Flange lateral drilling positioning tool

By designing a flange lateral drilling positioning fixture and adopting a support structure composed of a horizontal plate and an L-shaped plate, the problem of unstable flange neck clamping was solved, and the flange was stably fixed and the bolt components were easily operated.

CN223531940UActive Publication Date: 2025-11-11LINYI HUATAI MASCH CO LTD
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Patent Information

Application Number
CN202423059207.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-11
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing technologies for clamping and machining vertical plates on flange necks are unstable and prone to damaging the flange, and there is a lack of dedicated side-drilling positioning fixtures.

Method used

A flange lateral drilling positioning fixture was designed, which adopts a support structure composed of a horizontal plate and two L-shaped plates. The flange and neck are fixed by horizontal abutment bolts and lateral abutment bolts, and auxiliary bolts and threaded pipes are used for stable clamping.

Benefits of technology

This ensures stable fixing of the flange, guaranteeing the processing stability of the vertical plate on the neck and convenient operation of the bolt components.

✦ Generated by Eureka AI based on patent content.

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Abstract

A flange lateral drilling positioning tool comprises a clamping cavity matched with a flange plate, a horizontal plate parallel to the flange plate is arranged on one side of the clamping cavity, L-shaped plates are arranged on the two sides of the horizontal plate respectively, and the L-shaped plates are arranged on the other side of the flange plate. A horizontal abutting bolt in threaded connection with the horizontal plate is arranged on the horizontal plate; the sides, away from the horizontal plate, of the two L-shaped plates are each provided with a lateral abutting bolt which is perpendicular to the horizontal abutting bolt and faces the neck pipe connected with the flange plate, and the lateral abutting bolts are in threaded connection with the L-shaped plates. The horizontal plate and the two L-shaped plates are adopted to form an integral support structure, then the flange plate and the neck pipe are fixed through the horizontal abutting bolts and the lateral abutting bolts, the fixing effect on the flange plate can be guaranteed, and therefore machining of a vertical plate on the neck pipe in the later period is facilitated.
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Description

Technical Field

[0001] This application relates to a flange lateral drilling positioning fixture. Background Technology

[0002] A flange is a structure used to connect pipes and fittings. One type of flange is the neck flange, which has a neck on one side. In certain applications, a vertical plate needs to be installed on the neck, and bolt holes are then provided on the vertical plate for component assembly. While drilling into flanges has a well-established process, current clamping methods for vertical plates are varied and prone to damaging the flange. Therefore, it is necessary to develop specialized side-drilling positioning fixtures to meet the requirements for side-drilling of flanges. Utility Model Content

[0003] To address the aforementioned problems, this application proposes a flange lateral drilling positioning fixture, comprising a snap-fit ​​cavity that mates with the flange, a horizontal plate parallel to the flange on one side of the snap-fit ​​cavity, and L-shaped plates on both sides of the horizontal plate, the L-shaped plates positioned on the opposite side of the flange; a horizontal abutment bolt threaded to the horizontal plate; and lateral abutment bolts perpendicular to the horizontal abutment bolts and facing the flange-connected neck tube on the side of each L-shaped plate away from the horizontal plate, the lateral abutment bolts being threaded to the L-shaped plates. This application uses a horizontal plate and two L-shaped plates to form an integral support structure, and then uses the horizontal and lateral abutment bolts to fix the flange and neck tube, ensuring effective fixing of the flange and facilitating subsequent processing of the vertical plate on the neck tube.

[0004] Preferably, an auxiliary bolt is also provided on the L-shaped plate to abut against the lateral abutment bolt, and the auxiliary bolt is threadedly connected to the L-shaped plate.

[0005] Preferably, the auxiliary bolt is arranged parallel to the horizontal abutment bolt. The auxiliary bolt of this application can assist in the abutment of the horizontal abutment bolt, ensuring a clamping effect, and thus facilitating stable subsequent processing operations.

[0006] Preferably, an auxiliary threaded tube that mates with an auxiliary bolt and a lateral threaded tube that mates with a lateral abutment bolt are provided on the L-shaped plate; a horizontal threaded tube that mates with a horizontal abutment bolt is provided on the horizontal plate, the horizontal threaded tube protruding from the horizontal plate, and the auxiliary threaded tube and the lateral threaded tube protruding from the L-shaped plate. This application, through the protruding horizontal threaded tube, auxiliary threaded tube, and lateral threaded tube, facilitates the assembly and operation of bolt components.

