110results about How to "Avoid plastic deformation" patented technology

According to the composite protective coating for the bolt surface, the preparation method and the application, the composite coating takes a bolt of a common model of an iron tower as a substrate, and a cathode arc ion plating technology and a magnetron sputtering technology are combined; the preparation method comprises the four main steps of substrate surface pretreatment, metal bonding layer preparation, metal nitride bearing layer preparation and surface molybdenum disulfide solid self-lubricating layer preparation. According to the method, reliable preparation of the composite coating on the complex thread surface of the bolt is achieved, the anti-loosening capacity of the bolt is remarkably improved through the low friction coefficient, good bearing capacity and excellent wear resistance, and meanwhile the composite coating further has good corrosion resistance and has wide application prospects in iron towers for communication, electric power and the like.

The invention discloses an intelligent wood structure beam gluing and pressure maintaining method based on wood material characteristics. A plurality of continuous gluing and pressure maintaining mechanisms are used for providing gluing pressure for different parts of a wood plate composed of a plurality of glued and to-be-glued single plates and maintaining a long-time pressure maintaining state; the locking motor is provided with a locking force sensing system, a locking sleeve installed on a rotating shaft of the locking motor is matched with a bolt pull rod, and the wood structure is glued and locked, so that the locking force reaches the elastic yield stress interval capable of being borne by the wood structure material. The other end of the bolt pull rod is matched with the thrust ball bearing, the thrust ball bearing interacts with the high-toughness cushion block installed on the pressing base, the wood structure gluing process can be kept within the elastic yield stress range all the time, wood cannot be subjected to plastic deformation, and therefore the internal strength of the wood structure and the uniformity of the internal strength are guaranteed. Gluing pressure maintaining is carried out according to elastic yield stress of different woods based on different wood characteristics, manual intervention of a wood structure gluing process is avoided, and the quality stability of a glued wood structure can be greatly improved.

The invention discloses a chain tension dynamic adjusting method and system, and relates to the technical field of reversed loader control, and the method comprises the following steps: obtaining start-stop information of a reversed loader; when the start-stop information is in a shutdown state, a telescopic oil cylinder of the reversed loader is controlled to be in a complete contraction state; when the start-stop information is in a start-up state, calculation processing is carried out based on basic parameters and material parameters of the reversed loader, and real-time transportation volume parameters of the reversed loader are obtained; and performing automatic telescopic control on a telescopic oil cylinder of the reversed loader based on the real-time transportation volume parameter. According to the method, when the scraper reversed loader is started, the chain is automatically tensioned to be in a working state, when the scraper reversed loader is stopped for a long time, the pre-tightening force of the chain is automatically reduced to be in a loose protection state, the chain is prevented from being in a tensioned state for a long time, and the service life of equipment is prolonged.

The utility model relates to the field of earthquake resistance of steel structures, and discloses an assembled self-resetting steel column base capable of quickly recovering after an earthquake, which comprises a base and a section steel column arranged on the base, the section steel column comprises a wing plate and a web plate arranged in the middle of the wing plate, a cantilever plate is arranged at the end part of the wing plate of the section steel column, and a damper is arranged on the cantilever plate. The damper is connected with the cantilever plate and the base; a shear plate is arranged at the contact part of the web and the base, special-shaped angle steel is arranged at the contact part of the wing plate and the base, a friction plate is arranged on the side, away from the special-shaped angle steel, of the wing plate, and holes for bolts to insert are formed in the shear plate and the special-shaped angle steel; the damper comprises a cylinder and a first base arranged at the end of the cylinder, a hollow cavity is formed in the cylinder, a spring is arranged at the end, close to the first base, in the cavity, a second base is arranged below the spring and penetrates through the cylinder, and shape memory alloy is arranged in the space between the second base and the inner wall of the cylinder. The steel column base is high in anti-seismic performance, capable of automatically resetting in an earthquake and capable of quickly recovering after the earthquake.

