CN210957557U - Insulated delivery vehicle for equipotential operation - Google Patents

Abstract

The utility model discloses an insulated carrier for equipotential operation, relating to the technical field of electric power construction tools; the steel frame support is characterized by comprising a plurality of support rods, connecting rods are arranged between the support rods, the two ends of each connecting rod are connected with the support rods on the two sides of each connecting rod, a buffer rod which is fixedly connected with an iron frame is hinged to one end of each support rod, and a coil spring is arranged at the hinged position of each buffer rod and the corresponding support rod. The utility model discloses when using, fix the buffer beam on the iron stand earlier, buffer beam and bracing piece laminating during the initial time, then transfer the bracing piece, the buffer beam does not rotate, and the bracing piece rotates towards the electric wire, and the wind spring plays the effect of buffering, and the bracing piece can not cause very big impact with the electric wire, can prevent to shake and fall to ground.

Description

Insulated delivery vehicle for equipotential operation

Technical Field

The utility model belongs to the technical field of the electric power construction tool, in particular to an insulating delivery vehicle for equipotential operation.

Background

The iron frame is a columnar structure which is composed of a plurality of angle irons and used for supporting a cross arm, the columnar structure is similar to a truss, a part of the angle irons are horizontal cross rods, the cross rods are distributed on the side surface of the iron frame along the axis of the iron frame 1, the cross arm is arranged at the top end of the iron frame, insulators are arranged on the cross arm, electric wires are connected to the bottom ends of the insulators, operators sometimes need to carry out live working on the electric wires, namely equipotential working, particularly equipotential working at 220kv voltage, and the prior art usually adopts a scissor type working platform to ascend to the electric wires from the ground to carry out equipotential working; at present, a plurality of wires are positioned on a mountain, the scissor type work platform is difficult to transport to the mountain, even if the scissor type work platform can be transported to the mountain, the scissor type work platform is difficult to keep stable due to uneven ground in the field, and live working can not be carried out by using the method.

A safety method for the lightning arrester to enter an equipotential state in an electrified way utilizes an insulating carrier to replace a scissor type work platform, and comprises the following steps of a, wearing a whole set of shielding clothes on the ground; b, carrying an insulated carrier to climb the iron stand upwards to the height of the electric wire; the voltage of the current in the wire is 220kv, the distance between the human body and the wire in the climbing process is more than or equal to 2m, in the step c, the distance between the human body and the iron frame is a, the distance between the human body and the iron frame is b, a + b is more than 2.3m, after the human body reaches the wire, the distance between the human body and the cross arm is more than or equal to 2m, and the distance between the human body and the iron frame is more than or equal to 2 m; and c, erecting one end of the insulated carrier on an iron stand, erecting the other end of the insulated carrier on the electric wire, and then walking from the iron stand to the electric wire.

Traditional insulating delivery vehicle is similar to the ladder, and when erectting, the operation personnel support one end earlier and lean on the iron stand, then on the other end free fall electric wire, insulating delivery vehicle free end can cause great impact with the electric wire, and insulating delivery vehicle is shaken to ground very easily, causes the injury to the staff of below.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming that prior art shakes easily and falls to ground, providing an insulating delivery vehicle for equipotential operation, can prevent to shake and fall to ground.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an insulating delivery vehicle for equipotential operation, includes a plurality of bracing pieces, be equipped with the connecting rod between the bracing piece, the connecting rod both ends are connected rather than the bracing piece of both sides, bracing piece one end is equipped with to articulate has the buffer beam that is used for with the iron stand rigid coupling, buffer beam and bracing piece articulated department are equipped with the wind spring. When the traditional insulated carrier is similar to a ladder, an operator firstly supports one end of the insulated carrier against an iron stand and then freely falls onto an electric wire, the free end of the insulated carrier and the electric wire can cause large impact, and the insulated carrier is easily shaken onto the ground to cause injury to workers below; the utility model discloses when using, fix the buffer beam on the iron stand earlier, buffer beam and bracing piece laminating during the initial time, then transfer the bracing piece, the buffer beam does not rotate, and the bracing piece rotates towards the electric wire, and the wind spring plays the effect of buffering, and the bracing piece can not cause very big impact with the electric wire, can prevent to shake and fall to ground.

