33results about How to "Avoid twisting damage" patented technology

The invention discloses a zero-torque anchor rod pre-tightening machine tool amongin machine tools for increasing the pre-tightening force of anchor rods. The zero-torque anchor rod pre-tightening machine tool A product mainly comprises a hydraulic jack, a bearing sleeve, a connecting rod, a transition nut, a tail nut and a fastening nut structure. The zero-torque anchor rod pre-tightening machine tool disclosed by the invention is connected with an anchor rod by characterized in that the parts are utilized for forming the zero-torque machine tool for increasing the pre-tightening force of an anchor rod, the connecting rod and the transition nut are utilized for connecting the zero-torque anchor rod pre-tightening machine tool and the anchor rod; the hydraulic jack pushes the bearing sleeve to act on an anchor rod pallet,; simultaneously, the connecting rod is pulled to pre-tighten the anchor rod,; and finally, the fastening nut structure is used for fastening the anchor rod with high pre-tightening force. According to the zero-torque anchor rod pre-tightening machine tool disclosed by the invention, the problems that as an existing anchor rod only due to utilizes aation of the thread structure on the existing anchor rod, the increase of the pre-tightening force is low, the combined stress of the end part of the anchor rod is concentrated, the anchor rod is easily twisted in the fastening process, and the stressing of a roadway support is not uniform and the like are solved. The zero-torque anchor rod pre-tightening machine tool disclosed by the invention has the advantages of ultrahighthat the pre-tightening force is ultrahigh, zero torque is achieved, the alleviation of concentration of the combined stress at the root part of the thread is reduced and simplicity in the operation is simple, and is applicable to high pre-tightening force operation of the anchor rod or the fastening operation of the thread structure.

The present invention relates to a contents refillable paper tube container. According to the present invention, a contents refillable paper tube container enables: a pumping member to be combined with a paper body in a detachable manner; and a combination part to be formed on the lower part of the pumping member in order to replace a pouch, thereby reducing manufacturing costs and shortening manufacturing time since the pouch can be fixed and replaced through a simple structure.

The invention discloses a wind-water linkage embedded fire-fighting spraying smoke exhaust system. The wind-water linkage embedded fire-fighting spraying smoke exhaust system comprises a smoke exhaustpipe and a fire-fighting water pipe which are buried in a wall body, wherein the fire-fighting water pipe is located in the smoke exhaust pipe and is mounted in the middle; a spraying smoke exhaust device is mounted on the smoke exhaust pipe and the fire-fighting water pipe in a common thread sealing manner; a water inlet channel and a water drainage channel are arranged at the upper and lower ends of the spraying smoke exhaust device in an inward concave manner respectively; a rotary sleeve is mounted between the water inlet channel and the water drainage channel in a common sealing and rotary manner; and a sealing ring is mounted in the water drainage channel. According to the wind-water linkage embedded fire-fighting spraying smoke exhaust system, the fire-fighting water pipe and the smoke exhaust pipe are mounted in a mother-child manner so that the spraying smoke exhaust device can be used for spraying and extinguishing fire and exhausting smoke and defogging at the same time; the water inlet channel and the water drainage channel are connected through the rotary sleeve so that smoke exhaust blades can rapidly rotate to exhaust the smoke and defog; a rubber plug is automatically opened and closed according to the temperature through a temperature sensing bag and a hydraulic supporting column, so that the functions of spraying a fire disaster and stopping when the fire isextinguished are realized.

The invention discloses an automatic LED lamp assembly device, the structure of which includes an organism, a controller, a rotating platform, a disc, a pre-pressing mechanism, an LED lamp body placement cylinder, a glue dispensing mechanism, a manipulator, and a lampshade placement frame 1. Unloading the lamp board, the controller is fixed on the body, the side of the controller is provided with the lamp board connected with the body, and after the lamp board is removed, there is a manipulator connected with the body and a lampshade placement frame. Compared with the prior art, this The effective effect of the invention lies in that the present invention places the LED lamp body by using the LED lamp body placement cylinder composed of cylinder body, support ring, LED lamp body support mechanism, transmission gear, adjustment mechanism and other components, which can be adapted to different specifications and models. For the placement of the LED lamp body, when it is necessary to assemble LED lamps of different specifications and models, there is no need to replace the placement tube, and it is only necessary to adjust the position of the LED lamp body support mechanism to adapt. The adjustment is simple and the adjustment efficiency is high.

