201results about How to "Improve the tension effect" patented technology

The invention discloses a ceramic cutting and conveying device with an automatic correction function. The ceramic cutting and conveying device comprises a rack. The rack comprises a middle shell. Supporting plates are fixed to the front end and the rear end of the left outer side wall of the middle shell and the front end and the rear end of the right outer side wall of the middle shell. The two ends of each driving roller are hinged to the two corresponding supporting plates. A conveying belt is tensioned on the two driving rollers. Landing legs are fixed to the bottom faces of the supporting plates. An upper supporting plate is arranged on the top face of the middle shell and pressed on the inner wall face of the upper part of the conveying belt in an abutting manner. Vertical plates are further fixed to the front side and the rear side of the top face of the middle shell, the two vertical plates are located on the two sides of the conveying belt, and a plurality of guide air cylinders are fixed to the vertical plates. Push rods of the guide air cylinders penetrate the vertical plates and are fixedly provided with guide plates. The positions of the two driving rollers are fixed, and relative movement is avoided. Meanwhile, ceramic products can be moved to the middle of the conveying belt through guide wheels arranged on the guide plates and front guide plates of the ceramic cutting and conveying device, and it is guaranteed that the ceramic products are conveyed normally and safely.

The invention relates to a steel tube concrete arch bridge hoisting construction method, belongs to the technical field of bridge construction, and discloses a steel tube arch bridge towerless buckling three-section type double-rib folding hoisting construction method. The method includes the following steps of 1, arch rib pre-assembly, 2, ground anchor arrangement, 3, single-floating-crane transportation, 4, single-edge segment adjustment to be close to design angles through a floating crane, 5, buckling system installation, 6, repetition of the steps 3, 4 and 5 and installation of the other section of a single-edge segment, 7, double-floating-crane transportation, and 8, folding and welding. The method improves production efficiency, accelerates construction, saves engineering cost, and guarantees arch rib installation quality.

The invention relates to the field of gauze production and machining devices, and specifically relates to a temporary winding device with a cleaning function and used for gauze production and machining. The temporary winding device with the cleaning function and used for gauze production and machining comprises a bottom plate, a winding structure, a fixed plate, a compression structure, a flatly-laying structure, a guide structure, a cleaning structure and a side plate. The winding structure is capable of synchronously driving the cleaning structure to work during working, so that a better cleaning effect of the cleaning structure can be achieved; two oppositely-arranged brush plates are fixed into a cleaning sleeve, and cleaning working can be carried out on a gauze being wound, so that impurities on the surface of the gauze can be cleaned, and then the cleanliness of the wound gauze can be ensured; gas blowing holes communicate with the interior of a gas storage groove separately, and therefore, gas in the gas storage groove is blown out via the gas blowing holes, so that ash blowing cleaning working can be carried out before the gauze enters the two brush plates, and then the cleanliness of the wound gauze can be ensured.

The invention provides a tensioning gear for a belt type conveyor, and relates to the field of belt tensioning equipment. The tensioning gear for the belt type conveyor includes a base plate, fixing rods are fixedly installed at two sides of the bottom of the base plate, the two fixing rods are fixedly connected with each other through a cross rod, and a baffle plate is fixedly installed at the rear surface of the inner wall of the base plate; and the bottom portions of the fixing rods are provided with supporting legs in an inserting mode, first grooves are formed in two sides of the blockingplate, and a first motor is fixedly installed at the top of the inner wall of each of the first grooves. According to the tensioning gear for the belt type conveyor, the first motor drives a second angle gear to rotate through a first angle gear, so that a moving sliding block can be moved left and right with the rotating of a threaded rod to achieve the effect of regulating the distance of the fixing block and the blocking plate, and the effect of tensioning a slack belt can be achieved; and a first hydraulic pushing rod and a contacting wheel are cooperatively used to reinforce the tensioning effect, workers are convenient to tension the belt, the time and the labor can be saved, and the work efficiency can be improved.

