247results about How to "Easy tension adjustment" patented technology

A crop conditioner includes a frame mounting a bottom fixed roller and a top liftable roller. The top roller is liftable at each end on a pivot member tensioned by a tension link, a tension spring and a bell crank connected between the tension link and the spring. The bell crank is mounted on the conditioner frame for pivotal movement about a pivot axis which lies transversely to a line parallel to the pivot axis of the second roller so that the bell crank extends from the tension link to the tension spring in a direction outwardly of the radial plane of the roller pivot axis. The spring extends upwardly and forwardly from the bell crank pivot at a rear flange of the frame to an adjustment screw of the spring at a top flange of the frame immediately adjacent an adjustment of a bottom stop of the top roller.

A ball game is provided. The ball game has a generally flat surface which allows balls to bounce. The generally flat surface largely resembles a trampoline. In use, the generally flat surface is substantially parallel with respect to the ground. A user stands on solid ground outside a perimeter of the generally flat surface and bounces the ball off the generally flat surface. The height and tension of the generally flat surface may be easily adjusted.

This invention relates generally to a therapeutic medical garment that supports the abdomen or belly of a pregnant or post-partum woman and of either men or women with distended abdomens. The invention relates to an adjustable-support therapeutic undergarment which lifts the abdomen to prevent irritation of a surgical incision or scar in the lower abdominal or groin region such an incision resulting from a caesarian section or a hernia incision. The invention allows proper healing of the incision, and relieves both stress and strain on the scar and friction from the overhanging abdomen.

The invention discloses a device used for rolling a battery pole piece at a high speed. The device comprises a control system, two double-station automatic winding and unwinding machines, a band connecting device, a piece storage mechanism and a rolling mechanism. The double-station automatic winding and unwinding machines are arranged at an initial end and a tail end respectively. The band connecting device is arranged on the side face of the output end of a battery pole piece band roll of the double-station automatic winding and unwinding machine arranged at the initial end. The piece storage mechanism and the rolling mechanism are sequentially arranged behind the output end of the band connecting device. The output end of the rolling mechanism is connected with the double-station automatic winding and unwinding machine arranged at the tail end. An automatic roll replacing and band connecting mechanism, the piece storage mechanism and the rolling mechanism are all connected with a control system. According to the device, rolling accuracy can be guaranteed, shutdown is not required in the rolling process, roll replacement and band connection are automatically completed, and therefore automated production is achieved.

The invention discloses a multichannel online eliminating conveying belt. The multichannel online eliminating conveying belt comprises a rack (1), an adjustable guide block (2), a chute guide rail (3), a curved chute guide rail (4), a product output adjustment block (5), a plurality of transmission scrapers (6) and a driving mechanism, wherein the adjustable guide block (2) is used for products from a plurality of lines of packers to enter, and the driving mechanism is used for driving the transmission scrapers (6); an eliminating device is arranged below the chute guide rail (3), and the products are driven by the plurality of transmission scrapers (6) along first chutes (2.1), fifth chutes (17.1), second chutes (3.1) and third chutes (4.1) and are discharged from fourth chutes (5.1) in parallel. The multichannel online eliminating conveying belt is automatic equipment and has the advantage of high weight precision, multichannel products can be simultaneously weighed on the same conveying belt, and the products of which the weight is unqualified are completely eliminated.

The invention provides a cage door device and an encoder which is suitable for a cage door motor 4 in the cage door device. The cage door device comprises a door head 3, the cage door motor 4, a circulating system, a guide rail 8, a left hanging plate, a right hanging plate, a left door plate, a right door plate, an anti-theft device 26, a door knife 25, an anti-collision device 15 and a frequencyconverter 17, wherein the circulating system comprises a driving wheel 5, a driven wheel 6, a tensioning device 16 and a transmission belt 7 connected between the driving wheel 5 and the driven wheel6; the left hanging plate and the right hanging plate are hung on the guide rail 8; and the left door plate and the right door plate are hung on the left hanging plate and the right hanging plate. The cage door device is characterized by being provided with an integrated anti-theft door knife device 12 comprising the anti-theft device 26 and the door knife 25, the cage door motor 4 is arranged ona bracket 20 positioned at the front of the door head 3, and the cage door motor 4 directly drives the driving wheel 5 to drive the circulating system to do cyclic reciprocating motion within the width range of the door head 3. The invention also provides the encoder which is suitable for the cage door motor 4 in the cage door device. Compared with the prior art, the invention has the characteristics of compact structure, safe and reliable use, greatly-reduced manufacturing cost, energy saving, environment protection, stable performance; and the anti-collision device is arranged so as to avoid from generating noise caused by hard collision due to the power effect when the cage door device is opened or closed in place. The installation of the integrated anti-theft door knife device effectively prevents passages from pulling the cage door away and generating dangers.

