Folding chair for working at height of electric pole and method of using the same

Abstract

The present invention discloses a folding chair for working at heights on utility poles and a method for using the folding chair. The folding chair for working at heights on utility poles comprises a locking mechanism, a locking folding buckle, a stool surface, a backrest, and a backrest folding buckle. There are two locking folding buckles, and the locking mechanism is installed at the left position of the lower surface of the stool surface through the locking folding buckle. There are two backrest folding buckles, and the backrest is installed at the right position of the upper surface of the stool surface through the backrest folding buckle. The folding chair adopts a folding design, and is compact in size after folding, which is convenient for operators to carry during climbing. After climbing to a suitable position, the operator unfolds the folding chair and sits on the stool surface to complete corresponding work tasks. The comfortable working environment can improve working efficiency and ensure stable power operation. At the same time, the operator sits on the stool surface to carry out work to avoid leg cramps caused by long-term work, reduce the risk of operators falling from heights, and reduce safety hazards.

Description

Technical Field

[0001] The invention relates to the technical field of electric power operation and maintenance, and in particular to a folding chair for working at high places on electric poles and a use method thereof. Background Art

[0002] In people's daily life and work, electricity plays an important role as an important component. More and more production and life need to rely on the stable operation of electricity. The power operation and maintenance department is a part of the power supply company. Power operation and maintenance refers to the maintenance of power lines, power operation, and power repair by a professional team. Its main contents include line inspection, fault troubleshooting, emergency repair and restoration, etc., to ensure a safe and stable supply of electricity.

[0003] However, in actual power operation and maintenance scenarios, operators often need to face high-altitude working environments and climb utility poles. In many power operation and maintenance scenarios, they need to work on utility poles for a long time. The specific scenarios are as follows:

[0004] 1. Fault repair: When a fault occurs in the line on the pole, causing power outage, electricians need to climb up the pole to troubleshoot and repair the fault;

[0005] 2. Line maintenance: Regularly maintain and inspect the lines on the poles, including clearing debris from the lines, checking whether the insulators are intact, tightening the connectors, etc.;

[0006] 3. New line installation: When installing new electricity meters, renovating or expanding the power grid, electricians need to install new lines on the poles for connection.

[0007] In the above scenario, the workers work on the utility poles for a long time. High-altitude work on utility poles usually uses footrests and safety belts. Long-term work will cause the workers' legs to be under great stress and suffer leg cramps. Since they are working at high altitude at the time, leg cramps will affect the workers and affect their work efficiency. At the same time, leg cramps will distract the workers' attention, making safety accidents prone to occur. Most importantly, it increases the risk of falling from heights for the workers. Long-term high-altitude work poses a great safety hazard. Summary of the invention

[0008] In order to overcome the above-mentioned problems, the purpose of the present invention is to provide a folding chair for working at heights on utility poles and a method of using the same. The folding chair adopts a folding design and is compact in size after folding, making it convenient for workers to carry during climbing. After climbing to a suitable position, the workers unfold the folding chair and sit on the stool to complete corresponding work tasks. The comfortable working environment can improve work efficiency and ensure stable electricity operation. At the same time, workers can sit on the stool to carry out their work to avoid leg cramps caused by long-term work, thereby reducing the risk of workers falling from heights and reducing safety hazards.

[0009] The technical solution adopted by the present invention is:

[0010] A folding chair for working at heights on electric poles comprises a locking mechanism, a locking folding buckle, a stool surface, a backrest, and a backrest folding buckle. There are two locking folding buckles, and the locking mechanism is installed at the left position of the lower surface of the stool surface through the locking folding buckle. There are two backrest folding buckles, and the backrest is installed at the right position of the upper surface of the stool surface through the backrest folding buckle.

[0011] The locking mechanism includes a locking plate, a fixing ring, an adjusting ring, an adjusting ring fixing plate, a limiting plate, a telescopic spring, a V-shaped clip, and a locking switch. The locking plate and the fixing ring are integrally formed. One end of the fixing ring is connected to the left side of the locking plate. The other end of the fixing ring is provided with a connecting hole. One end of the adjusting ring is provided with a connecting column, and the other end is provided with a serrated pattern on the outside. The adjusting ring is rotatably connected to the connecting hole of the fixing ring through the connecting column. The locking plate is hollow in the middle. The adjusting ring fixing plate and the limiting plate are installed inside the locking plate. The left side of the adjusting ring fixing plate The locking plate is fixedly installed inside the locking plate, and the upper right side of the adjusting ring fixing plate is a serrated structure, and a protrusion is designed at the lower right side of the adjusting ring fixing plate. The limit plate is located below the adjusting ring fixing plate, and a limit groove is opened on the right side of the limit plate, and the limit groove is matched with the protrusion. The limit plate is slidably connected to the upper surface of the hollow structure inside the locking plate, and the right end of the limit plate is connected to one end of the telescopic spring, and the other end of the telescopic spring is fixedly connected to the side of the hollow structure of the locking plate. The V-shaped clip is placed in the middle position between the adjusting ring fixing plate and the limit plate, and the left end of the limit plate is connected to a locking switch.

