91results about How to "Avoid wandering" patented technology

The invention discloses a device for improving the linear running performance of an excavator during compound action and belongs to the technical field of excavators. According to the device, one-way electro-hydraulic proportional pressure valves are additionally arranged in a running control loop; flow sensors are additionally arranged in working loops of running motors, and switch-on and switch-off of signals of the flow sensors are controlled by a pressure valve; flow sensors are additionally arranged in a working loop in a region between a first main pump and a multiple-path valve group and electrically connected to running controllers respectively; and the running controllers compares and analyzes signals measured by the flow sensors, and output the compared and analyzed signals to control output pressure of the electro-hydraulic proportional pressure valves, the opening degrees of running control valve cores in the multiple-path valve group are regulated, and the amount of flow entering the running motor is changed, so that the rotation speeds of the running motors on two sides are equal. The device has the advantages that a running deviation phenomenon due to different loads borne by the two running motors on the two sides during combined action of the excavator is avoided, the linear running performance of the excavator is improved, and the construction safety is guaranteed.

The invention relates to an Internet-based payment channel integrating method which is characterized by comprising the following steps: firstly, a customer accesses an Internet for selecting goods, and selects a payment settlement mode; secondly, the customer encrypts relevant order information and submits an order; thirdly, a merchant sever checks and confirms purchasing information of the customer and ensures that electronic money issuers such as a bank check the purchasing information to obtain authentication of payment fund; fourthly, after the bank checks and confirms the purchasing information, confirming and payment settlement information is transmitted back to the merchant server through an encrypting communication channel; fifthly, settlement is carried out by means of a financial private network, and payment settlement success information is sent; and finally, the merchant server sends network payment success information and delivery release to the customer. Therefore, all modes of global payment can be completed on the provided payment platform. From different aspects and different links, data security of a user using a payment channel is strictly protected, and the problem of information data security of the user is solved.

The invention discloses a paper product processing and cutting machine with the self-cleaning function. The paper product processing and cutting machine comprises a workbench; a material guide groove is formed in the working table; one side of the material guide groove is provided with an electric push rod; one end of the electric push rod is connected to a material pushing plate, and the material pushing plate is arranged in the material guide groove; the other end of the material guide groove is provided with a cutting blade; an air blowing pipe is arranged on one side of the cutting blade and is fixedly connected to an air outlet of an electromagnetic valve; an air inlet of the electromagnetic valve is connected to an air pump through an air pipe; a time relay is arranged on one side of the electromagnetic valve; a dust collector is fixedly arranged on the workbench; and a conveyor belt is arranged on one side of the dust collector. According to the paper product processing and cutting machine with the self-cleaning function, automatic material feeding and material taking can be realized through the electric push rod and an air cylinder, injuries caused by manual operation can be avoided, the working efficiency can be improved, paper scraps adhering to a knife edge can be blown down through the air blowing pipe, the cutting quality can be guaranteed, dust generated in the processing process can be absorbed through the dust collector, and the working environment can be improved.

The invention belongs to the technical field of surgical robots, and specifically relates to a vascular interventional device control apparatus with dual guide wires or balloons. The purpose of the invention is to solve the problems of low operation work efficiency, high work load, long treatment duration and high doctor labor intensity of the prior art that operation control can only be realizedon a single guide wire by a surgical robot. The vascular interventional device control apparatus with dual guide wires or balloons provided by the invention comprises a main finger assembly, a first sub-finger assembly, a second sub-finger assembly, a driving assembly, and a clamping. One of the dual guide wires or balloons to be operated is clamped by the main finger assembly and the first sub-finger assembly while the other of the dual guide wires or balloons to be operated is clamped by by the main finger assembly and the second sub-finger assembly, so that the the operated dual guide wiresor balloons can respectively carry out axial movement or rotation around their own axial directions. The vascular interventional device control apparatus with dual guide wires or balloons is capableof improving work efficiency and enabling better handling bifurcated lesions, so that the vascular interventional device control apparatus with dual guide wires or balloons is high in practicability and wide in application prospects.

The invention belongs to the technical field of chemical laboratory appliance cleaning, and particularly relates to a cleaning device for a chromatographic bottle for a chemical laboratory. The devicecomprises a cleaning tank and a fan, wherein a horizontally arranged air pipe is arranged in the cleaning tank, one end of the air pipe penetrates through the side wall of the cleaning tank and fixedly communicates with the fan, a plurality of rotating pipes perpendicular to an axis direction thereof are arranged in the air pipe in a penetrating mode, the rotating pipes are hermetically and rotatably connected with the air pipe, a plurality of windward plates are arranged in the air pipe, the plurality of windward plates are arranged on the side walls of the rotating pipes in an annular arraymode, stretchable air bags fixedly communicate to the two ends of the rotating pipes, piston blocks are hermetically and slidably connected in the rotating pipes, and strip-shaped magnets are fixedlyconnected to the side walls of the piston blocks. According to the device, the stretchable air bags are periodically expanded and contracted, air in the chromatographic bottle is squeezed out, cleaning water is repeatedly sucked into and discharged from the chromatographic bottle, solution stains in the chromatographic bottle are flushed and taken away by the cleaning water, the cleaning effect is good, and the efficiency is high.

