阅读说明：本技术 一种电力检修用具有折叠结构的爬杆装置 (Pole-climbing device with folding structure for electric power overhaul ) 是由 兰新伟 于 2020-06-16 设计创作，主要内容包括：本发明公开了一种电力检修用具有折叠结构的爬杆装置,涉及爬杆装置技术领域,具体为第一爬梯、第三爬梯和夹持机构,所述第一爬梯表面两侧开设有滑槽,所述滑动件侧面与第一爬梯两侧侧面均开设有定位孔,所述第二爬梯顶部两侧侧面固定有转轴,所述第二爬梯表面两侧开设有连接卡槽,所述夹持机构固定于第三爬梯顶部表面,所述第三爬梯表面中部设置有旋转坐垫。该电力检修用具有折叠结构的爬杆装置,将展开后的该爬杆装置斜靠于电线杆上,此时维修人员只需攀爬扶第三爬梯、第二爬梯、第一爬梯即可,与需要人体手部、脚部、腰部一次用力的爬杆装置相对比,该爬杆装置更加省力,更加方便维修人员上下攀爬,无需将大量体力浪费在攀爬过程上。(The invention discloses a pole climbing device with a folding structure for electric power overhaul, and relates to the technical field of pole climbing devices, in particular to a first ladder stand, a third ladder stand and a clamping mechanism, wherein sliding grooves are formed in two sides of the surface of the first ladder stand, positioning holes are formed in the side face of a sliding part and the side face of the two sides of the first ladder stand, rotating shafts are fixed on the side faces of the two sides of the top of the second ladder stand, connecting clamping grooves are formed in two sides of the surface of the second ladder stand, the clamping mechanism is fixed on the surface of the top of the third ladder stand, and a rotary cushion is arranged in the middle. This electric power overhauls is with climbing rod device that has beta structure, this climbing rod device after will expanding leans on to one side on the wire pole, and maintenance personal only need scramble hold up third cat ladder, second cat ladder, first cat ladder can this moment, with the climbing rod device relative ratio that needs human hand, foot, waist once to use strength, this climbing rod device is more laborsaving, makes things convenient for maintenance personal to scramble from top to bottom more, need not to waste a large amount of physical power in the climbing process.)

1. The utility model provides an electric power overhauls with climbing rod device that has beta structure, includes first cat ladder (1), third cat ladder (11) and fixture (14), its characterized in that: the ladder is characterized in that sliding grooves (2) are formed in two sides of the surface of the first ladder stand (1), a sliding part (3) is arranged inside each sliding groove (2), the top of each sliding part (3) is connected with a second ladder stand (4), positioning holes (5) are formed in the side faces of each sliding part (3) and the side faces of two sides of each first ladder stand (1), fixing plug pins (6) penetrate through the positioning holes (5), buckles (7) are fixed on the side faces of each second ladder stand (4), chain ropes (8) penetrate through the buckles (7), rotating shafts (9) are fixed on the side faces of two sides of the top of each second ladder stand (4), the outer wall of each rotating shaft (9) is wrapped by a rotating part (10), each third ladder stand (11) is connected to the outer end of each rotating part (10), a connecting clamping part (12) is arranged at one end of each third ladder stand (11), connecting clamping grooves, the clamping mechanism (14) is fixed on the top surface of the third ladder stand (11), and a rotary cushion (15) is arranged in the middle of the surface of the third ladder stand (11).

2. The pole-climbing device with the folding structure for electric power overhaul according to claim 1, wherein: the second ladder stand (4) and the first ladder stand (1) are distributed in a parallel mode, the second ladder stand (4) forms an adjustable structure through the sliding piece (3), the sliding groove (2) and the first ladder stand (1), and the top of the sliding piece (3) protrudes out of the surface of the first ladder stand (1).

3. The pole-climbing device with the folding structure for electric power overhaul according to claim 1, wherein: the positioning holes (5) are distributed on the side faces of the two sides of the first ladder stand (1) at equal intervals, and the positioning holes (5) on the side faces of the sliding piece (3) are mutually overlapped with the positioning holes (5) on the side faces of the two sides of the first ladder stand (1).

