CN209088411U - The hard ladder of the mobile insulation of hot line maintenance - Google Patents

Abstract

The utility model relates to a mobile insulating rigid ladder for live work on transmission lines, comprising a horizontally arranged ladder body, a riding platform driven by a driving mechanism to move on the ladder body, and the riding platform is moved on the ladder body by rollers, The front end of the ladder body is provided with a hook for hooking the wire. The structure of the mobile insulating rigid ladder for live work of the transmission line is simple.

Description

Mobile insulated rigid ladder for live work on transmission lines

technical field

The utility model relates to a mobile insulating rigid ladder for live work of power transmission lines.

Background technique

At present, in the process of equipotential operators entering the high-voltage electric field by horseback, due to the difference in the technical level of the personnel, there are problems such as poor swing control during the movement process and poor control of the combination gap. At the same time, it needs to move at high altitude, and there are certain safety hazards. At present, it usually takes 3-6 minutes to enter the electric field using a hard ladder. In the actual work process, the equipotential workers need to climb a 6-meter slope along the insulated hard ladder to enter the high-voltage electric field with bare hands, and the equipotential workers have consumed a lot of physical energy before performing live work.

Utility model content

In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a mobile insulating rigid ladder for live work of transmission lines, which is not only simple in structure, but also convenient and efficient.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is as follows: a movable insulating rigid ladder for live work on power transmission lines, comprising a horizontally arranged ladder body, and a riding platform driven and moved by a driving mechanism is arranged on the ladder body. The riding platform is moved on the ladder body via rollers, and the front end of the ladder body is provided with a hook for hooking the wire.

Preferably, the bottom of the riding platform is provided with a rotating shaft which is driven and swung by a handle, and one end of the rotating shaft is fixed with a bayonet for swaying and clamping the climbing crossbar on the ladder body.

Preferably, the ladder body includes two square straight rods, and several climbing cross rods are evenly fixed between the two straight rods.

Preferably, the shape of the roller is an "H" shape, the straight bars on the left and right sides of the ladder body on the front and rear sides of the riding platform are provided with rollers, and the upper and lower surfaces of the straight bars are in rolling fit with the middle of the roller. The side parts are fixed with side plates for installing the rollers. There are side plates on the left and right sides of the roller above the straight rod, and the outer end side of the roller under the straight rod has side plates, and the inner end sides are connected as a whole through the main shaft.

Preferably, a handrail is fixed on the upper surface of the front side of the riding platform.

Preferably, a shaft sleeve extending front and rear is fixed on the bottom surface of the riding platform, the rotating shaft is coaxially located inside the shaft sleeve, the handle is fixed at the rear end of the rotating shaft, and the bayonet is located at the front end of the rotating shaft.

Preferably, a card is vertically fixed at the front end of the rotating shaft, the bayonet is opened at the end of the card, the shape of the handle is an "L" shape, and the end of the short side is fixedly integrated with the rear end of the rotating shaft, The length of its long side is greater than that of the card and its extension direction is opposite to that of the card, and the handle is located above the card.

Preferably, the driving mechanism includes a traction rope, a certain pulley is installed at the front end of the ladder body, one end of the traction rope is bound on the front side of the riding platform, and the other end is wound forward on the fixed pulley and then extends backward, and passes through the fixed pulley. The bottom of the ride platform extends to the rear end of the ladder body.

Preferably, the front end of the ladder body is bound with a hook by a pulling rope, and the front side of the riding platform is provided with a hook hole for hooking into the hook; the shape of the hook is an inverted "J" shape of 180° , with its hanging mouth facing down.

Compared with the prior art, the utility model has the following beneficial effects: the structure of the mobile insulating rigid ladder for live operation of the transmission line is simple, the front end of the ladder body is suspended on the wire through the hook, and the rear end of the ladder body is erected on the pole tower. On the platform, the staff sits on the riding platform and moves forward into the electric field to work, which saves time and effort compared to traditional climbing operations.

