12results about How to "Avoid lowering" patented technology

According to the spraying dust removal device capable of leveling the land and used for the construction site, a first leveling mechanism and a second leveling mechanism are arranged, the ground is pressed through a pressing roller ring at the tail of a vehicle plate, vibration pressing boxes compact the two sides of the vehicle plate under the action of a vibration motor, and due to the fact that the two ends of the pressing roller ring and the two vibration pressing boxes are staggered in the range, the two sides of the vehicle plate are tightly pressed; therefore, the road surface can be fully leveled, dust in the air is mixed with water and falls on the ground under the action of the fog gun machine in the reciprocating motion process of the tricycle main body, the purpose of road leveling is achieved through the pressing and compacting action of the pressing roller ring and the vibration box, and the problems that an existing fog gun machine can only carry out dust falling treatment on raised dust, and the road surface cannot be leveled easily are effectively solved. The problems that the road cannot be leveled, dust on the road can be raised repeatedly when the engineering vehicle runs, and dust raising cannot be restrained are solved.

The utility model relates to the technical field of drinking water distillation and collection, in particular to a drinking water distillation and collection device which comprises a barrel body, a heater, a water collection shell, a cooling assembly and a drainage assembly, the heater is installed on the side face of the barrel and extends to the inner side of the barrel. The water collecting shell is arranged at the top end of the barrel and communicated with the barrel; the cooling assembly is arranged on the outer side of the water collecting shell and communicates with an external liquid conveying device. The drainage assembly is arranged at the bottom end of the cooling assembly and connected with the barrel, and the side face of the drainage assembly communicates with an external liquid storage device. When steam flows towards the inner side of the water collecting shell and exchanges heat with the water collecting shell, drinking water conveyed by the cooling assembly exchanges heat with the water collecting shell, so that water molecules in the steam are condensed on the inner wall of the water collecting shell and are discharged and collected, and meanwhile, the drinking water subjected to heat exchange is added to the bottom end of the inner side of the barrel through the drainage assembly; the water source on the inner side of the cylinder body is convenient to supplement, and the situation that the steam temperature is reduced in the cylinder body is avoided.

This invention belongs to the field of industrial gas detection and discloses a photoacoustic gas sensor employing a microphone array, and designs a T-type Helmholtz photoacoustic cell based on the microphone array. The TDHMA photoacoustic cell adds multiple resonant cavities to the traditional Helmholtz photoacoustic cell to form a multi-T structure. A MEMS microphone is installed at the end of each resonant cavity to detect the photoacoustic signal. Multiple in-phase and multiple out-of-phase signals generated by the TDHMA are superimposed using an additive circuit, and then the two superimposed PA signals are subtracted. Compared to the traditional Helmholtz photoacoustic cell, the TDHMA photoacoustic cell concentrates the sound pressure at the end of the resonant tube, generating a larger photoacoustic signal and exhibiting stronger noise suppression capabilities.

This utility model relates to the field of toilet cleaning technology, and more particularly to a bent-head cleaning brush, including a handle, a brush head, and a bending portion; wherein, the brush head is connected to the handle through the bending portion so that the handle and the brush head form a preset angle; the bending portion has a first cavity, and the bending portion includes a detachably connected main body and a cover, with both ends of the main body connected to the handle and the brush head respectively; when the cover is connected to the main body, the main body and the cover form the first cavity. This application features ergonomic optimization in structure, making it convenient and comfortable to use. Furthermore, the detachable and cavity design reduces production costs, lowers production difficulty, and improves the structural stability of the finished product. In terms of cleaning function, the cleaning component works in conjunction with the main and auxiliary brush heads to improve cleaning efficiency and effectiveness, making it a toilet cleaning tool that performs well in terms of practicality, economy, and cleaning ability.

The invention relates to a mechanical seal assembly assembling system and a using method thereof, and belongs to the technical field of mechanical seal assembly.The system comprises a rotating disc type multi-station conveying mechanism, a movable ring feeding mechanism, a sealing ring assembling mechanism, a static ring feeding mechanism, a spring assembling mechanism, a press-fitting detection mechanism and a discharging mechanism, and the movable ring feeding mechanism, the sealing ring assembling mechanism, the static ring feeding mechanism, the spring assembling mechanism, the press-fitting detection mechanism and the discharging mechanism are sequentially arranged in the conveying direction. The sealing ring assembling mechanism comprises a bulging press-fitting assembly, a bulging head of the bulging press-fitting assembly is composed of a plurality of petals, a sealing ring can be evenly opened, an oil coating assembly can be selected, a press-fitting detection mechanism integrates a pressure sensor and a displacement sensor, a pressure-displacement curve is collected in real time through a controller and compared with a standard curve, and online full inspection of the assembling quality is achieved. According to the invention, full-automatic assembly and intelligent detection of the mechanical sealing assembly are realized, the damage to the sealing ring is effectively avoided, the assembly consistency and the product yield are improved, and a quality tracing function is achieved.

