Portable maintenance device

Abstract

The invention discloses a portable maintenance device which comprises a platform body, a plurality of crawling ladder assemblies and a movable base, the crawling ladder assemblies are detachably connected with the platform body, each crawling ladder assembly comprises two supporting rods and a plurality of pedals, the supporting rods are arranged in the vertical direction, the pedals are arranged between the two supporting rods, and the movable base is arranged on the platform body. The crawling ladder assemblies have a first mode and a second mode, in the first mode, included angles are formed between the pedals and the supporting rods, in the second mode, the pedals and the supporting rods are arranged in parallel, and the multiple movable bases correspond to the multiple crawling ladder assemblies one to one and are connected. According to the portable maintenance device, the ladder stand assembly and the platform body are of a detachable structure, during maintenance work, the ladder stand assembly and the platform body only need to be assembled, high-altitude construction work can be carried out, and time and labor are saved. In addition, the ladder stand assembly is of a pedal structure, and the comfort and safety of climbing of the operating personnel are improved.

Description

Technical Field

[0001] The invention relates to the technical field of inspection and maintenance, and in particular to a portable maintenance device. Background Art

[0002] At industrial production sites, working at heights is a common task, such as pipeline welding, insulation removal, pipeline weld metal inspection, etc. Traditional maintenance methods often require the erection of scaffolding at the maintenance site. However, the erection and removal of scaffolding is complicated, requiring a lot of manpower and material resources, and also increases the difficulty of the operation. During the maintenance process, frequent erection and removal of scaffolding seriously affects the work efficiency and increases production costs. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, an embodiment of the present invention provides a portable maintenance device to solve the problem of low maintenance work efficiency.

[0005] The portable maintenance device of the embodiment of the present invention comprises:

[0006] A platform body, the platform body comprising a plurality of telescopic plates connected in sequence, the plurality of telescopic plates being spaced apart and distributed in a horizontal direction;

[0007] A plurality of ladder assemblies, wherein the ladder assemblies are detachably connected to the platform body, and the plurality of ladder assemblies are spaced around the platform body, wherein the ladder assemblies include two support rods and a plurality of pedals, wherein the support rods are arranged in a vertical direction, and the pedals are arranged between the two support rods, and the plurality of pedals are spaced in a vertical direction, wherein the ladder assemblies have a first mode and a second mode, wherein in the first mode, the pedals have an angle with the support rods, and in the second mode, the pedals are arranged in parallel with the support rods;

[0008] A plurality of movable bases are provided, and the plurality of movable bases correspond to and are connected with the plurality of ladder assemblies one by one.

[0009] The portable maintenance device of the embodiment of the present invention has a detachable structure between the ladder assembly and the platform body. During maintenance work, only the two need to be assembled to carry out high-altitude construction work, saving time and effort. In addition, the ladder assembly adopts a pedal structure to improve the comfort and safety of the operator's climbing.

[0010] In some embodiments, the pedal is rotatably connected to the support rod via a rotating shaft, a driven gear is mounted on the rotating shaft of the pedal, and the ladder assembly further includes a rotating shaft and a chain, the rotating shaft is rotatably connected to the support rod, a driving gear is mounted on the rotating shaft, and the chain is cooperatively connected to the driving gear and a plurality of driven gears so that the rotating shaft rotates and synchronously drives the plurality of pedals to rotate through the driving gear, the chain and the driven gear.

[0011] In some embodiments, a positioning pin is provided between the pedal and the support rod, so that the positioning pin limits the rotation of the pedal.

[0012] In some embodiments, an adjustment socket is provided at the end of the rotating shaft, and the cross-sectional shape of the adjustment socket is hexagonal.

[0013] In some embodiments, the platform body also includes a screw rod and multiple transmission blocks, the transmission blocks are mounted on the screw rod, and the multiple transmission blocks correspond to and are connected to the multiple telescopic plates one by one, so that the screw rod rotates and drives the transmission blocks to move on the screw rod, and the transmission blocks drive the corresponding telescopic plates to telescope.

[0014] In some embodiments, a handle is provided at the end of the screw.