The invention discloses a yarn guiding device, which comprises a bracket, wherein an unwinding disc is arranged on the bracket. The yarn guiding device is characterized in that: a first yarn guiding wheel and a second yarn guiding wheel are arranged in the middle of the bracket; a vertical or inclined guide groove is formed on the bracket; the first yarn guiding wheel is arranged in the guide groove and is connected with a spring; the other end of the spring is fixed at the lower end of the bracket; the first yarn guiding wheel can move up and down in the guide groove under the action of the spring; and the first yarn guiding wheel and the second yarn guiding wheel are arranged in the same plane and have the same diameter. Compared with prior art, the invention has the advantages that: the guide groove is formed on the bracket, and the first yarn guiding wheel is arranged in the guide groove and is connected with the spring to adjust the distance between the first yarn guiding wheel and the second yarn guiding wheel, so that yarns which bypass the yarn guiding wheels are tensioned; and the yarn guiding device has a simple structure and a good tensioning effect and meets requirements well.

The invention discloses a formwork supporting structure of concrete cast-in-place construction. The formwork supporting structure of the concrete cast-in-place construction comprises a long supportingrod, a short supporting rod and a base. The base is slidably connected to at least one lower end of the long supporting rod and the short supporting rod, connecting pieces used for connecting a longitudinal beam arranged on a formwork are arranged at the upper ends of the long supporting rod and the short supporting rod, at least one connecting piece is adjustably connected with the longitudinalbeam, the long supporting rod and the short supporting rod are telescopic structures, and the base is fixedly connected with the lower end of the long supporting rod through a fine adjustment piece. The lengths of the supporting rods are adjusted by adjusting pin clamping buckles in different adjusting holes, then the lower ends of the supporting rods are adjusted inwards and outwards in a movingmode, a sliding block arranged at the lower end of supporting rods is pushed by a push rod of a jack to move inwards in a sliding groove formed in the base to a proper position and is fixed, the tensioning effect of the supporting rods is further improved by adjusting the fine adjustment piece.

The invention is mainly applied to the field of chain transmission equipment in the mining industry, and particularly relates to a chain transmission tensioning device, which includes a tensioning wheel, the tensioning wheel is connected to a connecting rod, the connecting rod is connected to a rack, and a slider is arranged at the bottom of the rack. Installed on the skateboard, the slider on the skateboard is provided with a chute, the rack and the gear are meshed, the gear is connected to the driving device through the transmission shaft, the transmission shaft is installed on the bearing seat through the bearing, and the bearing seat and the driving device are installed on the skateboard. A mounting plate is provided at the bottom, a sliding assembly is provided between the sliding plate and the mounting plate, a cylinder is provided on one side of the sliding plate, and the cylinder is installed on the mounting plate. The invention drives the gear to rotate through the driving device, and then drives the rack to move, realizes the movement of the upper and lower positions of the tension wheel, achieves the purpose of tensioning the chain, improves work efficiency and work quality, and can precisely control the tension.

The invention relates to a belt collecting and winding machine structure. The belt collecting and winding machine structure comprises a support, a collecting barrel and a collecting driving mechanism, wherein the collecting barrel is arranged on the support, and the collecting driving mechanism controls the collecting barrel to rotate. The belt collecting and winding machine structure is characterized by further comprising a first roller, a first limit switch, a second limit switch, a second roller, an upper press plate, a lower press plate, a third roller and a fourth roller, wherein the first roller is fixed at a first end of a swing rod, the middle of the swing rod is rotationally arranged on the support, conveyed belts firstly wind on the first roller, the upper press plate and the lower press plate are fixed on the support, the lower press plate is arranged below the upper press plate and tightly arranged with the upper press plate, the third roller and the fourth roller are fixed on the support, the axis of the fourth roller is lower than the axis of the collecting barrel, and output ends of both the first limit switch and the second limit switch are connected with the collecting driving mechanism. Compared with the prior art, the belt collecting and winding machine structure can always guarantee constant tightness degree of belt winding.

The invention belongs to the cable processing field and especially discloses a cable insulation layer coating machine. The machine comprises a die. The die is provided with a glue flowing chamber connecting a plastic extruding machine discharge end. A line passing channel connected to the glue flowing chamber is arranged in the die. A glue scraping unit comprises a pedestal which is in a circulardisc shape and is rotatably connected to the die. The pedestal is fixedly provided with a circular-bench-shaped and hollow glue scraping seat whose upper end is a small diameter end. The side wall ofthe glue scraping seat is provided with several bar-shaped through holes which are along a circular bench bus direction and pass through the side wall of the glue scraping seat. A rolling unit is arranged above a glue scraping unit. The lower end of a first rotating disk is fixedly provided with a first motor used for driving a first sleeve to rotate. A paying-off unit is arranged below the die. Arack is rotatably connected to a rotating shaft and a second motor used for driving the rotating shaft to rotate. The rotating shaft is provided with a first driving gear and a second driving gear located below the first driving gear. In the scheme, a requirement of timely processing a redundant insulating glue solution on a copper wire during a coating process is satisfied.

