41results about How to "Less components" patented technology

The invention discloses a mine filling cementing material and a preparation method thereof. The mine filling cementing material comprises the following components in percentage by mass: 3-8 wt% of high belite sulphoaluminate cement clinker; 1-3 wt% of high free calcium silicate cement clinker; 74 to 85 wt% of granulated blast furnace slag powder or granulated blast furnace slag; and 10 to 18 wt% of gypsum. Compared with other paste filling materials with the same strength, the cementing material solves the problems that in the prior art, a mine filling cementing material is poor in excitation effect and poor in mechanical property, so that the mine filling effect is affected, and the cost is high due to the fact that the using amount of the cementing material is large, and meanwhile the using proportion is reduced; and the use of mine backfill engineering is fully met.

This utility model discloses a photovoltaic bracket suspension support structure, mainly comprising triangular support stabilizing units. Each triangular support stabilizing unit consists of two equally sized right-angled triangular supports symmetrically arranged on the left and right sides of a column. The right-angled triangular supports are composed of a column, a crossbeam, and diagonal braces, with the column and crossbeam serving as the right-angled sides and the diagonal braces as the hypotenuses. The two right-angled triangular supports share a single column. This utility model offers advantages such as economy and safety, high construction efficiency, and rapid component installation. It effectively solves problems such as difficulty in installing photovoltaic modules in fish-solar hybrid projects, agricultural-solar hybrid projects, and projects with excessively high ground clearance, which often result in low efficiency, long construction periods, and uneconomical costs.

In order to obtain an erasing tool capable of erasing an erasing target within an accurate range and to obtain an erasing tool having a size suitable for a microcapsule magnetophoretic display, the present invention is an erasing tool for scanning a recording surface of a microcapsule magnetophoretic display and erasing a magnetic recording display body displayed on the microcapsule magnetophoretic display, as an erasing unit, uses a multi-pole magnetized rubber magnet (2), sets one face of the multi-pole magnetized rubber magnet (2) as an erasing face side (3) for scanning a recording surface of a microcapsule magnetophoretic display and erasing a magnetic recording display body displayed on the recording surface, and controls the density of magnetic lines emitted from the erasing face side (3) to be a magnetic force suitable for causing magnetic particles in the microcapsule to condense in the center of the microcapsule.

The utility model relates to the technical field of energy storage, in particular to a simple lock, a bottom support, a battery box and a battery changing system. The simple lock comprises a lock hole assembly and a lock body assembly. The lock body assembly comprises a supporting unit, a driving unit and two spring bolt units. The driving unit comprises a driving rod, a first left connecting rod, a second left connecting rod and a spring bolt unit which are hinged in sequence; and the driving rod, the first right connecting rod, the second right connecting rod and the other spring bolt unit are hinged in sequence. The driving rod drives the spring bolt unit to rotate through the connecting rod structure. When the simple lock is in a locking state, the spring bolt unit penetrates through the lock hole assembly, and the spring bolt unit abuts against the lock hole assembly to limit the lock hole assembly to move away from the spring bolt unit. The bottom support comprises a lock body assembly or a lock hole assembly. The battery box comprises a lock body assembly or a lock hole assembly. The battery replacing system comprises a bottom support and a battery box. Therefore, the problems of complex structure and high energy consumption of the traditional battery replacement locking device are solved.

A self-service injector includes a torsion spring having stored energy for administration of a liquid active substance. The invention relates to a self-service injector having a housing (1) with a holder (18, 19) for fixing an insertable syringe (3) with a barrel (4), a sealing plug (26) and a needle, the active substance of which can be discharged under the action of hydraulic pressure when activated in particular. For this purpose, the piston (6) in the cylinder (4) can be actuated by a pivot lever (7) which is articulated on a piston slide (2) sliding along a guide rail (11) in the housing (1). And the other end of the pivoting rod (7) is hinged to a pivotable leg (8) of a bias torsion spring (9). By triggering a pivoting movement of the biasing spring leg (8), the piston (6) can be slid into the needle cylinder (3) in a first pivoting phase by means of a piston slide (22), and barbs (10) on the piston slide (22) thus can be hooked on the needle cylinder (3). In a subsequent pivoting movement, the syringe (3) can be retracted into the housing (1) such that the needle disappears within the housing.