[0012] As a further description of the present invention, the locking folding buckle is a 180° folding buckle, and the locking folding buckle includes a fixed base, a folding plate, a locking shaft, an unlocking piece, a first spring, and a second spring. The fixed base and the folding plate are both groove-shaped structures, and the bottom surface of the fixed base is fixedly connected to the left side position of the lower surface of the stool surface, and the bottom surface of the folding plate is fixedly connected to the bottom surface position of the locking plate. The width of the folding plate is smaller than the width of the fixed base, and a first connecting hole is opened on the left side of the fixed base, and a second connecting hole is opened on the right side of the folding plate. The second connecting hole of the folding plate is fixed together with the first connecting hole using bolts, and a locking shaft moving groove is opened on the left side of the second connecting hole, and the locking shaft is located in the locking shaft moving groove. The unlocking piece is a U-shaped structure, which is installed on both sides of the locking shaft, and the unlocking piece is located on the outside of the folding plate. Two fixing rings are designed on the upper surface of the fixed base, and one end of the first spring and the second spring is fixedly connected to the fixing ring, and the other end is fixedly connected to the locking shaft.

[0013] As a further description of the present invention, locking shaft retaining grooves are opened above both sides of the fixed base, and the retaining grooves are semicircular structures, and the diameter of the retaining grooves is the same as the diameter of the locking shaft.

[0014] As a further description of the present invention, the backrest folding buckle is a 90° folding buckle, which includes a backrest base, a backrest folding seat, a connecting plate, a first connecting shaft, and a second connecting shaft. The backrest base and the backrest folding seat are both groove structures. The width of the backrest folding seat is greater than the width of the backrest base. A third connecting hole is opened on the right side of the backrest base, a movable groove is opened on the left side of the third connecting hole, and a fourth connecting hole is opened below the folding seat. The third connecting hole of the backrest base and the fourth connecting hole of the backrest folding seat are fixed together with bolts. The bottom surface of the backrest base is fixedly connected to the right side position of the upper surface of the stool surface, and the bottom surface of the backrest folding seat is fixedly connected to one side of the backrest. The connecting plate connects the first connecting shaft and the second connecting shaft, the first connecting shaft is installed in the movable groove, and the second connecting shaft is fixedly connected above the backrest folding seat.

[0015] As a further description of the present invention, a positioning buckle is connected to the first connecting shaft.

[0016] As a further description of the present invention, a limit stopper is designed on the right side of the upper surface of the stool surface.

[0017] As a further description of the present invention, a sliding groove is opened inside the locking plate below the limiting plate, and a sliding bar is designed on the lower surface of the limiting plate. The sliding bar is adapted to the size of the sliding groove, and the sliding bar moves left and right in the sliding groove.

[0018] As a further description of the present invention, a handle is installed on the left side of the locking switch, and a threaded rod is installed on the right side. A limiting hole is opened on the left side of the limiting plate. The size of the limiting hole is adapted to the size of the threaded rod. The threaded rod can enter the limiting hole. The depth of the limiting hole is 1 cm.

[0019] As a further description of the present invention, shoulder straps are designed on both sides of the stool surface.

[0020] The method for using the folding chair for working at a height of a utility pole comprises the following steps:

[0021] S01: Carrying a folding chair to the height of the electric pole for maintenance, the operator carries the folding chair on his back and climbs to the height of the electric pole where power maintenance is required with the help of footrests;

[0022] S02: Install the locking mechanism, remove the folding chair, unfold the locking mechanism to a 180° angle with the stool surface, wrap the fixing ring around the pole, use the adjusting ring to clamp the adjusting ring fixing plate, and use the limit plate to fix the position;

[0023] S03: Adjust the backrest angle. The angle between the backrest and the stool surface is adjusted by adjusting the backrest folding buckle. After adjusting the angle, use the positioning buckle to fix the position of the first connecting axis so that the backrest and the stool surface are at 90 degrees.

[0024] S04: Inspection and maintenance: the operator sits on the bench with his feet on the footrests to perform inspection and maintenance;

[0025] S05: Put away the folding chair. After the inspection is completed, the operator leaves the chair.

[0026] Open the positioning buckle, fold the backrest, rotate the locking switch to make the adjustment ring disengage from the limit of the adjustment ring fixing plate, and fold the backrest above the stool surface.

[0027] The locking mechanism is removed from the electric pole, and the unlocking piece is adjusted to change the angle of the locking folding buckle, and the locking mechanism is folded under the stool surface.

