CN204209607U - A kind of locking device of locking nut of planet gear speed reducer - Google Patents
A kind of locking device of locking nut of planet gear speed reducer Download PDFInfo
- Publication number
- CN204209607U CN204209607U CN201420578947.6U CN201420578947U CN204209607U CN 204209607 U CN204209607 U CN 204209607U CN 201420578947 U CN201420578947 U CN 201420578947U CN 204209607 U CN204209607 U CN 204209607U
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- locking device
- planetary gear
- nut
- locking nut
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 29
- 238000011002 quantification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000010009 beating Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a kind of locking device of locking nut of planet gear speed reducer, the locking device of this locking nut of planet gear speed reducer comprises: spanner, inner layer sleeve and outer layer sleeve are turned round in electronic increasing, wherein, electronic increasing is turned round spanner and is comprised the connector and middle interconnecting piece that relatively rotate connection; Inner layer sleeve comprises the first cylindrical shell of band first connecting portion, and connector is fixedly connected with the central axle portion of the first cylindrical shell; Outer layer sleeve comprises the second cylindrical shell of band second connecting portion, middle interconnecting piece is fixedly connected with the central axle portion of outer layer barrel, described first cylindrical shell is arranged on inside described second cylindrical shell, be fixedly connected with on the holder of planetary reducer by the first connecting portion, second connecting portion is fixedly connected with locking nut, then turn round by electronic increasing the moment of torsion that spanner applies predetermined torque value, be both convenient to lock this locking nut, the locking of locking nut also can be made to set up the standard of quantification.
Description
Technical Field
The utility model relates to an engineering machine tool technical field, in particular to locking device of planetary gear speed reducer lock nut.
Background
The locking nut is an important part of the planetary speed reducer, the fixing seat and the gear ring can be locked, the axial clearance of the rolling bearing is ensured, and the assembly of the locking nut also indirectly influences the service life and the performance of the speed reducer because the axial clearance adjustment of the rolling bearing is an important factor influencing the performance of the speed reducer. The assembly process is often locked by manually knocking and smashing through the simple tool.
If this lock nut is locked through the mode of beating the frock, the uncertainty of beating the strength can not guarantee whether lock nut locks, and the judgement standard of locking passes through artifical experience judgement in addition, can not quantify. And the moment generated in the locking process is large, and time and labor are consumed in the knocking process by manpower.
The technical problem that technical personnel in the field need to solve urgently is solved aiming at the problems that the locking nut of the existing planetary gear speed reducer wastes time and labor in the locking process and is inconvenient to install.
SUMMERY OF THE UTILITY MODEL
In order to overcome current planetary gear speed reducer lock nut and waste time and energy at the locking in-process, install inconvenient problem, the utility model provides a planetary gear speed reducer lock nut's locking device.
On the one hand, the utility model provides a locking device of planetary gear speed reducer lock nut, include:
the electric torque increasing wrench comprises a connector and an intermediate connecting part, wherein the connector is in relative rotation connection with the intermediate connecting part;
the inner sleeve comprises a first barrel with a first connecting part, and the connecting head is fixedly connected with the central shaft part of the first barrel;
the outer sleeve comprises a second barrel body with a second connecting portion, the first barrel body is arranged on the inner side of the second barrel body, and the middle connecting portion is fixedly connected with the central shaft portion of the second barrel body.
Furthermore, the connecting head is a connecting square head;
the central shaft part of the first cylinder is provided with a connecting square groove corresponding to the connecting square head.
Further, the intermediate connecting part is an intermediate external spline;
and the central shaft part of the second cylinder is provided with a spline groove corresponding to the middle external spline.
Further, the first connecting portion is an internal spline provided in the first cylinder.
Further, the second connecting part comprises a connecting flange arranged outside the second cylinder body; wherein,
the connecting flange is provided with a slotted hole; and a pin for connecting a locking nut is arranged in the slot hole.
Further, the electric torque increasing wrench is also provided with a torque adjusting unit for adjusting the output torque value of the electric torque increasing wrench.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a locking device of planetary gear speed reducer lock nut, include: the electric torque increasing wrench comprises an electric torque increasing wrench, an inner-layer sleeve and an outer-layer sleeve, wherein the electric torque increasing wrench comprises a connector and a middle connecting part which are connected in a relative rotation mode; the inner sleeve comprises a first cylinder with a first connecting part, and the connecting head is fixedly connected with the central shaft part of the first cylinder; outer sleeve is including the second barrel of taking the second connecting portion, and the central axial region fixed connection of middle connecting portion and second barrel, first barrel sets up the second barrel is inboard, through with first connecting portion fixed connection planetary reducer's fixing base, second connecting portion fixed connection lock nut, then exerts the moment of torsion of predetermined torque value through electronic torque increasing spanner, both is convenient for lock this lock nut, also can make lock nut's locking establish the standard of quantification.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic sectional view of a locking device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a locking device in an embodiment of the present invention;
fig. 3 is the embodiment of the present invention, which is a schematic view of a locking device applied to a planetary gear reducer.