[0007] Preferably, the auxiliary bolts, lateral abutment bolts, and horizontal abutment bolts are arranged on the same side.

[0008] Preferably, an abutment operating nut is provided on the outer side of the end of the lateral abutment bolt; and an auxiliary operating nut is provided on the outer side of the end of the auxiliary bolt.

[0009] Preferably, the L-shaped plate is chamfered on the inward side and at the junction of the L-shaped plate and the horizontal plate.

[0010] Preferably, an operating transverse rod is provided on the side of the horizontal abutment bolt facing outward, and an abutment cone is provided on the side of the horizontal abutment bolt facing inward.

[0011] Preferably, an observation hole is provided on the L-shaped plate.

[0012] This application can bring the following beneficial effects:

[0013] 1. This application adopts a support structure consisting of a horizontal plate and two L-shaped plates. The flange and the neck are then fixed by horizontal and lateral abutment bolts, which ensures the fixing effect of the flange and facilitates the subsequent processing of the vertical plate on the neck.

[0014] 2. The auxiliary bolts in this application can assist in the abutment of the horizontal abutment bolts, ensuring the clamping effect, which in turn facilitates stable processing operations in the later stages.

[0015] 3. This application facilitates the assembly and operation of bolt components by using prominently designed horizontal threaded tubes, auxiliary threaded tubes, and lateral threaded tubes. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the structure used in this application.

[0018] Figure 2 This is a schematic diagram of the structure of this application. Detailed Implementation

[0019] To clearly illustrate the technical features of this solution, the following detailed description, in conjunction with the accompanying drawings, will be provided.

[0020] In the first embodiment, such as Figure 1As shown, a flange lateral drilling positioning fixture includes a snap-fit ​​cavity 1 that mates with a flange 31. A horizontal plate 2 parallel to the flange 31 is provided on one side of the snap-fit ​​cavity 1. L-shaped plates 3 are provided on both sides of the horizontal plate 2, and the L-shaped plates 3 are provided on the other side of the flange 31. A horizontal abutment bolt 4 threadedly connected to the horizontal plate 2 is provided on the horizontal plate 2. A lateral abutment bolt 5 perpendicular to the horizontal abutment bolt 4 and facing the neck tube 32 connected to the flange 31 is provided on the side of each L-shaped plate 3 away from the horizontal plate 2. The lateral abutment bolt 5 is threadedly connected to the L-shaped plate 3.

[0021] In use, flange 31 is fitted into snap-fit ​​cavity 1, neck tube 32 passes through the gap between two L-shaped plates 3, then one side of flange 31 is abutted with horizontal abutment bolt 4, and the other side is abutted with neck tube 32 with lateral abutment bolt 5 to complete the fixation, and vertical plate 33 on neck tube 32 is passed out on the outside of L-shaped plate 3, so that the vertical plate 33 can be perforated.

[0022] In the second embodiment, as Figure 1-2 As shown, a flange lateral drilling positioning fixture includes a snap-fit ​​cavity 1 that mates with a flange 31. A horizontal plate 2 parallel to the flange 31 is provided on one side of the snap-fit ​​cavity 1. L-shaped plates 3 are provided on both sides of the horizontal plate 2, and the L-shaped plates 3 are provided on the other side of the flange 31. A horizontal abutment bolt 4 threadedly connected to the horizontal plate 2 is provided on the horizontal plate 2. A lateral abutment bolt 5 perpendicular to the horizontal abutment bolt 4 and facing the neck tube 32 connected to the flange 31 is provided on the side of each L-shaped plate 3 away from the horizontal plate 2. The lateral abutment bolt 5 is threadedly connected to the L-shaped plate 3.