[0028] Beneficial effects of the present invention:

[0029] The folding chair for working at a height of a utility pole comprises a locking mechanism, a locking folding buckle, a stool surface, a backrest, and a backrest folding buckle. The locking folding buckle has two locking folding buckles. The locking mechanism is installed at the left position of the lower surface of the stool surface through the locking folding buckle. The locking folding buckle is a 180° folding buckle. The locking mechanism is retracted under the stool surface by folding the locking folding buckle. The locking mechanism and the stool surface are in a horizontal state by unfolding the locking folding buckle. The backrest has two folding buckles. The backrest is installed at the right position of the upper surface of the stool surface through the backrest folding buckle. The backrest folding buckle is a 90° folding buckle. The backrest is folded on the stool surface by folding the backrest folding buckle. The foldable chair can be folded up easily, and the backrest can be propped up at 90° on the stool surface by unfolding the folding buckle of the backrest, providing back support for the operator. The design of locking folding buckle and backrest folding buckle makes the folding chair compact after folding, which is convenient for operators to carry during climbing. After climbing to the appropriate position, the operator unfolds the folding chair and sits on the stool surface to complete the corresponding work tasks. The comfortable working environment can improve working efficiency and ensure stable power operation. At the same time, when the operator sits on the stool surface, the force-bearing area of ​​the human body is increased, and leg cramps caused by long-term work can be avoided when working, the risk of falling from heights for operators is reduced, and safety hazards are reduced.

[0030] The present invention is a folding chair for working at a height of a utility pole. The locking mechanism comprises a locking plate, a fixing ring, an adjusting ring, an adjusting ring fixing plate, a limiting plate, a telescopic spring, a V-shaped clamp, and a locking switch. The locking mechanism fixes the locking mechanism to the working position of the worker at the upper end of the utility pole by limiting the adjusting ring inside the fixing ring. After being fixed on the utility pole, the locking mechanism provides supporting force to the stool surface, so that the worker can sit on the stool surface stably to work, thereby improving work efficiency.

[0031] The present invention is a folding chair for working at a height of a utility pole, wherein the locking folding buckle is a 180° folding buckle, comprising a fixed base, a folding plate, a locking shaft, an unlocking member, a first spring, and a second spring; the folding plate is rotatably connected to the fixed base, and the rotation of the folding plate realizes the folding of the locking mechanism; after the unlocking member cancels the lock, the locking mechanism is operated to fold, thereby realizing the folding of the locking mechanism; the backrest folding buckle is a 90° folding buckle, wherein the backrest folding buckle comprises a backrest base, a backrest folding seat, a connecting plate, a first connecting shaft, and a second connecting shaft; after the positioning buckle cancels the positioning of the backrest folding seat, the backrest folding seat is moved to change the angle between the backrest folding seat and the backrest base, thereby causing the second connecting shaft on the backrest folding seat to rotate, and the connecting plate moves in the moving groove under the rotation of the second connecting shaft, thereby realizing the folding of the backrest folding seat; the two folding methods are simple and convenient to operate, and are convenient for operators to operate in a high-altitude environment.

[0032] The present invention discloses a method for using a folding chair for working at a height of a utility pole. The method clearly stipulates the steps for workers to use the folding chair, which is convenient for operation and use and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the folding chair for working at height on a utility pole proposed by the present invention after folding;

[0034] Figure 2 This is a schematic diagram of the upper and lower surfaces of the folding chair for working at heights above electric poles proposed by the present invention;

[0035] Figure 3 This is a schematic diagram of the connection of the lower surface of the folding chair for working at height on a utility pole proposed by the present invention;

[0036] Figure 4 This is a schematic diagram of the surface structure of the locking mechanism of the folding chair for working at height on a utility pole proposed by the present invention;

[0037] Figure 5 A schematic diagram of the internal structure of the locking mechanism of the folding chair for working at height on a utility pole proposed by the present invention;

[0038] Figure 6 This is a schematic diagram of the position of the upper limit stopper of the seat surface of the folding chair for working at height on a utility pole proposed by the present invention;

[0039] Figure 7 This is a schematic diagram of the structure of the folding chair for working at a height above a utility pole proposed by the present invention, with the backrest buckle folded at 90°;

[0040] Figure 8 This is a schematic diagram of the structure of the folding chair for working at height on a utility pole proposed by the present invention after the backrest folding buckle is folded;

[0041] Fig. 9 This is a schematic diagram of the structure of the folding chair for working at height on a utility pole proposed by the present invention, with the locking folding buckle in a 180° state;

[0042] Fig.10 This is a schematic diagram of the structure of the folding chair for working at a height above a utility pole proposed by the present invention, with the locking folding buckle in a 90° state;

[0043] Fig.11 This is a schematic diagram of the structure of the folding chair for working at height on a utility pole proposed by the present invention after being folded with a locking folding buckle;

[0044] Fig.12 The present invention is a flow chart of the method for using the folding chair for working at height on a utility pole.

