CN211565753U - Dismounting device for toothed nut of engine - Google Patents
Dismounting device for toothed nut of engine Download PDFInfo
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- CN211565753U CN211565753U CN201922474466.6U CN201922474466U CN211565753U CN 211565753 U CN211565753 U CN 211565753U CN 201922474466 U CN201922474466 U CN 201922474466U CN 211565753 U CN211565753 U CN 211565753U
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- wrench
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- locking
- shaft
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Abstract
The utility model discloses a dismounting device for a toothed nut of an engine, which comprises a stop wrench, wherein the top of a stopping end of the stop wrench is provided with a power multiplying wrench, and a rotating end of the power multiplying wrench downwards penetrates through the stop wrench and is connected with a shaft stopping component; the bottom of the locking end of the locking wrench is also coaxially and fixedly provided with a nut disassembling sleeve with the shaft locking component; the utility model discloses have effectively use manpower sparingly, take the tooth nut to dismantle more convenient, dismantle the beneficial effect that efficiency is higher, the application of force is more even.
Description
Technical Field
The utility model belongs to the technical field of nut dismounting device, concretely relates to tooth nut dismounting device is taken to engine.
Background
On aircraft engines, the locking nut is generally a toothed nut, which needs to be stopped when being removed from the component shaft. However, the locking torque of the toothed nut is usually large, the component shaft needs to be stopped when the toothed nut is disassembled, and at least two persons are needed to work in a matched mode under the common condition that the wrench is driven by the force applying rod to rotate the toothed nut. This makes the toothed nut not only troublesome and inconvenient but also time-consuming and labor-consuming to disassemble, and the parts are easily damaged due to uneven application of force. Consequently, the operation that exists when dismantling to traditional toothed nut is inconvenient, consume the more, the inhomogeneous problem of application of force of manpower, the utility model discloses a toothed nut dismounting device is taken to engine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine takes tooth nut dismounting device carries out the locking through axle locking subassembly to the part axle, treats tooth nut through nut decomposition sleeve and carries out the locking to drive axle locking subassembly through the wrench force multiplication and rotate, and then drive the part axle and take tooth nut to rotate relatively, labour saving and time saving ground will take tooth nut to follow the epaxial dismantlement of part.
The utility model discloses a following technical scheme realizes:
a toothed nut dismounting device for an engine comprises a stop wrench, wherein a force multiplication wrench is mounted at the top of a stop end of the stop wrench, and a rotating end of the force multiplication wrench penetrates through the stop wrench downwards and is connected with a shaft stop component; and the bottom of the stopping end of the stopping wrench is also coaxially and fixedly provided with a nut disassembling sleeve with the shaft stopping component.
The working principle is as follows:
the screw thread of the toothed nut is sleeved at one end of the part shaft, self-locking teeth are uniformly arranged on the outer side face of the toothed nut, and a spline inner hole is formed in one end, provided with the toothed nut, of the part shaft. When the toothed nut needs to be disassembled from the part shaft, the inner hole at the bottom of the nut disassembling sleeve is firstly sleeved on the outer side of the toothed nut, and the self-locking teeth at the outer side of the toothed nut are tightly clamped or clamped by the hole wall of the inner hole at the bottom of the nut disassembling sleeve, so that the toothed nut is locked in a locking mode. Then the stop end of the shaft stop assembly is inserted into the inner part of the spline inner hole of the part shaft, and the stop end of the shaft stop assembly is matched with the spline inner hole of the part shaft through a spline or a flat key to realize the stop locking of the part shaft. Then the other end of the stop wrench, which is far away from the stop end, is fixed, the stop wrench is fixed at the moment, and then the nut decomposition sleeve at the bottom of the stop wrench is fixed, and the toothed nut and the part shaft are relatively fixed at the moment due to the fact that the nut decomposition sleeve carries out stop locking on the toothed nut. Then the staff rotates the multiple force spanner, and the rotation end drive axle locking subassembly of multiple force spanner rotates, and then drives part axle and take place relative rotation with toothed nut to rotatory the dismantlement of the end of following the part axle with toothed nut.
