Transfer trolley for high-voltage bushing of transformer

Abstract

The utility model provides a transformer high-voltage bushing transfer trolley which comprises a walking bottom frame, a plurality of adjustable lifting obstacle avoidance supporting legs are symmetrically arranged on the two sides of the walking bottom frame, telescopic track supports are arranged between the two adjustable lifting obstacle avoidance supporting legs on the single side of the walking bottom frame, and a roller installation support is arranged on the top of the walking bottom frame. A detachable casing pipe rotating base is arranged in the middle of the walking bottom frame, and a casing pipe fixing hoop is arranged on the casing pipe rotating base. According to the utility model, the safety risk in the vertical and horizontal state conversion and transfer process of the high-voltage bushing of the transformer can be effectively controlled, the high-voltage bushing can be transported under the condition of complex terrains, the posture conversion and transfer of the bushing can be safely, efficiently and conveniently completed, and meanwhile, the high-voltage bushing can be quickly converted into a roller bed mode in a specific scene; and the working scene is greatly expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of motor groups, and specifically relates to a transformer high-voltage bushing transfer vehicle. Background Technique

[0002] At present, the high-voltage bushings of indoor transformers in hydropower stations are generally received by ordinary small trolleys and cooperate with lifting tools such as hoists and chain blocks for attitude conversion and transfer. During this process, there are a large number of narrow and enclosed complex environments, and there are problems of high risk and great difficulty in the attitude conversion and transfer of transformer high-voltage bushings, especially when it is necessary to cross obstacles such as oil pipes and thresholds. In order to standardize the attitude conversion and transfer process of transformer high-voltage bushings, reduce their operation risks and difficulties, and improve the construction efficiency of related operations, it is necessary to design and manufacture a transformer high-voltage bushing transfer vehicle according to actual needs, which is mainly used for the reception, attitude conversion and transfer of transformer high-voltage bushings, and can effectively control the safety risks during the attitude conversion and transfer of transformer high-voltage bushings, and complete the attitude conversion and transfer operations of high-voltage bushings efficiently and conveniently.

[0003] Therefore, a transformer high-voltage bushing transfer vehicle is proposed for the above problems. Summary of the Invention

[0004] In order to make up for the deficiencies of the prior art, a transformer high-voltage bushing transfer vehicle is provided for the technical problems proposed in the background.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a transformer high-voltage bushing transfer vehicle, including a walking chassis, a plurality of adjustable lifting and obstacle-avoiding legs are symmetrically arranged on both sides of the walking chassis, telescopic track supports are arranged between two adjustable lifting and obstacle-avoiding legs on one side of the walking chassis, a roller mounting bracket is arranged on the top of the walking chassis, a detachable bushing rotating base is arranged in the middle of the walking chassis, and a bushing fixing clamp is arranged on the bushing rotating base.

[0006] Preferably, the adjustable lifting and obstacle-avoiding leg is a sleeve screw structure, and a crank is arranged on the side wall of the top of the adjustable lifting and obstacle-avoiding leg to adjust the length of the leg.

[0007] Preferably, a universal wheel is arranged at the bottom of the adjustable lifting and obstacle-avoiding leg.

[0008] Preferably, multiple rows of adjustable lifting and obstacle-avoiding legs are symmetrically arranged on both sides of the walking chassis, and the adjustable lifting and obstacle-avoiding legs are connected to the side wall of the walking chassis by bolts.

[0009] Preferably, the bushing rotating base includes a fixed base and a bushing fixing groove, and the fixed base and the bushing fixing groove are connected by a connecting shaft pin.

[0010] Preferably, both ends of the casing rotating base and the casing fixing hoop are connected by adjustable rotating bearings.

[0011] Preferably, the casing fixing hoop is divided into an upper hoop and a lower hoop. Both ends of the lower hoop are connected to the casing rotating base by adjustable rotating bearings. The upper hoop and the lower hoop are both arc-shaped structures. One end of the upper hoop and the lower hoop is connected by bolts, and the other end is hinged.