The invention relates to a grabbing and conveying robot for a road retaining wall. The robot comprises a self-stabilization walking platform, the self-stabilization walking platform has the good damping performance and the good stabilization performance, vertical shaking or left-and-right shaking phenomena appearing in the masonry carrying process are avoided, and therefore the robot is suitable for being work in uneven or muddy construction sites. A hydraulic grabbing device is arranged on the right side of the upper end face of the self-stabilization walking platform and can achieve the automatic hydraulic grabbing function of the masonry, manual grabbing and putting are not needed, a limiting conveying device is mounted in the middle of the upper rend of the self-stabilization walking platform, the limiting conveying device can achieve stable limiting conveying functions of the masonry, left-and-right limiting of the whole masonry conveying process is achieved, and the rolling hidden danger existing in the masonry conveying process can be removed. The automatic grabbing and conveying function of the masonry can be achieved, the vertical shaking or left-and-right shaking phenomena appearing in the masonry carrying process are avoided, and stable performance is good.

The cloth feeding and fastening mechanism of numerically controlled single needle quilter includes a right fixing board and a left fixing board, a right oscillating board and a left oscillating board connected separately to the right and the left fixing board, an upper roller with ends connected through bearing seats to the oscillating boards, a lower roller with ends connected fixed on the fixing boards, cylinders with telescopic ends hinged separately to the upper end of the oscillating boards, a motor with output shaft connected through a chain and tension pulleys to the rollers to drive two rollers to rotate in the opposite direction. The present invention tenses, conveys and cuts the sewn fabric.

The invention relates to the technical field of preparation methods of superfine fiber synthetic leather, and discloses a base fabric post-processing technology of superfine fiber synthetic leather. Adecreased base fabric is treated by the technology comprising the following steps: S1, expanding and drying; S2, oiling, wherein the base fabric which is expanded and dried in step S1 is repeatedly soaked in an oiling agent. The oiling agent comprises the following chemical components in parts by weight: 40-60 parts of amino silicone oil, 30-50 parts of aminopropanol kojic acid phosphate, 6-9 parts of diatomite, 3-7 parts of talcum powder and 10-14 parts of a surfactant; S3, shaping and drying; and S4, carrying out puffing treatment. By using the oiling agent mentioned above, the tearing strength of the base fabric is improved.

The invention provides a tensioning device for a label strip of a bottle. The tensioning device comprises a conveying belt, a labeling mechanism and an adjusting pushing plate; the labeling mechanism is arranged on one side of the conveying belt, the adjusting pushing plate is arranged on the other side of the conveying belt, a horizontal adjusting guide column is arranged on the outer side of the adjusting pushing plate, and the adjusting pushing plate is movably assembled on a horizontal adjusting base through the horizontal adjusting guide column; a vertical adjusting guide column is arranged at the bottom of the horizontal adjusting base, and the horizontal adjusting base is movably assembled on a vertical adjusting base through the vertical adjusting guide column; a labeling channel is formed between the adjusting pushing plate and the labeling mechanism which are assembled; and guide baffles are arranged at the positions, at the two ends of the labeling channel, of the conveying belt. According to the scheme, folding is not prone to occurrence, and the tensioning effect is good.

The invention discloses a wire belt tensioning device of an instant freezer. The wire belt tensioning device comprises a door type supporting frame, lower tensioning mechanisms, upper tensioning mechanisms and a tensioning adjusting mechanism. Vertically arranged adjusting grooves are formed in the two sides of the door type supporting frame. The lower tensioning mechanisms are mounted on the front face and the back face of the door type supporting frame and comprise lower connecting rods integrally welded with the two sides of the door type supporting frame and lower tensioning rolls mountedbetween two lower connecting rods through bearing pedestals. The upper tensioning mechanisms are mounted on the front face and the back face of the door type supporting frame and comprise upper connecting rods integrally welded with the two sides of the door type supporting frame and upper tensioning rolls mounted between two upper connecting rods through bearing pedestals. The two ends of the adjusting mechanisms are clamped in the adjusting grooves and can vertically move. A wire belt penetrates through the lower tensioning roll on one side, is conveyed upwards to the upper tensioning rolls,is bent downwards, penetrates through the position below the tensioning adjusting mechanism, passes through the upper tensioning roll on the other side upwards, and finally penetrates through the lower tensioning roll on the other side downwards to be discharged.

