A lightweight, unpowered support system used by power grid operators

Abstract

The present invention discloses a light and non-powered support system for power grid operators, including an adjustable leg support worn on human legs and a waist support worn on human waist, the waist support is provided with a folding board for data writing; the adjustable leg support includes a thigh telescopic support part, a calf telescopic support part and a foot support part connected in sequence from top to bottom; the thigh telescopic support part and the calf telescopic support part are hinged via a hinge shaft, the foot support part is connected to the calf telescopic support part via a hinge shaft, and the end of the thigh telescopic support part is hinged to the waist support part; the waist support is provided with a storage box for storing the folding board. The present invention provides a support platform for outdoor workers to write data by hand, facilitates on-site recording, improves work efficiency, reduces the labor intensity of workers, and improves work comfort.

Description

Technical Field

[0001] The invention relates to the technical field of power grid detection assistance, in particular to a light and unpowered support system used by power grid operators. Background Art

[0002] When substations or lines are operated and maintained on-site, it is necessary to record the test data by hand on-site, and standing posture is generally used for on-site recording. When using traditional folders for recording, because the folders have no support and the fonts are not written properly, the handwriting is unclear and difficult to identify, resulting in reduced efficiency of on-site operations and prone to recording errors. When substations or lines are operated and maintained on-site, some tools and supplies need to be carried with them, which increases the physical exertion of the operation and maintenance personnel. Sometimes when inspecting in mountainous areas, it is necessary to climb mountains, which consumes a lot of physical energy; some electric-assisted exoskeletons need to use batteries and electric mechanical equipment, which increases the weight of the equipment, and the battery life is not long; and existing exoskeletons are difficult to meet the needs of on-site handwritten records of test data. Summary of the invention

[0003] The embodiments of the present invention provide a lightweight, non-powered support system for power grid operators to solve the technical problem in the prior art that the existing exoskeletons are difficult to meet the use requirements of on-site handwritten record detection data. In order to have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a general review, nor is it intended to identify key / important components or describe the scope of protection of these embodiments. Its sole purpose is to present some concepts in a simple form as a preface to the detailed description that follows.

[0004] The present invention provides the following technical solutions:

[0005] A light and non-powered support system for power grid operators, comprising an adjustable leg support worn on human legs and a waist support worn on human waist, the waist support being provided with a folding plate for data writing; the adjustable leg support comprising a thigh telescopic support portion, a calf telescopic support portion and a foot support portion which are sequentially connected from top to bottom; the thigh telescopic support portion and the calf telescopic support portion are hinged via a hinge shaft, the foot support portion is connected to the calf telescopic support portion via a hinge shaft, and the end of the thigh telescopic support portion is hinged to the waist support portion; the waist support portion is provided with a storage box for storing the folding plate.

[0006] As a preferred technical solution of the present invention, the folding plate is formed by hingedly connecting multiple flat plates connected end to end, and a horizontal lifting mechanism is provided between the bottoms of two adjacent flat plates. The horizontal lifting mechanism includes an arc-shaped bracket arranged at the end of one of the two adjacent flat plates, and the outer end of the arc-shaped bracket is provided with a supporting block for supporting the other of the two adjacent flat plates, and the supporting block is connected to the other of the two adjacent flat plates through a magnetic positioning mechanism; the innermost flat plate is flip-hinged and hinged to the storage box.

[0007] As a preferred technical solution of the present invention, the magnetic attraction positioning mechanism includes a first magnetic block arranged on the surface of the support block, and a second magnetic block embedded in the bottom of the other of the two adjacent flat plates and attracted to the magnetic block.

[0008] As a preferred technical solution of the present invention, the inner end of the folding plate is flip-hinged with the storage box via a hinge shaft, and a horizontal positioning mechanism is provided between the folding plate and the storage box. The horizontal positioning mechanism includes a positioning block arranged at the bottom of the storage box, and a rotation limit block arranged at the end of the folding plate and the hinge of the storage box, and the rotation limit block cooperates with the positioning block to limit the rotation angle of the folding plate; a third magnetic block is provided on the positioning block, and a fourth magnetic block is provided on the rotation limit block that is magnetically attracted to the third magnetic block, and the positioning block is connected to the rotation limit block via the third magnetic block and the fourth magnetic block.

