CN217148494U - Height-adjustable lifting type airplane maintenance working ladder - Google Patents

Abstract

The utility model provides a height-adjustable lifting type airplane maintenance work ladder, which belongs to the technical field of airport maintenance and aims to solve the problems that the ladder stool space of the traditional work ladder is not suitable for all people and the injury to users is difficult to be minimized, and comprises a main body; the top surface of the main body is slidably clamped with the bottom plate; the bottom plate is movably connected with the step ladder through a shaft; the front end surface of the step ladder is clamped with the pedal. The utility model discloses the step has been set up, when the step rises along with the connecting plate, the footboard rotates downwards along with the angle change of step, adjust the difference in height between the footboard simultaneously, be applicable to all people, after the step descends, the footboard is the tilt state that reduces backward, under the most in service behavior of user, the body is faced towards the step slope after stepping on the footboard, thereby can guarantee that the body weight is to being close to step lopsidedness, when taking place to fall accident, the health can fall on the step and can not fall down to the direction that deviates from the step, avoid rolling the injury, fall to minimumly with the injury.

Description

Adjustable height lift aircraft maintenance work ladder

technical field

The utility model belongs to the technical field of airport maintenance, in particular to a lift-type aircraft maintenance working ladder with adjustable height.

Background technique

When the maintenance personnel carry out normal maintenance or maintenance of the aircraft, because the aircraft is relatively high, it is necessary to use a working ladder, so that the maintenance personnel can stand in a suitable position for maintenance or maintenance, which is convenient for use, protects the safety of the maintenance personnel, and can improve work efficiency. .

Based on the prior art, it is found that most of the existing work ladders are of foldable or fixed structure, and it is difficult to adjust the spacing between each step stool, and the spacing is not suitable for everyone to use. The center of gravity is inclined and deviates from the direction of the step stool, and it will roll down in the event of an accident, which is difficult to minimize the damage to the user; because the step stool is a stepped structure, it occupies a large area, and it is difficult to use the lifting method to the user. Lifting makes it difficult to repair the interior of a small space, and at the same time, the occupation area can be reduced.

Utility model content

In order to solve the above technical problems, the present invention provides a lift-type aircraft maintenance work ladder with adjustable height, so as to solve the problem that the distance between each step stool of the traditional work ladder is not suitable for everyone to use, and it is difficult for users to use it during use. The damage is minimized; it is difficult to use the lifting method to lift the user, it is difficult to repair the interior of the small space, and the problem of occupying area can be reduced at the same time.

The purpose and effect of the height-adjustable lift-type aircraft maintenance working ladder of the present utility model are achieved by the following specific technical means:

The height-adjustable lift-type aircraft maintenance work ladder includes a main body; the left and right sides of the front end surface of the main body are respectively fixed and connected to side plates, the top surface of the main body is slidably connected to the bottom plate, and the left side of the front end surface of the main body is fixedly connected to the main fixture , the right side of the front end surface of the main body is fixedly connected to the auxiliary fixture; the bottom plate is movably connected to the step ladder through the shaft; the left and right sides of the step ladder and the top surface of the main body are fixedly provided with handrail frames, and the front end surface of the step ladder is clamped to the pedal; The height of the side plate is equal to the height of the armrest frame; the inner side of the main fixing member is respectively fixed with main sliding rails; the outer side surface of the auxiliary fixing member is respectively provided with auxiliary sliding rails; The left group of the upper sliding and clamping connecting plates, the right group of the main sliding rails are sliding and clamping the sliders; the right group of the auxiliary sliding rails are sliding and clamping connecting plates, and the left side of the auxiliary sliding rails are The sliding block is slidably connected to the upper part of the group; the front end surfaces of the two sets of connecting plates are fixedly connected to the rear end surfaces of the step ladders; the outer end surfaces of the two sets of the sliding blocks are respectively fixedly connected with connecting pieces; the top surfaces of the connecting pieces are fixedly connected Lifting plate; armrest pieces are installed on the left and right sides of the lifting plate; two sets of pneumatic support rods are fixedly arranged on the bottom surface of the armrest piece; the bottom surface of the pneumatic support rods is fixedly connected to the top surface of the main body.

Further, the main body includes a belt conveyor, the belt conveyor is fixedly installed on the top surface of the main body and the front end of the main fixing member, and the belt conveyor is surrounded by a belt and is electrically connected with the external main switch.

