Ladder holding device

Abstract

The present invention is used for a pole-holding device for climbing a ladder, comprising a pole-holding mechanism for supporting the ladder and a pole-holding mechanism at the top of the ladder; the pole-holding mechanism at the top of the ladder comprises a No. 1 clamping arm, a No. 2 clamping arm, a connecting assembly and a driving assembly; the No. 1 clamping arm and the No. 2 clamping arm are connected by a connecting assembly to form a clamping area and a control area, the clamping area is used to clamp and fix the electric pole, the control area is provided with a driving assembly, and the driving assembly realizes the connection between the first end of the No. 1 clamping arm and the first end of the No. 2 clamping arm; the pole-holding mechanism for supporting the ladder comprises a connecting rod and a pole-holding assembly, one end of the connecting rod is connected to the ladder; the other end of the connecting rod is connected to the fixed rod of the pole-holding assembly, and the pole-holding assembly cooperates with the electric pole to realize the cooperation between the ladder and the electric pole; two pole-holding mechanisms installed on the ladder are combined as a group, and a plurality of groups of pole-holding mechanisms are provided between the ladder and the electric pole; the present invention makes the connection between the ladder and the electric pole tighter.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power construction tools, in particular to a pole-holding device for ladders. Background Art

[0002] When working on tall utility poles, a ladder must be mounted at the height of the pole and then manually climbed. Due to the height, the extended ladder becomes unstable and hinders construction work. Installing a dedicated ladder base can improve the stability of the ladder chassis, but relying solely on the pole for its overall rigidity can cause instability, and the contact point between the top of the ladder and the pole also poses a safety hazard. Improving the stability of the connection between long ladders and the pole is an urgent issue to ensure worker safety and improve construction efficiency. Summary of the Invention

[0003] The object of the present invention is to provide a pole-holding device for a ladder. By arranging a supporting ladder-holding mechanism between the ladder and the utility pole, the stability between the ladder and the utility pole is improved, and the safety factor of workers working on the ladder is improved; and a ladder-top holding mechanism is arranged at the place where the top of the ladder contacts the utility pole, so that the connection between the ladder and the utility pole is tightened.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A ladder holding device includes a ladder supporting holding mechanism and a ladder top holding mechanism;

[0006] The ladder support rod holding mechanism includes a connecting rod and a holding rod assembly, one end of the connecting rod is connected to the ladder; the other end of the connecting rod is connected to the fixed rod of the holding rod assembly, and the holding rod assembly cooperates with the electric pole to achieve cooperation between the ladder and the electric pole; two of the ladder support rod holding mechanisms are used as a group, and several groups of the ladder support rod holding mechanisms are provided between the ladder and the electric pole. The two ladder support rod holding mechanisms of each group are respectively installed on both sides of the electric pole, and the holding rod assemblies of the two ladder support rod holding mechanisms fully surround the electric pole;

[0007] The pole holding assembly includes a fixed rod, a connecting bent rod, a pole holding body, and a matching seat; the pole holding body is connected to the first end of the fixed rod via the connecting bent rod, and the matching seat is also installed on the first end, forming a pole holding area between the pole holding body and the matching seat for holding the utility pole; the ladder is arranged at an angle, with the top of the ladder in contact with the utility pole, and the length of the connecting rod gradually increases from top to bottom, and the length of the connecting rod ranges from 0.5m to 2m;

[0008] The ladder top pole holding mechanism includes a No. 1 clamping arm, a No. 2 clamping arm, a connecting assembly, and a driving assembly. The No. 1 clamping arm and the No. 2 clamping arm are connected by the connecting assembly to form a clamping area and a control area. The clamping area is used to clamp and fix the utility pole, and the control area is provided with a driving assembly.

