CN221097267U - Split type torsion barrel assembly - Google Patents
Split type torsion barrel assembly Download PDFInfo
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- CN221097267U CN221097267U CN202322984973.0U CN202322984973U CN221097267U CN 221097267 U CN221097267 U CN 221097267U CN 202322984973 U CN202322984973 U CN 202322984973U CN 221097267 U CN221097267 U CN 221097267U
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- cylinder body
- force transmission
- transmission seat
- groove
- mounting grooves
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- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000012423 maintenance Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The invention discloses a split type torsion cylinder assembly, which belongs to the technical field of airplane brake and comprises a cylinder body, a force transmission seat and a connecting lug, wherein a connecting flange is arranged at the inner edge of one end of the cylinder body and used for connecting a piston seat, and the other end of the cylinder body is an open end. An annular groove is formed in the outer wall of the cylinder body close to the opening end, a plurality of rectangular grooves are uniformly distributed on the side wall of the groove and are communicated with the groove, and a plurality of first mounting grooves are formed in the end face of the opening end. A plurality of rectangular convex keys matched with the rectangular grooves are circumferentially and uniformly distributed at one end of the inner diameter of the annular force transmission seat, and second mounting grooves which are in one-to-one correspondence with the first mounting grooves are formed in the outer end face of the annular force transmission seat. The force transmission seat is sleeved at the opening end of the cylinder body, and the convex key of the force transmission seat is embedded into the annular groove to be clamped. Each connecting lug is simultaneously embedded into a group of first mounting grooves and second mounting grooves and is fixed by a fastener. The invention sets the barrel body part and the cap edge part of the traditional integral torsion barrel into a split structure, and is convenient to disassemble, thereby solving the problem of low overhauling and replacing efficiency of the brake disc in the prior art.
Description
Technical Field
The invention belongs to the technical field of aircraft brake, and particularly relates to a split type torsion cylinder assembly.
Background
The torsion cylinder is used as one of main parts of the aircraft brake device, and plays a role in supporting the brake disc and bearing circumferential torque generated by friction of the brake disc and axial thrust of the piston. The use environment of the torsion cylinder is shown in fig. 2, according to the illustrated orientation, the horn opening of the torsion cylinder is rightward, the brake disc is arranged on the periphery of the cylinder body of the torsion cylinder, the left end of the torsion cylinder is connected with the piston seat through bolts, and the torsion cylinder, the brake disc and the piston seat form the main structure of the brake device. The brake disc transmits braking moment to realize the braking function of the aircraft, is a consumable part of a braking device, and needs to be replaced frequently according to the service condition of the brake disc, such as the service life of the brake disc due to abrasion, damage in the braking process, and the like. As shown in fig. 2, the conventional torsion tube has a unitary cap structure, and the cap rim of the open end of the horn needs to bear the axial thrust exerted by the piston, which also makes it impossible to directly discharge the brake disc from the open end. When the brake disc needs to be replaced, the machine wheel positioned outside the brake device is detached firstly, then the whole brake device is detached from the landing gear shaft, the fastening bolts for connecting the piston seat and the torsion cylinder are detached, then the brake disc can be taken down for replacement, the whole process is time-consuming and labor-consuming, and the maintenance cost is high.
In the prior art, a torsion cylinder is provided to be quickly disassembled, the torsion cylinder is axially divided into an upper half shell and a lower half shell, the upper half shell and the lower half shell are connected together by bolts, so that components in the torsion cylinder can be repaired or replaced conveniently, but a brake disc can not be replaced under the condition of not disassembling a brake device.
Therefore, the torsion cylinder structure needs to be improved, so that the replacement and maintenance efficiency of the outfield brake disc is improved, and the maintenance cost is reduced.
Disclosure of Invention
The technical problems to be solved are as follows:
In order to avoid the defects of the prior art, the invention provides a split type torsion cylinder assembly, improves the traditional integral cap type torsion cylinder structure and sets the cylinder body part and the cap edge part of the traditional integral type torsion cylinder into a split structure. The force transmission seat is clamped to the annular groove at the end part of the cylinder body and is fixed through the connecting lug and the screw, so that the torsion cylinder component is formed, and the existing torsion cylinder with the integral structure is replaced. When the brake disc needs to be replaced, the operation can be performed only by detaching the force transmission seat of the torsion cylinder assembly, and the whole brake device does not need to be detached from the landing gear shaft, so that the problem of low maintenance and replacement efficiency of the brake disc in the prior art is solved.