[0045] Description of Reference Numerals

[0046] 1- Locking mechanism,

[0047] 11-locking plate, 12-fixing ring, 13-adjusting ring, 14-adjusting ring fixing plate, 141-bump, 15-limiting plate, 151-limiting groove, 16-telescopic spring, 17-V-clip, 18-locking switch,

[0048] 2- Lock the folding buckle,

[0049] 21-fixed base, 211-first connecting hole, 212-fixing ring, 213-locking shaft positioning groove, 22-folding plate, 221-second connecting hole, 222-locking shaft moving groove, 23-locking shaft, 24-unlocking member, 25-first spring, 26-second spring,

[0050] 3-stool surface,

[0051] 31-Limit stopper,

[0052] 4- Backrest,

[0053] 5-Backrest folding buckle,

[0054] 51 - backrest base, 511 - third connecting hole, 512 - moving groove, 52 - backrest folding seat, 521 - fourth connecting hole, 53 - connecting plate, 54 - first connecting shaft, 55 - second connecting shaft. DETAILED DESCRIPTION

[0055] The specific implementation of the present invention is described below in conjunction with the accompanying drawings and embodiments:

[0056] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0057] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0058] like Figures 1 to 12 As shown, it shows a specific embodiment of the present invention:

[0059] Embodiment 1

[0060] The folding chair for working at a height of a utility pole disclosed in the present invention comprises a locking mechanism 1, a locking folding buckle 2, a stool surface 3, a backrest 4, and a backrest folding buckle 5. The locking folding buckles 2 have two, and the locking mechanism 1 is installed at the left position of the lower surface of the stool surface 3 through the locking folding buckle 2. The backrest folding buckles 5 have two, and the backrest 4 is installed at the right position of the upper surface of the stool surface 3 through the backrest folding buckle 5.

[0061] In this embodiment, Figure 1 , Figure 2 , Figure 3 The folding buckle 2 is a 180° folding buckle, and the locking mechanism 1 is folded under the stool surface 3 by folding the locking folding buckle 2, and the locking mechanism 1 and the stool surface 3 are horizontal by unfolding the locking folding buckle 2. The backrest folding buckle 5 is a 90° folding buckle, and the backrest 4 is folded above the stool surface 3 by folding the backrest folding buckle 5, and the backrest 4 is propped up at 90° on the stool surface 3 to provide back support for the operator. The design of the locking folding buckle 2 and the backrest folding buckle 5 makes the folding chair compact after folding, which is convenient for the operator to carry during the climbing process. After climbing to a suitable position, the operator unfolds the folding chair and sits on the stool surface 3 to complete the corresponding work task. The comfortable working environment can improve the working efficiency and ensure the stable operation of electricity. At the same time, the operator sitting on the stool surface increases the force bearing area of ​​the human body, avoids leg cramps caused by long-term work when working, reduces the risk of falling from a height for the operator, and reduces safety hazards.

[0062] The locking mechanism 1 includes a locking plate 11, a fixing ring 12, an adjusting ring 13, an adjusting ring fixing plate 14, a limiting plate 15, a telescopic spring 16, a V-shaped clip 17, and a locking switch 18. The locking plate 11 and the fixing ring 12 are integrally formed, one end of the fixing ring 12 is connected to the left side of the locking plate 11, and the other end of the fixing ring 12 is provided with a connecting hole. One end of the adjusting ring 13 is designed with a connecting column, and the outer side of the other end is designed with a serration. The adjusting ring 13 is rotatably connected to the connecting hole of the fixing ring 12 through the connecting column. The locking plate 11 is hollow in the middle, and the adjusting ring fixing plate 14 and the limiting plate 15 are installed inside the locking plate 11. The left side of the adjusting ring fixing plate 14 is fixed It is fixedly installed inside the locking plate 11, and the upper right side of the adjusting ring fixing plate 14 is a serrated structure. A protrusion 141 is designed at the lower right side of the adjusting ring fixing plate 14. The limit plate 15 is located below the adjusting ring fixing plate 14, and a limit groove 151 is opened on the right side of the limit plate 15. The limit groove 151 is adapted to the protrusion 141. The limit plate 15 is slidably connected to the upper surface of the hollow structure inside the locking plate 11, and the right end of the limit plate 15 is connected to one end of the telescopic spring 16, and the other end of the telescopic spring 16 is fixedly connected to the side of the hollow structure of the locking plate 11. The V-shaped clip 17 is placed in the middle of the adjusting ring fixing plate 14 and the limit plate 15, and the left end of the limit plate 15 is connected to a locking switch 18.

[0063] In this embodiment, Figure 4 , Figure 5 As shown, when the locking mechanism 1 is actually working, the locking mechanism 1 is fixed to the working position of the operator at the upper end of the utility pole by adjusting the limit of the ring 13 inside the fixing ring 12. After the locking mechanism 1 is fixed on the utility pole, it provides supporting force to the stool surface 3, so that the operator can sit stably on the stool surface 3 to work, thereby improving work efficiency.

