25 results about "Contact slide" patented technology

The invention relates to the technical field of flexure performance testing, in particular to a tensile and flexure-resistant performance testing device for an insulated cable. Comprising a base; the controller is mounted on the side surface of the base; the movable seat is connected to the base in a sliding manner; the rotating disc is rotationally connected to the moving seat; the air pump is mounted on the side surface of the movable seat; the fixed plates are symmetrically connected to the side surface of the rotating disc; and the fixed cylinders are symmetrically connected to the fixed plate, the fixed cylinders penetrate through the side face of the rotating disc, and through holes are formed in the fixed cylinders. Through the cooperation of the air pump, the fixed cylinder and the roller, an air diaphragm can be formed between the cable body and the roller, so that the cable can realize non-contact sliding with the roller during a deflection test, specifically, the air pump conveys compressed air to the fixed cylinder through the shunt pipe, and the compressed air is sprayed out through the through hole and the air outlet pipe, so that a dynamic air cushion can be formed; unexpected tensile load and surface abrasion caused by traditional roller friction can be avoided, and it is ensured that the test result only reflects the real bending fatigue performance of the cable.

The invention relates to a large-swing-angle heavy-load spherical hinge pulley mechanism and underwater test equipment, the large-swing-angle heavy-load spherical hinge pulley mechanism comprises a spherical hinge assembly, the spherical hinge assembly comprises a spherical hinge base and a ball head pressing plate, the spherical hinge base and the ball head pressing plate are mutually connected to jointly form a ball socket rotationally connected with a ball head rod, and the ball head rod comprises a ball head located in the ball socket; the shaft rod is connected with the ball head and extends out of the ball head pressing plate; the pulley assembly comprises a pulley base rotationally connected with the shaft rod, the end, away from the spherical hinge assembly, of the pulley base is fixedly connected with two parallel vertical plates arranged in a spaced mode, a pulley disc is rotationally connected between the two vertical plates through a pin shaft, the width of the vertical plates is larger than the height of the vertical plates, and the height of the vertical plates is larger than the diameter of the pulley disc. The pulley assembly freely rotates at multiple angles around the spherical hinge base and the spherical head pressing plate through the spherical head rod, so that the pulley assembly adjusts the posture along with the traction rope. And the contact sliding friction surface between the two sides or the top of the vertical plate and the traction rope is increased, so that self-adaptive rotation of the pulley assembly is corrected in a more labor-saving manner.

The utility model discloses a relay switch with an adjustable contact distance, which relates to the technical field of relay switches and comprises a relay component and a movable contact, the front side and the rear side of the bottom of the relay component are respectively provided with an adjusting seat, the top of each adjusting seat is connected with a protective shell, and the movable contact is slidably arranged at the middle section of each adjusting seat. A fixing bolt is installed at the joint of the adjusting base and the protective shell, and a communication line is connected between the adjusting base and the relay component. According to the relay switch with the adjustable contact distance, the adjusting bases are symmetrically arranged at the bottom of the relay component front and back, so that a proper number of movable contacts can be installed within a certain range according to needs, the distance between the movable contacts can be adjusted, and the use flexibility of the device is guaranteed; and the adjusting seat is matched with the fixing bolt for use, so that the protective shell and the adjusting seat can be connected and fixed, and good structural protection is provided for the relay component, so that the service life of the device is ensured.

A press-contact guide, a restraining guide, and a latching mechanism are provided between a housing of a device body and a cover. A restraining projection provided on the cover is inserted into an introduction opening to cause a press-contact projection to be pressed into contact with a press-contact slide part. In this state, the cover is slid in a latching-force-acting direction. Then, the cover moves with a restraining projection being restrained by the restraining guide and cause a projecting latch to latch into a receiving hole. When such a latched state is established, the cover and the housing go out of contact with each other at the press-contact guide and the restraining guide.

