CN210147564U - Clamp for machining gearbox support - Google Patents
Clamp for machining gearbox support Download PDFInfo
- Publication number
- CN210147564U CN210147564U CN201920893140.4U CN201920893140U CN210147564U CN 210147564 U CN210147564 U CN 210147564U CN 201920893140 U CN201920893140 U CN 201920893140U CN 210147564 U CN210147564 U CN 210147564U
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- sleeve
- tensioning
- sliding sleeve
- gearbox
- fixed
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Abstract
A clamp for processing a gearbox bracket relates to the technical field of clamps, and comprises a tensioning assembly, a fixed seat and a limiting assembly; the tensioning assembly comprises a tensioning sleeve, a sliding sleeve and a fixed sleeve, the lower part of the tensioning sleeve is buckled on the inner side of the sliding sleeve, the upper part of the tensioning sleeve is inserted into the bottom of the gearbox bracket, and the fixed sleeve is sleeved outside the tensioning sleeve and the sliding sleeve; the fixed sleeve is fixed on the fixed seat, the sliding sleeve is arranged on the fixed seat and can slide up and down along the lower part of the tensioning sleeve, when the sliding sleeve slides upwards, the tensioning sleeve is folded inwards to clamp the gearbox bracket, and when the sliding sleeve slides downwards, the tensioning sleeve is unfolded outwards to loosen the gearbox bracket; spacing subassembly includes spacing fork at least, and spacing fork is installed on the fixing base with fork mouth mode up, and spacing fork is used for placing the guide post of gearbox support in order to prevent that gearbox support from taking place to rotate. The utility model discloses a be exclusively used in anchor clamps of fixed gearbox support, this anchor clamps simple structure, fixed effectual.
Description
Technical Field
The utility model belongs to the technical field of the anchor clamps technique and specifically relates to indicate an anchor clamps are used in processing of gearbox support.
Background
The automobile gearbox bears an attack force during working, and in order to avoid abnormal sound of the gearbox, the gearbox needs to be installed on a gearbox support to fix the position of the gearbox. As shown in fig. 1, a conventional transmission support a is an annular cover body with a slot at the bottom, three support lugs and a guide post are connected to the side surface of the annular cover body outwards, and when the upper end surface, the outer side surface and the three support lugs of the transmission support a are machined in a machining center of a factory, because the transmission support is thin, a problem of "vibration" is often generated during machining, the machining precision of the transmission support is seriously affected by the vibration, and therefore, a special clamp needs to be used for fixing the transmission support during machining.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be exclusively used in anchor clamps of fixed gearbox support, this anchor clamps simple structure, fixed effectual.
In order to solve the technical problem, the utility model discloses a following technical scheme: a gearbox is anchor clamps for support processing includes:
the tensioning assembly comprises a tensioning sleeve, a sliding sleeve and a fixed sleeve, wherein the lower part of the tensioning sleeve is buckled on the inner side of the sliding sleeve, the upper part of the tensioning sleeve is inserted into the bottom of the gearbox support, and the fixed sleeve is sleeved outside the tensioning sleeve and the sliding sleeve;
the fixed sleeve is fixed on the fixed seat, the sliding sleeve is arranged on the fixed seat and can slide up and down along the lower part of the tensioning sleeve, when the sliding sleeve slides upwards, the tensioning sleeve is folded inwards to clamp the gearbox bracket, and when the sliding sleeve slides downwards, the tensioning sleeve is unfolded outwards to loosen the gearbox bracket;
the limiting assembly at least comprises a limiting fork, the limiting fork is installed on the fixing seat in a mode that a fork opening faces upwards, and the limiting fork is used for placing a guide column of the gearbox support to prevent the gearbox support from rotating.