The invention discloses a multilayer carbon fiber cloth tensioning and anchoring device and method for concrete structure reinforcing. The device comprises a fixing end anchorage device, a tensioning end anchoring device and a combined tensioning end anchorage device. The combined tensioning end anchorage device can be split into a wedge-shaped anchoring end and an anchorage device top end. The two ends of multilayer carbon fiber cloth are clamped through the fixing end anchorage device and the combined tensioning end anchorage device, tension is applied to the tensioning end anchoring device through a jack, and a guide rod connected with the tensioning end anchoring device is used for carrying out prestress tensioning and anchoring on the multilayer carbon fiber cloth. The characteristics that carbon fibers are light and high in strength can be fully exerted, the strength utilization rate of the carbon fibers is obviously increased, stress and flexural deformation of the concrete structure are effectively reduced, beam cracking is delayed, the width of cracks is reduced, and the bearing capacity of the structure is further improved.

A compression device can treat edema with a number of curved shells, each having an internal pad. A ligature network employing tensioners is routed across the shells for compressing them. Tensioners on at least some of the shells can separately adjust tension in different portions of the ligature network. The ligature network is (a) releasably mounted on the shells, and (b) repositionable to allow spatial adjustment of compression forces produced by the compression device. By adjusting the routing of the ligature network across the shells, tailored compression forces are provided. With a body part embraced by the padded shells, tension is separately adjusted in different portions of the ligature network to provide different compression forces at spaced positions along the plurality of padded shells.

A method and apparatus for a conveyor tensioning system comprising a main frame with at least one main frame roller pivotally mounted thereto for engagement with a conveyor belt. A moveable frame is engaged with the main frame at an engagement interface such that the position of the moveable frame with respect to the main frame may be adjusted in at least one dimension. The moveable frame also includes at least one moveable frame roller pivotally mounted thereto for engagement with a conveyor belt. The position of the moveable frame with respect to the main frame may be actuated by hydraulic cylinders or other mechanical systems. As the distance between the main frame and moveable frame increases, the tension on the belt also increases.

The invention discloses a dual-layer taping and winding machine. The dual-layer taping and winding machine comprises a winding assembly and a servo motor driving the winding assembly to rotate, and further comprises a first taping assembly and a second taping assembly, wherein the winding assembly comprises a plurality of tension sets, a rotary plate and a main shaft; the tension sets are fixed on the rotary plate; the main shaft is used for supporting the rotary plate and is connected to an output shaft of the servo motor; each of the first taping assembly and the second taping assembly comprises a taping shaft, a motor driving the taping shaft to rotate, and a plurality of swing arms arranged at the periphery of the taping shaft; an inner hole allowing a cable to pass through is axially formed in the taping shaft; the swing arms are axially arranged on the taping shaft; the two swing arms are connected through a positioner; the swing arms are driven by the drive motor to adjust taping tension force through the positioner. The dual-layer winding machine is compact in structure, saves space, improves the production efficiency, and can guarantee electric properties of the cable.

The invention discloses a real-time on-line detection system for tension of a steel wire rope for an elevator. The detection system comprises a cloud server, a sensor, an information collection board, an intelligent decision-making terminal, a hand-held monitor and an elevator system, wherein the sensor monitors the tension for dragging the steel wire rope in real time and online displays a numerical value of the tension received by the steel wire rope, so that all the tension for dragging the steel wire rope is conveniently adjusted to be uniform, the service life of the steel wire rope is prolonged, and the elevator running comfortableness is improved; by monitoring the change of the numerical value of the tension for dragging the steel wire rope in real time, whether there are persons in a car can be determined, and a weighing function of the elevator is realized; the intelligent decision-making terminal receives data, makes a local decision according to set logic, and controls the elevator to emergently stop running or stop running after the elevator stops nearby in an abnormal state, thereby avoiding sudden accidents; and the cloud server collects historical big data, performs comparison, analysis, judgment and depicts a change trend of the tension of the steel wire rope, and if the trend becomes bad, a preventive and targeted maintenance service can be performed, thereby improving a safety coefficient of elevator running.

