Safety escalator with stable supporting structure for electric power maintenance
By designing a safety escalator for electrical maintenance with a stable support structure, the problems of poor support effect and non-adjustable length were solved, achieving improved stability and high flexibility, and meeting the maintenance needs of power equipment.
Patent Information
- Application Number
- CN202423209721.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing safety ladders for electrical maintenance have poor support without wall support, and their length is difficult to adjust to meet the maintenance needs of electrical equipment at different heights.
A safety escalator with a stable support structure was designed, including the escalator body, base, fixed rod, and support mechanism. The stability and length adjustment of the escalator are achieved through a triangular stabilizing mechanism and an elastic telescopic mechanism.
It improves the stability and flexibility of the escalator, and can adjust the climbing height according to the site conditions to meet the maintenance needs of different electrical equipment.
Smart Images

Figure CN223739288U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of safe ladders for maintenance, in particular to a safe ladder for power and electrical maintenance with a stable support structure. BACKGROUND
[0002] Power and electrical maintenance refers to the professional maintenance and troubleshooting repair work of power and electrical equipment by technical engineers or professional electricians, which involves the inspection, maintenance and repair of devices such as generators, transformers, power lines and circuit breakers to ensure normal operation and safe production of the equipment; the safe ladder for power and electrical maintenance usually refers to a safety ladder specially used by electricians during high-altitude work such as power and electrical equipment maintenance and repair. This type of ladder not only requires the function of a normal ladder, but also must emphasize safety and stability to meet the special requirements of the power and electrical work environment.
[0003] In order to maintain the faulty power equipment, the safe ladder is needed to assist, first move the ladder body near the faulty power equipment, then clean the ground of the area to ensure that there are no debris and dust, then lean the ladder body against the wall, at this time the base is attached to the ground, then rotate the fixed insertion rod and insert it into the pre-set hole in the ground, then fix the bottom end of the ladder to the ground, then let the staff climb the ladder to change their height, reach the faulty power equipment for maintenance; but during the use of the safe ladder, without the assistance of the wall, the support effect of the ladder placed on the ground is poor, and the length of the ladder is difficult to adjust during use, which leads to the fixed height of the ladder that can be climbed, and the staff is difficult to adjust the height of the ladder that can be climbed according to the on-site situation, thereby affecting the use of the safe ladder. SUMMARY
[0004] The utility model aims at providing a safe ladder for power and electrical maintenance with a stable support structure to solve the problems in the background technology.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: A safe escalator for electric power electrical maintenance with stable support structure, including the escalator main part, base and fixed plug bar, the bottom end of the escalator main part is welded with base, and the inside both sides of base are threadedly connected with fixed plug bar, the middle part of the outer wall of escalator main part is provided with support mechanism, and support mechanism includes extension escalator, fixed seat, rotary seat, threaded column, thread barrel, base, threaded rod, sliding rail, sliding slot, positioning pin, guide plate, threaded pin, limiting seat, limiting piece and spring, the outer wall of extension escalator is slidably connected with the one side of the outer wall of escalator main part, and the one side of extension escalator close to escalator main part is provided with sliding slot, and the inside of sliding slot is connected with sliding rail, the bottom end of the outer wall of extension escalator is welded with fixed seat, and the inside of fixed seat is rotatably connected with rotary seat, the bottom end of the outer wall of rotary seat is welded with threaded column, and the outer wall of threaded column is threadedly connected with thread barrel, and the bottom end of thread barrel is connected with base through bearing seat.
[0006] Preferably, the inside both sides of the base are threadedly connected with threaded rods, the escalator main part, the extension escalator, the threaded column, the thread barrel and the base form a triangular stabilizing mechanism, the sliding rail is welded to the escalator main part on one side of the outer wall, and the sliding rail has a "T" shape structure.
[0007] Preferably, the outer wall of the sliding rail is connected with the positioning pin through the positioning hole, the outer wall of the positioning pin is welded with the guide plate on one side, and the guide plate is threadedly connected with the threaded pin in the middle part.
