CN113914767B - Ladder fixed knot structure is hung in electric power construction and ladder is hung in electric power construction - Google Patents

Abstract

The invention discloses an electric power construction hanging ladder fixing structure and an electric power construction hanging ladder, belonging to the field of electric power construction auxiliary equipment.

Description

A hanging ladder fixing structure for electric power construction and hanging ladder for electric power construction

technical field

The invention relates to the field of auxiliary equipment for electric power construction, in particular to a fixed structure for a hanging ladder for electric power construction and a hanging ladder for electric power construction.

Background technique

In the outdoor work site of the substation, the basic poles of the substation equipment such as isolating switches, lightning arresters and circuit breakers are often relatively high. Insulation ladder auxiliary, in order to prevent personal accidents such as falling from a height caused by the ladder toppling when people are climbing up and down or standing on the ladder, it is necessary to fix the insulation ladder and the equipment foundation first. In the work site, one person is often adopted Staying on the ladder, another person climbs up the ladder, and fastens the top of the ladder and the equipment through the rope. This method is laborious and not very safe. There are two main reasons: first, the person is climbing the ladder and tying the rope In the process, there is a safety risk of the ladder toppling and people falling from heights. Second, the rope binding is not very firm after all, and the rope has limited toughness, and it is easy to break after being used for a long time.

In electrical construction, it is often necessary to hang a rope ladder on the existing cable for construction. Often, the fixation is not firm, which makes the rope ladder slide left and right along the cable and affects the construction. However, if the hanging ladder and the cable are fixed, it is not convenient for workers to construct. For this reason, we propose a fixed structure of a hanging ladder for electric power construction and a hanging ladder for electric power construction to solve the problems raised above.

Contents of the invention

The object of the present invention is to provide a fixed structure for hanging ladders in electric power construction, which can achieve more secure mounting and facilitate the movement of the hanging ladders.

The second object of the present invention is to provide an electric power construction hanging ladder using the above-mentioned fixed structure

In order to solve the above problems, the present invention adopts the following technical solutions:

A hanging ladder fixing structure for electric power construction, comprising a mounting base and two braking bases, one side of the mounting base is provided with a mounting wheel set, and the two braking bases are symmetrically arranged on both sides of the mounting base. side, and the brake seats on both sides can move toward the side away from the mounting seat. The back side of the brake seat is equipped with a brake pressure plate corresponding to the height where the cable is mounted in the mounting wheel set, and the brake pressure plate Against the side of the cable, a control handle is slidably installed on the front side of the brake seat, and the control handle is linked with the brake pressure plate through the oil delivery mechanism.

As a preferred solution of the present invention, a brake oil chamber is opened at the upper end of the brake seat corresponding to the position of the brake pressure plate, and a brake piston is fixedly connected to the outer end of the brake pressure plate, and the brake piston is slidably connected to It is connected with the inner cavity of the brake oil cavity, and the front end of the inner cavity of the brake oil cavity is communicated with the oil outlet end of the oil delivery mechanism.

As a preferred solution of the present invention, the cross section of the brake piston is larger than the cross section of the brake pressure plate, and the brake pressure plate is arranged through the inner side of the brake oil chamber.

As a preferred solution of the present invention, the inner side of the brake pressure plate is fixedly connected with a friction pad, and the inner side of the friction pad is provided with friction lines.

As a preferred solution of the present invention, the oil delivery mechanism is slidably connected with an oil delivery piston, and the inner cavity of the oil delivery mechanism is filled with hydraulic oil corresponding to the upper end of the oil delivery piston, and the lower end of the oil delivery piston is fixedly connected with a linkage rod, and the lower end of the oil delivery piston is sleeved with a piston spring corresponding to the position of the outer wall of the linkage rod, and the lower end of the piston spring is offset against the lower end of the inner wall of the oil delivery mechanism.

As a preferred solution of the present invention, the lower end of the brake seat is provided with a handle chute, and a handle slider is slidably connected to the handle chute, and the control handle is fixedly installed on the front of the handle slider. The lower end of the connecting rod passes through the bottom of the oil delivery mechanism and is fixedly connected with the handle slide block.

