47results about How to "Easy to check and repair" patented technology

The invention relates to a waterproof system for a basement bottom board and a wall surface and a construction method thereof. The construction method comprises the steps of: horizontally spreading and pasting a self-adhesive rubber bituminous waterproof sheet material on a concrete base layer, and building up a brick permanent protection wall outside a preset position of a basement wall surface, wherein the bottom of the brick permanent protection wall is vertically connected with the concrete base layer, the self-adhesive rubber bituminous waterproof sheet material spreads over corners of the basement wall surface and then is upward folded to be spread and pasted on the water attaining surface of the brick permanent protection wall, then the self-adhesive rubber bituminous waterproof sheet material is lapped with another self-adhesive rubber bituminous waterproof sheet material pasted above the brick permanent protection wall, a self-adhesive rubber bituminous waterproof sheet material is pasted on an outer vertical surface of the basement wall surface. The construction method has the advantages of strong construction continuity, fast speed, good construction environment, low cost and the like, eliminates the hidden danger of fire since the heating is avoided in the construction process, is safe and reliable, completely changes and improves the traditional waterproof construction environments and the waterproof construction technology. The waterproof system can be widely applied in basements, underground structures and roofs.

The invention discloses a modularized propeller cleaning device. The device comprises an underwater robot assembly, a lifting structure assembly, a mechanical claw assembly and a cleaning assembly, the underwater robot assembly is installed on a first frame, and the lifting structure assembly is installed in the first frame; the whole underwater robot assembly is installed on the lifting structureassembly and rises and falls with lifting and falling of the lifting structure assembly; the mechanical claw assembly is connected with the lower portion of the lifting structure assembly and is located at a propeller; the cleaning assembly is installed on one side of the underwater robot assembly through a clamping hand. The device effectively avoids the problem in the prior that accurate location and function modularization cannot be achieved, and the work reliability and diversity are greatly improved.

The invention discloses a length-fixed antenna with special antenna adaptor device to solve the problem that the prior normal antenna has difficulties in meeting different requirements due to complex on-site test environment and working conditions of a structure during the field test of various engineering structures. According to the actual conditions of field test environments and the characteristics of different structures, the antenna adopts a waterproof film design and has a length adjusting function and a super-high pressure-resistance and waterproof function. Meanwhile, according to design, the antenna is available in circular and flat cross sections so as to meet the requirements on antennae of specific test environments. Obviously, the adjustable antenna for testing engineering structures can well meet the requirements of complex field test environments on the antennae, improve the safety and convenience of on-site test operations, and guarantee the smooth completion of the on-site test operations.

The present invention discloses an anti-scald motorcycle engine heat dissipation mechanism. An engine air cooling heat dissipation device comprises two U-shaped heat conduction clamping plates. Each U-shaped heat conduction clamping plate is internally provided with a circular groove. Left and right tube orifices of a T-shaped hollow circular tube are sleeved with air inlets of the circular grooves. A front tube orifice of the T-shaped hollow circular tube is fixedly connected with a blower. Outer sides of the U-shaped heat conduction clamping plates are fixedly connected with one ends of heatconduction metal plates. The other ends of the heat conduction metal plates are fixedly connected with inner sides of L-shaped heat insulation clamping plates. The middle of a front plate of each L-shaped heat insulation clamping plate is provided with a groove, and a cooling fan is fixed in each groove. The middle of each cooling fan is connected with a gear via a connecting rod. The gears are movably linked to a conveying chain. The middle of conveying chain is also provided with a set of gears welded to a rotating rod of a motor. Air cooling heat dissipation of an engine can be achieved bythe arrangement, and scald can be prevented by the L-shaped heat insulation clamping plates.

The invention discloses an elevator hall outer arrival indicator lamp device capable of automatically adapting to the ambient brightness, and belongs to the technical field of elevator hall outer arrival indicator lamps. The elevator hall outer arrival indicator lamp device capable of automatically adapting to the ambient brightness comprises an ambient photo sensor, a main control MCU and an elevator hall outer arrival indicator lamp which are installed on the outer wall of an elevator hall, the light ray intensity of the ambient can be obtained through the ambient photo sensor and convertedinto a digital signal, the main control MCU reads data of the sensor for processing, the data are compared with the preset threshold value and judged, a lighting control pulse with the corresponding duty ratio is output, accordingly, the brightness, matched with the ambient, of the elevator hall outer arrival indicator lamp is adjusted so that the situation that the arrival indicator lamp is too bright or too dim can be avoided, and meanwhile, the electricity consumption of the elevator hall outer arrival indicator lamp can be greatly reduced.