Description of reference numerals:
1. an electric torque increasing wrench; 11. a connector; 12. an intermediate connecting portion; 2. an inner sleeve; 21. a first connection portion; 3. an outer sleeve; 31. a connecting flange; 4. a pin; 5. locking the nut; 6. a bearing seat; 61. floating sealing; 62. a first bearing; 63. a second bearing; 64. a fixed seat; 7. and the inner gear ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The preferred embodiments of the present invention will be further described with reference to the accompanying drawings:
the utility model discloses lock nut to among the prior art in the planetary gear reducer is at the locking in-process, needs the manual work to strike to pound and locks this lock nut, leads to consuming time power in the working process, and lock nut's locking force is also difficult to master in addition, can not set up quantitative standard, the embodiment of the utility model discloses through setting up electronic torque wrench 1 and locking this lock nut 5, this electronic torque wrench 1 cooperates fixing base 64 on the 2 fixed connection planetary gear reducers of inlayer sleeve and outer sleeve 3 fixed lock nut 5 and realizes this lock nut of electronic locking, labour saving and time saving, but also can set up quantitative standard for lock nut's locking according to the torque value of setting for electronic torque wrench 1.
Referring to fig. 1 to 3, the locking device for locking a nut of a planetary gear reducer is shown, and includes: the electric torque increasing wrench comprises an electric torque increasing wrench 1, an inner sleeve 2 and an outer sleeve 3, wherein the electric torque increasing wrench 1 comprises a connector 11 and a middle connecting part 12, and the connector 11 is connected with the middle connecting part 12 in a relatively rotating mode. The inner sleeve 2 comprises a first cylinder body with a first connecting part 21, the first connecting part 21 is used for fixedly connecting a fixed seat 64 of the planetary reducer, and in addition, the connecting head 11 is fixedly connected with a central shaft part of the first cylinder body. Outer sleeve 3 is including the second barrel of taking the second connecting portion, and the second connecting portion are used for fixed connection lock nut 5, and middle connecting portion 12 and the central axial region fixed connection of outer barrel 3, first barrel setting are inboard at the second barrel.
Preferably, as shown in fig. 1-3, the connector 11 is a connecting square head, and the central shaft portion of the first cylinder is provided with a connecting square groove (not shown) corresponding to the connecting square head; the middle connecting part 12 is provided with a middle external spline, and the middle connecting part 12 is also provided with a connecting handle integrated with the middle connecting part; the central shaft portion of the second cylinder is provided with spline grooves (not shown in the figure) corresponding to the intermediate external splines.
A key groove is generally formed on the periphery of the fixed seat 64 of the planetary reducer, and in order to facilitate the fixed connection with the fixed seat 64, the first connecting portion 21 of the first cylinder is an internal spline arranged in the first cylinder, and as shown in fig. 1, the internal spline is arranged corresponding to the key groove outside the fixed seat 64, so that the inner sleeve 2 can be fixedly connected with the fixed seat 64 of the planetary reducer.
Preferably, as shown in fig. 1 to 3, the second connecting portion of the second cylinder includes a connecting flange 31 disposed outside the second cylinder; the connecting flange 31 is provided with a slotted hole; the pin 4 for connecting the locking nut 5 is arranged in the slotted hole, the slotted hole is arranged on the connecting flange 31, and the pin 4 for fixing the locking nut 5 is inserted into the slotted hole, so that the outer sleeve 3 is fixedly connected with the locking nut. The structural arrangement has the advantage that the locking nuts 5 with different inner diameter sizes can be fixed by selecting different pins 4, so that the application range of the locking device is widened.
In addition, for the convenience of setting up the quantification standard for lock nut 5's locking, the embodiment of the utility model provides a still be provided with in electronic torque wrench 1 and be used for adjusting the torque adjustment unit of the output torque value of electronic torque wrench 1 that increases. The torque values with different sizes are set through the torque adjusting unit, so that the electric torque increasing wrench 1 outputs the torque with a quantitative torque value, the locking of the locking nut 5 has a certain standard, and the locking intelligence of the locking nut 5 is improved.
The whole device is simple and practical, reduces the labor intensity of workers and improves the working efficiency; and the whole device has compact structure, light weight, economy, safety and reliability.