[0009] As a preferred technical solution of the present invention, the width of the flat plate decreases gradually along the end away from the storage box.

[0010] As a preferred technical solution of the present invention, a docking block is provided at the upper end of the storage box, and a fifth magnetic block is provided on the docking block for attracting the first magnetic block on the surface of the bracket on the arc-shaped bracket on the innermost flat plate.

[0011] As a preferred technical solution of the present invention, the thigh telescopic support part includes a positioning frame, both sides of the positioning frame are bent inward to form a telescopic cavity, one end of the telescopic frame is movably inserted in the telescopic cavity, and the positioning frame and the telescopic frame are fixed to each other via a retaining mechanism; the outer end portion of the positioning frame is hinged to the waist support member; the telescopic end of the telescopic frame is hinged to the calf telescopic support part.

[0012] As a preferred technical solution of the present invention, the retaining mechanism includes a positioning threaded column arranged at the outer end of the positioning frame, the telescopic frame is provided with a slot arranged along the length direction of the telescopic frame, the inner side wall of the slot along the length direction of the telescopic frame is provided with a plurality of slots for the positioning threaded column to be inserted, the positioning threaded column passes through the slot and is installed with a fastening cap.

[0013] As a preferred technical solution of the present invention, the structure of the calf telescopic support part is the same as that of the thigh telescopic support part.

[0014] As a preferred technical solution of the present invention, the structure of the calf telescopic support part is the same as that of the thigh telescopic support part.

[0015] As a preferred technical solution of the present invention, the posture locking mechanism includes a first disc arranged at the end of the thigh telescopic support part, and a second disc arranged at the end of the calf telescopic support part, a column is provided at the center of the first disc, a circular hole is provided on the second disc for the column to pass through, and an end plate is fixed to the end of the column away from the first disc, a gear ring is provided at the outer end of the second disc distributed circumferentially around the circular hole, and the end plate is provided with an extrusion block for squeezing the first disc through the locking mechanism, and the extrusion block is provided with engaging teeth that engage with the gear ring.

[0016] As a preferred technical solution of the present invention, the locking mechanism includes a limiting tube arranged on the end plate, a piston block moving along the inner cavity of the limiting tube is provided in the limiting tube, the extrusion block is fixed to the bottom of the piston block, a screw is provided on the end of the limiting tube away from the end plate, and a threaded cylinder is provided on the screw to press the piston block.

[0017] As a preferred technical solution of the present invention, a return spring is provided between the piston block and an end of the limiting tube close to the end plate.

[0018] As a preferred technical solution of the present invention, the screw is installed on the limiting tube via a positioning frame.

[0019] As a preferred technical solution of the present invention, a rotating hand is provided on the threaded barrel.

[0020] As a preferred technical solution of the present invention, the adjustable leg support and the waist support are made of lightweight materials.

[0021] The beneficial effects of the present invention are:

[0022] 1. This kind of lightweight non-powered support system used by power grid operators provides a support platform for outdoor workers to write data by hand, which is convenient for on-site recording, improves work efficiency, reduces the labor intensity of workers, and improves working comfort; the support platform is convenient for writing, and can be stored in the storage box when not in use, which is convenient for walking.

[0023] 2. The present invention performs posture locking by setting a specific posture locking mechanism. When the staff needs to take a rest, the posture locking mechanism can lock the angle between the thigh telescopic support part and the calf telescopic support part, so that the legs can be supported to rest in a sitting position during the rest; and the posture locking mechanism has the characteristics of easy operation and small size.

