CN217921341U

CN217921341U - Electric lifting device for high-voltage transmission line iron tower operation

Info

Publication number: CN217921341U
Application number: CN202221800026.0U
Authority: CN
Inventors: 江兆雷; 江科技; 陈志华; 谢立超
Original assignee: Anhui Huitian Standard Parts Manufacturing Co ltd
Current assignee: Anhui Huitian Standard Parts Manufacturing Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-29
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a high tension transmission line iron tower operation electric lift device, including the electric lift outrigger, connect unable adjustment base, lift shock attenuation frame and lift adjustable shelf, two fixed connection is in connecting unable adjustment base upper surface left and right sides respectively for electric lift outrigger lower extreme, two sliding connection has the lift adjustable shelf outside the electric lift outrigger, fixed surface is connected with the lift shock attenuation frame under the lift adjustable shelf, the utility model discloses a lift shock attenuation frame who sets up, when the lift adjustable shelf descends to the lowest extreme position, through the outrigger and the contact position of lift shock attenuation frame lower extreme position contact each other, make shock attenuation support to inside side extrusion shock attenuation telescopic link, receive the extrusion back at shock attenuation telescopic link, the damping spring in the shock attenuation telescopic link outside can receive the extrusion thereupon, through under damping spring's effect, can cushion the impact force that the lift adjustable shelf lower extreme position received to the condition that the device caused the damage because of the collision.

Description

Electric lifting device for operation of high-voltage transmission line iron tower

Technical Field

The utility model belongs to the technical field of the high tension line operation, concretely relates to high tension transmission line iron tower operation electric lift device.

Background

The transmission line iron tower is a tower-shaped building for power transmission. The structure features that the various tower types are space truss structure, the rods are mainly composed of single equal angle steel or combined angle steel, the materials are Q235 (A3F) and Q345 (16 Mn), the rods are connected by coarse bolts, the rods are connected by shearing force of the bolts, the whole tower is composed of angle steel, connecting steel plates and bolts, and individual parts such as tower legs are welded by several steel plates into an assembly, so the hot galvanizing corrosion prevention, transportation and construction are very convenient. For the iron tower with the breath height below 60m, a foot nail is arranged on one main material of the iron tower so as to facilitate the climbing operation of construction operators.

At present, when the operation of a high-voltage transmission line iron tower, constructors need to be conveyed to the iron tower construction operation position with the corresponding height through an electric lifting device, the electric lifting device in the prior art is easy to collide with the bottom contact position when descending to the lowest end position, and the electric lifting device is easy to hurt under the collision.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a high tension transmission line iron tower operation electric lift device to solve the electric lift device of prior art who proposes in the above-mentioned background art and cause the problem of damage because of the collision with bottom contact position easily when falling to the extreme lower position.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high tension transmission line iron tower operation electric lift device, includes the electric lift outrigger, connects unable adjustment base, lift shock attenuation frame and lift adjustable shelf, two fixed connection is in the left and right sides of connecting the unable adjustment base upper surface respectively for electric lift outrigger lower extreme two electric lift outrigger outside sliding connection has the lift adjustable shelf, lift adjustable shelf lower fixed surface is connected with the lift shock attenuation frame, the slide rail is connected to the equal fixedly connected with lateral wall in both sides inside the lift shock attenuation frame, two the slide rail inboard equal sliding connection has the lateral wall slider, two fixedly connected with shock absorber support in the middle of the lateral wall slider, the equal fixedly connected with shock attenuation telescopic link in shock absorber support upper surface both sides, two shock attenuation telescopic link upper end difference fixed connection is in the inside top both sides of lift shock attenuation frame, two the shock attenuation telescopic link outside all is provided with damping spring.

Preferably, both sides of the lower end of the shock absorption support are fixedly connected with outriggers, and the lower ends of the two outriggers penetrate through the outer side of the lower end of the lifting shock absorption support.

Preferably, the inside of the electric lifting outer frame is rotatably connected with a lifting control screw, the outer side of the lifting control screw is in threaded connection with a lifting nut, and a lifting control motor is arranged at the lower end of the lifting control screw.

Preferably, a lifting movable plate is fixedly connected to the inner side of the lifting nut, and a lifting movable frame is fixedly connected to the other side of the lifting movable plate.

Preferably, the outer surface of the electric lifting outer frame is provided with a movable sliding groove, and a supporting rod sliding block is connected to the outer side of the movable sliding groove in a sliding mode.

Preferably, the outer side of the supporting rod sliding block is fixedly connected with a triangular supporting rod, and the lower end of the triangular supporting rod is fixedly connected to the lower surface of the lifting movable frame.

Preferably, the inside fixedly connected with locating piece slide rail of electric lift outrigger, the inboard sliding connection of locating piece slide rail has the screw rod locating piece, the inboard fixedly connected with lifting nut of screw rod locating piece.

Preferably, both ends all fixedly connected with iron tower connecting plate about electronic lift outrigger surface one side, iron tower connecting plate inside is provided with the connection fixed orifices.

