41results about How to "Convenient for daily maintenance work" patented technology

The invention discloses a rooftop linkage tracing photovoltaic stent and a photovoltaic power generation system, which belongs to the technical field of photovoltaic power generation equipment. The stent comprises a driving mechanism, guide rails and a component unit. The guide rails are laid on rooftop and are fixed. The component unit is arranged across two adjacent guide rails, and comprises a component frame, a sliding part and a connecting rod. The sliding part is arranged in the guide rails. One end of the connecting rod is hinged with the sliding part. The other end is hinged with the component frame. The driving mechanism is applied to the sliding part of the component unit. When the photovoltaic stent is used, the connecting rod is pushed to hold up or lay the component frame. The whole photovoltaic stent structure can be close to the rooftop plane, which effectively reduces wind resistance; the weight of the entire photovoltaic stent structure is light, which reduces the overall structural strength requirement; and the rooftop linkage tracing photovoltaic stent and the photovoltaic power generation system have the advantages of long service life, simple structure, reasonable design and easy manufacture.

The invention relates to an indoor dry voltage transformer for a metering handcart, comprising an iron core, a primary winding, a secondary winding, a first contact arm terminal and a secondary wire holder, which are cast into an integral structure. The indoor dry voltage transformer further comprises a fuse which is arranged in a fuse chamber inside the integral structure and is electrically connected between the primary winding and the first contact arm terminal, and a lightning arrester connection terminal which is embedded on the integral structure and is electrically connected with the first contact arm terminal inside the integral structure. The end of the high-voltage insulating column of the first contact arm terminal is a concave cylinder. The indoor dry voltage transformer is small in occupying area, flexible to install, stable in insulation and is easy to maintain and is provided with protection from the fuse and the first contact arm terminal, thus realizing a metering handcart which is simple and economic and is reliable in insulation, safe to operate and easy to maintain.

The invention discloses a honing machine, comprising a machine tool and a machine tool control cabinet, wherein the honing machine also comprises a machine tool protection cover covering the exterior of the machine tool. The honing machine provided by the invention has the functions of splashing prevention, sound insulation, venting and the like, and can meet the requirements of the honing machine on safety and environmental protection.

The invention provides a base station air conditioner control system based on a communication network. The base station air conditioner control system comprises a base station environment monitoring module, a communication network transmission module, a base station air conditioner control module and a display module. The base station environment monitoring module is used for collecting the environment temperature and the environment humidity in a base station, temperature data of a plurality of equipment air inlets and original operation data of an air conditioner; the communication network transmission module is used for transmitting the data; and the base station air conditioner control module processes the collected temperatures of the multiple equipment air inlets to obtain the comparison result, sends out an air conditioner control instruction according to the comparison result, screens the temperature, the humidity, the temperature data of the equipment air inlets and the original operation data to obtain target operation data, calculates the current energy efficiency ratio of the air conditioner according to the target operation data and transmits the current energy efficiency ratio of the air conditioner to the display module. Manual intervention is not needed, the indoor temperature is adjusted according to the minimum value of the collected temperature values, and the air conditioner is controlled according to the actual situation, so that the energy saving efficiency is improved, and the current energy efficiency ratio of the air conditioner can be further monitored and displayed in real time.

The invention discloses a hydraulic lifting platform of a coal mine full-mechanized mining face, belongs to the technical field of hydraulic supporting, and overcomes the deficiencies of the prior art. The hydraulic lifting platform provided by the invention has the advantages of simple structure, fast installation, capability of walking and high reliability. To solve the technical problem, the technical scheme adopted by the invention is that the hydraulic lifting platform comprises a scrapping plate conveyor, a running mechanism capable of moving side to side along the scrapping plate conveyor is arranged on the scrapping plate conveyor, a lifting mechanism capable of moving up and down relative to the running mechanism is arranged on the running mechanism, and an operation platform is arranged on the lifting mechanism. The hydraulic lifting platform is mainly used for normal maintenance operation of a large mining height support.