Furthermore, the tensioning sleeve comprises a plurality of tensioning blocks which are distributed circumferentially, the outer side wall of each tensioning block inclines outwards from bottom to top, a first sliding groove for the sliding sleeve to slide up and down relatively is transversely formed in the lower portion of the outer side of each tensioning block, a second sliding groove for the tensioning blocks to slide up and down relatively is formed in the upper portion of the inner side of the sliding sleeve, the lower portion of each tensioning block is buckled in the second sliding groove, and the upper portion of the sliding sleeve is buckled in the first sliding groove.
Furthermore, the number of the tensioning blocks is six.
Furthermore, the fixed sleeve is connected with a jacking screw in a threaded manner, a limiting groove is longitudinally formed in the outer side of the tensioning sleeve, the depth of the limiting groove is reduced from top to bottom, the jacking screw is vertically screwed in from the outer side of the fixed sleeve, the tail end of the jacking screw can be inserted into the limiting groove of the tensioning sleeve, and when the sliding sleeve slides downwards to enable the tensioning sleeve to be outwards opened to loosen the gearbox support, the tail end of the jacking screw abuts against the bottom of the limiting groove.
Furthermore, two tensioning blocks symmetrically distributed in the tensioning sleeve are respectively provided with a section of limiting groove, the fixing sleeve is correspondingly provided with two jacking screws, the tail end of one of the jacking screws abuts against the limiting groove of one tensioning block, and the tail end of the other jacking screw abuts against the limiting groove of the other tensioning block.
Preferably, the sliding sleeve drives the sliding sleeve to move up and down through a first oil cylinder, the first oil cylinder is installed below the fixed seat, and a telescopic rod of the first oil cylinder penetrates through the fixed seat and then is connected with the sliding sleeve.
Preferably, the limiting assembly further comprises a second oil cylinder for driving the limiting fork to move up and down, the second oil cylinder is also installed below the fixing seat, and a telescopic rod of the second oil cylinder penetrates through the fixing seat and then is connected with the limiting fork.
More preferably, two sets of tensioning assemblies are symmetrically distributed on the fixed seat, and each set of tensioning assembly is matched with one set of limiting assembly.
The utility model provides an anchor clamps are used in gearbox support processing when using, the tight cover that rises can insert the groove of gearbox support bottom and press from both sides the gearbox support from the circumferencial direction through the drawing in force of self, this tight cover that rises can not only prevent effectively that the gearbox support from taking place rotatoryly at the circumferencial direction, can also play the supporting role, add man-hour to the up end of gearbox support, the gearbox support can not take place the displacement downwards, in addition, during the use of this anchor clamps, the guide post of gearbox support is placed in the spacing fork of this anchor clamps, add man-hour to the lateral surface and the three journal stirrup of gearbox support, except that the tight cover that rises can prevent that the gearbox support is rotatory, this spacing fork can also more effectively prevent that the gearbox support is rotatory. Generally, the utility model discloses a simple structure carries on spacingly to the gearbox support and presss from both sides tightly fixedly to the even application of force of gearbox support, can effectually prevent that the gearbox support from adding man-hour emergence vibration, is favorable to guaranteeing the machining precision of gearbox support.
Drawings
FIG. 1 is a schematic structural view of a transmission carrier;
FIG. 2 is a schematic structural view of a fixture for machining a bracket of a transmission case according to the present invention;
FIG. 3 is an exploded view of a tension assembly of the fixture for machining a bracket of a transmission according to the present invention;
fig. 4 is the utility model discloses a gearbox support processing is with the schematic structure diagram of spacing fork of anchor clamps.
The reference signs are:
1-expansion sleeve 2-sliding sleeve 3-fixing sleeve
4-fixed seat 5-limit fork 6-top screw
7-first oil cylinder 8-second oil cylinder
1a, a tensioning block 1b, a first sliding chute 1c and a limiting groove
2 a-second runner.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.