Meanwhile, only one worker needs to respectively stop and lock the part shaft and the toothed nut through the shaft stop component and the nut decomposition sleeve, and then the double-force wrench is rotated to drive the part shaft and the toothed nut to relatively rotate so as to realize convenient disassembly of the toothed nut, so that manpower is effectively saved, and the operation is more convenient. Simultaneously can effectively enlarge the staff through the multiple wrench and exert force for it is more laborsaving when the staff dismantles the tooth nut, and axle locking subassembly and the coaxial setting of nut decomposition sleeve, drive the part axle through axle locking subassembly and take the coaxial relative rotation of tooth nut, makes the staff exert force more even, effectively avoids part axle or takes the tooth nut to damage.
In order to better realize the utility model discloses, furtherly, one side that stop end was kept away from to stop spanner is provided with the kidney slot along stop spanner's length direction, slidable mounting has the locking lever in the kidney slot, lock nut is equipped with to the spiral shell between the top of locking lever and the top in kidney slot.
The top of the stop rod upwards passes through the kidney-shaped groove, the bottom of the stop rod downwards extends, the stop rod can slide along the kidney-shaped groove to adjust the distance between the stop rod and the stop end of the double-force wrench, after the position of the stop rod is adjusted, the lock nut is sleeved between the top of the stop rod and the top of the kidney-shaped groove to lock the stop rod, the position of the stop rod is fixed at the moment, and then the bottom of the stop rod is fixed in a connecting pin inserting mode, a threaded connection mode, a clamping mode and the like.
In order to better realize the utility model discloses, furtherly, axle locking subassembly is the integral key shaft, the top of integral key shaft is provided with the hole of being connected with the rotation end of multiple power spanner.
The inner hole of one end of the part shaft sleeve, which is provided with the toothed nut, is a spline inner hole, the spline on the outer side of the spline shaft is arranged corresponding to the spline inner hole, and the spline shaft is connected with the spline inner hole in a matched mode to stop the part shaft. Meanwhile, an inner hole is formed in the top of the spline shaft corresponding to the rotating end of the power wrench, and the rotating end of the power wrench is clamped with the inner hole in the top of the spline shaft.
In order to better realize the utility model, furthermore, the top of the nut decomposing sleeve is provided with a connecting flange which is fixedly connected with the bottom of the locking end of the locking wrench; and a plurality of stopping teeth are uniformly arranged on the hole wall of the inner hole at the bottom of the nut disassembling sleeve along the circumferential direction.
In order to better realize the utility model discloses, furtherly, the top of the locking end of lock spanner evenly is provided with a plurality of reducing strip hole along circumference, the bottom correspondence of power wrench is provided with the connecting pin that inserts reducing strip downthehole portion.
In order to better realize the utility model discloses, furtherly, the quantity in reducing strip hole is 6, the quantity of connecting pin is 6.
In order to better realize the utility model discloses, furtherly, the top of times power spanner is connected with general spanner's one end through connecting square hole.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model arranges the double-force wrench at the top of the stop wrench, arranges the shaft stop component connected with the rotation end of the double-force wrench at the bottom of the stop wrench, and performs stop locking to the part shaft through the shaft stop component; meanwhile, a nut decomposing sleeve is coaxially sleeved at the bottom of the stop wrench at the outer side of the shaft stop component, and the locking of the stop of the toothed nut is realized through the engagement between the stop teeth in the inner hole at the bottom of the nut decomposing sleeve and the self-locking teeth at the outer side of the toothed nut; then, the shaft locking component is driven to rotate by the double-force wrench, so that the part shaft and the toothed nut are driven to rotate relatively, and the toothed nut is convenient to disassemble;
(2) the utility model has the advantages that the force-multiplying spanner is arranged, so that the force applied by the operator is effectively reduced, and the operator can rotate the part shaft more easily;
(3) the utility model discloses carry out locking to part axle and toothed nut through axle locking subassembly and nut decomposition sleeve respectively, can accomplish the locking to part axle and toothed nut through a staff, the staff can also rotate the part axle through the wrench of multiplying power simultaneously, replaced in the past need many people to operate jointly and could accomplish take the tooth nut to dismantle, effectively saved the manpower, improved the dismantlement efficiency, make the dismantlement work more convenient simultaneously;
(4) the utility model discloses a decompose the coaxial setting of sleeve and axle locking subassembly with the nut, take place coaxial relative rotation through axle locking subassembly drive part axle and take the tooth nut for the force that the staff exerted is more even, effectively avoids part axle or takes the deformation damage of tooth nut.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the installation of the present invention;
FIG. 3 is a schematic view of a stop wrench.
