41 results about "Contraction ring" patented technology

The present invention provides a total solid beam contraction type steel corrosion monitoring sensor and a preparation method thereof. The total solid beam contraction type steel corrosion monitoring sensor comprises three graphite beam contraction rings, three total solid reference electrode, two sensor fixing racks, three sets of beam contraction protecting casing and three sets of PVC tubes used for packing the total solid reference electrodes and leading out the conducting wire. The invention uses finite elements for analyzing the arrangement characteristic of potential wire in solid dielectric of concrete, and at the same time adopts a long-lifetime and total solid reference electrodes which are developed independently for realizing the control to the area of working electrode in the corrosion monitoring process with the electrochemistry method. Finally the total solid beam contraction type corrosion sensor which has reasonable structure and is suitable for the application of actual project is designed out. A designing concept of ''plug and play'' is adopted in the designing process of sensor. The fast construction requirement can be satisfied, and the laying process of the sensor is greatly simplified.

The invention discloses rust-proof oil coating equipment for maintenance of an injection mold capable of wiping sundries. The rust-proof oil coating equipment structurally comprises a wiping device, abase, a rolling shaft, a supporting table, a containing groove and a controller, wherein the wiping device is embedded in the top of the supporting table, the outer surface of the top of the base isprovided with the containing groove, the rolling shaft is fixedly arranged on the inner side of the containing groove, the bottom of the supporting table is welded on the outer surface of the top of the containing groove, and the controller is fixedly arranged on the right side of the outer surface of the top right ahead of the base. The rust-proof oil coating equipment has the beneficial effectsthat an auxiliary mechanism is structurally arranged on the rust-proof oil coating equipment and is used for blowing air to the mold under the action of an electromagnet II and a contraction ring, animpurity removal mechanism is arranged so as to carry out wiping work on the mold under the action of an electromagnet I and a wiping cloth, residual impurities on the mold are prevented from influencing the later coating work, a coating mechanism is further arranged, under the action of a rotating plate and an air bag I, the mold is subjected to spray and coat, and the mold can be coated with rust-proof oil in all directions.

The invention discloses a process device for coating denitration catalyst slurry. The process device comprises a substrate (1), an air hood (2) and an air cylinder (3). The substrate adopted by the process device is provided with an upper cavity and a lower cavity; a seal ring and an expansion contraction ring are arranged on the upper edge of the upper cavity; a lower air connector, an exhaust connector and a slurry connector are arranged at the upper part of the substrate, wherein the lower air connector is communicated with the expansion contraction ring, the exhaust connector is communicated with the middle part of the upper cavity, and the slurry connector is communicated with the lower part of the upper cavity; the air hood is provided with an upper air connector and a lifter, the air hood is positioned above the substrate, and the lifter is fixed on the substrate; the air cylinder is positioned in the lower cavity, and a piston rod of the air cylinder is connected with a support and is positioned in the upper cavity; during working, the technical scheme that firstly vacuum is utilized for absorbing slurry to the upper end face of a honeycomb carrier from downwards to upwards along honeycomb-shaped micropores and then compressed air is utilized for blowing the slurry away from the honeycomb carrier from upwards to downwards along the honeycomb-shaped micropores is adopted to complete coating, the production of honeycomb carrier coated slurry is realized, and the purposes of improving the working condition, alleviating the strength, eliminating the waste, improving the efficiency and reducing the cost are achieved.

The invention discloses a crushing pipe anti-bending device for a motor train unit. The device comprises a base, a guide rod, an expansion cone, a contraction ring, an inner sleeve, a middle sleeve and an outer sleeve. The right end of the middle sleeve makes contact with the expansion cone and the contraction ring. The guide rod is in contact with the expansion cone and the inner sleeve. A positioning rod makes contact with a limiting hole. An initial expanding induction structure is arranged at the right end of the middle sleeve in order to reduce the initial triggering peak force of a crushing pipe and can be matched with extrusion of the contraction ring. Plastic deformation of the middle sleeve is reutilized, energy is absorbed through two times of plastic deformation, and the utilization rate of materials is increased. The stability of the expansion cone 4 is enhanced, and instability of the crushing pipe can be effectively prevented.