[0015] In some embodiments, a connecting block is provided at the upper end of the support rod, and the connecting block is connected to the transmission block by bolts.

[0016] In some embodiments, the mobile base includes a support base and a plurality of universal wheels, the support base is connected to the lower end of the support rod, and the plurality of universal wheels are arranged at intervals in the horizontal direction at the lower portion of the support base.

[0017] In some embodiments, the mobile base further includes a support member, wherein the support member is connected to the support seat, and the support member is used to adjust the height of the support seat so that the universal wheel is located on the ground or off the ground.

[0018] In some embodiments, the support member includes a support column, the support column is provided with a thread, the support seat is provided with a screw hole so that the support column and the support seat are threadedly matched, and the support column is provided with a nut, and the nut is in contact with the support seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of a portable maintenance device according to an embodiment of the present invention.

[0020] Figure 2 Schematic diagram of the platform body of the portable maintenance device according to an embodiment of the present invention.

[0021] Figure 3 Schematic diagram of a ladder assembly and a mobile base of a portable maintenance device according to an embodiment of the present invention.

[0022] Reference numerals:

[0023] 1- platform body, 11- telescopic plate, 12- screw rod, 13- transmission block, 14- handle,

[0024] 2-ladder assembly, 21-support rod, 22-pedal, 23-driven gear, 24-rotating shaft, 25-chain, 26-locating pin, 27-connecting block,

[0025] 3-mobile base, 31-support base, 32-universal wheel, 33-support column, 34-nut. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0027] The portable maintenance device according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

[0028] like Figures 1 to 3 As shown, the portable maintenance device according to the embodiment of the present invention comprises: a platform body 1 , a plurality of ladder assemblies 2 and a plurality of mobile bases 3 .

[0029] The platform body 1 includes a plurality of telescopic plates 11 connected in sequence, and the plurality of telescopic plates 11 are spaced apart in the horizontal direction, so that the width of the platform body 1 is adjustable, and can adapt to different working environments and different sizes of operation requirements, thereby increasing the flexibility of use. Moreover, if necessary, the number of telescopic plates 11 can be increased or decreased according to demand, so as to adjust the size of the platform to adapt to different usage scenarios. When not in use, the telescopic plates 11 can be retracted to reduce the width of the platform, thereby saving storage space and facilitating transportation and storage.

[0030] The ladder assembly 2 is detachably connected to the platform body 1, and a plurality of ladder assemblies 2 are spaced around the platform body 1 to stably support the platform body 1. The ladder assembly 2 includes two support rods 21 and a plurality of pedals 22, the support rods 21 are arranged in parallel along the vertical direction, the pedals 22 are arranged between the two support rods 21, and the plurality of pedals 22 are spaced along the vertical direction.

[0031] Therefore, in the portable maintenance device of the embodiment of the present invention, the ladder assembly 2 and the platform body 1 are detachable structures. During maintenance work, only the two need to be assembled to perform high-altitude construction work, saving time and effort. In addition, the ladder assembly 2 adopts a pedal 22 structure to improve the comfort and safety of the operator's climbing.

[0032] The ladder assembly 2 has a first mode and a second mode. In the first mode, an angle is formed between the pedal 22 and the support rod 21 . In the second mode, the pedal 22 and the support rod 21 are arranged in parallel.

[0033] For example, Figure 1 As shown, when performing maintenance work, the ladder assembly 2 and the platform body 1 are assembled together, and the pedal 22 is opened so that the pedal 22 and the support rod 21 are arranged vertically. Figure 2 and Figure 3 As shown, after the maintenance work is completed, the ladder assembly 2 and the platform body 1 are disassembled, the telescopic plate 11 of the platform body 1 is retracted to the minimum, and the pedal 22 is arranged parallel to the support rod 21, thereby reducing the storage space of the two.

[0034] The multiple mobile bases 3 correspond to and are connected to the multiple ladder assemblies 2 one by one. The ladder assemblies 2 can slide on the ground through the mobile bases 3, thereby improving the convenience of transportation of the ladder assemblies 2.

