62results about How to "Stay taut" patented technology

The invention relates to an inhaul cable traction device for a small-amplitude suspended swinging body for wide leisure application. The device is basically characterized by comprising a suspended swinging body 8, an inhaul cable 6 and an outer stator motor 3, wherein the motor 3 is directly or indirectly fixed on the ground below the suspended swinging body; the middle part of the tensioned inhaul cable 6 is movably connected around a driving wheel of the motor 3; two ends of the inhaul cable 6 are connected with two ends of the suspended swinging body 8 respectively; and the two ends of the common inhaul cable are provided with springs. A large-amplitude transmission form can be realized by using a compensation-free warping rod transmission device or a suspended arc chair device. The device has the advantages of unifying the production, providing more choices for users, and effectively promoting and enriching folk leisure by mutual promotion of quantity and quality so as to entertain the life.

The invention belongs to the technical field of security and protection facilities and particularly relates to an invisible anti-theft net comprising an upper beam, a lower beam and steel wires. The upper beam comprises an upper frame body, an upper mounting plate is connected to the upper frame body, and upper mounting holes are formed in the upper mounting plate. Upper wire penetrating holes areformed in the bottom of the upper frame body, wire outlet holes are formed in the rear side wall of the upper frame body, and a fixing mechanism is connected to the rear side wall of the upper framebody. A wire winding mechanism is mounted in the upper frame body, the lower beam comprises a lower frame body, and a lower mounting plate is connected to the lower frame body. Lower mounting holes are formed in the lower mounting plate, and lower wire penetrating holes are formed in the top of the lower frame body. Fixing heads are connected to the lower ends of the steel wires and mounted in thelower frame body, and the steel wires sequentially penetrate through the lower frame body and the upper frame body, are wound around the wire winding mechanism and then penetrate through the rear side wall of the upper frame body to be connected with the fixing mechanism. According to the invisible anti-theft net, the mounting process is simple and rapid, and after tension of one certain steel wire is reduced or the certain steel wire is broken, the other steel wires can still take the protection effect; and the later-period maintenance time can be shortened, and the maintenance cost is reduced.

The invention relates to a synchronous compounding forming system for multi-layer geotextile. The system comprises a support, a bottom layer conveying device, a middle layer conveying device, a top layer conveying device, a bonding device and a material receiving device. A bottom plate is provided with a fresh-keeping box conveying device. The bottom layer conveying device, the middle layer conveying device, the top layer conveying device, the bonding device and the material receiving device are sequentially installed on the support from left to right, and the middle layer conveying device andthe top layer conveying device are located at the upper part of the bottom layer conveying device 2. The invention solves the problems that a conventional geotextile compounding process is uncontrollable in glue amount, one-time rolling compounding effect is poor, generation of bubbles is easy, the quality of the compounded geotextile is poor, and environmental pollution, equipment waste and gluesolution waste are caused by incapability of smoothly collecting the rolled glue solution are solved.

The invention discloses a column laying device for a spiral column. The column laying device for the spiral column mainly comprises a column, wherein a gauge is further arranged, the column is connected with one end of the gauge through a sliding seat, the gauge is perpendicular to the column, and the sliding seat is used for sliding in the length direction of the column; the gauge comprises a frame body and a rotary disk arranged in the frame body, the rotary disk freely rotates in the frame body, the interior of the rotary disk is of a square hollow structure, and the rotary disk, the framebody and the square hollow are coaxially arranged; first connecting holes are formed in the surface of the rotary disk, and second connecting holes are formed in the surface of the frame body; a fixing frame is further arranged, the bottom of the fixing frame is of a U-shaped structure, the fixing frame is correspondingly connected with the first connecting holes and second connecting holes through the bottom of the fixing frame, and the rotary disk is fixed to the frame body. According to the column laying device for the spiral column, the structure is simple, the use is safe, labor intensityof an operator can be effectively reduced, the working efficiency can be improved, and the forming quality of the column is good.

The invention provides a belt tightener, and belongs to the technical field of machines. The problems that an existing tightener is poor in non-return buckling strength and prone to deforming and failing after long time, a pull rope will loosen, and the effect and the stability after tightening are poor are solved. The belt tightener comprises a support and a reel; the support is provided with two opposite side plates, shaft holes are formed in the two side plates, ratchet wheel portions are arranged at the two ends of the reel, are located in the corresponding shaft holes and can rotate in the shaft holes along with the reel, a sinking-in clamping opening is formed in the inner wall of the upper side of each shaft hole, and under the external force effect of the ratchet wheel portions, the ratchet wheel portions can be eccentrically moved to enable one ratchet to be clamped in the corresponding clamping opening. The ratchet wheel portions of the belt tightener are arranged in the shaft holes, after tightening, under the tightening force effect, the ratchet wheel portions can be eccentrically moved to be clamped in the clamping openings, the clamping openings are formed in the support, the whole strength is large, deformation and failures cannot appear even after long time, and the effect and the stability after tightening are good.

