152results about How to "Highly flexible adjustment" patented technology

The invention discloses an automatic flaw detection device suitable for detection of a rail train wheelset. The automatic flaw detection device comprises a detection trolley, a two-level lifting platform, a top rotary wheel mechanism, manipulators, probe carriers, an electrical control mechanism and a coupling water mechanism. The automatic flaw detection device is characterized in that the detection trolley moves in a trench along a rail; the two-level lifting platform comprises a large platform body and a rotary platform body; the large platform body is fixed to the detection trolley through stand columns and can do lifting motion along the stand columns; the rotary platform body is fixed to the large platform body through guide columns, and the top rotary wheel mechanism is fixed to the rotary platform body; and the manipulators are mounted on a fixing frame on one side of the top rotary wheel mechanism, the probe carrier is mounted on each manipulator, and the electrical control mechanism and a coupling water tank are correspondingly mounted at the two ends of the detection trolley. The automatic flaw detection device has the functions of automatic positioning of the carrier, two-level lifting of the platform and rotating of the platform, and according to the rail train overhauling trench environment and the vehicle bottom space, the height of the detection platform can be adjusted flexibly, and the detection position can be selected freely.

The invention discloses a tray-free stacking process for autoclaved lightweight concrete building blocks, and belongs to the field of concrete building block packaging processes. The tray-free stacking process is characterized by being implemented by a full-automatic packaging system, and each stacking clamp (302) is independently controlled to be opened and closed through a line; the tray-free stacking process comprises the following stacking steps: (1) setting the arrangement direction and the quantity of the building blocks on each layer in building block stack, and sizes of loading and unloading holes; (2) performing green brick rolling over: continuously rolling over a plurality of rows of building blocks row by row; (3) performing grounding: grouping the building blocks row by row until the quantity of building blocks for each layer is met; (4) performing layer-by-layer stacking: stacking the subsequent building blocks on the lower layer of the building block stack in sequence through a mechanical arm stacking mechanism (3); (5) reserving and setting loading and unloading holes; and (6) performing packaging. According to the tray-free stacking process for the autoclaved lightweight concrete building blocks, no tray is used in the whole conveying process, so that a large number of trays are saved; the building blocks can be directly carried by a forklift truck without the tray, so that the effect of the tray is thoroughly eliminated; and therefore, a lot of production cost is saved.

The invention relates to medical equipment, in particular to an adjustable leg-raising device used for raising a wounded leg or a postoperative leg. The device of the invention comprises an underframe, a sliding cross bar, a near-side regulating bracket, a far-side regulating bracket, a flexible cross bar and a dhoosootie. The invention adopts the adjustable leg-raising device to replace the traditional soft pillow, soft cushion or Brown's bracket, has the advantages of strong flexibility, good stability, reliable function and simple and convenient operation, can better satisfy clinical requirements, is favorable for bedridden patients to carry out functional training as soon as possible, improves the compliance and reliability of the patients on therapy, can realize the standardization and scientificalization of the operation method and control standard for raising the wounded leg, and is beneficial to guiding clinical work.

The invention discloses a lifting device for adjusting a height based on ball screws. The lifting device comprises a chassis, and a lifting platform arranged on the chassis; the chassis and the lifting platform are connected through a lifting module; the lifting module includes multiple lifting movable rod sets symmetrically arranged on two sides between a lifting plate and the chassis up and down; the adjacent lifting movable rod sets are hinged with each other, and lifting support frames are arranged in the hinged places; chutes capable of linearly sliding slide blocks are formed in two sides of the lifting plate, the lifting support frames and the chassis; the ball screws are arranged on the lifting module; and a lifting switch is arranged on the lifting platform. The lifting device can flexibly adjust the height, can be suitable for aerial operations with different heights, is wide in application range, can fold and compress a lifting system and reduce the size to bring convenience for carrying, in addition, can move on the horizontal plane in all directions, saves both time and labors, is convenient and fast in adjustment, effectively improves the working efficiency, is convenient and practical, and deserves wide popularization.

