44results about How to "Reduced chance of crushing" patented technology

A four-foot hollow block with concaved outer side faces of convex feet comprises a block body, wherein a ventilation hole is formed in the center position of the block body, the upper part and the lower port of the ventilation hole communicate with each other, the four sides of the block body are concaved, the four corners of the upper surface and the lower surface of the block body are respectively provided with one overhead convex foot, each convex foot is provided with an outer side face connected with an adjacent block body, the lower section of each outer side face is chamfered, and the upper section of each outer side face is a concaved section; and when the two adjacent four-foot hollow blocks are tightly connected, a protection gap used for preventing the convex feet from being crushed is formed between the concaved sections of the convex feet of the two four-foot hollow blocks. The invention provides a construction method of the four-foot hollow block with the concaved outer side faces of the convex feet. According to the four-foot hollow block with the concaved outer side faces of the convex feet and the construction method of the four-foot hollow block with the concavedouter side faces of the convex feet, the possibility of crushing of the convex feet is effectively reduced, and the service life is prolonged.

The invention relates to an alternating foam storing and proportioning device for foam extinguishing system, comprising at least a foam storing container with normal pressure, at least two pressuring foaming tanks, at least a proportioning implement and control unit so on. The invention adopts at least a foam storing container to injecting foam to at least two pressuring foam tanks alternatively. Foam liquid in at least two pressuring foam tanks is outputted to the foam extinguishing system through at least a proportioning implement alternatively and continuously. The invention is provided with more accurate mixing foam liquid, simple device structure and uneasy break of rubber diaphragm. The key equipment, pressuring foam tank, in the invention can be produced in standardization. Its producing period is short and its cost is decreased greatly.

The invention discloses a buried cable branch box. The buried cable branch box comprises a branch box main body, a ventilation pipe is arranged at the center position of the top portion of the branchbox main body, the top portion of the ventilation pipe is provided with a canopy, the left side wall of the branch box main body is provided with a mounting port, a bearing groove is inserted at the inner cavity of the mounting port, the right side wall of the bearing groove is provided with a wire through port, and the left side of the bearing groove is provided with a sealing cover; the right side wall of the branch box main body is provided with a wiring port, a fixed seat is arranged at the side wall of the circumference of the wiring port, the right side of the wiring port is sleeved witha connection cover, the side wall of the circumference of the connection cover is provided with a connection seat, the right side wall of the connection cover is fixedly connected with a wiring duct,one end, extended to the inner cavity of the connection cover, of the wiring duct is sleeved with a plug cover, and a rubber sleeve of the inner cavity of the plug cover. The buried cable branch boxis reasonable in structure design, improves the firmness of the buried cable branch box and improves the sealing of the wiring position of the buried cable branch box so as to reduce the influence ofa humid environment on the working elements in the branch box main body.

The invention relates to the technical field of fuel component manufacturing, in particular to an automatic fuel rod spring compressing device and an automatic fuel rod spring compressing method. The automatic fuel rod spring compressing device comprises a length testing mechanism, a spring compressing mechanism, a substrate, a guide sleeve and a connecting handle, wherein the spring compressing mechanism is fixedly connected with the length testing mechanism through the connecting handle; the spring compressing mechanism and the length testing mechanism are arranged on the substrate; the guide sleeve is arranged on the substrate; the guide sleeve is used for fixing and limiting the spring compressing mechanism and the length testing mechanism. The automatic fuel rod spring compressing method comprises the following steps: measuring displacement of a core block by using the length testing mechanism, further measuring pretightening force to the core block, compressing a spring into a fuel rod casing by using the spring compressing mechanism, tightly compressing the spring, and simultaneously measuring the compression intensity of the spring and the pretightening force to the spring. By adopting the device and the method, the productivity and the product quality level are greatly increased, the rejection rate of compressed springs is reduced to be approximate to 0, meanwhile the spring compression operation process is simplified, and the working intensity of operators is alleviated.