As shown in fig. 2 and 3, a fixture for processing a gearbox bracket comprises a tensioning assembly, a fixed seat 4 and a limiting assembly;
a tensioning assembly: the gearbox support comprises a tensioning sleeve 1, a sliding sleeve 2 and a fixed sleeve 3, wherein the lower part of the tensioning sleeve 1 is buckled on the inner side of the sliding sleeve 2, the upper part of the tensioning sleeve 1 is inserted into the bottom of a gearbox support A, and the fixed sleeve 3 is sleeved outside the tensioning sleeve 1 and the sliding sleeve 2;
fixing base 4: the fixed sleeve 3 is fixed on the fixed seat 4, the sliding sleeve 2 is arranged on the fixed seat 4, the sliding sleeve 2 can slide up and down along the lower part of the tensioning sleeve 1, when the sliding sleeve 2 slides upwards, the tensioning sleeve 1 is folded inwards to clamp the gearbox bracket A, and when the sliding sleeve 2 slides downwards, the tensioning sleeve 1 is unfolded outwards to loosen the gearbox bracket A;
a limiting component: at least, including spacing fork 5, spacing fork 5 is installed on fixing base 4 with fork mouth mode up, and spacing fork 5 is used for placing gearbox support A's guide post in order to prevent gearbox support A from taking place the rotation.
The anchor clamps are used in gearbox support processing that above-mentioned embodiment provided when using, tight cover 1 that rises can insert in the groove of gearbox support A bottom and press from both sides gearbox support A from the circumferencial direction through the furl power of self tightly, this tight cover 1 that rises can not only prevent effectively that gearbox support A from taking place rotatoryly in the circumferencial direction, can also play the supporting role, add man-hour to gearbox support A's up end, gearbox support A can not downwards take place the displacement, in addition, when using this anchor clamps, gearbox support A's guide post is placed in the spacing fork 5 of this anchor clamps, add man-hour to gearbox support A's lateral surface and three journal stirrup, except that tight cover 1 that rises can prevent gearbox support A rotatory, this spacing fork 5 can also more effectually prevent that gearbox support A from rotating. Generally, this embodiment adopts simple structure, carries on spacingly and to the tight fixed of gearbox support A uniform force application clamp to gearbox support A, can effectually prevent gearbox support A and add the emergence vibration man-hour, is favorable to guaranteeing gearbox support A's machining precision.
In the prior art, the operation of tensioning is simple (the workpiece is clasped by tensioning), and the structure that can be realized by the tensioning sleeve 1 in this embodiment may also be various, specifically, the tensioning sleeve 1 includes six tensioning blocks 1a that are circumferentially distributed, the outer side wall of the tensioning block 1a is inclined outward from bottom to top, and the lower part of the outer side of the tensioning block 1a is transversely provided with a first chute 1b for the sliding sleeve 2 to slide up and down relatively, the upper part of the inner side of the sliding sleeve 2 is provided with a second chute 2a for the tensioning block 1a to slide up and down relatively, the lower part of the tensioning block 1a is buckled in the second chute 2a, and the upper part of the sliding sleeve 2 is buckled in the first chute 1 b. When the upper part of the sliding sleeve 2 slides upwards in the first sliding groove 1b (the lower part of the tensioning sleeve 1 slides downwards relative to the second sliding groove 2 a), the upper part of the tensioning sleeve 1 is folded inwards, and tightly embraces the side wall of the groove at the bottom of the gearbox bracket A to clamp the gearbox bracket A, and it needs to be explained that, before the tensioning sleeve 1 does not clamp the gearbox bracket A, the upper part of the tensioning sleeve 1 is only inserted into the groove at the bottom of the gearbox bracket A, at the moment, the distance between the tensioning sleeve 1 and the gearbox bracket A is also very small, the tensioning sleeve 1 basically cannot incline outwards or inwards in the groove, when the upper part of the sliding sleeve 2 slides downwards in the first sliding groove 1b (the lower part of the tensioning sleeve 1 slides upwards relative to the second sliding groove 2 a), the upper part of the tensioning sleeve 1 is outwards opened and separated from the side wall of the groove at the bottom of the gearbox support A to loosen the gearbox support A, and at the moment, the machined gearbox support A can be taken out of the clamp.
