CN204243432U - 500kV ground wire suspension vehicle - Google Patents

Abstract

500kV earth connection hangs car, comprise locomotive, expansion link and the fixture for clamping high-tension bus-bar, locomotive comprises car body, car body is provided with lowering or hoisting gear, car body vertically moves up and down by lowering or hoisting gear, fixture comprises clip body, torsion spring and check lock lever, the other end of check lock lever to protrude outside the first holding piece and moves reciprocatingly, fixture also comprises line throwing apparatus, reclaim rope and clamping device, shooting rope bar and high-voltage line contact lever are all hinged with location-plate, the top of shooting rope bar is provided with spreader bar, spreader bar arranges with shooting rope bar is vertical and is fixedly connected with, offer rope fastening hole protruding on check lock lever outside the first holding piece, the inner side of the first clamping plate and the second clamping plate all offers groove, two grooves are spliced to form locking slot, the top of locking slot and expansion link is locked.Flexible operation, easy to use, design ingenious, the fixture on locomotive, along electric wire vertical drop, avoids the generation of contingency.

Description

500kV ground wire suspension vehicle

technical field

The utility model relates to the technical field of power line maintenance, in particular to a 500kV ground wire suspension vehicle.

Background technique

At present, the grounding wire suspension vehicle is an auxiliary tool for protection when working on high-voltage wires. This grounding wire suspension vehicle can hang the grounding wire on the high-voltage wires. The wire suspension vehicle overlaps the grounding copper wire with the high-voltage wire, and then the grounding copper wire can be removed after the worker completes the operation. When lapping the ground wire, a clamp is needed. The usage of this clamp is that the clamp is first connected with the telescopic joystick, and locked by the clamp of the locking device. However, the problem in the prior art is that when the worker needs to remove the fixture after the work is completed, the ground wire suspension vehicle causes the fixture to fly down randomly due to the restoring force of the torsion spring on the fixture, and the fixture falls at a height of about ten meters, which leads to a dangerous situation. Occurs, such a ground wire suspension vehicle has a great risk factor when used.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model designs a 500kV grounding wire suspension vehicle, which is flexible in operation, convenient in use, and ingenious in design, and effectively solves the time-consuming, laborious and inconvenient problems in the past when using large-scale lifting vehicles to suspend the grounding wire. Handy puzzle.

The technical solution adopted in the utility model is that the 500kV ground wire suspension vehicle includes a mobile vehicle, a telescopic rod and a clamp for clamping high-voltage electric wires, the mobile vehicle includes a vehicle body, the bottom of the vehicle body is provided with rollers, and the vehicle body is provided with Lifting device, the car body moves up and down in the vertical direction by means of the lifting device, the bottom end of the telescopic rod is fixedly connected with the upper surface of the car body, the structure of the clamp includes a clip body, and the clip body includes a first clamping body with the same structure and symmetrically arranged sheet and the second clamping piece, also includes a torsion spring and a locking lever, one end of the torsion spring is fixedly connected with the first clamping piece, the other end of the torsion spring is fixedly connected with the second clamping piece, and a There is a through groove through the thickness direction, one end of the locking rod passes through the through groove and is hinged with the second clamping piece, the other end of the locking rod protrudes outside the first clamping piece and reciprocates in the vertical direction in the through groove , the first clamping piece is provided with a ground wire joint, the ground wire joint is connected to the ground wire, the key is: the clamp also includes a rope throwing device, a recovery rope and a clamping device, the rope throwing device includes a positioning plate, and the positioning plate The bottom end is fixedly connected with the top of the first clamping piece, and the top of the positioning plate is provided with a rope throwing rod and a high-voltage line contact rod, both of which are hinged with the positioning plate, and the top of the rope throwing rod is provided with a hanging rope , the rope hanging rod is vertically arranged and fixedly connected with the rope throwing rod, and a tether hole is provided on the locking rod protruding outside the first clamping piece, one end of the recovery rope is fixedly connected with the tether hole, and the other end of the recovery rope Wrapped on the lanyard rod; the clamping device includes a first splint and a second splint with the same structure and symmetrically arranged, the top of the first splint is fixedly connected with the bottom of the first clamping piece, the top of the second splint is connected with the second clamp The bottom of the holding piece is fixedly connected, the inner side of the first splint and the second splint are provided with grooves, the two grooves are spliced to form a locking groove, and the locking groove is locked and fixed with the top of the telescopic rod.

