72results about How to "Avoid bumps" patented technology

The invention relates to an automatic leveling control device for an air cushion suspended transport vehicle, which controls the posture of the air cushion suspended transport vehicle. The device comprises an electric-controlled proportional pressure reducing valve (32), a remote-controlled pressure-reducing valve (31) and a height detection device (4). The height detection device (4) comprises a guide rod (11), a high-position baffle plate (17), a low-position baffle plate (18), a high-position optoelectronic switch (19) and a low-position optoelectronic switch (20) and is fixed on the air cushion vehicle, wherein the guide rod (11) is contacted with the ground; the high-position baffle plate (17) and the low-position baffle plate (18) are positioned at the same horizontal position on the left and right sides of the guide rod (11); and the high-position optoelectronic switch (19) and the low-position optoelectronic switch (20) are fixed on a pedestal (21). When the guide rod (11) glides up and down, the high-position and low-position baffle plates can baffle the high-position and low-position optoelectronic switches (19, 20). The automatic leveling control device is applicable to the air cushion suspended vehicle.

The invention discloses a rail type intelligent pesticide spraying vehicle, and belongs to the field of agricultural machinery. The rail type intelligent pesticide spraying vehicle comprises slide rails, support rods, a towing vehicle, a pesticide dilution tank and two spraying devices. The support rods can be erected on ridges, the slide rails comprise first slide rails and second slide rails andare fixedly laid on the support rods, the towing vehicle is slidably arranged on the first slide rails, the pesticide dilution tank is arranged on a bottom plate of the towing vehicle, and the two spraying devices are symmetrically distributed on two sides of the towing vehicle. The rail type intelligent pesticide spraying vehicle has the advantages that the two slide rails are arranged between the ridges, accordingly, the pesticide dilution tank and the spraying devices can be driven by the towing vehicle to carry out operation, and the maneuverability of the towing vehicle can be enhanced;pesticides can automatically flow towards spraying heads to be sprayed, accordingly, spaces of the ridges can be utilized, and the spraying efficiency can be improved; pesticide liquid can be timely replenished by the aid of a water pump and a pure pesticide tank.

The invention discloses an intelligent robot, a pitching mechanism and a transmission structure thereof. The intelligent robot comprises a substrate, a rack and a gear. The gear is rotatably connectedto the substrate, the gear is engaged to the rack, the rack is slidably connected to the substrate, an elastic supporting part leaning against the rack is arranged on the substrate, the rack is arc-shaped, and the head of the robot is fixed to the rack, so that the gear rotates to drive the rack to move to pitch the robot head. In the transmission process of the gear and the rack, the elastic supporting part can be driven properly to shrink toward the substrate, so that the gear and the rack can transmit normally by means of an enough gap. After transmission, the elastic supporting part willrehabilitate under an elastic restoring force, so that the gap between the gear and the rack is reduced, and therefore, the stability of the gear and the rack after transmission is better, the condition of swinging is easily avoided, and the stability is better.

The invention relates to a method for preparing a lower electrode of a metal-insulator-metal semiconductor device, comprising the following steps of: providing a semiconductor substrate to form an insulation dielectric layer on the surface of the semiconductor substrate; forming a titanium liner on the surface of the insulation dielectric layer; forming a first titanium nitride layer on the surface of the titanium liner; forming a metal layer on the surface of the first titanium nitride layer by multiple steps; and forming a second titanium nitride layer on the surface of the metal layer. The preparation method disclosed by the invention is beneficial to reducing a breakdown voltage of the metal-insulator-metal semiconductor device.