As preferred, bracing piece one side sliding connection is kept away from to the buffer beam has the slider that leans on at the horizontal pole upside of iron stand, the one end rigid coupling that the buffer beam was kept away from to the slider has the stopper that prevents the horizontal pole roll-off, the buffer beam articulates in the slider below has the latch hook that is used for withholding the horizontal pole, the upper end of latch hook is the hinged end, be equipped with the attenuator between slider and the latch hook, the attenuator includes the cavity, fills fluid in the cavity, is located the piston in the cavity, piston with the piston rod of piston connection, be equipped with the oilhole of crossing that is used for fluid to pass through on the piston, lie in the piston rod and keep away from the one end of piston and wear out the cavity and be connected with the slider, the one end of keeping away from the piston rod on the cavity is connected with. The buffer rod is convenient to fix.

Preferably, the buffer rod is fixedly connected with a fixed block above the sliding block, the fixed block is connected with a spring, one end, far away from the fixed block, of the spring is connected to the sliding block, a second spring is arranged in the cavity, and the second spring is located on one side, far away from the piston rod, of the piston. When the buffer rod is taken down, the position of the sliding block is automatically adjusted by the spring, and the pull rope is in a stretched state by the second spring, so that the buffer rod is convenient to use next time.

Preferably, a sliding groove is formed in the buffer rod, the cross section of the sliding groove is in a convex shape, and one end, close to the buffer rod, of the sliding block is matched with the sliding groove and is connected in the sliding groove in a sliding mode.

As preferred, the buffer beam has the second fixed block that supports the horizontal pole upside that leans on at the latch hook corresponding position rigid coupling and leans on at the iron stand, the latch hook upper end articulates the one end of keeping away from the buffer beam at the second fixed block, latch hook upper end rigid coupling has the handle, attenuator sliding connection is in the spout, be equipped with the grooving in the second fixed block, the lower extreme and the grooving intercommunication of spout, the spout lower extreme is equipped with the steering spindle that is used for the stay cord to turn to, the one end that the attenuator was kept away from to the stay cord is walked around behind the steering spindle and is connected with the handle after passing the grooving.

Preferably, a lock hole is formed in the handle, a locking rod is fixedly connected to one end, far away from the buffer rod, of the second fixing block, a bolt is inserted into the locking rod, and when the cross rod is buckled by the lock hook, the bolt is inserted into the lock hole. The bolt can prevent the latch hook from being opened when detaining the electric wire.

Preferably, the number of the supporting rods is two, the supporting rods comprise a first rod and a second rod, an included angle between the first rod and the second rod is an obtuse angle, the first rods of the two supporting rods are parallel to each other, and the second rods of the two supporting rods are parallel to each other. The structure is simple. When the operator goes from the iron stand to the electric wire, a + b is required to be larger than 2.3m, so that the first rod and the second rod form an acute angle, and the walking path of the operator can be regarded as two inclined sides of an obtuse triangle. Therefore, the value of a + b is increased, and electric shock is not easily caused.

The utility model has the advantages that: the utility model discloses can prevent to shake and fall to ground, simple structure is difficult to the electric shock in addition.

Drawings

FIG. 1 is a schematic view of an operator crawling iron stand;

FIG. 2 is a schematic view of an insulated vehicle in set up;

FIG. 3 is a schematic view of the operator walking to the electric wire;

FIG. 4 is a top view of an insulated vehicle;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a cross-sectional view B-B of FIG. 5;

FIG. 7 is an enlarged view at C of FIG. 6;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 6;

FIG. 9 is a schematic view of the cross bar abutting against the slide;

FIG. 10 is a schematic view of the cross bar abutting against a second fixed block;

FIG. 11 is a schematic view of the latch hook latching the cross bar;

FIG. 12 is a schematic view of the rotational support rod;

fig. 13 is a schematic view of the support bar being attached to the wire.