Wherein: 1-time force spanner; 2-a stop wrench; 3-locking the nut; 4-reducing bar holes; 5-a stop lever; 6-an axle stop assembly; 7-nut disassembling sleeve; 8-a toothed nut; 9-part axis; 01-kidney slot.
Detailed Description
Example 1:
the toothed nut dismounting device for the engine of the embodiment comprises a stop wrench 2, as shown in fig. 1 and fig. 2, wherein a double spanner 1 is installed at the top of a stopping end of the stop wrench 2, and a rotating end of the double spanner 1 downwardly penetrates through the stop wrench 2 and is connected with a shaft stopping assembly 6; the bottom of the stop end of the stop wrench 2 is also fixedly provided with a nut disassembling sleeve 7 coaxially with the shaft stop assembly 6.
The rotation end of the double-force wrench 1 is a rotation square head which downwards penetrates through the locking end of the locking wrench 1, and the top of the shaft locking component 6 is provided with a clamping square hole corresponding to the rotation square head of the double-force wrench 1. When the toothed nut 8 is disassembled, firstly, the locking end of the shaft locking component 6 is connected with one end of a part shaft 9 which is sleeved with the toothed nut 8 in a clamping and connecting pin connection mode, then the nut decomposing sleeve 7 is sleeved on the outer side of the toothed nut 8, the hole wall of the inner hole at the bottom of the nut decomposing sleeve 7 is clamped with the outer side of the toothed nut 8, then the top of the nut decomposing sleeve 7 is fixedly connected with the bottom of the locking wrench 2 through an inner hexagon screw, then the double-force wrench 1 is installed on the top of the locking wrench 2, the rotating square head of the double-force wrench 1 is inserted into the clamping square hole at the top of the shaft locking component 6 to be clamped, then the other end, far away from the locking end, of the locking wrench 2 is connected with an external fixing component, and the locking wrench 2 is fixed. Then the double-force wrench 1 is rotated to drive the shaft locking component 6 to rotate, and further the part shaft 9 is driven to rotate, because the toothed nut 8 is locked by the nut decomposition sleeve 7 in a locking mode, and meanwhile the nut decomposition sleeve 7 is fixedly connected with the locking wrench 2, the part shaft 9 and the toothed nut 8 rotate relatively under the driving of the shaft locking component 6, and the toothed nut 8 is rotationally disassembled from the part shaft 9.
Example 2:
the embodiment is further optimized on the basis of the embodiment 1, as shown in fig. 1-3, a waist-shaped groove 01 is formed in the length direction of the locking wrench 2 on the side, away from the locking end, of the locking wrench 2, a locking rod 5 is slidably installed in the waist-shaped groove 01, and a locking nut 3 is screwed between the top of the locking rod 5 and the top of the waist-shaped groove 01.
A limiting flange is arranged between the outer side of the stopping rod 5 and the bottom end face of the kidney-shaped groove 01, the top of the limiting flange is in contact with the bottom end face of the kidney-shaped groove 01 to axially limit the stopping rod 5, the top of the stopping rod 5 upwards penetrates through the kidney-shaped groove 01 and is provided with external threads, and the diameter of the stopping rod 5 is smaller than or equal to the width of the kidney-shaped groove 01. By sliding the stop rod 5 in the kidney slot 01, the distance between the stop rod 5 and the stop end of the stop wrench 2 is adjusted to accommodate the installation of stop rods 5 in different sized areas. After the position of the stop rod 5 is adjusted, the locking nut 3 is sleeved on the top of the stop rod 5, the bottom end face of the locking nut 3 is in tight contact with the top of the kidney-shaped groove 01, and the position of the stop rod 5 is fixed. The bottom of the stop rod 5 is provided with any one of a connecting hole, an external thread and a clamping joint which are connected with an external fixing piece, and the stop rod 5 is fixed to further fix the stop wrench 2.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
this embodiment is further optimized on the basis of the above embodiment 1 or 2, in which the shaft stopper member 6 is a spline shaft, and the top of the spline shaft is provided with an inner hole connected with the rotating end of the double spanner 1.
