KR101558224B1 - wheelchair ramp slope - Google Patents

Abstract

The slip prevention device and the rotation device used for attaching to the safety slope of the wheelchair according to the present invention are not limited to the slip prevention device and the rotary device, It is composed of a protruding frame to eliminate collision accident by using shock absorbing function and rotation function, and to prevent various safety accidents such as a puncture caused by sharp edges of both ends of a slope and sharpness, and damage of a wheelchair and a wheelchair The slip prevention device is provided on the bottom plate so that the slippery slippery slippery on the bottom of the slippery floor due to rain, In the event of a fall, injury or injury to the middleweight seat or the wheels of the wheelchair due to idle or slippery There is an effect that it is possible to relieve the Titanium to a stable movement in a state of being in close contact with the bottom plate.

Description

Wheelchair ramp slope {wheelchair ramp slope}

The present invention relates to a device for installing a sled-mounted vehicle for a disabled person, in order to facilitate the movement of the handicapped, and more particularly, to a device for removing obstacles that are different in height and height existing inside and outside a building, In order to assist the movement of persons with disabilities, they are installed in the form of piers in places and spaces where there is a gap between the place with the slope and the structure, and a disabled person using the wheelchair for the purpose of boarding the vehicle to assist the movement of the disabled, It is a device for giving a sense of security to the disabled who have difficulty in walking. It is a device for the disabled who uses the wheelchair to enter the sloe due to erroneous driving and machine operation, and the direction of the sloe installation and the direction of the wheelchair are changed. Users in various accidents due to wall damage The present invention relates to a safety slope for solving a stepped wheelchair treadmill in which a minimum safety margin is secured for a driver, a idle rotation due to a slip is solved, and a shock caused by a wall impact is absorbed to solve a falling accident and various safety accidents.

(Low-floor bus), which is easy to ride in the wheelchair according to the Transportation Under the Law for Supporting Movement, which is carried out by the government in order to support the people who are moving by wheelchair due to congenital disorder, acquired accidents, There are a large number of vehicles dedicated to the disabled nationwide, which are equipped with a call for handicapped persons and a slob that is supplied to individual facilities and individuals. However, there are various kinds of accidents due to fall, falling, falling of sloop and wheelchair, and falling accident due to the sloop for the handicapped or carer who is currently using it.

In the case of vehicles for disabled persons equipped with a slope for easy wheelchair access, Korea's automobile companies are currently producing and distributing them. In addition, a mobile device is mounted on a vehicle for a disabled person equipped with a slope for easy wheel- And the wheelchair and the protector can move relative to each other easily,

However, conventionally, in the case of a slip for a wheelchair for a disabled person's vehicle, a wheelchair and a guardian can relatively easily move by installing a slope for a wheelchair ride on a frame by erecting a wall on the floor in the form of a plate material or bending a flat plate. Safety devices or structures that respond to possible safety accidents are lacking.

Therefore, when a disabled person using a wheelchair enters a sloop by using a wheelchair, the wheelchair moves on the side of the slope in a direction that is opposite to the traveling direction, causing a falling of the wheelchair wheel or driving handing over the sloven wall surface, In the case of various accidents caused by the damage, there is a device that guarantees the minimum safety right to the user, a function to solve the idling due to the slip and a fall accident in the side impact, It is true.

In general, a wheelchair has two front wheels and two rear wheels, and two front wheels rotate in a predetermined direction, and move forward and backward to the left and right with a pushing force from behind. When a disabled person using a wheelchair enters a sloop, There is no prevention device due to the falling accident that the wheelchair wheel or driving handing over the wall of the sloe occurs when the side of the wheel is impacted due to the different speed and the direction of the wheelchair according to the circumstances and circumstances. Also, The wheel of the electric wheelchair due to the slip during idling is idling or does not solve the difficulty caused by the slip, and when using a manual wheelchair, it is likely to rain or slip on the floor due to the weather, I have difficulties in helping me with this In this case, the protector is pushed from the back, too, and the protector also does not solve the fall accident in which the slip floor is damp or the slip of the slip causes the slip to slip on the bottom of the slip. There is a need to give.

