Insulation operation ladder for low-voltage comprehensive distribution box operation on slope

Abstract

The utility model discloses an insulating operation ladder for low-voltage comprehensive distribution box operation on a slope, which comprises a ladder frame, a support plate, a connecting block, an adjustable support rod, a first fixing rope and a second fixing rope, the ladder frame is of a trapezoidal structure, the support plate is fixedly arranged at the top end of the ladder frame, and the connecting block is arranged on the support plate. The connecting block is fixedly installed at the bottom end of the supporting plate, the adjustable supporting rod is rotationally connected to the connecting block, connecting holes are formed in the left side face and the right side face of the upper end of the ladder frame correspondingly, and the first fixing rope is connected into the connecting hole in the left side of the ladder frame through a lock catch; according to the insulating operation ladder, the stability of the insulating operation ladder is ensured through a triangular structure formed by the ladder assembly and the adjustable supporting rod and fixing of the first fixing rope and the second fixing rope on a telegraph pole; therefore, an operator can operate the low-voltage comprehensive distribution box, the working efficiency is improved, and the operation safety is ensured at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to power operation tool technical field especially is related to a kind of insulating operation ladder for low-voltage comprehensive distribution box operation on slope. BACKGROUND

[0002] JP cabinet, namely low-voltage comprehensive distribution box, adopts modular design, compact structure, small footprint, easy installation, and the low-voltage comprehensive distribution box is designed to meet the requirements of rural low-voltage distribution device standardization, miniaturization and outdoor type. With the continuous deepening of rural power grid transformation, a large number of JP cabinets are applied in rural power lines and each distribution area. The low-voltage comprehensive distribution box integrates power distribution, metering, protection (overload, short circuit, leakage, and snow prevention), and capacitor reactive power compensation, becoming an indispensable important equipment in the power system.

[0003] As Chongqing is located in the southeast edge of Sichuan Basin, the terrain is mainly mountainous and hilly. Most of the low-voltage comprehensive distribution boxes in rural areas of Chongqing are installed on mountain slopes. The bottom surface is uneven, and the commonly used ordinary ladder cannot be placed stably, which poses a safety hazard. At the same time, using a single insulating ladder has the risk of falling due to the length of the single insulator being too long, which makes it inconvenient to operate and open the switch cabinet door of the low-voltage comprehensive distribution box.

[0004] At the same time, when performing maintenance and repair on the low-voltage comprehensive distribution cabinet, since the distribution cabinet is installed in the middle position of two power poles, without appropriate tools, only by climbing the power pole can the distribution cabinet be repaired. Therefore, the traditional process for handling abnormal situations is as follows:

[0005] Prepare to climb the tool → test the electricity of the low-voltage comprehensive distribution box body shell → open the low-voltage comprehensive distribution box door, and the operator gets down from the power pole → change position and climb the power pole again to perform related operations → get down from the power pole, climb the power pole again to close the cabinet door → get down from the power pole and complete the work.

[0006] From the above steps, it can be seen that the maintenance process is complicated, and the operator needs to frequently climb up and down the power pole to change the operation position and perform related work, which leads to low work efficiency and high physical requirements for the operator. INVENTION CONTENTS

[0007] In order to overcome the above problems, the utility model discloses a kind of for the insulation operating ladder of low-voltage comprehensive distribution box operation on slope, the insulation operating ladder is formed triangular structure by ladder frame and adjustable support rod, can be stably fixed on slope, first fixed rope and second fixed rope connected on the both sides of ladder frame upper end are fixed on the electric pole of two sides respectively, further ensure the stability of the insulation operating ladder, ensure that the worker on the insulation operating ladder faces low-voltage comprehensive distribution box and works, avoid the problem of low work efficiency and falling risk existing in frequently going up and down electric pole, to improve work efficiency, while guaranteeing job safety.

[0008] The technical scheme adopted by the utility model is:

[0009] An insulation operating ladder for low-voltage comprehensive distribution box operation on slope, comprising a ladder frame, a support plate, a connecting block, an adjustable support rod, a first fixed rope and a second fixed rope, the ladder frame is in a trapezoidal structure, the support plate is fixedly installed at the top end of the ladder frame, the connecting block is fixedly installed at the bottom end of the support plate, the adjustable support rod is rotatably connected to the connecting block, the left and right sides of the upper end of the ladder frame are respectively provided with connecting holes, the first fixed rope is connected to the connecting hole on the left side of the ladder frame through a lock, and the second fixed rope is connected to the connecting hole on the right side of the ladder frame through a lock.

