76results about How to "Act as tension" patented technology

The invention provides tungsten carbide spraying equipment with both grinding and surface defect repair functions. The equipment comprises a base, a shell, a protective cover, a collecting frame, a collecting groove, a roller shaping frame structure, a cylinder, an arc surface polishing frame structure, a guide rail, an adjustable spraying fun fixing frame structure, a machining cleaning frame structure, a Y-shaped frame, a drive motor, a driving wheel, a driven wheel and a to-be-machined roller. The shell is in bolt connection with the upper portion of the base. The protective cover is in hinged connection with the left side inside the shell. The collecting frame is in bolt connection with the middle of the upper portion of the base. The equipment has the beneficial effects that by arranging the roller, a polishing motor, a rotating roller, a brush and a polishing belt, the surface of the to-be-machined roller is polished and ground conveniently, the polishing motor drives the rollerto rotate, the surface of the to-be-machined roller is ground through the grinding belt, and meanwhile unmolten tungsten carbide powder remaining at the corners of the front and back ends of the to-be-machined roller is cleaned thoroughly through the brush.

A high-altitude cable deicing device, mainly including a sleeve placed on the high-voltage line. When in use, the deicing gear can be driven by the motor reducer, so that the ice on the high-voltage line can be removed, which is beneficial to reduce the overall pressure of the high-voltage line. load; when the bushing slides to the right, the heating seat can heat and melt the icing on the high-voltage line at the front first, and prepare for the treatment of the deicing gear at the back; after the treatment of the heating and deicing gear , the scraper can finally scrape off the ice slag remaining on the high-voltage line; the solar cells are used to absorb solar power to generate electricity, and store the electric energy in the first battery and the second battery, making a good job for subsequent heating and deicing Preparation; the tension spring can play a role in tensioning the second support rod, which is beneficial to scrape off the ice on the surface of the high-voltage line by the scraper.

The invention discloses an elastic extrusion tensioning mechanism of a special paper coating machine. The upper ends of two guide rods are connected by a horizontal plate, and the horizontal plate is located on the upper side of the connecting rod. The middle part of the upper end of the connecting rod is A guide cylinder with an upward opening is provided, and a spring is provided at the bottom of the inner cavity of the guide cylinder. A threaded rod is inserted into the position corresponding to the upper end of the horizontal plate and the guide cylinder, and the lower end of the thread rod goes deep into the guide cylinder. The lower end of the threaded rod is against the spring. The process is: S1 installation, S2 debugging efforts, S3 experiment and S4 re-debugging. The motor drives the driving roller to rotate, and the linear speed of the driving roller is greater than the transmission speed of the special paper, so that there will be slippage between the special paper and the stretching and tensioning effect. By rotating the rotating rod, the spring below is squeezed. The extrusion force of the driven roller can be adjusted to prevent excessive friction. At the same time, the flannelette layer on the top protects the paper from damage and ensures the transmission quality of special paper.

The embodiment of the invention discloses a jet printing platform device applied to the technical field of jet printing. Jet printing paper to be printed is conveyed to at least three parallel carrier rollers and jet printing platform mechanisms between two corresponding and adjacent carrier rollers through a preposition driving mechanism, printed jet printing paper is conveyed through a postposition driving mechanism, the at least three carrier rollers are arranged in an arc shape, and therefore the jet printing paper conveyed on the carrier rollers are bent in an arc shape, the jet printing paper is tightened, and the jet printing paper is prevented from being folded; and in addition, the jet printing paper is attracted to a jet printing platform through air suction holes formed in the jet printing platform, and therefore the jet printing paper and the jet printing platform are tightly attached, printing operation is facilitated, and physical damage caused by the fact that the jet printing paper collides a spraying nozzle of a printing machine can be prevented; and meanwhile, the production cost is reduced, and the production process is simplified.

