32results about How to "Easy to install and service" patented technology

The invention relates to lighting lamps of a vehicle passenger cab, comprising a lampshade, a reflecting plate and a lamp body, wherein lamp tubes and a ballast are arranged on the reflecting plate. The lighting lamps are characterized in that the ballast is arranged in a space enclosed by the lamp body and the reflecting plate and fixed on the reflecting plate. Because the ballast is arranged in the space enclosed by the lamp body and the reflecting plate and fixed on the reflecting plate, the defect of wide varieties of lamps caused by disordered arrangement of vehicle body beams is overcome. The lamps with the same length only have one type, thus the production, the mounting and the overhaul are quite convenient, thereby saving the cost and solving the problem of wide varieties of spare parts. Wires of the lamps are simple, and each lamp is respectively provided with a connector connected with adjacent lamps; and after the lamps are mounted, two adjacent connectors are oppositely plugged so as to realize loop connection, thus the overhaul is convenient.

The invention relates to the technical field of transmission devices and provides a snake bone. The snake bone comprises a snake bone body and a traction part, the snake bone body comprises a head endconnector, a snake-bone middle portion and a tail end connector, wherein the snake-bone middle portion comprises a plurality of snake bone gaskets, supporting pieces are arranged between each two adjacent snake bone gaskets, and the traction part is used for dragging the snake bone body for bending movement. Compared with the scheme that multiple scleromeres are connected with one another in a riveted mode in the prior art, the snake bone has the advantages that the structures of the snake bone gaskets and the supporting pieces are more simple, so that installation and maintenance are easier;under the circumstance that the bending angles needed by the whole snake bone are the same, the multiple snake bone gaskets can be arranged in the same length range of the snake-bone middle portion,so that multiple gaps are formed, and bending space which is needed is arranged among the multiple snake bone gaskets respectively, so that the size of one single gap is reduced, and then adjusting and control are more precise; the bending degrees among adjacent snake bone gaskets are reduced, and then the shape is more smooth.

The invention discloses a high-voltage direct current transmission line corona loss measurement system. The high-voltage direct current transmission line corona loss measurement system comprises a corona current measurement system, a high voltage measurement system and a comprehensive corona loss processing unit; the comprehensive corona loss processing unit receives, calculates and processes the corona current value measured by the corona current measurement system and the voltage value measured by the high voltage measurement system and calculates the corona loss data. Compared with the prior art, the corona current measurement system of the high-voltage direct current transmission line corona loss measurement system uses split type structure, and the field installation and repairing are simplified; the high-voltage direct current transmission line corona loss measurement system is suitable for a super / extra-high voltage direct current transmission line, and the measurement system is precise in measurement result, strong in anti-electric shock performance, effective and easy to use; the high-voltage direct current transmission line corona loss measurement system is capable of stably running under an extra-high voltage direct current environment and different severe natural environment for a long time; the high-voltage direct current transmission line corona loss measurement system provides an effective and reliable technological way for deeply researching the high-voltage direct current transmission line corona loss.

The invention discloses a data acquisition device for PC background control. The data acquisition device comprises a shell body, a shell door, mounting feet, a condenser pipe, a water tank, refrigeration blocks, a drying cylinder, a fan, an air inlet joint, air holes, a cavity, a component mounting frame, heat dissipation holes, a connector, an air filter screen and a drying bag. The device is unique in structure, and the device can be horizontally or vertically mounted through the mounting feet of the device. The shell door is hinged to one side of the shell body of the device. When the shelldoor is opened, electrical components can be installed on the component mounting frame in the shell body. The installation and maintenance of the electrical components of the device are greatly facilitated, and the assembly and maintenance efficiency of the device can be improved. The device comprises a heat dissipation mechanism, and when the heat dissipation mechanism works, dry air with low temperature can be formed, and the air with low temperature can be blown into the shell body of the device. Therefore, heat dissipation of the interior of the shell body is facilitated, the device has high heat dissipation capacity, and the service life of the device can be guaranteed.

The invention relates to a camera, in particular to a multi-directional camera used for building monitoring. The multi-directional camera used for building monitoring comprises a bracket and the like, penetrating holes are formed in the bottom in the bracket, a lifting mechanism is arranged on the left side wall in the bracket, a swinging device is arranged on the right side of the lifting mechanism, and a clamping base is connected to the swinging device; and a clamping block is matched with the clamping base, and a camera body is arranged on the clamping block. According to the multi-directional camera used for building monitoring, convenient disassembly, overhauling and installing of the multi-directional camera are achieved, the shooting range of the multi-directional camera is expanded, and the camera is adjusted to a proper position for completing the better shooting effect.

