CN216978370U - Adjustable test supporting leg - Google Patents
Adjustable test supporting leg Download PDFInfo
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- CN216978370U CN216978370U CN202123232963.9U CN202123232963U CN216978370U CN 216978370 U CN216978370 U CN 216978370U CN 202123232963 U CN202123232963 U CN 202123232963U CN 216978370 U CN216978370 U CN 216978370U
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- lifting sleeve
- accommodating space
- inner bushing
- shell
- lifting
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Abstract
The application relates to the technical field of engine tests and discloses an adjustable test supporting leg, including base, casing, lifting unit and drive assembly, wherein: the shell is fixed on the base, and an accommodating space extending along a first direction is formed in the shell; the lifting assembly comprises a lifting sleeve, an upper fixing plate, an inner bushing and a screw rod, wherein the first end of the lifting sleeve is positioned in the accommodating space, the second end of the lifting sleeve is positioned outside the shell, and the upper fixing plate is connected to the second end of the lifting sleeve; the inner bushing can be rotatably arranged in the accommodating space around the central axis of the accommodating space, the interior of the lifting sleeve is of a hollow structure, the screw is fixed in the lifting sleeve, and the screw is in threaded connection with the inner bushing; the transmission assembly is connected with the inner bushing and is used for driving the inner bushing to rotate around the central axis of the accommodating space so as to enable the screw to move along the first direction. The adjustable test supporting leg is beneficial to improving the test efficiency, reducing the stock occupation and facilitating the management.
Description
Technical Field
The application relates to the technical field of engine tests, in particular to an adjustable test supporting leg.
Background
The engine test supporting leg is used for the engine to do the experiment and is the middle strutting arrangement who is used for connecting engine support and rack, does the experiment in order to cooperate the rack of co-altitude not, need be equipped with different test supporting legs usually, this has just led to the test efficiency low, the landing leg kind is many, the stock occupies greatly, the management is inconvenient scheduling problem.
SUMMERY OF THE UTILITY MODEL
The application provides an adjustable test supporting leg for test efficiency is low, the landing leg kind is many, the stock occupies big, the inconvenient scheduling problem of management.
In order to achieve the above object, the present application provides an adjustable test supporting leg, including base, casing, lifting unit and drive assembly, wherein:
the shell is fixed on the base, and an accommodating space extending along a first direction is formed in the shell;
the lifting assembly comprises a lifting sleeve, an inner bushing and a screw rod, wherein the first end of the lifting sleeve is positioned in the accommodating space, and the second end of the lifting sleeve is positioned outside the shell; the interior of the lifting sleeve is of a hollow structure, the inner bushing is fixed inside the lifting sleeve, the screw is fixed inside the accommodating space, and the screw is in threaded connection with the inner bushing;
the transmission assembly is connected with the inner bushing and used for driving the inner bushing to rotate around the central axis of the accommodating space so as to enable the inner bushing to move along the first direction.
Above-mentioned adjustable experimental supporting leg, the fixed plate can be used to fixed engine pedestal, and through setting up lifting unit and drive assembly, adjust the height of fixed plate, during concrete operation, accessible drive assembly drive neck bush rotates, because neck bush and screw rod threaded connection, the relative screw rod moves along the first direction when the neck bush rotates, and the neck bush is fixed in the lift sleeve, can drive the lift sleeve when the neck bush removes and move along the first direction, thereby drive the fixed plate and remove, and then realize the adjustment of fixed plate height. Because the height-adjustable of fixed plate, the adjustable experimental supporting leg that this application provided can satisfy the demand of different rack heights, when changing the rack, only need the height of adjustment fixed plate can satisfy experimental demand.
Therefore, the adjustable experimental supporting leg that this application provided is through setting up lifting unit and drive assembly for the height-adjustable of fixed plate, thereby be favorable to improving test efficiency, reduce the stock and occupy, and be convenient for manage.
