37results about How to "Quick change operation" patented technology

System and method for controlling an instrumented cable (30) towed in water, such as a marine seismic streamer and/or an instrumented towed cable array (streamer array), to which at least one instrumented cable (30), control devices (10, 20) are arranged to control the individual instrumented cables (30) both in shape and position in relation to other instrumented cables (30) and then counteract cross currents and/or other dynamic forces affecting a towed cable array behind a seismic survey vessel (50). The wings (12, 23) of the control devices (10, 20) are provided with acoustic transmitter/receiver means (14) and electronics for acoustic ranging, and the vessel (50) and one or more tail buoys (60) are provided with acoustic transmitter/receiver means (62) and electronics for acoustic ranging, and is provided with instrumentation for absolute position and velocity.

The invention relates to a diameter variable double high-pressure stir-spray pile and a diameter variable method thereof. The diameter variable double high-pressure stir-spray pile and a diameter variable method thereof are used for carrying out corresponding structural improvement on a drill bit and stirring blades of the drill bit, and the diameter variation of the drill bit is realized througha sleeve pipe and an elastic connecting rod structure so as to realize on-site adjustment of the radius of a formed pile without disassembling and replacing the drill bit. On the basis of improving the operation efficiency and shortening the adjustment of diameter variation, the stability of the drill bit and a drill pipe connection structure is ensured. The diameter variable double high-pressurestir-spray pile comprises a drill pipe and the drill bit connected to the end of the drill pipe; a high-pressure gas pipe and a high-pressure cement slurry pipe communicate with the inner parts of thedrill pipe and the drill bit; at least two layers of stirring blades are arranged on the periphery of the drill bit, and air outlet holes and/or slurry outlet holes are formed below each layer of stirring blades; the drill bit is provided with an outer sleeve pipe connected with the drill pipe, and an end head is connected to the end of the outer sleeve pipe; the stirring blades are provided withhinged connecting rods and diameter variable rods; and the ends of the diameter variable rods are fixedly connected with the outer sleeve pipe, and a vertical transmission mechanism inside the outersleeve pipe is movably connected to the ends of the connecting rods.

To execute a manual speed change to apply an engine brake in good response, and to ensure sufficient braking force in a drive unit having a continuously variable speed change unit and a geared speed change unit.

For this purpose, a control system for a drive unit of a vehicle, in which a speed change mode can be selected from a first speed change mode wherein a total speed change ratio governed by the speed change ratio of the continuously variable speed change unit and the gear stage of the geared speed change unit is set on the basis of a running condition of a vehicle, and a second speed change mode wherein the total speed change ratio is set on the basis of a signal for applying a power source braking comprises: a gear stage limiting means for reducing number of gear stages of the geared speed change unit settable under the second speed change mode smaller than that under the first speed change mode; and wherein the total speed change ratio is set according to the gear stage of the geared speed change unit set by the gear stage limiting means, and to the speed change ratio of the continuously variable speed change unit, in case the second speed change mode is selected.

The invention discloses an optical fiber jumping fiber testing device. The optical fiber jumping testing device comprises a machine case, wherein a bending test clamping mechanism capable of rotating in the plane on which a front panel is arranged is arranged on the front panel of the machine case, and comprises a limit body, wherein an adapter installation component used for installing an adapter is arranged on the limit body detachably. The optical fiber jumping testing device can rapidly replace various optical fiber jumping fibers for testing, so that the testing efficiency is improved.

The invention discloses a bracket structure for a plastic coiling block, which comprises a base and two n-shaped frame bodies with the same structure on the base; a transverse moving slot with an opened top face is arranged on the base, and n-shaped guide slots are arranged on the n-shaped frame bodies; a driving chain is arranged in the moving slot, and U-shaped buckle slots are evenly arranged on the driving chain; a vertical top pressing hole is arranged in the base, and a top pressing cylinder is fixed in the vertical top pressing hole; a U-shaped top pressing block is fixed at the top endof the top pressing cylinder, and a push cylinder is arranged on the side wall of the n-shaped frame body; a piston shaft of the push cylinder is stretched to a cross part of the n-shaped guide slot,the end part of the push cylinder is provided with a push pressing plate, and an arc export slot is arranged on the n-shaped frame body and connected to the outlet end of the n-shaped guide slot. Thebracket structure is reasonable in structure, strong in applicability and good in practicability; besides, the structure can effectively and rapidly complete the replacement operation and improve thereplacement processing efficiency.