Finally, Korean Patent No. 10-0898390 (2009.05.18); Korean Patent No. 10-0814684 (2007.07.11); Korean Patent No. 10-1053219 (Aug. 19, 2010); In Korean Registered Utility Model No. 20-2013-005760 (March 26, 2012); The height of the protrusion of the rear floor of the vehicle is set low so that not only a manual wheelchair but also an electric wheelchair can be easily mounted and a separate space in which a driving device for operating a lift and a slope is installed on the rear floor of the vehicle, The present invention relates to a wheelchair-mounted handicapped vehicle which is widened to securely mount a wheelchair, and Korean Patent No. 10-0993942 (Aug. 27, 2010) discloses a structure in which a driving device for operating a step- Discloses a building staircase for a disabled person and an infant, in which a stepped portion of a building is adjusted by a separate space so that an electric wheelchair and an uncomfortable person can easily move as well as a passenger wheelchair in a flat plate state.

However, the above-mentioned prior art fails to satisfy a safety device for giving a sense of security to a disabled person who uses a wheelchair to ride on the stairs of a building and a car, a guardian to assist the wheelchair, and a disabled person who is not comfortable walking.

1. Korean Patent No. 10-0898390 (2009.05.18) 2. Korean Patent No. 10-0814684 (2007.07.11) 3. Korean Patent No. 10-1053219 (Aug. 19, 2010) 4. Korean Registered Utility Model No. 20-2013-005760 (March 26, 2012) 5. Korean Patent No. 10-0993942 (Aug. 27, 2010)

Therefore, the present invention is devised to solve such a problem, and firstly, (Problems, 1) A middle-sized protector and a handicapped person using an electric wheelchair and a passive wheelchair pushed from behind by a disabled person enter the sloe and the wheelchair is moved in the wrong direction to cause a wheelchair wheel or driven handing on the wall Second, solve the falling accident that occurs over the second; (Problems, 2) When it is raining or the weather is heavy on the bottom of the slope, the wheel of the electric wheelchair tends to idle or slip due to slip during icing, and when using a manual wheelchair, It is hard to climb by slippery when there is a lot of moisture on the floor or when it is freezing, so it solves the difficulty of pushing back or turning the wheel, Third; (Problem 3) When the guard pushes this manual wheelchair from behind in order to help the difficulty of the climbing of the manual wheelchair due to the rain or the dampness on the bottom of the sloe due to the weather or the slippery during icing, the protector slips We want to solve various safety accidents such as knee injuries caused by falls on the floor of Josu sloop.

That is, by providing the following devices, the user can achieve the purpose by eliminating the cause of injury to a user (a disabled person using various protective gear) and a guardian.

The present invention relates to a floor plate made of a plate material having a function of refracting in one or two stages so as to facilitate installation and storage, and a lower plate which slides on the bottom of the slob, (Problem 3) is solved by constructing a slip prevention function to prevent a knee injury due to an accident; The slip prevention function is configured to prevent the wheels of the electric wheelchair from rotating idly or slippery due to rain on both side surfaces of the bottom plate or due to slippery at the bottom of the sluff due to the weather, , 2); The wall and the wall of the bottom plate are erected so that the handicapped person and the carer using the middleweight type restraint and the manual wheelchair using the electric wheelchair pushed from the back by the handicapped person and the protector enter the sloe, So as to prevent a falling accident caused by departing from the vehicle; The wheelchair has two front wheels and two rear wheels, and the front wheel is rotated in a predetermined direction to push the rear wheel. In this case, the wheelchair has two front wheels and two rear wheels in order to adjust the wheelchair and the middle- When the disabled person using wheelchair enters the sloop, the direction and speed of the wheelchair are different according to the direction and speed of the wheelchair. The direction of the wheelchair is changed according to the circumstances and the wheelchair wheel or driven handling slacks when the side is impacted on the wall at both ends. A rotating device to prevent various safety accidents such as a falling accident that occurred over the wall and a puncture caused by the sharpness of the walls of both ends of the slope was formed at the high position of the wall at both ends (Problems 1 and 2) , Solves the same problem.

The slip prevention device and the rotation device used for attaching to the safety slope of the wheelchair according to the present invention are not limited to the slip prevention device, The purpose of the device is to prevent various accidents such as falling accident and punctures caused by damage to the walls of both ends of the slope due to collapsing, and damage to the slop and wheelchair. In the event that the device is configured, it is likely to be caused by a falling accident in which the slippery slippage of the protector causes the slippery person to slip on the floor of the sloop due to rain, Is idle, and the difficulty caused by the slip is solved, and the stable movement There is an effect that can be performed.