The invention relates to the technical field of signal forwarding equipment, in particular to a switch which comprises a bottom support transverse plate and two extrusion sliding plates slidably connected to the bottom support transverse plate, a bidirectional lead screw I is rotatably connected to the bottom support transverse plate, and the two ends of the bidirectional lead screw I are in threaded connection with the two extrusion sliding plates respectively. A plurality of hollowed-out sliding columns are slidably connected to the bottom support transverse plate, a switch body is placed on the hollowed-out sliding columns, the two ends of the switch body make contact with two extrusion sliding plates correspondingly, square support sliding rods are fixedly connected to the outer ends of the two extrusion sliding plates correspondingly, and contact sliding plates are slidably connected to the two ends of the two square support sliding rods correspondingly. The two extrusion sliding plates are rotationally connected with two-way lead screws II, the two ends of the two-way lead screws II are in threaded connection with four contact sliding plates respectively, the four contact sliding plates make contact with the switch body, and the two extrusion sliding plates are fixedly connected with lifting lead screws.

The utility model discloses a refrigeration plant relates to refrigeration plant technical field, wherein, refrigeration plant includes box, drawer and sliding fit structure, and the box has the inner bag of can hold article, and the drawer can be installed in the inner bag along the fore and aft activity, and the sliding fit structure includes the sliding part and the cooperation part of drawer and inner bag's separate setting, and the sliding part is cooperated with the cooperation part, to make the drawer and inner bag can form line contact sliding, through setting the inner bag, to install the drawer, and the drawer can be set up in the inner bag along the fore and aft activity, to classify and store the article in the inner bag, and through setting the sliding part and the cooperation part simultaneously, to make the drawer in the inner bag along the fore and aft sliding at least partial can form line contact, relative to the sliding of surface surface contact, line contact sliding has greatly reduced the contact area of drawer and inner bag, can greatly reduce the sliding friction between drawer and inner bag, thereby has solved the problem that the existing no slide rail drawer is larger when pulling and pushing friction.

The utility model relates to door and window technical field discloses sound insulation and heat insulation integrated casement window, including window frame, the sliding assembly of casement is equipped with in window frame, and the window frame includes a frame, and the upper and lower two ends of the frame inboard wall each fixedly connected with a first limit frame strip on the front and back two sides, and the upper and lower two ends of the frame inboard wall each fixedly connected with a second limit frame strip in the middle part. The utility model discloses the assembly recess is provided with on the upper and lower two ends of casement, and a plurality of gyro wheels are rotatably assembled in the assembly recess, and the inner wall of the frame of window frame is contacted by the plurality of gyro wheels, which reduces the contact area of the junction of casement and window frame, and because the gyro wheel is configured to move and guide, when the casement is pushed in the window frame, even if the dust and dirt accumulated in the window frame groove, compared with the surface contact sliding connection mode that the multi-surface contact between the casement and the window frame is adopted, the wear of the junction of the casement and the window frame is still smaller, and the pushing movement of the casement in the window frame is still relatively smooth.

The utility model discloses a contact type sliding block measuring device, and particularly relates to the technical field of measuring devices, which comprises a base, a first gauge stand fixedly connected to one side of the base, a first dial indicator mounted in the first gauge stand, a measuring instrument stand fixedly connected to the top of the base, a fixed measuring head fixedly connected to the top of the measuring instrument stand, and a sliding chute formed in the top of the base. A measuring head seat is slidably connected in the sliding groove, a measured block is fixedly connected to the top of the measuring head seat, a movable measuring head is fixedly connected to the top of the measuring head seat, a to-be-measured sliding block is slidably connected to the outer portion of the movable measuring head and the outer portion of the fixed measuring head, and probe balls are embedded in the sides, away from each other, of the movable measuring head and the fixed measuring head. A double-thread screw is movably sleeved with the measuring instrument base, a screw base is fixedly connected to the outer side of the measuring instrument base, the other end of the double-thread screw is rotationally sleeved with the screw base and rotationally connected with an eccentric head, and a rotating rod is rotationally connected with the interior of the screw base. According to the utility model, the size of the to-be-measured slide block can be conveniently, rapidly and accurately measured, and the inspection efficiency is improved.

