Maintenance auxiliary device

Abstract

The utility model provides a maintenance auxiliary device which comprises a base, a vertical supporting part, a horizontal supporting part, a rotating part and a plurality of storage parts, the base is fixedly arranged or movably arranged, the lower end of the vertical supporting part is connected with the base, the upper end of the vertical supporting part is connected with the horizontal supporting part, the height of the vertical supporting part is adjustable, and the rotating part is connected with the horizontal supporting part. One end of the horizontal supporting part is connected with the rotating part, the length of the horizontal supporting part is adjustable, the storage parts are installed below the rotating part, the rotating part can drive the storage parts to rotate, each storage part is provided with a plurality of storage cavities, the storage cavities are used for containing maintenance tools and accessories, and openings of the storage cavities face upwards. According to the scheme, various maintenance tools and various accessories can be placed in different storage cavities in a classified mode, the position of the storage part can be adjusted by operating the vertical supporting part, the horizontal supporting part and the rotating part, and therefore the storage part is moved to the position where personnel can take the tools and the accessories conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment maintenance, and more particularly to a maintenance auxiliary device. Background Art

[0002] There are many large-scale devices in mine production, such as front shovel excavators. The devices are relatively tall and in an open environment. When large-scale devices face fault maintenance, there are the following disadvantages: 1. Affected by the limited operation space, maintenance personnel cannot conveniently obtain the required maintenance tools, which affects the maintenance efficiency; 2. The maintenance tools and accessories are miscellaneous, and there is no convenient storage space, resulting in the inability to classify and store the tools and accessories during maintenance; 3. It is impossible to transfer or adjust the position of the maintenance tools according to the actual height and other conditions on site, making it inconvenient for personnel to obtain tools. Summary of the Utility Model

[0003] The utility model provides a maintenance auxiliary device to solve the problem that maintenance tools and accessories are not convenient to place and obtain during the maintenance of large-scale devices.

[0004] To solve the above problems, the utility model provides a maintenance auxiliary device, which includes a base, a vertical support part, a horizontal support part, a rotating part and a plurality of storage parts. The base is fixedly arranged or movably arranged. The lower end of the vertical support part is connected to the base, and the upper end of the vertical support part is connected to the horizontal support part. The height of the vertical support part is adjustable. One end of the horizontal support part is connected to the rotating part, and the length of the horizontal support part is adjustable. A plurality of the storage parts are installed below the rotating part. The rotating part can drive the plurality of storage parts to rotate. The storage part has a plurality of storage cavities, and the storage cavities are used for placing maintenance tools and accessories, and the openings of the storage cavities face upward.

[0005] Further, the storage part includes a storage box and a positioning rod. The upper end of the positioning rod is connected to the rotating part, and the lower end of the positioning rod is connected to the storage box. The storage box has a plurality of the storage cavities.

[0006] Further, both the positioning rod and the storage box are circular, and the positioning rod and the storage box are coaxially arranged. The storage part further includes a plurality of limiting plates, and the plurality of limiting plates are distributed along the circumferential direction of the positioning rod. The area between two adjacent limiting plates forms one of the storage cavities.

[0007] Further, the storage part further includes a plurality of rotating sleeves, and the plurality of rotating sleeves are rotatably sleeved on the positioning rod and are arranged at intervals along the axial direction of the positioning rod. Each limiting plate is respectively connected to one of the rotating sleeves, so that the position of the limiting plate in the circumferential direction of the storage box is adjustable.

[0008] Further, the multiple limiting plates include a first limiting plate, a second limiting plate, and a third limiting plate, and the multiple rotating sleeves include a first rotating sleeve, a second rotating sleeve, and a third rotating sleeve; wherein, one end of the first limiting plate is connected to the first rotating sleeve, one end of the second limiting plate is connected to the second rotating sleeve, and one end of the third limiting plate is connected to the third rotating sleeve.

[0009] Further, the inner surface of the storage box and the outer surface of the limiting plate are electroplated with wear-resistant metal chromium layers.

[0010] Further, the rotating part includes a driving motor and a rotating disk. The driving motor is installed on the horizontal supporting part, the rotating shaft of the driving motor is arranged vertically downward, the rotating shaft is connected to the rotating disk through a coupling, the rotating disk is arranged horizontally, and the multiple storage parts are installed below the rotating disk.

[0011] Further, the vertical supporting part includes a first sleeve, a first rod, and a first tightening knob. The lower end of the first sleeve is fixedly connected to the base, the first rod is movably inserted into the first sleeve, the upper end of the first rod is connected to the horizontal supporting part, the length of the first rod extending out of the first sleeve is adjustable, and the first tightening knob is used to fix the relative positions of the first rod and the first sleeve.

