Ground knife shaft hole assembling tool of integrated circuit breaker

Abstract

The utility model provides a ground knife shaft hole-matching tool of an integrated circuit breaker, which belongs to the technical field of 35kV high-voltage vacuum circuit breakers in wind power generation projects, and comprises a positioning tool, a sliding tool and a bench drill, the bench drill is arranged on one side of the positioning tool and one side of the sliding tool, and the sliding tool is arranged on the other side of the positioning tool and the sliding tool. The longitudinal position of the bench drill is perpendicular to the position of the positioning tool and the position of the sliding tool, the positioning tool is arranged above the sliding tool, a damping cushion block is arranged at the bottom of the sliding tool, an isolation linkage crank arm is further arranged on the positioning tool, and the isolation linkage crank arm is connected with the positioning tool. The isolation linkage crank arm is fixedly connected with the grounding knife-switch crank arm through a matching hole of the grounding knife-switch shaft. The grounding knife-switch shaft hole-assembling tool of the integrated circuit breaker is simple in structure and convenient to disassemble, the position of the grounding knife-switch shaft hole-assembling tool can be adjusted at any time, the hole-assembling efficiency of the grounding knife-switch shaft is improved, and the assembling efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the field of 35kV high-voltage vacuum circuit breakers for wind power generation projects, in particular to a ground cutter shaft hole matching tooling for an integrated circuit breaker. Background Art

[0002] At present, the main shafts of most grounding switches are welded, fixed with screws or fixed with expansion pins. The welding main shaft has strict requirements on welding, and it is necessary to ensure that the three-phase switches are in the same horizontal plane and the phase-to-phase distance is guaranteed, so it is not easy to process. The screw fixing method has the risk of loosening during long-term operation. The traditional expansion pin fixing method requires determining the phase-to-phase position of the grounding switch and then drilling holes on the main shaft with a radial drill or a pistol drill. Especially for 35kV integrated wind power circuit breakers, the installation space is relatively small and the assembly efficiency is low. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a ground cutter shaft hole matching tooling for an integrated circuit breaker, which has a simple structure, is easy to disassemble, and can adjust its position at any time, thereby improving the ground cutter shaft hole matching efficiency and further improving the assembly efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following scheme: a ground cutter shaft hole matching tool for an integrated circuit breaker, comprising a positioning tool, a sliding tool and a bench drill, the bench drill is arranged on one side of the positioning tool and the sliding tool, and the longitudinal position of the bench drill is perpendicular to the positions of the positioning tool and the sliding tool, the positioning tool is arranged above the sliding tool, and a shock-absorbing pad is arranged at the bottom of the sliding tool, and an isolation linkage crank arm is also arranged on the positioning tool, and the isolation linkage crank arm is fixedly connected to the ground cutter crank arm through the matching hole of the ground cutter shaft.

[0005] Preferably, the positioning tooling includes a tooling base plate, a V-shaped block and a limit plate, the tooling base plate is provided with a plurality of mounting holes, the V-shaped block is fixedly connected to the top of the tooling base plate, and the limit plate is fixedly connected to one side of the connection between the tooling base plate and the sliding tooling.

[0006] Preferably, a support bent plate is arranged above the tooling base plate, the support bent plate is fixedly connected to the tooling base plate, a mounting hole is opened on the support bent plate, a positioning plate is arranged corresponding to the position of the mounting hole, and the positioning plate is fixedly connected to the support bent plate through the mounting hole.

[0007] Preferably, a screw is provided between the tooling bottom plate and the sliding tooling, and the screw is fixedly connected to the tooling bottom plate.

[0008] Preferably, a butterfly nut is arranged above the screw rod, and the butterfly nut is threadedly engaged with the screw rod.

[0009] Preferably, a pressing plate is further provided at the position of the screw rod, and a circular hole is opened on the pressing plate, which is connected with the clearance at the screw rod in a fitted manner.

[0010] Preferably, the sliding fixture comprises a bearing bottom plate, a plurality of mounting holes are formed on the bearing bottom plate, and two guide rails arranged opposite to each other are fixedly connected to the top of the bearing bottom plate.

[0011] Preferably, a sliding block is slidably connected above the two guide rails, and a mounting hole is provided on the sliding block, which is fixedly connected to the tooling bottom plate.

