Ladder for lamp and wire maintenance
By designing the motor-driven lifting ladder and safety rope hook mechanism, the problem of lack of protection and safety rope connection of existing lamp wire maintenance ladders is solved, which significantly improves the safety of use.
Patent Information
- Application Number
- CN202421325255.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The existing lamp wire maintenance ladder lacks protective devices, which is prone to safety accidents, and lacks a reasonable safety rope connection structure during use, resulting in a high risk of personnel falling.
A ladder for maintenance of lamps and wires including fixed ladders and lift ladders is designed. The worm and worm gear meshing structure is used to achieve the lifting function, and a key hole is set on the guardrail for safety rope hooks to ensure the safety of personnel when climbing.
Through the motor drive and self-locking structure of the lifting ladder, safety accidents caused by casual climbing by people are avoided, and the safety rope hook mechanism improves safety during climbing.
Smart Images
Figure CN222701902U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lamp wire repair ladders, in particular to a lamp wire repair ladder. Background Art
[0002] In existing large-scale buildings or factory construction, lamps are generally fixed on the upper part of the house control space, and the cables of the lamps are arranged on the upper part of the house and specially arranged in the cable bridge for protection. For the maintenance of the lamps and wires on the upper part of the house, personnel need to set up a climbing device to climb to the top of the house for inspection. The commonly used climbing equipment is a ladder fixed on the wall. The ladder has a simple structure and low manufacturing cost, and is more widely used in the inspection of lamps and wires.
[0003] When using the existing ladders for repairing lamps and wires, the applicant found that the ladders are easily climbed by other idle people, and there are no protective devices, which makes safety accidents prone to occur. At the same time, when the existing ladders are in use, there is no reasonable safety rope connection structure on the ladders. Once the feet of the people slip, they are prone to fall. The safety needs to be improved. In order to solve the above-mentioned problems, a ladder for repairing lamps and wires is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a ladder for repairing lamp wires in order to solve the above-mentioned problems.
[0005] The technical scheme adopted by the utility model is as follows: a ladder for repairing lamps and wires, including a fixed ladder and a lifting ladder, the fixed ladder includes two vertical rods 1 and a plurality of cross rods 1, the vertical rod 1 is fixedly welded with a plurality of mounting seats from top to bottom, the lower part of one side of the vertical rod is fixedly connected with a slide rail, the slide rail is fixedly connected with a slider, the lower part of one of the vertical rods is fixedly connected with an axle seat, the axle seat is rotatably connected with a rotating shaft, one side of the rotating shaft is fixedly connected with a gear, the other side of the rotating shaft is fixedly connected with a worm gear, the mounting seat at the lowest part of one of the vertical rods 1 is fixedly connected with a fixed plate, the fixed plate is fixedly connected with a motor, the motor is electrically connected to a control cabinet, the motor is connected with a worm gear through an output shaft, the worm gear is meshed with the worm gear, the lifting ladder includes two vertical rods 2 and a cross rod 2, the upper part of the vertical rod 2 is fixedly connected with the slider, one of the vertical rods is fixedly connected with a rack, and the rack is meshed with the gear;
[0006] A guard frame is fixedly connected to the fixed ladder, vertical bars are welded on the guard frame, and lock holes are arranged on the vertical bars.
[0007] In a preferred embodiment, a lower limit block is fixedly connected to the lower end of the vertical rod 1.
[0008] In a preferred embodiment, an upper limit block is fixedly connected to the lower end of the second vertical rod.
[0009] In a preferred embodiment, the motor is electrically connected to a control cabinet, which includes a cabinet body, a relay and a control button, the relay and the control button are fixedly installed inside the cabinet body, the relay is electrically connected to the motor, and the control button is electrically connected to the relay.
[0010] In a preferred embodiment, a cabinet door is hingedly connected to the front side of the cabinet body, a cam lock is installed on the other side of the cabinet door, and the cabinet door is locked to the cabinet body via the cam lock.