The invention discloses a three-dimensional shock insulation device and method based on horizontal motion shock insulation. The three-dimensional shock insulation device includes a top X-direction shock isolator, a middle Y-direction and Z-direction shock isolator and a lower support, and the top X-direction shock isolator includes a top connection plate, a top end plate, an X-direction guide rail, an X-direction spring, an X-direction damper and an X-direction sliding block; the middle Y-direction and Z-direction shock isolator can convert vertical motion into horizontal motion through mechanical motion between internal parts and achieve shock insulation in two directions at the same time, and the middle Y-direction and Z-direction shock isolator includes a triangular steel plate, a plateside guide rail, a Y-direction sliding block, a Y-direction guide rail, a Y-direction spring, a Y-direction damper, a middle end plate and a middle connecting plate; and the upper part of the lower support is fixedly connected with the middle connecting plate, and the lower part of the lower support is fixedly connected with a lower structure. The three-dimensional shock insulation device can beapplied to civil buildings, bridges, underground buildings and other structures being subjected to the earthquake action or other dynamic action, the springs and a limiting device inside the three-dimensional shock insulation device can realize shock insulation and absorption in three directions and the self-resetting effect under different circumstances.

The invention relates to a device used for testing height of hypersonic wind tunnel continuous variable projection. A support system is used for fixing a panel at certain height in a wind tunnel, plane direction of the panel is consistent with incoming flow in the wind tunnel; the panel is provided with a hole, the shape of the hole is consistent with the shape of a projection model, thus the projection model can move up and down freely in the hole and a gap between the projection model and the hole is small enough; the lower end of the projection is connected with a cylindrical base, a pair of flat keys are symmetrically arranged on the surface of the cylindrical base, keyways of the flat keys are arranged on the inner surface of a cover cup fixedly connected with the lower surface of the panel, the inner surface of the cover cup is stacked with the inner surface of the hole arranged on the panel, the flat keys and the keyways are in sliding fit, and peripheral motion of the projection model and the cylindrical base is limited; the upper end of a driven shaft is provided with a screw thread, thus the driven shaft is matched with an inner threaded hole of the cylindrical base and can be contained into an inner cavity of the projection model; the lower part of the driven shaft is fixedly connected with a last stage gear of a gear system, a driving gear stage of the gear system is connected with a driving shaft, the upper end of the driving shaft is suspended onto the base of the support system, the lower end of the driving shaft stretches out the lower part of a cave body of a wind tunnel test section, and the stretching end is provided with a handle.

The invention discloses a mechanical trolley with convenience in loading and unloading goods. The mechanical trolley comprises a plate frame. A group of square sleeves is welded at one end of the plate frame, lifting plates are nested in the square sleeves, handles are welded on the tops of the lifting plates, a group of support legs is penetratingly arranged on the plate frame and is close to theend of the plate frame, a group of manual cylinders is detachably connected with the middle of the plate frame, lifting arms of the manual cylinders are connected with one another by lifting connecting rods, fixing frames are welded on two sides of the plate frame, the other end of the plate frame is hinged to a tipping bucket by a hinge pin, a detachable door is further inserted in the end, which is hinged to the tipping bucket, of the plate frame, bearing blocks are detachably connected with the bottoms of piston rods of the manual cylinders and are in running fit with a wheel axle, and wheels are connected with two ends of the wheel axle. The mechanical trolley with the convenience in loading and unloading the goods has the advantages that the height of the mechanical trolley can be flexibly adjusted, and accordingly the mechanical trolley can bring convenience for goods loading and unloading work and is beneficial to saving the physical strength of staffs and low in manufacturingcost.

The invention relates to a capture observation system for a green water test of an ocean platform in the technical field of ocean engineering, which comprises a green water probe device, a data acquisition system and a video recording device for recording the green water process. The green water probe device comprises a green water signal probe, a supporting regulating device and a signal demodulating device, wherein the green water signal probe and the supporting regulating device are fixedly connected together and are movably arranged at the position at which ocean waves occur; the output end of the green water signal probe is connected with the signal demodulating device; and the signal demodulating device is respectively connected with the data acquisition system and the video recording device so as to send a start or stop trigger signal. According to the invention, the green water condition is accurately monitored by a data monitoring loop formed by the probe for monitoring a green water signal and the signal demodulating device and the error and fault which are caused by manual monitoring are avoided. The height of the water level of green water captured by the device is regulated by a transverse support frame and a longitudinal support frame to regulate the capturing sensitivity, so that the capture observation system for the green water test of the ocean platform adapts to models with different sizes.

