CN211758604U - Circuit breaker ratchet frame drilling frock - Google Patents

Abstract

The utility model provides a circuit breaker ratchet frame drilling tool used in the technical field of circuit breakers. A base (1) of the circuit breaker ratchet frame drilling tool is provided with a recessed ratchet frame placement slot (2). (1) The ratchet frame positioning hole I (3) and the ratchet frame positioning hole II (4) are set on the side, and the ratchet positioning screw hole (18) is set on the side of the base (1), and the ratchet positioning bolt is screwed into the ratchet positioning screw hole (18). (5), the circuit breaker ratchet frame drilling tool also includes a limit shaft I (19) and a limit shaft II (20), a guide member (6) is arranged on the upper part of the base (1), and a guide member (6) is provided on the upper part of the base (1). A drilling guide hole (7) is provided, and the guide member (6) is located above the ratchet frame placement groove (2). The ratchet frame drilling tool of the utility model can conveniently and quickly realize the positioning of the ratchet frame body, and is fast and accurate Realize the positioning and drilling of the energy storage hole, and improve the processing quality and processing efficiency of the ratchet frame.

Description

Circuit breaker ratchet frame drilling tool

technical field

The utility model belongs to the technical field of circuit breakers, in particular to a drilling tool for a ratchet frame of a circuit breaker.

Background technique

The ratchet frame is an important part of the vacuum circuit breaker used to store energy for the closing spring. Its function determines that it must drill a round hole (energy storage hole) on the side of a curved structure for inserting the energy storage rod. , by shaking the energy storage lever up and down, it is used to charge the closing spring of the circuit breaker. Since the energy storage hole of the ratchet frame is located on the curved surface, it is impossible to drill the ratchet frame on the curved surface without the aid of a jig. However, the existing fixture cannot accurately realize the accurate positioning of the energy storage hole, which affects the processing quality and processing efficiency of the ratchet frame, and cannot meet the actual requirements.

Utility model content

The technical problem to be solved by the utility model is to provide a circuit breaker with a simple structure, which can conveniently and quickly realize the positioning of the ratchet frame body, quickly and accurately realize the positioning and drilling of the energy storage hole, and improve the processing quality and processing efficiency of the ratchet frame. Ratchet frame drilling tool.

To solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

The utility model relates to a drilling tool for a ratchet frame of a circuit breaker, which comprises a base, a recessed ratchet frame placement slot is arranged on the base, a ratchet frame positioning hole I and a ratchet frame positioning hole II are arranged on the side of the base, and a ratchet frame positioning screw hole is arranged on the side of the base , the ratchet positioning bolt is screwed into the ratchet positioning screw hole. The said circuit breaker ratchet frame drilling tool also includes a limit shaft I and a limit shaft II. The part is provided in a structure capable of being positioned above the ratchet rack placement slot.

The circuit breaker ratchet frame includes a ratchet frame body, the ratchet frame body is provided with openings I and II, and the side of the ratchet frame body is also provided with energy storage holes.

The ratchet frame body is configured to be able to be placed in the placement groove.

When the ratchet frame body is placed in the placement groove, the ratchet wheel positioning bolt is set to a structure that can abut against the side surface of the ratchet frame body.

When the ratchet frame body is placed in the placement groove, the limit shaft I is set to be able to pass through the ratchet frame positioning hole I on the base to be clamped in the opening I, and the limit shaft II is set to be able to pass through the base. The structure in which the positioning hole II of the ratchet frame is clamped in the opening II.

The width dimension of the ratchet frame body is smaller than the width dimension of the placement slot.

The base includes a base protrusion I and a base protrusion II, and the base protrusion I and the base protrusion II form a placement groove.

The upper surface of the base raised portion I is provided with a groove portion I, the upper surface of the base raised portion II is provided with a groove portion II, one end of the guide member is clamped in the groove portion I, and the other end of the guide member is clamped in the groove. Section II.

The width dimension of the guide member is set to a structure smaller than the width dimension of the groove portion I, the width dimension of the guide member is set to a structure smaller than the width dimension of the groove portion II, and the width dimension of the groove portion I and the groove portion II. equal.

A positioning plate member I is clamped between the guide member and the side wall of the groove portion I, and a position adjustment plate member II is clamped between the guide member and the side wall of the groove portion I.