The technical scheme of the invention is as follows: the split type torsion cylinder assembly comprises a cylinder body, a force transmission seat and connecting lugs, wherein the cylinder body is of a barrel-shaped structure, and a plurality of strip-shaped convex keys are uniformly distributed on the outer wall of the cylinder body along the axial direction and are used for transmitting torque in cooperation with a brake disc; the inner edge of one end of the cylinder is provided with a flower disc-shaped connecting flange which is used for being connected with the piston seat in a matching way, and the other end of the cylinder is an opening end; an annular groove is arranged on the outer wall of the cylinder body close to the opening end, and the annular groove is coaxial with the cylinder body; a plurality of rectangular grooves are uniformly distributed on the side wall of the annular groove close to the opening end, and the rectangular grooves are communicated with the annular groove; a plurality of first mounting grooves are uniformly distributed on the end face of the opening end along the radial direction of the cylinder body and are used for fixing the connecting lugs;
The force transmission seat is annular, rectangular convex keys with the number and the shape matched with those of the rectangular grooves on the cylinder body are uniformly distributed in the circumferential direction of one end of the inner diameter of the force transmission seat, and second mounting grooves which are in one-to-one correspondence with the first mounting grooves on the cylinder body are arranged on the end surface of one end, away from the rectangular convex keys, of the force transmission seat; the force transmission seat is coaxially sleeved at the opening end of the cylinder body, and the convex key of the force transmission seat is embedded into the annular groove for clamping; the connecting lugs are simultaneously embedded into a corresponding group of first mounting grooves and second mounting grooves and are detachably and fixedly connected through fasteners.
The invention further adopts the technical scheme that: the inner diameter of the force transmission seat is the same as the outer diameter of the opening end of the cylinder body.
The invention further adopts the technical scheme that: the depth of the rectangular groove on the cylinder body is smaller than or equal to the depth of the annular groove.
The invention further adopts the technical scheme that: the screw passes through the through hole of the connecting lug and is connected with the threaded hole of the first mounting groove.
The invention further adopts the technical scheme that: the outer end face of the force transmission seat is flush with the end face of the opening end of the cylinder body, and the groove width of the first mounting groove is the same as the groove depth of the second mounting groove.
The invention further adopts the technical scheme that: the disc-shaped flange is uniformly provided with a plurality of axially arranged bolt holes and is fixedly connected with the piston seat through fastening bolts.
Advantageous effects
The invention has the beneficial effects that: the split type torsion cylinder assembly changes the traditional integral cap type torsion cylinder structure, the cylinder body part and the cap edge part of the torsion cylinder body are arranged into split structures, the outer diameter of the cylinder body at the opening end is provided with an annular groove, a force transmission seat is sleeved at the opening end of the cylinder body to form the cap edge of the traditional structure, the force transmission seat is clamped with the annular groove of the cylinder body, and connecting lugs are fixed on the outer end surfaces of the force transmission seat and the cylinder body to prevent the force transmission seat and the cylinder body from rotating relative to each other in the circumferential direction, so that the split type torsion cylinder assembly is formed.
The force transmission seat is convenient to detach, so that when the brake disc is required to be overhauled and replaced, the whole brake device is not required to be detached from the landing gear shaft, and the operation can be performed only by detaching the force transmission seat, thereby solving the problem of low overhauling and replacing efficiency of the brake disc in the prior art, realizing rapid and convenient replacement of the brake disc and saving maintenance cost.
The structure of the invention can further improve the reliability of the brake device and reduce the maintenance cost while ensuring stable transmission of the brake moment. In the traditional structure, the horn opening cap edge of the torsion cylinder is easily damaged due to the joint influence of the axial thrust of the piston and the circumferential braking moment. In the structure of the invention, if the force transmission seat is damaged, only the force transmission seat is replaced, thereby reducing the maintenance cost and improving the reliability of the brake device.
Drawings
FIG. 1 is a schematic view of a torsion tube assembly of the present invention;
FIG. 2 is a schematic view of the prior art torsion cylinder structure and the environment in which the torsion cylinder is used;
FIG. 3 is a schematic view of the barrel structure of the torsion barrel assembly of the present invention;
FIG. 4 is a schematic diagram of a force transmission seat of the torsion tube assembly of the present invention;
FIG. 5 is a block diagram of a connecting lug according to the present invention;
fig. 6 is a schematic perspective view of the cylinder and the force transmission seat of the present invention.