1 is a view showing a use of a safety slope for eliminating a wheelchair in a wheelchair according to an embodiment of the present invention;
2 is an explanatory view showing a problem of a conventional wheelchair vehicle sloop according to an embodiment of the present invention;
3 is a plan view showing a safety sled configuration for eliminating a wheelchair in a disabled person according to an embodiment of the present invention;
Fig. 4 is a sectional view showing a configuration of a safety sled for eliminating a wheelchair in a disabled person according to an embodiment of the present invention; Fig.
5 is a side view and perspective view showing a safety sled configuration for eliminating a wheelchair in a disabled person according to an embodiment of the present invention;
6 shows a safety sled configuration for eliminating a wheelchair in a wheelchair according to an embodiment of the present invention, which solves the problem of a conventional wheelchair sled for a disabled person
Explanatory diagram

 Hereinafter, configurations and techniques according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The following embodiments are provided as examples for allowing a person skilled in the art to sufficiently transmit and produce the intention of the present invention.

Therefore, the present invention is not limited to the embodiments described below, but may be embodied in other forms. In the drawings, the width, length, thickness, etc. of components may be exaggerated for convenience. Like reference numerals designate like elements throughout the specification.

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In order to facilitate movement of the handicapped person and to move the object more easily, the wheelchair step-by-step safety sloop according to the present invention eliminates the elevation difference in the inside and the outside of the building, And it is installed in the place where the gap between the sloped place and the structure is spaced apart from the space or in the form of a pier or when a disabled person using a wheelchair to assist the movement of persons with a disability and a guardian for helping them, The present invention relates to a safety slope for eliminating a step in a wheelchair of a disabled person who performs a safety structure and a safety device in a safety sloe to solve a falling accident and various safety accidents.

A safety slope for a disabled person who uses a wheelchair to assist the movement of a disabled person, a guardian to help the disabled person, and a disabled person who is uncomfortable to walk in a facility and a vehicle for a disabled person; When a disabled person or a carer using a wheelchair enters a slope due to a wrong driving or a mechanical operation, a wall is set up to prevent an accident that the slope installation direction and the wheelchair driving direction are turned off. The circular protruding frame constitutes a protruding frame on the wall, and when the disabled person and the protector using the wheelchair enter the slope due to erroneous driving and machine operation, A separate safety device for preventing the falling of the wall during the wall impact and the damage of the wall during the accident of the wheelchair and the sloop due to various accidents resulting from the falling of the wall during the wall impact is assembled to the circular protruding frame, ≪ / RTI > and one body; The above-mentioned floorboards prevent the wheels of the medium-sized endurance ball, the electric wheelchair and the manual wheelchair from idling or being slid backward due to the rain on both sides or the weather due to the weather, To form an anti-slip function; And a refracting portion provided with a separate anti-slip portion for preventing falls when the wheelchair and the wheelchair are pushed against the center of the bottom plate, the refracting portion being easy to store and install; The above-described safety slope for the disabled wheelchair step relief includes a bottom plate 10, a comb-like bottom plate stiffener 10-1, a wheel climbing non-slip fixture 60, a wheel climbing slip resistant material 60-1, The non-slid fixing member 70, the pedestrian-climbing non-skid member 70-1, and the refraction portion 80 form a lower portion; A cylindrical bar passing hole passing through the wall 20 and the wall circular protruding frame 30, a rotation bearing 30-1, a fixed nut receiving portion 30-2, a shock absorbing and falling preventing cylindrical bar receiving portion 30-3, the cylindrical bar 50, and the cylindrical barrel thread 50-1, the upper portion of which is made of a single body .

In the safety slope for solving the wheelchair step difference, the floor plate 10 and the wall 20 are assembled into a single body by assembling the respective accessories to form a single stage or a double stage, So that it can be stored and installed stably and can be grounded securely to the target ground.

That is, as shown in FIG. 1 (a representative drawing) showing the use of the safety slope for eliminating a wheelchair stepped disability of a disabled person, the safety slope for solving the wheelchair step difference is constructed by assembling respective accessories to the floor plate 10 and the wall 20 It is made up of one body or two stages and is installed in a facility where a vehicle and a step are present. If necessary, it can be easily accommodated and installed by using the refraction part (80) Therefore, it is necessary to use the wheelchair for the handicapped person, the guardian to help them, and the people who are not comfortable walking, to avoid the difficulty of using the facilities having the step difference.