Further, the step ladder includes a through slot and a chute, the through slot is arranged inside the step ladder and runs through in the left and right directions, the slot is arranged on the front end face of the step ladder, and the inside of the through slot slides and clamps the support plate, and the chute The inner sliding and clamping connection block, the bottom of the step ladder is provided with a sleeve and is movably connected to the rear end of the bottom plate through the shaft, the top of the support plate is fixedly connected to the pedal, the bottom of the support plate is fixedly connected to the slide plate, and the rear end of the pedal is fixed with a connecting block. The rear side of the pedal and the top of the slide plate are fixedly provided with a jacking pipe, and the inside of the jacking pipe is provided with an electronically controlled telescopic rod, which is connected with the belt conveyor circuit, and the circuit is designed to raise and lower corresponding to the forward and reverse directions of the belt conveyor.

Further, the main fixing member includes a fixing plate and a bracket, the fixing plate is fixedly connected between the two sets of main fixing members, the front end surface of the fixing plate is fixedly connected to the bracket, and the rear side of the bracket is movably connected to the belt through the shaft. A transmission plate is arranged on the inner side of the transmission plate and between the two sets of main fixing parts, and the front end surface of the transmission plate is fixedly connected to the connecting plate.

Further, a connecting rod is fixedly connected to the rear side of the auxiliary fixing member, and an end of the connecting rod is fixedly connected to the main body.

Further, the rear end surface of the slider is fixedly connected to the receiving plate, and the slider is magnetically connected to the auxiliary slide rail and communicates with the external main switch, the receiving plate is fixedly connected to the front end surface of the connecting piece through the bolt assembly, and the receiving plate is a cuboid structure. And the front end surface is fixed and vertically connected to the bracket, the bracket is a wedge-shaped structure and the top surface is fixedly connected to the lifting plate.

Further, the armrest includes a guardrail and a touch switch, the guardrail is fixed and vertically connected to the top surface of the armrest, and the touch switch is installed on the top surface of the armrest and electrically connected to the slider and the external main switch respectively.

The utility model at least includes the following beneficial effects:

1. The utility model is provided with a step ladder. When the step ladder rises with the connecting plate, it drives the pedal, the slide plate and the support plate to move upward synchronously, and the pedal rotates downward with the change of the angle of the step ladder. The height difference is suitable for all people. When the step ladder is raised to the highest state, the pedal is in a horizontal state. When the step ladder is lowered, the pedal is inclined backward, so that the user's body faces the step ladder after stepping on the pedal. Tilting, so as to ensure that the body's center of gravity is inclined to the side close to the step ladder. In the event of a fall accident, the body will fall on the step ladder instead of falling in the direction away from the step ladder, so as to avoid rolling injuries and reduce injuries. to the minimum.

2. The utility model is provided with a lift plate, when the external master switch is used to start the slider to slide on a set of auxiliary slide rails on the left side through the principle of magnetic levitation, and the connecting piece is synchronously driven to slide up and down, thereby driving the lift plate to rise and fall, and also drive the handrail. Lifting, when the lift board is lowered to a suitable height, the user steps on the lift board from the top of the step ladder, and after adjusting the height of the lift board again, the user can be lifted to the height where the aircraft needs to be repaired, which is convenient for maintenance in the small space. The occupied area can be reduced.

Description of drawings

Figure 1 is a schematic diagram of the upper left structure of the present invention.

FIG. 2 is a schematic diagram of the upper right structure of the present invention.

FIG. 3 is a schematic view of the unfolded structure of the present invention.

FIG. 4 is a schematic structural diagram of the main fixing member of the present invention.

FIG. 5 is a schematic structural diagram of the auxiliary fixing piece of the present invention.

6 is a schematic diagram of the unfolded structure of the step ladder of the present invention.

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 2 of the present invention.

In the figure, the corresponding relationship between component names and drawing numbers is:

1. Main body; 101. Side plate; 102. Bottom plate; 103. Belt conveyor; 2. Step ladder; 21. Through groove; 22. Chute; ; 203, support plate; 204, armrest frame; 3, main fixing part; 301, fixing plate; 302, bracket; 303, main slide rail; 304, transmission plate; 305, connecting plate; 4, auxiliary fixing part; 401 , auxiliary slide rail; 402, connecting rod; 5, connecting piece; 501, receiving plate; 502, bracket; 503, lifting plate; 504, sliding block; 6, handrail piece; 601, guardrail; 602, pneumatic support rod; 603 , Touch switch.

