30results about How to "To achieve tension" patented technology

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 winding device for textile cloth, which comprises a base, a motor is fixedly installed on the top of the base, and a winding box is fixedly installed on the top of the base and behind the motor through bolts, and the two sides of the winding box All are in the shape of openings, the output end of the motor runs through the winding box and is fixedly connected to one end of the rotating shaft, and the other end of the rotating shaft is movably connected to one side of the inner wall of the winding box through a shaft seat. In the present invention, by setting the placement box, the rotating rod is passed through the loosely wrapped drum to the plugboard, and then the plugboard is put into the placement box. After the plugboard is put into the placement box, the motor is started, and when the motor is working, The fabric will be separated from the slack roller and wound onto a new roller. When the fabric is detached from the slack roller, the rotating rod will be rotated, and the resistance generated by the cooperation of the rotating wheel and the fixed block will tighten the fabric. This makes the fabric more compact when wound on the new drum.

The invention discloses a pressing material tensioning device, which comprises an upper pressing wheel (1) and a lower pressing wheel (2), and also includes an upper bottom plate (3) and a lower bottom plate (4). The bottom of the upper bottom plate (3) A cylinder (5) is arranged downward, and the cylinder (5) is connected with the upper pressure roller (1), and the lower pressure roller (2) is arranged on the lower bottom plate (3), and a buffer spring (6) is also arranged under the lower bottom plate (3). ), the upper pressure roller (1) can be pressed on the lower pressure roller (2) by the cylinder (5). The present invention presses the upper pressure roller on the lower pressure roller to press the film and achieve the tensioning effect at the same time, and the buffer spring under the lower bottom plate can reduce the pressure of the upper parts, so that the service life of the device is longer.

A 35KV double-loop compound insulation cross arm linear steel pipe pole structure comprises a pole body; a second fixing rod is fixedly connected to the pole body; the second fixing rod is connected with a first fixing rod through a detachable connecting mechanism; a compound insulation cross arm is installed at the other end of the first fixing rod; and a wire suspension fitting and a diagonal draw bar are hinged to the other side of the compound insulation cross arm. The diagonal draw bar is connected with a lead double-hanging-point component through an adjusting mechanism capable of being locked, and the lead double-hanging-point component is installed above the pole body. According to the 35KV double-loop compound insulation cross arm linear steel pipe pole structure provided by the invention, the windage yaw distance of the wire suspension fitting is reduced; the compound insulation cross arm is short, the width of a line corridor can be reduced to a large extent, and the installation of the compound insulation cross arm is faster and more convenient.

The invention relates to the technical field of intelligent terminals, and discloses an intelligent barrier gate moment balance weight mechanism. The intelligent barrier gate moment balance weight mechanism comprises a core rotating shaft and a gate rod body fixedly sleeving the outer portion of the core rotating shaft, wherein a connecting block fixedly sleeves the outer portion of the core rotating shaft, a balance rod is fixedly connected to one side of the connecting block, a dynamic chute is formed in the front face of the balance rod, a balance weight positioning rod is arranged at the end portion of the balance rod, the balance weight positioning rod is fixedly installed at the inner bottom of a barrier gate case, and a limiting groove is formed in the front face of the balance weight positioning rod. According to the invention, the traditional tension spring balance weight is replaced with an always-tensioned balance weight steel cable, so that the tensioned balance weight steel cable is always equal to the reaction force according to the acting force, and the real-time torque balance weight of the gate rod body can be ensured, so that extra impact amplitude cannot be brought by the balance weight when the gate rod body is suddenly stopped and steered, and under the condition of the large traffic flow, the gate rod body can be stably performed when the gate rod body lifts the rod, falls the rod and suddenly stops lifting the rod, and the stability of a gate transmission system is effectively ensured.