The method is suitable for the technical field of image recognition, and provides a route planning method, a route planning device, a robot and a medium. The route planning method comprises the following steps: collecting acquired crowd images of a monitored area in a target time period; inputting into a trained crowd flow prediction model; carrying out crowd flow prediction through the trained crowd flow prediction model; obtaining a crowd density map set and a crowd flow map; performing clustering processing on the target crowd density map and the crowd flow map, wherein the obtained targetcrowd density cluster can reflect the people flow density distribution condition of the monitored area after the target time period; using the target crowd density cluster as the target crowd densitycluster, and performing the route planning by taking the position of the target crowd density cluster as the terminal point to obtain the driving route, so that the robot can reach the area with the maximum crowd density, the robot driving route is prevented from avoiding crowds or wandering in unmanned areas, and the application range of the robot driving route planning scheme is widened.

The invention relates to the technical field of umbrellas and particularly relates to a portable foldable umbrella canopy. The umbrella canopy comprises a main umbrella body and an auxiliary umbrellabody, the main umbrella body comprises a main umbrella rod, a fixed ring, a sliding ring, a main umbrella rib assembly and main umbrella cloth. The auxiliary umbrella body comprises an auxiliary umbrella rod, an auxiliary umbrella ring, an auxiliary umbrella rib assembly and auxiliary umbrella cloth. The lower end of the auxiliary umbrella rod is detachably and fixedly connected with the upper endof the main umbrella rod; the auxiliary umbrella rib assembly is composed of a plurality of auxiliary umbrella rib units and auxiliary supporting units, the outer ends of the auxiliary supporting units are hinged to the auxiliary umbrella rib units, the inner ends of the auxiliary supporting units are detachably and rotationally connected with the corresponding main umbrella rib units, and when the auxiliary umbrella body is connected with the main umbrella body, the main umbrella rib units are unfolded or folded, and the auxiliary supporting units can drive the auxiliary umbrella rib units to be unfolded or folded. The umbrella canopy not only can be used as a common umbrella, but also can be used as an umbrella awning under specific conditions. An independent closed space can be formedwhen the umbrella canopy is used. The two use modes of the umbrella canopy are convenient to switch. The umbrella canopy is simple and quick to operate and convenient to store.

The invention discloses an intelligent slipper low-temperature distance measurement device and method. The device comprises a distance detection module, a temperature module, a power management module, a battery, a main control module, and a wireless transmission module. The distance detection module, the wireless transmission module and the temperature module are respectively connected with the main control module, and the main control module is used for the operation coordination of a whole system. The method employs four types of methods to improve the low-temperature ultrasonic ranging precision according to temperature difference, and comprises the steps: correcting a sound speed through temperature; adjusting a driving voltage of an ultrasonic probe; dynamically adjusting the number of transmitted pulses according to the temperature, and adjusting the threshold voltage of a receiving end. Through the adjustment of software and hardware circuits, the device and method improve the distance measurement precision of an intelligent slipper under low temperature, especially in a northern cold region, and plays an important role in preventing a train from escaping and guaranteeing the safety.

The invention provides a residential area waterscape system. The residential area waterscape system comprises a first water treatment unit, a landscape pool and a drainage system, which are located above a garage top plate and sequentially arranged from upstream to downstream. The outlet of the first water treatment unit is communicated with the landscape pool; a reclaimed water conveying pipe network is buried below the first water treatment unit, the reclaimed water conveying pipe network is communicated with the inlet of the landscape pool, the outlet of the landscape pool is communicated with the drainage system, and the drainage system is communicated with the reclaimed water conveying pipe network and/or a green plant planting area. Rain sewage collected in a community can be treatedand purified and then discharged into the landscape pool, water resources are saved, meanwhile, it can be guaranteed that water in the landscape pool can continuously keep circulating, and eutrophication of water is avoided. Water exceeding a water level control line in the pool can be drained to the reclaimed water pipe network and an irrigation pipe network, the water is prevented from overflowing the top of the pool during rainstorm, and meanwhile automatic irrigation of green plants in a community can be achieved.

