14results about How to "Improve carry" patented technology

The utility model belongs to the technical field of art knives, and particularly relates to an art knife which comprises an art knife body, a knife folding groove and an inserting groove are formed in the art knife body, the inserting groove is connected with an inserting strip arranged on a laser lighting pen in an inserting mode, a fixing plate, a clamping block and a spanner are arranged on the art knife body, a plate tip is arranged on the fixing plate, and the clamping block is arranged on the plate tip. The multifunctional art knife comprises an art knife body, a wrench is arranged on the art knife body, a wrench opening is formed in the wrench, a telescopic measuring ruler is arranged in the art knife body, scale marks are arranged on the outer wall of the art knife body and the outer wall of the telescopic measuring ruler, and a sliding block and a pulling block are arranged on the telescopic measuring ruler. And the functions of illumination, measurement, knife folding and the like are also realized, so that the practicability and the convenience in carrying and using can be enhanced.

The utility model relates to the technical field of surveying instruments, and discloses a surveying instrument support which comprises a portable mechanism, a main body mechanism and a limiting mechanism, the main body mechanism is arranged in the portable mechanism, the limiting mechanism is arranged at the bottom end of the main body mechanism, and the portable mechanism is arranged at the top end of the limiting mechanism; and the portable mechanism comprises a left-end mounting limiting ring, a placement ring is arranged in the left-end mounting limiting ring, and a fixed handle is fixedly connected to the front face of the left-end mounting limiting ring. According to the utility model, the left end is provided with the limiting ring for installing the bolt, and the right end is provided with the limiting ring for plugging; a placing ring can be arranged for limiting and fixing the telescopic rod and the connecting rod; and after a left-end mounting limiting ring and a right-end mounting limiting ring are fixed through a mounting plug pin, a worker can conveniently move and carry the whole equipment through a fixing handle, the overall structure of the equipment is simple, and convenience is brought to use of the worker.

The invention relates to a portable terahertz security inspection device capable of automatic detection and a working method, and the device is characterized in that a mechanical auxiliary unit is used for driving an object to be detected to move, so that a terahertz wave source emits terahertz radiation, and the radiation penetrates through a sample to be detected, is received by a terahertz linear detector, and is converted into image information; and the automatic detection platform is used for receiving image information, carrying out preliminary integration and enhancement on the input image through an image preprocessing module, judging possible dangerous goods types through a deep convolutional neural network, calibrating each target frame and sending out an early warning. And core technologies such as a terahertz imaging technology and a deep learning algorithm are fused. Compared with the prior art, the system has the advantages of convenient carrying, comprehensive functions, automatic detection and the like, and is convenient to carry, install and use. The system can efficiently adapt to temporary security check of public activities, greatly improve security check quality, effectively prevent security risks, and meet urgent needs in the field of public security and protection.

The invention provides a fatty acid amide shear strength improving agent for Antarctic well drilling as well as a preparation method and application of the fatty acid amide shear strength improving agent. The fatty acid amide shear strength improving agent for Antarctic well drilling is prepared from palmitic acid, triethanolamine and a polyamine compound through a dehydration polycondensation reaction in the presence of a catalyst, the polyamine compound is one of hydroxyethyl ethylenediamine, 5-(N-ethyl-N-2-hydroxyethyl amine)-2-pentylamine, and N, N '-bis (hydroxyethyl) ethylenediamine; the catalyst is one of concentrated sulfuric acid or p-toluenesulfonic acid. The shear strength improving agent is excellent in shear strength improving performance, good in suspension performance and controllable in plastic viscosity, the ultralow-temperature rheological property of drilling fluid can be effectively improved, carrying and suspension of rock debris and ice debris by the drilling fluid in the Antarctic drilling process are improved, and then safe and efficient drilling is guaranteed.

