338results about How to "Avoid deflection" patented technology

The invention discloses a water-jet guided laser processing head. The water-jet guided laser processing head comprises a focusing mechanism, a centering adjusting mechanism and a coupling head. The focusing mechanism comprises a spiral sleeve and a rotary containing cavity. The focusing mechanism is used for adjusting the position of the laser focus. The centering adjusting mechanism comprises a first sliding piece. The first sliding part is arranged on the upper layer of the hollow adjusting disc, and the lower layer of the hollow adjusting disc is slidably clamped with the second sliding part. The first sliding piece and the second sliding piece are provided with a pushing adjusting device which is used for adjusting the position of the centering adjusting mechanism. The coupling head comprises a shell, a coupling cavity and a water column spraying channel. The laser processing device has the beneficial effects that the laser processing head is protected through sealing design and dry and clean gas, and stable output of laser is ensured; a spiral structure and guide rail type guiding are combined, so that deflection is prevented; the length of the cantilever is reduced, the position and precision stability of the machining head in the focus adjusting process is guaranteed, and the machining precision and stability are remarkably improved.

The utility model belongs to the technical field of circuit board testing, in particular to a circuit board testing platform for electronic information engineering, which comprises a base and a turntable, the bottom of the base is fixedly connected with a cover body, a station switching assembly is arranged between the cover body and the turntable, the turntable is provided with four clamping stations, and the four clamping stations are arranged on the base. The top of the base is fixedly connected with a test main body, the top of the test main body is provided with a circuit board test station, and the front side of the test main body is fixedly connected with a controller. According to the utility model, the structural design is reasonable, the four clamping stations are arranged and can be switched, so that the circuit board can be clamped, taken and placed and tested at the same time, the test efficiency is greatly improved, the clamping station at the right side is far away from a probe, and the test efficiency is improved. The problem that the probe moves downwards to crush the hands of a person is fundamentally solved, and the safety in use is improved.

The utility model discloses a concrete quality detector which comprises a bottom plate, a stand column is fixedly installed on the top of the bottom plate, a sleeve is connected to the outer wall of the stand column in a sliding and sleeved mode, a rack is fixedly connected to the outer wall of the stand column, a lifting mechanism matched with the rack is installed on the sleeve, a lower connecting rod is fixedly connected to the outer wall of the sleeve, and the lower connecting rod is fixedly connected to the outer wall of the lower connecting rod. A transverse rod is rotatably connected to the bottom of the lower connecting rod, a slump cone is detachably connected to the end, away from the sleeve, of the lower connecting rod, a funnel is arranged at the top end of the slump cone in a penetrating mode, and scale strips are arranged on the outer wall of the stand column. When the slump cone is used, the sleeve is driven by the lifting mechanism to slide upwards along the upright post, so that the slump cone can be driven to vertically move upwards, the slump cone is separated from the concrete cone, the concrete cone naturally collapses, and the slump cone can be effectively prevented from skewing or deflecting during ascending; therefore, interference to collapse of the concrete cone is avoided, and the use effect is good.

The utility model relates to the technical field of fastener processing, and discloses an auxiliary positioning tool for a three-coordinate measuring instrument, the auxiliary positioning tool comprises a positioning frame, the positioning frame is installed on an operation platform, the middle part of the upper side surface of the positioning frame is provided with a positioning groove, the positioning groove is provided with a pressing block, and the pressing block is connected with the positioning frame. A fixing structure capable of fixing the pressing block is arranged on the positioning frame and comprises a positioning plate, the pressing block is installed on the lower side face of the positioning plate, a plurality of positioning holes and a plurality of threaded holes are formed in the positions, located on the two sides of the positioning groove, of the positioning frame respectively, and limiting rods capable of being inserted into the positioning holes are arranged on one side of the positioning plate. And the other side is in threaded connection with a bolt which can be in threaded connection with the threaded hole. According to the utility model, the position of the pressing block can be adjusted according to the length and the size of the cylinder to be measured, so that the pressing block can always fix the cylinder part in the positioning groove, and stability and reliability are realized.

