27results about How to "Easy and precise operation" patented technology

The invention belongs to the technical field of coal mines, discloses a method and a system for determining key pressure injection parameters of liquid CO2 for preventing oxidation of residual coal in a goaf, and aims at taking a coal mine as a research object, and obtaining comprehensive basic data by measuring the inclination length and mining height of a working face and the air distribution amount of the working face in detail. Meanwhile, the oxygen concentrations of different burial depths of the air inlet side of the working face in the test area are measured, and the pressure injection amount of the liquid CO2 and the inhibition effect of the liquid CO2 on coal seam oxidation can be analyzed more accurately in combination with oxygen concentration distribution in the actual coal mine environment. By analyzing the pressure injection period of the liquid CO2, the oxidation reaction of the residual coal is effectively controlled on the premise of not influencing the normal coal mine production. The method not only can be used for fire extinguishing and oxidation control under emergency conditions, but also can use a liquid CO2 injection technology as a daily prevention and control measure, so that the efficiency of coal mine safety production is improved, the risk of fire caused by oxidation is reduced, and the method has a wide industrial application prospect.

The invention discloses a multi-speed adjustable filter, which relates to the technical field of filters. In order to solve the problem that the existing filter is inconvenient to use and cannot observe the filter bottle pressure in real time, the multi-speed adjustable filter comprises a filter body, a filter end cover which is detachably arranged on the top of the filter body, a water inlet, a water outlet and a sewage outlet are arranged on the filter end cover, a circumferentially rotatable reversing valve is arranged in the filter end cover, the reversing valve has four gears to correspond to four working states of the filter body, the circumferential rotation of a handle is used to switch the gears of the reversing valve, and a limiting structure for limiting the maximum angle of the circumferential rotation of the handle is arranged on the handle, the filter end cover is provided with a block cooperating with the limiting structure, the handle is provided with a detachable long handle, and a pressure gauge is plugged into the filter end cover to measure the pressure in the filter body.

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 invention relates to the technical field of vehicle-mounted LCD machining equipment, in particular to a steel bag self-adjusting grinding platform device. The device comprises a machine table and a machine top frame, the machine top frame is fixed to the top of the machine table, a first protective shell and a second protective shell are arranged at the position, located on the inner side of the machine top frame, of the top of the machine table, the second protective shell is fixed to the machine table, and a movable matching mechanism is assembled between the first protective shell and the second protective shell. Through the structural design of the moving matching mechanism and the positioning grinding mechanism, a steel bag is inflated to generate deformation, and the grinding disc and the steel bag below the grinding disc are relatively completely parallel, so that the removal rate of residual glue and foreign matters on the surface of the glass substrate is improved, the product quality and yield are improved, the working efficiency is improved, and the production cost is reduced. And the PLC system and various sensors are combined, intelligent control over the cleaning process is achieved, and operation is more accurate, convenient and fast.

The invention relates to the technical field of labeling devices, in particular to an automatic label receiving device which comprises a label receiving mechanism, a label conveying mechanism and a label conveying mechanism. The two first square plates are fixed between the two T-shaped frames at equal intervals; and the two labeling mechanisms rotate on the two sides of the T-shaped frame correspondingly, one ends of the labeling mechanisms are connected with the outer wall of the T-shaped frame in a clamped mode, and the labeling mechanisms can conduct limiting and rubberizing on labels. According to the automatic labeling device, the vacuum suction cups are driven to move through the first air cylinder, a wound label can be rapidly adsorbed and fixed, accurate operation of subsequent procedures is facilitated, the working accuracy and stability are effectively improved, in addition, a first spring is arranged, the butt joint mechanism can drive the two vacuum suction cups to move to be in butt joint, and then the vacuum suction cups can rapidly return to the original position; and meanwhile, after the two labels are in butt joint, the vacuum suction cup cancels adsorption, the vacuum suction cup can be rapidly separated from the labels, more friction is avoided, and the working stability is effectively improved.

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 utility model provides an electric spark work fixture which comprises a fixture body, the fixture body is provided with a through hole penetrating up and down, and a polygonal positioning column is formed in the middle of the fixture body. The bottom surface of the clamp is flat, and the clamp can be detachably connected with an electrode below the clamp through a fastener (such as a bolt) from top to bottom in a vertically-through through hole of the clamp. The detachable connection is convenient to disassemble and assemble, the repeated use of the clamp can be realized, and the waste is avoided. And compared with a previous bonding mode, the detachable connection mode is more stable, the clamp can be fixed on the electrode and then the electrode is processed, so that the relative positions of the clamp and the electrode are fixed, the clamp and the electrode can be conveniently positioned as a whole during electric spark processing, and the operation is more convenient and accurate. Meanwhile, the polygonal positioning column can be more conveniently matched with a clamping mechanism of equipment, the axial positions of the clamp and the electrode are positioned, and the proofreading step is simplified.

