CN113679539A

CN113679539A - Auxiliary patient transfer device

Info

Publication number: CN113679539A
Application number: CN202110955558.5A
Authority: CN
Inventors: 李桂芳; 蒋徳才; 林尚雷
Original assignee: Foshan Hongxin Zhichuang Technology Co ltd
Current assignee: Foshan Hongxin Zhichuang Technology Co ltd
Priority date: 2021-04-10
Filing date: 2021-08-19
Publication date: 2021-11-23
Also published as: CN215779231U; CN215779300U; CN216394492U

Abstract

A transfer device for assisting a patient comprises a bearing device arranged at the head and the tail of two beds, wherein a sliding transfer unit capable of performing reciprocating translational motion between the two beds is arranged on the bearing device in a sliding mode, a swing arm mechanism is connected onto the sliding transfer unit in a rotating mode, a human body bearing unit is fixedly connected between the swing ends of the sliding transfer unit, the transfer device further comprises a turning power assembly connected with the human body bearing unit, and after the human body bearing unit is driven by the turning power assembly to move up and down along an arc-shaped track and cut into the back of a human body from the left side and the right side to realize bearing, the sliding transfer unit is pushed to move to enable the human body to perform sliding transfer between the two beds; the realization is kept flat patient on human bearing unit, carries out translation slip transfer, whole patient lift put with the transfer process simple rapidly, can greatly reduced medical personnel carry patient's work load, can effectively avoid causing the secondary damage to patient at the transfer in-process, keeps patient's comfort level at the transfer in-process as far as possible.

Description

Auxiliary patient transfer device

Technical Field

The invention relates to the field of medical equipment, in particular to a device for assisting patient transfer.

Background

The patient emergency treatment process or the patient in emergency department have just done the operation, in order to carry out subsequent treatment to the patient, need shift the patient in emergency room or operating room to other treatment departments with the help of the transfer bed, but present removal sick bed is functional relatively poor, transport transfer process to the patient lacks the auxiliary action, can only carry out whole cladding to the patient through the sheet at most and carry out supplementary the transfer, even above-mentioned which kind of mode need consume the great physical power of medical personnel equally, the patient can not realize quick the transfer, and traditional transfer method, can bring the great change of patient's position in the handling, not only medical personnel intensity of labour is big, still can lead to patient to produce the secondary damage, cause patient unnecessary misery. To this end, a device for assisting patient transfer is now provided to solve the above technical problem.

Disclosure of Invention

The invention aims to solve the existing problems and provides an auxiliary patient transfer device with a simple and reasonable structure, which is mainly used for carrying out translational sliding transfer on a patient, is simple and quick in the whole transfer process and can greatly reduce the workload of medical staff for carrying the patient.

The utility model provides an auxiliary patient transfer device, includes patient's bed and transfer bed, transfer device is including installing the bearing device at two bed heads and tailstock, and slidable mounting has the slip transfer unit that can make reciprocating translation between two beds on the bearing device, and the slip is transferred and is connected with swing arm mechanism on the unit, and fixedly connected with human bearing unit between its swing end, transfer device still includes the upset power component who is connected with human bearing unit, cuts into the back of human body from the left and right sides when making human bearing unit follow arc orbit up-and-down motion through upset power component drive and realizes the bearing after, promotes to slide and shifts the unit motion and make the human body slide between two beds and shift.

The sliding transfer unit comprises a sliding main frame and two groups of sliding bases which are arranged on the sliding main frame and can slide in a translation mode relatively, the overturning power assembly is arranged on the middle portion of the sliding main frame or the sliding bases, and the fixed end of the swing arm mechanism is rotatably connected to the sliding bases.

The swing arm mechanism comprises a swing connecting plate, a main rotating shaft is fixedly connected onto the swing connecting plate and is rotatably connected onto a rotary connecting sliding base, the human body bearing unit is fixedly connected onto the swing end of the swing connecting plate, and a turnover power assembly installed on the sliding base drives the human body bearing unit to swing up and down along an arc-shaped track.