The end of the recovery rope wound on the lanyard rod is provided with a hook.

The middle parts of the first clamping piece and the second clamping piece are both outwardly protruding arc structures, and the space between the two arc structures is a positioning groove, and the positioning groove is located above the locking rod. located in the positioning slot.

The upper limit shaft and the lower limit shaft are arranged in the horizontal direction in the through groove, the upper limit shaft is located above the locking rod and is fixedly connected with the first clamping piece, and the lower limit shaft is located below the locking rod and connected to the first clamping piece. The holding piece is fixedly connected, and the locking rod reciprocates along the up and down direction between the upper limit shaft and the lower limit shaft.

The contact between the upper surface of the locking rod and the upper limit shaft is provided with a downwardly concave trapezoidal upper limit groove, the upper limit shaft is located at the corner of the upper limit groove, and the contact between the lower surface of the locking rod and the lower limit shaft is provided with a An upwardly concave trapezoidal lower limiting groove, the lower limiting axis is located at the corner of the lower limiting groove.

The lifting device is four leading screws symmetrically arranged on the four corners of the vehicle body, and the vehicle body and the leading screws form a lifting cooperation.

The beneficial effect of the utility model is that the rope throwing device sends the recovery line to the other side of the high-voltage electric wire, the clamping device locks and fixes the locking groove and the telescopic rod, the operation is flexible, the use is convenient, the design is clever, and the clamp on the mobile car Falling vertically along the recovery rope, it will not fly down randomly, avoiding the occurrence of accidents. The suspension car in the utility model is driven by batteries to assist walking, and the ground wire is lifted and suspended by remote control. The ground wire clamp has an automatic locking function and an automatic rope throwing unlocking device. It facilitates the mobility of maintenance and use at any time, and eliminates the safety hazard of the overweight and unbalanced 500kV grounding wire suspended artificially at high altitude.

Description of drawings

Fig. 1 is the structural representation of the utility model before operation.

Fig. 2 is a structural representation of the utility model in operation.

Fig. 3 is a schematic structural view of the clamp in Fig. 2 when it is opened.

Fig. 4 is a schematic structural view of the clamp in Fig. 2 when it is locked.

In the accompanying drawings, 1 is the first clamping piece, 2 is the second clamping piece, 3 is the torsion spring, 4 is the locking lever, 5 is the ground wire connector, 6 is the ground wire, 7 is the recovery rope, and 8 is the positioning Plate, 9 is a rope throwing rod, 10 is a high-voltage line contact rod, 11 is a rope rod, 12 is a tether hole, 13 is a hook, 14 is a first splint, 15 is a second splint, 16 is a groove, and 17 is an arc shape structure, 18 is the upper limit shaft, 19 is the lower limit shaft, 20 is a high-voltage electric wire, 21 is a telescopic rod, 22 is a clamp, 23 is a car body, 24 is a roller, and 25 is a leading screw.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