The invention discloses a cooling liquid distribution device. The cooling liquid distribution device comprises a shell, a heat exchanger, a first input port, a first output port, at least one pumping assembly and a first power connector, the shell is provided with at least one opening. The heat exchanger and the at least one pumping assembly are arranged in the shell. The first input port and the first output port are connected with the heat exchanger. The at least one pumping assembly is partially exposed out of the housing through the at least one opening. The at least one pumping assembly is communicated with the first input port and the heat exchanger. The first power connector is arranged on the shell and used for receiving a direct-current power source. Therefore, the cooling liquid distribution device provided by the invention does not need to be additionally provided with an adapter to convert alternating current into direct current, so that internal components of the cooling liquid distribution device can be reduced, and the manufacturing cost is reduced.

This invention discloses a Litsea cubeba essential oil preparation, which is prepared by mixing a 1% (w / w) chitosan quaternary ammonium salt solution with a Litsea cubeba essential oil ethanol mixture at a volume ratio of 4:1; the volume ratio of Litsea cubeba essential oil to anhydrous ethanol in the Litsea cubeba essential oil ethanol mixture is 2:3. The Litsea cubeba essential oil preparation prepared by this invention exhibits good dispersibility and stability, achieving 100% short-term and long-term antibacterial effect against Aspergillus flavus. This is significantly superior to using Litsea cubeba essential oil or chitosan quaternary ammonium salt alone, as well as other chitosan quaternary ammonium salt-Litsea cubeba essential oil preparations, and even more superior to commonly available antifungal agents. Its preparation method is simple, non-toxic, harmless, and does not pollute the environment. It has low production costs and can be used to prevent or inhibit the growth of Aspergillus flavus, reducing its damage to wooden household products.

The invention provides a side leading-in type air duct system for a railway vehicle. The side leading-in type air duct system comprises an air duct body, an air inlet channel and air exhaust channels, wherein the air inlet channel is arranged at the top end of the air duct body and allows fresh air to enter, and the air exhaust channels are arranged on the two sides of the air duct body and used for guiding the fresh air into a passenger room.

Bioreactor (1) with a vessel (13), an end plate (11), a stirrer, a drive unit (15), at least one field device (50, 50a, 50b) arranged in an interior space (14), the field device having field device electronics and a data transmission unit arranged on the end plate (11), the data transmission unit having a motor head (40) which can be signal-technically coupled with an analysis unit and energy-technically coupled with the drive unit (15) and comprises motor head electronics, and at least one communication unit signal-technically coupled with the motor head (40), comprising an adaptation part (20, 20a, 20b) with adaptation electronics, the adaptation electronics being electrically connected with the field device electronics of the field device (50, 50a, 50b), the adaptation electronics and / or the communication electronics comprising a signal converter, and a communication part (20, 20a, 20b) with communication electronics, the communication electronics being electrically connected with the adaptation electronics and the motor head electronics, the adaptation part (20, 20a, 20b) and the communication part (20, 20a, 20b) being configured as separate, mutually couplable components, the motor head (40) being configured as a separate component which can be coupled with the communication unit.

A glass bending test fixture includes a movable folding plate, a rotating structure, and side reference blocks. The rotating structure is symmetrically arranged on both outer sides of the movable folding plate along the Y-axis. The movable folding plate includes a left folding plate and a right folding plate. The side reference blocks are installed on one outer side of the right folding plate along the X-axis. The left folding plate has a left mounting portion on both outer sides along the Y-axis, and the right folding plate has a right mounting portion on both outer sides along the Y-axis. One end of the rotating structure is installed on the left mounting portion, and the other end is installed on the right mounting portion. The left and right folding plates are folded and unfolded through the rotating structure. This invention uses a rotating shaft to drive the left and right folding plates to achieve a 0° bending effect. After the fixture is unfolded, the left and right limiting blocks hold the left and right folding plates in place, thus limiting the fixture to 180°. It has the advantages of simple overall structure, good stability, simple operation, high work efficiency, and strong practicality.