The invention discloses a mechanical positioning mechanism, a lockset and an electromagnetic locking system. The mechanical positioning mechanism comprises a swinging power assembly, wherein the swinging power assembly is arranged on the side edge of a protruding part, and the protruding part is fixed inside a mounting part, a positioning extension assembly is horizontally arranged on the mountingpart, and an engaging structure connects the positioning extension assembly with the swinging power assembly. Through identification of an access control card or a digital password, a conductor in anelectromagnetic attraction module is automatically connected to a power supply through an induction piece and generates a magnetic field, an adsorption part and a sliding part are attracted by an iron core to move, a driving part is driven to swing by means of a tabling part under the action of a mating groove, the driving part overcomes elastic force of the elastic part to drive a lock bolt to act by means of the engaging structure so as to realize a unlocking function, and the electromagnetic attraction assembly is automatically powered off after the electromagnetic attraction assembly is continuously electrified for a period of time under working of a timer, so that the lock bolt is automatically reset and locks under the elastic force of the elastic part, and the functions of smart positioning, unlocking and locking are achieved.

The invention discloses a power distribution cabinet and control system for student dormitories. The power distribution cabinet and control system comprises a cabinet body and a control unit, wherein the cabinet body is provided with at least one visual panel; the control unit comprises a human body infrared sensing switch, a single-chip microcomputer, a water heater, a time relay and an alternating-current contactor; the infrared sensing switch is connected with the input end of the single-chip microcomputer; the infrared sensing switch is arranged on a room wall; the output end of the single-chip microcomputer is connected to the time relay, the alternating-current contactor and the water heater in sequence; and the input end of the human body infrared sensing switch is connected with a probe. Through the manner, the power distribution cabinet and control system for the student dormitories disclosed by the invention has the advantage of convenience in installation and maintenance, the heating time of the water heater is controlled through the single-chip microcomputer, namely unnecessary heat preservation is reduced, timely heating can also be realized, and meanwhile, electric energy can also be greatly saved.

The invention discloses a lifting type suspended ceiling plate convenient to maintain, the lifting type suspended ceiling plate includes a main keel and an auxiliary keel, a gypsum board is laid on the bottom of the main keel, the main keel is slidably mounted on the auxiliary keel through a first sliding sleeve, the auxiliary keel is connected with a steel wire rope through a second sliding sleeve that is slidably mounted, line wheels are fixed on a rotating mechanism at equal intervals, one side of the rotating mechanism is provided with a supporting block, the tops of the rotating mechanismand the supporting block are connected with booms through connecting blocks and bolts penetrating through the connecting blocks, the tops of the booms are also provided with connecting blocks, the top of the gypsum board is provided with a support frame, limiting rods are hinged to two sides of the support frame through spherical hinges, and one side of each limiting rod is fixed to one side of the support frame through a spring. The lifting type suspended ceiling plate convenient to maintain can perform vertical lifting by adjusting the overall keel and the gypsum board structure connected at the bottom, and facilitate maintenance and mounting, and the overall gypsum board structure is stably mounted on the main keel; and the lifting type suspended ceiling plate is convenient to dismountand maintain.

The invention discloses a small portable smart video interactive teaching terminal, comprising a mounting seat, a housing and a holding box. A wireless transmission module is mounted at the top end ofthe mounting seat on one side of a battery; a storage is mounted at the top end of the mounting seat on one side of the wireless transmission module; heat-dissipating plates are mounted between the inner walls of the two ends of the mounting seat; one side of the housing is provided with a clamp groove; a recess is arranged in the top end of the housing; a protective cover is fixedly connected toone end of the recess through a hinge. The heat-dissipating plates are mounted between the inner walls of the two ends of the mounting seat, a fan is mounted at the center of the bottom ends of the heat-dissipating plates, a quick cooling and heat-dissipating function is provided for the terminal herein, and therefore, the service life of the terminal is extended and the terminal is easy to popularize and use.

