Stable maintenance ladder for leaning rod and use method

Abstract

The stable maintenance ladder comprises a ladder stand main body and a rod body, a loop bar mechanism is arranged at the top end of the ladder stand main body, the loop bar mechanism is connected to the outer side of the rod body in a sleeving mode, side rods are symmetrically arranged on the sides of the ladder stand main body, and side grooves are formed in the outer sides of the side rods; a following mechanism is arranged in the side groove in a clamped mode and comprises a moving table, a front seat is arranged on the front side of the moving table, an ascending grip is arranged on the outer side of the front seat, and a protective fence is arranged in the front seat in a hinged mode; according to the device, the stability of the crawling ladder body on the rod body is enhanced, falling is further prevented through a dual protection mechanism of the protective guard and the safety hook, and all-around safety guarantee is provided for operators.

Description

Technical Field

[0001] The present invention belongs to the technical field of maintenance auxiliary equipment, and particularly relates to a stable maintenance ladder for a leaning rod and a using method thereof. Background Art

[0002] During the maintenance process of power lines, ladders are often needed for maintenance personnel to climb during power maintenance, so as to maintain the power facilities at higher positions. The current ladders have a simple structure, generally including two side rods and multiple cross rods suitable for climbing. The two side rods serve as fixed sides, and the two ends of the cross rods are respectively connected to the two vertical rods.

[0003] In some cases, it is necessary to place the ladder outside rod-shaped objects such as power poles and signal poles for use. When the ladder is tilted and placed on the rod-shaped object, the bottom of the ladder is prone to slipping on the ground, and the upper part of the ladder relies on the cross rod to contact the rod-shaped object, and the contact area is also small, making it unstable for maintenance personnel to climb and easy to shake, and other personnel are needed to help keep the ladder stable. In addition, during the process of personnel moving up and down, only by grasping the ladder with both hands can the body be kept stable, and as the body moves up and down, the hands need to constantly change the grasping positions, which has a greater potential safety hazard and increases the risk of falling. Summary of the Invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a stable maintenance ladder for a leaning rod and a using method thereof to solve the problems raised in the background art.

[0005] The purpose of the present invention is achieved as follows: A stable maintenance ladder for a leaning rod, which includes a ladder main body and a rod body. A sleeve rod mechanism is arranged at the top end of the climbing rod main body, and the sleeve rod mechanism is sleeved outside the rod body. Side rods are symmetrically arranged on the side of the climbing rod main body, and side grooves are arranged on the outside of the side rods. A follow-up mechanism is clamped and arranged inside the side grooves. The follow-up mechanism includes a moving platform, a front seat is arranged on the front side of the moving platform, an upward grip is arranged on the outside of the front seat, and a guardrail is hinged inside the front seat.

[0006] A support foot is arranged at the bottom of the ladder main body, and the support foot is connected to the ladder main body through a steering shaft.

[0007] A safety hook is fixedly arranged on the lower side of the moving platform.

[0008] The sleeve rod mechanism includes a frame and a clamping ring. Side arms are symmetrically arranged on the front and rear sides of the frame. Sector gears are hinged at the ends of the two side arms. A driving arm is fixedly arranged on the outside of the sector gear. The clamping ring is arranged at the outer end of the driving arm. Inner rods are symmetrically arranged inside the frame. Transmission gears are arranged at the ends of the two inner rods. The transmission gears are meshed with the sector gears, and a bidirectional rack is meshed between the two transmission gears.

[0009] A hinge head is provided between the clamping ring and the driving arm, and a gasket is provided inside the clamping ring.

[0010] A push block is provided at the outer end of the bidirectional rack. The push block is inserted into the interior of the bidirectional rack through a telescopic rod, and a telescopic spring is provided outside the telescopic rod.

[0011] A driving motor is provided on the left side of the frame. A driving screw rod is provided at the output end of the driving motor. A collar is screwed on the outside of the driving screw rod. A connecting shaft is provided between the collar and the bidirectional rack.