The swinging arm mechanism comprises an upper connecting rod, a lower connecting rod, a rear connecting rod and a front connecting rod which are arranged in parallel, the two ends of the rear connecting rod are hinged with the upper connecting rod and the lower connecting rod through a first rotating pair and a second rotating pair, the two ends of the front connecting rod are hinged with the upper connecting rod and the lower connecting rod through a third rotating pair and a fourth rotating pair, the first rotating pair and the second rotating pair are connected on a sliding base, the human body bearing unit is fixedly connected onto the front connecting rod, and a turnover power component arranged on the sliding main frame drives the human body bearing unit to move up and down along an arc-shaped track.

The turnover power assembly comprises a first driven gear and a first driving gear, wherein the first driven gear is mounted on the main rotating shaft, the first driving gear is meshed with the first driven gear, a first driving gear shaft is connected to the first driving gear, and a hand-operated wheel is mounted on the first driving gear shaft.

Upset power component installs two capstans of coiling flexibility silk including setting up the mounting base on the slip body frame on the mounting base, and equal coaxial arrangement has driven gear two on the capstan winch, installs between two driven gear two rather than the engaged driving gear two, is connected with synchronous drive shaft between the driving gear two of head of a bed and tailstock, and hand crank is installed to synchronous drive shaft's one end, runner in the middle of still installing on the slip body frame, the other end of flexibility silk is walked around in the middle of the runner and is connected with the third revolute pair.

The bearing device comprises two supporting vertical rods which are respectively arranged on the patient bed and the transfer bed, a first cross rod and a second cross rod are connected between the top ends of the two supporting vertical rods, and the first cross rod and the second cross rod are connected in a relative rotation mode along the horizontal plane through a hinged shaft.

The bottom of supporting the pole setting is provided with lifting unit, lifting unit has the cavity including supporting the supporting seat of putting in patient's bed and transfer bed in the supporting seat, installs the lift pivot of connecting the eccentric wheel in the cavity, connects its pivoted lift crank of drive in the lift pivot, set up perpendicular guiding hole in the supporting seat of eccentric wheel top, the bottom of supporting the pole setting is passed perpendicular guiding hole and is supported and put on the outer wheel face of eccentric wheel, rotates through eccentric wheel eccentric and promote and support the pole setting and go up and down.

The upper connecting rod or the lower connecting rod is provided with an extension section by leaning against one end of the mounting base, and when the human body bearing unit is swung in place downwards, the movable bolt and the extension section form limiting fit.

The top end of the sliding main frame is rotatably connected with a first groove wheel, and the sliding main frame is slidably suspended on the first cross rod and the second cross rod through the first groove wheel; the sliding base comprises a rectangular base body, two second groove wheels which are arranged in parallel are rotatably arranged at the corner of the rectangular base body, two sliding rods which are arranged up and down are arranged in the sliding main frame, and the sliding base can slide in the sliding main frame in a translation mode relatively through the matching of the second groove wheels and the sliding rods.

The invention has the following beneficial effects:

(1) the auxiliary patient transfer device is simple and reasonable in structure, the patient can be flatly placed on the human body bearing unit to be horizontally moved and slidably transferred, the transfer of the paralyzed patient is facilitated, the weight of the patient to be born by a caregiver or medical personnel can be effectively reduced, the work which needs two or more persons to cooperate to complete originally can be completed only by one person, the labor is saved, the whole patient lifting and transferring process is simple and rapid, the workload of the medical personnel for carrying the patient can be greatly reduced, the auxiliary patient transfer device has a good auxiliary carrying effect, and the transfer efficiency of the patient is greatly improved.

(2) The invention relates to a device for assisting patient transfer, which can effectively avoid secondary damage to a patient in the transfer process and keep the comfort of the patient in the transfer process as much as possible.

(3) The auxiliary patient transfer device provided by the invention is used as an independent use unit, does not need to be matched with a patient bed or a transfer bed before leaving a factory, can be purchased independently, provides convenience for adding the transfer device in the future of a hospital, can be adapted to most patient beds or transfer beds on the market, and is simple in structure and convenient to transfer and use among patient beds.

Drawings

Fig. 1 is a first structural schematic diagram of a transfer device according to the present invention.

Fig. 2 is a schematic structural diagram of a transfer device according to the present invention.

Figure 3 is a first schematic view of the motion path of the personal support unit of the present invention.