The utility model relates to a kind of fast circuit board detection tool, and it relates to circuit board measuring tool tool field, technical solutions are as follows: including detection table, detection module and adjusting assembly are arranged in the cavity of detection table, and the up-and-down movement of limiting plate and the horizontal movement of inner bracket are driven by adjusting assembly.The beneficial effects of the technical solutions are as follows: by the up-and-down movement of limiting plate and the horizontal movement of inner bracket, the operator's line of sight is avoided to be hindered, so that the operator is more convenient and accurately operated, by adjusting assembly, after the operator puts in circuit board, press down detection switch can be automatically measured, after detection is completed, automatically remove circuit board, it is convenient for operator to take out entire circuit board, and convenience is improved.

The present invention relates to the technical field of solid-liquid separation, and in particular to a bag-turning centrifuge system with a solid-liquid discharge switching function. The present invention includes a bag-turning centrifuge with a mother liquid chamber and a filter cake chamber, the bag-turning centrifuge includes a first nozzle installed in the filter cake chamber, the first nozzle is connected to a cleaning liquid pipeline and the nozzle of the first nozzle points to the direction of the filter cloth in the filter cake chamber; the feed port of the solid-liquid switching valve is connected to the filter cake outlet for discharging located at the bottom surface of the filter cake chamber. The present invention can reliably realize the online cleaning function of the filter cloth, and smoothly realize the switching discharge effect of the filter cake as a solid phase and the cleaning liquid as a liquid phase, ultimately greatly improving the reliability, continuity and stability of the entire operation process.

The invention relates to the technical field of cable foreign matter cleaning, in particular to a power transmission overhead line hanging foreign matter cleaning device and method based on an unmanned aerial vehicle, the cleaning device comprises an unmanned aerial vehicle body and a seat body, the seat body is fixedly connected with the unmanned aerial vehicle body, and the cleaning device is characterized in that the seat body further comprises a mechanical arm, a replaceable clamping jaw and a control mainboard (2); the mechanical arm has multiple degrees of freedom and is used for connecting the seat body and the clamping jaw; the clamping jaw is used for clamping and cleaning foreign matters, an additional mounting structure is arranged on the clamping jaw, and a cleaning tool is additionally mounted on the clamping jaw when the foreign matters are difficult to clean; and the control mainboard (2) is used for controlling the mechanical arm to act and the clamping jaw to open and close. The unmanned aerial vehicle is provided with the high-definition camera and the flexible mechanical arm, the cleaning requirements of foreign matter of various shapes, sizes and positions can be met, and clamping, shearing and stripping can be flexibly dealt with by replacing and additionally installing different cleaning tools.

The invention relates to the technical field of medical instruments, and discloses a radiofrequency ablation guide wire system for opening chronic complete occlusion of blood vessels. The system comprises a radio frequency guide wire, a monitoring device, a control device, a feedback device and a radio frequency generator. The radio frequency guide wire is provided with a movable electrode and a return electrode composed of a plurality of expandable and contractible return sub-electrodes. And the monitoring device monitors the current, impedance and temperature of each return sub-electrode in real time. The control device judges the electrode position relation according to the monitoring data and adjusts the radio frequency output. The feedback device provides sound, light or visually displayed position adjustment prompts. The system can further comprise a snare structure, a radiopaque marker, a hollow inner core and other functional components. The accuracy, the safety and the operation convenience of chronic complete occlusion interventional therapy are improved, the dependence on X-ray radiography is reduced, the operation process is simplified, and wide clinical application prospects are achieved.

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 present invention discloses a die-casting machine for automobile throttle housing, which relates to the field of automobile parts die-casting technology, including a frame frame, a hydraulic press is fixedly installed on the top of the frame frame in a left-right symmetrical shape, a slide is installed on the bottom plate of the frame frame in a front-back symmetrical shape, a fixed pressure mold is installed at the bottom of the hydraulic press and located inside the frame frame, a dynamic pressure mold is installed between the two fixed pressure molds, a condenser is installed on the back side of the two fixed pressure molds, and an external annular tube is embedded and installed on the inner side of the fixed pressure mold and the dynamic pressure mold, and an internal annular tube is installed on the inner side of the external annular tube. The die-casting machine for automobile throttle housing uses the internal annular tube to maintain and adjust the overall temperature change of the external annular tube and the casting cavity in a balanced manner, thereby avoiding the problem of local cracking caused by uneven temperature loss of the metal liquid inside the casting cavity, and the multiple temperature control and efficient cooling of the mold improve the production efficiency and ensure the consistency of product quality.