[0012] A positioning mechanism is provided between the side rod and the moving platform. The positioning mechanism includes a positioning tooth and a moving foot. The positioning tooth is fixedly provided inside the side groove. The moving foot is located inside the side groove. The moving foot is fixedly connected to the moving platform. A pawl is hinged inside the moving foot. The pawl cooperates with the positioning tooth. A pawl spring is provided between the pawl and the moving foot. A dial is fixedly provided outside the pawl. The dial extends outside the moving platform. A downward grip is provided outside the moving platform.

[0013] A limiting groove is provided on one side of the side groove away from the positioning tooth. The shape of the limiting groove is "T" - shaped, and the moving foot is clamped with the limiting groove.

[0014] A method for using a stable maintenance ladder for a leaning rod, which includes the following steps: Step 1: Before use, ensure that there are no slippery substances such as oil stains and moss on the surface of the rod body, the bottom supports a flat and solid ground, confirm that the functions of all components of the climbing rod main body are normal, remove the obstacles around the rod body, and reserve enough operating space; Step 2: Place the climbing rod main body around the rod body, adjust it to an appropriate height, put the sleeve mechanism at the top of the climbing ladder main body onto the rod body, start the driving motor, and make the clamping ring at the outer end of the driving arm tighten inward, thereby clamping the rod body; Step 3: Unfold the protective fence inside the front seat, connect the safety belt to the safety hook of the moving platform. Personnel hold the upward grip outside the moving platform with both hands, and then can climb along the climbing rod main body. At this time, the moving platform moves upward along the side rod following the personnel. After reaching an appropriate height, normal maintenance work can be started; Step 4: After the maintenance work is completed, when personnel need to move down from the climbing rod main body, hold the downward grip with both hands, press the dial outside the moving platform with the thumb to release the engagement between the pawl and the positioning tooth, then the moving platform can be driven to move down. After personnel reach the ground, disconnect the sleeve mechanism from the rod body, organize and store the device, and recover tools and equipment.

[0015] Advantages of the present invention: The supporting feet are connected by a steering shaft, which can be used to adjust the supporting angle to adapt to different ground surfaces, making the supporting feet fit the ground and enhancing the stability of the ladder main body. Through the coordinated action of the driving motor, the bidirectional rack, and the sector gear, the clamping ring can adapt to rod bodies of different diameters, ensuring a firm socket connection, enhancing the stability of the ladder main body on the rod body, and cooperating with the gasket design to effectively prevent the risk of sliding or falling off. By remotely controlling the driving sleeve rod mechanism, the installation efficiency is effectively improved. The combination of the moving table and the positioning mechanism reduces the physical burden on the operator. The mechanical positioning mechanism drives the pawl to engage with the positioning teeth through a spring to achieve one-way self-locking and prevent accidental sliding of personnel. At the same time, the double protection mechanism of the guardrail and the safety hook further prevents falling, providing comprehensive safety protection for the operators. Brief Description of the Drawings

[0016] Figure 1 It is a structural diagram of the usage state of a stable maintenance ladder for leaning against a rod according to the present invention.

[0017] Figure 2 It is a structural diagram of the accompanying mechanism of a stable maintenance ladder for leaning against a rod according to the present invention.

[0018] Figure 3 It is a structural diagram of the connection between the sleeve rod mechanism and the ladder main body of a stable maintenance ladder for leaning against a rod according to the present invention.

[0019] Figure 4 It is a structural diagram of the sleeve rod mechanism of a stable maintenance ladder for leaning against a rod according to the present invention.

[0020] Figure 5 It is a structural diagram of the driving motor of a stable maintenance ladder for leaning against a rod according to the present invention.

[0021] Figure 6 It is a structural diagram of the positioning mechanism of a stable maintenance ladder for leaning against a rod according to the present invention.

[0022] Figure 7 It is a structural diagram of the side groove of a stable maintenance ladder for leaning against a rod according to the present invention.

[0023] Figure 8 It is a cross-sectional view of the side groove of a stable maintenance ladder for leaning against a rod according to the present invention.

