14results about How to "Reduce installation difficulties" patented technology

The utility model relates to the technical field of building decoration, in particular to a one-way sliding support four-connecting-rod hinge which comprises a mounting seat, a hinge body and a hinge body. The hinge arm is used for connecting a window sash; the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod and is used for connecting the mounting seat and the hinge arm to cooperatively work to transmit motion; a protruding block is installed on the outer wall of the shaft rod, and a locking groove is formed in the shaft rod and used for connecting the connecting assembly, the hinge arm and all nodes of the installation base; the locking assembly comprises a locking block, and a spring is installed at one end of the locking block and used for locking the shaft rod and the nodes. Compared with the prior art, the device has the advantages that due to the adoption of the modular design, all the components (such as the mounting base, the hinge arm and the connecting rod assembly) can be independently disassembled, assembled and replaced, the repair and maintenance process is greatly simplified, the whole set of replacement cost caused by damage of individual components is reduced, meanwhile, the repair time is shortened, and the user satisfaction degree is improved.

A disclosed pressure vessel of a horizontal reactor comprises a top cover end socket assembly, a cylinder end socket assembly, a main bolt assembly and a vessel fixing and supporting assembly, the top cover end socket assembly comprises a top cover end socket, and the cylinder end socket assembly comprises a cylinder and a cylinder end socket which are connected with each other; the top cover seal head assembly and the cylinder seal head assembly are connected into a whole through the main bolt assembly to form a hollow cavity structure with the axial direction along the horizontal direction, the hollow cavity structure is used for accommodating a reactor core structure, and the container fixing and supporting assembly is located below the cylinder seal head assembly and is used for fixing the reactor core structure. And the hollow cavity structure is supported on a foundation in the horizontal reactor through the container fixing and supporting assembly. The pressure vessel provided by the invention can meet the use requirements of a horizontal reactor, and is relatively good in sealing performance and relatively high in safety.

The invention relates to the technical field of speed reducer fault diagnosis, in particular to a precise speed reducer intelligent fault diagnosis method based on multi-dimensional encoder signals. The method comprises the steps of collecting an encoder signal of an input end of a reducer, and extracting an input angle position of the input end; collecting an encoder signal at the output end of the speed reducer, and extracting an output angle position of the output end; obtaining the transmission ratio of the reducer, and calculating a transmission error according to the input angular position, the output angular position and the transmission ratio; calculating an output instantaneous angular velocity and an output instantaneous angular acceleration corresponding to the output angular position; performing data preprocessing on the transmission error, the output instantaneous angular velocity and the output instantaneous angular acceleration to obtain multi-dimensional fusion data; and inputting the multi-dimensional fusion data into a pre-trained fault diagnosis model to obtain the running state of the speed reducer. Reducer fault feature recognition is carried out based on the fused multidimensional encoder time domain signals, the problem that the signal type for fault diagnosis is single is solved, and the fault diagnosis precision is improved.

The utility model discloses a kind of safety devices of windproof pull rod with pull solid, including first pull rod, the both sides of the bottom of the outer surface of first pull rod are uniformly connected with first connecting piece by first bolt fixed connection, the top of first connecting piece inner side is rotatably connected with second connecting piece by second bolt.The safety device of windproof pull rod with pull solid, by the setting of first pull rod, second pull rod and third pull rod, first pull rod is connected with second pull rod by first connecting piece and second connecting piece, third pull rod is connected with first pull rod and second pull rod by third connecting piece and connecting ring, when three, can form stable triangle structure, to enhance the wind resistance of scaffold, second pull rod is arranged in parallel after rotating with first pull rod, third pull rod is housed to the middle of two, collapsible operation, can significantly reduce the space occupation of device in non-use state, avoid the mess caused by pull rod too long, reduce transportation volume, reduce transportation cost.