The invention discloses automatic sealing exhaust equipment for a solar vacuum pipe. The automatic sealing exhaust equipment comprises a main vacuum pipeline, a joint connecting pipe, a joint seat, a joint cover, an air pressure contraction ring, an air pressure main pipe, air pressure branch pipes, a working table, a protection ring and a lower cover board. An insertion opening is formed in the upper part of the working table; the protection ring is mounted on the insertion opening; the joint seat is mounted on the cover board; the joint seat is provided with a negative pressure passage, a buffer slot, a clamping chamber and an air injection passage; the joint connecting pipe is mounted on the negative pressure passage; a buffer ring is mounted in the buffer slot; the joint connecting pipe is in threaded connection with branch vacuum pipelines; the branch vacuum pipelines are welded on the main vacuum pipeline; the joint cover is fixedly mounted on the joint seat by 2 to 8 bolts; the joint cover is provided with an insertion hole. The automatic sealing exhaust equipment for the solar vacuum pipe can automatically complete abutting with the solar vacuum pipe, simultaneously can automatically clamp the solar vacuum pipe, is high in working efficiency, is simple in equipment structure, is reliable in operation and has a good sealing effect.

The invention provides a valve contraction ring system. The system includes a positioning device, a conveying device, an anchoring device and a tightening line, and the anchoring device includes a plurality of anchoring components; the positioning device is provided with a plurality of axially arranged windows, the positioning device is positioned on a targeting part, and the plurality of windowsface different positions of the targeting part; the conveying device conveys the plurality of anchoring components along the positioning device to the different positions of the targeting part throughthe plurality of windows, respectively; the anchoring device fix the anchoring components passing through each window at the different positions of the targeting part in sequence; and the tighteningline is used to connect and tighten a plurality of anchoring components fixed at the different positions of the targeting part in series, so that the circumference of the targeting part is contracted.According to the valve contraction ring system provided by the invention, the anchoring device extends from different windows to fix the anchoring components at the different positions of the targeting part, and the targeting part is tightened by the tightening line, so that the effect of contracting the circumference of the targeting part is realized.

The invention relates to an induction heating hydraulic disassembly and assembly machine. The machine includes a hydraulic top pulling device, a control device and a lifting adjustment device. The lifting adjustment device includes a frame and an adjusting screw rod, and the hydraulic top pulling device is connected with the frame by the adjusting screw rod; The hydraulic top pulling device comprises a hydraulic jack, a pull rod, a draw hook and an inner housing, the draw hook is connected with the pull rod through a positioning sleeve, and the pull rod is connected with the inner housing through a pull rod support sleeve; The inner housing is formed in a cylindrical structure, and electromagnetic coils are disposed on an outer circumference of the inner housing; and the electromagnetic coils are connected to the control device through lead wires, and outer surfaces of the electromagnetic coils are provided with shells. The induction heating hydraulic disassembly and assembly machine is formed by adopting combination of electric induction heating and a hydraulic jacking system, the height can be arbitrarily adjusted, and the machine is suitable for a wheel train which is difficultto disassemble due to an interference fit. The induction heating hydraulic disassembly and assembly machine can be widely used for heating and disassembling of various annular hole-shaped metals suchas bearings, main wheels, bushings, shaft sleeves, diameter rings, pulleys, contraction rings and couplings, and the purpose of interference disassembly and assembly is achieved through heating expansion.

The invention discloses a sodium-sulfur battery electrolyte thin-wall ceramic tube sintering tool in the field of chemical energy storage. The sodium-sulfur battery electrolyte thin-wall ceramic tube sintering tool comprises a container. The bottom of the container is closed by a container base. A supporting ring is fixed on the top face of the container base. At least one air exchange passage is formed in the annular wall of the supporting ring. The container, the container base and the supporting ring are all made of fire resistant materials which can resist to alkaline atmosphere and high temperature of more than 1500 DEG C. A synchronous contraction ring is arranged on the top face of the supporting ring and is made of a green-ware of solid electrolyte Na-beta''-A12O3. A green-ware of an electrolyte thin-wall ceramic tube is inversely placed on the top face of the synchronous contraction ring. The sodium-sulfur battery electrolyte thin-wall ceramic tube sintering tool has the advantages of being capable of effectively reducing the production cost of the electrolyte thin-wall ceramic tube, realizing batch production, and being capable of effectively improving the sintering yield and performance uniformity of the electrolyte thin-wall ceramic tube and effectively preventing the of the green-ware of the electrolyte thin-wall ceramic tube from cracking and deforming and the like in the sintering process.