[0009] The No. 1 clamping arm includes a No. 1 upper plate, a No. 1 lower plate and a No. 1 bolt. The No. 1 upper plate and the No. 1 lower plate have the same structure. The No. 1 upper plate and the No. 1 lower plate are connected by a number of No. 1 bolts to form the No. 1 clamping arm with an overall S-shaped structure. The No. 2 clamping arm includes a No. 2 upper plate, a No. 2 lower plate and a No. 2 bolt. The No. 2 upper plate and the No. 2 lower plate have the same structure. The No. 2 upper plate and the No. 2 lower plate are connected by a number of No. 2 bolts to form the No. 2 clamping arm with an overall S-shaped structure.

[0010] The first clamping arm and the second clamping arm are connected by a drive assembly to form a scissor-type structure; the connection between the first clamping arm and the second clamping arm serves as a connection point; the connection point separates the first clamping arm into an arc segment a and an arc segment b, and separates the second clamping arm into an arc segment a and an arc segment b; the arc segments a and a form a clamping area, and the arc segments b and b form a control area.

[0011] The drive assembly includes a control box, a drive motor and a drive electric push rod, and the drive motor and the drive electric push rod are connected to the end of the No. 2 clamping arm through a mounting seat, and the output end of the drive electric push rod is connected to the connecting piece at the end of the No. 1 clamping arm to realize the tightening and opening of the No. 1 b arc segment and the No. 2 b arc segment, thereby realizing the clamping and release of the No. 1 a arc segment and the No. 2 a arc segment on the electric pole; the control box is connected to the drive motor, and a power supply and a controller are provided in the control box for controlling the drive motor and the drive electric push rod; the output end of the drive electric push rod is connected to the two connecting pieces by a rotating shaft, so that the output end of the drive electric push rod can rotate relative to the connecting piece; the connecting assembly is used for connecting between the No. 1 clamping arm and the No. 2 clamping arm, and is also used to connect the pole holding device to the ladder; the connecting assembly includes a connecting bolt and a fastening nut, and the connecting bolt passes through the No. 1 clamping arm and the No. 2 clamping arm and is connected to the fastening nut to realize the connection between the No. 1 clamping arm and the No. 2 clamping arm, and the upper and lower ends of the connecting bolt are provided with anti-tripping buckles.

[0012] Furthermore, the second end of the fixed rod is provided with a thread to realize a threaded connection between the fixed rod and the connecting rod; one end of the connecting bent rod is welded to the fixed rod, and the other end is provided with a No. 1 sleeve, and the holding pole body is inserted into the No. 1 sleeve. The holding pole body and the connecting bent rod form a semicircular structure, and the surface where the holding pole body contacts the electric pole is provided with a rubber pad.

[0013] Furthermore, the mating seat includes a No. 2 sleeve and a mating rod. The No. 2 sleeve is welded to the first end of the fixed rod, and the mating rod is sleeved onto the No. 2 sleeve to form a connection. The contact surface of the mating rod and the electric pole is also provided with a rubber pad.

[0014] Furthermore, the connecting rod is connected to the ladder via a movable tube fastener, so that the angle of the connecting rod can be adjusted.

[0015] Furthermore, the lengths of the arc segment No. 1 a and the arc segment No. 2 a are equal, and the ratio of the arc segment No. 1 b and the arc segment No. 2 b is 4:5.

[0016] Furthermore, the end of the arc segment No. 1 b is provided with a connecting piece, and the connecting piece is respectively installed to the upper surface of the No. 1 upper plate and the lower surface of the No. 1 lower plate.

[0017] Furthermore, the inner sides of the No. 1 a-arc segment and the No. 2 a-arc segment are consistent with the contour of the utility pole, and rubber pads are also provided on the inner sides.

[0018] The technical effects and advantages of the present invention are as follows:

[0019] 1. The pole-holding mechanism at the top of the ladder of the present invention is electrically controlled to hold the pole tightly, thus avoiding excessive movements during high-altitude operations. At the same time, the electrical control can also increase the holding force, making the connection between the ladder and the pole more secure.

[0020] 2. The ladder top holding mechanism of the present invention provides an anti-tripping buckle on the connecting assembly, allowing workers to connect with it safely. If the ladder falls, the holding mechanism can be tightened to the pole by applying gravity, thus ensuring the safety of the workers.

