CN216421587U - Press-fitting auxiliary tool for motor train unit axle box positioning node press-fitting machine - Google Patents
Press-fitting auxiliary tool for motor train unit axle box positioning node press-fitting machine Download PDFInfo
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- CN216421587U CN216421587U CN202123096568.2U CN202123096568U CN216421587U CN 216421587 U CN216421587 U CN 216421587U CN 202123096568 U CN202123096568 U CN 202123096568U CN 216421587 U CN216421587 U CN 216421587U
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Abstract
The utility model discloses a EMUs axle box location node pressure equipment machine pressure equipment auxiliary fixtures, including stop gear and complementary unit, stop gear includes base, axle box body positioner and node pressure equipment positioner, axle box body positioner, node pressure equipment positioner all install on the base, complementary unit includes two guide posts, node pressure equipment auxiliary fixtures, the guide post runs through the both ends of node pressure equipment auxiliary fixtures, the outside of guide post is provided with spliced pole, reference column and spring, the bottom embedding of spliced pole is inside the reference column, the spring is located inside the reference column, the bottom of guide post is provided with the firm post, the surface of base is provided with spacing post, be provided with two fastening screws on the base; through the cooperation use of node pressure equipment auxiliary fixtures, guide post, avoid the emergence of the unbalanced condition of pressure equipment power, avoid pulling the condition emergence on locating node and axle box hole surface.
Description
Technical Field
The utility model belongs to the technical field of the bogie maintenance is repaiied to the EMUs senior level, concretely relates to EMUs axle box location node pressure equipment auxiliary fixtures.
Background
The axle box positioning of the CRH380B motor train unit adopts a positioning mode of rotating arms and nodes, and the reliability of the axle box positioning influences the transverse and longitudinal vibration of the vehicle wheel pair. At present, when CRH380B type motor train unit axle box rotating arm node maintenance operation is carried out, the maintenance operation is completely carried out by a node press-fitting machine, due to the fact that a special auxiliary tool is lacked, the positioning node and the surface of an inner hole of an axle box are scratched when the positioning node is pressed and mounted, if stress concentration is caused by the scratch, parts are deformed and press-fitted and loosened, the comfort of passengers taking trains is slightly affected, and serious driving safety accidents are seriously caused.
When the existing motor train unit axle box positioning node press-mounting machine carries out press-mounting, the problems that the positioning node and the surface of an inner hole of an axle box are damaged by pulling, the press-mounting operation quality is low, and potential safety hazards exist are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a EMUs axle box location node pressure equipment machine pressure equipment auxiliary fixtures to the pulling that provides among the above-mentioned background art hinders location node and axle box hole surface, leads to the problem that pressure equipment operation quality is not high, there is the potential safety hazard.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a EMUs axle box location node pressure equipment machine pressure equipment auxiliary fixtures, includes stop gear and complementary unit, stop gear includes base, axle box positioner and node pressure equipment positioner, axle box positioner, node pressure equipment positioner all install on the base, complementary unit includes two guide posts, node pressure equipment auxiliary fixtures, the guide post runs through the both ends of node pressure equipment auxiliary fixtures, the outside of guide post is provided with spliced pole, reference column and spring, inside the bottom embedding reference column of spliced pole, the spring is located inside the reference column, the bottom of guide post is provided with the firm post, the surface of base is provided with spacing post, be provided with two fastening screws on the base.
Preferably, the circle center of the shaft box body positioning device and the circle center of the node press-fitting positioning device are located on the same vertical plane.
Preferably, the center of the node press-fitting auxiliary tool is coaxial with the circle center of the node press-fitting positioning device.
Preferably, the outside of guide post is provided with the bush, node pressure equipment auxiliary fixtures and guide post sliding connection.
Preferably, the connecting column is connected with the node press-fitting auxiliary tool in a welding mode, and the positioning column is connected with the base in a screwing mode through threads.
Preferably, the bottom of the stabilizing column is provided with a positioning groove for embedding the limiting column, and the fastening screw is connected with the positioning column, the limiting column and the stabilizing column in a screwing manner through threads.
Preferably, the base is of a T-shaped structure, and mounting grooves are formed in the side faces of the two ends of the base.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the guide post that sets up, node pressure equipment auxiliary fixtures, use through the cooperation of node pressure equipment auxiliary fixtures, guide post, avoid the emergence of the unbalanced condition of pressure equipment power, avoid pulling the condition emergence on locating node and axle box hole surface.
2. Through spliced pole, reference column and the spring that sets up, the spring is in the contraction status, and the spring plays the cushioning effect, makes the flexible removal of node pressure equipment auxiliary fixtures.