[0010] As a further description of the utility model, the adjustable support rod comprises a fixed rod and a connecting rod, one end of the fixed rod is rotatably connected to the connecting block, the other end of the fixed rod is in a hollow structure and is provided with an internal thread, one end of the connecting rod is provided with an external thread, the other end of the connecting rod is in a hollow structure and is provided with an internal thread, the internal thread of the fixed rod is matched with the external thread of the connecting rod, the internal thread of the connecting rod is also matched with the external thread, and the left and right sides of the internal thread and the external thread are provided with bolt connection holes.

[0011] As a further description of the utility model, the fixed rod and the connecting rod are both made of an insulating rod.

[0012] As a further description of the utility model, the length of the fixed rod is 1.2 meters, and the connecting rod has three, with a length of 0.4 meters.

[0013] As a further description of the utility model, the adjustable support rod is designed with a support block at the bottom, and the support block is fixedly connected to the bottom of the adjustable support rod through bolts.

[0014] As a further description of the utility model, the bottom of the ladder frame is provided with a support foot.

[0015] As a further description of the utility model, the first fixed rope and the second fixed rope are provided with adjusting buckles at the ends away from the ladder frame, the adjusting buckles are of a Chinese character shape structure, and the first fixed rope and the second fixed rope are fixed on the telegraph pole after being inserted into the adjusting buckles.

[0016] As a further description of the utility model, the support plate is provided with a hook on the side, and the hook is used for hanging the tool bag.

[0017] As a further description of the utility model, reinforcing rods are arranged at the positions on both sides of the bottom end of the ladder frame.

[0018] As a further description of the utility model, buckles are arranged on the back of the ladder frame, and the diameters of the buckles are the same as the diameters of the adjustable support rods.

[0019] The utility model has the advantages of:

[0020] The utility model discloses an insulating operation ladder for low-voltage comprehensive distribution box operation on a slope, which comprises a ladder frame, a support plate, a connecting block, an adjustable support rod, a first fixed rope and a second fixed rope.

[0021] The utility model discloses an insulating operation ladder for low-voltage comprehensive distribution box operation on a slope, which comprises an adjustable support rod including a fixed rod and a connecting rod.

[0022] The utility model discloses an insulating operation ladder for low-voltage comprehensive distribution box operation on a slope, which comprises a ladder frame, a support plate, a connecting block, an adjustable support rod, a first fixed rope and a second fixed rope. DRAWINGS

[0023] Figure 1 A kind of for the overall structure schematic diagram of insulating operating ladder for low-voltage comprehensive distribution box operation on slope is proposed in the utility model;

[0024] Figure 2 A kind of for the upper end structure schematic diagram of insulating operating ladder ladder frame for low-voltage comprehensive distribution box operation on slope is proposed in the utility model;

[0025] Figure 3 A kind of for the lower end structure schematic diagram of insulating operating ladder ladder frame for low-voltage comprehensive distribution box operation on slope is proposed in the utility model;

[0026] Figure 4 A kind of for the back structure schematic diagram of insulating operating ladder for low-voltage comprehensive distribution box operation on slope is proposed in the utility model;

[0027] Figure 5 A kind of for the bolt connection hole structure schematic diagram of insulating operating ladder for low-voltage comprehensive distribution box operation on slope is proposed in the utility model;

[0028] Figure 6 A kind of for the bolt connection hole local enlarged schematic diagram of insulating operating ladder for low-voltage comprehensive distribution box operation on slope is proposed in the utility model;

[0029] Figure 7 A kind of for the adjusting buckle schematic diagram of insulating operating ladder for low-voltage comprehensive distribution box operation on slope is proposed in the utility model;

[0030] Figure 8 A kind of for the connection schematic diagram of insulating operating ladder for low-voltage comprehensive distribution box operation on slope in embodiment with telegraph pole is proposed in the utility model.