The invention relates to the technical field of damping devices, in particular to a damping device and a wall bushing damping structure, the damping device comprises a damping sleeve and a connecting mandrel, a damping cavity and a load buffer cavity are arranged in the damping sleeve, a load buffer piece is arranged in the load buffer cavity, and a buffer solution and a buffer piston are arranged in the damping cavity; the inner connecting end of the connecting mandrel is connected with the load buffering cavity through the load buffering piece, and the connecting mandrel is sleeved with the buffering piston. The self weight of the horizontal cantilever structure is loaded through the damping device, initial rigidity is provided for the horizontal cantilever structure, daily slight vibration can be absorbed through the load buffering piece, and the anti-seismic performance of the horizontal cantilever structure is improved; in the earthquake process, damping force is generated when the load buffering piece is combined with the buffering piston to move in the buffering solution, the double-layer damping effect on the horizontal cantilever in the earthquake process is achieved, the anti-seismic capacity of the horizontal cantilever structure is further improved, plastic deformation is avoided, cost is reduced, and meanwhile the service life is prolonged.

The utility model relates to the technical field of elevator derricks, in particular to an inward bending steel structure derrick for installing an elevator, which comprises a base, a derrick I and a plurality of derricks II, the derrick I is fixedly arranged at the top of the base, and the plurality of derricks II are fixedly arranged at the top of the derrick I in sequence. A plurality of stand columns and cross beams are arranged in the base, the first derrick and the second derrick, four stand columns distributed in a rectangular shape are arranged in the base, the first derrick and the second derrick, and the cross beams are connected between every two adjacent stand columns through bolts. The stand column is formed by inwards folding a steel plate to form a first bending piece and a second bending piece, the end, away from the second bending piece, of the first bending piece is inwards folded to form a third bending piece, and the end, away from the first bending piece, of the third bending piece is inwards folded to form a first bending connecting piece. According to the utility model, the problems of single structure, insufficient performance and stress concentration of connecting nodes of an elevator derrick upright post additionally arranged in an old community are solved, and the overall strength, stability and safety of the derrick are improved.

Cleaning brushes (100, 200), a smart cleaning device, and a method for manufacturing the cleaning brushes (100, 200). The cleaning brushes (100, 200) each comprise a mounting shaft (110), an elastic support member (120), and a tubular member (130); the elastic support member (120) has a through hole extending in the axial direction, and the elastic support member (120) is sleeved on the mounting shaft (110) by means of the through hole; the tubular member (130) is sleeved on the elastic support member (120) and provided with blades (131, 231) integrally formed together with the tubular member (130); an adhesive layer is provided both between the mounting shaft (110) and the elastic support member (120) and between the elastic support member (120) and the tubular member (130), such that the mounting shaft (110), the elastic support member (120), and the tubular member (130) are bonded together.

The invention relates to a welding strip obtaining method and a welding method of a solar cell piece. The welding strip obtaining method comprises the following steps that effective welding parameters of a welding device are obtained; obtaining effective geometric parameters of the solder strip; based on the effective welding parameters and the effective geometric parameters, the yield strength range matched with the welding strip is obtained; and based on the yield strength range, a welding strip matched with the welding device is selected. According to the solder strip obtaining method and the welding method of the solar cell, the pseudo soldering rate of the solder strip is remarkably reduced, the solder strip is prevented from plastic deformation, cross section area reduction or snap due to overlarge wire winding tension, and the resistance of the solder strip is prevented from being increased, so that the welding quality and the electrical performance are improved.

The application discloses a power transmission coupling device of a high-power diesel generator set, which comprises a moving and carrying trolley, a first axial pushing mechanism arranged on the moving and carrying trolley and located below a motor rotor, a lifting part capable of lifting and a bearing contact part rotatably arranged on the top of the lifting part, a plurality of ball bearings are arranged on the bearing contact part, the bearing contact part is used for bearing the motor rotor in a drooping state and allowing the motor rotor to rotate and reset to axial flatness, and an axial butt joint moving and carrying mechanism arranged on the moving and carrying trolley, the axial butt joint moving and carrying mechanism comprises a butt joint shaft capable of horizontally moving and rotating, and a convex block is arranged on the butt joint shaft. The device solves the problem that the axial flatness of the motor rotor is maintained during the installation process of the motor shell, the uniform gap between the inner wall of the motor shell and the outer circular surface of the motor rotor is maintained, the large-area contact and sliding jam caused by the drooping of the rotor are avoided, the anti-corrosion coating or the insulating layer on the outer surface of the motor rotor is prevented from being scratched and peeled off, and the insulating reliability and the internal cleanliness of the generator are ensured.