The invention relates to a planet differential starter, used in the oil field pump. It comprises an output axle, a belt wheel, a bank, and a planet element. It is characterized in that: the bank comprises a transmission device, a planet device, a clutch device and a control device. Said transmission device comprises a gear axial sleeve, a output axle, a bearing, a sliding support, a inner tooth ring, a transmission hub and guide bolt. Said control device comprises a control axle, a handle, a connecting block, a support post, a revolving ring and a brake claw. Said clutch device comprises a spring core axle, a spring base, a spring and a compressing ring. And the planet device comprises a planet wheel support, a planet wheel, a claw wheel, and a planet wheel axle. The invention uses differential start, therefore, the motor with small power can be used, and it can save electricity, cost and non-working power consumption, with easy maintenance and long service life.

The invention discloses an agricultural greenhouse linkage tracking photovoltaic stent and a photovoltaic power generation system, which belongs to the technical field of photovoltaic power generation equipment. The stent comprises a column stent, a driving mechanism, guide rails and a component unit. The column stent is arranged above an agricultural greenhouse. The height of the column stent is slightly higher than the height of the agricultural greenhouse. The guide rails are fixed on the column stent. The component unit is arranged across two adjacent guide rails, and comprises a component frame, a sliding part and a connecting rod. The sliding part is arranged in the guide rails. One end of the connecting rod is hinged with the sliding part. The other end is hinged with the component frame. The driving mechanism is applied to the sliding part of the component unit. When the photovoltaic stent is used, the connecting rod is pushed to hold up or lay the component frame. According to the invention, the design thought of wind hiding and the theory of bionics are used; in one minute, the component unit automatically lays down, so that the windward surface is small and the wind resistance is reduced to ensure the safety of the stent, the system and the agricultural greenhouse; loss caused by the disaster is avoided; and the stent and the system have the advantages of simple structure, reasonable design and easy manufacturing.

The invention belongs to the design technology of aircraft mechanical systems, and relates to an installation structure of air cylinders on board an aircraft. The utility model relates to an aircraft gas cylinder horizontal direction single clamp installation structure, which is composed of a gas cylinder, a front support, a rear support and a clamp. The neck of the gas cylinder is firmly supported by the front bracket and clamped to prevent its displacement. The bottom of the gas cylinder is limited by the rear bracket with wrapping function to prevent its axial and circumferential displacement. After the gas cylinder is pushed into the rear bracket, the gas cylinder can be clamped on the front bracket with a clamp. When disassembling, it is only necessary to loosen the clamp on the front bracket, and the gas cylinder can be directly pulled out from the bracket.

The invention discloses a servo driving system based on wireless communication. The servo driving system comprises a main control chip, a power module, a motor, a wireless communication module and terminal debugging equipment. The power module is connected between the main control chip and the motor, the main control chip is used for sending a control command to the power module, and the power module drives the motor to operate according to the control command; the wireless communication module is connected to the main control chip, the terminal debugging equipment establishes wireless communication with the wireless communication module, and the terminal debugging equipment performs data debugging on the main control chip in a wireless communication mode through the wireless communicationmodule. The system has a wireless communication function, data debugging can be carried out based on a wireless communication mode, the working efficiency of the debugging personnel can be improved,and daily maintenance work is facilitated.

The invention belongs to the technical field of abandoned coal mine underground space utilization, and discloses an investigation, detection and reinforcement method for reuse of an abandoned mine main roadway. The general position of abandoned coal mine is determined, and after the general position is determined, the specific position of the abandoned coal mine is determined; the current situation of the roadway is explored and evaluated, the two ends of the roadway are blocked according to an evaluation result to create a closed roadway, and the roadway is remedied; after remedying is completed, the usability of the roadway is reevaluated; and after the reevaluation is qualified, the abandoned roadway is reused. The investigation, detection and reinforcement method for reuse of the abandoned mine roadway, which takes physical exploration as a main means, is used for standardizing and unifying the investigating and evaluating process before the reuse of the abandoned mine roadway, so that the construction safety in the reuse process of the mine main roadway can be better ensured, and the daily maintenance work after the construction is finished and the mine roadway is put into use is more convenient.

