CN214291662U - High concentricity excavator gyration supporting seat concentricity keeps frock - Google Patents
High concentricity excavator gyration supporting seat concentricity keeps frock Download PDFInfo
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- CN214291662U CN214291662U CN202023292535.0U CN202023292535U CN214291662U CN 214291662 U CN214291662 U CN 214291662U CN 202023292535 U CN202023292535 U CN 202023292535U CN 214291662 U CN214291662 U CN 214291662U
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Abstract
The utility model belongs to excavator production field, concretely relates to high concentricity excavator gyration supporting seat concentricity keeps frock, including workstation, rotation center positioning mechanism, a plurality of interior positioning mechanism and a plurality of crown plate positioning seat, rotation center positioning mechanism includes central locating plate and spanner, interior positioning mechanism installs guide holder, interior locating piece on the workstation including the cooperation, location step has on the crown plate positioning seat, location step is used for supporting the bottom of supporting seat crown plate and fixes a position the lateral part of supporting seat crown plate. The utility model relates to a rationally, the structure is ingenious, supports and fixes a position the supporting seat crown plate through the crown plate positioning seat, fixes a position the supporting seat drum through rotation center positioning mechanism and interior positioning mechanism, can guarantee the concentricity of supporting seat crown plate and supporting seat drum, compares more convenient, the accuracy that the naked eye judgement concentricity comes.
Description
Technical Field
The utility model belongs to excavator production field, concretely relates to high concentricity excavator gyration supporting seat concentricity keeps frock.
Background
The gyration supporting seat is that it is formed by the welding of supporting seat drum 5 and supporting seat crown plate 7 of the important accessory of excavator, in welding process, need guarantee the concentricity between supporting seat drum 5 and the supporting seat crown plate 7, prior art generally leans on the naked eye to judge, and is accurate inadequately, and efficiency is also high inadequately.
SUMMERY OF THE UTILITY MODEL
In order to compensate for the defects of the prior art, the utility model provides a frock technical scheme is kept to high concentricity excavator gyration supporting seat concentricity.
A high concentricity excavator gyration supporting seat concentricity keep frock, its characterized in that includes
A work table;
the rotary center positioning mechanism comprises a center positioning plate rotatably arranged on the workbench and a wrench used for driving the center positioning plate to rotate, a plurality of circular arc convex edges are annularly distributed on the whole body of the center positioning plate, and inward-contracting steps are formed between adjacent circular arc convex edges, so that the distance from each circular arc convex edge to the center of the center positioning plate in a clockwise direction or an anticlockwise direction is gradually increased;
the inner positioning mechanism is provided with a plurality of arc-shaped convex edges which correspond to the arc-shaped convex edges of the central positioning plate one by one, the plurality of inner positioning mechanisms are annularly distributed on the periphery of the central positioning plate and comprise guide seats which are installed on the workbench in a matched mode and inner positioning blocks which are matched on the guide seats in a sliding mode, and when the central positioning plate rotates, the arc-shaped convex edges of the central positioning plate can extrude the inner positioning blocks, so that the inner positioning blocks move outwards and the inner wall of the supporting seat cylinder is positioned; and
the ring plate positioning seat is provided with a plurality of ring plate positioning seats which are annularly distributed around the central positioning plate, the distance between the ring plate positioning seat and the center of the central positioning plate is greater than the distance between the inner positioning mechanism and the center of the central positioning plate, and the ring plate positioning seat is provided with positioning steps which are used for supporting the bottom of the supporting seat ring plate and positioning the side part of the supporting seat ring plate.
The concentricity maintaining tool for the rotation supporting seat of the high-concentricity excavator is characterized in that the inner positioning mechanism corresponds to the ring plate positioning seats one by one.
The concentricity maintaining tool for the rotation supporting seat of the high-concentricity excavator is characterized in that the guide seat comprises two side plates, a top plate and a supporting plate are fixedly installed between the two side plates from top to bottom respectively, and a guide cavity in sliding fit with the inner positioning block is formed between the top plate and the supporting plate.
The concentricity maintaining tool for the rotation supporting seat of the high-concentricity excavator is characterized in that the inner positioning block comprises an inner positioning block inner section close to the central positioning plate and an inner positioning block outer section far away from the central positioning plate, and the inner positioning block inner section is in hinged fit with the inner positioning block outer section.