As a preferred solution of the present invention, a slider spring is provided at the bottom of the inner cavity of the handle chute, and the upper end of the slider spring abuts against the bottom of the handle slider.

As a preferred solution of the present invention, the mounting wheel set includes an anti-off plate, a plurality of mounting shafts and a plurality of mounting rollers, the mounting shafts are fixedly connected to the back side of the mounting seat, and the mounting The rollers are rotatably mounted on the mounting shafts, and the back sides of the multiple mounting shafts are all fixedly connected with the anti-dropping plates.

As a preferred solution of the present invention, a safety mechanism is provided at the lower end of the mounting base, and the safety mechanism includes a safety screw, a safety pressing block and a safety knob, the safety screw is arranged through the mounting seat, and the safety screw is connected to the hanging The seat is threadedly connected, the inner end of the safety screw is rotatably connected with a safety pressure block, and the front end of the safety screw is fixedly connected with a safety knob, and both ends of the safety pressure block are provided with limit rods, and the limit rods slide back and forth Set at the bottom of the mount.

A hanging ladder for electric power construction, comprising a hanging ladder column and a plurality of hanging ladder steps. In the fixed structure, the mounting seat is arranged on the upper end of the vertical column of the hanging ladder, and the brake seats on both sides are movably plugged in on both sides of the hanging ladder for electric power construction through the plug-in guide mechanism, and the two brake seats near the upper end The back side of each of the ladder steps is provided with an insertion slot, and the brake seats on both sides are fixedly connected to the side of the ladder steps with a plug-in rod, and the plug-in rod penetrates through the vertical column of the ladder and is slidably connected to the plug-in connector. In the groove, the ends of the inserting rods on both sides are fixedly connected with the limit blocks.

Compared with the prior art, the present invention has the advantages of:

(1) In this scheme, through the set of mounting wheels, the mounting wheels can mount the ladder on the cable, and enable the ladder to move, and through the set brake seat, the brake seat can press the brake pressure plate Towards the front side of the cable, through the friction between the brake plate and the cable, the mounting of the hanging ladder on the cable is more stable.

(2) Through the oil delivery mechanism provided in this scheme, the control handle can push the brake pressure plate to shrink and eject through the cooperation of the oil delivery mechanism and the brake oil chamber, which is convenient for switching the fixed state between the brake seats and cables on both sides , to facilitate the movement of the hanging ladder, the plug-in guide mechanism can work alternately through the brake seats on both sides to realize the function of moving the hanging ladder on the cable, the structure is simple and practical.

(3) Through the safety mechanism set up in this scheme, the safety pressing block is pushed to the bottom of the cable through the safety screw, and the safety pressing block clamps and presses the bottom of the cable to further improve the firmness of the hanging ladder when it is used. , Improve the safety of the coming electric power construction.

Description of drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a side sectional view of the brake seat in the present invention.

Fig. 3 is a partial side sectional view of the electric construction hanging ladder in the present invention.

Fig. 4 is a partial side sectional view of the electric construction hanging ladder after the safety mechanism is installed in the present invention.

Fig. 5 is a top sectional view of the movable plug structure in the present invention.

Explanation of symbols in the figure:

1. Mounting seat; 2. Brake seat; 3. Mounting wheel set; 4. Brake pressure plate; 5. Control handle; 6. Brake oil chamber; 7. Brake piston; 8. Oil delivery mechanism; 9 , oil delivery piston; 10, linkage rod; 11, handle chute; 12, handle slider; 13, piston spring; 14, friction pad; 15, hanging ladder column; 16, hanging ladder step; 17, socket slot ; 18, plug rod; 19, limit block; 20, anti-off plate; 21, mount shaft; 22, mount roller; 23, safety screw; 24, safety pressure block; 25, safety knob; 26, slide block spring.

Detailed ways

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.