Figure 4 is a second schematic view of the motion path of the personal support unit of the present invention.

Figure 5 is a first schematic view of the load bearing device and sliding transfer unit of the present invention.

Fig. 6 is an exploded view of the sliding base and swing arm mechanism of the present invention.

Fig. 7 is a schematic structural diagram of the sliding base and swing arm mechanism of the present invention.

Figure 8 is a second schematic view of the load bearing device and slide transfer unit configuration of the present invention.

Fig. 9 is a schematic cross-sectional view of the lifting assembly of the present invention (with the support upright lowered).

Figure 10 is a schematic cross-sectional view of the lifting assembly of the present invention (with the support uprights in a raised condition).

Fig. 11 is a schematic cross-sectional structure of the present invention.

Fig. 12 is an enlarged schematic view of the structure at D in fig. 11.

Fig. 13 is a schematic view of an exploded structure of the connector of the present invention.

Figure 14 is a schematic view of the folding and storage of the personal support unit and lifting assembly of the present invention.

FIG. 15 is an exploded view of the support plate of the present invention.

Fig. 16 is a schematic view of the transfer device of the present invention in a pre-use state.

Figure 17 is a schematic view of the figure showing the torso support unit of the present invention cut into the bottom of the torso.

Figure 18 is a schematic view of the torso support unit of the present invention in a raised position.

Figure 19 is a schematic view of the transfer of the torso support unit of the present invention to a patient's bed.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 15, the first embodiment: the utility model provides an auxiliary patient transfer device, includes patient bed A and shifts bed B, transfer device is including installing bearing device 1 at two bed heads and tailstock, and slidable mounting has the slip transfer unit 2 that can make reciprocating translation between two beds on bearing device 1, and the slip is shifted and is rotated on unit 2 and be connected with swing arm mechanism 3, and fixedly connected with human bearing unit 4 between its swing end, transfer device still includes the upset power component 5 of being connected with human bearing unit 4, cuts into the back of human body from the left and right sides when making human bearing unit 4 follow arc orbit R up-and-down motion through 5 drives of upset power component and realizes the bearing after, promotes to slide and shifts that unit 2 movements make human C slide between two beds and shift.

Realize keeping flat patient on human bearing unit 4, carry out translation slip transfer, conveniently shift paralysed patient, can effectively reduce the patient's that caregiver or medical personnel need bear weight, make the work that originally needs two people or more personnel's cooperation to accomplish, only need now to operate alone and can accomplish, the manpower has been saved, whole patient lift put with the transfer process simple rapidly, can greatly reduced medical personnel carry patient's work load, have fine supplementary transport effect, patient's transfer efficiency has been promoted greatly.

The slip transfer unit 2 is including slip body frame 6 and two sets of sliding base 7 of relative translation gliding on slip body frame 6, upset power component 5 sets up on the intermediate part or the sliding base 7 of slip body frame 6, swing arm mechanism 3's stiff end rotates and connects on sliding base 7, and two sets of sliding base 7 can freely the translation slide, drive human bearing unit 4 relative front and back displacement through swing arm mechanism 3, can adjust the distance between the human bearing unit 4 on left and right sides, make patient transfer mechanism can the different patient's of adaptation shape, can adjust to the most comfortable position at the transfer in-process.

The second embodiment is as follows:

the swinging arm mechanism 3 comprises a swinging connecting plate 31, a main rotating shaft 32 is fixedly connected to the swinging connecting plate 31, the main rotating shaft 32 is rotatably connected to a rotatably connected sliding base 7, the human body bearing unit 4 is fixedly connected to the swinging end of the swinging connecting plate 31, and the overturning power component 5 arranged on the sliding base 7 drives the human body bearing unit 4 to swing up and down along an arc-shaped track; in this embodiment, the torso support unit 4 swings up and down about the main pivot axis 32, and during the swing, the tilt angle of the torso support unit 4 changes linearly with the position of the swing, and is most desirable when approaching the back of the torso from both sides.

