35results about How to "Avoid side bends" patented technology

The steel wire straightening machine comprises a bottom plate, an unwinding mechanism and a self-adaptive straightening mechanism, the unwinding mechanism comprises a linear guide rail, a winding frame, a sleeve, a motor, a spline shaft, a double-helix guide rod, a crescent plate and a transmission assembly, the linear guide rail is arranged on the bottom plate, and the winding frame is installed in the guide rail in a matched mode; the self-adaptive straightening mechanism comprises a rubber roller, a sliding block, a lead screw, a lower pressing rod and an intermittent transmission assembly. When a steel wire coil is unwound through the unwinding mechanism, the spline shaft rotates along with the unwinding mechanism and drives the double-helix guide rod to rotate through the transmission assembly, finally, the crescent plate translates in a reciprocating mode along the double-helix guide rod, the winding frame translates along with the crescent plate, and therefore lateral bending force cannot be generated when the steel wire enters the self-adaptive straightening mechanism in the unwinding process; and the self-adaptive straightening mechanism drives a lower pressing rod to vertically translate according to the contact between the conveyed steel wire and a rubber roller, so that the self-adaptive straightening mechanism can apply straightening force according to the bending degree of the steel wire in a self-adaptive manner.

The probe has a probe pin (2) with a probe element (6) for scanning an object (5) by moving relative to a base body (1) against a spring force. The probe pin is biased in the measuring direction (X) by several spring elements (7,8). A guide element (4) is provided between each two spring elements. The guide element is displaceably mounted on the probe pin and on the base body.

The invention relates to a T-profile manufacturing tool, and belongs to the technical field of ship repairing and building. The T-profile manufacturing tool comprises a fixed platform (1). The fixed platform (1) comprises left and right side plates (1.1) arranged parallel to each other and an intermediate supporting plate (1.2), and top plates (1.4) are respectively arranged inwardly at the top of the left and right side plates (1.1), a groove (1.5) is formed between the left and right top plates (1.4). A plurality of transverse supporting plates (1.6) are arranged both on the left and right sides of the intermediate supporting plate (1.2) and between the bottoms of the left and right top plates (1.4). The top of the transverse supporting plate (1.6) is flush with the top of the intermediate supporting plate (1.2), both the left and right sides are provided with a row of pin rocker bearings (2), and a rotatable anchor is arranged on each pin rocker bearing (2). The T-profile manufacturing tool is characterized by improving the production efficiency greatly,ensuring the finished product quality and increasing the construction safety.

The invention discloses a side bending prevention device of a truss welding production line. The side bending prevention device is located above a lower welding electrode on one side of an upper welding electrode and structurally characterized in that a trapezoid tank is formed in the bottom of a strip-shaped bending prevention template and inserted in two sides of an upper rotary rib and two sides of a web bar, the bending prevention template is flexibly connected to a bending prevention main plate located on the bending prevention template, the bending prevention main plate is fixed in an adjusting rack, and the upper end of the adjusting rack is fixed to a lifting rack; an adjusting mechanism for adjusting the position of the bending prevention main plate is arranged on the adjusting rack, the bending prevention main plate and the bending prevention template are equally long, two side faces at the two ends of the bending prevention main plate are provided with a pair of limiting plates respectively, the two pairs of the limiting plates are symmetrical in position, and the two ends of the bending prevention template are limited between the each pair of the limiting plates respectively. The side bending prevention device has the advantages of being novel in structure, convenient to adjust and reliable, saving production cost, lightening labor intensity, preventing rebar from being laterally bent, and ensuring that a welded truss is attractive and is not bent.

The invention discloses a building material smashing device. According to the building material smashing device, gear sets are used for extruding and smashing building materials; in order to prevent that the upper and lower gear sets are stuck by large particle diameter building materials and the device is damaged, according to the building material smashing device, a shaft driving an upper gear is fixed to a shell through an elastic device, so that when the large particle diameter building materials exist, the device can achieve buffering through the elastic device, and device damage is avoided; and meanwhile, it is avoided that the elastic device with certain length is laterally bent, the shaft of the upper gear deviates from a track, and a fault happens.

