CN110664559B - A wheelchair-loadable obstacle-climbing robot - Google Patents

Abstract

The present invention relates to an auxiliary robot, more specifically an auxiliary obstacle-crossing robot capable of loading a wheelchair, comprising a strip plate, a support plate I, a long column, a connecting column, a vertical column, a circular shaft, a frame rod slot, The opening, the frame rod fixing seat and the positioning screw IV, the present invention can load the wheelchair on it, and assist the wheelchair to walk on the more complicated terrain. Two strip-shaped plates are arranged at the front and back, and the two strip-shaped plates are connected by a support plate I, and a long column is connected on the two strip-shaped plates through a connecting column, and a vertical column is arranged on the two long columns. , the vertical column can slide and be fixed horizontally along the long column, the upper end of the vertical column is fixedly connected with a circular shaft, the height of the circular shaft can be adjusted, the inner end of the circular shaft is fixedly connected with a frame rod fixing seat, and the frame rod fixing seat is provided with a The frame rod slot, the frame rod slot is provided with an opening, the frame rod fixing seat is threadedly connected with a positioning screw IV, and the positioning screw IV is inserted into the frame rod slot.

Description

A wheelchair-loadable obstacle-climbing robot

technical field

The invention relates to an auxiliary robot, in particular to an auxiliary obstacle-crossing robot capable of loading a wheelchair.

Background technique

Wheelchairs are chairs with wheels that can help replace walking, and are divided into electric and manual folding wheelchairs. It is an important mobile tool for the wounded, sick and disabled at home for rehabilitation, turnover transportation, medical treatment, and outings. Wheelchairs not only meet the needs of the physically handicapped and the disabled, but also facilitate family members to move and take care of patients. Patients use wheelchairs for physical exercise and social activities.

Existing wheelchairs can only pass through relatively flat ground, and cannot walk on relatively complex terrain. When the disabled driving a wheelchair encounters a relatively complex terrain, it is difficult to pass, so a robot that assists the wheelchair to overcome obstacles is needed. , but conventional robots cannot load wheelchairs.

SUMMARY OF THE INVENTION

The present invention provides an auxiliary obstacle-crossing robot capable of loading a wheelchair.

The invention relates to an auxiliary robot, more specifically an auxiliary obstacle-crossing robot capable of loading a wheelchair, comprising a strip plate, a support plate I, a long column, a connecting column, a vertical column, a circular shaft, a frame rod slot, The opening, the frame rod fixing seat and the positioning screw IV, the present invention can load the wheelchair on it, and assist the wheelchair to walk on the more complicated terrain.

Two strip-shaped plates are arranged at the front and rear, and the two strip-shaped plates are connected by a supporting plate I, and a long column is connected on the two strip-shaped plates through a connecting column, and a vertical column is arranged on the two long columns. , the vertical column can slide horizontally along the long column and be fixed, the upper end of the vertical column is fixedly connected with a circular shaft, the height of the circular shaft can be adjusted, the inner end of the circular shaft is fixedly connected with a frame rod fixing seat, and the frame rod fixing seat is provided with a The frame rod slot is provided with an opening, the frame rod fixing seat is threadedly connected with a positioning screw IV, and the positioning screw IV is inserted into the frame rod slot.

The wheelchair-loadable auxiliary obstacle-crossing robot also includes a bar-shaped slot, a door-shaped insert and a positioning screw I. The lower part of the vertical column is fixedly connected with a door-shaped insert, and the door-shaped insert is inserted on the long column. The long column slides, the long column is provided with a strip groove, the door-shaped insert is connected with a positioning screw I through a thread, the positioning screw I is inserted in the strip-shaped groove, and the positioning screw I is tightly on the long column to fix the door-shaped plug-in in the long column. on the column.

The wheelchair-loadable auxiliary obstacle-crossing robot also includes a slider, a cylinder, a positioning screw II, a sliding plate, a connecting plate, a fixing seat and a positioning screw III. Positioning screw II, the positioning screw II is placed on the vertical column, and two sliding pieces are slidably connected to the vertical column. The two sliding pieces are fixedly connected by a connecting plate. The two sliding pieces are located on the upper and lower sides of the The upper and lower sides of the block are fixedly connected with cylinders, the two cylinders are respectively slidably connected to the two slides, the two cylinders are sleeved with springs, the two springs are located between the two slides, and the connecting plate is fixedly connected with a The fixed seat, the round shaft is slidably connected to the fixed seat, the fixing seat is connected with a positioning screw III through a thread, and the positioning screw III is topped on the round shaft.