[0011] In a preferred embodiment, the guard frame includes a plurality of U-shaped frames, the U-shaped frames are fixedly connected to the vertical rods, and vertical connecting plates are welded between the U-shaped frames.
[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0013] In the utility model, the lifting ladder can be moved up and down on the fixed ladder, so that when the personnel finish the maintenance, the personnel can start the motor to raise the lifting ladder, and the self-locking structure of the worm and the worm gear can lock the position of the lifting ladder, so as to avoid safety accidents caused by random climbing of personnel, and the motor control element is also arranged in the cabinet, and the lifting ladder can only be started by special maintenance personnel by opening the key, thereby further improving the safety of the ladder.
[0014] In the utility model, when a person is climbing, the hook of the safety rope can be hung on the lock hole of the vertical bar, and a different lock hole is changed every time the height of one end is moved up, thereby ensuring the safety of the person when climbing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;
[0016] Figure 2 For the utility model Figure 1 A magnified image of point A;
[0017] Figure 3 This is a schematic diagram of the front view structure of the utility model;
[0018] Figure 4 For the utility model Figure 1 Enlarged view of point B.
[0019] Markings in the figure: 1-fixed ladder, 2-lifting ladder, 3-vertical rod one, 4-cross rod one, 5-mounting seat, 6-slide rail, 7-slider, 8-axle seat, 9-rotating shaft, 10-gear, 11-worm gear, 12-fixed plate, 13-motor, 14-control cabinet, 15-worm, 16-vertical rod two, 17-cross rod two, 18-rack, 19-guard frame, 20-vertical bar, 21-lock hole, 22-lower limit block, 23-upper limit block, 24-cabinet, 25-relay, 26-control button, 27-cabinet door, 28-tongue lock, 29-U-shaped frame, 30-vertical connecting rod. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] The following will be combined Figure 1-Figure 4 The ladder for repairing lamp wires according to the embodiment of the utility model is described in detail.
[0022] Example:
[0023] The utility model embodiment provides a ladder for repairing lamp wires, referring to Figure 1 and Figure 3 As shown, it includes a fixed ladder 1 and a lifting ladder 2, the lifting ladder 2 is slidably connected to the fixed ladder 1, the fixed ladder 1 includes two vertical bars 1 3 and a plurality of horizontal bars 1 4, the lifting ladder 2 includes two vertical bars 2 16 and horizontal bars 2 17, and the lifting ladder 2 and the fixed ladder 1 in this structure form a ladder for inspecting the wires of lamps on the upper part of the house. People can climb onto the lamp fixing frame by stepping on the horizontal bars 1 4 and the horizontal bars 2 17, and then they can inspect the lamp cables on the lamp fixing frame.
[0024] refer to Figure 1 and Figure 3 As shown, a plurality of mounting seats 5 are fixedly welded on the vertical rod 3 from top to bottom. This structure is connected to the wall through the mounting seats 5 on the vertical rod 3, thereby fixing the fixed ladder 1 on the wall.
