16results about "Telescopic elements" patented technology

The utility model discloses an assembly assembly dotting frock, including work table, the top of work table is sequentially provided with feeding station, assembly station, pre -dotting station, dotting station and material collecting box, and the inside of work table is provided with through groove, and one side of through groove is provided with mounting panel, and the top of through groove is provided with material shifting board, and the side of mounting panel is provided with linear slide rail, and material shifting board passes through sliding block and is installed on linear slide rail, and one side of material shifting board is sequentially provided with first material shifting dog, second material shifting dog, third material shifting dog and fourth material shifting dog, and the utility model discloses through with antenna mast from feeding station sequentially after assembly station, pre -dotting station and dotting station, then, fall into the inside of material collecting box, realized the automatic integration of antenna mast feeding, assembly, dotting and collection, reduced the consumption of human resources, improved production efficiency.

The application provides a protection device for wired communication equipment, which comprises a base, wherein a swing mechanism, a lifting mechanism, an extending mechanism, a cleaning mechanism, a detecting mechanism and a balancing mechanism are arranged in the base; the protection device has the functions of communication signal enhancement, lightning protection, rainwater power generation, antenna cleaning, balance state detection and equipment balance maintenance; the communication capacity of the communication equipment is increased through the front-back swing of the second antenna; the lightning protection effect is improved through the up-down movement of the first antenna and the first lightning rod driven by the half circular gear and the continuous swing of the four second lightning rods driven by the cam; the rainwater is collected and the power generation shaft is driven to rotate by the rainwater impact rotating plate, the power generation shaft drives the generator to generate electricity, the stored rainwater is used for water spraying cleaning and water cooling of the antenna, and the balance state of the equipment is detected by the ball and the equipment is automatically balanced by the gravity ball.

The application belongs to the technical field of antennas, and particularly relates to a portable self-tracking telemetry antenna, which comprises a base and an antenna main body, the antenna main body is fixedly connected to the base, further comprises: a plurality of protection rods arranged at the top end of the base, the protection rods are of telescopic structure, the protection rods are annularly and uniformly distributed outside the antenna main body; and a supporting ring connected to the top end of the plurality of protection rods, the supporting ring is sleeved outside the antenna main body; in the use process after the antenna is installed, the protection rods are in the contracted state, the space occupation is reduced, the overall protective cover composed of the base and the supporting ring plays a shielding role on the internal mechanism, meanwhile, it is ensured that the periphery of the antenna main body is not shielded, and the interference influence on the received signal is reduced; when the antenna is carried, all the protection rods are stretched out and unfolded upwards, a plurality of protection rods and the supporting ring form a mesh cage, the mesh cage is sleeved outside the antenna main body, and the antenna main body is protected.

The utility model discloses antenna equipment and electronic device, wherein, antenna equipment includes: equipment main body, telescopic device and antenna, is provided with the accommodation cavity in equipment main body, and the one side of accommodation cavity forms the opening, and one end of telescopic device is fixedly connected with the target side of equipment main body, and the target side is opposite to the opening, and the antenna is set up in the accommodation cavity, and the antenna is connected with one end of telescopic device close to the opening, to be pushed out from the opening by telescopic device until part is exposed. Through above -mentioned structure, the utility model realizes the built -in and external of antenna through telescopic device simultaneously, can adjust the position of antenna according to actual demand, to meet the function optimization of antenna, can be favorable to the miniaturization of antenna equipment again, carry the antenna equipment conveniently, reduce the situation of the collision of antenna, improve the reliability of antenna.

The application discloses a winding rib type electrostatic forming film reflecting surface antenna device, which comprises a center wheel cylinder, the center wheel cylinder is a prism, and a plurality of elastic winding ribs are fixedly connected to the side surface of the center wheel cylinder; a flexible cable is arranged between two adjacent elastic winding ribs; a base cable net electrode is laid above the elastic winding rib and the flexible cable; the base cable net electrode is composed of triangular meshes; a film reflecting surface is arranged above the base cable net electrode; the film reflecting surface is in a parabolic shape; the base cable net electrode and the film reflecting surface are connected with an electrostatic power supply through a cable; and the film reflecting surface is connected with the center wheel cylinder. The application adopts an elastic winding rib type deployable structure as a support structure of the whole antenna system. The winding rib type structure can be folded and unfolded, and only occupies a small space when being folded, and the folding volume is significantly reduced.

