20 results about "Space cloth" patented technology

The utility model belongs to the technical field of test boxes, and particularly relates to a high-low temperature test box with uniform heating. Comprising test cavities which are arranged in a test box at intervals left and right; a placement net plate is embedded in the bottom of the test cavity; the fans are arranged below the placing net plate in a bilateral symmetry manner; the air inlet end of the fan is communicated with the test cavity through the placing screen plate, and the air outlet end of the fan is communicated with the air duct cavity; the air duct cavities are distributed on the left side wall and the right side wall of the test cavity in a bilateral symmetry manner; a spoiler is vertically and obliquely arranged in the air duct cavity, and an air distribution plate is arranged at the air return end of the air duct cavity. According to the utility model, through the arrangement of the spoiler and the air distribution plate in the air duct cavity, high and low temperature airflow with uniform airflow distribution can be provided for the interior of the test cavity, so that the temperature rise rates of different areas are consistent, and the uniform heating effect during product testing is further improved.

Conductor frame (10) for electrically contacting stator windings (114) of a three-phase stator (110) comprising: an annular base body (12) with a top (12a) and a bottom (12b); three connection contacts (40) for electrically contacting a respective stator phase (P1, P2, P3) to an inverter (240) on the inverter side, wherein the connection contacts (40) are arranged on the top (12a); several axially insulated conductor planes (20) arranged in the annular base body (12), wherein the conductor planes (20) extend several times in the circumferential direction.(6) have spaced-apart conductor sections (22); several electrically conductive contact elements (30) extending axially through the annular base body (12), which are arranged radially spaced from the conductor sections (22), wherein the contact elements (30) are arranged distributed in the circumferential direction (6); wherein the conductor planes (20) further have conductor tongues (24) projecting radially from the conductor sections (22), which electrically connect the conductor sections (22) to the contact elements (30), wherein the conductor tongues (24) are arranged such that the conductor planes (20) and the contact elements (30) provide an electrical connection of the stator phases (P1, P2, P3) between the contact elements.(30) and the connection contacts (40), wherein at least some of the several contact elements (30) are designed for electrical contact with the stator windings (114), wherein the conductor frame (10) further comprises a connection device (50) which is electrically connected to the connection contacts (40) for electrical contacting a respective stator phase (P1, P2, P3) to the inverter (240), wherein the connection device (50) comprises a housing, three main lead pins and three cables for electrical connection between the main lead pins and the connection contacts (40), wherein the main lead pins are fixed in the housing and project from the housing in an axial direction (2), and wherein the connection device (50) is floatingly attached to the annular base body (12).

The utility model belongs to the technical field of wires and cables, and provides an anti-strand-jumping cable, which comprises at least three core wires, a belting layer and an outer sheath, the core wires at least comprise two specifications, each core wire comprises an insulating layer arranged on the outermost side, zigzag bulges are formed on the outer wall of each insulating layer, the zigzag bulges are arranged at intervals along the axial direction of the core wires, and the outer sheath is arranged on the outer wall of each core wire. The core wire is at least meshed with the zigzag bulge of the other core wire; the belting layer is arranged outside the core wire, and the space between the core wire and the belting layer is filled with filler; and the outer sheath is arranged outside the belting layer. According to the utility model, the core wire is positioned in the outer sheath; secondly, installation and arrangement can be completely carried out according to conventional operation specifications in the process of integrated cabling, so that the difficulty of integrated cabling is reduced, the original arrangement mode can be kept even if the cable is longitudinally extruded or bent, and the strand jumping phenomenon is avoided; the three insulating layers are made of polyvinyl chloride and polyamide nylon materials, the weight of the cable is reduced, and the cable is light in weight.

The application provides a three-dimensional interdigital electrode and a preparation method thereof. The preparation method comprises the following steps: firstly, depositing metal layers and sacrificial layers alternately on a surface of a substrate, and the number of the metal layers is at least 2; then, forming three-dimensional alloy microcolumn arrays penetrating along the thickness direction of the multilayer structure by heating; starting from the side of the multilayer structure away from the substrate along the thickness direction, subtractively processing the multilayer structure, so that a two-dimensional interdigital structure is arranged on the multilayer structure; finally, oxidizing and dissolving the components of the sacrificial layers in the alloy microcolumns and the sacrificial layers, so that a three-dimensional porous microcolumn array can be obtained, and a three-dimensional porous microcolumn array electrode is formed; at least two metal layers connected by the three-dimensional porous microcolumn array and arranged at intervals along the thickness direction can be obtained, each metal layer is provided with a two-dimensional interdigital structure, and the three-dimensional porous microcolumn array at least penetrates the two-dimensional interdigital structure in the metal layer. The production process is simplified, the production cost is reduced, and the detection performance is improved.