[0008] Preferably, the outer wall of the extension escalator is provided with the limiting hole corresponding to the positioning pin on one side, and the limiting holes are distributed at equal intervals, the outer wall of the sliding rail is provided with the threaded hole corresponding to the threaded pin on the side close to the positioning pin, and the positioning pin, the guide plate and the threaded pin have an "E" shape structure.
[0009] Preferably, the bottom end of the outer wall of the extension escalator is welded with the limiting seat on both sides, the inside of the limiting seat is slidably connected with the limiting piece, and the outer wall of the limiting piece is sleeved with the spring in the middle part.
[0010] Preferably, the limiting seat, the limiting piece and the spring form an elastic telescopic mechanism, and the limiting piece has an "L" shape structure.
[0011] Compared with the prior art, the utility model has the beneficial effects that: when the safe escalator for electric power electrical maintenance with stable support structure is used, the base is fixed through the support mechanism, at this time, the escalator main part, the extension escalator, the threaded column, the thread barrel and the base form a triangular stabilizing mechanism, thereby improving the stability and safety of the safe escalator; and after the extension escalator is moved to the specified position and fixed, the total length of the safe escalator is adjusted, so that the climbable height corresponds to the on-site situation, and the flexibility during use is improved, thereby playing the roles of facilitating stable support and adjusting the climbable height when the safe escalator for electric power electrical maintenance is used. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the front view three-dimensional structure schematic view of the utility model;
[0013] Figure 2 It is the top view three-dimensional structure schematic view of the utility model;
[0014] Figure 3 It is the escalator main body three-dimensional structure schematic view of the utility model;
[0015] Figure 4 It is the extension escalator three-dimensional structure schematic view of the utility model;
[0016] Figure 5 It is the thread column three-dimensional structure schematic view of the utility model;
[0017] Figure 6 It is the extension escalator three-dimensional cut structure schematic view of the utility model;
[0018] Figure 7 It is the limiting seat three-dimensional structure schematic view of the utility model.
[0019] In the drawing: 1, escalator main body; 2, base; 3, fixed insertion rod; 4, support mechanism; 401, extension escalator; 402, fixed seat; 403, rotating seat; 404, thread column; 405, thread cylinder; 406, base; 407, thread rod; 408, slide rail; 409, sliding groove; 410, positioning pin; 411, guide plate; 412, thread pin; 413, limiting seat; 414, limiting piece; 415, spring. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Please refer to Figures 1-7The utility model provides a technical scheme: a safe escalator for electric power electrical maintenance with stable support structure, including escalator main body 1, base 2 and fixed plug bar 3, the bottom end welding of escalator main body 1 has base 2, and the inside both sides screw thread connection of base 2 has fixed plug bar 3, and the middle part of the outer wall of escalator main body 1 is provided with support mechanism 4, and support mechanism 4 includes extension escalator 401, fixed seat 402, rotary seat 403, threaded column 404, threaded cylinder 405, base 406, threaded rod 407, sliding rail 408, sliding slot 409, positioning pin 410, guide plate 411, threaded pin 412, limiting seat 413, limiting piece 414 and spring 415, and the outer wall of extension escalator 401 is slidably connected with one side of escalator main body 1, and the side close to escalator main body 1 of extension escalator 401 is provided with sliding slot 409, and the inside connection of sliding slot 409 has sliding rail 408, and the bottom end welding of the outer wall of extension escalator 401 has fixed seat 402, and the inside rotary joint of fixed seat 402 has rotary seat 403, and the bottom end welding of the outer wall of rotary seat 403 has threaded column 404, and the outer wall screw thread connection of threaded column 404 has threaded cylinder 405, and the bottom end of threaded cylinder 405 is connected with base 406 through bearing seat;The inside both sides screw thread connection of base 406 has