[0012] Further, the horizontal supporting part includes a second sleeve, a second rod, and a second tightening knob. The second sleeve is arranged horizontally, the second sleeve is fixedly connected to the upper end of the vertical supporting part, the second rod is movably inserted into the second sleeve, one end of the second rod is connected to the rotating part, the length of the second rod extending out of the second sleeve is adjustable, and the second tightening knob is used to fix the relative positions of the second rod and the second sleeve.

[0013] Further, a plurality of fixing holes are distributed on the base, and the fixing holes are used for inserting fasteners to fix the base to the ground.

[0014] Applying the technical solution of the present utility model, a maintenance assistance device is provided, which includes a base, a vertical support portion, a horizontal support portion, a rotating portion, and a plurality of storage portions. The base is fixedly arranged or movably arranged. The lower end of the vertical support portion is connected to the base, and the upper end of the vertical support portion is connected to the horizontal support portion. The height of the vertical support portion is adjustable. One end of the horizontal support portion is connected to the rotating portion, and the length of the horizontal support portion is adjustable. The plurality of storage portions are installed below the rotating portion, and the rotating portion can drive the plurality of storage portions to rotate. Each storage portion has a plurality of storage cavities, and the storage cavities are used for placing maintenance tools and accessories, and the openings of the storage cavities face upward. In this solution, the maintenance assistance device is placed close to large equipment. A plurality of storage portions are provided in the maintenance assistance device, and each storage portion has a plurality of storage cavities. In this way, various maintenance tools and various accessories can be classified and placed in different storage cavities. Moreover, by operating the vertical support portion, the horizontal support portion, and the rotating portion, the position of the storage portion can be adjusted, so as to move the storage portion to a position convenient for personnel to take. Therefore, through this solution, the problem that maintenance tools and accessories are not convenient to place and take during the maintenance of large equipment is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0016] Figure 1 The structural schematic diagram of the maintenance assistance device provided by the embodiment of the present utility model is shown;

[0017] Figure 2 shows Figure 1 the schematic diagram of the storage portion in

[0018] Figure 3 shows Figure 2 the top view of the storage portion in

[0019] Figure 4 shows Figure 1 the bottom view of the rotating disk and the positioning rod in

[0020] Among them, the above-mentioned accompanying drawings include the following reference numerals:

[0021] 1. Base;

[0022] 2. Fixed hole;

[0023] 3. First sleeve;

[0024] 4. First tightening knob;

[0025] 5. First rod sleeve;

[0026] 6. Second sleeve;

[0027] 7. Second tightening knob;

[0028] 8. Second rod sleeve;

[0029] 9. Driving motor;

[0030] 10. Positioning rod;

[0031] 11. Rotating disk;

[0032] 12. First limiting plate;

[0033] 13. First rotating sleeve;

[0034] 14. Second rotating sleeve;

[0035] 15. Third rotating sleeve;

[0036] 16. Second limiting plate;

[0037] 17. Storage box;

[0038] 18. Third limiting plate. Detailed implementation manners

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually illustrative only and in no way serves as a limitation to the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0040] As Figures 1 to 4 shown, the embodiment of the present invention provides a maintenance auxiliary device, including a base 1, a vertical support portion, a horizontal support portion, a rotating portion, and a plurality of storage portions. The base 1 is fixedly arranged or movably arranged. The lower end of the vertical support portion is connected to the base 1, and the upper end of the vertical support portion is connected to the horizontal support portion. The height of the vertical support portion is adjustable. One end of the horizontal support portion is connected to the rotating portion, and the length of the horizontal support portion is adjustable. A plurality of storage portions are installed below the rotating portion. The rotating portion can drive the plurality of storage portions to rotate. The storage portion has a plurality of storage cavities for placing maintenance tools and accessories, and the openings of the storage cavities face upward.

[0041] In this solution, the maintenance assistance device is placed close to the large equipment. Multiple storage parts are provided in the maintenance assistance device, and each storage part has multiple storage cavities. In this way, various maintenance tools and various accessories can be classified and placed in different storage cavities. Moreover, by operating the vertical support part, the horizontal support part, and the rotating part, the position of the storage part can be adjusted, so as to move the storage part to a position convenient for personnel to access. Therefore, through this solution, the problem that maintenance tools and accessories are not convenient to place and access during the maintenance of large equipment is solved.