The wheelchair-loadable auxiliary obstacle-crossing robot further includes a rear wheel slot and a front wheel slot, the left portions of the two strip plates are provided with rear wheel slots, and the right portions of the two strip plates are both provided with front wheel slots.

The wheelchair-loadable auxiliary obstacle-crossing robot also includes a threaded barrel, a hook, a bottom groove, a support plate II, a middle block, a screw, a latch and a main beam. The left ends of the two strip plates are provided with hooks, and the support plate I is slidably connected with the two hooks, the upper sides of the two strip plates are provided with threaded cylinders, the lower sides of the two strip plates are provided with bottom grooves, and the front and rear ends of the support plate II are slidably connected to the two On the bottom groove, the middle part of the support plate II is fixedly connected with the middle block, the middle part of the screw rod is rotatably connected to the middle block, and the screw rod is provided with two pins, the two pins are respectively located on the front and rear sides of the middle block, and the front and rear parts of the screw rod The threads are rotated in opposite directions, the front and rear parts of the screw rod are matched with the two threaded barrels respectively through the threads, and the two ends of the main beam are fixedly connected to the middle of the support plate I and the support plate II respectively.

The wheelchair-loadable auxiliary obstacle-crossing robot further includes an inclined plate, the left ends of the two strip-shaped plates are fixedly connected with the inclined plate, and the right end of the inclined plate is inclined downward.

The wheelchair-loadable auxiliary obstacle-crossing robot further includes spherical wheels, and four spherical wheels that can move vertically are arranged on the main beam.

The wheelchair-loadable auxiliary obstacle crossing robot also includes a convex plate, a vertical sliding column, a right-angle plate and a motor. The left and right ends of the main beam are fixedly connected with convex plates, and both the front and rear ends of the two convex plates slide vertically. The vertical sliding columns are connected, the lower parts of the four vertical sliding columns are fixedly connected with right-angle plates, the motors are arranged on the four right-angle plates, and the four spherical wheels are respectively fixedly connected to the output shafts of the four motors.

The wheelchair-loadable auxiliary obstacle-crossing robot further includes a stopper, the upper ends of the four vertical sliding columns are fixedly connected with the stopper, the four vertical sliding columns are all sleeved with shock-absorbing springs, and the four shock-absorbing springs are Both are located on the underside of the corresponding convex plate.

A battery is arranged on the main beam.

The beneficial effects of an auxiliary obstacle-crossing robot capable of loading a wheelchair of the present invention are:

The present invention is an auxiliary obstacle-crossing robot capable of loading a wheelchair. The present invention can load the wheelchair on it to assist the wheelchair to walk on a relatively complex terrain.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific implementation methods.

FIG. 1 is a schematic diagram 1 of the overall structure of an auxiliary obstacle-crossing robot capable of loading a wheelchair according to the present invention;

FIG. 2 is a schematic diagram 2 of the overall structure of an auxiliary obstacle-crossing robot capable of loading a wheelchair according to the present invention;

Fig. 3 is the structural representation one of strip plate, support plate 1 and long column;

Fig. 4 is the structural representation two of strip plate, support plate 1 and long column;

Fig. 5 is the structural representation of support plate II;

Fig. 6 is a structural schematic diagram one of a vertical column;

Fig. 7 is the structural schematic diagram 2 of the vertical column;

Figure 8 is a schematic structural diagram of a fixed seat;

Figure 9 is a schematic structural diagram of the main beam and the vertical sliding column.

In the figure: strip plate 1; rear wheel groove 101; threaded barrel 102; front wheel groove 103; hook 104; inclined plate 105; bottom groove 106; support plate I2; long column 3; ; Support plate II4; Middle block 401; Screw 402; Plug 403; Vertical column 5; ; round shaft 601; positioning screw III602; frame rod slot 603; opening 604; frame rod fixing seat 605; positioning screw IV606; main beam 7; convex plate 701; Motor 803; spherical wheel 804.

Detailed ways

In the description of the present invention, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

Specific implementation one:

The present embodiment will be described below with reference to FIGS. 1-9. The present invention relates to an auxiliary robot, more specifically an auxiliary obstacle-crossing robot capable of loading a wheelchair, comprising a strip plate 1, a support plate I2, a long column 3, a connection The column 302, the vertical column 5, the circular shaft 601, the frame rod slot 603, the opening 604, the frame rod fixing seat 605 and the positioning screw IV606, the present invention can load the wheelchair on it, and assist the wheelchair to walk on the more complex terrain.

