30results about How to "Easy to adapt to use" patented technology

The invention relates to a method and a system for passively entering and passively starting an automobile by using an artificial neural network. The method at least comprises the following steps of: transmitting signals from antennas, measuring signal intensity values, and sending the signal intensity values serving as input vectors to the artificial neural network. The system comprises at least three antennas (108), (109) and (110), a control module (102) and a remote transceiver (105), wherein the at least three antennas (108), (109) and (110) are arranged in a vehicle detection area and used for transmitting the signals; the control module (102) is used for receiving the measured field intensity and predicting the position of the remote transceiver; and the remote transceiver (105) is used for measuring the field intensity of each antenna and sending the measured field intensity values to the control module (102). The method and the system can mainly be used for detecting the vehicle detection position area with complex shape, so that the development cost of the system is reduced and the performance of the system is improved at the same time.

The invention discloses black tartary buckwheat scented tea. The black tartary buckwheat scented tea is prepared from the following components in parts by weight: 3 to 8 parts of black tartary buckwheat, 3 to 7 parts of fructus crataegi, 1 to 5 parts of semen cassiae, 1 to 4 parts of radix astragali seu hedysari, 3 to 9 parts of fructus lycii and 3 to 6 parts of white hyacinth beans; a preparation method of the black tartary buckwheat scented tea comprises the following steps: frying raw semen cassiae until the raw semen cassiae becomes yellow and have a flavor; taking out the fried semen cassiae and airing for later use; husking the raw semen cassiae to obtain kernels; frying the semen cassiae with small fire until the semen cassiae becomes yellow; taking out the semen cassiae and airing for later use; washing and drying the residual four traditional Chinese medicines; mixing the traditional Chinese medicines in parts by weight and putting a mixture into a steamer; steaming with the small fire for 20min to 40mnin and drying for later use; after mixing the six types of prepared raw materials in parts by weight, crushing and sieving; after sterilizing and disinfecting, drying to obtain the black tartary buckwheat scented tea. The black tartary buckwheat scented tea has the advantages and beneficial effects that all the components are matched to use; the fructus lycii is matched with the radix astragali seu hedysari so that the consumption of body energy, caused by pressure-lowering, lipid-lowering and glucose-lowering effects of other components, can be relieved, so that hypertension, hyperglycemia and hyperlipidemia are wholly adjusted and injuries to bodies are not caused; the black tartary buckwheat scented tea has a moderate property and is prepared into small powder bags, so that the black tartary buckwheat scented tea can be conveniently adaptive to more people to use.

The invention provides a sleeve part device for a sitting posture correcting chair used for pupils. The device comprises a chair main body, side guide bodies and inner sliding chutes, wherein front and rear two parallel chair legs at the lower end of the chair main body are mortised through a fixing connecting rod, and inner sleeve support rods are fixedly connected to two ends of the connecting rod between the front and rear two chair legs. For the sleeve part device for the sitting posture correcting chair used for pupils, due to the arrangement of the inner sleeve support rods, inner rods and knee baffle blocks, when the inner rods are used, butting bolts can be loosened, so that the inner rods can move in the inner sleeve support rods, when the parts of the inner rods are not used, theparts of the inner rods can be just hidden below the chair main body, so that the normal use of the chair is not hindered, then the shank parts and the ankle parts of the pupil sitting on the chair can be inserted below the knee baffle blocks and a connecting rubber column, thus the legs are in the bent state, therefore, the upper part of the body is prompted to be straight, and finally, the sitting posture correcting is assisted.

The invention discloses an electric heating sofa, which comprises a sofa body, a cushion groove is formed in the top of the sofa body, a cushion is slidably connected to the inner wall of the cushiongroove, a mounting groove is formed in the bottom of the cushion, a rubber soft plate is slidably connected to the inner wall of the mounting groove, and a touch device is fixedly connected to the center of the bottom of the rubber soft plate. A control sliding groove is formed in the bottom of the inner wall of the cushion groove, positioning grooves are formed in the two sides of the inner wallof the control sliding groove, a sliding block is slidably connected to the inner wall of the control sliding groove, spherical fixing blocks matched with the positioning grooves are fixedly connectedto the two sides of the sliding block, and an arc-shaped spring piece is rotatably connected to the top of the sliding block through a rotating bolt; and the top of the arc-shaped spring piece is fixedly connected with the bottom of the touch device. The electric heating sofa saves energy, is safe and reliable to use, can automatically control electric heating, is convenient to use, can adjust the sensitivity according to the weight of a user, and is suitable for different people.