[0012] Preferably, the telescopic track support includes a connecting groove. The back of the connecting groove is installed on the side walls of the walking chassis and the roller mounting bracket. The bottom of the connecting groove is hinged to one end of a hydraulic telescopic rod, and the other end of the hydraulic telescopic rod is hinged to a support leg. The connecting groove is hinged to one end of a folding rod, and the other end of the folding rod is hinged to the support leg.

[0013] Preferably, the bottom of the support leg is provided with rollers suitable for the track. The folding rod is divided into an upper rod and a lower rod. One end of the upper rod is hinged to the top end of the connecting groove, and the other end of the upper rod is hinged to the top end of the support leg. One end of the lower rod is hinged to the middle part of the connecting groove, and the other end of the lower rod is hinged to the support leg. The inner side of the hinged part of the lower rod and the support leg is the hinged part of the hydraulic telescopic rod and the support leg.

[0014] Preferably, a plurality of hanging grooves are symmetrically arranged on the inner walls on both sides of the roller mounting bracket. The hanging grooves are arranged in the same plane, and the hanging grooves can be used to install rollers to be used as a roller bed.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The present utility model provides a transformer high-voltage bushing transfer vehicle, which can effectively control the safety risks during the attitude conversion and transfer process of the transformer high-voltage bushing, ensure the efficient and convenient completion of the attitude conversion and transfer operations of the high-voltage bushing, and improve the maintenance efficiency. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a structural schematic diagram of the transformer high-voltage bushing transfer vehicle;

[0019] Figure 2 It is a schematic diagram of the transformer high-voltage bushing transfer vehicle in the roller bed mode;

[0020] Figure 3 It is an installation schematic diagram of the casing rotating base and the casing fixing hoop;

[0021] Figure 4 Schematic diagram of the specific structure of the retractable track support

[0022] Figure 5 Schematic diagram of the connection structure between the roller and the hanging groove

[0023] Figure 6 Schematic diagram of the specific structure of the walking chassis and the roller mounting bracket Specific implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1 to 6 As shown, a transformer high-voltage bushing transporter includes a walking chassis 4. A plurality of adjustable lifting and obstacle-avoiding legs 1 are symmetrically arranged on both sides of the walking chassis 4. A retractable track support 10 is arranged between two adjustable lifting and obstacle-avoiding legs 1 on one side of the walking chassis 4. A roller mounting bracket 5 is arranged on the top of the walking chassis 4. A detachable bushing rotating base 6 is arranged in the middle of the walking chassis 4. A bushing fixing clamp 8 is arranged on the bushing rotating base 6.

[0026] Preferably, the adjustable lifting and obstacle-avoiding leg 1 is of a sleeve screw structure. A crank 2 for adjusting the length of the leg is arranged on the side wall of the top of the adjustable lifting and obstacle-avoiding leg 1. By turning the crank 2, the adjustable lifting and obstacle-avoiding leg 1 can be raised and lowered to realize the obstacle-crossing function of the transporter.

[0027] Preferably, a universal wheel 3 is arranged at the bottom of the adjustable lifting and obstacle-avoiding leg 1. When loading the transformer high-voltage bushing with two or more transport trolleys, the steering of the universal wheel 3 can realize the curved transportation of the high-voltage bushing.

[0028] Preferably, multiple rows of adjustable lifting and obstacle-avoiding legs 1 are symmetrically arranged on both sides of the walking chassis 4, and the adjustable lifting and obstacle-avoiding legs 1 are connected to the side wall of the walking chassis 4 by bolts.

[0029] Preferably, the bushing rotating base 6 includes a fixed base 6.1 and a bushing fixing groove 6.2, and the fixed base 6.1 and the bushing fixing groove 6.2 are connected by a connecting shaft pin 7.

[0030] Preferably, both ends of the bushing rotating base 6 and the bushing fixing clamp 8 are connected by an adjustable rotating bearing 9.