Further, threaded connection has a top tight screw 6 on fixed cover 3, and the spacing groove 1c has vertically been seted up in the outside of tight cover 1 that rises, and the degree of depth of spacing groove 1c from top to bottom diminishes, and top tight screw 6 is from the perpendicular screw in the outside of fixed cover 3, and the end of top tight screw 6 can insert in the spacing groove 1c of tight cover 1 that rises, and when sliding sleeve 2 slided down makes tight cover 1 that rises to open outwards when loosening gearbox support A, the end of top tight screw 6 supports the tank bottom that leans on spacing groove 1 c. It should be noted that the tightening screw 6 and the limiting groove 1c are properly sized, and the fit between the tightening screw and the limiting groove will not affect the sliding of the sliding sleeve 2 relative to the tightening sleeve 1.
As for the above-mentioned tightening screws 6, the number of the present embodiment is not limited, and the simplest manner may be: two tensioning blocks 1a which are symmetrically distributed in the tensioning sleeve 1 are respectively provided with a section of limiting groove 1c, two jacking screws 6 are correspondingly arranged on the fixed sleeve 3, the tail end of one jacking screw 6 is abutted against the limiting groove 1c of one tensioning block 1a, and the tail end of the other jacking screw 6 is abutted against the limiting groove 1c of the other tensioning block 1 a.
As shown in fig. 2, the movement of the sliding sleeve 2 can be driven by a first oil cylinder 7, the first oil cylinder 7 is installed below the fixed seat 4, and the telescopic rod of the first oil cylinder 7 passes through the fixed seat 4 and then is connected with the sliding sleeve 2.
The height of the guide post of each gearbox support A can be slightly different, and for the guide post of different gearbox support A of placing that can be better, the height of spacing fork 5 should be adjustable, therefore, spacing fork 5 also can move from top to bottom, and what drive spacing fork 5 and move is second hydro-cylinder 8, and second hydro-cylinder 8 also installs in the below of fixing base 4, and the telescopic link of second hydro-cylinder 8 passes behind fixing base 4 to be connected with spacing fork 5. As shown in fig. 4, the opening of the position-limiting fork 5 is preferably arc-shaped, so that the position-limiting fork can be better matched with the guide post of the gearbox bracket a to fix the guide post for position limitation.
In order to fix a plurality of transmission case supports a on one fixing seat 4 at the same time, as shown in fig. 2, two sets of tensioning assemblies are symmetrically distributed on the fixing seat 4, and each set of tensioning assembly is matched with one set of limiting assembly.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.
Claims (8)
1. The utility model provides a gearbox is anchor clamps for support processing which characterized in that includes:
the tensioning assembly comprises a tensioning sleeve (1), a sliding sleeve (2) and a fixing sleeve (3), the lower part of the tensioning sleeve (1) is buckled on the inner side of the sliding sleeve (2), the upper part of the tensioning sleeve (1) is inserted into the bottom of the gearbox support (A), and the fixing sleeve (3) is sleeved outside the tensioning sleeve (1) and the sliding sleeve (2);
the fixed sleeve (3) is fixed on the fixed seat (4), the sliding sleeve (2) is arranged on the fixed seat (4) and can slide up and down along the lower part of the tensioning sleeve (1), when the sliding sleeve (2) slides upwards, the tensioning sleeve (1) is folded inwards to clamp the gearbox support (A), and when the sliding sleeve (2) slides downwards, the tensioning sleeve (1) is unfolded outwards to loosen the gearbox support (A);
spacing subassembly includes spacing fork (5) at least, spacing fork (5) are installed on fixing base (4) with fork mouth mode up, spacing fork (5) are used for placing the guide post of gearbox support (A) in order to prevent that gearbox support (A) from taking place the rotation.