Concrete embodiment, as shown in Figure 1-4, 500kV grounding wire suspension vehicle, comprises mobile vehicle, telescoping rod 21 and the fixture 22 that is used to clamp high-voltage electric wire 20, and mobile vehicle comprises vehicle body 23, and the bottom of vehicle body 23 is arranged Roller 24 is arranged, and car body 23 is provided with elevating device, and described elevating device is four leading screws 25 that are symmetrically arranged on four corners of car body 23, and car body 23 and leading screw 25 form lifting cooperation, and car body 23 With the help of the lifting device, the lifting movement is performed in the vertical direction, and the bottom end of the telescopic rod 21 is fixedly connected with the upper surface of the vehicle body 23. The structure of the clamp includes a clip body, and the clip body includes the first clamping piece 1 and The second clamping piece 2 also includes a torsion spring 3 and a locking lever 4. One end of the torsion spring 3 is fixedly connected to the first clamping piece 1, and the other end of the torsion spring 3 is fixedly connected to the second clamping piece 2. A clamping piece 1 is provided with a through groove through the thickness direction, one end of the locking rod 4 passes through the through groove and is hinged with the second clamping piece 2, and the other end of the locking rod 4 protrudes outside the first clamping piece 1 And reciprocate in the up and down direction in the through groove, the first clamping piece 1 is provided with a ground wire joint 5, the ground wire joint 5 is connected with the ground wire 6, the key is: the clamp also includes a rope throwing device, a recovery The rope 7 and the clamping device, the rope throwing device includes a positioning plate 8, the bottom of the positioning plate 8 is fixedly connected with the top of the first clamping piece 1, and the top of the positioning plate 8 is provided with a rope throwing rod 9 and a high-voltage line contact rod 10, Rope throwing bar 9 and high-voltage line contact bar 10 are all hinged with positioning plate 8, and the top of throwing rope bar 9 is provided with hanging rope bar 11, and hanging rope bar 11 is arranged vertically with throwing rope bar 9 and is fixedly connected, protruding in the first A tether hole 12 is offered on the locking bar 4 on the outside of the clamping sheet 1, and one end of the recovery rope 7 is fixedly connected with the tether hole 12, and the other end of the recovery rope 7 is wound on the hanging rope bar 11 and is provided with a hook 13; The upper limit shaft 18 and the lower limit shaft 19 are arranged in the horizontal direction in the through groove described above, the upper limit shaft 18 is located above the locking rod 4 and is fixedly connected with the first clamping piece 1, and the lower limit shaft 19 is located at the locking rod 4 Below and fixedly connected with the first clamping piece 1, the locking rod 4 reciprocates in the up and down direction between the upper limit shaft 18 and the lower limit shaft 19, and the upper surface of the locking rod 4 is in contact with the upper limit shaft 18 There is a trapezoidal upper limit groove that is concave downward, and the upper limit shaft 18 is located at the corner of the upper limit groove, and the lower surface of the locking rod 4 is in contact with the lower limit shaft 19. There is a trapezoidal lower limit groove that is concave upward, and the lower limit The bit axis 19 is located at the corner of the lower limit groove, the middle parts of the first clamping piece 1 and the second clamping piece 2 are all outwardly protruding arc structures 17, and the gap between the two arc structures 17 is The space is a positioning groove, and the positioning groove is located above the locking rod 4, and the high-voltage electric wire 20 is located in the positioning groove. The bottom of a clamping plate 1 is fixedly connected, the top of the second clamping plate 15 is fixedly connected with the bottom of the second clamping plate 2, the inner sides of the first clamping plate 14 and the second clamping plate 15 are all provided with grooves 16, two grooves 16 are spliced to form a locking groove, and the locking groove and the extension The top end of shrink rod 21 is locked and fixed.

When the utility model is in use, the mobile vehicle is driven by a battery to assist walking, and the driving direction bar is manually operated to move the vehicle body to the bottom of the operation line. First, open the folding support frame on the mobile car to fix the car body, install the clamp on the top of the telescopic rod, fix the recovery rope on the rope throwing rod, and pull out the telescopic rod from top to bottom section by section until it is stretched to the longest; Secondly, activate the lifting device on the car body to lift the telescopic rod a second time, and finally make the clamp on the telescopic rod reach the height of the high-voltage wire, which is about ten meters high. If there is a deviation in the position, you can use the wireless remote control to adjust the direction and fine-tune the motor , so that the clamp is aligned directly below the high-voltage wire, and continue to rise until the suspension is complete; again, continue to lift the clamp, the high-voltage wire presses the high-voltage wire contact rod, the rope throwing lever rotates accordingly, and the recovery rope is thrown to the other end of the high-voltage wire, continue Lift the clamp, the high-voltage wire presses the locking lever, the locking lever receives a downward force and is stuck at the position of the lower limit shaft, the clamp automatically locks the high-voltage wire, and the grounding wire will be connected to the high-voltage wire for protection after clamping, etc. After the worker finishes working, he/she pulls the recovery rope, lifts up the locking lever, and the clamp is opened to unlock the clamp. At the same time, the clamp leaves the telescopic operating rod. The hook acts as a counterweight, and then slowly send the recovery rope back to send the fixture to the ground, put it down slowly, and the operation is completed; finally, lower the mobile vehicle, retract the telescopic rod and continue the next high-voltage wire operation. In this utility model, the rope throwing device sends the recovery line to the other side of the high-voltage electric wire, and the clamping device locks and fixes the locking groove and the telescopic rod, which is flexible in operation, convenient in use, and ingenious in design. Falling vertically, it will not fly down randomly, avoiding accidents. Moreover, there is no need to rely on large-scale lifting vehicles to assist in the operation, which saves manpower and material resources, facilitates the mobility of inspection and maintenance at any time, and eliminates the safety hazard of overweight and unbalanced 500kV grounding wires that are artificially suspended at high altitude.