The invention discloses a pipe-climbing type cutting electric beveling machine. The pipe-climbing type cutting electric beveling machine comprises a machine frame, a climbing wheel assembly arranged on a base plate of the machine frame, driving mechanisms and cutting mechanisms, the driving mechanisms and the cutting mechanisms are all installed on the machine frame, and the driving mechanisms comprise driving motors, reducers and driving gears connected with output shafts of the reducers; and a plurality of pin holes are formed in cutter containing discs, cutters and cutter pressing gaskets correspondingly, one driving pins are embedded into pin holes of the cutter containing discs, the cutters and the cutter pressing gaskets, a first installing plate, a second installing plate and a third installing plate which are parallel to each other are vertically arranged on the base plate of the machine frame, a second chain wheel is installed on the second installing plate of the machine frame through a sliding block, and the climbing wheel assembly comprises a guiding wheel, two connecting rods, climbing wheels and a side rail wheel. According to the pipe-climbing type cutting electric beveling machine, automatic pipe-climbing cutting is realized, the degree of automation and the cutting efficiency are improved, the cutting precision is higher, personnel is prevented from harm, and the whole working efficiency is improved.

The invention discloses a plastic dipping structure of a super-long chain, and belongs to the field of chain manufacture. The plastic dipping structure comprises a rack and a motor, and further comprises a guiding device, a preheating device, a plastic dipping device and a heating device, wherein the guiding device comprises a plurality of guiding wheels; the motor is connected with the guiding wheels; the preheating device is arranged below the guiding device; the plastic dipping device is arranged below the preheating device, and comprises a plastic dipping tank; the plastic dipping tank is filled with a cooling liquid; the heating device is arranged above the plastic dipping device and positioned at one side of the preheating device. Through adoption of the plastic dipping structure, the surface of each chain link can be coated with a plastic dipping liquid, and thus the quality of the super-long chain can be guaranteed.

The invention discloses a building block cutting, feeding and conveying mechanism which comprises a conveying mechanism, a feeding mechanism and a first compressing mechanism. The tail end of the conveying mechanism is fixed to the front end of the feeding mechanism; the first compressing mechanism is mounted above the feeding mechanism; the conveying mechanism comprises a conveying mechanism frame, a conveying motor fixing frame, a gear motor, a first roller and a first synchronous belt pulley, the feeding mechanism comprises a motor fixing frame, a motor, a transitional roller, a driving roller, a second compressing mechanism, a feeding mechanism frame, a first tension roller and a second tension roller, the second tension roller is arranged at the tail end of the feeding mechanism frame, the first compressing mechanism comprises compressing wheel fixing plates, compressing wheel frames and compressing wheels, and the bottoms of the compressing wheel frames are mounted on supporting steel angles of the feeding mechanism frame; the compressing wheels are connected onto the compressing wheel fixing plates by shafts, and rolling surfaces of the compressing wheels are positioned above first supporting rollers. The building block cutting, feeding and conveying mechanism has the advantages that by the aid of the building block cutting, feeding and conveying mechanism, building blocks can be continuously and stably cut, can be assuredly thoroughly cut and can be quickly conveyed after being cut, accordingly, the efficiency can be improved, and the labor intensity of staffs can be relieved.

The invention relates to a film laminating device and a film laminating process for a plastic sheet machine, and relates to the field of sheet compounding equipment. The film laminating device comprises a rack, a support, an unwinding shaft, a limiting assembly, a driving assembly, a guiding assembly and a flattening assembly. The limiting assembly is used for positioning the unwinding shaft, the driving assembly is used for driving the unwinding shaft to rotate, the guiding assembly is used for guiding a thin film, and the flattening assembly is used for flattening the thin film. The support comprises a bottom frame and two vertical plates. One ends of the vertical plates are connected with the bottom frame, the two vertical plates are parallel and arranged in a spaced mode, lower grooves for containing the unwinding shaft are formed in the top ends of the vertical plates, the unwinding shaft is placed in the lower grooves, and each limiting assembly comprises a limiting block, a spring bolt, a locking ring and a handle. One ends of the limiting blocks are hinged to the top ends of the vertical plates, and the other ends of the limiting blocks are hinged to the corresponding locking rings. The lock rings are connected with the handles, upper grooves are formed in the sides, close to the lower grooves, of the limiting blocks, and the spring bolts are connected to one sides of the vertical plates and further matched with the locking rings. The film laminating device and the film laminating process for the plastic sheet machine have the effect of enriching the functions of the plastic sheet machine.