Detailed ways

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

In the description of the present invention, unless otherwise specified, "a plurality" means two or more; the terms "coaxial", "bottom", "one end", "top", "middle", " The orientation or positional relationship indicated by "the other end", "upper", "one side", "top", "inside", "front", "center", "ends", etc. is based on the orientation shown in the drawings or The positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, terms such as "installation", "setting", "connection", "fixation", "spinning" and the like should be understood in a broad sense, For example, it can be a fixed connection, a detachable connection, or an integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components Or the interaction relationship between the two elements, unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Example:

As shown in accompanying drawings 1 to 7:

The utility model provides a height-adjustable lift-type aircraft maintenance work ladder, comprising a main body 1; the left and right sides of the front end surface of the main body 1 are respectively fixed and connected to side plates 101, the top surface of the main body 1 is slidably clamped to the bottom plate 102, and the front end of the main body 1 The left side of the face is fixedly connected to the main fixing member 3, and the right side of the front end of the main body 1 is fixedly connected to the auxiliary fixing member 4; the bottom plate 102 is movably connected to the step ladder 2 through the shaft; frame 204, the front end of the step ladder 2 is clamped to the pedal 201; the height of the side plate 101 is equal to the height of the handrail frame 204; the inner side of the main fixing member 3 is respectively fixed with a main slide rail 303; Auxiliary slide rails 401 are respectively provided; a group of the left side of the main rail 303 is slidably clamped to the connecting plate 305 , and a group of the right side of the main rail 303 is slidably clamped to a sliding block 504 ; a group of the right side of the auxiliary rail 401 The upper group slides and clamps the connecting plate 305, and the left side of the auxiliary slide rail 401 slides and clamps the sliding block 504 on the upper group; The end faces are respectively fixedly connected with connecting pieces 5; the top surface of the connecting piece 5 is fixedly connected to the lifting plate 503; the left and right sides of the lifting plate 503 are installed with handrail pieces 6; The bottom surface of the rod 602 is fixedly connected to the top surface of the main body 1 .

As shown in FIG. 3 and FIG. 5 , the rear end surface of the sliding block 504 is fixedly connected to the receiving plate 501 , and the sliding block 504 is magnetically connected to the auxiliary slide rail 401 and communicates with the external main switch, and the receiving plate 501 is fixedly connected to the external main switch through the bolt assembly. On the front end face of the connector 5, the receiving plate 501 is a cuboid structure and the front end face is fixed and vertically connected to the bracket 502. The bracket 502 is a wedge-shaped structure and is fixedly connected to the lifting plate 503 on the top surface. The bracket 502 provides reinforcement support for the lift plate 503. When the lift plate 503 is lowered to a suitable height, the user steps on the lift plate 503 from the top of the step ladder 2. After adjusting the height of the lift plate 503 again, the user can lift the user to the point where the aircraft needs to be repaired. height, so as to meet the needs of use.

As shown in FIG. 4 and FIG. 6 , a connecting rod 402 is fixedly connected to the rear side of the auxiliary fixing member 4 , and the end of the connecting rod 402 is fixedly connected to the main body 1 , and the connecting rod 402 is used to provide the installation and fixing base for the auxiliary fixing member 4 , When the connecting plate 305 moves and slides on the auxiliary sliding rail 401 , when the slider 504 slides on the auxiliary sliding rail 401 , it can drive the connecting piece 5 to move, so as to realize the lifting function of the lifting plate 503 .

As shown in FIG. 7 , the main body 1 includes a belt conveyor 103. The belt conveyor 103 is fixedly installed on the top surface of the main body 1 and the front end of the main fixing member 3. The belt conveyor 103 is surrounded by a belt and is electrically connected to the external main switch. After being driven, the belt conveyor 103 drives the belt drive, so that the step ladder 2 has a moving driving force, and can drive the step ladder 2 to adjust the height so that people of different heights can use it.

As shown in FIG. 6 , the step ladder 2 includes a through groove 21 and a chute 22. The through groove 21 is provided inside the step ladder 2 and runs through in the left and right directions. The inner sliding and clamping support plate 203, the inner sliding clamping connection block 2012 of the chute 22, the bottom of the step ladder 2 is provided with a sleeve and is movably connected to the rear end of the bottom plate 102 through the shaft, the top of the supporting plate 203 is fixedly connected to the pedal 201, The bottom of the support plate 203 is fixedly connected to the sliding plate 202, the rear end of the pedal 201 is fixedly provided with a connecting block 2012, the rear side of the pedal 201 and the top of the sliding plate 202 are fixedly provided with a jacking pipe 2011, and the inside of the jacking pipe 2011 is provided with an electronically controlled telescopic rod and is connected with it. The belt conveyor 103 is connected in circuit and the circuit design raises and lowers corresponding to the forward and reverse directions of the belt conveyor 103. The through slot 21 and the chute 22 provide movement and installation space for the height adjustment of the slide plate 202 and the pedal 201. When the connecting plate 305 rises, it drives the pedal 201, the sliding plate 202 and the support plate 203 to move upward synchronously, and the pedal 201 rotates downward with the change of the angle of the step ladder 2. In the horizontal state, when the step ladder 2 descends with the connecting plate 305, it drives the pedal 201, the sliding plate 202 and the support plate 203 to move downward synchronously. After stepping on the pedal 201, the body tilts toward the step ladder 2, so that the center of gravity of the body can be ensured to be inclined to the side close to the step ladder 2. In the event of a fall accident, the body will fall on the step ladder 2 and will not deviate from the step ladder. Fall in the direction of 2 to avoid rolling injuries and minimize injuries.