The invention provides a refrigerator with a sliding rail routing mechanism, which includes a compartment and a drawer-type door body that are opened to the front. The compartment has a bottom wall, a rear wall and two side walls. The drawer-type door body has Electrical components are provided, and the rear side of the drawer-type door body is also provided with a support frame movably installed on the side wall along the front and rear directions, and the support frame is used to carry the drawer box. The slide rail wiring mechanism includes cables for powering the electrical components, a first wiring box fixed inside the compartment, and a second wiring box fixed on the support frame; the first wiring box The wire box is formed with a first receiving portion and a second receiving portion located below the drawer box, the cable has a fixed section fixed in the first receiving section and runs from the fixed section toward the second A movable segment extending from the box, and the second receiving part is used for accommodating part of the movable segment. The cable routing mechanism of the slide rail can better avoid cable damage, and the work is safer and more reliable.

The invention relates to the high-end equipment manufacturing industry, in particular to a pressure pin unloading device and method for mold adjustment of a hot die forging press. A locking cylinder and a disc spring are used to lock and release the clamping rod, and a sensor is used to detect the clamping rod. Inject high-pressure gas on the friction surface of the slider to achieve balance and stability and lift the pressure pin upward to reduce the gravity and rotational moment of the pressure pin to achieve the purpose of unloading. Make full use of the PLC controller to realize the rotation of the pressure pin and the locking and loosening Detect the PLC control interlock, solve the problem that the pressure pin rotation torque is too large when the hot die forging adjusts the height of the slider, which causes the rapid wear of the copper sleeve and the damage of the bevel gear pair, worm pair, and coupling splines. The hot-touch forging press and its automatic production line can effectively improve the transmission accuracy, reliability and reliability of the hot-touch forging press and its automatic production line. Productivity.

The invention relates to the field of high-end equipment manufacturing industry, in particular to a precision and high-efficiency hot die forging press, including a frame, and the frame is equipped with a forging extrusion force heavy-duty control device, a pressure pin unloading device, Crankshaft bearing bush temperature control device, slider guide temperature control device, ball head temperature control device and clutch temperature control device. The forging force heavy-duty control device can meet the automatic and precise regulation of the forging force under heavy load, and the pressure pin unloading device can float the pressure pin upwards to reduce the rotation torque and the resistance in the transmission link. The temperature control device controls the temperature of the bearing bush precisely, and at the same time performs efficient sealing and thin oil lubrication; the clutch temperature control device is used to realize precise and efficient temperature control of the clutch; the slider guide rail temperature control device and the ball joint temperature control device are used to cool the friction pair Temperature control effectively improves the transmission accuracy, efficiency, reliability and product quality of the equipment, and realizes intelligent operation and maintenance, automatic control and connection.

The invention discloses a three-way sealing ball valve. The three-way sealing ball valve comprises a shell, a cover body and a ball valve element; the shell and the cover body are connected through a flange; a cavity is formed by the shell and the cover body; the ball valve element is installed in the cavity; a valve rod is installed on the ball valve element; a balance arm is installed on the shell; a plurality of communicating pipes are arranged on the shell; the axes of the communicating pipes are located on the same plane; and the axes of the communicating pipes are perpendicular to each other. The three-way sealing ball valve has the beneficial effects that when the valve rod is rotated, the balance arm is held by the other hand, so that the influence on the shell when the ball valve element is rotated is reduced, and twisting damage to a pipeline communicated with the three-way ball valve is avoided.

The invention discloses a wind-water linkage embedded fire-fighting sprinkler smoke exhaust system, which comprises a smoke exhaust pipe and a fire-fighting water pipe buried in a wall. The common thread seal is equipped with a spray smoke exhauster, and the upper and lower ends of the spray smoke exhauster are respectively concavely provided with a water inlet channel and a drainage channel, and the common sealing rotation between the net water inlet channel and the drain channel is installed with a rotary sleeve, and a sealing ring is installed in the drainage channel. In the present invention, through the installation of fire-fighting water pipes and smoke exhaust pipes, the spray smoke exhauster can spray fire and smoke exhaust and demist at the same time, and connect the water inlet channel and drainage channel through the rotating sleeve to make the smoke exhaust blades rotate quickly to exhaust smoke and demist. The temperature sensing package and hydraulic prop automatically open and close the rubber plug to realize the function of fire spraying and stopping when the fire is extinguished.

The invention discloses a fuse installation device, which comprises a base, a fuse and a ceramic insulator. Both ends of the ceramic insulator are provided with clips, and the base is provided with several sets of clips for installation near the surfaces of both ends. holes, fastening bolts are provided between the clamp and the mounting hole, connecting screws are provided at both ends of the ceramic insulator, and conductive connecting plates are sleeved on the surfaces of the two connecting screws, and the conductive connecting plates are A terminal is provided on the side, a fixing screw is fixedly connected to one end of the top of the conductive connecting plate, and a fuse fixing device is arranged between the two fixing screws. The invention is equipped with a fuse fixing device, which is beneficial to adopt a press-type fixed fuse method to prevent the fuse from being rotated and fixed, causing the conductive spring chip to be twisted and damaged, and through the action of the chute of the fixed end piece, the fuse can be effectively made Properly install according to the length of the ceramic insulator.