The invention relates to the technical field of loading and unloading for large-sized dry bulk, in particular to a belt tensioning device. The device comprises a supporting base, a retractable drivingmechanism and a diverted roller. The supporting base is provided with slide grooves, and slide blocks are slidingly arranged in the slide grooves. The retractable driving mechanism is arranged on thesupporting base, and the slide blocks are driven to slide in the slide grooves when the retractable driving mechanism extends and retracts. The diverted roller is used for tensioning a transmission belt, the movement direction of the diverted roller is perpendicular to that of the slide blocks, the end of the diverted roller is connected with the slide blocks through connection rods, the first end of each connection rod is hinged to one side block, the second end of each connection rod is hinged to one end of the diverted roller, and an included angle a between the tensioning direction of thediverted roller and the connection rods is smaller than 45 degrees. A belt conveyor of a cantilever-type bucket-wheel stacker-reclaimer comprises the belt tensioning device. According to the belt tensioning device, through horizontal extension and retraction of an oil cylinder, the diverted roller moves up and down, the effect of tensioning the belt is achieved, and the belt tensioning device hasthe advantages of being low in weight and capable of achieving the small pressure of the oil cylinder.

The invention discloses a tensioning device and a compressor provided with the same. The tensioning device comprises fixing plates, a connecting rod with one threaded end, a stop plate with a through groove and a nut, wherein one end of the connecting rod is hinged to the fixing plates while the other end with a thread passes through the through groove of the stop plate, the nut is in thread fit with the tail end of the connecting rod and is screwed into the thread, a circumscribed circle diameter of the nut is greater than a width of the through groove, the fixing plates are hinged to a base and are fixed on the compressor, and the stop plate is fixed on the base. The fixing plates can drive the compressor to rotate by being hinged to the base.

The invention discloses a wire rope tensioning device. The wire rope tensioning device comprises an upper bottom board (1), a lower bottom board (2) and a tensioning roller (3), and is characterized in that the tensioning roller (3) is located between the upper bottom board (1) and the lower bottom board (2), the tensioning roller (3) is provided with a hole (5) through which a wire rope penetrates, a large gear (6) is arranged on the tensioning roller (3) and located below the hole (5), the lower bottom board (2) is provided with a gear motor (7), the gear motor (7) is connected with a small gear (8) meshed with the large gear (6), and the upper bottom board (1) is provided with a tension control sensor (9) for controlling the small gear (8) to rotate. The wire rope tensioning device does not need manual operation, and is high in degree of automation.

The invention relates to a cotton pressing and conveying mechanism and antiperspirant pad forming equipment. The cotton pressing and conveying mechanism comprises a machine frame and further comprises an upper conveying belt and a lower conveying belt, the upper conveying belt comprises a driving roller, a driven roller and a conveying belt, the conveying belt surrounds the driving roller and the driven roller, the driving roller is connected to the machine frame, the side wall of the machine frame is rotationally connected with a rotating shaft and a driving mechanism, the peripheral side of the rotating shaft is connected with a roller frame in a rotation-stopping mode, the driven roller is rotationally connected to the roller frame, the driving mechanism comprises a driving source, a turbine and a worm, the turbine is fixed to the rotating shaft, and the driving source drives the turbine through the worm. The cotton pressing and conveying mechanism has the advantages that the distance can be adjusted in real time according to the cotton pressing thickness requirement, and therefore the better cotton pressing effect is achieved.

The invention relates to a three-dimensional packaging machine for a transparent film. The three-dimensional packaging machine comprises a large flat plate workbench, the large flat plate workbench is provided with a plurality of mounting holes and mounting grooves which are formed by laser cutting, the long edges of the two sides of the large flat plate workbench are bent downwards to form an inverted-U-shaped section, all the functional subassemblies are sequentially fixed to the large flat plate workbench from one side to the other side through the mounting holes and/or the mounting grooves, and all the functional subassemblies are not directly fixed or positioned. The large flat plate workbench completely replaces conventional parts such as a front panel, a rear panel, a left vertical plate, a right vertical plate and a shaping support of an existing three-dimensional packaging machine for the transparent film, and installation and positioning are convenient and accurate; and the installation process is clear, the relation between the subassemblies is clear, the assembly progress of other subassemblies cannot be affected even if small problems occur or a certain part is machined slowly, and the examination efficiency and the management convenience are improved.