The invention provides a solar self-adaptive traffic sign. The invention relates to the technical field of traffic signs, stand column, a supporting structure is fixedly installed at the bottom of thestand column. The supporting structure comprises a steel column. A steel column is fixedly installed at the bottom of the stand column. The outer surface of the steel column is sleeved with a slidingsleeve. Three rotating shafts are arranged on the outer surface of the sliding sleeve in a circumferential mode, the sliding sleeve is rotationally connected with a supporting plate through the threerotating shafts, a supporting plate is fixedly installed at the end, away from the stand column, of the steel column, extending plates are slidably connected to the four corners of the interior of the supporting plate, and a limiting plate is fixedly installed on the side wall of one side of the outer surface of the sliding sleeve. According to the traffic sign, through double stabilization of the bottom of the stand column, the situation that when the bottom of the traffic sign is installed, the bottom of the stand column is laterally bent due to large stress, and consequently the whole traffic sign deviates from the preset position during installation is avoided, and the practicability of the traffic sign is improved.

The invention discloses an elastic expansion spine growth rod system. The system comprises an orthopedic rod, a clip, a spring and a spring sleeve; the orthopedic rod is a round rod, the clip comprises a snap ring and a locking screw, the snap ring sleeves the orthopedic rod, the snap ring is provided with a screw hole, and the locking screw runs through the screw hole to be in locked connection with the orthopedic rod; the spring sleeves the orthopedic rod between the end of the orthopedic rod and the clip, and the spring is sleeved with the spring sleeve; the spring sleeve is a square tube.The elastic expansion spine growth rod system can not only prevent scoliosis from being aggravated, but also can continuously exert an expansion effect along with the growth of the spine of a child patient, the structure is simple, the use is convenient, the manufacturing cost is low, the operation frequency is greatly reduced, the bending expansion force is larger, and the corrective effect on patients with large curvature of the scoliosis is better.

The invention provides a rigid slab continuous casting slab ingot casting rod. The rigid slab continuous casting slab ingot casting rod is characterized in that in the rigid ingot casting rod, a spring plate is embedded into a key groove and a screw, so that the rigidity of a dummy bar is guaranteed, and the flexibility of the dummy bar is increased. Meanwhile, the spring plate is embedded in thedummy bar, so that lateral bending caused by heat deformation caused by direct radiation of heat on the spring plate is avoided; a roller of a withdrawal and straightening machine can be prevented from directly acting on the spring plate to extrude and deform, and if the clamping forces on the two sides of the withdrawal and straightening roller are different, the spring plate on the two sides extend out. At the same time, each transition section, each connecting section and the like are connected through pin shafts, and each section is provided with a hoisting hole, so that replacement and hoisting of spare parts are facilitated. In addition, the invention provides a manufacturing method of the rigid slab continuous casting slab ingot casting rod.

The invention relates to a machining process method suitable for a long and thin iron-stainless steel rod piece. According to the machining process method suitable for the slender rod piece made of the ferritic stainless steel, machining and detection are combined in real time, deformation of the slender rod piece made of the ferritic stainless steel in the machining process is effectively reduced from the angle of the machining process, so that the machining quality of the slender rod piece is improved, and it is guaranteed that the size precision and the form and position precision of the slender rod piece meet the requirements. According to the method provided by the invention, machining is carried out in a one-jacking and one-clamping manner, and the follow rest is used within the full-length machining length of the slender rod piece made of the iron and stainless steel, so that the situation that the slender rod piece made of the iron and stainless steel is laterally bent due to improper clamping force is avoided. Meanwhile, according to the method provided by the invention, the feed amount is as small as possible, the pressure generated by a cutter on the slender rod piece made of the molten iron in each machining step is reduced, and the lateral bending of the slender rod piece made of the molten iron is reduced, so that the straightness of the slender rod piece made of the molten iron is controlled; and the requirement on the surface roughness of the slender iron-stainless steel rod piece can be better met by small feeding amount.