As shown in FIG. 2 showing the problem of the conventional slip of the wheelchair for the disabled, which is shown for the sake of more detailed explanation of the problem of the moving sloe disclosed in the related art, the disabled person, the guardian assisting the disabled person, Moving slobs used when people board facilities and vehicles for persons with disabilities include: a bottom plate in the form of a plate; When a disabled person or a carer using a wheelchair enters a slope due to a wrong driving or a machine operation, the wall and the wheelchair are erroneously operated by a disabled person or a carer using a wheelchair to prevent an accident that the slope installation direction and the direction of the wheelchair are changed. The slope installation direction and the wheelchair traveling direction are prevented from falling when entering the traveling direction in which the traveling direction is different. According to the speed at which the direction of the wheelchair travels in the wrong direction, when the wall is hit, a falling accident that occurs over the wall, and a wheelchair and slovenly shock, the wall and the wheelchair driving handling are damaged.

Also, the moving sloop flooring sheet may cause the wheels of the middleweight support, the electric wheelchair and the manual wheelchair to idle, slide backward due to slippery due to rain on the bottom of the sloe due to rain or weather, It does not constitute a structure and device to prevent fall accidents.

In order to solve these problems, as shown in a top view (FIG. 3) showing a configuration of a safety sled for eliminating a wheelchair in a wheelchair according to an embodiment of the present invention, The bottom plate member 10 of the bottom plate member 10 is composed of a comb-like bottom plate stiffener 10-1 in a zigzag shape in a bi-directional manner, constituting a predetermined space from the center thereof; A wheel climbing non-slip material fixing portion 60 and a wheel climbing non-slip material 60-1 are formed on both sides of the comb-like bottom plate stiffener 10-1 formed on the bottom plate 10; A pedestrian climbing non-skid fixing portion 70 and a pedestrian climbing non-skid member 70-1 at a central portion, and a bottom plate member 10 made of a single body; And a refraction portion 80 at the bottom.

Reason; Generally, it is reinforced structure in vertical direction and horizontal direction in a straight shape by reinforcing the bottom plate material; In the case of the vertical direction, the reinforcing structure is easy to clean and strengthen but it is susceptible to falling or rolling back of the wheels of the moving means due to slipperiness, and in case of the horizontal direction, The reinforcement force and the slippery cause the wheels of the vehicle to idle or be pushed backward and to prevent falls. However, it is rainy and it is difficult to drain when there is a lot of moisture on the bottom of the slope, There is a difficulty in a cleaning work for removing a large amount of rain or frozen material.

As shown in the plan view (FIG. 3) showing the configuration of the safety slope of the disabled wheelchair level step according to the embodiment of the present invention, a method of reinforcing the floor slab 10 of the safety slope for eliminating the wheelchair step- A comb-like pattern of a shape that solves the weak points of the reinforcing structure in the vertical direction and the horizontal direction is formed on the bottom plate 10 by forming a predetermined space from the center and helping drainage and discharge, The comb-like bottom plate stiffener 10-1 is configured to provide a strong structure by reinforcing the bottom plate 10 and facilitating a cleaning operation to remove a large amount of freezing material depending on the weather.

In addition, in order to prevent the wheel of the moving means from idling or being pushed backward by the slippery motion, it is possible to prevent the wheels from slipping on the both sides of the comb-like bottom plate stiffener 10-1 of the bottom plate 10, The frame 60 is constructed so that the lifespan of the anti-slip agent can be maintained for a long period of time. Thus, the anti-skid member 60-1 of the wheel climbing slip prevention material 60 in the longitudinal direction, Permanent engagement allows the wheel climbing non-skid member 60-1 to maintain its lifetime for a long period of time, which prevents the wheels of the vehicle from idling or being pushed backward by the slippery, .

In addition, in order to help the climbing of the manual wheelchair, the protector is pushed from the back. At this time, in order to relieve a knee injury due to a falling accident in which the foot slips on the floor of the sloop, (10-1) Eviscer climbing non-skid fixing member 70 The frame is constructed so as to maintain the lifetime of the anti-slip agent for a long period of time, and a pedestrian climbing non-skid member 70- 1) is permanently coupled to prevent a fall that the protector slips on the floor of the sloop.

