Upper rack support arm drill jig

Abstract

The utility model relates to the technical field of water turbine production equipment, in particular to an upper rack support arm drill jig which comprises a first positioning assembly. The first positioning assembly comprises two transverse plates distributed in parallel, a longitudinal plate with the two ends connected with the transverse plates through first clamping parts, a first die hole array formed in the transverse plates, and a positioning datum hole formed in one end of each transverse plate. The second positioning assembly is connected with the first positioning assembly through a second clamping part, the second positioning assembly comprises a main plate and at least two rows of second die hole rows formed in the main plate, the second positioning assembly and the first positioning assembly are spliced through the second clamping part, rapid installation and positioning of the drill jig are achieved, and the drill jig is convenient to assemble and disassemble. The magnetic drill penetrates through the die holes in the first die hole row and the second die hole row to drill the upper rack supporting arm, the drilling working efficiency is improved, the drilling accuracy is high, and the actual production requirement is met.

Description

Technical Field

[0001] This utility model relates to the field of water turbine production equipment technology, and in particular to a drilling jig for the upper frame support arm. Background Technology

[0002] As an important component of the hydro generator, the upper frame mainly supports the upper guide bearing and bears the radial force transmitted by the upper guide bearing. It also bears the unbalanced force of the rotor and the unilateral magnetic pull caused by the uneven air gap. In the current production and processing of the upper frame, the drilling and tapping of the upper frame support arms are generally carried out using the primitive line drawing method, which is not only inefficient but also has poor accuracy. This causes great inconvenience to installation and workpiece interchange and cannot meet the actual production needs. Summary of the Invention

[0003] The purpose of this utility model is to solve the above-mentioned shortcomings in the existing technology and to propose an upper frame support arm drilling jig.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] Design a drilling jig for an upper frame support arm, including

[0006] The first positioning component includes two parallel transverse plates, a longitudinal plate whose two ends are respectively connected to the transverse plates by a snap-fit ​​part, a first row of mold holes provided on the transverse plates, and a positioning reference hole provided at one end of the transverse plates.

[0007] The second positioning component is connected to the first positioning component via a second engaging part, wherein the second positioning component includes a main board and at least two columns of second mold holes disposed on the main board.

[0008] Furthermore, the engaging part includes a slot formed on the transverse plate and a locking block disposed at the end of the longitudinal plate and engaging with the slot.

[0009] Furthermore, the number of longitudinal plates is at least three.

[0010] Furthermore, the second engaging part includes a second slot provided at the end of the main board and a second locking block provided at the end of the transverse plate and engaging with the second slot.

[0011] Furthermore, the number of the second type of card slot is at least two.

[0012] Furthermore, the motherboard has weight-reduction holes.

[0013] The beneficial effects of the drilling jig for the upper frame support arm proposed in this utility model are as follows:

[0014] The utility model discloses a through the carding part one with the transverse plate and longitudinal plate assembly, utilize bolt to pass through the positioning reference hole and fix the drill jig on the upper frame support arm, utilize the carding part two to splice the second positioning assembly and the first positioning assembly simultaneously, realize the quick installation positioning of drill jig, utilize the magnetic force drill to pass through the first mould hole row and the mould hole on the second mould hole row and carry out the drilling to the upper frame support arm, improve the working efficiency of drilling, and the accuracy of drilling is high, satisfies the actual production demand. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is structure schematic diagram of the utility model;

[0016] Figure 2 It is transverse plate schematic diagram;

[0017] Figure 3 It is longitudinal plate schematic diagram;

[0018] Figure 4 It is mainboard schematic diagram; DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Embodiment, refer to Figures 1-4 An upper frame support arm drill jig, comprising

[0021] The first positioning assembly 1 includes two parallel transverse plates 101, two longitudinal plates 103 connected to the transverse plates 101 through the carding part one 102 at both ends, a first mould hole row 104 provided on the transverse plate 101, and a positioning reference hole 105 provided at one end of the transverse plate 101.

[0022] The second positioning assembly 2 is connected to the first positioning assembly 1 through the carding part two 3, wherein the second positioning assembly 2 includes a mainboard 201 and at least two second mould hole rows 202 provided on the mainboard 201.