The invention discloses a bonding joint. The bonding joint comprises an inner pipe and an outer pipe, wherein the inner pipe is sleeved with the outer pipe, one of the inner pipe and the outer pipe isprovided with a plurality of guide ribs, and the guide ribs are suitable for abutting against the other pipe, so that the axis of the inner pipe and the axis of the outer pipe are collinear. Bondinggrooves are formed between adjacent guide ribs, bonding material is contained in the bonding grooves, and the bonding material is used for bonding and fixing the inner pipe and the outer pipe. Throughthe plurality of guide ribs on the inner pipe or the outer pipe, when the outer pipe sleeves the inner pipe, the guide ribs can quickly position the pipes and guide the pipes, so that quick installation is realized. In addition, the bonding grooves of the bonding joint can accommodate equivalent bonding material, the guide ribs can prevent the bonding material from moving on a large scale, so that the thickness of the bonding material in each bonding groove is consistent, and the connection strength of the bonding joint is greatly improved.

The invention relates to the field of 5G test shielding devices, in particular to a 5G test shielding box which comprises a box body, a rotating structure, a cleaning structure, a sealing structure, awater cooling structure and an anti-blocking structure. By arranging the rotating structure, the ground in the box body can be moved, a cleaning structure is arranged, the ground in the box body canbe comprehensively cleaned, and therefore, dust on the ground in the box body is prevented from influencing the test precision, the cleaning structure can also act on the sealing structure while performing installation work, by adopting seal arrangement, a gap between the cleaning structure and the bottom end of the box body can be filled to increase the sealing effect, the situation that water atthe bottom end of the box body flows out is avoided, normal work of the cleaning structure is guaranteed, it can be kept that water exists at the bottom end of the box body all the time to cool the interior of the box body, and rainwater can be collected and cool the interior of the box body by installing the water cooling structure at the top end of the box body.

The invention discloses an active and passive integrated water-stopping middle-buried type water-stopping strip structure for a deformation joint. The active and passive integrated water-stopping middle-buried type water-stopping strip structure is characterized in that an upper boss and a lower boss are integrally formed in the middle of a main strip body; a cavity is formed between the upper boss and the lower boss; side bags are arranged at the two ends in the width direction of the main strip body; water inlets communicating with inner cavities of the side bags are formed in the upper parts of the side bags; water-contact expansion bodies adapted to the side bags are arranged in the inner cavities of the side bags; and metal locating pieces are fixedly arranged on the outer sides of the side bags on the two sides. According to the active and passive integrated water-stopping middle-buried type water-stopping strip structure, active water plugging of the main strip body, the side bags and the metal locating pieces is realized, and passive water plugging is realized when the water-contact expansion bodies in the side bags expand after being contacted with water, so that the multipass water plugging goal is achieved; with the combination of the active water plugging and the passive water plugging, multipass water plugging is realized, and the water plugging effect is good; the side bags have protection and restraint functions on the water-contact expansion bodies, so that the water plugging effect can be improved; the active and passive integrated water-stopping middle-buried type water-stopping strip structure is simple and feasible; the construction cost can be saved; the engineering quality is easy to control; and the water is stopped on the water coming side, so that the durability of a concrete structure is good.

The invention provides an electric heating table with a dust removal mechanism. The electric heating table comprises folding wheels, a warmer, an air blowing mechanism, a first electric telescopic mechanism, a dust removal box and a clothes drying tray; the folding wheels are installed on the lower surface of a base, supporting columns are arranged at the four corners of the upper surface of the base, and the warmer is installed on the inner sides of the supporting columns; the surface of the warmer is provided with awarm air grille; the tray frame is arranged at the upper end of thewarmer; and thetray frame is arranged right above the base. Compared with the prior art, the electric heating table has the following beneficial effects that through the arrangement of an air blowing mechanism,air flowing near the table top is accelerated, dust on the table top is blown up, and the dust on the table top is removed; and due to the design of a dust suction mechanism, dust blown by the air blowing mechanism is sucked into the dust removal box by the dust suction mechanism through the dust suction box, dust impurities in air are separated by the dust removal box and then fed into the dustcollection box, and thus the dust is prevented from continuously floating in the air.

An apparatus and method for use in the initial positioning, guiding, clamping and removal of a tubular casing used to produce a borehole, including a mainframe with an opening configured to receive, clamp onto and centralize the casing within the mainframe opening.

New forms of towels, mats, tarps and other ground-covering sheets, and other devices, systems and methods providing protection from sand, dust, debris, and fluids are provided. In some aspects of the invention, ground covering sheets with an inherent guard, partially around a periphery of the sheets, are provided. In several embodiments, specialized ground-covering sheets are provided with reinforced, specialized sections configured to receive and hold legs, ground stakes and/or other parts related to structures to be mounted in, on or about such ground-covering sheets. In some such embodiments, such reinforced, specialized sections include a matrix of expandable receiving brackets, through which the support legs, ground stakes and/or other parts can penetrate, and reach and obtain direct support from the ground below such ground-covering sheets.