The working principle of the embodiment of the present invention is, as shown in fig. 1-3, that a floating seal 61, a first bearing 62, a second bearing 63, a fixing seat 64, an inner gear ring 7 and a lock nut 5 are arranged in a bearing seat 6 of a planetary gear reducer; in the embodiment of the present invention, the inner sleeve 2 is fixedly connected to the key slot on the fixing base 64 through the first connecting portion 21 (inner spline); the outer sleeve 3 is provided with a connecting flange 31 on the outer side, the connecting flange 31 is provided with a slotted hole, and the outer sleeve 3 and the locking nut 5 are fixedly connected through inserting a pin 4 in the slotted hole.
The connector 11 of the electric torque increasing wrench 1 is a connecting square head, and the middle connecting part 12 is provided with a middle external spline; when in use, the connecting square head of the electric torque increasing wrench 1 is inserted into the central shaft part of the inner sleeve 2, and the central shaft part of the inner sleeve 2 is provided with a connecting square groove corresponding to the connecting square head; the outer spline is inserted into the central shaft part of the outer sleeve 3, and the central shaft part of the outer sleeve 3 is provided with a spline groove corresponding to the outer spline; thus, the outer sleeve 3 and the inner sleeve 2 are connected with the middle connecting part 12 through the connector 11 of the electric torque increasing wrench 1, when the electric torque increasing wrench 1 is screwed down, the electric torque increasing wrench can be used as a reaction arm, and the reaction arm does not need to be additionally increased; after a required torque value is set, the wrench is started, and because the connector 11 of the electric torque increasing wrench 1 and the middle connecting part 12 have a relative rotation connection relationship, the fixed seat 64 fixedly connected through the inner-layer sleeve 2 is a counter force arm, so that the outer-layer sleeve 3 can drive the locking nut 5 to rotate relative to the fixed seat 64, namely the locking nut is screwed, and the locking nut is locked; the locking nut can be unscrewed after reverse rotation, and the locking nut can be detached for use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a locking device of planetary gear speed reducer lock nut which characterized in that includes:
the electric torque increasing wrench (1) comprises a connector (11) and an intermediate connecting part (12), wherein the connector (11) is connected with the intermediate connecting part (12) in a relatively rotating manner;
the inner-layer sleeve (2) comprises a first cylinder body with a first connecting part (21), and the connecting head (11) is fixedly connected with the central shaft part of the first cylinder body;
outer sleeve (3), including the second barrel of taking the second connecting portion, first barrel sets up the second barrel is inboard, intermediate junction portion (12) with the central axial region fixed connection of second barrel.
2. A locking device of a locking nut of a planetary gear reducer according to claim 1, characterized in that the connector (11) is a connecting square head;
the central shaft part of the first cylinder is provided with a connecting square groove corresponding to the connecting square head.
3. A locking device of a lock nut of a planetary gear reducer according to claim 1, wherein the intermediate connection portion (12) is an intermediate external spline;
and the central shaft part of the second cylinder is provided with a spline groove corresponding to the middle external spline.
4. A locking device of a lock nut of a planetary gear reducer according to claim 1, wherein the first connecting portion (21) is an internal spline provided in the first cylinder.
5. A locking device of a lock nut of a planetary gear reducer according to claim 1, wherein the second connecting portion includes a connecting flange (31) provided outside the second cylinder; wherein,
the connecting flange (31) is provided with a slotted hole; and a pin (4) for connecting a locking nut (5) is arranged in the slot hole.
6. A locking device of a locking nut of a planetary gear reducer according to any one of claims 1-5, characterized in that the electric torque increasing wrench (1) is further provided with a torque adjusting unit for adjusting the output torque value of the electric torque increasing wrench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578947.6U CN204209607U (en) | 2014-10-09 | 2014-10-09 | A kind of locking device of locking nut of planet gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578947.6U CN204209607U (en) | 2014-10-09 | 2014-10-09 | A kind of locking device of locking nut of planet gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204209607U true CN204209607U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420578947.6U Active CN204209607U (en) | 2014-10-09 | 2014-10-09 | A kind of locking device of locking nut of planet gear speed reducer |
Country Status (1)
| Country | Link |
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| CN (1) | CN204209607U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541363A (en) * | 2015-09-18 | 2017-03-29 | 中航商用航空发动机有限责任公司 | Locking nut is tightened and back off tool |
| CN107097066A (en) * | 2017-05-24 | 2017-08-29 | 徐工集团工程机械有限公司 | Location nut provision for disengagement |
-
2014
- 2014-10-09 CN CN201420578947.6U patent/CN204209607U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541363A (en) * | 2015-09-18 | 2017-03-29 | 中航商用航空发动机有限责任公司 | Locking nut is tightened and back off tool |
| CN106541363B (en) * | 2015-09-18 | 2018-07-10 | 中国航发商用航空发动机有限责任公司 | Locking nut tighten and back off tool |
| CN107097066A (en) * | 2017-05-24 | 2017-08-29 | 徐工集团工程机械有限公司 | Location nut provision for disengagement |
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