The utility model relates to circuit breaker technical field especially relates to a prevent mistaken touch's in -cabinet ac circuit breaker, including circuit breaker body, protective housing, baffle and switch, the inside of protective housing is provided with circuit breaker body, baffle is hinged in the front side of protective housing, the front side of circuit breaker body is provided with the sliding slot, the inside sliding connection of sliding slot has the sliding block, the front side of sliding block is inclined plane structure, the front side fixed mounting of sliding block has the limit stop, the side fixed mounting of sliding block has the spring, the inside fixed mounting of baffle has the pressure rod, and the inclined plane structure of pressure rod and sliding block correspond each other, when opening baffle and overhauling, the utility model promotes sliding block to slide along the sliding slot through spring, promotes the limit stop to the periphery of switch, carries out the limit locking to switch, prevents mistaken touch switch, causes the safety accident, closes baffle when overhauling is completed, and the cambered surface of pressure rod contacts sliding block, will promote sliding block sliding compression spring, makes the limit stop leave the periphery of circuit breaker body switch, and automatically unlocks switch.

The utility model relates to the technical field of catalyst carrier production, and discloses a catalyst carrier forming device which comprises a machining table, and a supporting frame is fixedly arranged at the top of the machining table. A forming groove is formed in the machining table, and a forming hole plate is fixedly arranged at the top of the forming groove. An upper die is installed on the supporting frame, and a lower die is installed in the forming groove. A feeding frame is slidably mounted on the machining table. The top plane of the forming pore plate is flush with the horizontal table top of the top of the machining table. The feeding frame is in contact sliding fit with the top plane of the forming pore plate; the feeding frame is used for feeding and pushing materials; a collecting box is slidably mounted in the machining table, and a flow channel which is formed in the machining table and inclines downwards is formed between the forming hole plate and the collecting box. A top channel opening of the flow channel is flush with the top plane of the forming pore plate, and a bottom channel opening of the flow channel communicates with the collecting box. According to the utility model, the collision of the formed catalyst carrier can be reduced, the defect of the formed catalyst carrier is reduced, and the yield and the product quality are improved.

The invention belongs to the technical field of buffer hinges, and particularly relates to an in-cup buffer hinge. According to the in-cup buffering hinge, the multiple driving teeth are arranged at the end of the driving arm of the first connecting rod in the circumferential direction, and the driving tooth grooves capable of being meshed are correspondingly formed in the tops of the driving bases on the two sides of the buffer, so that the driving arm stably drives the buffer in a mode that the symmetrical gears on the two sides are meshed; traditional single-side linear contact sliding friction is converted into double-side synchronous gear transmission, abrasion caused by sliding friction is thoroughly eliminated, the service life of a hinge is greatly prolonged, the reliability of the hinge is greatly improved, the acting force is evenly distributed on the whole buffer in the double-side simultaneous stress driving mode, unbalance loading and clamping stagnation are avoided, and the service life of the buffer is prolonged. And the driving force to the buffer is more stable and smooth, so that the bearing capacity of the structural strength is maintained, and the assisting and buffering effects in the opening and closing process are more stable and quiet.

The utility model aims at providing a ulna tunnel positioner, it includes guide main body, positioning main body and locking piece, guide main body includes handle, first guide block and second guide block, first guide block sets up in one end of handle, has seted up first guide hole on first guide block, second guide block sets up in the middle of handle, has seted up second guide hole on second guide block, positioning main body includes slide and positioning hook, positioning hook sets up in one end of slide, slide is worn in first guide hole, to make the end of positioning hook away from slide be located on the extension line of the axis of second guide hole, locking piece is screwed on one end of handle close to first guide hole, locking piece is used for top contact slide. Thus, slide can slide in first guide hole, can adjust the position of positioning hook according to the anatomical structure of different patients ulna, has improved the accuracy of positioning, has adapted individual difference, and can improve the accuracy of tunnel positioning, has reduced the operation error caused by inaccurate positioning.

