34results about How to "Accurate and convenient installation" patented technology

A surveillance camera including a housing, a monitoring lens and at least a light beam sight is provided. The monitoring lens is fixed in the housing and faces a monitoring direction. The light beam sight is fixed to the housing and disposed nearby the monitoring lens. The light beam sight is adapted to emit a light beam along the monitoring direction. The light beam is adapted to provide an image fixing position for monitoring lens to fix on an image.

The invention discloses a device for quickly replacing battery lead plates. The device comprises a clamp for clamping the battery lead plates, and a comb-shaped positioning plate for positioning the battery lead plates, wherein the clamp comprises two clamping plates which are matched with each other, and the top ends of the two clamping plates are connected with each other through a connecting piece. The device is simple in structure and is convenient for supporting use, so that a plurality of battery lead plates in a battery compartment can be drawn out and replaced together, and can be accurately and conveniently clamped during replacement, thus the time for replacing the battery lead plates is greatly reduced, and the working efficiency is increased.

The invention relates to the field of electric telescopic tools, and discloses an electric push rod. The rod comprises an outer tube, an inner tube, a screw, nuts and a driving piece, wherein the twoends of the outer tube are correspondingly provided with a base and an end cover, the screw is arranged in the outer tube, the two ends of the screw are rotationally connected with the base and the nuts correspondingly, the inner tube is coaxial with the screw, one end of the inner tube penetrates into the outer tube from the end cover and is arranged outside the screw in a sleeve mode, the nuts are arranged on the inner tube, the inner tube and the outer tube are in clamped connection in the rotating direction, the driving piece is used for driving the screw to rotate, the nuts comprise a main nut and an auxiliary nut, the auxiliary nut is provided with an inserting hole, the end part, facing the auxiliary nut, of the main nut is inserted into the inserting hole, a gap is reserved betweenthe end surface and the bottom surface of the inserting hole to form an oil storage cavity, the end surface, away from the main nut, of the auxiliary nut is provided with a communicating hole, the inner wall of the communicating hole is provided with an inner thread, the screw is inserted into the communicating hole and is in threaded connection with the main nut, and the screw is in threaded connection and is tightly matched with the internal thread. The rod has the advantages of good lubrication cooling effect and long service life.

The invention belongs to the field of printing equipment, and relates to a printing printer with a table board capable of being replaced and the convenient-to-replace table board. The convenient-to-replace table board comprises a bearing top plate, a middle supporting plate, the elastic clamping assembly which is clamped between the bearing top plate and the middle supporting plate, a positioningbottom plate, a bottom supporting plate and the like. According to the printing printer capable of replacing table board and the convenient-to-replace table board, the ingenious structural design is adopted, so that the traditional structure of integration and not-easy-to-replaced feature of the table board and a machine is subversive changed, so that the table board is easy to replace and accurate and convenient to install; through the table board, clamping operation of clothing waited printing materials can be completed on a workbench other of the machine in advance; and after printing of the printer is completed, the table board is replaced, then next printing can be directly carried out, so that the non-working state of the printing printer is greatly saved, and the working efficiencyis greatly improved.

The invention relates to a stiff structure beam-column joint area endless steel plate type stirrup and a construction method thereof. The stiff structure beam-column joint area endless steel plate type stirrup comprises a vertically-arranged section steel column and cross beams horizontally arranged on the four side faces of the section steel column, a threaded column is horizontally arranged on a web of each cross beam, a stirrup structure is arranged between the threaded columns on every two adjacent cross beams, the stirrup structure comprises an L-shaped connecting rib plate, threaded ends arranged at the two ends of the connecting rib plate and threaded sleeves connected to the threaded ends in a threaded mode, and the two threaded sleeves are connected to the threaded columns of the two cross beams in a threaded mode at the same time. Steel bar welding is replaced by threaded sleeve connection, so that the welding process is easier, the construction convenience is improved, the threaded sleeve structure is more stable and firm, and the construction quality is improved.

The present application relates to a steel plate type stirrup with ring belt in the joint area of ​​a rigid structure beam and column and its construction method. Threaded columns are arranged horizontally on the board, and a stirrup structure is provided between the threaded columns on two adjacent beams. The stirrup structure includes L-shaped connecting ribs, threaded ends arranged at both ends of the connecting ribs, and threaded connections. The threaded sleeves on the threaded ends, the two threaded sleeves are respectively and simultaneously threaded on the threaded columns of the two beams. In this application, threaded sleeve connection is used instead of steel bar welding, which makes the welding process easier, improves construction convenience, and the threaded sleeve structure is more stable and strong, improving construction quality.

