31results about How to "No power supply required" patented technology

The invention discloses a remote automatic monitoring system for subgrade settlement. The system comprises a monitoring terminal, an optical fiber sensing terminal and a transmission optical cable, wherein the transmission optical cable is connected with the optical fiber sensing terminal and the monitoring terminal; the optical fiber sensing terminal comprises an optical divider, an optical fiber displacement encoding device, a shell and a transmission device; the optical divider, the optical fiber displacement encoding device and the transmission device are arranged in the shell; and the optical divider is connected with the optical fiber displacement encoding device. By the optical fiber sensing terminal and the transmission device, the displacement of the subgrade settlement is converted into an optical code transmitted along an optical fiber, the optical code is remotely transmitted to the monitoring terminal through the transmission optical cable, and is subjected to operation such as photo-electric conversion, analysis processing, storage, display, alarm and the like in the monitoring terminal, and the subgrade settlement is remotely and automatically monitored in real time finally; and the remote automatic monitoring system is applied to the field of monitoring of subgrade settlement under complicated terrains and severe natural environments.

The invention discloses a water feeding device suitable for animal husbandry industry in a karst region and a method of using the same. The water feeding device comprises a water tank and a drinking trough, the bottom of the water tank is provided with a water inlet communicated with the drinking trough, an outflow rubber plug movable up and down is arranged in the water inlet, a connecting cord that is connected to the outflow rubber plug is passed around two fixed pulleys disposed on the drinking trough and the water tank and is connected to a first floater, the first floater floats on water in the drinking trough, and the water tank is also connected with a mechanical automatic water supplement device. The outflow rubber plug and the first floater enables mechanical automatic water supplement for the drinking trough, less manual observation is required, no electricity supply is required, energy use is more economical, labor cost is lower, water interruption due to power outage is avoided, water supply is more continuous, the structure is simple, the cost is low, water supplement is more time-saving and labor-saving, and automatic water supplement also allows for saving of water resource; the water feeding device also has the advantages of simple structure, low cost and good convenience in manufacture, use and maintenance.

The invention discloses a mechanical limit device and a mechanical limit method. By arranging a slip mechanism, the slip direction of which is controllable, between an input shaft and a transmission mechanism, adding a trigger mechanism to trigger the slip mechanism to slip in different directions, and carrying out action association on the trigger mechanism and an output shaft, after the output shaft outputs preset quantity, the trigger mechanism triggers the slip mechanism to enable slip to occur between the input shaft and the transmission mechanism, and the output shaft stops rotating. The device is in a pure mechanical structure design, and does not need electronic components of sensors and the like, so that power supply is not needed; the mechanical limit device adopts an idea of association arrangement of the trigger mechanism and the output shaft, thereby realizing driving the trigger mechanism to trigger the slip mechanism to realize limit by utilizing rotation of the output shaft itself; and during slip, even if the input shaft continues to input in the same rotation direction, the output shaft no longer rotates, thereby realizing fuzzy input and quantitative output.

The invention discloses a cleaning device for an environment-friendly construction waste conveying pipeline. The cleaning device comprises a push rod, an engine, a wire winding disc and a cleaning head, the bottom of the engine is fixed on a supporting frame, the push rod is fixed at the left end of the supporting frame, and a bottom box is fixed at the bottom of the supporting frame; a water pumpis arranged on the left side of the interior of the bottom box, and furthermore, an input shaft on the water pump is connected with an output shaft on the engine; a water inlet pipe is connected to an water inlet in the left side of the water pump, and a water outlet in the right side of the water pump is connected with a cleaning pipe; and a support is fixed on the upper part of the right side of the supporting frame, the wire winding disc is installed on the support, a cleaning pipe main body is wound around the wire winding disc, and the right end of the cleaning pipe is provided with thecleaning head. According to the cleaning device for the environment-friendly construction waste conveying pipeline, the push rod, the engine, the wire winding disc and the cleaning head are arranged,so that the problems that the inner wall of a construction waste conveying pipe is inconvenient to clean, and the water spraying dead angle occurs when the cleaning pipe sprays water to the conveyingpipe are solved.

The present invention provides a microbial time temperature indicator used for table grape quality perception, which includes a container, the container contains an evenly-mixed microorganism microbial broth, a growth medium and a pH indicator; the microorganism is Lactobacillus paracasei bacilli; the growth medium is MRS bouillon culture-medium; and the pH indicator is bromocresol green. The activation energy of the time temperature indicator is close to the activation energy of fruits and vegetables, can be used to monitor quality changes of the fresh fruits and vegetables in cold chain logistics, and in particular, can be used for accurate quality perception and monitor of table grapes.

The invention discloses workpiece quenching equipment and a process thereof. The workpiece quenching equipment comprises a quenching pond. A quenching liquid box is arranged above the quenching pond, a fixed shaft is arranged below a partition plate, two rotating rods are movably arranged on the fixed shaft, a driving gear is fixedly arranged at the center of one of the rotating rods, and the center of a driven bevel gear is fixedly connected to a bevel gear base through a transmission rod; the quenching pond communicates to a hot liquid box through a communicating pipe I, and the hot liquid box communicates to a cold liquid box through a communicating pie II; the hot liquid box communicates to the quenching liquid box through water return pipe I, and the cold liquid box communicates to the quenching liquid box through a water return pipe II. The invention provides the workpiece quenching equipment which can achieve a quenching effect of quickly cooling the workpiece at a high temperature and slowly cooling the workpiece at a low temperature, meets the latest research conclusion and improves the strength and hardness of the workpiece effectively. The invention also discloses the process based on the workpiece quenching equipment. The process is simple to operate, good in product quality and quite worth being popularized.