[0024] In the figure: 1, ladder body 2, rod body 3, sleeve rod mechanism 4, side rod 5, side groove 6, accompanying mechanism 7, moving platform 8, front seat 9, upward grip 10, guardrail 11, safety hook 12, support foot 13, change-of-direction shaft 14, frame 15, clamping ring 16, side arm 17, fan gear 18, driving arm 19, inner rod 20, transmission gear 21, two-way rack 22, hinge head 23, push block 24, telescopic rod 25, telescopic spring 26, drive motor 27, drive screw 28, collar 29, connecting shaft 30, positioning tooth 31, moving foot 32, ratchet 33, ratchet spring 34, limit groove 35, paddle 36, downward grip. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Example 1 like Figure 1-2 As shown, a stable maintenance ladder for leaning against a pole comprises a ladder body 1 and a pole body 2, a pole sleeve mechanism 3 is arranged at the top of the pole body 1, the pole sleeve mechanism 3 is sleeved on the outside of the pole body 2, side poles 4 are symmetrically arranged on the sides of the pole body 1, side grooves 5 are arranged on the outside of the side poles 4, and an accompanying mechanism 6 is clamped inside the side grooves 5, and the accompanying mechanism 6 comprises a moving platform 7, a front seat 8 is arranged on the front side of the moving platform 7, an upward handle 9 is arranged on the outside of the front seat 8, and a guardrail 10 is hingedly arranged inside the front seat 8.

[0027] A support leg 12 is disposed at the bottom of the ladder body 1 , and the support leg 12 is connected to the ladder body 1 via a direction-changing shaft 13 .

[0028] A safety hook 11 is fixedly disposed on the lower side of the moving platform 7 .

[0029] When the present invention is in use, the ladder body 1 is placed around the rod body 2, and the placement position and angle of the ladder body 1 are adjusted. According to the actual situation of the ground, the direction of the support leg 12 can be flexibly changed through the change-direction shaft 13, so that the support leg 12 can be stably supported on the ground. The sleeve rod mechanism 3 at the top of the ladder body 1 is sleeved on the outside of the rod body 2 to be repaired, ensuring that the sleeve is tight and stable to avoid slipping during use. The person stands at the bottom of the ladder body 1, opens the guardrail 10 of the accompanying mechanism 6, so that the guardrail 10 and the rod body 2 are in a vertical state, connects the safety belt with the safety hook 11, and starts climbing with both hands holding the upward handle 9. During the climbing process, the accompanying mechanism 6 moves along the side groove of the side bar 4 with the person, and the guardrail 10 protects the person. The person keeps both hands tightly and does not need to change the gripping position, which further increases safety.

[0030] Example 2 likeFigure 1-5 As shown, a stable maintenance ladder for leaning against a pole comprises a ladder body 1 and a pole body 2, a pole sleeve mechanism 3 is arranged at the top of the pole body 1, the pole sleeve mechanism 3 is sleeved on the outside of the pole body 2, side poles 4 are symmetrically arranged on the sides of the pole body 1, side grooves 5 are arranged on the outside of the side poles 4, and an accompanying mechanism 6 is clamped inside the side grooves 5, and the accompanying mechanism 6 comprises a moving platform 7, a front seat 8 is arranged on the front side of the moving platform 7, an upward handle 9 is arranged on the outside of the front seat 8, and a guardrail 10 is hingedly arranged inside the front seat 8.

[0031] For better effect, the bottom of the ladder body 1 is provided with a support foot 12, and the support foot 12 is connected to the ladder body 1 through a direction-changing shaft 13. The design of the direction-changing shaft 13 and the support foot 12 enables the ladder body 1 to flexibly adjust the angle according to the ground conditions, ensuring that the ladder body 1 can remain stable on different terrains.

[0032] For better effect, a safety hook 11 is fixedly arranged on the lower side of the moving platform 7. The safety hook 11 is used to fix the safety belt of the personnel, further reducing the risk of personnel falling.