2. The jig for machining a transmission bracket according to claim 1, characterized in that: the tensioning sleeve (1) comprises a plurality of tensioning blocks (1 a) which are distributed circumferentially, the outer side wall of each tensioning block (1 a) is inclined outwards from bottom to top, a first sliding groove (1 b) for the sliding sleeve (2) to slide up and down is transversely formed in the lower portion of the outer side of each tensioning block, a second sliding groove (2 a) for the tensioning blocks (1 a) to slide up and down is formed in the upper portion of the inner side of the sliding sleeve (2), the lower portion of each tensioning block (1 a) is buckled in the second sliding groove (2 a), and the upper portion of the sliding sleeve (2) is buckled in the first sliding groove (1 b).
3. The jig for machining a transmission bracket according to claim 2, characterized in that: the number of the tensioning blocks (1 a) is six.
4. The jig for machining a transmission case bracket according to claim 2 or 3, characterized in that: the gearbox support structure is characterized in that a jacking screw (6) is connected to the upper portion of the fixed sleeve (3) in a threaded manner, a limiting groove (1 c) is longitudinally formed in the outer side of the tensioning sleeve (1), the depth of the limiting groove (1 c) is reduced from top to bottom, the jacking screw (6) is screwed in perpendicularly from the outer side of the fixed sleeve (3), the tail end of the jacking screw (6) can be inserted into the limiting groove (1 c) of the tensioning sleeve (1), and when the sliding sleeve (2) slides downwards to enable the tensioning sleeve (1) to stretch outwards to loosen the gearbox support (A), the tail end of the jacking screw (6) abuts against the bottom of the limiting groove (1 c).
5. The jig for machining a transmission bracket according to claim 4, characterized in that: two tensioning blocks (1 a) symmetrically distributed in the tensioning sleeve (1) are respectively provided with a section of limiting groove (1 c), the fixed sleeve (3) is correspondingly provided with two jacking screws (6), the tail end of one jacking screw (6) is abutted against the limiting groove (1 c) of one tensioning block (1 a), and the tail end of the other jacking screw (6) is abutted against the limiting groove (1 c) of the other tensioning block (1 a).
6. The jig for machining a transmission bracket according to claim 5, characterized in that: sliding sleeve (2) are through its up-and-down motion of first hydro-cylinder (7) drive, first hydro-cylinder (7) are installed in the below of fixing base (4), the telescopic link of first hydro-cylinder (7) is passed behind fixing base (4) and is connected with sliding sleeve (2).
7. The jig for machining a transmission bracket according to claim 6, characterized in that: the limiting assembly further comprises a second oil cylinder (8) for driving the limiting fork (5) to move up and down, the second oil cylinder (8) is also installed below the fixing seat (4), and a telescopic rod of the second oil cylinder (8) penetrates through the fixing seat (4) and then is connected with the limiting fork (5).
8. The jig for machining a transmission bracket according to claim 7, characterized in that: two sets of tensioning assemblies are symmetrically distributed on the fixed seat (4), and each set of tensioning assembly is matched with one set of limiting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893140.4U CN210147564U (en) | 2019-06-14 | 2019-06-14 | Clamp for machining gearbox support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893140.4U CN210147564U (en) | 2019-06-14 | 2019-06-14 | Clamp for machining gearbox support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210147564U true CN210147564U (en) | 2020-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893140.4U Expired - Fee Related CN210147564U (en) | 2019-06-14 | 2019-06-14 | Clamp for machining gearbox support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210147564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193739A (en) * | 2019-06-14 | 2019-09-03 | 湖南省嘉力机械有限公司 | A kind of gear-box bracket fixture for processing |
-
2019
- 2019-06-14 CN CN201920893140.4U patent/CN210147564U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193739A (en) * | 2019-06-14 | 2019-09-03 | 湖南省嘉力机械有限公司 | A kind of gear-box bracket fixture for processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |