Safety ladder for maintenance

Abstract

The utility model relates to the technical field of maintenance ladders, in particular to a safe maintenance ladder which comprises a first ladder, a detachable adjusting assembly is slidably clamped on the first ladder and comprises a sliding block, the sliding block is slidably clamped in a sliding groove, one side of the sliding block is provided with a connecting threaded hole, and the connecting threaded hole is connected with the first ladder. A supporting rod is connected between the detachable adjusting assembly and the first ladder, a sliding groove is formed in the first ladder, positioning threaded holes are formed in the two sides of the first ladder, and positioning bolts are connected to the positioning threaded holes in a threaded mode; the angle of the maintenance ladder can be flexibly adjusted according to use requirements through the detachable adjusting assembly, the supporting rod, the first mounting bolt and the second mounting bolt, the height of the maintenance ladder can be flexibly adjusted according to use height requirements, and the maintenance ladder can meet different application scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a maintenance ladder, in particular to a safety type maintenance ladder belongs to maintenance ladder technical field. BACKGROUND

[0002] The maintenance ladder is a tool specially designed for high-altitude operation, mainly used for high-altitude operation in the fields of power engineering and telecommunications engineering, and the maintenance ladder includes various types such as insulating ladders, glass steel insulating ladder stands, and telescopic ladders. The ladder is not only used for daily maintenance, but also plays an important role in the installation and maintenance of power and telecommunications equipment. However, some existing ladders are not convenient to apply to different scenes and cannot flexibly adjust the height of the ladder.

[0003] For example, the utility model with the announcement number CN220849537U relates to the technical field of power maintenance. The utility model discloses a power maintenance ladder, which comprises a main beam, a leaning rod and a driving mechanism. The main beam is distributed left and right in two groups, and a climbing rod is fixedly installed between the two groups of main beams. The leaning rod is arranged between the two groups of main beams, and the front side of the leaning rod is provided with two groups of arc-shaped clamping strips distributed left and right. The driving mechanism is arranged on the main beam and the leaning rod. The power maintenance ladder can drive the two groups of arc-shaped clamping strips to clamp the tree trunk when the main beam leans on the tree trunk, so that the leaning is stable and the ladder does not deviate or even fall, thereby improving the safety during power maintenance. The arc-shaped clamping strips can be easily disassembled when not in use, so that the ladder is suitable for more scenes and improves the mobility and practicality of the ladder.

[0004] The above-mentioned power maintenance ladder is not convenient to apply to different scenes and cannot flexibly adjust the height of the ladder during use. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the above-mentioned problems by providing a safety type maintenance ladder, which can flexibly adjust the height of the maintenance ladder according to the height requirement and meet different application scenes.

[0006] The utility model realizes the above-mentioned purpose by the following maintenance ladder. A safety type maintenance ladder comprises a first ladder, a detachable adjusting assembly is slidably connected to the first ladder, and a supporting rod is connected between the detachable adjusting assembly and the first ladder.

[0007] Further, in order to fix the detachable adjusting assembly and the first ladder, a sliding groove is formed in the first ladder, positioning threaded holes are formed on both sides of the first ladder, positioning bolts are threadedly connected to the positioning threaded holes, and a fixing hole is formed in the sliding groove.

[0008] Further, in order to facilitate the fixing of the sliding block and the first ladder, the detachable adjusting assembly comprises sliding blocks which are slidingly connected in the sliding grooves, one side of each sliding block is provided with a connecting threaded hole which is matched with the positioning bolt, and a rotating shaft is rotatably installed between the sliding blocks, a second ladder is fixedly installed on the rotating shaft, and a first anti-skid sleeve is sleeved at the lower end of the second ladder.

[0009] Further, in order to facilitate the clamping of the second ladder and the first ladder, the second ladder is matched with the sliding groove, and a connecting hole is formed in the second ladder and corresponds to the fixing hole, and a connecting bolt is connected to the connecting hole.

[0010] Further, in order to facilitate the fixing of the support rod and the second ladder, first installation holes are arranged in an array on the second ladder.

[0011] Further, in order to facilitate the fixing of the support rod, a waist-shaped hole is formed in the support rod, and second installation holes are arranged in an array on the first ladder.