The invention relates to an automatic frictioning machine for a panel. The automatic frictioning machine comprises a rack and a power distribution control cabinet, wherein a material carrying mechanism matched with the panel is arranged on the rack; a vertical mounting plate is arranged on the rack; an operation display matched with the power distribution control cabinet and a frictioning mechanism matched with the material carrying mechanism are arranged on the mounting plate; the frictioning mechanism comprises an unwinding drum, a winding drum and a frictioning drum matched with the unwinding drum and the winding drum; the unwinding drum, the winding drum and the frictioning drum are arranged on the mounting plate; the frictioning drum is matched with the material carrying mechanism; the winding drum is connected with a winding motor through a synchronizing wheel; and the winding motor and the material carrying mechanism are connected to the power distribution control cabinet. According to the automatic frictioning machine for the panel provided by the invention, the unwinding drum and the winding drum of a frictioning strip are arranged, the frictioning drum matched with the unwinding drum and the winding drum is arranged, a panel carrier is arranged below the frictioning drum, the frictioning strip and the panel are in contact through the frictioning drum, the frictioning effect is achieved, the frictioning efficiency is high, the frictioning strip continuously moves, the frictioning effect is not affected by too large viscose glue, and good frictioning precision can be guaranteed.

The invention discloses a three-axis high-speed cutting machine capable of detecting fracture of diamond wires. By means of the three-axis high-speed cutting machine capable of detecting fracture of the diamond wires, three-axis movement of the diamond wires can be achieved, the tensioning state of the diamond wires can be adjusted, and whether the diamond wires are snapped or not can be detected.The three-axis high-speed cutting machine capable of detecting fracture of the diamond wires comprises a base, a servo control cabinet and an adjusting device; a supporting platform is arranged on the base; a horizontal linear drive device for driving the supporting platform to move on the base in the horizontal direction is arranged between the supporting platform and the base; the horizontal linear drive device is provided with a supporting block, a vertical telescopic device is arranged on the supporting block, and the supporting platform is installed at the upper end of the vertical telescopic device; and a longitudinal working platform is slidably installed on the supporting platform through a longitudinal linear drive device and provided with a cutting device. By adoption of the three-axis high-speed cutting machine capable of detecting fracture of the diamond wires, the operation stability, safety and cutting efficiency can be improved, and the service life of the diamond wirescan be prolonged.

The invention discloses a spinning traction device for modified fiber. The device comprises a supporting main frame and a bobbin fixing mechanism, an H-shaped plate frame fixedly connected with the supporting main frame is arranged above the bobbin fixing mechanism, a silk yarn winding mechanism is arranged on the H-shaped plate frame, a tensioning waxing mechanism and a reel mechanism are arranged above the silk yarn winding mechanism, the H-shaped plate frame comprises two vertical supporting plates and a cavity rotating disc, the side curve face of the cavity rotating disc is provided withmultiple polishing inclined cutting grooves, a C-shaped clamping groove is formed in the inner wall of the upper end of the cavity rotating disc, a rotating round plate is arranged in the C-shaped annular clamping groove, the silk yarn winding mechanism comprises a coiling plate and threading holes which are formed in the edge of the coiling plate and are annularly distributed, a drive motor is arranged in the cavity rotating disc, an output shaft of the drive motor is fixedly connected with the rotating round plate, winding disorder between spinning bobbins can be prevented, under the large external force, the bobbins can be subject to self-adjusting rotation, and the breakage of spinning in the traction process can be reduced.