threaded rod 407, and the triangular stable mechanism is formed between escalator main body 1, extension escalator 401, threaded column 404, threaded cylinder 405 and base 406, and the outer wall of sliding rail 408 is welded with escalator main body 1 on one side, and sliding rail 408 is in the form of T-shaped structure;The outer wall of sliding rail 408 is connected with positioning pin 410 through positioning hole, and the outer wall one side of positioning pin 410 is welded with guide plate 411, and the middle part screw thread connection of guide plate 411 has threaded pin 412;The outer wall one side of extension escalator 401 is provided with limiting hole corresponding with positioning pin 410, and limiting hole is in the form of equidistance distribution, and the outer wall one side close to positioning pin 410 of sliding rail 408 is provided with threaded hole corresponding with threaded pin 412, and positioning pin 410, guide plate 411 and threaded pin 412 are in the form of E-shaped structure;The both sides welding of extension escalator 401 top end has limiting seat 413, and the inside sliding joint of limiting seat 413 has limiting piece 414, and the middle part sleeve joint of limiting piece 414 outer wall has spring 415;Limiting seat 413, limiting piece 414 and spring 415 form elastic telescopic mechanism, and limiting piece 414 is in the form of L-shaped structure;The inner wall of escalator main body 1 and extension escalator 401 is connected with equidistance stand, and sliding rail 408 is about the vertical center line of escalator main body 1 and is in the form of symmetrical distribution.
[0022] In specific implementation, in the process of assisting the staff to maintain the power equipment through the safety escalator, when the escalator body 1 is attached to the wall and the base 2 is attached to the ground, because the fixed seat 402 and the rotating seat 403 are rotationally connected, the threaded column 404 is connected with the rotating seat 403, the threaded column 404 is manually rotated first to make the rotating seat 403 rotate around the fixed seat 402 as the axis, until the threaded column 404 drives the threaded cylinder 405 to rotate to the specified angle, and because the threaded column 404 and the threaded cylinder 405 are threadedly connected, the threaded cylinder 405 is then rotated downward to make the base 406 move downward, until the base 406 is attached to the ground, and the threaded rod 407 is then rotated downward to be connected with the preset through hole of the ground, thereby fixing the base 406, at this time, the escalator body 1, the extension escalator 401, the threaded column 404, the threaded cylinder 405 and the base 406 form a triangular stabilizing mechanism, thereby improving the stability and safety of the safety escalator.
[0023] When the climbable height of the safety escalator needs to be adjusted due to different heights of the faulty equipment, because the escalator body 1 is welded with the slide rail 408, the extension escalator 401 is internally provided with a sliding groove 409, the extension escalator 401 is first moved to slide along the slide rail 408, at this time, the total length of the escalator body 1 and the extension escalator 401 changes, until the extension escalator 401 reaches the specified position, then the guide plate 411 is moved to make the positioning pin 410 penetrate through the extension escalator 401 and the slide rail 408 to be connected, thereby connecting the extension escalator 401, then the threaded pin 412 is rotated to penetrate through the extension escalator 401 and the slide rail 408 to be connected, thereby fixing the extension escalator 401 to prevent it from moving randomly, thereby adjusting the total length of the safety escalator, so that the climbable height corresponds to the on-site situation, improving the flexibility during use, and because the extension escalator 401 is welded with the limiting seat 413 at the top end, when the escalator body 1 and the extension escalator 401 are placed against the top end of the wall, the limiting piece 414 is pulled to make the spring 415 deform, then the spring 415 is reset to make the limiting piece 414 be placed on the edge of the top end of the wall, thereby limiting the top end of the safety escalator to prevent it from moving randomly, thereby playing the role of facilitating stable support and adjusting the climbable height during use of the safety escalator for power and electrical maintenance.