The invention discloses a non-contact sliding bearing oil film thickness measurement method, and belongs to the technical field of lubricating oil film thickness measurement. Three monitoring nodes with ultrasonic probes and composite strain gauges are arranged on the back of a bearing bush, and ultrasonic echoes, original strain and in-situ temperature signals are synchronously collected; real mechanical strain of the bearing bush is obtained through thermal output correction, oil film pressure is inversed by combining the strain, and temperature and pressure correction is conducted on the sound velocity and density of an oil film; meanwhile, the propagation distance of ultrasonic waves in the bearing bush is corrected, and the single-point oil film thickness is inversed based on a spring stiffness model and a reflection coefficient measured through an experiment; and finally, reconstructing full-field mechanical deformation distribution of the bearing bush by utilizing an elastic mechanical modal theory, and calculating an axis position to realize accurate calculation of the full-field oil film thickness. The method is high in measurement precision, can present the full-field oil film distribution and axis track in real time, and provides reliable data support for large-scale rotating machinery bearing lubrication state evaluation and trend analysis.

To accurately detect stick-slip phenomena. [Solution] The stick-slip detection device 100 is characterized by comprising: a measuring unit 131 that measures the displacement of a movable part having a contact sliding part; a identifying unit 132 that identifies a section in which the sign of the difference between the measured value of the movable part measured by the measuring unit 131 and the set value of the movable part does not change for a predetermined period of time; a calculation unit 133 that calculates an index value based on the measured value of the movable part and the set value of the movable part in the section identified by the identifying unit 132; and a detection unit 134 that detects an abnormality in the movable part when the index value calculated by the calculation unit 133 is greater than or equal to a predetermined threshold.

The utility model relates to the technical field of electrocardiographs, and discloses an anti-falling adsorption device for an electrocardiogram lead wire, which comprises a hollow cylinder, an unfolding mechanism is arranged outside the hollow cylinder, and the hollow cylinder is provided with an adsorption mechanism. When the device is pressed, the non-slip mat makes contact with the skin, the supporting rod unfolds the skin through the non-slip mat, then the supporting rod rotates and unfolds in the first connecting base, meanwhile, the spring is stretched, the sliding block slides in the sliding groove of the supporting rod, the sliding block drives the second connecting base, the second connecting base drives the connecting rod, and the connecting rod drives the sliding ring. The sliding ring slides outside the external thread ring, and after the metal suction cup completely makes contact with the skin, the nut is twisted. The nut moves outside the external thread ring, so that the nut is in contact with the sliding ring, the position of the sliding ring is fixed, the position of the supporting rod can be fixed, the situation that the supporting rod automatically gets close and jacks up the device is effectively prevented, the stability of the device is improved, and inspection errors are avoided.

The utility model relates to the technical field of medical auxiliary parts, and discloses a waterproof and dustproof medical precision connector which comprises a main body shell, the inner side of the main body shell is fixedly connected with a contact sliding ring, the inner side of the contact sliding ring is fixedly connected with a protection mechanism, and the protection mechanism comprises a sealing ring. The inner side of the contact sliding ring is fixedly connected with a sealing ring, the outer side of the sealing ring is fixedly connected with an elastic contact body, the outer side of the elastic contact body is fixedly connected with a protective sleeve, and the outer side of the protective sleeve is fixedly connected with a limiting assembly used for fixing. According to the utility model, the sealing ring and the sealing ring at the inner side of the sliding ring are contacted, so that the invasion of external dust, moisture and various tiny pollutants can be effectively blocked at the initial stage of connection, and the protective sleeve additionally protects the elastic contact body and prevents the elastic contact body from being damaged by accidental factors such as collision and friction, so that the stability of connection is further stabilized; and signal transmission is ensured not to be interfered.

The utility model relates to a high-wear-resistance guide rail convenient for mounting a sliding block, and aims to solve the problems that a clamping sliding block in the guide rail is always clamped in a clamping limiting groove in the inner side of a sliding rail body, the clamping sliding block needs to do sliding linear motion in the sliding rail body, and the contact sliding friction force between the sliding rail and the sliding block is large, so that the sliding block is easy to wear for a long time, and the service life of the sliding rail is prolonged. The utility model relates to a novel sliding rail, in particular to a novel sliding rail, which solves the technical problems that a sliding rail body needs to be replaced together with a clamping sliding block due to the fact that the clamping sliding block is difficult to be detached and replaced independently, and the replacement cost is increased due to the fact that the sliding rail body needs to be replaced together with the clamping sliding block, and comprises a guide rail body, and an inner sliding block assembly is clamped in the guide rail body. The movable plates arranged on the surfaces of the positive and negative lead screws in a sleeving mode get close to each other, the limiting blocks move out of the inner sliding grooves and are hidden in the limiting frames, the inner sliding block assembly can be directly pulled out of the guide rail body without being restrained, independent replacement is facilitated, and the replacement cost is reduced.

