CN220198967U - Universal wheel locking and positioning structure at bottom of dismounting bracket of aircraft engine - Google Patents
Universal wheel locking and positioning structure at bottom of dismounting bracket of aircraft engine Download PDFInfo
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- CN220198967U CN220198967U CN202321265138.5U CN202321265138U CN220198967U CN 220198967 U CN220198967 U CN 220198967U CN 202321265138 U CN202321265138 U CN 202321265138U CN 220198967 U CN220198967 U CN 220198967U
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- universal wheel
- locking
- wheel body
- aircraft engine
- positioning
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- 238000009434 installation Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The utility model provides a locking and positioning structure of a universal wheel at the bottom of an aircraft engine dismounting bracket, which comprises a bracket bottom plate, wherein the bottom end of the bracket bottom plate is provided with a universal wheel body, the bottom end of the bracket bottom plate is provided with a convex block, the inner side wall of the universal wheel body is provided with a mounting block, the bottom end of the bracket bottom plate is provided with a locking and positioning assembly of the universal wheel body, and the inside of the convex block is provided with a fixing mechanism of the locking and positioning assembly; according to the utility model, through the use of the locking and positioning assembly, when the support needs to be positioned and moved, the universal wheel body is locked and fixed to rotate through the locking and positioning assembly, so that the universal wheel body is positioned and moved, the situation that an operator needs to adjust the azimuth of the universal wheel body for many times to move due to rotation is avoided, meanwhile, the disassembly and assembly efficiency of an aircraft engine is improved, and then the fixing mechanism is used, so that the locking and positioning assembly is convenient to assemble on the support, and the convenience and the installability of the universal wheel locking and positioning structure are improved.
Description
Technical Field
The utility model belongs to the technical field of disassembly and assembly of aircraft engines, and particularly relates to a universal wheel locking and positioning structure at the bottom of a disassembly and assembly bracket of an aircraft engine.
Background
The aircraft is an aircraft which is provided with wings and one or more engines and can fly in the atmosphere by self power and is heavier than air, the aircraft is required to be disassembled and assembled to carry out regular maintenance after taking off and landing for several times at present, the aircraft is required to be supported in an auxiliary mode by a support in the process of disassembling and assembling the engine, the bottom end of the support is provided with a universal wheel to assist the support to move, meanwhile, the structure of the universal wheel is allowed to rotate by 360 degrees horizontally, the support is influenced by the rotation of the universal wheel in the moving process, an operator is required to adjust the azimuth of the universal wheel for many times, the universal wheel is positioned and moved, so that a great amount of time is wasted, and meanwhile, the disassembling and assembling efficiency of the engine is delayed, and therefore, the universal wheel locking and positioning structure at the bottom of the disassembly support of the aircraft engine is designed.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a locking and positioning structure for a universal wheel at the bottom of an engine dismounting bracket of an aircraft, which aims to solve the problems that in the prior art, after an aircraft takes off and land for several times, the engine is required to be dismounted and mounted for regular maintenance to ensure the flying power of the aircraft, the bracket is required to be supported in an auxiliary way in the dismounting process of the engine, the universal wheel is arranged at the bottom end of the bracket to assist the bracket to move, and meanwhile, the structure of the universal wheel is allowed to rotate for 360 degrees horizontally, so that the bracket is influenced by the rotation of the universal wheel in the moving process of the bracket, and an operator is required to adjust the azimuth of the universal wheel for many times to enable the universal wheel to perform positioning movement, so that a great amount of time is wasted, and meanwhile, the dismounting efficiency of the engine is delayed.
The utility model provides an aircraft engine dismouting support bottom universal wheel locking location structure, includes the support bottom plate, the universal wheel body is installed in the bottom assembly of support bottom plate, the lug is installed to the bottom of support bottom plate, the installation piece is installed to the inside wall of universal wheel body, the universal wheel body is the symmetry assembly and installs in the bottom of support bottom plate, the bottom of support bottom plate is provided with the locking locating component of universal wheel body, the inside of lug is provided with locking locating component's fixed establishment.
Preferably, the locking positioning assembly comprises a connecting block, a telescopic rod, a positioning pin, a positioning hole and a supporting rod, wherein the connecting block is arranged at the bottom end of the support base plate, the telescopic rod is arranged on two side walls of the connecting block, the positioning pin is connected to the top end of the telescopic rod, the positioning hole is formed in the top surface of the telescopic end of the telescopic rod, and the supporting rod is arranged on the top end of the connecting block.
Preferably, the extension length of the telescopic rod is propped against the notch of the installation block on the inner side wall of the universal wheel body, and the telescopic rod is provided with two telescopic rods which are correspondingly installed on two sides of the connecting block.
Preferably, the locating pin penetrates through the mounting block and is fixedly connected with the telescopic rod.
Preferably, the fixing mechanism comprises a spring and a movable pin, the spring is arranged in the protruding block, and the movable pin is sleeved on the inner ring of the spring.
