14 results about "Slip joint" patented technology

Proposed is a spiral compressor and a drive shaft (3) of such a spiral compressor, which has: - a case (2), - a spiral fixed relative to the case (9), - a spiral winding inside the casing (8), - the drive shaft rotating about a shaft axis (4), - and an eccentric piece (5) driven by the drive shaft with a drive eccentric (6) offset from the shaft axis, which drives the rotating spiral. The eccentric piece is connected to the drive shaft (3) by a sliding joint, and movement of the sliding joint is accompanied by a change in the axial offset (e). The sliding joint is formed by a joint pin (14), a pin receptacle (15) in the drive shaft extending orthogonally to the shaft axis, and a pin receptacle (16) in the eccentric piece, wherein the pin receptacles are concentric to each other and the joint pin is guided longitudinally in at least one of the pin receptacles.

The utility model discloses a pressure gauge with protective structure relates to pressure gauge field, the utility model discloses a pressure gauge, the pressure gauge includes the watch body, the watch body's front and back both -ends are provided with fixed base and protective buckle cover respectively, through setting up the slip joint structure of fixed base and protective buckle cover, wherein the slide slot that has the ball is set in the loading groove of fixed base, and the slide of protective buckle cover is through the slide slot and utilizes the through -hole and ball joint and realizes one -way locking, the technical problem of the low efficiency of installation and removal of the pressure gauge with protective structure of existing because of adopting many bolt fastening shell, and the operator needs to spend a lot of time and loosens, tightens bolt one by one, and further increases maintenance and dismounting difficulty, and the heating film, wiring port and button of the sliding cover inner wall, the technical problem of the pressure gauge with protective structure of existing in the humid environment visible port easy to fog and lead to the dial reading unclear.

The utility model discloses a support for ionizing radiation detection equipment, which relates to the technical field of auxiliary supports of detection equipment and comprises a stand column, a limiting sleeve is slidably sleeved outside the lower end of the stand column, stabilizing mechanisms are symmetrically arranged on the outer side of the lower end of the stand column, and an adjusting mechanism is arranged at the upper end of the stand column. A fixing table is arranged at the top end of the adjusting mechanism, and a mounting table is arranged on one side of the fixing table. The rotating lead screw drives the lifting rod in threaded connection to move up and down, so that the lifting rod drives the fixed table to move synchronously, and the use height of the support can be adjusted; meanwhile, the detection equipment is conveniently clamped on the mounting table through two groups of clamping plates which are gradually close to each other, so that the detection equipment is not easy to slip off during use, and a swing arm of the detection equipment swings by utilizing damping rotating shafts mounted in the fixed table and the mounting table, so that the detection angle of the detection equipment can be adjusted by utilizing the swing arm, and the detection result is more accurate.

The invention relates to an arrangement and methods to control volume of fluids in a well system having a riser (7) extending from a well to a rig. The riser (7) has an increased diameter section (1) situated below the upper end of the riser (7) and above any slip joint (12) in the riser. The arrangement further comprises a sensor (5) to continuously measure the position of the slip joint (12). the increased diameter section (1) is coupled to an outlet (19) that is in fluid communication with a fluid return system (18), and the arrangement further comprises a return pump (2) coupled between the outlet (19) and the mud return system (18). The outlet (19) is arranged at a lower level than the mud return system (18). Level sensors (22) measure the level of liquid within the increased diameter section (1).

The utility model discloses a vacuum drying equipment suitable for PPS crosslinking, mixes, including base and material jar, the material jar is at the base top, the inside installation of material jar has auxiliary assembly, the auxiliary assembly includes the slip joint of several blocking strips in the inside of material jar, the one end fixed connection of blocking strip near outside has same connecting ring, the flange ring that the material jar circumference outer wall is provided with with connecting ring adaptation, the inside of connecting ring and flange ring all is set up and has several equal distance distribution's through -hole, several blocking strips one side away from each other all fixedly connected with a reinforcing pad, and several reinforcing pads all are with material jar inner wall and are pasted, the outside installation of material jar has the turning over subassembly, the utility model discloses through setting up auxiliary assembly, can according to need with blocking strip moves out material jar, and in the moving process, the part material that the blocking material outside adheres also will be cleaned, the cleaning of material jar inner wall is also more convenient.

The utility model discloses a kind of front clamps of all-around directional drilling rig, including front clamp cylinder body, front clamp cylinder body is cylindric structure with cylindrical cavity being arranged in center, and it is provided with cylindrical mounting cavity inside front clamp cylinder body, slip joint is provided with slip piston in mounting cavity, the inner wall of front clamp cylinder body is connected with slip sliding, and slip one side and slip piston sliding abut.This utility model is through setting slip piston and slip, and then by the joint on valve block injects oil into copper sleeve, slip piston is moved by the pressure of oil, and by the mutual cooperation of conical surface, and then slip is moved in radial direction in front clamp cylinder body, constitutes piston type linkage structure, using the incompressibility of oil, pressure can be rapidly and efficiently transmitted to slip piston, this drive mode with oil as medium, compared with traditional mechanical transmission, eliminates transmission gap and energy loss brought by complex mechanical structure.

