63results about How to "Prevent co-rotation" patented technology

The invention provides a punching machine with a simple structure, which can make a punch head linearly advance along the vertical direction even when the punch head is inclined and prevent an advancing and retreating part of a ball screw mechanism elevating the punch head from corotating relative to a rotary part. The punching machine comprises a punch head supported by an elevation guide mechanism on a main body frame in a way to be elevated on the two ends, and a pair of ball screw mechanisms equipped respectively on the left and the right and independently making the two end parts of the punch head elevated. The elevation guide mechanism allows the inclination of the two ends of the punch head. A rotation-preventing inclination-allowing connecting mechanism is equipped to make the advancing and retreating part of the ball screw mechanism, the threaded shaft, connected with the punch head on the premise that the threaded shaft core is prevented from rotating relatively and the inclination of the punch head is allowed. A linear advancement guide mechanism is equipped between the main body frame and the punch head for limiting the left-to-right movement of the punch head.

The invention provides a sleeve for connection and a washer for supporting used reacting force, and connection can be made only via nut fixing without washer fixing, furthermore, a connecting structure is provided to connect in a mode that a nut and a bolt are not in a ''corotation''. A sleeve (B) used for a nut connection is provided with: an inner sleeve part provided with a clamping mechanism clamping with a nut, etc.; an outer sleeve part clamping with a washer (A) provided with an outer edge part (2), the outer edge part is provided with clamping tooth and the surface is formed to be a conical surface close to the bottom surface side at the outer edge side; an inner sleeve part (21)and an outer sleeve part (22) are mutually connected via mechanisms capable of rotating in reverse directions. The outer sleeve part is provided with clamping pawls (24) clamping with the clamping tooth, the lower end of the clamping pawl (24) is formed by a conical surface close to the base end side at the inner diameter side. Friction factor increase processing is applied to the face of a bolt head in a contact with the surface of the connected subject.

The invention relates to a rotor blade (30) of a wind turbine (100), comprising a main blade part and a blade tip (260), the blade tip (260) being detachably fastened to the main part by means of a connecting device (202). The connecting device (202) comprises a tip section (206) fastened to the blade tip (260) and a base section (204) for receiving the tip section (206), said base section being fastened to the main blade part. The tip section (206) comprises at least one securing means (242) for securing the tip section (206) to the base section (204), said securing means extending at least to the base section (204). The securing means (242) can be actuated through an opening (286) in the surface (282) of the blade tip (260) to secure the tip section.

A lip type seal consisting of parts which can be easily separated and sorted by material to facilitate recycling of the parts. A lip type seal provided with a mechanism for preventing rotation of constituent parts is also provided. The lip type seal has a first lip seal member constructed from a rubber-like elastic body, a metal-made holding ring fitted and held at the first lip member without bonding, and a resin-made second lip seal member and a backup ring which are held at the holding ring by staking. The first lip seal member has a tubular section, a radial section, a seal lip, and a flange section. The holding ring has a circular tube section, a first flange section, and a second flange section, and the second lip seal member and the backup ring are held between both the first and second flange sections by staking. A protrusion is provided at a position in the circumferential direction of the first flange section of the holding ring, and the protrusion engages with the second lip seal member to prevent rotation of the second lip seal member.

A card conveying mechanism and a card guider can prevent the co-rotation of the rotating shaft and the rotating component when the power transmission is cut off by a clutch mechanism. The card conveying mechanism (5) of the conveying card (2) comprises the following components: a conveying roller (6) which abuts against the card (2) for conveying the card (2), a rotating shaft (9) which is fixed with a conveying roller (6), a rotating component (30) which is rotatably supported by the rotating shaft (9), a driving mechanism (15) which is connected with the rotating component (30) and rotates the rotating component (30), and a clutch mechanism (33) which connects or cuts off the power transmission between the rotating shaft (9) and the rotating component (30). The rotating component (30) uses a rolling bearing for being rotatablely supported on the rotating shaft (9). The rotating shaft (9) is rotatablely supported by a plurality of bearings (18, 21). Furthermore, at least a bearing (18) which is configured closest to the rotating component (30) is a sliding bearing.

