45results about How to "Good for inspection and maintenance" patented technology

The invention belongs to the technical field of cables, and relates to a high-core-number density communication cable, which comprises accommodating units, a central reinforcing piece and power transmission bodies, and is characterized in that the accommodating unit consists of a first bone blade, a second bone blade and a skeleton blade, one end of the first bone blade is connected with one end of the skeleton blade, a first clamping hook is arranged at the other end of the first bone blade, one end of the second bone blade is connected to one side face of the first bone blade, a second clamping hook is arranged on one side of the other end of the second bone blade, the second bone blade is parallel to the skeleton blade, a first accommodating cavity and a second accommodating cavity areformed, the power transmission body is located in the accommodating cavity, the clamping hooks limit the power transmission body, the accommodating units are sequentially connected and distributed along the circumferential direction, the adjacent accommodating units share the skeleton blade or the first bone blade, and the central reinforcing piece is positioned in the center of a multi-core cable. The high-core-number density communication cable has the advantages of being simple in structure, high in power transmission density, convenient to maintain and check, light in weight and lower in cost.

The invention relates to a buried pipeline through-wall waterproof device and an installation method.The buried pipeline through-wall waterproof device comprises a flexible sealing sleeve arranged on a buried pipeline in a sleeving mode, the buried pipeline penetrates through an outer wall of an underground building structure, and the flexible sealing sleeve is a conical sleeve and is located in the underground building structure; the large head end of the flexible sealing sleeve is fixedly connected with a connecting piece on an outer wall in a sealed mode through a wall body sealing ring, the small head end of the flexible sealing sleeve is fixedly connected with a buried pipeline in a sealed mode, a telescopic joint formed through folding is arranged in the middle of the flexible sealing sleeve, and the device has the advantages of being simple in structure, low in cost, good in waterproof effect, convenient to inspect and maintain and high in practicability; the mounting method has the advantages of simple process, high working efficiency, safety and reliability.

The invention discloses an easy-to-install numerical control fan, which comprises a casing, a fan blade, a moving block, a casing, a rear cover for installation, a drive motor, a mounting pin shaft, and a clamping shaft. Groove and rear groove, the bottom of the shell is fixedly installed with an organic casing, the bottom of the casing is fixedly installed with a bottom plate, both sides of the casing are located inside the bottom plate and are provided with travel grooves, the inner side of the rear groove can be The installation back cover is disassembled and installed; the present invention installs a moving block that can move, and installs a mounting pin with a connecting spring in the moving block, and can directly align the mounting pin according to the mounting hole position on the mounting surface The connection hole on the installation surface can make the installation pin shaft directly enter the installation hole through the action of the connection spring to complete the installation. Compared with the traditional non-movable installation block, the fan does not need to move the fan itself during installation. The installation can be completed by directly moving the moving block, which is convenient for installation.

The invention belongs to the technical field of railway signal construction, aims to solve the technical problems of serious crossing of various cables, disordered construction procedures, long construction period and low working efficiency in existing railway signal indoor construction, and provides a railway signal indoor process improvement construction method which comprises the following steps: 1, setting indoor cabinet layout; 2, planning a cable trend and drawing a cable trend construction path diagram; 3, installing the cable support; 4, arranging and fixing indoor cables; 5, arrangingfactory wiring, arranging a computer room to a console cable; 6, installing a cable routing frame; 7, introducing the cables; 8, carrying out primary end forming and cable fixing; 9, carrying out secondary end forming and cable fixing; 10, carrying out cable and lightning protection branch cabinet connection; 11, setting indoor equipment lightning protection and grounding; 12, laying indoor copper foil; and 13, setting electrostatic floor laying and indoor identification. The construction efficiency is improved, and the construction cost is saved.

The invention discloses a flexible sealing deodorizing cover for driving-type water treatment equipment, which comprises: a vertically arranged first support mechanism, which is located on one side of the suction pipe or scraper bracket of the driving-type water treatment equipment, and One end is fixed on the corresponding beam; the first support mechanism is laid with a first bead; the second support mechanism arranged vertically is located on the other side of the driving-type water treatment equipment suction pipe or scraper bracket, and one end is fixed On the corresponding beam; the second support mechanism is laid with a second layer; a first seal, which is fixed on the other end of the first support mechanism; a second seal, which is fixed on the other end of the second support mechanism One end; the first seal and the second seal are respectively flexibly connected to the sides of the corresponding straw or scraper bracket. Its advantages are: the running parts of the driving type water treatment equipment are closed close to the body, the deodorizing cover does not affect the overall layout of the water treatment structure, the design is reasonable, and the structure is simple and light.

A panel mount connector includes a housing that mounts to a panel from a terminal side of the panel and a terminal module that is configured to be supported by and inserted in a channel in the housing from a cable side of the panel. A secondary piece can be used to secure the terminal module to the housing and provide sufficient structure robustness while allowing for ease of assembly and disassembly.

The invention provides a metering device secondary circuit detector and a detection method thereof. The invention discloses a detector capable of rapidly judging whether the metering device secondary circuit has abnormal wiring. The detector comprises a secondary circuit line clamp, a test reference signal generation unit, a test result signal sampling unit, a test result signal testing unit and a display unit. The detector adopts intersectant controllable alternating-current test reference signals to obtain test result signals of each phase wiring by comparing the obtained signals with nominal values to determine the phase with a wiring error and the error type thereof. There is no need to load the detector by switching on the current or investigate the detector wine-by-wire by taking the wires out and switching off the current. The detector can rapidly locate wiring errors in energy meters such as three-phase three-wire meters, and determine error types of the wiring errors. The detector has the advantages of being simple in operation, time-saving and labour-saving.

