CN217575213U - Novel rail vehicle parking hand braking structure - Google Patents
Novel rail vehicle parking hand braking structure Download PDFInfo
- Publication number
- CN217575213U CN217575213U CN202220932623.2U CN202220932623U CN217575213U CN 217575213 U CN217575213 U CN 217575213U CN 202220932623 U CN202220932623 U CN 202220932623U CN 217575213 U CN217575213 U CN 217575213U
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- transmission shaft
- nut
- bevel gear
- circular gear
- lateral surface
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Abstract
The utility model discloses a novel rail vehicle parks hand braking structure, including the hand wheel, the one end and the first transmission shaft of hand wheel are connected, and the tail end of first transmission shaft is provided with initiative bevel gear, and one side meshing of initiative bevel gear is connected with driven bevel gear, and driven bevel gear's one end is provided with the second transmission shaft, the lateral surface of second transmission shaft has cup jointed initiative circular gear, and the bilateral symmetry of second transmission shaft is provided with the third transmission shaft, and the lateral surface of third transmission shaft has cup jointed driven circular gear, initiative circular gear is connected with driven circular gear meshing, the lower extreme of third transmission shaft is provided with the lead screw, and the lateral surface threaded connection of lead screw has the nut, be provided with the tie point that is used for connecting load on the nut, this novel rail vehicle parks hand braking structure can make the nut atress even, improves the smoothness nature that the nut removed, has improved the convenience of use greatly.
Description
Technical Field
The utility model relates to a hand brake technical field specifically is a novel rail vehicle parks hand brake structure.
Background
In order to prevent the vehicle from sliding after the vehicle is stopped, the manual brake needs to be manually applied to the vehicle to apply parking brake, the manual brake is an operating mechanism for applying the manual brake to the rail transit vehicle, is an important functional component for parking brake and shunting operation, and is widely applied to railway vehicles.
The existing parking hand brake is mainly divided into three structures, namely a worm gear transmission hand brake, a bevel gear lead screw nut transmission hand brake and a gear ratchet transmission hand brake, wherein the bevel gear lead screw nut transmission hand brake is a hand brake which is applied more in recent years, the existing bevel gear lead screw nut transmission hand brake has the problem that a guide rod bears lateral force when working, the guide rod can not bear certain radial load, the larger the load is, the larger the radial load is, the stress of the nut is uneven, and the phenomenon of clamping stagnation in the transmission process is easily caused.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel rail vehicle parks hand braking structure, can be so that the nut atress is even, improve the smoothness nature that the nut removed, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel rail vehicle parks hand braking structure, includes the hand wheel, and the one end and the first transmission shaft of hand wheel are connected, and the tail end of first transmission shaft is provided with initiative bevel gear, and one side meshing of initiative bevel gear is connected with driven bevel gear, and driven bevel gear's one end is provided with the secondary drive axle, the lateral surface of secondary drive axle has cup jointed initiative circular gear, and the bilateral symmetry of secondary drive axle is provided with the third transmission shaft, and the lateral surface of third transmission shaft has cup jointed driven circular gear, initiative circular gear is connected with driven circular gear meshing, the lower extreme of third transmission shaft is provided with the lead screw, and the lateral surface threaded connection of lead screw has the nut, be provided with the tie point that is used for connecting load on the nut.
As an optimal technical scheme of the utility model, the same nut of two common threaded connection of lead screw.
As an optimized technical scheme of the utility model, the quantity of tie point is one, and a tie point setting is in the lower extreme intermediate position of nut.
As a preferred technical scheme of the utility model, the quantity of tie point is two, and two tie point symmetries set up the lower extreme at the nut.
As a preferred technical scheme of the utility model, the quantity of tie point is two, and two tie point symmetries set up the both sides at the nut.
Compared with the prior art, the beneficial effects of the utility model are that: this novel rail vehicle parks hand braking structural design is reasonable, and convenient operation can improve the smoothness nature of load removal process greatly, and at original structural cancellation guide arm, through merging into a whole nut with two nuts, two lead screws of cooperation simultaneously guarantee that the nut is balanced at removal in-process atress, avoid appearing the phenomenon of jamming, and two lead screws play the guide effect simultaneously, have improved the convenience in use greatly.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of the single output of the present invention;
FIG. 3 is a schematic diagram of the present invention with dual outputs;
fig. 4 is another schematic diagram of the dual output of the present invention.