The concentricity maintaining tool for the rotary supporting seat of the high-concentricity excavator is characterized in that a handle is arranged on the outer section of the inner positioning block.
The concentricity maintaining tool for the rotary supporting seat of the high-concentricity excavator is characterized in that the central positioning plate is rotatably arranged on a workbench through a rotating shaft, and the lower end of the rotating shaft penetrates through the table top of the workbench and is fixedly matched with a wrench.
The utility model relates to a rationally, the structure is ingenious, supports and fixes a position the supporting seat crown plate through the crown plate positioning seat, fixes a position the supporting seat drum through rotation center positioning mechanism and interior positioning mechanism, can guarantee the concentricity of supporting seat crown plate and supporting seat drum, compares more convenient, the accuracy that the naked eye judgement concentricity comes.
Drawings
FIG. 1 is a schematic view of a rotary support seat in the prior art;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention;
fig. 4 is a schematic view of a part of the structure of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity 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.
The present invention will be further explained with reference to the accompanying drawings.
As shown in the figure, the concentricity maintaining tool for the rotary supporting seat of the high-concentricity excavator comprises
A work table 1;
the rotary center positioning mechanism comprises a center positioning plate 2 rotatably arranged on the workbench 1 and a wrench 9 for driving the center positioning plate 2 to rotate, a plurality of arc convex edges 200 are annularly distributed on the circumference of the center positioning plate 2, and an inward-contracting step 201 is formed between every two adjacent arc convex edges 200, so that the distance from each arc convex edge 200 to the center of the center positioning plate 2 in a clockwise direction or an anticlockwise direction is gradually increased;
the positioning device comprises a plurality of inner positioning mechanisms, a plurality of positioning mechanisms and a supporting base, wherein the inner positioning mechanisms are arranged around a central positioning plate 2 and comprise a guide base 3 which is arranged on a workbench 1 in a matched mode and inner positioning blocks 4 which are matched on the guide base 3 in a sliding mode, and when the central positioning plate 2 rotates, the inner positioning blocks 4 can be extruded by the arc convex edges 200 of the central positioning plate 2, so that the inner positioning blocks 4 move outwards and the inner wall of a supporting base cylinder 5 is positioned; and
the supporting seat comprises a ring plate positioning seat 6, wherein the ring plate positioning seat 6 is provided with a plurality of rings and is annularly distributed around a central positioning plate 2, the distance between the ring plate positioning seat 6 and the center of the central positioning plate 2 is larger than the distance between an internal positioning mechanism and the center of the central positioning plate 2, a positioning step 600 is arranged on the ring plate positioning seat 6, and the positioning step 600 is used for supporting the bottom of a supporting seat ring plate 7 and positioning the side part of the supporting seat ring plate 7.
As an optimization: the inner positioning mechanism corresponds to the ring plate positioning seats 6 one by one, and the ring plate positioning seats 6 are positioned on the outer side of the inner positioning mechanism.
As an optimization: the guide holder 3 comprises two side plates 300, a top plate 301 and a supporting plate 302 are respectively fixedly mounted between the two side plates 300 from top to bottom, and a guide cavity used for being in sliding fit with the inner positioning block 4 is formed between the top plate 301 and the supporting plate 302. Wherein the length of the top plate 301 is approximately half the length of the support plate 302.
As an optimization: the inner positioning block 4 comprises an inner positioning block inner section 400 close to the central positioning plate 2 and an inner positioning block outer section 401 far away from the central positioning plate 2, and the inner positioning block inner section 400 is in hinged fit with the inner positioning block outer section 401. The inner positioning block inner section 400 is hinged to the inner positioning block outer section 401 to fold the inner positioning block outer section 401 up for loading into a workpiece.
Further, a handle 402 is arranged on the outer section 401 of the inner positioning block, and the handle 402 is convenient to operate.
Further, the center positioning plate 2 is rotatably installed on the workbench 1 through a rotating shaft 8, and the lower end of the rotating shaft 8 penetrates through the table top of the workbench 1 and is fixedly matched with the wrench 9. Specifically, the rotating shaft 8 and the workbench 1 are mounted through a bearing, and the wrench 9 is located at the bottom of the table top of the workbench 1, so that the operation is convenient.
