11results about How to "Solve installation problems" patented technology

This invention belongs to the field of stress-strain testing technology, specifically relating to a welded strain gauge for nuclear power plant testing. Both the strain gauge and the terminals are mounted on a metal base. The strain gauge consists of a main strain gauge and a compensating strain gauge. The strain gauge and the terminals are connected by wires. Measuring wires are also connected to the terminals. Measuring wire one has a male connector, and measuring wire two has a female connector. Measuring wire one and measuring wire two are connected via the male and female connectors. Measuring wire two is connected to a compensating bridge box. The compensating bridge box contains two precision resistors, forming a Wheatstone bridge with the main strain gauge and the compensating strain gauge on the metal base. This invention is used for stress-strain measurement on the surface of pressure vessels such as nuclear power pressure pipelines.

The utility model relates to the technical field of smart home equipment, more specifically to a compact intelligent curtain motor, including shell frame and Z shape bottom shell, shell frame is used for with curtain rail assembly, and Z shape bottom shell is located shell frame bottom and is formed with shell frame jointly closed cavity, the lower left corner of shell frame is equipped with square corner, is used for with curtain rail plug -in assembly cooperation realizes horizontal positioning, including shell frame and Z shape bottom shell, shell frame is used for with curtain rail assembly, and Z shape bottom shell is located shell frame bottom and is formed with shell frame jointly closed cavity, the lower left corner of shell frame is equipped with square corner, is used for with curtain rail plug -in assembly cooperation realizes horizontal positioning etc. The utility model passes through the three -dimensional nesting design of Z shape bottom shell and shell frame, and the motor, the speed reducer, the clutch and the power module are arranged vertically in layers in the very small space, solve the installation problem of traditional curtain motor in the narrow rail space, reach the effect of miniaturization, high reliability and easy deployment.

The utility model discloses a kind of isolation belt monomer and three-cavity independent medical belt using the monomer, isolation belt monomer includes first isolation sheet and second isolation sheet, the first isolation sheet and second isolation sheet are connected together by pivot;The bottom side of first isolation sheet is equipped with first mounting plate;The bottom side of second isolation sheet is equipped with second mounting plate;First mounting plate and second mounting plate are equipped with mounting hole on it. Three-cavity independent medical belt includes oxygen cavity, weak electric cavity and strong electric cavity, the oxygen cavity is isolated by first isolation belt between weak electric cavity, the weak electric cavity and strong electric cavity are isolated by multiple isolation belt monomer;The outside of oxygen cavity, weak electric cavity and strong electric cavity is equipped with buckle plate.The isolation belt monomer of the utility model can realize the angle adjustment of isolation sheet, can be with type just situation, to adapt to actual condition on site. By using multiple isolation belt monomers in series, the spatial layout demand of different function areas such as ward, infusion room can be met.

The utility model relates to a kind of hoisting point device and modular integrated building for modular integrated building, belong to construction engineering field.The hoisting point device for modular integrated building includes positioning cone and pre-buried anchorage device;The top of the box module of modular integrated building is embedded pre-buried anchorage device, the bottom of positioning cone is fixedly connected with the upper end of pre-buried anchorage device, positioning cone is used to position two box modules adjacent to each other, and positioning cone is opened with lifting hole, and lifting hole is used as the hoisting point of box module, which makes the hoisting and positioning of box module more convenient and stable.The beneficial effect is, the hoisting point device and modular integrated building of the utility model, by setting positioning cone and pre-buried anchorage device on the top of box module, not only provide hoisting point, but also ensure the positioning accuracy between box module, improve the construction efficiency and safety of modular integrated building.

The invention discloses a transmission structure and method of an oil injection pump and an electronic unit pump system, belongs to the technical field of engines, and solves the problems that a rotating shaft of an oil injection part is too large in torsional force and easy to damage. A transmission shaft sleeve used for being connected with an engine body is arranged at the end, close to a fuel injection pump cam shaft, of the fuel injection pump, a transmission shaft is rotationally arranged in the transmission shaft sleeve, an inner spline is arranged at one end of the transmission shaft, and a transmission outer spline sleeve is arranged on the inner spline. The transmission outer spline sleeve is sleeved on a fuel injection pump cam shaft of the fuel injection pump, a gear is arranged at the other end of the transmission shaft, a plurality of mounting grooves are arranged on the fuel injection pump on the outer side of the fuel injection pump cam shaft, and supporting bushes used for supporting the fuel injection pump cam shaft are arranged in the mounting grooves. According to the transmission structure and method of the fuel injection pump and the electronic unit pump system, the structure is compact, arrangement is convenient, camshaft faults are reduced, and the stability of the fuel injection pump is improved.

A water pipe connector that rotates in both horizontal and oblique directions includes a horizontally arranged connecting pipe and an obliquely arranged bend connector. One end of the bend connector is coaxially connected to the connecting pipe via a spherical rotary joint, and the bend connector rotates around the axis of the connecting pipe. The other end of the bend connector is inclined relative to the axis of the connecting pipe and has a rotatable nut. The spherical rotary joint includes a first hemispherical shell and a second hemispherical shell, and a rotary connector is provided between the first hemispherical shell and the second hemispherical shell. The rotary connector includes a radially movable joint assembly threaded to the connecting pipe and a retaining ring assembly that cooperates with the radial rotation of the bend connector. This invention achieves the rotational performance of being inclined relative to the axis of the rotary joint by rotating the bend connector around the axis of the rotary joint and using a rotary nut, thus achieving the technical purpose of bidirectional rotation in both horizontal and oblique directions and expanding the connection angle adaptability range of the water pipe connector.

