40results about How to "Connection applies" patented technology

The invention discloses an assembly type concrete frame structure beam column rigidity connection node. The connection node comprises a frame beam, a frame column and a beam column rigidity connection node body; a first steel plate is arranged on the end portion of the frame beam, a second steel plate and a third steel plate are arranged on two sides of the frame column, and the second steel plate is connected with the third steel plate through rebars in a second pre-buried part; the beam column rigidity connection node body comprises an H-shaped steel, the first steel plate is connected with the second steel plate through the H-shaped steel, and the connection of the frame beam and the frame column is achieved. According to the assembly type concrete frame structure beam column rigidity connection node, through the external H-shaped steel, assembly type concrete frame structure beam columns are connected, the complexity of beam column connection is greatly simplified, the H-shaped steel is not located in concrete of a precast beam and is connected with anchor bars in the beam through an end plate; the H-shaped steel is directly connected with the cylinder-edge end plate in a stud welded mode, the connection node of a steel structure is directly applied to a precast concrete component, the construction process is simplified, the construction speed is improved, the beam column positioning is more precise, and the connection node provides convenience for the following structure construction.

A wooden-structure building beam-column joint structure is provided. In this structure, a wooden column and a wooden beam are connected through a steel connector; the steel connector is formed by perpendicularly welding two steel sheets special in shape; the steel connector can be divided into two parts according to usable functions, namely a cross steel sheet part and a linear steel sheet part; the wooden column and the steel connector are reinforced with engineering adhesive; the wooden beam and the steel connector are fixed with a steel rod. The wooden-structure building beam and column are connected with the steel connector and the engineering adhesive instead of a mortise and tenon structure, the connective strength, bending resistance and tensile capacity of a joint are substantially higher than those of the mortise and tenon structure, and the wooden-structure building beam-column joint structure is particularly suitable for large wooden connections; the wooden-structure building beam-column joint structure is simple in structure, and members of this structure are easy to mechanically produce; the joint is simple to mount, quick to construct and low in manufacturing cost.

The invention discloses an emergency lighting cable pay-off and take-up length measuring device which comprises a reel controller, a cable reel and a winding displacement device. The reel controller controls rotation of the cable reel, a pulse identifier for identifying the rotation turn numbers of the cable reel is arranged on the cable reel, a proximity switch for identifying the pulse identifier is arranged on one side or two sides of the cable reel, position switches are arranged at two ends of the winding displacement device, both the proximity switch and the position switches are connected with the reel controller, and the reel controller is connected with a display module. The emergency lighting cable pay-off and take-up length measuring device gives consideration to the influence on the pay-off and take-up length of different layer numbers during winding, so that the cable pay-off and take-up length measurement is accurate. The influence on the measurement of cable diameter change caused by cable connection is eliminated, and the device is suitable for multiple-section cable connection. By combining a simple position detecting device and a proposed computing method, the cable length can be accurately measured in real time. The position detection of the reel is achieved by utilizing reinforcing ribs or detection holes of the cable reel, and the costs of the device are reduced.

The invention relates to a high-reliability S-shaped quick metal connecting buckle which is used for connecting two assembling members together. The metal connecting buckle is an S-shaped elastic metal member which comprises an upper side plate, a middle plate and a lower side plate which are connected sequentially, an upper side clamping groove used for clamping the assembling member on the upper side is formed between the upper side plate and the middle plate, a lower side clamping groove used for clamping the assembling member on the lower side is formed between the lower side plate and the middle plate, the middle plate is a horizontal plate, a V-shaped protrusion facing the middle plate is arranged on the upper side plate, the V-shaped protrusion and the middle plate are used for applying pressure on the assembling member on the upper side, a barb facing the middle plate is arranged on the lower side plate, and the barb and the middle plate are used for applying pressure on the assembling member on the lower side. Compared with the prior art, the high-reliability S-shaped quick metal connecting buckle has the advantages of simple structure, low manufacturing cost and short development period, reliability and quality of assembling are guaranteed, cost is saved, and benefit is increased.