A thickness dimension (T 0 ) of a peripheral edge (6) of a seal element (5) held by an inner brim wall portion (2) of an outer case (1) and an inner brim wall portion (4) of an inner case (3) is set to be larger than a thickness dimension (T 1 ) of a remaining portion (7) of the seal element (5), and a ring concave groove (8) is formed on the peripheral edge (6).

This invention prevents co-rotation of an electric input gear (1) when driving from a manual input shaft (2) by way of: an input switching clutch (4) that transmits a rotation driving force applied tothe electric input gear (first input member) (1) or the manual input shaft (second input member) (2) to an output shaft (output member) (3) being provided; a simple structure speed reducer (5) that does not have a self-locking function being provided on the input side of the electric input gear (1); and the running torque required to rotate the electric input gear (1) from the manual input shaft(2) via the input switching clutch (4) being increased to be larger than the running torque required to rotate the output shaft (3) from the manual input shaft (2) via the input switching clutch (4).

The invention discloses an environment-friendly type fabric dyeing and finishing device. The environment-friendly type fabric dyeing and finishing device comprises an outer casing and a press sheet, wherein an air storage chamber is arranged at the upper end of one side of the outer casing; the lower part of one end, near the outer casing, of the air storage chamber is connected with an air guidepipe; an activated carbon filtering net, a high-efficiency filtering net and a screen plate are fixedly arranged in the air storage chamber, and the high-efficiency filtering net is positioned betweenthe activated carbon filtering net and the screen plate; a desiccant is arranged in the screen plate; the top part of the air storage chamber is provided with an air exhaust port; an inner casing isarranged in the outer casing. The environment-friendly type fabric dyeing and finishing device has the advantages that by arranging the activated carbon filtering net, the high-efficiency filtering net, the screen plate and the desiccant in the air storage chamber, the water vapor entrapped in the exhausted air is absorbed by the desiccant in the screen plate, and the overflowing of the air vaportogether with the air flow is avoided; the mixed particulate impurities in the exhausted gas are filtered by the high-efficiency filtering net, and the foreign odor gas is absorbed by the activated carbon filtering net, so as to prevent the pollution to environment due to direct emission of air.

To facilitate recycling and prevent rotation of constituent parts, a lip type seal has a first lip seal member constructed from a rubber-like elastic material, a metal-made retaining ring held at the first lip seal member without bonding, and a resin-made second lip seal member and a backup ring which are held at the retaining ring by caulking. The first lip seal member has a tubular portion, a radial portion, a seal lip, and a collar portion. The retaining ring has a cylinder portion, a first flange portion, and a second flange portion, and the second lip seal member and the backup ring are held between the first and second flange portions by caulking. A convex portion is provided at a position in the circumferential direction of the first flange portion, and the convex portion engages with the second lip seal member to prevent rotation of the second lip seal member.

The invention discloses a device and method for extraction and separation of a high-viscosity material, belonging to the technical field of solid-liquid separation. The device comprises a tank body, wherein a first stirring mechanism, a second stirring mechanism and a filter plate are sequentially arranged in an inner cavity of the tank body from top to bottom; the rotating axis of the first stirring mechanism and the axis of the tank body are arranged in parallel at a preset distance, and the first stirring mechanism comprises a wheel type stirrer and a rod type stirrer; and the second stirring mechanism comprises a plate-type stirrer arranged above the filter plate, and the plate-type stirrer is provided with an inclined scraping plate for scraping the filter plate and a vertical pushing plate for deslagging. According to the invention, continuous operation of extraction and separation of high-viscosity materials is achieved in the tank body, round-trip turnover of the materials is reduced, labor intensity is lowered, and extraction efficiency is improved.

The invention relates to the technical field of building operation, and discloses a floor cement component structure. The floor cement component structure includes a floor slab component, a beam component and six column components, the floor slab component is fixedly arranged at the upper end of the beam component, and the six column components are fixedly arranged at the lower end of the floor slab component. According to the floor cement component structure, using of a great deal of wood is avoided, and meanwhile the strength of floor slabs is strengthened.