4. The pole-climbing device with the folding structure for electric power overhaul according to claim 1, wherein: the second ladder stand (4) forms a positioning structure with the first ladder stand (1) through a fixing plug (6), a positioning hole (5), and the fixing plug (6) forms an anti-falling structure with the second ladder stand (4) through a retaining ring (7), a chain rope (8).

5. The pole-climbing device with the folding structure for electric power overhaul according to claim 1, wherein: the third ladder stand (11) and the second ladder stand (4) support form a folding structure through the rotating part (10), the rotating shaft (9), the third ladder stand (11) and the rotating part (10) form a welding integrated structure, and the third ladder stand (11) and the second ladder stand (4) form a clamping structure through the connecting clamping piece (12) and the connecting clamping groove (13).

6. The pole-climbing device with the folding structure for electric power overhaul according to claim 1, wherein: clamping mechanism (14) are including adjusting box (1401), thread groove (1402), screw thread post (1403), rotate handle (1404), bearing (1405), holder (1406) and protection pad (1407), and inside screw thread groove (1402) of having seted up of adjusting box (1401), screw thread groove (1402) internal connection has screw thread post (1403), and screw thread post (1403) outer end is provided with rotates handle (1404), screw thread post (1403) inner end is connected with bearing (1405), and bearing (1405) outer wall is fixed with holder (1406), holder (1406) medial surface is provided with protection pad (1407).

7. The pole-climbing device with the folding structure for electric power overhaul according to claim 6, wherein: the threaded columns (1403) are in threaded connection with the adjusting box (1401) through the threaded grooves (1402), the threaded columns (1403) are symmetrically distributed around the vertical center line of the adjusting box (1401), the threaded columns (1403) and the clamping pieces (1406) are vertically distributed, the inner walls of the clamping pieces (1406) are of arc-shaped structures, and the clamping pieces (1406) form anti-skidding structures through the protective pads (1407).

8. The pole-climbing device with the folding structure for electric power overhaul according to claim 1, wherein: rotatory cushion (15) are including support column (1501), axis of rotation (1502), seat frame (1503), cushion (1504), small-size axis of rotation (1505) and restriction pole (1506), and support column (1501) bottom surface is provided with axis of rotation (1502), axis of rotation (1502) surface is connected with seat frame (1503), and seat frame (1503) top is provided with cushion (1504), seat frame (1503) top side all is provided with small-size axis of rotation (1505) with support column (1501) top surface, and small-size axis of rotation (1505) surface connection has restriction pole (1506).

9. The pole-climbing device with a folding structure for electric power overhaul according to claim 8, wherein: the cushion (1504) and the seat frame (1503) form a rotating structure through the rotating shaft (1502) and the supporting column (1501), and the seat frame (1503) forms a limiting structure through the small rotating shaft (1505), the limiting rod (1506) and the supporting column (1501).

Technical Field

The invention relates to the technical field of pole climbing devices, in particular to a pole climbing device with a folding structure for electric power overhaul.

Background

Power maintenance mostly needs high altitude construction, needs the staff to scramble the wire pole and to maintain the operation to cable, electronic box until the electric wire pole top, thereby need wear the pole-climbing device when climbing in order to improve convenience and security when the staff scrambles, the pole-climbing device uses the mode that needs staff's hand, foot, waist application of force in proper order to realize that the carrier climbs along the wire pole surface upwards.

The existing pole climbing device needs the working personnel to continuously perform corresponding force application action to realize climbing up and down when in use, so that the working personnel consumes a large amount of physical power before the maintenance operation is not started, the workload of the working personnel is increased, and the post-period power maintenance operation is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a pole-climbing device with a folding structure for electric power overhaul, which solves the problems that the pole-climbing device provided in the background art needs corresponding force application actions of workers continuously to realize climbing up and down when in use, so that the workers consume a large amount of physical power before the maintenance operation is not started, the workload of the workers is increased, and the later-stage electric power maintenance operation is not facilitated.