Compared with the prior art, the utility model provides a high tension transmission line iron tower operation electric lift device possesses following beneficial effect:

1. the utility model discloses a lift shock attenuation frame that sets up, when the lift adjustable shelf descends to the bottom end position, through the outrigger and the contact position mutual contact of lift shock attenuation frame lower extreme position, make the shock attenuation support extrude the shock attenuation telescopic link to the inboard, after the shock attenuation telescopic link receives the extrusion, the damping spring outside the shock attenuation telescopic link can receive the extrusion thereupon, through under the effect of damping spring, can cushion the impact force that the lower extreme position of lift adjustable shelf received, thereby prevent the device because of colliding the condition that causes the damage;

2. the utility model discloses a lift adjustable shelf that sets up, when high tension transmission line iron tower operation, the operation personnel stand inside the lift adjustable shelf, rotate through the inside lift control screw rod of lift control motor control electric lift outrigger, make the lift nut in the lift control screw rod outside drive the lift adjustable shelf outside through the lift fly leaf and move to the upper end position in the electric lift outrigger outside to can transport the operation personnel to the iron tower operation region of corresponding height.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an electric lifting device for operating a high-voltage transmission line iron tower provided by the utility model;

fig. 2 is a side sectional view of the electric lifting device for high-voltage transmission line iron tower operation provided by the utility model;

fig. 3 is an enlarged view of a in fig. 2 of the electric lifting device for high-voltage transmission line iron tower operation provided by the utility model;

fig. 4 is an enlarged view of B in fig. 2 of the electric lifting device for high-voltage transmission line iron tower operation provided by the utility model;

in the figure: 1. an electric lifting outer frame; 2. connecting a fixed base; 3. lifting the damping frame; 4. a movable chute; 5. a triangular support bar; 6. a support rod slide block; 7. lifting the movable frame; 8. an iron tower connecting plate; 9. connecting the fixing holes; 10. a lifting control screw; 11. a screw positioning block; 12. a positioning block slide rail; 13. a lifting movable plate; 14. a lift control motor; 15. the side wall is connected with a slide rail; 16. a shock-absorbing mount; 17. a shock-absorbing telescopic rod; 18. a damping spring; 19. a sidewall slider; 20. an outrigger; 21. and (7) lifting the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high tension transmission line iron tower operation electric lift device, including electric lift outrigger 1, connect unable adjustment base 2, lift shock attenuation frame 3 and lift adjustable shelf 7, two 1 lower extremes of electric lift outrigger are fixed connection respectively and are being connected the 2 upper surface left and right sides of unable adjustment base, two 1 outside sliding connection of electric lift outrigger have lift

adjustable shelf

7, 7 lower fixed surface of lift adjustable shelf is connected with lift shock attenuation frame 3, slide rail 15 is connected to the equal fixedly connected with lateral wall in 3 inside both sides of lift shock attenuation frame, 15 inboard equal sliding connection of slide rail 19 are connected to two lateral walls, fixedly connected with shock absorber 16 in the middle of two lateral wall sliders 19, the equal fixedly connected with shock attenuation telescopic link 17 in 16 upper surface both sides of shock absorber, two 17 upper ends difference fixed connection of shock attenuation telescopic link are in 3 inside top both sides of lift shock attenuation frame, two shock attenuation telescopic link 17 outside all are provided with damping spring 18.

When the lifting movable frame 7 is lowered to the lowermost position, the outrigger 20 at the lower end position of the lifting shock-absorbing frame 3 is in contact with the contact position, so that the shock-absorbing support 16 presses the shock-absorbing telescopic rod 17 inward, after the shock-absorbing telescopic rod 17 is pressed, the shock-absorbing spring 18 outside the shock-absorbing telescopic rod 17 can be pressed accordingly, and the impact force applied to the lower end position of the lifting movable frame 7 can be buffered under the action of the shock-absorbing spring 18, thereby preventing the device from being damaged due to collision.

The utility model discloses in, preferred, the equal fixedly connected with outrigger 20 in 16 lower extreme both sides of shock absorber support, two outrigger 20 lower extremes run through the setting in the 3 lower extreme outsides of lift shock absorber support.

The utility model discloses in, preferred, 1 inside rotations of electric lift outrigger are connected with lift control screw rod 10, and lift control screw rod 10 outside threaded connection has lift nut 21, and lift control screw rod 10 lower extreme is provided with lift control motor 14.

It should be noted that, during operation of the high-voltage transmission line iron tower, an operator stands inside the lifting movable frame 7, and controls the lifting control screw 10 inside the electric lifting outer frame 1 to rotate through the lifting control motor 14, so that the lifting nut 21 outside the lifting control screw 10 drives the lifting movable frame 7 to move to the upper end position outside the electric lifting outer frame through the lifting movable plate 13, and the operator can be transported to an iron tower operation area with a corresponding height.

