57results about How to "Improve sliding smoothness" patented technology

The invention discloses a welding device used for a pipeline and a using method of the welding device, and relates to the technical field of pipeline welding. The portability and the grinding quality are both considered. The welding device comprises a lower fixing seat and an upper fixing seat which are installed on the pipeline, the lower fixing seat is fixed to the outer walls of the two ends of the upper fixing seat through hinges and clamping buckles, and the lower fixing seat and the upper fixing seat are both of matched semicircular structures; and the using method of the welding device comprises the following steps that the lower fixing seat and the upper fixing seat are installed on the pipeline through the clamping buckles, and the position of a mounting frame is adjusted through fixing rotary knobs, so that all rolling wheels are attached to the outer wall of the pipeline. According to the pipeline and the using method of the welding device, the fixing rotary knobs, the rolling wheels, a welding mechanism and other structures are arranged, the lower fixing seat and the upper fixing eat can be installed on a to-be-welded pipeline, reliable welding is carried out on the pipeline in a mode of rotating on the outer wall of the pipeline, and therefore the welding flatness is guaranteed, meanwhile, the welding device can adapt to pipelines of different sizes, and the universality and the welding quality are improved.

The invention relates to an electronic information combination device. The electronic information combination device comprises a first communication device and a second communication device detachably connected with the first communication device, the first communication device comprises a first communication body, the second communication device comprises a second communication body, two sliding clamping strips are arranged on the first communication body, two coordination strips are arranged on the second communication body, and the two sliding clamping strips are respectively in slide fit with the two coordination strips. Each sliding clamping strip comprises a main body part and an extension part, the main body part is convexly arranged on the first communication body, the extension part vertically extends along one side of the main body part, a sliding space is formed between the extension part and the edge of the first communication body, and the coordination strips are accommodated in the sliding space. The electronic information combination device is convenient to carry, and the second communication device slides smoothly relative to the first communication device.

The invention discloses a cable deicing assembly, which is mainly characterized in that the cable deicing assembly comprises a cable body. The cable body is provided with a slide groove. The length direction of the slide groove is same with the length direction of the cable body. The slide groove is internally provided with a toothed bar. The groove mouth of the slide groove is provided with flexible block sheets. The cable deicing assembly also comprises a deicing member. The deicing member comprises a sliding block. The sliding block is provided with a through hole. The cable body runs through the through hole. The sliding block is internally provided with an accommodation chamber. The accommodation chamber is internally provided with a gear. The gear is rotatably connected to the chamber wall of the accommodation chamber. The gear is engaged with the toothed bar. A gear rotation shaft is connected with a cam. The accommodation chamber is internally provided with a deicing rod. The two ends of the deicing rod are a triggering end and a deicing end respectively. The deicing rod is hinged to the chamber wall of the accommodation chamber. The deicing end extends into the slide groove. The cable deicing assembly also comprises a spring. One end of the spring is connected to the chamber wall of the accommodation chamber, and the other end is connected between the triggering end and a hinge joint of the deicing rod. The outer side wall of the sliding block is provided with a pulling rope. The cable deicing assembly can remove the ice layer on the surface of a cable.

A torque wrench structure includes an outer tube, a driving member, a resisting member, a sleeve member, and a torque adjusting device. The outer tube is provided with an axially disposed housing space. The driving member has one end provided with a driver and the other end provided with a connecting end, wherein the connecting end is disposed at one end of the outer tube and inserted into the housing space. The resisting member is slidably disposed in the housing space and connected with the connecting end. The sleeve member is disposed between the outer tube and the resisting member. The torque adjusting device is disposed at one end of the outer tube away from the driver, so as to be operated to adjust the torque value.

The invention relates to the field of metal surface defect detection devices, in particular to a metal limiting mechanism of an ultrasonic metal surface defect detection device. The mechanism comprises a base, a sliding structure, an abutting structure, a rotating structure, a fixing structure, an ejecting structure and an adjusting structure. A sliding structure is further installed at the top end of the base. The steel pipe can be conveniently placed. Steel pipes with different lengths can be clamped and fixed in cooperation with the abutting structure. Therefore, defect detection can be conveniently carried out on the steel pipe. The rotating structure is mounted in the sliding structure, the clamped and fixed steel pipe can be rotated in all directions, so detection personnel can carryout comprehensive detection conveniently, and detection effect can be improved. Through the arrangement of the fixing structure, the steel pipes can be clamped and fixed, the steel pipes with different internal diameters can be clamped and fixed, and therefore the applicability of the device can be greatly improved, and detection is facilitated.

An assembly structure includes a sliding element, a relative sliding element and an elastic element. The relative sliding element includes sliding-guided portions disposed at the two sides thereof, and the sliding element includes sliding jacket portions clamped to the two sliding-guided portions of the relative sliding element. The elastic element includes a coil winding portion formed with two ends, and a first swing arm and a second swing arm are respectively disposed on the two ends of the coil winding portion and respectively located in the vicinity of the sliding element and the relative sliding element. The first swing arm is pivoted to the relative sliding element, and the second swing arm is pivoted to the sliding element, so that the deformed portion of the coil winding portion limited by the first and second swing arms can be prevented from rubbing against the sliding element.