The utility model discloses a kind of intelligent pressure relief lifting control devices for steel coil transport trolley, belong to hydraulic high-low pressure control technical field, a kind of intelligent pressure relief lifting control devices for steel coil transport trolley, including transport trolley, the center of the chassis of transport trolley is provided with object carrying disc, fixed mounting is positioned on object carrying disc, the top of transport trolley is fixedly installed with hydraulic pump machine, the output position of hydraulic pump machine is provided with four output shaft poles, the top of four output shaft poles is commonly installed with steel coil bearing plate, and the contact position of output shaft pole and steel coil bearing plate is fixedly provided with pressure sensor. It can avoid to exert too big jacking force to winding mandrel, effectively prevent the plastic deformation and damage of mandrel, prolong its service life, reduce equipment maintenance cost and downtime, at the same time, greatly reduce the possibility that heavy steel coil slips even overturns in lifting process, guarantee the safety of personnel and equipment.

The utility model discloses a piano tuning peg support platform which comprises a supporting bottom plate, an adjusting screw rod, an adjusting nut, an adjusting base, a screw rod mounting seat, a screw rod, a sliding block, a sliding block locking nut, an adjusting bottom plate, a lifting screw rod, a locking nut and a supporting plate. Compared with the prior art, when a tuning peg or a tuning peg plate is installed, the device can be arranged on the lower side of a steel bar middle disc, the supporting bottom plate, the adjusting bottom plate and the supporting plate are used for supporting the position where the tuning peg needs to be installed according to the bottom condition of the middle disc, and plastic deformation, caused by knocking, of the tuning peg plate or the middle disc is avoided; meanwhile, the device is suitable for tuning pianos of various brands.

This application relates to the field of air purifiers and discloses a side cover assembly and an air purifier. The side cover assembly includes a side cover and a first reinforcing plate. A receiving groove is formed at the edge of the side cover, and a slot is also provided on the side cover. The slot is located at the end of the receiving groove and communicates with the receiving groove. The first reinforcing plate is disposed in the receiving groove, and the end of the first reinforcing plate is located in the slot. The end of the first reinforcing plate away from the receiving groove is used to fix it to the bottom cover of the air purifier. By setting a receiving groove and a slot at the edge of the side cover, and installing the first reinforcing plate in the receiving groove with its end inserted into the slot and fixed to the bottom cover, this application avoids plastic deformation of the side cover caused by mechanical stress concentration, eliminates the need to increase the wall thickness of the side cover or change the arrangement of the grille ribs, and reduces material costs and molding process complexity.

The invention relates to the technical field of packers, in particular to an anti-falling packer for oil production engineering, which comprises a packer, a rubber sleeve is fixedly connected to the middle position of the packer, a plugging and limiting mechanism capable of providing protection for the rubber sleeve is arranged on the packer, and the plugging and limiting mechanism comprises a plurality of sliding chutes, a guide groove and a limiting seat. Sliding grooves are formed in the top end and the bottom end of the limiting seat, movable plates are slidably connected to the interiors of the sliding grooves, symmetrically-arranged guide strips are fixedly connected to the movable plates, first supports are fixedly connected to the positions, in the sliding grooves, of the movable plates, linkage blocks are rotatably connected to the first supports, and two symmetrically-arranged supports are fixedly connected to the top end and the bottom end of the limiting seat; the packer has the beneficial effects that excessive radial expansion of the rubber sleeve can be limited, plastic deformation or tearing of the rubber sleeve due to high pressure is prevented, meanwhile, pressure borne by the rubber sleeve is evenly dispersed, the overall structural stability is improved, and the sealing reliability and the structural stability of the packer are further improved.

