35results about How to "Reliable pressing force" patented technology

The invention discloses a melt flow control device and method for a fusion coating forming process, comprising a crucible melting unit, a fusion coating head, an air pressure drive unit, a jet flow start-stop device, a crucible liquid level ranging module and an industrial computer . The water-cooled top cover is located above the melting crucible, and the molten coating head is placed below the melting crucible; the melting unit of the crucible is connected with the air pressure drive unit; the jet start-stop device drives the start-stop control lever to press down or lift up to realize the start and stop of the jet flow. stop. The pressure control adopts three-level division of labor: the computer sends the injection pressure to the PLC according to the pressure-flow function relationship, and the PLC simultaneously receives the melt level signal from the laser ranging module and the injection pressure of the industrial computer, and sends the air pressure control command to the pressure The controller, the pressure controller realizes the real-time control of the gas pressure in the crucible, so as to realize the precise control of the jet flow during the forming process, so as to complete the high-precision and high-efficiency coating forming of the target parts.

A tension clamp (1) for fastening a rail (S), having a central portion (3), having at least one torsion portion (9, 10) which extends in the lateral direction from the central portion (3), having at least one transition portion (7, 8) which adjoins the torsion portion (9, 10), and having at least one holding arm (13, 14) which is connected to the transition portion (7, 8) and of which the end portion (19, 20), which is assigned to the free end of the holding arm (13, 14), is aligned in an angled manner in relation to the torsion portion (9, 10) as seen in a plan view of the tension clamp (1), wherein, on the angled end portion (19, 20) of the holding arm (13, 14), there is formed a support region (21, 22) which extends over the length of the end portion (19, 20), and the end portion (19, 20) is angled in relation to a part (15, 16), which adjoins said end portion, of the holding arm (13, 14) such that, when the tension clamp (1) is in the fully installed state, the support region (21, 22) is supported over its entire length (Le) in a linear manner on the associated surface (O) of the rail foot (F) of the rail (S) to be fastened.

The invention discloses a device for cutting an insulation support for a transformer body, comprising a workbench body. The workbench body comprises a workbench surface, four rectangular tubes which are arranged under the workbench surface to support the workbench surface, three cantilevers which are fixed on the workbench body and bulge out of the workbench surface, two guide rails which are arranged on the cantilevers in parallel and four moving guide plates which can move and be fixed by passing through the two guide rails. The device improves the working efficiency and can conveniently finishing cutting the insulation support for the transformer body and save time and labor, and the cut insulation support has flat paperboard, thus greatly improving the production quality and the production efficiency. The jig saw is held by both hands so that the jig saw is stable with force, and both hands are not contacted with the paperboard of the insulation support, thus avoiding the possibility that the jig saw is liable to hurting own hands in the original cutting mode.

The invention provides a sawing numerical control equipment for right-angle arc chamfering in plates, which is characterized in that it includes: a frame, a sawing mechanism for plate positioning and sawing processing, and a sawing mechanism for driving the sawing mechanism along the The z-axis mechanism for reciprocating movement of the z-axis, and the platen mechanism for pressing and fixing the plate; the frame is provided with a supporting platform for supporting the plate; the sawing mechanism is connected with the z-axis mechanism; the platen mechanism is located on the supporting platform Above; the sawing mechanism includes a sawing mounting plate, an upper sawing assembly and a lower sawing assembly; both the upper sawing assembly and the lower sawing assembly are arranged on the sawing mounting plate, and the sawing mounting plate is connected with the z-axis mechanism. The sawing numerical control equipment can realize right-angle circular arc chamfering sawing in the board, save labor costs, improve the processing efficiency and precision of the board, improve the consistency of processing, have a simple structure, high reliability, and avoid damage to the skin of the board.