The invention provides a sparkling water preparation device and a control method and device thereof, a water dispenser and a storage medium, the sparkling water preparation device comprises a plurality of mutually separated mixing cavities, wherein any one of the mixing cavities defines a closed space and is provided with an input port and an output port which are communicated with the closed space, the input port is used for inputting carbon dioxide gas and purified water, and the output port is used for outputting sparkling water, and a gas tank which is communicated with the input port andis used for accommodating carbon dioxide. By arranging the multiple mixing cavities, carbon dioxide gas and purified water can be input into the multiple mixing cavities, so that the multiple mixing cavities can be used for preparing the sparkling water, the multiple mixing cavities are separated from one another, the sparkling water with different concentrations can be prepared separately, and the sparkling water with different concentrations can be provided for consumers; therefore, the requirements of a plurality of consumers on different tastes are met.

The invention relates to the field of mechanical equipment and particularly relates to a steel wire rope detecting and tensioning device for a high-altitude vehicle. The steel wire rope detecting and tensioning device is achieved through the technical scheme as follows: the steel wire rope detecting and tensioning device for the high-altitude vehicle comprises a vehicle arm, a steel wire rope for pulling the vehicle arm, a tension adjusting device for adjusting the steel wire rope and a travel switch, wherein the steel wire rope comprises a threaded connection part; the tension adjusting device comprises a beam, a spring propped against the beam, a locking nut connected with the threaded connection part and a tensioning sleeve; the tensioning sleeve can approach to and compress the spring under the push of the locking nut; and the travel switch is matched with the rope head of the steel wire rope in use. The invention aims at providing the steel wire rope detecting and tensioning device for the high-altitude vehicle. The steel wire rope detecting and tensioning device can play a real-time detection role on the steel wire rope used for a vehicle arm frame of the high-altitude vehicle; and when the steel wire rope is loosened or broken within a certain range, the system can capture the steel wire rope in the first place, so that the security is improved.

An electric self-locking rainproof window comprises a window mounting frame. The inner right side of the window mounting frame is in sliding connection with a right glass window. A mounting box is fixed to the bottom of the window mounting frame and is of a box body structure with an opening formed in the top. A mounting seat is fixed in the inner middle of the mounting box. An electromagnet is assembled on the mounting seat. An armature is arranged at the top of the mounting seat. Mounting columns are arranged at the bottoms of the left side and the right side of the armature. Mounting holesare formed in the left side and the right side of the top of the mounting seat. The armature is located above the mounting seat, and the two mounting columns of the armature are located in the mounting holes. From the above, the electric self-locking rainproof window is simple in structure, the window can be automatically closed in rainy days through a rain drop sensor and mechanical action, the situation that rainwater enters a room, and inconvenience is brought to a host is avoided, and practicality is high.

A window curtain may include a top track, at least a sliding unit, and a plurality of shades, and the top track has at least two track rods sleeved together, which reduces the packaging and shipping costs. Each of the track rods is hollow to form a channel therein, and the channel comprises two vertical guide tracks. The sliding unit comprises a plurality of first sliding bases formed in parallel, and each of the first sliding bases other than the innermost one is connected to a second sliding base. Each of the second sliding bases comprises a pulley support, and each of the pulley supports has at least a pulley set installed thereon. The pulley sets are adapted to slide along the track rods through the guide tracks which have no height difference so as to improve the smoothness of sliding movement of the pulley sets.

The invention provides a method for promoting discharging stabilization of a reinforced polypropylene (HRPP) double-wall corrugated pipe for buried drainage and pollution discharge, and belongs to thetechnical field of production of pipes. The discharging device comprises a support frame, support legs, a driving device shell, a driven device shell, discharging roller support seats, discharging rollers, a material bouncing rack and a buffer mechanism, wherein rubber protruding strips are arranged on the surfaces of the discharging rollers, so that the static friction force between the discharging rollers and a drainage pipe can be increased, and the impact between the drainage pipe and the discharging rollers can be relieved through the elasticity of the rubber protruding strips; by arranging a sliding seat, damage of the elastic material to an air cylinder is reduced, and by arranging an oil storage bin and oil supply rollers at the bottom end of the sliding seat, the sliding smoothness of a sliding block and a sliding groove can be improved; by arranging an end aligning plate and the buffering mechanism, the ends of the drainage pipe can be kept aligned, the impact force generated when the drainage pipe is aligned can be reduced, and the end of the drainage pipe and the buffering plate are prevented from being damaged in the collision process; and by arranging guide reinforcing blocks and balls, the service life of a guide movable rod can be prolonged.

The invention discloses an anti-sticking die structure for a large-sized sliding block. The anti-sticking die structure comprises a die plate and the sliding block. The sliding block is movably mounted in a sliding block groove formed in the die plate. Sliding devices are arranged inside the die plate, and comprise pressing blocks, bearing pedestals, elastic parts and bottom surface bearings. The bearing pedestals are positioned at the tops of the pressing blocks. The elastic parts are mounted between the pressing blocks and the bearing pedestals. The bottom surface bearings are mounted on the bearing pedestals, and are matched with the bottom of the sliding block in a sliding manner. The sliding block is jacked up to be suspended on the die plate under the action of the elastic parts. A gap is reserved between one of the step surfaces on two sides of each bearing pedestal and the die plate. Sliding block steps are respectively formed on the two sides of the sliding block. Slide wedges positioned in the sliding block groove are respectively formed on two sides of the sliding block. A gap is reserved between each slide wedge and the sliding block. The anti-sticking die structure can solve the problem that the large-sized sliding block is stuck in the die plate. Besides, side bearings and step surface bearings are arranged on the slide wedges, so that the friction coefficients are further reduced, and the sliding smoothness of the large-sized sliding block on the die plate is improved.