The invention discloses a CLT wood structure flexible gluing press based on wood yield strength and a pressing method. The CLT wood structure flexible gluing press comprises a hydraulic flow distribution system containing a multi-wood yield strength data set, a first hydraulic transmission assembly, a second hydraulic transmission assembly, a pressing plate and a flexible gluing pressing block. The flexible gluing pressing block comprises a fixed rod, a control rod and a pressing block; a hemispherical convex block at the bottom end of a fixing rod can rotate in a hemispherical groove of a pressing block, a pressure sensor detects the liquid pressure in a second hydraulic transmission assembly, and a controller in a hydraulic flow distribution system supplies flow to the second hydraulic transmission assembly according to the liquid pressure detected by the pressure sensor and the multi-wood yield strength. And it is guaranteed that the pressure of liquid in each second hydraulic transmission assembly is consistent, and meanwhile plastic deformation, caused by too large pressure, of the cross-laminated wood is avoided. By means of the flexible gluing pressing block, the pressing block body can be replaced more conveniently and rapidly, the daily maintenance time and cost are saved, and the phenomenon of pressure leakage can be solved.

A long cutting knife (1) is used to cut wood (W) along an outer surface (W1) of the wood (W) to obtain a veneer. The long cutting knife (1) includes a blade metal (3) having a cutting edge (3a) at a tip end and a flank face (3c) on a rear face (3d). The long cutting knife (1) further includes a base metal (2) to which the rear face (3d) of the blade metal (3) is joined. The base metal (2) is a quenched steel material, and the yield point of the steel material before quenching is 305 N / mm2 or more.

The utility model discloses a suspension floor board with a reinforcing column, which comprises a floor board main body, the center of the floor board main body is fixedly connected with a central column, a plurality of groups of support plates are distributed on the circumference of the outer wall of the central column, and two ends of each second insertion rod are in contact with the outer walls of two adjacent groups of first insertion rods. Under the dynamic impact effect, the elastic reset force of the spring enables the fixing rod to press the first inserting rod and the second inserting rod all the time, micro elastic deformation of the floor body is allowed, and the problems that due to stress concentration in traditional rigid connection, rib plate intersection joints crack, and the root of a center column is fractured are effectively solved; a cross nested structure formed by the reinforcing plates and the supporting plates can evenly disperse loads to the center column and the floor body, and the impact resistance of the suspension floor under the high-frequency dynamic loads is improved.

The utility model discloses a kind of high-purity membrane box absolute pressure vacuum switches, it is related to high-purity technical field, including lower connector, the middle part of lower connector is provided with vertical through-hole, vertical through-hole is fixed with flow guide pipe inside, the upper end of flow guide pipe is fixed with membrane box assembly, the inner chamber of flow guide pipe and membrane box assembly is communicated, the upper end of lower connector is threadedly connected with upper connector, the upper end of lower connector inside is threadedly connected with switch fixing sleeve, the surface of switch fixing sleeve is threadedly connected with limiting nut, the lower end in switch fixing sleeve inside is fixed with microswitch by switch fixed pin, the upper end of microswitch and membrane box assembly is inlaid, the upper end of upper connector is fixed with serial port connector by two hexagonal fixed screws, can accurately monitor tiny absolute pressure change, and can avoid damage under instantaneous overvoltage or impact condition.

The application relates to the technical field of temperature-sensitive control, in particular to an automatic reset type temperature-sensitive control device, which comprises a device main body, rotating boxes are fixedly connected to the two sides of the device main body, an alternating heat conduction mechanism is arranged in the rotating boxes, the alternating heat conduction mechanism comprises heat insulation plates which are slidingly connected in the rotating boxes, left plates and right plates are fixedly connected to the two sides of the heat insulation plates, left heat conduction fins are slidingly connected to the end portions of the left plates, when the electrical equipment is damaged to cause abnormal temperature rise, the bimetallic strip is bent greatly when sensing the continuous high temperature, at the moment, the pressure rod drives the bimetallic strip to move downwards and is separated from the right heat conduction fin, the continuous transmission of the heat source to the bimetallic strip is cut off, plastic deformation of the bimetallic strip beyond the elastic bending limit is avoided, the bimetallic strip can be normally reset when the temperature falls back, and the long-term use performance of the bimetallic strip is ensured.