[0033] For better effect, the sleeve rod mechanism 3 includes a frame 14 and a clamping ring 15. The frame 14 is symmetrically provided with side arms 16 on the front and rear sides. The ends of the two side arms 16 are hinged with fan gears 17. A driving arm 18 is fixedly provided on the outside of the fan gear 17. The clamping ring 15 is arranged at the outer end of the driving arm 18. The inner rod 19 is symmetrically provided on the inner side of the frame 14. The ends of the two inner rods 19 are provided with transmission gears 20. The transmission gear 20 is meshed with the fan gear 17, and a bidirectional rack 21 is meshed between the two transmission gears 20.

[0034] For better effect, a hinge 22 is provided between the clamping ring 15 and the driving arm 18, and a pad is provided inside the clamping ring 15. The pad is made of high friction coefficient rubber material, which can adapt to the surface curvature of the rod body 2, enhance the fit and reduce shaking.

[0035] For better effect, a push block 23 is provided at the outer end of the bidirectional rack 21, and the push block 23 is inserted into the bidirectional rack 21 through a telescopic rod 24, and a telescopic spring 25 is provided on the outer side of the telescopic rod 24. The push block 23 cooperates with the clamping ring 15 to form a three-point stable structure, which can further enhance the stability of the sleeve rod mechanism 3.

[0036] For better effect, a driving motor 26 is arranged on the left side of the frame 14 , a driving screw 27 is arranged at the output end of the driving motor 26 , a collar 28 is threadedly arranged on the outer side of the driving screw 27 , and a connecting shaft 29 is arranged between the collar 28 and the bidirectional rack 21 .

[0037] When the present invention is in use, the ladder main body 1 is placed around the rod body 2, and the placement position and angle of the ladder main body 1 are adjusted. According to the actual situation of the ground, the direction of the support feet 12 can be flexibly changed through the steering shaft 13, so that the support feet 12 can stably support on the ground. The sleeve rod mechanism 3 at the top of the ladder main body 1 is sleeved outside the rod body 2 to be repaired, ensuring tight and stable sleeving to avoid slipping during use. Personnel stand at the bottom of the ladder main body 1, open the guardrail 10 of the accompanying mechanism 6, make the guardrail 10 perpendicular to the rod body 2, connect the safety belt to the safety hook 11, and start climbing while holding the upward grip 9 with both hands tightly. During the climbing process, the accompanying mechanism 6 moves along the side groove of the side rod 4 following the personnel, and the guardrail 10 protects the personnel. The personnel keep their hands tightly held and do not need to change the grasping position, further increasing the safety.

[0038] Furthermore, the sleeve rod mechanism 3 is preferably used as follows: When in use, the clamping ring 15 of the sleeve rod mechanism 3 is aligned with the rod body 2 to be repaired. The driving motor 26 is started, and the output end of the driving motor 26 drives the driving screw 27 to rotate. Under the action of the thread, the sleeve ring 28 will move along the driving screw 27, and the sleeve ring 28 will drive the double-sided rack 21 to move together through the coupling shaft 29. Because the two transmission gears 20 are meshed with the double-sided rack 21, the movement of the double-sided rack 21 will drive the two transmission gears 20 to rotate simultaneously, and the rotation of the transmission gears 20 will drive the sector gear 17 to rotate. The driving arm 18 is fixedly arranged outside the sector gear 17, and the rotation of the sector gear 17 will cause the driving arm 18 to rotate around the hinge point at the end of the side arm 16. When the double-sided rack 21 moves forward or backward, the clamping ring 15 will be driven to contract or expand. When the two clamping rings 15 contract inward simultaneously, the rod body 2 is gradually clamped; when the two clamping rings 15 expand outward simultaneously, the rod body 2 is gradually loosened. During the clamping process, by observing the contact situation between the clamping ring 15 and the rod body 2, the operation of the driving motor 26 is appropriately adjusted so that the clamping ring 15 can tightly and stably clamp on the rod body 2. The gasket inside the clamping ring 15 will closely fit with the rod body 2, increasing the friction force to prevent the ladder main body 1 from slipping during use.

