11results about How to "Easy and precise operation" patented technology

The utility model discloses an indoor surfboard which comprises a surfboard body and a base, a positioning groove is formed in the top of the base, conical springs are evenly installed in the positioning groove, fixing supports are fixed to the top ends and the bottom ends of the conical springs, and the conical springs are fixedly connected with the surfboard body and the base through the fixing supports. Adjustable buckle tying belts are evenly installed on the outer edge of the surfboard body and the outer edge of the base, the small-diameter ends of the conical springs are connected with the bottom face of the surfboard body through corresponding fixing supports, and the large-diameter ends of the conical springs are connected with the groove bottoms of the positioning grooves in the top face of the base through corresponding fixing supports. According to the indoor surfboard, supporting components do not need to be replaced frequently. And the conical spring has good durability and does not need to be frequently replaced under normal use, so that the maintenance cost is greatly reduced. Meanwhile, wastes generated by frequently replacing parts are reduced, and the device is more environment-friendly.

The application discloses a crankshaft connecting rod stroke adjusting device of a press machine, which comprises a press machine body, a crankshaft rotatably arranged in the body, an eccentric sleeve and an adjusting sleeve arranged on the crankshaft, a clutch mechanism arranged on the opposite end surfaces of the eccentric sleeve and the adjusting sleeve, a first gear ring fixedly connected to the eccentric sleeve, a rotating shaft rotatably arranged on the adjusting sleeve, a first gear part arranged on the rotating shaft and engaged with the first gear ring, a second gear ring rotatably arranged on the end surface of the adjusting sleeve away from the eccentric sleeve, a second gear part arranged on the rotating shaft and engaged with the second gear ring, a plurality of indicating scales arranged on the second gear ring, an alignment mark arranged on the end surface of the adjusting sleeve with the second gear ring, and an observation hole arranged on the press machine body and used for observing the alignment mark. The crankshaft connecting rod stroke adjusting device of the press machine can indicate the rotation of the eccentric sleeve, and thus the alignment of the clutch mechanism can be judged by the operator during the adjustment, and the operation is more convenient and accurate without the aid of additional measuring tools.

The utility model provides a kind of self-propelled greenhouse roof cleaning equipment, it is related to greenhouse roof cleaning technical field, including base, the lower portion of base is provided with rubber aluminium wheel, the inside of base is provided with cleaning assembly, the cleaning assembly includes the rotary frame of rotation connection in the inside of base, the right end of rotary frame is welded with extension frame, the surface of extension frame is provided with inclination angle adjusting assembly, the inclination angle adjusting assembly includes the fixed block of fixed connection in the surface of extension frame;By setting cleaning assembly, by two groups of symmetrical big cleaning brush can be adhered with roof angle along with rotary frame, realize even scrubbing, improve cleaning comprehensiveness, by drive motor, runner and belt drive, let big cleaning brush high-efficiency operation, enhance cleaning strength and efficiency, protective cover guarantees transmission system stability, prolong equipment life, gutter brush synchronous cleaning gutter, realize integrated cleaning, save time and manpower.

The invention discloses a suspension line knotting auxiliary tool and method in intraocular lens suspension, and relates to the technical field of suspension line knotting, the suspension line knotting auxiliary tool comprises a needle head assembly, and the needle head assembly comprises a needle head tube and an auxiliary knotting tube; one end of the needle tube is a piercing end, and an annular winding and knotting groove is coaxially formed in the position, close to the piercing end, of the inner circumferential wall of the needle tube. An operation through hole is formed in the peripheral wall of the needle head tube corresponding to the winding and knotting groove; one end of the auxiliary knotting tube can be matched with the other end of the needle tube to coaxially penetrate into and extend into the winding knotting groove in a sliding manner, so that a suture line winding knotting shaping end is formed; an inner hole in one end of the auxiliary knotting tube is an intraocular lens loop penetrating hole; a threading groove is formed in the inner peripheral wall of the needle head tube in the length direction; one end of the threading groove is communicated with the winding knotting groove, and the other end of the threading groove extends to the other end of the needle head tube. The device can assist a doctor in knotting operation between a suture line and an intraocular lens loop during intraocular lens suspension, is simple to operate, and is beneficial to reducing the risk of tissue injury in eyes of a patient.

The utility model provides a kind of multi-channel battery charging and discharging device, belong to battery charging and discharging technical field, including installation shell, fixedly installed the connecting seat of installation shell side wall, fixedly installed the slide rail of installation shell inner wall, set in the charging and discharging subassembly of installation shell inner cavity, and set in the mobile subassembly of the slide rail inner wall cooperation charging and discharging subassembly use.The utility model is through the setting of charging and discharging subassembly box mobile subassembly, realized the efficient, stable and smooth of battery charging and discharging process, the design of installation box, contact head and spring in charging and discharging subassembly, ensure the stability and adaptability of battery and device connection, avoid the problem of poor contact or loose;Mobile subassembly is linked by motor, gear, rack and moving plate, realizes the automatic access and fixed of battery, easy to operate and accurate, reduces manual intervention;The ball design in rolling seat further improves the smoothness of battery movement, reduces friction loss.

