiliary mounting and reinforcing device is additionally arranged outside the circumference of the center of theconnecting column of the wind speed alarm system device of the ventilation cabinet, so that the novel auxiliary mounting and reinforcing device can play an auxiliary mounting role when the wind speedmonitoring host is mounted in a ventilation pipeline of the ventilation cabinet, after the wind speed monitoring device is mounted in the ventilation pipeline, the auxiliary mounting and reinforcing device can also play a role in reinforcing the mounted wind speed monitoring device through the outward tightening pressure generated by the auxiliary mounting and reinforcing device, and in this way,the auxiliary mounting and reinforcing device can generate auxiliary mounting and auxiliary reinforcing effects on the wind speed monitoring device when and after the wind speed monitoring device is mounted.
Owner:江苏大橡木集团有限公司

Seal ring installation device and method

The invention relates to the technical field of press fitting, and discloses a seal ring installation device. The seal ring installation device includes an installation main body, a height regulatingunit and a lock nut, a seal ring can be arranged in a seal ring installing groove in a press fitting mode through the installation main body, and the periphery surface of the installation main body isprovided with an external thread; the height regulating unit is located below the installation main body, the height regulating unit includes a regulating sleeve, and a thread of the regulating sleeve is connected to the periphery surface of the installation main body; and a thread of the lock nut is connected to the periphery surface of the installation main body, and the end face of one end ofthe lock nut abuts against the end face of one end of the regulating sleeve. The height of the seal ring installation device can be regulated through the height regulating unit to be matched with sealring installing grooves with various heights, and the installing operations of the seal rings with various heights can be achieved. The invention further discloses an installation method adopting theseal ring installation device, a plurality of seal rings can be stored at a time, and continuous, multiple and ceaseless installing operations can be achieved.
Owner:WEICHAI POWER CO LTD

Installation structure of composite natural stone material panel and composite natural stone material wall surface system

The invention provides an installation structure of a composite natural stone material panel and a composite natural stone material wall surface system. The installation structure comprises a wall body connecting part and a panel connecting part, wherein the wall body connecting part comprises a first fixing part connected with a wall body and a second fixing part connected with the panel connecting part; the panel connecting part comprises a first bent part connected with the panel and a second bent part connected with the second fixing part. By adopting the installation structure, the working amount of installation can be greatly reduced, the time efficiency is high and an installation space is saved; furthermore, the connecting strength and the bearing capability of the installation structure can be further enhanced and the installation structure is stressed more uniformly, so that the composite natural stone material panel does not easily loosen or slide off and is not easily broken, and the safety performance is improved; therefore, the installation structure is especially suitable for integrally and rapidly installing the large composite natural stone material panel, and theaesthetic feeling formed by textures of the composite natural stone material panel can be displayed better; the decoration effect is improved and the installation cost can be reduced.
Owner:SHENZHEN MAKISH STONE GATHER TECHNOLOG ENG CO LTD

Blade Lifting Equipment and Blade Lifting Systems

The invention provides a blade hoisting device and a blade hoisting system. The blade hoisting device comprises a bearing main body and a blade sucking device. The blade sucking device comprises a keeping component and a sucking connecting piece. The keeping component is connected with the bearing main body, the sucking connecting piece is arranged on the side, away from the bearing main body, ofthe keeping component, and the blade sucking device can suck blades to be assembled through sucking force produced by the sucking connecting piece. The impeller assembling process can be simplified, the assembling difficulty and cost can be reduced, and meanwhile impeller assembling efficiency is improved.
Owner:JIANGSU GOLDWIND SCI & TECH CO LTD

Universal wheel dismounting and mounting tool for swivel chair

The invention discloses a universal wheel dismounting and mounting tool for a swivel chair. When a heavy hammer slides upwards until the heavy hammer contacts a retaining ring, the impact force generated by the heavy hammer causes a sliding rod to move upwards relative to a swing rod instantaneously, and thus a universal wheel dismounting mechanism is driven to dismount the universal wheel from aplug II of a plug rod; when the heavy hammer slides upward to contact with the retaining ring, the impact force generated by the heavy hammer causes the sliding rod to move up relative to the swing rod instantaneously, and thus the plug rod dismounting mechanism is driven to pull the plug II of the plug rod out of a mounting hole; after that, the plug rod dismounting mechanism is dismounted, and auniversal wheel pressing mounting mechanism is dismounted; the plug I end of the plug rod on a new universal wheel is inserted into a mounting hole of a corresponding wheel seat rod, and the universal wheel pressing mechanism is utilized to apply downward pressure to the universal wheel, so that the plug I is completely inserted into the mounting hole, and the mounting operation of the new universal wheel is realized. The whole process is convenient and reliable and does not cause human body damage, and meanwhile, the universal wheel is mounted through a pressing mode, so that the damage of plastic universal wheels can be effectively prevented.
Owner:SHANDONG TRANSPORT VOCATIONAL COLLEGE