The invention relates to a swing type spike spinning extractor, and belongs to the field of railway construction. A pull-out clamping groove is included. A groove body of the pull-out clamping grooveis narrow in the lower portion and wide in the upper portion and is in a stepped groove shape, the upper portion of the groove body of the pull-out clamping groove is matched with a spike cap of the spike, the lower portion of the groove body is matched with a spike body of the spike, the width of the lower portion of the groove body is consistent with the width of the spike body, and a thicknessof the lower portion of the groove body is smaller than a distance between a nail cap and a sleeper. The upper end of the groove body of the pull-out clamping groove is hinged to a lever through a pinshaft, after the pull-out clamping groove is matched with the spike, the axis of the pin shaft is perpendicular to and intersects with the center line of the spike, and a pedal is fixed to the tail end of the lever. The spike is pulled out by means of self-weight and swing of a human body, the operation process is very safe and labor-saving, a pillow surface is not damaged, electric power supplyis not needed, the use cost is extremely low, and a construction period is greatly shortened.

The invention provides a continuous extraction device and method for traditional Chinese medicine raw materials, the continuous extraction device comprises a pretreatment mechanism for breaking holes in medicinal materials and at least one group of extraction units, and each extraction unit comprises a high-pressure infiltration mechanism and a low-pressure extraction mechanism located below the high-pressure infiltration mechanism; a first discharge port of the high-pressure soaking mechanism is communicated with a second feed port of the low-pressure extraction mechanism through a first pipeline, a first valve is arranged at the first discharge port of the high-pressure soaking mechanism, and a second valve is arranged at the second feed port of the low-pressure extraction mechanism. The device can better extract non-powdery herbs at a lower temperature, in addition, due to the control of the temperature and the time, the extraction temperature does not reach 100 DEG C in the extraction process, and pasteurization is performed on liquid medicine while more medicine properties are kept.

The invention relates to a cold mat system for protecting a buried object in a permafrost area, and a construction method of the cold mat system. The cold mat system comprises an energy storage cooling box, and further comprises an air feeding channel and an air discharging channel which are formed in the top of the box and communicate with the box; the energy storage cooling box is used for beingarranged on a frozen soil layer and placed below the to-be-protected buried object, and the top of the energy storage cooling box is not lower than the frozen soil upper limit; and the air feeding channel and the air discharging channel are located in the two sides of the to-be-protected buried object, and the tops of the air feeding channel and the air discharging channel are both higher than the ground surface and communicate with the natural atmosphere. When the cold mat system is applied, the shape and size of the cold mat system adapt to those of the to-be-protected buried object, the overall and even temperature control effect can be provided for the to-be-protected buried object only through natural resources in the natural environment, thus frozen soil on the periphery of the to-be-protected buried object is always in a stable low-temperature state, the phenomena of frost heaving in the cold season and thaw collapse in the warm season are effectively prevented, and the problems of differential frost heaving and thaw collapse of the buried object in the frozen soil area, especially in linear engineering are fundamentally solved.

The invention discloses a double-deck bicycle frame. The double-deck bicycle frame comprises a framework, multiple upper-deck bicycle frames, multiple straight-type lower-deck bicycle frames and multiple upturned type lower-deck bicycle frames. The multiple upper-deck bicycle frames, the multiple straight-type lower-deck bicycle frames and the multiple upturned type lower-deck bicycle frames are fixed to the framework, the multiple upper-deck bicycle frames, the straight-type lower-deck bicycle frames and the upturned type lower-deck bicycle frames are arranged in an intersected mode, and thebottom of the framework is fixed to the ground. The double-deck bicycle frame has the beneficial effects that the parking number of bicycles can be increased in the same area, meanwhile the bicycles can be orderly parked, management is convenient, and the street surface is improved; a system is automatically formed, disassembly and transportation are convenient, power supply is unnecessary, and the subsequent operation and maintenance costs are low; and the situations that an existing sidewalk parking area is scarce and parking is disordered can be effectively relieved. Through a staggered arrangement of the up-down positions and staggered arrangement of the left-right space of parking of the bicycles, the largest and orderly bicycle parking in a unit area is achieved conveniently.

A coach air conditioner air outlet mechanism convenient to adjust comprises a coach body (9), an angle adjusting piece (8) of which the air blowing direction is adjustable, and a locking piece (6), wherein the angle adjusting piece (8) is rotatably supported by a coupling rod (96) which is fixedly arranged on the coach body (9); and the angle adjusting piece (8) comprises an air guide plate (81), an arc cover plate part (82) and an angle adjusting gear part (83), wherein a ventilating slot (80) is formed in the air guide plate (81), the arc cover plate part (82) is fixedly connected with the lower part of the air guide plate (81), and the angle adjusting gear part (83) is fixedly connected with the upper part of the air guide plate (81). The coach air conditioner air outlet mechanism convenient to adjust has the advantages that the overall operation is reasonable and reliable and problems in the prior art can be effectively solved.