CN219132093U - Universal shaft fixing and supporting tool - Google Patents
Universal shaft fixing and supporting tool Download PDFInfo
- Publication number
- CN219132093U CN219132093U CN202320243108.8U CN202320243108U CN219132093U CN 219132093 U CN219132093 U CN 219132093U CN 202320243108 U CN202320243108 U CN 202320243108U CN 219132093 U CN219132093 U CN 219132093U
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- chuck
- universal shaft
- screw
- semicircular
- supporting
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 3
- 230000003137 locomotive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model relates to the technical field of locomotive universal shaft overhaul, and particularly discloses a universal shaft fixing and supporting tool, which comprises a supporting seat and a semicircular chuck, wherein a V-shaped groove is formed in the middle of the supporting seat, a universal shaft is supported in the V-shaped groove, U-shaped grooves are formed in two sides of the supporting seat, the U-shaped grooves are connected with two ends of the semicircular chuck, the top of the semicircular chuck is connected with a chuck screw rod, the chuck screw rod is propped against the top of the universal shaft, and three-point clamping on the universal shaft is formed by the chuck screw rod and two inner walls of the V-shaped groove; the universal shaft fixing and supporting tool designed by the utility model adopts a chuck screw rod and two inner wall three-point positioning and clamping mode of a V-shaped groove, and has minimal influence on a rotating surface and dynamic balance of the universal shaft; 2 or more supporting and fixing tools are arranged according to the length of the universal shaft, so that bending deformation of the universal shaft caused by improper support in the process of overhauling or storing can be avoided; can support and fix with high efficiency and no damage, and greatly reduce labor intensity.
Description
Technical Field
The utility model relates to the technical field of locomotive universal shaft overhaul, in particular to a universal shaft fixing and supporting tool.
Background
The flanges and the shaft forks at two ends of the universal shaft of the locomotive are large in rotation radius, the universal shaft is directly stored on the overhaul platform, the flanges and the shaft forks at two ends of the universal shaft are directly stressed, and bending deformation of the flanges and the shaft forks is easily caused during overhaul. When the existing universal shaft is overhauled, a shaft body of the universal shaft is clamped by a bench vice to be fixed, two points of cylindrical surfaces such as a spline shaft and a shaft sleeve of the universal shaft are stressed, and the hollow spline sleeve is stressed to deform so as to influence the dynamic balance of the universal shaft. Therefore, there is an urgent need to design a cardan shaft fixing and supporting tool capable of being clamped by three points of stress, so as to solve the problem that the cardan shaft is easy to deform to affect dynamic balance when the cardan shaft is clamped by a bench vice in the existing cardan shaft maintenance platform.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a universal shaft fixing and supporting tool.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a cardan shaft fixed support instrument, includes supporting seat and semi-circular chuck, the supporting seat middle part is equipped with "V" type groove, "V" type inslot support cardan shaft, and the both sides of supporting seat all are equipped with "U" type groove, "U" type groove connection semi-circular chuck's both ends, and semi-circular chuck top silk connects the chuck lead screw, and the chuck lead screw top is at the top of cardan shaft for two inner walls in chuck lead screw and "V" type groove form the three-point clamp to the cardan shaft.
Specifically, the bottom of the supporting seat is fixed on the universal shaft overhauling platform, and the supporting seat and the semicircular chuck are at least provided with two groups on the universal shaft overhauling platform.
Specifically, two ends of the semicircular chuck are inserted into the U-shaped groove, the same through holes are formed in the two side plates of the U-shaped groove and two ends of the semicircular chuck, pin shafts are inserted into the through holes, and the semicircular chuck is mounted on the supporting seat through the pin shafts.
Specifically, a vertical nut seat is welded at the top of the semicircular chuck, a chuck screw is connected with an inner thread of the nut seat, and a universal shaft is tightly propped against the bottom of the chuck screw.
Specifically, lead screw rings are welded at the tops of the chuck lead screws, steel rods are inserted into holes of the lead screw rings, and the chuck lead screws are loosened by rotating the steel rods.
The utility model has the following beneficial effects:
the universal shaft fixing and supporting tool designed by the utility model adopts a chuck screw rod and two inner wall three-point positioning and clamping mode of a V-shaped groove, and has minimal influence on a rotating surface and dynamic balance of the universal shaft; 2 or more supporting and fixing tools are arranged according to the length of the universal shaft, so that bending deformation of the universal shaft caused by improper support in the process of overhauling or storing can be avoided; can support and fix with high efficiency and no damage, and greatly reduce labor intensity.
Drawings
Fig. 1 is a schematic view of the structure of a cardan shaft-fixed supporting tool.
Fig. 2 is a cross-sectional view taken along A-A in fig. 1.
In the figure: 1-supporting seat, 1.1-V-shaped groove, 1.2-U-shaped groove and 1.3-pin shaft;
2-semicircular chucks, 2.1-chuck screws, 2.2-screw lifting rings and 2.3-nut seats;
3-cardan shaft.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described in further detail below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-2, a universal shaft fixing and supporting tool comprises a supporting seat 1 and a semicircular chuck 2, wherein the bottom of the supporting seat 1 is fixed on a universal shaft maintenance platform, and at least two groups of supporting seats 1 and semicircular chucks 2 are arranged on the universal shaft maintenance platform.