[0042] In this solution, the storage part includes a storage box 17 and a positioning rod 10. The upper end of the positioning rod 10 is connected to the rotating part, the lower end of the positioning rod 10 is connected to the storage box 17, and the storage box 17 has multiple storage cavities.

[0043] As Figure 2 and Figure 3 shown, both the positioning rod 10 and the storage box 17 are circular, the positioning rod 10 and the storage box 17 are coaxially arranged, and the storage part further includes multiple limiting plates. The multiple limiting plates are distributed along the circumferential direction of the positioning rod 10, and the area between two adjacent limiting plates forms a storage cavity.

[0044] Through the above settings, the size of the storage cavity can be adjusted as needed, so as to conveniently place tools or accessories.

[0045] Furthermore, the storage part further includes multiple rotating sleeves. The multiple rotating sleeves are rotatably sleeved on the positioning rod 10, and the multiple rotating sleeves are arranged at intervals along the axial direction of the positioning rod 10. Each limiting plate is respectively connected to a rotating sleeve, so that the position of the limiting plate in the circumferential direction of the storage box 17 can be adjusted. Through the above settings, the limiting plate can rotate around the positioning rod 10, which is convenient for adjusting the position of the limiting plate.

[0046] Specifically, the multiple limiting plates include a first limiting plate 12, a second limiting plate 16, and a third limiting plate 18, and the multiple rotating sleeves include a first rotating sleeve 13, a second rotating sleeve 14, and a third rotating sleeve 15; wherein, one end of the first limiting plate 12 is connected to the first rotating sleeve 13, one end of the second limiting plate 16 is connected to the second rotating sleeve 14, and one end of the third limiting plate 18 is connected to the third rotating sleeve 15. In this way, three storage cavities are formed in each storage box 17.

[0047] In this solution, the inner surface of the storage box 17 and the outer surface of the limiting plate are electroplated with a wear-resistant metal chromium layer. This can improve the wear resistance and extend the service life.

[0048] Among them, the rotating part includes a driving motor 9 and a rotating disk 11. The driving motor 9 is installed on the horizontal support part. The rotating shaft of the driving motor 9 is arranged vertically downward. The rotating shaft is connected to the rotating disk 11 through a coupling. The rotating disk 11 is arranged horizontally, and multiple storage parts are installed below the rotating disk 11. The driving motor 9 drives the rotating disk 11 to rotate, and the rotating disk 11 drives the storage box 17 to rotate.

[0049] In this solution, for the lifting of the vertical support part and the telescoping of the horizontal support part, an electric drive structure or a hydraulic drive structure or a manual drive structure can be adopted.

[0050] As Figure 1 shown, in a specific embodiment, the vertical support part includes a first sleeve 3, a first rod 5 and a first tightening knob 4. The lower end of the first sleeve 3 is fixedly connected to the base 1. The first rod 5 is movably inserted into the first sleeve 3. The upper end of the first rod 5 is connected to the horizontal support part. The length of the first rod 5 extending out of the first sleeve 3 is adjustable. The first tightening knob 4 is used to fix the relative position of the first rod 5 and the first sleeve 3.

[0051] Specifically, the horizontal support part includes a second sleeve 6, a second rod 8 and a second tightening knob 7. The second sleeve 6 is arranged horizontally. The second sleeve 6 is fixedly connected to the upper end of the vertical support part. The second rod 8 is movably inserted into the second sleeve 6. One end of the second rod 8 is connected to the rotating part. The length of the second rod 8 extending out of the second sleeve 6 is adjustable. The second tightening knob 7 is used to fix the relative position of the second rod 8 and the second sleeve 6.

[0052] In this way, the adjustment of the vertical support part and the horizontal support part can be realized with a simple structure, so as to adjust the position of the storage part.

[0053] Among them, a plurality of fixing holes 2 are distributed on the base 1. The fixing holes 2 are used to penetrate fasteners to fix the base 1 to the ground, avoiding the device from tipping over.

[0054] This solution provides a maintenance auxiliary device, which can be applied to the maintenance operations of front shovel excavators or mining machinery. It can make up for the discomfort of various workstations in on-site limited-condition operations, has strong portability, is easy to assemble and use, and the coordination of various types of socket tools is conducive to the progress of maintenance operations, and can effectively reduce the labor intensity of maintenance personnel.