[0064] In this embodiment, the adjusting ring fixing plate 14 and the limiting plate 15 inside the locking plate 11 limit the adjusting ring 13, and the adjusting ring 13 is rotatably connected to the fixing ring 12. When the adjusting ring 13 surrounds the electric pole, the end thereof designed with serrations interacts with the serrations on the upper right side of the adjusting ring fixing plate 14, so that the serrations on the adjusting ring 13 can be inserted into the serrations on the adjusting ring fixing plate 14 to achieve fixation. At the same time, rotating the locking switch 18 causes the limiting plate 15 to move rightward, compressing the telescopic spring 16, so that the two sides of the limiting groove 151 abut against the protrusion 141, ensuring that the adjusting ring 13 is clamped at the position of the adjusting ring fixing plate 14 to achieve locking action. The V-shaped clamp 17 plays a role of a supporting force. This process is simple and convenient to operate, and can be completed by an operator alone at high altitude.

[0065] After the operation is completed, the locking switch 18 is turned in the opposite direction. Under the elastic force of the telescopic spring 16, the limit plate 15 moves to the left, and the protrusion 141 falls into the limit groove 151, releasing the limit. At this time, the adjusting ring 132 can move and the locking mechanism 1 is removed from the pole.

[0066] In this embodiment, the operation process of the locking mechanism 1 is achieved by rotating the locking switch 18, which is simple and convenient to operate and improves work efficiency.

[0067] Specifically, a slide groove is provided inside the locking plate 11 below the limiting plate 15 , and a sliding bar is designed on the lower surface of the limiting plate 15 . The sliding bar is adapted to the size of the slide groove, and the sliding bar moves left and right in the slide groove.

[0068] In this embodiment, the sliding groove and the limiting groove are designed to facilitate the movement of the limiting plate 15 .

[0069] Specifically, a handle is installed on the left side of the locking switch 18, and a threaded rod is installed on the right side. A limiting hole is opened on the left side of the limiting plate 15. The size of the limiting hole is adapted to the size of the threaded rod. The threaded rod can enter the limiting hole. The depth of the limiting hole is 1 cm.

[0070] In this embodiment, the locking switch 18 is adjusted by the design of the handle, which is convenient for adjustment and saves physical effort. At the same time, the limiting hole is used for the entry of the threaded rod, so that the force applied to the adjustment handle 18 can be better transmitted to the limiting plate 15, which is convenient for the operator to adjust.

[0071] Specifically, the locking folding buckle 2 is a 180° folding buckle, and the locking folding buckle 2 includes a fixed base 21, a folding plate 22, a locking shaft 23, an unlocking member 24, a first spring 25, and a second spring 26. The fixed base 21 and the folding plate 22 are both groove-shaped structures. The bottom surface of the fixed base 21 is fixedly connected to the left position of the lower surface of the stool surface 3, and the bottom surface of the folding plate 22 is fixedly connected to the bottom surface of the locking plate 11. The width of the folding plate 22 is smaller than the width of the fixed base 21. The fixed base 21 is provided with a first connecting hole 211 on the left side, and the folding plate 22 is provided with a first connecting hole 211 on the right side. A second connecting hole 221 is provided, and the second connecting hole 221 of the folding plate 22 is fixed together with the first connecting hole 211 by bolts. A locking shaft moving groove 222 is opened on the left side of the second connecting hole 221, and the locking shaft 23 is located in the locking shaft moving groove 222. The unlocking piece 24 is a U-shaped structure, which is installed on both sides of the locking shaft 23. The unlocking piece 24 is located on the outside of the folding plate 22. Two fixing rings 212 are designed on the upper surface of the fixed base 21, and one end of the first spring 25 and the second spring 26 is fixedly connected to the fixing ring 212, and the other end is fixedly connected to the locking shaft 23.

[0072] In this embodiment, Fig. 9 As shown, the locking folding buckle 2 is mainly used for the folding and unfolding of the locking mechanism 1. The fixed base 21 is fixed on the lower surface of the stool surface 3, and the folding plate 22 is fixed under the locking plate 11 of the locking mechanism 1. The folding and unfolding are achieved by folding the folding plate 22. The unlocking member 24 limits the angle between the folding plate 22 and the fixed base 21. Through the action of the locking shaft 23, the first spring 25 and the second spring 26 on the locking shaft 23 change their positions under the action of elastic force, thereby changing the angle between the folding plate 22 and the fixed base 21.

[0073] In this embodiment, Fig.11 As shown in FIG. 1 , it is a schematic diagram of a folded state. After the locking folding buckle 2 is folded, its corresponding locking mechanism 1 is folded under the stool surface 2. Fig. 9 The above is a schematic diagram of the 180° unfolded state. After unfolding, the locking mechanism 1 and the stool surface 2 are in a horizontal state. At this time, the folding chair can be fixed on the electric pole through the locking mechanism 1.