The inner hole of one end of the part shaft 9, which is sleeved with the toothed nut 8, is a spline inner hole, and the shaft stopping component 6 is a spline shaft arranged corresponding to the spline inner hole. The spline inner hole is a 12-tooth spline inner hole, and the shaft stop assembly 6 is a corresponding twelve-tooth spline shaft. Through the cooperation joint of integral key shaft and spline hole, realize the locking of axle locking subassembly 6 to part axle 9, drive part axle 9 and rotate when axle locking subassembly 6 rotates simultaneously.
The rotation end of the double-force wrench 1 is a rotation square head, then the inner hole at the top of the spline shaft is a clamping square hole corresponding to the rotation square head, and the rotation end of the double-force wrench 1 is rapidly clamped with the top of the spline shaft by inserting the rotation square head into the clamping square hole.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
this embodiment is further optimized on the basis of any of the above embodiments 1 to 3, wherein a connecting flange is arranged at the top of the nut disassembling sleeve 7, and the connecting flange is fixedly connected with the bottom of the locking end of the locking wrench 2; and a plurality of stopping teeth are uniformly arranged on the inner side of the through hole at the bottom of the nut decomposing sleeve 7 along the circumferential direction.
Evenly be provided with 6 connecting holes along circumference on flange, the connecting hole that corresponds flange on the bottom of the locking end of lock spanner 2 is provided with the screw hole, realizes flange and lock spanner 2's fixed connection of locking end bottom through the connecting hole on flange and the screw hole of lock spanner 2's locking end bottom cartridge hexagon socket head cap screw, realizes the fixed connection of nut decomposition sleeve 7 in lock spanner 2's locking end bottom promptly.
12 self-locking teeth are uniformly arranged on the outer side of the toothed nut 8 along the circumferential direction, 12 stopping teeth are uniformly arranged on the inner side of the through hole at the bottom of the nut decomposing sleeve 7 along the circumferential direction corresponding to the 12 self-locking teeth on the outer side of the toothed nut 8, and the stopping teeth and the self-locking teeth are meshed with each other to realize the stopping locking of the nut decomposing sleeve 7 to the toothed nut 8.
The other parts of this embodiment are the same as those of embodiments 1 to 3, and thus are not described again.
Example 5:
in this embodiment, a further optimization is performed on the basis of any one of the embodiments 1 to 4, as shown in fig. 3, the top of the stopping end of the stop wrench 2 is uniformly provided with a plurality of diameter-variable bar holes 4 along the circumferential direction, and the bottom of the double-force wrench 1 is correspondingly provided with a connecting pin inserted into the diameter-variable bar holes 4; the number of the reducing strip holes 4 is 6, and the number of the connecting pins is 6.
Reducing strip hole 4 includes major diameter hole and path hole, the path hole sets up in the one side of clockwise circumference rotation in major diameter hole edge, the diameter of connecting pin equals the diameter in path hole and is less than the diameter in major diameter hole, during installation multiple spanner 1, at first correspond the connecting pin on multiple spanner 1 and insert the downthehole portion of major diameter, then clockwise rotation multiple spanner 1, make the connecting pin follow major diameter hole clockwise rotate to the downthehole realization joint of path, and then realize the installation at the end top of stopping of multiple spanner 2. Meanwhile, a through hole for the rotating end of the power wrench 1 to pass through is arranged on the stopping end of the stopping wrench 2.
The other parts of this embodiment are the same as those of embodiments 1 to 4, and therefore, the description thereof is omitted.
