19results about How to "Reduced Scratch Damage" patented technology

The utility model relates to the technical field of medical equipment, and discloses a lens assembling tool device which can enable a lens and an assembling component to be kept coaxial, then the assembling component is used for assembling the lens, the force application angle of the assembling component on the lens is not changed all the time, and therefore the lens assembling tool device can be used for assembling the lens. The main light angles of the assembled lens group can be consistent, the coaxiality is good, and the detection precision and the imaging quality of subsequent detection equipment are ensured. The lens assembling tool device comprises a frame body, at least one fixing seat, at least one group of assembling components and a coaxiality adjusting mechanism, the fixing seat is arranged on the lower portion of the frame body, a lens is arranged on the fixing seat, the assembling components are arranged on the upper portion of the frame body, each group of assembling components corresponds to one fixing seat in position, the assembling components are used for assembling the lens, and the coaxiality adjusting mechanism is used for adjusting the coaxiality of the lens. The coaxiality adjusting mechanism is arranged on the frame body, and the coaxiality adjusting mechanism is used for adjusting the coaxiality between the lens arranged on the fixing seat and the assembling component.

This utility model discloses a novel silk fabric cutting device, including a housing. An arc-shaped cutting seat is fixedly connected inside the housing, and a guide plate is fixedly connected to the outer wall of the housing. A cylinder is fixedly connected inside the housing, and a U-shaped frame is fixedly connected to the bottom of the cylinder's output end. Two cylinders are fixedly connected inside the housing, and a blade holder is fixedly connected to the bottom of the U-shaped frame. A cutting blade is fixedly connected to the bottom of the blade holder. This utility model provides stable support for the novel silk fabric body from below through the arc-shaped cutting seat. The cylinder-driven U-shaped frame, with the sliding limit between the cylinders and the groove, ensures that the cutting blade always moves vertically and engages with the arc-shaped cutting seat. Combined with the compression limit of the rubber seat, it effectively prevents the novel silk fabric body from shifting during cutting, preventing edge fuzzing or fiber breakage.

A telescopic walking wheel device for a trolley suitcase comprises a chassis, a connecting shaft, a transmission rod, a motor, a battery and a walking wheel, wherein the connecting shaft is arranged parallel to each other on both sides of the lower part of the chassis, the walking wheels are arranged at the front and rear ends of the connecting shaft, the transmission rod is arranged horizontally on the upper inner side of the chassis, the motor is arranged vertically on the front lower side of the transmission rod in the chassis, and the battery is arranged on one side of the motor in the chassis; the chassis is a rectangular shell structure, and walking wheel grooves are evenly arranged at the four corners under the chassis; the present invention adopts the above technical scheme and has achieved good results: the telescopic walking wheel device for the trolley suitcase realizes the electric lifting of the walking wheel by arranging the walking wheel on a rotatable connecting shaft, which not only avoids the sliding of the suitcase when it is placed, but also reduces the scratch damage of the walking wheel during transportation, significantly improves the strength of the suitcase, and brings convenience to the user.

The invention discloses a zipper head with a function of reducing zipper damage, which comprises an upper cover plate, a lower cover plate and a connecting body, wherein the lower cover plate is arranged opposite to the upper cover plate, the connecting body is connected with the upper cover plate and the lower cover plate, and the edges of two sides of the lower cover plate are respectively provided with a side wall; the upper cover plate is provided with an upper inner surface and an upper outer surface, and the lower cover plate is provided with a lower inner surface and a lower outer surface; an internal channel is formed among the upper inner surface, the lower inner surface, the side wall and the connecting body; the zipper head is characterized in that the upper inner surface and / or the lower inner surface are / is provided with a pair of longitudinal grooves which are arranged in parallel, and each groove at least accommodates a part of a combination die boundary line mark formed in the production process of the zipper head so as to reduce scratch damage to a zipper caused by overflowing materials at the part of the combination die boundary line mark.

This invention relates to the field of mechanical assembly tooling technology, specifically to an installation device for a double-layer filter screen of a crusher. The device includes a hollow shaft. Through the cooperation of variable-diameter positioning components at both ends of the hollow shaft and a guiding installation component, a stable coaxial reference can be established using the center hole of the crusher rotor. The connecting rod between the second and first connecting rods drives the contact block to expand radially synchronously, causing the arc-shaped friction block to conform to the hole wall and complete the tooling positioning. No modification to the crusher body structure is required. An auxiliary handle drives the threaded rod to rotate, and the guide diameter formed by the guide frame is adjusted via a pull rod transmission. The adjustment size can be intuitively controlled using a scale and indicator needle. The auxiliary rollers on the guide frame reduce the pushing resistance of the filter screen cylinder, minimizing scratch damage to the inner wall and effectively improving the alignment efficiency and installation accuracy of the inner filter screen cylinder. It can adapt to reference center holes of different diameters and cylindrical workpieces of different specifications, helping to improve the tediousness of manual alignment and enhance the consistency of installation quality.