The invention discloses a transformer winding drying constant pressure device, which includes a base, a platform lifting hole, a transmission cavity, a first lever device, a second lever device, an extrusion plate, an extrusion chute, a return spring, a winding platform and a winding shaft. The base is arranged in a circular shape, the platform lifting hole is set in the center of the base, the transmission cavity is set in the base, the return spring is vertically set in the center of the transmission cavity, and the winding platform is set in the platform lifting hole , the winding shaft is set on the winding platform, the extrusion chute is fixed on the upper wall of the base, the extrusion plate is slidably set on the extrusion chute, and the first lever device is set on the transmission space In the cavity, the second lever device is arranged above the base and outside the extrusion plate. The invention belongs to the technical field of transformer production, and specifically provides a transformer winding drying constant voltage device with tight clamping, continuous and constant clamping force, simple operation, high safety, high practicability, easy movement and low cost.

The invention provides an air cylinder special for a pneumatic compression type oil vapor recovery sealing device of a train. The air cylinder special for the pneumatic compression type oil vapor recovery sealing device of the train comprises a medium overflowing pipeline and a sealing cover matched with a top tank opening of a train tanker. An annular dovetail groove is formed along the outer edge of the lower surface of the sealing cover. A rubber sealing gasket is arranged at the position of the dovetail groove. The rubber sealing gasket is provided with a hard dovetail connection portion. A soft sealing portion is arranged below the dovetail connection portion. A medium overflowing pipeline installation hole is formed in the center of the sealing cover. A cylinder barrel body is arranged below the sealing cover and the medium overflowing pipeline is sleeved with the cylinder barrel body. A pressure cavity is formed between the outer wall of the medium overflowing pipeline and the inner wall of the cylinder barrel body. A piston is arranged in the pressure cavity. The medium overflowing pipeline is sleeved with the piston and is fixedly connected with the piston. The air cylinder is specially designed and manufactured for the structure of the sealing device and can not only provide stable and reliable locking force but also be integrated with a sealing recovery assembly. The air cylinder is compact in structure, economical, environmentally friendly, capable of greatly reducing the overall weight of the device, and capable of being more conveniently used in cooperation with a loading arm.

The invention discloses an automatic fixing device for a rolling fixture. The device is characterized in that: a fixing seat (2) is provided with a cylinder bracket (18), and a cylinder (1) is mounted on the cylinder bracket (18) through a fourth rotary shaft (19). A compaction block (6) and a cushion block (7) are sleeved on a pull rod (12); a lock nut (8) on the upper part of the pull rod (12) compacts the compaction block (6) and the cushion block (7); and the pull rod (12) passes through a rolling work platform (4), and a compaction spring (11) is sleeved on the lower part of the pull rod(12). One end of a rotary arm (16) is connected with a piston rod of the cylinder (1) through a third rotary shaft (17); and a roller (13) is arranged at the other end of the rotary arm (16) through a first rotary shaft (14), and resists against the lower surface of a flange at the lower end of the pull rod (16). Through the invention, quick replacement and automatic fixation of the rolling fixture are realized, the position precision and stability of the rolling fixture on the work platform are ensured, the size precision of the rolling section is guaranteed, the fixture replacing time is shortened, the production efficiency is improved, and the labor intensity of workers is reduced. Compaction is realized by use of spring force, the cost is lowered, and energy is saved.

A truck top locking type oil-gas recovery and sealing device comprises a vertical pipe and a sealing cover matched with a top tank opening of an oil tank truck. A vertical pipe passing hole is formed right in the middle of the sealing cover, a gas-liquid phase cylinder body is arranged above the sealing cover, and the lower edge of the gas-liquid phase cylinder body is connected with the upper surface of the sealing cover. A gas phase pipe is arranged on the side wall of the gas-liquid phase cylinder body, and a vertical pipe lifting air cylinder is arranged in the gas-liquid phase cylinder body. A cover plate cylinder body is arranged below the sealing cover, a rubber gasket is arranged on the sealing cover along the outer wall of the cover plate cylinder body, and the lower portion of the cover plate cylinder body is provided with a bottom buckling and pressing mechanism matched with the inner edge of the tank opening of the oil tank truck. According to the truck top locking type oil-gas recovery and sealing device, the integrated air cylinder is used as driving force to drive a chassis bolt mechanism of the sealing device to ascend, and bolts spread out and clamp the bottom of a manhole cover of the tank opening from the inside of the tank opening to provide stable and reliable pressing force for the rubber gasket on the upper portion of the tank opening. The pressing force is only formed between the sealing device and the tank opening, the adverse factors of oil-gas pressure in the oil tank truck, sinking of the oil tank truck and the like can be overcome, and the truck top locking type oil-gas recovery and sealing device is reliable in sealing, easy to operate and compact in structure.