The invention relates to a pipe-expansion tip cone and a pipe-expansion method of the same. The pipe-expansion tip cone includes a plurality of L-shaped pipe-expansion single bodies, wherein each pipe-expansion single body includes a sector portion and a sector cylinder portion; the inner side surface of the sector cylinder portion is a conical cambered surface; the outer side surface of the sector cylinder portion is a cylindrical cambered surface; the plurality of L-shaped pipe-expansion monomers are combined together in a central symmetrical manner to form the pipe-expansion tip cone; the bottom of the sector cylinder portion of the pipe-expansion monomer is in cup joint with an elastic contraction ring; a conical hole is formed through coordination of the inner side surface of the pipe-expansion monomer; an external conical pipe-expansion shaft is coordinatively plugged in the conical hole; and the outer side surface of the middle part of the sector cylinder portion is provided with a circumferential buffer slot which is convenient for timely releasing of the surface stress of the pipe-expansion tip cone during the pipe-expansion process. When the pipe-expansion tip cone is used, a method of multiple deformation is employed, so that single time of deflection of a pipe piece can be reduced; cracking of the pipe piece can be avoided; and the shape of the orifice of the pipe piece after multiple times of pipe-expansion can become more uniform.

The invention discloses a wave-resistant muffler. The muffler includes an inner pipe and an outer pipe installed on the inner pipe. One end of the outer pipe is provided with close-up blocks distributed at equal intervals, the close-up blocks are welded and fixed with the side wall of the inner pipe, the portion, near the outer pipe, of the side wall of the inner pipe is provided with cooling finsdistributed at equal intervals, the end, away from the close-up blocks, of the side wall of the outer pipe is provided with heat emission holes distributed annularly, the end, away from the close-upblocks, of the inner wall of the outer pipe is welded with contraction rings, the inner walls of the contraction rings are welded and fixed with the side wall of the inner pipe, the inside of the inner pipe is sleeved with a muffler assembly, the muffler assembly includes a muffler outer pipe and a muffler inner pipe sleeving the inside of the muffler outer pipe, and one end of the muffler inner pipe is welded with sealing rings. Through the combination of the cooling fins, heat dissipation is facilitated, shrinkage and deformation, caused by excessive temperature, of a resin sound absorptionlayer are avoided, the service life of the muffler is prolonged, the muffling area is increased, the muffling effect is increased, the better muffling effect is achieved, and installation is facilitated.

A flexible pipe-in-pipe water supply component and its construction and use method, comprising a pre-embedded box embedded in the wall, a number of water distribution ports are arranged on the wall of the pre-embedded box, at least one water distribution port is connected with a sheath pipe, and each protection Water distribution pipes are respectively arranged in the sleeve pipes, and the water distribution pipes pass through the water distribution port and are connected with the integral valve body part or the water terminal arranged in the pre-embedded box. The terminal parts of this device are integrated and installed in the pre-embedded box, and the water distribution pipe is arranged in the sheath pipe, which is convenient for installation and replacement; when the water distribution pipe and the overall valve body parts fail, the size of installation and disassembly required for the installation of the memory shrink ring is very small, so The integral valve can be easily taken out from the pre-embedded box, and then the water distribution pipe can be pulled out from the sheath pipe, which is convenient for maintenance.