The invention relates to the technical field of detection devices, in particular to a pan body strength detection device which comprises a mounting box, a fixing support is fixedly connected to the upper end of the mounting box, a detection mechanism is mounted at the position, close to the middle, of the inner side of the fixing support, and the detection mechanism comprises a T-shaped mounting block. Two sets of symmetrical spraying mechanisms are fixedly connected to the front end and the rear end of the T-shaped mounting block, a pressurizing mechanism is mounted on the inner side of the fixing support and comprises a placement plate, a pan body is mounted at the upper end of the placement plate, an operation host is mounted at the front end of the mounting box, and an air cylinder and an arc-shaped support are matched with each other, so that the upper end of the upper end of the operation host is fixedly connected with the upper end of the T-shaped mounting block. The upper end of the pan body is pressed by the clamping blocks, then the strength of the periphery of the heated pan body is detected through rotation, remaining impurities are removed, the coating on the inner side of the pan body is comprehensively detected through the laser planometer, and whether the coating cracks or not during pressure testing of the pan body is detected.

The invention relates to the technical field of compressor accessory machining, in particular to a screw compressor accessory CNC machining device which comprises a U-shaped frame with a downward opening. The device further comprises a limiting unit, the limiting unit is arranged on the horizontal section of the U-shaped frame, the limiting unit comprises a height adjusting component connected to the lower end of the horizontal section of the U-shaped frame, the height adjusting component is sleeved with a lifting plate, and a distance adjusting component is arranged at the position, close to the left side, of the lifting plate. According to the limiting unit, the shaft hole of the sealing end cover is used for directly conducting inner clamping and rotation limiting on the sealing end cover, limiting operation is simple and efficient, full contact clamping ensures that the sealing end cover is in a continuous clamping stable state, the sealing end cover is prevented from generating deviation or friction damage, and the service life of the sealing end cover is prolonged. And therefore, the polishing and positioning accuracy and the polishing effect are improved.

The invention relates to the technical field of manipulators, in particular to an intelligent manufacturing-based manipulator which comprises a base, a first mechanical arm section, a second mechanical arm section and a third mechanical arm section, the base is fixedly mounted on the ground through screws, and the first mechanical arm section is rotatably mounted at the top of the base; the second mechanical arm section is rotationally installed between the first mechanical arm section and the third mechanical arm section, and the fourth mechanical arm section is rotationally installed on the side wall of the third mechanical arm section. Through deflection of an installation bin and locking of a lock head on a shifting rod, adjustment can be conducted in time when the gravity center of materials shifts, manual intervention is not needed, the situation that the installation bin deflects when the materials are conveyed is avoided, a first supporting rod is driven by a pressing plate to lock a first rotating rod, and after the materials are grabbed by a clamping jaw, the materials can be conveyed to the installation bin. The gravity center of the material is adjusted by moving the clamping jaw, the gravity center of the material can be adjusted at a time when the clamping jaw grabs the long material through rolling of the rolling wheels in the clamping jaw, and the position of the clamping jaw does not need to be repeatedly adjusted.

The invention relates to a high-reliability leakage-free rotary fluid connector which comprises a fixed shell and a rotary shell, the fixed shell and the rotary shell form rotary connection at the connecting end in a hole shaft mode, a sealing sleeve and a bearing are arranged on a step shaft of the rotary shell, the sealing sleeve is provided with double-side sealing, a movable sealing ring is installed on the inner side of the sealing sleeve and makes sealing contact with the step shaft, and the bearing is arranged on the bearing. The sealing performance in the under-pressure rotating process is fully guaranteed through the arrangement of multi-stage sealing and the spring plug ring, the bearing is used as a rotating supporting assembly and matched with the sealing sleeve, reliable supporting is formed on the rotating shell, rotating resistance is reduced, and the positioning precision and coaxiality are improved. Abrasion caused by deflection in the rotating process is prevented, and the service life is prolonged.

