CN210196931U - Gantry cantilever structure - Google Patents
Gantry cantilever structure Download PDFInfo
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- CN210196931U CN210196931U CN201920415389.4U CN201920415389U CN210196931U CN 210196931 U CN210196931 U CN 210196931U CN 201920415389 U CN201920415389 U CN 201920415389U CN 210196931 U CN210196931 U CN 210196931U
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- cantilever
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- ring bearing
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Abstract
The utility model discloses a longmen cantilever structure includes cantilever fixed bolster, cantilever rotating assembly, cantilever one, swivel bearing, cantilever two, control box flange combination and control box, has been equipped with the relevant sheet metal component of threading mouth, cantilever apron and control box. The main characteristics are simple structure, it is fixed convenient, rotate the rigidity good, only need fix in the crossbeam side, overcome because control box weight makes the cantilever slope, lead to the defect of cantilever rotation difficulty, the while is inside to set up three revolute pair, can satisfy the operation requirement that the operator is different at the station.
Description
Technical Field
The utility model relates to a numerical control equipment technical field especially relates to a longmen cantilever structure.
Background
The machinery that possesses the cantilever includes cantilever structure and mechanical body, and cantilever structure installs on mechanical body, and mechanical body is great to the station demand when the operation, and sometimes the cantilever of requirement during operation cantilever structure can change at any time in order to satisfy the station demand. And the weight of the operation box on the cantilever can make the cantilever incline, resulting in the defect that the cantilever is difficult to rotate.
Disclosure of Invention
The utility model aims to overcome the above-mentioned not enough, provide a but multistation operation and control box can not make the longmen cantilever structure of cantilever slope.
In order to solve the above problem, the utility model adopts the following technical scheme:
a gantry cantilever structure comprises a cantilever fixing support, a cantilever rotating assembly, a cantilever I, a slewing ring bearing, a cantilever II, an operation box flange assembly and an operation box, wherein the cantilever fixing support is arranged below the cantilever I, the cantilever fixing support is rotatably connected with the cantilever through the cantilever rotating assembly, the cantilever I and the cantilever II are rotatably connected through the slewing ring bearing, and the operation box is rotatably connected with the operation box through the operation box flange assembly;
the cantilever rotating assembly comprises a cantilever rotating cover, a limiting screw, single-row tapered roller bearings, a cantilever rotating bearing sleeve and a cantilever rotating mandrel, the cantilever rotating bearing sleeve is fixed on the cantilever fixing support, the two single-row tapered roller bearings are assembled in the cantilever rotating bearing sleeve, and the cantilever rotating mandrel and the cantilever rotating cover tightly press the single-row tapered roller bearings in the cantilever rotating bearing sleeve to form a rotating pair;
the rotary ring bearing comprises a large surface of the rotary ring bearing and a small surface of the rotary ring bearing, the upper part and the lower part of the joint of the cantilever I and the cantilever II are respectively fixedly provided with the rotary ring bearing, the large surface of the rotary ring bearing is fixed on the cantilever I, and the small surface of the rotary ring bearing is fixed on the cantilever II to form a revolute pair; the operation box flange combination comprises an outer flange and an inner flange, the outer flange is fixedly arranged on the second cantilever, the inner flange is fixedly arranged on the operation box, a through hole and a groove are formed in the middle of the outer flange, and the inner flange is installed on the outer flange in a clearance fit mode to form a revolute pair.
Preferably, a first threaded hole is formed in the cantilever rotating bearing sleeve, and the first threaded hole is fixedly connected with a first limiting screw.
Preferably, a first limiting groove is formed in the position, opposite to the threaded hole, of the cantilever rotating cover.
Preferably, a second threaded hole can be formed in the first cantilever, and a second limiting screw is fixedly connected with the second threaded hole.
Preferably, a second limiting groove can be formed in the position, opposite to the second threaded hole, of the second cantilever.
Preferably, a third threaded hole can be formed in the outer flange, and a third limiting screw is fixedly connected to the third threaded hole.
Preferably, a third limiting groove can be formed in the position, opposite to the third threaded hole, on the cylindrical surface of the inner flange.
