55results about How to "Avoid wiggle phenomenon" patented technology

The invention discloses a method for testing the heat transfer coefficient in a continuous-casting secondary cooling area, which comprises casting a flame couple into a crystallizer, and fixing in a casting blank, dragging the flame couple through the casting blank to pass through the secondary cooling area, measuring the temperatures of two temperature measurement points in the casting blank through the flame couple, outputting electrical signals, adopting a signal processing unit to separate and magnify the electrical signals, and conversing into digital signals to be output, splitting the casting blank, measuring the distance between two temperature measurement points in the casting blank, adopting a calculation unit to record each measurement data, calculating and processing, and calculating the heat transfer coefficient. The testing method adopts a couple pulling method to directly measure temperatures in the casting blank of the secondary cooling area, and actually reflects the integral influences of various heat diffusion in the secondary cooling area through calculating to get the heat transfer coefficient, the measurement data are more accurate and reliable, and the actual production applicability is improved. The phenomenon that the flame couple is swung is avoided through adopting a supporting stand to fix the flame couple, and the accuracy of measurement is greatly improved.

A guiding and positioning device for tower barrel hoisting and abutting joint of a large wind driven generator set comprises an upper hoop device, a lower hoop device and a traction steel wire rope, wherein the upper hoop device and the lower hoop device are circular-arc-shaped and respectively comprise two half hoops symmetrical relative to a central shaft. The upper hoop device comprises an upper positioning and guiding module for positioning an upper tower barrel section and an upper tightening module for adjusting a distance between the two half hoops, wherein the upper positioning and guiding module is respectively installed in the middles of the half hoops, and the upper tightening module is connected between the two half hoops. The lower hoop device comprises a lower positioning and guiding module for positioning a lower tower barrel section and a lower tightening module for adjusting a distance between the two half hoops. One end of the traction steel wire rope penetrates a round hole in an upper hoop device chassis to be fixed in a rope feeding hole, and the other end of the traction steel wire rope penetrates a rope discharging hole and a round hole in a lower hoop device chassis to be connected with a motor on the ground. The guiding and positioning device can guide a flange bolt welded on a tower barrel to achieve quick positioning and is high in hoisting efficiency.

The invention discloses a full-automatic anti-swing control system of a stereo garage. The stereo garage comprises a frame body, wherein the frame body is provided with a plurality of vehicle carrying mechanisms which can do cyclic motion and of which the bottom parts are made of iron. The full-automatic anti-swing control system of the vehicle carrying mechanisms comprises an electromagnet, wherein the electromagnet is connected with a power supply through a control circuit; a plurality of plug holes are vertically formed in the electromagnet; one upright post is inserted in each plug hole; all upright posts are arranged on the ground under the lowest position where the bottom part of each vehicle carrying mechanism on the frame body can move to; gaps are reserved between the top surface of the electromagnet and the lowest position where the bottom part of each vehicle carrying mechanism on the frame body can move to. The full-automatic anti-swing control system of the stereo garage, disclosed by the invention, has the advantages that the vehicle carrying mechanisms are accurately located, and parking is convenient; shaking and collision cannot be caused during parking, and no abnormal sound is generated; the problems of switch failure, deformation of the vehicle carrying mechanisms and the like caused by frequent swinging of the vehicle carrying mechanisms can be effectively prevented, and the service life of the stereo garage is prolonged.

This invention relates to a three-point type position control method based on slide distance. Wherein, setting the value variation to divide the control process into two stages: first, comparing the new set value Wo with real width, modifying it as Wo+2So or Wo-2So (or more large for real condition); second, when the error more than 2So, taking position control by original value. By This invention, the probability that the number of rotation and counter-rotation is within 3 can be more than 80%.

The invention relates to the field of injection mold manufacturing, and particularly relates to a forced demoulding device for injection molds. The forced demoulding device comprises an upper die, a lower die, a demoulding block and a demoulding swing-rod, wherein an upper die insert and a lower die insert which are matched to form an injection part cavity are respectively fixedly arranged in the upper die and the lower die, the lower die is provided with an injection gun extending to the cavity, the demoulding block comprises a positioning block and a slide block, the upper die is provided with a stop dog which is pressed against the horizontal direction of the lower die, one end of the demoulding swing-rod is hinged with the upper die, the other end of the demoulding swing-rod is hinged on the slide block, a swing travel slot is arranged on the upper die and the slide block, the positioning block and the lower die are fastened, the lower die is provided with a vertical sliding pin, the upper die is provided with a pin slot matched with the sliding pin, and the slide block is fixedly connected with a power shaft. The forced demoulding device disclosed by the invention has the beneficial effect that in the process of demoulding, the upper die does not produce an extrusion force on injection parts of injection molds so as to ensure the completeness of the injection parts.