[0031] Explanation of reference signs

[0032] 1-ladder frame, 11-connection hole, 12-supporting foot, 13-stiffening bar, 14-buckle,

[0033] 2-supporting plate,

[0034] 3-connection block,

[0035] 4-adjustable supporting rod, 41-fixed rod, 42-connection rod, 43-bolt connection hole, 44-supporting block,

[0036] 5-first fixed rope,

[0037] 6-second fixed rope,

[0038] 7-lock,

[0039] 8-adjusting buckle,

[0040] 9-telegraph pole. DETAILED DESCRIPTION

[0041] The specific embodiments of the present application will be described below with reference to the accompanying drawings and examples:

[0042] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the present application, so that those skilled in the art can understand and read, and are not used to limit the implementation of the present application. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect and purpose of the present application, should still fall within the scope of the technology disclosed in the present application.

[0043] At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" in the present application are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship does not change the technical content.

[0044] As shown in the specific embodiments of the present application: Figures 1-8

[0045] Example one

[0046] An insulating operation ladder for low-voltage comprehensive distribution box operation on a slope, comprising a ladder frame 1, a support plate 2, a connecting block 3, an adjustable support rod 4, a first fixed rope 5, and a second fixed rope 6, the ladder frame 1 is a trapezoidal structure, the support plate 2 is fixedly installed at the top end position of the ladder frame 1, the connecting block 3 is fixedly installed at the bottom end position of the support plate 2, the adjustable support rod 4 is rotatably connected to the connecting block 3, and the left and right sides of the upper end of the ladder frame 1 are respectively provided with connecting holes 11, the first fixed rope 5 is connected into the connecting hole 11 on the left side of the ladder frame 1 through a lock buckle 7, and the second fixed rope 6 is connected into the connecting hole 11 on the right side of the ladder frame 1 through a lock buckle 7.

[0047] In this embodiment, as shown in Figure 1 , Figure 2 The insulating operation ladder comprises a ladder frame 1, a support plate 2, a connecting block 3, an adjustable support rod 4, a first fixed rope 5, and a second fixed rope 6, and the insulating operation ladder forms a triangular structure through the ladder frame 1 and the adjustable support rod 4, which can be stably fixed on the slope. At the same time, the first fixed rope 5 and the second fixed rope 6 connected on both sides of the upper end of the ladder frame 1 are fixed on the two side poles 9 respectively, which further ensures the stability of the insulating operation ladder, ensures that the operator on the insulating operation ladder faces the low-voltage comprehensive distribution box for operation, avoids the problem of low work efficiency and falling risk caused by frequent climbing of the pole, thereby improving the work efficiency and ensuring the safety of the operation.​

[0048] In the embodiment, when the conventional maintenance process flow is used for maintenance operation, the time consumption is shown in Table 1.

[0049] Table 1 Time consumption statistics table of conventional maintenance process (unit: min)

[0050]

[0051] As shown in Table 1, the conventional operation and maintenance and the collection of abnormal processing work consume a long time, and the main reason for the long time consumption is repeated climbing inspection, so the key to improving work efficiency lies in effectively shortening the climbing and switching operation position time, and solving this problem can select skilled personnel to climb the pole operation, but the skilled personnel for climbing the pole is limited, the repeated climbing work consumes a lot of physical strength and there is a safety hazard in pursuing the climbing speed too much.

[0052] The experimental data of using the insulation operating ladder for low-voltage comprehensive distribution box operation on the slope for maintenance processing are shown in Table 2.

[0053] Table 2 Time consumption statistics table of insulation operating ladder maintenance process (unit: min)

[0054]

[0055] As shown in Table 1 and Table 2, when the insulation operating ladder is used for maintenance operation, the repeated climbing steps can be greatly reduced, the labor intensity is effectively reduced, the operation time of the operator is reduced from 22.9 min to 10.2 min, the operation efficiency is effectively improved, and the labor intensity of the operator is reduced.

[0056] Embodiment two

[0057] On the basis of the above-mentioned embodiment one, in order to make the insulation operating ladder be applied to the maintenance operation environment of low-voltage comprehensive distribution box with different slopes, the embodiment two is proposed.

[0058] Specifically, the adjustable supporting rod 4 comprises a fixed rod 41 and a connecting rod 42, one end of the fixed rod 41 is rotationally connected to the connecting block 3, the other end of the fixed rod 41 is provided with a hollow structure at the bottom end position and is provided with an internal thread, one end of the connecting rod 42 is provided with an external thread, the other end of the connecting rod 42 is provided with a hollow structure at the bottom end position and is provided with an internal thread, the internal thread of the fixed rod 41 is matched with the external thread of the connecting rod 42, the internal thread of the connecting rod 42 is also matched with the external thread, and the left and right sides of the internal thread and the external thread are provided with bolt connection holes 43.