This invention discloses a bending fatigue enhancement structure for flat cables, relating to the field of flat cable technology. It includes a wear-resistant outer sheath, a flexible skeleton, an elastic inner liner, and a composite conductor bundle. The wear-resistant outer sheath covers the flexible skeleton, with bending stress cores at the outer ends. The flexible skeleton is internally covered by an elastic inner liner, which contains two spaced-apart composite conductor bundles. The flexible skeleton has grooves filled with an anti-oxidation coating layer, within which the bending stress cores are fixed. The interior features stress-dispersing adhesive grooves intersecting with the grooves, and high-toughness reinforcing ribs with abrasion-resistant protective sleeves are installed at the four corners. The elastic inner liner has a water-blocking tape wrapping layer on its outer side and a flame-retardant isolation layer inside. The composite conductor bundles are wrapped with cable core fixing rings and an electromagnetic shielding layer. This structure, through multiple stress dispersion, protection, and positioning designs, significantly improves the cable's bending fatigue resistance, ensuring stable transmission and safe operation, and is suitable for high-frequency bending scenarios.

This application belongs to the technical field of winding devices and discloses a tension control structure for a polyester filament winding device, including a base plate, a mounting frame, a winding roller, a drive motor, a fixed frame, a guide roller, a lifting frame, a tension roller, and a threaded rod. A rotating shaft, with its lower end connected to the upper end of the threaded rod, is vertically rotatably mounted on the fixed frame. A lower ring is fixedly sleeved on the rotating shaft. A connecting frame is provided at the top of the fixed frame, and a mounting tube arranged concentrically with the rotating shaft is provided on the connecting frame. An upper ring is vertically slidably mounted on the mounting tube. Two circumferentially spaced grooves are formed on the bottom surface of the upper ring, and a protrusion that mates with the grooves is provided on the top surface of the lower ring. Rotating the rotating shaft causes the lower ring to rotate, causing the protrusion to disengage from the groove and push the upper ring upwards. When the protrusion aligns with the next groove in the rotation direction, the upper ring falls back to its original position, and the protrusion and groove re-engage. Each up-and-down reciprocating motion of the upper ring corresponds to a half-turn rotation of the rotating shaft and the threaded rod.

The invention discloses a 35kV-330kV power transmission line composite insulation cross arm and an installation device, the 35kV-330kV power transmission line composite insulation cross arm comprises an insulator, a fixing member and a connecting member, the fixing member and the connecting member are respectively arranged at two ends of the insulator, the circumferential outer wall of the insulator is sleeved with a plurality of umbrella skirts, the plurality of umbrella skirts are arranged at intervals along the length direction of the insulator, and a maintenance part is arranged between two adjacent umbrella skirts. According to the utility model, through the arrangement of the maintenance part, when the insulator is maintained, the insulator is maintained after the insulator is disassembled through the position of the maintenance part, and only the maintenance part is repaired after maintenance, so that maintenance from the umbrella skirt position is avoided, and the structure and the function of the umbrella skirt can be ensured after maintenance; and the condition that maintenance can be carried out only after the cross arm and the umbrella skirts are detached is also reduced.

The utility model relates to the field of FFC flat cables, in particular to an energy storage CCS flat cable, which comprises a wire harness body, the wire harness body comprises a plurality of conductors arranged side by side, a first insulating layer and a second insulating layer, and the conductors are arranged between the first insulating layer and the second insulating layer; at one end of the wire harness body, the length of the first insulating layer is shorter than that of the second insulating layer, the end parts of the conductors are exposed, the conductors comprise a plurality of first conductors and a plurality of second conductors, the first conductors and the second conductors are arranged at intervals, and the exposed length of the first conductors is shorter than that of the second conductors. Through the length setting of the first insulating layer and the second insulating layer, the conductor is ensured to be exposed so as to facilitate subsequent butt joint. Through setting of the exposed lengths of the first conductor and the second conductor, flying volt is prevented from being formed in the plugging process, interference is avoided, and signal transmission is not influenced.