[0074] Specifically, the backrest folding buckle 5 is a 90° folding buckle, and the backrest folding buckle 5 includes a backrest base 51, a backrest folding seat 52, a connecting plate 53, a first connecting shaft 54, and a second connecting shaft 55. The backrest base 51 and the backrest folding seat 52 are both groove structures. The width of the backrest folding seat 52 is greater than the width of the backrest base 51. The backrest base 51 is provided with a third connecting hole 511 on the right side, and a moving groove 512 is provided on the left side of the third connecting hole 511. The backrest folding seat 52 is provided with a third connecting hole 512 on the lower side. Four connecting holes 521, the third connecting hole 511 of the backrest base 51 and the fourth connecting hole 521 of the backrest folding seat 52 are fixed together by bolts, the bottom surface of the backrest base 51 is fixedly connected to the right side of the upper surface of the stool surface 3, the bottom surface of the backrest folding seat 52 is fixedly connected to one side of the backrest 4, the connecting plate 53 connects the first connecting shaft 54 ​​and the second connecting shaft 55, the first connecting shaft 54 ​​is installed in the movable groove 512, and the second connecting shaft 55 is fixedly connected above the backrest folding seat 52.

[0075] In this embodiment, Figure 7 As shown, the working process of the backrest folding buckle 5 is as follows: the backrest base 51 is fixedly connected to the upper surface position of the stool surface 3, and the backrest folding seat 52 is fixedly connected to a side position of the backrest 4. When in use, the rotational force applied to the backrest folding seat 52 will cause the second connecting shaft 55 to rotate, and at the same time, the connecting plate 53 connects the first connecting shaft 54 ​​and the second connecting shaft 55. After the second connecting shaft 55 rotates, it drives the connecting plate 53 to move, so that the first connecting shaft 54 ​​moves in the moving groove 512, thereby realizing the folding of the backrest folding seat 52, thereby realizing the folding of the backrest 4 above the stool surface 3, and the overall operation process is simple.

[0076] In this embodiment, Figure 8 , which is a schematic diagram of the backrest folding opening 5 in a folded state. After folding, the backrest folding seat 52 overlaps with the backrest base 51 , so that the backrest 4 is folded on the upper surface of the stool surface 3 .

[0077] Specifically, a positioning buckle is connected to the first connecting shaft 54 ​​.

[0078] In this embodiment, a positioning buckle is provided on the first connecting shaft 54 ​​to fix the position of the first connecting shaft 54 ​​after the first connecting shaft 54 ​​is folded, thereby ensuring effective positioning of the backrest 4.

[0079] In this embodiment, the locking folding buckle 1 is a 180° folding buckle, and the folding plate 22 is rotatably connected to the fixed base 21. The rotation of the folding plate 22 realizes the folding of the locking mechanism 1. After the unlocking member 24 cancels the lock, the locking mechanism 1 is operated to fold to realize the folding of the locking mechanism 1. The backrest folding buckle 5 is a 90° folding buckle. After the positioning buckle cancels the positioning of the backrest folding seat 52, the backrest folding seat 52 is moved to change the angle between it and the backrest base 51, so that the second connecting shaft 55 on the backrest folding seat 52 rotates, and the connecting plate 53 moves in the movable groove 512 under the rotation of the second connecting shaft 55 to realize the folding of the backrest folding seat 52. These two folding methods are simple and convenient to operate, which is convenient for operators to operate in a high-altitude environment.

[0080] Specifically, a limit stopper 31 is designed on the right side of the upper surface of the stool surface 3 .

[0081] In this embodiment, Figure 6 As shown, the limit block 31 is designed so that the maximum angle between the backrest 4 and the stool surface 3 is 90°. The backrest 4 in the right-angle state can provide effective support for the workers during work, relieve fatigue caused by long-term work, and complete the work tasks more efficiently and with high quality.

[0082] In general, in this embodiment, the locking folding buckle 2 in the 180° state and the backrest folding buckle 5 in the 90° state are selected to realize the folding and storage of the device.

[0083] Embodiment 2

[0084] In the above-mentioned embodiment 1, two different types of folding buckles are used to achieve folding. For the convenience of use, the two specifications of folding buckles are unified, and the embodiment 2 is specially proposed.

[0085] Specifically, locking shaft retaining grooves 213 are opened on the upper sides of the fixed base 21 . The retaining grooves 213 are semicircular in structure, and the diameter of the retaining grooves 213 is the same as the diameter of the locking shaft 23 .

[0086] In this embodiment, Fig.10 As shown, it is a schematic diagram of the 90° folding state of the locking folding buckle 2. The locking folding buckle 2 can be in a 90° folding state. In this state, it can be suitable for connecting the backrest 4 and the stool surface 3.

[0087] In this embodiment, the locking shaft locking groove 213 realizes the locking shaft 23 to be locked and fixed, replacing the backrest folding seat 5 for folding.

[0088] Embodiment 3

[0089] Specifically, shoulder straps are designed on both sides of the stool surface 3.

[0090] In this embodiment, in order to facilitate the carrying of the workers, shoulder straps are designed on both sides of the stool surface 3. When the workers use the pedals to climb the electric pole, they carry the folding chair on their backs for easy carrying, thereby improving work efficiency.