This utility model relates to the technical field of cultivation and planting devices, and discloses a three-dimensional cultivation and planting device with an atomizing structure, including a frame and a rotating column. The rotating column is rotatably connected to the inner right side of the frame via bearings. A spur gear is fixedly connected to the rotating column. A motor is fixedly connected to the outer left side of the frame. The spur gear contacts a toothed chain. A hinge rod is fixedly connected to the outer side of the toothed chain. An adjustment mechanism is provided on the frame, including an auxiliary mechanism and an arc-shaped plate hinged to the outer side of the hinge rod. In this utility model, the nutrient solution is converted into mist particles by an atomizing nozzle frame and sprayed directly onto the plant roots, allowing the roots to efficiently absorb water, nutrients, and oxygen in a suspended state. No substrate or soil is required, which not only reduces the spread of soil-borne pests and diseases but also improves nutrient utilization, promoting healthy plant growth and high yield.

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.

This utility model discloses an adjustment mechanism for a drilling and milling machine, including a support frame. An adjustment assembly is mounted on the support frame, comprising a first motor and a first threaded rod. The first motor is mounted on the support frame, and the first threaded rod is connected to the output end of the first motor. A first movable frame is threadedly connected to the first threaded rod and slidably connected to the support frame. A second motor is mounted on the first movable frame, and a second threaded rod is connected to the output end of the second motor. An adjustment assembly is provided at one end of the support frame, comprising a fixed platform and an electric push rod. The fixed platform is located at one end of the support frame, and the electric push rod is mounted on the fixed platform. The output end of the electric push rod is connected to the movable platform. This mechanism addresses the technical problem mentioned in the background art where the traditional manual adjustment system used in existing mechanisms performs poorly in terms of accuracy and flexibility.

The clothing transportation robot comprises a transportation frame, a bottom plate is fixedly installed on the side, close to the bottom, of the interior of the transportation frame, a mobile robot is fixedly installed at the bottom of the bottom plate, and a fixing plate is fixedly installed on the side, close to the bottom, of the surface of the transportation frame. The top of the fixing plate is connected with a taking and placing assembly through a moving assembly. According to the garment conveying robot capable of achieving multi-layer accurate taking and placing, the conveying frame is arranged, the moving robot at the bottom of the conveying frame can drive the conveying frame to move, moving wheels are arranged at the bottoms of the conveying frame and the moving robot, and the conveying frame can be separated according to use requirements through the arranged partition plates; and the arranged moving assembly is beneficial to driving the taking and placing assembly to place parts on the tops of different partition plates, the arranged moving assembly and the output end of a second motor rotate to drive a lead screw to rotate, the taking and placing assembly can be driven to ascend and descend through a moving block, and operation is more accurate and convenient.

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 belongs to the technical field of van manufacturing, and discloses an all-electric van which comprises a frame and a fork frame, the fork frame is provided with a lifting frame, the lifting frame is installed on the frame in a sliding mode, a lifting mechanism is arranged in the frame, the lifting mechanism jacks the lifting frame to drive the fork frame to do lifting motion, the fork frame comprises legs, and the legs are provided with connecting rod mechanisms. When the fork frame ascends and descends, the bearing wheel is driven by the connecting rod mechanism to roll close to the ground. According to the utility model, the load-bearing wheels always roll close to the ground, so that the truck can keep good traction force and stability on an uneven ground or slope, and is not easy to slip or out of control, thereby obviously improving the stability of the truck in various complex environments, and being beneficial to ensuring the safe carrying operation.

The invention relates to the technical field of high-end equipment manufacturing, and provides a vacuum adsorption device and a machine tool. The vacuum adsorption device comprises an air cylinder, a vacuum suction cup and a vacuum suction cup mounting device; according to the vacuum suction cup mounting device, a supporting seat is provided with a plurality of air holes; the connecting piece is used for installing the vacuum chuck and the air cylinder, a communicating port is formed in the connecting piece, and one end of the communicating port is used for communicating with the vacuum chuck and the air cylinder; the connecting piece and the supporting seat can be fixedly mounted; the communicating assembly is installed on the supporting base, one end of the communicating assembly communicates with the air hole, and the other end of the communicating assembly communicates with the other end of the communicating opening; the first limiting piece is higher than the second limiting piece, and the second limiting piece is higher than the communicating assembly, so that when the connecting piece is installed, accurate installation of the connecting piece and the supporting seat can be guaranteed; and meanwhile, it can be guaranteed that the communicating assembly and the communicating opening are accurately aligned, and the communicating assembly and the communicating opening are installed in an aligned mode and well sealed.

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.

A double-station automatic plate-making machine, the plate-making machine comprises a truss and a control cabinet, the truss is provided with a left-right moving module for picking up and down moving module for picking up, the left-right moving module for picking up and down moving module for picking up and down moving module for picking up and down moving on the truss, two product loading platforms and a pushing material structure are arranged below the truss, and the two product loading platforms are symmetrically arranged on both sides of the aforementioned pushing material structure, the pushing material structure comprises a pushing material moving up and down moving module and a pushing material moving forward and backward moving module, and a roller conveying device is also provided at the discharge port of the pushing material moving forward and backward moving module. The invention is easy and accurate to operate, the machine suction cup has strong adsorption, and the transport of plates is stable and efficient; multi-module collaborative operation greatly saves costs and improves work efficiency.

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.