[0031] Preferably, the casing fixing hoop 8 is divided into an upper hoop 8.1 and a lower hoop 8.2, both ends of the lower hoop 8.2 are connected to the casing rotating base 6 through an adjustable rotating bearing 9, the upper hoop 8.1 and the lower hoop 8.2 are both arc-shaped structures, one end of the upper hoop 8.1 and the lower hoop 8.2 are connected by bolts, and the other end is hinged.

[0032] Preferably, the retractable track support 10 includes a connecting groove 10.3, the back of which is mounted on the side walls of the walking frame 4 and the roller mounting bracket 5, the bottom of the connecting groove 10.3 is hinged to one end of a hydraulic telescopic rod 10.1, the other end of the hydraulic telescopic rod 10.1 is hinged to a supporting leg 10.4, the connecting groove 10.3 is hinged to one end of a folding rod 10.2, and the other end of the folding rod 10.2 is hinged to the supporting leg 10.4.

[0033] Preferably, the bottom of the support leg 10.4 is provided with a roller 10.5 suitable for the track, and the folding rod 10.2 is divided into an upper rod 10.2.1 and a lower rod 10.2.2, one end of the upper rod 10.2.1 is hinged to the top of the connecting groove 10.3, the other end of the upper rod 10.2.1 is hinged to the top of the supporting leg 10.4, one end of the lower rod 10.2.2 is hinged to the middle of the connecting groove 10.3, the other end of the lower rod 10.2.2 is hinged to the supporting leg 10.4, and the inner side of the hinge between the lower rod 10.2.2 and the supporting leg 10.4 is the hinge between the hydraulic telescopic rod 10.1 and the supporting leg 10.4. When there are many obstacles to be crossed in the working environment, the track can be directly set up, and the transfer vehicle can be set in the track to realize the rapid and safe transfer of the casing.

[0034] Preferably, the inner walls on both sides of the roller mounting bracket 5 are symmetrically provided with a plurality of hanging grooves 5.1, and the hanging grooves 5.1 are arranged on the same plane. The hanging grooves 5.1 can be used to install rollers 5.2 for use as a roller bed.

[0035] Working principle: When in use, place the transformer high-voltage bushing transporter under the transformer high-voltage bushing, and load the high-voltage bushing into the fixed clamp 8. At this time, the high-voltage bushing is in a vertical posture. Push the trolley forward and slowly lay the other end of the high-voltage bushing flat. After it is horizontal, load it into another transformer high-voltage bushing transporter, realizing the conversion of the high-voltage bushing from a vertical posture to a horizontal posture. When crossing an obstacle, turn the crank 2 of the front leg of the transformer high-voltage bushing transporter, and retract the adjustable lifting obstacle-avoiding leg 1 to make it higher than the obstacle. At this time, the weight of the high-voltage bushing is supported by the middle and rear legs of the transporter. Push the transporter forward. After the front adjustable lifting obstacle-avoiding leg 1 crosses the obstacle, turn the crank 2 of the front leg of the transformer high-voltage bushing transporter, extend the adjustable lifting obstacle-avoiding leg 1 to support on the ground, and turn the crank 2 of the middle leg of the transporter, retract its adjustable lifting obstacle-avoiding leg 1 to make it higher than the obstacle, and push the transporter forward until the middle adjustable lifting obstacle-avoiding leg 1 crosses the obstacle. The rear legs of the transporter can cross the obstacle in the same way. During the transportation of the transformer high-voltage bushing, by changing the direction of the universal wheel 3, curved transportation can be achieved; when other shaped items need to be transported in the scenario, the bushing rotating base 6 provided with the bushing fixed clamp 8 can be directly removed from the walking chassis 4, and rollers 5.2 are installed on the hanging grooves 5.1 on the inner wall of the roller installation bracket 5. At this time, it can be used as a roller bed.