The present application relates to overhead cable technical field, propose a kind of 10kV cold-resistant tensile type crosslinked polyethylene insulation overhead cable, including conductor, conductor outside is sequentially covered with inner shield layer, crosslinked polyethylene insulation layer and outer shield layer, conductor is composed of several single wires twisted in the outer periphery of metal reinforcing core, it further include sheath layer, force positioning ring and snow removal assembly, outer shield layer outside is provided with sheath layer, sheath layer outside is arranged with several force positioning rings, snow removal assembly is arranged between every two adjacent force positioning rings, when there is snow on sheath layer, automatically trigger snow removal assembly in windy environment, remove the snow on sheath layer, by the above technical scheme, solve the problem that when overhead cable is in cold harsh environment operation, due to the influence of snow and ice, it bears a lot of tension and increases the risk of frost heaving cracking in prior art.

The application provides a high-voltage cable for detecting space charge, a detection method and a manufacturing method. The outer sheath is provided with two second circumferential seams and three second axial seams; the two side edges of the fixed sheath part are hinged to the connecting side edges of two detachable outer sheath blocks, and a switching mechanism is arranged between the opening and closing side edges of the two detachable outer sheath blocks; and the buffer sleeve is provided with two spaced first circumferential seams and a first axial seam. The outer sheath is divided into a fixed sheath part and two detachable outer sheath blocks, so as to form an openable and closable detection window; the fixed sheath part is integrally connected with the outer sheath, and the two detachable outer sheath blocks are hinged to the fixed sheath part, so that the detection window can be quickly opened and closed, and the switching mechanism is locked to cooperate with the first circumferential seam and the first axial seam of the buffer sleeve, so that the buffer sleeve can be opened synchronously with the detection window.

The invention relates to a device and a method for metering bulk material (12), comprising a housing (2) which extends along an axis (3) and which comprises a base plate (4), a cover plate (5) which is arranged at an axial distance from the base plate, and a peripheral wall (6) which connects the base plate (4) and the cover plate (5) and which encloses a working space (7). A honeycomb wheel (28) which rotates about the axis (3) is arranged in the working space (7) and has a plurality of cells (33) which are arranged concentrically about the axis (3) on a number n of annular tracks (32.1, 32.2, 32.3, 32.4), the cells (33) of a first annular track (32.4) being arranged circumferentially offset v from the cells (33) of the other annular track (32.2). The upper side of the units (33) facing the cover plate (5) and the lower side of the units (33) facing the base plate (4) are designed to be open and form, with the cover plate (5) and the base plate (4), a chamber that rotates about the axis (3). The housing (2) has a feed opening (8), via which the material (12) can be fed to the cells (33) of the honeycomb wheel (28), and a discharge opening (9), via which the cells (33) of the honeycomb wheel (28) can be emptied. The filled cells (33) enter the area of the discharge opening (9) during the rotation of the honeycomb wheel (28), wherein each cell (33), together with its cell wall and the discharge opening (9), forms a partial cross-section Ateil which is generated during the entry and which is dependent on the angle of rotation. In order to ensure that the material flow is as continuous as possible during the metering process, it is proposed according to the invention that the circumferential offset v is formed between a first unit (33) of the first circular track (32.4), which first unit is preceding in the direction of rotation (38), and a further unit (33) of a further circular track (32.2), which further unit is immediately following in the direction of rotation, the other unit (33) is arranged in the area of the discharge opening (9) such that, as the other unit (33) begins to enter the area of the discharge opening (9), the partial cross-section Ateil of the first unit (33) corresponds to x1 / n of the entire cross-section Avoll of the first unit (33), where x is in the range of between 0.6 and 1.4.

The invention provides a grating dam structure and a construction method thereof.The grating dam structure comprises a plurality of herringbone frameworks, the lower portions of the herringbone frameworks are fixedly arranged in channel bed rock, the herringbone frameworks are arranged in the transverse direction of a channel at intervals, and the herringbone frameworks are formed by splicing rail profile steel and comprise upstream stand columns and downstream supporting columns; the tops of the upstream stand columns are connected with transverse connecting main beams, the adjacent downstream supporting columns are connected through transverse connecting secondary beams, longitudinal force transmission beams are connected between the upstream stand columns and the downstream supporting columns, transverse supports are connected between the upstream stand columns, and transverse connecting secondary beams are connected between the transverse supports. The transverse support is arranged on the upstream face which the upstream stand columns face jointly, and a flexible blocking protective net is further arranged on the upstream face of the transverse support. Large-area foundation excavation and concrete construction are omitted, construction is convenient, the construction period is shortened, and meanwhile the good blocking function is achieved.

