CN221111661U - Hydraulic system internal interface lock nut assembly and disassembly tools - Google Patents
Hydraulic system internal interface lock nut assembly and disassembly tools Download PDFInfo
- Publication number
- CN221111661U CN221111661U CN202322990196.0U CN202322990196U CN221111661U CN 221111661 U CN221111661 U CN 221111661U CN 202322990196 U CN202322990196 U CN 202322990196U CN 221111661 U CN221111661 U CN 221111661U
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- screwing
- lock nut
- hydraulic system
- joint
- internal interface
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- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model provides a hydraulic system internal interface lock nut assembly and disassembly tools, includes screw joint and screw handle; the screwing joint is of a stepped cylinder structure, one end of the screwing joint is a large-diameter cylinder, the other end of the screwing joint is a small-diameter cylinder, the diameter of the small-diameter cylinder is larger than the outer diameter of the locking nut, a group of positioning columns are arranged on the bottom surface of the small-diameter cylinder of the screwing joint, and the positioning columns can be inserted into a group of circular grooves on the top end surface of the locking nut; the screwing handle is fixedly assembled with the screwing joint. According to the utility model, through the design of the contra-screwing joint structure, the contra-screwing joint structure is matched with the groove on the top end surface of the lock nut, so that the nondestructive dismounting process of the lock nut is realized, and the purposes of meeting the maintenance technical requirements of the hydraulic system of the aircraft and ensuring the safe flight of the aircraft are achieved.
Description
Technical Field
The utility model relates to a nut dismounting tool, in particular to a special tool suitable for the nondestructive dismounting of a locking nut of an internal interface of a pipeline connecting seat of a hydraulic system.
Background
As shown in fig. 1, 2 and 3, a pipeline connecting seat 1 of a hydraulic system on an aircraft is provided with a lock nut 2 at an interface part of an end part of a through hole 1-1 communicated with an oil circuit, the lock nut 2 is provided with a central hole which is vertically communicated, and a group of circular grooves 2-1 are arranged on the top end surface of the lock nut 2.
When the hydraulic system of the aircraft is overhauled, the lock nut 2 needs to be removed without damage, and after the overhauling operation of related parts is completed, the lock nut 2 is installed at the end joint position of the through hole 1-1 without damage. Therefore, a special tool for disassembling and assembling the locking nut of the internal interface of the pipeline connecting seat in the hydraulic system of the aircraft is required to be designed, so that the technical requirement of overhauling the hydraulic system of the aircraft is met, and the safe flight of the aircraft is ensured.
Disclosure of utility model
The utility model provides a hydraulic system internal interface lock nut dismounting tool, which aims to realize the nondestructive dismounting process of a lock nut by matching a counter-screwing joint structure with a groove on the top end surface of the lock nut, thereby achieving the aims of meeting the technical requirement of maintenance of an aircraft hydraulic system and ensuring the safe flight of an aircraft.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a hydraulic system internal interface lock nut assembly and disassembly tools, includes screw joint and screw handle; the screwing joint is of a stepped cylinder structure, one end of the screwing joint is a large-diameter cylinder, the other end of the screwing joint is a small-diameter cylinder, the diameter of the small-diameter cylinder is larger than the outer diameter of the lock nut, a group of positioning columns are arranged on the bottom surface of the small-diameter cylinder of the screwing joint, and the positioning columns can be inserted into circular grooves on the top end surface of the lock nut; the screwing handle is fixedly assembled with the screwing joint.
According to the tool for disassembling and assembling the locking nut of the internal interface of the hydraulic system, the protection pad is arranged on the bottom surface of the small-diameter cylinder of the screwing joint, and the tail end of the positioning column penetrates out of the protection pad.
Above-mentioned hydraulic system internal interface lock nut assembly and disassembly tools, the reference column be with lock nut top terminal surface circular groove position and size assorted cylinder, the reference column quantity is not greater than lock nut top terminal surface circular groove quantity.
According to the disassembling tool for the locking nut of the internal interface of the hydraulic system, two ends of the screwing handle penetrate out of the large-diameter cylinder of the screwing joint along the radial direction.
