34results about How to "Simple and convenient work" patented technology

An electric pruner includes a housing, a motor accommodated within the housing, a transmission mechanism, a movable blade, and a fixed blade extending from the front end of the housing. The fixed blade is fixedly mounted on the housing, and the movable blade is rotatably connected to the fixed blade via a shaft and driven by the motor via the transmission mechanism. A locking device manually operable by the user is arranged n the shaft for locking the movable blade, the locking device being switchable between a first position where the movable blade is locked to stay connected with the transmission mechanism and a second position where the movable blade is releasable from the transmission mechanism. Thus, the replacement of the movable blade is very simple and convenient.

An electric pruner includes a housing, a motor accommodated within the housing, a transmission mechanism, a movable blade, and a fixed blade extending from the front end of the housing. The fixed blade is fixedly mounted on the housing, and the movable blade is rotatably connected to the fixed blade via a shaft and driven by the motor via the transmission mechanism. A locking device manually operable by the user is arranged on the shaft for locking the movable blade, the locking device being switchable between a first position where the movable blade is locked to stay connected with the transmission mechanism and a second position where the movable blade is releasable from the transmission mechanism. Thus, the replacement of the movable blade is very simple and convenient.

The invention discloses a special calibrating apparatus for an automobile exhaust telemeter. The special calibrating apparatus for the automobile exhaust telemeter comprises a standard gas ventilating part, and a standard gas tank part, wherein the standard gas tank part comprises a cavity with openings in two edges; a light path can pass through the positions of the openings in the two edges; an air inlet and an air outlet are formed in the cavity; movable cover bodies capable of sealing the cavity are arranged on the openings in the two edges of the cavity; the cover bodies are respectively connected with the cavity through a pivot shaft; a connector is fixedly arranged on each cover body; the connectors are movably connected with an connecting rod through rotating shafts; the connecting rod is arranged on an adjustable electromagnetic relay; and the detachable standard gas ventilating part is arranged on the air inlet. The problem of testing whether the detection result of the automobile exhaust telemeter is accurate is solved. Thus, the detection accuracy of the telemeter is greatly improved; and the work of the telemeter can be brought into the range of metrological verification.

Disclosed is a thermal adhesive tape, in which a conductor that generates heat by a high frequency wave is disposed in the middle of the thermal adhesive tape to thereby improve productivity and give strong adhesive strength while thermally adhering materials having a low thermal conductivity with each other. The thermal adhesive tape for a portable terminal, includes a heated sheet made of a conductor; a first melting sheet adhered to one face of the heated sheet; and a second melting sheet adhered to the other face of the heated sheet, wherein the first and second melting sheets are made of a polyester composition, the heated sheet is made of aluminum or copper, and the first and second melting sheets are melted upon heating of the heated sheet by a high frequency induction to adhere the case and the LCD cover with each other.

The invention relates to an electric automobile built-in battery box rapid dismounting and mounting method. The key of the method is to realize stability of a track surface in a battery box dismounting and mounting process. The method comprises the following steps: a, extracting special-purpose tools on a fully loaded battery box; b, carrying out automobile positioning operation; c, performing empty rail plane fine adjustment butt joint; e, dismounting an insufficient-voltage battery box; f, carrying out butt joint between a fully loaded guide rail and a vehicle battery box guide rail; and g, pushing the fully loaded battery box to a vehicle guide rail. The method provided by the invention is simple, the track butt joint is accurate, and charging is fast and safe.

The invention discloses an unmanned automatic marking apparatus adopting remote control for a highway and a control method of the unmanned automatic marking apparatus and belongs to the technical field of road marking equipment. The technical scheme is characterized in that on the basis of manual marking, a PLC (programmable logic controller) is adopted to control the marking apparatus to work, so that the marking apparatus can complete work such as driving, returning, marking and the like on the highway automatically, and the whole process only requires manual remote monitoring. According to the invention, a reference object is not required to be erected in advance, the work is simple and fast, the problems that the working efficiency of a worker is low and the worker is easily fatigued and has errors are solved, the job progress can be accelerated greatly, the whole marking process only requires manual monitoring through a host computer, the worker is not needed to work under the harsh condition, and accordingly, the worker injury is reduced greatly; the marking apparatus is simple to operate, has low technological requirements and reduces labor cost, thereby reducing the operation cost.

The invention discloses an eight-core optical fiber multiplexing and demultiplexing device and a preparation method thereof, belonging to the field of optical transmission devices. Holes are punched on a pure silica solid rod according to the core distribution of the eight-core optical fiber to be matched, and the punched The solid rod with the holes completed is drawn to prepare an eight-hole capillary glass sleeve, and the eight single-core optical fibers are inserted into the cleaned eight-hole capillary glass sleeve one by one, and the first tapering is performed so that the eight single-core optical fibers are The eight-hole capillary glass sleeve is fixed; the second taper is performed to make the geometric size of the capillary glass sleeve and the eight single-core optical fiber bundles smaller until the geometric distribution and size of each single-core optical fiber bundle at the taper waist are the same as those to be matched. The geometric distribution and size of the eight-core optical fiber are the same; it is cut at the waist of the cone and aligned with the eight-core optical fiber to be matched. After fusion, all the bare fiber parts are packaged. Realize low insertion loss and low crosstalk connection between eight single-core optical fibers and a single eight-core optical fiber, and realize multiplexing and demultiplexing of optical signals in eight-core optical fibers.