[0012] Further, in order to facilitate the adjustment of the positions of the first installation bolt and the second installation bolt on the support rod, first installation bolts and second installation bolts are inserted into the waist-shaped hole, the first installation bolts and the second installation bolts are respectively threadedly connected with the first installation holes and the second installation holes, and the support rod and the first ladder are pressed by the second installation bolts.

[0013] Further, in order to improve the anti-skid property of the maintenance ladder, a second anti-skid sleeve is sleeved at the lower end of the second ladder.

[0014] The technical effects and advantages of the present utility model are as follows: through the detachable adjusting assembly, the support rod, the first installation bolt and the second installation bolt, the angle of the maintenance ladder can be flexibly adjusted according to the use requirement, the height of the maintenance ladder can be flexibly adjusted according to the use height requirement, and different application scenarios can be met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the right side view angle of the present utility model;

[0016] Figure 2 It is a structure schematic view of the left side view angle of the present utility model;

[0017] Figure 3 It is a structure schematic view of the bottom view angle of the present utility model;

[0018] Figure 4 It is a partial structure schematic view of the present utility model;

[0019] Figure 5 It is the structure schematic view of height adjustment of the utility model;

[0020] Figure 6 It is the structure schematic view of detachable adjustment assembly of the utility model;

[0021] In the drawing: 1, first ladder; 2, detachable adjustment assembly; 201, sliding block; 202, connecting threaded hole; 203, rotating shaft; 204, second ladder; 205, first anti-skid sleeve; 206, connecting hole; 207, connecting bolt; 208, first mounting hole; 3, support rod; 4, sliding slot; 5, positioning threaded hole; 6, positioning bolt; 7, fixing hole; 8, waist-shaped hole; 9, second mounting hole; 10, first mounting bolt; 11, second mounting bolt; 12, second anti-skid sleeve. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely 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.

[0023] Please refer to Figures 1-6 As shown in the drawing, a safety maintenance ladder, comprising a first ladder 1, a detachable adjustment assembly 2 is slidably connected to the first ladder 1, through the detachable adjustment assembly 2, it can be used when there is no supporting wall, it can adjust the angle of the maintenance ladder, and it can flexibly adjust the length of the maintenance ladder when there is a supporting wall, improving the applicability of the maintenance ladder, a support rod 3 is connected between the detachable adjustment assembly 2 and the first ladder 1, through the support rod 3, the stability of the maintenance ladder is improved.

[0024] The first ladder 1 is provided with a sliding groove 4, and the two sides of the first ladder 1 are provided with positioning threaded holes 5, and the positioning threaded holes 5 are threadedly connected with positioning bolts 6, and the sliding groove 4 is internally provided with fixing holes 7, and the detachable adjusting assembly 2 comprises sliding blocks 201 which are slidingly connected in the sliding groove 4, and the sliding blocks 201 are provided with connecting threaded holes 202 on one side, and the connecting threaded holes 202 are matched with the positioning bolts 6, and by loosening the positioning bolts 6, the positions of the sliding blocks 201 can be flexibly adjusted, so that the angle between the first ladder 1 and the second ladder 204 can be flexibly adjusted, and the applicability of the maintenance ladder is improved, and the sliding blocks 201 are rotatably installed with shafts 203, and by the shafts 203, the angle between the second ladder 204 and the first ladder 1 can be adjusted, and the second ladder 204 is fixedly installed on the shafts 203, and the second ladder 204 is provided with a first anti-skid sleeve 205 at the lower end, and by the first anti-skid sleeve 205, the friction with the ground can be increased, so that the stability of the maintenance ladder is improved, the second ladder 204 is matched with the sliding groove 4, and the second ladder 204 is provided with connecting holes 206, and the connecting holes 206 correspond to the fixing holes 7, and the connecting holes 206 are connected with connecting bolts 207, and by the connecting bolts 207, the first ladder 1 and the second ladder 204 can be fixed, and the second ladder 204 is provided with first installation holes 208 arranged in an array, and when there is a supporting wall, by loosening the positioning bolts 6, the sliding blocks 201 are removed from the upper end of the first ladder 1, the second ladder 204 is clamped with the first ladder 1, and is connected with the appropriate fixing holes 7 and connecting holes 206 through the connecting bolts 207, the second ladder 204 is fixed with the first ladder 1, and the length of the second ladder 204 is inserted into the first ladder 1, the length of the maintenance ladder can be flexibly adjusted, and the maintenance ladder can be applied to different scenes, and the practicability of the maintenance ladder is improved.