The invention provides an installation structure of a detection sampling device in a wastewater treatment system, which belongs to the technical field of environmental protection detection, and solvesthe problem of how to ensure that a submersible pump can be stably installed and positioned and can be installed and maintained more conveniently. The wastewater treatment system comprises a wastewater collection tank and a working wellhead, the detection sampling device comprises a submersible pump and a water outlet pipe, and the installation structure comprises a fixed rod and a fixed frame, wherein the fixed rod is inserted into the bottom of the wastewater collection tank in a vertical direction and fixed at the bottom of the wastewater collection tank, the fixed frame is fixed above theworking wellhead, a hoop is fixed on the submersible pump and is provided with an annular hoop part, the hoop part sleeves the fixed rod and is in clearance fit with the fixed rod, a winch is fixedlyconnected to the fixed frame, a cable wire of the winch extends from the working wellhead into the wastewater collection tank and is fixedly connected with the submersible pump to be straightened, and the hoop part can slide along the fixed rod as being pulled by the cable wire. With the design, the installation and maintenance of the submersible pump are more convenient.

A pressure-bearing flange structure of a high-temperature gas cooled reactor main helium fan comprises a steam generator pressure container flange, a volute flange connected to the upper portion of the steam generator pressure container flange and a middle partition plate connected to the upper portion of the volute flange; the steam generator pressure container flange is connected with the volute flange through a bolt and the volute flange is connected with the middle partition plate through a bolt; the middle partition plate is a partition plate of a main helium fan motor cavity and a main helium fan cavity, wherein the main helium fan motor cavity is located above the axis of the middle partition plate and the main helium fan cavity is located below the axis of the middle partition plate; a plurality of grooves are formed in the bottom face of the middle partition plate and heat insulation layers are arranged on the grooves; the volute flange comprises an outer flange body which is far away from the axis of the main helium fan and an upper flange body which is located along the axis of the main helium fan. According to the pressure-bearing flange structure, the main helium fan motor cavity is separated from the main helium fan cavity, meanwhile, load-bearing, heat-insulation and locating requirements can be met, and safe and reliable operation of the main helium fan is guaranteed. The pressure-bearing flange structure has enforceable performance and brings convenience to installation and overhaul of the main helium fan; meanwhile, the structure is simple and is easy to machine.

An integrated fumaric acid wastewater treatment device comprises a tank body, a water inlet pipe, a water outlet pipe and six partitions, wherein the water inlet pipe and the water outlet pipe are communicated with two ends of the tank body respectively; the partitions are vertically arranged in the tank body and divide the tank body into a pH adjusting tank, a three-dimensional electrochemical tank, a flocculation sedimentation tank, an anaerobic reaction tank, an aerobic reaction tank and an aeration biofilter which are communicated from left to right; the water inlet pipe is communicated with the upper part of the pH adjusting tank, and the water outlet pipe is communicated with the lower part of the aeration biofilter. The device has the advantages that 1, due to the design of the three-dimensional electrochemical tank and the internal three-dimensional electrochemical reaction structure of the three-dimensional electrochemical tank, different electrode materials can be selected according to different sewage, the electrode material is convenient to replace, the difficulty in packing flushing and packing replacement is reduced, and maintenance and installation are convenient; 2,by the design of the three-dimensional electrochemical reaction structure, organic matter in fumaric acid pharmaceutical wastewater can be carbonized, so that the content of organic matter in the wastewater is reduced, and biodegradable short-chain organic matter is generated by chain breaking.

The invention provides a thickness measuring device and its method for steel material in red hot state. In the measuring device, a stepping motor is connected with a guide rail lead screw and drives slide blocks to move along the guide rail. A sensor support is connected with the slide blocks; two temperature preserving boxes are fixed on the sensor support in a symmetrical manner; each temperature preserving box is equipped with a laser displacement sensor and a temperature sensor. Each temperature preserving box comprises an inner cavity, a heat insulating layer, a water cooling layer, a probing window, a water cooling channel, a water inlet pipe, a water outlet pipe. The water cooling layer is arranged at the external part of the inner cavity of the temperature preserving box; the heat insulating layer is arranged at the external part of the water cooling layer; the water cooling layer is communicated respectively with the water inlet pipe and the water outlet pipe. An analyzer is respectively connected with the laser displacement sensors, the temperature sensors and the stepping motor. The device of the invention can realize the measurement of the thickness of a steel plate in red hot state; the measurement process is automatic, the efficiency is high and instant, and problems with the thickness of the steel plate can be found in time, thus reducing the defect rate of steel.