The utility model belongs to the field of space cloth pressing, and particularly relates to a space cloth processing and pressing device which comprises a working table, and a side plate is fixedly connected to the top of the working table. The side wall of the side plate is fixedly connected with a first motor; the output end of the first motor is fixedly connected with a containing groove. A second air cylinder is fixedly connected to the bottom of the placing groove; the output end of the second air cylinder is fixedly connected with a push plate. The top of the workbench is fixedly connected with a supporting column. A lantern ring is arranged outside the supporting column in a sleeving manner; the end part of the lantern ring is fixedly connected with a supporting plate; the top of the supporting plate is fixedly connected with a first air cylinder. The output end of the first air cylinder is fixedly connected with a pressing plate. The problem that the space cloth is adsorbed on the push plate and is inconvenient to take out after being compressed can be reduced by additionally arranging the second air cylinder, meanwhile, the space cloth can be downwards taken out after being pressed by additionally arranging the first motor so as to prepare for next processing work, and the working speed is effectively increased.

The utility model relates to a cutting device for aerospace cloth processing. According to the cutting-off device for aerospace fabric processing, by arranging the cutting-off assembly, a good cutting-off effect on aerospace fabric can be effectively achieved in the using process of the cutting-off device, so that the different using requirements of the cutting-off device for aerospace fabric processing can be met, and the applicability of the cutting-off device in the using process is improved; by arranging a first supporting roller and a guide wheel, the stability of the aviation cloth in the conveying process is guaranteed, the accuracy of the cutting-off assembly in the aviation cloth cutting-off process is improved, and the situation that the cutting-off effect is poor due to wrinkles is avoided; and by arranging the transmission shaft and the cut-off knife, the aviation cloth can be effectively and rapidly cut off in the using process, the working efficiency can be effectively improved through the mode, and more aviation cloth can be cut off within the same working hour.

The utility model provides a kind of energy storage busbar cabinet, wherein, multiple branch circuit breakers are arranged in the middle of upper cloth space. A busbar circuit breaker is further arranged in the lower cloth space. The output end of each branch circuit breaker is connected with the busbar circuit breaker, i.e. the branch circuit breaker can control the output of multiple branch circuit breakers after busbar connection, so that the power output of the energy storage busbar cabinet is controlled by the breaking condition of the busbar circuit breaker itself. The multi-input cable of the cabinet body enters the cabinet body from the first side bottom, and the output busbar extends out of the cabinet body from the bottom of the second side of the cabinet body, so that the power-in end and the power-out end of the cabinet body are both at a low position. On the one hand, it can effectively prevent the operating personnel from accidentally touching the live cable, and on the other hand, it facilitates the burial of the multi-input cable and the cable connected with the output busbar, further reducing the risk of electric shock.

A module 1 comprises: a substrate 10 having a first main surface 10a and a second main surface 10b facing each other in a thickness direction; a heat-generating element 20 disposed on the first main surface 10a of the substrate 10 and having a plurality of GND electrodes 21 on the first main surface 10a side; a plurality of heat-dissipation members 30 disposed on the second main surface 10b of the substrate 10; a connection conductor 40 penetrating the substrate 10 in the thickness direction and connecting the GND electrodes 21 of the heat-generating element 20 and the heat-dissipation members 30; and signal terminals 50 disposed on the second main surface 10b of the substrate 10 and connected to a signal line inside the substrate 10, the module being characterized in that the shape of the signal terminals 50 as viewed from the thickness direction is a substantially circular shape in which the dimension in the longitudinal direction and the dimension in the lateral direction are equal to each other, the plurality of signal terminals 50 are arranged at substantially equal intervals in the longitudinal direction and the lateral direction, respectively, a plurality of the heat-dissipation members 30 are connected to one of the GND electrodes 21, the number of GND electrodes 21 to which one heat-dissipation member 30 is connected is one, the number of heat-dissipation members 30 connected to each one of the GND electrode 21 is substantially the same, and the shape of the heat-dissipation members 30 when viewed from the thickness direction is substantially the same as the shape of the signal terminals 50.