The invention discloses a pneumatic compacting self locking type oil tank gas recycling and sealing device arranged on the top of a train. The pneumatic compacting self locking type oil tank gas recycling sealing device is characterized in that a rubber gasket is placed above a tank port, a bottom withholding mechanism is positioned in the tank port, and a vertical pipe lifting air cylinder is arranged in the bottom withholding mechanism; the vertical pipe lifting air cylinder can drive a vertical pipe to connect with the withholding mechanism, and spring bolts and a bottom support arranged in the withholding mechanism are connected with a guiding sliding groove in an outer cylinder through a sliding mechanism; when the vertical pipe drives the withholding mechanism to upward move, the spring bolts can horizontally unfold and can upward compact a tank wall, and the stable reliable pressing force is provided for the rubber gasket arranged on the upper part of the sealing device. The sealing device disclosed by the invention has the advantages that the compacting force is only acted between a sealing cover and the tank port, the influence from the rigidity of a crane pipe and a tank car is small, the provided compacting force greatly exceeds the pressured generated by oil gas, and the sealing effect is very reliable; the sealing device finishes compacting and loosening through a pneumatic assembly; the sealing device is suitable for sealing tank ports of multiple train tanks, the operation is simple, and the sealing device is used for sealing and recycling the top truck loading of a volatile oil product or chemical medium train tank of an oil refinery, a storage field or a chemical engineering unit.

The present invention relates to a low cylinder of hydraulic double-acting stretcher, belonging to the field of calendering equipment technology. The mechanism includes working table plate which can be moved along the upright column of machine seat and low cylinder mounted on the machine seat. The also includes slide support frame, short connecting bar, curved connecting bar and long connecting bar. The described slide support frame is fixedly connected with end head of piston rod of lower cylinder, two ends of the described short connecting bar are respectively hinged with the slide support frame and one end of the curved connecting bar, the described curved connecting bar is made into the inverted 'L' form, its one end is hinged on the machine seat, and its corner is hinged with made into the inverted 'L' form, its one end is hinged on the machine seat, and its corner is hinged with one end of the long connecting bar, and another end of the long connecting bar is hinged with working table plate.

A tension clamp (1) for fastening a rail (S), having a central portion (3), having at least one torsion portion (9, 10) which extends in the lateral direction from the central portion (3), having at least one transition portion (7, 8) which adjoins the torsion portion (9, 10), and having at least one holding arm (13, 14) which is connected to the transition portion (7, 8) and of which the end portion (19, 20), which is assigned to the free end of the holding arm (13, 14), is aligned in an angled manner in relation to the torsion portion (9, 10) as seen in a plan view of the tension clamp (1), wherein, on the angled end portion (19, 20) of the holding arm (13, 14), there is formed a support region (21, 22) which extends over the length of the end portion (19, 20), and the end portion (19, 20) is angled in relation to a part (15, 16), which adjoins said end portion, of the holding arm (13, 14) such that, when the tension clamp (1) is in the fully installed state, the support region (21, 22) is supported over its entire length (Le) in a linear manner on the associated surface (O) of the rail foot (F) of the rail (S) to be fastened.

The invention provides a method for customizing the right-angle circular arc chamfering sawing of furniture boards, which is characterized in that: loading, positioning and fixing the boards to be processed; Saw the inner right-angle arc chamfer of the plate to be processed: first cut and saw the inner right-angle arc chamfer of the plate to be processed from top to bottom or from bottom to top along the thickness direction of the plate, and the cutting stroke is less than the thickness of the plate. Incomplete sawing of the inner right-angled arc chamfer, and then reversely saw the inner right-angled arc chamfer of the plate to be processed along the thickness direction of the plate, so that all the inner right-angled arc chamfers are sawed. The invention can realize the automatic cutting and sawing processing of right-angle arc chamfering in the plate, save labor costs, improve the processing efficiency and precision of the plate, improve the processing consistency, and prevent the surface of the plate from being damaged.