Reference numerals illustrate: 1. the device comprises a barrel body, 11, a strip-shaped convex key, 12, a connecting flange, 121, a bolt hole, 13, an annular groove, 14, a rectangular groove, 15, a first mounting groove, 16, a threaded hole, 2, a force transmission seat, 21, a rectangular convex key, 22, a second mounting groove, 3, a connecting lug, 4, a screw, 5, a torsion tube of an integral structure, 6, a brake disc, 7, a piston, 8, a piston seat, 9, a machine wheel and 10, and a fastening bolt.
Detailed Description
The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 and 2, the embodiment provides a split torsion cylinder assembly, which comprises a cylinder body 1, a force transmission seat 2, a connecting lug 3 and a screw 4, wherein the cylinder body 1 is of a barrel-shaped hollow structure, and a plurality of strip-shaped convex keys 11 are uniformly distributed on the outer wall of the cylinder body 1 along the axial direction and are used for being matched with a brake disc 6 and transmitting torque; the inner edge of one end of the cylinder body 1 is provided with a flower disc-shaped connecting flange 12, a plurality of axially arranged bolt holes 121 are uniformly distributed on the periphery of the flower disc-shaped connecting flange 12, the bolt holes 121 are all positioned on the same circumference, the circumference is concentric with the axis of the cylinder body 1, and the connecting flange 12 and the bolt holes 121 uniformly distributed on the connecting flange are matched with the piston seat 8 and are fixedly connected with the piston seat 8 through fastening bolts 10. The structures of the strip-shaped convex key 11 and the flower disc-shaped connecting flange 12 are prior art, and are not described in detail.
Referring to fig. 1-6, the open end of the cylinder 1, i.e. the end remote from the connecting flange 12, is provided with an annular groove 13 on the outer wall of the cylinder 1 near the open end, which annular groove 13 is coaxial with the cylinder 1. On the lateral wall of the annular groove 13 near the open end face side, 12 rectangular grooves 14 are uniformly distributed along the circumferential direction, the rectangular grooves 14 are communicated with the annular groove 13, and the depth of the rectangular grooves 14 is smaller than or equal to the depth of the annular groove 13. The end face of the opening end of the cylinder body 1 is uniformly distributed with 3 first mounting grooves 15 which are radially arranged along the cylinder body 1 and are used for mounting and fixing the connecting lugs 3. Specifically, the center of the first mounting groove 15 is provided with a threaded hole 16, the connecting lug 3 is provided with a through hole 31, the screw 4 passes through the through hole 31 of the connecting lug 3 to be connected with the threaded hole 16 of the first mounting groove 15, and at this time, one end of the connecting lug 3 is placed in the first mounting groove 15.
Referring to fig. 1-6, the force transmission seat 2 is in a cylindrical annular structure, 12 rectangular convex keys 21 with shapes matched with the rectangular grooves 14 on the barrel 1 are uniformly distributed in the circumferential direction of one end of the inner diameter of the force transmission seat 2, referring to fig. 4, the rectangular convex keys 21 are flush with the end surface of one end of the force transmission seat 2, and 3 second mounting grooves 22 in one-to-one correspondence with the first mounting grooves 15 on the barrel 1 are arranged on the end surface of one end of the force transmission seat 2, far away from the rectangular convex keys 21, and are used for accommodating the other end of the connecting lug 3. In order to secure the mounting stability and positioning effect of the connecting lugs 3, the first mounting groove 15 is identical in groove width and the second mounting groove 22 is identical in groove depth.
Referring to fig. 1 and 6, during assembly, one end of the force transmission seat 2 provided with the rectangular convex key 21 is close to the opening end of the cylinder 1, so that the rectangular convex key 21 is aligned with the rectangular groove 14 of the cylinder 1, the rectangular convex key 21 of the force transmission seat 2 is pushed into the annular groove 13, the inner end surface of the force transmission seat 2 is connected with the groove wall of the annular groove 13, and at the moment, the outer end surface of the force transmission seat 2 is level with the opening end surface of the cylinder 1. The force transmission seat 2 is rotated, the rectangular convex keys 21 are rotated into the annular grooves 13 between the two adjacent rectangular grooves 14, the corresponding 3 groups of first mounting grooves 15 and second mounting grooves 22 are aligned in the adjusting positions, one connecting lug 3 is embedded and mounted in each group of corresponding first mounting grooves 15 and second mounting grooves 22, the connecting lug 3 is fixed in the reorganizing mounting grooves by penetrating through the through holes 31 on the connecting lug 3 through the bolts 4, and therefore the force transmission seat 2 and the cylinder 1 are prevented from rotating circumferentially.