Two strip-shaped plates 1 are arranged at the front and rear, the two strip-shaped plates 1 are connected by a support plate I2, and a long column 3 is connected to the two strip-shaped plates 1 through a connecting column 302. The two long columns 3 A vertical column 5 is provided on the top, the vertical column 5 can slide horizontally along the long column 3 and be fixed, the upper end of the vertical column 5 is fixedly connected with a circular shaft 601, the height of the circular shaft 601 can be adjusted, and the inner end of the circular shaft 601 is fixedly connected There is a frame rod fixing seat 605, the frame rod fixing seat 605 is provided with a frame rod slot 603, the frame rod slot 603 is provided with an opening 604, the frame rod fixing seat 605 is threadedly connected with positioning screws IV606, positioning screws IV606 Insert into frame rod slot 603. The wheelchair has four wheels, two rear wheels with a large radius and two small wheels with a small radius, and the four wheels of the wheelchair are placed on the two strip plates 1 respectively. The vertical column 5 can be slid and fixed horizontally along the long column 3, the height of the round shaft 601 can be adjusted, and the front and rear positions of the frame rod fixing seat 605 can be adjusted; there are many rods on the wheelchair frame, and the frame rod fixing seat 605 can be inserted in On the wheelchair rod, make the wheelchair rod enter into the frame rod slot 603 from the opening 604 on the frame rod fixing seat 605, and then rotate the set screw IV606 against the wheelchair rod in the frame rod slot 603 to fix the wheelchair rod. A plurality of frame rod fixing bases 605 can be provided to fix the plurality of rods on the wheelchair, and then the wheelchair is loaded on the robot.

Specific implementation two:

The present embodiment will be described below with reference to Figs. 1-9. The wheelchair-loadable auxiliary obstacle-crossing robot further includes a bar-shaped slot 301, a door-shaped insert 501 and a positioning screw I502. The lower part of the vertical column 5 is fixedly connected with a door-shaped insert 501. The door-shaped plug-in 501 is inserted on the long column 3, the door-shaped plug-in 501 can slide along the long column 3, the long column 3 is provided with a strip groove 301, and the door-shaped plug-in 501 is threadedly connected with a positioning screw I502, and the positioning screw I502 Inserted into the bar-shaped slot 301 , the positioning screw I502 is pressed against the long column 3 to fix the door-shaped insert 501 on the long column 3 . The door-shaped insert 501 slides along the long column 3 to adjust the left and right positions of the vertical column 5 . After the positioning screw I502 is unscrewed, the door-shaped insert 501 can be pulled out, which facilitates the installation and removal of the plurality of vertical columns 5 .

Specific implementation three:

The present embodiment will be described below with reference to Figs. 1-9. The wheelchair-loadable auxiliary obstacle crossing robot further includes a slider 503, a cylinder 504, a positioning screw II 505, a slider 506, a connecting plate 507, a fixing base 6 and a positioning screw III 602, A sliding block 503 is slidably connected to the vertical column 5, and a positioning screw II505 is threadedly connected to the sliding block 503. The positioning screw II505 is placed on the vertical column 5, and two sliding pieces 506 are slidably connected to the vertical column 5. The two sliding pieces The 506 is fixedly connected by the connecting plate 507, the two sliding pieces 506 are respectively located on the upper and lower sides of the sliding block 503, the upper and lower sides of the sliding block 503 are fixedly connected with a cylinder 504, and the two cylinders 504 are slidably connected to the two sliding blocks 504 respectively. On the sheet 506, two cylinders 504 are sleeved with springs, and the two springs are located between the two sliding sheets 506. The connecting plate 507 is fixedly connected with a fixed seat 6, and the circular shaft 601 is slidably connected to the fixed seat 6. The seat 6 is threadedly connected with a positioning screw III602, and the positioning screw III602 rests on the round shaft 601. The slider 503 can slide vertically on the vertical column 5, and the slider 503 can be fixed on the vertical column 5 by rotating the positioning screw II505, and the two sliding pieces 506 can also slide vertically on the vertical column 5. The pieces 506 are connected by the connecting plate 507, so the two sliding pieces 506 will slide synchronously. When the two sliding pieces 506 slide synchronously, one of the springs will be pressed. The spring can play a buffering role, so that the fixed seat 605 can By moving up and down a certain distance, the wheelchair fixed on the plurality of fixed seats 605 can be damped by a plurality of springs when the robot passes through a bad road, so that the person in the wheelchair is more comfortable.

Specific implementation four:

The present embodiment will be described below with reference to FIGS. 1-9. The wheelchair-loadable auxiliary obstacle-surmounting robot further includes a rear wheel slot 101 and a front wheel slot 103. The left portions of the two strip plates 1 are provided with a rear wheel slot 101. Front wheel grooves 103 are provided on the right portions of the two strip-shaped plates 1 . The rear wheel slot 101 and the front wheel slot 103 are respectively used to place the rear wheel with a large radius and the small wheel with a small radius on the wheelchair.

Specific implementation five:

The present embodiment will be described below with reference to FIGS. 1-9 . The wheelchair-loadable auxiliary obstacle crossing robot further includes a threaded barrel 102 , a hook 104 , a bottom groove 106 , a support plate II4 , a middle block 401 , a screw 402 , a latch 403 and a main Beam 7, the left ends of the two strip-shaped plates 1 are provided with hooks 104, the support plate I2 is slidably connected with the two hooks 104, the upper sides of the two strip-shaped plates 1 are provided with threaded cylinders 102, and the two strip-shaped Bottom grooves 106 are provided on the lower side of the plate 1, the front and rear ends of the support plate II4 are respectively slidably connected to the two bottom grooves 106, the middle part of the support plate II4 is fixedly connected with a middle block 401, and the middle part of the screw 402 is rotatably connected in the middle. On the block 401, the screw 402 is provided with two pins 403, and the two pins 403 are located on the front and rear sides of the middle block 401 respectively. The two threaded barrels 102 are matched, and the two ends of the main beam 7 are respectively fixedly connected to the middle of the support plate I2 and the support plate II4. When the rotating screw 402 rotates on the middle block 401, the distance between the two strip plates 1 can be increased or decreased, and the distance between the two strip plates 1 can be adjusted to adapt to different wheelchairs with different wheel distances.

Specific implementation six:

The present embodiment will be described below with reference to FIGS. 1-9 . The wheelchair-loadable auxiliary obstacle crossing robot further includes a sloping plate 105 . The left ends of the two strip-shaped plates 1 are fixedly connected with the sloping plate 105 , and the right end of the sloping plate 105 is downward. tilt. The inclined plate 105 can prevent the robot from overturning when the robot goes downhill, and is convenient for sliding the wheelchair from the two inclined plates 105 onto the two strip-shaped plates 1 .

Specific implementation seven:

The present embodiment will be described below with reference to FIGS. 1-9 . The wheelchair-loadable auxiliary obstacle-surmounting robot further includes spherical wheels 804 , and the main beam 7 is provided with four spherical wheels 804 that can move vertically.

Eighth specific implementation:

The present embodiment will be described below with reference to FIGS. 1-9 . The wheelchair-loadable auxiliary obstacle-crossing robot further includes a convex plate 701 , a vertical column 8 , a right-angled plate 802 and a motor 803 , and the left and right ends of the main beam 7 are fixedly connected There are protruding plates 701, the front and rear ends of the two protruding plates 701 are vertically slidingly connected with vertical sliding columns 8, the lower parts of the four vertical sliding columns 8 are fixedly connected with right-angle plates 802, and the four right-angle plates 802 are Motors 803 are provided, and four spherical wheels 804 are fixedly connected to the output shafts of the four motors 803 respectively. The four motors 803 drive the four spherical wheels 804 to rotate respectively, and then control the robot to move. The spherical wheels 804 are close to a spherical shape, which is convenient for walking on complex roads and will not easily fall into deep grooves on the road.

Specific implementation nine:

The present embodiment will be described below with reference to FIGS. 1-9 . The wheelchair-loadable auxiliary obstacle-crossing robot further includes a stopper 801 , and the upper ends of the four vertical sliding columns 8 are fixedly connected with the stopper 801 . The four vertical sliding columns 8 is sleeved with shock-absorbing springs, and the four shock-absorbing springs are all located on the lower side of the corresponding convex plate 701 . All of the four vertical sliding columns 8 can slide vertically, so that the upper and lower positions of the four spherical wheels 804 can be changed to adapt to complex terrain. The shock-absorbing spring has a shock-absorbing effect on the wheelchair.