According to the tool for disassembling and assembling the locking nut of the internal interface of the hydraulic system, one end of the screwing handle is fixedly assembled with the large-diameter cylinder of the screwing joint, and the other end of the screwing handle is the screwing operation end.
The hydraulic system internal interface lock nut dismounting tool is characterized in that the protection pad is of a nonmetallic elastomer structure.
Above-mentioned hydraulic system internal interface lock nut assembly and disassembly tools, lock nut top terminal surface circular recess and reference column quantity are two.
The utility model provides a hydraulic system internal interface lock nut dismounting tool, when an aircraft hydraulic system is overhauled, a positioning column on the bottom surface of a small-diameter cylinder of a screwing joint is spliced and matched with a circular groove on the top end surface of the lock nut, then the screwing joint is driven to rotate by a screwing handle to dismount the lock nut from a pipeline connecting seat of the hydraulic system, after the overhauling operation of related parts in the hydraulic system is completed, the lock nut is mounted on the pipeline connecting seat of the hydraulic system without damage, thereby not only ensuring that the lock nut and the pipeline connecting seat are not damaged in the dismounting process, but also reducing the labor intensity of the dismounting operation and improving the working efficiency by utilizing the lever principle of the screwing handle.
Drawings
FIG. 1 is a schematic view of an assembly of a piping connection block and a lock nut of a hydraulic system on an aircraft;
FIG. 2 is a schematic cross-sectional view of a lock nut;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic diagram of the structure of the present utility model;
FIG. 5 is an enlarged view of the structure shown at I in FIG. 4;
FIG. 6 is a top view of FIG. 4;
FIG. 7 is a schematic diagram of the principles of operation of the present utility model;
FIG. 8 is an enlarged view of the structure at II in FIG. 7.
The reference numerals in the drawings are defined as follows:
1 is a pipeline connecting seat, and 1-1 is a through hole; 2 is a lock nut, and 2-1 is a circular groove; 3 is a lock nut dismounting tool, 3-1 is a screwing joint, 3-1-1 is a positioning column, 3-2 is a screwing handle, and 3-3 is a protection pad.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific examples.
Referring to fig. 1, 2 and 3, a pipeline connecting seat 1 of a hydraulic system on an aircraft is provided with a lock nut 2 at the interface part of the end part of a through hole 1-1 communicated with an oil way, the lock nut 2 is provided with a central hole which is vertically communicated, and a group of circular grooves 2-1 are arranged on the top end surface of the lock nut 2. When the hydraulic system of the aircraft is overhauled, the lock nut 2 is required to be removed without damage, and after the overhauling operation of related parts is completed, the lock nut 2 is installed at the end joint position of the through hole 1-1 without damage.
Referring to fig. 4, 5 and 6, in order to meet the technical requirements of maintenance of an aircraft hydraulic system, the utility model provides a hydraulic system internal interface lock nut dismounting tool, wherein the lock nut dismounting tool 3 comprises a screwing joint 3-1 and a screwing handle 3-2; the screwing joint 3-1 adopts a stepped cylinder structure, one end of the stepped cylinder is a large-diameter cylinder, the other end of the stepped cylinder is a small-diameter cylinder, the diameter size of the small-diameter cylinder is larger than the outer diameter size of the locking nut 2, a group of positioning columns 3-1-1 are arranged on the bottom surface of the small-diameter cylinder of the screwing joint 3-1, the positioning columns 3-1 are cylinders which are matched with the positions and the sizes of the circular grooves 2-1 on the top end surface of the locking nut 2, the number of the positioning columns 3-1 is not larger than the number of the circular grooves 2-1 on the top end surface of the locking nut 2, the positioning columns 3-1 can be fully inserted into the circular grooves 2-1 on the top end surface of the locking nut 2, and as a preferred embodiment, when the number of the circular grooves 2-1 on the top end surface of the locking nut 2 is two, the number of the positioning columns is two groups, a protective pad 3-3 is further arranged on the bottom surface of the small-diameter cylinder of the screwing joint 3-1, the tail end of the positioning columns 3-1-3 is penetrated out of the protective pad 3-3, and the protective pad 3-3 is preferably in a nonmetallic elastomer structure; the screwing handle 3-2 is fixedly assembled with the screwing joint 3-1.