This utility model belongs to the field of automotive parts and provides a convenient toggle switch mounting structure and automobile for assembling a toggle switch onto a mounting frame. The mounting frame is provided with a positioning block and a transmission rod. The side wall of the positioning block forms a limiting part, which restricts the movement of the toggle switch relative to the mounting frame. The transmission rod is connected to the air conditioning button within the mounting frame. Compared with the prior art, the advantages of this utility model are that the guide slope cooperates with the limiting part on the mounting frame to achieve automatic guidance and positioning of the toggle switch during installation; the end of the guide block on the toggle switch directly abuts against the transmission rod, accurately transmitting the user's operating force to the air conditioning button; at the same time, symmetrical reinforcing ribs are provided on the guide block, significantly enhancing the structural strength of the guide block, effectively preventing plastic deformation caused by long-term pressing or external force, avoiding problems of broken contact or poor contact between the guide block and the transmission rod, and ensuring stable transmission of control signals.

The invention discloses a device and a method for preparing a metal sewing thread for a sewing machine, a sewing thread and a special sewing machine, designs a pure metal sewing thread formed by twisting and annealing seven superfine stainless steel monofilaments, adopts the special sewing machine, and can realize machine sewing; in the metal sewing thread preparation device, a whole set of sewing thread production equipment is designed, the phenomenon of thread breakage in the production process can be effectively reduced, and meanwhile the flexibility of the sewing thread is improved through annealing equipment. A special metal sewing thread guide device is designed on the sewing machine for the metal sewing thread, so that the special metal sewing thread guide device can be matched with the up-and-down moving stroke of the sewing thread, and automatic sewing of the metal sewing thread is achieved. According to the design, not only are the flexibility and strength optimization of the metal sewing thread achieved, but also automatic sewing of the pure metal sewing thread on a sewing machine is achieved.

The present invention relates to a suspension wire structure and an anti-shake motor, comprising at least two suspension wires connected in the same direction; adjacent suspension wires are connected by an elastic member; the elastic member can undergo elastic deformation; the elastic member comprises a wrapping portion for wrapping and fixing the suspension wire; the elastic modulus of the elastic member is smaller than the elastic modulus of the suspension wire; the present invention forms a weakened portion through the elastic member, and when falling or stretching occurs, the elastic member will deform first, thereby reducing the impact on the suspension wire and effectively improving the impact resistance of the suspension wire; in the anti-shake motor, a hard connection portion is used to transfer the impact deformation to the suspension wire structure as much as possible, thereby improving the impact resistance.

The invention discloses an anti-toppling hot press forming device for automobile bolt machining, and relates to the technical field of bolt forging, the anti-toppling hot press forming device comprises a cylinder, the cylinder is slidably connected with a shell, the bottom of the cylinder is fixedly connected with a compression spring, the end, away from the cylinder, of the compression spring is fixedly connected with the top of a base, and an inner cavity is formed in the cylinder; a square hole is formed in the inner wall of the cylinder, a trapezoidal block is fixedly connected to the inner wall of the square hole, the trapezoidal block has elasticity, and an elastic plate is fixedly connected to the inner wall of the trapezoidal block. According to the anti-toppling hot-press forming device for automobile bolt machining, sufficient clamping force is evenly provided for a blank through the trapezoid blocks, the blank is located at the correct center position, it is ensured that the blank cannot move in the hot-press process, meanwhile, different clamping force is provided according to different diameters of the blank, and the machining precision is improved. The narrow edge of the trapezoid block facilitates initial positioning of the blank, the width of the bottom is large, the trapezoid block is used for dispersing clamping force, and local damage to the blank is avoided.