The invention relates to a method and a system for passively entering and passively starting an automobile by using an artificial neural network. The method at least comprises the following steps of: transmitting signals from antennas, measuring signal intensity values, and sending the signal intensity values serving as input vectors to the artificial neural network. The system comprises at least three antennas (108), (109) and (110), a control module (102) and a remote transceiver (105), wherein the at least three antennas (108), (109) and (110) are arranged in a vehicle detection area and used for transmitting the signals; the control module (102) is used for receiving the measured field intensity and predicting the position of the remote transceiver; and the remote transceiver (105) is used for measuring the field intensity of each antenna and sending the measured field intensity values to the control module (102). The method and the system can mainly be used for detecting the vehicle detection position area with complex shape, so that the development cost of the system is reduced and the performance of the system is improved at the same time.

The invention provides a sitting posture correcting method for primary school students. The method is implemented based on a set of sitting posture correcting chair kit device. The kit device comprises a chair body, a side guiding body and an inner sliding groove; two front and rear parallel chair feet at the lower end of the chair body are in tenon connection through a fixing connecting rod, andthe two ends of the connecting rod between the two front and rear chair feet are fixedly connected with inner sleeve supporting rods. The invention provides the sitting posture correcting chair kit device for primary school students, the arrangement of the inner sleeve supporting rods, inner rods and knee blocks allows the inner rods to be moved in the inner sleeve supporting rods by loosening butting bolts when the inner rods are used, the parts where the inner rods are located can be precisely hidden below the chair body when the parts where the inner rods are located are not used, the normal use of the chair is not hindered, a student sitting on the chair put calves and ankles to the parts below the knee blocks and connecting rubber columns, so that legs are in a bending state, and theupper part of the body is straight to therefore help sitting posture correcting.

The invention discloses a novel safe ABS barstool. The barstool comprises a base, a steel plate is fixedly connected with the interior of the base, a steel ring is fixedly connected with the bottom ofthe base, a supporting seat is fixedly connected with the surface of the top of the base, a lifting ring is rotatably connected with the top of the supporting seat, a supporting rod is fixedly connected with the outer circumferential edge of the lifting ring, a pedal ring is fixedly connected with the end, away from the lifting ring, of the supporting rod, a spiral steel rod sleeve is fixedly connected with the top of the supporting seat, a threaded lifting rod is connected with an inner thread in the spiral steel rod sleeve, a chair seat is fixedly connected with the top end of the threadedlifting rod, and a safety plate is fixedly connected with the interior of the chair seat. The invention relates to the technical field of ABS barstools. By means of the ABS barstool, the purpose of safe and convenient moving is achieved, the problem that safety of the using of a pneumatic cylinder or a pneumatic spring cannot be ensured is solved, and the problem of the bursting of the barstool due to excessive using or inappropriate using of the barstool is solved.

The invention provides a method for correcting the sitting posture of primary school students. The method is realized based on a sitting posture correcting chair kit device. The kit device includes a chair main body, a side guide body and an inner chute; The chair legs are tenon-jointed by fixed connecting rods, and the two ends of the connecting rods between the front and rear two chair legs are fixedly connected with inner sleeve support rods. The invention provides a sitting posture correcting chair kit device for primary school students. The setting of the inner support rod, the inner rod and the knee block, when the inner rod is used, the tightening bolt can be loosened, so that the inner rod can move in the inner support rod , when not using the part where the inner rod is located, the part where the inner rod is located can be hidden under the main body of the chair without hindering the normal use of the chair. Insert the calf part and ankle part of the student sitting on the chair into the knee block and the Connect the bottom of the glue column, so that the legs are bent, so that the upper body of the body is urged to straighten, which can assist in correcting the sitting posture.

The invention belongs to the technical field of mouthwash, and in particular relates to a mouthwash that is made of Bingying. The soda water is extracted and then alcohol-extracted, and the preparation method is simple, and the prepared mouthwash has good breath freshening, antibacterial and anti-inflammatory effects.