The utility model discloses a kind of movable tunneling measuring devices of underground coal mine roadway, related technical field of underground coal mine roadway tunneling measurement is included, including measuring main part, the laser emission window of measuring main part is provided with dust scraping subassembly, the dust scraping subassembly includes fixed snap ring, the inner wall of fixed snap ring is opened with slide, the inside of slide is provided with the slider of symmetric distribution, the inner wall of two the slider is respectively connected with the both ends of scraper, the side of the laser emission window that scraper adheres is provided with the cleaning cotton compatible therewith. The movable tunneling measuring device of underground coal mine roadway, through micro motor drive driving wheel to drive transmission wheel rotation, make slider drive scraper rotate, cooperate with cleaning cotton can effectively remove the dust on the surface of laser emission window, to keep the cleanliness of window, guarantee the precision of laser ranging;And cleaning cotton can play buffering effect between scraper and laser emission window, reduce the direct contact surface of scraper window.

This application relates to a layered loading and transfer device for layered loading of components, comprising: an upper end plate and a lower end plate arranged opposite to the upper end plate, and at least two guide posts and at least one stop post detachably connected between the upper and lower end plates. Each guide post has a plurality of grooves spaced apart along its axial direction. The upper and lower surfaces of each groove form upper and lower surface surfaces for placing components. The stop post and the upper or lower surface surface together support and define the position of the component to be loaded. The width of the groove along the axial direction of the guide post is greater than the thickness of the component to be loaded. After being loaded into the layered loading and transfer device, the components to be loaded are spaced apart from each other along the axial direction of the guide post. Using the above-described solution of this application, layered loading of components is achieved, reducing scratch damage to components and printing paste layers, improving product yield efficiency, enabling shared use between processes, reducing human error rates, and lowering workload.

The spliced type anti-collision buffering guardrail for municipal engineering comprises two guardrail bodies which are connected by inserting an inserting assembly into a receiving assembly, the inserting assembly comprises two sets of inserting blocks connected to the side wall of a second stand column, and the opposite sides of the two sets of inserting blocks are provided with receiving grooves; meanwhile, a first chamfer surface is arranged on the opposite side and the side facing the receiving assembly; the receiving assembly comprises two placing holes which are formed in the side wall of the first stand column and matched with the two sets of inserting blocks, moving grooves are formed in the opposite sides of the two placing holes, a moving block is arranged in each moving groove in a sliding mode, the opposite sides of the two moving blocks are connected with one ends of springs, and the other ends of the springs are connected with the moving grooves; the sides, away from each other, of the two movable blocks are connected with fixed blocks, and the fixed blocks are provided with second chamfered faces matched with the first chamfered faces of the insertion blocks. According to the utility model, the two adjacent guardrail bodies can be quickly disassembled and assembled.

The application discloses an oropharyngeal ventilation device for anesthesiology department based on an oxygen supply pipe and belongs to the field of medical appliances, which comprises a pipe body, a partition mechanism arranged on the pipe body and used for ensuring smooth ventilation and oxygen supply of a patient, a lubricating assembly arranged on the pipe body and used for overflowing physiological saline for lubrication when the pipe body is inserted into a laryngeal pipe of the patient, a detection assembly arranged at one end of the pipe body located in the laryngeal pipe of the patient and used for detecting whether the pipe body is blocked by secretions in the laryngeal pipe of the patient, and a suction assembly arranged in the pipe body and used for cooperating with the detection assembly to separate the secretions. The partition mechanism constructs independent gas flow paths in the pipe body, respectively ensures normal ventilation (discharge of carbon dioxide and inhalation of air) and stable oxygen supply of the patient, avoids mutual interference of the ventilation and oxygen supply gas flows, and ensures the integrity of the respiratory cycle.

