31results about How to "Short assembly and disassembly time" patented technology

The invention provides a mixer crystal four-dimensional high-precision adjustment mechanism, and relates to a high-throughput large-caliber high-precision optical element frequency conversion device. The mixer crystal four-dimensional high-precision adjustment mechanism is used for achieving four-dimensional high-precision adjustment of a mixer crystal in narrow space in a frequency conversion module in an inertial confinement laser nuclear fusion device in China. According to the mixer crystal four-dimensional high-precision adjustment mechanism, a mixing mechanism is arranged in a frequency multiplication box body, the lower end of a deflection angle modulation frame is arranged in a pitching adjustment frame in a rotating mode, the side walls of a mixing spacing adjustment rack are arranged on the lower portions of the side walls of the pitching adjustment frame in a rotating mode, a polarization state adjustment frame is inlaid on the end surface of the deflection angle modulation frame, a mixing gap adjustment base is arranged below the mixing spacing adjustment rack, a mixing horizontal moving adjustment mechanism is arranged between the mixing gap adjustment base and the mixing spacing adjustment rack, and a polarization state adjustment mechanism is arranged on the polarization state adjustment frame. The mixer crystal four-dimensional high-precision adjustment mechanism is used for posture adjustment of the mixer crystal.

The invention relates to a highway tunnel jet fan supporting structure bearing capacity detection device. The device comprises a counter-force assembly used for being connected with a jet fan pre-embedded steel plate. The counter-force assembly is provided with a pressurizing assembly used for abutting against a top wall of a tunnel, the counter-force assembly comprises a cross beam and a connecting piece used for being fixed to the pre-embedded steel plate, a supporting rod is arranged in the connecting piece in a penetrating mode, threading bases are symmetrically arranged at the two ends ofthe cross beam, and steel wire ropes are arranged in the two threading bases in a penetrating mode and connected with supporting rods on the two sets of pre-embedded steel plates. The counter-force assembly is connected with the two sets of pre-embedded steel plates at the same time, bearing capacity detection can be performed on the two sets of pre-embedded steel plates at the same time throughpressurization of the pressurization assembly, detection efficiency is high, and a construction period is short.

The invention discloses a brush roller for a silk printing and dyeing machine, which comprises a brush roller body (1), wherein a plurality of first brush strips (2) are uniformly distributed on the periphery of the brush roller body (1), and one end of the brush roller body (1) is connected with a brush cover (3) ; one end of the brush roller body (1) connected with the brush cover (3) is provided with a first roller shaft (9) and a plurality of clamping grooves (5), the other end of the brush roller body (1) is provided with a second roller shaft (10), a plurality of transverse dovetail grooves (4) are uniformly distributed on the excircle wall of the brush roller body (1), the transverse dovetail grooves (4) are dovetail grooves with one end sealed, and the sealing ends of the transverse dovetail grooves (4) are arranged on the excircle wall of the brush roller body (1) ; transverse dovetail tenons (6) are arranged on the inner circular arc walls of the first brush strips (2), and the transverse dovetail tenons (6) are correspondingly connected with the transverse dovetail grooves (4). The brush roller for silk fabric pringting and dyeing machine has the advantage of higher replacement efficiency when part of the bristles is damaged.

The invention provides an anti-detachment quick assembly and disassembly grounding wire on the line side of an open switch cabinet. An anti-detachment quick-installation and disassembly grounding wire on the line side of an open switch cabinet, comprising an insulating rod and a frame-shaped frame with side openings at the top of the insulating rod, characterized in that: the middle side of the frame-shaped frame is fixed for The conductive hook hooking the bolt of the isolation knife switch and the clamping mechanism for clamping the gate of the isolation knife switch, the tip of the conductive hook faces the clamping mechanism. Without changing the function of the original grounding wire, a few parts are added to achieve easy and reliable assembly and disassembly of the wiring. Not only save labor but also improve work efficiency.

The invention provides an injection molding machine template suitable for mounting a circular mold. The template comprises a large template face, four pull rods and four T-slots, wherein the four rods are arranged along four diagonal corners of the large template face, and the four T-slots are provided on the inner sides of the four pull rods. The injection molding machine template suitable for mounting the circular mold has a short mold disassembly time, and avoids the risk of falling of the mold during the assembling and dismantling process; the problem that the pressing plate fixing screw hole on the template is easily affected by the water, oil and dust and other impurities and causes the thread corrosion, resulting in difficulty in assembly and disassembly of the pressing plate fixing screws is avoided; the problem that in the production process the mold needs to be frequently replaced, the threaded hole on the template in this frequent assembly and disassembly situation is prone to causing thread corrosion and slipping and resultantly the use is affected is avoided.

The invention discloses a winding device used for multiple flexible pipelines. The winding device comprises a supporting part, a rotary part and a plurality of multi-hole pipe clamps, wherein the rotary part is arranged on the supporting part, and can automatically rotate around the supporting part; each multi-hole pipe clamp comprises a connecting supporting body and a plurality of cover plates;a plurality of grooves of different dimensions are formed in each connecting supporting body; the quantity of the grooves is same with or different from that of the cover plates; the cover plates areopposite to the corresponding grooves in each connecting supporting body to form a plurality of slot holes for allowing pipelines to pass through; and the multi-hole pipe clamps are arranged in an extending direction of the pipelines for fixing the pipelines into one row. According to the winding device used for multiple flexible pipelines disclosed by the invention, various pipelines with relatively great diameter difference are fixedly arranged into a chain row through the multi-hole pipe clamps, and the whole chain row is wound into one rotary part; and single rotary part is controlled to extend and retract in a rotary mode, so that the problem that pipeline winding by multiple rotary parts in the prior art is out of step is solved.