The invention provides a package label attaching device. The package label attaching device comprises a label storage mechanism, a pressing mechanism, a label processing mechanism, a translation mechanism and a rack, wherein the rack comprises two vertical brackets which are arranged on the left and right sides and a cross beam between the two vertical brackets, the translation mechanism is arranged on the cross beam in a transverse direction, the label processing mechanism is perpendicularly arranged on the translation mechanism, the label storage mechanism is arranged on one side of the label processing mechanism, and the pressing mechanism is arranged on the cross beam below the label storage mechanism; the pressing mechanism is a label attaching cylinder; the translation mechanism is ascrew rod translation mechanism; and the label processing mechanism comprises a processing box body, tensioning devices, a label arrangement device and a feeding motor are arranged on the box body, the label arrangement device is arranged at the bottom of the box body, and the protruding end of the label arrangement device is over against the lower pressing part of the label attaching cylinder. Aplurality of tensioning rollers and tension adjusting devices are arranged, so that the tension of labels is adjusted, the labels are difficult to fold, and the tensioning effect is good.

The invention relates to a city highway retaining wall intelligent moulding integrated machine. The city highway retaining wall intelligent moulding integrated machine comprises a base, wherein a hydraulic grabbing device is arranged on the right side of the upper end of the base; a hydraulic automatic grabbing function for grouted rubble can be realized through the hydraulic grabbing device; manual grabbing and placing are not needed; the grabbing speed is high; the grabbing efficiency is high; a limiting conveying device is arranged on the middle part of the upper end surface of the base; a stable limiting conveying function for the grouted rubble can be realized through the limiting conveying device; left limiting and right limiting are realized during the whole conveying process of the grouted rubble; tumbling hidden danger existing in the conveying process of the grouted rubble is eradicated; the conveying effect is good; manual operation is not needed; a lifting pushing and placing device is arranged on the left side of the upper end surface of the base; an automatic lifting pushing and placing function for the grouted rubble can be realized through the lifting pushing and placing device; manual up and down conveying is not needed; the conveying speed is high; and the working efficiency is high. By adopting the city highway retaining wall intelligent moulding integrated machine, an automatic moulding function for a retaining wall can be realized; and a new means is provided for automatic rapid moulding of the retaining wall.

The invention relates to a preparation method of a high tension coating for oriented silicon steel. The technical scheme is as follows: components of a high-tension coating solution are as follows: 20-40 wt% of aluminum dihydrogen phosphate, 25-45 wt% of silica sol, 2-4 wt% of chromic anhydride, 0.8-4.0 wt% of potassium dihydrogen phosphate, 1.3-6.4 wt% of zirconium oxychloride, and 20-30 wt% of deionized water; according to the component and content of the high tension coating solution, firstly aluminum dihydrogen phosphate, silicon sol and chromic anhydride are added into a reaction kettle, uniform mixing is performed, then potassium dihydrogen phosphate and a zirconium oxychloride solution obtained by mixing zirconium oxychloride with deionized water is sequentially added, stirring is performed, then the high tension coating solution for oriented silicon steel obtained by stirring is smeared on the surface of oriented silicon steel, baking is performed in a protective atmosphere, and high temperature solidification is performed to obtain the high tension coating for oriented silicon steel. The method has the characteristics of low cost, simple process and easy industrial production, and the prepared high tension coating for oriented silicon steel has good tensile effects and excellent performance.

The invention relates to the technical field of puncture needle supports, in particular to an adjusting and fixing support for for a deep vein puncture needle for anesthesia. The adjusting and fixing support comprises a rectangular frame, two U-shaped frames are symmetrically fixed to the two sides of the rectangular frame, binding belts are bound and fixed to the interiors of the two U-shaped frames, and transverse tensioning mechanisms used for tensioning the skin are arranged on the two sides of the rectangular frame. Two supporting rods are symmetrically and rotationally connected to the top face of the rectangular frame, guide rail holes are formed in the supporting rods, semicircular guide rail rings are inserted into the guide rail holes, the two ends of each guide rail ring are fixed to the top face of the rectangular frame, and elastic positioning mechanisms used for temporarily fixing the supporting rods to the guide rail rings are arranged in the supporting rods. According to the scheme, the skin at the puncture position is tensioned through the transverse tensioning mechanism, so that the loose skin is tightened, a doctor can see the meridians at the puncture position clearly, puncture is facilitated, the needle tube is clamped and fixed stably, the needle tube does not need to be held manually, and puncture operation is facilitated.