The invention discloses a medicine administration device convenient to replace for anorectal nursing. The device comprises a connecting pipe and a medicine outlet cover fixed to a medicine feeding pipe, a first sealing ring is fixedly pasted to the end, close to the medicine administration pipe, of the connecting pipe, a second sealing ring is fixedly pasted to the end, close to the connecting pipe, of the medicine administration pipe, a net plate is fixedly installed in the medicine administration pipe, and a stop rod is fixedly installed on the net plate through a connecting rod. The medicine administration device has the advantages that the connecting pipe and the medicine administration pipe are easy and convenient to disassemble and assemble, separation operation can be completed onlyby exerting pushing force relative to the connecting pipe on the medicine administration pipe with hands, then rotating the medicine administration pipe and finally exerting pulling force away from the connecting pipe on the medicine administration pipe, and replacement operation can be conveniently and rapidly completed; by means of magnetic cooperation among the first magnetic rod, the third magnetic rod and the second magnetic rod, the mounting base can be conveniently and rapidly taken out of the medicine outlet cover as required, the mounting block is arranged in the first groove and cannot make direct contact with a patient, and only one rotating force needs to be applied to the mounting base with hands in the using process.

The invention relates to the technical field of pneumatic control machinery, in particular to an energy-saving and noise-reducing air compressor which comprises an air storage tank, the air storage tank is horizontally arranged, and moving wheels are symmetrically arranged at the lower end of the air storage tank. Then air blown out by a blowing fan is sent to a refrigeration box on one side through an air supply pipe, efficient cooling operation is conducted on the driving motor, the aging speed of the driving motor is reduced, and therefore cost and using electric energy are saved, blowing air of a cooling motor is sent into an air inlet of an air inlet base through a conveying pipe and a transfer box, noise of the air inlet is reduced, and noise reduction is achieved. And under the suction action of the air inlet, air flow in the noise reduction box can be accelerated, a filter plate is arranged on one side of the noise reduction box, air fed into the noise reduction box through the air inlet is filtered in a unified mode, a brush plate is arranged on one side of a belt wheel, the filter plate can be cleaned in real time during use, and use convenience is improved.

The invention relates to the technical field of nuclear fuel aftertreatment and particularly discloses a device for measuring americium and cesium in aftertreatment feed liquid. A NaI detector is arranged in an area defined by central holes of a lead sheath A, a lead sheath B and a lead sheath D, and a connecting line of the NaI detector penetrates out of a slot in the lead sheath B to be connected with a multi-channel spectrometer; the multi-channel spectrometer is connected with a computer through a data line; and gamma ray signals are converted into electric signals by the NaI detector, theelectric signals are screened by the multi-channel spectrometer and then transmitted into the computer, and automatic sample measuring is realized. The device can effectively shield interference of environmental gamma rays in a measuring system, the multi-channel spectrometer is utilized, thus the gamma radioactivity concentrations of cesium-137 and americium-241 can be measured simultaneously, and the measuring result is directly read by software.

The invention discloses an intermediate temporary rearing device for a genetic breeding family of mudflat shellfish. An offspring seed pond comprises a living area with a circular groove, an inhabiting area being a beach and an isolation belt, and the beach is provided with a plurality of net cages; and the intermediate temporary rearing device is characterized in that each net cage comprises an annular base plate, a support rod in threaded connection with the annular base plate and a clamping groove formed in the annular base plate, and further comprises screen cloth with a horizontal zipper arranged on the side face, so that an operator can open the mesh cage conveniently to detect and check internal offspring seeds. Compared with the prior art, the rearing device has the advantages that the annular base plates and the screen cloth are arranged in a separable manner, when screen meshes are replaced periodically, the screen meshes can be replaced very conveniently and seamlessly, the height of the screen cloth can be adjusted at will through the arrangement of the support rods, rapid replacement operation during batch breeding is facilitated, and zipper openings which are horizontally opened are formed in the side of the rearing device, so that an operator can conveniently check and maintain the interior; and the device is simple in structure, reasonable and practical in design, and very suitable for being applied to breeding production of the artificial offspring seeds.