The utility model has the advantages that: the utility model discloses a key feature is simple structure, and is fixed convenient, and the rotation rigidity is good, only needs to fix in the crossbeam side, has overcome because control box weight makes the cantilever slope, leads to the defect of the rotatory difficulty of cantilever, and inside sets up three revolute pair simultaneously, can satisfy the operation requirement that the operator is different at the station.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
fig. 2 is a schematic view of the cantilever rotating assembly of the present invention;
FIG. 3 is a schematic view of a slewing ring bearing of the present invention;
fig. 4 is a schematic view of the flange assembly of the present invention.
Description of the main reference numerals: (1) a cantilever fixing bracket; (2) a cantilever rotation assembly; (3) a first cantilever; (4) a slewing ring bearing; (5) a second cantilever; (6) assembling flanges of an operation box; (7) an operation box; (21) a cantilever rotating cover; (22) a single row tapered roller bearing; (23) a cantilever swivel bearing housing; (24) a cantilever rotating mandrel; (41) the large face of the slewing ring bearing; (42) facets of the slewing ring bearing; (61) an outer flange; (62) an inner flange; (231) a first threaded hole; (232) a first limiting screw; (211) and a first limiting groove.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1 to 4, the present invention provides a gantry cantilever structure, which includes a cantilever fixing support 1, a cantilever rotating assembly 2, a cantilever one 3, a slewing ring bearing 4, a cantilever two 5, an operation box flange assembly 6 and an operation box 7, wherein the cantilever fixing support 1 is disposed below the cantilever one 3, the cantilever fixing support 1 is rotatably connected with the cantilever one 3 through the cantilever rotating assembly 2, the cantilever one 3 is rotatably connected with the cantilever two 5 through the slewing ring bearing 4, and the operation box 7 is rotatably connected with the cantilever two 5 through the operation box flange assembly 6; the gantry cantilever structure is rotatably connected through the two cantilevers, so that the stress applied to the middle part of the cantilever by heavy objects at the two ends of the cantilever is reduced, and the condition that the cantilever is difficult to rotate due to the inclination of the cantilever is avoided;
the cantilever rotating assembly 2 comprises a cantilever rotating cover 21, a single-row tapered roller bearing 22, a cantilever rotating bearing sleeve 23 and a cantilever rotating mandrel 24, the cantilever rotating bearing sleeve 23 is fixed on the cantilever fixing support 1, the two single-row tapered roller bearings 22 are assembled in the cantilever rotating bearing sleeve 23, and the cantilever rotating mandrel 24 and the cantilever rotating cover 21 press the single-row tapered roller bearing 22 in the cantilever rotating bearing sleeve 23 to form a rotating pair; the cantilever rotating assembly is used as a cantilever fixing support 1, and the cantilever fixing support 1 is rotatably connected below the cantilever I3 through a connecting assembly of the cantilever rotating assembly 2 so as to meet the requirements of different stations;
the slewing ring bearing 4 comprises a large surface 41 of the slewing ring bearing and a small surface 42 of the slewing ring bearing, the slewing ring bearing 4 is fixedly arranged at the upper part and the lower part of the joint of the cantilever I3 and the cantilever II 5 respectively, the large surface 41 of the slewing ring bearing is fixed on the cantilever I3, and the small surface 42 of the slewing ring bearing is fixed on the cantilever II 5 to form a revolute pair; the cantilever I3 and the cantilever II 5 are rotatably connected through the rotary ring bearing 4 so as to meet the requirements of different stations;
the operation box flange assembly 6 comprises an outer flange 61 and an inner flange 62, the outer flange 61 is fixedly arranged on the second cantilever 5, the inner flange 62 is fixedly arranged on the operation box 7, a through hole and a groove are formed in the middle of the outer flange 61, and the inner flange 62 is arranged on the outer flange 61 in a clearance fit mode to form a revolute pair. The operation box 7 is rotatably connected with the second cantilever 5 through the operation box flange combination 6 so as to meet the requirements of different stations.
The cantilever rotating bearing sleeve 23 is provided with a first threaded hole 231, and the first threaded hole is fixedly connected with a first limit screw 232. The screw hole is opened to fix the limit screw.
And a first limiting groove 211 is formed in the position, opposite to the first threaded hole 231, of the cantilever rotating cover 21. The limiting groove is used for limiting the rotation angle of the first cantilever.
A second threaded hole 31 can be formed in the first cantilever 3, and the second threaded hole 31 is fixedly connected with a second limiting screw 32. The screw hole is opened to fix the limit screw.
A second limiting groove 51 can be formed in the position, opposite to the second threaded hole 31, of the second cantilever 5. The limiting groove is used for limiting the rotation angle of the first cantilever.