The utility model discloses outer diameter adjustable PU bourdon tube processing equipment, and relates to the field of PU bourdon tube processing equipment.The outer diameter adjustable PU bourdon tube processing equipment comprises a base, a supporting frame is arranged on the top wall of the base, a driving motor is arranged on the right side wall of the supporting frame, and a double-thread screw is arranged on the left side wall of the supporting frame; according to the scheme, the base, the supporting frame, the driving motor and other devices are arranged to be matched, forming die sleeves with different outer diameters can be conveniently clamped and installed through the device, and PU spring pipes with different spiral outer diameters can be conveniently machined; through cooperation of a limiting ring, an adjusting frame, a double-thread screw and other devices, the device can conveniently limit movement of the adjusting frame and a mounting ring through a sliding rod, deflection of the adjusting frame and the mounting ring is avoided, the adjusting frame can be conveniently pushed to move, and assembling and disassembling operation of the forming die sleeve is facilitated.

The present invention relates to an optical wire feeding device for laser additive manufacturing, which comprises a sleeve, a wire feeding pipeline and an optical path unit, wherein the optical path unit comprises a laser connector, a beam splitter module, a reflector module, an optical path steering module and a focusing mirror module; the wire feeding pipeline comprises a wire feeding tube and a wire feeding nozzle, which successively passes through the optical path steering module and the focusing mirror module from top to bottom and avoids the reflector module to reflect the optical path to the optical path steering module, wherein the center of the focus formed by the focusing mirror module is located on the center line of the wire feeding nozzle, and the focus is located below the wire outlet end of the wire feeding nozzle and is arranged close to the wire outlet end. The present invention changes the optical path so that the optical path and the wire feeding pipeline do not interfere with each other, and the laser focus is colinear with the center of the wire feeding pipeline, and the wire is prevented from being deflected in the wire delivered from the wire feeding nozzle, and the optical mirror is cooled to prevent the optical mirror from deforming and changing the optical path, thereby ensuring that the light beam and the wire are coaxial when entering the molten pool, and improving the hot melt forming accuracy.

This invention discloses a blind-mating reset fluid connector, comprising: a housing mounted on a first object; an axial elastic element and a guide limiting element provided between a sleeve and the housing; one end of a pipe connected to the first object, and the other end of the pipe detachably connected to a connector, the portion of the pipe being located within the sleeve, and a radial elastic element provided between the pipe and the sleeve; a guide seat movably sleeved on the pipe, and a force transmission element provided between the guide seat and the sleeve, and a guide assembly provided on the guide seat; this invention provides a blind-mating reset fluid connector that, through the force transmission element, allows the guide seat and the sleeve to transmit axial thrust without contact, avoiding interference between the radial and axial floating components of the fluid connector.

The invention relates to the technical field of cranes, and particularly discloses a hull structure hoisting device convenient to install and use and a hoisting method.The hull structure hoisting device comprises a base, a stand column arranged at the top of the base and a disassembling and assembling mechanism arranged between the base and the stand column and used for disassembling and assembling the stand column, and a rotating assembly used for rotating a transverse column is arranged at the top of the stand column; the vertical column is arranged on the base, the lower end of the side wall of the base is provided with an anti-toppling mechanism in linkage rotation with the transverse column, the dismounting and mounting mechanism comprises a first limiting block, the top of the first limiting block is fixedly provided with a second limiting block, and the side wall of the second limiting block is designed to be in a quadrangular prism shape. The lifting position can be conveniently adjusted according to the actual lifting requirement, the lifting efficiency of a hull structure and the like is improved, the transverse column is connected with the base through the anti-toppling mechanism to balance stress on the two sides of the stand column, the stability of the stand column is improved, and the toppling risk is reduced.

The application discloses a driving wheel rotating structure, which comprises a rotating mechanism, a mounting plate, a rotating support assembly and a roller assembly, wherein the rotating mechanism comprises a rotating shaft, a gear and a rotating disc, the gear is fixedly connected to the end of the rotating shaft, and the rotating disc is provided with a gear ring which is engaged with the gear; the upper surface of the mounting plate is provided with a second bearing, the lower surface of the mounting plate is provided with a third bearing, and the rotating shaft penetrates through the second bearing and the third bearing; the rotating support assembly comprises a first support seat and at least one first bearing arranged in the first support seat, and the first support seat is located between the mounting plate and the rotating disc; and the roller assembly is fixedly connected with the rotating disc and rotatably connected with the rotating support assembly. The second bearing and the third bearing are arranged to form a double support structure of the rotating shaft, thereby improving the stability of the rotating shaft and avoiding the driving wheel from being stuck during the steering process.