[0039] Embodiment 3 As Figure 1-8 shown, a stable maintenance ladder for leaning against a rod includes a ladder main body 1 and a rod body 2. A sleeve rod mechanism 3 is arranged at the top of the climbing rod main body 1, and the sleeve rod mechanism 3 is sleeved outside the rod body 2. Side rods 4 are symmetrically arranged on the side of the climbing rod main body 1, a side groove 5 is arranged outside the side rods 4, and an accompanying mechanism 6 is clamped inside the side groove 5. The accompanying mechanism 6 includes a moving platform 7, a front seat 8 is arranged on the front side of the moving platform 7, an upward grip 9 is arranged outside the front seat 8, and a guardrail 10 is hinged inside the front seat 8.

[0040] For better effect, feet 12 are provided at the bottom of the ladder main body 1, and the feet 12 are connected to the ladder main body 1 through a steering shaft 13. The design of the steering shaft 13 and the feet 12 enables the ladder main body 1 to flexibly adjust the angle according to the ground conditions, ensuring that the ladder main body 1 can maintain stability on different terrains.

[0041] For better effect, a safety hook 11 is fixedly provided on the lower side of the moving platform 7. The safety hook 11 is used to fix the safety belt of personnel, further reducing the risk of personnel falling.

[0042] For better effect, the sleeve rod mechanism 3 includes a frame 14 and a clamping ring 15. Side arms 16 are symmetrically arranged on the front and rear sides of the frame 14. Sector gears 17 are hinged at the ends of the two side arms 16. A driving arm 18 is fixedly provided on the outside of the sector gear 17. The clamping ring 15 is arranged at the outer end of the driving arm 18. Inner rods 19 are symmetrically arranged inside the frame 14. Transmission gears 20 are arranged at the ends of the two inner rods 19. The transmission gears 20 are meshed with the sector gears 17. A bidirectional rack 21 is meshed between the two transmission gears 20.

[0043] For better effect, a hinge head 22 is arranged between the clamping ring 15 and the driving arm 18. A gasket is arranged inside the clamping ring 15. The gasket is made of a rubber material with a high coefficient of friction, which can adapt to the surface curvature of the rod body 2, enhance the fitting degree, and reduce shaking.

[0044] For better effect, a push block 23 is arranged at the outer end of the bidirectional rack 21. The push block 23 is inserted into the inside of the bidirectional rack 21 through a telescopic rod 24. A telescopic spring 25 is arranged on the outside of the telescopic rod 24. The push block 23 and the clamping ring 15 cooperate with each other to form a three-point stable structure, which can further enhance the stability of the sleeve rod mechanism 3.

[0045] For better effect, a driving motor 26 is arranged on the left side of the frame 14. A driving screw 27 is arranged at the output end of the driving motor 26. A collar 28 is screwed on the outside of the driving screw 27. A connecting shaft 29 is arranged between the collar 28 and the bidirectional rack 21.

[0046] For better effect, a positioning mechanism is arranged between the side rod 4 and the moving platform 7. The positioning mechanism includes a positioning tooth 30 and a moving foot 31. The positioning tooth 30 is fixedly arranged inside the side groove 5. The moving foot 31 is located inside the side groove 5. The moving foot 31 is fixedly connected to the moving platform 7. A pawl 32 is hinged inside the moving foot 31. The pawl 32 cooperates with the positioning tooth 30. A pawl spring 33 is arranged between the pawl 32 and the moving foot 31. A dial 35 is fixedly arranged on the outside of the pawl 32. The dial 35 extends outside the moving platform 7. A downward grip 36 is arranged on the outside of the moving platform 7.

[0047] For better effect, a limiting groove 34 is provided on one side of the side groove 5 away from the positioning tooth 30. The limiting groove 34 is in a "T" shape, and the moving foot 31 is engaged with the limiting groove 34. The moving foot 31 moves along the inside of the side groove 5, and the limiting groove 34 can prevent the moving foot 31 from deflecting.

