Adjustable rotating inclined ladder and engineering machinery

Abstract

The utility model discloses an adjustable rotating inclined ladder and engineering machinery, comprising an inclined ladder, a flange and a rotating oil cylinder. The flange is fixed to a walking platform through a connecting piece I, the rotating oil cylinder is fixed to the flange through a connecting piece II, and the inclined ladder is fixed to the rotating oil cylinder through a connecting piece III. The rotating oil cylinder can drive the inclined ladder to rotate to different working positions by rotating; the flange can rotate around its center along a circumferential direction at a preset angle, and the rotating oil cylinder can rotate with the flange, thereby realizing that the inclined ladder can be in a vertical state when rotated to the extreme working position, ensuring that workers can get on and off the vehicle smoothly, effectively solving the problem of inconvenience for operators to get on and off the vehicle due to the inclination of the inclined ladder, and eliminating safety hazards.

Description

Technical Field

[0001] The utility model relates to an adjustable rotating inclined ladder and belongs to the technical field of engineering machinery. Background Art

[0002] The rotating cylinder of existing engineering machinery is directly fixed on the walkway, and the installation position relative to the walkway cannot be adjusted. After the inclined ladder is fixed to the rotating cylinder through a connecting piece, it is easy to tilt when it is rotated to the extreme working position, affecting the driver's getting on and off the vehicle and posing a safety hazard. Summary of the invention

[0003] In view of the problems existing in the above-mentioned prior art, the purpose of the utility model is to provide an adjustable rotating inclined ladder, in which a flange is fixed to a walkway through a connecting piece, and a rotating cylinder is fixed to the flange through a connecting piece. The flange can be adjusted to a certain position relative to the walkway, so that when the rotating cylinder drives the inclined ladder to rotate to the extreme working position, it is in a vertical state, ensuring that the staff can pass smoothly when getting on and off the vehicle.

[0004] The utility model is implemented according to the following technical solutions:

[0005] In the first aspect, the utility model provides an adjustable rotating inclined ladder, comprising an inclined ladder, a flange and a rotating cylinder, wherein the flange is fixed to the walkway via a connecting member I, the rotating cylinder is fixed to the flange via a connecting member II, and the inclined ladder is fixed to the rotating cylinder via a connecting member III, and the rotation of the rotating cylinder can drive the inclined ladder to rotate to different working positions; the flange can rotate circumferentially around its center at a preset angle, and the rotating cylinder can rotate along with the flange, thereby achieving the inclined ladder being in a vertical state when rotated to the extreme working position.

[0006] In some embodiments, the flange is provided with a circle of oblong holes evenly distributed along the circumference, the walkway is provided with a plurality of threaded holes corresponding one to one with the oblong holes, and the connecting member I is a plurality of bolts, one bolt corresponding to a group of oblong holes and threaded holes; the plurality of bolts are respectively passed through the corresponding oblong holes and tightened in the threaded holes to fix the flange on the walkway; after loosening the plurality of bolts, the flange can rotate circumferentially around its center.

[0007] In some embodiments, eight oblong holes are evenly distributed along the circumference of the flange.

[0008] In some embodiments, the cylinder body of the rotating oil cylinder is arranged in the cavity of the walkway, the cylinder body is fixedly connected to the flange, and the rotating shaft of the rotating oil cylinder passes through the walkway and the flange and is fixedly connected to the inclined ladder.

[0009] In some embodiments, the flange is provided with a circle of threaded holes evenly distributed along the circumference, the cylinder body is provided with a flange structure at one end close to the side wall of the walkway, the flange structure is provided with a plurality of through holes corresponding one to one with the threaded holes, the connecting member II is a bolt, and one bolt corresponds to a group of through holes and threaded holes; a plurality of bolts are respectively passed through the corresponding through holes and tightened in the threaded holes to fix the rotating cylinder on the flange.

[0010] In some embodiments, a sleeve is fixed at the top of the inclined ladder, the rotating shaft is inserted into the sleeve, and the rotating shaft and the facing circumferential surfaces of the sleeve are connected together by means of keys and grooves, so as to limit the rotation of the sleeve in the radial direction relative to the rotating shaft; the connecting member III is a pressure plate and a bolt, the pressure plate has a central opening, and a threaded hole is provided on the axial surface of the rotating shaft. The pressure plate is covered on the front end axial surface of the sleeve, and the pressure plate and the rotating shaft are fixed together by bolts.

[0011] In some embodiments, the steps in the inclined ladder are provided with a plurality of anti-slip protrusions arranged in a predetermined arrangement.