The utility model relates to elevator door sword technical field, specifically disclose a kind of elevator synchronous door sword with car door lock, including door hanging plate, the front end of door hanging plate is equipped with the accommodation groove, and the inside of accommodation groove is passed out and has the block that passes out, the one end fixed mounting of block that passes out accommodation groove is equipped with door sword main part, and the one side of block that passes out accommodation groove inside is provided with dismounting mechanism;The dismounting mechanism includes servo motor, and the outer wall one side of door hanging plate is embedded in servo motor, and the power output end of servo motor is fixedly installed with worm, by the cooperation of servo motor, sliding block, clamping plate, engagement block, engagement slot, first spring, electromagnet, block and the slot that goes in, can be clamped and engaged from two sides to block that passes out, to when quickly let door hanging plate and door sword main part dismount, can improve the stability of clamping, avoid the situation of inclination or instability, lead to influence the locking accuracy of door sword main part, improve the security of elevator operation.

This invention discloses a sensing spring adjustment mechanism for mask mounting, belonging to the field of semiconductor lithography equipment technology. It includes a mounting base, a rotating shaft rotatably mounted on the mounting base, and a detection lever fixedly connected to the rotating shaft. Double torsion springs are sleeved at both ends of the rotating shaft, with the middle connecting end of the double torsion spring abutting against the bottom of the mounting base. A translational limiting mechanism is provided at the bottom of the mounting base, cooperating with the connecting end of the double torsion spring to guide and radially limit the movement of the connecting end. This invention uses double torsion springs instead of the traditional single-sided spring structure, providing a more balanced and stable reset force for the detection lever, ensuring the consistency and accuracy of the detection lever's reset action. Simultaneously, the double-sided support structure significantly reduces the risk of large deformation of the spring due to external force interference, fundamentally avoiding the problem of the spring detaching from the preset mounting slot.

The utility model discloses a flexible telescopic massage head machine core, include: the casing, the casing upper end face symmetry fixed mounting down fixed plate, set up the air bag structure on the down fixed plate, the air bag structure axial fixed radial activity connects the massage disc, and the massage disc axial sliding sets up, set up the motor in the casing, and the motor drive connects double gear, and the double gear engages from the driven gear, and the driven gear radial fixed axial sliding connects the massage disc. The utility model discloses through the air bag structure's inflation and deflation drive massage disc axial lifting, combine double gear and worm transmission system, realize massage head rotation and lifting action's independent control and collaborative operation, and the significant promotion massage degree of fit, and the radial fixed design of six prism and internal six sets ensures the accurate guidance when axial sliding, and cooperate the location structure of plug shaft and inner slide sleeve, effectively prevent the component slippage or deflection, prolong the life.

The present invention discloses a sleeve for a reliable temperature sensor and a temperature sensor, and relates to the technical field of temperature sensors. The present invention comprises a pipeline body, on which two symmetrically arranged C-shaped steel rings are sleeved, and a fastening half-cylinder is fixedly installed on the top of each of the C-shaped steel rings, and a plurality of evenly distributed first assembly holes are opened on the side walls of each of the C-shaped steel rings, and the same assembly bolt group is arranged inside two of the first assembly holes located at the same place, and the same thermal sleeve assembly is arranged between the two fastening half-cylinders. The present invention arranges a thermal sleeve assembly so that the rotating control knob drives the detection thermal sleeve to rotate until the angle between the detection thermal sleeve and the inner positioning tube approaches ninety degrees, and the temperature measuring probe located inside the detection thermal sleeve will rotate with the detection thermal sleeve to the opposite direction of the medium flow direction, so that the temperature sensor obtains a representative temperature measurement value at the center of the pipeline, thereby improving the accuracy and reliability of the temperature measurement data.