The invention relates to a die-cut plate loading device of a die cutting machine. The device comprises a shelf; the shelf comprises a top plate, a base plate and stand columns; and the top plate and the base plate are fixedly connected through the stand columns at four corners. Four distance change lead screws capable of rotating are vertically mounted between the top plate and the base plate; andmultiple support plates are horizontally mounted between the top plate and the base plate. Screw nuts matched with the distance change lead screws are arranged at four corners of a support plate; thescrew nuts sleeve the distance change lead screws; outer chain wheels are mounted at the lower ends of the distance change lead screws; outer chains are arranged on the outer chain wheels; and the outer chains can drive the outer chain wheels at four corners to rotate at the same time. Two pushing devices are mounted at the left and right ends of the shelf. An overturning device is mounted at thefront end of the shelf. More die-cut plates can be stored within a limited height distance, so that the space utilization rate is effectively increased, and the die-cut plates are conveniently maintained and mounted.

The invention discloses a composite guardrail with an automatic closing function. The composite guardrail with the automatic closing function comprises a first mounting frame and a second mounting frame; two connecting pipes are arranged on one surface, corresponding to the second mounting frame, of the first mounting frame; first mounting grooves are formed in the corresponding surfaces of the two connecting pipes; adjusting pipes are connected to the bottom ends of the first mounting grooves through electric telescopic rods; guardrail pipes are arranged on the connecting pipes on the two sides of the adjusting pipes; the guardrail pipes are also arranged on the adjusting pipes; and openings are formed in positions, corresponding to the guardrail pipes on the adjusting pipes, of the connecting pipes. According to the composite guardrail with the automatic closing function, the electric telescopic rods are used as an acting force for opening and closing the guardrail so as to replace amotor; and therefore, the structure is simpler, and the mounting and overhauling are made convenient; and meanwhile, the electric telescopic rods cannot apply a over-large inertia force to the guardrail so that the service life of the guardrail is prolonged; and by setting a PLC controller, the composite guardrail can be automatically closed after being opened so that the use is made convenient for a user.

The invention discloses an artificial intelligence teaching platform comprising a first support plate, a second support plate and a third support plate. The two ends of first support rods are fixedlyconnected in the four corners of the upper surface of the first support plate and the four corners of the lower surface of the second support plate. The two ends of second support rods are fixedly connected in the four corners of the upper surface of the second support plate and the four corners of the lower surface of the third support plate. A bottom disc is fixedly installed on the lower surface of the first support plate. A double-spindle motor is fixedly installed in the middle of the bottom disc. The front transmission end and the rear transmission end of the double-spindle motor are fixedly connected with a rotating shaft. The artificial intelligence teaching platform is reasonable in structure, easy to operate, small in size and convenient to install and maintain. Meanwhile, automatic motion and manual steering can be realized, and the students are enabled to realize learning of the Python programming language and experiment and practice of the field of artificial intelligenceand robots under the ROS system environment so as to have high practicality.

The invention provides a lining paper packing machine. The lining paper packing machine comprises a paper supporting mechanism, a paper guiding mechanism, a paper cutting mechanism, a feeding mechanism, a pushing mechanism, a bottom face two-long-side forming mechanism, a turret forming mechanism, an end lug folding mechanism and a top face short side edge forming mechanism, wherein lining paper enters the bottom face two-long-side forming mechanism to fold up two long side edges of the bottom face; the pushing mechanism pushes a product and the lining paper into the turret forming mechanism;and the turret forming mechanism drives materials to rotate and meanwhile makes an opening in the top face of the lining paper through the end lug folding mechanism and the top face short side edge forming mechanism to complete folding forming. The lining paper packing machine can complete lining paper packing in a full-automatic and efficient mode; a hob shaft assembly rotates unidirectionally byone circle through a unidirectional rotation limiting assembly, mounting and maintaining of blades can be facilitated, and the mounting and maintaining efficiency is effectively improved; besides, lining paper sealing action is completed through the turret forming mechanism, the end lug folding mechanism and the top face short side edge forming mechanism, and the structural design is reasonable;and the automation degree is high.

The invention discloses traction type monitoring equipment, which comprises a detector, a sleeve and a traction device, and is characterized in that two ends of the sleeve are respectively arranged on a wall body of a high-dose room in a penetrating manner and are communicated with the outside of the high-dose room, and other parts of the sleeve are arranged in the high-dose room; the detector is arranged in the sleeve, is located in the high-dose room and is used for detecting the radiation level in the high-dose room; the traction device is connected with the detector through a traction rope, is arranged outside the high-dose room and is used for pulling the detector to move in the sleeve, so that the detector reaches a preset detection position in the sleeve. The invention further discloses a nuclear facility. The monitoring equipment is convenient to install and overhaul, and the irradiation risk is small.