The invention discloses a hydraulic buffering type elevator tensioning device and a tensioning method that are applicable to marine elevators or elevators on the working condition that the conventional tensioning device bounces after receiving a high impact load and being affected by external factors. The hydraulic buffering type elevator tensioning device comprises a tensioning component, a hydraulic buffering component and a fixing component. When the hydraulic buffering type elevator tensioning device receives an upward impact load, a plunger retracts, a cylinder body moves upwards, oil pressure of a plunger inner cavity rises, the impact load is inhibited, a buffer spring is further compressed, the hydraulic buffering type elevator tensioning device is inhibited from moving upwards, and pressure oil and the buffer spring store impact energy at the same time, thereby reaching a buffering effect of the hydraulic buffering type elevator tensioning device. The hydraulic buffering type elevator tensioning device can effectively prevent a tensioning wheel from bouncing after receiving the impact load or being affected by the external factors; steel wire rope elongation of a speed-limiting steel wire rope caused by thermal expansion and cold contraction or long-time use, and changes of a tensioning force of the speed-limiting steel wire rope can be detected in real time, a speed limiter and safety tongs linkage failure caused by the insufficient tensioning force of the speed-limiting steel wire rope can be avoided; and the hydraulic buffering type elevator tensioning device is compact in system structure, small in space occupation, wide in application range, and convenient to mount and use.

The invention relates to a semi-hinged structure suitable for reducing force on a pier, a bearing platform and a foundation under the action of an earthquake. The semi-hinged structure can play a rolein the transverse bridge direction and a longitudinal bridge direction of a bridge simultaneously. The semi-hinged structure suitable for reducing the force on the pier, the bearing platform and thefoundation under the action of the earthquake comprises sleeves, truncated rebars, connecting rebars and mortar cushion layers; the pier is arranged on the bearing platform and the truncated rebars are anchored in the pier; the lower ends of the connecting rebars stretch into and are anchored in the bearing platform, and the upper ends of the connecting rebars stretch into and are anchored in thepier; the pier and the bearing platform are connected by the connecting rebars; the mortar cushion layers are poured at the connection positions of the pier and the bearing platform and on the outer sides of the connecting rebars; and the sleeves wrap the connecting rebars at the connection positions of the pier and the bearing platform, and the contact between the connecting rebars and concrete is isolated to avoid stress concentration of the connecting rebars. Compared with the prior art, the internal force of the pier, the bearing platform and the foundation can be reduced by the semi-hinged structure, and the semi-hinged structure suitable for reducing the force on the pier, the bearing platform and the foundation under the action of the earthquake has the advantages that the foundation engineering quantity is reduced, the pier reinforcing bars are reduced, the earthquake damage to the bearing platform and the foundation is reduced, the construction is convenient, the performance is reliable, and the cost is low.

The invention discloses cabinet equipment capable of automatically moving out communication electric appliance after opening door. The cabinet equipment comprises a machine body, wherein a communication cabinet is fixedly arranged on the upper side face of the machine body, a communication cavity is formed in the communication cabinet, a moving cavity is formed in the lower side of the communication cavity, a power cavity is formed between the machine body and the communication cabinet, a pushing cavity is formed in the lower side of the moving cavity, and a lever cavity is formed in the leftside of the pushing cavity; two cabinet door hinges which are symmetrical left and right are fixedly arranged on the front side of the communication cabinet, a closed cabinet door is rotatably connected to each cabinet door hinge, a main motor is fixedly arranged on the lower side wall of the power cavity, the main motor is in power connection with a motor shaft, and a power device for providing moving power is arranged in the machine body. The equipment in the cabinet can be automatically moved and separated by opening and closing the cabinet door, maintenance personnel can check and overhaulthe communication equipment conveniently, problems that movement of the personnel is limited and the personnel are difficult to overhaul due to limited space in the cabinet are solved, various communication equipment is exposed outside the cabinet, light is sufficient during maintenance, various line equipment can be seen clearly, and maintenance efficiency is improved; rapid maintenance by personnel is facilitated.

The invention discloses a storage battery maintenance control system. The storage battery maintenance control system comprises a central remote control platform, a charging module, an intelligent loadunit, a control mainboard, a battery parameter measurement device, a mains supply state acquisition device, a touch control box and a liquid crystal control terminal, wherein the battery parameter measurement device, the mains supply state acquisition device, the contact control box and the liquid crystal control terminal are all electrically connected with the control mainboard, the liquid crystal control terminal is further in communication connection with the central remote control platform, the touch control box is further connected with a battery pack, the charging module and the intelligent load unit both are electrically connected with the contact control box, the charging module is further connected with an external mains supply, the battery parameter measurement device is electrically connected with the battery pack and is used for sending battery parameter information to the control mainboard, the mains supply state acquisition device is connected with the external mains supply, and the control mainboard is used for controlling a switch in the contact control box to switch on and switch off so as to further switch a charging state and a discharging state of the battery pack after a maintenance preset command is received.