The invention provides a telescopic VR head-mounted device and a use method thereof, and relates to the technical field of VR device.The telescopic VR head-mounted device comprises a telescopic VR device and a telescopic head-mounted device.The telescopic head-mounted device is installed at the top of the telescopic VR device, and the telescopic VR device comprises a main body frame, a display device, a telescopic framework, a display inner screen, a contact outer ring and a control switch; the display device is installed in the main body frame. According to the VR head-mounted equipment, the adjustable telescopic framework is arranged in the VR head-mounted equipment, and the specific length of the VR head-mounted equipment is automatically controlled, so that the visual field of a user can be completely covered when the VR head-mounted equipment is worn, and the visual field range of the user is concentrated on the display inner screen; by matching with an eyeshade equipped on the VR head-mounted equipment, the number of light rays entering the display equipment in the external environment can be greatly reduced, so that the influence of the light rays in the external environment on watching is reduced, and the use feeling of a wearer can be greatly improved.

The invention discloses a camera for controlling the ventilation frequency of a room based on a visual system. The camera comprises a wide-angle lens, a shell wrapping the outer side of the wide-angle lens and a base arranged below the shell. The light foot lens is connected with a processor located in the shell, and an MCU single-chip microcomputer is arranged in the processor. Wherein the MCU unit is connected with the CMOS circuit visual acquisition circuit, the CMOS circuit visual acquisition circuit is connected with the wide-angle lens for visual acquisition, and the CMOS circuit visual acquisition circuit is connected with the sensor unit for data acquisition; the bottom of the shell is rotationally installed at the top of the base in a clamped mode, the middle of the bottom of the shell is correspondingly and fixedly connected with the input end of a motor, and the motor is fixed into the base. According to the camera for controlling the ventilation times of the room based on the visual system, the indoor people flow and the number of people can be effectively counted through a visual algorithm, the indoor optimal ventilation amount can be intelligently calculated, stable and rapid installation and use are facilitated, and adaptive adjustment and use are facilitated.

The human body leg simulating structure comprises a hip joint, a thigh part, a knee joint, a shank part, an ankle joint and a foot part which are sequentially connected from top to bottom, and the hip joint comprises a pneumatic joint which is horizontally and transversely arranged in the axial direction and used for driving the thigh part to do lifting motion; the knee joint comprises a swing mechanism which is vertically arranged in the axial direction and a pneumatic joint which is connected with the bottom of the swing mechanism and is horizontally arranged in the axial direction; the ankle joint comprises a pneumatic joint which is axially, horizontally and longitudinally arranged and used for driving the foot to swing towards the left side and the right side, and a pneumatic joint which is axially, horizontally and transversely arranged and used for driving the foot to swing front and back. The pneumatic joints are adopted to control the lifting motion of the thighs and the shanks and the front-back swing of the feet, and the knee joints comprise the structures which are provided with the swing mechanisms to control the shanks to swing towards the left side and the right side, so that various complex work tasks can be completed, and the requirements of users can be met conveniently; the device is widely suitable for being matched with intelligent robots.

The invention discloses a buffering walking aid for protection. The walking aid includes an walking aid body, a plurality of air cushions and an auxiliary protection mechanism, wherein the walking aidbody is used for assisting people to walk, the air cushions are used for protecting patients when the patients are bout to fall, and the auxiliary protection mechanism is used for controlling releaseand fixation of the air cushions. The auxiliary protection mechanism includes a drive rod used for driving the air cushions for protection and a fixation box used for limiting the drive rod, and thewalking aid body is provided with a height adjustment mechanism used for adjusting the height of the walking aid body. Through the arrangement of the height adjustment mechanism, the patients can easily adjust the height of the walking aid when using the walking aid body to make the height of the walking aid adapt to the heights of the patients, thus the patients can use the walking aid better, and the scope of application of the walking aid is improved.

The invention discloses a pipeline support which comprises a top fixing frame, the top of the top fixing frame is correspondingly and fixedly connected to the outer side of a wall, and the bottom of the top fixing frame is correspondingly and fixedly connected with the end of a mounting frame; limiting grooves of a triangular structure are symmetrically formed in the inner side of the mounting frame, and first mounting holes are formed in the inner side wall of the mounting frame at equal intervals. The connecting frame is correspondingly and fixedly connected to the bottom end part of the mounting frame, and the connecting frame is used for connecting and assembling the mounting frame single bodies; and the middle frame is correspondingly connected to the inner side of the mounting frame in a clamped mode, and fourth mounting holes corresponding to the first mounting holes are formed in the edge side of the middle frame. The pipeline support is simple in structure, convenient to mount and use, capable of being additionally mounted, adjusted and the like, convenient to mount and use at different positions and capable of guaranteeing that pipelines in different batches can be supported and used.