[0021] 3. The supporting ladder holding rod mechanism of the present invention has a simple structure, is easy to assemble and disassemble, and is easy to carry. It is suitable for the mobile working nature of power construction and improves the working efficiency of power construction.

[0022] 4. The ladder support pole holding mechanism of the present invention can achieve relative fixation between the pole holding mechanism and the pole through the gravity of the pole holding mechanism itself and the friction between the pole and the pole, thereby achieving stable support for the ladder;

[0023] 5. The ladder support pole holding mechanism of the present invention is designed with a plug-in installation method, which can be adjusted for utility poles of different diameters to ensure the tightness of the pole holding mechanism and the utility pole. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of a ladder top holding rod mechanism of a ladder holding rod device according to an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of a ladder top holding rod mechanism of a ladder holding rod device according to an embodiment of the invention;

[0026] Figure 3 A schematic diagram of the ladder top holding mechanism of the ladder holding device according to an embodiment of the invention, and a schematic diagram of the coordination between the utility pole and the ladder;

[0027] Figure 4 This is a schematic diagram of a ladder support pole holding mechanism of a ladder support pole holding device according to an embodiment of the present invention being installed between a ladder and a utility pole for coordination;

[0028] Figure 5 This is a schematic diagram of a ladder support rod holding mechanism of a ladder support rod holding device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] This embodiment provides Figures 1 to 5 The ladder holding device shown includes a ladder holding mechanism supporting the ladder and a ladder top holding mechanism;

[0031] like Figure 1-Figure 3 As shown, the pole-holding mechanism at the top of the ladder includes a No. 1 clamping arm 1, a No. 2 clamping arm 2, a connecting assembly 3 and a driving assembly 4; the No. 1 clamping arm 1 and the No. 2 clamping arm 2 are connected by the connecting assembly 3, and form a clamping area 5 and a control area 6, the clamping area 5 is used to clamp and fix the utility pole, and the control area 6 is provided with a driving assembly 4, and the driving assembly 4 realizes the connection between the first end of the No. 1 clamping arm 1 and the first end of the No. 2 clamping arm 2.

[0032] Preferably, the No. 1 clamp arm 1 includes a No. 1 upper plate 11, a No. 1 lower plate 12 and a No. 1 bolt 13, the No. 1 upper plate 11 and the No. 1 lower plate 12 have the same structure, and the No. 1 upper plate 11 and the No. 1 lower plate 12 are connected by a number of No. 1 bolts 13 to form the No. 1 clamp arm 1 with an overall S-shaped structure; the No. 2 clamp arm 2 includes a No. 2 upper plate 21, a No. 2 lower plate 22 and a No. 2 bolt 23, the No. 2 upper plate 21 and the No. 2 lower plate have the same structure, and the No. 1 upper plate 11 and the No. 1 lower plate 12 are connected by a number of No. 1 bolts 13 to form the No. 2 clamp arm 2 with an overall S-shaped structure.

[0033] Specifically, the No. 1 clamping arm 1 and the No. 2 clamping arm 2 are connected through the drive assembly 4 to form a scissor-type structure; the connection between the No. 1 clamping arm 1 and the No. 2 clamping arm 2 serves as a connection point; the connection point separates the No. 1 clamping arm 1 into the No. 1 a arc segment 14 and the No. 1 b arc segment 15, and separates the No. 2 clamping arm 2 into the No. 2 a arc segment 24 and the No. 2 b arc segment 25; the No. 1 a arc segment 14 and the No. 2 a arc segment 24 form a clamping area 5, and the No. 1 b arc segment 15 and the No. 2 b arc segment 25 form a control area 6; the No. 1 a arc segment 14 and the No. 2 a arc segment 24 are equal in length, and the No. 1 b arc segment 15 and the No. 2 b arc segment 25 have a ratio of 4:5.