An aluminum profile elevator door comprises a rectangular door frame formed by sequentially connecting an upper cross beam, a lower cross beam, a left stand column and a right stand column, and a glass door plate is arranged in a glass containing area of the rectangular door frame. The upper cross beam and the left stand column, the upper cross beam and the right stand column, the lower cross beam and the left stand column, and the lower cross beam and the right stand column are connected through L-shaped connecting corner connectors. The upper cross beam, the lower cross beam, the left stand column and the right stand column are made of first aluminum profiles with the same section shape and size. On the premise that the good structural strength of the elevator door is guaranteed, the structure of the elevator door is lighter, the weight of the whole elevator door can be effectively reduced, and energy consumption generated when the elevator drives the elevator door to act is reduced; the first aluminum profile is integrated with the glass inserting groove, the connecting groove and the corner connector inserting groove, the structure of the elevator door can be effectively simplified, the number of components of the elevator door is reduced, the elevator door is more convenient and faster to assemble, and the production efficiency of elevator manufacturers is effectively improved.

This utility model discloses a stroke correction and adjustment device, including a fixing plate installed on the back of a wall panel. The fixing plate has a first through hole through which a threaded shaft for stroke correction passes. A nylon plate is provided at the edge of the first through hole on the fixing plate to abut against the threaded shaft. Both sides of the nylon plate have oblong holes. A pressure plate is provided above the nylon plate. Both sides of the pressure plate have second through holes corresponding to the oblong holes. A first screw is installed in each of the second through holes. The first screw passes through the second through hole and the oblong hole and is threaded onto the fixing plate, thus fixing the pressure plate and the nylon plate to the fixing plate. In this utility model, by setting up the nylon plate, the nylon plate and the nylon bushing cooperate to restrict the radial force of the threaded shaft, thereby reducing the wear of the nylon bushing and slowing down its wear, thus extending the adjustment period for the nylon bushing. Simultaneously, the nylon plate is installed on the back of the wall panel via the fixing plate to facilitate adjustment of the nylon plate.

This invention discloses a detachable yoga column, belonging to the field of fitness equipment. The detachable yoga column of this invention includes at least two arc-shaped components. Each arc-shaped component has a buckle and slot with complementary shapes on both sides. The arc-shaped components are connected end-to-end along the circumferential direction via the buckles and slots to form the main body of the yoga column. Each arc-shaped component includes an arc-shaped frame and an elastic body. The elastic body covers the outer surface of the arc-shaped frame, and the buckles and slots are respectively located on both sides of the arc-shaped frame. The yoga column of this invention is formed by connecting at least two arc-shaped components end-to-end along the circumferential direction via buckles and slots. The assembled yoga column has a hollow cylindrical structure, high structural strength, better pressure resistance, and long service life. Furthermore, the assembly structure of the yoga column is simpler, requiring fewer components and lower manufacturing costs. Moreover, the yoga column is simple and convenient to assemble and disassemble, and after disassembly, it is easy to package and transport, making it convenient to carry.

The invention discloses a coaxial line light source for high-precision line scanning detection and a design method thereof.The light source is composed of two oblique-illumination line light sources which are in mirror symmetry, and a uniform line divergent beam emitted by an LED lamp panel of any oblique-illumination line light source irradiates a concave cylindrical reflector of the oblique-illumination line light source firstly and then irradiates the concave cylindrical reflector of the oblique-illumination line light source; the concave cylindrical surface reflector converges the uniform line divergent light beams into uniform line convergent light beams, the uniform line convergent light beams are turned and reflected to the plane reflector of the oblique illumination line light source, then are turned and reflected again by the plane reflector, are diffused by the elliptical light diffusion plate of the oblique illumination line light source, and finally irradiate on a light emitting surface G of the coaxial line light source in a crossed manner; and the light beams are superposed on the symmetrical center line of the light-emitting surface G to form an illumination line light beam with the characteristics of intersectionality, inclined irradiation and line uniformity. Compared with a traditional line light source, the coaxial line light source can be better applied to a high-precision line scanning detection scene.