The utility model discloses a medical oncology catheter fixator in the technical field of fixators, which comprises a bottom plate and a catheter fixing barrel, a plurality of fitting plates are integrally formed at the edge of the bottom plate, and a spherical block is welded at the upper end of the bottom plate. Rotation limiting installation of the clamping ball body is conducted through the spherical block at the upper end of the bottom plate, the pipe containing groove formed in one side of the spherical block and one side of the clamping ball body facilitates placement of a guide pipe, the upper end of the clamping ball body is connected with the pipe fixing barrel, the pipe fixing barrel and the movably-connected pipe clamping barrel form a circular barrel shape, and the pipe clamping barrel is connected with the clamping block in a matched and clamped mode through the clamping jaw. The pipe fixing barrel and the pipe clamping barrel can rotate in multiple directions in the spherical block through the ball clamping body, the device is suitable for deflection of the guide pipe placement direction at multiple angles, one side of the spherical block is eccentrically connected with the eccentric wheel through the mounting groove, the ball clamping body is stably clamped, and therefore the device can stably fix the guide pipe, and the guide pipe is prevented from shaking and deflecting; the fixing operation is convenient.

The utility model discloses a road guardrail stand column which comprises a positioning column, a conical head is arranged at the lower end of the positioning column, a base is connected to the outer wall of the positioning column, foundation bolts are installed at the four corners of the base, a lower stand column abuts against the center of the top of the base, and an upper stand column is installed at the upper end of the lower stand column. Round through grooves are formed in the axes of the lower stand column and the upper stand column, the lower stand column is arranged outside the positioning column in a sleeving mode, three T-shaped grooves are formed in the lower portion of the outer wall of the lower stand column in the circumferential direction, an inner cylinder is arranged on the lower portion of an inner cavity of the upper stand column, and a conical ring is connected to the bottom of the inner wall of the inner cylinder; a stabilizing rod is connected between the top of the outer wall of the inner cylinder and the upper stand column. The guardrail stand column is reasonable in structural design and convenient to install, good limiting and fixing effects are achieved, the steel consumption is reduced while the structural strength of the guardrail stand column is guaranteed, galvanizing treatment is not needed, and environmental pollution is reduced.

The utility model provides a kind of power plant thermal cable temperature detection device, it is mainly related to cable temperature detection equipment field.A kind of power plant thermal cable temperature detection device, including clamping plate support plate.The utility model has the beneficial effect that: by clamping plate support plate setting clamping plate support plate support left and right two groups of clamping plate, by temperature sensor inside two side clamping plates installation detects and early warning work to cable temperature, set the two groups of pulley support plate that can be width adjusted between each other on clamping plate upper portion, further can adjust device width to different specifications cable, and one side between the two groups of pulley support plate is set by the pulley supported by spring, so that it can be positioned in the middle of pulley support plate by the spring set on both sides and positioning to prevent device from deflecting, further the other side between the two groups of pulley support plate is set by the pulley driven device driven by servo motor and moves on the upper portion of cable, realizes device self-moving and carries out temperature measurement work to different positions of cable.

The utility model provides a kind of ball valve core clamping machining equipment, it includes machine table, punching device, splash-proof device and clamping device;The punching device is located on the machine table;The splash-proof device includes base and splash-proof cover, the machine table is on the base, the splash-proof cover is hinged with the base, first space is formed between the splash-proof cover and the base;Opening for the machining end of punching device is equipped on the splash-proof cover;The clamping device includes first drive block, shell member and multiple clamping units arranged in the shell member interior;Multiple guide slots are formed on the shell member;Each clamping unit has a terminal portion for performing clamping action, and the terminal portion extends through a guide slot correspondingly;Multiple clamping units act in concert to clamp ball valve core.The utility model solves the problem that the clamping force of traditional equipment depends on manual adjustment and is limited in adaptability.

The utility model belongs to the technical field of spiral ground piles, and discloses a height-adjustable spiral ground pile for photovoltaic installation, which comprises a pile body. The outer side of the pile body is fixedly connected with a spiral blade; drill bits are fixedly connected to the lower ends of the pile bodies. The interior of the pile body is connected with a height adjusting assembly, and the upper end of the height adjusting assembly is connected with an angle adjusting assembly. The angle adjusting assembly comprises a hinge seat, a rotating rod, a driving assembly and a supporting disc. The position of the height adjusting assembly on the pile body is adjusted, so that height adjustment is achieved; the third gear drives the second gear to rotate through meshing, the second gear drives the first gear to rotate through meshing, the first gear drives the rotating rod to rotate around the fixing rod, the rotating rod drives the supporting disc to rotate, and therefore angle adjustment of the supporting disc is achieved. The height and the angle can be adjusted without a motor or an air cylinder, so that the production cost is saved, the operation is convenient, the requirement on external conditions during use is low, and the application range is expanded.