The invention discloses a copywriting data display device. The device includes a body, the body includes supporting legs and a placement mechanism, sliding grooves are formed in the surfaces of the lateral ends of the two supporting legs respectively, and through arrangement of a first vertical rod and a second vertical rod, the first vertical rod and the second vertical rod are both provided witha first rotating shaft and a second rotating shaft, and each first rotating shaft and the corresponding second rotating shaft are connected with each other through a movable belt; a first mounting bag and a second mounting bag are mounted at the lateral end of each movable belt, the sizes of the first and second mounting bags are not changed, and when a rocker is rotated manually, the movable belts move so that the positions of the first and second mounting bags can be changed; therefore, copywriting different in size is placed. Through arrangement of a mounting rack and the sliding grooves,the height of the placement mechanism can be adjusted, and the copywriting data display device is convenient for people different in height to use. Through arrangement of a box body, teaching tool placing grooves and copywriting placing grooves are formed in the box body, teaching tools and the copywriting can be placed temporally, and the functionality of the device is improved.

The invention discloses a portable vehicle-mounted standby photovoltaic power supply for field maintenance, which comprises a fixing frame, a supporting top plate and a photovoltaic panel, the top of the fixing frame is provided with a mounting frame, the inner side of the mounting frame is provided with an enclosing plate, the top of the enclosing plate is provided with a sealing gasket, and the upper part of the sealing gasket is connected with the supporting top plate. A connecting groove is formed in the bottom of the fixing frame, a supporting rod is connected to the inner side of the connecting groove, a lug plate is fixed to the side of the fixing frame, an adjusting hole is formed in the middle of the lug plate, an adjusting rod is connected to the inner side of the adjusting hole, a baffle is fixed to the inner side of the enclosing plate, and a mounting plate is mounted at the top end of the supporting top plate. A supporting rod is arranged below the inner side of the hook plate. The portable vehicle-mounted standby photovoltaic power supply for field maintenance is convenient to install, can adapt to installation and use of different rescue vehicles, facilitates carrying and classification of articles, can supply electric power, and can ensure long-time rescue operation.

The invention discloses a buffering walking aid for protection. The walking aid includes an walking aid body, a plurality of air cushions and an auxiliary protection mechanism, wherein the walking aidbody is used for assisting people to walk, the air cushions are used for protecting patients when the patients are bout to fall, and the auxiliary protection mechanism is used for controlling releaseand fixation of the air cushions. The auxiliary protection mechanism includes a drive rod used for driving the air cushions for protection and a fixation box used for limiting the drive rod, and thewalking aid body is provided with a height adjustment mechanism used for adjusting the height of the walking aid body. Through the arrangement of the height adjustment mechanism, the patients can easily adjust the height of the walking aid when using the walking aid body to make the height of the walking aid adapt to the heights of the patients, thus the patients can use the walking aid better, and the scope of application of the walking aid is improved.

The invention discloses a convenient-to-use business foreign language translation exercise device. The convenient-to-use business foreign language translation exercise device comprises a base, whereinthe two sides of the upper end of the base are fixedly connected to fixed frames; fixed columns are connected inside the two fixed frames in a sliding mode; the middle part of the upper end of the base is fixedly connected to a hydraulic cylinder; the output end of the hydraulic cylinder is fixedly connected to a support plate; the opposite two sides of the support plate are fixedly connected toopposite sides of the fixed columns separately; a limiting frame which is fixedly connected above the support plate is arranged between the two fixed columns; and a protective frame which is fixedly connected above the limiting frame is arranged between the two fixed columns. A servo motor of a drive mechanism drives a first rotary rod to rotate, the first rotary rod drives a first bevel gear to rotate, and the first bevel gear drives a second bevel gear to rotate, so that the second bevel gear drives a threaded rod to rotate, and therefore, the threaded rod drives a moving mechanism to move,the moving mechanism drives a blackboard eraser to erase a drawing board, and labor intensity during exercise of an exerciser is reduced.