Preferably, the movable pin is in flexible connection with the convex block through a spring, and the movable pin is in a shape of Chinese character 'Tu'.
Preferably, the movable pin is connected with the support rod in an elastic clamping way through a spring.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the use of the locking and positioning assembly, when the support needs to be positioned and moved, the universal wheel body is locked and fixed to rotate through the locking and positioning assembly, so that the universal wheel body is positioned and moved, the situation that an operator needs to adjust the azimuth of the universal wheel body for many times to move due to rotation is avoided, meanwhile, the disassembly and assembly efficiency of an aircraft engine is improved, and then the fixing mechanism is used, so that the locking and positioning assembly is convenient to assemble on the support, and the convenience and the installability of the universal wheel locking and positioning structure are improved.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the main body of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;
FIG. 4 is a schematic view of the locking and positioning assembly of the present utility model.
In the figure: 1. a bracket base plate; 2. a universal wheel body; 3. a bump; 4. a mounting block; 5. locking and positioning components; 51. a connecting block; 52. a telescopic rod; 53. a positioning pin; 54. positioning holes; 55. a support rod; 6. a spring; 7. a movable pin.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the utility model provides a locking and positioning structure for a universal wheel at the bottom of an aircraft engine dismounting bracket, which comprises a bracket bottom plate 1, wherein a universal wheel body 2 is assembled and installed at the bottom end of the bracket bottom plate 1, a convex block 3 is installed at the bottom end of the bracket bottom plate 1, an installation block 4 is installed on the inner side wall of the universal wheel body 2, the universal wheel body 2 is symmetrically assembled and installed at the bottom end of the bracket bottom plate 1, a locking and positioning assembly 5 of the universal wheel body 2 is arranged at the bottom end of the bracket bottom plate 1, and a fixing mechanism of the locking and positioning assembly 5 is arranged inside the convex block 3.
Referring to fig. 1-4, the locking and positioning assembly 5 comprises a connecting block 51, a telescopic rod 52, a positioning pin 53, a positioning hole 54 and a supporting rod 55, wherein the connecting block 51 is arranged at the bottom end of the support base plate 1, the telescopic rod 52 is installed at two side walls of the connecting block 51, the positioning pin 53 is connected at the top end of the telescopic rod 52, the positioning hole 54 is formed in the top surface of the telescopic end of the telescopic rod 52, the supporting rod 55 is installed at the top end of the connecting block 51, and the support is enabled to realize locking and positioning movement of the bottom end universal wheel body 2 through the universal wheel body 2 by using the locking and positioning assembly 5, so that the situation that the universal wheel body 2 needs to be adjusted for many times is avoided.
Referring to fig. 1-4, the extension length of the telescopic rod 52 is propped against the notch of the installation block 4 on the inner side wall of the universal wheel body 2, the telescopic rod 52 is provided with two corresponding installation blocks 51, and the telescopic length of the telescopic rod 52 is propped against the notch of the installation block 4 on the inner side wall of the universal wheel body 2, so that the pulling length of the telescopic rod 52 can be just inserted and fixed with the installation block 4 through the positioning pin 53.
Referring to fig. 1-4, the positioning pin 53 penetrates through the mounting block 4 and forms a fixed connection with the telescopic rod 52, and through the use of the positioning pin 53, the positioning pin 53 can fix the telescopic rod 52 for telescopic movement, and meanwhile, the positioning pin 53 can be inserted into the mounting block 4 to lock the telescopic rod 52, so that the telescopic rod 52 can limit the rotation of the universal wheel body 2.
Referring to fig. 1-3, the fixing mechanism comprises a spring 6 and a movable pin 7, the spring 6 is installed in the bump 3, the movable pin 7 is sleeved on the inner ring of the spring 6, and the fixing mechanism is convenient to install the locking and positioning assembly 5 through the use of the fixing mechanism, so that the convenience of installing the locking and positioning assembly 5 is improved.
Referring to fig. 1-3, the movable pin 7 is in elastic telescopic connection with the bump 3 through the spring 6, the movable pin 7 is in a shape like a Chinese character 'tu', and elastic telescopic connection is formed between the movable pin 7 and the spring 6 and the bump 3, so that the movable pin 7 can conveniently move through the elastic acting force of the spring 6, and further the opening of the installation bump 3 of the locking and positioning assembly 5 is conveniently locked.
Referring to fig. 1-3, the movable pin 7 is connected with the supporting rod 55 through an elastic clamping connection formed between the spring 6 and the supporting rod 55, and the supporting rod 55 is conveniently installed on the supporting rod through the movable pin 7 through an elastic clamping connection formed between the movable pin 7 and the spring 6.