The invention discloses an anti-theft electromagnetic lock device for a rail transit platform door, and relates to the technical field of electromagnetic locks. The anti-theft electromagnetic lock device for the rail transit platform door comprises an anti-theft lock body, wherein an electromagnetic controller is fixedly installed in the anti-theft lock body; and the right side of the electromagnetic controller is fixedly connected with a first magnet. According to the anti-theft electromagnetic lock device for the rail transit platform door provided by the invention, a control button is pressed down, the electromagnetic controller is started and drives a fixed column to move through the first magnet, a second magnet, a spring and a fixed strip (the fixed column is moved out of a lock groove), then the electromagnetic controller is disconnected, and the fixed column is reset through the spring and the second magnet (the fixed column is moved into a sliding groove), so that the anti-theft electromagnetic lock is conveniently opened and closed; an opening and closing mechanism is stable in operation, simple in structure and convenient to use; and when temporary power failure occurs,the opening and closing work of the anti-theft electromagnetic lock can be achieved through a standby power source set, so that a high practical performance is achieved.

The invention relates to a lamp assembling mechanism, in particular to an elastic sheet type assembling mechanism for a lamp. The elastic sheet type assembling mechanism for the lamp comprises a framebody and elastic plates; positioning plates are arranged in the frame body, and are symmetrically distributed on the inner side face of the frame body; the elastic plates are symmetrically installedon the two sides of the lamp, and are each provide with a positioning groove; and the positioning grooves of the elastic plates are clamped to the positioning plates. The elastic sheet type assemblingmechanism for the lamp is of a split type structure and is simple and reliable in structure and stable in lamp body fixing, the lamp body disassembling and assembling are convenient, and the disassembling and assembling time is short.

The invention discloses a crankshaft front oil seal base and an assembling method. The assembling method includes the following steps that A, a cylinder body is placed on a tray of an assembling line,one end of an auxiliary positioning block is installed on the cylinder body through a bolt, and the auxiliary positioning block is provided with an arc-shaped side opening corresponding to an arc-shaped opening of a positioning table part of a crankshaft front oil seal base body; and B, then the crankshaft front oil seal base body is placed on the cylinder body, a positioning face of the crankshaft front oil seal base body is made to be connected with the upper end face of the tray in an abutting manner, the work face of the crankshaft front oil seal base body is connected with the front endface of the cylinder body in an abutting manner, the side face of the positioning table part and the side face of the auxiliary positioning block are made to be connected in an abutting manner, a round positioning hole is defined by the arc-shaped opening and the arc-shaped side opening, and then a positioning column on the tray can be used for performing positioning and assembling on the crankshaft front oil seal base body through the round positioning hole. Compared with the prior art, the crankshaft front oil seal base can solve the problem that during assembling of an existing crankshaft front oil seal base, the existing crankshaft front oil seal base can easily intervene with peripheral parts.

The invention discloses a clamp for testing the core glue and steel wire rope bonding intensity. The clamp solves the problems of the existing fixing mode of poor fixing reliability, time waste of theoperation, labor waste of the operation and low fixing efficiency. The clamp comprises a connecting seat, wherein the connecting seat is fixedly assembled on tractor machinery. The clamp is characterized by also comprising a fixing table, a screw nut and a screw bolt, wherein the fixing table is detachably assembled onto the connecting seat through a connecting element; the screw nut is fixedly connected onto the fixing table; a screw hole of the screw nut is formed in the horizontal direction; the screw bolt is connected onto the screw nut through screw threads; a penetrating connection holeis formed in the radial direction of the screw bolt. The fixing end of a steel wire rope penetrates into the penetrating connection hole; the screw bolt is screwed to be matched with the screw nut soas to tightly clamp the steel wire rope. The clamp has the advantages that the fixation of the steel wire rope is reliable; the hole penetrating fixing operation is simple and convenient; the fixingefficiency is high.

The invention relates to a multifunction rotavator, a speed change gear box thereof capable of reversing easily and an extending shaft thereof; the coulter shaft of the rotavator is connected with the power plant of a tractor by the speed change gear box and a rotary blade is arranged at the coulter shaft, characterized in that the speed change gear box of the rotavator is divided into two parts, namely an upper shell body and a lower shell body andassembly opening and closing seam of the upper shell body and the lower shell body is arranged in the central line of the bearing hole of the crown gear shaft, which is positioned above the gear box; the upper shell body and the lower shell body are connected firmly with bolts. In the method of optimization, a connecting mechanism to connect the extending shaft is arranged on at least one end of the coulter shaft. The extending shaft is a ditcher cutter shaft, a cutter shaft of stubble-bury machine or a coulter shaft of the rotavator. The invention is based on the original rotavator and guarantees the functions of the original rotavator and can obtain the functions of burying stubble, furrowing and the like only by easily adjusting and increasing a few part fittings. The gear box features easy dismantle and maintenance, thus being applicable for adjusting the assemble method and maintaining of the gears, reducing the purchase cost for farmers by big margins, facilitating installation and saving the agricultural laboring time.