Example 6:
this embodiment is further optimized on the basis of any one of the above embodiments 1 to 5, wherein the top of the double wrench 1 is connected to one end of the allen wrench through a square connecting hole.
For the convenience of staff laborsaving turning force spanner 1, consequently be provided with the connection square hole at the top of power spanner 1, be provided with joint square head in the connection square hole that corresponds of the one end of general spanner, through the inside with joint square head insert the connection square hole, can realize the quick joint between general spanner and the multiple wrench 1, lengthened multiple wrench 1's the application of force arm through general spanner for the staff rotates multiple wrench 1 more laborsavingly.
Other parts of this embodiment are the same as any of embodiments 1 to 5, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (7)
1. A dismounting device for a toothed nut of an engine comprises a stop wrench (2), and is characterized in that a double-force wrench (1) is mounted at the top of a stop end of the stop wrench (2), and a rotating end of the double-force wrench (1) penetrates through the stop wrench (2) downwards and is connected with a shaft stop assembly (6); the bottom of the locking end of the locking wrench (2) is also coaxially and fixedly provided with a nut disassembling sleeve (7) with the shaft locking component (6).
2. The dismounting device for the toothed nut of the engine according to claim 1, characterized in that a kidney-shaped groove is formed in one side of the stop wrench (2) far away from the stop end along the length direction of the stop wrench (2), a stop rod (5) is slidably mounted in the kidney-shaped groove, and a locking nut (3) is screwed between the top of the stop rod (5) and the top of the kidney-shaped groove.
3. An engine toothed nut dismounting device according to claim 1 or 2, characterized in that the shaft stop assembly (6) is a splined shaft, the top of which is provided with an inner hole for connection with the rotating end of the multiplier wrench (1).
4. An engine toothed nut dismounting device according to claim 1 or 2, characterized in that the top of the nut splitting sleeve (7) is provided with a connecting flange which is fixedly connected with the bottom of the stop end of the stop wrench (2); and a plurality of stopping teeth are uniformly arranged on the hole wall of the inner hole at the bottom of the nut decomposing sleeve (7) along the circumferential direction.
5. The dismounting device for the engine toothed nut as claimed in claim 1 or 2, characterized in that the top of the locking end of the locking wrench (2) is uniformly provided with a plurality of reducing bar holes (4) along the circumferential direction, and the bottom of the double-force wrench (1) is correspondingly provided with connecting pins inserted into the reducing bar holes (4).
6. A dismounting device for an engine toothed nut according to claim 5, characterized in that the number of said reducer bores (4) is 6, and the number of said connecting pins is 6.
7. The dismounting device for the engine toothed nut according to claim 1 or 2, characterized in that the top of the double spanner (1) is connected with one end of the universal spanner through a connecting square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474466.6U CN211565753U (en) | 2019-12-31 | 2019-12-31 | Dismounting device for toothed nut of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474466.6U CN211565753U (en) | 2019-12-31 | 2019-12-31 | Dismounting device for toothed nut of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211565753U true CN211565753U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922474466.6U Active CN211565753U (en) | 2019-12-31 | 2019-12-31 | Dismounting device for toothed nut of engine |
Country Status (1)
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|---|---|
| CN (1) | CN211565753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370153A (en) * | 2021-06-30 | 2021-09-10 | 中国航发贵州黎阳航空动力有限公司 | Torque amplification type nut dismounting device |
| CN113386087A (en) * | 2021-07-06 | 2021-09-14 | 中科航星科技有限公司 | Nut dismouting frock before space engine fan |
-
2019
- 2019-12-31 CN CN201922474466.6U patent/CN211565753U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370153A (en) * | 2021-06-30 | 2021-09-10 | 中国航发贵州黎阳航空动力有限公司 | Torque amplification type nut dismounting device |
| CN113370153B (en) * | 2021-06-30 | 2022-09-30 | 中国航发贵州黎阳航空动力有限公司 | Torque amplification type nut dismounting device |
| CN113386087A (en) * | 2021-07-06 | 2021-09-14 | 中科航星科技有限公司 | Nut dismouting frock before space engine fan |
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