It is a problem with the conventional moving sloop that a disabled person and a carer using a wheelchair move in a sloping direction in a traveling direction in which the direction of the wheelchair travels, As a method of eliminating various secondary safety accidents caused by damage to drive handling; (See FIG. 3) showing the configuration of the safety sled for eliminating the wheelchair level difference of the disabled according to the embodiment of the present invention (FIG. 3) and the sectional view showing the configuration of the safety sled for eliminating the wheelchair in the disabled condition according to the embodiment of the present invention A wall 20 formed by extending from the bottom plate 10 together with the cylindrical bar protruding frame 30 formed in the wall 20 and the rotary bar bearing 30-1 and the fixed nut receiving portion 30 A cylindrical bar 50 penetrating through the hollow portion 50; And a shock absorbing and falling prevention cylinder rotating rod 40 assembled using the cylindrical bar thread 50-1 and the fixed function nut 50-2 formed in the cylindrical bar 50. [

Reason; It is a problem with the conventional moving sloop that a disabled person and a carer using a wheelchair move in a sloping direction in a traveling direction in which the direction of the wheelchair travels, In order to extinguish various secondary safety accidents caused by damage to the driving handing, the wheel which exists in all the moving means using the wheel including the wheelchair, In the case of a moving means in which four wheels are mounted according to the type of rotation, the two wheels are rotated to determine the traveling direction and then travel.

In other words. In the case of a vehicle equipped with four wheels, when two wheels turn and determine the direction of travel, there is always a case where the vehicle jumps or jumps according to the floor environment. When the vehicle ascends, the front wheel is heard. And the traveling direction is determined according to the position of the front wheel at the moment of grounding.

Here, when the front wheel of the electric wheelchair and the manual wheelchair rotate freely 360 degrees and move forward, backward, leftward and rightward, the central axis of the front wheel and the center of the wheel are grounded at a predetermined angle without straight line. This is because the center of gravity of the front wheel is grounded so that the front wheel can be freely rotated 360 degrees by dispersing the center of gravity. Depending on the speed of entering the slope in the direction of the wrong direction, there are a variety of secondary and safety accidents caused by a fall that occurs over the wall during a wall impact, and a wheelchair driven handing when the wheelchair slacks.

So; (See FIG. 3) showing the configuration of the safety sled for eliminating the wheelchair level difference of the disabled according to the embodiment of the present invention (FIG. 3) and the sectional view showing the configuration of the safety sled for eliminating the wheelchair in the disabled condition according to the embodiment of the present invention A wall 20 formed to extend from the bottom plate 10 together with the cylindrical bar protrusion frame 30 and a cylindrical bar passing hole for passing the cylindrical bar 50 through the wall circular protruding frame 30 to improve the rotation function, (30-1), a cylindrical rod (50) penetrating through the fixed nut receiving portion (30-2); The shock absorbing and falling preventing cylindrical bar accommodating portion 30-3 is assembled by using the cylindrical bar thread 50-1 and the fixed function nut 50-2 formed on the cylindrical bar 50, Absorption and fall prevention cylinder rotating rod 40. [

This is because the shock absorbing and falling preventing cylinder 30 of the wall circular protruding frame 30 constituted by the wall 20, which is extended from the bottom plate member 10 when the wall is impacted, according to the speed at which the wheelchair travels in a direction in which the traveling direction of the wheelchair is changed, The shock absorber and fall preventing cylindrical rotary bar 40 assembled in the rotary bar housing part 30-3 is rotated from the top to the bottom like the wheelchair wheel so that the wheelchair wheel and the wheelchair driving hand riding are carried over the wall body 20 Resulting in the complete collapse of the accident.

Here, in order to help the climbing of the manual wheelchair, the protector is pushed from behind. At this time, in order to solve the knee injury due to the falling accident that the foot slips on the floor of the slob, the comb plate bottom plate stiffener (10-1) Eviscer climbing non-skid fixing member 70 The frame is constructed so as to maintain the lifetime of the anti-slip agent for a long period of time, and a pedestrian climbing non-skid member 70- 1)) of the floor panel (10) so as to prevent a fall-accident in which a protector slips on the bottom of the slovu, thereby extending the floor panel (10); A wall 30 for holding the shock absorbing and falling prevention cylindrical rotation bar accommodating section 30-3 and the cylindrical bar passing hole and the rotation bearing 30-1 in the wall circular protruding frame 30, -1) and passes through the cylindrical bar 50 to assemble the shock absorbing and falling preventing cylindrical rotary bar 40 to the shock absorbing and falling preventing cylindrical rotary bar accommodating portion 30-3, A bearing for improving the rotating function of the rotary bearing 30-1 and a cylinder rod 50 for storing the cylindrical rod 50. The cylindrical rod thread 50-1 and the fixed function nut 50-2 serve as a fixed nut receiving portion 30- 2 so that the fixed function nuts 50-2 are not exposed or protruded, and when they are used in two stages, the slack eliminating slopes of the disabled wheelchair steps are formed in a straight line by using the refracting portion 80. [