3. Through the fastening screw, the positioning column, the limiting column and the stabilizing column which are arranged, the fastening screw, the positioning column, the limiting column and the stabilizing column are connected in a screwing mode through threads, and the guide column and the node press-fitting auxiliary tool are convenient to disassemble and assemble.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the base of the present invention;
FIG. 3 is a schematic cross-sectional view of the base of the present invention;
in the figure: 1. a base; 2. a shaft box positioning device; 3. a guide post; 4. a bushing; 5. auxiliary tool for node press mounting; 6. a node press-mounting positioning device; 7. mounting grooves; 8. fastening screws; 9. connecting columns; 10. a positioning column; 11. a limiting column; 12. a stabilizing column; 13. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1 to 3, the present invention provides a technical solution: a press-fitting auxiliary tool for a positioning node of an axle box of a motor train unit comprises a limiting mechanism and an auxiliary mechanism, wherein the limiting mechanism comprises a base 1, an axle box body positioning device 2 and a node press-fitting positioning device 6, the axle box body positioning device 2 and the node press-fitting positioning device 6 are both arranged on the base 1, the axle box body positioning device 2 and the node press-fitting positioning device 6 play a role in positioning, and can realize quick and accurate positioning before press-fitting of an axle box rotating arm, the auxiliary mechanism comprises two guide posts 3 and a node press-fitting auxiliary tool 5, the guide posts 3 penetrate through two ends of the node press-fitting auxiliary tool 5, the occurrence of unbalanced press-fitting force is avoided through the matched use of the node press-fitting auxiliary tool 5 and the guide posts 3, a connecting post 9, a positioning post 10 and a spring 13 are arranged on the outer side of the guide posts 3, the bottom end of the connecting post 9 is embedded into the positioning post 10, and the spring 13 is positioned inside the positioning post 10, the bottom of guide post 3 is provided with firm post 12, the surface of base 1 is provided with spacing post 11, fastening screw 8 and reference column 10, spacing post 11 and firm post 12 all close the connection soon through the screw thread, the dismouting guide post 3 of being convenient for, spring 13 cover is established in the outside of guide post 3, when node pressure equipment auxiliary fixtures 5 vertical removal moves down, spring 13 plays the cushioning effect, makes node pressure equipment auxiliary fixtures 5 flexible movement, is provided with two fastening screw 8 on the base 1.
In this embodiment, the center of the shaft box body positioning device 2 and the center of the node press-fitting positioning device 6 are located on the same vertical plane, the center of the node press-fitting auxiliary tool 5 is coaxial with the center of the node press-fitting positioning device 6, so that the node press-fitting auxiliary tool 5 is over against the node press-fitting positioning device 6, the shaft box body positioning device 2 and the node press-fitting positioning device 6 play a role in positioning, and can realize quick and accurate positioning before press-fitting of the axle box rotating arm, a bush 4 is arranged on the outer side of the guide post 3, and the node press-fitting auxiliary tool 5 is slidably connected with the guide post 3.
In this embodiment, spliced pole 9 and 5 welded connection of node pressure equipment auxiliary fixtures close soon through the screw between reference column 10 and the base 1 and be connected, the dismouting reference column 10 of being convenient for, spliced pole 9 and reference column 10 sliding connection.
In this embodiment, the constant head tank that supplies spacing post 11 embedding is seted up to firm post 12 bottom, fastening screw 8 and reference column 10, spacing post 11 and firm post 12 all close the connection soon through the screw thread, the dismouting guide post 3 of being convenient for, the outside at guide post 3 is established to spring 13 cover, when 5 vertical removals of node pressure equipment auxiliary fixtures move down, spring 13 plays the cushioning effect, make 5 flexible movements of node pressure equipment auxiliary fixtures, through node pressure equipment auxiliary fixtures 5, the cooperation of guide post 3 is used, avoid the emergence of the unbalanced condition of pressure equipment power.
In this embodiment, the base 1 is a "T" shaped structure, the side surfaces of the two ends of the base 1 are both provided with mounting grooves 7, and the tooling base 1 is fixed on the worktable of the press-fitting machine through the mounting grooves 7 on the base 1.