The invention provides an electric controllable contraction ring. The contraction ring comprises an annular contraction ring outer frame, tension springs, a winch, a steel cable and a winch motor, wherein a plurality of connecting holes evenly distributed are formed in the inner side of the contraction ring outer frame, and a plurality of mounting holes are formed in the outer side of the contraction ring outer frame; the plurality of tension springs which have the same stiffness coefficient and are uniformly distributed are arranged in the contraction ring outer frame, and the outer end of each tension spring is fixedly connected with the connecting hole; the winch is arranged on one side of the contraction ring outer frame, and a circle of groove is formed in the middle of the winch; a head end of the steel cable is wound in the groove, a tail end of the steel cable is fixedly connected with the contraction ring outer frame, the head end and the tail end are mutually crossed to forma ring body, and the ring body is fixedly connected with the inner end of each tension spring in sequence; and the winch motor is arranged at the bottom of the winch and used for driving the winch torotate so as to control the number of turns of the steel cable wound in the groove. The contraction ring has the beneficial effect that grabbing adaptability and flexibility of the underwater robot are improved.

The invention discloses a multidirectional multipurpose convenient locking connecting device, and belongs to the field of mechanical product manufacturing. The multidirectional multipurpose convenient locking connecting device is characterized by comprising a left fixing clamp and a right fixing clamp, wherein 1-2 adjusting and locking assemblies are arranged between the two fixing clamps; each adjusting and locking assembly comprises a pipe piece connecting device, a contraction ring, contraction ring ends, a cam wrench, a small shaft, a large shaft, a connecting ring screw, and a gasket or a nut or a fastening device, the left fixing clamp and the right fixing clamp are arranged on the pipe piece connecting device, mounting holes of the large shaft are formed in the fixing clamps, the two sides of the pipe piece connecting device protrude, and connecting lugs of the large shaft are arranged on the protruding parts, so that the two ends of the large shaft can protrude out of the connecting lugs and can rotate in the connecting lugs. The multidirectional multipurpose convenient locking connecting device can connect an external object with the pipe piece connecting device, multi-direction and large-angle angle adjustment and locking can be carried out on the same plane, no gap exists during locking, firmness and stability are achieved, connection is reliable, use is convenient and fast, and multiple purposes are achieved.

The invention discloses a large board square cabin everywhere installation structural member and an installation method thereof.The large board square cabin everywhere installation structural member comprises a base, an elastic clamping jaw disc and a contraction ring, an axial glue injection hole is formed in the base, threads are arranged on the inner wall of the glue injection hole, the elastic clamping jaw disc is coaxially and fixedly arranged outside the base in a sleeving mode, and the elastic clamping jaw disc comprises a plurality of elastic clamping jaws arranged in the circumferential direction; the multiple elastic clamping jaws are connected into a whole, the elastic clamping jaws expand outwards by a preset angle and are in a radial shape, the elastic clamping jaw disc is sleeved with the contraction ring, and the contraction ring is used for contracting the outward opening angle of the elastic clamping jaws. According to the invention, when the installation structural member is installed at any place, the opening size of the bulkhead is reduced, the damage to the original wall plate is reduced, the bottom structure is expanded, and the tensile capacity and the overall strength are improved; the installation mode is simple, new equipment can be conveniently added or the original equipment fixing position can be conveniently changed, and the separation layer between the skin and the interlayer material at the installation position is reduced.

The invention belongs to the field of bearings, and particularly relates to a bearing convenient to mount. The bearing comprises a connecting sleeve; a fixing column is arranged at the bottom of the connecting sleeve; the bottom of the connecting sleeve is fixedly connected with the top of the fixing column; mounting blocks are symmetrically arranged at the two ends of the fixing column; the right end of the fixing column is fixedly connected with the left ends of the mounting blocks; mounting holes are formed in the axis centers of the mounting blocks; a bottom plate is arranged at the bottom of the fixing column; the bottom of the fixing column is fixedly connected with the top of the bottom plate; a contraction ring is arranged at the top of the connecting sleeve; contraction springs are symmetrically arranged in the contraction ring; the inner wall of the contraction ring is contact with the outer surfaces of the contraction springs; limiting rods are symmetrically arranged at both ends of the contraction springs; the top ends of the contraction springs are fixedly connected with the tops of the limiting rods; contraction mechanisms are arranged at the bottoms of the limiting rods; the bottom of the limiting rods are fixedly connected with the tops of the contraction mechanisms; and contraction rods are arranged at the bottoms of the contraction mechanisms.