The invention discloses a lifting platform car that can flexibly adjust the height and move, including a chassis and a lifting platform arranged on the chassis. The chassis and the lifting platform are connected by a lifting component, and the lifting component is connected with a ball screw. One end of the ball screw is fixed in the lifting platform, and the other end extends out of the lifting platform and is connected with several speed change gears. The speed change gears are connected to the lifting rocker through the transmission gear, and the lifting rocker is fixed on the lifting platform. On the lifting control panel, the lifting device also includes omnidirectional moving parts. The lifting device drives the lifting assembly to rise or fall through the rocker, which saves time and effort and has precise adjustment, and has a wide range of applications. The utility model has the advantages of high efficiency and good practicability, and is worthy of extensive popularization.

The invention discloses a superposable cabinet. The main body of the cabinet consists of two or more cabinet bodies, wherein each cabinet body is an n-shaped frame and comprises two side plates and a transverse plate for connecting the two side plates; a curved groove is reserved at the top end of each side plate; and the bottom end of each side plate has an inserted rod of which the shape corresponds to that of the groove. In the superposable cabinet, the inserted rod of the cabinet body on an upper layer is inserted into a slot from the front surface of the cabinet body on the lower layer in the form that a plurality of layers of cabinet bodies are superposed, so that the two layers of the cabinet bodies are connected together fixedly. The combination structure solves the problem that a common cabinet cannot be adjusted flexibly when changing household decoration because of a fixed height; and the superposable cabinet has the advantages of simple structure, practicability and convenience.

The invention relates to a wave energy conversion device for a synchronous belt transmission oscillating floater; the wave energy conversion device for the synchronous belt transmission oscillating floater comprises an oscillating floater, an energy conversion device, a floating frame and other parts; the oscillating floater comprises a wave absorbing float body, a synchronous belt fixing device and a guide device; the energy conversion device comprises a synchronous belt transmission device, an overrunning clutch transmission box and a speed increasing transmission, a one-way coupling, a flywheel, a transmission belt and a belt wheel, a generator and an electric control box; the floating frame comprises a truss main body built by rods, a truss platform, a safety floating body, a guide rod, a lifting system and a damping counterweight system; the synchronous belt transmission device comprises a synchronous belt, a synchronous belt wheel, a pinch roller and a synchronous belt tensioningdevice which pass through the middle hole of the wave absorbing floating body; one side of the synchronous belt is fixed with the oscillating floater and converts and outputs kinetic energy of the wave absorbing floating body; the lifting system comprises an air compressor, a control valve, a lifting floating box and a connecting pipeline. The floating energy conversion device is simple in structure, stable and reliable, capable of lifting and resisting strong wind and waves, so the wave energy has high utilization rate.

The invention relates to a coordinated hoisting control system of a foldable type drilling machine base, comprising a lower part truss and an upper part truss, wherein the lower part truss and the upper part truss are connected through a supporting rod system and a plurality of foldable supporting leg assemblies; a hinged node is arranged at the middle part of each foldable supporting leg assembly; the nodes of a plurality of the foldable supporting leg assemblies are connected together through a stable hoisting structure; the stable hoisting structure is connected with a hoisting power system; the upper part truss is connected with a hoisting restriction system for restricting the upper part truss to move upward in a vertical direction; a rotary chassis is arranged at the upper end of the upper part truss; and the rotary chassis is provided with a positioning indicator and a rotary guide rail for mounting a drilling machine. According to the coordinated hoisting control system, a reinforced concrete or rubble foundation does not need to be built and the flexibility is strong; the height of a base main body part is flexile and adjustable so as to meet the requirements of different drilling positions; the drilling machine can realize 360-degree free azimuth angle adjustment on the base; the base can keep a horizontal and stable state; and the drilling machine can be inclined in a small angle so as to meet the requirements of drilling and sweeping holes.

The invention discloses a dressing change cart convenient for debridement flushing, comprising a dressing change cart body. Cleaning solution boxes, a medicine storage box, an instrument storage box,a waste liquid collecting box and a medical waste box are arranged in the dressing change cart body; sliders and bearing slide plates are arranged in slide rails movably, clamp blocks are symmetrically arranged on a concave fixing plate, sliding clamp blocks are fixedly arranged in grooves, and a shelf plate is fixed on the sliding clamp blocks, and is movably connected with a debridement platform; a total traction rope is connected to a threaded rocker after being winded around a fixed pulley, and is movably winded between a stop block and a limit block. The dressing change cart is provided with multiple cleaning solution boxes which can be used for containing different cleaning solutions for different patients; the debridement platform is adjustable in height, which brings convenience for patients to wash different portions; meanwhile, the waste liquid collecting box and the medical waste box on the dressing change cart are closed relatively, which can prevent the wastes exposing tocause pathogen contamination to environments.