Example:

Please refer to Figures 1-5, a fixed structure for hanging ladders in electric power construction, including a mounting base 1 and two braking bases 2, one side of the mounting base 1 is provided with a mounting wheel set 3, and the two The brake seat 2 is symmetrically arranged on both sides of the mounting seat 1, and the brake seats 2 on both sides can move toward the side away from the mounting seat 1. The back side of the brake seat 2 corresponds to the cable on the mounting wheel. The height mounted in the group 3 is provided with a brake pressure plate 4, and the brake pressure plate 4 is in contact with the side of the cable. The front side of the brake seat 2 is slidingly installed with a control handle 5, and the control handle 5 passes through the oil delivery mechanism 8 Linked with the brake pressure plate 4.

Specifically, the upper end of the brake seat 2 is provided with a brake oil chamber 6 corresponding to the position of the brake pressure plate 4, and the outer end of the brake pressure plate 4 is fixedly connected with a brake piston 7, and the brake piston 7 is slidably connected It is connected with the inner chamber of the brake oil chamber 6, and the front end of the inner chamber of the brake oil chamber 6 communicates with the oil outlet end of the oil delivery mechanism 8.

In this embodiment, through the brake oil chamber 6 provided, the movement of the brake pressure plate 4 in the brake oil chamber 6 can be controlled by the oil delivery mechanism 8, which facilitates the control of the brake pressure plate 4.

Specifically, the cross section of the brake piston 7 is larger than the cross section of the brake pressure plate 4 , and the brake pressure plate 4 is arranged through the inner side of the brake oil chamber 6 .

In this embodiment, the cross section of the brake piston 7 is larger than the size of the cross section of the brake pressure plate 4 to prevent the brake piston 7 from slipping and ensure the normal operation of the brake pressure plate 4 .

Specifically, the inner side of the brake pressure plate 4 is fixedly connected with a friction pad 14 , and the inner side of the friction pad 14 is provided with friction lines.

In this embodiment, the friction pad 14 provided increases the frictional force between the brake pressure plate 4 and the cable, thereby ensuring the fixing effect of the brake seat 2 .

Specifically, the oil delivery mechanism 8 is slidingly connected with an oil delivery piston 9, and the inner cavity of the oil delivery mechanism 8 is filled with hydraulic oil corresponding to the upper end of the oil delivery piston 9, and the lower end of the oil delivery piston 9 is fixedly connected with a linkage rod 10, and the lower end of the oil delivery piston 9 is sleeved with a piston spring 13 corresponding to the position of the outer wall of the linkage rod 10, and the lower end of the piston spring 13 is in contact with the lower end of the inner wall of the oil delivery mechanism 8.

In this embodiment, through the provided oil delivery piston 9, the oil delivery piston 9 is limited by the piston spring 13, so that the oil delivery piston 9 maintains an upward thrust when it is not subjected to external force, thereby maintaining the brake oil chamber 6 inner chamber. Press to ensure the friction between the brake pressure plate 4 and the surface of the cable.

Specifically, the lower end of the brake seat 2 is provided with a handle chute 11, and a handle slider 12 is slidably connected to the handle chute 11, and the control handle 5 is fixedly installed on the front of the handle slider 12. The lower end of the linkage rod 10 penetrates through the bottom of the oil delivery mechanism 8 and is fixedly connected with the handle slide block 12 .

Specifically, a slider spring 26 is provided at the bottom of the inner cavity of the handle chute 11 , and the upper end of the slider spring 26 abuts against the bottom of the handle slider 12 .

In this embodiment, the provided slider spring 26 further increases the upward pressure exerted by the oil delivery piston 9 when the control handle 5 is not subjected to external force.

Specifically, the mounting wheel set 3 includes an anti-off plate 20, a plurality of mounting shafts 21 and a plurality of mounting rollers 22, the mounting shafts 21 are fixedly connected to the back side of the mounting base 1, and are mounted The rollers 22 are rotatably mounted on the mounting shafts 21 , and the back sides of a plurality of the mounting shafts 21 are all fixedly connected with the anti-dropping plates 20 .