[0025] refer to Figure 1 , Figure 2 and Figure 3As shown, the lower part of the side of the vertical rod 1 3 is fixedly connected with a slide rail 6, and the slide rail 6 is fixedly connected with a slider 7. The lower part of one of the vertical rods 3 is fixedly connected with an axle seat 8, and the axle seat 8 is rotatably connected with a rotating shaft 9. One side of the rotating shaft 9 is fixedly connected with a gear 10, and the other side of the rotating shaft 9 is fixedly connected with a worm gear 11. The mounting seat 5 at the bottom of one of the vertical rods 1 3 is fixedly connected with a fixing plate 12, and the fixing plate 12 is fixedly connected with a motor 13. The motor 13 is connected with a worm 15 through an output shaft, and the worm 15 is meshed with the worm gear 11. The upper part of the vertical rod 2 16 is fixedly connected with the slider 7, and one of the vertical rods 16 is fixedly connected with a rack 18, and the rack 18 is meshed with the gear 10. This structure is suitable for the house when it is necessary to adjust the house. When inspecting the wires of the upper lamps, personnel can start the motor 13 to drive the worm 15 to rotate, and the worm 15 drives the worm wheel 11 to rotate, thereby driving the rotating shaft 9 on the shaft seat 8 to rotate, and then driving the gear 10 to rotate, so that the gear cooperates with the rack 18, thereby driving the vertical rod 2 16 to move, and the vertical rod 2 16 slides on the slide rail 6 of the vertical rod 1 3 through the slider 7, thereby lowering the lifting ladder 2 from the fixed ladder 1, and then the personnel can climb up to inspect the wires of the top lamps, and when the inspection is completed, the personnel can start the motor 13 in reverse to raise the lifting ladder 2, and the self-locking structure of the worm 15 and the worm wheel 11 can lock the position of the lifting ladder 2, thereby preventing personnel from climbing at will and causing safety accidents.
[0026] refer to Figure 1 and Figure 3 As shown, a guard frame 19 is fixedly connected to the fixed ladder 1, referring to Figure 1 As shown, the guard frame 19 includes a plurality of U-shaped frames 29, and the U-shaped frames 29 are fixedly connected to the vertical rods 3, and vertical connecting plates 30 are welded between the U-shaped frames 29. The U-shaped frames 29 and the vertical connecting rods 30 constitute the guard frame 19 structure. When people are climbing, the guard frame 19 can protect the climbers all around, and the climbers can lean on the guard frame 19 to rest.
[0027] refer to Figure 1 As shown, a vertical bar 20 is welded on the guard frame 19, and a lock hole 21 is set on the vertical bar 20. When a person climbs, the hook of the safety rope can be hung on the lock hole 21 of the vertical bar 20, and a different lock hole is changed every time the height of one end is moved up, thereby ensuring the safety of the person when climbing.
[0028] refer to Figure 1 and Figure 3 As shown, a lower limit block 22 is fixedly connected to the lower end of the vertical rod 3. This structure uses the lower limit block 22 to limit the maximum downward movement position of the lifting ladder 2.
[0029] refer to Figure 1 As shown, an upper limit block 23 is fixedly connected to the lower end of the second vertical rod 16. This structure uses the upper limit block 23 to limit the maximum upward movement position of the lifting ladder 2.
[0030] refer to Figure 1 and Figure 4 As shown, the motor 13 is electrically connected to the control cabinet 14, and the control cabinet 14 includes a cabinet body 24, a relay 25 and a control button 26. The relay 25 and the control button 26 are fixedly installed inside the cabinet body 24. The relay 25 is electrically connected to the motor 13, and the control button 26 is electrically connected to the relay 25. This structure utilizes personnel to manually control the forward and reverse rotation of the motor 13 through the control button 26 and the relay 25, thereby realizing the folding and lowering of the lifting ladder 2.
[0031] refer to Figure 4 As shown, a cabinet door 27 is hingedly connected to the front side of the cabinet body 24, and a tongue lock 28 is installed on the other side of the cabinet door 27. The cabinet door 27 is locked to the cabinet body 24 through the tongue lock 28. This structure can lock the cabinet door 27 to the cabinet body 24 using the tongue lock 28, thereby protecting the internal control button 26, thereby preventing strangers from arbitrarily operating the lifting ladder 2.
[0032] It should be noted that the maintenance ladder disclosed in the above embodiment is used for climbing and maintenance of lamp wires, and belongs to lamp wire maintenance equipment. The specific control principles and circuits involving the motor 13 are all existing technologies, and the principles have been made public, so no further introduction and elaboration will be given here.