In the figure: the device comprises an iron frame 1, an electric wire 2, an insulating carrier 3, a cross arm 4, a support rod 5, a connecting rod 6, a cross rod 7, a buffer rod 8, a sliding groove 9, a sliding block 10, a limiting block 11, a cavity 12, a piston 13, a piston rod 14, an oil passing hole 15, a locking hook 16, a pull rope 17, a fixing block 18, a spring 19, a second spring 20, a second fixing block 21, a rope groove 22, a steering shaft 23, a locking hole 24, a locking rod 25, a handle 27, a first rod 28 and a second rod 29.

Detailed Description

The invention will be further explained in detail with reference to the drawings and the following detailed description:

firstly, a method for safely entering an equipotential state when a lightning arrester line is electrified is introduced:

referring to fig. 1 to 3, a safety method for entering an equipotential by a live line of a lightning arrester includes the following steps: step a, wearing a whole set of shielding clothes on the ground; b, carrying the insulated carrier 3 to climb the iron stand 1 upwards to the height of the wire 2; the voltage of the current in the electric wire 2 is 220kv, the distance between the human body and the electric wire 2 in the climbing process is more than or equal to 2m, in the step c, the distance between the human body and the iron stand 1 is a, the distance between the human body and the iron stand 1 is b, a + b is more than 2.3m, after the human body reaches the electric wire 2, the distance between the human body and the cross arm 4 is more than or equal to 2m, and the distance between the human body and the iron stand 1 is more than or equal to 2 m; and c, one end of the insulated carrier 3 is arranged on the iron stand 1, the other end of the insulated carrier 3 is arranged on the electric wire 2, and then the insulated carrier travels from the iron stand 1 to the electric wire 2.

The utility model is used in the step c.

Example (b):

referring to fig. 4 to 13: an insulated carrier for equipotential operation comprises two support rods 5, wherein each support rod 5 comprises a first rod 28 and a second rod 29, an included angle between the first rod 28 and the second rod 29 is an obtuse angle, the first rods 28 of the two support rods 5 are parallel to each other, and the second rods 29 of the two support rods 5 are parallel to each other; a connecting rod 6 is arranged between the supporting rods 5, two ends of the connecting rod 6 are connected with the supporting rods 5 on two sides of the connecting rod, one end of each supporting rod 5 is hinged with a buffer rod 8 which is fixedly connected with the iron frame 1, and a coil spring is arranged at the hinged position of each buffer rod 8 and the corresponding supporting rod 5; one side, far away from the supporting rod 5, of the buffer rod 8 is connected with a sliding block 10 which abuts against the upper side of a cross rod 7 of the iron frame 1 in a sliding mode, a sliding groove 9 is formed in the buffer rod 8, the cross section of the sliding groove 9 is in a convex shape, and one end, close to the buffer rod 8, of the sliding block 10 is matched with the sliding groove 9 and is connected in the sliding groove 9 in a sliding mode; a limiting block 11 for preventing the cross bar 7 from sliding out is fixedly connected to one end, away from the buffer rod 8, of the sliding block 10, a lock hook 16 for buckling the cross bar 7 is hinged to the lower portion of the sliding block 10, the upper end of the lock hook 16 is a hinged end, a damper is arranged between the sliding block 10 and the lock hook 16, the damper comprises a cavity 12, oil filled in the cavity 12, a piston 13 located in the cavity 12 and a piston rod 14 connected with the piston 13, an oil passing hole 15 for the oil to pass through is formed in the piston 13, one end, away from the piston 13, of the piston rod 14 penetrates out of the cavity 12 and is connected with the sliding block 10, one end, away from the piston rod 14, of the cavity 12 is connected with a pull rope 17 connected with the lock hook 16 and used for opening the lock hook 16, and a second coil spring for closing the lock hook 16; a fixed block 18 is fixedly connected above the sliding block 10 of the buffer rod 8, a spring 19 is connected to the fixed block 18, one end, far away from the fixed block 18, of the spring 19 is connected to the sliding block 10, a second spring 20 is arranged in the cavity 12, and the second spring 20 is located on one side, far away from the piston rod 14, of the piston 13; a second fixing block 21 which is abutted against the upper side of the cross bar 7 of the iron frame 1 is fixedly connected to the buffer rod 8 at a position corresponding to the lock hook 16, the upper end of the lock hook 16 is hinged to one end, away from the buffer rod 8, of the second fixing block 21, a handle 27 is fixedly connected to the upper end of the lock hook 16, the damper is connected in the sliding groove 9 in a sliding mode, a rope groove 22 is formed in the second fixing block 21, the lower end of the sliding groove 9 is communicated with the rope groove 22, a steering shaft 23 used for steering the pull rope 17 is arranged at the lower end of the sliding groove 9, and one end, away from the damper, of the pull rope 17 bypasses the steering shaft; the handle 27 is provided with a lock hole 24, one end of the second fixing block 21, which is far away from the buffer rod 8, is fixedly connected with a locking rod 25, a bolt is inserted into the locking rod 25, and when the lock hook 16 buckles the cross rod 7, the bolt is inserted into the lock hole 24.

