9results about How to "Keep straight" patented technology

Crossed cloth wetting towel machine, including setting up in proper order along wet towel delivery direction's unwinding frame, turning to mechanism, front traction subassembly, folding mechanism, water spraying mechanism, cutting mechanism and output mechanism, water spraying mechanism's front and back both sides all are provided with a group of rear traction subassembly, two groups rear traction subassembly realize synchronous drive through drive subassembly, folding mechanism includes folding frame and is provided with several groups folding subassembly on folding frame, each group folding subassembly includes two folding base plates that are set up opposite up and down, two folding base plates between vertically are equipped with two folding plates, and the folding groove for wet towel is formed between two folding plates, the utility model discloses a progressive V-shaped folding groove that is formed by the vertically arranged folding plate realizes compact and accurate folding, and the double traction structure on both sides of the water spraying mechanism ensures stable conveying of the wet towel before and after adding liquid, and also has a draining function, the synchronous transmission of traction and output reduces the manufacturing cost, and ensures the operation synchronization of the whole line.

The utility model provides a tightener for electric power construction, which relates to the technical field of tighteners and comprises a support, a take-up roller is rotatably arranged between the front inner wall and the rear inner wall of the support, a steel rope is wound around the take-up roller, and one end of the steel rope is provided with a joint piece. The combined piece comprises a square block and clamping plates, one end of the square block is fixed to the steel rope, a through groove is formed in the square block, the two movable clamping plates are arranged in the through groove, and a two-way screw is rotationally arranged at one end of the square block and used for controlling the two clamping plates to move. According to the utility model, the two clamping plates clamp a cable at the same time, and force can be uniformly applied from two directions, so that the cable is stably fixed in the circular through groove, shaking and displacement of the cable are reduced, and the cable is stably clamped; and meanwhile, the two clamping plates are screwed through the two-way screw rod and are lifted up and down at the same time, it can be guaranteed that pressure borne by the cable in the circumferential direction is more uniform in the clamping process, and an insulating layer or an internal structure of the cable is prevented from being damaged.

The present invention belongs to the field of wire processing equipment, especially a multifunctional tubular terminal stripping and crimping machine. In view of the problem that the existing terminal stripping and crimping machines are not convenient for coaxial stripping and wire twisting functions at the same station, and the processing quality is poor and the efficiency is low, the following scheme is proposed, which includes a half-stripping cylinder and a full-stripping cylinder, the half-stripping cylinder is installed on one side of the full-stripping cylinder, the output shaft of the full-stripping cylinder is connected with a stripping length motor and a stripping depth motor, the stripping depth motor is installed at the bottom of the stripping length motor, and the stripping length motor and the stripping depth motor are installed on one side with the same connecting plate, and the output shaft of the stripping length motor is installed with a lead screw. The mechanical structure of the present invention is compact, and the convenience of fast work at the same station makes the machine highly flexible in action and highly efficient in production. In addition, the two required functions can be performed at the same station at the same time, and the coaxiality ensures that the wire core is straight, improves quality requirements and stably improves efficiency.

The utility model relates to a vehicle steering device and a single-wheel guide trolley, which belong to the field of guide wheel steering and comprise a transmission mechanism, a speed reduction assembly, a detection assembly and a guide wheel, the transmission mechanism is arranged on the speed reduction assembly, is connected with a bearing of the speed reduction assembly and is used for driving the speed reduction assembly to rotate to control the steering of the guide wheel; and the speed reduction assembly is arranged between the transmission mechanism and the detection assembly and is used for driving the detection assembly to rotate and increasing the rotation resistance of the guide wheel. The driving angle of the guide wheel is difficult to change through the speed reduction assembly, and the detection assembly detects the angle of the guide wheel at any time and provides the changed angle of the guide wheel for the transmission mechanism, so that the speed reduction assembly is driven by the transmission mechanism to rotate by the same angle in the opposite direction; and meanwhile, the speed reduction assembly drives the detection assembly and the guide wheel to rotate by the same angle, so that the driving angle of the guide wheel is aligned, and the effect that the vehicle keeps straight driving is achieved.

The present invention relates to the field of adhesive tapes, and in particular to a BOPP adhesive tape with oxidative discoloration at a fracture and a preparation method thereof, the preparation method comprising: mixing an acrylic emulsion and an organic photochromic material to prepare a photosensitive discoloration emulsion; preparing a pressure-sensitive adhesive; sequentially coating a photosensitive discoloration emulsion and a pressure-sensitive adhesive on a BOPP biaxially oriented polypropylene film to form a discoloration layer and an adhesive layer respectively to prepare the adhesive tape, and rolling the tape up. The adhesive tape of the present invention is endowed with a discoloration function by arranging a discoloration layer between the adhesive layer and the base layer; both sides of the discoloration layer can be treated to be opaque to achieve the technical effect that the adhesive tape only changes color at the cut; in order to improve the stability of its discoloration, chitosan methacrylate is added to improve the tensile effect.

