54results about How to "Limit relative displacement" patented technology

A turbomachine rotor assembly comprising: a rotor disk (2) presenting slots (4) in its outer periphery; blades (14) fastened via their roots (16) in said slot (4); and shims (20) mounted between the blade roots (16) and the disk (2), each shim (20) comprising two branches (20A) and a base part (20B) interconnecting the branches, each branch (20A) being disposed between the bearing surface (16A) of a blade root (16) and the corresponding bearing surface (22A) of the disk (2); each branch (20A) being made of a first material presenting a first Young's modulus of value E, at any operating temperature in the operating temperature range of the shim (20). The rotor assembly includes pads (40) adhering to the bearing surfaces (22A) of the disk and / or to the bearing surfaces (16A) of the blade root, the pads (40) being made of a second material presenting a second Young's modulus of value lying in the range E / 20 to E / 5 at said operating temperature.

The invention relates to a bearing and conveying system which comprises a first platform and a second platform butted with or separated from the first platform, wherein the first platform and the second platform realize the conveying of bearing objects between a first bearing surface and a second bearing surface through the butting of a first butting end and a second butting end. The first platform comprises a first fork plate arranged at the first butting end. The second platform comprises a second baffle and a limit part arranged at the second butting end, the second baffle is rotatably connected with the second platform, and the second baffle is vertical to the direction of the second bearing surface in case of no external force. When the first butting end is butted with the second butting end, the second baffle of the second platform is pushed over by the first fork plate of the first platform, and the first fork plate is matched with the limit part of the second platform to limit the relative displacement between the first platform and the second platform.

The invention discloses a repairing and reinforcing device for cracks in road bridges used in construction engineering, and relates to the technical field of crack repairing in roads and bridges; in order to solve the problem of poor repairing effect of large cracks; it specifically includes a main body, a waterproof mechanism, a primary fixing mechanism and a secondary fixing mechanism. Fixing mechanism, the outer wall of one side of the main body is welded with a first connecting plate, and the outer wall of the other side of the main body is welded with a third connecting plate; the outer wall of the top of the first connecting plate is provided with a first connecting hole; the third connecting plate The top outer wall is welded with a third connection hole. In the present invention, by arranging the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate, when multiple repairing reinforcement devices are used, they can be tightly and firmly connected, thereby enhancing the fixing effect on large-sized cracks; through The arrangement of the washer and the washer groove can further limit the relative displacement between the various repairing reinforcement devices, thereby enhancing the firmness of the connection between the various repairing reinforcement devices.

The invention relates to the field of prefabricated buildings, and specifically discloses a prefabricated concrete building connection structure, including a building body. The upper end of the building body is provided with a circle of step-shaped step grooves along the circumference, and the four corners of the step grooves are provided with The installation groove, the bottom of the installation groove is detachably provided with a hydraulic moving device for moving the adjacent building body, and the bottom of the building body is provided with an annular inner edge protrusion matched with the step groove. The purpose of the invention is to solve the technical problem that the connection of concrete buildings is not firm.

The invention provides a filling mould module and a construction method of the filling mould module. The filling mould module comprises a panel (1), a side plate (2) and an abutting plate (3), wherein convex ribs (5) with 45-degree outer inclined surfaces are arranged on two free sides of the panel (1); the abutting plate (3) and the side plate (2) are vertical to the panel (1), and the included angle formed by the abutting plate (3) and the side plate (3) is 45 degrees; and two modules are abutted face to face to form a maintenance seam (4). In a construction process of floors, single box body or four box bodies as a group are firmly arranged in a horizontal dual-direction clearance manner or one-way clearance one-way tight manner; and the clearance is paved with reinforcement, and then cast with concrete. In the construction process of the wall body, two modules are rotated by 90 degrees face to face to be buckled together to be a box-shaped building block; and the box-shaped building block is built by staggering one half of the width on each layer. The filling mould module and the construction method of the filling mould module have the advantages of being high in the industrialization production degree and simple in filed construction process, thereby the defects of long working period, complicated process and the like in the prior art are made up.

The invention relates to a contact base for connecting two contacts. The contact base includes a contact base body, at least one pair of contact fingers, and a pair of guide rings. The contact base body has a channel for inserting two contacts from the two ends, and an axial limiting hole. The contact fingers and the guide rings are positioned in the channel, and are arranged at the two ends of the channel from inside to outside. The contact base of the invention connects contacts through a simple structure. The contact base has the advantages of low cost and convenient operation. The relative displacement between the contacts and the contact base can be limited, and the contacts and the contact base can be prevented from failure in electrical contact. The invention further relates to a contact system for high-voltage switches which adopts the contact base.

The invention discloses a method for making a bamboo fiber no-ironing shirt. The method comprises the steps that first bamboo fiber fabric is placed into souring and bleaching liquid and is soured and bleached for 30-60min, wherein souring and bleaching temperature is 90-100 DEG C, a liquor ratio is 1: 30-35, the souring and bleaching liquid contains 30% of hydrogen peroxide with concentration being 6-10g / L, sodium silicate with the concentration being 5-10g / L, penetrating agents with the concentration being 5-8g / L, scouring agents with the concentration being 3-5g / L and oxygen bleaching stabilizer with the concentration being 5-8g / L; the bamboo fiber fabric is cleaned and dried after the scouring and bleaching, then the processed bamboo fiber fabric is tailored and sewed and a ready-made garment is obtained; then a no-ironing treatment is carried out on the manufactured garment, wherein according to the no-ironing treatment, bidirectional stereoscopic type atomization resin absorption, pre-drying, medium or high temperature micro-pressure stereoscopic shaping and finishing, washing, drying, cooling and re-shaping are conducted on the garment. The method for making the bamboo fiber no-ironing shirt can effectively improve the crease-resistant property of bamboo fiber and have a better shrink-proof and no-ironing effect, a manufactured shirt has the advantages of being not deformed easily, and not easy to shrink and the shirt is not easily deformed, not easy to shrink and yellowing, stable in size, soft in handle, uniform in color and lustre, and cool and comfortable to wear.