[0023] An auxiliary bolt 6 is also provided on the L-shaped plate 3, which abuts against the lateral abutment bolt 5. The auxiliary bolt 6 is threadedly connected to the L-shaped plate 3. The auxiliary bolt 6 is arranged parallel to the horizontal abutment bolt 4. An auxiliary threaded tube 7 and a lateral threaded tube 8 that mate with the auxiliary bolt 6 are provided on the L-shaped plate 3. A horizontal threaded tube 9 that mates with the horizontal abutment bolt 4 is provided on the horizontal plate 2. The horizontal threaded tube 9 protrudes from the horizontal plate 2, while the auxiliary threaded tube 7 and the lateral threaded tube 8 protrude from the L-shaped plate 3. The auxiliary bolt 6, the lateral abutment bolt 5, and the horizontal abutment bolt 4 are all located on the same side.

[0024] An abutment operating nut 10 is provided on the outer side of the end of the lateral abutment bolt 5; an auxiliary operating nut 11 is provided on the outer side of the end of the auxiliary bolt 6. An operating transverse rod 12 is provided on the outward side of the horizontal abutment bolt 4, and an abutment cone 13 is provided on the inward side of the horizontal abutment bolt 4.

[0025] Chamfering is provided on the inward-facing side of the L-shaped plate 3 and at the junction of the L-shaped plate 3 and the horizontal plate 2.

[0026] An observation hole 14 is provided on the L-shaped plate 3.

[0027] In use, flange 31 is fitted into snap-fit ​​cavity 1, neck tube 32 passes through the gap between two L-shaped plates 3, then one side of flange 31 is secured by horizontal abutment bolt 4 passing through horizontal threaded pipe 9 and abutting against it, and the other side is secured by lateral abutment bolt 5 passing through lateral threaded pipe 8 and abutting against neck tube 32. Then, auxiliary bolt 6 passes through auxiliary threaded pipe 7 and abuts against the other side of flange 31. Then, vertical plate 33 on neck tube 32 is passed out outside L-shaped plate 3, which allows for perforation of vertical plate 33.

[0028] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A flange lateral drilling positioning fixture, characterized in that: The device includes a snap-fit ​​cavity that mates with a flange. A horizontal plate parallel to the flange is provided on one side of the snap-fit ​​cavity. L-shaped plates are provided on both sides of the horizontal plate, and the L-shaped plates are located on the other side of the flange. A horizontal abutment bolt threaded to the horizontal plate is provided on the horizontal plate. A lateral abutment bolt perpendicular to the horizontal abutment bolt and facing the flange connecting neck is provided on the side of each L-shaped plate away from the horizontal plate. The lateral abutment bolt is threaded to the L-shaped plate.

2. The flange lateral drilling positioning fixture as described in claim 1, characterized in that: An auxiliary bolt is also provided on the L-shaped plate to abut against the lateral abutment bolt, and the auxiliary bolt is threadedly connected to the L-shaped plate.

3. The flange lateral drilling positioning fixture as described in claim 2, characterized in that: The auxiliary bolts are arranged parallel to the horizontal abutment bolts.

4. The flange lateral drilling positioning fixture as described in claim 2, characterized in that: An auxiliary threaded tube that mates with an auxiliary bolt and a lateral threaded tube that mates with a lateral abutment bolt are provided on an L-shaped plate; a horizontal threaded tube that mates with a horizontal abutment bolt is provided on a horizontal plate, the horizontal threaded tube protruding from the horizontal plate, and the auxiliary threaded tube and the lateral threaded tube protruding from the L-shaped plate.

5. The flange lateral drilling positioning fixture as described in claim 2, characterized in that: The auxiliary bolts, lateral abutment bolts, and horizontal abutment bolts are installed on the same side.

6. The flange lateral drilling positioning fixture as described in claim 1, characterized in that: An abutment operating nut is provided on the outer side of the end of the lateral abutment bolt; an auxiliary operating nut is provided on the outer side of the end of the auxiliary bolt.

7. The flange lateral drilling positioning fixture as described in claim 1, characterized in that: Chamfering is applied to the inward-facing side of the L-shaped plate and at the junction of the L-shaped plate and the horizontal plate.

8. The flange lateral drilling positioning fixture as described in claim 1, characterized in that: An operating horizontal rod is installed on the side of the horizontal abutment bolt facing outwards, and an abutment cone is installed on the side of the horizontal abutment bolt facing inwards.

9. The flange lateral drilling positioning fixture as described in claim 1, characterized in that: An observation hole is provided on the L-shaped plate.