36results about How to "Increase or decrease the spacing" patented technology

The invention discloses a distance-adjustable synchronous roller which comprises a support and eccentric sleeves. The support comprises a left side plate and a right side plate, and two eccentric sleeve mounting holes are vertically formed in each of the left side plate and the right side plate. Each eccentric sleeve comprises a disc and a neck sleeve arranged on one side face of the disc, and aneccentric hole is formed in the middle of each disc. One eccentric sleeve is mounted in each eccentric sleeve mounting hole, the neck sleeve of each eccentric sleeve is inserted into the correspondingeccentric sleeve mounting hole, the eccentric sleeves on the left side plate and the eccentric sleeves on the right side plate are symmetrically mounted, and the neck sleeves are opposite. An upper press roller is arranged between the two eccentric sleeves on the upper portion in a clamped manner, and the two ends of the upper press roller are connected with the two eccentric sleeves on the upperportion through bearings. A lower press roller is arranged between the two eccentric sleeves on the lower portion in a clamped manner, and the two ends of the lower press roller are connected with the two eccentric sleeves on the lower portion through bearings. By means of the distance-adjustable synchronous roller, the distance between the upper press roller and the lower press roller can be increased or decreased, and the lower press roller synchronously and reversely rotate by the same angle while the upper press roller is adjusted.

The invention discloses a telescopic drum type gorgon grain classification device, comprising a transmission shaft rotatably arranged on an installation platform, a classification drum is arranged on the transmission shaft, and the classification drum is composed of two installation discs, a plurality of connecting rods and a plurality of telescopic rods. Two installation discs are slidably sleeved on the transmission shaft, each installation disc is provided with a group of connecting rod assemblies, the outer ends of several connecting rods of each group of connecting rod assemblies are respectively hinged with the installation disk, and the inner ends of several connecting rods of the two groups of connecting rod assemblies are respectively hinged. The ends are respectively connected by a number of telescopic rods, and the two ends of each telescopic rod are hinged with the corresponding two connecting rods; the transmission shaft is fixedly sleeved with a support plate, and a number of support rods are evenly distributed on the support plate along the circumferential direction, and the middle section of the telescopic rod It is embedded in the adjusting through groove of the support rod; pushes the mounting plate to move left and right, thereby driving several telescopic rods to expand and contract in the radial direction to realize the adjustment of the size of the grading gap. The invention has the advantages that the high-efficiency grading of different grades of Gorgon grains can be realized and the stepless adjustment of the grading parameters can be realized.

The invention belongs to the technical field of concrete construction, and in particular relates to a concrete vibrating and compacting device for road construction, which comprises two support bases,walking wheels, walking motors, a transverse support, at least three vibration modules and a regulating module, the support bases are bilaterally and symmetrically arranged on the ground by the walking wheels; a walking motor is mounted on each support base and is used for driving the corresponding walking wheel to rotate; the transverse support is arranged on the support bases and is of a cuboid, a rectangular through-hole is arranged vertically at the cuboid, the front and rear walls of the rectangular through-hole are horizontally provided with a sliding groove, and the bottom of the sliding groove is horizontally provided with a toothed structure; the at least three vibration modules are installed on the transverse support, and are used to vibrate and compact the concrete; and the regulating module is used to regulate the spacing between the vibration modules. According to the concrete vibrating and compacting device for road construction, full vibration of concrete can be realized and labor intensity can be reduced; at the same time, the automatic adjustment of vibration bar spacing is realized.

The invention relates to a cable that can improve connection strength and its processing technology, and relates to the technical field of cables, including a cable body, a positioning piece arranged on the cable body, and a positioning piece arranged between the cable body and the positioning piece. As for the adhesive film, there are multiple cable bodies parallel to each other, and the multiple cable bodies are evenly spaced along the length direction of the positioning sheet. The invention has the effect of facilitating the positioning of the cables before welding to improve the efficiency of positioning and welding.