Specific implementation ten:

The present embodiment will be described below with reference to FIGS. 1-9 . The main beam 7 is provided with a battery. The battery powers the four motors 803.

The working principle of the present invention: the wheelchair has four wheels, two rear wheels with a large radius and two small wheels with a small radius, and the four wheels of the wheelchair are placed on the two strip plates 1 respectively. The vertical column 5 can be slid and fixed horizontally along the long column 3, the height of the round shaft 601 can be adjusted, and the front and rear positions of the frame rod fixing seat 605 can be adjusted; there are many rods on the wheelchair frame, and the frame rod fixing seat 605 can be inserted in On the wheelchair rod, make the wheelchair rod enter into the frame rod slot 603 from the opening 604 on the frame rod fixing seat 605, and then rotate the set screw IV606 against the wheelchair rod in the frame rod slot 603 to fix the wheelchair rod. A plurality of frame rod fixing bases 605 can be provided to fix the plurality of rods on the wheelchair, and then the wheelchair is loaded on the robot. The door-shaped insert 501 slides along the long column 3 to adjust the left and right positions of the vertical column 5 . After the positioning screw I502 is unscrewed, the door-shaped insert 501 can be pulled out, which facilitates the installation and removal of the plurality of vertical columns 5 . The slider 503 can slide vertically on the vertical column 5, and the slider 503 can be fixed on the vertical column 5 by rotating the positioning screw II505, and the two sliding pieces 506 can also slide vertically on the vertical column 5. The pieces 506 are connected by the connecting plate 507, so the two sliding pieces 506 will slide synchronously. When the two sliding pieces 506 slide synchronously, one of the springs will be pressed, and the spring can play a buffering role, so that the fixed seat 605 can Moving up and down a certain distance makes the wheelchair fixed on the plurality of fixed seats 605 damped by a plurality of springs when the robot passes through a bad road, so that the person in the wheelchair is more comfortable. The rear wheel slot 101 and the front wheel slot 103 are respectively used to place the rear wheel with a large radius and the small wheel with a small radius on the wheelchair. When the rotating screw 402 rotates on the middle block 401, the distance between the two strip plates 1 can be increased or reduced, and the distance between the two strip plates 1 can be adjusted to adapt to different wheelchairs with different wheel distances. The inclined plate 105 can prevent the robot from overturning when the robot goes downhill, and is convenient for sliding the wheelchair from the two inclined plates 105 onto the two strip plates 1 . The four motors 803 drive the four spherical wheels 804 to rotate respectively, and then control the robot to move. The spherical wheels 804 are close to a spherical shape, which is convenient for walking on complex roads and will not easily fall into deep grooves on the road. All of the four vertical sliding columns 8 can slide vertically, so that the upper and lower positions of the four spherical wheels 804 can be changed to adapt to complex terrain. The shock-absorbing spring has a shock-absorbing effect on the wheelchair.

The battery powers the four motors 803.

Of course, the above description does not limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the essential scope of the present invention also belong to the present invention. protected range.

Claims (3)

1. The utility model provides a but supplementary obstacle crossing robot of loading wheelchair, includes strip shaped plate (1), backup pad I (2), long post (3), spliced pole (302), upstand (5), circle axle (601), frame pole slot (603), opening (604), frame pole fixing base (605) and set screw IV (606), its characterized in that: the front and back of the strip-shaped plates (1) are provided with two strip-shaped plates (1), the two strip-shaped plates (1) are connected through a support plate I (2), the two strip-shaped plates (1) are connected with long columns (3) through connecting columns (302), the two long columns (3) are provided with vertical columns (5), the vertical columns (5) can horizontally slide and be fixed along the long columns (3), the upper ends of the vertical columns (5) are fixedly connected with round shafts (601), the heights of the round shafts (601) can be adjusted, the inner ends of the round shafts (601) are fixedly connected with frame rod fixing seats (605), frame rod inserting grooves (603) are formed in the frame rod fixing seats (605), openings (604) are formed in the frame rod inserting grooves (603), the frame rod fixing seats (605) are connected with positioning screws IV (606) through threads, and the positioning screws IV (606) are inserted into the frame rod inserting grooves (603;

