32results about How to "Stable bottom" patented technology

The invention discloses a base plate connecting device for a security device. The base plate connecting device comprises a concrete base layer. A prefabricated embedded part is arranged on the upper portion of the concrete base layer, and the lower surface of the prefabricated embedded part is connected with the upper surface of the concrete base layer. A planar embedded plate is arranged on the upper portion of the prefabricated embedded part, and the upper surface of the planar embedded plate is connected with the lower surface of the prefabricated embedded part. A fixing bolt is arranged onthe upper portion of the planar embedded plate, and the lower surface of the fixing bolt is connected with the upper surface of the planar embedded plate. According to the base plate connecting device for the security device, the concrete base layer, the planar embedded plate and the prefabricated embedded part are matched, the defect of the thin inner wall of a traditional lamp post is overcome,through cooperation of hook-shaped steel bars, short steel bars and connecting steel bars, under the effect of the fixing bolt, the planar embedded plate is hinged to the prefabricated embedded part,a vertical rod is connected with the planar embedded plate and the concrete base layer into a whole, thus the stability of the whole structure is promoted, and the base plate connecting device is suitable for being applied and popularized.

The invention discloses an automatic classification device based on Internet of Things technology. The automatic classification device comprises a synchronous rolling wheel, an electromagnetic metering instrument, an automatic classifier, a classification container, an audible and visual alarm and a weight detector, wherein the electromagnetic metering instrument is arranged above the synchronousrolling wheel, the classification container is installed on one side of the automatic classifier, and the weight detector is installed below the audible and visual alarm. The device is scientific andreasonable in structure and safe and convenient to use; the synchronous roller is arranged to enable object blocks to keep constant conveying speed in the conveying process; the electromagnetic metering instrument is arranged, so that the number of the object blocks can be counted conveniently; the automatic classifier is arranged to classify and screen the object blocks according to the scanningresult of a scanning assembly; the classification container is arranged to carry out centralized boxing processing on the sorted object blocks; and the audible and visible alarm can be used for reminding a worker to transfer the container in time through the sound and the brightness; and the weight detector can be used for carrying out mass transfer on the object blocks according to the weight ofthe object blocks.

The invention discloses a logistics robot which comprises a guiding aisle and a stacking mechanism, wherein the stacking mechanism comprises a supporting plate placed on a bulge; a plurality of rolling wheels are mounted at the bottom of the supporting plate; a motor and two vertical columns are arranged on the supporting plate; rectangular grooves are formed in opposite side walls of the two vertical columns; the output end of the motor is connected with a connecting rod; the connecting rod penetrates through the lateral wall of any one of the two vertical columns and is arranged in the corresponding rectangular groove; an upper gear is mounted at the upper ends of the rectangular grooves; two lower gears are mounted at an end part of the connecting rod; the upper gear is connected with the lower gears through a gear belt; two reversely-mounted air cylinders are arranged on the upper wall of a lifting plate; pushing plates are mounted at the output ends of the air cylinders; and travel switches are electrically connected with the motor through a controller. In a lifting process, cargo on the lifting plate is raised or lowered at a relatively stable speed, thereby avoiding displacement caused by shaking of the cargo on the lifting plate and improving the cargo lifting safety reliability.

The invention belongs to the technical field of construction safety engineering, and discloses a scaffold base for construction engineering. The scaffold base comprises a plurality of supporting pipesand mounting pipes, the supporting pipes are obliquely arranged at intervals in the circumferential direction of the mounting pipes, and the lower end surfaces of the mounting pipes and the end surfaces of the supporting pipes far away from the mounting pipes are positioned on the same plane. According to the scaffold base for construction engineering, very large bearing capacity is provided forthe mounting pipes through the supporting pipes, and then the bottom of a scaffold is more stable and firmer, so that the safety of workers working on the scaffold is improved.

The invention provides a double-layer showing stand. The double-layer showing stand is formed by cutting and folding a piece of paper. The double-layer showing stand comprises a box body, wherein the box body comprises a storage inner cavity, a storage hole is formed in the front end surface of the box body, the storage inner cavity is communicated with the exterior by virtue of the storage hole, the height from the rear end surface of the box body to the bottom surface of the box body is greater than that from the front end surface of the box body to the bottom surface of the box body, an angle formed between a plane on which the top surface of the box body is arranged and a plane on which the bottom surface of the box body is arranged is an acute angle, the rear edge of the top surface is connected to the rear end surface, the front edge of the top surface is connected to the front end surface, the height from the rear edge of the top surface to the bottom surface of the box body is greater than the height from the front edge of the top surface to the bottom surface of the box body, and the distance from the upper edge of the rear end surface to the rear edge of the top surface is more than zero. The double-layer showing stand can stay at a spread state in the transport process; moreover, when in use, the double-layer showing stand can be rapidly formed according to fold, convenience can be realized, and the transport cost also can be saved.