In this embodiment, a plurality of mounting rollers 22 are provided to facilitate the movement of the hanging ladder.

Specifically, the lower end of the mounting base 1 is provided with a safety mechanism, and the safety mechanism includes a safety screw 23, a safety pressing block 24 and a safety knob 25. The safety screw 23 is arranged through the mounting seat 1, and the safety screw 23 is connected to The mounting base 1 is threaded, the inner end of the safety screw 23 is rotatably connected with a safety pressure block 24, and the front end of the safety screw 23 is fixedly connected with a safety knob 25, and both ends of the safety pressure block 24 are provided with limit rods , and the limit rod slides back and forth and is set on the bottom of the mounting base 1.

In this embodiment, through the safety mechanism provided, the safety pressing block 24 is pushed to the bottom of the cable through the safety screw rod 23, and the safety pressing block 24 clamps and presses the bottom of the cable to further improve the safety when using the ladder. The degree of firmness improves the safety of the incoming electric power construction.

An electric power construction hanging ladder, comprising a hanging ladder column 15 and a plurality of hanging ladder steps 16, a plurality of said hanging ladder steps 16 are equidistantly distributed on the upper end of the hanging ladder column 15, and the upper end of the electric construction hanging ladder is provided with the above In the fixed structure, the mounting seat 1 is arranged on the upper end of the vertical column 15 of the hanging ladder, and the brake seats 2 on both sides are movably inserted on both sides of the hanging ladder for electric power construction through the plugging guide mechanism, close to The back sides of the two hanging ladder steps 16 at the upper end are provided with insertion slots 17, and the brake seats 2 on both sides are fixedly connected to the side of the hanging ladder steps 16 with an insertion rod 18, and the insertion rod 18 runs through the The vertical column 15 of the hanging ladder is slidably connected in the insertion slot 17, and the ends of the insertion rods 18 on both sides are fixedly connected with the limit block 19.

In this embodiment, the brake seats 2 on both sides can move with the hanging ladder through the provided plug-in guide mechanism.

Working principle: When using this device, pull down the control handles 5 on both sides, then mount the wheel set 3 on the cable, and then release the control handle 5, the brake seat 2 can press the brake pressure plate 4 to the line On the front side of the cable, the friction between the brake plate 4 and the cable makes the mounting of the hanging ladder on the cable more stable. When the hanging ladder needs to move, first pull the front control handle 5 of the brake seat 2 in the moving direction Next, at this time, since the brake seat 2 on the other side remains fixed, the brake seat 2 can be pulled out toward the forward direction through the control handle 5, and when the brake seat 2 reaches the outermost end, release the control handle 5 , move the hanging ladder column 15 toward the forward direction, and then repeat the above operation with the brake seat 2 on the other side, and move the hanging ladder toward the forward direction for a certain distance. Since the brake seats 2 on both sides move alternately, there is always a The brake seat 2 remains fixed, so that the hanging ladder can move along the cable against the direction of gravity, and it will not lose control when moving along the direction of gravity, which is convenient for electric construction and ensures the safety of electric construction personnel.

Claims (9)