[0024] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 It is a structural schematic diagram of a light and unpowered support system used by power grid operators of the present invention;

[0027] Figure 2 It is a structural schematic diagram of a folding plate of a light and unpowered support system used by power grid operators of the present invention;

[0028] Figure 3 It is a structural schematic diagram of a horizontal lifting mechanism of a light and unpowered support system used by power grid operators of the present invention;

[0029] Figure 4 It is a partial structural schematic diagram of a thigh telescopic support part of a lightweight unpowered support system used by power grid operators of the present invention;

[0030] Figure 5 It is a schematic diagram of the installation of a posture locking mechanism of a lightweight unpowered support system used by power grid operators in the present invention;

[0031] Figure 6 It is a structural schematic diagram of a posture locking mechanism of a lightweight unpowered support system used by power grid operators of the present invention;

[0032] Figure 7 The present invention is a schematic structural diagram of a gear ring of a lightweight unpowered support system used by power grid operators.

[0033] In the figure: 1, adjustable leg support; 2, waist support; 3, folding plate; 4, thigh telescopic support; 401, positioning frame; 402, telescopic cavity; 403, telescopic frame; 404, positioning threaded column; 405, slot; 406, bayonet; 407, fastening cap; 5, calf telescopic support; 6, foot support; 7, storage box; 8, flat plate; 9, horizontal lifting mechanism; 10, arc bracket; 11, bracket block; 12, first magnetic block; 13, second Magnetic block; 14. Positioning block; 15. Rotation limit block; 16. Third magnetic block; 17. Fourth magnetic block; 18. Docking block; 19. Fifth magnetic block; 20. Posture locking mechanism; 21. First disc; 22. Second disc; 23. Column; 24. Round hole; 25. End plate; 26. Gear ring; 27. Extrusion block; 28. Limiting tube; 29. ​​Piston block; 30. Screw; 31. Threaded barrel; 32. Return spring; 34. Rotating handle; 35. Engaging teeth. DETAILED DESCRIPTION

[0034] The following description and accompanying drawings fully illustrate the specific embodiments of this article so that those skilled in the art can practice them. Parts and features of some embodiments may be included in or replace parts and features of other embodiments. The scope of the embodiments of this article includes the entire scope of the claims, as well as all available equivalents of the claims. Herein, the terms "first", "second", etc. are only used to distinguish one element from another, without requiring or implying any actual relationship or order between these elements. In fact, the first element can also be called the second element, and vice versa. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that the structure, device or equipment including a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also include elements inherent to such structure, device or equipment. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the structure, device or equipment including the elements. Each embodiment is described in a progressive manner herein, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the embodiments can be referred to each other.

[0035] The terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. in this document indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this document and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of this document, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, it can also be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0036] As used herein, the term "plurality" means two or more than two, unless otherwise specified.

[0037] In this document, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B means: A or B.

[0038] In this article, the term "and / or" is a description of the association relationship between objects, indicating that three relationships may exist. For example, A and / or B means: A or B, or, A and B.

[0039] In the absence of conflict, the embodiments of the present invention and the features of the embodiments may be combined with each other.

[0040] Example 1: Figure 1-7 As shown, the present invention is a light and non-powered support system used by power grid operators, comprising an adjustable leg support 1 worn on the human leg and a waist support 2 worn on the human waist, the waist support 2 is provided with a folding board 3 for data writing; the adjustable leg support 1 comprises a thigh telescopic support part 4, a calf telescopic support part 5 and a foot support part 6 connected in sequence from top to bottom; the thigh telescopic support part 4 and the calf telescopic support part 5 are hinged via a hinge shaft, the foot support part 6 is connected to the calf telescopic support part 5 via a hinge shaft, and the end of the thigh telescopic support part 4 is hinged to the waist support 2; the waist support is provided with a storage box 7 for storing the folding board. The light and non-powered support system used by power grid operators in this embodiment provides a support platform for outdoor workers to write data by hand, which is convenient for on-site recording, improves work efficiency, reduces the labor intensity of workers, and improves work comfort.