The present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a front view of an embodiment of the present utility model with hooks, hooks and fixed pulleys removed (the rotating shaft is not swung).

FIG. 2 is a front view of the embodiment of the present utility model with hooks, hooks, and fixed pulleys removed (rotation shaft swings).

FIG. 3 is a side view of the embodiment of the utility model (rotation shaft swings).

FIG. 4 is a top view (rotation shaft swing) of the hook removed according to the embodiment of the present invention.

Detailed ways

In order to make the above-mentioned features and advantages of the present utility model more obvious and easy to understand, the following specific embodiments are given and the accompanying drawings are described in detail as follows.

As shown in FIGS. 1 to 4 , a mobile insulating rigid ladder for live work on transmission lines includes a horizontally arranged ladder body, and a riding platform 2 driven by a driving mechanism is provided on the ladder body. The riding platform is driven by rollers 3 . It moves on the ladder body, and the front end of the ladder body is provided with a hook 1 for hooking the wire.

In the embodiment of the present invention, the bottom of the riding platform is provided with a rotating shaft 5 that is driven and swung by the handle 4, and one end of the rotating shaft is fixed with a clamp for swaying and clamping the climbing crossbar 6 on the ladder body. mouth 7.

In the embodiment of the present invention, the ladder body includes two square straight rods 8, and several climbing cross rods are evenly fixed between the two straight rods.

In the embodiment of the present invention, the shape of the roller is an "H" shape, the straight bars on the left and right sides of the ladder body on the front and rear sides of the riding platform are provided with rollers, and the upper and lower surfaces of the straight bars roll with the middle of the roller. In cooperation, the side parts of the riding platform are fixed with side plates 9 for installing the rollers, wherein there are side plates on the left and right sides of the roller above the straight rod, and the outer end side of the roller under the straight rod has a side plate, and between the inner end side The main shaft 10 is connected as a whole.

In the embodiment of the present invention, a handrail 11 is fixed on the upper surface of the front side of the ride platform.

In the embodiment of the present invention, a shaft sleeve 12 extending front and rear is fixed on the bottom surface of the riding platform, the rotating shaft is coaxially located inside the shaft sleeve, the handle is fixed at the rear end of the rotating shaft, and the bayonet is located at the front end of the rotating shaft.

In the embodiment of the present invention, a card 13 is vertically fixed at the front end of the rotating shaft, the bayonet is opened at the end of the card, the shape of the handle is an "L" shape, and the end of the short side is connected to the rear of the rotating shaft. The end is fixed and integrated, the length of its long side is greater than the length of the card and the extension direction is opposite to the card, and the handle is located above the card; the weight of the long side of the handle is greater than the weight of the card, the long side of the handle extends to the left, and the card goes to Extending to the right, under the action of gravity on the long side of the handle, the card swings up and rests on the bottom surface of the riding platform, and will not swing down easily. Only by swinging the handle with external force can the card swing down.

In the embodiment of the present invention, the driving mechanism includes a traction rope 14, a certain pulley 15 is installed at the front end of the ladder body, one end of the traction rope is bound on the front side of the riding platform, and the other end is wound forward on the fixed pulley It extends backward and extends to the rear end of the ladder body through the bottom of the riding platform.

In the embodiment of the present invention, the front end of the ladder body is bound with a hook 16 by a pulling rope, and the front side of the riding platform is provided with a hook hole 17 for hooking the hook; the shape of the hook is inverted 180° "J" shape with the hanging mouth facing down.

A working method for moving an insulated hard ladder for live work on a transmission line is carried out according to the following steps: (1) the front end of the ladder body is suspended on the wire through the hook, and the rear end of the ladder body is erected on the pole tower; (2) the staff sits On the riding platform, the staff on the tower pulls the traction rope backward to make the riding platform move forward; (3) When it is necessary to temporarily stop during the forward movement, the handle can be rotated to make the bayonet jam the climbing ladder on the ladder body. Climbing the crossbar, the riding platform stops and cannot move forward and backward; (4) When you need to move forward, swing the bayonet away from the climbing crossbar. After the riding platform moves to the front end of the ladder body, hook the hook into the hook hole to carry out The positioning of the riding platform allows the staff to work.