[0091] Embodiment 4

[0092] On the basis of the above three embodiments, in order to make the folding chair more applicable to the site of power operation and maintenance and help operators to better carry out their work, embodiment 4 is specially proposed.

[0093] The method for using the folding chair for working at a height of a utility pole comprises the following steps:

[0094] S01: Carrying a folding chair to the height of the electric pole for maintenance, the operator carries the folding chair on his back and climbs to the height of the electric pole where power maintenance is required with the help of footrests;

[0095] S02: Install the locking mechanism 1, remove the folding chair, unfold the locking mechanism 1 to a 180° angle with the stool surface 3, wrap the fixing ring 12 around the pole, use the adjusting ring 13 to clamp the adjusting ring fixing plate 14, and use the limiting plate 15 to fix the position;

[0096] S03: Adjust the angle of the backrest 4. The angle between the backrest 4 and the stool surface 3 is adjusted by adjusting the backrest folding buckle 5. After the angle is adjusted, the first connecting shaft 54 ​​is fixed with the positioning buckle so that the backrest 4 and the stool surface 3 are at 90 degrees.

[0097] S04: Inspection and maintenance: the operator sits on the bench surface 3 with his feet on the footrests to perform inspection and maintenance;

[0098] S05: Put away the folding chair. After the inspection is completed, the operator leaves the bench surface 3.

[0099] Open the positioning buckle, fold the backrest 4, rotate the locking switch 18 to make the adjustment ring 13 disengage from the limit of the adjustment ring fixing plate 14, and fold the backrest 4 above the stool surface 3.

[0100] The locking mechanism 1 is removed from the electric pole, the unlocking member 24 is adjusted to change the angle of the locking folding buckle 2 , and the locking mechanism 1 is folded under the stool surface 3 .

[0101] In this embodiment, Fig.12 As shown, the method clearly stipulates the steps for operators to use the folding chair, which is convenient for operation and improves work efficiency.

[0102] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

[0103] Many other changes and modifications may be made without departing from the concept and scope of the present invention.It should be understood that the present invention is not limited to the specific embodiments, and the scope of the present invention is defined by the appended claims.

Claims

1. A folding chair for working at heights on utility poles, characterized in that: The invention comprises a locking mechanism (1), a locking folding buckle (2), a stool surface (3), a backrest (4), and a backrest folding buckle (5), wherein the locking folding buckle (2) is provided in two pieces, the locking mechanism (1) is installed at the left side of the lower surface of the stool surface (3) through the locking folding buckle (2), the backrest folding buckle (5) is provided in two pieces, and the backrest (4) is installed at the right side of the upper surface of the stool surface (3) through the backrest folding buckle (5). The locking mechanism (1) comprises a locking plate (11), a fixing ring (12), an adjusting ring (13), an adjusting ring fixing plate (14), a limiting plate (15), a telescopic spring (16), a V-shaped clip (17), and a locking switch (18). The locking plate (11) and the fixing ring (12) are integrally formed. One end of the fixing ring (12) is connected to the left side of the locking plate (11). The other end of the fixing ring (12) is provided with a connecting hole. One end of the adjusting ring (13) is provided with a connecting column, and the outer side of the other end is provided with a serrated pattern. The adjusting ring (13) is rotatably connected to the connecting hole of the fixing ring (12) through the connecting column. The middle of the locking plate (11) is a hollow structure. The adjusting ring fixing plate (14) and the limiting plate (15) are installed inside the locking plate (11). The left side of the adjusting ring fixing plate (14) is provided with a connecting column. The adjusting ring fixing plate (14) is fixedly installed inside the locking plate (11), and the upper right side of the adjusting ring fixing plate (14) is a serrated structure. A protrusion (141) is designed below the right side of the adjusting ring fixing plate (14). The limiting plate (15) is located below the adjusting ring fixing plate (14), and a limiting groove (151) is provided on the right side of the limiting plate (15). The limiting groove (151) is adapted to the protrusion (141). The limiting plate (15) is slidably connected to the upper surface of the hollow structure inside the locking plate (11). The right end of the limiting plate (15) is connected to one end of the telescopic spring (16), and the other end of the telescopic spring (16) is fixedly connected to the side of the hollow structure of the locking plate (11). The V-shaped clip (17) is placed in the middle of the adjusting ring fixing plate (14) and the limiting plate (15). The left end of the limiting plate (15) is connected to a locking switch (18).