[0059] In the embodiment, as Figure 4 , Figure 5 ,Figure 6 As shown, through the design of the fixed rod 41 and the connecting rod 42, one end of the fixed rod 41 is rotatably connected to the connecting block 3, and the rotation of the fixed rod 41 on the connecting block 3 facilitates the adjustment of the opening angle of the insulating operation ladder, and in actual use, the opening angle of the insulating operation ladder is generally controlled between 30° to 60°, which can ensure the stability of the insulating operation ladder, and the other end of the fixed rod 41 is connected to the connecting rod 42. The final length of the adjustable support rod 4 can be adjusted according to the slope of the low-voltage comprehensive distribution cabinet on the slope to be maintained in actual need, and the height difference between the final length of the adjustable support rod 4 and the height of the ladder frame 1 is obtained. It can be placed on the slope to ensure the stability of the insulating operation ladder. The fixed rod 41 and the connecting rod 42 are rotatably connected by threads, which is simple to operate and easy to adjust. The bolts can be fixed in the bolt connection holes 43 after rotation connection to ensure the stability of the final length of the adjustable support rod 4. In actual use, different numbers of connecting rods 42 are connected according to the use demand, which is suitable for the maintenance of low-voltage comprehensive distribution boxes with different slopes, and has a wide range of applications.

[0060] Specifically, the fixed rod 41 and the connecting rod 42 are both insulating rods.

[0061] In this embodiment, the fixed rod 41 and the connecting rod 42 are both insulating rods to ensure the safety of the workers in the live working state.

[0062] Specifically, the length of the fixed rod 41 is 1.2 meters, and the connecting rod 42 has three, with a length of 0.4 meters.

[0063] In this embodiment, the design of this size can be applied to most low-voltage comprehensive distribution cabinet maintenance occasions. The shortest length of the adjustable support rod 4 is 1.2 meters, and the longest length is 2.4 meters. The height of the ladder frame 1 in actual use is 3 meters, which can meet the needs of most maintenance scenes in the applicant's region. The data is obtained through experiments.

[0064] Specifically, the adjustable support rod 4 is designed with a support block 44 at the bottom, and the support block 44 is fixed to the bottom of the adjustable support rod 4 by bolts.

[0065] In this embodiment, as shown in Figure 3 The setting of the support block 44 facilitates the fixation of the adjustable support rod 4. The support block 44 is connected to the bolt connection hole 43 of the fixed rod 41 or the connecting rod 42 by bolts. The support block 44 has a large bottom area, which can ensure the stability of being placed on the slope.

[0066] Embodiment three

[0067] Specifically, the first fixed rope 5 and the second fixed rope 6 are designed with an adjusting buckle 8 at one end away from the ladder stand 1, the adjusting buckle 8 is a cross-shaped structure, and the first fixed rope 5 and the second fixed rope 6 are fixed on the pole after being inserted into the adjusting buckle 8.

[0068] In this embodiment, as shown in the specific structure diagram of the adjusting buckle 8, in use, the adjusting buckle 9 is located at the end of the first fixed rope 5 and the second fixed rope 6, and when fixed, the end rope head of the first fixed rope 5 and the second fixed rope 6 is fixed again after being wound around the pole 9, ensuring firm fixation, so as to provide tension to the ladder stand 1 through the first fixed rope 5 and the second fixed rope 6, so that the insulating operation ladder is in a stable state, ensuring the safety of the operator during operation, improving work efficiency, and avoiding the risk of falling. Figure 7

[0069] Embodiment Four

[0070] Specifically, the side of the support plate 2 is designed with a hook, and the hook is used for hanging the tool bag.

[0071] In this embodiment, after the operator climbs to the operation position of the low-voltage comprehensive distribution box, the hook can be used to hang the tool bag during operation, and the operation tools in the tool bag are displayed, which is convenient for taking the tools during operation and improves the operation efficiency. The hanging method is more safe and reliable.

[0072] Embodiment Five

[0073] The back of the ladder stand 1 is designed with a buckle 14, and the diameter of the buckle 14 is the same as the diameter of the adjustable support rod 4.

[0074] In this embodiment, as shown in the buckle design of the back of the ladder stand 1, the adjustable support rod 4 is fixed, and the insulating operation ladder is convenient to carry. Figure 4 Specifically, the bottom of the ladder stand 1 is provided with a support foot 12.