When the insulated carrier 3 is set up; the method comprises the following steps: the first rod 28 and the second rod 29 are integrally formed, one end of the first rod 28 is connected with the second rod 29, one end of the first rod 28, which is far away from the second rod 29, is hinged with the buffer rod 8, the free end of the buffer rod 8 faces the second rod 29, when an operator carries the insulated carrier 3, the second rod 29 is arranged on the upper portion, the first rod 28 is arranged on the lower portion, when the insulated carrier 3 reaches a required height, the sliding block 10 is firstly abutted against the upper side of a cross rod 7, then under the self weight of the insulated carrier 3, the sliding block 10 slides upwards along the buffer rod 8, the spring 19 is compressed, at the moment, the buffer rod 8 moves downwards relative to the ground, the steering shaft 23 moves downwards relative to the damper, the damper is pulled downwards by a pull rope, but because the cavity 12 is filled with oil, the oil is silicon oil, the viscosity of the oil is high, the piston 13 can slide in the cavity 12, and when the piston slides, the oil flows through the oil hole 15, the faster the piston moves, the larger the resistance, and the slower the piston moves, the smaller the resistance; when the buffer rod 8 moves downwards under the action of the dead weight of the insulated carrier 3, at the moment, the pull rope pulls the cavity, the cavity and the piston generate relative motion, but the relative speed of the cavity and the piston is lower, enough damping force is provided, so that the pull rope 17 pulls the handle, the latch hook 16 rotates towards the direction far away from the buffer rod 8, the latch hook 16 is opened, then the cavity and the piston continue to move relatively, namely, as the piston slowly moves towards the direction of the slider, the second fixed block 21 slowly moves towards the other cross rod 7, the cross rod 7 is in an up-and-down relation with the cross rod 7 abutted against the slider 10, the cross rod abutted against the slider is a first cross rod, the other cross rod is a second cross rod, when the second fixed block 21 abuts against the second upper side of the second cross rod, the latch hook 16 rotates downwards under the action of the second coil spring, drive handle 27 and rotate, handle 27 slowly stimulates stay cord 17, under the effect of stay cord 17, cavity 12 slowly toward keeping away from the motion of slider 10 direction, fluid slowly flows from the oilhole, final latch hook 16 withholds the second horizontal pole, then insert the bolt, the bolt passes keyhole 24 and locking lever 25, thereby prevent that latch hook 16 from being opened, this moment, buffer beam 8 is fixed with two horizontal poles 7, then slowly rotate bracing piece 5, bracing piece 5 rotates towards electric wire 2, final bracing piece tip is set up on the electric wire. When rotating, under the effect of the coil spring, the support rod 5 can not fall onto the wire rapidly, playing a role in buffering. And because of the effect of the coil spring, the support rod 5 exerts bending moment on the buffer rod 8, but under the effect of the limiting block 11, the support rod 5 can not rotate.