The present invention discloses a slide rule for rapidly calculating the free space attenuation of electromagnetic waves, belonging to the technical field of measuring equipment, comprising a base, a distance scale fixedly arranged on the base, a transparent reading plate fixedly arranged on the distance scale, and a frequency scale and an attenuation value scale movably arranged on the base, the frequency scale and the attenuation value scale slide in linkage, and a frequency pointer is arranged on the transparent reading plate. The present invention can rapidly calculate the attenuation value of a signal, meeting the effectiveness of electronic warfare.

The invention relates to the technical field of crushing engineering, and discloses a double-grinding-chamber jet mill which comprises a base support, a connecting support is fixedly connected to the upper surface of the base support, a first box is fixedly connected to the top of the connecting support, and an air inlet mechanism is fixedly connected to the outer surface of the first box. A first motor is fixedly connected to the left side of the first box body, a transmission mechanism is rotatably connected to the output end of the first motor, a grading wheel is rotatably connected to the inner surface of the transmission mechanism, a feeding port is fixedly connected to the right side of the first box body, and a grinding chamber replacing mechanism is clamped in the first box body. And a sealing positioning mechanism and a positioning filtering mechanism are fixedly connected to the inner wall of the first box body, so that the grinding chamber influencing the working efficiency is replaced, preliminary positioning and fixing are performed, the flexibility and reliability of the equipment are greatly improved, and the service life of the equipment is prolonged.

The invention belongs to the field of casing running equipment and facilities, and provides a composite bearing type casing centralizer which comprises a pair of hoops and a plurality of elastic fin assemblies, each hoop comprises a sleeve body, a mounting opening, a welding positioning plate, an upper hooping piece and a lower hooping piece, and each elastic fin assembly comprises an end piece, an inner elastic piece and an outer elastic piece. A cantilever plate and an impeller set are arranged on the inner side of the inner elastic piece, the axis of the impeller set faces the side face of the inner elastic piece, the inner elastic piece and the outer elastic piece are each of a double-arch-shaped structure, the arch directions of the inner elastic piece and the outer elastic piece are opposite, and double-row balls and single-row balls are arranged on the sides, back on to the center of the sleeve, of the inner elastic piece and the outer elastic piece correspondingly. The double-row balls are used for supporting the outer elastic piece and reducing the friction force in the direction of the lower sleeve, and the single-row balls are used for reducing the friction force in the direction of the lower sleeve. The centralizer is reasonable in design, good in abrasion resistance and centralizing effect, beneficial to promoting the circulation effect of underground circulation media, capable of promoting the casing running progress through the well environment and suitable for large-scale popularization.

The utility model discloses a combined type multifunctional diaper table. The combined type multifunctional diaper table is characterized by further comprising a combined type diaper table body arranged on a cabinet body and a storage basket arranged on the cabinet body and used for storing the diaper table body. Due to the arrangement of the combined diaper table, when a diaper is changed, the diaper table can be taken out from the storage basket of the cabinet body, is placed at the top of the cabinet body, and is aligned with the bolt lock block on the back surface of the cabinet body through the bolt lock body outside the fixed guardrail at the top of the diaper table; a bolt in the bolt lock body is inserted into the bolt lock block to firmly fix the diaper table on the cabinet body; the diaper table is prevented from sliding into the cabinet body and hurting a baby during diaper changing; when the diaper table is not used, the turnover guardrail can be turned over upwards, the diaper table becomes a drawer, the drawer is placed in the storage basket on the cabinet body to form a whole with the cabinet body, meanwhile, after a baby grows up, the cabinet body can be used for daily storage, the cabinet body can be made of wood and cannot be abrupt with other decorations when placed in a room, and therefore the service time of the cabinet body is prolonged.