[0012] In a second aspect, the utility model provides an engineering machine, comprising a walkway, on which the above-mentioned adjustable rotating inclined ladder is installed.

[0013] Beneficial effects of the utility model:

[0014] The utility model solves the problem that when the rotating inclined ladder is installed on the walking platform, the rotating oil cylinder can be adjusted to a certain position, thereby ensuring that the inclined ladder can maintain a vertical state at the extreme working position, effectively solving the problem of inconvenience for operators to get on and off the vehicle due to the inclination of the inclined ladder, and eliminating safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0016] In the attached picture:

[0017] Figure 1 This is a three-dimensional diagram of the application of the adjustable rotating inclined ladder of the utility model;

[0018] Figure 2 It is a partial side view of the adjustable rotating inclined ladder of the utility model;

[0019] Figure 3 This is a schematic diagram of the flange of the utility model being installed on a walkway;

[0020] Figure 4 This is a front view of the adjustable rotating inclined ladder of the utility model;

[0021] Figure 5 The utility model is an adjustable rotating inclined ladder. Figure 1 ;

[0022] Figure 6 The utility model is an adjustable rotating inclined ladder. Figure 2 .

[0023] Illustration symbols: 1. Walkway; 2. Flange; 201. Oblong hole; 202. Threaded hole; 3. Inclined ladder; 4. Connector I; 5. Rotating cylinder; 6. Connector III; 7. Connector II; 8. Sleeve.

[0024] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, an adjustable rotating inclined ladder comprises an inclined ladder 3, a flange 2 and a rotating cylinder 5. The flange 2 is fixed to the walkway 1 through a connecting piece Ⅰ4, the rotating cylinder 5 is fixed to the flange 2 through a connecting piece Ⅱ7, and the inclined ladder 3 is fixed to the rotating cylinder 5 through a connecting piece Ⅲ6. The rotation of the rotating cylinder 5 can drive the inclined ladder 3 to rotate to different working positions; the flange 2 can rotate around its center along the circumferential direction at a preset angle, and the rotating cylinder 5 can rotate with the flange 2, thereby realizing that the inclined ladder 3 can be in a vertical state when it is rotated to the extreme working position, ensuring that the staff can pass smoothly when getting on and off the vehicle.

[0029] Further solutions, such as Figure 3 , Figure 5 , Figure 6 As shown, the flange 2 is provided with a circle of oblong holes 201 evenly distributed along the circumferential direction, the walkway 1 is provided with a plurality of threaded holes corresponding to the oblong holes 201 one by one, the connecting member Ⅰ4 is a plurality of bolts, and one bolt corresponds to a group of oblong holes 201 and threaded holes; the plurality of bolts are respectively passed through the corresponding oblong holes 201 and then tightened in the threaded holes to fix the flange 2 on the walkway 1; after loosening the plurality of bolts, the flange 2 can rotate around its center along the circumferential direction.

[0030] As a preferred solution, the embodiment provides eight oblong holes 201 evenly distributed along the circumference of the flange 2 .

[0031] It should be noted that the flange is not limited to eight oblong holes, and corresponding changes can be made according to actual design requirements.

[0032] Further solutions, such as Figure 5 , Figure 6 As shown, the cylinder body of the rotating cylinder 5 is arranged in the cavity of the walkway 1, the cylinder body is fixedly connected to the flange 2, and the rotating shaft of the rotating cylinder 5 passes through the walkway 1 and the flange 2 and is fixedly connected to the inclined ladder 3.

[0033] Further solutions, such as Figure 3 , Figure 5 , Figure 6 As shown, the flange 2 is provided with a circle of threaded holes 202 evenly distributed along the circumferential direction, and a flange structure is provided at one end of the cylinder body close to the side wall of the walkway 1. The flange structure is provided with a plurality of through holes corresponding to the threaded holes 202 one by one. The connecting piece Ⅱ 7 is a bolt, and one bolt corresponds to a group of through holes and threaded holes; a plurality of bolts are respectively passed through the corresponding through holes and then tightened in the threaded holes to fix the rotating cylinder 5 on the flange 2.

[0034] Further solutions, such as Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6As shown, a sleeve 8 is fixed at the top of the inclined ladder 3, and the rotating shaft is inserted in the sleeve 8. The rotating shaft and the circumferential surfaces of the sleeve 8 facing each other are connected together by means of keys and grooves, which are used to limit the rotation of the sleeve 8 in the radial direction relative to the rotating shaft, that is, the inclined ladder 3 can rotate with the rotating shaft; the connecting piece III6 is a pressure plate and a bolt, the center opening of the pressure plate, and the axial surface of the rotating shaft is provided with a threaded hole, the pressure plate cover is on the front end axial surface of the sleeve 8, and the pressure plate and the rotating shaft are fixed together by bolts.