[0012] Preferably, a plum handle screw is provided on the slider, and the plum handle screw is threadedly fixedly connected to the slider.

[0013] Preferably, the bottom of the bench drill is vertically fixed to the ground by bolts.

[0014] According to the specific embodiments provided by the utility model, the utility model discloses the following technical effects:

[0015] The utility model provides a ground cutter shaft hole matching tool for an integrated circuit breaker, which has a simple structure and is easy to disassemble and adjust its position at any time, thereby improving the hole matching efficiency of the ground cutter shaft and further improving the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A front view of a ground cutter shaft hole matching tooling for an integrated circuit breaker provided in an embodiment of the utility model;

[0018] Figure 2 A top view of a ground cutter shaft hole matching tooling for an integrated circuit breaker provided in an embodiment of the utility model;

[0019] Figure 3 A side view of a ground cutter shaft hole matching tooling for an integrated circuit breaker provided in an embodiment of the utility model;

[0020] Figure 4 A schematic diagram of the installation position of a ground cutter shaft hole tooling for an integrated circuit breaker provided in an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1-Isolation linkage crank arm; 2-ground knife crank arm; 3-ground knife shaft; 4-positioning plate; 5-support bent plate; 6-screw; 7-pressure plate; 8-butterfly nut; 9-bench drill; 10-limiting plate; 11-V-block; 12-tooling base plate; 13-slider; 14-guide rail; 15-bearing base plate; 16-Plum blossom handle screw; 17-shock-absorbing washer; 18-switch housing. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model aims to provide a ground cutter shaft hole matching tool for an integrated circuit breaker, which has a simple structure, is easy to disassemble, and can adjust its position at any time, thereby improving the hole matching efficiency of the ground cutter shaft and further improving the assembly efficiency.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Embodiment 1

[0027] like Figure 4 As shown, the isolation linkage crank arm 1 and the ground knife crank arm 2 need to be fixed with the ground knife shaft 3 at the corresponding position through holes for expansion pins, and finally assembled on the switch housing 18. Since the phase-to-phase distance at this position is difficult to control and the holes are difficult to match, the utility model is used to match the holes.

[0028] The following is a further description through specific implementation methods.

[0029] like Figure 1 to Figure 3 As shown, the utility model provides a ground cutter shaft hole matching tool for an integrated circuit breaker, including a positioning tool, a sliding tool and a bench drill 9, the bench drill 9 is arranged on one side of the positioning tool and the sliding tool, and the longitudinal position of the bench drill 9 is perpendicular to the positions of the positioning tool and the sliding tool, the positioning tool is arranged above the sliding tool, and a shock-absorbing pad 17 is arranged at the bottom of the sliding tool, and the bottom of the bench drill 9 is vertically fixed to the ground by bolts.

[0030] Among them, the positioning tooling includes a tooling base plate 12, a V-shaped block 11 and a limit plate 10. The tooling base plate 12 is provided with a plurality of mounting holes. The V-shaped block 11 is fixedly connected to the top of the tooling base plate 12. The limit plate 10 is fixedly connected to one side of the connection between the tooling base plate 12 and the sliding tooling. A support bent plate 5 is arranged above the tooling base plate 12. The support bent plate 5 is fixedly connected to the tooling base plate 12. The support bent plate 5 is provided with mounting holes. A positioning plate 4 is arranged at the position of the mounting holes. The positioning plate 4 is fixedly connected to the support bent plate 5 through the mounting holes. A screw rod 6 is arranged between the tooling base plate 12 and the sliding tooling. The screw rod 6 is fixedly connected to the tooling base plate 12. A butterfly nut 8 is arranged above the screw rod 6. The butterfly nut 8 is threadedly engaged with the screw rod 6. A pressure plate 7 is also arranged at the position of the screw rod 6. A round hole is arranged on the pressure plate 7. The pressure plate 7 is connected with the clearance fit at the screw rod 6.

[0031] In this embodiment, the sliding tool comprises a bearing bottom plate 15, on which a plurality of mounting holes are provided, and two guide rails 14 arranged opposite to each other are fixedly connected above the bearing bottom plate 15. A slider 13 is slidably connected above the two guide rails 14, on which mounting holes are provided, and the slider 13 is fixedly connected to the tool bottom plate 12. A plum handle screw 16 is provided on the slider 13, and the plum handle screw 16 is threadedly fixedly connected to the slider 13.