[0048] A method for using a stable maintenance ladder for leaning against a pole comprises the following steps: Step 1: Before use, make sure that the surface of the pole body 2 is free of oil, moss and other slippery substances, the bottom supporting ground is flat and solid, confirm that all parts of the climbing pole body 1 function normally, remove obstacles around the pole body 2, and reserve enough operating space; Step 2: Place the climbing pole body 1 around the pole body 2, adjust it to a suitable height, insert the rod sleeve mechanism 3 at the top of the climbing pole body 1 into the pole body 2, start the drive motor 26, tighten the clamping ring 15 at the outer end of the drive arm 18 inward, and then clamp the pole body 2; Step 3: unfold the guardrail 10 inside the front seat 8, connect the safety belt with the safety hook 11 of the moving platform 7, and the personnel hold the upward grip 9 on the outer side of the moving platform 7 with both hands to climb along the climbing pole body 1. At this time, the moving platform 7 moves up along the side pole 4 with the personnel. After reaching the appropriate height, the maintenance work can be started normally; Step 4: After the maintenance work is completed, when the personnel need to move down from the climbing pole body 1, they hold the downward handle 36 with both hands, press the paddle 35 on the outside of the transfer platform 7 with their thumbs, release the engagement between the pawl 32 and the positioning tooth 30, and drive the transfer platform 7 to move downward. After the personnel reaches the ground, they release the connection between the rod sleeve mechanism 3 and the pole body 2, organize and store the device, and recover the tools and equipment.

[0049] When the present invention is in use, the ladder body 1 is placed around the rod body 2, and the placement position and angle of the ladder body 1 are adjusted. According to the actual situation of the ground, the direction of the support leg 12 can be flexibly changed through the change-direction shaft 13, so that the support leg 12 can be stably supported on the ground. The sleeve rod mechanism 3 at the top of the ladder body 1 is sleeved on the outside of the rod body 2 to be repaired, ensuring that the sleeve is tight and stable to avoid slipping during use. The person stands at the bottom of the ladder body 1, opens the guardrail 10 of the accompanying mechanism 6, so that the guardrail 10 and the rod body 2 are in a vertical state, connects the safety belt with the safety hook 11, and starts climbing with both hands holding the upward handle 9. During the climbing process, the accompanying mechanism 6 moves along the side groove of the side bar 4 with the person, and the guardrail 10 protects the person. The person keeps both hands tightly and does not need to change the gripping position, which further increases safety.

[0050] Further, the positioning mechanism is preferably used as follows: when climbing the main body 1 of the climbing ladder, hold the upward grip 9 with both hands and move upward along the main body 1 of the ladder. The follower mechanism 6 drives the moving platform 7 to move together. During the upward movement of the moving platform 7, the pawl 32 inside the moving foot 31 always cooperates with the positioning teeth 30 on the inner side of the side groove 5 under the action of the pawl spring 33. The pawl 32 slides along the tooth surface of the positioning teeth 30. When the maintenance personnel stop pushing the moving platform 7, the pawl 32 will be stuck in the tooth groove of the positioning teeth 30 to prevent the moving platform 7 from sliding down, realizing the positioning of the moving platform 7, so that the moving platform 7 and the follower mechanism 6 are always located on the side of the personnel to protect the personnel. When it is necessary to move down from the main body 1 of the ladder, the personnel hold the downward grip 36 tightly and use their fingers to move the paddle 35 extending outside the moving platform 7. The movement of the paddle 35 will drive the pawl 32 to overcome the elastic force of the pawl spring 33, so that the pawl 32 is separated from the positioning teeth 30, releasing the positioning of the moving platform 7, and at this time, the moving platform 7 can be driven to move. During the climbing or downward movement, if the personnel accidentally fall off the main body 1 of the ladder, at this time, under the action of the positioning mechanism, the position of the moving platform 7 will be fixed, and with the cooperation of the safety belt and the safety hook 11, it can prevent the personnel from falling to the ground.

Claims

1. A stable maintenance ladder for a leaning pole, which comprises a ladder main body and a pole body, and is characterized in that: A sleeve rod mechanism is provided at the top end of the climbing rod main body. The sleeve rod mechanism is sleeved on the outer side of the rod body. Side rods are symmetrically arranged on the side of the climbing rod main body. A side groove is arranged on the outer side of the side rod. A following mechanism is clamped and arranged inside the side groove. The following mechanism includes a moving table. A front seat is arranged on the front side of the moving table. An upward grip is arranged on the outer side of the front seat. A guardrail is hinged and arranged inside the front seat.