[0075] Specifically, the bottom of the ladder stand 1 is provided with a support foot 12.

[0076] In this embodiment, the design of the support foot 12 and the reinforcing rod 13 further ensures the stability of the ladder stand 1 and ensures the safety of operation.

[0077] The specific use method and effect of this embodiment are as follows:

[0078]

[0079] ​​In use, the insulating operation ladder is stably fixed on the slope through the triangular structure formed by the ladder frame 1 and the adjustable supporting rod 4, and the first fixing rope 5 and the second fixing rope 6 connected to the two sides of the upper end of the ladder frame 1 are respectively fixed on the two side poles 9, so that the stability of the insulating operation ladder is further ensured, the worker on the insulating operation ladder can face the low-voltage comprehensive distribution box to work, the problems of low work efficiency and falling risk caused by frequent climbing and descending of the poles are avoided, work efficiency is improved, and work safety is ensured.

[0080] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

[0081] Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It should be understood that the utility model is not limited to the specific embodiments, and the scope of the utility model is defined by the appended claims.

Claims

1. An insulated operating ladder for low voltage switchgear on a ramp, characterized in that, Including ladder frame (1), support plate (2), connecting block (3), adjustable support rod (4), first fixed rope (5), second fixed rope (6), the ladder frame (1) is trapezoidal structure, the support plate (2) is fixedly installed at the top end position of ladder frame (1), the connecting block (3) is fixedly installed at the bottom end position of support plate (2), the adjustable support rod (4) is rotatably connected on connecting block (3), the upper end left and right sides of ladder frame (1) are respectively provided with connecting hole (11), the first fixed rope (5) is connected in the connecting hole (11) on the left side of ladder frame (1) through the lock buckle (7), the second fixed rope (6) is connected in the connecting hole (11) on the right side of ladder frame (1) through the lock buckle (7).

2. The insulated operating ladder for low voltage switchgear on a ramp according to claim 1, wherein, The adjustable support rod (4) includes fixed rod (41), connecting rod (42), one end of the fixed rod (41) is rotatably connected on connecting block (3), the other end bottom end position of fixed rod (41) is a hollow structure, is provided with internal thread, one end of the connecting rod (42) is provided with external thread, the other end bottom end position is a hollow structure, is provided with internal thread, the internal thread of fixed rod (41) is matched with the external thread of connecting rod (42), the internal thread of connecting rod (42) is also matched with the external thread, the left and right sides of the internal thread and the external thread are provided with bolt connection hole (43).

3. An insulated operating ladder for use on low voltage switchgear on a ramp, according to claim 2, characterized in that, The fixed rod (41) and connecting rod (42) are all insulated rods.

4. An insulated working ladder for low voltage switchgear on a ramp according to claim 2 or 3, characterized in that, The length of the fixed rod (41) is 1.2 meters, the connecting rod (42) has three, and the length is 0.4 meters.

5. The insulated operating ladder for low voltage switchgear on a ramp according to claim 1, wherein, The adjustable support rod (4) is designed with a support block (44) at the bottom, and the support block (44) is fixed at the bottom of the adjustable support rod (4) by bolts.

6. An insulated operating ladder for use on low voltage switchgear on a ramp, according to claim 1, wherein, The ladder frame (1) is provided with a support foot (12) at the bottom.

7. An insulated operating ladder for use on low voltage switchgear on a ramp, according to claim 1, wherein, The first fixed rope (5) and the second fixed rope (6) are designed with an adjusting buckle (8) at the end away from the ladder frame (1), the adjusting buckle (8) is a day-shaped structure, the first fixed rope (5) and the second fixed rope (6) are fixed on the telegraph pole after being inserted into the adjusting buckle (8).

8. An insulated operating ladder for use on low voltage switchgear on a ramp, according to claim 1, wherein, The support plate (2) is designed with a hook on the side, and the hook is used for tool bag hanging.

9. An insulated operating ladder for use on low voltage switchgear on a ramp, according to claim 1, wherein, The ladder frame (1) is provided with a reinforcing rod (13) at the bottom end of both sides.

10. The insulated operating ladder for low voltage switchgear on a ramp according to claim 1, wherein, The ladder frame (1) is designed with a buckle (14) on the back, and the diameter of the buckle (14) is the same as the diameter of the adjustable support rod (4).

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