The present invention provides a sitting posture correcting chair kit device for primary school students, which includes a chair main body, a side guide body and an inner chute; the front and rear two parallel chair legs at the lower end of the chair main body are tenon-jointed by a fixed connecting rod, and The two ends of the connecting rod between the front and rear chair legs are fixedly connected with an inner sleeve support rod. The invention provides a set device of a sitting posture correcting chair for primary school students, the setting of the inner support rod, the inner rod and the knee block, when the inner rod is used, the tightening bolt can be loosened, so that the inner rod can move in the inner support rod , when not using the part where the inner rod is located, the part where the inner rod is located can be just hidden under the main body of the chair without hindering the normal use of the chair, and it is just enough for students sitting on the chair to insert the calf and ankle part into the knee block The block and the bottom of the connecting glue column make the legs bend, thus urging the upper body to straighten and assist in correcting the sitting posture.

The invention provides an adjustable auditorium type exhibition theater with good immersion atmosphere. The adjustable auditorium type exhibition theater comprises an exhibition stand and an auditorium, a plurality of seats are mounted on the auditorium, each seat comprises a seat surface, supporting legs and a mounting seat, each mounting seat comprises a base and a rotating seat, a circular telescopic groove is formed in the top of each base, an annular sliding groove is formed in the inner side wall of the bottom of the circular telescopic groove, a sliding block is installed in the annularsliding groove, and a connecting pipe is fixedly installed at the top of the sliding block. The adjustable auditorium type exhibition theatre with the good immersion atmosphere is reasonable in design, the height of seats of auditoriums can be independently adjusted, so that the seat is convenient to use for audiences with different heights, the watching effect is prevented from being influenced,air flow can be generated on the chair surface through the air channel in the height adjusting process, and the use comfort is improved.

The invention discloses a humanoid robot hand structure. The humanoid robot hand structure comprises a support and five fingers of a thumb mechanism, an index finger mechanism, a middle finger mechanism, a ring finger mechanism and a little finger mechanism which are arranged on the support, wherein the thumb mechanism is provided with three frame knuckles, the other four fingers are respectively provided with four frame knuckles, and a joint device is arranged between every two adjacent knuckles in the five fingers and used for controlling the fingers to bend or unbend; and the thumb mechanism, the index finger mechanism, the ring finger mechanism and the little finger mechanism are respectively provided with a swing device for controlling the fingers to diverge or fold. According to the humanoid robot hand structure, the joint devices and the swing devices are adopted to control bending and diverging actions of the fingers respectively, a rotating device is arranged to control the rotation of the thumb, and therefore the defects that in the prior art, a robot hand is poor in flexibility and small in freedom degree are overcome, various complex work tasks can be completed, and the grab force of the fingers can be greatly improved by means of pull wire driving; and the humanoid robot hand structure is widely suitable for being matched with intelligent robots.

The invention discloses an electronic nerve stimulation physiotherapy therapy device. The device comprises a battery, a switch, a first resistor, a second resistor, a capacitor, a light emitting diode, a pulse generator, a potentiometer, a triode, a transformer, a first discharge electro-acupuncture needle and a second discharge electro-acupuncture needle; pulse signals generated by the pulse generator are random; after being controlled by the potentiometer, output signals are amplified by the triode, so that the transformer induces higher electric pulses; the pulses are filtered by the third resistor and the capacitor; the filtered pulses are sent to the first discharge electro-acupuncture needle and the second discharge electro-acupuncture needle so as act on the nerves of a human body; and physiotherapy can be implemented properly according to the principles of medical technology. Compared with the prior art, the electronic nerve stimulation physiotherapy therapy device of the present invention is only composed of ten components and has the advantages of simple circuit structure, easiness in implementation and small size of finished products which are manufactured at a later stage, and can be easily applied to domestic use. The popularization of the electronic nerve stimulation physiotherapy therapy device can be benefitted.

The invention discloses a metallized film manufacturing method which comprises the following steps: pretreatment: putting a film into a drying oven, then introducing decarburization gas into the drying oven at the temperature of 80-95 DEG C, and after decarburization is completed, carrying out secondary corona discharge treatment on the working surface of the film; vacuum evaporation is conducted, specifically, the pretreated thin film is placed in a vacuum coating machine to form a metal coating on the surface of the thin film in a vacuum coating mode; and coating is conducted, specifically, the thin film obtained after evaporation is completed is coated through a coating device, the working face of the thin film is coated with a top coating with the temperature being 80-85 DEG C, and the back face of the thin film is coated with a bottom coating with the temperature being 70-75 DEG C. The invention relates to the technical field of metallized thin films. According to the manufacturing method of the metallized film, the two sides of the film can be cleaned at the same time, and the horizontal position of the film can be prevented from deviating through opposite blowing of the upper cleaning device and the lower cleaning device, so that the subsequent coating operation is prevented from being influenced.