The invention relates to a set of primer combination for cherry variety identification and application thereof. The application of 26 SNP sites in a cherry genome in any one of the following steps: (1) preparing a cherry SNP site detection kit; (2) performing genetic typing on cherry germplasm resources or genetic populations; (3) constructing a DNA fingerprint spectrum of the cherry germplasm resource or variety; (4) identifying the variety of the cherry to be detected; the number of the 26 SNP sites is YTSNP01 to YTSNP26, and the number of the 26 SNP sites is 2. The cherry primer combination developed by the invention can be used for identifying the cherry variety to be detected, so that the operation of distinguishing the authenticity of the variety becomes accurate and convenient, and the primer combination spans the whole genome of the cherry, has a unique amplification stable point and is relatively strong in representativeness; the detection result of the method is stable and reliable, the operation is simple and rapid, and large-scale and standardized detection can be realized.

The invention relates to the technical field of aviation special cables, and provides a wire harness twisting tool, which comprises a pressing seat, a wire harness twisting device, a first wire harness twisting device, a second wire harness twisting device and a second wire harness twisting device, and is characterized in that a conical boss is formed on one side, close to a traction machine, of the pressing seat, a threading hole penetrates through the pressing seat, and a first wire harness pressing groove communicated with the threading hole is formed in the conical boss; the traction seat is used for being connected with a traction machine, two connecting rods are fixed to a boss of the pressing seat, and the other ends of the connecting rods are fixedly connected with the traction seat; according to the invention, a single cable is respectively pressed in the two wire pressing grooves, each cable is ensured to be stably clamped during traction, and inconsistent tension of a plurality of cables is avoided, so that the compactness of the aviation high-strength cable after being twisted is ensured; the conical matching surface is arranged between the pressing seat and the pressing ring, and the wire pressing groove is arranged on the conical surface, so that a bending part with an angle smaller than a certain angle is formed at a cable clamping part, and a more stable clamping effect is achieved.

The invention relates to the technical field of medical apparatus and instruments, in particular to stent deloading taking-out equipment with an end clamping mechanism, which comprises a flexible penetrating pipe, a front-end operating pipe is axially assembled at the internal operating end of the flexible penetrating pipe, and a rear-end operating head is axially assembled at the external operating end of the flexible penetrating pipe. A controllable chuck is movably assembled at the end part of the front-end operation pipe; and a first rotating pull rope, a second rotating pull rope, a first overturning pull rope and a second overturning pull rope which are used for controlling the controllable chuck are arranged in the flexible penetrating pipe. According to the stent deloading taking-out equipment with the end clamping mechanism, a controllable chuck is movably assembled at the end of a front-end operation pipe of a flexible penetrating pipe, drawing control is conducted through an internal pull rope, the controllable chuck can be accurately controlled to be adjusted, stents in different states can be taken out after being clamped, and the practicability of the stent deloading taking-out equipment is greatly improved. The operation is convenient.

The utility model discloses a change-over switch structure for switching voltage gears of an adjustable resonance reactor, and belongs to the technical field of power equipment. The structure is arranged in a shell of the adjustable resonance reactor and is connected with a reactor coil and an output end of a high-voltage porcelain bushing through a connecting wire. The device comprises an insulating stand column, a plurality of gear static tool bits are arranged on the insulating stand column and connected with voltage gear connecting points through reactor gear connecting lines, and a high-voltage output connecting position is arranged at the bottom of the insulating stand column. The transmission motor on the top plate of the oil tank drives the insulation transmission rod to rotate, then the movable tool bit is controlled to be connected or disconnected with the static tool bits of different gears, voltage gear switching is achieved, and accurate control is achieved through the limiting switch baffle and the limiting switch. The change-over switch structure is simple, convenient and accurate to operate and high in stability and reliability, the problems of complicated operation, poor stability, poor insulativity and the like of a change-over switch in the prior art are effectively solved, and the overall performance and reliability of a power capacitor test system are improved.

The utility model discloses a wood furniture plate positioning and cutting device, which relates to the technical field of furniture plate positioning and cutting and comprises a bearing part, a cutting part, a positioning part and a conveying part. The bearing part is provided with a bearing platform, a bearing guide column I and a bearing guide column II; the cutting part can be adjusted, and the longitudinal and transverse cutting requirement can be met; the positioning part limits the plate position; the conveying part is used for conveying plates. Compared with the prior art, the device has the advantages that plates are precisely positioned through cooperation of the positioning assemblies, deviation is prevented, the cutting precision is improved, and the defective rate is reduced; the position of the cutting blade can be flexibly adjusted through the cutting adjusting disc, multifunctional cutting is achieved, and efficiency is improved; the cutting blade can be adjusted simply, conveniently and accurately, and labor cost is reduced.

The utility model relates to the technical field of backlight assembly, in particular to a lamp guide detection steel piece placing jig which comprises a steel tool, a hollow hole is formed in the steel tool, the steel tool and the hollow hole are both of a rectangular structure, an inner concave is formed in the front face of the steel tool, and a notch penetrating through the edge of the steel tool is formed in the edge of the inner concave. The notches are distributed along the four concave vertex angle positions; a glass plate is stuffed into the concave part, and the glass plate is made of toughened glass; mounting plates are welded and fixed to one side of the steel tool, the mounting plates are symmetrically distributed along the two sides of the steel tool, and a plurality of mounting holes are formed in the surfaces of the mounting plates. According to the scheme, the traditional screw fixation is changed, the inner washing groove of the steel part is directly embedded with the glass block, and the periphery of the steel part is lowered to enable the glass block to be in a boss shape, namely, the direct contact surface of the light guide plate is the whole glass block, so that the light guide plate is prevented from being scratched, white spots, white marks and the like fundamentally, the yield is improved, and the repair cost is reduced; and the customer complaint abnormity is reduced and the customer credibility is improved.