The invention relates to an automatic feeder of paper tubes, comprising a left support plate, a right support plate, a transmission shaft, transmission chains and a drive unit. The transmission chains are provided with positioning plates. Guide rails and retaining plates are arranged between the left support plate and the right support plate. Limiting devices are arranged on a driven shaft. The drive unit comprises a drive motor, a reducer and a torsion limiter which is connected with the transmission shaft. The automatic feeder has the advantages that the drive unit drives the transmission shaft to rotate so that the transmission chains are driven to control paper tubes placed on the positioning plates to be fed in a chain transmission direction, torque in normal running is set in a reasonable range through the torsion limiter, an alarm unit sends out an alarm to automatically stop the automatic feeder in case that the torsion limiter slips after production abnormalities such as tube jamming occur, no damage is caused to the motor, the reducer, the transmission chain, the shafts and the like, the torsion limiter automatically returns after the abnormalities such as tube jamming occur, and the automatic feeder can be normally started for use.

The invention relates to a cutting and moving system for a stone cutting machine. The cutting and moving system comprises a guide rail and a motor holder; two sides of the motor holder are respectively provided with a bearing fixing shaft and a tension shaft; the bearing fixing shaft and the tension shaft which are arranged on one side of the motor holder are in interference fit with inner rings of bearings; and the bearing fixing shaft and the tension shaft which are arranged on the other side of the motor holder are in clearance fit with the inner rings of the bearings; the bearing fixing shaft arranged on the other side of the motor holder is provided with a shaft shoulder; and a spring is arranged between the shaft shoulder and the bearing arranged on the shaft. The cutting and moving system for the stone cutting machine can not only ensure the cutting quality, but also reduce the production cost.

The invention discloses ultra-large combined fire-fighting equipment special for a super high-rise building. The ultra-large combined fire-fighting equipment special for the super high-rise building comprises a moving carrier and a control mechanism which is in signal interconnection with a lifting mechanism and a supporting mechanism which are arranged on the moving carrier. The lifting mechanism is disposed on the upper portion of the moving carrier, the supporting mechanism is mounted on the circumferential side of the moving carrier, and a balance module is disposed on the upper portion of the lifting mechanism. The ultra-large combined fire-fighting equipment is combined with a fire fighting apparatus, the range of a fire fighting truck or other fire fighting apparatuses can be broadened, and moreover the influence of a base plane on the fire fighting truck or the other fire fighting apparatuses can be reduced by means of the ultra-large combined fire-fighting equipment, so that the ultra-large combined fire-fighting equipment special for the super high-rise building is more suitable for fire-fighting work of the super high-rise building.

The invention provides a device for connecting a packaging substrate with a chip on the packaging substrate, which comprises a plurality of figure-like solder sheet rings on the packaging substrate which enclose the chip; each figure-like solder sheet ring comprises a plurality of figure-like solder sheets; and a plurality of connection lead wires which are used for connecting the chip and the figure-like solder sheet of the innermost ring of the figure-like solder sheet ring and for connecting the figure-like solder sheet of the neighboring figure-like solder sheet ring. The invention also provides a printed circuit board with the connection device, By adopting the technical proposal of the invention, length of the connection lead wire can be effectively reduced under a condition of small-sized chip, thereby effectively avoiding generation of excessive droop and swing as well as increasing yield of the connection lead wire and reducing cost. In particular to non-amount-production application like engineering verification and reliability test, the invention has practical value. Under a condition of limited available substrate, product function and reliability can be verified and evaluated rapidly with low cost, which wins the time for the follow-up market operation and mass production.

The present invention provides a cutter holder mounting structure capable of preventing a cutter holder from being obliquely displaced at the initial stage of scribing and capable of accurately forming a scribe line. The revolving shaft (8) of the cutter holder mounting structure (1) having a cutter wheel (6) at the lower end is rotatably mounted on the scribing head (9) of a scribing device (A) via a ball bearing (10). The outer ring (10b) of the ball bearing (10) is mounted on the scribing head (9) or a portion connected to the scribing head (9), and the inner rings (10a, 11a) of the ball bearings (10, 11) are mounted on the revolving shaft (8). A magnet (18) that always sucks and lifts the revolving shaft (8) and the inner rings upward together is disposed above the revolving shaft (8),thereby suppressing the looseness of the cutter holder mounting structure (1) caused by the internal clearance (L2) of the ball bearing (10).