The invention relates to the technical field of physical training equipment, and discloses a football training-based pitching machine which comprises a base plate, a first fixing frame, a fixing cylinder and a second fixing frame are fixedly mounted at the top end of the base plate, and the first fixing frame and the second fixing frame are fixedly connected; a first inserting column is pulled towards one side, the first inserting column can be separated from a first inserting hole and extrudes a second reset spring, in this way, a first rotating handle can rotate, a first threaded column can be driven to rotate when the first rotating handle rotates, and a first moving block can be driven to move when the first threaded column rotates; when the first moving block moves, the included angle between a launching cavity of the launching cylinder and the mounting plate can be adjusted through a second pin shaft seat, a second supporting column, a first pin shaft seat and a third pin shaft seat, so that the launching angle of the football can be adjusted through the launching cylinder, football training is facilitated, and the convenience of angle adjustment of the launching cylinder is also achieved.

The invention relates to an integrated device for separating and processing raw materials for chemical machinery. The integrated device comprises a main body, a second cavity and first heating wires.A first cavity is fixedly formed in the main body, and a feed inlet is formed in the top end of the main body. The second cavity is fixed to the interior of the main body, and a rotating shaft is disposed on the inner side of the second cavity. A movable plate is movably disposed at the bottom end of the rotating shaft, and a first telescopic rod is disposed on the left side of the movable plate.The integrated device has the beneficial effects that the first cavity, the second cavity, the first heating wires and second heating wires are arranged, and the central axis line of the first cavitycoincides with the central axis line of the second cavity, so that under the action of the first cavity and the second cavity, processing operations are performed on the raw materials with different diameters; and by starting the first heating wires and the second heating wires, the materials with a larger diameter located on the inner side of the first cavity are heated by the second heating wires when the second heating wires perform heating operation on the materials on the inner side of the second cavity.

The invention discloses a tungsten bar stacking crucible for a intermediate frequency furnace. The tungsten bar stacking crucible comprises a pot body and a supporting cylinder, wherein the pot body is formed by stacking and assembling a plurality of stacked tungsten bars, and an upper portion and a lower portion of the pot body are open; the supporting cylinder is arranged below the pot body; a limiting ring is fixed to an inner wall of the pot body; a blocking disc is fixed to the top of the supporting cylinder; the blocking disc is slidably arranged on the inner wall of the pot body and abuts against the bottom of the limiting ring; and a plurality of sleeves and a plurality of expansion blocks are fixed to a side face of the top of the supporting cylinder. According to the invention, the supporting cylinder is filled with mercury, the mass of the supporting cylinder and the mass of the mercury are very large, the gravity center of the whole pot body moves downwards, and the bottom of the pot body is very stable, so that the pot body stands stably and is high in safety; the mercury is cooled in the supporting cylinder, and the volume of the mercury is reduced, so that negative pressure is generated in the supporting cylinder, a communicating pipe and a telescopic cylinder; a telescopic rod is contracted into the telescopic cylinder, so that a clamping head and a clamping sleeve are separated; and a clamping rod is not supported and inclines downwards, so that the blocking disc can be detached from the interior of the pot body, high-temperature liquid metal can be poured out from the bottom of the pot body, and the use safety is very high.

The invention belongs to the technical field of road lighting, and particularly relates to a wind-resistant energy-saving road lamp which comprises a lamp post, an annular fixing block is fixedly connected to the lower surface of the lamp post, threaded holes are formed in the upper surface of the annular fixing block, an access door is arranged on the outer surface of the lamp post, and the outersurface of the lamp post is fixedly sleeved with an annular fixing table. According to the wind-resistant energy-saving road lamp, the fixing device is arranged on the outer surface of the lamp postand comprises a fixing ring, and the inner wall of the fixing ring is fixedly connected with the outer surface of the lamp post in a sleeving mode, so that a solar cell panel at the top of the lamp post fully absorbs solar energy, and the problem that an existing solar cell panel cannot be moved, so that solar energy cannot be fully absorbed, and insufficient power storage and insufficient power supply are likely to occur at night is solved.

An inland terminal depot structure comprises a wharf platform, a shore base, at least three river bases and at least two supporting bases. A reinforcement convex edge is arranged at one end of the shore base, and at least three reinforcement protrusions are sequentially distributed on the inclined face of one end of each river base from top to bottom, wherein the reinforcement protrusions and theriver base are of an integrated structure. At least three reinforcement seats are sequentially distributed at the two ends of each supporting bases from top to bottom, wherein the reinforcement seatsand the supporting bases are of an integrated structure. Multiple first reinforcement rings are fixedly arranged on each supporting base. Multiple second reinforcement rings are fixedly arranged on each river base. The inland terminal depot structure comprises at least four wave consumption mechanisms. Each wave consumption mechanism comprises a supporting frame and multiple wave consumption rods.The first reinforcement rings and the second reinforcement rings cooperate with a steel rope structure, so that connection between the supporting bases and the river bases is stable, and strength ishigh.