The invention provides a column-type lifting water drill, which includes a base, a fixing bolt, a mounting groove, a column, a connecting part, a lifting gear, an adjusting handle, a fixing clip, a motor, a first connecting shaft, an oscillating reducer, a second connecting shaft and a drill bit. The groove is welded on the upper surface of the base and the column is plugged into the upper part. The connecting part is connected to the column at one end through the internal lifting gear, and the other end is connected to the fixing clip. The motor is set on the top of the fixing clip and connected to the first shaft connection. The present invention adopts the coordinative setting of the column, the lifting groove and the lifting gear, which is beneficial to flexibly adjust the height of the drill bit according to the usage conditions, and the coordinating setting of the first connecting shaft, the second connecting shaft and the vibration reducer can exit when drilling to hard underground objects first connecting axis.

The invention discloses a biological denitrification device. The biological denitrification device comprises a water distributor (2), a fibrous filler (3), a solid filler (4), a plurality of purifying tank water outlets (6), a back washing gas disk (7) and a back washing water outlet (9), wherein the water distributor (2) is arranged on the upper part of a purifying tank (1), and a water inlet of the water distributor (2) is communicated with a water inlet pipe (5) of the purifying tank (1); the fibrous filler (3) is arranged below the water distributor (2); the solid filler (4) is arranged below the fibrous filler (3); the plurality of purifying tank water outlets (6) are formed in the side wall of the purifying tank (1) at different heights, and the height of each purifying tank water outlet (6) is lower than the upper surface of the solid filler (4); the back washing gas disk (7) is arranged below the solid filler (4), and a water inlet of the back washing gas disk (7) is communicated with a back washing water inlet pipe (8); the back washing water outlet (9) is formed in the side wall of the purifying tank (1), and the height of the back washing water outlet (9) is higher than the upper surface of the solid filler (4). The biological denitrification device has the advantages of no need of an aerator, little occupied space, low operating energy consumption and high technological flexibility and can meet the denitrification requirement of various kinds of domestic sewage preliminarily treated by a biological tank.

The invention discloses an adjustable kickstand device for a burn patient. The adjustable kickstand device comprises a base, a seat mechanism, a flexion and extension mechanism, a lifting mechanism and a swing mechanism. A sliding rail is arranged on the surface of the base which is a hollow cuboid; the seat mechanism is installed on the base through the sliding rail. The flexion and extension mechanism is installed on the base and located on the same straight line with the sliding rail, and an adjustable friction part is arranged on the flexion and extension mechanism; the lifting mechanism and the swing mechanism are parallel to the sliding rail, are arranged in the base side by side, and are symmetrically arranged on the two sides of the sliding rail by taking the sliding rail as an axis; the seat mechanism comprises a seat, a raising mechanism and a chassis; the chassis is arranged on the sliding rail and is provided with a locking part; the raising mechanism is connected with thechassis and the seat to enable the seat to move up and down; passive exercise of knee joints and ankles of a patient can be carried out; when the ankle of the patient is passively exercised, the anklecan be simply moved up and down according to the condition of the patient, and then the ankle is upgraded to do circular motion, so that the exercise of the patient is progressive.

The invention relates to a flexible material feeding and discharging device. The flexible material feeding and discharging device comprises a main rack, an ionic wind rod, a feeding mechanism, a recycling mechanism, a conveying mechanism, a manipulator and a main control device; a flexible material is stored in a material box; the manipulator is a work fixture provided with an electrostatic chuck;the inner sidewalls of two side plates of the main rack are provided with the conveying mechanism; the feeding mechanism and the recycling mechanism are positioned above the front end of the conveying mechanism; the ionic wind rod and the manipulator are arranged at the tail end of the conveying mechanism; the feeding mechanism comprises a lifting mechanism, a push plate cylinder and retaining plates; the retaining plates are installed in the horizontal direction and are symmetrically arranged at the two sides of the material box; the lower parts of the two sides of the material box are eachprovided with a notch used for inserting the corresponding retaining plate; the recycling mechanism comprises a lifting mechanism and lock bolts; the lock bolts are symmetrically arranged below the two sides of the material box and are of a press-contraction type; the lower part of an extending part of each lock bolt is a smooth bevel, and the upper end face is horizontal. The flexible material feeding and discharging device can preferably satisfy the characteristics that a flexible material is light, thin, fragile, prone to being damaged and the like, and is beneficial for improving the safety and the work efficiency in feeding and discharging processes of the flexible material.