The invention discloses a single crystal silicon thermal field crucible efficient mounting and clamping method, which comprises the following steps that S1, a fixed tray is arranged in a dry boiler outer shell, three groups of graphite crucible trays are fixed to the fixed tray, and a graphite crucible is formed; S2, the quartz crucible is placed on a graphite crucible, and the quartz crucible isclamped through three groups of graphite crucible trays; S3, the dry boiler top base and the dry boiler outer shell are fixed in a screw joint mode through an annular fixing bolt and an annular bolt groove; S4, production of the single silicon product is carried out; according to the mounting and clamping method of the thermal field crucible, the problems that an original crucible is troublesome to install and adjust and low in speed are solved, meanwhile, a new clamping mode is adopted, the crucible is more convenient to install and more convenient to overhaul and replace when a fault occurs,and therefore the purposes of improving production efficiency, reducing maintenance difficulty and saving time are achieved.

The invention discloses a smoke concentration detection test device and a testing method thereof, belongs to the field of smoke concentration testing, and aims to provide the smoke concentration detection test device and the testing method thereof. The technical scheme has the key points as follows: the smoke concentration detection test device comprises a box, a smoke generator and a testing assembly, wherein the smoke generator is communicated with the interior of the box; a first connecting port and a second connecting port are oppositely formed in the box; the testing assembly comprises alight-emitting source, a first light source receiving end and a second light source receiving end; the light-emitting source and the first light source receiving end are positioned on one side, away from the second connecting port, of the first connecting port; the second light source receiving end is positioned on one side, away from the first connecting port, of the second connecting port; a semi-transmitting and semi-reflecting mirror for refracting a part of a light source into the first light source receiving end and transmitting a part of the light source into the first connecting port is arranged between the light-emitting source and the first light source receiving end. The smoke concentration detection test device has the advantages as follows: influences of voltage fluctuation ofthe light-emitting source on a testing result can be reduced, and the testing accuracy can be improved.

The invention relates to an electric pipe climbing device. The electric pipe climbing device comprises eight brushless wheel hub motors, connecting shafts, transverse connecting rods and longitudinal connecting rods, wherein every two brushless wheel hub motors are connected through the connecting shafts; the four connecting shafts are mutually vertically connected through the transverse connecting rods and the longitudinal connecting rods to form a rectangular stereoscopic frame structure; a support is arranged between two upper horizontal connecting rods and two lower horizontal connecting rods, a battery is arranged on the support, and the battery is connected with the brushless wheel hub motors; the longitudinal connecting rods and the connecting shafts are connected in a sliding manner, and a spring sleeves each longitudinal connecting rod between two corresponding connecting shafts. The electric pipe climbing device can pass through a cable pipeline through the eight brushless wheel hub motors, so that a cable passes through the cable pipeline, and the time and labor are saved.

The invention discloses a water quality detection method for a water pipe system, the water pipe system and a storage medium, the water pipe system comprises a main pipeline and a plurality of auxiliary pipelines communicated with the main pipeline, and the plurality of auxiliary pipelines comprise a first auxiliary pipeline and a plurality of remaining second auxiliary pipelines; the water quality detection method for the water pipe system comprises the following steps: when it is determined that the first auxiliary pipeline is abnormal, obtaining first detection data of the main pipeline; when the first detection data meets a first preset condition, obtaining second detection data of the first auxiliary pipeline; determining a target auxiliary pipeline in the plurality of second auxiliary pipelines, and acquiring third detection data of the target auxiliary pipeline; and when a difference value between the second detection data and the third detection data is smaller than a preset detection difference value, determining that the target auxiliary pipeline corresponding to the third detection data is an abnormal auxiliary pipeline. According to the scheme, other abnormal pipelines can be found in time, so that troubleshooting and maintenance as early as possible are facilitated.

The invention discloses a low-voltage electrical cabinet convenient for busbar maintenance and a maintenance method thereof, relates to the technical field of low-voltage electrical cabinet maintenance, and solves the problem that a busbar in an existing low-voltage electrical cabinet is difficult to maintain, the low-voltage electrical cabinet comprises an electrical cabinet shell and a support frame fixed on the inner side of the electrical cabinet shell, and a cabinet door is mounted on one side of the electrical cabinet shell. The top of the three sides, away from the cabinet door, of the electrical cabinet shell is provided with a storage opening, a U-shaped plate is arranged in the storage opening, the inner side of the U-shaped plate is provided with a connecting piece fixed to the inner wall of the electrical cabinet shell, the top of the U-shaped plate is provided with a driving mechanism, and the driving mechanism is used for moving the movable top cover. According to the electrical cabinet, the electrical cabinet shell is optimized, the U-shaped plate is designed so that the electrical cabinet can ascend and descend, the busbar in the electrical cabinet body can be protruded, meanwhile, the movable top cover is driven by the driving mechanism to move outwards, and personnel can conveniently check and overhaul the busbar on the top.