Wind power monitoring equipment for constructional engineering tower crane and using method

The invention discloses wind power monitoring equipment for a constructional engineering tower crane and a using method, and belongs to the technical field of building construction auxiliary equipment. The wind power monitoring equipment for the constructional engineering tower crane comprises a mounting bottom plate, wherein a clamping plate is arranged on the side wall of the mounting bottom plate, and an unfolding mechanism is welded to the end, away from the mounting bottom plate, of the clamping plate. According to the wind power monitoring equipment for the constructional engineering tower crane and the using method, by arranging a telescopic clamping block, in a dismounting mechanism, a dismounting button rod moves to drive a working hole plate to move, the working hole plate moves to drive a guide column to slide along a limiting rod through two sets of guide sliding grooves, the guide column drives the telescopic clamping block to move through a working spring, and the sliding length of the telescopic clamping block is equal to the vertical width of the guide sliding groove, thus accurate control over movement of the telescopic clamping block is facilitated, a clamping groove in the bottom end of a protection frame can be conveniently matched with the telescopic clamping block, and assembling operation of the protection frame is achieved.
Owner:何珍

Efficient gas filling machine and using method

The invention discloses an efficient gas filling machine and a using method. The efficient gas filling machine comprises a main machine and a vertical groove. According to the efficient gas filling machine and the using method, by arranging a movable frame, a proper number of circular ring plates can be movably connected into the rectangular frame according to actual needs to fix nozzles of the filling machine, mounting operation of the multiple nozzles of the filling machine can be achieved, and the use efficiency of the filling machine can be effectively improved; by arranging the circular ring plates, the nozzle with the proper diameter is inserted into the corresponding circular ring plate, and a second arc-shaped plate moves in an arc-shaped groove in a first arc-shaped plate so thatthe nozzles can be firmly fixed by the first arc-shaped plate and the second arc-shaped plate, the nozzles with different diameters can be conveniently fixed, and later canning use operation is facilitated. The efficient gas filling machine and the using method have the advantages of being high in working efficiency and convenient to operate.
Owner:湖北金贝壳科技有限公司

Fire hydrant box door piece mounting mechanism and production mode and mounting mode thereof

The invention relates to the technical field of fire-fighting mounting boxes, and discloses a fire hydrant box door piece mounting mechanism which comprises a box body and a mounting frame, four edgefold strips arranged in the front face of the box body form a frame body, two cutting grooves are formed in the front faces of the edgefold strips, connecting strips are arranged in the cutting grooves, and round grooves are formed in the connecting strips; and the frame body is in lap joint with one side of the mounting frame, and one side of each connecting strip is in lap joint with the outer side of the mounting frame. When a door piece of a fire hydrant box is installed, installation is convenient, it is only required to fold up the connecting strips from the cutting grooves and enabling the mounting frame to be in lap joint with one side of each connecting strip, and the eight connecting strips in all are in lap joint with the outer side of the installation frame. Therefore, the connecting strips are fixed in the outer side of the mounting frame through the screws, the mounting of the mounting frame can be quickly realized, the mounting space is large, operation in the box body isnot needed, the operation efficiency is improved, the time is saved, and meanwhile, operation of an operator is facilitated.
Owner:安徽向阳消防安全科技有限公司

A wrench capable of controlling the protruding length of a core-through bolt

ActiveCN104723250BSolve the problem of unequal lengthStick out the same lengthSpannersWrenchesEngineeringScrew thread
A spanner capable of controlling the extension lengths of a through bolt mainly solves the problem of the prior art that the through bolt is installed manually, and therefore the extension lengths of the two ends of the through bolt are different. The spanner comprises a spanner body, a nut clamping sleeve and a positioning mechanism, wherein the nut clamping sleeve is embedded in the spanner body, a second stepped hole used for clamping a nut is formed in the center of the nut clamping sleeve, the positioning mechanism is arranged on the end face of the side, provided with steps, of the head of the spanner body and comprises a positioning plate, a fastening screw and a positioning sliding block, a slotted hole is formed in the middle of the positioning plate, a scale plate is arranged on one side of the positioning plate, the zero graduation line of the scale plate is flush with the end face of the non-stepped side of the head of the spanner body, the fastening screw and the positioning sliding block are located on the two sides of the slotted hole and are in threaded connection, and sliding and locking of the positioning sliding block can be achieved by rotating the fastening screw. By the adoption of the spanner, the extension lengths of the two ends of the through bolt can be controlled accurately during installation.
Owner:STATE GRID CORP OF CHINA +1