The invention discloses a novel electric propulsion device. On the basis of an original simple motor support which is only composed of a motor installation plate and an installation base, a transmission shaft installation plate and a tensioning connecting piece are additionally arranged, and the characteristics that the structure is simple and the design is reasonable are still kept. Thus, when a linkage part (such as a propeller) runs at high speed, the transmission shaft installation plate and the connecting piece will support a transmission shaft and share a part of force, so that the situation that propulsion force generated by the linkage part is completely and directly transmitted to a motor shaft through the transmission shaft is avoided; moreover, the connecting piece can tension the transmission shaft and a motor through the motor installation plate and the transmission shaft; a buffering assembly is additionally arranged, vibration generated by the linkage part and vibration generated by work of the motor itself can both be buffered through the buffering assembly, and the probability that the motor shaft and the transmission shaft become loose is reduced.

The invention relates to a moving mechanism of a crawler vehicle or a crawler-type mobile robot, a joint crawler with a posture adjustment mechanism, and a chain disc at one end is nested between a large wheel rotating shaft (17) and a driving hollow shaft (26). The attitude adjustment hollow shaft (28), the three coaxial axes can rotate mutually; the insertion end of the attitude adjustment hollow shaft (28) is connected to the rod-shaped swing arm (13) through the torque damping mechanism, and the other end The small wheel (2) is connected by rotation; the length direction of the swing arm (13) is consistent with the line connecting the axes of the large wheel (14) and the small wheel (2); It can realize the active adjustment of the grounding angle of the crawler in the road environment, and has good terrain imitation ability, improves the ground adhesion of the crawler, attenuates the torsional vibration received by the front end of the crawler, moderates the impact and reduces the noise; the structure is simple and compact, and the parts are stressed Reasonable, easy to adjust the control posture, good control effect and efficiency.

The invention relates to a back coating device. The back coating device comprises a box body, and a back coating groove is formed in the box body. A hydrophilic roller in contact with back coating liquid, a coating roller propped against the hydrophilic roller and an auxiliary roller playing a propping role are mounted in the back coating groove. A back coating tank is mounted in the box body. A water outlet communicated with the back coating tank is formed in the bottom of the back coating groove. A water inlet is formed in the side wall of the back coating tank. A feeding pipe is installed at the water inlet, and the feeding pipe is communicated with the back coating groove. A water pump used for pumping back coating liquid is installed on the feeding pipe. A coiled pipe is installed inthe back coating tank, one end of the coiled pipe is communicated with the water outlet, the other end of the coiled pipe is communicated with the water inlet, and an electric heating wire used for heating the coiled pipe is wound on the peripheral side wall of the coiled pipe. The back coating device can be prevented from being condensed when used at a low temperature.

The invention discloses a heat preservation PPR water pipe which structurally comprises a pipe body. A double-layer heat preservation shell is arranged in the pipe body, a vacuum layer is arranged in the middle of the double-layer heat preservation shell, a metal reflecting layer is arranged on the inner wall of the double-layer heat preservation shell, vacuum spacing pieces are evenly arranged in the vacuum layer and divide the vacuum layer into a plurality of independent areas, the thickness of the vacuum spacing pieces is 0.5mm, and the distance between adjacent vacuum spacing pieces is 100mm-500mm. The heat preservation PPR water pipe is capable of overcoming the defects in the prior art, simple in structure and good in heat preservation effect.