As shown in FIG. 4 , the main fixing member 3 includes a fixing plate 301 and a bracket 302 , the fixing plate 301 is fixedly connected between the two sets of main fixing members 3 , and the front end surface of the fixing plate 301 is fixedly connected to the bracket 302 , and the bracket 302 The rear side of the belt is movably connected to the belt through the shaft. The inner side of the belt and between the two sets of main fixing parts 3 are provided with a transmission plate 304. The front end of the transmission plate 304 is fixedly connected to the connection plate 305. The bracket 302 provides tension and support for the belt. , the fixing plate 301 provides the mounting and fixing base for the bracket 302. When the belt is driven to rotate by the belt conveyor 103, it drives the transmission plate 304 to move, and the transmission plate 304 drives the connecting plate 305 to move, thereby realizing the lifting adjustment of the step ladder 2.

As shown in FIG. 3 , the handrail 6 includes a guardrail 601 and a touch switch 603 . The guardrail 601 is fixed and vertically connected to the top surface of the handrail 6 , and the touch switch 603 is installed on the top surface of the handrail frame 204 and is respectively connected with the slider. 504 is electrically connected with the external main switch. When the external main switch is used to start the slider 504 to slide on the left set of auxiliary slide rails 401 through the principle of magnetic suspension, the connecting piece 5 is synchronously driven to slide up and down, thereby driving the lifting plate 503 to rise and fall, and also Drive the handrail member 6 to rise and fall, and the bottom of the handrail member 6 has a supporting force through the air pressure support rod 602. When the guardrail 601 is pressed down, the handrail member 6 exerts force on the air pressure support rod 602, and the internal air pressure of the air pressure support rod 602 is increased to ensure support. As a result, when the touch switch 603 is pressed down and triggered by the lowered armrest member 6, the slider 504 stops moving downward to ensure that the armrest member 6 has the lowest position and protect the armrest frame 204 from being crushed and damaged.

In another embodiment, an electrically controlled telescopic rod or an air pressure rod can be added to the bottom of the lift plate 503 and electrically connected with the touch switch 603 , and the electrically controlled telescopic rod or the air pressure rod can provide stronger support for the lift plate 503 , At the same time, it can be raised and lowered synchronously with the pneumatic support rod 602 .

The specific usage mode and function of this embodiment:

In the present invention, the belt conveyor 103 is used to drive the belt drive, the belt drives the drive plate 304 to move, and the drive plate 304 drives the connecting plate 305 to move, so as to realize the lifting adjustment of the step ladder 2. When the step ladder 2 rises with the connecting plate 305 When the pedal 201, the sliding plate 202 and the support plate 203 are driven to move upward synchronously, and the pedal 201 rotates downward with the change of the angle of the step ladder 2, after adjusting the angle and position of the step ladder 2, the user walks to the step ladder 2 , after stepping on the top pedal 201, the external master switch is used to start the slider 504 to slide on the left set of auxiliary slide rails 401 through the principle of magnetic suspension, synchronously driving the connecting piece 5 to slide up and down, thereby driving the lifting plate 503 to rise and fall, and also Drive the handrail 6 to rise and fall. When the lift plate 503 is lowered to a suitable height, the user steps on the lift plate 503 from the top of the step ladder 2, and after adjusting the height of the lift plate 503 again, the user can be lifted to the height of the aircraft that needs to be repaired, so as to meet the Usage requirements.

What is not described in detail in the present invention is the well-known technology of those skilled in the art.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for the design of various embodiments with various modifications as are suited to the particular use.