The invention relates to a vertical general assembly jig frame for a container ship lashing bridge. The vertical general assembly jig frame comprises a strip-shaped jig frame, a plurality of frame backers and a plurality of square tube fixing devices, wherein the strip-shaped jig frame is fixedly installed on a piece of embedded iron in a general assembly site; the plurality of frame backers are evenly distributed on the strip-shaped jig frame; each frame backer comprises two support rods and two connecting rods for connecting the two support rods, wherein the lower ends of the two support rods are fixedly installed at the upper end of the strip-shaped jig frame; each square tube fixing device is installed at the outer sides of the two corresponding support rods; the square tube fixing devices are used for fixing square tubes of the lashing bridge. The vertical general assembly jig frame is simple in structure, convenient in construction and short in general assembly period, and not only can greatly save the precious general assembly site, but also greatly reduces the on-board adjustment work load; furthermore, a turnover lifting lug is not needed during vertical general assembly, so that the strength of welding and grinding is greatly reduced; after the vertical general assembly jig frame is used, the process advancing aim of 'doing on-board operation after going ashore, and doing overhead operation at low altitude' is realized, the building period is shortened, and the working efficiency is increased.

The invention belongs to the field of steelmaking continuous casting, and relates to a method for preventing square billets from laterally bending in a stack cooling process, which comprises the following steps: when casting billets are primarily cooled by a rolling cooling bed, advance to the tail end of the cooling bed, are collected by a collecting device to be in a six-piece closed state, and are ready to be offline by a travelling crane, fixing clips are clamped at two ends of the casting billets; casting blank offline stacking is carried out through a traveling crane (clamp), the clamp is recycled when the surface temperature of the casting blank is reduced to 300 DEG C or below, sidewise bending caused by internal stress in the cooling process is reduced, and convenience is created for production of the next procedure.

The invention discloses a crane girder which comprises a lower cover board, wherein a repair device for repairing down-warping or sidewise bending of the girder is arranged on one side, departing from the girder, of lower cover board; the repair device comprises a first base and a second base which are fixedly arranged at the two ends of the lower cover board; a plurality of tensioning steel strands extending in parallel are assembled between the first base and the second base; at least one of supporting and propping device is arranged between the lower cover board and the steel strands; the supporting and propping device comprises an upper connecting part and a lower connecting part; the upper connecting part is fixedly arranged on the lower cover board during use; the lower connecting part is in propped fit with the steel strands during use; a supporting stud is supported between the upper connecting part and the lower connecting part; the two ends of the supporting stud is in fixed fit with the upper connecting part and the lower connecting part, so that the upper connecting part and the lower connecting part are assembled into a whole; the supporting stud is positioned at two ends of the upper connecting part and the lower connecting part along the girder extending direction; and the supporting and propping device also comprises a middle propping structure which is supported between the upper connecting part and the lower connecting part and used for preventing sidewise bending of the supporting stud. The whole supporting and propping device is stable, so sidewise bending of the supporting stud is effectively avoided.

The invention discloses a traction device for narrow-band continuous casting of copper and copper alloys, which comprises a bottom plate, four electric telescopic rods distributed equidistantly on the upper surface, and a box at the top of the electric telescopic rods. Two mounting plates 2 are provided at the front and rear sides of the inner cavity close to the bottom surface. The traction device for continuous casting of copper and copper alloy narrow strips is reasonable in structure and strong in practicability. The upper traction wheel and the lower traction Copper and copper alloy narrow strips are driven by the pulley for traction, the slipping between the traction wheel and the strip and the side bending of the strip during the traction process can be prevented through the limit plate and the anti-skid ball, and the upper traction can be guaranteed through the gear, rack and chute The wheels move up and down smoothly, and are used to pull strips of different thicknesses. The device can be easily opened for cleaning and maintenance through the upper cover, and the height of the device can be easily adjusted through the electric telescopic rod. It is convenient to use and suitable for popularization and use.