2. The folding chair for working at height on utility poles according to claim 1, characterized in that: The locking folding buckle (2) is a 180° folding buckle, and the locking folding buckle (2) includes a fixed base (21), a folding plate (22), a locking shaft (23), an unlocking member (24), a first spring (25), and a second spring (26). The fixed base (21) and the folding plate (22) are both groove-shaped structures. The bottom surface of the fixed base (21) is fixedly connected to the left position of the lower surface of the stool surface (3), and the bottom surface of the folding plate (22) is fixedly connected to the bottom surface position of the locking plate (11). The width of the folding plate (22) is smaller than the width of the fixed base (21). The left side of the fixed base (21) is provided with a first connecting hole (211), and the right side of the folding plate (22) is provided with a second connecting hole (212). There is a second connecting hole (221), the second connecting hole (221) of the folding plate (22) and the first connecting hole (211) are fixed together by bolts, a locking shaft moving groove (222) is opened on the left side of the second connecting hole (221), the locking shaft (23) is located in the locking shaft moving groove (222), the unlocking member (24) is a U-shaped structure, installed on both sides of the locking shaft (23), the unlocking member (24) is located on the outside of the folding plate (22), and two fixing rings (212) are designed on the upper surface of the fixed base (21), one end of the first spring (25) and the second spring (26) are fixedly connected to the fixing ring (212), and the other end is fixedly connected to the locking shaft (23).

3. The folding chair for working at height on utility poles according to claim 2, characterized in that: Locking shaft retaining grooves (213) are provided above both sides of the fixed base (21), and the retaining grooves (213) are semicircular in structure, and the diameter of the retaining grooves (213) is the same as the diameter of the locking shaft (23).

4. The folding chair for working at height on utility poles according to claim 1, characterized in that: The backrest folding buckle (5) is a 90° folding buckle. The backrest folding buckle (5) comprises a backrest base (51), a backrest folding seat (52), a connecting plate (53), a first connecting shaft (54), and a second connecting shaft (55). The backrest base (51) and the backrest folding seat (52) are both groove structures. The width of the backrest folding seat (52) is greater than that of the backrest base (51). A third connecting hole (511) is provided on the right side of the backrest base (51), a movable groove (512) is provided on the left side of the third connecting hole (511), and a fourth connecting hole (511) is provided below the backrest folding seat (52). The connecting hole (521) is fixed together by bolts with the third connecting hole (511) of the backrest base (51) and the fourth connecting hole (521) of the folding backrest seat (52). The bottom surface of the backrest base (51) is fixedly connected to the right side of the upper surface of the stool surface (3). The bottom surface of the folding backrest seat (52) is fixedly connected to one side of the backrest (4). The connecting plate (53) connects the first connecting shaft (54) and the second connecting shaft (55). The first connecting shaft (54) is installed in the movable groove (512). The second connecting shaft (55) is fixedly connected above the folding backrest seat (52).

5. The folding chair for working at height on utility poles according to claim 4, characterized in that: A positioning buckle is connected to the first connecting shaft (54).

6. The folding chair for working at height on utility poles according to claim 1, characterized in that: A limit stopper (31) is designed on the right side of the upper surface of the stool surface (3).

7. The folding chair for working at height on utility poles according to claim 1, characterized in that: A sliding groove is provided inside the locking plate (11) below the limiting plate (15), and a sliding bar is designed on the lower surface of the limiting plate (15). The sliding bar is adapted to the size of the sliding groove, and the sliding bar moves left and right in the sliding groove.

8. The folding chair for working at height on utility poles according to claim 1, characterized in that: A handle is installed on the left side of the locking switch (18), and a threaded rod is installed on the right side. A limiting hole is opened on the left side of the limiting plate (15). The size of the limiting hole is adapted to the size of the threaded rod, and the threaded rod can enter the limiting hole. The depth of the limiting hole is 1 cm.

9. The folding chair for working at height on utility poles according to claim 1, characterized in that: Both sides of the stool surface (3) are designed with shoulder straps.

10. The method for using the folding chair according to claims 1 to 9, characterized in that: The following steps are involved: S01: Carrying a folding chair to the height of the utility pole for maintenance, the operator carries the folding chair on his back and uses the footrest to climb to the height of the utility pole where power maintenance is required; S02: Install the locking mechanism (1), remove the folding chair, unfold the locking mechanism (1) to a 180° angle with the stool surface (3), wrap the fixing ring (12) around the pole, use the adjusting ring (13) to clamp the adjusting ring fixing plate (14) at the position, and use the limit plate (15) to fix the position; S03: Adjust the angle of the backrest (4), and adjust the angle between the backrest (4) and the stool surface (3) by adjusting the backrest folding buckle (5). After adjusting the angle, use the positioning buckle to fix the position of the first connecting shaft (54) so ​​that the backrest (4) and the stool surface (3) are at a 90° angle. S04: Inspection and maintenance, the operator sits on the bench (3) with his feet on the footrests to perform inspection and maintenance; S05: Put away the folding chair. After the inspection is completed, the operator leaves the stool (3). Open the positioning buckle, fold the backrest (4), rotate the locking switch (18) to disengage the adjustment ring (13) from the limit of the adjustment ring fixing plate (14), and fold the backrest (4) above the stool surface (3). The locking mechanism (1) is removed from the electric pole, and the unlocking member (24) is adjusted to change the angle of the locking folding buckle (2), and the locking mechanism (1) is folded under the stool surface (3).

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