The invention relates to convenient-to-store carrying equipment used for a warehouse. The carrying equipment comprises a supporting plate and four rolling wheels, wherein the supporting plate is horizontally arranged, the rolling wheels are evenly arranged at the bottom of the supporting plate, an auxiliary mechanism and a cleaning mechanism are arranged on the supporting plate, the cleaning mechanism is located at the bottom of the supporting plate, the auxiliary mechanism comprises a push rod, two connecting assemblies and four storage assemblies, each connecting assembly comprises a movingrod, a supporting block, a connecting rod, a limiting block and a stop block, and each storage assembly comprises a fixing pipe, a connecting plate, two fixing rods, two fixing blocks, two mounting holes and two locking units. According to the convenient-to-store carrying equipment for the warehouse, the convenient-to-store function is achieved through the auxiliary mechanism, in addition, the impurity removing function is achieved through the cleaning mechanism, and the situation that the equipment jolts due to impurities is avoided.

The invention provides a harvesting device and a harvester, and relates to the technical field of agricultural machinery. The harvesting device comprises a controller, a pressure sensor, a harvestingmachine and a first motor; the first motor is connected with the harvesting machine, and the first motor is used for driving the harvesting machine to rotate; the first motor and the pressure sensor are all connected with the controller; the pressure sensor is used for detecting pressure data received by the first motor and transmitting the pressure data to the controller; and when the pressure data is higher than a preset pressure value, the controller controls to close the first motor so that the harvesting machine stops rotating. The harvesting device can stop the rotation of the harvestingmachine when the harvesting machine encounters a blockage or touches a hard object, so that the situation that when the height is changed, a harvesting machine in the prior art is still in operationand a bump is caused is avoided; and in addition, the effect of the pressure sensor cannot be influenced by the factors such as terrain or visibility, so that the harvesting device has strong practicality.

The invention provides a temporary storage device for processing an OLED curved screen. The temporary storage device is used for storing the curved screen and comprises a base, four vertical plates, apolished rod, two nuts, a driving mechanism, two adjusting plates, a plurality of connecting rods, a guiding rod, two rotating shafts and fixtures; the two ends of the polished rod and the two ends of the guiding rod are transversely pivoted to a supporting block at the top of the base; lead screw sections which are symmetrically arranged and are opposite in thread are arranged on the two sides of the polished rod; and the driving mechanism meshes with the middle section of the polished rod and can drive the polished rod to rotate. The radian of the fixtures on the two adjusting plates is adjusted according to the radian of the curved screen, then the two ends of the curved screen slide into the fixtures, the bottom of the curved screen is supported on supporting wheels, the curved screenis fixed in the fixtures through fixing bolts, the curved screen is limited in the fixtures through limiting bolts on the fixtures, the curved screen is fixed by the device according to the arc characteristic of the curved screen, unstable jolting of the curved screen in the transportation process is effectively prevented, and the safety and the stability in the transportation process are improved.

The invention discloses a stator winding glue filling device and a glue filling method thereof. The device comprises an upper plug and a lower plug which are used for sealing the upper end and the lower end of a stator winding, wherein the stator winding can be placed on a lower bottom plate of a sleeve with a dismounting hole; a detachable bottom blocking pad is arranged on the lower bottom plateof the sleeve; the sleeve is sealed through the bottom blocking pad; and glue filling is carried out on the stator winding. According to the stator winding glue filling device and the glue filling method thereof, the structure is simple, and the operation is convenient.

The invention discloses an axially-sealed-type security tapered end drawback lock which comprises a shell (1), an inner tapered end (3), an outer tapered end (2) which is installed inside an outer tapered end installing hole (5011) in a door body (5), a cover plate (6) which is installed at the inner surface (504) of the door body (5), and a panel (7) which is connected with the shell (1) and is installed on a side surface (502) of the door body (5), wherein the inner tapered end (3) is installed in a first tapered end installing hole (14) of the cover plate (6) and a second tapered end installing hole (5041) (which is matched with the first tapered end installing hole (14)) of the door body (5); the outer tapered end (2) and the inner tapered end (3) are both provided with spirally arranged tapered end holes (13); and a key (12) is provided with concave holes (1203) which are spirally arranged in a matching manner.