Seal structure

A seal structure comprises a heat dissipation component and a wire connection component. The heat dissipation component comprises a heat radiator and a mounting cover, the mounting cover is fixed to the heat radiator, the mounting cover and the heat radiator jointly form a power source mounting cavity, and the mounting cover is provided with a screw joint hole communicated with the power source mounting cavity. The wire connection component comprises a wire connection sleeve, a screw joint portion and a seal retaining portion. The screw joint portion and the seal retaining portion externally sleeve the wire connection sleeve, the screw joint portion is in screw joint with the screw joint hole, the seal retaining portion is abutted against the outer side wall of the mounting cover, the wireconnection sleeve is provided with a wire connection hole communicated with the power source mounting cavity, and the hole diameter of one end of the wire connection hole is larger than that of the other end of the wire connection hole. Therefore, a whole interference wire connection operation can be completed simply, conveniently and quickly.
Owner:宣智东

A sealing ring installation device and installation method

The invention relates to the technical field of press fitting, and discloses a seal ring installation device. The seal ring installation device includes an installation main body, a height regulatingunit and a lock nut, a seal ring can be arranged in a seal ring installing groove in a press fitting mode through the installation main body, and the periphery surface of the installation main body isprovided with an external thread; the height regulating unit is located below the installation main body, the height regulating unit includes a regulating sleeve, and a thread of the regulating sleeve is connected to the periphery surface of the installation main body; and a thread of the lock nut is connected to the periphery surface of the installation main body, and the end face of one end ofthe lock nut abuts against the end face of one end of the regulating sleeve. The height of the seal ring installation device can be regulated through the height regulating unit to be matched with sealring installing grooves with various heights, and the installing operations of the seal rings with various heights can be achieved. The invention further discloses an installation method adopting theseal ring installation device, a plurality of seal rings can be stored at a time, and continuous, multiple and ceaseless installing operations can be achieved.
Owner:WEICHAI POWER CO LTD

Network terminal communication connector

A network terminal communication connector disclosed by the present invention comprises a main body and a pressing mechanism, a pull rod penetrates through the outer wall of the main body, the outer wall of the pull rod is located in the main body and is fixedly connected with a connecting pore plate, and the outer wall of the connecting pore plate is movably connected with a supporting swing rod screwed with the pressing mechanism. According to the network terminal communication connector, the clamping block is arranged, in the clamping mechanism, the return spring works to drive the connection push plate to slide, and the connection push plate is driven to slide, so that the connection push plate is driven to slide, and the connection push plate is driven to slide, so that the connection push plate is driven to slide, and the connection push plate is driven to slide. The connecting push plate moves to drive the two working rotating rods to rotate relatively through the two supporting rods, the working rotating rods rotate to drive the sliding blocks to slide along the inner wall of the main body through the sliding hole plates, so that the two clamping blocks fixed to the outer walls of the clamping rods are driven to slide synchronously, and the clamping blocks abut against the side wall of the male end. And clamping operation on the two sides of the male end is achieved.
Owner:石超

Prestressed anchor bolt mounting structure and mounting method

The invention provides a prestressed anchor bolt mounting structure and a mounting method. A first through hole is formed in a lower anchor plate, then a threaded sleeve is mounted on the lower anchor plate through a bottom bolt, and the threaded sleeve can be connected with an anchor bolt at the same time. Through the arrangement mode, the mounting operation of the anchor bolt is achieved, and meanwhile the situation that damage is caused to the lower anchor plate when the anchor bolt is connected on the lower anchor plate in a welding mode, and then adverse effects are caused to the overall structure in the prior art can be avoided; at the same time, by arranging the threaded sleeve, the situation that concrete enters the first through hole of the lower anchor plate can be prevented, and therefore sealing treatment does not need to be conducted on gaps during concrete pouring; more importantly, as the threaded sleeve completely enters the concrete after being poured, the bottom bolt is as strong as the anchor bolt at the moment, so that the broken position of the anchor bolt is ensured to be in the threaded sleeve or above the threaded sleeve, and replacement of the anchor bolt is facilitated at the moment.
Owner:HUADIAN HEAVY IND CO LTD