The invention relates to a full-symmetrical cylindrical membrane wall assembly tooling and an assembly method which are applicable to high-efficiency gasifiers in the coal chemical industry. The method includes the following steps: (1) a membrane wall welder is used for welding round pipes and steels into membrane wall units, and each membrane wall unit consists of the round pipes and the flat steels; (2) the first group of membrane wall units are mounted on a positioner, the lower ends of directional blocks are vertically welded on positioning rings, and thereby the first group of membrane wall units only can be axially moved on the positioner; (3) a second group of membrane wall units which are fully symmetric with the first group of membrane wall units are mounted on the positioner; (4) the two groups of membrane wall units are welded together, and weld joints are located at the middle between the two groups of membrane wall units; (5) according to the method, the welding of the whole cylindrical membrane wall is sequentially carried out. The full-symmetrical cylindrical membrane wall assembly tooling and the assembly method which are disclosed by the invention can adjust the welding sequence, so that the weld joints can always be located at the geometrical middle of the welded workpiece, and thereby great bending is prevented in the process of welding.

The invention relates to a method for manufacturing a T sectional material. The method includes the following steps that first, a manufacturing tool is obtained; second, a panel marked with the center installation line is laid in a groove of the tool; third, a rotating backer at one side of a fixed platform is closed and further locked with a wedge-shaped locking block; fourth, a matched web is vertically hoisted onto the panel through hoisting equipment, so that the web abuts against the closed rotating backer firmly; fifth, a rotating backer at the other side of the fixed platform is closed and further locked with a wedge-shaped locking block, and then the panel and the web are positioned by means of spot welding; and sixth, the backers at the two sides of the fixed platform are loosened, two welding tractors are arranged at the two sides of the web so that the two sides of the web can be welded at the same time, and the T sectional material can be manufactured after welding is completed. By the adoption of the method for manufacturing the T sectional material, production efficiency is greatly improved, final product quality is guaranteed, and construction safety is improved.

The invention relates to a health detection system with an office device. The health detection system comprises a table top, a support, a lifter, a vital sign detection device, a communication module and a main control module. The support is arranged under the table top and used for supporting the table top, the lifter is located in the support and used for controlling the height of the support, the vital sign detection device, the communication module and the main control module are arranged in the table top, the vital sign detection device is connected with the main control module which is connected with the lifter through the communication module, and an opening is formed in the side face of the table top so that the vital sign detection device can detect a human body through contact with the human body to obtain health data of the human body. The vital sign detection device sends the health data to the main control module, the main control module sends a height control command to the lifter through the communication module according to the health data, and the height of the support is controlled. The health detection system can obtain health data of human bodies in real time.

The invention relates to the field of pen assembly, in particular to an automatic ink absorption strip installing device for marking pen points. The device comprises a workbench, wherein an ink absorption strip conveying rail and a pen point conveying rail are arranged above the workbench side by side, an ink absorption strip installing and positioning area is arranged below the ink absorption strip conveying rail, a pen point installing and positioning area is arranged below the pen point conveying rail, the ink absorption strip installing and positioning area and the pen point installing andpositioning area are arranged in a penetrating mode, an assembling mechanism is arranged on the workbench, a limiting step is formed at the end, away from the ink absorption strip installing and positioning area, of the pen point installing and positioning area, the assembling mechanism comprises a first air cylinder and a push block arranged on an output shaft of the first air cylinder, the pushblock can move left and right along the pen point installing and positioning area, a sliding groove is formed in the workbench, the sliding groove and the pen point installing and positioning area are parallel and arranged at intervals, a pushing mechanism for pushing the installed pen points to the sliding groove from the pen point installing and positioning area is arranged on one side of the pen point installing and positioning area, and a discharging mechanism for pushing the installed pen points out in the axial direction of the sliding groove is further arranged on the workbench.