This utility model discloses an atomizing core, an atomizing device, and an aerosol generating apparatus. The atomizing device includes an atomizing core comprising a liquid guide and a heating element. The liquid guide has an atomizing chamber for communicating with an air guide channel in the outer casing. The atomizing chamber is offset towards a first circumferential side of the liquid guide, or the atomizing chamber has a portion of its structure penetrating the first circumferential side of the liquid guide, making the atomizing chamber more offset towards the side wall of the outer casing, thus improving the communication between the atomizing chamber and the air guide channel. The air guide tube of this atomizing device is formed on the side of the casing. Compared to a central rod oil cup structure, the air guide tube occupies less internal space in the casing, increasing the volume of the liquid storage chamber. Furthermore, due to the larger volume of the liquid storage chamber, the aerosol generating matrix can be added from the liquid storage chamber, making addition more convenient. Moreover, this atomizing device has fewer components, which facilitates automated assembly, reduces material costs, and improves product competitiveness.

The invention relates to a spliced mirror adjusting method and device based on equal inclination interference, belongs to the technical field of large-aperture optical mirror surfaces, and solves the problems of complex system, environment sensitivity, poor real-time performance and the like of the existing spliced mirror co-phase detection method. The method comprises the following steps: installing an adjusting device at a theoretical curvature center position of a primary mirror of the large-aperture optical system; ideal spherical waves emitted by the point light source are divided into two paths through the optical splitter, wherein one path enters the large-aperture optical system reflector and is reflected back to the optical splitter; the other path of light enters the plane mirror through the lens group and is reflected back to the optical splitter; the two paths of reflected light are subjected to equal inclination interference at the optical splitter; and after the number of the equal-inclination interference fringes is extracted through the detection terminal, the position of each splicing mirror in the primary mirror of the large-aperture optical system is adjusted until the number of the equal-inclination interference fringes is minimum. The device is simple in principle, compact in structure and high in environment robustness, and a reliable means is provided for rapid and high-precision real-time co-phase adjustment of the spliced mirror.

The present invention relates to the field of motors, and provides a stator stamping process, a stator die and a stator core thereof. A stator stamping process, wherein a core strip is stacked and wrapped around to form a stator core, and a pole shoe, a clearance opening and four mounting holes are processed on the stator core. After the core strip is wrapped around to form the stator core, the four mounting holes are evenly distributed on the yoke. The present invention uses only one stamping die to stamp four positioning holes, and no empty slots are formed, and no filling is required, thereby avoiding waste of materials. The stamping method is simple, and no additional process is required compared to the prior art, and processing and installation are convenient and reliable.

The utility model belongs to the field of medical correction instruments, and particularly relates to a hallux valgus traction device which comprises a flexible binding belt and a traction limiting assembly, and the flexible binding belt is used for wrapping a sole; the traction limiting assembly comprises a bent elastic piece and a first limiting piece connected to one end of the bent elastic piece, the end, away from the first limiting piece, of the bent elastic piece is fixedly connected with the flexible bridle, and the first limiting piece is used for being attached to the inner side of the front end of the hallux. The bending elastic piece is located at the top and / or the bottom of the hallux, deforms due to the valgus hallux and stores elastic potential energy, the hallux is pulled in the reverse direction, and therefore the continuous correction effect is achieved. The flexible bridle, the bending elastic piece and the first limiting piece are all attached to the foot, can deform along with external force and can be restored, the size is small, the number of components is small, the structure is simple, and therefore the device can be worn during walking, the correction time per unit day is prolonged, the correction period can be shortened, and the correction effect is improved.

The utility model relates to a commodity display channel which comprises a commodity channel and a head. The commodity channel comprises a first bottom plate and side plates, the side plates are integrally formed on the left side and the right side of the first bottom plate, are vertically upward and extend in the length direction of the first bottom plate, and a first clamping part is further integrally formed on the end face of the front end of the bottom plate; the head part comprises a second bottom plate and a front baffle, the front baffle is integrally formed at the front end of the upper surface of the second bottom plate, a second clamping part is further integrally formed on the end face of the rear end of the second bottom plate, and the second clamping part is connected with the first clamping part in an up-and-down buckling mode when the head part is assembled with the commodity channel, so that the assembly strength and stability are improved, and the assembly efficiency is improved. Overall movement of the commodity display channel in the using process is facilitated, meanwhile, the problem that the front baffle is loosened or disengaged due to collision caused by forward movement of commodities is solved, the number of components is small, the structure is simplified, and the overall strength is improved.