The third concrete implementation mode:

the swing arm mechanism 3 comprises an upper connecting rod 301 and a lower connecting rod 302, a rear connecting rod 303 and a front connecting rod 304 which are arranged in parallel, two ends of the rear connecting rod 303 are hinged with the upper connecting rod 301 and the lower connecting rod 302 through a first revolute pair 305 and a second revolute pair 306, two ends of the front connecting rod 304 are hinged with the upper connecting rod 301 and the lower connecting rod 302 through a third revolute pair 307 and a fourth revolute pair 308, wherein the first revolute pair 305 and the second revolute pair 306 are connected on the sliding base 7, the human body supporting unit 4 is fixedly connected on the front connecting rod 304, the turning power component 5 arranged on the sliding main frame 6 drives the human body supporting unit 4 to move in a vertical translation mode along an arc track, the motion mode of the human body supporting unit 4 in the embodiment is different from that in the specific embodiment, the human body supporting unit 4 keeps parallel with a vertical plane in the process of the vertical translation motion under the cooperation of the multiple connecting rods, the optimum angle of inclination for cutting into the back of the human body can be maintained.

The fourth concrete implementation mode:

on the basis of the structure of the second embodiment, the overturning power assembly 5 comprises a first driven gear 51 mounted on the main rotating shaft 32 and a first driving gear 52 meshed with the first driven gear 51, a first driving gear shaft 53 is connected to the first driving gear 52, and a hand-operated wheel 54 is mounted on the first driving gear shaft 53; the diameter of the driven gear 51 is larger than that of the driving gear 52, so that the torsion of the hand-operated wheel 54 is increased, and when the hand-operated wheel is used, a user can rotate the hand-operated wheel 54 to the inclined angles of the human body bearing units 4 on the left side and the right side, so that the human body bearing units 4 are driven to be close to the human body, the inclined angles of the human body bearing units are adjusted, and the human body bearing units 4 can be stably cut into the back of the human body.

The bandage 15 is connected between the left human body bearing unit 4 and the right human body bearing unit 4, as shown in figure 19, after the left and right human body bearing units 4 bear the human body, the bandage 15 can fix the relative position between the two, avoid relative outward sliding, and can fix the human body on the human body bearing units 4, and protect the human body.

The specific embodiment of the binding band 15 is that one end of the binding band 15 is fixed on one of the human body supporting units 4, and when the binding band 15 is used, the other end of the binding band 15 is connected with another human body supporting unit 4 through knotting, binding, connecting buckles, magic tapes and other modes after being bound around a human body.

In addition, a belt retractor 16 may be mounted on one of the torso support units 4 and the strap 15 may be wrapped around the belt retractor 16 to allow the strap to be wrapped or stretched for use.

In addition, a first bearing 55 and a second bearing 56 which are in running fit with the main rotating shaft 32 and the power gear shaft 53 are further arranged in the sliding base 7, so that the main rotating shaft 32 and the power gear shaft 53 can rotate more smoothly, friction is reduced, and noise is reduced.

The fifth concrete implementation mode:

on the basis of the structure of the third embodiment, the turning power assembly 5 includes a mounting base 501 arranged on the sliding main frame 6, two winches 502 for winding the flexible wire X are mounted on the mounting base 501, two driven gears 503 are coaxially mounted on the winches 502, a driving gear 504 meshed with the two driven gears 503 is mounted between the two driven gears 503, a synchronous transmission shaft 505 is connected between the driving gears 504 at the head and the tail of the bed, a hand crank 506 is mounted at one end of the synchronous transmission shaft 505, a middle rotating wheel 507 is further mounted on the sliding main frame 6, and the other end of the flexible wire X is connected with a third rotating pair 307 by bypassing the middle rotating wheel 507; when using, make capstan winch 502 rotate through the work of hand crank 506 and release flexibility silk X, make human bearing unit 4 can follow the arc orbit translation and lower the pendulum to the human left and right sides under the action of gravity, the upset power component 5 of this structure can make the human bearing unit 4 of the left and right sides can the synchronous translation rise or descend.