The utility model discloses a theory of operation and use flow:
when the CRH380B type motor train unit axle box positioning node is pressed and assembled,
firstly, a fixing post 12 at the bottom end of a guide post 3 is sleeved outside a limiting post 11, a positioning post 10 at the bottom end outside a connecting post 9 is rotated, the positioning post 10 is screwed and connected with a base 1 through threads, a fastening screw 8 is rotated clockwise, the fastening screw 8 is screwed and connected with the positioning post 10, the limiting post 11 and the fixing post 12 through threads, the guide post 3 is convenient to disassemble and assemble, and the base 1 is installed on a workbench of a press-fitting machine through an installation groove 7 on the base 1;
secondly, the axle box rotating arm is conveyed to a workbench of a press-fitting machine, the axle box rotating arm is positioned before press-fitting through an axle box body positioning device 2 and a node press-fitting positioning device 6, an axle box positioning node is placed at a node mounting hole formed in the node press-fitting positioning device 6, and then a node press-fitting auxiliary tool 5 is placed on the node;
during press fitting, the node press fitting auxiliary tool 5 vertically moves downwards, the connecting column 9 is embedded into the positioning column 10, the connecting column 9 is in sliding connection with the positioning column 10, the spring 13 is in a contraction state, the spring 13 plays a role in buffering, the node press fitting auxiliary tool 5 flexibly moves, the node press fitting auxiliary tool 5 is used through cooperation of the node press fitting auxiliary tool 5 and the guide column 3, the occurrence of the unbalanced condition of press fitting force is avoided, and the node press fitting auxiliary tool 5 is taken down after press fitting is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a EMUs axle box location node pressure equipment auxiliary fixtures, includes stop gear and complementary unit, its characterized in that: the limiting mechanism comprises a base (1), a shaft box body positioning device (2) and a node press-fitting positioning device (6), the shaft box body positioning device (2) and the node press-fitting positioning device (6) are both arranged on the base (1), the auxiliary mechanism comprises two guide posts (3) and a node press-fitting auxiliary tool (5), the guide post (3) penetrates through two ends of the node press-fitting auxiliary tool (5), a connecting post (9), a positioning post (10) and a spring (13) are arranged on the outer side of the guide post (3), the bottom end of the connecting column (9) is embedded into the positioning column (10), the spring (13) is positioned in the positioning column (10), the bottom of guide post (3) is provided with firm post (12), the surface of base (1) is provided with spacing post (11), be provided with two fastening screw (8) on base (1).
2. The pressing and assembling auxiliary tool for the motor train unit axle box positioning node according to claim 1, wherein the pressing and assembling auxiliary tool comprises: the circle center of the shaft box body positioning device (2) and the circle center of the node press-fitting positioning device (6) are positioned on the same vertical plane.
3. The pressing and assembling auxiliary tool for the motor train unit axle box positioning node according to claim 1, wherein the pressing and assembling auxiliary tool comprises: the center of the node press-fitting auxiliary tool (5) is coaxial with the circle center of the node press-fitting positioning device (6).
4. The pressing and assembling auxiliary tool for the motor train unit axle box positioning node according to claim 1, wherein the pressing and assembling auxiliary tool comprises: the outer side of the guide post (3) is provided with a bushing (4), and the node press-fitting auxiliary tool (5) is connected with the guide post (3) in a sliding mode.
5. The pressing and assembling auxiliary tool for the motor train unit axle box positioning node according to claim 1, wherein the pressing and assembling auxiliary tool comprises: the connecting column (9) is connected with the node press-fitting auxiliary tool (5) in a welding mode, and the positioning column (10) is connected with the base (1) in a screwing mode through threads.
6. The pressing and assembling auxiliary tool for the motor train unit axle box positioning node according to claim 1, wherein the pressing and assembling auxiliary tool comprises: the bottom of the stabilizing column (12) is provided with a positioning groove for embedding the limiting column (11), and the fastening screw (8) is connected with the positioning column (10), the limiting column (11) and the stabilizing column (12) in a screwing manner through threads.
7. The pressing and assembling auxiliary tool for the motor train unit axle box positioning node according to claim 1, wherein the pressing and assembling auxiliary tool comprises: the base (1) is of a T-shaped structure, and mounting grooves (7) are formed in the side faces of two ends of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096568.2U CN216421587U (en) | 2021-12-10 | 2021-12-10 | Press-fitting auxiliary tool for motor train unit axle box positioning node press-fitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096568.2U CN216421587U (en) | 2021-12-10 | 2021-12-10 | Press-fitting auxiliary tool for motor train unit axle box positioning node press-fitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421587U true CN216421587U (en) | 2022-05-03 |
Family
ID=81342243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123096568.2U Active CN216421587U (en) | 2021-12-10 | 2021-12-10 | Press-fitting auxiliary tool for motor train unit axle box positioning node press-fitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421587U (en) |
-
2021
- 2021-12-10 CN CN202123096568.2U patent/CN216421587U/en active Active
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