Referring to fig. 4 and 6, in the first preferred embodiment, the two ends of the screwing handle 3-2 are radially penetrated out of the large diameter cylinder of the screwing joint 3-1.
As a second preferred embodiment of the screwing handle 3-2 of the present utility model, one end of the screwing handle 3-2 is fixedly assembled with the large diameter cylinder of the screwing joint 3-1, and the other end is a screwing operation end.
Referring to 7 and 8, when the hydraulic system of the utility model is overhauled, the positioning column 3-1-1 on the bottom surface of the small-diameter cylinder of the screwing joint 3-1 is in plug-in fit with the circular groove 2-1 on the end surface of the top of the locking nut 2, and then the screwing handle 3-2 drives the screwing joint 3-1 to rotate so as to detach the locking screws 2 from the pipeline connecting seat 1 of the hydraulic system; after the maintenance operation of the relevant components in the hydraulic system is completed, the lock nut 2 is installed on the pipeline connecting seat 1 of the hydraulic system in a non-damaging manner.
Claims (7)
1. The utility model provides a hydraulic system internal interface lock nut assembly and disassembly tools which characterized in that: the device comprises a screwing joint (3-1) and a screwing handle (3-2); the screwing joint (3-1) is of a stepped cylinder structure, one end of the screwing joint is a large-diameter cylinder, the other end of the screwing joint is a small-diameter cylinder, the diameter size of the small-diameter cylinder is larger than the outer diameter size of the locking nut (2), a group of positioning columns (3-1-1) are arranged on the bottom surface of the small-diameter cylinder of the screwing joint (3-1), and the positioning columns (3-1-1) can be inserted into a group of circular grooves (2-1) on the top end surface of the locking nut (2); the screwing handle (3-2) is fixedly assembled with the screwing joint (3-1).
2. The hydraulic system internal interface lock nut removal tool of claim 1, wherein: a protection pad (3-3) is arranged on the bottom surface of the small-diameter cylinder of the screwing joint (3-1), and the tail end of the positioning column (3-1-1) penetrates out of the protection pad (3-3).
3. The hydraulic system internal interface lock nut removal tool of claim 1 or 2, wherein: the positioning columns (3-1-1) are cylinders matched with the positions and the sizes of the circular grooves (2-1) on the top end face of the lock nut, and the number of the positioning columns (3-1-1) is not greater than that of the circular grooves (2-1) on the top end face of the lock nut.
4. The hydraulic system internal interface lock nut removal tool of claim 3, wherein: the two ends of the screwing handle (3-2) penetrate out of the large-diameter cylinder of the screwing joint (3-1) along the radial direction.
5. The hydraulic system internal interface lock nut removal tool of claim 3, wherein: one end of the screwing handle (3-2) is fixedly assembled with the large-diameter cylinder of the screwing joint (3-1), and the other end is a screwing operation end.
6. The hydraulic system internal interface lock nut removal tool of claim 2, wherein: the protection pad (3-3) is of a nonmetallic elastomer structure.
7. The hydraulic system internal interface lock nut removal tool of claim 3, wherein: the number of the circular grooves (2-1) on the top end surface of the lock nut (2) and the number of the positioning columns (3-1-1) are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322990196.0U CN221111661U (en) | 2023-11-07 | 2023-11-07 | Hydraulic system internal interface lock nut assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322990196.0U CN221111661U (en) | 2023-11-07 | 2023-11-07 | Hydraulic system internal interface lock nut assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221111661U true CN221111661U (en) | 2024-06-11 |
Family
ID=91363647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322990196.0U Active CN221111661U (en) | 2023-11-07 | 2023-11-07 | Hydraulic system internal interface lock nut assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221111661U (en) |
-
2023
- 2023-11-07 CN CN202322990196.0U patent/CN221111661U/en active Active
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