Seamless steel tube with interior convenient to clean

The invention relates to the technical field of seamless steel tubes, in particular to a seamless steel tube with the interior convenient to clean. The seamless steel tube comprises a device body, wherein the device body comprises a tube body, a first fixed plate and a second fixed plate; the first fixed plate is arranged at one side of the tube body; the second fixed plate is arranged at the side, away from the first fixed plate, of the tube body; a cleaning mechanism is arranged between the first fixed plate and the second fixed plate and comprises a rotating disc, a first fixing socket, a limiting rod, a connecting ring, a connecting seat and a second fixing rod; and the rotating disc is movably connected between the first fixed plate and the second fixed plate through a bearing. According to the seamless steel tube, a bidirectional screw is driven to rotate by means of rotation of the rotating disc, the connecting ring reversely moves towards the two sides under reverse thread fit,and the inner wall of the tube body is gradually cleaned through a rubber brush, a scraper blade and a cleaning brush, so that impurities on the inner wall of the tube body can be conveniently and periodically cleaned, and the impurities are prevented from being accumulated on the inner wall of the tube body.
Owner:张家港嘉园钢铁制品有限公司

Air conditioning unit convenient to install

The invention relates to the technical field of air conditioning unit installation, in particular to an air conditioning unit convenient to install, and solves the defect that an existing air conditioning unit is inconvenient to install. The air conditioning unit convenient to install comprises an installation part and two air conditioning units installed in front of and behind the installation part; sleeve rods are arranged in the two ends of the supporting plate, telescopic rods in front of and behind the mounting piece are adjusted through the height adjusting rod to be aligned with lock holes formed in the air conditioning unit, then the telescopic rods are folded, the lock holes compress lock tongues at the ends of the telescopic rods, and the lock tongues are buckled into the lock holes under the action of reset springs. At the moment, only one lock rod needs to be rotated to synchronously drive the eight telescopic rods to retract into the sleeve rod, installation operation of the two sets of air conditioning units is achieved, during disassembly, only the lock rods retreat from the telescopic rods, the telescopic rings are pulled to enable the spring bolts to retract into the telescopic rods, then the air conditioning units can be disassembled, the structure is simple, and operation is convenient.
Owner:江苏奇净洁空调设备工程有限公司

Efficient dust removal device and method for heading machine

The invention discloses an efficient dust removal device and method for a heading machine, relates to the technical field of heading machine dust removal, and solves the problems of slow dust removaland low efficiency of the heading machine. The efficient dust removal device and method for a heading machine comprise a filtering structure, an air supply pipe is arranged on the upper surface of thefiltering structure, connecting structures are arranged at the two ends of the air supply pipe, one end of each connecting structure is connected with a pipeline external connection structure, and the interior of the filtering structure is filled with filtering liquid. The filtering structure comprises a shell, a liquid outlet, a liquid inlet port, an inner cavity, an extending pipeline, a fan and a partition, the liquid outlet is formed in the bottom surface of one side of the shell, the liquid inlet port is formed in the upper end of one side of the shell, the inner cavity is formed in theshell, and the partition is arranged in the middle of the top end of the inner cavity. According to the device, the functions of convenient operation and rapid installation are achieved, and dust particles can be effectively treated.
Owner:EASTERN LIAONING UNIV

Mounting structure of house building suspended ceiling

The invention discloses a mounting structure of a house building suspended ceiling, and relates to the technical field of house building suspended ceiling mounting construction. The mounting structure solves the problem that in the process of mounting a panel, the panel needs to be sequentially moved to the position where the panel needs to be mounted, and the mounting process is relatively inconvenient. The mounting structure comprises a plurality of main keels and auxiliary keels which are uniformly arranged, sliding grooves are formed in the left side and the right side of the auxiliary keels in the length direction, panels are slidably connected into the sliding grooves, a feeding frame is arranged at the symmetrical center position of the auxiliary keels in the length direction, a feeding opening is formed in the end, close to the feeding frame, of the auxiliary keels, a through groove is formed in the position, facing the feeding opening, of the feeding frame, push rods used for pushing the panel to move along the sliding grooves are arranged in the through grooves, the push rods are symmetrically arranged along the left side and the right side of the feeding frame, and a driving assembly used for driving the push rods to move towards or away from the center of the feeding frame is arranged in the feeding frame. The mounting structure has the effect of reducing movement of personnel in the panel mounting process.
Owner:福建海鸿发展集团有限公司