The load-bearing device 1 comprises two supporting upright posts 11 respectively arranged on a patient bed A and a transfer bed B, a first cross bar 12 and a second cross bar 13 are connected between the top ends of the two supporting upright posts 11, and the first cross bar 12 and the second cross bar 13 are relatively rotatably connected along the horizontal plane through a hinge shaft 14;

after the patient shifts the mechanism and finishes using, need accomodate patient shift mechanism when shifting bed B, can be through folding the relative second horizontal pole 13 of first horizontal pole 12, will support to put support pole setting 11 on patient bed A and accomodate shifting bed B, reduce the space and occupy to the realization is spacing to sliding transfer unit 2, and the focus shifts to shifting bed B outside when preventing to slide transfer unit 2 outside roll-off, leads to patient shift mechanism to turn on one's side and fall.

On the basis of the second and fourth embodiments: the lifting component 8 is arranged at the bottom of the supporting upright rod 11, and the lifting component 8 is used for jacking the supporting upright rod 11, so that the human body bearing unit 4 can ascend after bearing a human body, the back of a patient leaves the bed surface, the back of the patient is prevented from rubbing or colliding with the bed surface during sliding transfer, the transfer is smoother, and the comfort of the patient is improved;

the lifting assembly 8 comprises a supporting seat 81 which is placed on the patient bed A and the transfer bed B in a propping mode, a cavity 811 is arranged in the supporting seat 81, a lifting rotating shaft 83 connected with an eccentric wheel 82 is arranged in the cavity 811, the lifting rotating shaft 83 is connected with a lifting hand crank 84 driving the lifting rotating shaft to rotate, a vertical guide hole 812 is formed in the supporting seat 81 above the eccentric wheel 82, the bottom of the supporting upright rod 11 penetrates through the vertical guide hole 812 to be placed on the outer wheel surface of the eccentric wheel 82 in a propping mode, and the supporting upright rod 11 is pushed to ascend and descend through eccentric rotation of the eccentric wheel 82; the structure realizes lifting on the simplest mechanical connection, when the lifting device is used, the lifting rotating shaft 83 is driven to rotate, the eccentric wheel 82 is driven to rotate by taking the lifting rotating shaft 83 as an axis, the bottom surface of the supporting upright rod 11 keeps contact with the outer wheel surface, the supporting upright rod 11 is driven to lift at a uniform speed through the fluctuation of the outer wheel surface, and the lifting device is convenient to assemble and use and can be quickly detached.

The mounting base 501 is provided with a movable bolt 9 corresponding to the turning power component 5, one end of the upper connecting rod 301 or the lower connecting rod 302 close to the mounting base 501 is provided with an extension section 309, and when the human body bearing unit 4 swings down in place, the movable bolt 9 and the extension section 309 form a limit fit.

Be provided with the bolt hole 5011 that matches movable bolt 9 in the mounting base 501, be provided with on the movable bolt 9 and prevent that movable bolt 9 breaks away from stopper 91 of bolt hole 5011, when human bearing unit 4 swings down, movable bolt 9 moves backward and retracts into mounting base 501, make the extension section 309 of last connecting rod 301 or lower connecting rod 302 can freely swing in the mounting base 501 front side, after human bearing unit 4 swings down to the position, manual promotion movable bolt 9 moves forward and stretches out bolt hole 5011, make movable bolt 9 block the below at extension section 309, prevent that patient from pushing human bearing unit 4 to both sides under the action of gravity and making it swing on, lead to patient to fall to the bed again, cause the secondary injury.

The sliding main frame 6 comprises two vertical frames 61 which are arranged oppositely, the top ends of the vertical frames 61 are rotatably connected with first groove wheels 62 which are coaxially arranged, and the sliding main frame 6 is suspended on the first cross rod 12 and the second cross rod 13 in a sliding manner through the first groove wheels 62; the sliding base 7 comprises a rectangular base body 71, four second groove wheels 72 which are arranged in parallel in pairs are rotatably installed at the corner positions of the rectangular base body 71, two sliding rods 63 which are arranged up and down are connected between the vertical side frames 61, and the sliding base 7 can relatively horizontally slide in the sliding main frame 6 through the matching of the four second groove wheels 72 and the upper and lower sliding rods 63.

In the third embodiment, the top end of the vertical frame 61 is further rotatably connected with an intermediate rotating wheel 507, and the intermediate rotating wheel 507 is coaxially arranged with the first groove wheel 62.