[0025] The supporting rod 3 is provided with a waist-shaped hole 8, the first ladder 1 is provided with second installation holes 9 arranged in an array, the waist-shaped hole 8 is inserted with a first installation bolt 10 and a second installation bolt 11, the first installation bolt 10 and the second installation bolt 11 are respectively threadedly connected with the first installation holes 208 and the second installation holes 9, and the supporting rod 3 is pressed against the first ladder 1 through the second installation bolt 11, and the first installation bolt 10 and the second installation bolt 11 are pressed against the first ladder 1 and the second ladder 204, so that the stability of the maintenance ladder is improved, and the safety of the maintenance ladder is improved, and the second ladder 204 is provided with a second anti-skid sleeve 12 at the lower end, and by the second anti-skid sleeve 12, the friction between the maintenance ladder and the ground can be increased, so that the stability of the maintenance ladder is improved.

[0026] The utility model discloses when not supporting wall, when using, unscrews positioning bolt 6, unscrews first mounting bolt 10 and second mounting bolt 11, adjusts the slider 201 to the suitable position, and first ladder 1 and second ladder 204 are at certain angle, thereby adjusting this maintenance ladder to the suitable height, improve the applicability of this maintenance ladder, connect positioning bolt 6 to suitable positioning thread hole 5, fix the position of slider 201, connect first mounting bolt 10, second mounting bolt 11 to suitable first mounting hole 208, second mounting hole 9, press tightly support rod 3 and first ladder 1, and support rod 3 and first ladder 1 are fixed with second ladder 204, improve the stability of this maintenance ladder, when supporting wall, unscrews positioning bolt 6, takes down slider 201 from first ladder 1 upper end, and second ladder 204 is clamped with first ladder 1, and is connected in suitable fixed hole 7 and connecting hole 206 through connecting bolt 207, and second ladder 204 is fixed with first ladder 1, and through the length of second ladder 204 insertion in first ladder 1 inside, the length of this maintenance ladder is flexibly adjusted, can be applicable to different scenes, improve the practicability of this maintenance ladder.

[0027] It is obvious to a person skilled in the art that the utility model is not limited to the details of the exemplary embodiments described above, and the utility model can be implemented in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A safety service ladder comprising a first ladder (1), characterized in that: The detachable adjusting assembly (2) is slidably connected on the first ladder (1), a supporting rod (3) is connected between the detachable adjusting assembly (2) and the first ladder (1), a sliding groove (4) is arranged on the first ladder (1), positioning threaded holes (5) are arranged on both sides of the first ladder (1), positioning bolts (6) are threadedly connected on the positioning threaded holes (5), fixing holes (7) are arranged in the sliding groove (4), the detachable adjusting assembly (2) comprises sliding blocks (201), the sliding blocks (201) are slidably connected in the sliding groove (4), connecting threaded holes (202) are arranged on one side of the sliding blocks (201), the connecting threaded holes (202) are matched with the positioning bolts (6), shafts (203) are rotatably arranged between the sliding blocks (201), second ladders (204) are fixedly arranged on the shafts (203), first anti-skid sleeves (205) are arranged at lower ends of the second ladders (204), the second ladders (204) are matched with the sliding groove (4), connecting holes (206) are arranged on the second ladders (204), the connecting holes (206) correspond to the fixing holes (7), connecting bolts (207) are arranged on the connecting holes (206), first mounting holes (208) are arranged on the second ladders (204) in an array, a waist-shaped hole (8) is arranged on the supporting rod (3), second mounting holes (9) are arranged on the first ladder (1) in an array, first mounting bolts (10) and second mounting bolts (11) are inserted into the waist-shaped hole (8), the first mounting bolts (10) and the second mounting bolts (11) are respectively threadedly connected with the first mounting holes (208) and the second mounting holes (9), and the supporting rod (3) and the first ladder (1) are pressed by the second mounting bolts (11).

2. The safety service ladder according to claim 1, wherein: Second anti-skid sleeves (12) are arranged at lower ends of the second ladders (204).

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