The invention relates to the technical field of municipal construction, in particular to an adjustable guardrail for municipal construction; the adjustable guardrail which comprises a base, a handrail, a supporting structure, a storage structure, splicing structures, adjusting structures and an indicating structure; the whole guardrail can be better supported through the supporting structure, the stability of the guardrail in the placing process is guaranteed, meanwhile, the guardrail is conveniently stored, the guardrail can be conveniently moved through the storage structure in the guardrail storage process; meanwhile, a plurality of guardrails can be fixedly connected, and transportation of the guardrail is facilitated. Adjacent guardrails can be quickly connected and fixed through the splicing structures, a specific area can be conveniently enclosed through the guardrails, the connecting state between the guardrails can be fixed through the adjusting structures, deformation of the guardrails in the connecting process is avoided, meanwhile, the connecting angle between the guardrails can be adjusted at will. And the traffic condition of the construction road section can be indicated through the indicating structure.

The invention provides a laminated spiral type solid-liquid separator with vertical spiral shafts. The laminated spiral type solid-liquid separator comprises a filtering cavity, the spiral shafts, a driving device and a plurality of supporting plates; the filtering cavity, the spiral shafts and the driving device are supported and positioned through the plurality of supporting plates; the spiral shafts penetrate through the filtering cavity; the number of the spiral shafts is two or more, and the spiral shafts are vertically arranged in the filtering cavity from top to bottom; spiral blades of every two adjacent spiral shafts are embedded into each other; and the shape of each ring piece in a first closed ring piece set and a second closed ring piece set is matched with the appearance of the vertically-arranged spiral shafts. Due to the design that the spiral shafts are vertically arranged, the occupied area of the solid-liquid separator is small, a plurality of dehydrators can be designed side by side, the space utilization rate is greatly increased, the areas of water passing channels in the two sides of the filtering cavity are increased, filtered water is drained in time, and the working efficiency is improved.

The invention discloses a deep learning-based damage identification device for bridge construction and a use method, the deep learning-based damage identification device comprises a working box, a placement groove and a temperature controller assembly, the placement groove is formed in the working box, and the temperature controller assembly is mounted on one side of the working box; and one side of the top of the working box is in threaded connection with an electric control box, and a heating pipe is arranged in the temperature controller assembly. Through the arrangement of the temperature controller assembly, when a worker needs to regulate and control the temperature in the device, the heat dissipated in the temperature controller assembly can be regulated and controlled through the arrangement of the temperature controller assembly and the matching work of an adjusting knob and the screwing of the adjusting knob, and after the heating pipe and the air outlet groove are matched to work and current is connected, the heat dissipated in the temperature controller assembly can be adjusted and controlled. The heating pipe can emit heat according to the characteristics of the heating pipe, and the air outlet groove can transmit the heat generated when the heating pipe works into the working box, so that a worker can conveniently control the temperature in the working box, and a better working environment can be provided for a simulation test.

PROBLEM TO BE SOLVED: To provide a press machine which can make a ram move straight vertically even when the ram is inclined right or left, and can prevent an advance and retract component of a ball screw mechanism for making the ram move up and down from co-rotating with regard to a rotating component, while being a simple structure.SOLUTION: The press machine includes a ram 6 supported at the right and left both ends to the body frame 1 so as to be capable of moving up and down through an elevating guide mechanism 7A, and a right and left pair of ball screw mechanisms 11 which makes the right and left both ends of the ram 6 move up and down individually. The elevating guide mechanism 7A allows right and left inclination of the ram 6. A rotation prevention / inclination allowance connecting mechanism 19 is provided, which connects a screw shaft 12 and the ram 6 which are the advance and retract component of the ball screw mechanism 11, in the state that the relative rotation of the screw shaft 12 around the axis is prevented, and in the state that the right and left inclination of the ram 6 is allowed. Between the body frame 1 and the ram 6, a straight movement guide mechanism 48 which regulates the right and left movement of the ram 6 is provided.