Preferably, the transmission assembly comprises:
the bevel gear is positioned in the accommodating space and is in transmission connection with the inner bushing;
the transmission driven gear is arranged on the shell, the shell is provided with a mounting hole communicated with the accommodating space, one end of the transmission driven gear is in transmission connection with the bevel gear, and the other end of the transmission driven gear extends out of the shell through the mounting hole.
Preferably, the transmission assembly further comprises:
the adjusting rod is connected to one end, extending out of the shell, of the transmission slave gear and used for driving the transmission slave gear to rotate.
Preferably, a bushing assembly is arranged between the transmission driven gear and the mounting hole.
Preferably, the lifting sleeve further comprises a clasping mechanism for limiting the movement of the lifting sleeve along the first direction.
Preferably, the casing is equipped with the edge the seam that first direction extends, hold tight mechanism including being located the board of holding tightly of the both sides of seam, two it is equipped with the screw hole of one-to-one, and two to hold tight board accessible and pass the bolt locking of screw hole.
Preferably, the shell is provided with a stress relief groove at one side of the enclasping plate facing the base.
Preferably, the lifting sleeve further comprises a limiting device for limiting the lifting sleeve to rotate around the axis of the lifting sleeve.
Preferably, a guide cut-off groove extending in the first direction is formed in one side surface, facing the housing, of the lifting sleeve, the limiting device includes a guide cut-off pin mounted on the housing in the second direction, one end of the guide cut-off pin abuts against the guide cut-off groove, and the other end of the guide cut-off pin extends out of the housing, wherein the second direction is perpendicular to the first direction.
Preferably, the lifting sleeve is further provided with a warning groove, and the warning groove is located in the guide stopping groove.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an adjustable test support leg in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of an adjustable test support leg according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of an adjustable test support leg according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a housing according to an embodiment of the present application;
FIG. 5 is a schematic view of an embodiment of the present application;
FIG. 6 is an enlarged view of the structure at A in FIG. 5;
FIG. 7 is a cross-sectional view of the lift sleeve of the present embodiment;
FIG. 8 is a schematic illustration of an embodiment of the present application with the adjustable test support leg in a raised position;
fig. 9 is an enlarged schematic view of the structure at B in fig. 8.
In the figure:
1-a base; 2-a shell; 3-a lifting assembly; 31-a lifting sleeve; 311-guide cut-off groove; 312-alert slot; 32-inner liner; 33-a screw; 4-a transmission assembly; 41-bevel gear; 42-a bearing; 43-drive driven gear; 44-a bushing assembly; 5, fixing a plate; 6-adjusting the rod; 7-a clasping mechanism; 71-a holding plate; 711-bolt hole; 8-stress relief grooves; 9-guide the stop pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present disclosure may provide an adjustable testing support leg, including a base 1, a housing 2, a fixing plate 5, a lifting assembly 3 and a transmission assembly 4, wherein the housing 2 may be fixedly connected to the base 1, and the housing 2 has an accommodating space extending along a first direction inside, the lifting assembly 3 may include a lifting sleeve 31, an inner bushing 32 and a screw 33, a first end of the lifting sleeve 31 is located in the accommodating space, a second end of the lifting sleeve extends out of the housing 2, the fixing plate 5 is connected to a second end of the lifting sleeve 31, the lifting sleeve 31 has a hollow interior, the inner bushing 32 is fixed inside the lifting sleeve 31, and the screw 33 is fixed in the accommodating space and in threaded connection with the inner bushing 32. The transmission assembly 4 is connected with the inner bushing 32 for driving the inner bushing 32 to rotate around the central axis of the accommodating space, so that the inner bushing 32 moves along the first direction.
