CN211889899U - Gear box processing positioner under high-speed railway - Google Patents
Gear box processing positioner under high-speed railway Download PDFInfo
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- CN211889899U CN211889899U CN201921990170.3U CN201921990170U CN211889899U CN 211889899 U CN211889899 U CN 211889899U CN 201921990170 U CN201921990170 U CN 201921990170U CN 211889899 U CN211889899 U CN 211889899U
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Abstract
The utility model relates to a gear box processing positioner under high-speed railway, including base, heavy-calibre support unit and small-bore support unit, the equal fixed mounting of heavy-calibre support unit and small-bore support unit still is equipped with closing device on the base, and closing device includes first closing device and second closing device, and first closing device and second closing device structure are the same, and first closing device sets up in the circular arc of heavy-calibre support unit, and second closing device sets up in small-bore support unit. The utility model aims at overcoming the defect that prior art exists, providing a simple structure, gear box processing positioner under the effectual high-speed railway of fastening location.
Description
Technical Field
The utility model belongs to the technical field of high-speed railway parts machining and specifically relates to a gear box processing positioner under high-speed railway.
Background
The gear box for the high-speed rail is complex in structure, and when the gear box is used for milling the surface of the high-speed rail in the later period, the high-speed rail is fixed and is more troublesome when punching and machining are carried out, and a special machining positioning device is not arranged at present, so that in the process of punching and machining the milled surface, the flatness of the end surface and the punching precision can not be guaranteed, and the gear box is formed by combining an upper gear box and a lower gear box, and the upper gear box and the lower gear box are different in structure, so that different machining positioning devices are needed. Therefore, it is necessary to design a machining and positioning device for the lower gearbox of the high-speed rail, which has a simple structure and a good fastening and positioning effect.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, providing a simple structure, gear box processing positioner under the effectual high-speed railway of fastening location.
Realize the utility model discloses the technical scheme of purpose is: a high-speed rail lower gearbox machining positioning device comprises a base, a large-caliber supporting unit and a small-caliber supporting unit; the large-caliber supporting unit and the small-caliber supporting unit are both fixedly arranged on the base; the base is also provided with a pressing device; the pressing device comprises a first pressing device and a second pressing device; the first pressing device and the second pressing device have the same structure; the first pressing device is arranged in an arc of the large-caliber supporting unit; the second pressing device is arranged in the small-caliber supporting unit.
Further, the heavy-calibre support unit contains semi-circular brace table and support column, semi-circular brace table passes through bolt locking to be fixed on the support column, the support column passes through welded fastening on the base.
Furthermore, a semicircular boss is arranged on the semicircular support platform, and the outer diameter of the semicircular boss is the same as the inner diameter of the large caliber of the workpiece.
Further, the small-diameter support unit comprises a circular support platform and a support column, and the circular support platform is fixedly mounted on the support column through bolt locking.
Furthermore, a circular boss is arranged on the circular support platform, the outer diameter of the circular boss is the same as the small-caliber inner diameter of the workpiece, and a sliding groove is formed in the circular support platform.
Furthermore, a tensioning device is arranged on the base and is arranged on the small-caliber supporting unit.
Further, the tensioning device comprises a tensioning block and a rotating arm, the two ends of the rotating arm are movably connected with the tensioning block through threads, and a fixing block is fixedly welded in the middle of the rotating arm.
Furthermore, the first pressing device is composed of a screw rod, a pressing nut and a pressing block, the pressing nut is in threaded connection with the screw rod, and the pressing block is clamped with the pressing nut.
Furthermore, the upper end of the compression nut is a hexagon nut, the lower end of the compression nut is a circular fixture block, a cylindrical barrel is arranged between the hexagon nut and the circular fixture block for transition, and the hexagon nut, the cylindrical barrel and the circular fixture block are integrally formed.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) the utility model discloses first closing device can compress tightly fixedly to the heavy-calibre semicircle of lower gear box, and second closing device can compress tightly fixedly to the small-bore circular arc on the lower gear box, and gland nut's nimble setting can adjust its quantity according to the demand, and all the blocks have a briquetting on every gland nut, and the briquetting is detachable, convenient operation.
(2) The utility model discloses tight device that rises can rise to the small-bore of lower gear box and tightly for lower gear box can not produce the displacement around at the in-process of processing.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the pressing device of the present invention;
FIG. 3 is a schematic structural view of the screw and the gland nut of the present invention;
fig. 4 is a top view of the pressing device of the present invention;
FIG. 5 is a cross-sectional view of the circular support table of the present invention;
fig. 6 is a schematic structural view of the tensioning device of the present invention;
fig. 7 is a schematic view of the workpiece structure of the present invention.
The reference numbers in the drawings are as follows: the device comprises a base 1, a large-caliber supporting unit 2, a semicircular supporting table 21, a supporting column 22, a semicircular boss 211, a small-caliber supporting unit 3, a circular supporting table 31, a circular boss 311, a first pressing device 4, a screw rod 41, a pressing nut 42, a pressing block 43, a second pressing device 5, a tensioning device 6, a tensioning block 61, a fixing block 62, a rotating arm 63, a sliding groove 64, a hexagonal nut 421 and a circular clamping block 422.