The invention relates to a connecting support structure suitable for a cab rear overhang, and the connecting support structure comprises a safety hook, an upper cover plate and a side plate, and the side plate is shaped like a Chinese character'ji 'and is vertically arranged; the upper cover plate is inverted U-shaped and is fixedly buckled at the upper end of the outer side of the side plate; the lower end of the safety hook extends into the upper cover plate and is fixedly connected with the inner side wall of the upper cover plate, and the upper end of the safety hook extends upwards out of the upper cover plate. The structure innovation of the safety hook, the upper cover plate and the side plates is adopted, on the basis that original functions are achieved through few parts and a simple process, the characteristic that an oil vehicle and an electric vehicle adopt the same chassis is combined, multiple functional structural components are provided for installation, the utilization rate is high, the batch is large, and therefore the cost is low.

The utility model belongs to the technical field of red line pile inserting, and particularly relates to a red line pile inserting auxiliary device which comprises a sleeve, a bamboo pole centralizer, a pedal and a manual centralizing rod, the bottom end of the manual centralizing rod is inserted into the sleeve, the bamboo pole centralizer is arranged on one side of the sleeve and used for fixing a bamboo pole to be inserted, the pedal is arranged on the surface of the sleeve, and the manual centralizing rod is arranged on the pedal. And the bamboo pole centralizer is arranged opposite to the bamboo pole centralizer. The utility model has the advantages of few components, simplicity in manufacture, convenience in construction, suitability for red line lofting and pile insertion of various non-rock stratum projects such as roads, railways, municipal administration and the like, and capability of greatly improving the working efficiency.

The utility model discloses a novel plunger pump driving structure, which relates to the technical field of plunger pumps, and comprises a machine table top and two plunger pumps, the two plunger pumps are both positioned above the machine table top, a servo driving mechanism is arranged below the machine table top, each plunger pump comprises a plunger pump ceramic sleeve, the lower end of each plunger pump ceramic sleeve is sleeved with a ceramic protective sleeve, and the lower end of each ceramic protective sleeve is sleeved with a piston rod. The upper end of the plunger pump ceramic sleeve is sleeved with an end face seal head, the bottom end of the end face seal head is connected with the top end of the ceramic protective sleeve through a connecting nut, and a sealing structure is arranged in the end face seal head. According to the utility model, the plunger pump is arranged above the table top of the machine table, so that the parts above the table top of the machine table are fewer, the machine table is tidier and more attractive, the plunger pump is simpler in structure, more convenient to install and overhaul and lower in production and manufacturing cost, and the filling precision is improved due to the simple structure.

The refrigeration pipeline system comprises a liquid supply pipeline and a refrigeration system, and the refrigeration system comprises a compressor, a condenser, a throttling mechanism and an evaporator which are connected in sequence and form a refrigerant circulation loop; a first pipeline, a refrigerant pipeline and a second pipeline are arranged in the evaporator, the first pipeline, the refrigerant pipeline and the second pipeline are all spiral pipes and are sequentially arranged in parallel from inside to outside, and the first pipeline, the refrigerant pipeline and the second pipeline are arranged at intervals and are connected through a heat-conducting medium; the first pipeline and the second pipeline are both connected with the liquid supply pipeline, and the refrigerant pipeline is connected into the refrigerant circulation loop. According to the refrigerating pipeline system of the coffee machine and the coffee machine, the dual functions of preparing low-temperature coffee and cold water can be achieved through one evaporator, the structure is simple, and installation is convenient.

The utility model relates to the field of computer information security, in particular to a computer information security protection circuit which comprises a chip U2, a capacitor C1, an MOS tube Q1 and a chip U2, a third pin of the chip U2 is connected with one end of an R1, the other end of the R1 is connected with a power supply VCC, and the VCC is connected with a computer internal power supply circuit; a first pin of the chip U2 is connected to a grid electrode pin of the MOS tube Q1, a source electrode pin of the MOS tube Q1 is connected with an anode of the capacitor C1, the anode of the capacitor C1 is connected with a cathode of the diode D2, and an anode of the diode D2 is connected with VCC; the drain electrode pin of the MOS tube Q1 is connected with the first pin of the chip U3. And a No.3 pin of the chip U3 is connected with a power supply output end. The capacitor is used as an energy storage element, so that electric energy can be instantly released, and the response speed is high; compared with a battery serving as an energy storage element, the service life is longer, and maintenance is avoided; the circuit is simple in structure and few in components, and can be directly connected into a computer; and after power failure is identified, the buzzer BUZZER gives an alarm to prompt a user to store key information.