The adjustable experimental supporting leg that the embodiment of the application provided, fixed plate 5 can be used to fixed engine pedestal, and through setting up lifting unit 3 and transmission assembly 4, adjust the height of fixed plate 5, during concrete operation, accessible transmission assembly 4 drive neck bush 32 rotates, because neck bush 32 and screw rod 33 threaded connection, can drive screw rod 33 and remove along the first direction when neck bush 32 rotates, and screw rod 33 is fixed in lifting sleeve 31, can drive lifting sleeve 31 and remove along the first direction when screw rod 33 removes, thereby drive fixed plate 5 and remove, and then realize the adjustment of fixed plate 5 height. Because the height-adjustable of fixed plate 5, the adjustable experimental supporting leg that this application embodiment provided can satisfy the demand of different rack heights, when changing the rack, only needs the height of adjustment fixed plate 5 can satisfy experimental demand, therefore is favorable to improving test efficiency, reduces the stock and occupies to the management of being convenient for.
The transmission assembly 4 may include a bevel gear 41 and a driven gear 43, the bevel gear 41 may be disposed in the accommodating space and in transmission connection with the inner bushing 32, and in practical implementation, the bevel gear 41 may be press-fitted on the bearing 42 and fixed on the base 1 by bolts. In addition, the housing 2 is further provided with a mounting hole communicated with the accommodating space, one end of the transmission driven gear 43 can be in transmission connection with the bevel gear 41, the other end of the transmission driven gear can extend out of the housing 2 through the mounting hole, and a bushing assembly 44 can be arranged between the transmission driven gear 43 and the mounting hole, when the transmission driven gear 43 rotates, the transmission driven gear 41 can be driven to rotate, and when the bevel gear 41 rotates, the inner bushing 32 can be driven to rotate, so that the lifting sleeve 31 can move along the first direction.
In addition, an adjusting rod 6 can be connected to one end of the transmission slave gear 43 extending out of the shell 2, so that a tester can rotate the transmission slave gear 43 through the adjusting rod 6.
The inside accommodation space of casing 2 can be the cylinder structure, and casing 2 is whole can be the structure of circle in the foreign side to make casing 2 can bear great load, at this moment, the inner wall installation of casing 2 can be hugged closely to lift sleeve 31.
On the basis, as shown in fig. 4, a clasping mechanism 7 may be further provided, and the clasping mechanism 7 may be configured to clasp and lock the lifting sleeve 31 after the lifting sleeve 31 is moved to a suitable position, so as to prevent the height of the fixing plate 5 from changing during the test. In specific implementation, the upper portion of the housing 2 may be cut open, that is, the housing 2 has a slit extending along the first direction, the clasping mechanism 7 may include clasping plates 71 located at two sides of the slit, and two clasping plates 71 are provided with one-to-one threaded holes 711, so that the two clasping plates 71 may be locked by bolts passing through the threaded holes 711, thereby locking the lifting sleeve 31 in clasping.
In addition, a stress relief groove 8 can be formed in one side, facing the base 1, of the shell 2, located on the clasping plate 71 (i.e., below the clasping plate 71), so that damage to the shell 2 caused by stress concentration is avoided.
Further, referring to fig. 5 to 9, a limiting device may be further provided, and when the lifting sleeve 31 moves up and down in the first direction, the limiting device may allow the lifting sleeve 31 to move up and down without rotating about its axis. In specific implementation, a guide stop groove 311 extending in a first direction may be disposed on a side surface of the lifting sleeve 31 facing the housing 2, the limiting device may include a guide stop pin 9 mounted on the housing 2 in a second direction, one end of the guide stop pin 9 abuts against the guide stop groove 311 to limit rotation of the lifting sleeve 31, and the other end of the guide stop pin 9 may extend out of the housing 2 to facilitate mounting, where it should be noted that the second direction is perpendicular to the first direction.
In addition, a warning groove 312 can be further formed in the lifting sleeve 31, the warning groove 312 can be located in the guide stopping groove 311, and when the lifting sleeve 31 rises to the position where the warning groove 312 is exposed, an operator can be reminded that the lifting sleeve 31 is about to reach the maximum height. When the lifting sleeve 31 continues to rise, the bottom of the guide stopping groove 311 contacts the guide stopping pin 9, which can generate a mechanical limiting effect, thereby preventing the lifting sleeve 31 from falling out of the shell 2.