The utility model discloses an AC servo shaft clamping mechanism which comprises a positioning cylinder frame and a first servo motor fixedly installed in the center of the interior of the positioning cylinder frame. A rotating mechanism is arranged below the positioning cylinder frame and comprises a first rotating support, and the center position of the top end of the first rotating support is fixedly connected to the bottom end of an output shaft of a first servo motor. Wherein a positioning mechanism is arranged below the rotating mechanism, the positioning mechanism comprises a positioning flat plate, and positioning clamping arms are fixedly arranged on the left side and the right side of the bottom face of the positioning flat plate. According to the AC servo shaft clamping mechanism, the first servo motor and the second servo motor drive the first rotating support and the second rotating support to rotate in the X-axis direction and the Y-axis direction so that the positioning mechanism can be driven to adapt to workpieces in different directions, and the positioning clamping arm, the abutting sliding plate and the abutting sliding block can achieve lifting and clamping positioning on the workpieces; therefore, the stability in the transferring process is improved.

The invention discloses a car door synchronous triggering type mechanical braking device for accidental movement of an elevator, and relates to the technical field of elevator safety protection devices. The car door synchronous triggering type elevator accidental movement mechanical braking device comprises a mounting frame, first sliding rails are fixedly connected to the left side and the right side of the inner wall of the mounting frame, a sliding frame is slidably connected to the interiors of the first sliding rails, a car is fixedly connected to the interior of the sliding frame, and a diversion sheave is fixedly connected to the top of the interior of the sliding frame; and a linkage brake assembly is arranged on the outer surface of the mounting frame. According to the car door synchronous triggering type mechanical braking device for accidental movement of the elevator, by arranging the linkage braking assembly, when the car door is opened, the car and the mounting frame are mechanically fixed, a contact sliding block is pushed through a triggering concave rod, a locking sliding block is triggered to fix the car door, and accidental sliding closing of the car door is prevented; and the stability and the safety of the elevator in the door opening state are ensured.

The application relates to the technical field of unmanned forklifts and discloses an anti-collision protection mechanism of a forklift head, which comprises an anti-collision shell, a lower supporting plate fixedly arranged on the inner side of the anti-collision shell, a forklift head fixedly provided with an upper supporting plate, the upper supporting plate being arranged above the lower supporting plate, a moving guide, a collision detection piece and a reset assembly being arranged between the lower supporting plate and the upper supporting plate, and a reset driving piece being arranged on the top of the upper supporting plate. The rotating arm is deflected in the fan-shaped groove, the rotating shaft is driven to rotate, the embedded disc is driven to rotate in the sealing cover, the contact slides on the arc-shaped carbon rod, the resistance of the arc-shaped carbon rod connected to the circuit changes, the rotating shaft is monitored whether to rotate through the arc-shaped carbon rod resistance monitoring mode, the anti-collision shell is monitored whether to collide, the distance sensor is cooperated to jointly monitor whether the anti-collision shell collides, and the detection is more reliable.

The application discloses a kind of semiconductor vacuum coating device of wafer automatic feeding and discharging, belong to vacuum coating equipment technical field, by pushing sliding seat up, rotating shaft drives dial, swing rod and wafer up, upper dial contact slide after being pressed and rotated, rotating shaft and wafer are rotated, dial passes through the clearance between slide after, swing rod is positioned by the elastic force of tension spring, wafer completes one hundred and eighty degrees turnover and makes the surface to be coated upward, multi-stage electric push rod is retracted, sliding seat is lowered and reset, after completing one side coating, multi-stage electric push rod is elongated again, and similarly, wafer is turned over one hundred and eighty degrees and makes the coating surface downward, then multi-stage electric push rod is retracted, wafer is lowered and contacted with the sealing ring of supporting plate, wafer coating surface is isolated by upper sealing ring, lower sealing ring and supporting plate, supporting plate, to ensure protection and fixation, prevent the tiny particles generated in the process of film material gasification and the heat generated act on wafer on other stations, ensure the uniformity of film thickness when subsequent coating.