[0024] In summary, the safety ladder with stable support structure for electric power maintenance is used, first, the ladder body 1 is carried near the faulty power equipment, then the ground of the area is cleaned to ensure that there is no debris and dust, and then the ladder body 1 is leaned against the wall, at this time the base 2 is attached to the ground, then the fixed insertion rod 3 is rotated and inserted into the pre-designed through hole in the ground, thereby fixing the bottom end of the ladder to the ground, then the staff climbs the ladder to change the height, reaches the faulty power equipment for maintenance, which is the prior art and will not be described in detail here, the base 406 is fixed by the support mechanism 4, at this time the ladder body 1, the extension ladder 401, the threaded column 404, the threaded cylinder 405 and the base 406 form a triangular stable mechanism, thereby improving the stability and safety of the safety ladder, and the extension ladder 401 is fixed after being moved to the specified position, thereby adjusting the total length of the safety ladder, making the climbable height correspond to the on-site situation, and improving the flexibility during use, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.
[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A power electrical maintenance safety handrail with stable support structure, including handrail body (1), base (2) and fixed plug rod (3), the bottom of the handrail body (1) is welded with the base (2), and the inside of the base (2) is screw connected with the fixed plug rod (3), characterized in that: The middle part of the outer wall of the handrail body (1) is provided with a support mechanism (4), and the support mechanism (4) includes an extension ladder (401), a fixed seat (402), a rotating seat (403), a threaded column (404), a threaded cylinder (405), a base (406), a threaded rod (407), a sliding rail (408), a sliding groove (409), a positioning pin (410), a guide plate (411), a threaded pin (412), a limiting seat (413), a limiting piece (414) and a spring (415), one side of the outer wall of the handrail body (1) is slidably connected with the extension ladder (401), a sliding groove (409) is formed in the side of the extension ladder (401) close to the handrail body (1), and the sliding groove (409) is connected with the sliding rail (408) inside, the bottom of the outer wall of the extension ladder (401) is welded with the fixed seat (402), and the inside of the fixed seat (402) is rotatably connected with the rotating seat (403), the bottom of the outer wall of the rotating seat (403) is welded with the threaded column (404), the threaded column (404) is screw connected with the threaded cylinder (405) on the outer wall, and the base (406) is connected with the threaded cylinder (405) through the bearing seat at the bottom.
2. A safety stairway with stable support structure for electrical maintenance according to claim 1, characterized in that: The inside of the base (406) is screw connected with the threaded rod (407) on both sides, a triangular stable mechanism is formed between the handrail body (1), the extension ladder (401), the threaded column (404), the threaded cylinder (405) and the base (406), and the sliding rail (408) is welded with the handrail body (1) on one side of the outer wall, and the sliding rail (408) is in "T" shape structure.
3. A safety stairway with a stable support structure for electrical maintenance according to claim 2, characterized in that: The outer wall of the sliding rail (408) is connected with the positioning pin (410) through the positioning hole, the outer wall of the positioning pin (410) is welded with the guide plate (411) on one side, and the guide plate (411) is screw connected with the threaded pin (412) in the middle part.
4. A safety stairway with a stable support structure for electrical maintenance according to claim 3, characterized in that: A limiting hole corresponding to the positioning pin (410) is formed in one side of the outer wall of the extension ladder (401), and the limiting holes are distributed at equal intervals, a threaded hole corresponding to the threaded pin (412) is formed in the side of the sliding rail (408) close to the positioning pin (410), and the positioning pin (410), the guide plate (411) and the threaded pin (412) are in "E" shape structure.
5. A safety stairway with stabilizing support structure for electrical maintenance according to claim 4, characterized in that: The top of the extension ladder (401) is welded with the limiting seat (413) on both sides, the limiting piece (414) is slidably connected in the inside of the limiting seat (413), and the spring (415) is sleeved on the middle part of the outer wall of the limiting piece (414).
6. A safety stairway with stabilizing support structure for electrical maintenance according to claim 5, characterized in that: The limiting seat (413), the limiting piece (414) and the spring (415) constitute an elastic telescopic mechanism, and the limiting piece (414) is in "L" shape structure.