The invention relates to the technical field of LED patch supports, in particular to a high-condensation back-to-back LED patch support. According to the technical scheme, the copper heat conduction support installation plate comprises a copper heat conduction support installation plate body, LED patch installation through grooves and LED patch installation base blocks, the multiple LED patch installation through grooves are formed in the copper heat conduction support installation plate body in a penetrating mode, the distances between the LED patch installation through grooves in the horizontal direction and the vertical direction are equal, and the LED patch installation base blocks are movably installed in the LED patch installation through grooves. According to the invention, the copper heat conduction bracket mounting plate main body, the LED patch mounting through groove, the LED patch mounting base block and the high-condensation LED patch main body are arranged, and the LED patch mounting base block slides into the LED patch mounting through groove, so that the high-condensation LED patch main body is mounted at the top of the copper heat conduction bracket mounting plate main body; and a worker can conveniently mount a plurality of high-condensation LED patch main bodies on the top of the copper heat-conducting bracket mounting plate main body.

This utility model discloses a multifunctional tactical high-intensity flashlight single tube, belonging to the field of flashlight technology. In this multifunctional tactical high-intensity flashlight single tube, a first lighting component and a second lighting component are respectively threaded to one end of a handle component; a first control component and a second control component are respectively threaded to the other end of the handle component. The first control component and the second control component can be arbitrarily combined with the first lighting component and the second lighting component. Through a modular design of "dual lighting components + dual control components + single handle component," the free combination of the first lighting component and the second lighting component with the first control component and the second control component is realized (a total of 4 combination methods: first lighting component + first control component, first lighting component + second control component, second lighting component + first control component, and second lighting component + second control component).

The invention belongs to the technical field of pump head structures, and discloses a daily chemical bottle pump head structure which comprises a shell part, a pump body part is installed on the shell part, the shell part comprises a connecting part and a conveying part, a conveying channel for conveying liquid along a preset path is formed in the conveying part, and part of the pump body part is located in the conveying channel. The connecting part comprises a baffle and a connecting cover, the baffle is arranged on the conveying part in a sleeving mode, an inserting groove allowing the conveying part to penetrate through is formed in the connecting cover, the baffle is located below the inserting groove, a detachable connecting ring is connected to the conveying part in a screwed mode, and the connecting ring is located above the inserting groove. The conveying part is inserted into the inserting groove in the connecting cover, the baffle abuts against the connecting cover, and the connecting ring is connected with the conveying part in a screwed mode, so that the conveying part is fixed to the connecting cover, after the pump body part is damaged, a worker only needs to unscrew the connecting ring, the pump body part can be detached for replacement, the whole device does not need to be replaced, and the use cost is reduced.

The invention discloses a solar photovoltaic panel, which belongs to the field of solar energy and mainly comprises a base, a driving mechanism, a telescopic frame and a photovoltaic panel mechanism, and the telescopic frame can be switched between a lowered state and a raised state; the driving mechanism is used for driving the telescopic frame to work; the photovoltaic panel mechanism can be switched between an unfolded state and a contracted state, when the telescopic frame is in the lowered state, the photovoltaic panel mechanism is in the contracted state, and when the telescopic frame is in the raised state, the photovoltaic panel mechanism is in the unfolded state; according to the invention, all photovoltaic panels fixedly mounted on the photovoltaic panel mechanism are contracted and shielded to play a protection role, and when the photovoltaic panels work, the controllable telescopic frame is switched to a rising state, and the photovoltaic panel mechanism is switched to an unfolding state, so that the light receiving area can be increased, and the power generation efficiency is improved. And the telescopic frame and the photovoltaic panel mechanism work simultaneously, efficiency is improved, the structure is simple, and integration is high.

The utility model relates to electric motor car frame technical field, concretely is a telescopic electric motor car frame, including fixed base, the fixed base top is fixedly provided with main body mechanism, thereby the distance between the front frame and rear frame is derived, in the conventional use process, often need to carry articles, in the derivation process, thereby the storage space between the first group of limit rod, second group of limit rod and device mounting frame is expanded, when using needs utilizing support vice seat pad to carry large luggage, user manually rotates fixed mandrel and drives two connection vice seat pad to rotate, adjusts to with support vice seat pad interparallel transportation large goods's design realizes this telescopic electric motor car frame convenient to carry out free telescopic and improved the ability of carrying and storage space.