Steel plate composite beam assembly type operation platform

The invention relates to a steel plate composite beam assembly type operation platform which comprises main beams parallel to each other and an operation table structure arranged between the main beams. The two ends of each main beam are provided with rolling wheels running in the first direction, and the rolling wheels of the same main beam are clamped on adjacent walking platforms respectively. A limiting piece right opposite to the side face of the walking platform is arranged at the end of the main beam. The operation platform provided by the embodiment of the invention is simple in structure and convenient to install, full-bridge slippage can be rapidly achieved, the construction period of parallel connection installation and cast-in-place bridge deck bracket and formwork installation and disassembly is shortened, and the construction progress is accelerated.
Owner:ROAD & BRIDGE SOUTH CHINA EINGINEERING CO LTD

Clamping device and method for ensuring equal protruding lengths at both ends of a core bolt

The invention provides a clamping device and method used for guaranteeing equality of the extension lengths of the two ends of a through bolt. The clamping device and method mainly solve the problem that the extension lengths of the two ends of a through bolt are not equal when the through bolt is mounted manually. The clamping device comprises a magnetic base and a shell, wherein the magnetic base can be attracted to a flange, and the shell is perpendicularly arranged on the base; the shell is internally provided with a first cavity communicated with a through hole in the base, and the two opposite side faces of the shell are symmetrically provided with a first slot hole and a second slot hole; a ruler is arranged at one side of the first slot hole in the shell, and the zero graduation line of the ruler is flush with the bottom face of the base; the first cavity is internally provided with a first V-shaped block and a second V-shaped block which are provided with opposite openings; a threaded rod capable of rotating along the second slot hole is arranged at one side of the second slot hole; the part, on the outer side of the second slot hole, of the threaded hole is provided with a movable nut; the threaded rod is rotated, the first V-shaped block moves towards the second V-shaped block and clamps the through bolt, and the position of the threaded rod is fixed through the movable nut. The clamping device is simple in structure, convenient to use and capable of effectively guaranteeing the equality of the extension lengths of the two ends of the through bolt.
Owner:STATE GRID CORP OF CHINA +1

Spanner capable of controlling extension lengths of through bolt

ActiveCN104723250ASolve the problem of unequal lengthStick out the same lengthSpannersWrenchesPulp and paper industryWrench
A spanner capable of controlling the extension lengths of a through bolt mainly solves the problem of the prior art that the through bolt is installed manually, and therefore the extension lengths of the two ends of the through bolt are different. The spanner comprises a spanner body, a nut clamping sleeve and a positioning mechanism, wherein the nut clamping sleeve is embedded in the spanner body, a second stepped hole used for clamping a nut is formed in the center of the nut clamping sleeve, the positioning mechanism is arranged on the end face of the side, provided with steps, of the head of the spanner body and comprises a positioning plate, a fastening screw and a positioning sliding block, a slotted hole is formed in the middle of the positioning plate, a scale plate is arranged on one side of the positioning plate, the zero graduation line of the scale plate is flush with the end face of the non-stepped side of the head of the spanner body, the fastening screw and the positioning sliding block are located on the two sides of the slotted hole and are in threaded connection, and sliding and locking of the positioning sliding block can be achieved by rotating the fastening screw. By the adoption of the spanner, the extension lengths of the two ends of the through bolt can be controlled accurately during installation.
Owner:STATE GRID CORP OF CHINA +1

An easy-to-install road guardrail

The invention discloses an easy-to-install road guardrail, relates to the technical field of municipal facilities, and mainly solves the problem that most of the existing road guardrails are prefabricated guardrails and are inconvenient to maintain after damage; the device includes a base, on which A column is provided, and the column is plugged on the base. The column is provided with a mounting sleeve, and an internal thread hole is provided on the installation sleeve. A fixing bolt is provided between the column and the internal thread hole. A spacer is provided between the fixing bolt and the column, and the installation sleeve is provided with two sets of upper and lower groups. A lower installation rod is arranged between the installation sleeves on the lower side, and a lower sleeve is uniformly arranged on the lower installation rod. , an upper installation rod is arranged between the installation sleeves on the upper side, and an upper sleeve is uniformly arranged on the upper installation rod, and the lower sleeve and the upper sleeve are relatively arranged, and the upper sleeve and the lower sleeve An intermediate rod is inserted between the sleeves, and a locking device is arranged between the upper installation rod and the lower installation rod.
Owner:山东冠县北方管业有限公司
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