The invention discloses an antenna panel assembling structure, and belongs to the field of an antenna. The antenna panel assembling structure comprises a reflection panel and a radiation beam, and also comprises a ball stud, a locking nut, a connecting plate and a base positioned on the back surface of the reflection panel; a fixed hole is formed in the connecting plate; a connector with externalscrew threads is arranged on the base; a locking groove is formed in the connector region; a fastening contact surface is on the inner side of the locking nut; the locking nut is screwed on the connector of the base through a screw thread connecting mode; the fastening groove and the fastening contact surface jointly form a fastening cavity; the ball head part of the ball stud is positioned in thefastening cavity, and the screw rod part of the ball stub penetrates out of the locking nut to be inserted in the fixed hole of the connecting plate; the ball stub is sleeved with two nuts positionedabove and below the connecting plates respectively; and the two nuts are screwed tightly and relatively so as to enable the ball stud to be fixed with the connecting plate. The antenna panel assembling structure has the characteristics of compact and simple structure, convenience in operation, and accurate repeated positioning, and is suitable for quick dismounting of the antenna panel with relatively high re-assembling precision.

The invention relates to a concealed section beam-column connection structure which comprises a section column and a section beam. The section beam is perpendicularly connected with the section column. The concealed section beam-column connection structure is characterized in that an upper plug and a lower plug are preliminarily arranged in a T-shaped groove on one side of the section column, and a retractable connection locking mechanism is arranged in a cavity of the section beam and extends into the T-shaped groove on the side of the section column to be matched with the upper plug and the lower plug. The concealed section beam-column connection structure has the advantages that the concealed section beam-column connection structure is stable and reliable in connection and can be installed and detached conveniently and quickly, joints are high in rigidity, and horizontal swaying and displacement can be effectively prevented.

The present invention relates to an operating fluid container (1) composed of thermoplastic for a motor vehicle, comprising a reinforcing element (10; 11, 12), which is arranged between two container walls (2, 3) of the operating fluid container (1) and is at least indirectly joined to the container walls (2, 3). The operating fluid container (1) according to the invention is characterized by the fact that the container walls (2, 3) are joined to one another indirectly via the reinforcing element (10; 11, 12) by means of at least one joining element (20; 21 - 25). In this arrangement, the joining element (20; 21 - 25) comprises at least two material layers (21 - 25) joined to one another, wherein a joining force joining the two material layers (21, 22) to one another is less than a joining force between the joining elements (20; 21 - 25) and the container wall (2, 3) and / or between the joining element (20; 21 - 25) and the reinforcing element (10; 11, 12).

The invention relates to a plastic rivet. The plastic rivet consists of a screw and a sleeve; the screw comprises a cap and a rod; the rod is provided with at least two conical protrusions; two adjacent conical protrusions form an annular deboss; the front part of the rod is provided with a slit; a round hole in the center of the sleeve is provided with annular protrusions. The plastic rivet is simple in structure and easy to manufacture, and is particularly suitable for connecting a bucket body of a plastic bucket and a sling.

The invention relates to a C / C radiating fin and stainless steel connection method. A vacuum brazing connection method is adopted. High-thermal-conductivity Ag-based braze alloy is used as an intermediate layer. Compared with other dissimilar material connection methods, the C / C radiating fin and stainless steel connection method has the advantages of being high in efficiency, fast, low in cost and particularly rotary shaft connection of large irregular parts. The method comprises the specific technological steps that connection surfaces of a C / C radiating fin and stainless steel are ground and polished, and the C / C radiating fin and the stainless steel are placed in anhydrous ethanol for ultrasonic cleaning and then are dried; self-made AgCuTi braze alloy is prepared into slurry, and the connecting end faces of the C / C radiating fin and the stainless steel are coated with the slurry; the two connection fracture surfaces are overlapped, and a sample is clamped by using a designed fixture; and then the C / C radiating fin and the stainless steel are placed into a vacuum brazing furnace horizontally for connection. The connection method provided by the invention has the advantages of simple process, safety, reliability, low cost and high connection strength.