[0034] In addition, the ends of the arc-shaped segment No. 1 b 15 are provided with connecting pieces, which are respectively mounted to the upper surface of the No. 1 upper plate 11 and the lower surface of the No. 1 lower plate 12 .

[0035] In addition, the drive assembly 4 includes a control box 41, a drive motor 42 and a drive electric push rod 43, and the drive motor 42 and the drive electric push rod 43 are connected to the end of the No. 2 clamping arm 2 through a mounting seat, and the output end of the drive electric push rod 43 is connected to the connecting plate at the end of the No. 1 clamping arm 1, so as to realize the tightening and opening of the No. 1b arc segment 15 and the No. 2b arc segment 25, and thus realize the clamping and release of the No. 1a arc segment 14 and the No. 2b arc segment on the electric pole. It should be noted here that the output end of the drive motor 42 can be connected to the drive electric push rod 43 through a worm gear structure, so that the movement of the drive motor 42 drives the drive electric push rod 43 to move; the control box 41 is connected to the drive motor 42, and the control box 41 is provided with a power supply and a controller for controlling the driving motor 42 and the drive electric push rod 43; the output end of the drive electric push rod 43 is connected to the two connecting plates by a rotating shaft, so that the output end of the drive electric push rod 43 can rotate relative to the connecting plate.

[0036] The connecting assembly 3 is used for connecting the No. 1 clamping arm 1 and the No. 2 clamping arm 2, and is also used to connect the pole holding device to the ladder; the connecting assembly 3 includes a connecting bolt 31 and a fastening nut, the connecting bolt 31 passes through the No. 1 clamping arm 1 and the No. 2 clamping arm 2, and is connected to the fastening nut to realize the connection between the No. 1 clamping arm 1 and the No. 2 clamping arm 2, and the upper and lower ends of the connecting bolt 31 are provided with anti-trip buckles 33. When workers are working, they are connected to the anti-trip buckles 33 through safety buckles to ensure that they will not fall and avoid safety hazards; and the inner sides of the No. 1 arc segment a14 and the No. 2 arc segment a24 are in line with the contour of the utility pole, and rubber pads are also provided on the inner sides to increase the friction between the utility pole and the utility pole when the utility pole is tightly held.

[0037] like Figure 4 、 Figure 5As shown, the ladder support rod holding mechanism includes a connecting rod 7 and a holding rod assembly 8. One end of the connecting rod 1 is connected to the ladder 9; the other end of the connecting rod 7 is connected to the fixed rod 81 of the holding rod assembly 8. The holding rod assembly 8 cooperates with the electric pole 10 to achieve cooperation between the ladder 9 and the electric pole 10.

[0038] Two pole-holding mechanisms installed on the ladder 9 are regarded as a group, and several groups of pole-holding mechanisms are provided between the ladder 9 and the electric pole 10 .

[0039] Preferably, the pole holding assembly 8 includes a fixed rod 81, a connecting bent rod 82, a pole holding body 83 and a matching seat 84; the pole holding body 83 is connected to the first end of the fixed rod 81 through the connecting bent rod 82, and the matching seat 84 is also installed to the first end, and a pole holding area is formed between the pole holding body 83 and the matching seat 84, which is used to hold the electric pole 10.

[0040] Preferably, the second end of the fixing rod 81 is provided with a thread to realize the threaded connection between the fixing rod 81 and the connecting rod 7; one end of the connecting bent rod 82 is welded to the fixing rod 81, and the other end is provided with a No. 1 sleeve 821, and the holding rod body 83 is inserted into the No. 1 sleeve 821, and the holding rod body 83 and the connecting bent rod 82 form a semicircular structure;

[0041] Preferably, the No. 1 sleeve 821 is a square sleeve, and the pole body 83 is a square tube. The square tube structure can prevent the pole body 83 from rotating, forming a limit; this also improves the stability of the pole.

[0042] Preferably, the matching seat 84 includes a second sleeve 841 and a matching rod 842. The second sleeve 841 is welded to the first end of the fixing rod 81, and the matching rod 842 is sleeved onto the second sleeve 841 to form a connection.