The invention provides a lever handle mechanism with a fingerprint recognition function. The lever handle mechanism comprises a shell plate and a lever handle body. The lever handle body comprises a holding segment and an inserted connection segment with a cavity formed inside. The first end of the inserted connection segment is connected with the holding segment, the second end of the inserted connection segment stretches into the shell plate and is connected with square steel through a steering assembly, and the first end of the inserted connection segment is provided with fingerprint collection module. A pressure spring connected with the square steel and a wire used for transmitting fingerprint information are arranged in the cavity, the pressure spring is arranged in the middle, and the wire is eccentrically arranged. Based on the above structure, on one hand, the square steel can be matched with most door thicknesses by means of the telescopic characteristic of the pressure spring, and universality of the lever handle mechanism is improved; and on the other hand, the pressure spring and the wire are arranged in the cavity of the inserted connection segment, the pressure spring is arranged in the middle, the wire is eccentrically arranged, by means of the design, the space of the cavity is fully utilized, meanwhile, the problem that the wire freely rotates along with the lever handle body, and consequently the wire is twisted and damaged is avoided, and the service life of the lever handle mechanism is prolonged.

The invention relates to the technical field of cable protection sleeves, and discloses a convenient-to-penetrate anti-damage cable protection sleeve, which comprises a cable body, wherein an inner sliding layer is arranged on the outer surface of the cable body, a plurality of balls capable of rolling freely are annularly arranged on the inner wall of the inner sliding layer at intervals, more than half of the balls are embedded into the inner sliding layer, an insulating layer is arranged on the outer surface of the inner sliding layer, a shielding layer is arranged on the outer surface of the insulating layer, a high-temperature-resistant layer is arranged on the outer surface of the shielding layer, a corrosion-resistant layer is arranged on the outer surface of the high-temperature-resistant layer, and a hard layer is arranged on the outer surface of the corrosion-resistant layer. According to the invention, the inner sliding layer is arranged, a plurality of circular holes are formed in the inner wall of the inner sliding layer at intervals in the circumferential direction, and a plurality of balls capable of rolling freely are arranged in the circular holes, so that the resistance of a cable penetrating into the cable protection sleeve is greatly reduced, the cable can be smoothly arranged in the cable protection sleeve body in a penetrating manner, and the cable is prevented from being twisted and damaged in the penetrating process so as to avoid potential safety hazard.

The invention provides a tail sealing accessory and a connector employing the same. The connector comprises a connector shell and the tail sealing accessory, wherein the tail sealing accessory is connected to the rear end of the connector shell and comprises a tail sleeve and a sealing element, the tail sleeve is connected onto the connector shell by a spiral connection structure arranged at the front end, and a rotation stop structure is arranged at the front end of the sealing element and is used for matching with the connector shell during circumferential rotation stop. When the tail sleeve is connected to the connector shell by the spiral connection structure, the rotation stop structure at the front end of the sealing element and the connector shell circumferentially stop rotating, thus, the sealing element and the connector shell are enabled to be circumferentially fixed and cannot rotate with the rotation of the tail sleeve, and a cable tightly wrapped by the sealing element is prevented from being twisted and damaged.

The invention discloses an oil-immersed electronic automatic voltage regulating transformer with an automatic height adjusting function. The oil-immersed electronic automatic voltage regulating transformer comprises a supporting mechanism and a voltage transformation mechanism, the supporting mechanism comprises a supporting frame, a top plate is installed at the top of the supporting frame, a lifting assembly is installed at the bottom of one side of the supporting frame, connecting assemblies are arranged on the front side and the rear side of the supporting frame, the voltage transformation mechanism is arranged in the supporting mechanism, a heat dissipation assembly is installed in the top plate, and the supporting mechanism is used for supporting the lifting assembly and the voltage transformation mechanism. And the voltage transformation mechanism is hoisted at the bottom end of the steel wire hoisting rope and is used for regulating the voltage of the high-voltage line. According to the transformer case lifting device, the lifting motor is arranged to drive the double-steel-wire lifting rope to lift the transformer case, and the transformer case is limited in the supporting frame, so that the transformer case can stably ascend and descend, large vibration is effectively prevented when the transformer case is moved, internal parts are prevented from being damaged, and great convenience is provided for maintenance of workers.