The application relates to a bearing damage positioning method based on Lamb wave dispersion mode matching of acoustic emission signals, wherein different frequency band components of original acoustic emission signals with the same frequency interval are obtained; a time of arrival curve is obtained; a theoretical dispersion curve of Lamb wave propagation in a bearing is solved, then a coordinate system is unified with the signal time of arrival curve; the dispersion curve and the time curve are matched through a Pearson correlation coefficient index; a formula is established according to a speed difference and a time difference, and a bearing damage distance is calculated; the sensor is moved by a certain distance to be measured again, and the damage position is determined through the two results. The method of matching the Lamb wave propagation mode can determine the propagation speed of the acoustic emission signals with different frequencies, the accuracy of the time difference positioning method is greatly improved, the bearing damage position can be directly found through a single sensor, the bearing fault diagnosis can be realized without depending on the bearing rotating speed, the installation difficulty can be effectively reduced, and the detection cost can be reduced.

The utility model relates to a vehicle-mounted communication terminal. The vehicle-mounted communication terminal comprises a terminal shell; the vehicle wireless communication V2X communication module is arranged on the first main control board, and the V2X communication module is provided with a built-in V2X antenna; the electronic toll collection (ETC) communication module is arranged on the second main control board, and the ETC communication module is provided with a built-in ETC antenna; the first main control board and the second main control board are connected through a connecting line. The problem that the V2X vehicle-mounted unit is inconvenient to popularize due to high installation difficulty in the prior art is solved.

The utility model relates to the technical field of automobile parts, provide a handle box, including box main part, one end of the length direction of box main part is fixedly arranged with first support board, and the other end is fixedly arranged with second support board, the lateral wall of box main part is fixedly arranged with horizontal plate along the length direction of box main part, the one end of horizontal plate is close to second support board and is opened with recess along vertical direction, the bottom of recess is inclinedly arranged, the bottom wall of recess is acutely inclined along the direction away from box main part, one side of horizontal plate away from box main part is provided with connecting assembly, and the utility model can improve the convenience of getting off and opening the door.

The utility model discloses a multi-angle adjustable automatic locking connector which comprises a first connecting pipe, a second connecting pipe, a third connecting pipe and two groups of limiting mechanisms, wherein the first connecting pipe, the second connecting pipe and the third connecting pipe are axially connected in series. The top ends and the bottom ends of the connecting pipes are provided with inserting parts with anti-skid lines, the tops of the second connecting pipe and the third connecting pipe are provided with vertically-crossed penetrating type assembling grooves, and the bottom ends of the first connecting pipe and the second connecting pipe are provided with tooth-shaped assembling heads meshed with the first connecting pipe and the second connecting pipe. The limiting mechanism is composed of a buckle assembly, a button assembly and a spring reset system, the buckle assembly is engaged with the assembling head through a locking tooth groove to achieve locking, and unlocking is completed through cooperation of the button assembly and the spring reset system. In addition, a long screw is arranged between the assembling groove and the assembling head for fastening, the button assembly is provided with a guide boss, and the inserting part is provided with a sealing groove. According to the connector, multi-angle flexible adjustment can be realized, and the requirements of complex scenes are met; the automatic locking function is combined with the long screw to ensure stable and reliable connection; and the structure is compact, operation is convenient and fast, the installation efficiency and the equipment operation safety are effectively improved, and the wide application value is achieved.

The utility model discloses a 3D laser profile sensor with cable anti -looseness mechanism relates to 3D laser profile sensor technical field with cable anti -looseness mechanism, including profile sensor shell, the right side upper and lower both ends fixedly connected with side junction of profile sensor shell are equipped with the connecting cable in the inside of side junction, and the front and back sides of side junction are equipped with the support cross bar, and the inside right side grooving of support cross bar has first threaded hole, and the inside screw thread connection of first threaded hole has side fixed bolt, and one side fixedly connected with side rotating handle of side fixed bolt, and the other side fixedly connected with clamping plate of side fixed bolt, and the one side fixedly connected with protective pad of clamping plate, the outer surface front and back sides upper end grooving of profile sensor shell has damping slide groove, and the inside sliding connection of damping slide groove has a plurality of mounting blocks, the inside grooving of mounting block has second threaded hole, and the inside screw thread connection of second threaded hole has upper fixed bolt.