Claims (7)

1. The height-adjustable lift-type aircraft maintenance work ladder is characterized in that: it comprises a main body (1); The front side of the main body (1) is fixedly connected to the main fixing member (3) on the left side, and the right side of the front end surface of the main body (1) is fixedly connected to the auxiliary fixing member (4); the bottom plate ( 102) The step ladder (2) is movably connected through the shaft; the left and right sides of the step ladder (2) and the top surface of the main body (1) are fixedly provided with handrail frames (204), and the front end surface of the step ladder (2) is clamped to the pedal (201); the height of the side plate (101) is equal to the height of the armrest frame (204); the inner sides of the main fixing member (3) are respectively fixed with main sliding rails (303); the auxiliary fixing member (4) Auxiliary slide rails (401) are respectively provided on the outer sides of the main slide rails (303); the left side of the main slide rail (303) is slidably clipped with connecting plates (305), and the right side of the main slide rail (303) is set on the right side. The upper sliding and clamping sliders (504); the right group of the auxiliary sliding rails (401) is slidably clamping the connecting plates (305), and the left group of the auxiliary sliding rails (401) is upper sliding clamping sliders (504); the front end surfaces of the two groups of the connecting plates (305) are fixedly connected to the rear end surfaces of the step ladders (2); the outer end surfaces of the two groups of the sliding blocks (504) are respectively fixedly connected with connecting pieces (5); The top surface of the connecting member (5) is fixedly connected to the lifting plate (503); the left and right sides of the lifting plate (503) are provided with handrail members (6); the bottom surface of the handrail member (6) is fixedly provided with two sets of air pressure A support rod (602); the bottom surface of the pneumatic support rod (602) is fixedly connected to the top surface of the main body (1). 2. The height-adjustable lift-type aircraft maintenance work ladder according to claim 1, wherein the main body (1) comprises a belt conveyor (103), and the belt conveyor (103) is fixedly installed on the top of the main body (1). The front end of the main fixing member (3), the belt conveyor (103) is surrounded by a belt and is electrically connected with the external main switch. 3. The height-adjustable lift-type aircraft maintenance work ladder according to claim 1, wherein the step ladder (2) comprises a through groove (21) and a chute (22), and the through groove (21) is provided in the The inside of the step ladder (2) runs through in the left and right directions, the chute (22) is arranged on the front end surface of the step ladder (2), and the inside of the through groove (21) is slidably clamped to the support plate (203), and the The inner sliding and clamping connection block (2012), the bottom of the step ladder (2) is provided with a sleeve and is movably connected to the rear end of the bottom plate (102) through the shaft, the top of the support plate (203) is fixedly connected to the pedal (201), the support plate The bottom of (203) is fixedly connected to the sliding plate (202), the rear end of the pedal (201) is fixedly provided with a connecting block (2012), and the rear side of the pedal (201) and the top of the sliding plate (202) are fixedly provided with a top tube (2011), The jacking pipe (2011) is internally provided with an electronically controlled telescopic rod and is electrically connected to the belt conveyor (103), and the circuit is designed to raise and lower corresponding to the forward and reverse directions of the belt conveyor (103). 4. The height-adjustable lift-type aircraft maintenance work ladder according to claim 1, wherein the main fixing member (3) comprises a fixing plate (301) and a bracket (302), and the fixing plate (301) is fixed Connected between the two sets of main fixing parts (3), the front end surface of the fixing plate (301) is fixedly connected to the bracket (302), and the rear side of the bracket (302) is movably connected to the belt through the shaft. A transmission plate (304) is arranged between the fixing pieces (3), and the front end surface of the transmission plate (304) is fixedly connected to the connecting plate (305). 5. The height-adjustable lift-type aircraft maintenance work ladder according to claim 1, wherein a connecting rod (402) is fixedly connected to the rear side of the auxiliary fixing member (4), and the end of the connecting rod (402) is fixedly connected with a connecting rod (402). Fix the connection body (1). 6. The height-adjustable lift-type aircraft maintenance work ladder according to claim 1, wherein the rear end surface of the sliding block (504) is fixedly connected to the receiving plate (501), and the sliding block (504) is connected to the auxiliary sliding block (504). The rail (401) is magnetically levitated and connected to the external main switch, the receiving plate (501) is fixedly connected to the front end surface of the connecting piece (5) through a bolt assembly, and the receiving plate (501) is of a cuboid structure and the front end surface is fixed and vertically connected to the bracket ( 502), the bracket (502) is a wedge-shaped structure and the top surface is fixedly connected to the lifting plate (503). 7. The height-adjustable lift-type aircraft maintenance work ladder according to claim 6, wherein the handrail (6) comprises a guardrail (601) and a touch switch (603), and the guardrail (601) is fixed and vertical Connected to the top surface of the armrest member (6), the touch switch (603) is mounted on the top surface of the armrest frame (204) and is electrically connected to the slider (504) and the external main switch respectively.

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