The invention relates to the field of electric telescopic tools, and discloses an electric push rod, which includes an outer tube, an inner tube, a screw, a nut and a driving part. The two ends of the outer tube are respectively provided with bases and end covers, and the screw rod is arranged in the outer tube. The ends are respectively connected to the base and the nut in rotation, the inner tube is coaxial with the screw, one end of the inner tube penetrates into the outer tube from the end cover and is sleeved outside the screw, the nut is set on the inner tube, and the inner tube and the outer tube are in the direction of rotation Clamping, the driving part is used to drive the screw to rotate, the nut includes a main nut and an auxiliary nut, the auxiliary nut is provided with a socket, the end of the main nut facing the auxiliary nut is inserted into the socket, and there is a gap between the end surface and the bottom surface of the socket, An oil storage chamber is formed, and the end surface of the secondary nut facing away from the main nut is provided with a communication hole, the inner wall of the communication hole is provided with internal teeth, the screw rod is inserted into the communication hole and threaded with the main nut, and the screw rod and the internal tooth thread are connected and closely matched. The invention has the advantages of good lubricating and cooling effect and long service life.

The invention relates to a transmission device and a door and window structure. The transmission device comprises a housing which is provided with a stripy hole, a transmission part, a driving assembly and an adjusting assembly, wherein the driving assembly comprises a driving part which is rotatably penetrates the stripy hole and can slide in the extending direction of the stripy hole; the adjusting assembly comprises a moving part, and an adjusting part which is connected to the moving part; the moving part is stored in the housing, and the adjusting part passes through the housing and can move in the first direction which is vertical to the extending direction of the stripy hole; one of the moving part and the driving assembly is provided with a connecting part, and another one is provided with a stripy groove which is obliquely arranged relative to the extending direction of the stripy hole; the connecting part passes through the stripy groove and can slide along the stripy groove;the moving part can be driven by the adjusting part to move in the first direction, so that the driving part can be driven by the moving part to slide along the stripy hole. With the adoption of thetransmission device, the location of the driving part can be conveniently adjusted to fit a plurality of sections with different size.

The invention discloses a crankshaft rotor assembly, a compressor and an air conditioner. The air conditioner comprises the compressor, the compressor comprises the crankshaft rotor assembly, the crankshaft rotor assembly comprises a crankshaft, a rotor and a lining, the crankshaft comprises a long shaft section, the upper portion of the long shaft section is a circular truncated cone body, the interior of the lining is in a circular truncated cone shape matched with the circular truncated cone body of the crankshaft, the rotor is provided with a mounting hole, and the lining is arranged outside the crankshaft in a sleeving mode and is in interference fit with the mounting hole of the rotor. The lining is additionally arranged between the crankshaft and the rotor, extrusion of the lining and the circular truncated cone face of the crankshaft is facilitated, the lining is expanded, and therefore tight combination among the crankshaft, the bush and the rotor is achieved. The method can reduce the precision requirements on the outer diameter of the crankshaft and the inner diameter of the mounting hole of the rotor, is easier to process, and has the advantages of high efficiency and low cost.

A MEMS piezoelectric sensor for measuring the curvature of the detonation wave front of a micro-scale charge, including a base, on which a lower output electrode and a lower pad are sputtered, and the lower output electrode and the lower pad are connected by a lower wire to form a lower layer Output layer; the lower output layer is spin-coated and cured to form a PVDF-TrFE film layer, and the PVDF-TrFE film layer is polarized in a silicon oil bath, and the PVDF-TrFE sensitive element is obtained by ion etching to form a PVDF-TrFE piezoelectric layer; PVDF ‑TrFE piezoelectric layer is sputtered with an upper output electrode and an upper pad, and the upper output electrode and the upper pad are connected by an upper wire to form an upper output layer; the lower and upper output electrodes are arranged in an axially aligned manner; the lower, The upper layer pad adopts the vertical layout method connected by the lower layer wire and the upper layer wire; the upper layer output layer is coated with a protective layer; the sensor has the characteristics of small size of sensitive element, high precision, multi-point acquisition, etc., and is suitable for various test conditions Measurement of curvature of detonation wave fronts under microscale charges.

A processing device for ultrasonically grinding sapphire lenses, including a support (18) and an ultrasonic vibration loading system, the support (18) is provided with a workbench (17) and a machine bed (2), and the machine bed (2) is There is a grinding head drive system and a grinding liquid supply system located above the workbench (17). The workbench (17) is equipped with a lens fixing system. The support (18) is provided with a Auxiliary motion system for horizontal movement in the direction and Y direction and lifting movement in the Z direction. The invention has the advantages of advanced technology, relatively low processing cost, high production efficiency and good processing quality, fully utilizes the advantages of existing machine tools and vacuum suction cups in the research institution, and can efficiently and high-quality sapphire lenses that are getting hotter and hotter. Grinding to meet the needs of future enterprises.

