CN210153169U

CN210153169U - Extension car extension transmission system

Info

Publication number: CN210153169U
Application number: CN201920983972.5U
Authority: CN
Inventors: 郑学科; 王培忠
Original assignee: Shandong Haili Transmission Machinery Manufacturing Co Ltd
Current assignee: Shandong Haili Transmission Machinery Manufacturing Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-03-17
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses an extension car extension transmission system, including fixed cabin, extension cabin and manual extension case, the fixed cabin internally mounted has the extension cabin, and the extension cabin lower extreme is fixed with first rack and second rack, and the fixed cabin lower extreme is fixed with transmission structure, and the expansion case output shaft that sets up on universal adapter sleeve and the manual extension case, second drive case internally mounted has the drive case output shaft, and the drive case output shaft passes through drive case intermediate gear group and drives drive case drive gear group and rotate, and manual extension case internally mounted has extension case transmission tooth group, and manual expansion case side installs manual rocker through the bearing. The expansion cabin of the expansion vehicle expansion transmission system consists of a fixed cabin, an expansion cabin and an expansion mechanism, the expansion mechanism is arranged by adopting a driving structure which can be manually rotated and also can be electrically driven, the expansion mechanism can meet the expansion requirements under various environments, the manual operation and the automatic operation can be realized, and the adjustment, the installation and the manufacture are simple, convenient and reliable.

Description

Extension car extension transmission system

Technical Field

The utility model relates to a work of the portable vehicle cabin body, life finite space environment's re-expansion equipment technical field specifically are an extension car extension transmission system.

Background

The expansion cabin on the market mainly comprises a pull box type expansion cabin and a scissor-fork hinge type expansion cabin. However, the existing draw-box type expansion cabin is difficult to adjust and install, is complicated to maintain in the future, has poor reliability in the actual use process, wastes time and labor in operation, and is inconvenient to use or incapable of being used in severe weather and environment; the existing scissor-fork hinge type expansion cabin has the disadvantages of complex structure, complex manufacturing, adjustment and installation, poor stability and comfort in the use process, high failure rate, and inconvenient use or incapability of use in severe weather and environment.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problems that the adjustment and installation of the prior pull-box type expansion cabin are difficult, the maintenance is complex in the future, the reliability is poor in the actual use process, the operation is time-consuming and labor-consuming, and the use is inconvenient or impossible in severe weather and environment; the existing scissor-fork hinge type expansion cabin has the defects of complex structure, complex manufacturing, adjustment and installation, poor stability and comfort in the use process, high failure rate, and inconvenience or incapability of use in severe weather and environment.

In order to achieve the above object, the utility model provides a following technical scheme: an expansion transmission system of an expansion vehicle comprises a fixed cabin, an expansion cabin and a manual expansion box, wherein the expansion cabin is installed inside the fixed cabin, a first rack and a second rack are fixed at the lower end of the expansion cabin, a transmission structure is fixed at the lower end of the fixed cabin, a second driving box arranged on the transmission structure is connected with the second rack, a first driving box arranged on the transmission structure is connected with the first rack, output shafts of driving boxes installed in the middle of the first driving box and the second driving box are connected with a first universal transmission shaft through a connecting retaining ring, the side surface of the second driving box is connected with a second universal transmission shaft through a universal connecting sleeve, the universal connecting sleeve is connected with an output shaft of the expansion box arranged on the manual expansion box, and a driving motor is installed on the side surface of the manual expansion box;

the manual expansion box is characterized in that a driving box output shaft is arranged in the second driving box, a middle gear set of the driving box is arranged in the middle of the second driving box through a bearing, the driving box output shaft drives a driving box driving gear set to rotate through the middle gear set of the driving box, a driving gear is arranged on the driving box driving gear set, an expansion box driving gear set is arranged in the manual expansion box, and a manual rocker is arranged on the side face of the manual expansion box through a bearing.

Preferably, the expansion cabin is inserted in the fixed cabin in a drawer type, and the expansion cabin slides in the fixed cabin and extends out of the fixed cabin under the action of the transmission structure.