Claims (6)

1.500kV earth connection hangs car, comprise locomotive, expansion link (21) and the fixture (22) for clamping high-tension bus-bar (20), locomotive comprises car body (23), the bottom of car body (23) is provided with roller (24), (23) are provided with lowering or hoisting gear to car body, car body (23) vertically moves up and down by lowering or hoisting gear, the bottom of expansion link (21) is fixedly connected with the upper surface of car body (23), the structure of fixture comprises clip body, clip body comprises structure identical and symmetrically arranged first holding piece (1) and the second holding piece (2), also comprise torsion spring (3) and check lock lever (4), one end of torsion spring (3) is fixedly connected with the first holding piece (1), the other end of torsion spring (3) is fixedly connected with the second holding piece (2), first holding piece (1) offers the groove of break-through thickness direction, one end break-through groove and second holding piece (2) of check lock lever (4) are hinged, the other end of check lock lever (4) protrudes in the first holding piece (1) outside and moves reciprocatingly along the vertical direction in groove, first holding piece (1) is provided with earth connection point (5), earth connection point (5) is connected with earth connection (6), it is characterized in that: described fixture also comprises line throwing apparatus, reclaim rope (7) and clamping device, line throwing apparatus comprises location-plate (8), the bottom of location-plate (8) is fixedly connected with the top of the first holding piece (1), the top of location-plate (8) is provided with shooting rope bar (9) and high-voltage line contact lever (10), shooting rope bar (9) and high-voltage line contact lever (10) are all hinged with location-plate (8), the top of shooting rope bar (9) is provided with spreader bar (11), spreader bar (11) arranges with shooting rope bar (9) is vertical and is fixedly connected with, on the check lock lever (4) in the first holding piece (1) outside, rope fastening hole (12) is offered at protrusion, the one end of reclaiming rope (7) is fixedly connected with rope fastening hole (12), the other end reclaiming rope (7) is wrapped on spreader bar (11), clamping device comprises structure identical and symmetrically arranged first clamping plate (14) and the second clamping plate (15), the top of the first clamping plate (14) is fixedly connected with the bottom of the first holding piece (1), the top of the second clamping plate (15) is fixedly connected with the bottom of the second holding piece (2), the inner side of the first clamping plate (14) and the second clamping plate (15) all offers groove (16), two grooves (16) are spliced to form locking slot, and the top of locking slot and expansion link (21) is locked.

2. 500kV earth connection according to claim 1 hangs car, it is characterized in that: the end being wrapped in the recovery rope (7) on spreader bar (11) is provided with hook (13).

3. 500kV earth connection according to claim 1 hangs car, it is characterized in that: described the first holding piece (1) and the middle part of the second holding piece (2) are all outwardly arcuate structures (17), space between two arcuate structures (17) is location notch, location notch is positioned at check lock lever (4) top, and high-tension bus-bar (20) is positioned at location notch.

4. 500kV earth connection according to claim 1 hangs car, it is characterized in that: in described groove, be provided with upper limit axle (18) and lower limit axle (19) in the horizontal direction, upper limit axle (18) is positioned at check lock lever (4) top and is fixedly connected with the first holding piece (1), lower limit axle (19) is positioned at check lock lever (4) below and is fixedly connected with the first holding piece (1), and check lock lever (4) moves reciprocatingly along the vertical direction between upper limit axle (18) and lower limit axle (19).

5. 500kV earth connection according to claim 4 hangs car, it is characterized in that: described check lock lever (4) upper surface and upper limit axle (18) contact position offer to recessed trapezoidal upper limit position groove, upper limit axle (18) is positioned at the corner of upper limit position groove, check lock lever (4) lower surface and lower limit axle (19) contact position offer the trapezoidal lower limit groove to fovea superior, and lower limit axle (19) is positioned at the corner of lower limit groove.

6. 500kV earth connection according to claim 1 hangs car, it is characterized in that: described lowering or hoisting gear is symmetricly set on four leading screws (25) on car body (23) four angles, and car body (23) is formed to be elevated with leading screw (25) and coordinates.