The invention provides a dynamic leveling agricultural machine and a control method thereof, and aims to solve the problem that the posture cannot be automatically adjusted in the prior art. The dynamic leveling agricultural machine comprises a multi-point independent suspension mechanism, a walking main body, an agricultural tool, a height detection system and an inclination state detection system, wherein the agricultural tool is arranged on the walking main body through the multi-point independent suspension mechanism; the height detection system is used for detecting the height of the agricultural tool in real time; the inclination state detection system is used for detecting the inclination state of the agricultural tool; and the multi-point independent suspension mechanism comprises a bracket as well as a left support assembly, a right support assembly and a middle support assembly which are arranged on the bracket. The dynamic leveling agricultural machine can be positioned at a relatively fixed height during field preparation, the inclination state of the agricultural tool in front-back and left-right directions can be monitored, and three points are dynamically corrected, so that the problem of unevenness during field preparation or other operations is solved.

The invention discloses a prefabricated building. The prefabricated building comprises a prefabricated wall plate, a standard ceiling and a standard ground module. A prefabricated wall body componentis internally provided with a reserved passageway allowing a power supply pipeline to penetrate through, the upper end and the lower end of the reserved passageway extend to the roof and the ground surface of a room, and communicate with an upper part pipeline passageway located on the roof and an lower part pipeline passageway located on the ground correspondingly, a power point location interface which extends to the outer part of the prefabricated wall body component is distributed in the length direction of the reserved passageway; the standard ceiling is installed on the prefabricated wall plate and comprises an connector assembly and a ceiling; the standard ground module comprises foot margins arranged on a base plane, horizontal connecting rods which are fixedly connected with the foot margins and are horizontally arranged, and a standard module, wherein the standard module is a prefabricated integrated standard module, fixedly installed on the horizontal connecting rods, and isthe main body of the ground. The problems that in the prior art, the construction period of the prefabricated building is long, and the construction efficiency still cannot meet the requirements of the prefabricated building are solved.

A blanking device for receiving thermoformed parts in metal thermal processing, comprising a material receiving part and a bracket, the material receiving part is a metal wire arranged at intervals, and the metal wire is 10% by weight of Fe ‑16% Ni-based alloy, the hot-formed part is a camshaft, the metal is hot-processed by cross-wedge rolling, and a slide part is also included, and the slide part is connected to one end of the bracket close to the cross-wedge rolling mill Connected, the bottom of the end of the bracket close to the cross wedge rolling mill is hinged with the ground support on the ground through the hinge frame, and the bottom of the end of the bracket away from the cross wedge rolling mill is hinged with the piston of the lifting cylinder through the hinge block The ends of the rods are hinged together, and a cooling groove is placed at the bottom of the support, and cooling water is installed in the cooling groove.

The invention discloses a machining method of a multi-angle tiny square groove. The method comprises the following steps: a lower cutter hole of which the radius is smaller than the length and the width of a tiny square groove is formed by drilling in the central position of the tiny square groove; and then, with the center of the lower cutter hole as a starting point, a milling cutter of a milling groove performs milling to one side edge of the tiny square groove along the radius direction of one side edge, perpendicular to the tiny square groove, of the lower cutter hole, and the milling cutter surrounds the four side edges of the tiny square groove for a circle along the same direction, returns to the central position of the lower cutter hole and stops milling, so that the tiny square groove can be obtained. Due to the fact that the cutter stops milling in the center of the tiny square groove finally, salient points are avoided, and the machining quality is improved. Meanwhile, themachining method has the advantages of being easy and fast in machining, high in precision and the like.

The invention relates to the technical field of well lids, and discloses a rapid mounting type well lid made of an environment-friendly composite material. The well lid comprises a roadbed, a pressingpad is laid on the top of the roadbed, a mounting part makes contact with the top of the pressing pad, a fixed block is fixedly mounted on the right end of the top of the mounting part, the fixed block is movably provided with a moving rod through a rotating shaft, the left end of the moving rod is fixedly provided with a top lid located above the mounting part, the left side of the top lid is fixedly provided with a mounting side rod, and the left end of the mounting side rod is fixedly provided with a fixed rod. According to the rapid mounting type well lid made of the environment-friendlycomposite material, through inserting of an inserting rod, a clamping rod can push an auxiliary spring to shrink, meanwhile, the clamping rod is clamped in a clamping groove, fixing of the mounting part and the roadbed can be achieved, a pull ring is pulled to enable the auxiliary spring to push the clamping block to be separated from the clamping groove, the structure on the whole mounting part can be detached, and rapid mounting and dismounting can be achieved.

