CN211456912U - Chassis car transmission structure - Google Patents
Chassis car transmission structure Download PDFInfo
- Publication number
- CN211456912U CN211456912U CN202020273394.9U CN202020273394U CN211456912U CN 211456912 U CN211456912 U CN 211456912U CN 202020273394 U CN202020273394 U CN 202020273394U CN 211456912 U CN211456912 U CN 211456912U
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- China
- Prior art keywords
- screw rod
- reduction
- reduction gearbox
- chassis
- gear
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Abstract
The utility model discloses a chassis vehicle transmission structure, which comprises a chassis frame, a motor, a reduction gearbox, a screw rod and a screw nut, wherein an output shaft of the motor extends into the reduction gearbox, the output shaft is provided with a tooth socket, a reduction gear set is arranged in the reduction box, an input gear of the reduction gear set is meshed with an output shaft of the motor, a meshing part of an output gear of the reduction gear set is exposed out of the reduction box, a transmission gear is fixedly arranged on the screw rod and is meshed with the output gear outside the reduction box, a screw rod nut is assembled on the screw rod so as to drive the chassis body to move axially along the screw rod, fixing plates for limiting two sides of the box body of the reduction box and mounting plates for supporting two ends of the screw rod are arranged on the chassis frame, a pin shaft is arranged between the fixing plates on two sides and penetrates through the reduction box body to lock the pin shaft, the screw rod.
Description
Technical Field
The utility model relates to a motor drive technical field especially relates to a chassis car transmission structure.
Background
In the transmission mechanism of the chassis vehicle, a motor is required to transmit power to a gear fixedly connected to a screw rod through a reduction gear to drive the screw rod to rotate, the screw rod drives a screw rod nut arranged on the screw rod to move axially along the screw rod, and the screw rod nut is fixedly connected to the chassis vehicle so as to drive the chassis vehicle to move.
As shown in figure 4, the existing transmission structure is that an integrated part integrated by a motor 1 ', a reduction gearbox 2' and a screw rod 3 'is arranged on a chassis frame 4', and a gear on the screw rod 3 'is positioned in the reduction gearbox 2' and is in transmission connection with components in the reduction gearbox. The disadvantages of this structure are: 1) the assembly difficulty is high, the gear arranged on the screw rod 3 'is positioned in the reduction box 2', and the requirement on the matching degree of the components is high; 2) the screws 5 'used for fixing the chassis frame 4' are various, and the dismounting and mounting need to be carried out or screwed down every time; 3) the cost of the integral piece is high, the maintenance difficulty is high, and if the motor 1 ' fails, the screw rod 3 ' and the gear thereof, the reduction box 2 ' and the gear set inside the reduction box need to be disassembled together.
SUMMERY OF THE UTILITY MODEL
Based on above, the utility model provides a chassis car transmission structure separately installs driving motor and execution lead screw, improves dismouting, maintenance convenience.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a chassis vehicle transmission structure comprises a chassis vehicle frame, a motor, a reduction gearbox, a screw rod and a screw rod nut, wherein an output shaft of the motor extends into the reduction gearbox, a tooth socket is arranged on the output shaft, a reduction gear set is arranged in the reduction gearbox, an input gear of the reduction gear set is meshed with an output shaft of the motor, a meshing part of an output gear of the reduction gear set is exposed out of the reduction gearbox, a transmission gear is fixedly arranged on the screw rod and is meshed with the output gear outside the reduction gearbox, the screw rod nut is assembled on the screw rod to drive a chassis vehicle body to move axially along the screw rod, fixing plates for limiting two sides of a box body of the reduction gearbox and mounting plates for supporting two ends of the screw rod are arranged on the chassis vehicle frame, a pin shaft is arranged between the fixing plates on two sides, the pin shaft penetrates through the.
Wherein, the bottom of reducing gear box pastes with chassis frame and pastes, and fixes both through the screw.
Wherein, the outer side of the fixing plate is provided with a shaft check ring for limiting the pin shaft.
The pin shaft and the output gear are arranged coaxially, and the output gear is provided with a through hole allowing the pin shaft to pass through.
Wherein, the fixed plate and the mounting plate are formed by turning over a plate body of the chassis frame.
To sum up, the beneficial effects of the utility model are that, compared with the prior art, chassis car transmission structure sets up transmission lead screw and gear motor components of a whole that can function independently, has reduced the dismouting and the maintenance degree of difficulty, adopts the mounting means of round pin axle locking in addition, has reduced fastener quantity, and is fixed reliable, and it is more convenient to install.