The invention provides a caterpillar band tensioning device which is characterized in that bosses (6) are symmetrically arranged on opposite faces of two opposite support seats (1), a guide bolt (5) is arranged between the two bosses (6), a steel spring (4) is sleeved on the guide bolt (5), the end portions of the steel spring (4) are connected with the bosses (6), the inner surface of an outer ring spring (2) and the outer surfaces of inner ring springs (3) are matched to form an annular spring, the inner ring springs (3) at two ends of the annular spring are tightly attached on the support seats (1) and are fixed on the bosses (6) of the support seats (1). The caterpillar band tensioning device can tension a caterpillar band anytime, the caterpillar band is in a certain tensioning state all the time, and damage to a caterpillar band chain caused by sudden impact force can be effectively lowered. The caterpillar band tensioning device is mainly used in walking parts of an excavator, a bulldozer, a crane and the like which are provided with a caterpillar band structure.

The invention discloses a mounting device used for a power mechanism of a hybrid electric bus. The mounting device comprises a motor (5), a motor-end belt wheel (6) connected with the motor (5), an engine (1) connected on the bus, an engine-end belt wheel (2) connected with the engine (1), a transmission belt (3) used for connecting the motor-end belt wheel (6) with the engine-end belt wheel (2), and a swinging and tensioning mechanism (4) connected on the bus, both the motor (5) and motor-end belt wheel (6) are arranged on the swinging and tensioning mechanism (4), and stressing and tensioning of the transmission belt (3) are adjusted through the swinging and tensioning mechanism (4). By the mounting device, stress between the two belt wheels can be more balanced, and wear of the transmission belt can be reduced.

The invention discloses a tension bearing, and belongs to the technical field of bearings. The tension bearing comprises first inner rings, second inner rings, balls, retainers, an outer ring, tensionblocks and bolts, wherein two first inner rings, two second inner rings, two balls and two retainers are provided, and are symmetrically arranged on two sides of the outer ring in an axial direction;the first inner rings, the second inner rings and the outer ring are coaxially arranged; the second inner rings are arranged outside the first inner rings in a sleeving manner; the first inner ringsand the second inner rings are in clearance arrangement to form inner oil storage cavities; the tension blocks are mounted on the outer sides of the first inner rings; the tension blocks are in hollowround table shapes; horn-shaped openings are formed in the outer sides of the first inner rings, and the inner walls of the first inner rings are attached to the outer walls of the tension blocks; the tension blocks comprise upper tension half blocks and lower tension half blocks which are inserted mutually. The two tension blocks clamp the first inner rings, so that the bearing is fixedly mounted on rotating shafts with different diameters to achieve a tension effect.

The invention discloses a winding mechanism of a T2 ring-shaped winding machine. The winding mechanism comprises a baseplate, wherein a supporting column and a sleeve are fixedly welded onto the top surface of the baseplate in sequence; a cleaning and tensioning assembly is arranged at the upper end of the supporting column; a limiting column is slidably connected into the sleeve in a sleeving manner; a limiting screw rod is mounted on the side wall of the sleeve; a supporting plate is fixedly welded to the top of the limiting column; a fixing column used for fixing a coil core is arranged at the top of the supporting plate; a clamping block is arranged at the upper end of the fixing column in an integral-forming manner; a bracket is fixedly welded to one end of the surface of the baseplate; a driving motor is mounted at the top of the bracket; one end of the rotating shaft penetrates through the top of the bracket and is fixedly connected with a connecting block; a clamping groove is formed in the bottom of the connecting block; a connecting rod is slidably connected onto the side wall of the bracket in an inserting manner; a fixing frame is fixedly welded to one end of the connecting rod; and a pressing wheel is mounted on the fixing frame. The winding mechanism is high in winding efficiency and precision; the labor intensity is greatly reduced; and human resources are saved.

The invention relates to a bridge cast-in-place box girder in-span non-bearing convenient construction support which comprises a trolley body and a trolley head, the trolley head is arranged on one side of the trolley body, a folding lifting mechanism is arranged on the trolley body and comprises a lifting platform, a first lifting supporting column and a second lifting supporting column, and the first lifting supporting column is vertically arranged on the trolley body. One end of the second lifting supporting column is hinged to one end of the first lifting supporting column, a linkage locking assembly is arranged between the first lifting supporting column and the second lifting supporting column, and a lifting assembly for driving the lifting table to slide on the first lifting supporting column and the second lifting supporting column is arranged on the trolley body. An operator can conveniently move the bridge cast-in-place box girder in-span non-bearing convenient construction support.