The first and second

revolute pairs

305, 306 are coaxially connected to the axle of the two second grooved wheels 72 towards the inside.

The top ends of the supporting upright rods 11 can be integrally connected or detachably connected through revolute pairs or connecting pieces 10 and are arranged vertically; one embodiment of the interface 10 is: comprises a transverse cylinder 101 and a longitudinal cylinder 102 which are connected integrally, the outer ends of the first cross bar 12 and the second cross bar 13 are nested in the transverse cylinder 101, and the top ends of the supporting uprights 11 are embedded in the longitudinal cylinder 102.

The human body support unit 4 comprises at least two bearing rods 41 connected to the lower part of the front connecting rod 304 or the swing connecting plate 31, the two bearing rods 41 are arranged in parallel, in the second embodiment, the swing paths of the bearing rods 41 are on the same circular arc line, in the third embodiment, the two bearing rods 41 are arranged in a relatively inclined way and the relative positions are not changed, and the bearing plate 42 is installed on the two bearing rods 41.

The supporting plate 42 comprises a head supporting plate 421, a trunk supporting plate 422 and a leg supporting plate 423 which are arranged at intervals along the height direction of a lying human body, the head supporting plate 421, the trunk supporting plate 422 and the leg supporting plate 423 respectively comprise a plate body 42-1, two ends of the plate body 42-1 are connected with a plate body support 42-2 in sliding fit with a bearing rod 41, and the plate surface of the plate body 42-1 is bent and provided with anti-skid grains 42-3; the supporting plate 42 with the structure can support the main part of a human body, the weight of the supporting plate 42 can be reduced, the bent plate body 42-1 can be better attached to the back of the human body after being cut into the bed surface of a patient bed A or a transfer bed B, the bent plate body 42-1 can preliminarily lift the human body to leave the bed surface after being cut into the bottom of the human body, and the human body can be placed to slide through the anti-slip patterns 42-3 on the plate body 42-1.

Referring to fig. 16 to 19, according to the detailed structures of the second and fourth embodiments, the specific operation of this embodiment is as follows:

when a patient needs to be transferred from the transfer bed B to the patient bed A, the patient transfer device is mounted on the transfer bed B, wherein the first cross bar 12 and the second cross bar 13 span between the two beds, and the lifting assemblies at the two ends are abutted against the head and the tail of the transfer bed B and the patient bed A.

And secondly, the two groups of sliding bases 7 are pushed to relatively slide in the sliding main frame 6, so that the distance of the human body bearing unit 4 is adjusted according to the width of a patient, then the hand-operated wheel 54 is rotated, the hand-operated wheel 54 drives the driving gear 52 to drive the driven gear 51 to rotate, and the human body bearing unit 4 is turned over.

When the unit 4 is turned downwards, the medical care personnel or the nursing staff can properly lift one side of the patient, so that the support plate 42 in the unit 4 can be conveniently transferred to the back of the patient, and the patient can lie on the support plate 42 in the unit 4 completely.

Fourthly, the user rotates the lifting crank 84 to lift the first cross bar 12, the second cross bar 13 and the supporting upright 11, and finally the human body supporting unit 4 is driven to lift up and lift the patient.

And fifthly, the user pushes the sliding main frame 6 to push the sliding main frame 6 on the transfer bed B to the patient bed A, and meanwhile, the patient finishes the transfer from the transfer bed B to the patient bed A.

And sixthly, rotating the lifting hand crank 84 in the opposite direction to enable the first cross rod 12, the second cross rod 13 and the supporting upright rod 11 to descend, finally driving the human body supporting unit 4 to descend to place the patient on the patient bed A, and finally rotating the hand crank wheel 54 in the opposite direction to enable the human body supporting unit 4 to leave the left side and the right side of the patient to complete the whole transfer process.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. A device for assisting in patient transfer, comprising: transfer device has the slip transfer unit that can make reciprocating translation motion including the bearing device that sets up from beginning to end, slidable mounting on the bearing device, and the slip is transferred and is rotated on the unit and is connected with swing arm mechanism, and fixedly connected with human bearing unit between its swing end, transfer device still includes the upset power component who is connected with human bearing unit, cuts the back realization bearing back of human body from the left and right sides when making human bearing unit follow arc orbit up-and-down motion through upset power component drive, promotes the slip and shifts the unit motion and make the human body carry out the slip transfer.