Drawings
Fig. 1 is a schematic view of a chassis transmission structure provided in an embodiment of the present invention;
fig. 2 is a cross-sectional view of a chassis transmission structure provided in an embodiment of the present invention;
fig. 3 is a side view of a chassis transmission structure provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of a conventional chassis transmission structure.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present embodiment provides a chassis transmission structure, which includes a chassis frame 4, a motor 1, a reduction box 2, a lead screw 3 and a lead screw nut 6.
An output shaft 7 of the motor 1 extends into the reduction box 2, and a tooth groove is formed in the output shaft 7.
The reduction gearbox 2 is provided with a reduction gear set 8, an input gear 9 of the reduction gear set 8 is meshed with an output shaft 7 of the motor 1, and a meshing part of an output gear 10 of the reduction gear set 8 is exposed out of the reduction gearbox 2.
The screw rod 3 is fixedly provided with a transmission gear 11, and the transmission gear 11 is meshed with an output gear 10 outside the reduction gearbox 2.
The screw rod nut 6 is assembled on the screw rod 3 so as to drive the chassis body to axially move along the screw rod 3.
The chassis frame 4 is provided with fixing plates 12 for limiting two sides of the box body of the reduction gearbox 2 and mounting plates 13 for supporting two ends of the screw rod 3, a pin shaft 14 is arranged between the fixing plates 12 on two sides, the pin shaft 14 penetrates through the reduction gearbox 2 to lock the reduction gearbox 2, the screw rod 3 is hinged with the mounting plates 13, and the shell of the motor 1 is fixed on the box body of the reduction gearbox 2.
Particularly, the bottom of the reduction gearbox 2 is attached to the chassis frame 4 and fixed through screws 5, and the fixing effect is further guaranteed.
A shaft collar 15 for limiting the pin 14 is arranged on the outer side of the fixing plate 12.
The pin 14 is arranged coaxially with the output gear 10, and a through hole for allowing the pin 14 to pass through is formed in the output gear 10, so that the pin 14 does not interfere with the action of the output gear 10.
The fixing plate 12 and the mounting plate 13 are both formed by folding the plate body of the chassis frame 4, so that the assembly is simpler.
In conclusion, the transmission structure of the chassis vehicle is provided with the transmission screw rod and the speed reducing motor in a split mode, the disassembly, assembly and maintenance difficulty is reduced, in addition, the number of fasteners is reduced by adopting a mounting mode of locking the pin shaft, the fixing is reliable, and the mounting is more convenient.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A chassis vehicle transmission structure is characterized by comprising a chassis vehicle frame, a motor, a reduction gearbox, a screw rod and a screw rod nut, wherein an output shaft of the motor extends into the reduction gearbox, a tooth socket is arranged on the output shaft, a reduction gear set is arranged in the reduction gearbox, an input gear of the reduction gear set is meshed with the output shaft of the motor, a meshing part of an output gear of the reduction gear set is exposed out of the reduction gearbox, a transmission gear is fixedly arranged on the screw rod and is meshed with the output gear outside the reduction gearbox, the screw rod nut is assembled on the screw rod so as to drive a chassis vehicle body to move axially along the screw rod,
the chassis frame is provided with fixing plates for limiting two sides of the box body of the reduction gearbox and mounting plates for supporting two ends of the screw rod, a pin shaft is arranged between the fixing plates on the two sides, the pin shaft penetrates through the reduction gearbox to lock the reduction gearbox, the screw rod is hinged with the mounting plates, and the shell of the motor is fixed on the box body of the reduction gearbox.
2. The chassis vehicle transmission structure according to claim 1, characterized in that: the bottom of the reduction gearbox is attached to the chassis frame and fixed by screws.
3. The chassis vehicle transmission structure according to claim 1, characterized in that: and a shaft check ring for limiting the pin shaft is arranged on the outer side close to the fixed plate.
4. The chassis vehicle transmission structure according to claim 1, characterized in that: the pin shaft and the output gear are coaxially arranged, and a through hole allowing the pin shaft to pass through is formed in the output gear.
5. The chassis vehicle transmission structure according to claim 1, characterized in that: the fixed plate and the mounting plate are formed by turning over a plate body of the chassis frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273394.9U CN211456912U (en) | 2020-03-06 | 2020-03-06 | Chassis car transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273394.9U CN211456912U (en) | 2020-03-06 | 2020-03-06 | Chassis car transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211456912U true CN211456912U (en) | 2020-09-08 |
Family
ID=72317120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020273394.9U Active CN211456912U (en) | 2020-03-06 | 2020-03-06 | Chassis car transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211456912U (en) |
-
2020
- 2020-03-06 CN CN202020273394.9U patent/CN211456912U/en active Active
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