The utility model discloses a T-shaped nut, and relates to the technical field of shoe production and processing. The nut seat comprises the nut seat and the fixing mechanism, the fixing mechanism comprises the sliding groove, the fixing mechanism is arranged, the sliding groove in the fixing mechanism is matched with the sliding rod, the sliding rod is provided with a plurality of inserting holes, the position and the fixing point of the sliding rod are flexibly adjusted, and therefore the nut seat can adapt to fixing grooves of different specifications and shapes. The supporting block is tightly attached to the opening of the fixing groove, the contact area and friction force between the nut and the fixing groove are increased, the fixing stability and reliability are improved, when an external bolt is screwed down, the supporting block provides additional supporting force for the nut, the nut base is prevented from rotating, the vertical relation between the nut and the fixing groove is ensured, and the nut is prevented from rotating. The plurality of convex blocks on the abutting surfaces of the two sides of the nut head remarkably increase the contact area and friction force between the nut head and the fixing groove, and the stability of the nut can be kept in the screwing process.

The utility model relates to the technical field of water-soluble fertilizer stirring devices, and discloses a water-soluble fertilizer raw material multi-stage spiral stirrer which comprises a stirring barrel, and a cover plate is movably clamped at the top end of the stirring barrel; a stirring assembly is arranged at the bottom end of the cover plate, the stirring assembly comprises a stirring main shaft and a plurality of groups of stirring auxiliary shafts, and stirring blades are fixedly mounted on the outer wall surfaces of the stirring main shaft and the stirring auxiliary shafts; the second-stage stirring unit comprises a second-stage stirring main shaft and a spiral blade; and the driving assembly comprises a first gear, a second gear and a transmission part. A stirring assembly, a stirring main shaft and multiple groups of stirring auxiliary shafts are matched with stirring blades to stir water-soluble fertilizer raw materials in a stirring barrel cavity, the stirring range is wide, a secondary stirring unit is arranged, a secondary stirring main shaft is matched with spiral blades to stir the raw materials at the bottom end in the stirring barrel cavity, the raw materials are thrown upwards, and the raw materials are prevented from sinking to the bottom; the stirring efficiency of the equipment is further improved.

The utility model relates to building curtain wall technical field, concretely relates to a component formula curtain wall corner stand connecting device for connecting two curtain wall adapters and stand, include: adapter steel sheet is L shape, one side of adapter steel sheet is used for and the corner of stand abuts, the other side of adapter steel sheet is used for with one end of two curtain wall adapters fixed, two connecting pieces are symmetrically set up on adapter steel sheet, two connecting pieces are used for connecting adapter steel sheet and stand corner two sides, limiting piece sets up on adapter steel sheet, and limiting piece is used for preventing adapter steel sheet deflection, the utility model's advantage lies in through setting up adapter steel sheet and two connecting pieces can two curtain wall adapters and stand be connected together, especially for small corner stand, need not to penetrate stand, can realize the connection of destroying stand internal structure, and also avoided the indoor bolt leakage influence aesthetic property.

The utility model discloses a condensation core body pipe opening fixing structure which comprises a first pipe connector and a second pipe connector which are fixedly connected with a condensation core body shell in an inserted mode, the first pipe connector / the second pipe connector is provided with an outer hexagonal part, and the first pipe connector and the second pipe connector are provided with a first fixing plate and a second fixing plate which are used for limiting respectively. The first fixing plate and the second fixing plate are the same in structure and material; the first fixing plate / the second fixing plate comprises a fixing plate body, the fixing plate body is fixedly attached to the outer surface of the condensation core shell, a C-shaped opening of the fixing plate body is arranged to be a positioning groove, and the outer hexagonal part of the first pipe connector / the second pipe connector penetrates through the positioning groove in a matched mode and is matched with the positioning groove. According to the condenser assembly, the fixing plate is additionally arranged at the pipe opening of the condenser core body, the problems of shaking, abrasion and the like of the pipe opening of the core body in the prior art are solved, the fixing plate is convenient to disassemble and assemble, the stability of the condenser assembly is effectively enhanced, and therefore the problem of refrigerant leakage caused by abrasion of the pipe opening of the condenser core body is solved, and the failure rate is reduced.