A tool for adjusting the wrist clearances of an industrial robot comprises a working table, a wrist fixing plate, a motor and a driving mechanism used for driving three shafts on a wrist to rotate, wherein the driving mechanism is connected with the motor, the wrist fixing plate and the motor are both mounted on the working table, the driving mechanism comprises a chain and a chain wheel, the chain wheel is mounted on a rotating shaft of the motor, one end of the chain is meshed with the chain wheel, and the other end of the chain, after penetrating through a through hole formed in the wrist fixing plate, is meshed with a chain wheel on the three shafts of the wrist. Before the wrist is assembled on the industrial robot, first, the wrist is mounted on the wrist fixing plate, then, the three shafts in the wrist are separately driven by the driving mechanism to continuously work for 120 hours, the clearances of the three shafts are fully displayed, and after no clearances exist after adjustment, the wrist is mounted on the industrial robot at a time. In conclusion, a following wrist disassembling and assembling procedure is omitted in a mode of previously adjusting the clearances of the wrist, so that the production cost of enterprises is greatly saved.

The invention belongs to a workpiece forming and machining device and particularly relates to an improved non-die copy necking system and application of the same in workpiece necking machining. The improved non-die copy necking system comprises a driving wheel, wherein a driven wheel is coaxially and parallelly arranged on one side of the driving wheel in a spaced mode, the spacing between the driven wheel and the driving wheel is controlled by a driven wheel ejection mechanism, the edge of the driving wheel and the edge of the driven wheel are matched with the appearance of a mouth part of a workpiece undergoing necking machining, a working platform is parallelly arranged on one side of the driving wheel and the driven wheel in a spaced mode, and a crank sliding block rotation mechanism makes the working platform rotate in the same plane in the radial direction of the driving wheel. A height adjusting device is arranged at the bottom of the working platform, two ends of a clamping mechanism are arranged on the upper side and the lower side of the working platform, the action executing end clamps a workpiece cavity, and a positioning mechanism matched with the appearance of the workpiece to be machined is arranged on the upper surface of the working platform. The technical problem that the workpiece necking machining requirement is difficult to meet is effectively solved, and the improved non-die copy necking system has the advantages of better meeting the workpiece machining requirement and being ingenious in design, easy to control automatically and the like.

The invention discloses an automatic detection machine for the perpendicularity and height of a mute key. The automatic detection machine comprises a workbench; a loading part is fixed on one side ofthe front side of the workbench; a first plastic suction cup can be placed on the loading part; a discharge part is fixed on the other side of the front end of the workbench; an accepted-product plastic suction cup and a defective-product plastic suction cup can be placed on the discharge part side by side; a mechanical arm is fixed at the middle part of the rear end of the workbench; a clamping jaw module is installed at the lower end of the chunk of the mechanism arm; multiple suction nozzles are installed on the clamping jay module; the suction nozzles can absorb or release products; a sizedetection part comprises a straight line module, a positioning component, an angle adjustment component and a visual measurement component; the straight line module moves, so that the product on eachpositioning fixture enters a detection position in sequence, the product can rotate for 90 degrees via the angle adjustment component, and the visual detection component can sequentially detect the parameters of different surfaces of the product. The machine provided by the invention has the effect of being mechanical in placement and detection, high in placement position degree and high in measurement accuracy.

The invention discloses a hoisting device for rapidly lifting of a pressure chamber of a true triaxial testing machine. Two stand columns are vertically and fixedly arranged at the top of a base, and the top ends of the two stand columns are fixedly connected through a cross beam; a lifting hydraulic cylinder is vertically and fixedly installed on the top of the base, a piston rod is arranged upwards, and the lifting hydraulic cylinder is located in the middle of the two stand columns; a lifting beam is horizontally and fixedly arranged at the top end of the piston rod of the lifting hydraulic cylinder, one end of the lifting beam is connected with the first stand column through a first lifting guide assembly, and the other end is connected with the second stand column through a second lifting guide assembly; a first lifting support arm is mounted on the first lifting guide assembly and synchronously moves along with the lifting beam; a second lifting support arm is mounted on the second lifting guide assembly and synchronously moves along with the lifting beam; a first support arm insertion lifting lug and a second support arm insertion lifting lug are respectively mounted on the pressure chamber, and the two support arm insertion lifting lugs are in one-to-one correspondence with the two lifting support arms in position; and the first lifting support arm is matched with the first support arm insertion lifting lug in an insertion mode, and the second lifting support arm is matched with the second support arm insertion lifting lug in an insertion mode.

