11results about How to "Automatically compensates for wear" patented technology

The present invention relates to a plug valve with elastic automatic compensation seal, including a valve body, a valve cover, a plug body, a valve stem, and a transmission mechanism. The bushing between the valve body and the plug body is composed of a left half bushing and a right half bushing. The left half bushing and the right half bushing have an axial gap in the center line direction of the valve body channel, and a floating seal pair is formed between the bushing and the plug body to automatically compensate for the wear of the seal pair. The conical cylindrical cavity of the valve body can be finely processed to obtain a high-precision inner cavity wall, which solves the problem that the prior art needs to set anti-rotation ribs in the inner cavity but cannot be finely processed, and reduces the precision requirements for the valve body casting. It has the advantages of small opening and closing torque, low requirements for valve body casting precision, convenient processing, and high use pressure.

The present invention discloses a large-scale titanium cylinder measuring workbench, including a rotating workbench arranged on a bottom plate, the rotating workbench and the bottom plate are connected by an axis, two support frames are arranged on the bottom plates on both sides of the rotating workbench, the two support frames are arranged in parallel, the centers of the two support frames and the center of the rotating workbench are in a straight line, a crossbeam is arranged between the tops of the support frames, support blocks are evenly distributed in the circumferential direction of the surface of the rotating workbench, the support blocks are used to support the measured cylinder, a horizontal slide rail is installed on the crossbeam, a scale size is set on the horizontal slide rail, positioning plates are set on both sides of the horizontal slide rail, the spacing between the positioning plates on both sides is the theoretical size of the measured cylinder, and a vertical measuring frame is set in the vertical direction of the horizontal slide rail. The present invention can measure the straightness and ovality of the sleeve body, and a single person can easily and accurately complete the data measurement, and can be used for the straightness and ovality measurement of the titanium cylinder, a key component in high-end copper foil product manufacturing equipment.

The utility model relates to the technical field of production equipment, and discloses a lubricating medium smearing device and lubricating medium smearing equipment. The lubricating medium smearing device comprises a mounting module, an elastic connecting base and a smearing assembly. The elastic connecting seat is arranged on the mounting module; the smearing assembly is used for being externally connected with a conveying pipeline for conveying lubricating media. The elastic connecting seat comprises a first mounting part, an elastic connecting part and a second mounting part, the first mounting part is connected with the mounting module, the elastic connecting part is connected with the first mounting part and the second mounting part, and the second mounting part is connected with the smearing assembly. Elastic connection of the smearing assembly is achieved, abrasion and deformation of the smearing assembly in the using process can be automatically compensated, meanwhile, manufacturing errors and installation errors can be made up, and the smearing effect is guaranteed. When the smearing assembly makes contact with a product, the elastic connecting base can absorb impact from the product, a certain buffering effect is achieved, the product and equipment are protected, and the smearing effect is guaranteed.

The utility model provides a steam extraction check valve, and belongs to the technical field of check valves, the steam extraction check valve comprises a valve body, the valve body comprises an inlet flow channel, a valve cavity and an outlet flow channel, a valve rod is transversely fixed in the valve cavity, a valve clack is rotatably arranged on the valve rod, a mounting groove is formed in one end, close to the valve cavity, of the inlet flow channel, and a base ring, a valve seat ring and a fixing ring are arranged in the mounting groove; an elastic sealing ring is arranged between the base ring and the valve seat ring, the outer ring of the elastic sealing ring is closed, the inner ring of the elastic sealing ring is provided with an opening gradually expanding towards the center of the mounting groove, the two side walls of the opening abut against the base ring and the valve seat ring respectively, and an elastic piece abuts against the interior of the opening. The elastic sealing ring with the opening is arranged between the base ring and the valve seat ring, impact energy generated when the valve clack is closed can be absorbed, meanwhile, the elastic sealing ring in the special shape can form more reliable sealing with the two side portions under medium impact, and medium fluid channeling is avoided.

The utility model relates to the technical field of mechanical seals, and discloses a mechanical seal with driving ring sleeves, which comprises a connecting sleeve, movable ring sleeves are fixedly sleeved on the left side and the right side of the connecting sleeve, a static ring is arranged on the left side of the movable ring sleeve on the left side, a shaft sleeve is arranged on the right side of the movable ring sleeve on the right side, and a movable ring is arranged between the left movable ring sleeve and the right movable ring sleeve. The two movable rings are arranged on the left side and the right side, the static ring is fixedly installed on the left side face of the left movable ring sleeve, the joint of the static ring and the left movable ring sleeve is fixedly sleeved with the sealing sleeve, and the shaft sleeve is fixedly installed on the right side face of the right movable ring sleeve. The static ring is tightly attached to the end face of the left movable ring and the end face of the right movable ring is tightly attached to the end face of the shaft sleeve under the action of fluid pressure and elasticity of the elastic sleeve, a main sealing face is formed, fluid leakage is prevented, the elastic sleeve and the connecting spring provide strong elastic compensation force, and abrasion, thermal expansion and other changes of the sealing faces can be automatically compensated; and tight attachment of the sealing surface is kept.