[0023] The utility model discloses a through the carding part one 102 with the transverse plate 101 and longitudinal plate 103 assembly, utilize bolt to pass through the positioning reference hole 105 and fix the drill jig on the upper frame support arm, utilize the carding part two 3 to splice the second positioning assembly 2 and the first positioning assembly 1 simultaneously, realize the quick installation positioning of drill jig, utilize the magnetic force drill to pass through the first mould hole row 104 and the mould hole on the second mould hole row 202 and carry out the drilling to the upper frame support arm, improve the working efficiency of drilling, and the accuracy of drilling is high, satisfies the actual production demand.

[0024] In an optional embodiment of the utility model, the engaging part one 102 includes the card slot one 1021 that opens on the horizontal plate 101, the card site block one 1022 that is arranged at the end of longitudinal plate 103 and is engaged with the card slot one 1021, preferably, the cross section of card slot one 1021 and card site block one 1022 in the embodiment is trapezoidal, such setting makes the card site block one 1022 of the both ends of longitudinal plate 103 enter card slot one 1021, realizes the stable connection of horizontal plate 101 and longitudinal plate 103, and the quick installation positioning of first positioning assembly 1 is convenient.

[0025] In an optional embodiment of the utility model, in order to improve the stability of the connection between horizontal plate 101 and longitudinal plate 103, the number of longitudinal plate 103 is at least three.

[0026] In an optional embodiment of the utility model, the engaging part two 3 includes the card slot two 301 that is arranged at the end of main plate 201, the card site block two 302 that is arranged at the end of horizontal plate 101 and is engaged with the card slot two 301, preferably, the cross section of card slot two 301 and card site block two 302 in the embodiment is trapezoidal, such setting makes the card site block two 302 of the end of horizontal plate 101 enter card slot two 301, realizes the stable connection of horizontal plate 101 and main plate 201, and the quick installation positioning of second positioning assembly 2 is convenient.

[0027] In an optional embodiment of the utility model, in order to improve the stability of the connection between horizontal plate 101 and main plate 201, the number of card slot two 301 is at least two.

[0028] In an optional embodiment of the utility model, the weight-reducing hole 2011 is opened on main plate 201, preferably, the weight-reducing hole 2011 in the embodiment penetrates main plate 201 along the thickness direction of main plate 201, and the number is at least three.

[0029] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

[0030] In the description of the present specification, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the technical solutions of the present patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation to the present patent application.

[0031] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present patent application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0032] In the present specification, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present specification can be understood according to the specific circumstances.

[0033] In the present specification, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0035] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A headstock arm drilling jig characterized by: The utility model relates to a positioning device for mould, which comprises a first positioning assembly (1) and a second positioning assembly (2). The first positioning assembly (1) comprises two parallel transverse plates (101), two longitudinal plates (103) connected with the transverse plates (101) through engaging parts (102) respectively, a first mould hole column (104) arranged on the transverse plates (101), and a positioning reference hole (105) arranged on one end of the transverse plates (101). The second positioning assembly (2) is connected with the first positioning assembly (1) through engaging parts (3), wherein the second positioning assembly (2) comprises a main plate (201) and at least two second mould hole columns (202) arranged on the main plate (201).

2. The upper-rack-arm drill jig according to claim 1, wherein: The engaging part (102) comprises a first engaging slot (1021) arranged on the transverse plate (101) and a first engaging block (1022) arranged on the end of the longitudinal plate (103) and engaged with the first engaging slot (1021).

3. The upper-rack-arm drill jig according to claim 1, wherein: The number of the longitudinal plates (103) is at least three.

4. The upper-rack-arm drill jig according to claim 1, wherein: The engaging part (3) comprises a second engaging slot (301) arranged on the end of the main plate (201) and a second engaging block (302) arranged on the end of the transverse plate (101) and engaged with the second engaging slot (301).

5. The upper-rack arm drill jig according to claim 4, wherein: The number of the second engaging slot (301) is at least two.

6. The upper-rack arm drill jig according to claim 1, wherein: The main plate (201) is provided with a weight-reducing hole (2011).

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