A third threaded hole 611 can be formed in the outer flange 61, and a third limit screw 612 is fixedly connected to the third threaded hole 611. The screw hole is opened to fix the limit screw.
And a third limiting groove 621 can be formed in the position, opposite to the third threaded hole 611, on the cylindrical surface of the inner flange 62. The limiting groove is used for limiting the rotation angle of the first cantilever.
The utility model discloses when using, only need fix the cantilever fixed bolster in the crossbeam side, be equipped with three revolute pair on the cantilever, can rotate three revolute pair when the operation and be used for satisfying the operation requirement of operator at the station difference, and the control box sets up the lower extreme at cantilever two, by flange composite connection, when letting the control box be rotatable, let partly stress apply on flange composite, cooperate two cantilever rotatable coupling, the stress for the cantilever middle part is applyed to the heavy object that has reduced the cantilever both ends, overcome because control box weight makes the cantilever slope, lead to the defect of the rotatory difficulty of cantilever.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited to the above description, and all the equivalent changes and decorations made according to the claims of the present invention should still fall within the scope covered by the present invention.
Claims (7)
1. The utility model provides a longmen cantilever structure, includes cantilever fixed bolster, cantilever rotating assembly, cantilever one, slewing ring bearing, cantilever two, control box flange combination and control box, its characterized in that: the cantilever fixing support is arranged below the cantilever I, the cantilever fixing support is rotatably connected with the cantilever through the cantilever rotating assembly, the cantilever I and the cantilever II are rotatably connected through the slewing ring bearing, and the operation box is rotatably connected with the operation box through the operation box flange assembly;
the cantilever rotating assembly comprises a cantilever rotating cover, a limiting screw, single-row tapered roller bearings, a cantilever rotating bearing sleeve and a cantilever rotating mandrel, the cantilever rotating bearing sleeve is fixed on the cantilever fixing support, the two single-row tapered roller bearings are assembled in the cantilever rotating bearing sleeve, and the cantilever rotating mandrel and the cantilever rotating cover tightly press the single-row tapered roller bearings in the cantilever rotating bearing sleeve to form a rotating pair; the rotary ring bearing comprises a large surface of the rotary ring bearing and a small surface of the rotary ring bearing, the upper part and the lower part of the joint of the cantilever I and the cantilever II are respectively fixedly provided with the rotary ring bearing, the large surface of the rotary ring bearing is fixed on the cantilever I, and the small surface of the rotary ring bearing is fixed on the cantilever II to form a revolute pair; the operation box flange combination comprises an outer flange and an inner flange, the outer flange is fixedly arranged on the second cantilever, the inner flange is fixedly arranged on the operation box, a through hole and a groove are formed in the middle of the outer flange, and the inner flange is installed on the outer flange in a clearance fit mode to form a revolute pair.
2. The gantry cantilever structure of claim 1, wherein: a first threaded hole is formed in the cantilever rotating bearing sleeve, and a first limiting screw is fixedly connected with the first threaded hole.
3. A gantry cantilever structure according to claim 2, wherein: and a first limiting groove is formed in the position, opposite to the first threaded hole, of the cantilever rotating cover.
4. The gantry cantilever structure of claim 1, wherein: a second threaded hole can be formed in the first cantilever, and the second threaded hole can be fixedly connected with a second limiting screw.
5. The gantry cantilever structure of claim 4, wherein: and a second limiting groove can be formed in the position, opposite to the threaded hole II, of the second cantilever.
6. The gantry cantilever structure of claim 1, wherein: and a third threaded hole can be formed in the outer flange, and a third limiting screw can be fixedly connected to the third threaded hole.
7. The gantry cantilever structure of claim 6, wherein: and a third limiting groove can be formed in the position, opposite to the third threaded hole, on the cylindrical surface of the inner flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415389.4U CN210196931U (en) | 2019-03-29 | 2019-03-29 | Gantry cantilever structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415389.4U CN210196931U (en) | 2019-03-29 | 2019-03-29 | Gantry cantilever structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196931U true CN210196931U (en) | 2020-03-27 |
Family
ID=69877575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920415389.4U Active CN210196931U (en) | 2019-03-29 | 2019-03-29 | Gantry cantilever structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210196931U (en) |
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2019
- 2019-03-29 CN CN201920415389.4U patent/CN210196931U/en active Active
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