A kind of bending device for aviation fastener processing

Abstract

The utility model relates to the technical field of fastener bending device, specifically discloses a kind of bending device for aviation fastener processing, comprising: press mounting component, the recess of hexagonal slotted nut is used to cover;Mounting hole, be set in press mounting component, can be installed on bolt by screw thread connection;Butt component, parallel to the radial direction of mounting hole, by screw thread connection setting on press mounting component, one end of butt component is used to resist the head of split pin;Pliers, for staff to hold, for bending the tail of split pin;By using the utility model, the radial direction movement of split pin along bolt can be limited, the recess of hexagonal slotted nut can also be covered, to prevent the tail of split pin from lifting out of recess, staff can conveniently use pliers to bend split pin, and staff can conveniently carry out the bending operation of aviation fastener.

Description

Technical Field

[0001] This utility model relates to the technical field of fastener bending devices, and in particular to a bending device for processing aerospace fasteners. Background Technology

[0002] Reference Figure 1 As shown, in the fastening and installation of aerospace components, cotter pin 3 and hexagonal slotted nut 1 are commonly used fastening and installation combinations.

[0003] During the installation process, the cotter pin 3 needs to be passed through the groove of the hexagonal slotted nut 1 and the bolt 2. The head of the cotter pin 3 is placed against one side of the hexagonal slotted nut 1. Then, the workers use needle-nose pliers 6 to manually bend and separate the two legs at the tail of the cotter pin 3, and then roll the two legs back to fit against the other side of the hexagonal slotted nut 1.

[0004] However, during the process of manually bending the tail of the cotter pin 3 using needle-nose pliers 6, the cotter pin 3 is prone to being moved along the radial direction of the bolt 2 under force. Often, the worker needs to hold the head of the cotter pin 3 to prevent the opening line from moving along the radial direction of the bolt 2. In addition, since the groove of the hexagonal slotted nut 1 is in an open state, the tail of the cotter pin 3 is also prone to being lifted up under force, which is not convenient for the worker to perform bending operations on aviation fasteners. Utility Model Content

[0005] In view of the above problems, this utility model provides a bending device for processing aviation fasteners, the purpose of which is to prevent cotter pins from moving and facilitate workers to perform bending operations on aviation fasteners.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A bending device for processing aerospace fasteners is provided, comprising: a pressing component for sealing the groove of a hexagonal slotted nut; a mounting hole formed in the pressing component for threaded connection to a bolt; an abutment component parallel to the radial direction of the mounting hole and threadedly connected to the pressing component, one end of the abutment component for abutting the head of a cotter pin; and needle-nose pliers for the operator to hold and for bending the tail of the cotter pin.

[0008] Furthermore, the device also includes a relief groove, formed within the press-fitting component, through which the head / tail of the cotter pin passes and one end of the abutment component extends into the relief groove.

[0009] Furthermore, the device also includes an anti-slip sleeve, made of rubber, which is fitted onto the abutting component.

[0010] Furthermore, the press-fit component includes: a main body; a sliding member, parallel to the axial direction of the bolt, slidably mounted on the main body, and an abutment member mounted on the sliding member via a threaded connection; and a limiting member, used to restrict the sliding of the sliding member.

[0011] Furthermore, the limiting component includes: a wedge block disposed on the main body; a wedge groove formed on the sliding component, wherein the wedge block is slidably placed in the wedge groove; and a limiting screw installed on the sliding component by means of a threaded connection, wherein the end of the limiting screw is used to abut against the wedge block.

[0012] Furthermore, at least two wedge-shaped blocks are symmetrically arranged on the main body.

[0013] The beneficial effects of this utility model are as follows: by using this utility model, the movement of the cotter pin along the radial direction of the bolt can be restricted, and the groove of the hexagonal slotted nut can be sealed to prevent the tail of the cotter pin from lifting up and falling out of the groove. It also makes it easier for workers to bend the cotter pin with needle-nose pliers and facilitates the bending operation of aviation fasteners. Attached Figure Description

[0014] Figure 1 This is a top view of the installation of cotter pins and hexagonal slotted nuts in the prior art.

[0015] Figure 2 This is a top view of the press-fit component provided in an embodiment of this application.

[0016] Figure 3 This is a side view of the press-fit component provided in an embodiment of this application.

[0017] Among them, 1. Hexagonal slotted nut; 2. Bolt; 3. Cotter pin; 4. Press-fit component; 41. Main body; 42. Sliding component; 43. Wedge block; 44. Limiting screw; 5. Mounting hole; 6. Needle-nose pliers; 7. Relief groove; 8. Abutment component; 81. Anti-slip sleeve. Detailed Implementation

[0018] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0019] Reference Figure 2 and Figure 3 As shown in the figure, this application discloses a bending device for processing aviation fasteners, including: a pressing component 4 for sealing the groove of a hexagonal slotted nut 1; a mounting hole 5, which is opened in the pressing component 4 and can be installed on a bolt 2 by threaded connection; an abutment component 8, which is parallel to the radial direction of the mounting hole 5 and is set on the pressing component 4 by threaded connection, one end of the abutment component 8 is used to abut the head of a cotter pin 3; and needle-nose pliers 6, which are held by the operator for bending the tail of the cotter pin 3.

[0020] In practical use, after installing bolt 2 and hexagonal slotted nut 1, the cotter pin 3 is passed through the groove of hexagonal slotted nut 1 and bolt 2. Then, the press-fit component 4 is installed on bolt 2 through threaded connection. The press-fit component 4 is manually turned until it presses against the top of hexagonal slotted nut 1, sealing the groove of hexagonal slotted nut 1. Then, the abutment component 8 is manually turned until one end of the abutment component 8 touches the head of cotter pin 3 to prevent cotter pin 3 from moving in the radial direction of bolt 2. Finally, the worker uses needle-nose pliers 6 to turn and bend the tail of cotter pin 3.

[0021] By using this utility model, the movement of the cotter pin 3 along the radial direction of the bolt 2 can be restricted, and the groove of the hexagonal slotted nut 1 can be sealed to prevent the tail of the cotter pin 3 from lifting out of the groove. It also makes it easier for workers to bend the cotter pin 3 using needle-nose pliers 6.

[0022] It is worth mentioning that the press-fit component 4 is installed on the bolt 2 via a threaded connection, and can be disassembled and reused repeatedly.

[0023] Specifically, the device also includes a relief groove 7, which is formed in the press-fitting component 4 for the head / tail of the cotter pin 3 to pass through, and one end of the abutment component 8 to extend into the relief groove 7.

[0024] It is worth mentioning that the clearance groove 7 can be arc-shaped.

[0025] In this embodiment, the device also includes an anti-slip sleeve 81, made of rubber, which is fitted onto the abutment component 8 for workers to manually twist the abutment component 8.

[0026] Specifically, the press-fit component 4 includes: a main body 41; a sliding member 42, parallel to the axial direction of the bolt 2, slidably mounted on the main body 41, and an abutting member 8 mounted on the sliding member 42 via a threaded connection; and a limiting member, used to restrict the sliding of the sliding member.

[0027] Preferably, the limiting member includes: a wedge block 43 disposed on the main body 41; a wedge groove formed on the sliding member 42, wherein the wedge block 43 is slidably placed in the wedge groove; and a limiting screw 44 installed on the sliding member 42 by means of a threaded connection, wherein the end of the limiting screw 44 is used to abut against the wedge block 43.

[0028] In practical use, by sliding the sliding member 42 on the main body 41, the abutting member 8 can be driven to slide. Adjust the position of the abutting member 8 in the axial direction of the bolt 2, and after sliding the sliding member 42 to a suitable position, tighten the limiting screw 44 until one end of the limiting screw 44 abuts against the wedge block 43, so that the side of the wedge block 43 and the wedge groove abut against each other, thereby restricting the sliding member 42 from sliding. By using this utility model, the installation position of the abutting member 8 can be finely adjusted to meet the limiting requirements of cotter pins 3 of different heights.

[0029] Preferably, at least two wedge blocks 43 are symmetrically arranged on the main body 41, and two wedge grooves and two limiting screws 44 are provided accordingly to improve the stability of the limiting.

[0030] Preferably, a pad can be added to the main body 41. The pad is bonded to the main body 41 and is made of rubber. The pad is located between the main body 41 and the hexagonal slotted nut 1. When the operator turns the main body 41, the pad can be elastically pressed, which facilitates the adjustment of the installation position of the abutting part 8 in the circumferential direction and ensures that the abutting part 8 abuts against the cotter pin 3.

[0031] Those skilled in the art will understand that although preferred embodiments of the present invention have been described, those skilled in the art, once they learn the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if these modifications and modifications of the present invention fall within the scope of the machine equivalents of the claims of the present invention, the present invention also intends to include these modifications and modifications.

Claims

1. A bending device for processing aerospace fasteners, characterized in that, include: Press-fit component (4) is used to seal the groove of the hexagonal slotted nut (1); Mounting hole (5) is provided in the press-fit component (4) and can be installed on bolt (2) by threaded connection; The abutting part (8) is parallel to the radial direction of the mounting hole (5) and is connected to the press-fitting part (4) by a threaded connection. One end of the abutting part (8) is used to abut the head of the cotter pin (3). Needle-nose pliers (6) are for workers to hold and use to bend the tail of the cotter pin (3).

2. The bending device for processing aerospace fasteners according to claim 1, characterized in that, Also includes: A relief groove (7) is provided in the press-fitting component (4) for the head / tail of the cotter pin (3) to pass through, and one end of the abutting component (8) to extend into the relief groove (7).

3. The bending device for processing aerospace fasteners according to claim 1, characterized in that, It also includes an anti-slip sleeve (81), made of rubber, which is fitted onto the abutment part (8).

4. The bending device for processing aerospace fasteners according to claim 1, characterized in that, Press-fit component (4) includes: Main body (41); The sliding member (42) is parallel to the axial direction of the bolt (2) and is slidably mounted on the main body (41). The abutting member (8) is mounted on the sliding member (42) by a threaded connection. Limiting components are used to restrict the sliding of sliding components.

5. The bending device for processing aerospace fasteners according to claim 4, characterized in that the limiting member... include: A wedge-shaped block (43) is disposed on the main body (41); A wedge-shaped groove is provided on the sliding member (42), and the wedge block (43) is slidably placed in the wedge-shaped groove; The limiting screw (44) is installed on the sliding member (42) by a threaded connection, and the end of the limiting screw (44) is used to abut against the wedge block (43).

6. The bending device for processing aerospace fasteners according to claim 5, characterized in that, At least two wedge-shaped blocks (43) are symmetrically arranged on the main body (41).

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