The invention discloses a power distribution cabinet. The power distribution cabinet comprises a circuit breaker installation plate with the height of 250mm. The distance between the bottom end of the circuit breaker installation plate and a base plate of a box body is 737.5mm. The height of a capacitor sealing plate is 175mm. Each of the height of the upper part installation beam support and an upper installation beam is 150mm. The distance between the tail end of the upper installation beam and the base plate of the box body is 573.5mm. The height of the each circuit breaker installation beam is 85mm. The distance between the two circuit breaker installation beams is 165mm. The distance between the base end of the circuit breaker installation beam near to the base plate of the box body and the base plate of the box body is 556mm. The height of an ammeter installation upper beam is 312mm. The height of an ammeter installation lower beam is 173mm. The height of a metering mutual inductor sealing plate is 156mm. The distance between the bottom end of the metering mutual inductor sealing plate and the base plate of the box body is 192.5mm.

The invention discloses a lithium battery protection plate for preventing positive and negative electrodes from being in contact liquid, and relates to the technical field of lithium battery protection plates. The protection plate comprises a protection plate body, a positive electrode connection point and a negative electrode connection point, the positive electrode connection point and the negative electrode connection point are arranged at the top of the protection plate body, and a waterproof box is fixed to the top of the protection plate body. Through mutual cooperation of the waterproof box, a waterproof quick connection mechanism and a sealing cover plate, the device can provide protection for the lithium battery protection plate conveniently, short circuit caused after positive and negative electrodes of the lithium battery protection plate make contact with liquid is avoided, meanwhile, the device can be connected with an external wire conveniently, the lithium battery protection plate can be installed and overhauled conveniently, and the device is convenient to use; and through mutual cooperation of the waterproof box, the sealing cover plate and a drying agent, the situation that the lithium battery protection plate is located in a humid environment for a long time, and further aerugo rust is generated on the lithium battery protection plate is avoided, and the lithium battery protection plate is prevented from being damaged.

The invention discloses a device for pushing and pulling a bearing block of a thrust ball bearing. The top of a first guide rail is connected with a first sliding block, the first sliding block is mounted at the bottom of a first movable plate, a mounting plate and a connecting plate are respectively mounted at the left side and the front side of the first movable plate, a second guide rail is arranged at the top of the first movable plate, the top of the second guide rail is connected with a second sliding block, an air cylinder rod of the first air cylinder is connected with the connecting plate, an air cylinder rod of the second air cylinder is connected with the mounting plate, a manipulator frame is mounted at the bottom of the second movable plate, and a manipulator is mounted outside the manipulator frame. According to the device disclosed by the invention, the first movable plate and the second movable plate are respectively driven to move by virtue of the two air cylinders, so that the device can realize left and right movement as well as forward and backward movement, the movement of the to-be-detected bearing block of the thrust ball bearing is realized by virtue of one group of V-shaped manipulators of the device, and the device disclosed by the invention is simple in structure and easy to mount and maintain.

The invention relates to a metering box for a power distribution network. A box body comprises a bottom plate. The bottom plate is provided with a vertical plate and a shell for being matched with the vertical plate to define an inner cavity of the box body. The bottom plate is further provided with an assembling plate for arranging power distribution elements and a partition plate for partitioning the inner cavity of the box body into at least two containing chambers. The vertical plate is arranged on the bottom plate in a welding mode. The shell is connected to the bottom plate in a sliding mode. The bottom plate is further provided with a drive lead screw for driving the shell to slide. The shell is provided with a nut matched with the drive lead screw. According to the metering box, the vertical plate and the shell are arranged on the box body, electrical elements in the box body can slide the shell away directly in the overhauling or mounting process, the assembling plate and the partition plate on the bottom plate are made to be exposed outside, and the operation space for the electrical elements in the mounting or overhauling process is large, so that the electrical elements can be mounted or overhauled conveniently, and the metering box is very convenient to use.

The invention discloses an ice feeding device for a cavitation water drum test, which is characterized by comprising a cavitation water drum, a water sealing plate is erected on the upper surface of the cavitation water drum, a ship model is hung below the water sealing plate, the ice feeding device is arranged behind a ship body, the ice feeding device comprises a three-dimensional moving device used for adjusting the ice feeding position, and model ice is mounted at the tail end of the three-dimensional moving device. A propeller is installed on the ship model tail shaft and driven by a propeller motor in the ship body. The device has the advantages of being high in modularization degree, convenient to install, easy to debug, complete in function, watertight, high in precision, stable in operation and the like, the effect test of the ice water paddle ship in the cavitation bubble water cylinder can be effectively achieved, and the stability and precision of the test are improved.