Detailed Description
(example 1)
Referring to fig. 1 to 7, the utility model comprises a base 1, a large-caliber support unit 2 and a small-caliber support unit 3, wherein the large-caliber support unit 2 and the small-caliber support unit 3 are both fixedly arranged on the base 1, the large-caliber supporting unit 2 comprises a semicircular supporting table 21 and a supporting column 22, the semicircular supporting table 21 is locked and fixed on the supporting column 22 through a bolt, the supporting column 22 is fixed on the base 1 through welding, a semicircular boss 211 is arranged on the semicircular supporting table 21, the outer diameter of the semicircular boss 211 is the same as the inner diameter of a large caliber of a workpiece, the small-caliber supporting unit 3 comprises a circular supporting table 31 and a supporting column, the circular supporting table 31 is fixedly installed on the supporting column through the bolt locking, a circular boss 311 is arranged on the circular supporting table 31, the outer diameter of the circular boss 311 is the same as the inner diameter of a small caliber of the workpiece, and a; the base 1 is also provided with a pressing device, the pressing device comprises a first pressing device 4 and a second pressing device 5, the first pressing device 4 and the second pressing device 5 are identical in structure, the first pressing device 4 is arranged in an arc of the large-caliber supporting unit 2, and the second pressing device 5 is arranged in the small-caliber supporting unit 3; specifically, the first pressing device 4 is composed of a screw rod 41, a pressing nut 42 and a pressing block 43, the pressing nut 42 is in threaded connection with the screw rod 41, the pressing block 43 is clamped with the pressing nut 42, the upper end of the pressing nut 42 is provided with a hexagonal nut 421, the lower end of the pressing nut 42 is provided with a circular clamping block 422, a cylindrical barrel is arranged between the hexagonal nut 421 and the circular clamping block 422 for transition, and the hexagonal nut 421, the cylindrical barrel and the circular clamping block 422 are integrally formed; the base 1 is further provided with a tensioning device 6, the tensioning device 6 is arranged on the small-caliber supporting unit 3, the tensioning device 6 comprises a tensioning block 61 and a rotating arm 63, two ends of the rotating arm 63 are movably connected with the tensioning block 61 through threads, a fixing block 62 is fixedly welded in the middle of the rotating arm 63, the fixing block 62 is rotated, and the tensioning block 61 moves radially along a sliding groove 64 under the action of threads.
The utility model discloses a theory of operation does: when fixed, earlier place the heavy-calibre support unit 2 on the work piece (be the box under the gear box for the high-speed railway) through this end of heavy-calibre semicircle, small-calibre one end is placed on small-calibre support unit 3, compress tightly fixedly through first closing device 4 to the heavy-calibre semicircle part afterwards, can all compress tightly fixedly to upper and lower two-layer heavy-calibre semicircle according to the demand, the lower floor small-calibre hole of this end of small-calibre carries out radial ascending fixed to the processing work piece of generation through rising tight device 6, cooperate the second closing device 5 again with the work piece less can, just can fix two processing of generation afterwards.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a gear box processing positioner under high-speed railway which characterized in that: comprises a base (1), a large-caliber supporting unit (2) and a small-caliber supporting unit (3); the large-caliber supporting unit (2) and the small-caliber supporting unit (3) are both fixedly arranged on the base (1); the base (1) is also provided with a pressing device; the pressing device comprises a first pressing device (4) and a second pressing device (5); the first pressing device (4) and the second pressing device (5) have the same structure; the first pressing device (4) is arranged in an arc of the large-caliber supporting unit (2); the second pressing device (5) is arranged in the small-caliber supporting unit (3).
2. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 1, wherein: the large-caliber supporting unit (2) comprises a semicircular supporting platform (21) and a supporting column (22), and the semicircular supporting platform (21) is locked and fixed on the supporting column (22) through a bolt; the supporting column (22) is fixed on the base (1) through welding.
3. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 2, wherein: a semicircular boss (211) is arranged on the semicircular supporting platform (21); the outer diameter of the semicircular boss (211) is the same as the inner diameter of the large caliber of the workpiece.
4. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 1, wherein: the small-caliber supporting unit (3) comprises a circular supporting platform (31) and a supporting column, and the circular supporting platform (31) is fixedly installed on the supporting column through bolt locking.
5. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 4, wherein: the circular support platform (31) is provided with a circular boss (311), the outer diameter of the circular boss (311) is the same as the small-caliber inner diameter of a workpiece, and the circular support platform (31) is provided with a sliding groove (64).
6. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 1, wherein: the base (1) is further provided with a tensioning device (6), and the tensioning device (6) is arranged on the small-caliber supporting unit (3).
7. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 6, wherein: the tensioning device (6) comprises a tensioning block (61) and a rotating arm (63), the rotating arm (63) is movably connected with the tensioning block (61) through threads at two ends, and a fixing block (62) is fixedly welded in the middle of the rotating arm (63).
8. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 1, wherein: the first pressing device (4) is composed of a screw rod (41), a pressing nut (42) and a pressing block (43), the screw thread of the pressing nut (42) is in threaded connection with the screw rod (41), and the pressing block (43) is clamped with the pressing nut (42).
9. The machining positioning device for the lower gearbox of the high-speed rail as claimed in claim 8, wherein: the upper end of the compression nut (42) is provided with a hexagonal nut (421), the lower end of the compression nut is provided with a circular fixture block (422), a cylindrical barrel is arranged between the hexagonal nut (421) and the circular fixture block (422) for transition, and the hexagonal nut (421), the cylindrical barrel and the circular fixture block (422) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990170.3U CN211889899U (en) | 2019-11-18 | 2019-11-18 | Gear box processing positioner under high-speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990170.3U CN211889899U (en) | 2019-11-18 | 2019-11-18 | Gear box processing positioner under high-speed railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211889899U true CN211889899U (en) | 2020-11-10 |
Family
ID=73300129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990170.3U Active CN211889899U (en) | 2019-11-18 | 2019-11-18 | Gear box processing positioner under high-speed railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211889899U (en) |
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2019
- 2019-11-18 CN CN201921990170.3U patent/CN211889899U/en active Active
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