The invention discloses an outdoor optical cable welding emergency overhaul room. The main body structure of the overhaul room is a foldable supporting frame, enclosing cloths enclose and protect thetop face and the wall face of the overhaul room, and the enclosing cloths are connected with the supporting frame through magic tape. A working table is arranged in the overhaul room, a welding machine is placed on the working table, and clamping machines are mounted on the two sides of the working table correspondingly. A telescopic suspension rod is hung on the supporting frame in a hoisted mode, a mounting sheet is connected to the bottom of the telescopic suspension rod, and warming equipment or dehumidifying equipment is mounted on the mounting sheet. The emergency overhaul room can solvethe problem that field operation cannot be conducted in the outdoor optical cable welding working process in bad weather such as rainy days, low temperature days and flying dust days when an electricpower system is repaired currently, the environmental requirement of optical cable welding can be ensured, the quality and efficiency of optical cable welding are improved, and the outdoor optical cable welding emergency overhaul room is portable, and convenient to mount and dismount.

The invention discloses a foot-ankle fixator for osteotomy around knee joint, comprising a base and a fixator, wherein, a height adjusting assembly is arranged on the base, a universal ball is arranged on the top of the height adjusting assembly and a pressing bolt for tightening or loosening the universal ball, a connecting rod is fixed on the universal ball, and the bottom of the fixator is fixedly connected with the connecting rod. A fixture includes a fixture base plate, one end of the fixture bottom plate is provided with a heel support plate, A first fixing plate and a second fixing plate are spaced apart on both sides of the top of the fixture bottom plate, Between that two side of the first fixing plate and between the two sides of the second fixing plate are connected powerful line adjusting crossbars, a plurality of grooves are distribute on the force line adjusting crossbars at intervals, a plurality of protrusions are arranged on both sides of the bottom of the fixer bottomplate, and two protrusions adjacent to each other form bandage winding grooves. The invention can not only ensure the accuracy of the target force line measurement of the affected limb in the osteotomy around the knee joint, but also enable the operator to avoid the harm of radiation exposure, save the human resources and have high practicability.

The invention discloses a portable multi-body folding bed. The folding bed comprises a folding bed lifting assembly, a fixed body support, a body bearing frame, a mattress, a folding body support assembly, a liftable bed board assembly, an overall shape transformation assembly, a bed board combination assembly and a folding bed handle. The shape and volume of the folding bed can be changed flexibly by the folding body support assembly and the overall shape transformation assembly, the folding bed is folded when not in use, so that space is saved, transportation is facilitated, and the foldingbed is unfolded when in use and can be used by many people; two or three bodies can be combined into one bed by the liftable bed board assembly, the overall shape transformation assembly and the bed board combination assembly, and the bed can be used by obese people or shared by several people. The overall height of the folding bed can be flexibly adjusted by the folding bed lifting assembly, andthe bodies can be lifted off the ground, and loading and unloading are convenient; besides, the number of the bodies of the portable multi-body folding bed is flexible and changeable, and rapid customization can be achieved according to specific requirements.

The invention discloses a rotary bookshelf which comprises a central column, at least two partition plates, support plates, outer sleeves, inner sleeves and conical bearings. The rotary bookshelf is characterized in that the inner sleeves are hollow, a protruded platform is arranged at one end of each inner sleeve, and a bearing cap which is matched with the corresponding protruded platform is mounted at the other end of each inner sleeve; the hollow inner sleeves sleeve the central column and are fixed by the aid of bolts, the outer sleeves are mounted on the outer sides of the inner sleeves, and the corresponding conical bearings are respectively mounted at two ends of each outer sleeve; the partition plates are uniformly distributed and mounted on the outer side walls of the outer sleeves, and each support plate is mounted at the bottoms of the two corresponding adjacent partition plates. The rotary bookshelf has the advantages that the distances among the inner sleeves on the central column can be adjusted according to the heights of books, the outer sleeves are mounted on the outer sides of the inner sleeves, the corresponding conical bearings are respectively mounted at the upper end and the lower end of each outer sleeve, the outer sleeves are in clearance fit with the inner sleeves, and the conical bearings are in interference fit with the inner sleeves and the outer sleeves; the partition plates are uniformly distributed and mounted on the outer sides of the outer sleeves, and the support plates are mounted at the bottoms of the partition plates; users can slightly shift the partition plates, so that the books can circumferentially move around the central column; the books with the same classification numbers can be orderly placed on the rotary bookshelf.