The invention relates to the technical field of industrial warm air motors, in particular to an energy-saving high-efficiency single-phase shaded pole asynchronous motor for industrial warm air, which comprises a stabilizing box and a mounting pad, four corners of the inner wall of the stabilizing box are fixedly connected with first damping springs, and the interior of the stabilizing box is movably connected with a damping seat through the first damping springs. A mounting bottom frame is fixedly connected to the surface of the damping seat, a U-shaped groove is formed in the surface of the mounting bottom frame, and a protective rubber mat is arranged on the surface of the U-shaped groove. Through the arrangement of the stabilizing box, the mounting bottom frame, the U-shaped groove, the protective rubber mat, the mounting top frame, the connecting plate, the inserting plate, the soaking plate, the elastic plate belt, the exhaust fan and the filter screen, the asynchronous motor body can be quickly clamped and fixed, meanwhile, the asynchronous motor body can be conveniently detached, replaced and used, and in the actual using process, the asynchronous motor body is prevented from being damaged. A worker firstly stably connects one end of an asynchronous motor body needing to be used with a connecting seat and a driving rod.

The invention discloses a processing die of a USB data line terminal, which comprises a die upper body and a die lower body matched with the die upper body, wherein a bearing plate is fixed on the upper surface of the die upper body; a glue injection hole is formed in the die upper body; a glue injection gasket is arranged at an opening at the lower end of the glue injection hole; an upper pressing plate is clamped on the lower surface of the die upper body; punching grooves are formed in the upper surface of the lower pressing plate at equal intervals; a contact plate and a material pushing rod matched with the contact plate are arranged at the center of the inner surface of the punching groove; a transmission rod is fixed on the lower surface of the material pushing rod; a spring tube isclamped at the center of the transmission rod; and a pressure sensor is arranged inside the transmission rod. According to the invention, the whole die adopts a spliced detachable structural design,so that the independent parts can be quickly replaced, the operation flexibility of the die is also improved to the maximum degree under the condition of ensuring the safety use of the die, and the die has higher practicability.

The invention discloses double-ridge rail type tea garden management and harvesting equipment, and relates to the field of tea garden management. The double-ridge rail type tea garden management and harvesting equipment comprises a cage frame and a functional machine body, the cage frame comprises an arc-shaped frame and a rectangular frame body, a fixing plate is fixedly connected to the upper surface of the rectangular frame body, a nut sleeve is fixedly connected to the center of the fixing plate, and a lead screw is in threaded connection with the axis of the nut sleeve; and a lifting plate is rotatably connected to the bottom of the lead screw, four sets of limiting sliding rods are fixedly connected to the four corners of the top of the lifting plate, multiple sets of supporting blocks are fixedly connected to the two sides of the cage frame, limiting sleeves are fixedly connected to the tops of the supporting blocks, and two sets of clamping bases are fixedly connected to the bottom of the lifting plate. According to the double-ridge rail type tea garden management and harvesting equipment, the functional machine body can be rapidly installed at the bottom of the lifting plate, and after the functional machine body is installed, the height of the functional machine body can be conveniently and finely adjusted.

The invention relates to the technical field of 5G switches, and discloses a 5G switch and a switch unit, the 5G switch comprises a mounting seat, the top of the mounting seat is provided with a sliding groove, a sliding seat is sleeved in the sliding groove, and the top of the sliding seat is fixedly connected with a back plate. When data between the 5G switch unit and the 5G switch is connected, the embedded plate is pulled outwards, the embedded plate is separated from the interior of the mounting groove, the sliding frame slides on the fixing block fixed to the back plate, and when the sliding frame moves out of the mounting groove, the connecting line can be displayed. The data line wiring terminals can be uniformly arranged in the embedded plate, so that the safety of the data lines can be ensured, the data lines with various functions can be distinguished and marked, when equipment problems occur, the equipment problems can be quickly confirmed and replaced, and the independent arrangement has the advantages of avoiding thermal interference and moisture interference, and improving the safety of the equipment. And the device can be arranged in a proper environment.