The invention discloses an automobile tie rod spherical hinge joint structure convenient for regular maintenance and adjustment of rotation damping, which comprises a first connecting piece and a second connecting piece, a ball head is arranged on the first connecting piece, a ball socket cavity is formed in the second connecting piece, the ball head is configured to be rotatably connected in the ball socket cavity, an embedded groove is formed in the ball socket cavity, and the first connecting piece and the second connecting piece are connected through the embedded groove. A damping piece is movably embedded in the embedded groove, a concave spherical surface used for being attached to the surface of the ball head is formed on the damping piece, a screw plug is connected to the position of the ball socket cavity in a threaded mode, and an elastic piece is arranged between the screw plug and the damping piece. The concave spherical surface of the damping piece elastically abuts against the surface of the ball head through the elastic force effect of the elastic piece, the damping effect is generated on the rotating motion of the ball head in the ball socket cavity, the compression amount of the elastic piece is changed by rotating the screw plug, and then the damping value generated by the damping piece on the rotating motion of the ball head is adjusted. According to the automobile tie rod spherical hinge joint structure, the effect that rotation damping is controllable and adjustable can be achieved by rotating the screw plug.

The utility model discloses a valve element convenient to replace and install. The valve element comprises an upper valve rod, a lower valve rod, a sealing head and a valve deck. The valve cover is mounted on the shell; the upper valve rod penetrates through the valve cover, and the upper valve rod is rotatably and fixedly connected to the valve cover; the lower valve rod is connected to the upper valve rod in a telescopic mode, and the upper valve rod rotates to drive the lower valve rod to stretch out and draw back. The sealing head is fixedly connected to the lower end of the lower valve rod and arranged at the water inlet of the shell in an opening and closing mode. Compared with the prior art, the valve element convenient to replace and install is low in cost and convenient to replace and install, and a user can replace and detach the valve element greatly conveniently.

The utility model discloses a main valve structure of high pressure pneumatic cleaning device, including valve body, valve ball, left valve pipe spare, right valve pipe spare, the inside of valve body is provided with valve cavity, valve ball rotation is connected in the inside of valve cavity, the left side of valve body is fixedly connected with left valve pipe spare through flange spare, left valve pipe spare other end is connected with gas pressure system, be provided with pneumatic seal spare in left valve pipe spare, pneumatic seal spare and valve ball left side contact, the right side of valve body is fixedly connected with right valve pipe spare through flange spare, right valve pipe spare other end is connected with cleaning device, be provided with spring seal spare in right valve pipe spare, spring seal spare and valve ball right side contact. The utility model discloses a kind of main valve structures of reliable sealing, effectively improve service life and safety.

The present invention belongs to valve technology, and specifically relates to a floating ball valve with a parallel valve seat inclined surface, comprising a valve body, a valve seat assembly, a ball, a valve cover and a valve stem, wherein the bottom end of the valve stem is connected to the ball, an outlet auxiliary valve seat is installed at the channel outlet of the valve body, and an inlet auxiliary valve seat is installed at the channel inlet of the valve body; the auxiliary valve seat comprises an integrally processed small cylinder and a wedge-shaped cylindrical block, and the end face of the wedge-shaped cylindrical block is a matching inclined surface. The device reduces the difficulty of inclined surface processing and grinding, and improves production efficiency; solves the problem that the inclined surface inclination angle is not limited by the valve seat material; cancels the spring pre-tightening structure between the ball and the valve stem, reduces the valve stem torque, and prevents the ball from not coinciding with the valve body channel axis after the sealing surface is worn.

The utility model discloses a belt conveyor guide chute sealing device capable of automatically compensating, belongs to the technical field of belt conveyor guide chute equipment, and is used for compensating a sealing plate. According to the technical scheme, a horizontal upper top plate is welded to the upper end of a base, two vertical sliding rails are welded to the plate face of the base in parallel, two guide blocks are arranged on the two sliding rails in a sleeved mode respectively, guide grooves are formed in the outer sides of the two guide blocks respectively, a sliding hole is formed in the center of the upper top plate of the base, and the upper portion of a spring rod is inserted into the sliding hole. The spring rod is sleeved with a spring, the lower portion of the spring rod is fixedly connected with the two guide blocks through bolts, the movable plate is a rectangular plate, the two sides of the movable plate are connected with the guide grooves of the opposite guide blocks of the two bases respectively, and the lower end of the movable plate is connected with the sealing plate through the connecting plate. The sealing device is simple in structure and convenient to use, abrasion of the sealing device can be automatically compensated, the good sealing effect is guaranteed, the service life of the sealing device is prolonged, and the frequency of replacement and maintenance is reduced.