The utility model provides a self-adaptive clamping mechanism which comprises a supporting table and a first double-end hydraulic rod, the movable end of the first double-end hydraulic rod is fixedly connected with a fixed clamping plate, one end of the fixed clamping plate is rotationally connected with an adjusting rod, one end of the adjusting rod is rotationally connected with a rotating pulley, and one side of the fixed clamping plate is fixedly connected with a positioning assembly. The positioning assembly comprises a double-end lead screw and a sliding connector, one end of the double-end lead screw is rotationally connected to the rotating pulley, the other end of the double-end lead screw is in threaded connection with the sliding connector, the positioning assembly further comprises a supporting rod and a sliding block, one end of the supporting rod is fixedly connected to the sliding connector, and one end of the sliding block is rotationally connected to the supporting rod; one end of the telescopic rod is fixedly connected with a second double-end hydraulic rod, and one end of the second double-end hydraulic rod is fixedly connected with a clamping table. The fixing clamping plates on the two sides can move inwards at the same time, and the angle of the adjusting rod can be adjusted by adjusting the positioning assembly so that workpieces of different shapes can be clamped.

The utility model discloses a workpiece limiting mechanism for cut-off equipment, which comprises a guide rod, a sliding joint is arranged on the guide rod, and the sliding joint can move back and forth on the guide rod; a limiting baffle is arranged at the top end of the sliding joint, and the limiting baffle is adjustably connected; an electric push rod is arranged at one end of the guide rod, the electric push rod and the limiting baffle are arranged in parallel, and the electric push rod and the guide rod are detachably connected. By arranging the guide rod, the guide rod is installed on one side of the conveying equipment, and the sliding connector and the limiting baffle are installed on the guide rod, so that the position of the limiting baffle can be adjusted according to use requirements, and the limiting baffle can be conveniently disassembled, assembled and replaced to a proper position according to the use requirements; and an electric push rod is arranged at one end of the guide rod, and the cut-off workpieces can be pushed away from the conveying equipment through the electric push rod. And a push plate is mounted at the output end of the electric push rod, so that the electric push rod can more stably push the cut workpieces away from the conveying equipment.

The invention discloses a bridge displacement measuring system and method. The system comprises a base, a vertical displacement measuring device and two horizontal displacement measuring devices which are arranged orthogonally. The vertical displacement measuring device directly measures the vertical displacement of the bridge through a sliding insertion rod with scales. Each horizontal displacement measuring device comprises a spherical hinge assembly and a connecting assembly, a sliding connector at the top end of the connecting assembly is clamped into a guide groove in the specific direction of the bottom face of the bridge, so that the combined displacement of the bridge is decoupled, each spherical hinge only responds to the horizontal displacement in the single direction, and the displacement angle is directly indicated through angle scales on the spherical face of the spherical hinge. According to the method, by means of the system, the vertical displacement of the bridge and the horizontal displacement information in the two orthogonal directions are synchronously obtained by reading the changes of the scales of the insertion rod and the spherical hinge angle. Synchronous and visual measurement of three-dimensional displacement of the bridge is achieved through a pure mechanical structure, external energy is not needed, and the device is firm, reliable, low in cost and suitable for long-term monitoring.

The present application relates to a kind of rotary self-resetting friction slip joint, belong to civil engineering seismic mitigation technology field.The friction piece of two groups of relative sliding, combined disc spring and a high-strength bolt are included;Two groups of relative sliding friction piece are buckled together, while being connected in series on a high-strength bolt;Friction piece outside on the high-strength bolt is also tightly sleeved with the combined disc spring, and pre-tightening force is applied to friction piece;Each group of friction piece includes an outer friction piece and an inner friction piece, and a plurality of fan-shaped body serrated projections are arranged thereon;The inner side of outer friction piece and the outer side of inner friction piece are provided with wedge-shaped protrusions.The present application can effectively solve the problem of energy dissipation and self-resetting simultaneously.

Manners of sealing for use with slip joint apparatuses are provided that includes a first surface which is arranged to contact a surface of an item in use, and one or more side wall surfaces extending away from the first surface. The first surface and / or said one or more side wall surfaces are arranged so as to allow a degree of pivotable and / or angular movement of at least the first surface of the sealing with respect to the item surface with which it contacts in use.

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to a combined type intelligent vibration absorber based on a centrifugal pendulum. Comprising a sealing joint, a side cover plate, a battery, a power management module, a fixing screw, a main control unit, a vibration sensing unit, an embedded ring shell, a vibration absorption bracket, an axial long spring, a swinging block, an axial short spring, a pushing block, an insulating coil, a sliding joint, a vibration transmission shaft and magnetorheological fluid. The advantages of a spring, a centrifugal pendulum and a magnetorheological fluid damper are integrated, high-frequency and low-frequency random vibration absorption, axial vibration absorption of the spring and the magnetorheological fluid damper and circumferential vibration absorption of the centrifugal pendulum and the magnetorheological fluid damper are completed in a matched mode, an intelligent magnetorheological fluid damping automatic adjusting system is matched, and effective control over full-frequency-band vibration of a drill column is achieved.

A device for separating a model mold (7), in particular a dental model mold, from a thermoformed plastic part, for example a plastic film (4), has a separating platform (1) that has a removal opening (2), the edge of which forms a stop limit (3) for a free edge of the plastic part, and a puller (6) for the model mold (7). The puller (6) is arranged on the side of the separating platform (1) facing away from the stop limit (3) and can be moved from an engagement position to a removal position along a pulling-off direction (5), and the puller (6) is mounted on a rotation axis extending parallel to a plane spanned by the removal opening (2) and is attached to a lever (10) movable about the rotation axis. The puller (6) comprises an engagement hook (8) for the model mold (7) and, on the one hand, the lever (10) is articulated to the separating platform (1) via two sliding joints (12, 13) arranged at a distance from one another in the longitudinal direction of the lever (12, 13), wherein one of the sliding joints (12) forms the axis of rotation for the lever (10), and / or, on the other hand, the puller (6) is articulated to the lever (10) via an articulation axis (11) extending parallel to the axis of rotation.