The utility model relates to the technical field of glasses production, in particular to a glasses frame trimming device for glasses production, which comprises an operation table, a movable dust removal mechanism for adjusting a polishing position is arranged on the operation table, and a fixing mechanism for stabilizing a glasses frame is arranged on the operation table. Through the arrangement of the movable dust removal mechanism, the edge grinding structure can be automatically moved in the edge cutting process of the mirror frame, the situation that a worker holds the mirror frame by hand to cut the edge of the mirror frame is avoided, the safety performance of edge cutting of the mirror frame is improved, generated chippings can be absorbed while edge cutting is conducted, and the production efficiency is improved. The fixing mechanism is arranged, the mirror frames with different sizes can be limited and fixed in the mirror frame edge cutting process, on one hand, the mirror frame edge cutting stability is improved, the mirror frame production quality is improved, on the other hand, the edge cutting structure is prevented from hurting the hands of workers, and the production efficiency is improved. And the trimming safety is enhanced.

This application discloses a control method, a display device, and a storage medium. The control method is applied to the display device, which includes at least a first display area and a second display area. The first display area and the second display area are rotatable relative to a rotatable component. The control method includes: displaying a first call interface in the first display area and displaying a second call interface in the second display area; responding to a first operation command on a first position of the first display area, controlling the first call interface to switch from a first state to a second state, and controlling the second call interface to switch from a third state to a fourth state, wherein the first state and the fourth state indicate that the corresponding call interface is in a normal call state, and the second state and the third state indicate that the corresponding call interface is in a call hold state.

The utility model relates to the technical field of self -adhesive coiled material laying, concretely is a kind of self -adhesive coiled material automatic laying and compaction equipment, including compactor, the surface of compactor is equipped with material pole, the surface of compactor is fixedly installed and is used to heat the heating assembly of self -adhesive coiled material glue face, heating assembly is composed of gas cylinder, spray head, lighter, lighter is installed in the inside of spray head, gas cylinder is connected with spray head by pipeline, the surface of compactor is provided with cleaning device, cleaning device includes movable frame, movable frame and the inside slide connection of compactor, first rotating wheel is rotatably connected between movable frame and movable frame, second rotating wheel is rotatably connected between movable frame and movable frame. The utility model, by setting up cleaning device, can effectively clean the impurities on the surface of building, avoid the pasteability of self -adhesive coiled material to building to appear the condition of reduction because of the influence of impurities, and then improve the protective property of self -adhesive coiled material to building.

The utility model belongs to aerospace technology field, concretely relates to a propeller integral forming die, the utility model discloses a propeller integral forming die includes first mould and second mould, and the first mould has the profiling groove, and the second mould has the profiling boss, and the second mould and first mould buckle and connect, and the profiling boss is used for and the profiling groove plug-in and form propeller forming cavity. Using the propeller integral forming die in the technical scheme can realize the integrated forming of propeller, and the propeller prepared using the propeller integral forming die can significantly improve the structural reliability of equipment propulsion system, reduces the assembly error, and is convenient for dynamic balance debugging.

This invention relates to a reference voltage-driven analog-to-digital converter (ADC), belonging to the field of integrated circuits. The ADC includes a fine SAR ADC and a coarse SAR ADC. When φ... SA φ S and φ D When the voltage is high, connect the top plate of the DAC bit capacitor to V. CM Terminal and base plate are connected to the input signal terminal, φ SA and φ S The signal is successively lowered to a low level to complete the sampling of the input signal; at φ C When the signal is high, the first 5 bits of the input signal are obtained by coarse SAR ADC quantization. Based on this digital code, the bit capacitor base plate of the passive charge redistribution DAC in the fine SAR ADC is connected to V. REFP End or V REFN end, at φ C The connection is disconnected when the voltage drops to a low level, and when φ D Drop to low level, φ R After rising to a high level, the base plate of some capacitors in the passive charge redistribution DAC is shorted, causing charge redistribution to generate a residual voltage. This invention improves manufacturability and practicality.

The application relates to a long-maintenance kingpin plug sealing structure, a steering bridge and a vehicle, the long-maintenance kingpin plug sealing structure comprising a sealing plug, the sealing plug being composed of a metal cover and a sealing element, and the sealing element being clamped on the metal cover; the steering bridge comprising a front axle, a knuckle, a kingpin and the sealing plug, the front axle being connected with the knuckle through the kingpin, the kingpin being provided with an integrated sealing needle bearing, the matched end portions of the kingpin and the knuckle being sealed by the sealing plug, and the sealing plug being connected with a refueling nozzle. Two groups of needle bearings are arranged between the knuckle and the kingpin, a long-maintenance kingpin hole structure is formed, a traditional sliding friction pair is replaced by a rolling friction pair, the friction resistance between the knuckle and the kingpin is greatly reduced, and the wear probability of the knuckle and the kingpin is reduced. Through the plug sealing structure, the sealing property and the pressure-bearing capacity are ensured, the performance stability of lubricating grease is ensured, impurities are prevented from entering, and the lubricating grease injection and maintenance function is stable and does not leak.

This invention relates to the field of construction waste treatment equipment technology, and discloses an environmentally friendly recycled soil treatment device for construction waste. The device includes a housing with a feed hopper fixedly connected to the top and a discharge port on the outer side. A crushing assembly includes two crushing rollers mounted inside the housing for crushing the construction waste, symmetrically distributed along the central plane of the housing. A cleaning block, conforming to the outer circumference of the crushing rollers, is fixedly installed inside the housing. This environmentally friendly recycled soil treatment device for construction waste effectively solves the problem in existing technologies where construction waste contains a large amount of sticky soil components, which easily adhere to the outer circumference of the crushing rollers during crushing. Long-term operation leads to a thick layer of soil adhering to the surface of the crushing rollers, resulting in a smaller crushing gap, ineffective crushing, uneven crushing, and insufficient crushing of lumpy soil.