The invention relates to the field of petroleum pipeline transportation, in particular to a petroleum pipeline transfer vehicle capable of preventing weld joint collision. The invention aims to solve the technical problem that in the transfer process of a pipeline, the two ends to be welded can be dislocated after being extruded. According to the technical scheme, the petroleum pipeline transfer vehicle capable of preventing weld joint collision comprises a movable frame, a turnover limiting plate, a support frame, an anti-extrusion system and the like, wherein the turnover limiting plate is mounted at the left side of the top of the movable frame. According to the petroleum pipeline transfer vehicle, the effect that limiting columns are matched with upward vibration and outward turnover of the pipeline, so that the pipeline has a vibration buffer space during jolting, and is not in direct collision and extrusion with the limiting columns is achieved.

The invention belongs to the technical field of electric power construction equipment, and particularly relates to a conveying device for instrument calibration equipment. The conveying device for theinstrument calibration equipment comprises a base, a sleeve, a lifting rod, a box body and a clamping mechanism, wherein the bottom end of the sleeve is connected with the base; the bottom end of thelifting rod is connected with the top end of the sleeve in a telescoping manner; the box body is connected with the top end of the lifting rod, and used for moving under the driving of the lifting rod; the interior of a cavity body of the box body is used for placing the instrument calibration equipment; and the clamping mechanism is connected with the box body, and used for clamping the instrument calibration equipment. The conveying device for the instrument calibration equipment is capable of conveying the instrument calibration equipment into upper air from the ground, without the need ofholding by operating personnel during climbing and supporting by the operating personnel during calibration, so that the safety risk of the operating personnel during overhead working is lowered.

The invention relates to the technical field of packaging, and aims to solve the problems that the whole air conditioner is inconvenient to package and transport due to excessive auxiliary accessories of the existing air conditioner, and the auxiliary accessories are easy to fall off and damage in the transportation process. A first cushion block, a second cushion block and a third cushion block are contained in a box body, the first cushion block and the second cushion block are of groove-shaped structures and are buckled with each other to form a containing cavity, a sinking groove is formed in the third cushion block, a plurality of grooves are formed in the butt joint face of the first cushion block and the box body, and the first cushion block and the second cushion block are buckled with each other to form a containing cavity. Fixing components are arranged on the two sides of the groove. During transportation, the air conditioner is arranged in the containing cavity, the first cushion block and the second cushion block are arranged in the sinking groove, and the auxiliary accessories are arranged in the groove, so that the air conditioner is prevented from being collided due to impact during transportation, the upper space of the first cushion block is fully utilized, the auxiliary accessories do not need to be independently packaged and transported on the premise that the packaging size is not increased, and the transportation cost is reduced. The fixing components prevent the auxiliary accessories from falling off and being damaged in the transportation process, transportation is convenient, and the transportation cost is saved.

The invention belongs to the field of mechanical manufacture and relates to an assembling device and an assembling method for gearbox double-shaft assemblies of a tractor. The assembling device comprises a body component (9), two sets of guide components (10), a locating component (11), a hoisting hook component (12) and a pre-installing component (13). The locating component (11), the guide components (10) and the hoisting hook component (12) are fixedly connected to the body component (9) to form a fixedly connected 'integral assembly'. According to the assembling device and the assembling method for gearbox double-shaft assemblies of the tractor, when the double-shaft assemblies conduct assembly in a casing of a power shifting gearbox in an arranging mode, mesh gears between the double-shaft assemblies are in the normal mesh state, collision mechanical damage produced on the mesh faces of the gears is avoided, and it is further ensured that the double-shaft assemblies are accurately aligned when the double-shaft assemblies fall down, so that seal rings at the shaft ends are prevented from being cut, scratched and damaged. In addition, the assembling device is novel in structure, the assembling method is easy to implement and has good use value.