4 is a plan view (FIG. 3) showing a wheelchair stepped safety slack eliminating safety slack configuration according to an embodiment of the present invention and a sectional view (FIG. 4) showing a wheelchair step safety slack eliminating safety sled configuration according to an embodiment of the present invention; And a side view and a perspective view (FIG. 5) showing a safety sled configuration for eliminating a wheelchair in a wheelchair according to an embodiment of the present invention.

In addition, as shown in FIG. 6, which solves a falling accident among problems of a wheelchair vehicle slew of a disabled person with a wheelchair step-by-step safety slack configuration for a disabled person according to an embodiment of the present invention In case of a falling accident, a person with a disability and a carer using a wheelchair move in a direction in which the wheelchair travels in the wrong direction, depending on the speed at which the vehicle enters the sloop. In case of a wall crash, In order to extinguish various secondary and safety accidents caused by the damage, the wheel which exists in all the moving means using the wheel including the wheelchair is moved in the direction of going upwards, downwards, leftwards and rightwards, By using the characteristic of moving from the top to the bottom, the handicapped person and his / The shock absorbing and falling preventing cylindrical rotary bar 40 constituted by the shock absorbing and falling preventing cylindrical rotary bar housing portion 30-3 of the wall body 20 during the wall impact according to the speed of entering the slope in the different traveling direction In the direction of the wheelchair, the wheelchair is rotated from the central axis to the downward direction along with the wheel and driving handling, thereby preventing a falling accident that occurs on the wall when the wall is impacted and the direction of the wheelchair is changed irrespective of the speed of entering the sloop It gives the time and stability that can correct the direction of the movement. The rain of the both sides of the floor plate, the humidity on the bottom of the sluf due to the weather, or the slippery when it freezes makes the wheels of the middleweight seat, electric wheelchair and manual wheelchair idle Or to prevent it from being pushed back by a slip; And a restraining portion for preventing the fall of the wheelchair when the wheelchair and the wheelchair are pushed against the wheelchair are provided at the center of the bottom plate member.

 While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

10; Floor plate
10-1; A comb-like bottom plate stiffener
20; Wall
30; Two-wall circular protruding frame
30-1; Cylindrical through-hole and rotating bearing
30-2; Fixed nut receiving portion
30-3; Shock absorption and fall prevention cylinder rotating rod compartment
40; Shock absorber and anti-fall cylinder bar
50; Cylindrical bar
50-1; Cylindrical bar thread
50-2; Fixed nut
60; Wheel Climbing
60-1; Wheel climbing slip resistant
70; Pedestrian climbing anti-slip device
70-1; Pedestrian climbing slip resistant
80; Refraction part

Claims (1)

Elimination of wheelchair level steps for disabled persons In safety sloop,
A bottom plate 10 made of a plate material; A comb-like bottom plate stiffener (10-1) which is reinforced and easy to clean; The pedestrian climbing non-skid member 70 and the pedestrian climbing non-skid member 70-1, which are coupled to the comb-like bottom plate stiffener 10-1 to prevent falls, (60) and a wheel climbing slip-off preventing member (60-1) for preventing slippage of the wheel climbing non-skid steer (60) and the wheel climbing slip-off preventing member (60-1) to form a bottom plate (10); A wall 20 extending from the bottom plate 10 to prevent a falling accident; The wall 20 and the frame are made of a wall circular protruding frame 30 constituting a storage space for the shock absorbing and falling preventing cylindrical rotary bar 40 absorbing the shock when the wall was impacted and disappearing the falling accident over the wall I will; A cylindrical bar protruding frame 30 is provided with a cylindrical bar passing hole and a rotary bearing 30-1 so as to house a cylindrical rod 50 passing through the wall circular protruding frame and a shock absorbing and falling preventing cylindrical bar 40 And a rotary bearing 30-1,
The wall of the stepped relief safety slope 30 is formed in the cylindrical holding protrusion 30-2 of the cylindrical protruding frame 30 at the both ends of the cylindrical protruding frame 30, The rod 50 is fixed with the fixed function nut 50-2
Characterized in that said shock absorbing and fall preventing cylindrical swing rod (40) is rotatable.

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