The application discloses a mesh antenna metal mesh zero-constraint splicing method, which comprises the following steps: laying and hanging metal meshes on a working tension applying device, applying working tension to the metal meshes in the transverse and longitudinal directions; sewing tension control belts along the length direction of the metal meshes on both sides in the working tension state; overlapping two metal meshes which need to be spliced and are sewn with the same tension control belts, and overlapping the cross sections in the overlapping position according to the order of 'belt-mesh-mesh-belt'; sewing the two layers of metal meshes along the two sides of the tension control belts by using composite sewing threads; and repeating the above steps to sew all the metal mesh pieces required by the whole antenna reflecting surface in sequence. The metal mesh splicing is performed by using the lock edge needle method, the tension control belts can be removed after the splicing is completed, the splicing joint formed is in a'mesh-mesh' structure, the thickness is only 0.07-0.08 mm, the elasticity keeps the original elasticity of the metal mesh, the mesh surface tension is more uniform, and the risk that the antenna unfolding resistance is increased due to the slight shrinkage of the tension control belts under high temperature is effectively eliminated.

An antenna device (100) including a circuit board (110), a wireless module (120), an antenna module (130), and a fixing cover (140) is provided. The circuit board (110) has a first connector (112). The wireless module (120) is disposed on the circuit board (110) and is electrically connected to the first connector (112) through the circuit board (110). The antenna module (130) includes an antenna (132), a transmission cable (134), and a second connector (136). The transmission cable (134) is connected between the antenna (132) and the second connector (136), and the second connector (136) is connected to the first connector (112). The fixing cover (140) is fixed to the circuit board (110), and the fixing cover (140) is in contact with the second connector (136).

A narrow-band dipole antenna module comprising: a housing comprising a base having an opening defined therein, and a hollow post extending [A1] from the opening and having a plurality of antenna openings defined therein; a circuit assembly configured for insertion into the housing comprising: an input printed circuit board having transmit and receive connectors thereon; a matching printed circuit board having lumped element matching components and a plurality of terminal blocks thereon; a pair of coaxial feed lines connected between the input and matching printed circuit boards, each having a coil formed therein such that the feed lines act as a balun; and at least one rigid support member connected between the input and matching printed circuit boards such that when the circuit assembly is inserted into the housing the terminal blocks are adjacent the antenna openings; and a plurality of antenna elements configured to be connected to the terminal blocks.

A communications system including a telescopic antenna, a deployment motor configured to apply an extension force to the telescopic antenna for extending the telescopic antenna in response to a communications frequency, a transceiver for transmitting a transmit signal at the communications frequency, and a signal meter for determining the magnitude of a return signal from the telescopic antenna received in response to the transmission of the transmit signal and wherein the deployment motor is further configured to adjust an extension of the telescopic antenna in response to the magnitude of the return signal.

The application belongs to the technical field of radar 5G antenna, and particularly relates to a lifting and overturning device for a radar 5G antenna, which comprises a bottom plate fixedly installed in a vehicle compartment through screws, the top outer wall of the bottom plate is welded with symmetrically distributed reinforcing ribs, the top outer wall of the reinforcing ribs is fixedly connected with bearing seats through screws, a box body is rotatably connected between the two bearing seats through bearings, the two side outer walls of the box body are fixedly connected with mounting plates through screws, and electric push rods are hinged between the mounting plates and the bottom plate. Through the full mechanical linkage cooperation of the bottom plate, the electric push rods, the box body, the telescopic driving mechanism, the multi-stage telescopic mechanism and the radar assembly, lifting and overturning integration synchronous control is realized, the traditional steel wire rope structure is abandoned, multi-stage synchronous telescoping of a lead screw is adopted, coaxial overturning of the electric push rod is matched, movement is stable, rigid, accurate in positioning, good in self-locking, and the integration operation of the vehicle-mounted radar 5G antenna storage, overturning and lifting is realized.

This utility model discloses a compact receiving terminal for base station signal enhancement, relating to the field of receiving terminal technology. It includes a terminal body and a storage frame, the storage frame being flush with the terminal body. Multiple heat dissipation fins are installed on the top of the terminal body. Each antenna assembly is disposed inside the storage frame, and each antenna assembly includes a sliding base, a first rod antenna, and a second rod antenna. A drive screw that rotatably engages with the sliding base is rotatably installed inside the storage frame. Each sliding base is rotatably connected to the end of the first rod antenna. Each first and second rod antenna has a modular rod structure. When the connecting page drives the compression rod into the storage frame, the positioning plate is squeezed into the connecting page and compresses the compression rod. After compression, the compression rod generates an upward pushing force on the connecting page, assisting the connecting page to move upward a certain distance beforehand, facilitating the smooth storage of the antennas in the storage frame. The overall structure is compact and convenient for device storage.