Adopting the technical scheme of the present utility model, the following beneficial effects can be obtained:

When drilling the energy storage hole for the ratchet frame of the circuit breaker according to the utility model, the ratchet frame is first put into the placement groove of the base, and then the limit shaft I is passed through Through the positioning hole I of the ratchet frame on the base, fit it into the opening I on the body of the ratchet frame, and then pass the limit shaft II through the positioning hole II of the ratchet frame on the base and fit it in the opening II on the body of the ratchet frame. , at this time, the movement of the ratchet frame body in the up and down direction is realized, and then the ratchet wheel positioning bolt on the ratchet wheel positioning screw hole is twisted, so that the ratchet wheel positioning bolt is pressed against the side surface of the ratchet frame body. At this time, the position between the ratchet frame body and the base is fixed, and the guide member is arranged on the upper part of the base and fixed to the base. Then, the drill bit of the drilling rig passes through the drilling guide hole for drilling, which can effectively determine the drilling position of the energy storage hole, which is convenient and reliable to complete the positioning and processing of the energy storage hole and improve the energy storage hole. drilling efficiency and drilling quality. The circuit breaker ratchet frame drilling tool of the utility model has the advantages of simple operation, strong practicability and low manufacturing cost, which can save costs for enterprises. The circuit breaker ratchet frame drilling tool of the utility model has a simple structure, can conveniently and quickly realize the positioning of the ratchet frame body, and can quickly and accurately realize the positioning and drilling of the energy storage hole, thereby improving the processing quality and processing efficiency of the ratchet frame.

Description of drawings

Below is a brief description of the contents expressed in the drawings of this specification and the symbols in the drawings:

Fig. 1 is the structural representation of the circuit breaker ratchet frame drilling tool according to the utility model;

Fig. 2 is the front view structure schematic diagram of the ratchet frame body according to the utility model;

Fig. 3 is a side view partial cross-sectional structural schematic diagram of the ratchet frame body according to the present invention;

FIG. 4 is a top-view structural schematic diagram of another embodiment of the ratchet frame drilling tool for circuit breakers according to the present invention;

The symbols in the accompanying drawings are: 1, base; 2, ratchet frame placement slot; 3, ratchet frame positioning hole I; 4, ratchet frame positioning hole II; 5, ratchet wheel positioning bolt; Hole; 8. Ratchet frame body; 9. Opening I; 10. Opening II; 11. Energy storage hole; 12. Base protrusion I; 13. Base protrusion II; 14. Groove I; 15 , groove part II; 16, adjustment plate I; 17, adjustment plate II; 18, ratchet positioning screw hole; 19, limit shaft I; 20, limit shaft II.

Detailed ways

Below, with reference to the accompanying drawings, through the description of the embodiments, the specific implementation of the present utility model, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the function and working principle of each part, etc. Further details:

As shown in the accompanying drawings 1-3, the present invention is a circuit breaker ratchet frame drilling tool, comprising a base 1, a recessed ratchet frame placement slot 2 is arranged on the base 1, and a ratchet frame positioning hole is arranged on the side of the base 1 I3 and the ratchet frame positioning hole II4, the side of the base 1 is provided with a ratchet positioning screw hole 18, and the ratchet positioning screw hole 18 is screwed with a ratchet positioning bolt 5. The described circuit breaker ratchet frame drilling tool also includes a limit shaft I19 and a limit For the shaft II 20 , a guide member 6 is provided on the upper part of the base 1 , a drilled guide hole 7 is provided on the guide member 6 , and the guide member 6 is set to a structure that can be positioned above the ratchet frame placement groove 2 . With the above structure, when drilling the energy storage hole for the ratchet frame (ratchet frame body), first put the ratchet frame into the placement slot 2 of the base, and then pass the limit shaft I19 through the ratchet frame positioning hole I3 on the base 1 It is clamped into the opening I9 on the ratchet frame body 8, and then the limiting shaft II20 is inserted into the opening II10 on the ratchet frame body 8 through the ratchet frame positioning hole II4 on the base 1. At this time, the ratchet is realized. The rack body 8 moves up and down, and then the ratchet positioning bolt 5 on the ratchet positioning screw hole 18 is twisted, so that the ratchet positioning bolt 5 abuts the side of the ratchet rack body 8 . At this time, the position between the ratchet frame body 8 and the base 1 is fixed, and the guide member 6 is arranged on the upper part of the base 1, and the position of the base 1 is fixed. The drilling guide hole 7 is located above the energy storage hole 11 that needs to be drilled on the body of the ratchet frame. Then, the drill bit can drill through the drilling guide hole 7 to effectively determine the drilling position of the energy storage hole, which is convenient for Reliably complete energy storage hole processing, improve drilling efficiency and drilling quality. The circuit breaker ratchet frame drilling tool of the utility model has the advantages of simple operation, strong practicability and low cost, and can save costs for enterprises. The circuit breaker ratchet frame drilling tool of the utility model has a simple structure, can conveniently and quickly realize the positioning of the ratchet frame body, and can quickly and accurately realize the positioning and drilling of the energy storage hole, thereby improving the processing quality and processing efficiency of the ratchet frame.