The invention relates to a welding-free net rack node reinforcing structure and belongs to the technical field of steel net rack structure reinforcing. The welding-free net rack node reinforcing structure comprises two middle reinforcing hoop pairs and opposite-pulling assemblies or comprises an end-reinforced hoop pair and a reinforcing steel wire rope, the middle reinforcing hoop pairs are hooped on two net rack pull rods arranged on two radial sides of a bolt ball and form an angle of 180 degrees respectively, the opposite-pulling assemblies comprise opposite-pulling screw rods and fastening nuts in threaded connection with the opposite-pulling screw rods, and the middle reinforcing hoop pairs and the opposite-pulling assemblies form a middle node reinforcing structure; and the end-reinforced hoop pair is used for being hooped on the net rack pull rods connected with a bolt ball at an end of a steel net rack structure, the reinforcing steel wire rope surrounds the bolt ball, two ends of the reinforcing steel wire rope are fixedly connected with the end-reinforced hoop pair so as to be in a tightened state, and the end-reinforced hoop pair and the reinforcing steel wire rope form an end node reinforcing structure. Connecting joints of the bolt ball are reinforced in a welding-free mode, and firmness and safety of the connecting joints are guaranteed.

The invention belongs to the technical field of fire fighting equipment, and particularly relates to a firewall building method. The building method operates on the basis of a firewall, and the firewall comprises a horizontal telescopic part, vertical telescopic parts, curtain wall boxes and fixing parts. The building method comprises the following steps of a, arranging the curtain wall boxes; b,horizontally unfolding curtains; c, vertically unfolding the curtains; e, tensioning the curtains. According to the firewall building method, the firewall can be temporarily built in an interval needing to be separated in a fire scene, smoke is blocked, the building mode is flexible, and the fireproof effect is good.

The invention belongs to the technical field of sales management systems, and particularly relates to an AI customer management tracking sales system which comprises an online sales module, a personnel management module, an offline sales module, a fund management module and an inventory management module. The online sales module comprises an online sales system and an online customer tracking andonline employee module, and the offline sales module comprises an offline sales system and an offline customer tracking and offline employee module; the system is mainly used for solving the problemsthat when a sales system in the prior art is used, customer tracking and mining are not good to produce sales stagnation, the management system has defects, online product sales is inconvenient to select and purchase, and satisfying product cannot be timely purchased, according to an existing online sales shopping machine, when a customer successfully purchases a printed receipt, printing paper isprone to loosening due to the fact that the printing paper is not firmly stretched in the shopping machine, and therefore the printing paper cannot smoothly flow out of a receipt outlet, and the customer is difficult to take the shopping receipt.

The invention provides a telescopic sun-shading device for an automobile compartment. The device comprises a fixing mechanism arranged on the inner side of a roof; the fixing mechanism has a hollow cylinder structure; a reel is arranged in the center of the fixing mechanism; coil springs are arranged at the two ends of the reel to form a coil spring reel , sunshade cloth is connected to the coil spring reel; and the sunshade cloth covers the whole coil spring reel. Under the condition that no external force exists, the coil springs drive the coil spring reel to rotate to enable the sunshade cloth to be wound on the coil spring reel. A bottom rod is arranged at the other end of the sunshade cloth, a strip-shaped opening is formed in the fixing mechanism, the sunshade cloth penetrates through the strip-shaped opening to be connected to the bottom rod, multiple bottom buckling rings are arranged at the foremost end of an instrument panel of an automobile, and multiple hooks correspondingto the bottom buckling rings are arranged on the bottom rod. The sunshade cloth comprises a rectangular main body part and two triangular parts on the two sides, the triangular parts serve as foldingcloth, and the structure of the unfolded sunshade cloth is a trapezoid with the narrow upper portion and the wide lower portion. By arranging the structure capable of covering the triangular area on the side face of the front windshield of the automobile, the comprehensive sun-shading effect is better achieved.

The invention discloses steel tape armoring polyvinyl chloride sheath processing equipment capable of avoiding extrusion. The equipment structurally comprises an armoring processing device, a motor driving box, a control panel, a fixed base, a transmission roller shaft and a cable conveying frame, wherein the fixed base is rectangular and is horizontally mounted on the ground; the motor driving box is fixed at the left end of the upper surface of the fixed base through bolts; the control panel is positioned at the front bottom of the motor driving box; the steel-tape armoring polyvinyl chloride sheath processing equipment is provided with a cable armoring adjuster. When a cable is loosened in the conveying process, the cable tensioning structure is used for adjusting the cable tensioning speed in time, so that the cable is promoted to be kept in a tensioned state; the steel belt winding position can be adjusted according to the perimeter of the steel belt disc, the tensioning force ofthe steel belt and the cable is promoted to be kept constant, the polyvinyl chloride sheath is prevented from being thinned due to torsional stress, and the safety and quality of the cable are improved.