The application discloses an antenna unfolding locking mechanism and relates to the technical field of antenna unfolding. The antenna unfolding locking mechanism comprises an electric cylinder, a mounting plate and a locking device for connecting an antenna panel. The output end of the electric cylinder is fixedly provided with an extension rod, and the surface of the extension rod is sleeved with a connecting seat. The antenna unfolding locking mechanism hooks the panel with the hook plate and the lock catch, and does not need to be adsorbed by the magnetic force of an electromagnetic device, so that the panel is fastened more stably. The hook plate assembly pushes the moving block to move. When the moving block moves, the arc-shaped air bag is extruded, so that the gas in the arc-shaped air bag enters the inside of the hollow frame through the communicating pipe. When the air pressure in the inside of the hollow frame increases, the sealing plate and the Z-shaped plate are pushed to move. When the Z-shaped plate moves to the outside of the lock catch, the hook plate assembly can be limited at the curved position of the lock catch, so that the lock catch is prevented from being separated from the hook plate assembly.

The utility model relates to the technical field of glue stick antenna, concretely is a kind of adjustable glue stick antenna, including connector, the one side of the connector is provided with fixed casing by pivot, the inside of fixed casing is provided with antenna column, the surface of antenna column is sleeved with telescopic antenna cover, the surface of telescopic antenna cover is provided with movable protective housing.The adjustable glue stick antenna, through the sleeve setting of antenna column and telescopic antenna cover, to make the antenna can flexibly adjust its length to improve signal gain, or through the setting of pivot and threaded connection mouth, to adjust the direction of antenna, greatly improve the flexibility of the antenna, while the antenna overall structure is simple, the manufacturing cost is lower, and the volume is smaller, can satisfy the demand of small and light antenna, through the cooperation of the blocking ring and assembly port of fixed casing and the cooperation of the clamping block on telescopic antenna cover, to facilitate assembly personnel to assemble component, prevent installation personnel to pull telescopic antenna cover excessively at the same time, pull it out.

The application provides a space flexible deployable structure orthopedic and folding storage device, which comprises a first folding assembly, a second folding assembly, an orthopedic assembly and a storage assembly; the first folding assembly, the second folding assembly and the storage assembly are all installed on a storage box body of the flexible deployable structure; two ends of the orthopedic assembly are respectively connected with the end portions of the first folding assembly and the second folding assembly; the first folding assembly, the second folding assembly and the orthopedic assembly clamp and constrain the front and back surfaces of the flexible array to be folded of the flexible deployable structure; the orthopedic assembly corrects the deformed flexible array; the flexible array constrained by the connecting rod is folded; the storage assembly stores and constrains and compacts the folded flexible array; and multiple groups of flexible arrays are repeatedly orthopedic and folded and stored through the cooperation of the assemblies.

A truss antenna unfolding locking mechanism and device, the locking mechanism comprises a shell, a male hinge head, a torsional spring, a ratchet, a locking steel ball and a volute spring; the shell is the main part of the unfolding locking mechanism and forms a rotating hinge pair with a plurality of male hinge heads; each male hinge head corresponds to a torsional spring and a locking steel ball; each male hinge head forms a rotating hinge pair with the shell separately, and the end of each male hinge head is provided with an opening which is locked under the action of the corresponding locking steel ball; each torsional spring is used to drive the corresponding male hinge head to unfold; the ratchet is located in the shell and is used to push the locking steel ball to move into the opening at the end of the male hinge head under the drive of the volute spring; and the volute spring is used to drive the ratchet to rotate. The present application realizes the locking function after the truss antenna is unfolded and can improve the reliability.

To provide an extension mast that is adopted to a use in an environment with a restriction such as lunar, can be housed compactly and developed, and is configured as an antenna integrated type.SOLUTION: An extension mast 200 at least comprises: a top board 2; a bottom board 1; a plurality of elastic vertical beams 3 connecting the top board 2 and the bottom board 1; add a wiring 70 which is connected to the top board 2 via a hole part 4 provided to the bottom board 1 to energize to each elastic vertical beam 3 between the top board 2 and bottom board 1 to contract it in a coli shape, and which releases the energization and stretches each elastic vertical beam 3 linearly. A first part 9d of the wiring 70 on the bottom board side is constituted by a cable 9 in order to be connected to an antenna element as an antenna integrated type.SELECTED DRAWING: Figure 4