34results about How to "Replacement reached" patented technology

The invention relates to the technical field of railway vehicles and discloses a stepless adjusting quasi-zero stiffness central suspension device. The stepless adjusting quasi-zero stiffness centralsuspension device comprises a bogie and a fixing plate; a supporting plate is slidingly connected to the internal wall of the bogie; moving grooves matched with the two ends of the supporting plate are formed in the internal wall of the bogie; two symmetrically distributed slide grooves are fixedly formed in the upper surface of the supporting plate; slide blocks are slidingly connected to the internal walls of the two slide grooves; first arc plates are mutually and fixedly connected to the upper surfaces of the two slide blocks; and second arc plates are fixedly connected to the lower surfaces of the first arc plates. According to the stepless adjusting quasi-zero stiffness central suspension device, through two-stage shock absorption, the shock absorbing effect of the stepless adjustingquasi-zero stiffness central suspension device can be effectively improved, the vehicle body taking comfort can be improved, overload working of the stepless adjusting quasi-zero stiffness central suspension device can be effectively avoided, the service life of the stepless adjusting quasi-zero stiffness central suspension device can be prolonged, the buffering spring changing process of the stepless adjusting quasi-zero stiffness central suspension device is simple, convenient and fast, time and labor are saved, and the maintenance efficiency of the stepless adjusting quasi-zero stiffness central suspension device is enhanced.

The invention discloses a novel auxiliary rising device for nursing, including a bed body and a rotating plate, wherein the right end of the bed body is provided with a placing groove adapted to the rotating plate; the rotating plate is fixed in the right end of the placing groove through a rotating shaft; a moving mechanism comprises a rotating shaft 3, a sleeve connected to the outer surface ofthe rotating shaft 3 through a bearing and a gear 3 symmetrically fixed on both ends of the rotating shaft 3 and meshed with a rack; and the direction adjusting device comprises a gear 4 fixed at oneend of the sleeve, a gear 5 fixed on the outer surface of the rotating shaft 3 and meshed with the gear 4, a pulley 1 fixed on the rotating shaft 3, and a locking mechanism fixed on the rotating shaft3 between the gear 4 and the pulley 1. The invention not only saves manpower, but also realizes the supine movement of the waist of the user with the turning back and forth of the rotating plate by the leg pedal, thereby facilitating the waist movement.

The present invention provides a medical infusion support capable of reminding patients to replace infusion, and relates to the technical field of medical device machinery. The medical infusion support capable of reminding patients to replace infusion comprises a machine body outer shell, a telescopic rod is fixedly connected to an interior of the machine body outer shell, a first spring is fixedly connected to a bottom part of a supporting rod, an electromagnet is movably connected to a bottom part of one end, close to the telescopic rod, of the supporting rod, and a magnetic pole ball is fixedly connected to a bottom part of the electromagnet. The supporting rod is tilted through gravity of a liquid bag, when dosage of liquid is about to be infused up, the supporting rod returns to an original position to make contact with the electromagnet, the electromagnet and the magnetic pole are used in cooperation to drive gears to rotate, therefore a scale box on an outer side of the machinebody outer shell is changed, an effect of reminding patients to replace infusion is achieved, through cooperation use of a compression rod and a sliding block, when the liquid is reduced, the supportis compressed, and an effect of conveniently replacing infusion is achieved.

The invention discloses an LED street lamp device with a quick cooling function. The LED street lamp device comprises a lamp cap, a circuit board and a bracket, wherein the lower end of the lamp cap is connected with a lamp body; the lower end of the lamp body is provided with a lamp skirt; the lower end of the lamp skirt is provided with a lampshade; the lower end of the circuit board is fixedlyprovided with an LED lamp; the center of the circuit board is provided with a first fastening bolt; and the bracket is connected with the lamp cap through a second fastening bolt. The LED street lampdevice with the quick cooling function is provided with the lamp body, the lamp skirt, the LED lamp and the first fastening bolt, during use, the lamp body and the lamp skirt are mounted through the first fastening bolt, a distance is reserved between the lamp body and the lamp skirt, the length of an LED is greater than the distance between the lamp body and the lamp skirt, and the certain lengthof the LED needs to be reserved in the lamp skirt, so that the LED lamp between the lamp body and the lamp skirt can be well exposed outside; and wind in air flows through the position between the lamp body and the lamp skirt, so that the purpose of quickly cooling the LED lamp is achieved.