the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises a strip-shaped groove (301), a door-shaped plug-in (501) and a positioning screw I (502), the lower portion of the vertical column (5) is fixedly connected with the door-shaped plug-in (501), the door-shaped plug-in (501) is inserted into the long column (3), the door-shaped plug-in (501) can slide along the long column (3), the strip-shaped groove (301) is formed in the long column (3), the door-shaped plug-in (501) is connected with the positioning screw I (502) through threads, the positioning screw I (502) is inserted into the strip-shaped groove (301), and the positioning screw I (502) is tightly propped against the long column (3) to fix the door-shaped plug-in (501) on the long column (3);

the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises a sliding block (503), a cylinder (504), a positioning screw II (505), sliding blades (506), a connecting plate (507), a fixed seat (6) and a positioning screw III (602), wherein the sliding block (503) is connected on the vertical column (5) in a sliding manner, the positioning screw II (505) is connected on the sliding block (503) through threads, the positioning screw II (505) abuts against the vertical column (5), the vertical column (5) is connected with two sliding blades (506) in a sliding manner, the two sliding blades (506) are fixedly connected through the connecting plate (507), the two sliding blades (506) are respectively positioned on the upper side and the lower side of the sliding block (503), the cylinder (504) is fixedly connected on the upper side and the lower side of the sliding block (503), the two cylinders (504) are respectively connected on the two sliding blades (506) in a sliding manner, springs are sleeved on the two cylinders (504), and the, a fixed seat (6) is fixedly connected to the connecting plate (507), the round shaft (601) is connected to the fixed seat (6) in a sliding mode, a positioning screw III (602) is connected to the fixed seat (6) through threads, and the positioning screw III (602) abuts against the round shaft (601);

the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises a rear wheel groove (101) and a front wheel groove (103), the rear wheel grooves (101) are formed in the left parts of the two strip-shaped plates (1), and the front wheel grooves (103) are formed in the right parts of the two strip-shaped plates (1);

the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises a threaded cylinder (102), hook pieces (104), bottom grooves (106), a support plate II (4), a middle block (401), a screw rod (402), bolts (403) and a main beam (7), wherein the hook pieces (104) are arranged at the left ends of the two strip-shaped plates (1), a support plate I (2) is connected with the two hook pieces (104) in a sliding mode, the threaded cylinders (102) are arranged on the upper sides of the two strip-shaped plates (1), the bottom grooves (106) are arranged on the lower sides of the two strip-shaped plates (1), the front end and the rear end of the support plate II (4) are respectively connected onto the two bottom grooves (106) in a sliding mode, the middle block (401) is fixedly connected to the middle portion of the support plate II (4), the middle portion of the screw rod (402) is rotatably connected onto the middle block (401), the two bolts (403) are arranged on the screw rod (402), and the two bolts, the front and rear threads of the screw (402) are opposite in rotating direction, the front and rear threads of the screw (402) are respectively matched with the two thread cylinders (102) through threads, and two ends of the main beam (7) are respectively and fixedly connected to the middle parts of the support plate I (2) and the support plate II (4);

the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises an inclined plate (105), the left ends of the two strip-shaped plates (1) are fixedly connected with the inclined plate (105), and the right end of the inclined plate (105) inclines downwards;

the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises spherical wheels (804), and the main beam (7) is provided with four spherical wheels (804) capable of moving vertically;

the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises convex plates (701), vertical sliding columns (8), right-angle plates (802) and motors (803), the left end and the right end of a main beam (7) are fixedly connected with the convex plates (701), the front end and the rear end of each of the two convex plates (701) are vertically connected with the vertical sliding columns (8) in a sliding mode, the lower portions of the four vertical sliding columns (8) are fixedly connected with the right-angle plates (802), the four right-angle plates (802) are provided with the motors (803), and the four spherical wheels (804) are respectively fixedly connected to output shafts of the four motors (803).

2. The auxiliary obstacle crossing robot capable of being loaded with a wheelchair as claimed in claim 1, wherein: the auxiliary obstacle crossing robot capable of loading the wheelchair further comprises a stop block (801), the stop blocks (801) are fixedly connected to the upper ends of the four vertical sliding columns (8), damping springs are sleeved on the four vertical sliding columns (8), and the four damping springs are located on the lower sides of the corresponding convex plates (701).

3. The auxiliary obstacle crossing robot capable of being loaded with a wheelchair as claimed in claim 2, wherein: and a battery is arranged on the main beam (7).

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