The invention discloses chemical medicine sampling equipment. The equipment comprises a sampling mechanism; a positioning cylinder is in threaded connection with the top of the outer surface of the sampling mechanism; limiting ring hooks are fixedly connected to the top of the outer surface of the positioning cylinder; an auxiliary arc rod is movably connected to the top of the outer surface of the positioning cylinder and located between the limiting ring hooks; a pressing rod is movably connected to the end, away from the positioning cylinder, of the auxiliary arc rod and comprises an inner rod; a sleeve rod is movably connected to the outer surface of the inner rod; a contraction ring sleeve is arranged in the middle of the sleeve rod; the outer surface of the sleeve rod is movably connected with the positioning cylinder; and the outer surface of the contraction ring sleeve is movably connected with the positioning cylinder. The invention belongs to the technical field of chemical machinery. Internal air is removed, an internal vacuum environment is realized, the internal air is prevented from entering a chemical reagent during sampling, the reaction progress and rate of chemicals are reduced, the reaction time of operators is prolonged, and personnel and equipment are protected.

The invention belongs to the field of clamps, and particularly relates to a clamp of a milling machine for quickly positioning and clamping a workpiece. Auxiliary mechanisms are symmetrically arranged at two ends of a clamping block, wherein the left end of the clamping block is movably connected with the right ends of the auxiliary mechanisms; a control block is arranged below the auxiliary mechanisms, and the interior of the control block is fixedly connected with the bottom of the clamping block; a contraction ring is arranged in the clamping block; the inner wall of the clamping block is fixedly connected with the outer surface of the contraction ring; telescopic columns are symmetrically arranged at two ends of the contraction ring, and the left end of the contraction ring is fixedly connected with the right ends of the telescopic columns; the control block comprises a shell, hydraulic columns are evenly arranged in the shell, and the inner wall of the shell is fixedly connected with the bottom ends of the hydraulic columns; and a connecting column is arranged at the top ends of the hydraulic columns, the top ends of the hydraulic columns are fixedly connected with the bottom end of the connecting column, and the top end of the connecting column is fixedly connected with the bottom of the clamping block.

The invention relates to the technical field of hand posture correctors, discloses a Guzheng hand posture corrector, and solves the technical problem of correcting hand posture when a Guzheng is playing. The Guzheng hand posture corrector is characterized in that the Guzheng hand posture corrector comprises a tiger mouth fixed part, the tiger mouth fixed part is matched with the tiger mouth part of a hand, and the tiger mouth fixed part is connected with a contraction ring; the contraction ring is provided with a supporting part, the supporting part is in a circular shape and the inner side ofthe supporting part is arched to support a palm heart, and the outer side of the supporting part is of a hollow structure; the tiger mouth fixing part is made of flexible materials and the wall thickness decreases from the middle to the edge; the contraction ring comprises a first hand chain part and a second hand chain part, the first hand chain part is provided with a plurality of buckle holes,and the second hand chain part is fixedly connected with buckles matched with the buckle holes; and the edge of the first hand chain part is connected with a limiting part.

The invention discloses a floor drain which comprises a filter hole cover plate; fixed connection rings are connected with the two sides of the lower side of the filter hole cover plate respectively and the lower side of the fixed connection rings are connected with a nylon wire elastic sleeve together; an elastic contraction ring is installed at the middle part of the nylon wire elastic sleeve; and the two sides of the filter hole cover plate, the fixed connection rings, the nylon wire elastic sleeve and the elastic contraction ring are connected with a sewer. Through arrangement of the filter hole cover plate, the fixed connection rings, the nylon wire elastic sleeve and the elastic contraction ring, the floor drain provided by the invention is beneficial to better contracting for smellisolation, can be opened to a certain degree at the same time without influencing some particle garbage which can pass through small holes to pass through, the floor drain reaches best use effect, improves the working efficiency, perfects the diversity of functions and is convenient to popularize and use.