The invention discloses an exhibition display board device, which relates to the field of exhibition facilities, and comprises a hanging rail, and a multi-connected board is slidably connected under the hanging rail; The second display boards are all rotatably connected with sliding parts that are slidably arranged in the suspension rails. Aiming at the problem of inflexible movement in the prior art, the present invention uses the sliding structure of the multi-joint board and the hanging rail to push the multi-joint board and change the position of the multi-joint board in the exhibition room, thereby making the work of rearranging the exhibition room space easier. Easy and convenient.

The invention discloses an accumulated water corrosion prevention blind plate capable of being quickly opened and closed. The blind plate mainly comprises a supporting rocker arm, a flange blind cover, a lifting screw, a locking ring, a guard ring, an elastic lock rib and a rotating arm which are mounted on a flange blind seat. The blind plate is structurally characterized in that an inverted cone-shaped annular groove equipped with the flange blind cover is arranged inside the flange blind seat to form a conical surface sealing pair structure; the locking ring and the guard ring are embedded in the flange blind cover to form a blind cover locking structure; a group of water seepage holes are formed in the flange blind seat; and large areas of the locking ring and the guard ring are exposed under the working condition that the blind cover is guaranteed to be tightly locked, so that impurity cleaning and maintenance operation are facilitated, and even though connecting bolts are blocked due to corrosion, the blind plate can be opened through manually levering the locking ring. The blind plate has the prominent advantages that the structure is simple, the production cost is low, the mounting and utilization are convenient, the accumulated water drainage effect is good, the corrosion resistance is high, the opening operation is easy and effort-saving, the operation is reliable, the sealing performance is good, the operation is stable, and the service life is long, and the blind plate has quite good application prospect.

The invention discloses an automatic cancellation device for induction well logging direct coupling signals, which implements the cancellation of direct coupling signals by means of internal feedback compensation and cancellation in a signal processing circuit. The present invention realizes the orthogonal separation of the received composite signal through the digital phase-sensitive detection technology DPSD, and according to the magnitude and phase correspondence of the real part and the imaginary part, the FPGA programmable gate array module controls the DDS digital frequency synthesizer to output one and the reference signal The reverse compensation signal with similar amplitude is superimposed with the composite signal, and the direct coupling signal and the feedback compensation signal are subtracted to cancel each other out, and finally the remaining secondary induction signal is extracted to participate in the conversion of the final conductivity. The method automatically realizes the cancellation of the direct coupling signal through a software algorithm, saves the hardware structure of the compensation coil, does not need to be calibrated, has strong practicability and better reliability.

The present invention proposes a lower line bracket, which includes a base for fixing to the wall and a line box connected to it by a support rod, the line box includes an upper line box and a lower line box, and the upper line box and the lower line box To cooperate with each other for installation and use, there are through grooves on the installation corresponding surfaces of the upper wire box and the lower wire box, and the opening ends of the through grooves are used in cooperation with each other. The invention can distribute the cables neatly and regularly, and fix them stably on the wall, and is suitable for fixing single or multiple independent cables and bundled wires. The installation and post-maintenance work is simple and convenient, and the construction period is greatly shortened. ; Let the household cables become neat and orderly, and the overall vision becomes beautiful and beautiful.

The invention relates to a quick central-positioned battery box assembling and disassembling system for an electric automobile, which belongs to the technical field of electric automobile accessories. The system comprises an automobile limiting platform, a transfer carriage as well as a transfer frame, a battery box and a matched driving structure, wherein the transfer carriage is matched with the automobile limiting platform and a battery box charging cabinet; the transfer frame, the battery box and the matched driving structure are arranged on the transfer carriage; and the battery box is arranged in the transfer frame. The quick central-positioned battery box assembling and disassembling system for the electric automobile is characterized in that a locking device for an electric automobile bottom plate is arranged on the limiting platform; a storage and transfer guide rail plane joining coarse-adjusting device is arranged at a charging station and on a battery box transfer track; a storage and transfer guide rail self-correcting and joining combined mechanism is arranged at the front end of the battery box transfer frame and forms a storage and transfer guide rail plane joining fine-adjusting device by means of the promoting of a control circuit and the coordination of a joining guiding part arranged on the electric automobile; and a track wheel and a roll arranging mechanism, which are arranged on the transfer carriage, form a storage and transfer guide rail plane adjusting mechanism on the battery box transfer frame. The quick central-positioned battery box assembling and disassembling system for the electric automobile, provided by the invention, has the advantages of simple structure, easy operation, high automation degree and high changing speed.

This invention relates to a garden sound automatic play device and a method, in which, a base, a support, a lower shell, a reflection cover, a connecting piece, a decoration ring, a middle shell, a upper shell and a diffusing cover are soldered orderly, the middle shell and the player are fastened together and plugged in a lamp, a battery, a decoder, a reader, a microcomputer, a flash memory, a remote controller, a detector, a sensor, a converter, an amplifier, a processor, a loudspeaker are inserted in the shell , the battery is connected with the decoder and the amplifier, the decoder is connected with the reader, the converter and the microprocessor, which is connected with the flash memory, the remote controller, the detector, the sensor and the lamp, the converter is connected with the amplifier, which is connected with the processor and the loudspeaker, the playing method is that human body signals pass through the detection, sensing, control, instruction, flash memory, decode, read, conversion, amplification, process and played by the loudspeaker to be stopped when the person leaves and the lamp is turned off.