[0033] The implementation principle of the ladder for repairing lamps and wires in the embodiment of the present application is as follows: when in use, when it is necessary to repair the lamps and wires on the upper part of the house, the personnel can start the motor 13 to drive the worm 15 to rotate, the worm 15 drives the worm wheel 11 to rotate, thereby driving the rotating shaft 9 on the shaft seat 8 to rotate, and then driving the gear 10 to rotate, so that the gear cooperates with the rack 18, thereby driving the vertical rod 16 to move, and the vertical rod 16 slides on the slide rail 6 of the vertical rod 1 3 through the slider 7, thereby lowering the lifting ladder 2 from the fixed ladder 1, and then the personnel The climber can then climb up to inspect the electrical wires of the top lamp. When climbing, the guard frame 19 can protect the climber on all sides, and the climber can lean on the guard frame 19 to rest. At the same time, the climber can hang the hook of the safety rope on the lock hole 21 of the vertical bar 20 when climbing, and change the lock hole every time the height of one end is moved up, so as to ensure the safety of the climber when climbing, and when the electrical inspection of the lamp is completed, the climber can start the motor 13 in reverse to raise the lifting ladder 2, so as to avoid safety accidents caused by random climbing of the climber.
[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A ladder for inspecting and repairing electric wires of lamps and lanterns, comprising a fixed ladder (1) and a lifting ladder (2), characterized in that: The fixed ladder (1) comprises two vertical rods (3) and a plurality of horizontal rods (4). The vertical rods (3) are fixedly welded with a plurality of mounting seats (5) from top to bottom. A slide rail (6) is fixedly connected to the lower part of one side of the vertical rod (3). A slider (7) is fixedly connected to the slide rail (6). The lower part of one of the vertical rods (3) is fixedly connected to an axle seat (8). A rotating shaft (9) is rotatably connected to the axle seat (8). A gear (10) is fixedly connected to one side of the rotating shaft (9). A worm gear (11) is fixedly connected to the other side of the rotating shaft (9). The mounting seats (5) at the lowest part of one of the vertical rods (3) are fixedly connected to the lower part of the vertical rods (3). A fixing plate (12) is fixedly connected to the mounting seat (5), a motor (13) is fixedly connected to the fixing plate (12), the motor (13) is electrically connected to a control cabinet (14), the motor (13) is connected to a worm (15) via an output shaft, the worm (15) is meshed with the worm wheel (11), the lifting ladder (2) comprises two vertical rods (16) and two horizontal rods (17), the upper part of the vertical rods (16) is fixedly connected to the slider (7), one of the vertical rods (16) is fixedly connected to a rack (18), the rack (18) is meshed with the gear (10); A guard frame (19) is fixedly connected to the fixed ladder (1), a vertical bar (20) is welded to the guard frame (19), and a lock hole (21) is provided on the vertical bar (20).
2. The ladder for inspecting lamp wires as claimed in claim 1, characterized in that: A lower limit block (22) is fixedly connected to the lower end of the vertical rod 1 (3).
3. The ladder for inspecting lamp wires as claimed in claim 1, characterized in that: An upper limit block (23) is fixedly connected to the lower end of the second vertical rod (16).
4. The ladder for inspecting lamp wires as claimed in claim 1, characterized in that: The control cabinet (14) comprises a cabinet body (24), a relay (25) and a control button (26); the relay (25) and the control button (26) are fixedly installed inside the cabinet body (24); the relay (25) is electrically connected to the motor (13); and the control button (26) is electrically connected to the relay (25).
5. The ladder for inspecting lamp wires as claimed in claim 4, characterized in that: The front side of the cabinet body (24) is hingedly connected with a cabinet door (27), and a tongue lock (28) is installed on the other side of the cabinet door (27). The cabinet door (27) is locked to the cabinet body (24) through the tongue lock (28).
6. The ladder for inspecting lamp wires as claimed in claim 1, characterized in that: The guard frame (19) comprises a plurality of U-shaped frames (29), wherein the U-shaped frames (29) are fixedly connected to the vertical rod one (3), and vertical connecting plates (30) are welded between the U-shaped frames (29).