A self-cleaning device of a belt type sludge dewatering machine comprises a shell, an upper dewatering device and a lower dewatering device are arranged in the shell, a feeding plate is arranged at one end of the lower dewatering device, a discharging plate is arranged at the other end of the lower dewatering device, the two sides of the feeding plate and the two sides of the discharging plate are fixed to the shell, and the upper dewatering device and the lower dewatering device are both sleeved with filter cloth. A water filtering device is arranged on one side of the shell. Through the arrangement of the upper cleaning device and the lower cleaning device, cleaning of the filter cloth is achieved, and due to the fact that water used in the upper cleaning device and the lower cleaning device comes from the dewatering device, energy conservation and emission reduction are achieved, and the production cost is reduced; through the arrangement of the tensioning dewatering device, the tensioning effect on the filter cloth is achieved, the compactness of the filter cloth during passing is improved, the filter cloth can be automatically tensioned after the filter cloth is loosened, and the working efficiency is improved; and through the arrangement of the water filtering device, water generated in the dewatering equipment is filtered.

The invention belongs to the technical field of asphalt recycling and particularly relates to a scraper mechanism for a waste asphalt recycling process and a using method thereof. The scraper mechanism comprises a fixing base, a positioning plate is fixedly connected to the top of the fixing base, a positioning groove is formed in the top of the positioning plate, and a positioning rod is fixedlyconnected to the inner wall of the positioning groove; a sliding sleeve is slidably connected to the surface of the positioning rod, a sliding plate is fixedly connected to the bottom of the sliding sleeve, the bottom of the sliding plate is slidably connected with the inner wall of the positioning groove, a hydraulic cylinder is fixedly connected to one side of the sliding plate, the end of the hydraulic cylinder is fixedly connected with the inner wall of the positioning groove, and a limiting base is fixedly connected to the top of the sliding sleeve. Through cooperative use of the hydraulic cylinder, the sliding plate, the fixed rod, the sliding sleeve and the limiting rod, the roller can be conveniently moved up and down, so that the chain tensioning effect can be achieved, the chaintensioning mechanism can conveniently and effectively adjust the tightness of the chain, and then practicability is improved.

The invention discloses a continuous shearing system suitable for elastic lace fabric. The continuous shearing system comprises a main rack. A main roller is arranged at the end portion of the main rack. The main rack is provided with a plurality of pairs of transmission rollers in the fabric conveying direction. A tailoring device is arranged at the middle portion of the main rack, and a recycling device is arranged on the discharging side of the main rack. The tailoring device comprises an auxiliary rack connected with the main rack, and the auxiliary rack is provided with two pairs of fabric tensioning mechanisms. A shear mechanism is arranged between the two pairs of fabric tensioning mechanisms and comprises a pair of shearing tools which are in up-down intersection fit. The recyclingdevice comprises a rolling mechanism, a roller transmission mechanism is arranged above the rolling mechanism through a pair of guide plates, and one side of the rolling mechanism is connected with aroller recycling mechanism through an inclined guide rail. The intermittent actions are adopted in a pair of shearing tools which are in up-down intersection fit in the tailoring process. The continuous shearing system has the beneficial effects that the lace fabric tailoring quality is good, tailoring continuity is good, and the work efficiency is high.

The invention relates to a thread cutting machine for processing wear-resistant socks. The thread cutting machine comprises a machine shell and a cutter component, a thread feeding hole is formed in the side wal of the machine shell, one end, away from the thread feeding hole, in the machine shell is rotatably connected with two tensioning wheels, the cutter component is positioned in the middle between the thread feeding hole and the tensioning wheels, and the cutter component is fixedly connected with the machine shell; transmission teeth are arranged on each tensioning wheel, the transmission teeth on the tensioning wheels are in meshed arrangement, and a driving motor for driving the tensioning wheels is arranged on the machine shell. By arranging the tensioning wheels, sewing threadsin the thread cutting machine can be tensioned, and elasticity of the sewing threads can be lowered, so that thread cutting effect is ensured; the thread cutting machine has the advantages of simple structure, convenience for operation and high practicability.