When the insulating delivery vehicle 3 needs to be taken down, firstly, an operator firstly returns to the iron stand 1 through the insulating delivery vehicle 3, then the supporting rod 5 is rotated, the end part of the supporting rod 5 leaves an electric wire, the rotating is labor-saving under the action of a coil spring, the supporting rod 5 is attached to the buffer rod 8, the supporting rod 5 is in a vertical state at the moment, the bolt is extracted, then the supporting rod 5 is grabbed by a hand, the lifting is carried out, the lock hook 16 rotates, the lock hook is opened, the second cross rod leaves the lock hook, and the insulating delivery vehicle 3 is taken down.

After the sliding block 10 is taken down, under the action of the spring 19, the sliding block 10 slides towards the latch hook 16, the piston 13 is driven to move towards the latch hook 16, the spring 19 extends, under the action of the second coil spring, the latch hook 16 is closed again, the second coil spring twists, meanwhile, under the action of the second spring 20, the cavity 12 and the sliding block 10 are closed, the second spring 20 contracts, and under the action of the second spring 20, the pulling rope is pulled straight. The next use of the insulated carrier 3 is facilitated.

Claims (7)

1. The utility model provides an insulating delivery vehicle for equipotential operation which characterized in that, includes a plurality of bracing pieces, be equipped with the connecting rod between the bracing piece, the connecting rod both ends are connected rather than the bracing piece of both sides, bracing piece one end is equipped with to articulate has the buffer beam that is used for with the iron stand rigid coupling, buffer beam and bracing piece articulated department are equipped with the wind spring.

2. The insulated vehicle for equipotential working according to claim 1, one side of the buffer rod, which is far away from the support rod, is connected with a slide block which is propped against the upper side of the cross rod of the iron stand in a sliding way, a limiting block for preventing the cross bar from sliding out is fixedly connected at one end of the sliding block far away from the buffer rod, a lock hook for buckling the cross bar is hinged below the sliding block of the buffer rod, the upper end of the lock hook is a hinged end, a damper is arranged between the sliding block and the lock hook, the damper comprises a cavity, oil filled in the cavity, a piston positioned in the cavity and a piston rod connected with the piston, the piston is provided with an oil passing hole for oil to pass through, one end of the piston rod far away from the piston penetrates out of the cavity and is connected with the sliding block, one end, far away from the piston rod, of the cavity is connected with a pull rope which is connected with the lock hook and used for opening the lock hook, and a second coil spring used for closing the lock hook is arranged at the hinged end of the lock hook.

3. The insulated carrier for equipotential operation according to claim 2, wherein the buffer rod has a fixed block fixedly connected to the upper side of the slide block, the fixed block has a spring connected thereto, an end of the spring away from the fixed block is connected to the slide block, and the cavity has a second spring disposed therein, the second spring being located on a side of the piston away from the piston rod.

4. The insulated carrier tool for equipotential operation according to claim 2, wherein the buffer rod has a sliding groove with a convex cross-section, and one end of the sliding block close to the buffer rod is matched with and slidably connected in the sliding groove.

5. The insulated carrier tool for equipotential operation according to claim 2, wherein the buffer rod is fixedly connected with a second fixed block abutting on the upper side of the cross rod of the iron frame at a position corresponding to the latch hook, the upper end of the latch hook is hinged to one end of the second fixed block, which is away from the buffer rod, the upper end of the latch hook is fixedly connected with a handle, the damper is slidably connected in the chute, a rope groove is formed in the second fixed block, the lower end of the chute is communicated with the rope groove, the lower end of the chute is provided with a steering shaft for steering the pull rope, and one end of the pull rope, which is away from the damper, passes through the rope groove after bypassing the steering shaft and is connected with the handle.

6. The insulated carrier for equipotential operation according to claim 5, wherein the handle has a keyhole, a locking rod is fixedly connected to an end of the second fixed block remote from the bumper, and a plug pin is inserted into the keyhole when the cross bar is fastened by the locking hook.

7. The insulated carrier for equipotential operation according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the number of the support bars is two, and the support bars include a first bar and a second bar, the first bar and the second bar form an obtuse angle, the first bars of the two support bars are parallel to each other, and the second bars of the two support bars are parallel to each other.

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