During the use, place supporting seat crown plate 7 on crown plate positioning seat 6 earlier, utilize the location step 600 of all crown plate positioning seats 6 to support supporting seat crown plate 7 and fix a position, then put supporting seat ring 5 on supporting seat ring 7, rotate spanner 9 again, spanner 9 drives central locating plate 2 through pivot 8 and rotates, when central locating plate 2 is rotatory, locating piece 4 in the circular arc chimb 200 of central locating plate 2 can be extrudeed, make interior locating piece 4 remove outwards and fix a position supporting seat 5 inner wall, utilize interior locating piece 4 of a plurality of ring cloth to fix a position all around of 5 inner walls of bearing seat drum, can guarantee the concentricity of bearing seat drum 5 and supporting seat ring 7, carry out weldment work at last.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. High concentricity excavator gyration supporting seat concentricity keeps frock, its characterized in that includes
A work table;
the rotary center positioning mechanism comprises a center positioning plate rotatably arranged on the workbench and a wrench used for driving the center positioning plate to rotate, a plurality of circular arc convex edges are annularly distributed on the whole body of the center positioning plate, and inward-contracting steps are formed between adjacent circular arc convex edges, so that the distance from each circular arc convex edge to the center of the center positioning plate in a clockwise direction or an anticlockwise direction is gradually increased;
the inner positioning mechanism is provided with a plurality of arc-shaped convex edges which correspond to the arc-shaped convex edges of the central positioning plate one by one, the plurality of inner positioning mechanisms are annularly distributed on the periphery of the central positioning plate and comprise guide seats which are installed on the workbench in a matched mode and inner positioning blocks which are matched on the guide seats in a sliding mode, and when the central positioning plate rotates, the arc-shaped convex edges of the central positioning plate can extrude the inner positioning blocks, so that the inner positioning blocks move outwards and the inner wall of the supporting seat cylinder is positioned; and
the ring plate positioning seat is provided with a plurality of ring plate positioning seats which are annularly distributed around the central positioning plate, the distance between the ring plate positioning seat and the center of the central positioning plate is greater than the distance between the inner positioning mechanism and the center of the central positioning plate, and the ring plate positioning seat is provided with positioning steps which are used for supporting the bottom of the supporting seat ring plate and positioning the side part of the supporting seat ring plate.
2. The concentricity retaining tool for the slewing bearing seat of the high-concentricity excavator according to claim 1, wherein the inner positioning mechanism corresponds to the ring plate positioning seats one to one.
3. The concentricity maintaining tool for the slewing bearing seat of the high-concentricity excavator according to claim 1, wherein the guide seat comprises two side plates, a top plate and a supporting plate are respectively and fixedly arranged between the two side plates from top to bottom, and a guide cavity which is in sliding fit with the inner positioning block is formed between the top plate and the supporting plate.
4. The concentricity retaining tool for the slewing support seat of the high-concentricity excavator according to claim 1, wherein the inner positioning block comprises an inner positioning block inner section close to the center positioning plate and an inner positioning block outer section far away from the center positioning plate, and the inner positioning block inner section is in hinged fit with the inner positioning block outer section.
5. The concentricity retaining tool for the slewing support seat of the high-concentricity excavator according to claim 4, wherein a handle is arranged on an outer section of the inner positioning block.
6. The concentricity retaining tool for the slewing support seat of the high-concentricity excavator according to claim 1, wherein the center positioning plate is rotatably mounted on the workbench through a rotating shaft, and the lower end of the rotating shaft penetrates through the table top of the workbench and is fixedly matched with the wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023292535.0U CN214291662U (en) | 2020-12-30 | 2020-12-30 | High concentricity excavator gyration supporting seat concentricity keeps frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023292535.0U CN214291662U (en) | 2020-12-30 | 2020-12-30 | High concentricity excavator gyration supporting seat concentricity keeps frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214291662U true CN214291662U (en) | 2021-09-28 |
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ID=77821497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023292535.0U Active CN214291662U (en) | 2020-12-30 | 2020-12-30 | High concentricity excavator gyration supporting seat concentricity keeps frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214291662U (en) |
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2020
- 2020-12-30 CN CN202023292535.0U patent/CN214291662U/en active Active
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