In order to achieve the purpose, the invention is realized by the following technical scheme: a pole-climbing device with a folding structure for electric power overhaul comprises a first ladder stand, a third ladder stand and a clamping mechanism, wherein sliding grooves are arranged on two sides of the surface of the first ladder stand, a sliding part is arranged in the sliding groove, the top of the sliding part is connected with a second ladder stand, the side surface of the sliding part and the side surfaces of the two sides of the first ladder stand are both provided with positioning holes, a fixing plug is penetrated in the positioning hole, a retaining ring is fixed on the side surface of the second ladder stand, a chain rope is penetrated in the retaining ring, a rotating shaft is fixed on the side surfaces of two sides of the top of the second ladder stand, the outer wall of the rotating shaft is wrapped with a rotating part, the third ladder stand is connected with the outer end of the rotating part, one end of the third ladder stand is provided with a connecting clamping part, connecting clamping grooves are formed in two sides of the surface of the second crawling ladder, the clamping mechanism is fixed to the top surface of the third crawling ladder, and a rotary cushion is arranged in the middle of the surface of the third crawling ladder.

Optionally, the second ladder stand and the first ladder stand are distributed in a parallel manner, the second ladder stand and the first ladder stand form an adjustable structure through the sliding part, the sliding groove and the first ladder stand, and the top of the sliding part protrudes out of the surface of the first ladder stand.

Optionally, the positioning holes are equidistantly distributed on the two side surfaces of the first ladder stand, and the positioning holes on the side surface of the sliding part and the positioning holes on the two side surfaces of the first ladder stand are overlapped.

Optionally, the second ladder stand forms a positioning structure with the first ladder stand through the fixing plug, the positioning hole, and the fixing plug forms an anti-falling structure with the second ladder stand through the retaining ring and the chain rope.

Optionally, the third ladder stand forms a folding structure with the second ladder stand support through the rotating part, the rotating shaft, a welding integrated structure is formed between the third ladder stand and the rotating part, and a clamping structure is formed between the third ladder stand and the second ladder stand through the connecting clamping part, the connecting clamping groove and the second ladder stand.

Optionally, fixture includes regulating box, thread groove, screw thread post, rotates handle, bearing, holder and protection pad, and the inside thread groove of having seted up of regulating box, thread groove internal connection has the screw thread post, and screw thread post outer end is provided with and rotates the handle, screw thread post inner is connected with the bearing, and the bearing outer wall is fixed with the holder, the holder medial surface is provided with the protection pad.

Optionally, the screw thread post passes through and constitutes threaded connection between thread groove and the regulating box, and about the vertical central line symmetric distribution of regulating box between the screw thread post, be vertical form between screw thread post and the holder and distribute, and the holder inner wall is the arc structure, and the holder passes through the protection and fills up constitution non-slip structure moreover.

Optionally, rotatory cushion includes support column, axis of rotation, seat frame, cushion, small-size axis of rotation and restriction pole, and support column bottom surface is provided with the axis of rotation, the axis of rotation surface connection has the seat frame, and the seat frame top is provided with the cushion, seat frame top side all is provided with small-size axis of rotation with support column top surface, and small-size axis of rotation surface connection has the restriction pole.

Optionally, the cushion and the seat frame form a rotating structure between the rotating shaft and the supporting column, and the seat frame forms a limiting structure between the small rotating shaft, the limiting rod and the supporting column.

The invention provides a pole-climbing device with a folding structure for electric power overhaul, which has the following beneficial effects:

1. this electric power overhauls is with climbing rod device that has beta structure makes it use the pivot to rotate as the centre of a circle through clockwise promotion third cat ladder until the third cat ladder side is close to mutually with the side of second cat ladder, and the third cat ladder is the rugosity with the second cat ladder this moment, should be provided with and do benefit to the volume that reduces this climbing rod device, makes things convenient for the staff to store it in the car inner space of vehicle for power maintenance.

2. This electric power overhauls is with climbing rod device that has beta structure, make it use the pivot to rotate as the centre of a circle through anticlockwise promotion third cat ladder until the connection fastener card of third cat ladder one end goes into inside the connecting slot on second cat ladder surface, the third cat ladder can be favorable to enlarging this climbing rod device's application range as the extension of second cat ladder this moment, and the second cat ladder passes through the inside back and forth slip of spout that first cat ladder surface can be followed to the slider, thereby further adjust the length and size of device, so that maintenance person arrives the not maintenance position of co-altitude and carries out electric power maintenance right.