The invention relates to a chip pickup device with buffer and reinforcement functions, which includes a vacuum pump and a suction nozzle, and also includes a buffer mechanism and a reinforcement mechanism. The buffer mechanism includes a first suction pipe, a second suction pipe, a connecting hose and at least two buffer Assemblies, the buffer assembly includes a second fixed block, a first fixed block, a connecting rod, a spring and a limit plate, the reinforcement mechanism includes a drive assembly and two fixed assemblies, and the fixed assembly includes a first transmission rod, a second Two transmission rods and support rods, the drive assembly includes a motor, a screw rod, a drive block and two bearings. In the chip pickup device with buffer and reinforcement functions, under the buffer effect of the buffer mechanism, the impact of the suction nozzle on the chip is reduced. The pressure of the chip reduces the probability of the chip being crushed and improves the practicability of the chip pick-up equipment. Through the reinforcing effect of the reinforcement mechanism on the suction nozzle, the probability of the suction nozzle detaching is reduced, and the practicability of the chip pick-up equipment is further improved. sex.

The present application provides a display panel and a display device, comprising: a first stretchable substrate and a second stretchable substrate arranged oppositely; a plurality of first support columns are arranged on the first stretchable substrate, and the second stretchable substrate A plurality of second support columns are arranged on the extension base plate, the first support columns and the second support columns are in one-to-one correspondence, and there is a cavity between the first support columns and the second support columns in one-to-one correspondence; A light-emitting device is provided, and the length of the light-emitting device is smaller than that of the cavity. In the display panel provided by the embodiments of the present application, the first support column and the second support column in the area where the light emitting device is located are used to support the display panel when the display device is pressed, and the first support column and the second support column are formed between the first support column and the second support column. There is a cavity, and the size of the cavity is larger than the size of the light emitting device, which further ensures that the probability of the light emitting device being squeezed is reduced, thereby reducing the probability of damage to the light emitting device during the folding or stretching of the display panel.

The invention discloses a Euphausia superba living sample collection method and relates to Euphausia superba living sample collection. The technical scheme disclosed by the invention comprises Euphausia superba group searching, sampling time, sampling tools, a collection method and operating processes. The method is characterized in that a scientific fish finder ek500 is used to search Euphausia superba groups in horizontal and vertical directions; the sampling time is 21:00 of every day to 01:00 of the next day from December of every year to February of the next year; collection netting gears are special Euphausia superba living sampling lift nets; the collection method is floating ball suspension off-ship sampling and mobile radio buoys are used for positioning; during the operating processes, the net lowering depth is controlled to be 5-10m below the surface of water and the net lifting speed is controlled below 0.1m / s.

The invention discloses a rotary graphene stripping device including a rotary cylinder body; a top cover is arranged above the rotary cylinder body, a bottom cover is arranged below the rotary cylinder body, the top of the top cover is provided with a feed inlet, the bottom of the bottom cover is provided with a discharge port, and the feed inlet is communicated with the interior of the rotary cylinder body; the outer side of the rotary cylinder body is provided with a first motor, and is used for driving the rotary cylinder body to horizontally rotate; the rotary cylinder body is also internally provided with an inner cylinder, and a second motor used for driving the inner cylinder to horizontally rotate in a direction opposite to the rotating direction of the rotary cylinder body is arranged below the rotary cylinder body; the upper part of the inner cylinder is shrunk in a certain angle, and a material storage space is left between the upper part of the inner cylinder and the upper part of the rotary cylinder body; the lower part of the inner cylinder and the lower part of the rotary cylinder body are in clearance fit to be used for grinding graphite sheets, and a clearance between the lower part of the inner cylinder and the lower part of the rotary cylinder body is successively decreased downward along the axial direction of the rotary cylinder body. The rotary graphene stripping device can achieve successful stripping of graphene. The invention also relates to a graphene production system containing the rotary graphene stripping device and a graphene production method.