The invention belongs to the technical field of firefighting equipment, and particularly relates to a curtain wall box for a firewall. The curtain wall box comprises curtain wall box corners, a connecting disc and a fireproof curtain. The four curtain wall box corners can be spliced into a rectangular wall box body. The connecting disc is embedded to the center of the curtain wall box body. The fireproof curtain is a rectangular curtain. The middle of the fireproof curtain is fixedly connected with the connecting disc. The four corners of the fireproof curtain are each connected with one curtain wall box corner. The curtain wall box is a rectangular box when unfolded, and is convenient to carry; after the curtain wall box unfolded, the fireproof curtain inside the box can be tensioned through a pull rope, the edge of the unfolded fireproof curtain is tightly attached to the wall, and the partitioning sealing effect is improved, Meanwhile, due to different tensioning degrees of the pullrope, the tensioning state can still be kept after the fireproof curtain is unfolded into rectangles of different sizes.

The invention discloses a hoisting device for erecting a high-altitude solar panel, which is located on a high-altitude supporting column and comprises a supporting frame, a hanging bracket and a power device, wherein the supporting frame comprises movable blocks, supporting pieces and a plate frame, the movable block is in a horizontal I shape, the middle part of the movable block is hinged to afixed column arranged at the upper end of the high-altitude supporting column, the two ends of the supporting piece are connected with the movable block and the plate frame respectively, at least sixsupporting pieces are arranged and distributed at the connecting positions of the movable blocks in a diverging mode, the plate frame is hollow and is provided with an opening in one side end surface,the upper surface of the plate frame is of a plane frame structure, the hanging bracket is in sliding fit in the plate frame, the hanging bracket is used for mounting the solar panel, the power device comprises a lifting rope, and a motor, a winding and unwinding pulley and an overturning air cylinder which are fixed to the high-altitude supporting column, The lifting rope is connected with the hanging bracket and the winding and unwinding pulley, the motor is used for driving the winding and unwinding pulley to rotate to achieve winding and unwinding of the lifting rope, the sliding of the hanging bracket can be limited when the lifting rope is tightened, and an air cylinder rod of the overturning air cylinder is hinged to the movable block and pushed and pulled to adjust the overturningangle of the movable block.

The invention discloses a metal product cleaning device and method.The metal product cleaning device comprises symmetrical cross-shaped rods and is characterized in that the symmetrical cross-shaped rods are fixedly connected with connecting blocks respectively, the symmetrical connecting blocks are fixedly connected with vertical rods respectively, the symmetrical vertical rods are fixedly connected with a bottom plate respectively, the symmetrical cross-shaped rods are fixedly connected with arc-shaped grooves respectively, and the arc-shaped grooves are fixedly connected with the bottom plate respectively. The center of the symmetrical arc-shaped grooves coincides with the center of the corresponding cross-shaped rod, second circular shafts are arranged in the symmetrical arc-shaped grooves respectively, the symmetrical second circular shafts are fixedly connected with second rotating wheels respectively, and symmetrical belts surround the corresponding second rotating wheels respectively and are close to the center ends of the corresponding cross-shaped rods. The invention relates to the field of cleaning equipment, in particular to a metal product cleaning device and method. The technical problem to be solved by the invention is to provide the metal product cleaning device and method which are convenient for cleaning.

The invention belongs to the technical field of firefighting equipment, and particularly relates to a fireproof wall. The fireproof wall comprises a horizontal telescopic part, vertical telescopic parts and a curtain wall box. The two sides of the horizontal telescopic part are each provided with a horizontal stretching end, and the two horizontal stretching ends are each fixedly connected with one end of the corresponding vertical telescopic part. The upper ends of the two vertical telescopic parts are each provided with a vertical stretching end, and the two horizontal stretching ends are fixedly connected with two base angles of the curtain wall box correspondingly. The two vertical stretching ends are fixedly connected with two vertex angles of the curtain wall box correspondingly. Thefireproof wall is a rectangular wall when folded, and is convenient to carry; after the curtain wall box is unfolded through the horizontal telescopic part and the vertical telescopic parts, a fireproof curtain in the curtain wall box is unfolded to separate a building section and obstruct smoke, and the building section can be flexibly separated when a fire happens.