The utility model discloses in, preferred, the inboard fixedly connected with lift fly leaf 13 of lift nut 21, lift fly leaf 13 opposite side fixedly connected with lift adjustable shelf 7.

The utility model discloses in, preferred, 1 surfaces of electric lift outrigger are provided with movable spout 4, and 4 outside sliding connection in movable spout have bracing piece slider 6.

The utility model discloses in, preferred, 6 outside fixedly connected with triangular support pole 5 of bracing piece slider, 5 lower extreme fixed connection of triangular support pole are at 7 lower surfaces of lift adjustable shelf.

The utility model discloses in, preferred, the inside fixedly connected with locating piece slide rail 12 of electric lift outrigger 1, the inboard sliding connection of locating piece slide rail 12 has screw rod locating piece 11, the inboard fixedly connected with lifting nut 21 of screw rod locating piece 11.

The utility model discloses in, preferred, the equal fixedly connected with iron tower connecting plate 8 in both ends about 1 surface one side of electric lift outrigger, iron tower connecting plate 8 is inside to be provided with and to connect fixed orifices 9.

The utility model discloses a theory of operation and use flow: when the lifting movable frame 7 is lowered to the lowest end position, the overhanging bracket 20 at the lower end position of the lifting damping frame 3 is contacted with the contact position, the damping bracket 16 extrudes the damping telescopic rod 17 inwards, after the damping telescopic rod 17 is extruded, the damping spring 18 at the outer side of the damping telescopic rod 17 can be extruded along with the overhanging bracket 20, and under the action of the damping spring 18, the impact force applied to the lower end position of the lifting movable frame 7 can be buffered, so that the device is prevented from being damaged due to collision.

Although 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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high tension transmission line iron tower operation electric lift device, includes electric lift outrigger (1), connects unable adjustment base (2), lift shock attenuation frame (3) and lift adjustable shelf (7), its characterized in that: two fixed connection is in connecting unable adjustment base (2) upper surface left and right sides respectively for electric lift outrigger (1) lower extreme, two sliding connection has lift adjustable shelf (7) in the electric lift outrigger (1) outside, fixed surface is connected with lift shock attenuation frame (3) under lift adjustable shelf (7), slide rail (15), two are connected to the equal fixedly connected with lateral wall in the inside both sides of lift shock attenuation frame (3) the equal sliding connection in slide rail (15) inboard is connected to the lateral wall, two fixedly connected with shock absorber support (16) in the middle of lateral wall slider (19), shock absorber support (16) upper surface both sides equal fixedly connected with shock attenuation telescopic link (17), two shock attenuation telescopic link (17) upper end fixed connection is in the inside top both sides of lift shock attenuation frame (3) respectively, two the shock attenuation telescopic link (17) outside all is provided with damping spring (18).

2. The electric lifting device for the operation of the iron tower of the high-voltage transmission line according to claim 1, which is characterized in that: the two sides of the lower end of the shock absorption support (16) are fixedly connected with outriggers (20), and the lower ends of the two outriggers (20) penetrate through the outer side of the lower end of the lifting shock absorption support (3).

3. The electric lifting device for the operation of the high-voltage transmission line iron tower as claimed in claim 2, characterized in that: the electric lifting outer frame (1) is internally and rotatably connected with a lifting control screw (10), the outer side of the lifting control screw (10) is in threaded connection with a lifting nut (21), and a lifting control motor (14) is arranged at the lower end of the lifting control screw (10).

4. The electric lifting device for the operation of the iron tower of the high-voltage transmission line according to claim 3, characterized in that: the inner side of the lifting nut (21) is fixedly connected with a lifting movable plate (13), and the other side of the lifting movable plate (13) is fixedly connected with a lifting movable frame (7).

5. The electric lifting device for the operation of the iron tower of the high-voltage transmission line according to claim 4, characterized in that: the outer surface of the electric lifting outer frame (1) is provided with a movable sliding groove (4), and a supporting rod sliding block (6) is connected to the outer side of the movable sliding groove (4) in a sliding mode.

6. The electric lifting device for the operation of the iron tower of the high-voltage transmission line according to claim 5, characterized in that: the outer side of the support rod sliding block (6) is fixedly connected with a triangular support rod (5), and the lower end of the triangular support rod (5) is fixedly connected to the lower surface of the lifting movable frame (7).

7. The electric lifting device for the operation of the iron tower of the high-voltage transmission line according to claim 6, characterized in that: the inner part of the electric lifting outer frame (1) is fixedly connected with a positioning block sliding rail (12), the inner side of the positioning block sliding rail (12) is connected with a screw positioning block (11) in a sliding manner, and the inner side of the screw positioning block (11) is fixedly connected with a lifting nut (21).

8. The electric lifting device for the operation of the iron tower of the high-voltage transmission line according to claim 7, characterized in that: the upper end and the lower end of one side of the outer surface of the electric lifting outer frame (1) are fixedly connected with iron tower connecting plates (8), and connecting fixing holes (9) are formed in the iron tower connecting plates (8).