The invention relates to the technical field of rice processing, in particular to a screening device for rice processing. The screening device comprises a storage hopper, wherein sieved small-particle materials are mounted on the lower side of the storage hopper, sieved large-particle materials are mounted on one side of the sieved small-particle materials, a support frame is arranged on the lower side of the sieved large-particle materials, a filter residue collecting box is arranged on the lower side of the sieved small-particle material, an exhaust fan is installed at the upper end of the other side of the sieved small-particle material, a cloth cylinder filter bag is installed at the outer end of the exhaust fan, a hulling component is installed at the lower end of the interior of the storage hopper, a feeding net is installed at the joint of the storage hopper and the sieved small-particle material, and a screen is mounted at the upper end of the interior of the sieved small-particle material. The screening device is of a closed structure, dust floating in the screening process is avoided, circulating dust filtration is achieved, the dust filtration efficiency is high, rice before screening is hulled, the hulling structure is elastic mixing and stirring blades, and the integrity of the rice is guaranteed.

Automatic patient turning and lifting method, system, and apparatus. An exemplary turning and lifting mattress device discloses herein includes a plurality of left and right inflatable turning bladders, a mattress support structure positioned on the bladders and itself including an outer mattress casing including an inner chamber filled with a plurality of particles, at least one contact surface configured to be in contact with a patient during use, wherein the outer mattress casing is configured to be inflated and evacuated such that the outer mattress casing is capable of being shapeable when inflated, and forms a resilient structure configured to hold its shape when evacuated, and wherein, during use, the at least one contact surface conforms to the shape of a body, the plurality of particles displaced from around the body leaving a depression on the at least one contact surface in the shape of the body.

The invention discloses cleaning equipment for dumper part production. The cleaning equipment for dumper part production comprises an outer cleaning box body and a cleaning liquid storage box, whereinan inner box body is arranged in the outer cleaning box body, and box body leakage holes are formed in the surface of the inner box body; an impurity removal filter screen is arranged below the box body leakage holes; a cleaning roller is arranged in the inner box body, and an anti-abrasion pad is arranged on the surface of the cleaning roller; a connecting supporting rotating shaft is arranged below the cleaning roller, and a rotating motor is arranged below the connecting supporting rotating shaft; and the cleaning liquid storage box is arranged at the left side of the outer cleaning box body, and a water suction pump is arranged above the cleaning liquid storage box. The cleaning equipment for dumper part production is provided with the anti-abrasion pad for preventing the cleaning roller from abrading and scratching the surfaces of parts to influence use for the parts, and meanwhile, the anti-abrasion pad is made of nylon, impurities difficult to wash on the surfaces of the partscan be brushed away, so that residual of the impurities still on the surfaces of the parts after washing is avoided.

The invention discloses a dust removal and sterilization device for non-woven fabric processing. The dust removal and sterilization device comprises a fixed shell; two non-woven fabric movable grooves are formed in the left side and the right side of the fixed shell; extended pressing plates are arranged on the outer side surfaces of the bottom ends of the two non-woven fabric movable grooves; four ultraviolet lamp mounting blocks are arranged on the left side and the right side of the interior of the fixed shell; and the four ultraviolet lamp mounting blocks are distributed at the upper ends and the lower ends of the inner side surfaces of the two non-woven fabric movable grooves. According to the device, a sealing structure is adopted for dust removal and sterilization, so that dust is effectively prevented from floating indoors during dust removal, and the dust is prevented from damaging human health; a dust-free cloth fixing structure is arranged on the outer side of the device, so that dust-free cloth can be conveniently positioned and cleaned; a non-woven fabric vibration structure is arranged in the device, so that dust accumulated in gaps of the dust-free cloth is vibrated into air through high-frequency vibration; and the dust floating in the device is absorbed through an arranged dust suction device.

The invention relates to an integrated heat pump hot water unit, and relates to the technical field of heat pump hot water units. The integrated heat pump hot water unit comprises an air energy heat pump, a heat insulation water tank and a machine base, wherein the air energy heat pump and the heat insulation water tank communicate through a pipeline; a lifting platform capable of lifting in the vertical direction is arranged on the machine base; the air energy heat pump and the heat insulation water tank are fixedly arranged on the top part of the lifting platform; limiting plates symmetrically arranged on the front side and the rear side of the lifting platform are further fixedly arranged on the machine base; a ceiling located above the air energy heat pump and the heat insulation watertank is arranged between the two limiting plates; a plurality of sliding rods toward the limiting plates are arranged on the bottom part of the ceiling; a plurality of sliding chutes with openings toward the sliding rods are formed in the limiting plates; and the sliding rods are inserted from the openings in the upper ends of the sliding chutes and are slidably arranged on the limiting plates inthe height directions of the sliding chutes. The integrated heat pump hot water unit provided by the invention has the effect of realizing the height adjustment on the unit to prevent flooding so asto prolong the service life of the unit.