[0055] The maintenance assistance device includes a base 1. At the top of the base 1, a first sleeve 3 is installed through bolts and a mounting bracket. The top of the first sleeve 3 is sleeved with a first rod sleeve 5. At the top of the first rod sleeve 5, a second sleeve 6 is installed through bolts. On one side of the second sleeve 6, a second rod sleeve 8 is sleeved. On one side of the second rod sleeve 8, a driving motor 9 is installed through a mounting bracket and bolts. The power output end at the bottom of the driving motor 9 is connected to a rotating disc 11 through a coupling. Around the bottom periphery of the rotating disc 11, positioning rods 10 are installed through bolts. At the bottom of the positioning rods 10, storage boxes 17 are installed through bolts. At the bottom periphery of the positioning rods 10, a first rotating sleeve 13, a second rotating sleeve 14, and a third rotating sleeve 15 are sequentially sleeved. On one side of the first rotating sleeve 13, a first limiting plate 12 is installed through screws. On one side of the second rotating sleeve 14, a second limiting plate 16 is installed through screws. On one side of the third rotating sleeve 15, a third limiting plate 18 is installed through screws. The third limiting plate 18, the first limiting plate 12, and the second limiting plate 16 are all located inside the storage box 17.

[0056] Among them, a first tightening knob 4 is installed on the top surface of one side of the first sleeve 3 through a reserved threaded hole. In this embodiment, as Figure 1 shown, a person can tighten the first tightening knob 4 to fix the extended length of the first rod sleeve 5.

[0057] Among them, a second tightening knob 7 is installed on the surface of one end of the second sleeve 6 through a reserved threaded hole. In this embodiment, as Figure 1 shown, a person can tighten the second tightening knob 7 to fix the extended length of the second rod sleeve 8.

[0058] Among them, fixing holes 2 are provided on both sides of the top of the base 1. In this embodiment, as Figure 1 shown, a person can fix this device at a designated position through the fixing holes 2.

[0059] Among them, both the storage box 17 and the positioning rods 10 are specifically provided with multiple groups. The inner surface of the storage box 17 is electroplated with a wear-resistant metal chromium layer, and the wear-resistant metal chromium layer can extend the service life of the storage box 17.

[0060] During operation, the operator fixes the device at the designated position through the fixing hole 2. Subsequently, the operator connects the external wiring of the driving motor 9 to an external power supply mechanism. Next, the first limiting plate 12, the second limiting plate 16, and the third limiting plate 18 can divide the interior of the storage box 17 into three independent spaces. At this time, the operator can classify and place the maintenance tools in the corresponding spaces. Moreover, under the action of the first rotating sleeve 13, the second rotating sleeve 14, and the third rotating sleeve 15, the operator can rotate the first limiting plate 12, the second limiting plate 16, and the third limiting plate 18 respectively, thereby changing the size of each space, and further enabling each space to just accommodate the corresponding type of maintenance tool, improving the space utilization rate inside the storage box 17. Next, the operator can change the extended length of the first sleeve rod 5 according to the height and on-site conditions, thereby changing the height of mechanisms such as the second sleeve 6 and the driving motor 9, and indirectly making the height of the storage box 17 meet the requirements of the operator. Subsequently, the operator can change the extended length of the second sleeve rod 8, thereby changing the horizontal position of mechanisms such as the driving motor 9 and the rotating disc 11, and further making the horizontal position of the storage box 17 meet the needs of the operator. The cooperation of the two can effectively improve the convenience of the operator when taking maintenance tools. Next, during maintenance, the operator can turn on the driving motor 9, and its output end can drive the rotating disc 11 to rotate, thereby indirectly making the storage box 17 rotate through the positioning rod 10. At this time, when the storage box 17 where the maintenance tool required by the operator is placed rotates to the front of the operator, the operator can turn off the driving motor 9 to stop the storage box 17 from rotating, so that the operator can more conveniently take the corresponding maintenance tool inside the storage box 17, thereby improving the maintenance efficiency.

[0061] This device mainly serves equipment such as front shovel excavators during fault repair operations, assisting manual maintenance operations. The telescopic and lift-adjustable sleeve rods adopted in the solution greatly adapt to the difficulty of the narrow on-site operation space. The setting of the rotary drive motor makes it simple to access the sleeve tools. The designed storage box can not only facilitate the operation but also ensure the safe and reliable recycling of accessories. It has a reasonable structure and is convenient to use, suitable for wide application.

[0062] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

[0063] It should be noted that the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0064] Unless otherwise specifically stated, the relative arrangements of the components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the specification. In all the examples shown and discussed herein, any specific values should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, further discussion thereof is not required in subsequent drawings.

[0065] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal", and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus cannot be construed as limiting the protection scope of the present invention; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0066] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper" etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures of the device. For example, if the device in the figures is inverted, a device described as "above" or "over" other devices or structures will then be positioned "below" or "under" the other devices or structures. Thus, the exemplary term "above" can include both orientations of "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the corresponding explanations for the spatial relative descriptions used herein will be made accordingly.