[0036] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A transformer high-voltage bushing transporter, characterized in that: It includes a walking chassis (4), on both sides of which there are symmetrically arranged a plurality of adjustable lifting and obstacle-avoiding legs (1). Between two adjustable lifting and obstacle-avoiding legs (1) on one side of the walking chassis (4), there is a telescopic track support (10). On the top of the walking chassis (4), there is a roller mounting bracket (5). In the middle of the walking chassis (4), there is a detachable sleeve rotating base (6), and on the sleeve rotating base (6), there is a sleeve fixing clamp (8).

2. The transfer vehicle for the high-voltage bushing of a transformer according to claim 1, wherein: The adjustable lifting and obstacle-avoiding leg (1) is of a sleeve screw rod structure, and on the side wall of the top of the adjustable lifting and obstacle-avoiding leg (1), there is a crank (2) for adjusting the length of the leg.

3. The transfer vehicle for the high-voltage bushing of a transformer according to claim 2, wherein: At the bottom of the adjustable lifting and obstacle-avoiding leg (1), there is a universal wheel (3).

4. The transfer vehicle for high-voltage bushings of a transformer according to claim 1, characterized in that: On both sides of the walking chassis (4), there are symmetrically arranged multiple rows of adjustable lifting and obstacle-avoiding legs (1), and the adjustable lifting and obstacle-avoiding legs (1) are connected to the side wall of the walking chassis (4) by bolts.

5. The transfer vehicle for high-voltage bushings of a transformer according to claim 1, wherein: The sleeve rotating base (6) includes a fixed base (6.1) and a sleeve fixing groove (6.2), and the fixed base (6.1) and the sleeve fixing groove (6.2) are connected by a connecting shaft pin (7).

6. The transfer vehicle for the high-voltage bushing of a transformer according to claim 1, wherein: Both ends of the sleeve rotating base (6) and the sleeve fixing clamp (8) are connected by an adjustable rotating bearing (9).

7. The transfer vehicle for high-voltage bushings of a transformer according to claim 6, wherein: The sleeve fixing clamp (8) is divided into an upper clamp (8.1) and a lower clamp (8.2). Both ends of the lower clamp (8.2) are connected to the sleeve rotating base (6) by an adjustable rotating bearing (9). Both the upper clamp (8.1) and the lower clamp (8.2) are of an arc-shaped structure. One end of the upper clamp (8.1) and the lower clamp (8.2) is connected by a bolt, and the other end is hinged.

8. The transfer vehicle for high-voltage bushings of a transformer according to claim 1, wherein: The telescopic track support (10) includes a connecting groove (10.3). The back of the connecting groove (10.3) is installed on the side walls of the walking chassis (4) and the roller mounting bracket (5). The bottom of the connecting groove (10.3) is hinged to one end of a hydraulic telescopic rod (10.1), and the other end of the hydraulic telescopic rod (10.1) is hinged to a support leg (10.4). One end of the connecting groove (10.3) is hinged to one end of a folding rod (10.2), and the other end of the folding rod (10.2) is hinged to the support leg (10.4).

9. The transformer high-voltage bushing transporter according to claim 8, characterized in that: At the bottom of the support leg (10.4), there is a roller (10.5) suitable for the track. The folding rod (10.2) is divided into an upper rod (10.2.1) and a lower rod (10.2.2). One end of the upper rod (10.2.1) is hinged to the top end of the connecting groove (10.3), and the other end of the upper rod (10.2.1) is hinged to the top end of the support leg (10.4). One end of the lower rod (10.2.2) is hinged to the middle of the connecting groove (10.3), and the other end of the lower rod (10.2.2) is hinged to the support leg (10.4). Inside the hinged part of the lower rod (10.2.2) and the support leg (10.4) is the hinged part of the hydraulic telescopic rod (10.1) and the support leg (10.4).

10. The transformer high-voltage bushing transporter according to claim 1, characterized in that: On the inner walls on both sides of the roller mounting bracket (5), there are symmetrically arranged a plurality of hanging grooves (5.1). The hanging grooves (5.1) are arranged in the same plane, and the hanging grooves (5.1) can be used to install rollers (5.2) to be used as a roller bed.

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