[0035] In a further solution, the steps in the inclined ladder 3 are provided with a plurality of anti-slip protrusions arranged in a predetermined arrangement.

[0036] In summary, the utility model provides an adjustable rotating inclined ladder, flange 2 is fixed to the platform 1 through connector Ⅰ4, rotating cylinder 5 is fixed to flange 2 through connector Ⅱ7, inclined ladder 3 is fixed to rotating cylinder 5 through connector Ⅲ6, flange 2 can be adjusted to a certain position relative to the platform 1, so it can be ensured that when rotating cylinder 5 drives inclined ladder 3 to rotate to the extreme working position, it is in a vertical state, ensuring smooth passage for workers to get on and off the vehicle. The utility model solves the problem that when the rotating inclined ladder is installed on the platform, the rotating cylinder can be adjusted to a certain position, thereby ensuring that the inclined ladder can maintain a vertical state at the extreme working position, effectively solving the problem of inconvenience for operators to get on and off the vehicle due to the inclination of the inclined ladder, and eliminating safety hazards.

[0037] The utility model also provides an engineering machine, comprising a walking platform, on which the above-mentioned adjustable rotating inclined ladder is installed.

[0038] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0039] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0040] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. An adjustable rotating inclined ladder, comprising an inclined ladder, a flange and a rotating cylinder, wherein the flange is fixed to the walkway through a connecting member I, the rotating cylinder is fixed to the flange through a connecting member II, and the inclined ladder is fixed to the rotating cylinder through a connecting member III, and the rotating cylinder can drive the inclined ladder to rotate to different working positions; characterized in that: The flange can rotate around its center in the circumferential direction at a preset angle, and the rotating cylinder can rotate along with the flange, thereby achieving that the inclined ladder can be in a vertical state when it is rotated to the extreme working position.

2. The adjustable rotating inclined ladder according to claim 1, characterized in that: The flange is provided with a circle of oblong holes evenly distributed along the circumference, the platform is provided with a plurality of threaded holes corresponding to the oblong holes one by one, the connecting member I is a plurality of bolts, and one bolt corresponds to a group of oblong holes and threaded holes; A plurality of bolts are respectively passed through the corresponding oblong holes and then tightened in the threaded holes to fix the flange on the walkway; after the plurality of bolts are loosened, the flange can rotate circumferentially around its center.

3. The adjustable rotating inclined ladder according to claim 2, characterized in that: The flange has eight oblong holes evenly distributed along the circumference.

4. The adjustable rotating inclined ladder according to claim 1, characterized in that: The cylinder body of the rotating oil cylinder is arranged in the cavity of the walkway, the cylinder body is fixedly connected to the flange, and the rotating shaft of the rotating oil cylinder passes through the walkway and the flange and is fixedly connected to the inclined ladder.

5. The adjustable rotating inclined ladder according to claim 4, characterized in that: The flange is provided with a circle of threaded holes evenly distributed along the circumference, the cylinder body is provided with a flange structure at one end close to the side wall of the walkway, the flange structure is provided with a plurality of through holes corresponding to the threaded holes one by one, the connecting member II is a bolt, and one bolt corresponds to a group of through holes and threaded holes; the plurality of bolts are respectively passed through the corresponding through holes and tightened in the threaded holes to fix the rotating cylinder on the flange.

6. The adjustable rotating inclined ladder according to claim 4, characterized in that: A sleeve is fixed at the top of the inclined ladder, the rotating shaft is inserted into the sleeve, and the rotating shaft and the facing peripheral surfaces of the sleeve are connected together by means of a key and a groove, so as to limit the sleeve from rotating in a radial direction relative to the rotating shaft; The connecting member III is a pressure plate and bolts. The pressure plate has a central opening, and a threaded hole is provided on the axial surface of the rotating shaft. The pressure plate is covered on the front axial surface of the sleeve, and the pressure plate and the rotating shaft are fixed together by bolts.

7. The adjustable rotating inclined ladder according to claim 1, characterized in that: The steps in the inclined ladder are provided with a plurality of anti-skid protrusions arranged in a predetermined arrangement.

8. An engineering machine, comprising a platform, characterized in that: The walkway is equipped with an adjustable rotating inclined ladder as described in any one of claims 1 to 7.

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