[0041] Embodiment 2. The difference between this embodiment and embodiment 1 is that the folding plate 3 is formed by hingedly connecting a plurality of flat plates 8 end to end, and a horizontal lifting mechanism 9 is provided between the bottoms of two adjacent flat plates 8. The horizontal lifting mechanism 9 includes an arc-shaped bracket 10 provided at the end of one of the two adjacent flat plates 8. The outer end of the arc-shaped bracket 10 is provided with a supporting block 11 for supporting the other of the two adjacent flat plates 8. The supporting block 11 is connected to the other of the two adjacent flat plates 8 via a magnetic positioning mechanism. The folding plate can be stored and folded by providing the folding plate, thereby reducing its storage volume and making it convenient to carry close to the body.

[0042] The magnetic positioning mechanism includes a first magnetic block 12 arranged on the surface of the support block 11, and a second magnetic block 13 embedded in the bottom of the other of the two adjacent flat plates 8 and attracted to the magnetic block 12. The first magnetic block 12 and the second magnetic block 13 are used to fix the adjacent flat plates by magnetic attraction, thereby having the characteristics of easy installation and disassembly.

[0043] The inner end of the folding plate 3 is flip-hinged with the storage box 7 via a hinge shaft, and a horizontal positioning mechanism is provided between the folding plate 3 and the storage box 7, and the horizontal positioning mechanism includes a positioning block 14 arranged at the bottom of the storage box 7, and a rotation limit block 15 arranged at the end of the folding plate 3 and the hinged position of the storage box 7, and the rotation limit block 14 cooperates with the positioning block 14 to limit the rotation angle of the folding plate 3; a third magnetic block 16 is provided on the positioning block 14, and a fourth magnetic block 17 that is magnetically attracted to the third magnetic block 16 is provided on the rotation limit block 15, and the positioning block 14 is connected to the rotation limit block 15 through the third magnetic block 16 and the fourth magnetic block 17, so that the folding plate is horizontally unfolded, and the unfolding angle is limited, and the cooperation of the third magnetic block 16 and the fourth magnetic block 17 plays a fixing role to prevent the unfolded folding plate from flipping up and down.

[0044] The width of the flat plate 8 decreases gradually along the end away from the storage box, so as to facilitate folding and storage of the flat plate.

[0045] A docking block 18 is provided at the upper end of the storage box 7, and a fifth magnetic block 19 is provided on the docking block 18 to attract the first magnetic block 12 on the surface of the bracket 11 on the arc bracket 10 on the innermost flat plate 8, thereby playing a fixing role.

[0046] Embodiment 3, the difference between this embodiment and embodiment 1 is that: the thigh telescopic support part 4 includes a positioning frame 401, both sides of the positioning frame 401 are bent inward to form a telescopic cavity 402, one end of the telescopic frame 403 is movably inserted in the telescopic cavity 402, the positioning frame 401 and the telescopic frame 403 are fixed to each other via a retaining mechanism, the outer end of the positioning frame 401 is hinged to the waist support member 2; the telescopic end of the telescopic frame 403 is hinged to the calf telescopic support part 2; wherein the telescopic frame can be moved along the telescopic cavity 402, so as to facilitate the adjustment of the length of the thigh telescopic support part 4 to adapt to people of different heights.

[0047] The retaining mechanism includes a positioning threaded column 404 arranged at the outer end of the positioning frame 401, and the telescopic frame 403 is provided with a slot 405 arranged along the length direction of the telescopic frame 403. The inner side wall of the slot 405 along the length direction of the telescopic frame 403 is provided with a plurality of slots 406 for the positioning threaded column 404 to be inserted into. The positioning threaded column 404 passes through the slot 405 and is installed with a fastening cap 407, which is convenient for fixing and disassembly and is not prone to sliding.

[0048] The calf telescopic support part 5 and the thigh telescopic support part 4 have the same structural composition.

[0049] Embodiment 4: The difference between this embodiment and embodiment 3 is that a posture locking mechanism 20 is provided between the thigh telescopic support part 4 and the calf telescopic support part 5 .

[0050] The posture locking mechanism 20 includes a first disc 21 arranged at the end of the thigh telescopic support part 4, and a second disc 22 arranged at the end of the calf telescopic support part 5. A column 23 is provided at the center of the first disc 21, and a circular hole 24 is provided on the second disc 22 for the column 23 to pass through, and an end plate 25 is fixed to the end of the column 23 away from the first disc 21, and a gear ring 26 is provided at the outer end of the second disc 21. The end plate 25 is provided with an extrusion block 27 that squeezes the first disc 21 through the locking mechanism, and the extrusion block 27 is provided with engaging teeth 35 that engage with the gear ring 26.

[0051] The locking mechanism includes a limiting tube 28 arranged on the end plate 25, and a piston block 29 is provided in the limiting tube 28 and moves along the inner cavity of the limiting tube 28. The extrusion block 27 is fixed to the bottom of the piston block 29. A screw 30 is provided on the end of the limiting tube 28 away from the end plate 25, and a threaded cylinder 31 is provided on the screw 30 to press the piston block 29; a return spring 32 is provided between the piston block 29 and the end of the limiting tube 28 close to the end plate 25. When the posture is fixed, the threaded cylinder is manually tightened, and the threaded cylinder drives the piston block to move, and the piston block drives the extrusion block to squeeze the second disc. Under the bite of the meshing teeth and the gear ring 26, a positioning effect is played, so that the angle between the thigh telescopic support part 4 and the calf telescopic support part 5 is adjusted, so that the legs can be supported for sitting and resting; when the fixing effect is released, the threaded cylinder can be loosened, and under the action of the reset spring, the meshing teeth and the gear ring 26 are separated, so that the thigh telescopic support part 4 and the calf telescopic support part 5 can rotate.

[0052] The screw rod 30 is installed on the limiting tube 28 via a positioning frame.

[0053] The threaded cylinder 31 is provided with a rotating handle 34 for easy manual rotation to fix the angle between the thigh telescopic support part and the calf telescopic support part.

[0054] The adjustable leg support member 1 and the waist support member 2 are made of lightweight materials, which effectively reduces the overall weight and facilitates wearing.

[0055] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lightweight, unpowered support system used by power grid operators, characterized in that: The invention comprises an adjustable leg support (1) worn on the legs of a human body and a waist support (2) worn on the waist of a human body, wherein the waist support (2) is provided with a folding plate (3) for writing data; the adjustable leg support (1) comprises a thigh telescopic support part (4), a calf telescopic support part (5) and a foot support part (6) connected in sequence from top to bottom; the thigh telescopic support part (4) and the calf telescopic support part (5) are hingedly connected via a hinge shaft, the foot support part (6) is connected to the calf telescopic support part (5) via a hinge shaft, and the end of the thigh telescopic support part (4) is hingedly connected to the waist support (2); the waist support is provided with a storage box (7) for storing the folding plate; The folding plate (3) is formed by hingedly connecting a plurality of flat plates (8) connected end to end, a horizontal lifting mechanism (9) is provided between the bottoms of two adjacent flat plates (8), the horizontal lifting mechanism (9) comprises an arc-shaped bracket (10) arranged at the end of one of the two adjacent flat plates (8), the outer end of the arc-shaped bracket (10) is provided with a supporting block (11) for supporting the other of the two adjacent flat plates (8), the supporting block (11) is connected to the other of the two adjacent flat plates (8) via a magnetic positioning mechanism; the innermost flat plate (8) is flip-hinged with the storage box (7); The magnetic attraction positioning mechanism comprises a first magnetic block (12) arranged on the surface of the support block (11), and a second magnetic block (13) embedded in the bottom of the other of the two adjacent flat plates (8) and attracted to the magnetic block (12); The inner end of the folding plate (3) is hingedly connected to the storage box (7) via a hinge shaft; a horizontal positioning mechanism is provided between the folding plate (3) and the storage box (7), the horizontal positioning mechanism comprising a positioning block (14) arranged at the bottom of the storage box (7), and a rotation limit block (15) arranged at the hinge between the end of the folding plate (3) and the storage box (7); the rotation limit block (14) cooperates with the positioning block (14) to limit the rotation angle of the folding plate (3); a third magnetic block (16) is provided on the positioning block (14); a fourth magnetic block (17) magnetically attracted to the third magnetic block (16) is provided on the rotation limit block (15); the positioning block (14) is connected to the rotation limit block (15) via the third magnetic block (16) and the fourth magnetic block (17); A posture locking mechanism (20) is provided between the thigh telescopic support portion (4) and the calf telescopic support portion (5); The posture locking mechanism (20) comprises a first disc (21) arranged at the end of the thigh telescopic support part (4), and a second disc (22) arranged at the end of the calf telescopic support part (5); a column (23) is arranged at the center of the first disc (21); a circular hole (24) is arranged on the second disc (22) for the column (23) to pass through; an end plate (25) is fixed to the end of the column (23) away from the first disc (21); a gear ring (26) is arranged at the outer end of the second disc (21) and is circumferentially distributed around the circular hole (24); the end plate (25) is provided with an extrusion block (27) for extruding the first disc (21) through the locking mechanism; the extrusion block (27) is provided with engaging teeth (35) for engaging with the gear ring (26); The locking mechanism comprises a limiting tube (28) arranged on the end plate (25), a piston block (29) moving along the inner cavity of the limiting tube (28) being arranged in the limiting tube (28), the extrusion block (27) being fixed to the bottom of the piston block (29), a screw rod (30) being arranged at one end of the limiting tube (28) away from the end plate (25), and a threaded cylinder (31) being arranged on the screw rod (30) for pressing the piston block (29).