[0035] In some embodiments, Figure 1 and Figure 3 As shown, the pedal 22 is rotatably connected to the support rod 21 via a rotating shaft, and a driven gear 23 is mounted on the rotating shaft of the pedal 22. The ladder assembly 2 also includes a rotating shaft 24 and a chain 25. The rotating shaft 24 is rotatably connected to the support rod 21, and a driving gear (not shown in the figure) is mounted on the rotating shaft 24. The chain 25 is matched and connected with the driving gear and a plurality of driven gears 23, so that the rotating shaft 24 rotates and synchronously drives the plurality of pedals 22 to rotate through the driving gear, the chain 25 and the driven gear 23.

[0036] It is understandable that the chain 25 and gear transmission are used to synchronously drive multiple pedals 22 to rotate, thereby improving the efficiency and convenience of recycling the pedals 22.

[0037] The gear transmission can realize accurate synchronous rotation, ensure the movement consistency and coordination of the pedal 22, and the transmission efficiency of the chain 25 and the gear is high, which can effectively reduce energy loss and improve the operation efficiency of the entire device.

[0038] The gear and chain 25 materials are usually highly wear-resistant and fatigue-resistant, and can withstand long-term use without being easily damaged. The chain 25 and gear structures are relatively simple, easy to inspect and maintain, and it is also convenient to replace worn parts.

[0039] Compared with other transmission modes (eg, worm gear transmission), the chain 25 and the gear transmission system occupy less space, which contributes to the compactness of the overall design.

[0040] In some embodiments, Figure 1 As shown, a positioning pin 26 is provided between the pedal 22 and the support rod 21 so that the positioning pin 26 limits the rotation of the pedal 22 .

[0041] Optionally, the pedal 22 and the support rod 21 are provided with a socket, and when performing maintenance work, the positioning pin 26 is inserted into the socket to limit the rotation of the pedal 22. After the maintenance work is completed, the positioning pin 26 is pulled out and the pedal 22 is recovered.

[0042] Furthermore, if Figure 1 As shown, an adjustment socket is provided at the end of the rotating shaft 24, and the cross-sectional shape of the adjustment socket is hexagonal, so that it is convenient for the operator to rotate the rotating shaft 24 with a hexagonal wrench, thereby improving the convenience of the operation.

[0043] In some embodiments, Figure 1 and Figure 2 As shown, the platform body 1 further includes a screw rod 12 and a plurality of transmission blocks 13 .

[0044] Among them, the screw rod 12 is horizontally arranged below the telescopic plate 11, and the transmission block 13 is mounted on the screw rod 12. Multiple transmission blocks 13 correspond to and are connected to multiple telescopic plates 11 one by one, so that the screw rod 12 rotates and drives the transmission block 13 to move on the screw rod 12, and the transmission block 13 drives the corresponding telescopic plate 11 to extend and retract.

[0045] Thus, the screw rod 12 is used to synchronously drive the plurality of telescopic plates 11 to telescope, thereby improving the efficiency of adjusting the width of the platform body 1 and recovering the platform body 1 .

[0046] Alternatively, if Figure 1 and Figure 2 As shown, a handle 14 is provided at the end of the screw rod 12 to facilitate operators to use professional tools (wrench) to rotate the screw rod 12.

[0047] In some embodiments, Figure 1 As shown, a connecting block 27 is provided at the upper end of the support rod 21, and the connecting block 27 is connected to the transmission block 13 by bolts.

[0048] Optionally, corresponding screw holes are opened on the connecting block 27 and the transmission block 13, and bolts are engaged in the screw holes to connect the connecting block 27 and the transmission block 13, thereby realizing a detachable connection between the ladder assembly 2 and the platform body 1.

[0049] In some embodiments, Figure 1 and Figure 3As shown, the movable base 3 includes a support base 31 and a plurality of universal wheels 32. The support base 31 is connected to the lower end of the support rod 21. The plurality of universal wheels 32 are arranged at intervals in the horizontal direction at the lower part of the support base 31. The universal wheels 32 assist the ladder assembly 2 in moving.