Preferably, the transmission structure comprises a manual expansion box, a second driving box and a first driving box, the manual expansion box is connected with the second driving box through a second universal transmission shaft, and the second driving box is connected with the first driving box through a first universal transmission shaft.

Preferably, the first driving box and the second driving box have the same structure, a sixth gear is fixed in the middle of an output shaft of the driving box arranged in the second driving box and meshed with a seventh gear mounted on an intermediate gear set of the driving box, an eighth gear is mounted on the intermediate gear set of the driving box above the seventh gear and meshed with a ninth gear mounted on a driving box transmission gear set, and a transmission gear is arranged on the driving box transmission gear set above the ninth gear.

Preferably, the second driving box is of an L-shaped box structure, a transmission gear arranged in the second driving box extends out of the second driving box, the transmission gear arranged on the second driving box is meshed with the second rack, and the transmission gear arranged on the first driving box is meshed with the first rack.

Preferably, a motor driving gear is mounted on an output shaft at the front end of the driving motor, the motor driving gear is meshed with a fifth gear mounted on an expansion box transmission gear group, a conical third gear is mounted on the expansion box transmission gear group below the fifth gear, the third gear is meshed with a conical fourth gear mounted at the rear end of the manual rocker, a second gear is mounted on the expansion box transmission gear group below the third gear, and the second gear is meshed with a first gear mounted on the output shaft of the expansion box.

Preferably, the manual expansion box is fixed to the bottom of the fixed cabin, the first driving box and the second driving box are fixed to the bottom of the fixed cabin, and a driving motor arranged on the side face of the manual expansion box is fixed to the manual expansion box.

Preferably, a manual rocker arranged on the manual expansion box rotates to drive the expansion box transmission gear set to rotate so as to drive the expansion box output shaft to rotate, and the driving motor rotates to drive the expansion box transmission gear set to rotate so as to drive the expansion box output shaft to rotate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the expansion cabin consists of a fixed cabin, an expansion cabin and an expansion mechanism, the expansion mechanism is arranged by adopting a driving structure which can be manually rotated or electrically driven, the expansion mechanism can meet the expansion requirements under various environments, the manual operation and the automatic operation can be realized, and the adjustment, the installation and the manufacture are simple and reliable;

2. the motor is connected with the manual expansion box, and for cabin body extension output power under normal environment, realize automatic extension, when no electric power or under other conditions under extreme environment, all can realize power input through the manual extension rocker of manual expansion box, realize manual extension.

3. But the motor diameter drive extension cabin's output, adjustment simple to operate, in the in-service use reliability strong, labour saving and time saving.

Drawings

FIG. 1 is a schematic side view of the structure of the present invention;

FIG. 2 is a schematic view of the present invention from the bottom;

FIG. 3 is a schematic view of the structure and transmission structure of the present invention;

FIG. 4 is an expanded view of the manual expansion box of the present invention;

fig. 5 is an expansion schematic view of the structure driving box of the present invention.

Reference numbers in the figures: 1. a fixed cabin; 2. an expansion cabin; 3. a first rack; 4. a transmission structure; 5. a second rack; 6. a first drive case; 7. a first universal drive shaft; 8. connecting a retainer ring; 9. a second drive box; 10. a universal connecting sleeve; 11. a second universal drive shaft; 12. a drive motor; 13. a manual expansion box; 14. a drive case output shaft; 15. a gear set in the middle of the driving box; 16. the drive box drives the gear set; 17. a transmission gear; 18. a manual rocker; 19. the expansion box transmission gear group; 20. the motor drives the gear; 21. an output shaft of the expansion box; 22. a first gear; 23. a second gear; 24. a third gear; 25. a fourth gear; 26. a fifth gear; 27. a sixth gear; 28. a seventh gear; 29. an eighth gear; 30. a ninth gear.

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.