2. A lightweight unpowered support system for power grid operators according to claim 1, characterized in that: The width of the storage box (7) decreases gradually along an end away from the storage box (7).

3. A lightweight unpowered support system for power grid operators according to claim 1, characterized in that: A docking block (18) is provided at the upper end of the storage box (7), and a fifth magnetic block (19) is provided on the docking block (18) for attracting a first magnetic block (12) on the surface of a bracket (11) on an arc-shaped bracket (10) on a flat plate (8) hinged to the storage box (7).

4. A portable non-powered support system for power grid operators according to claim 1, characterized in that: The thigh telescopic support portion (4) comprises a positioning frame (401), both sides of the positioning frame (401) are bent inwardly to form a telescopic cavity (402), one end of the telescopic frame (403) is movably inserted into the telescopic cavity (402), and the positioning frame (401) and the telescopic frame (403) are fixed to each other via a retaining mechanism; the outer end of the positioning frame (401) is hinged to the waist support member (2); and the telescopic end of the telescopic frame (403) is hinged to the calf telescopic support portion.

5. A lightweight non-powered support system for power grid operators according to claim 4, characterized in that: The retaining mechanism comprises a positioning threaded column (404) arranged at the outer end of the positioning frame (401); the telescopic frame (403) is provided with a slot (405) arranged along the length direction of the telescopic frame (403); the inner side wall of the slot (405) along the length direction of the telescopic frame (403) is provided with a plurality of slots (406) for the positioning threaded column (404) to be inserted; the positioning threaded column (404) passes through the slot (405) and is installed with a fastening cap (407).

6. A lightweight non-powered support system for power grid operators according to claim 5, characterized in that: The calf telescopic support part (5) has the same structural composition as the thigh telescopic support part (4).

7. A lightweight non-powered support system for power grid operators according to claim 1, characterized in that: A return spring (32) is provided between the piston block (29) and an end of the limiting tube (28) close to the end plate (25).

8. A portable non-powered support system for power grid operators according to claim 1, characterized in that: The screw rod (30) is mounted on the limiting tube (28) via a positioning frame.

9. A portable non-powered support system for power grid operators according to claim 1, characterized in that: The threaded barrel (31) is provided with a rotating handle (34).

10. A lightweight non-powered support system for power grid operators according to claim 1, characterized in that: The adjustable leg support member (1) and the waist support member (2) are made of lightweight materials.

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