The invention discloses a natural gas inlet filter device. The natural gas inlet filter device comprises a filter cylinder and a filter element vertically arranged in the filter cylinder, wherein the filter cylinder is provided with an inlet channel communicating with the outside of the filter element and an outlet channel communicating with the inside of the filter element; the middle of the filter element is provided with a fixing screw rod vertically arranged; the filter element is fixedly connected with the top of the outlet channel through the fixing screw rod; the top of the filter element is provided with a positioning seat compacting the filter element downwards; an annular sheet capable of vertically moving along the filter cylinder under the action of the air pressure and a cushion chamber communicating with the filter cylinder are arranged in the filter cylinder; a piston and a piston spring for resetting the piston to the opening of the cushion chamber are arranged in the cushion chamber; and a spacing pin for releasing the spacing of the piston and the cushion chamber when the annular sheet moves upwards is arranged in the filter cylinder. The invention aims to provide a natural gas inlet filter device which effectively prevents a filter element from being damaged.

The invention discloses a brake disc capable of avoiding a swing phenomenon, which comprises a sleeve, wherein one side of the sleeve is provided with an opening, a first disc is fixedly connected with the sleeve, a second disc fixedly connected with the sleeve in a sleeve mode is arranged on one side of the first disc, close to the opening of the sleeve, a chuck is arranged in the sleeve, a locking module is arranged between the sleeve and the chuck, and a disc adjusting module is arranged between the first disc and the second disc. According to the invention, the swing phenomenon caused by loosening of fixing screws can be effectively avoided through the locking module, and the swing phenomenon caused by abrasion of the disc can be relieved through the disc adjusting module, so that thesafety of the brake system is improved.

The invention discloses an edge-trimming cutter device of a belt core. The device comprises a glue returning portion (1), an edge trimming portion (2) and a compressing portion (3). The glue returning portion (1) is fixed to one end of a right-angle frame (4); the other end of the right-angle frame (4) is fixed to a support of the compressing portion (3); the edge trimming portion (2) is fixed to the side face of the compressing portion (3). According to the edge-trimming cutter device of the belt core, a manual edge-trimming cutter structure is adopted, the phenomena that a disc cutter cannot thoroughly cut the edge, and smoking happens are avoided, and the edge trimming quality is ensured. Due to the fact that a compressing roller structure is adopted in the design, in the cutting process, the belt core can be in the tightening state, and in the cutting process, the belt core is prevented from swinging. Due t o the fact that a straight-plate cutter structure of a groove blade is adopted in the design, it is ensured that cutting and feeding are smooth, and the cutting quality is ensured. Due to the fact that a glue side returning structure is adopted in the design, removal glue sides can be returned into a recycling hopper.

The invention discloses a ground source heat pump hole well construction device with a residual material collecting function. The ground source heat pump hole well construction device comprises a positioner, a power frame, a base and a protective cover, the base and the protective cover are both fixedly installed on the ground, the positioner comprises a positioning ring and a fixing seat, the fixing seat is fixedly installed above the protective cover, the positioning ring is installed above the fixing seat in a sliding mode, coils are fixedly installed at the front end and the rear end of the interior of the positioning ring, compared with a current construction device, the poisoner, a shock absorber, a collecting box, a cleaner and the protective cover are additionally arranged, the trouble that a constructor manually supports a drill rod is avoided through the positioner, the vibration amplitude of the drill rod can be effectively reduced through the shock absorber, the phenomenon of muddy water turbulence can be greatly avoided through cooperation of the protective cover and the collecting box, waste generated in the construction process is collected and treated in a unified mode, and the surface of the drill rod can be cleaned through the cleaner.

The invention discloses a rotation durability testing device for a whip-shaped lock. The device comprises a working platform (1), a welding crow foot (2) and a swinging platform (11), wherein the welding crow foot (2) is fixed on the working platform (1); a lock catch clamp assembly (3007) for fixing a whip-shaped lock catch is fixed on the welding crow foot (2); the swinging platform (11) which is fixed on the working platform (1); and a rotation clamp assembly (8010) is fixed on the swinging platform (11). In the rotation durability testing device with a special structure for the whip-shaped lock, appropriate clamps are selected for measuring whip-shaped locks of different models, so that the problem of insufficient clamping force of a clamp on a whip-shaped lock can be effectively solved, and the phenomenon of swinging generated in the testing process of the whip-shaped lock is avoided; and the swinging frequency of the selected swinging platform is 30 times per minute, and the rotating angle is +/-80 degrees, so that the requirements of most testing can be met, and the accuracy and completeness of testing data are greatly increased.