The circuit breaker ratchet frame includes a ratchet frame body 8 . The ratchet frame body 8 is provided with openings I9 and II10 , and the side of the ratchet frame body 8 is also provided with an energy storage hole 11 . In the above structure, the opening I9 and the opening II10 respectively penetrate the ratchet frame body, and the energy storage hole is arranged on one side of the ratchet frame body.

The ratchet frame body 8 is set to a structure that can be placed in the placement slot 2. When the ratchet frame body 8 is placed in the placement slot 2, the ratchet wheel positioning bolt 5 is set to be able to abut against the side position of the ratchet frame body 8. structure. When the ratchet frame body 8 is placed in the placement groove 2, the limit shaft I19 is set to be able to pass through the ratchet frame positioning hole I3 on the base 1 and be clamped in the opening I9, and the limit shaft II20 is set to be able to The structure in which the positioning hole II4 of the ratchet frame on the base 1 is clamped in the opening II10. With the above structure, when the energy storage hole is processed on the ratchet frame body, it is necessary to limit the position of the ratchet frame body first. At this time, the upper and lower positions of the ratchet frame body are limited by the limiting shaft I19 and the limiting shaft II20, and the ratchet frame body is pressed against one side of the ratchet frame body by the ratchet positioning bolt 5, so that the other side of the ratchet frame body is in contact with each other. On one side of the placement slot, the ratchet frame body can be positioned horizontally without shaking. The guide member is located above the ratchet frame body. After the position limit is achieved between the ratchet frame body and the base, the drilled guide hole 7 on the guide member must be positioned above the energy storage hole processing portion. In this way, as long as the drilling machine drills through the drilling pilot hole, the processing of the energy storage hole can be accurately realized.

The width dimension of the ratchet frame body 8 is smaller than the width dimension of the placement slot 2 . The above structure is convenient for the ratchet frame body to be conveniently and reliably put into the placement slot, and to be easily and reliably taken out from the placement slot, and the positioning between the ratchet frame body and the base is through the limit shaft and the ratchet frame positioning hole. The top is positioned to achieve positioning to ensure the accurate processing of the energy storage hole.

The base 1 includes a base protrusion I12 and a base protrusion II13 , and the base protrusion I12 and the base protrusion II13 form a placement groove 2 . In the above structure, the base 1, the base convex portion I12 and the base convex portion II13 are one-piece structure, and the processing is simple. The base protruding part I12 and the base protruding part II13 are arranged in parallel, and the placement groove can reliably place the ratchet frame body.

As shown in FIG. 4 , a groove portion I14 is set on the upper surface of the base raised portion I12, a groove portion II15 is set on the upper surface of the base raised portion II13, and one end of the guide member 6 is clamped in the groove portion I14 to guide the The other end of the component 6 is clamped in the groove portion II15. The width dimension of the guide member 6 is set to a structure smaller than the width dimension of the groove portion I14, and the width dimension of the guide member 6 is set to a structure smaller than the width dimension of the groove portion II15. The groove portion I14 and the groove portion II15 Width dimensions are equal. The above structure, in order to improve the versatility of the whole circuit breaker ratchet frame drilling tool, to meet the needs of different types and sizes of ratchet frame bodies for processing energy storage holes, because the positions of the energy storage holes on different ratchet frame bodies are different, therefore, The position of the guide member relative to the base can be adjusted. In this way, each type and size of the ratchet frame body corresponds to a specific guide member, and the guide member is matched with the ratchet frame body, so that the drilled guide hole 7 of the guide member must be located in the ratchet frame of this type and size. The position is just above the energy storage hole of the body, so that when processing the energy storage hole for different ratchet frame bodies, only need to replace different guide parts to complete the drilling, which effectively reduces the cost.

A positioning plate member I16 is clamped between the guide member 6 and the side wall of the groove portion I14, and a position adjustment plate member II17 is clamped between the guide member 6 and the side wall of the groove portion I14. In the above structure, a guide member is provided, and the relative position of the guide member relative to the base can be adjusted through the setting of the position adjustment plate member I16 and the position adjustment plate member II17 of different thicknesses or numbers, so that different models and sizes can be adjusted. When the energy storage hole of the ratchet frame body is processed, it is enough to place the positioning plate I16 and the positioning plate II17 of different numbers and thicknesses, so that the drilling guide hole 7 of the guide member must be located in the corresponding type and size of the ratchet frame. The position is directly above the energy storage hole of the main body, thereby further reducing the cost, and there is no need to equip multiple guide parts.