In the figure: the device comprises a hand wheel 1, a driving bevel gear 2, a driven bevel gear 3, a first transmission shaft 4, a second transmission shaft 5, a driving circular gear 6, a driven circular gear 7, a lead screw 8, a nut 9, a connecting point 10 and a third transmission shaft 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 (for convenience of description and understanding, the following description is made with the upper side of fig. 1 as the upper side). Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel rail vehicle parks hand braking structure, including hand wheel 1, the one end of hand wheel 1 is connected with first transmission shaft 4, the tail end of first transmission shaft 4 is provided with drive bevel gear 2, one side meshing of drive bevel gear 2 is connected with driven bevel gear 3, driven bevel gear 3's one end is provided with second transmission shaft 5, drive circular gear 6 has been cup jointed to second transmission shaft 5's lateral surface, second transmission shaft 5's bilateral symmetry is provided with third transmission shaft 11, driven circular gear 7 has been cup jointed to third transmission shaft 11's lateral surface, drive circular gear 6 is connected with driven circular gear 7 meshing, third transmission shaft 11's lower extreme is provided with lead screw 8, lead screw 8's lateral surface threaded connection has nut 9, the same nut 9 of two common threaded connection of lead screw 8, be provided with tie point 10 that is used for connecting the load on the nut 9, the quantity of tie point 10 is one, a tie point 10 sets up the lower extreme intermediate position at nut 9, through connecting the braking steel cable in tie point 10 department, steel chain or wire rope play the braking effect, this novel rail vehicle parks hand braking structural design is reasonable, convenient for operation, can improve the smoothness nature of load removal process greatly, the use that the phenomenon that often appears.
When in use: through waveing hand wheel 1, drive bevel gear 2 and driven bevel gear 3 and rotate, and then drive second transmission shaft 5 and rotate, and then drive initiative circular gear 6 and rotate, drive driven circular gear 7 in both sides and rotate under the rotary action of initiative circular gear 6, and then drive nut 9 through the rotation of lead screw 8 and remove, brake through the pulling load.
Example 2: referring to fig. 3, the difference from embodiment 1 is that the number of the connection points 10 is two, two connection points 10 are symmetrically disposed at the lower end of the nut 9, and the two connection points 10 are symmetrically arranged with respect to the central axis of the nut 9, so as to ensure the stability of dual output braking.
Example 3: referring to fig. 4, the difference from embodiment 1 is that the number of the connection points 10 is two, and the two connection points 10 are symmetrically arranged on both sides of the nut 9, so that the directions of the dual output brake are on both sides of the nut 9.
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 (5)
1. The utility model provides a novel rail vehicle parks hand braking structure, includes hand wheel (1), and the one end and the first transmission shaft (4) of hand wheel (1) are connected, and the tail end of first transmission shaft (4) is provided with drive bevel gear (2), and one side meshing of drive bevel gear (2) is connected with driven bevel gear (3), and the one end of driven bevel gear (3) is provided with second transmission shaft (5), its characterized in that: the lateral surface of second transmission shaft (5) has cup jointed initiative circular gear (6), and the bilateral symmetry of second transmission shaft (5) is provided with third transmission shaft (11), and the lateral surface of third transmission shaft (11) has cup jointed driven circular gear (7), initiative circular gear (6) are connected with driven circular gear (7) meshing, the lower extreme of third transmission shaft (11) is provided with lead screw (8), and the lateral surface threaded connection of lead screw (8) has nut (9), be provided with tie point (10) that are used for connecting the load on nut (9).
2. The novel railway vehicle parking hand brake structure of claim 1, wherein: the two screw rods (8) are in common threaded connection with the same nut (9).
3. The novel railway vehicle parking hand brake structure of claim 1, wherein: the number of the connecting points (10) is one, and one connecting point (10) is arranged in the middle of the lower end of the nut (9).
4. The novel railway vehicle parking hand brake structure of claim 1, wherein: the number of the connecting points (10) is two, and the two connecting points (10) are symmetrically arranged at the lower end of the nut (9).
5. The novel railway vehicle parking hand brake structure of claim 1, wherein: the number of the connecting points (10) is two, and the two connecting points (10) are symmetrically arranged on two sides of the nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220932623.2U CN217575213U (en) | 2022-04-22 | 2022-04-22 | Novel rail vehicle parking hand braking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220932623.2U CN217575213U (en) | 2022-04-22 | 2022-04-22 | Novel rail vehicle parking hand braking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217575213U true CN217575213U (en) | 2022-10-14 |
Family
ID=83542783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220932623.2U Active CN217575213U (en) | 2022-04-22 | 2022-04-22 | Novel rail vehicle parking hand braking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217575213U (en) |
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2022
- 2022-04-22 CN CN202220932623.2U patent/CN217575213U/en active Active
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