The virtual reality glasses set comprises a lower shell, an upper shell and a glasses body, one end of the lower shell is fixedly connected with one end of the upper shell, the upper surface of the lower shell is parallel to the lower surface of the lower shell, the upper surface of the upper shell is parallel to the lower surface of the upper shell, and a fixing protrusion is arranged in the middle of the lower surface of the lower shell; a first groove is formed in one side of the lower shell, a loading net is arranged between the upper shell and the lower shell, the loading net is fixedly connected with the upper shell, the glasses body comprises imaging parts and glasses legs, the glasses legs are arranged on the two sides of the imaging parts, the imaging parts are arranged in the middle of the lower shell, and the glasses legs are located on the outer sides of the fixing protrusions. According to the virtual reality glasses set, the virtual reality glasses and the packaging box are used in cooperation, so that the virtual reality glasses can be stably placed in the packaging box and are very convenient to carry, the situation that the virtual reality glasses collide in the transportation process is prevented, the virtual reality glasses set can contain other objects, and the requirements of users are met.

The invention discloses a preparation device of an ABS (acrylonitrile butadiene styrene) modified PVC (polyvinyl chloride) sheet. The preparation device comprises a rack arranged on one side of a discharge port of an extruder and a shaping and cooling device arranged on the rack, and the shaping and cooling device is used for cooling and shaping the PVC sheet while conveying the PVC sheet. The shaping and cooling device comprises cooling frame construction parts, auxiliary shaping parts and a connecting assembly, the auxiliary shaping parts and the cooling frame construction parts move synchronously, and the connecting assembly is used for connecting the cooling frame construction part and the other cooling frame construction part to form a flowing channel. During use, the PVC sheet can becooled in advance through the arranged cooling frame construction parts, the PVC sheet can be cooled in advance to form a supporting frame, the formed supporting frame can be used for supporting thePVC sheet when the PVC sheet is further comprehensively cooled through the auxiliary shaping parts, so that the problem that the surface of the PVC sheet is prone to being uneven due to internal stress is avoided.

The invention relates to protection and turnover of machined products, in particular to a turnover device for balance shafts. The turnover device comprises V-shaped-groove insulating plates1 and a wooden support frame 2. The V-shaped-groove insulating plates 1 which are rectangular strips are perpendicularly arranged on an inner frame of the wooden support frame 2, a plurality of V-shaped grooves are formed uniformly in the V-shaped-groove insulating plates 1 for disposing and taking of workpieces at any time, and the wooden support frame 2 is a square frame and plays a role in integral fixation. When the turnover device is used for turnover, bumping and collision can be effectively prevented, and the appearance quality of products is guaranteed; besides, by the aid of the design of the V-shaped grooves, disposing and taking at any time is facilitated; further, through stacking in upper and lower layers, space is saved, and the device can be recycled.

The invention discloses a glass plate fixing structure and a shower room. The fixing structure comprises a glass plate, a glass fixing profile and at least one first connecting piece, and the glass plate is provided with a first side face and a second side face which are opposite in the thickness direction of the glass plate; at least one first mounting groove is formed in the edge of the glass plate, a notch of the first mounting groove faces the glass fixing profile, and the first mounting groove does not penetrate through the first side face of the glass plate; and the first connecting piece is provided with a first connecting part and a second connecting part, the first connecting part is fixed into the first mounting groove, and the second connecting part is fixedly connected with the glass fixing profile on the outer side of the notch of the first mounting groove. According to the glass plate fixing structure, the integrity of the first side face of the glass plate can be kept, and unevenness and gaps are avoided, so that when the glass plate fixing structure is applied to the shower room and the first side face of the glass plate serves as the inner side face, the problem of dirt hiding caused by unevenness or gaps of the inner side face of the glass plate is solved.