The invention relates to the technical field of aerial cables, and provides a 10kV cold-resistant tensile cross-linked polyethylene insulated aerial cable which comprises a conductor, an inner shielding layer, a cross-linked polyethylene insulating layer and an outer shielding layer are sequentially arranged outside the conductor in a wrapping mode, and the conductor is composed of a plurality of single wires twisted on the periphery of a metal reinforcing core. The cable further comprises a sheath layer, force-bearing positioning rings and accumulated snow removing assemblies, the sheath layer is arranged outside the outer shielding layer, the force-bearing positioning rings are arranged outside the sheath layer at intervals, the accumulated snow removing assemblies are arranged between every two adjacent force-bearing positioning rings, and when accumulated snow exists on the sheath layer, the accumulated snow removing assemblies are automatically triggered in a windy environment, so that the accumulated snow removing assemblies are automatically removed. According to the technical scheme, the problems that in the prior art, when the overhead cable operates in a cold and severe environment, due to the influence of accumulated snow and ice coating, the overhead cable bears a large amount of tension, and the risk of frost heaving and cracking is increased are solved.

The utility model discloses a multilayer transmission structure, which relates to the technical field of multilayer laminators and comprises a frame and a multilayer transmission unit arranged on the frame, and the transmission unit comprises a heating plate subassembly, a driving roller component, a driven tension roller component and high-temperature cloth; transmission guide rails are installed on the two sides of the heating plate subassembly. The driving roller assembly and the driven tensioning roller assembly are installed at the front end and the rear end of the heating plate subassembly respectively and are in transmission connection through a chain arranged in the conveying guide rail. The two pieces of high-temperature cloth are arranged on the outer sides of the driving roller assembly, the driven tensioning roller assembly and the heating plate subassembly in an end-to-end spaced mode, the end-to-end gap of the two pieces of high-temperature cloth is connected through a high-temperature cloth connecting assembly, and the high-temperature cloth connecting assembly is provided with a rubber spring used for achieving telescopic movement of the two pieces of high-temperature cloth. According to the utility model, the equipment realizes efficient lamination processing in a limited space, the space utilization rate of the equipment is improved, and the occupied area is reduced.

The utility model discloses a supporting cushion used as bedding, which is constructed to be suitable for a user to lie and comprises a head and neck supporting part, a first air chamber is formed in the head and neck supporting part, and a plurality of pieces of first pull cloth are arranged in the first air chamber; and a back support portion having a space cloth and a flexible pad disposed above the space cloth to increase comfort. A second air chamber is formed in the space cloth and comprises an upper substrate, a lower substrate and a drawing wire, and the upper end and the lower end of the drawing wire are connected with the upper substrate and the lower substrate respectively so that the distance between the upper substrate and the lower substrate can be kept in the inflation process. Different supporting structures are adopted for different parts such as the head, the neck and the back, the supporting pad can comprehensively adapt to the body curve of a user, the number of times of turning over is reduced, the space cloth of the back supporting part is connected with the upper base cloth and the lower base cloth through the drawing wire, and the structural stability in the inflation process is further ensured.

The utility model relates to the technical field of water bath pots, in particular to an anti-dry-boiling water bath pot which comprises a pot body, a power source, a floating assembly, a buzzer and a rotating piece, the pot body is provided with a buoy cavity, a lifting channel and an inclined channel, the buoy cavity and the inclined channel are both communicated with the lifting channel, the buoy cavity is communicated with a water storage cavity, and the water storage cavity is communicated with the power source. The floating assembly comprises a floating part, a heightening rod and a ball, the floating part can ascend and descend, the heightening rod extends into the lifting channel, the ball is arranged on the heightening rod, the buzzer is installed on the pot body, the rotating part is made of insulating materials and rotationally installed on the pot body, one side of the rotating part is provided with an extending end extending into the inclined channel, and a conducting strip is embedded in the extending end. The pot body is further provided with two electrifying piece sets, the two electrifying piece sets are both located at the end, away from the lifting channel, of the rotating piece, each electrifying piece set comprises two contact pieces arranged at intervals, when the water level reaches the warning line position, the ball enables the conducting pieces to be connected with the contact pieces, and the advantage that warning can be given out in time when the water level reaches the warning water level is achieved.