A port flange of a delivery pipe relates to a part for connecting the delivery pipe, particularly a flange for connecting the delivery pipe. The invention provides a port flange which can be conveniently dismounted, slowly changed in diameter, and suitable for connecting a threaded port tubular product with a port flanging tubular product. The port flange comprises a body, and a central through hole processed on the body, wherein the two ends of the body are provided with flanges, and bolt holes are arranged on the flange.

The invention discloses an intensive bus duct. The intensive bus duct comprises a bottom plate, wherein a first side plate is fixedly connected with one side of a top end of the bottom plate, a secondside plate is fixedly connected with the other side of the top end of the bottom plate, a cover plate is fixedly connected with a top end of the first side plate and a top end of the second side plate, a plurality of lower insulation clamping blocks are fixedly connected with a middle part of the top end of the bottom plate, a plurality of live-line parts are clamped and connected with top ends of the plurality of lower insulation clamping blocks, a plurality of clamping grooves are fixedly formed in the top of one side of the first side plate and the top of one side of the second side plate,a plurality of upper insulation clamping blocks are fixedly connected with a bottom end of the cover plate, first connection holes are formed in two ends of the plurality of live-line parts, and a connection piece is clamped and connected with the top of one end of each of the plurality of live-line parts. In the intensive bus duct, the bus duct is convenient to disassemble and install by arrangement of an integral structure, the cooling effect is improved, and connection between the intensive bus ducts is facilitated.

The invention relates to a reactive sintering Cf / SiC composite material and a synchronous reaction connection method. The method includes: coating precursor slurry of carbon between connection faces of at least two Cf / C porous precursor to-be-connected members, and curing to form a porous carbon based connection layer to obtain a pre-connector, wherein main ingredients of the precursor slurry of carbon include 25-55wt% of carbon source, 25-35wt% of solvent and 20-50wt% of silicon carbide powder, and the carbon source is an inorganic carbon source or / and an organic carbon source; performing liquid-phase siliconizing on the pre-connector at 1450-1650 DEG C to synchronously complete preparation and connection of the Cf / SiC composite material. The production process is simplified, deformationand cracking risks caused in the process of repeated high-temperature treatment are lowered, and preparing of the Cf / SiC composite material more complex in shape and large in size is better facilitated.

The invention discloses a vacuum brazing connection method for C / C radiating fins and Ti tubes. The method comprises the following specific process steps: grinding and polishing a Ti pipe to remove an oxide film, and performing vacuum drying for later use after ultrasonic cleaning; tiZrNiCu alloy powder and TiC powder with the mass percent being 3%-5% are mixed, then alcohol is added for ball milling for 15-18 h, the powder is dried and sieved after ball milling, then an oily binder with the mass percent being 8%-10% is added into sieved powder, the mixture is stirred into paste brazing filler metal, then the portion between the connecting surfaces of the C / C cooling fins and the Ti pipe is filled with the paste brazing filler metal, assembling is conducted, and the C / C cooling fins and the Ti pipe are assembled. And the assembly part is clamped by a graphite clamp and then placed in a vacuum furnace, the temperature is increased to 920 DEG C at the speed of 4-7 DEG C / min under the vacuum degree not lower than 1 * 10 <-3 > Pa, heat preservation is conducted for 10-20 min, and finally connection is completed after the furnace is cooled to the room temperature. The connecting method is simple in process, safe, free of pollution, low in cost and high in reliability, and the problems that in the welding process, due to large residual stress, a connecting piece cracks, and wettability between base metal is insufficient are effectively solved.