[0050] Alternatively, if Figure 1 and Figure 3 As shown, the mobile base 3 also includes a support member, which is connected to the support base 31. The support member is used to adjust the height of the support base 31 so that the universal wheel 32 is located on the ground or off the ground.

[0051] For example, during maintenance operations, such as Figure 1 As shown, the support seat 31 is raised so that the support member is supported on the ground and the universal wheel 32 is off the ground, thereby ensuring the stability of the device and preventing it from moving at will. Figure 3 As shown, the support base 31 is lowered so that the universal wheels 32 are placed on the ground to facilitate the movement of the device.

[0052] Specifically, Figure 1 or Figure 3 As shown, the support member includes a support column 33, the support column 33 is provided with a thread, and the support seat 31 is provided with a screw hole so that the support column 33 and the support seat 31 are threadedly matched, and a nut 34 is mounted on the support column 33, and the nut 34 is in contact with the support seat 31. It can be understood that by rotating the nut 34 to move the support column 33 up and down, the support seat 31 is raised or lowered.

[0053] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0054] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0055] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0057] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0058] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A portable maintenance device, characterized in that: include: A platform body, the platform body comprising a plurality of telescopic plates connected in sequence, the plurality of telescopic plates being spaced apart and distributed in a horizontal direction; A plurality of ladder assemblies, wherein the ladder assemblies are detachably connected to the platform body, and the plurality of ladder assemblies are spaced around the platform body, wherein the ladder assemblies include two support rods and a plurality of pedals, wherein the support rods are arranged in a vertical direction, and the pedals are arranged between the two support rods, and the plurality of pedals are spaced in a vertical direction, wherein the ladder assemblies have a first mode and a second mode, wherein in the first mode, the pedals have an angle with the support rods, and in the second mode, the pedals are arranged in parallel with the support rods; A plurality of movable bases are provided, and the plurality of movable bases correspond to and are connected with the plurality of ladder assemblies one by one.

2. The portable maintenance device according to claim 1, characterized in that: The pedal is rotatably connected to the support rod via a rotating shaft, a driven gear is mounted on the rotating shaft of the pedal, and the ladder assembly further comprises a rotating shaft and a chain, the rotating shaft is rotatably connected to the support rod, a driving gear is mounted on the rotating shaft, and the chain is cooperatively connected with the driving gear and a plurality of driven gears, so that the rotating shaft rotates and synchronously drives the plurality of pedals to rotate through the driving gear, the chain and the driven gear.

3. The portable maintenance device according to claim 2, characterized in that: A positioning pin is provided between the pedal and the support rod so that the positioning pin limits the rotation of the pedal.

4. The portable maintenance device according to claim 2, characterized in that: An adjustment socket is provided at the end of the rotating shaft, and the cross-sectional shape of the adjustment socket is hexagonal.

5. The portable maintenance device according to claim 2, characterized in that: The platform body also includes a screw and a plurality of transmission blocks, wherein the transmission blocks are mounted on the screw, and the plurality of transmission blocks correspond to and are connected to the plurality of telescopic plates one by one, so that the screw rotates and drives the transmission blocks to move on the screw, and the transmission blocks drive the corresponding telescopic plates to telescope.

6. The portable maintenance device according to claim 5, characterized in that: A rotating handle is arranged at the end of the screw rod.

7. The portable maintenance device according to claim 5, characterized in that: A connecting block is provided at the upper end of the support rod, and the connecting block is connected to the transmission block by bolts.

8. The portable maintenance device according to claim 2, characterized in that: The mobile base comprises a support base and a plurality of universal wheels, wherein the support base is connected to the lower end of the support rod, and the plurality of universal wheels are arranged at intervals at the lower part of the support base along the horizontal direction.

9. The portable maintenance device according to claim 8, characterized in that: The mobile base also includes a support member, which is connected to the support seat, and the support member is used to adjust the height of the support seat so that the universal wheel is located on the ground or off the ground.

10. The portable maintenance device according to claim 9, characterized in that: The support member comprises a support column, the support column is provided with a thread, the support seat is provided with a screw hole so that the support column and the support seat are threadedly matched, and a nut is sleeved on the support column, and the nut is in contact with the support seat.

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