1. A fixed structure for hanging ladders in electric power construction, including a mounting base (1) and two braking bases (2), characterized in that: one side of the mounting base (1) is provided with a mounting wheel set ( 3), the two brake seats (2) are symmetrically arranged on both sides of the mounting seat (1), and the brake seats (2) on both sides can move toward the side away from the mounting seat (1), so The back side of the brake seat (2) is equipped with a brake pressure plate (4) corresponding to the height where the cable is mounted in the mounting wheel set (3), and the brake pressure plate (4) is against the side of the cable. A control handle (5) is slidingly installed on the front side of the brake seat (2), and the control handle (5) is linked with the brake pressure plate (4) through the oil delivery mechanism (8); The upper end of the brake seat (2) is provided with a brake oil chamber (6) corresponding to the position of the brake pressure plate (4), and the outer end of the brake pressure plate (4) is fixedly connected with a brake piston (7). The brake piston (7) is slidingly connected to the inner cavity of the brake oil chamber (6), and the front end of the inner cavity of the brake oil chamber (6) communicates with the oil outlet end of the oil delivery mechanism (8). 2. A hanging ladder fixing structure for electric power construction according to claim 1, characterized in that: the cross section of the brake piston (7) is larger than the cross section size of the brake pressure plate (4), and the brake pressure plate (4) runs through The inner side of the brake oil chamber (6) is set. 3. A hanging ladder fixing structure for electric power construction according to claim 1, characterized in that: the inner side of the brake pressure plate (4) is fixedly connected with a friction pad (14), and the friction pad (14) There are friction lines on the inside. 4. A hanging ladder fixing structure for electric power construction according to claim 1, characterized in that: the oil delivery mechanism (8) is slidingly connected with an oil delivery piston (9), and the inner cavity of the oil delivery mechanism (8) The upper end of the corresponding oil delivery piston (9) is filled with hydraulic oil, the lower end of the oil delivery piston (9) is fixedly connected with the linkage rod (10), and the lower end of the oil delivery piston (9) corresponds to the position of the outer wall of the linkage rod (10) A piston spring (13) is sleeved, and the lower end of the piston spring (13) is opposed to the lower end of the inner wall of the oil delivery mechanism (8). 5. A hanging ladder fixing structure for electric power construction according to claim 4, characterized in that: the lower end of the brake seat (2) is provided with a handle chute (11), and the inside of the handle chute (11) The handle slider (12) is slidably connected, the control handle (5) is fixedly installed on the front of the handle slider (12), and the lower end of the linkage rod (10) passes through the bottom of the oil delivery mechanism (8) and connects with the handle Slide block (12) is fixedly connected. 6. A hanging ladder fixing structure for electric power construction according to claim 5, characterized in that: a slider spring (26) is provided at the bottom of the inner cavity of the handle chute (11), and the slider spring (26 ) against the bottom of the handle slider (12). 7. The fixed structure of a hanging ladder for electric power construction according to claim 1, characterized in that: the mounting wheel set (3) includes an anti-off plate (20), a plurality of mounting shafts (21) and a plurality of The mounting roller (22), the mounting rotating shaft (21) is fixedly connected to the back side of the mounting seat (1), and the mounting roller (22) is rotatably mounted on the mounting rotating shaft (21). The back side of the mounting rotating shaft (21) is fixedly connected with the anti-off plate (20). 8. A hanging ladder fixing structure for electric power construction according to claim 1, characterized in that: the lower end of the mounting base (1) is provided with a safety mechanism, and the safety mechanism includes a safety screw (23), a safety pressing block (24) and safety knob (25), the safety screw (23) is set through the mounting base (1), and the safety screw (23) is threadedly connected with the mounting base (1), the safety screw (23) The inner end is rotatably connected with a safety pressing block (24), and the front end of the safety screw rod (23) is fixedly connected with a safety knob (25). Both ends of the safety pressing block (24) are provided with limit rods, and the limit rods Sliding back and forth is arranged at the bottom of the mounting base (1). 9. A hanging ladder for electric power construction, including a hanging ladder column (15) and a plurality of hanging ladder steps (16), and a plurality of said hanging ladder steps (16) are equally spaced on the upper end of the hanging ladder column (15). It is characterized in that: the upper end of the electric construction hanging ladder is provided with a fixed structure for the electric construction hanging ladder according to any one of claims 1-8, and the mounting seat (1) is arranged on the bottom of the hanging ladder column (15). At the upper end, the brake seats (2) on both sides are movably plugged to both sides of the electric construction hanging ladder through the plug-in guide mechanism, and the back side of the two hanging ladder steps (16) near the upper end is provided with a plug The connecting groove (17), the brake seat (2) on both sides is fixedly connected with the insertion rod (18) toward the side of the ladder step (16), and the insertion rod (18) runs through the ladder column (15 ) and slidingly connected in the insertion groove (17), and the ends of the insertion rods (18) on both sides are fixedly connected to the limit block (19).

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