The invention relates to an underground wiring device of a 0.4 KV (kilovolt) power cable. The underground wiring device is characterized in that the wiring device comprises a shell with both ends provided with threaded sealing holes; the shell which is a top-bottom split structure connected by means of bolts is internally provided with a set of insulating plates arranged in parallel along the longitudinal direction; a cable connection channel is formed between the insulating plates and the shell and between the insulating plates; both ends of a disconnecting portion of a same core in the cablerespectively pass through the treaded sealing holes in both ends and then are connected through the same cable channel; both ends of the shell are rubber tubes whose inner holes are the threaded sealing holes; the threaded sealing holes are of a bell mouth shape gradually expanding outwards; the thickness of the insulating plates is not less than 2 mm. The underground wiring device of the 0.4 KVpower cable has the advantages that short-circuit faults are avoided by sealing a cable to be connected via the shell with the threaded sealing holes and isolating the core of the cable via the insulating plates; the underground wiring device provides good connection simplicity and good sealing effect, can effectively prevent erosion and damage of the cables in the soil, and can effectively reducecable connection failure rate.

The invention discloses a ring-inlaid reducing rubber hose. The ring-inlaid reducing rubber hose comprises a set of rubber pipeline and flanges arranged at the two ends of the rubber pipeline. The rubber pipeline comprises a liner layer, a reinforcing layer and an outer covering layer from inside to outside, wherein the reinforcing layer is wound around the liner layer, and the outer covering layer is attached to the outer side of the reinforcing layer. The liner layer is composed of sizing materials and a wearing ring inlaid in the sizing materials and made of alloy steel products. The rubber pipeline is a taper with the diameter gradually decreasing from one end to the other end. The numbers of flange threaded holes in the two ends of the hose, the center circle diameter of each threaded hole and the hole diameter of each threaded hole are different and are consistent with the pipeline flanges connected with the hose respectively, and the flange at one end is provided with a rotary flange disc. The ring-inlaid reducing rubber hose is suitable for enabling pipelines with different diameters to be connected.

The invention relates to the technical field of heat exchange equipment, and discloses a connecting structure of a pipe shell type heat exchanger pipe plate and a heat exchange pipe. The connecting structure comprises the pipe plate, wherein the pipe plate is provided with a heat exchange pipe hole; at least one sealing groove set is arranged on the inner wall of the heat exchange pipe hole; and the degree of the side edge included angle alpha of two adjacent sealing grooves in the sealing groove set ranges from 30 degrees to 60 degrees. The sealing groove set is arranged on the inner wall of the heat exchange pipe hole of the pipe plate, and the connecting manner between the pipe plate and the heat exchange pipe comprises expansion connection between the sealing groove set and the outer wall of the heat exchange pipe and face connection between the outer wall of the heat exchange pipe and the portion, without the sealing grooves, of the inner wall of the heat exchange pipe hole. The connecting manner of the heat exchange pipe and the pipe plate is changed into a linear sealing and face sealing combination manner from original face sealing; after the heat exchange pipe and the pipe plate are in expanded connection, defects like pores in welds cannot appear in the welding process of the heat exchange pipe and the pipe plate, and the sealing performance of the connecting position of the heat exchange pipe and the pipe plate is improved.

The invention discloses a reinforced aluminum alloy joint for connecting plates. The reinforced aluminum alloy joint for the connecting plates comprises an aluminum alloy joint plate, a plurality of I-shaped aluminum alloy rod pieces and the connecting plates. The aluminum alloy joint plate is connected with flange plates of the I-shaped aluminum alloy rod pieces, and web plates of the I-shaped aluminum alloy rod pieces are connected through the connecting plates. The connecting plates comprise first connecting plates and second connecting plates, through holes are formed in the first connecting plates, the first connecting plates are connected with web plates of a pair of I-shaped aluminum alloy rod pieces on the same axis, the second connecting plates pass through the through holes in the first connecting plates, and the second connecting plates are connected with web plates of a pair of I-shaped aluminum alloy rod pieces on other axes. According to the reinforced aluminum alloy joint for the connecting plates, the webs which are originally broken in the joint area of the aluminum alloy rod pieces are connected together through the connecting plates, so that discontinuous web plates are partially continuous, the continuity of the transmission of the bending moment and shear force of the rod pieces at the joint area is guaranteed, the influence of sudden changes of the bendingstiffness and shear stiffness at the joint area on the structure is avoided, and the application range of the aluminum alloy joint can be extended.