3. This electric power overhauls is with climbing rod device that has beta structure, this climbing rod device is by the third cat ladder, the second cat ladder, first cat ladder is constituteed, only need with the third cat ladder, the second cat ladder, first cat ladder expand reach certain length and the wire pole top need maintain the department highly similar can, this climbing rod device after will expanding leans on the wire pole to one side, maintenance personal only need scramble this third cat ladder this moment, the second cat ladder, first cat ladder can, with the human hand of needs, the foot, the climbing rod device relative ratio of waist strength once, this climbing rod device is more laborsaving, make things convenient for maintenance personal to scramble from top to bottom more, need not to waste a large amount of physical power in the climbing process.

4. This electric power overhauls is with climbing rod device that has beta structure, third cat ladder surface is provided with rotatory cushion, only need manual outside pulling cushion can pull it out, make things convenient for maintenance personal to maintain with the position of sitting form, improve maintenance personal's comfort level, the condition of avoiding the maintenance to stand the shank that leads to for a long time and sending out the numb produces, the cushion can avoid the cushion excessively rotatory through the restriction that receives the restriction pole when the axis of rotation is rotatory to certain angle in addition, improve the cushion simultaneously, the firmness of being connected between seat frame and the support column.

5. This electric power overhauls with climbing rod device that has beta structure, the third cat ladder leans on to one side in the wire pole surface, and the wire pole is located between the holder this moment, thereby it makes to be close to each other between the screw post and makes the holder be close to each other until the holder medial surface pastes in the wire pole surface through twisting and rotating the handle, and the holder medial surface is personally submitted arc structure and is laminated with the wire pole surface mutually, should be provided with and do benefit to and prevent that this climbing rod device from taking place crooked, the phenomenon of sideslipping, improvement maintenance personal's security.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a front view of the first ladder of the present invention;

FIG. 3 is a schematic view of a connecting structure of the connecting clip and the connecting slot of the present invention;

FIG. 4 is a schematic elevation view of a third ladder according to the present invention;

FIG. 5 is a schematic top view of the regulating box of the present invention;

FIG. 6 is a schematic side view of a support post according to the present invention;

fig. 7 is a schematic perspective view of the first ladder stand of the present invention.

In the figure: 1. a first ladder stand; 2. a chute; 3. a slider; 4. a second ladder stand; 5. positioning holes; 6. fixing the plug; 7. a retaining ring; 8. a chain rope; 9. a rotating shaft; 10. a rotating member; 11. a third ladder stand; 12. connecting clamping pieces; 13. a connecting clamping groove; 14. a clamping mechanism; 1401. an adjusting box; 1402. a thread groove; 1403. a threaded post; 1404. rotating the grip; 1405. a bearing; 1406. a clamping member; 1407. a protective pad; 15. rotating the cushion; 1501. a support pillar; 1502. a rotating shaft; 1503. a seat frame; 1504. a cushion; 1505. a small rotating shaft; 1506. a restraining bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution: a pole-climbing device with a folding structure for electric power overhaul comprises a first ladder stand 1, a third ladder stand 11 and a clamping mechanism 14, wherein sliding grooves 2 are arranged on two sides of the surface of the first ladder stand 1, a sliding part 3 is arranged in the sliding groove 2, a second ladder stand 4 is connected with the top of the sliding part 3, the second ladder stand 4 and the first ladder stand 1 are distributed in parallel, and the second ladder stand 4 forms an adjustable structure with the first ladder stand 1 through the sliding part 3 and the sliding groove 2, the top of the sliding part 3 protrudes out of the surface of the first ladder stand 1, the second ladder stand 4 can slide back and forth along the inner part of the sliding groove 2 arranged on the surface of the first ladder stand 1 through the sliding part 3 at the bottom of the second ladder stand, the arrangement is beneficial to adjusting the length of the pole-climbing device, thereby expanding the application range of the pole-climbing device, the second ladder stand 4 and the first ladder stand 1 are distributed in parallel, so that the second ladder stand 4 and the first ladder stand 1 are prevented from being rubbed when sliding;