The utility model relates to the technical field of electric power operation and maintenance, in particular to a high-voltage line insulator crushing device which comprises a corner connecting rod, the corner connecting rod is of an obtuse-angle bending structure, a crushing head is fixedly arranged at the front end of the corner connecting rod, an extension rod is welded and fixed at the rear end of the crushing head, a handle rod is sleeved on the extension rod, and a long screw is arranged in the handle rod. A rotary knob is fixedly arranged at the upper end of the long screw, a threaded hole is formed in the extension rod, a circle of rotary clamping plate is fixedly arranged on the portion, between the rotary knob and the handle rod, of the long screw, and the outer side of the rotary clamping plate is sleeved with a protective cover. According to the utility model, a corner bending type structure is adopted as a whole, a mechanics principle is utilized, a better mechanics angle and a more convenient operation mode are provided in a crushing process, force application is facilitated, the crushing convenience of an insulator is improved, a clamping structure is formed for the insulator by utilizing the upper jaw plate and the lower jaw plate, the insulator is conveniently and rapidly crushed, and the crushing efficiency is improved. The operation difficulty is reduced, and the physical exhaustion of operators can be effectively reduced.

This invention discloses a multi-stage drilling trajectory stabilizer, comprising an outer casing and an electric cylinder. An mounting cylinder is fixedly installed on the top of the outer casing, and an auxiliary stabilizing sleeve is fixedly installed inside the mounting cylinder. Two sliding grooves are formed inside the outer casing, and sliding rods are slidably installed inside each of the two sliding grooves. An extension connecting rod is threaded to the top of each sliding rod, and a connecting sleeve is fixedly installed on the top of each sliding rod. The invention employs a dual stabilizing structure with the auxiliary and main stabilizing sleeves working in tandem, guiding and constraining the drill rod during the drilling and deep hole machining stages respectively. This fundamentally ensures a straight drilling trajectory and precise hole positioning, significantly improving drilling accuracy and hole shape quality. The main stabilizing sleeve can move downwards in real time with the drilling depth, and a connector extends into the hole for auxiliary positioning, effectively solving the problems of drill rod wobbling and deflection during deep hole machining, reducing the risk of drill rod vibration and breakage, and extending the service life of the drill rod.

The invention discloses a pile cap treatment silt soft foundation construction method, which relates to the technical field of building construction, and comprises the following steps: S1, firstly determining the positions of a pile cap and a pile foundation; s2, drilling is conducted at the drilling position through a piling and drilling mechanism at the preset position, self-adjusting installation of a grouting mechanism at the drilling position is conducted, and the grouting mechanism and the piling and drilling mechanism are disassembled; s3, other grouting mechanisms are fixed to the piling and drilling mechanism, and the step S2 is repeated; s4, a plurality of main steel bars are inserted into the grouting mechanism, and grouting is conducted; and S5, after cement is solidified, the grouting mechanism is taken out, and the pile bearing platform is poured. According to the method, through cooperation of the grouting mechanism and the piling and drilling mechanism, during drilling, a grouting hollow rod gradually goes deep into a drill hole to form effective isolation on the silt soft foundation, so that the drying and forming speed of the pile foundation is increased, the pile foundation is formed by grouting the grouting hollow rod, and the pile bearing platform is formed. The drill holes can be effectively prevented from staggering and deviating due to the mobility of the soft foundation, and the straightness and perpendicularity of the drill holes are kept.

This utility model discloses a fabric pattern making and cutting machine for thermal down jackets, including a main body of the fabric cutting machine. Mounting brackets are fixedly installed on both sides of the main body. A pressure plate is installed on the top of each mounting bracket. Adjusting screws are rotatably installed on the top of each mounting bracket. The pressure plate is threaded onto the two adjusting screws. Second mounting brackets are fixedly installed on both sides of the main body of the fabric cutting machine. An electric push rod is fixedly installed on the top of each second mounting bracket. This utility model can flatten the fabric when it is fed in, ensuring normal fabric feeding while smoothing out uneven wrinkles on the fabric surface. This ensures straight and flat fabric edge cut lines, improves the accuracy of fabric pattern making, enhances the quality of down jacket pattern making, improves the aesthetics of the garment, reduces defects and rework, and increases the efficiency of down jacket production.