2. The device of claim 1, wherein: the sliding transfer unit comprises a sliding main frame and two groups of sliding bases which are arranged on the sliding main frame and can slide in a translation mode relatively, the overturning power assembly is arranged on the middle portion of the sliding main frame or the sliding bases, and the fixed end of the swing arm mechanism is rotatably connected to the sliding bases.

3. A device for assisting patient transfer according to claim 2 wherein: the swing arm mechanism comprises a swing connecting plate, a main rotating shaft is fixedly connected onto the swing connecting plate and is rotatably connected onto a rotary connecting sliding base, the human body bearing unit is fixedly connected onto the swing end of the swing connecting plate, and a turnover power assembly installed on the sliding base drives the human body bearing unit to swing up and down along an arc-shaped track.

4. A device for assisting patient transfer according to claim 2 wherein: the swinging arm mechanism comprises an upper connecting rod, a lower connecting rod, a rear connecting rod and a front connecting rod which are arranged in parallel, the two ends of the rear connecting rod are hinged with the upper connecting rod and the lower connecting rod through a first rotating pair and a second rotating pair, the two ends of the front connecting rod are hinged with the upper connecting rod and the lower connecting rod through a third rotating pair and a fourth rotating pair, the first rotating pair and the second rotating pair are connected on a sliding base, the human body bearing unit is fixedly connected onto the front connecting rod, and a turnover power component arranged on the sliding main frame drives the human body bearing unit to move up and down along an arc-shaped track.

5. A device for assisting patient transfer according to claim 3 wherein: the turnover power assembly comprises a first driven gear and a first driving gear, wherein the first driven gear is mounted on the main rotating shaft, the first driving gear is meshed with the first driven gear, a first driving gear shaft is connected to the first driving gear, and a hand-operated wheel is mounted on the first driving gear shaft.

6. The device of claim 4, wherein: upset power component installs two capstans of coiling flexibility silk including setting up the mounting base on the slip body frame on the mounting base, and equal coaxial arrangement has driven gear two on the capstan winch, installs between two driven gear two rather than the engaged driving gear two, is connected with synchronous transmission shaft between the driving gear two that sets up around, and hand crank is installed to synchronous transmission shaft's one end, runner in the middle of still installing on the slip body frame, runner and third revolute pair are connected in the middle of the other end of flexibility silk is walked around.

7. A device for assisting patient transfer according to claim 3 or 4 wherein: the bearing device comprises two supporting vertical rods arranged on the bearing surface, a first transverse rod and a second transverse rod are connected between the top ends of the two supporting vertical rods, and the first transverse rod and the second transverse rod are connected in a relative rotating mode along the horizontal plane through a hinged shaft.

8. The device of claim 7, wherein: the bottom of supporting the pole setting is provided with lifting unit, lifting unit has the cavity including supporting the supporting seat of putting on the loading end in the supporting seat, installs the lift pivot of connecting the eccentric wheel in the cavity, connects its pivoted lift crank of drive in the lift pivot, set up perpendicular guiding hole in the supporting seat of eccentric wheel top, the bottom of supporting the pole setting is passed perpendicular guiding hole and is supported and put on the outer wheel face of eccentric wheel, rotates through eccentric wheel eccentric and promote and support the pole setting and go up the lift down.

9. The device of claim 6, wherein: the upper connecting rod or the lower connecting rod is provided with an extension section by leaning against one end of the mounting base, and when the human body bearing unit is swung in place downwards, the movable bolt and the extension section form limiting fit.

10. The device of claim 6, wherein: the top end of the sliding main frame is rotatably connected with a first groove wheel, and the sliding main frame is slidably suspended on the first cross rod and the second cross rod through the first groove wheel; the sliding base comprises a rectangular base body, two second groove wheels which are arranged in parallel are rotatably arranged at the corner of the rectangular base body, two sliding rods which are arranged up and down are arranged in the sliding main frame, and the sliding base can slide in the sliding main frame in a translation mode relatively through the matching of the second groove wheels and the sliding rods.