The utility model discloses a kind of low ripple high gain composite Cuk-SEPIC direct current converters based on switching inductance module, belong to power electronic converter technical field, including switching inductance module, switching node module, the output module of SEPIC and the output module of Cuk, compared with conventional DCDC converter, switching inductance module is additionally arranged in converter main circuit, the output end of switching inductance module is connected with switching node module, the utility model passes through embedding switching inductance structure, can significantly improve voltage transmission ratio, satisfy low input high output scene demand, compared with transformer boost circuit, the utility model can reduce the voltage, current stress of switching device, reduce damage risk, prolong service life and improve system reliability, the optimized current path and energy conversion process of the utility model can reduce power loss, improve efficiency, and part circuit structure is simple, component is few, control is convenient, beneficial to reduce cost and improve response speed.

The application discloses a power reversing control method of a power transmission, wherein when the gearbox performs a reversing action, the gearbox sequentially passes through a deceleration control stage, a reverse starting control stage, a rapid pressure increasing stage and a clutch rapid combination stage; in the deceleration control stage, a continuous fluctuation pressure is given to the selected direction clutch to reduce the vehicle speed to n2, and then the pressure of the selected clutch is kept until the vehicle speed is reduced to n3; in the reverse starting control stage, the pressure of the selected direction clutch is increased until the vehicle speed reaches n4; in the rapid pressure increasing stage, the pressure of the selected direction clutch is continuously increased until the vehicle speed is increased to n0; in the clutch rapid combination stage, the pressure in the selected direction clutch is increased at the maximum speed until the pressure reaches the working pressure. In this way, the reverse fluctuation damping is generated by the engine joint control and the fluctuation pressure of the reverse clutch in the deceleration process of the vehicle, and the speed braking effect is good; through the closed loop control of the speed and the pressure, the clutch pressure increasing speed can be automatically adjusted.

The invention discloses a whole-cell catalytic body for synthesizing an epothilone B glucoside compound as well as preparation and application of the whole-cell catalytic body, and belongs to the field of microbial technology application. According to the present invention, the fusion protein of the N terminal of the ice nucleation protein and the glycosyl transferase BsGT-1 is displayed on the cell surface of Escherichia coli BL21 (DE3) so as to construct the INP-BsGT-1 whole-cell catalysis body; in a Tris-HCl buffer solution, the catalytic body is used for catalyzing epothilone B and UDP-glucose to carry out glycosylation reaction, and epothilone B 7-O-beta-D-glucoside (compound 1) is efficiently synthesized in one step. After the reaction is finished, the catalytic body is recovered and recycled for multiple times through simple centrifugation, and the activity retention rate is still higher than 80% after 8 times of circulation. The activity retention rate of the INP-BsGT-1 cell catalytic body is still higher than 97% after the INP-BsGT-1 cell catalytic body is stored at-80 DEG C for 180 days.

This invention discloses a diesel engine throttle control device and a diesel engine. The throttle control device includes a transmission sleeve and a transmission shaft. The transmission sleeve is fitted onto the transmission shaft, and a torsion spring is provided between the transmission sleeve and the transmission shaft. One end of the torsion spring is located on the transmission sleeve, and the other end is located on the transmission shaft. A throttle handle travel hole is provided on the transmission sleeve. The transmission shaft is fixedly connected to a control handle, which extends out of the transmission sleeve through the throttle handle travel hole and can swing within the throttle handle travel hole. An input rocker arm is fixedly connected to the transmission sleeve, and an output rocker arm is fixedly connected to the transmission shaft. The throttle control device of this invention has both automatic and manual throttle control functions. In emergency situations, it can quickly switch to manual control of the diesel engine throttle, is easy to operate, and has a simple structure, thereby simplifying the structure of the diesel engine and reducing its cost.