The present application provides a variable stiffness surface profile adaptive gripper finger tip module and a gripper mechanism, wherein the variable stiffness surface profile adaptive gripper finger tip module comprises a finger tip shell, an electromagnetic generating structure, a magnetorheological fluid soft body and a contact piece, the inside of the finger tip shell is provided with a containing space, one side surface of the finger tip shell is provided with a contact sliding hole; the electromagnetic generating structure is arranged in the containing space; the magnetorheological fluid soft body is arranged in the containing space, the outer wall of the magnetorheological fluid soft body is in an elastic structure, the magnetorheological fluid soft body has a low stiffness state under zero magnetic field and a high stiffness state under a magnetic field; one end of the contact piece is slidably inserted into the contact sliding hole and abuts on the same outer wall side surface of the magnetorheological fluid soft body, the other end of the contact piece is used for contacting an object; the electromagnetic generating structure is electrified and a magnetic field is generated, so that the magnetorheological fluid soft body is switched from the low stiffness state to the high stiffness state under the magnetic field action of the electromagnetic generating structure, so as to stably abut against the contact piece.

The utility model relates to the technical field of high and low voltage switch cabinet detection, and discloses a high and low voltage switch cabinet moving and static contact occlusion depth rapid detection device, which comprises a moving contact, a conducting rod, a static contact and a static contact box, and is characterized in that the moving contact is sleeved on the conducting rod; according to the utility model, the conducting rod and the moving contact slide into the static contact box, when the moving contact contacts with the static contact, the moving contact expands to drive the C-shaped plate and the fixed hook to obliquely slide upwards, so that the fixed hook can be separated from the sliding hook, and at the moment, the spring is released and pushes the arc-shaped plate and the three suckers to slide upwards; the three suckers are adsorbed on the inner wall of the static contact box, so that the L-shaped plate and the sliding semicircular plate do not continue to slide into the static contact box along with the conducting rod and the moving contact, the displacement sensor slides towards the L-shaped plate along with the conducting rod at the moment, and a probe of the displacement sensor is pressed into the displacement sensor by the L-shaped plate. And the inward sliding distance of the moving contact after being contacted with the static contact can be measured, so that the occlusion depth can be measured.

The utility model provides a bearing inner ring groove diameter detection device, which comprises a scale table and a measuring ring, the scale table is in the shape of a circular truncated cone, the measuring ring comprises a circular ring, the side surface of the circular ring is provided with a plurality of through grooves, the through grooves are internally connected with contact sliding blocks in a sliding manner, and two ends of the contact sliding blocks respectively penetrate out of two sides of the through grooves. Fixing sheets are arranged on the left side and the right side of the end, located in the circular ring, of the contact sliding block, and springs are arranged between the fixing sheets and the inner side face of the circular ring. According to the bearing inner ring groove diameter detection device, the bearing inner ring groove diameter can be rapidly measured through cooperation of the scale table and the measuring ring, the spring on the measuring ring is exposed, and the spring can be rapidly replaced after the spring gradually loses performance.

This utility model relates to the field of combined ball valve technology, specifically a double-sealed compensating ball valve seat, including a connecting valve body fixedly installed on the left and right sides of the ball seat valve body. A ball valve is rotatably installed inside the ball seat valve body, and a hard sealing ring is fixedly sleeved on the side of the connecting valve body near the ball seat valve body. Through the elastic pressure of a spring on the soft sealing ring, the soft sealing ring can slide inside the connecting valve body to squeeze and contact the ball valve, achieving a flexible contact seal between the soft sealing ring and the ball valve. This isolates some solid particles in the water. Combined with the hard contact sliding between the hard sealing ring and the ball valve, the remaining small amount of solid particles can be blocked and retained in the annular groove. As the valve stem rotates, driving the ball valve to rotate, water enters the annular groove through staggered channels. The water flow carries away the solid particles, reducing wear on the ball valve and ensuring better normal operation.