[0067] In addition, it should be noted that the use of terms such as "first", "second" etc. to define components is only for the convenience of differentiating the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of the present utility model.

Claims

1. A maintenance auxiliary device, characterized in that: The utility model comprises a base (1), a vertical support part, a horizontal support part, a rotating part and a plurality of storage parts, wherein the base (1) is fixedly arranged or movably arranged, the lower end of the vertical support part is connected to the base (1), the upper end of the vertical support part is connected to the horizontal support part, the height of the vertical support part is adjustable, one end of the horizontal support part is connected to the rotating part, the length of the horizontal support part is adjustable, a plurality of storage parts are installed below the rotating part, the rotating part can drive the plurality of storage parts to rotate, the storage part has a plurality of storage cavities, the storage cavities are used to place maintenance tools and accessories, and the openings of the storage cavities face upwards.

2. The maintenance assisting device according to claim 1, characterized in that: The storage portion comprises a storage box (17) and a positioning rod (10), the upper end of the positioning rod (10) is connected to the rotating portion, the lower end of the positioning rod (10) is connected to the storage box (17), and the storage box (17) has a plurality of storage cavities therein.

3. The maintenance assisting device according to claim 2, characterized in that: The positioning rod (10) and the storage box (17) are both circular, and the positioning rod (10) and the storage box (17) are coaxially arranged. The storage portion also includes a plurality of limit plates, and the plurality of limit plates are distributed along the circumference of the positioning rod (10), and the area between two adjacent limit plates forms a storage cavity.

4. The maintenance assisting device according to claim 3, characterized in that: The storage portion further comprises a plurality of rotating sleeves, which are rotatably mounted on the positioning rod (10) and are spaced apart along the axial direction of the positioning rod (10). Each of the limiting plates is respectively connected to one of the rotating sleeves, so that the circumferential position of the limiting plate in the storage box (17) is adjustable.

5. The maintenance assisting device according to claim 4, characterized in that: The plurality of limit plates include a first limit plate (12), a second limit plate (16) and a third limit plate (18); the plurality of rotating sleeves include a first rotating sleeve (13), a second rotating sleeve (14) and a third rotating sleeve (15); wherein one end of the first limit plate (12) is connected to the first rotating sleeve (13), one end of the second limit plate (16) is connected to the second rotating sleeve (14), and one end of the third limit plate (18) is connected to the third rotating sleeve (15).

6. The maintenance assisting device according to claim 3, characterized in that: The inner surface of the storage box (17) and the outer surface of the limiting plate are electroplated with a wear-resistant metal chromium layer.

7. The maintenance assisting device according to claim 1, characterized in that: The rotating part comprises a driving motor (9) and a rotating disk (11); the driving motor (9) is mounted on the horizontal supporting part; the rotating shaft of the driving motor (9) is arranged vertically downward; the rotating shaft is connected to the rotating disk (11) via a coupling; the rotating disk (11) is arranged horizontally; and a plurality of storage parts are mounted below the rotating disk (11).

8. The maintenance assisting device according to claim 1, characterized in that: The vertical support portion comprises a first sleeve (3), a first sleeve rod (5) and a first tightening knob (4); the lower end of the first sleeve (3) is fixedly connected to the base (1); the first sleeve rod (5) can be movably inserted into the first sleeve (3); the upper end of the first sleeve rod (5) is connected to the horizontal support portion; the length of the first sleeve rod (5) extending out of the first sleeve (3) is adjustable; and the first tightening knob (4) is used to fix the relative position of the first sleeve rod (5) and the first sleeve (3).

9. The maintenance assisting device according to claim 1, characterized in that: The horizontal support portion comprises a second sleeve (6), a second sleeve rod (8) and a second tightening knob (7); the second sleeve (6) is arranged horizontally; the second sleeve (6) is fixedly connected to the upper end of the vertical support portion; the second sleeve rod (8) is movably inserted into the second sleeve (6); one end of the second sleeve rod (8) is connected to the rotating portion; the length of the second sleeve rod (8) extending out of the second sleeve (6) is adjustable; and the second tightening knob (7) is used to fix the relative position of the second sleeve rod (8) and the second sleeve (6).

10. The maintenance assisting device according to claim 1, characterized in that: A plurality of fixing holes (2) are distributed on the base (1), and the fixing holes (2) are used to insert fasteners to fix the base (1) to the ground.

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