the side surface of the sliding part 3 and the side surfaces of two sides of the first ladder stand 1 are both provided with positioning holes 5, the positioning holes 5 are internally penetrated with fixing plugs 6, the side surface of the second ladder stand 4 is fixed with a retaining ring 7, a chain rope 8 is penetrated in the retaining ring 7, the positioning holes 5 are distributed on the side surfaces of two sides of the first ladder stand 1 at equal intervals, the positioning holes 5 on the side surface of the sliding part 3 and the positioning holes 5 on the side surfaces of two sides of the first ladder stand 1 are mutually overlapped, the second ladder stand 4 forms a positioning structure through the fixing plugs 6 and the positioning holes 5 and the first ladder stand 1, the fixing plugs 6 form an anti-falling structure through the retaining ring 7 and the chain rope 8 and the second ladder stand 4, when the length of the climbing rod device is determined, the positioning holes 5 on the side surface of the sliding part 3 are overlapped with a certain positioning hole 5 on the side surfaces of two sides of the first ladder stand 1, at the moment, the second crawling ladder 4 is prevented from slipping off, one side of the fixing plug 6 is connected with the chain rope 8, the other end of the chain rope 8 is connected with the buckle ring 7, and the arrangement is favorable for preventing the fixing plug 6 from falling off through the chain rope 8;

the side surfaces of two sides of the top of the second ladder stand 4 are fixed with a rotating shaft 9, the outer wall of the rotating shaft 9 is wrapped by a rotating part 10, a third ladder stand 11 is connected with the outer end of the rotating part 10, one end of the third ladder stand 11 is provided with a connecting clamping piece 12, two sides of the surface of the second ladder stand 4 are provided with connecting clamping grooves 13, the third ladder stand 11 forms a folding structure through the rotating part 10, the rotating shaft 9 and a bracket of the second ladder stand 4, the third ladder stand 11 and the rotating part 10 are in a welding integrated structure, the third ladder stand 11 forms a clamping structure through the connecting clamping piece 12 and the connecting clamping grooves 13 and the second ladder stand 4, the third ladder stand 11 is pushed anticlockwise to rotate by taking the rotating shaft 9 as a circle center until the connecting clamping piece 12 at one end of the third ladder stand 11 is clamped into the connecting clamping groove 13 on the surface of the second ladder stand 4, at the moment, the third ladder stand, the third ladder stand 11 is pushed clockwise to rotate around the rotating shaft 9 until the side face of the third ladder stand 11 is close to the side face of the second ladder stand 4, and the third ladder stand 11 and the second ladder stand 4 are folded at the moment, so that the size of the climbing rod device is favorably reduced, and the climbing rod device is convenient for workers to store in the space in the vehicle of the power maintenance vehicle;

the clamping mechanism 14 is fixed on the top surface of the third ladder stand 11, the clamping mechanism 14 comprises an adjusting box 1401, a thread groove 1402, a thread column 1403, a rotating handle 1404, a bearing 1405, a clamping member 1406 and a protective pad 1407, the thread groove 1402 is formed in the adjusting box 1401, the thread column 1403 is connected with the thread groove 1402, the rotating handle 1404 is arranged at the outer end of the thread column 1403, the bearing 1405 is connected with the inner end of the thread column 1403, the clamping member 1406 is fixed on the outer wall of the bearing 1405, the protective pad 1407 is arranged on the inner side surface of the clamping member 1406, the thread column 1403 is in threaded connection with the adjusting box 1401 through the thread groove 1402, the thread columns 1403 are symmetrically distributed around the vertical central line of the adjusting box 1401, the thread columns 1403 and the clamping member 1406 are vertically distributed, the inner wall of the clamping member 1406 is in an arc structure, the clamping member 1406 forms an anti-skid structure through the protective pad 1407, the third, at the moment, the telegraph pole is positioned between the clamping pieces 1406, the grip 1404 is screwed and rotated to enable the threaded columns 1403 to be close to each other, so that the clamping pieces 1406 are close to each other until the inner side surfaces of the clamping pieces 1406 are attached to the surface of the telegraph pole, the inner side surfaces of the clamping pieces 1406 are in an arc-shaped structure and are attached to the surface of the telegraph pole, the arrangement is favorable for preventing the pole climbing device from being inclined and sideslipped, the safety of maintenance personnel is improved, the protective pad 1407 adopts a rubber pad, the anti-skid effect is favorable for improving the attaching tightness between the clamping pieces 1406 and the surface of the telegraph pole, and the protective pad 1407 is favorable for preventing the clamping pieces 1406 from being directly contacted with the surface of the telegraph pole;