The invention discloses a rubber roller belt sander, wherein a long strip-shaped support frame is positioned on a base; a driving wheel can be rotationally positioned at one end of the support frame; a driven wheel can be rotationally positioned at the other end of the support frame; the driving wheel and the driven wheel are arrayed in parallel; a ring-shaped abrasive belt is arranged on the driving wheel and the driven wheel in a sleeving manner; the driving wheel is driven by a motor to rotate; a driven shaft on the driven wheel is inserted in a shaft sleeve at the other end of the support frame; and the driven shaft can be driven by a deviation rectifying adjusting device on the shaft sleeve to rotate around a shaft perpendicular to the axial direction of the driven shaft and the length direction of the ring-shaped abrasive belt. According to the rubber roller belt sander, an adjustment of the axis parallelism of the driving wheel and the driven wheel can be realized, so that the stability of the operation of the abrasive belt can be realized; the tension adjustment of the ring-shaped abrasive belt is convenient, so that the ring-shaped abrasive belt can be adapted to processing of different materials, and the replacement of the ring-shaped abrasive belt is facilitated, the rotation of the whole ring-shaped abrasive belt around an axial line of the driving wheel can be realized, the contact angle of the abrasive belt and a workpiece can be changed, the contact position of the abrasive belt and the workpiece can be changed, and different processing demands can be met.

The invention provides a hardware tool abrasive belt polishing machine, which comprises a machine body, a machine frame and a lock rod device, wherein the machine body comprises a machine frame, a lock rod device, a polishing device, a tension regulation device, a guiding device, a driving device and an abrasive belt which are arranged on the machine frame; the vertical rod is vertically arrangedat the upper part of the bottom plate; the lower end of the vertical rod is connected with the bottom plate through a screw bolt; the transverse rod is horizontally arranged at the upper end of the vertical rod; the two ends of the transverse rod are respectively connected with the vertical rod through screw bolts; a reinforcing plate is arranged at one side of the end part of the vertical rod; the vertical rod is connected with the bottom plate and the transverse rod through the reinforcing plate; the slide rod is horizontally arranged at the upper part of the transverse rod. Through the improvement on the hardware tool abrasive belt polishing machine, the hardware tool abrasive belt polishing machine provided by the invention has the advantages that the structure is compact; the assemblyand the installation are easy; the use is flexible and convenient; the polishing angle can be conveniently regulated; the tension degree of the adhesive belt can be conveniently regulated; the use isreliable, so that the problems and defects in the background in the description can be effectively solved and overcome.

A belt sander includes a main frame, a drive roller, a driven roller, a sand belt, and a sand belt replacement apparatus. Thus, the user only needs to rotate the control handle to move the driven roller relative to the drive roller so as to change the distance between the drive roller and the driven roller so that the user can adjust the tension of the sand belt easily and rapidly, thereby facilitating the user adjusting the tension of the sand belt, and thereby facilitating the user mounting and replacing the sand belt.

The invention discloses a visualized big container experimental method of boiling heat transfer, belonging to the field of energy heat transfer. The visualized big container experimental method of boiling heat transfer is characterized in that an experimental device is mainly formed by a support, a heating wire fixing and regulating mechanism, a water bath heating mechanism, a high-speed camera, a scanning electron microscope, and the like. The experimental method comprises the following specific steps: carrying out device regulation preparation before experiments; then heating working media; beginning experiments after the temperature reaches the set value; carrying out information collection by utilizing the scanning electron microscope and the high-speed camera; then regulating the working conditions and acquiring data information under different working conditions. The experimental method is applicable to experiments of various working media and can be used for directly observing the growth process of bubbles on a heating wire and various jet flow phenomena and obtaining the relation between the diameter of the bubbles on the heating wire and heat flux, thus providing a theoretical study basis for studying the problem of boiling heat transfer.

The invention provides a fabric weft inclination detection method based on image analysis, and belongs to the field of fabric detection. Fabric weft inclination can be easily caused so as to influence the quality of the finished product of fabric as the tension is uneven in the fabric after-treatment technical process such as washing, bleaching and dyeing, so finding a way of automatically detecting the welt inclination in the after-treatment technical process is one of the most difficult problems in dire need of solution in the textile industry; moreover, the photoelectric detection method for weft inclination has the shortcomings of generating dead angle in distinguishing during detecting and bringing low precision in detecting, and is also limited by the category of the fabrics, and cannot be applied to thick fabric or the fabric with inclined textures. Therefore, the fabric weft inclined detection method based on image analysis is provided. The fabric weft inclination detection method comprises the steps of: acquiring the image of a moving fabric by a linear array industrial camera; converting the image of the fabric into the frequency domain by the Fourier transform; carrying out peak-point filter on a magnitude spectrum chart; and finally determining the angle of a weft yarn system, so as to finish the automatic detection of the weft inclination. By adopting the fabric weft inclination detection method provided by the invention, the fabric weft inclination can be automatically detected, so that the quality of the finished product of a textile can be improved.