The invention discloses a cable protective metal sleeve peeling machine. The cable protective metal sleeve peeling machine comprises a base, a fixed bottom plate, a stand column fixed between the base and the fixed bottom plate, a left motor support, a right motor support and two motors. One of the two motors is installed on the left motor support, and the other motor is installed on the right motor support. Two sliding blocks are fixed to the lower surface of the left motor support in parallel, and two sliding blocks are fixed to the lower surface of the right motor support in parallel. Two linear rails are arranged on the fixed bottom plate in parallel. The linear rails are sequentially embedded into grooves of the sliding blocks of the left motor support and grooves of the sliding blocks of the right motor support respectively. A left baffle with an adjusting screw hole and a right baffle with an adjusting screw hole are fixed to the outer side of the left motor support and the outer side of the right motor support respectively. A left connecting plate with a driving screw hole and a right connecting plate with a driving screw hole are fixed to the outer side of the left baffle and the outer side of the right baffle respectively. The left connecting plate and the right connecting plate are located between the two linear rails, and the driving screw holes are located below the left motor support and the right motor support respectively. According to the cable protective metal sleeve peeling machine, the problem that protective metal layers are difficult to cut and peel in the metal sleeve cable detection, connection and installation processes is solved, the peeling efficiency is improved, and the long protective metal layers are peeled.

The invention discloses a microneedle array dry electrode based on a flexible substrate and a preparation method of the microneedle array dry electrode. The method includes the steps that needle tipsof metal microneedles are inserted downwards into a base with a plurality of micro-through holes which are not connected with one another to form a microneedle array; the needle tips of the arranged microneedle array are placed upwards in a groove, and a conductive prepolymer is added into the groove to be solidified and molded into the flexible conductive substrate; and the substrate with the micro-through holes is separated from the conductive microneedle array, and the microneedle array dry electrode based on the flexible substrate is obtained. The microneedle array dry electrode includes the metal microneedle electrode array and the flexible conductive substrate, and the flexible conductive substrate is combined with the metal microneedles to prepare the microneedle dry electrode; andthe preparation method is simple, the cost is low, the microneedle electrode strength is high, the safety is high, long-time and high-efficiency signal acquisition is realized advantageously, and themicroneedle array dry electrode can be widely applied to the technical field of medical apparatus and instruments.

The invention discloses an easily constructed outdoor parking awning with a drainage function and relates to the technical field of awnings. Specifically, the easily constructed outdoor parking awningwith the drainage function comprises a slope base and a top plate, wherein the left and the right of the upper surface of the slope base are fixedly welded with support sleeves; the inside of the support sleeve on the left of the upper surface of the slope base is threadedly provided with a first screw in a penetrating mode, and one side of the support sleeve, which is close to the vertical central line of the slope base, is provided with a support rod; the upper surface of the top plate is connected with a stepped plate through injection molding. According to the easily constructed outdoor parking awning with the drainage function, when a control motor drives a threaded rotating shaft to rotate, under the action of the reversed threaded structures of the inner and outer walls of the first screw and a second screw, the first screw and the second screw can move up during forward rotation of the control motor and move down during reversed rotation of the control motor and further can flexibly adjust and control the position and height of support rings on both sides.

The invention provides a dressing changing device for surgical nursing. The dressing changing device comprises a base, a supporting rod, a fixed sleeve, a tray, an auxiliary roasting device, a storage battery, a lead, castors and a quick released garbage can, wherein the supporting rod is fixedly arranged in the center of the upper surface of the base and the auxiliary roasting device is arranged at the top end of the supporting rod; the tray sleeves the lower half part of the supporting rod by virtue of a fixed sleeve; the storage battery is arranged on the base and is connected to the auxiliary roasting device by virtue of the lead; the castors are arranged at the bottom of the base; and the quick released garbage can is arranged on the supporting rod at the lower side of the tray. The dressing changing device provided by the invention, with the arrangement of the auxiliary roasting device, is conducive to local thermal therapy on a part of dressing changing and the dressing changing device is flexible and convenient to adjust; by arranging the quick released garbage can, the dressing changing device is beneficial for collecting and conveniently removing a dressing which is changed down; and by arranging a groove and a guardrail, the dressing changing device is conducive to more stability of carried articles.