The invention discloses a microstructure for detecting mechanical properties of a one-dimensional nanometer material. The microstructure comprises a frame-shaped bracket, wherein two symmetrically arranged upper platforms are connected on the frame-shaped bracket by at least four symmetrical upper vertical beams; the measured nanometer material is fixed between the two upper platforms; two ends of each of the two upper platforms are respectively supported on a supporting seat of the frame-shaped bracket by a lower supporting beam; a lower platform is connected below the two upper platforms by at least four symmetrical oblique beams; and the lower platform is used for applying an external load. The preparation material of the microstructure is polycrystalline silicon, the preparation process of the microstructure is compatible with the existing silicon micromachining process, and the microstructure can be prepared in batches. The load on the one-dimensional nanometer material and the deformation situation of the nanometer material under an effect of the load can be obtained at the same time, and the properties of the nanometer material are not influenced in a detection process.

The invention relates to the technical field of drying of hydroxylamine hydrochloride, in particular to a disc dryer for drying hydroxylamine hydrochloride, comprising a processing box, an inner wall of the processing box is fixedly connected with a circular pipe, and the inner wall of the circular pipe is evenly provided with a plurality of The inner wall of the processing box is fixedly connected with a support frame; the present invention can drive the screw rod to rotate through the rotation of the driving motor, and the rotation of the screw rod drives the rotating pipe and the plurality of fixed pipes to move through the two bevel gears, and the screw rod rotates at the same time. Drive the rotating fan blades to rotate, the rotating fan blades can inhale air, and the inhaled air can form warm air through two arc-shaped heating plates. When drying the raw materials, since the rotation direction of the fixed pipe is opposite to the direction of the jet of the nozzle, and the nozzle is located on the fixed pipe, the efficient stirring and drying of the raw materials is realized, thereby improving the drying speed of the raw materials.

The invention discloses a vein projection device, which relates to the technical field of vein projection devices. The invention includes a projector body, a box for placing the projector body, and a positioning column. The positioning column is sleeved with a sleeve that can move up and down, and the positioning column is also provided with a fixing component for fixing the sleeve. A rotating assembly is arranged between the outer wall of the sleeve and the box body, and the box body includes a detachable upper shell and a lower shell, the bottom wall of the lower shell is provided with a space hole, and the inside of the projector body and the lower shell A locking component is arranged between the walls, and an elastic positioning component is arranged at the lower end of the upper casing. After the projection device can be placed on the workbench through the auxiliary fixing device, the relative height, the relative inclination angle and the horizontal position of the projection device can be adjusted, and the projection device body can be disassembled for independent use.

The invention discloses an adjustable charging cabinet, which comprises a cabinet body, a power supply and a plurality of charging modules on the cabinet body. The adjustable charging cabinet is characterized in that a plurality of parallel sliding grooves are arranged on the front surface of the cabinet body, the charging modules include sockets and jacks, sliding blocks sliding along the slidinggrooves are arranged at the bottoms of the sockets, the sliding blocks are electrically connected with the jacks, and the sliding blocks pass through the sliding grooves and connected with the powersupply source through a wire. The main point of the scheme is that the spacing between the adjacent charging modules increases or decreases by sliding the charging modules on the sliding grooves, so that room can be made and charging heads of different sizes and shapes can be adapted.

The invention belongs to the technical field of varnished wire processing, and particularly relates to an automatic varnishing system for a wire rod of a varnished wire, which comprises a housing, anash removing module, a wire rod, a varnishing module, a uniformizing module and a driving module, wherein the ash removing module is arranged at one end in the housing for removing dirt on the surfaceof the wire rod; the varnishing module is arranged on the middle part in the housing; the varnishing module comprises a No.1 control lever, a No.2 control lever, a No.3 control lever, a varnishing ring, an adjustment unit and a controller, wherein the varnishing module is used for coating the surface of the wire rod with an insulating varnish film; the uniformizing module is installed at the other end of the housing for uniformizing the thickness of the varnish layer; the driving module is installed on the bottom surface of the housing for driving the uniformizing module to rotate; the wire rod is varnished penetrating through the ash removing module, the varnishing module and the uniformizing module. According to the automatic varnishing system in the invention, the ash on the surface ofthe wire rod is cleaned via the ash removing module, thereby improving the adhesion force of the varnish of the subsequent varnishing module; the varnishing module is so arranged that the surface ofthe wire rod is varnished in a rolling manner so as to improve the varnishing uniformity.