The invention relates to a variable combined encryption lock, belonging to the technical field of encryption lockset structures. The variable combined encryption lock comprises a lock body and lock cylinders, and is characterized in that 2-6 lock cylinders are connected in series in the lock body; a marble spring and a marble are arranged in each lock cylinder respectively; the head end of the lock body is provided with a lock cylinder end, and one end of a first lock cylinder is connected with the lock cylinder end; the tail end of the lock body is provided with a lock cylinder tail, and one end of a tail end lock cylinder is connected with the lock cylinder tail; a lock body back cover and a copper sleeve are sleeved on the lock cylinder tail, and the contact surface of the copper sleeve is contacted with the contact surface of the lock body back cover; the lock cylinder tail is provided with a fixing groove, and a spring ring is buckled into the fixing groove on the lock cylinder tail to fix the relative positions of the copper sleeve, the lock body back cover and each lock cylinder in the lock body; the lock body back cover is fixed together with the lock body through a screw; a decorating sleeve is sleeved at the head end of the lock body; a drilling-resistant sheet is arranged in the decorating sleeve. A lock cylinder portion consists of the lock cylinder end, the lock cylinders and the lock cylinder tail, and the internal structure of the lock can be changed by replacing assemblies or changing the positions of the assemblies, thereby changing the internal structure of the lock and fulfilling the aim of replacing with a new lock. The variable combined encryption lock is convenient and practical.

The invention relates to a bulletin board, in particular to a slidable replacement bulletin board in the Department of Cardiology. The technical problem to be solved by the present invention is how to design a slidable replacement bulletin board in the Department of Cardiology that can easily replace the propaganda content. In order to solve the above-mentioned technical problems, the present invention provides such a slidable replacement bulletin board in cardiology department, which includes: a frame body, the lower part of which is hingedly connected with a first bracket and a second bracket, and the first bracket and the second bracket are connected Two writing boards are arranged, and the two writing boards are respectively connected on both sides of the frame body; the replacement device is arranged on the frame body; the reset device is arranged on the frame body. The beneficial effects of the present invention are: the present invention can place publicity posters by replacing the device, so as to achieve the function of publicity columns.

The invention relates to the technical field of garment equipment, and discloses a clothing perforating device with a replaceable needle head. The device comprises a shell and a working platform, a metal block is fixedly connected to the interior of the shell, a metal ball is slidably connected to the bottom of the metal block, a first push block is fixedly connected to the surface of the metal ball, a first long rod is rotationally connected into the shell, and a first notch is formed in the surface of the first long rod. According to the clothing perforating device with the replaceable needle head, the metal ball makes contact with the metal block by pressing the first push block, electromagnetic devices attracts first magnetic blocks to drive second push blocks to slide, the first magnetic blocks drive the second push blocks to be disengaged from third notches, a first driving shaft drives an inner wheel and a tool changing device to rotate, when a tool bit on the tool changing device rotates to the middle of the bottom of the shell, a third magnetic block in the shell pushes a second magnetic block to drive the tool bit to move, clothes on the working platform are perforated, and therefore the effect of replacing the needle head is achieved.

The invention provides a replacement device and a replacement method. The replacement device and the replacement method are used for replacing a laser scanning unit of a three-dimensional printer, and a side cover of the printer is hinged to one side of a bottom shell; the replacement device comprises a carrying table, a rack, a first wheel shaft, a second wheel shaft and a control pin; the carrying table is used for carrying the laser scanning unit and is provided with a fixing groove; the rack is arranged on the bottom shell and is provided with a first side and a second side; the first wheel shaft is arranged between the side cover and the first side of the rack; the second wheel shaft is meshed with the second side of the rack; the control pin is arranged on the second wheel shaft; after the side cover is opened, the side cover drives the first wheel shaft to roll, the first wheel shaft drives the rack to move in the first direction, the rack drives the second wheel shaft to roll, and the second wheel shaft drives the control pin to move; when the carrying table is located at a first position, the control pin is inserted into the fixing groove so that the carrying table can be fixed; when the carrying table is located at a second position, the control pin can not be inserted into the fixing groove. According to the replacement device and the replacement method, the carrying table is locked at the initial position, and thus the purpose that the laser scanning unit is replaced on the basis that other devices are not damaged is achieved.

The present invention provides a picture processing method, a sending method, a processing device, and a sending device, wherein the picture processing method includes: a terminal extracts a predetermined image displayed on a first picture in the terminal; the terminal acquires a second picture; the terminal acquires a second picture; The terminal combines the predetermined image and the second picture into one picture. The present invention solves the problem in the related art that it is impossible to change the picture background randomly, and further achieves the effect of randomly changing the picture background.

The invention discloses a method beneficial to replacement of a mine feeding well shaft sleeve. Comprising a plurality of shaft sleeves, a flange assembly, a feeding well feed port sleeve fixing device and a feeding well discharge port sleeve fixing device. After the feeding well reaches a certain service life, the shaft sleeve is connected with a new shaft sleeve in unit length at the feeding port through the flange assembly, then the fixing device at the feeding port of the feeding well and the fixing device at the discharging port are opened, the shaft sleeve gradually falls to the underground storage bin under the gravity action of the shaft sleeve, and the shaft sleeve is fixed to the feeding port of the feeding well. The bottommost section of the original shaft sleeve is disassembled in the storage bin, and the two fixing devices are operated to fix the shaft sleeve again at the same time, so that the replacement operation of the shaft sleeve part is completed, and the operation is circulated until the replacement of the whole shaft sleeve is completed. The service life of the feeding well is prolonged, a large amount of manpower and material resource investment and resource waste are reduced, and sustainable development is achieved.