The invention discloses an electric power communication optical cable wiring method and a ring network system. The method comprises the following steps of 1, arranging an optical cable splice closure, leading an electric power communication optical cable into the optical cable splice closure from a transformer substation, and forming an incoming optical cable; 2, selecting empty screen cabinets with ODF optical fiber distribution frames on two sides in a secondary equipment room, setting one empty screen cabinet as a communication light distribution screen, and setting the other empty screen cabinet as a protection light distribution screen; 3, laying an optical cable from the communication light distribution screen and connecting the optical cable to the optical cable splice closure to form a first guide optical cable, and laying an optical cable from the protection light distribution screen and connecting the optical cable to the optical cable splice closure to form a second guide optical cable; and 4, a third guide optical cable used for connecting the two cabinets being laid between the communication light distribution screen and the protection light distribution screen. The ring network system comprises an optical cable splice closure, a communication light distribution screen and a protection light distribution screen which are connected with one another through guide optical cables to form an annular loop. According to the method, the risk of transmission channel shutdown caused by fiber breakage of the optical cable is eliminated.

The invention belongs to the technical field of railway signal construction. In order to solve the technical problems of serious crossing of various cables, chaotic construction procedures, long construction period and low work efficiency in the existing railway signal indoor construction, a method for improving the construction process of the railway signal indoor is provided. Including the following steps: Step 1, indoor cabinet layout, Step 2, planning cable routing, drawing a construction path diagram of cable routing, Step 3, installing cable brackets, Step 4, indoor cable layout and fixing, Step 5, tidying up Factory wiring, arranging the cables from the computer room to the console, step 6, installing the cable tray, step 7, cable introduction, step 8, first-time termination and cable fixing, step 9, second-time termination and cable fixing, steps 10. The cable is connected to the lightning protection distribution cabinet, step 11, indoor equipment lightning protection and grounding, step 12, laying indoor copper foil, step 13, laying static floor, indoor signs. The invention improves construction efficiency and saves construction cost.

The invention relates to a sensor fixing device. The sensor fixing device comprises a first clamping block and a second clamping block. The two clamping blocks are matched with each other and are usedfor clamping a rotating piece on a corresponding isolating switch, an elastic piece for keeping the first clamping block and the second clamping block clamp the rotating piece is arranged between thefirst clamping block and the second clamping block, a posture sensor for detecting the moving state of the rotating piece is fixed to the first clamping block or the second clamping block, and the two clamping blocks are each provided with a clamp matching part used for being matched with a dismounting clamp to enable the two clamping blocks to overcome the elastic force to release the clamping effect on the rotating piece. Through the cooperation of the dismounting clamp and the sensor fixing device, the sensor fixing device can clamp a crank arm rotating piece under the action of the elastic force or release the clamping of the sensor fixing device on the crank arm rotating piece under the action of the dismounting clamp, thereby realizing the mounting and dismounting of the sensor fixing device under the condition that the isolating switch is not powered off.

The invention relates to a combined adjustable cable support. The combined adjustable cable support comprises a fixing part and at least one group of support parts, wherein the fixing part comprises a cross rod, nuts and a deformation alarm; the deformation alarm comprises a deformation sensor, a power supply, a controller, an alarm and a casing; the deformation sensor is mounted in the middle of the cross rod; the power supply and the controller are mounted in the casing; the alarm is mounted outside the casing; the deformation sensor, the power supply and the alarm are electrically connected with the controller; each support part comprises a hanging rod support, a cable support and a sleeve; the cable support comprises a supporting plate and reinforcing ribs; a mounting hole is formed in one end of the supporting plate, and a blocking column is arranged on one surface of the supporting plate; an insertion hole is formed in the side surface of the sleeve; the supporting plate is fixed in the insertion hole through a plug pin; a positioning hole is formed in the sleeve; fixing holes of a mounting positioning pin and a spring are formed in the side surface of the sleeve; the hanging rod support comprises a vertical rod and a base plate with an adjusting hole; external threads are formed at the upper end of the vertical rod, and internal threads are formed at the lower end of the vertical rod. The combined adjustable cable support can effectively solve the problems that the angle adjustment of the cable support is inflexible, and increasing cable supports during the later period is difficult.

The invention relates to an automatic control system of a land leveler. The system comprises a main body, wherein a control chamber is welded to an outer wall of one side of the main body, a directional antenna, a positioning antenna and a positioning and orienting terminal device are arranged in the control chamber, and an outer wall of one side of the control chamber is connected with a controlchamber door through a lock body. The system is advantaged in that by arranging a first positioning antenna sensor, a second positioning antenna sensor and an inclination angle sensor, a scraper can be positioned, so the land leveler can level a to-be-leveled surface with longitudinal and transverse gradients, by arranging a USB interface and an operation screen, the vertical position of the scraper can be automatically adjusted according to an imported model, an application range of the land leveler is expanded, and applicability of the land leveler is enhanced, by setting three-dimensional design model display of the operation screen, according to graphical and three-dimensional information reference, an operator can visually know the flat ground state information, and construction is rapid.

A panel mount connector includes a housing that mounts to a panel from a terminal side of the panel and a terminal module that is configured to be supported by and inserted in a channel in the housing from a cable side of the panel. A secondary piece can be used to secure the terminal module to the housing and provide sufficient structure robustness while allowing for ease of assembly and disassembly.