The application discloses a kind of radix pseudoginseng precision seeding multifunctional operation equipment and control method thereof, belong to traditional Chinese medicinal material planting machinery technical field, including rack, the rack is sequentially integrated with flat mechanism, feed uniform seedling mechanism, precision seeding mechanism, ditching lifting mechanism and self-adaptive covering mechanism in the direction of operation progress, the discharge end of the feed uniform seedling mechanism is connected with the feed end of precision seeding mechanism, the ditching lifting mechanism is transmission connection with precision seeding mechanism, the rack is also provided with drive assembly for driving each mechanism cooperative operation.This application adopts compact overall frame design, can be flexibly adapted to the operation scene of hilly and mountainous small field, solves the industry pain point that large seeding machine cannot enter and steering difficulty, perfectly adapts to the topographic features of radix pseudoginseng main producing area.

The utility model relates to the technical field of circuit board design, and discloses a circuit board with a gold edge, which comprises a circuit board, a hard metal object is arranged on the circuit board, and the gold edge is arranged at a part to be attached to the hard metal object on the circuit board. The application has the advantages of reducing scratch damage to the circuit board and protecting the circuit board.

The invention discloses a heat dissipation device for wind power equipment, and relates to the technical field of wind power generation, and the heat dissipation device comprises a hollow box body, one end of the box body is provided with a through hole, condensation cooling fins are fixedly arranged in the box body except the surface provided with the through hole, and a heat dissipation space is defined by the condensation cooling fins; a component structure, needing heat dissipation, of the wind power equipment is arranged in the heat dissipation space. The oil tank pumping assembly is fixedly arranged in the tank body; through flowing and air cooling characteristics of hydraulic oil, heat generated by equipment can be rapidly absorbed and transmitted to condensation pipes in condensation cooling fins, efficient heat dissipation of equipment parts is achieved, the heat can be transmitted to air from the hydraulic oil, the heat dissipation efficiency is improved, the heat dissipation efficiency is improved, and the service life of the equipment is prolonged. And the heat dissipation unit and the exhaust unit can be regularly cleaned and maintained, normal inflow and outflow of airflow are ensured, and the overall heat dissipation effect is ensured.

The invention discloses a construction method for chamfering a concrete column, and relates to the technical field of building construction. The problem that in the prior art, the quality of a concrete column is poor due to the fact that slurry leaks from a wood pattern joint corner seam for pouring the concrete column is solved. A concrete column wood formwork is installed to form a concrete column formwork installation reinforcing column hoop for preliminary reinforcement; filleting component strips are fixedly mounted at the four corners of the inner side of the concrete column formwork through double-sided adhesive tapes and self-tapping screws; fastening the reinforcing column hoop to finally reinforce the concrete column formwork; concrete is poured into the finally reinforced concrete column mold to form a concrete column; and removing the formwork after the concrete column reaches the design strength. The construction method for chamfering the concrete column is used for construction of pouring the concrete column through the wood formwork, the chamfering component strips are installed at the four corners of the inner side of the concrete column formwork, the four corners of the concrete column are directly chamfered, meanwhile, slurry leakage at the joint corner seams of the concrete column and the wood formwork is avoided, and the construction efficiency is improved. And the construction quality and appearance quality of the concrete column are improved.

The present invention relates to the technical field of water data monitoring, and specifically to a water use data collector for monitoring building energy consumption, comprising a connecting pipe and a sensor body, a mounting pipe is installed on the left side of the sensor body, a bolt is sleeved on the outer side of the mounting pipe, a sealing ring is sleeved on the outer side of the left part of the mounting pipe, a rubber retaining ring is installed on the left end of the mounting pipe, and a plurality of rubber clamps are installed on the left side of the rubber retaining ring; the beneficial effect is: by arranging the rubber retaining ring on the outer side of the sealing ring, the sealing ring can be effectively protected, and the possibility of scratch damage during transportation can be reduced, and the rubber retaining ring is folded and inserted into the inner wall of the plug-in slot using the rubber clamp, which not only makes the rubber retaining ring fit with the connecting pipe, but also ensures the cooperation with the sealing ring, thereby enhancing the sealing between the connecting pipe and the mounting pipe, and improving the installation sealing between the sensor body and the connecting pipe, preventing leakage, and thus ensuring the accuracy and effect of water data collection.