The invention discloses a landscaping ceiling of a clean corridor of an operating room. The landscaping ceiling comprises an arc-shaped box, a light emitting part, a connector and an arc-shaped PE (polyethylene) ceiling, wherein the middle of the arc-shaped box is high; two ends of the arc-shaped box are low; the bottom of the arc-shaped box is opened; the light emitting part is fixed on the inner top surface of the arc-shaped box; the connector is fixed on the opened portion of the arc-shaped box; the arc-shaped PE ceiling is detachably arranged in the connector; the middle of the arc-shaped PE ceiling is high; two ends of the arc-shaped PE ceiling are low; and landscaping patterns are arranged on the arc-shaped PE ceiling. The landscaping patterns are arranged on the arc-shaped PE ceiling; the clean corridor of the operating room has a natural, harmonious and peaceful space atmosphere by illumination of the light emitting part arranged in the arc-shaped box; and the landscaping ceiling of the clean corridor of the operating room not only can improve the medical environment, but also facilitates physical rehabilitation of patients.

The invention discloses a novel needle selection method for a glove machine. The pogo pins of the glove machine are screened by a needle pressing mechanism on the machine head of the glove machine to realize a specific working mode of the glove machine. After the magnetic bar made of magnetic material is magnetized The strong residual magnetic field can absorb the pressed pogo pin, and the magnetic bar made of magnetic material will disappear after the reverse magnetization, so that the pogo pin cannot be attracted. The present invention conveniently selects the needle group by magnetizing or demagnetizing the magnetic rod, without replacing or adjusting the mechanical structural parts, so as to achieve the purpose of changing the glove pattern. Exchange the positive and negative poles to magnetize or demagnetize the magnetic bar.

The invention relates to a mechanical replacement device used for replacing an end effector. The mechanical replacement device used for replacing the end effector mainly comprises a first connecting unit and a second connecting unit, wherein a plurality of movable pieces and a plurality of elastic pieces are arranged in the second connecting unit, and each movable piece is matched with one elastic piece; and in this way, through the linkage relation between the movable pieces and the elastic pieces, the first connecting unit and the second connecting unit can be connected or separated automatically, and the function of replacing the end effector is achieved successfully.

The invention relates to the technical field of heat exchangers, and discloses an adaptive high-efficiency heat exchanger capable of replacing the heat exchange medium on-line, including a heat exchanger body, and the left side of the heat exchanger body is provided with a first medium switch As for the control box, the first medium converter is fixedly connected to the left side of the first medium opening and closing control box. The self-adaptive high-efficiency heat exchanger that can replace the heat exchange medium on-line is equipped with the first connecting pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe, the first opening and closing plate, the second opening and closing plate, the second Three-pass closing plate, fourth pass-closing plate, first driving gear, second driving gear, third driving gear, fourth driving gear, first driven gear, second driven gear, third driven gear, third driven gear Four driven gears, the first driven shaft, the second driven shaft, the third driven shaft and the fourth driven shaft, by turning the first drive shaft, it solves the problem of time-consuming and labor-intensive replacement of the medium in the current heat exchanger The problem.

The invention discloses an improved structure of a diverting valve. The improved structure comprises a diverting valve body and multiple flow channels; the diverting valve body comprises an accommodating chamber and multiple channels; the multiple channels communicate with the accommodating chamber; the number of the multiple flow channels corresponds to the number of the multiple channels; each flow channel comprises a connecting part, a valve seat ring and a valve seat, the valve seat is arranged in the corresponding channel and is next to the diverting valve body, the valve seat ring is arranged on the valve seat, and the corresponding flow channel is connected to the channel through the connecting part. Thus, the purpose of improving the convenience of mounting and dismounting operations can be achieved really.

The invention provides a replacement device and a replacement method. The replacement device and the replacement method are used for replacing a laser scanning unit of a three-dimensional printer, and a side cover of the printer is hinged to one side of a bottom shell; the replacement device comprises a carrying table, a rack, a first wheel shaft, a second wheel shaft and a control pin; the carrying table is used for carrying the laser scanning unit and is provided with a fixing groove; the rack is arranged on the bottom shell and is provided with a first side and a second side; the first wheel shaft is arranged between the side cover and the first side of the rack; the second wheel shaft is meshed with the second side of the rack; the control pin is arranged on the second wheel shaft; after the side cover is opened, the side cover drives the first wheel shaft to roll, the first wheel shaft drives the rack to move in the first direction, the rack drives the second wheel shaft to roll, and the second wheel shaft drives the control pin to move; when the carrying table is located at a first position, the control pin is inserted into the fixing groove so that the carrying table can be fixed; when the carrying table is located at a second position, the control pin can not be inserted into the fixing groove. According to the replacement device and the replacement method, the carrying table is locked at the initial position, and thus the purpose that the laser scanning unit is replaced on the basis that other devices are not damaged is achieved.