Referring to fig. 1 and 2, in this embodiment, when the brake disc 6 needs to be overhauled and replaced, the screw 4 is loosened, the connecting lug 3 is detached, the force transmission seat 2 is rotated by a certain angle to align the rectangular convex key 21 with the rectangular groove 14, and the force transmission seat 2 is pulled out, so that the brake disc 6 can be detached and replaced. Therefore, the structure of the invention does not need to detach the whole brake device from the landing gear shaft, and can be operated by only detaching the force transmission seat 2, thereby solving the problem of low overhauling and replacing efficiency of the brake disc in the prior art, realizing the rapid and convenient replacement of the brake disc and saving the maintenance cost.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention.
Claims (6)
1. A split torsion tube assembly, characterized in that: the brake disc comprises a cylinder body (1), a force transmission seat (2) and connecting lugs (3), wherein the cylinder body (1) is of a barrel-shaped structure, and a plurality of strip-shaped convex keys (11) are uniformly distributed on the outer wall of the cylinder body (1) along the axial direction and are used for being matched with a brake disc (6) and transmitting torque; the inner edge of one end of the cylinder body (1) is provided with a flower disc-shaped connecting flange (12) which is used for being matched and connected with the piston seat (8), and the other end of the cylinder body (1) is an open end; an annular groove (13) is coaxially arranged on the outer wall of the cylinder body (1) close to the opening end; a plurality of rectangular grooves (14) are uniformly distributed on the side wall, close to the opening end, of the annular groove (13), and the rectangular grooves (14) are communicated with the annular groove (13); a plurality of first mounting grooves (15) are uniformly distributed on the end face of the opening end along the radial direction of the cylinder body (1) and are used for fixedly connecting the lugs (3);
The force transmission seat (2) is annular, rectangular convex keys (21) with the number and the shape matched with those of the rectangular grooves (14) on the cylinder body (1) are uniformly distributed at the circumferential direction of one end of the inner diameter of the force transmission seat (2), and second mounting grooves (22) which are in one-to-one correspondence with the first mounting grooves (15) on the cylinder body (1) are arranged on the end surface of the force transmission seat (2) far away from the rectangular convex keys (21); the force transmission seat (2) is coaxially sleeved at the opening end of the cylinder body (1), and the rectangular convex key (21) of the force transmission seat is embedded into the annular groove (13) for clamping; the connecting lugs (3) are simultaneously embedded into a corresponding group of first mounting grooves (15) and second mounting grooves (22) and are detachably fixed in the group of mounting grooves through fasteners.
2. The split torsion tube assembly of claim 1, wherein: the inner diameter of the force transmission seat (2) is the same as the outer diameter of the opening end of the cylinder body (1).
3. The split torsion tube assembly of claim 1, wherein: the depth of the rectangular groove (14) on the cylinder body (1) is smaller than or equal to the depth of the annular groove (13).
4. The split torsion tube assembly of claim 1, wherein: the center position of the first mounting groove (15) is provided with a threaded hole (16), the connecting lug (3) is provided with a through hole (31), and the screw (4) penetrates through the through hole (31) of the connecting lug (3) to be connected with the threaded hole (16) of the first mounting groove (15).
5. The split torsion tube assembly of claim 1, wherein: the outer end face of the force transmission seat (2) is flush with the end face of the opening end of the cylinder body (1), and the first mounting groove (15) and the second mounting groove (22) are identical in groove width and groove depth.
6. The split torsion tube assembly of claim 1, wherein: the disc-shaped connecting flange (12) is circumferentially and uniformly provided with a plurality of axially arranged bolt holes (121) and is fixedly connected with the piston seat (8) through fastening bolts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322984973.0U CN221097267U (en) | 2023-11-06 | 2023-11-06 | Split type torsion barrel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322984973.0U CN221097267U (en) | 2023-11-06 | 2023-11-06 | Split type torsion barrel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097267U true CN221097267U (en) | 2024-06-07 |
Family
ID=91301764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322984973.0U Active CN221097267U (en) | 2023-11-06 | 2023-11-06 | Split type torsion barrel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097267U (en) |
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2023
- 2023-11-06 CN CN202322984973.0U patent/CN221097267U/en active Active
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