the middle part of the surface of the third ladder stand 11 is provided with a rotary cushion 15, the rotary cushion 15 comprises a support column 1501, a rotating shaft 1502, a seat frame 1503, a cushion 1504, a small rotating shaft 1505 and a limiting rod 1506, the surface of the bottom end of the support column 1501 is provided with the rotating shaft 1502, the surface of the rotating shaft 1502 is connected with the seat frame 1503, the top of the seat frame 1503 is provided with the cushion 1504, the side surface of the top end of the seat frame 1503 and the surface of the top of the support column 1501 are both provided with the small rotating shaft 1505, the surface of the small rotating shaft 1505 is connected with the limiting rod 1506, the cushion 1504 and the seat frame 1503 form a rotary structure through the rotating shaft 1502 and the support column 1501, the seat frame 1503 forms a limiting structure through the small rotating shaft 1505 and the limiting rod 1506 and the support column 1501, the surface of the third ladder stand 11, the condition of avoiding the maintenance to stand for a long time and causing the shank to send out numb produces, receives the restriction of restriction pole 1506 when cushion 1504 rotates to certain angle through axis of rotation 1502 moreover and can avoid cushion 1504 excessively to rotate, improves the firmness of being connected between cushion 1504, seat frame 1503 and the support column 1501 simultaneously.

In summary, the climbing pole device with the folding structure for electric power overhaul is used, when the climbing pole device is used, the climbing pole device is firstly moved to a position below a telegraph pole to be maintained, then the third ladder stand 11 is pushed anticlockwise to rotate around the rotating shaft 9 until the connecting clamping piece 12 at one end of the third ladder stand 11 is clamped into the connecting clamping groove 13 on the surface of the second ladder stand 4, at the moment, the third ladder stand 11 can be used as an extension part of the second ladder stand 4 to be beneficial to expanding the use range of the climbing pole device, then the climbing pole device is leaned against the surface of the telegraph pole, if the height of the climbing pole device cannot reach a specified height, the second ladder stand 4 can be pushed to slide back and forth through the sliding piece 3 at the bottom of the second ladder stand 3 along the inside of the sliding groove 2 formed in the surface of the first ladder stand 1, the arrangement is beneficial to adjusting the length of the climbing pole device, so as to expand the use range of the climbing pole device again, and when the length of the climbing pole device is enough At this time, the length of the pole climbing device can be fixed by inserting the fixing plug 6 into the positioning hole 5, the second ladder stand 4 is prevented from slipping off, one side of the fixing plug 6 is connected with the chain rope 8, the other end of the chain rope 8 is connected with the retaining ring 7, the arrangement is favorable for preventing the fixing plug 6 from falling off through the chain rope 8, then the pole climbing device leans against the surface of the pole, the pole is positioned between the clamping pieces 1406, the threaded columns 1403 are mutually close by screwing the rotating handle 1404, so that the clamping pieces 1406 are mutually close until the inner side surfaces of the clamping pieces 1406 are attached to the surface of the pole, the inner side surfaces of the clamping pieces 1406 are in an arc structure and are attached to the surface of the pole, the arrangement is favorable for preventing the pole climbing device from skewing and sideslipping, the safety of maintenance personnel is improved, and finally, the maintenance personnel can climb the first ladder stand 1 and the second ladder stand 4, Third cat ladder 11 reachs maintenance department, manual outside pulling cushion 1504 can pull it out again, make things convenient for maintenance personal to maintain with the position of sitting form, improve maintenance personal's comfort level, the condition of avoiding the maintenance to stand the shank that leads to for a long time and sending out numb produces, cushion 1504 receives the restriction of restriction pole 1506 when rotatory to certain angle through axis of rotation 1502 can avoid cushion 1504 excessively to rotate moreover, improve the firmness of being connected between cushion 1504, seat frame 1503 and support column 1501 simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.