The utility model provides a curved surface template radian adjusting device, which relates to the technical field of curved surface templates and comprises a device body, adjusting frames are arranged at two ends of the bottom of the device body, one end of each adjusting frame is rotatably connected with a threaded rod, and the two threaded rods movably penetrate through the two adjusting frames respectively to be connected with a rotating shaft. One end of the rotating shaft is connected with a cross-shaped handle, and the outer sides of the ends, close to each other, of the two adjusting frames are sleeved with limiting frames. By arranging the adjusting frames, the limiting frame and the threaded rod, during use, the rotating shaft can be driven to drive the threaded rod to rotate by grasping and screwing the cross-shaped handle from the two ends, the two adjusting frames are made to slide and be close to each other on the threaded rod, and therefore the radian of the curved surface formwork is changed, and the overall stability of the device can be improved through the limiting frame; therefore, the operation difficulty of the device is reduced, the labor cost is saved, the working efficiency is improved, meanwhile, the stability of the device is improved, and the service life of the device is prolonged.

The utility model discloses a kind of reinforcing cross arm holding hardware for electric overhead line, including cross arm body and fixing part, the fixing part includes two longitudinal beams and M block, the M block is located between two longitudinal beams, and it is fixedly connected with two longitudinal beams one-to-one, two longitudinal beams are provided with two groups of more than one through hole pair, two groups of more than one through hole pair are distributed in the both sides of cross arm body, and each group of through hole pair includes two through holes, and each group of through hole pair is provided with a U-shaped hoop corresponding to each group of through hole pair.The utility model reinforcing cross arm holding hardware for electric overhead line, by setting the fixing part, two groups of more than one through hole pair are set on the two longitudinal beams of the fixing part, and two more than one U-shaped hoop is used to hold tightly and fix electric pole, two more than one U-shaped hoop can not only be horizontally limited, and when two U-shaped hoops are formed by two different positions and electric pole Limit, two U-shaped hoops and the cross arm body fixed by it can also prevent two U-shaped hoops from yawing and tilting.

The utility model provides a laser irradiation system and a laser processing system, which can restrain the influence of deflection caused by the dead weight of a mask so as to carry out laser irradiation with high precision, and also can restrain dust from being attached to the surface of the mask, so that badness caused by the dust is difficult to generate, and the height is low. The laser irradiation system comprises a first optical function part and a second optical function part, the first optical function part comprises a laser light source, and the second optical function part is used for arranging a mask with a pattern corresponding to a laser irradiation area of an irradiated body. The laser irradiation system is used for irradiating laser light to an irradiated body through a mask arranged on a second optical function part, and the mask is a quadrilateral mask which comprises an effective area with a pattern corresponding to a laser irradiation area of the irradiated body, and the length of the longest side of four sides, namely the outer edge of the mask, is more than 800mm. In the second optical function part, the normal line of the surface on which the pattern is formed faces the substantially horizontal direction.

The present invention relates to the technical field of motor casings, and specifically to a motor casing end roll forming device, comprising a base, a moving component comprising a sliding rod, a plurality of sliding rods having two ends fixedly connected to the side wall of the cylinder lifting frame output end and one end of a fixed plate, a plurality of sliding rod side walls are provided with snap-in grooves, a plurality of sliding members are slidably connected to the side walls of the plurality of sliding rods, a plurality of sliding members have rotating connecting members fixedly connected to the bottom ends of the inner walls of the plurality of sliding members, a plurality of rotating connecting members have bidirectional threaded rods rotatably connected inside the plurality of rotating connecting members, auxiliary grooves are provided at both ends of the side walls of the plurality of sliding members, a plurality of bidirectional threaded rod side walls are fixedly connected to rotating disks, a plurality of rotating disks are located on the inner sides of the plurality of rotating connecting members, and a plurality of snap-in members are threadedly connected to the side walls of the plurality of bidirectional threaded rods at both ends; the present invention adjusts and cooperates between the punching component, the stamping component and the roll recovery mechanism through the moving component, so as to prevent forming failure due to position or interval time during metal plate stamping.