The invention relates to a quick locker for a motor junction box, and the quick locker comprises a housing covering a junction box base, a locking device corresponding to a junction box screw hole isarranged at the bottom of the housing; the quick locker is fixed on the junction box under the action of the locking device; an elliptical rotary table is horizontally arranged in the housing; the elliptical rotary table is fixed in the housing through a fixing rod; the upper end of the fixing rod extends out of the housing and then is provided with a manual rotating wheel; the manual rotating wheel is connected with the elliptical rotary tables, the manual rotating wheel can rotate relative to the fixing rod, the elliptical rotary tables located at the two ends of the long shaft are connectedwith the locking device through the pull wires, the pull wires are pulled in and loosened by rotating the elliptical rotary tables in the forward direction or the reverse direction, and therefore thejunction box is locked and unlocked by the locking device. According to the invention, the junction box can be opened and closed quickly without any tool, so maintenance personnel can disassemble andconnect wires of the motor quickly, and daily maintenance work is facilitated.

The invention relates to a natural gas pipeline leakage detection technology, in particular to a natural gas pipeline leakage rapid detection system. The natural gas pipeline leakage rapid detection system involves a gas collecting device, a gas conveying system and a carbon dioxide content detection device, wherein a cavity is formed in the gas collecting device, and a gas inlet hole and a firstgas outlet hole which communicate with the cavity are formed in the gas collecting device; an input end of the gas conveying system communicates with the gas inlet hole; and the carbon dioxide contentdetection device communicates with the first gas outlet hole. The system has the advantages of being reasonable and simple in structural design, safe, convenient, scientific and effective, capable ofrapidly judging the property of measured gas, and providing a scientific decision basis for emergency rescue work in the next step, the production cost is low, the installation is rapid and convenient, the flexibility is high, the carrying is convenient, the purity of the sample gas is high, and the detection result is accurate.

The invention provides an auxiliary transformer cabinet draught fan comprising a machine shell assembly, an air inlet, an impeller, an air outlet and a power source. The machine shell assembly is of abox-shaped shell structure formed by a machine shell cover plate, machine shell side plates and a machine shell bottom plate. An installation opening used for installing the air inlet is formed in the machine shell cove plate. At least two air outlets are formed in the machine shell bottom plate. The windward side of the air inlet is an arc-shaped face. The impeller is arranged in the box-shapedshell structure and is of a backward centrifugal type impeller structure. The impeller comprises a front wheel disc and blades. The surface of the end, close to the air inlet, of the front wheel discis an arc-shaped face. The blades are arc-shaped blades. When the draught fan is applied, the effect that the structure is simplified is achieved. By means of the unique design of the four parts, namely, the machine shell assembly, the air outlet, the air inlet and the impeller, the internal flow field of the draught fan can be well optimized, gas flow can be smoother, the overall work efficiencyof the auxiliary transformer cabinet draught fan can be better improved, generation of eddy noise can be well reduced, and the aims of energy conservation and noise reduction are achieved.

The invention provides a stamping device with cloud platform control. The stamping device comprises a battery, a compression spring, a seal, a control main board and a data port; the battery is arranged on the inner upper side of an outer layer in a sleeving mode, and the control main board is arranged on the right side of the battery in an electrically connected mode; the compression spring is arranged on the inner side middle portion of the outer layer in a sleeving connected mode, and the seal is arranged at the lower end of the compression spring in a pressing connected mode; an inner layer is arranged on the outer side of the seal in a clearance fit connected mode; and the data port is arranged on the left side upper portion of the outer layer in an embedded connected mode, and the data port is electrically connected with the control main board. The stamping device has the advantages of excellent structure, high practicability, high degree of automation, good protection, safety and reliability by the structural improvement and combined with the prior art, the problems and deficiencies which are existed in an existing device are effectively solved, and more practicability is achieved.

The invention discloses a lifter special for a coal mine. The lifter comprises a conveying mechanism, a walking mechanism, a lifting mechanism and a controller for controlling the walking mechanism and the lifting mechanism. The walking mechanism does left-and-right motion along the conveying mechanism at the bottom end, the lifting mechanism moves up and down along the walking mechanism, a work platform is arranged at the top end of the lifting mechanism, the walking mechanism comprises a driving gear and a fixed frame, a hydraulic motor in transmission with the driving gear is arranged on a support, and the driving gear is meshed with a rack on the conveying mechanism. The lifting mechanism comprises a jack and a lifting connecting rod, and the jack is arranged in the lifting connecting rod. The lifter for the coal mine is simple in structure, fast in mounting and high in reliability, and important significance is achieved on the normal operation of a large mining height work face and the improvement of production efficiency.