The supporting seat 1 comprises a V-shaped groove 1.1 and two U-shaped grooves 1.2, the middle part of the supporting seat 1 is provided with the V-shaped groove 1.1, the universal shaft 3 is supported in the V-shaped groove 1.1, both sides of the supporting seat 1 are provided with the U-shaped grooves 1.2, and the U-shaped grooves 1.2 are connected with both ends of the semicircular chuck 2. The centering alignment of the universal shaft 3 during clamping can be automatically completed by the V-shaped included angle of the V-shaped groove 1.1, and the semicircular chuck 2 at the upper part is connected by the pin shaft 1.3, so that the operation is simple, convenient and quick.
The semicircular chuck 2 comprises a chuck screw 2.1, a screw lifting ring 2.2 and a nut seat 2.3, wherein two ends of the semicircular chuck 2 are inserted into U-shaped grooves 1.2, two side plates of the U-shaped grooves 1.2 and two ends of the semicircular chuck 2 are respectively provided with the same through holes, pin shafts 1.3 are inserted into the through holes, and the pin shafts 1.3 are used for installing the semicircular chuck 2 on the supporting seat 1.
The top of the semicircular chuck 2 is connected with the chuck screw rod 2.1 in a threaded manner, the vertical nut seat 2.3 is welded at the top of the semicircular chuck 2, the chuck screw rod 2.1 is connected with the inner wire of the nut seat 2.3, the universal shaft 3 is tightly propped against the bottom of the chuck screw rod 2.1, and the two inner walls of the chuck screw rod 2.1 and the V-shaped groove 1.1 are used for forming three-point clamping on the universal shaft 3. The support, the stop and the centering alignment of the universal shaft 3 are realized; by means of reasonable arrangement of the tool, bending-proof support of the universal shaft is achieved. Compared with a two-point clamping mode, the three-point clamping mode has the advantages that the deformation of the rotary cylindrical surface of the universal shaft 3 after clamping is small, the circle runout is small, and the follow-up dynamic balance test and adjustment are facilitated.
The top of the chuck screw 2.1 is welded with a screw lifting ring 2.2, a steel rod is inserted into a hole of the screw lifting ring 2.2 and used for controlling the rotation of the chuck screw 2.1 by manually rotating the steel rod, so that the chuck screw 2.1 is loosened.
The working principle of the utility model is as follows: on the universal shaft maintenance platform, 2 sets or more sets of tools are arranged according to the length of the universal shaft 3, the universal shaft 3 is hung on the tool supporting seat 1, the semicircular chuck 2 is buckled, the connecting pin shaft 1.3 is worn, the chuck screw rod 2.1 is twisted, and the supporting and fixing of the universal shaft 3 are completed. The device is simple to operate and efficient to use.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (5)
1. The utility model provides a cardan shaft fixed support instrument, its characterized in that includes supporting seat and semi-circular chuck, the supporting seat middle part is equipped with "V" type groove, "V" type inslot and supports the cardan shaft, and the both sides of supporting seat all are equipped with "U" type groove, "U" type groove connection semi-circular chuck's both ends, and semi-circular chuck top silk connects the chuck lead screw, and the chuck lead screw top is at the top of cardan shaft for two inner walls in chuck lead screw and "V" type groove form the three-point clamp to the cardan shaft.
2. The tool of claim 1, wherein the base of the support base is fixed to a universal shaft service platform, and the support base and the semi-circular collet are mounted to at least two sets of the universal shaft service platform.
3. The universal shaft fixing and supporting tool according to claim 1, wherein two ends of the semicircular chuck are inserted into the U-shaped groove, the same through holes are formed in two side plates of the U-shaped groove and two ends of the semicircular chuck, pin shafts are inserted into the through holes, and the semicircular chuck is mounted on the supporting seat through the pin shafts.
4. The universal shaft fixing and supporting tool according to claim 1, wherein a vertical nut seat is welded at the top of the semicircular chuck, a chuck screw is screwed in the nut seat, and the bottom of the chuck screw abuts against the universal shaft.
5. The universal shaft fixing and supporting tool according to claim 1, wherein the top of the chuck screw is welded with a screw lifting ring, and a steel rod is inserted into a hole of the screw lifting ring for loosening and loosening the chuck screw by rotating the steel rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243108.8U CN219132093U (en) | 2023-02-17 | 2023-02-17 | Universal shaft fixing and supporting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243108.8U CN219132093U (en) | 2023-02-17 | 2023-02-17 | Universal shaft fixing and supporting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219132093U true CN219132093U (en) | 2023-06-06 |
Family
ID=86591837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320243108.8U Active CN219132093U (en) | 2023-02-17 | 2023-02-17 | Universal shaft fixing and supporting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219132093U (en) |
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2023
- 2023-02-17 CN CN202320243108.8U patent/CN219132093U/en active Active
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