The utility model provides an expandable fastening fitting for electric power engineering construction, which comprises a fastening plate and side lugs, the fastening plate is of a U-shaped structure, the two ends of the fastening plate are fixedly connected with the side lugs, the middle part of the fastening plate is hollow, the top surface and the bottom surface of the fastening plate are fixedly connected with insulators, and the side lugs are provided with positioning holes. The utility model has the advantages that the fitting capable of expanding and shrinking inside and outside has stronger adaptation performance and better use flexibility, the problem of difficult installation caused by size mismatching is reduced, the safe clamping of a cable is ensured by a stable locking mechanism and a flexible adjusting design, and the service life of the cable is prolonged. And the risk caused by improper installation or cable looseness is reduced, and hardware fittings with different sizes do not need to be customized for different installation environments, so that the production and purchase costs are saved. No matter in a preparation stage before installation or in an adjustment stage in the installation process, the fitting shows high flexibility, so that an operator can perform rapid and accurate adjustment according to actual conditions.

The invention relates to the technical field of shielding cases, in particular to a multifunctional partial discharge test shielding case, which comprises a partial discharge test mechanism, a shielding case body, a power supply mechanism and a power supply mechanism, the two first square grooves are formed in the outer walls of the two sides of the shielding case body respectively; the square shell is fixed to the inner wall of one side of the shielding case body, two second square grooves are formed in the outer wall of the square shell at equal intervals, and a third square groove is formed in the position, below the center, of the outer wall of the square shell; and the conveying mechanism is fixed on the box body and can convey the lightning arrester to the optimal shielding area in the shielding case body. According to the lightning arrester clamping device, the double-shaft motor drives the threaded rod to rapidly rotate to be screwed with the first telescopic rod to adjust the clamping position, flexible adjustment can be conducted according to lightning arresters of different sizes, the compatibility of the device to the lightning arresters of different specifications is improved, and the problem that clamping and positioning are inaccurate due to size differences is solved.

The invention discloses a multifunctional terminal for remote sensing and remote signal collection, comprising: a first remote signal terminal; a second remote signal terminal; a voltage conversion circuit, wherein the voltage conversion circuit is arranged on the second remote signal terminal, the positive input end of the voltage conversion circuit is electrically connected to the positive wire frame of the first remote signal terminal, the negative input end of the voltage conversion circuit is electrically connected to the negative wire frame of the first remote signal terminal, the positive output end of the voltage conversion circuit is electrically connected to the positive wire frame of the second remote signal terminal, and the negative output end of the voltage conversion circuit is electrically connected to the negative wire frame of the second remote signal terminal; wherein the second remote signal terminal is fixedly connected to the first remote signal terminal by bolts. The invention solves the problems that the prior art cannot realize the simultaneous collection of remote signal and remote sensing signals, cannot directly connect the signal quantity collected by remote sensing to the measurement and control DC board, has high cost, large maintenance workload and difficult installation.

This invention discloses an automatic backwashing filtration device with a dual centrifugal and dual-net structure, including a water storage cylinder with a second connecting pipe fixedly connected to it. This invention employs an innovative architecture of centrifugal sedimentation + dual-net graded filtration: high-speed rotation inside the filter cylinder generates centrifugal force to separate large particles such as silt and organic matter from the water; the double-layer stainless steel filter inside the filter cylinder precisely intercepts suspended solids, adapting to different water qualities; the operation of the first and second cylinders respectively drives the movement of the first and second support columns, thereby adjusting the height of the water storage cylinder and providing flexibility for different installation scenarios; the first sliding plate slides into the groove of the second sliding plate, and the first connecting plate and the enclosed cavity form a closed space, preventing the second solenoid valve from being affected by environmental dust, moisture, or electromagnetic interference, avoiding abnormal control signals, and improving the stability and reliability of the equipment operation.