In addition, base 1 and casing 2 between also can be through the bolt fastening, also be the dismantlement formula between the two and be connected to the later stage maintenance of being convenient for.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an adjustable experimental supporting leg, its characterized in that includes base, casing, fixed plate, lifting unit and drive assembly, wherein:
the shell is fixed on the base, and an accommodating space extending along a first direction is formed in the shell;
the lifting assembly comprises a lifting sleeve, an inner bushing and a screw rod, wherein the first end of the lifting sleeve is positioned in the accommodating space, and the second end of the lifting sleeve is positioned outside the shell; the interior of the lifting sleeve is of a hollow structure, the inner bushing is fixed inside the lifting sleeve, the screw is fixed inside the accommodating space, and the screw is in threaded connection with the inner bushing;
the fixed plate is connected to the second end of the lifting sleeve;
the transmission assembly is connected with the inner bushing and used for driving the inner bushing to rotate around the central axis of the accommodating space so as to enable the inner bushing to move along the first direction.
2. The adjustable test support leg of claim 1, wherein the transmission assembly comprises:
the bevel gear is positioned in the accommodating space and is in transmission connection with the inner bushing;
the transmission driven gear is arranged on the shell, a mounting hole communicated with the accommodating space is formed in the shell, one end of the transmission driven gear is in transmission connection with the bevel gear, and the other end of the transmission driven gear extends out of the shell through the mounting hole.
3. The adjustable test support leg of claim 2, wherein the transmission assembly further comprises:
the adjusting rod is connected to one end, extending out of the shell, of the transmission slave gear and used for driving the transmission slave gear to rotate.
4. The adjustable test support leg of claim 2, wherein a bushing assembly is disposed between the drive slave gear and the mounting hole.
5. The adjustable test support leg of claim 1, further comprising a clasping mechanism for restricting movement of the lifting sleeve in the first direction.
6. The adjustable test support leg according to claim 5, wherein the housing is provided with a slit extending in the first direction, the clasping mechanism comprises clasping plates located on both sides of the slit, two clasping plates are provided with one-to-one threaded holes, and the two clasping plates are lockable by bolts passing through the threaded holes.
7. The adjustable test support leg according to claim 6, wherein the housing is provided with a stress relief groove on a side of the hugging plate facing the base.
8. The adjustable test support leg of claim 1, further comprising a limiting device for limiting rotation of the lifting sleeve about its axis.
9. The adjustable test support leg according to claim 8, wherein a side surface of the lifting sleeve facing the housing is provided with a guide stop groove extending along the first direction, the limiting device comprises a guide stop pin mounted on the housing along a second direction, one end of the guide stop pin abuts against the guide stop groove, and the other end of the guide stop pin extends out of the housing, wherein the second direction is perpendicular to the first direction.
10. The adjustable test support leg of claim 9, wherein the lifting sleeve is further provided with a warning groove, and the warning groove is located in the guide cut-off groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123232963.9U CN216978370U (en) | 2021-12-21 | 2021-12-21 | Adjustable test supporting leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123232963.9U CN216978370U (en) | 2021-12-21 | 2021-12-21 | Adjustable test supporting leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978370U true CN216978370U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123232963.9U Active CN216978370U (en) | 2021-12-21 | 2021-12-21 | Adjustable test supporting leg |
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| CN (1) | CN216978370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326405A (en) * | 2022-10-10 | 2022-11-11 | 湖南湘仪动力测试仪器有限公司 | Lifting support and supporting structure for engine test |
-
2021
- 2021-12-21 CN CN202123232963.9U patent/CN216978370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326405A (en) * | 2022-10-10 | 2022-11-11 | 湖南湘仪动力测试仪器有限公司 | Lifting support and supporting structure for engine test |
| CN115326405B (en) * | 2022-10-10 | 2023-01-31 | 湖南湘仪动力测试仪器有限公司 | Supporting structure for engine test |
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