2. The stable maintenance ladder for a leaning rod according to claim 1, characterized in that: Support feet are arranged at the bottom of the ladder main body. The support feet and the ladder main body are connected by a steering shaft.

3. The stable maintenance ladder for a leaning rod according to claim 1, wherein: A safety hook is fixedly arranged on the lower side of the moving table.

4. The stable maintenance ladder for a leaning rod according to claim 1, wherein: The sleeve rod mechanism includes a frame and a clamping ring. Side arms are symmetrically arranged on the front and rear sides of the frame. Sector gears are hinged and arranged at the ends of the two side arms. A driving arm is fixedly arranged on the outer side of the sector gear. The clamping ring is arranged at the outer end of the driving arm. Inner rods are symmetrically arranged inside the frame. Transmission gears are arranged at the ends of the two inner rods. The transmission gears are meshed with the sector gears. A bidirectional rack is meshed between the two transmission gears.

5. The stable maintenance ladder for a leaning rod according to claim 4, characterized in that: A hinge head is arranged between the clamping ring and the driving arm. A gasket is arranged inside the clamping ring.

6. The stable maintenance ladder for a leaning rod according to claim 5, characterized in that: A push block is arranged at the outer end of the bidirectional rack. The push block is inserted into the bidirectional rack through a telescopic rod. A telescopic spring is arranged on the outer side of the telescopic rod.

7. The stable maintenance ladder for a leaning rod according to claim 6, characterized in that: A driving motor is arranged on the left side of the frame. A driving screw rod is arranged at the output end of the driving motor. A sleeve ring is screwed on the outer side of the driving screw rod. A connecting shaft is arranged between the sleeve ring and the bidirectional rack.

8. The stable maintenance ladder for a leaning rod according to claim 1, characterized in that: A positioning mechanism is arranged between the side rod and the moving table. The positioning mechanism includes a positioning tooth and a moving foot. The positioning tooth is fixedly arranged on the inner side of the side groove. The moving foot is located inside the side groove. The moving foot is fixedly connected with the moving table. A ratchet pawl is hinged and arranged inside the moving foot. The ratchet pawl is matched with the positioning tooth. A ratchet pawl spring is arranged between the ratchet pawl and the moving foot. A dial is fixedly arranged on the outer side of the ratchet pawl. The dial extends out of the moving table. A downward grip is arranged on the outer side of the moving table.

9. The stable maintenance ladder for a leaning rod according to claim 8, characterized in that: A limiting groove is arranged on one side of the side groove away from the positioning tooth. The shape of the limiting groove is "T". The moving foot is clamped with the limiting groove.

10. The usage method of a stable maintenance ladder for a leaning rod according to any one of claims 1-9, characterized in that: It includes the following steps: Step 1: Before use, ensure that there are no slippery substances such as oil stains and moss on the surface of the rod body, the ground supported by the bottom of the ladder is flat and solid, confirm that the functions of all components of the climbing rod main body are normal, remove the obstacles around the rod body, and reserve enough operation space; Step 2: Place the climbing rod main body around the rod body, adjust it to a suitable height, put the sleeve rod mechanism at the top of the ladder main body on the rod body, start the driving motor, and make the clamping ring at the outer end of the driving arm tighten inward, so as to clamp the rod body; Step 3: Unfold the guardrail inside the front seat, connect the safety belt with the safety hook on the moving table. The personnel hold the upward grip on the outer side of the moving table with both hands, and then they can climb along the climbing rod main body. At this time, the moving table follows the personnel and moves upward along the side rod. After reaching a suitable height, the maintenance work can be normally started; Step 4: After the maintenance work is completed and the personnel need to move down from the main body of the climbing pole, hold the downward grip tightly with both hands, press the paddle on the outside of the moving platform with the thumb to release the engagement between the ratchet pawl and the positioning teeth, and then the moving platform can be driven to move down. After the personnel reach the ground, disconnect the sleeve rod mechanism from the pole body, tidy up and store the device, and recycle the tools and equipment.

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