The specific working principle is as follows: when the universal wheel locking and positioning structure at the bottom of the support frame for dismounting the aircraft engine is used, as shown in fig. 1-4, firstly, the aircraft takes off and land several times, the engine needs to be regularly maintained and maintained to ensure the flying power of the aircraft, at the moment, maintenance personnel need to dismount the engine, the dismounting of the engine needs to be assisted by the support frame, then the support frame is pushed to the bottom end of the engine by the maintenance personnel to carry out auxiliary work, when the support frame in operation needs to carry out locking and positioning movement of the universal wheel body 2 at the bottom end, at the moment, the locking and positioning assembly 5 is assembled at the bottom end of the support frame, then the support frame 55 is close to the lug 3 at the bottom end of the support frame bottom plate 1, then the support frame 55 is put in along the opening of the lug 3, then the end of the movable pin 7 is held by the staff to be pulled outwards, then the protruding part of the movable pin 7 presses the spring 6 to enable the spring 6 to shrink deformation, then the supporting rod 55 is inserted into the opening of the protruding block 3 and then the pulled movable pin 7 is loosened, the movable pin 7 is elastically clamped in the openings at two sides of the supporting rod 55 through the elastic force of the spring 6 to be fixed, the locking and positioning assembly 5 is conveniently assembled on the bracket, the convenience and the installability of the locking and positioning structure of the universal wheel are improved, then the positioning pin 53 is taken out and then the telescopic rod 52 is pulled, the extending end of the telescopic rod 52 is abutted against the mounting block 4 on the inner side wall of the universal wheel body 2 to stop, then the taken out positioning pin 53 is inserted along the opening at the top end of the mounting block 4, at the moment, the positioning pin 53 penetrates through the openings of the mounting block 4 and the telescopic rod 52, then the telescopic rod 52 fixes the rotation force of the universal wheel body 2 to limit the rotation force, the situation that a worker needs to adjust the azimuth of the universal wheel body 2 for many times is avoided, and the dismounting efficiency of an aircraft engine is improved, then the universal wheel locking and positioning structure at the bottom of the dismounting bracket of the aircraft engine is characterized.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (7)
1. The utility model provides an aircraft engine dismouting support bottom universal wheel locking location structure, includes support bottom plate (1), its characterized in that: the universal wheel comprises a support base plate (1), wherein a universal wheel body (2) is assembled and installed at the bottom end of the support base plate (1), a lug (3) is installed at the bottom end of the support base plate (1), an installation block (4) is installed on the inner side wall of the universal wheel body (2), and the universal wheel body (2) is symmetrically assembled and installed at the bottom end of the support base plate (1);
the bottom of the support bottom plate (1) is provided with a locking and positioning assembly (5) of the universal wheel body (2), and the inside of the lug (3) is provided with a fixing mechanism of the locking and positioning assembly (5).
2. The aircraft engine mounting bracket bottom caster locking and positioning structure of claim 1, wherein: locking locating component (5) are including connecting block (51), telescopic link (52), locating pin (53), locating hole (54) and branch (55), connecting block (51) set up in the bottom of support bottom plate (1), telescopic link (52) are installed at the both sides wall of connecting block (51), the top at telescopic link (52) is connected to locating pin (53), the top surface at telescopic link (52) flexible end is seted up in locating hole (54), the top at connecting block (51) is installed to branch (55).
3. The aircraft engine mounting bracket bottom caster locking and positioning structure of claim 2, wherein: the extension length of the telescopic rod (52) is propped against the notch of the inner side wall mounting block (4) of the universal wheel body (2), and the telescopic rod (52) is provided with two telescopic rods which are correspondingly arranged on two sides of the connecting block (51).
4. The aircraft engine mounting bracket bottom caster locking and positioning structure of claim 2, wherein: the locating pin (53) penetrates through the mounting block (4) and is fixedly connected with the telescopic rod (52).
5. The aircraft engine mounting bracket bottom caster locking and positioning structure of claim 1, wherein: the fixing mechanism comprises a spring (6) and a movable pin (7), the spring (6) is arranged in the protruding block (3), and the movable pin (7) is sleeved on the inner ring of the spring (6).
6. The aircraft engine assembly and disassembly bracket bottom gimbal locking positioning structure of claim 5, wherein: the movable pin (7) is in elastic telescopic connection with the convex block (3) through the spring (6), and the movable pin (7) is shaped like a Chinese character 'Tu'.
7. The aircraft engine assembly and disassembly bracket bottom gimbal locking positioning structure of claim 5, wherein: the movable pin (7) is connected with the supporting rod (55) in an elastic clamping way through the spring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321265138.5U CN220198967U (en) | 2023-05-24 | 2023-05-24 | Universal wheel locking and positioning structure at bottom of dismounting bracket of aircraft engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321265138.5U CN220198967U (en) | 2023-05-24 | 2023-05-24 | Universal wheel locking and positioning structure at bottom of dismounting bracket of aircraft engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220198967U true CN220198967U (en) | 2023-12-19 |
Family
ID=89142649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321265138.5U Active CN220198967U (en) | 2023-05-24 | 2023-05-24 | Universal wheel locking and positioning structure at bottom of dismounting bracket of aircraft engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220198967U (en) |
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2023
- 2023-05-24 CN CN202321265138.5U patent/CN220198967U/en active Active
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