The application discloses a trailer mounting method for a deep water test pool and relates to the technical field of deep sea engineering, which comprises the following steps: S1, basic frame manufacturing and installation: taking the center line of the on-site pool as the X-Y trailer installation reference, manufacturing and installing the basic frame; S2, X-Y trailer main body installation (including the wheel set); S3, drive device installation; S4, auxiliary trailer installation; S5, hydraulic brake system installation; S6, guide device installation; S7, cleaning device installation; S8, speed measuring device installation; S9, welding and fixing the buffer support according to the on-site actual measurement size, synchronously welding the front and rear buffer blocks of the X-Y trailer; installing the hydraulic buffer on the buffer support; S10, electric control cabinet positioning base and electric control circuit installation; and S11, power supply system installation: the slide wire is hung on the installation support through the insulator, and the carbon brush slider of the current collector on the main trailer is kept in close contact with the lower surface of the slide wire. The application effectively solves the installation problem caused by the space sealing of the laboratory through the step-by-step assembly scheme.

This utility model discloses a modular, configurable curtain-type MBR pulse aeration structure, including two end members and at least one aeration member disposed between the two end members. The two end members and the at least one aeration member are detachably connected by a tenon and mortise structure to form an aeration structure body. The aeration structure body has an inner cavity with a lower opening and a surrounding inner circumferential wall. The upper end of the surrounding inner circumferential wall is connected to the top wall of the inner cavity and is shorter than the circumferential wall of the inner cavity, dividing the inner cavity into an air inlet chamber and an aeration chamber. This utility model adopts a modular, configurable design. By combining different numbers of aeration members, the length of the aeration structure can be flexibly adjusted to adapt to curtain-type MBR membrane modules of various sizes, completely solving the installation difficulties caused by the fixed size of existing aerators.

The utility model discloses a cylindrical door connecting mechanism, including upper connecting axle and lower connecting axle, the bottom of upper connecting axle passes through screw installation and is limited to the spacing piece, and the spacing piece and the bottom of upper connecting axle are slidably sleeved with the adjusting block, and the surface of adjusting block is equipped with the mounting hole for connecting the upper part of the axle, and the bottom of upper connecting axle is equipped with the slot of through -going, and the slot is rotatably installed with the adjusting screw rod, and one end of adjusting screw rod is connected with the lateral surface of adjusting block, and the one side of upper connecting axle and lower connecting axle integrally extends the Z -shaped connecting end for connecting the door leaf, and the utility model relates to door fittings technical field. The cylindrical door connecting mechanism is through the adjusting block design of fine adjustment, and the installation deviation of the axle of heaven and earth is effectively compensated, makes the door leaf rotation smooth, and more through the unique Z -shaped connecting end, and the door leaf section bar forms the surface contact and multiple fixed, greatly strengthens the rigidity and stability of connection, fundamentally solves the problem of the insufficient strength of traditional connection mode, and the problem of easy loosening.

The utility model relates to a kind of round screen self-locking structure, including round screen whole and equipment shell;Round screen whole is composed of COF structure round screen, plastic shell and debugging board.Liquid crystal is wrapped COF structure round screen by plastic shell side wrapping screen, and the recess for sticking firm COF structure round screen is provided in the wire arrangement position and is hollowed out;There is movable arch-like buckle outside, and the side of buckle close to screen has ridge, and the other side is smooth;Far from screen side is equipped with the structure of locking debugging board;Equipment shell hollow size is slightly larger than the actual size of plastic shell (except buckle position);When assembling, positioning is carried out through buckle, buckle is embedded in equipment shell, and equipment shell is clamped on ridge to realize self-locking;The structure solves the problem that COF structure round screen installation has no positioning reference and is easy to install deviation, and debugging board is difficult to install when in the limit of equipment internal space, with the advantages of accurate assembly, strong space adaptability etc.

The invention belongs to the technical field of helicopter fault diagnosis, and relates to an intelligent diagnosis method and system for potential faults of a helicopter rotor based on sound signals. The method comprises the steps that typical fault features are implanted into feature parameters, and rotor models in various fault states are generated; flow field parameters are solved, and the dynamic pressure load on the surface of the rotor wing blade is obtained; a sequence signal of sound pressure changing along with time is collected through the virtual acoustic sensor array; extracting fault features; constructing a fault classification and discrimination model based on machine learning; and outputting the fault state and the fault type of the rotor wing. According to the method, the influence of the rotor wing fault on the sound radiation characteristic can be comprehensively reflected, and the problem that a helicopter rotor wing fault sample is difficult to obtain is effectively solved through high-fidelity geometric modeling, fault implantation and a CFD and CSD coupling strategy; the multi-dimensional fault features are extracted, the fault diagnosis model is constructed in combination with the machine learning algorithm, the fault diagnosis accuracy is high, and automatic recognition and type positioning of faults can be achieved.