The utility model provides a kind of flat tube automatic sliding device and radiator assembly machine, the flat tube automatic sliding device includes device support;Heat pipe conveying mechanism, for conveying heat pipe;Guiding connecting seat, fixed on the device support, and with heat pipe conveying mechanism butt joint to form first guide channel, the first guide channel end is equipped with channel outlet;Flat tube trend adjusting mechanism, including stop block, the third cylinder of driving the stop block and connecting seat, the connecting seat forms vertical third guide channel and with the channel outlet butt joint;Lifting support device, including lifting module, second cylinder and second support frame.The utility model realizes the flexible steering of heat pipe by arc first guide channel arc setting, eliminates hard collision;Lifting support device before heat pipe enters vertical channel, initiative extension second support frame whole process support bottom, reduce deformation rate;By automatic shunt surplus material, it is convenient to take out redundant pipe body.

The utility model relates to the technical field of batteries, in particular to a battery box body, a battery and an electric device. The battery box body comprises a lower box body and a plurality of connecting pieces, the plurality of connecting pieces are arranged on the peripheral side of the lower box body at intervals, the connecting pieces are arranged on the lower box body in a penetrating manner, are in threaded connection with the bracket through first fastening pieces, and are made of steel materials. By arranging the connecting piece made of the steel material, the torque transmission efficiency can be remarkably improved, torque attenuation is avoided, plastic deformation and thread abrasion of the lower box body at the bolt fastening position are reduced, and the service life is prolonged; the structure is simple, and the production cost is reduced; disassembly, assembly and maintenance are convenient, and the maintenance cost is reduced. According to the battery, by applying the battery box body, plastic deformation and thread abrasion of the lower box body at the bolt fastening position can be avoided, the service life of the battery is prolonged, and the maintenance and production cost is reduced. By applying the battery, the service life of the power utilization device is ensured, and the maintenance and production cost is reduced.

The utility model discloses a kind of cooling tower multilayer sealing water leakage prevention water-collecting basin, belong to cooling tower technical field, including the water-collecting basin bottom surface formed by the bottom plate splicing combination of multiple;The four edges of each bottom plate are bent downward to form flange;Adjacent bottom plate is fixed by bolt on flange and is connected each other;The flange of the side of bottom plate is provided with the strip-shaped recess formed by recessing inward, and the flange of the opposite side is provided with the convex strip of Z-shaped bending and protruding outward;Adjacent bottom plate is spliced by recess and protrusion cooperation. The utility model discloses the butt joint edge of cooling tower water-collecting basin is designed as Z-shaped multilayer bending structure, to form multiple sealing barrier by multilayer adhesion, and reduce the amount of bolt, to significantly improve the water leakage prevention performance under the premise of not increasing material, reduce manufacturing cost and simplify production process.

This invention relates to the field of positioning technology for thin-walled workpieces, and discloses a positioning device for preventing offset of thin-walled workpieces based on CNC machine tools. It aims to solve the technical problems of easy deformation during positioning of thin-walled workpieces and poor adaptability of traditional clamping blocks. The device includes a CNC machine tool body, a rotating chuck, an adjustment drive assembly, a push rod assembly, and a tensioning positioning assembly. A frustum-shaped push block converts rotational motion into linear motion via a screw and nut mechanism. This, in conjunction with a limiting assembly, drives the push rod assembly to synchronously and uniformly extend and retract radially, causing a spring steel sheet with a pre-positioned section to achieve curvature self-adaptation. The pre-positioned section is a sliding compensation arc surface section, adapting to thin-walled pipes of different diameters while maintaining surface contact. The device has two sets of staggered tensioning positioning rings, forming a full-circumferential, gapless support for the inner wall of the pipe. This device avoids stress concentration problems caused by line contact, effectively preventing deformation of thin-walled pipes, balancing positioning firmness and deformation prevention requirements, and significantly improving the processing qualification rate and production efficiency of thin-walled pipes.

The utility model relates to the field of protection and transportation packaging, concretely relates to a light high sealing property storage and transportation box, the storage and transportation box includes lower box and the cooperation of upper box, the lower box includes first metal framework, first metal framework sets up inside first buffer layer, the outer surface of first buffer layer is provided with first skin, the upper box includes second metal framework, second metal framework sets up inside second buffer layer, the outer surface of second buffer layer is provided with second skin, the utility model discloses storage and transportation box adopts the structure of pre -buried metal framework in buffer layer, makes the strength of storage and transportation box to promote the light weight characteristic of while, alleviates the transportation difficulty of storage and transportation box, metal framework guarantees that the storage and transportation box satisfies the strength under complex mechanical environment and various working conditions, and buffer layer is light in weight and can significantly improve the impact resistance of storage and transportation box in the process of movement, and skin guarantees that the storage and transportation box can withstand the test of marine environment and other high salt high humidity bad natural environment.