The invention relates to an abrasive belt sand blasting device, and relates to the technical field of sand blasting equipment. The abrasive belt sand blasting device comprises a machine body, the machine body is provided with a positioning plate used for placing a sand strip, the positioning plate is provided with a sand blasting port, the sand blasting port is located below the sand strip, the machine body is provided with a sand blasting head, the sand blasting head is located below the sand blasting port, the sand blasting direction of the sand blasting head faces the sand strip, and a fixing assembly used for fixing the sand strip is arranged on the machine body. The fixing assembly fixes the sanding strip to the positioning plate, and the possibility that the sanding strip shakes is reduced. The sand blasting head sprays gravels towards the sand strip, the gravels enter the sand strip through the sand blasting port, the roughness degree of the cloth cover of the sand strip is increased, then the bonding strength of the bonding strip and the cloth cover is improved, and the tensile strength of the abrasive belt is improved.

The invention discloses a walking aid for lower limb fracture in the traditional Chinese medicine orthopedics department. The walking aid comprises an upper mounting plate, a splicing block is arranged on one side of the upper mounting plate, a telescopic sleeve pipe is arranged at the lower end of the upper mounting plate, and the upper mounting plate and a lower mounting plate are fixedly connected with the splicing block in a locked mode through second locking buttons. According to the walking aid for lower limb fracture in the traditional Chinese medicine orthopedics department, connectinginsertion grooves are formed in one side of the upper mounting plate and one side of the lower mounting plate, connecting insertion rods are arranged in the connecting insertion grooves, the other ends of the connecting insertion rods are connected with the splicing block, and the splicing block is telescopically and movably connected with the upper mounting plate and the lower mounting plate inthe connecting insertion grooves through the connecting insertion rods; and the second locking buttons are arranged on the upper mounting plate and the lower mounting plate, and the upper mounting plate and the lower mounting plate are locked and fixedly connected with the splicing block through the second locking buttons, so that the upper mounting plate and the lower mounting plate of the devicecan be stretched through the splicing block, and the device is convenient to adapt to use, more convenient and more stable.

The invention relates to an artificial gravity short-arm centrifugal machine, belonging to the flight personnel training simulation technology. The invention aims to overcome the problems that a contact area between a safety belt and an experiencer is small, acting force per unit area is large, acting force on the experiencer is not uniform, the use comfort of the experiencer is reduced, and the safety of the experiencer is decreased. According to main points of a technical scheme in the invention, the artificial gravity short-arm centrifugal machine comprises a rotary turntable, treadmills and a self-powered vehicle, wherein a plurality of keel type rotating arms are fixedly arranged on the rotary turntable, the treadmills and the self-powered vehicle are alternately mounted on the keel type rotating arms, and deck chairs are fixedly arranged between the keel type rotating arms and the treadmills and between the keel type rotating arms and the self-powered vehicle respectively, a covering body is arranged on the deck chairs, the covering body can be plastically deformed, a gap is reserved between the covering body and the deck chairs, and an experiencer is placed in the gap. The artificial gravity short-arm centrifugal machine provided by the invention has the advantage of ensuring the comfort and safety of a human body.

The silk fabric preshrinking device comprises a processing machine box, a window is formed in one side of the processing machine box, a feeding port is formed in the top of the window, a discharging port is formed in the bottom of the window, and a humidifying device is fixedly connected to the part, located on one side of the feeding port, of the top of the inner wall of the processing machine box; the part, located below the humidifying device, of the inner wall of the processing machine box is fixedly connected with a preshrinking device, the part, located below the preshrinking device, of the bottom of the inner wall of the processing machine box is fixedly connected with a drying device, and a discharging port of the drying device communicates with the discharging port. According to the silk fabric preshrinking device, fabric can be wetted evenly and thoroughly, follow-up preshrinking operation is facilitated, the working efficiency is improved conveniently, the fabric can be tightened more evenly conveniently, the tightening amount of the fabric can be freely controlled, use is convenient, the tightened fabric can be ironed, and follow-up collection and arrangement are facilitated.