The invention discloses a crossing frame telescopic main arm which comprises a first telescopic arm, a second telescopic arm and a third telescopic arm which are nested with one another and can relatively move horizontally, and any two connected telescopic arms relatively move through a transmission mechanism and a chain; any two connected telescopic arms are mutually supported and slide through sliding blocks arranged in the telescopic arms; and an upper surface of the sliding block located on the upper portion of the telescopic arm makes contact with a guide rail plate to facilitate slidingof the sliding block, and the guide rail plate is welded to the lower surfaces of the first telescopic arm and a second telescopic arm top chord. An extending distance is controlled through mutual movement of the three sections of telescopic arms, and net blocking time is controllable.

The invention discloses a double-row planetary reducer based on friction transmission. The double-row planetary reducer comprises a planetary carrier, a first friction wheel ring, a second friction wheel ring, a plurality of first planetary friction wheel shafts and a plurality of second planetary friction wheels, the planetary carrier comprises a lantern ring and a plurality of planetary wheel bearing seats arranged on the lantern ring, the lantern ring is arranged outside the first friction wheel ring and the second friction wheel ring in a sleeving mode and rotationally connected with the first friction wheel ring and the second friction wheel ring, the second planetary friction wheel is located in the second friction wheel ring, the first planetary friction wheel shafts are located in the first friction wheel ring and penetrates through the second planetary friction wheels, each planet wheel bearing seat is rotationally connected with the corresponding first planet friction wheel shafts, each first planet friction wheel shaft is fixedly connected with the corresponding second planet friction wheels, the first friction wheel ring is fixed, the lantern ring is connected with a power source, and power of the speed reducer is input through the lantern ring and output through the second friction wheel ring. The double-row planetary reducer has the advantages of compact structure, reliable work, large transmission ratio, adjustable positive pressure and the like.

The invention discloses processing equipment for a helical gear pair keyway. The processing equipment comprises a bottom rack; a lifting chassis is installed on the right side of the upper surface ofthe bottom rack; a workbench is installed on the right side of the lifting chassis, and a second control motor is arranged inside the workbench; an output end of the second control motor is equipped with a turntable, and the surface of the turntable is provided with a fixed pin; a push rod is connected to the outer side of the fixed pin, and the right side of the push rod is equipped with a firstdriven rod; and the right side of the first driven rod and the left side of a second driven rod are connected with a clamp plate, and the bottom of the clamp plate is provided with a sliding chute. According to the processing equipment for the helical gear pair keyway provided by the invention, a driven wheel and a synchronous wheel are connected through a telescopic rod, and through the arrangement of a stepping motor and a rack, a cutter can conveniently extend to operate a helical gear tooth hole, so that a working operation of an operator is facilitated to be changed into a mechanical operation, thus the production time is accelerated, and the production efficiency is improved.

The invention discloses a printing and dyeing device for textiles. The printing and dyeing device comprises a bottom frame; a square frame is fixedly connected to the top of the bottom frame; a telescopic rod of an air cylinder is fixedly connected with the bottom of a support; and a material spraying assembly is arranged above the square frame. According to the printing and dyeing device for thetextiles, through the arrangement of a charging barrel and the communication of a three-way pipe, circular pipes and spray heads, the spray heads can continuously spray on printing and dyeing rollers,so that the printing and dyeing continuity is greatly improved, the continuous operation is realized, the printing and dyeing efficiency is improved, the spray heads can swing back and forth along with the printing and dyeing device, and the spray uniformity of the spray head is improved, and the printing and dyeing quality is ensured; through clearance fit of round rods and through grooves and arrangement of pressing rollers, the textile fabric can be tensioned, the fabric is smooth during printing and dyeing, and the printing and dyeing effect is further improved; and the round rollers canabut against or be separated from the printing and dyeing rollers at the same time, the pressing rollers can abut against or be separated from the bottom frame at the same time, and then the textile fabric can be conveniently filled, thereby improving use practicality.