The invention relates to a bird dispelling machine mounting tool. The bird dispelling machine mounting tool comprises a car body, a fixed bracket and a vertical arm device; the vertical arm device includes a base, a connecting frame, a pitching oil cylinder, a telescopic oil cylinder, a translation device and a power device; and the translation device includes a fixing device and a sliding device. The bird dispelling machine mounting tool realizes automatic installation of a bird dispelling machine, is convenient and fast, prevents manual high running operation, and is safe, reliable, compact in structure, reasonable in design, safe and reliable.

The invention discloses a photovoltaic power station installation scheme determination method and device, and the method comprises the steps: obtaining a to-be-recognized image of a roof of a to-be-installed photovoltaic power station, and enabling the roof to have at least one obstacle; roof contour information and obstacle information are determined according to the to-be-recognized image; determining a to-be-installed area according to the roof contour information and the obstacle information, wherein the to-be-installed area comprises an installable area and / or a non-installable area; the installation scheme of the photovoltaic power station on the roof is determined according to the to-be-installed area, and the problems that a large number of available areas are wasted, time and labor are wasted, and certain danger exists due to the fact that the installation scheme of the roof photovoltaic power station is designed through manual roof surveying are solved. Compared with a manual surveying scheme, the beneficial effects that the installation scheme is accurately and conveniently determined by fully utilizing the space of the roof, manpower is saved, the working efficiency of installing the photovoltaic power station on the roof is improved, and the danger of early-stage surveying is reduced are achieved.

The invention discloses a hub unit for a saloon car. The hub unit comprises a support frame, wherein the support frame is arranged on the inner side of an outer ring; lightening holes are formed in the support frame; antiskid stripes are arranged on the surfaces of the left side and the right side of the support frame; a magnetic installation plate is arranged on one end of the support frame; fixing holes are formed in the magnetic installation plate; a connecting hole is formed in the middle of the magnetic installation plate; a sleeve ring is arranged on the outer side of the connecting hole. The hub unit for the saloon car provided by the invention is scientific and reasonable in structure, and safe and convenient to use; the lightening holes are formed, so that the weight of the hub can be reduced to a certain degree, a power load can be reduced due to the mass reduction during a driving process of the saloon car, and the power efficiency is higher; the magnetic installation plate is arranged, so that the hub unit can be installed more accurately and conveniently due to the magnetic attraction; the antiskid stripes are arranged on the support frame, so that the hub unit can be conveniently moved and taken during an installation and movement process.

The application relates to a method for installing a quick sample on an automobile clay model, and relates to the technical field of automobile manufacturing, which comprises the following steps: providing a plurality of magnet groups to be selected; Suction force value; according to the suction force value and the horizontal pulling force value of each magnet group to be selected, determine the size and quantity of the target magnet group required for the quick sample, and select the corresponding size and quantity of magnet group pairs from the magnet group to be selected As the target magnet group; fix one magnet in the target magnet group on the quick sample, and determine the corresponding position of the magnet on the clay model; attach the other magnet to the magnet; assemble the quick sample to the clay model , and fix the magnet far away from the quick sample on the corresponding position of the clay model. It solves the problems of inconvenient, untimely, and inaccurate positioning of the quick installation parts; and the problems of labor-intensive, time-consuming, numerous processes, and the cooperation of multiple people are required to complete the installation.

A mounting bracket for a stepless variable speed engine of a light motorcycle includes a frame, a shock absorber, an engine holder, a power connection plate and a hanger. The engine holder includes a beam and two engine fixing rods, and one of the engine fixing rods is fixed to an end of the beam by a bolt, and the other engine fixing rod is integrally coupled to the other end of the beam. The engine fixing rod has plural installation nodes coupled with the engine, and both ends of the shock absorber are hinged with the frame and the middle of the beam. The power connection plate is coupled to the engine fixing rod and has a shaft hole corresponsive with a shaft of the engine. The bolt is provided for fixing and adjusting the structural form of the engine fixing rod to facilitate adjusting the interval of the engine holder to provide a convenient and accurate installation. The bolt is provided for fixing and adjusting the structural form of the engine fixing rod to facilitate adjusting the interval of the holder to provide a convenient and accurate installation.

The invention provides a motor installation assembly and method. The installation assembly comprises a supporting block and a tensioning part. A motor is installed on an engine in a lifted mode through the installation assembly. The supporting end of the motor is connected with the lower end of the engine through the supporting block. The adjusting end of the motor is connected with the upper end of the engine through the tensioning part. According to the installation method, the motor is rapidly and accurately installed to the engine through the installation assembly. Compared with the prior art, the motor installation assembly and method have the advantages that an electric generator output wire and control wire of the motor are located on the upper portion, installation, detection and overhaul of a cable on the motor are facilitated, the tensioning degree of a bet can be adjusted more conveniently and accurately, the process that the motor is installed on the engine is simplified through the installation method, the motor is accurately and conveniently installed, installation efficiency and reliability are improved, meanwhile, convenience is brought to motor maintenance and disassembly, and the installation and overhaul time cost is saved.