[0043] Preferably, the second sleeve 841 is also a square sleeve, and the matching rod 842 is also a square tube, which improves the stability of direct contact with the utility pole 10.

[0044] Preferably, the surface where the holding pole body 83 contacts the electric pole 10 is provided with a rubber pad 85, and the surface where the matching rod 842 contacts the electric pole 10 is also provided with a rubber pad 85. The setting of the rubber pad 85 can form a large friction force between the electric pole 10, greatly improving the stability of the holding pole.

[0045] Preferably, the connecting rod 7 is connected to the ladder 9 through a movable tube fastener, which can realize the adjustment of the angle of the connecting rod 7. The movable tube fastener is a standard part, which is used to facilitate the fixation of the connecting rod 7. At the same time, the connecting rod 7 can be movable after being fixed. At this time, the movable connecting rod 7 is placed on the electric pole 10, that is, the fixation between the pole holding mechanism and the electric pole 10 can be achieved through gravity and the friction force generated by the pole holding body 83 and the matching seat 84 on the electric pole 10.

[0046] Preferably, the two holding pole mechanisms of each group are respectively installed on both sides of the ladder 9, and the holding pole assemblies 8 of the two holding pole mechanisms fully surround the electric pole 10, such as Figure 4 As shown, the stability of the ladder 9 is improved to avoid shaking left and right.

[0047] Preferably, the ladder 9 is tilted, the top of the ladder 9 contacts the electric pole 10, and the length of the connecting rod 7 gradually increases from top to bottom, and the length range of the connecting rod 7 is 0.5m-2m; Figure 4 As shown, a triangle is formed between the installed ladder 9 and the utility pole 10. The length of the connecting rod 7 needs to be increased from top to bottom so that the ladder 9 can be effectively connected to the utility pole 10 through the pole holding mechanism. This is also the purpose of setting the pole holding assembly 8 and the connecting rod 7 to be detachable, which is convenient for adjustment according to different heights and different construction conditions; it is also convenient to carry.

[0048] First, connect the pole holding assembly 8 and the connecting rod 7 to form a pole holding mechanism, and then connect the pole holding mechanism to the ladder 9 through fasteners according to the angle formed by the ladder 9 and the utility pole 10; form a step-by-step coordination between the pole holding mechanism and the utility pole 10 in turn, improve the support stability between the ladder 9 and the utility pole 10, and improve the construction safety of the workers.