[0032] Working principle: After the punching tool is fixed, the ground cutter crank arm 2 and the isolation linkage crank arm 1 are respectively mounted on the ground cutter shaft 3; the ground cutter shaft 3 is horizontally placed on the V-block 11, and one end of the ground cutter shaft 3 is limited by a limit plate 10. One side of the ground cutter crank arm 2 is close to the side of the V-block, and the inner cavity of the ground cutter crank arm 2 is clamped on both sides of the positioning plate 4. The pressing plate 7 fixes the ground cutter crank arm 2 through the screw 6, and then moves the tooling base plate 12 on the guide rail 14 through the slider 13. After reaching the required hole position, fix the slider 13 through the plum handle screw 16 and then drive the bench drill 9 to punch holes.

[0033] Therefore, the specific implementation scheme provided by the utility model has the following beneficial effects compared with the prior art:

[0034] The utility model provides a ground cutter shaft hole matching tool for an integrated circuit breaker, which has a simple structure, is easy to disassemble, and its position can be adjusted at any time, thereby improving the hole matching efficiency of the ground cutter shaft and further improving the assembly efficiency.

[0035] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. At the same time, for those skilled in the art, according to the ideas of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A ground cutter shaft hole matching tool for an integrated circuit breaker, characterized in that: It includes a positioning tool, a sliding tool and a bench drill, the bench drill is arranged on one side of the positioning tool and the sliding tool, and the longitudinal position of the bench drill is perpendicular to the positions of the positioning tool and the sliding tool. The positioning tool is arranged above the sliding tool, and a shock-absorbing pad is arranged at the bottom of the sliding tool. The positioning tool is also provided with an isolation linkage crank arm, and the isolation linkage crank arm is fixedly connected to the ground cutter crank arm through the matching hole of the ground cutter shaft.

2. The ground cutter shaft hole matching tooling of an integrated circuit breaker according to claim 1, characterized in that: The positioning tooling includes a tooling base plate, a V-shaped block and a limit plate. The tooling base plate is provided with a plurality of mounting holes. The V-shaped block is fixedly connected to the top of the tooling base plate, and the limit plate is fixedly connected to one side of the connection between the tooling base plate and the sliding tooling.

3. The ground cutter shaft hole matching tooling of an integrated circuit breaker according to claim 2, characterized in that: A support bent plate is arranged above the tooling base plate, the support bent plate is fixedly connected to the tooling base plate, a mounting hole is opened on the support bent plate, a positioning plate is arranged corresponding to the position of the mounting hole, and the positioning plate is fixedly connected to the support bent plate through the mounting hole.

4. The ground cutter shaft hole matching tooling of an integrated circuit breaker according to claim 3, characterized in that: A screw rod is arranged between the tooling bottom plate and the sliding tooling, and the screw rod is fixedly connected to the tooling bottom plate.

5. The ground cutter shaft hole matching tool for an integrated circuit breaker according to claim 4, characterized in that: A butterfly nut is arranged above the screw rod, and the butterfly nut is thread-engaged and connected with the screw rod.

6. The ground cutter shaft hole matching tool for an integrated circuit breaker according to claim 5, characterized in that: A pressing plate is also provided at the position of the screw rod, and a circular hole is opened on the pressing plate, which is connected with the clearance fit at the screw rod.

7. The ground cutter shaft hole matching tool for an integrated circuit breaker according to claim 1, characterized in that: The sliding fixture comprises a bearing bottom plate, a plurality of mounting holes are provided on the bearing bottom plate, and two guide rails arranged opposite to each other are fixedly connected to the top of the bearing bottom plate.

8. The ground cutter shaft hole matching tool for an integrated circuit breaker according to claim 7, characterized in that: A sliding block is slidably connected above the two guide rails. A mounting hole is provided on the sliding block, and the sliding block is fixedly connected to the tooling bottom plate.

9. The ground cutter shaft hole matching tool for an integrated circuit breaker according to claim 8, characterized in that: The slider is provided with a plum handle screw, and the plum handle screw is threadedly fixedly connected to the slider.

10. The ground cutter shaft hole matching tool for an integrated circuit breaker according to claim 1, characterized in that: The bottom of the bench drill is vertically fixedly connected to the ground by bolts.

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