When drilling the energy storage hole for the ratchet frame of the circuit breaker according to the utility model, the ratchet frame is first put into the placement groove of the base, and then the limit shaft I is passed through Through the positioning hole I of the ratchet frame on the base, fit it into the opening I on the body of the ratchet frame, and then pass the limit shaft II through the positioning hole II of the ratchet frame on the base and fit it in the opening II on the body of the ratchet frame. , at this time, the movement of the ratchet frame body in the up and down direction is realized, and then the ratchet wheel positioning bolt on the ratchet wheel positioning screw hole is twisted, so that the ratchet wheel positioning bolt is pressed against the side surface of the ratchet frame body. At this time, the position between the ratchet frame body and the base is fixed, and the guide member is arranged on the upper part of the base and fixed to the base. Then, the drill bit of the drilling rig passes through the drilling guide hole for drilling, which can effectively determine the drilling position of the energy storage hole, which is convenient and reliable to complete the positioning and processing of the energy storage hole and improve the energy storage hole. drilling efficiency and drilling quality. The circuit breaker ratchet frame drilling tool of the utility model has the advantages of simple operation, strong practicability and low manufacturing cost, which can save costs for enterprises. The circuit breaker ratchet frame drilling tool of the utility model has a simple structure, can conveniently and quickly realize the positioning of the ratchet frame body, and can quickly and accurately realize the positioning and drilling of the energy storage hole, thereby improving the processing quality and processing efficiency of the ratchet frame.

The present utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned methods, as long as various improvements made by the method idea and technical scheme of the present utility model are adopted, or the Improvements in which the concept and technical solutions of the present invention are directly applied to other occasions are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a circuit breaker ratchet frame drilling frock which characterized in that: the drilling tool for the ratchet frame of the circuit breaker comprises a base (1), wherein a concave ratchet frame placing groove (2) is formed in the base (1), ratchet frame positioning holes I (3) and ratchet frame positioning holes II (4) are formed in the side face of the base (1), ratchet positioning screw holes (18) are formed in the side face of the base (1), ratchet positioning bolts (5) are screwed in the ratchet positioning screw holes (18), the drilling tool for the ratchet frame of the circuit breaker further comprises a limiting shaft I (19) and a limiting shaft II (20), a guide part (6) is arranged on the upper portion of the base (1), a drilling guide hole (7) is formed in the guide part (6), and the guide part (6) is set to be of a structure capable of being located above the ratchet frame placing groove (2).

2. The circuit breaker ratchet frame drilling tool according to claim 1, wherein: the ratchet rack of the circuit breaker comprises a ratchet rack body (8), wherein the ratchet rack body (8) is provided with a hole I (9) and a hole II (10), and the side surface of the ratchet rack body (8) is also provided with an energy storage hole (11).

3. The circuit breaker ratchet frame drilling tool according to claim 2, wherein: the ratchet rack body (8) is set to be a structure capable of being placed in the placing groove (2).

4. The circuit breaker ratchet frame drilling tool according to claim 3, wherein: when the ratchet rack body (8) is placed in the placing groove (2), the ratchet positioning bolt (5) is set to be a structure capable of abutting against the side position of the ratchet rack body (8).

5. The circuit breaker ratchet frame drilling tool according to claim 4, wherein: when ratchet frame body (8) place in standing groove (2), spacing axle I (19) set up to the structure that can pass ratchet frame locating hole I (3) on base (1) and clamp in trompil I (9), spacing axle II (20) set up to the structure that can pass ratchet frame locating hole II (4) on base (1) and clamp in trompil II (10).

6. The circuit breaker ratchet rack drilling tool according to claim 2 or 3, characterized in that: the width dimension of the ratchet rack body (8) is smaller than that of the placing groove (2).

7. The circuit breaker ratchet rack drilling tool according to claim 1 or 2, characterized in that: base (1) including base bellying I (12) and base bellying II (13), base bellying I (12) and base bellying II (13) form standing groove (2).

8. The circuit breaker ratchet frame drilling tool according to claim 7, wherein: the upper surface of the base boss part I (12) is provided with a groove part I (14), the upper surface of the base boss part II (13) is provided with a groove part II (15), one end of the guide part (6) is clamped in the groove part I (14), and the other end of the guide part (6) is clamped in the groove part II (15).

9. The circuit breaker ratchet rack drilling tool of claim 8, wherein: the width dimension of the guide part (6) is set to be smaller than the width dimension of the groove part I (14), the width dimension of the guide part (6) is set to be smaller than the width dimension of the groove part II (15), and the width dimensions of the groove part I (14) and the groove part II (15) are equal.

10. The circuit breaker ratchet frame drilling tool of claim 9, wherein: a positioning plate I (16) is clamped between the guide part (6) and the side wall of the groove part I (14), and a positioning plate II (17) is clamped between the guide part (6) and the side wall of the groove part I (14).

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