In the embodiment of the present invention, since the lead wire is unstable, the front end of the ladder body cannot be directly erected on the lead wire. Through the design of the hook, the front end of the ladder body can be suspended on the lead wire through the hook, the connection is stable and reliable, and the safety factor is high.

The present utility model is not limited to the above-mentioned best embodiment, and anyone can come up with other various forms of mobile insulating rigid ladders for live work on transmission lines under the inspiration of the present utility model. All equivalent changes and modifications made according to the scope of the patent application of the present invention shall belong to the scope of the present invention.

Claims (9)

1. A mobile insulating rigid ladder for live operation of power transmission lines, characterized in that: it comprises a ladder body arranged horizontally, a riding platform driven and moved by a driving mechanism is provided on the ladder body, and the riding platform is on the ladder body through rollers Moving, the front end of the ladder body is provided with a hook for hooking the wire. 2 . The mobile insulating rigid ladder for live work on power transmission lines according to claim 1 , wherein the bottom of the ride platform is provided with a rotating shaft driven by a handle to swing, and one end of the rotating shaft is fixed with a swing and parallel clamp. 3 . Hold the tabs on the climbing rails on the ladder body. 3 . The mobile insulating rigid ladder for live work on a power transmission line according to claim 1 , wherein the ladder body comprises two square straight rods, and several climbing cross rods are evenly fixed between the two straight rods. 4 . 4. The mobile insulating rigid ladder for live work on transmission lines according to claim 1, characterized in that: the shape of the roller is an "H" shape, and the straight bars on the left and right sides of the ladder body on the front and rear sides of the riding platform are both up and down. There are rollers, and the upper and lower surfaces of the straight rod are in rolling fit with the middle of the rollers. The sides of the riding platform are fixed with side plates for installing the rollers. There are side plates on the left and right sides of the rollers above the straight rod, and the rollers below the straight rod. The outer end side has a side plate, and the inner end side is connected as a whole through the main shaft. 5 . The mobile insulating rigid ladder for live work on transmission lines according to claim 1 , wherein a handrail is fixed on the upper surface of the front side of the ride platform. 6 . 6 . The mobile insulating rigid ladder for live work on transmission lines according to claim 2 , wherein a shaft sleeve extending front and rear is fixed on the bottom surface of the riding platform, the rotating shaft is coaxially located inside the shaft sleeve, and the handle is fixed behind the rotating shaft. 7 . end, the bayonet is located at the front of the shaft. 7. The mobile insulating rigid ladder for live work on transmission lines according to claim 6, wherein a card is vertically fixed at the front end of the rotating shaft, the bayonet is opened at the end of the card, and the handle has a shape of " L" shape, the end of the short side and the rear end of the rotating shaft are fixed as a whole, the length of the long side is longer than the length of the card and the extension direction is opposite to the card, and the handle is located above the card. 8 . The mobile insulating rigid ladder for live work on transmission lines according to claim 1 , wherein the driving mechanism comprises a traction rope, a certain pulley is installed at the front end of the ladder body, and one end of the traction rope is bound on the side of the riding platform. 9 . The front side and the other end are wound forward on the fixed pulley and then extend backward, and extend to the rear end of the ladder body through the bottom of the riding platform. 9 . The mobile insulating rigid ladder for live work on transmission lines according to claim 1 , wherein the front end of the ladder body is bound with a hook by a pull rope, and the front side of the ride platform is provided with a hook for the hook. 10 . into the hook hole; the shape of the hook is an inverted "J" shape of 180°, and its hanging mouth faces downward.