[0049] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A ladder holding device, characterized in that: Including a ladder support rod mechanism and a ladder top rod mechanism; The support ladder pole-holding mechanism includes a connecting rod and a pole-holding assembly. One end of the connecting rod is connected to the ladder; the other end of the connecting rod is connected to the fixed rod of the pole-holding assembly. The pole-holding assembly cooperates with the telephone pole to realize the cooperation between the ladder and the telephone pole; the two support climbers The ladder pole-holding mechanism is a group, and there are several groups of the ladder-holding pole-holding mechanisms between the ladder and the telephone pole. The two support ladder-holding pole-holding mechanisms of each group are respectively installed on both sides of the telephone pole. The two pole-holding assemblies supporting the ladder-climbing pole-holding mechanism realize the complete surrounding of the telephone pole; The pole holding assembly includes a fixed pole, a connecting bent pole, a pole body and a fitting seat; the pole body is connected to the first end of the fixed pole through the connecting bent pole, and the fitting seat is also installed on the first end. A pole holding area is formed between the pole body and the fitting seat, which is used to hold the telephone pole; the ladder is set at an angle, and the top of the ladder is in contact with the telephone pole. From top to bottom, the length of the connecting rod gradually becomes larger, and the length range of the connecting rod is 0.5m-2m; The ladder top pole holding mechanism includes a No. 1 clamping arm, a No. 2 clamping arm, a connecting assembly, and a driving assembly. The No. 1 clamping arm and the No. 2 clamping arm are connected by the connecting assembly to form a clamping area and a control area. The clamping area is used to clamp and fix the utility pole, and the control area is provided with a driving assembly. The No. 1 clamp arm includes a No. 1 upper plate, a No. 1 lower plate and a No. 1 bolt. The No. 1 upper plate and the No. 1 lower plate have the same structure. The No. 1 upper plate and the No. 1 lower plate are connected by a number of No. 1 bolts to form a No. 1 clamp arm with an overall S-shaped structure; The No. 2 clamp arm includes a No. 2 upper plate, a No. 2 lower plate and a No. 2 bolt. The No. 2 upper plate and the No. 2 off-duty structure are the same. The No. 2 upper plate and the No. 2 lower plate are connected by a number of No. 2 bolts to form a No. 2 clamp arm with an overall S-shaped structure; The first clamping arm and the second clamping arm are connected by a drive assembly to form a scissor-type structure; the connection between the first clamping arm and the second clamping arm serves as a connection point; the connection point separates the first clamping arm into an arc segment a and an arc segment b, and separates the second clamping arm into an arc segment a and an arc segment b; the arc segments a and a form a clamping area, and the arc segments b and b form a control area. The drive assembly includes a control box, a drive motor and a drive electric push rod. The drive motor and drive electric push rod are connected to the end of the No. 2 clamp arm through a mounting base. The output end of the drive electric push rod is connected to the connecting piece at the end of the No. 1 clamp arm to realize the No. 1 b arc. The tightening and opening of the No. 1 a arc segment and the No. 2 b arc segment, thereby realizing the clamping and releasing of the No. 1 a arc segment and the No. 2 a arc segment on the utility pole; the control box is connected to the drive motor, and the control box is provided with a power supply and a controller for controlling the drive motor and the drive electric push rod; The output end of the driving electric push rod is connected to the two connecting pieces through a rotating shaft, so that the output end of the driving electric push rod can rotate relative to the connecting piece; the connecting component is used to connect the No. 1 clamp arm and the No. 2 clamp arm, and is also used to connect the pole holding device with the climbing device. The connection is made between the ladders; the connection component includes a connecting bolt and a fastening nut. The connecting bolt passes through the No. 1 clamp arm and the No. 2 clamp arm and is connected with the fastening nut to realize the connection between the No. 1 clamp arm and the No. 2 clamp arm. The upper and lower ends of the connecting bolt are equipped with anti-trip protection.

2. The ladder holding device according to claim 1, characterized in that: The second end of the fixed rod is provided with a thread to realize the threaded connection between the fixed rod and the connecting rod; one end of the connecting bent rod is welded to the fixed rod, and the other end is provided with a No. 1 sleeve, and the holding pole body is inserted into the No. 1 sleeve. The holding pole body and the connecting bent rod form a semicircular structure, and the surface of the holding pole body in contact with the electric pole is provided with a rubber pad.

3. The ladder holding device according to claim 1, characterized in that: The matching seat includes a No. 2 sleeve and a matching rod. The No. 2 sleeve is welded to the first end of the fixed rod. The matching rod is sleeved onto the No. 2 sleeve to form a connection. The contact surface of the matching rod and the electric pole is also provided with a rubber pad.

4. The ladder holding device according to claim 1, characterized in that: The connecting rod is connected to the ladder via a movable pipe fastener, so that the angle of the connecting rod can be adjusted.

5. The ladder holding device according to claim 1, characterized in that: The lengths of the arc segment No. 1 a and the arc segment No. 2 a are equal, and the ratio of the arc segment No. 1 b and the arc segment No. 2 b is 4:

5.

6. The ladder holding device according to claim 1, characterized in that: The ends of the arc segment No. 1 b are provided with connecting pieces, and the connecting pieces are respectively mounted to the upper surface of the No. 1 upper plate and the lower surface of the No. 1 lower plate.

7. The ladder holding device according to claim 1, characterized in that: The inner sides of the No. 1 a-arc segment and the No. 2 a-arc segment are consistent with the contour of the utility pole, and rubber pads are also provided on the inner sides.

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