The invention relates to the technical field of valve assembly, in particular to a valve element assembly system which comprises a rack, a guide air cylinder and an elastic piece. A limiting piece and a fixing piece are arranged on the rack; the guide air cylinder is arranged on the limiting piece, and a plurality of air holes are formed in the inner wall face of the guide air cylinder and used for driving the to-be-assembled valve element to move in the guide air cylinder through air pressure of air exhausted from the air holes when the to-be-assembled valve element is inserted into the guide air cylinder; and one end of the elastic piece is fixed on the rack, and the other end is connected with one end of the to-be-assembled valve core far away from the to-be-assembled valve body. According to the valve element assembling system, the high-pressure gas is adopted to drive the valve element to be assembled to move, the displacement generated by the high-pressure gas to the valve element to be assembled is small, the assembling efficiency of the valve element to be assembled and the valve body to be assembled is high, the buffering effect is provided through the elastic effect of the elastic piece, direct collision between the valve element to be assembled and the valve body to be assembled is avoided, and the assembling efficiency is improved. The possibility that the valve element is scratched and damaged is reduced, and the reliability of the assembled valve body is improved.

This utility model relates to the field of traffic warning technology, solving the problem that road warning devices are at risk of being hit by vehicles, and when hit, the warning post is directly damaged, causing significant injury to the vehicle and personnel. Specifically, it is a solar-powered traffic warning device, comprising a square cylinder, an elastic shock-absorbing pad inside the square cylinder, a warning post inside the elastic shock-absorbing pad, a solar photovoltaic panel on top of the warning post, a warning light on one side of the top of the warning post, and protective components at the four corners of the square cylinder. Each protective component includes a telescopic rod fixedly connected to one corner of the square cylinder, an arc-shaped plate fixedly connected to one end of the telescopic rod, a buffer spring on the surface of the arc-shaped plate on one side of the telescopic rod, a shock absorber inside the buffer spring, and multiple elastic rubber strips evenly spaced from top to bottom on the outer surface of the arc-shaped plate.

The invention discloses a double-line wide-width seeding device, comprising a housing, a seeding wheel group, a front stopper, a first adjustment arc plate, a second adjustment arc plate, a seeding tube, a first switch plug plate and a second switch plug plate, wherein an inner partition separates the inner cavity of the housing into two seeding cavities, and the front stopper is installed at the front of the top opening of the housing; the seeding wheel group comprises a first seeding wheel and a second seeding wheel which are coaxially arranged identically, and seeding plates are evenly distributed on the circumference of the outer cylindrical wall of the first seeding wheel; the seeding wheel group can be rotatably installed in an arc slot hole installed at the upper part of the housing, and the first adjustment arc plate and the second adjustment arc plate are respectively arranged at the lower part of the first seeding wheel and the second seeding wheel, and can adjust the seeding gap; the first switch plug plate and the second switch plug plate are arranged in a sliding groove opened at the top of the housing; and the two seeding cavities are respectively connected to independent seeding tubes. The double-line wide-width seeding device and the working method thereof of the invention have uniform seeding and are suitable for wide-width uniform sowing and planting.

The invention belongs to the technical field of screening or screening in operation transportation, and particularly relates to a fresh tea leaf screening method which comprises the following steps: 1) removing impurities in fresh tea leaves to be screened; (2) conveying the to-be-screened fresh tea leaves subjected to impurity removal to a screening device; (3) carrying out nondestructive screening on the fresh tea leaves to be screened through a screening device, and classifying the fresh tea leaves into at least two types of fresh tea leaves with different specifications; and (4) selecting fresh tea leaves with different specifications from the classified fresh tea leaves. The method is implemented based on a fresh tea leaf screening production line, the fresh tea leaf screening production line comprises a vibration device, a conveying belt device, a screening device and an identification grabbing device, the vibration device is used for implementing impurity removal in the step 1), the conveying belt device is used for implementing conveying in the step 2), and the screening device is used for implementing lossless screening in the step 3). And the identifying and grabbing device is used for implementing selection in the step 4). According to the method, damage in the tea classification process can be reduced, and the quality of produced tea is improved.

The utility model relates to a cable trench support, including frame and bracket assembly array, frame has the accommodation space, bracket assembly array is located in the frame, and the frame assembly array includes a plurality of bracket assembly that sequentially arranges along the frame height direction, and bracket assembly is detachably connected with the frame, and all bracket assembly divides the accommodation space into a plurality of accommodation areas. In the application, the bracket assembly is as the modular structure, and the key parts are centrally arranged on the bracket assembly, so that the number of parts needing to be separately installed when installing the cable trench support is less, and the detachable connection between the bracket assembly and the frame is also more convenient for the installation, transportation and maintenance of the cable trench support.