The utility model discloses a reinforcement cage structure for pouring a bottom platform of a wind power tower, and belongs to the technical field of pouring structures of wind power towers. The cage comprises an annular outer cage frame, three groups of parallel transverse cage frames and five groups of longitudinal cage frames, the three groups of parallel transverse cage frames are arranged from front to back, and the five groups of longitudinal cage frames are distributed from right to left. The first longitudinal cage frame crosses the first and second transverse cage frames, and the middle part is crossed with the third transverse cage frame; the second longitudinal cage frame vertically penetrates through the three groups of transverse cage frames; the third longitudinal cage frame is connected with the second and third transverse cage frames; the fourth longitudinal cage frame and the fifth longitudinal cage frame extend from the outer cage frame and penetrate through the second transverse cage frame to the third transverse cage frame. And an additionally arranged fourth transverse cage frame is connected with the outer cage frame and penetrates through the first longitudinal cage frame to the second longitudinal cage frame. The first transverse cage frame is provided with two transverse lifting lugs, and the second transverse cage frame is provided with a longitudinal lifting lug at the intersection point of the second longitudinal cage frame and the fifth longitudinal cage frame; the utility model effectively solves the problem that the construction period is influenced because the reinforcement cage is easy to deform and needs to be repaired subsequently when the pre-buried reinforcement cage structure is transferred by using a crane at present.

The invention provides a meter core disassembling tool, a quartz accelerometer disassembling device and a quartz accelerometer disassembling method, and can solve the problems that according to an existing disassembling method, due to the fact that a swing assembly and a torquer are separated towards an abdominal belt due to the fact that the swing assembly and the torquer are torn by nipper pliers, the swing assembly is prone to displacement, a swing beam is broken and cannot be repeatedly used, and due to the fact that a servo circuit and a shell are separated by a milling machine, the cost is low. The problems that damage is serious, repeated utilization cannot be achieved, and the blocking piece cannot be disassembled are solved. The gauge core disassembling tool comprises an open container, a flexible module, a pressure sensor, two stress application tools and a magnetic block, a semi-cylindrical groove is formed in the inner bottom face of the open container, and the two stress application tools are located on the two axial sides of the semi-cylindrical groove and rotatably arranged on the two corresponding side walls of the open container in a penetrating mode respectively; the flexible module and one magnetic block are sequentially connected to the inner end face of one stress application tool, the pressure sensor and the other magnetic block are sequentially connected to the inner end face of the other stress application tool, and the two magnetic blocks are used for adsorbing the two ends of the meter core respectively.

The invention relates to the technical field of laser welding, and discloses a clamping tool for welding a corrugated plate and a curved-surface workpiece and a using method. The clamping tool comprises an internal supporting mechanism and an external pressing mechanism; the inner supporting assembly comprises a plurality of inner supporting plates annularly arranged on the periphery of the limiting disc at intervals, at least one inner supporting plate is adjustable in the radial position of the limiting disc, and the face, away from the limiting disc, of each inner supporting plate is used for supporting a curved surface workpiece. The two outer pressing plates are detachably connected and fixed to the main shaft in a sleeving mode and located on the two sides of the limiting plate respectively, each profiling curved plate is provided with a plurality of limiting grooves and a plurality of welding openings, the limiting grooves and the welding openings are sequentially and alternately distributed, the wave crests of the corrugated plate are clamped into the limiting grooves, the profiling curved plates are detachably connected between the two outer pressing plates, and the limiting grooves and the welding openings are formed in the outer pressing plates. And a to-be-welded part is aligned. Efficient welding of the corrugated plate and the curved-surface workpiece is achieved, the welding effect is good, and the automation requirement is met.