Referring to fig. 1-5, the present invention provides a technical solution: an expansion transmission system of an expansion vehicle comprises a fixed cabin 1, an expansion cabin 2 and a manual expansion box 13, wherein the expansion cabin 2 is arranged in the fixed cabin 1, a first rack 3 and a second rack 5 are fixed at the lower end of the expansion cabin 2, the expansion cabin 2 is inserted in the fixed cabin 1 in a drawer type manner, the expansion cabin 2 slides out of the fixed cabin 1 under the action of a transmission structure 4, the transmission structure 4 is fixed at the lower end of the fixed cabin 1, a second driving box 9 arranged on the transmission structure 4 is connected with the second rack 5, a first driving box 6 arranged on the transmission structure 4 is connected with the first rack 3, the transmission structure 4 comprises the manual expansion box 13, a second driving box 9 and a first driving box 6, the manual expansion box 13 is connected with the second driving box 9 through a second universal transmission shaft 11, the second driving box 9 is connected with the first driving box 6 through a first universal transmission shaft 7, a driving box output shaft 14 arranged in the middle of a first driving box 6 and a second driving box 9 is connected with a first universal transmission shaft 7 through a connecting retainer ring 8, the side surface of the second driving box 9 is connected with a second universal transmission shaft 11 through a universal connecting sleeve 10, the first driving box 6 and the second driving box 9 have the same structure, a sixth gear 27 is fixed in the middle of the driving box output shaft 14 arranged in the second driving box 9, the sixth gear 27 is meshed with a seventh gear 28 arranged on a driving box middle gear set 15, an eighth gear 29 is arranged on the driving box middle gear set 15 above the seventh gear 28, the eighth gear 29 is meshed with a ninth gear 30 arranged on the driving box transmission gear set 16, a transmission gear 17 is arranged on the driving box transmission gear set 16 above the ninth gear 30, the universal connecting sleeve 10 is connected with an expansion box output shaft 21 arranged on a manual expansion box 13, a driving motor 12 is arranged on the side surface of the manual expansion box 13, a motor driving gear 20 is arranged on an output shaft at the front end of the driving motor 12, the motor driving gear 20 is meshed with a fifth gear 26 arranged on an expansion box transmission tooth group 19, a conical third gear 24 is arranged on the expansion box transmission tooth group 19 below the fifth gear 26, the third gear 24 is meshed with a conical fourth gear 25 arranged at the rear end of the manual rocker 18, a second gear 23 is arranged on the expansion box transmission tooth group 19 below the third gear 24, the second gear 23 is meshed with a first gear 22 arranged on an expansion box output shaft 21, a driving box output shaft 14 is arranged inside the second driving box 9, a driving box middle gear group 15 is arranged in the middle of the second driving box 9 through a bearing, the second driving box 9 is of an L-shaped box body structure, and a transmission gear 17 arranged inside the second driving box 9 extends out of the second driving box 9, meanwhile, a transmission gear 17 arranged on a second driving box 9 is meshed with a second rack 5, a transmission gear 17 arranged on a first driving box 6 is meshed with a first rack 3, a driving box output shaft 14 drives a driving box transmission gear set 16 to rotate through a driving box middle gear set 15, a transmission gear 17 is arranged on the driving box transmission gear set 16, an expansion box transmission gear set 19 is arranged inside a manual expansion box 13, a manual rocker 18 is arranged on the side surface of the manual expansion box 13 through a bearing, the manual expansion box 13 is fixed at the bottom of a fixed cabin 1, a first driving box 6 and a second driving box 9 are fixed at the bottom of the fixed cabin 1, a driving motor 12 arranged on the side surface of the manual expansion box 13 is fixed on the manual expansion box 13, and the manual rocker 18 arranged on the manual expansion box 13 rotates to drive the expansion box transmission gear set 19 to rotate so as to drive an expansion box output shaft 21 to rotate, and the driving motor 12 rotates to drive the expansion box transmission gear set 19 to rotate so as to drive the expansion box output shaft 21 to rotate.

When the expansion vehicle is used for expanding a transmission system, the expansion cabin 2 is installed inside the fixed cabin 1 in an original state, when expansion needs to be performed in a normal environment, the driving motor 12 operates to drive the expansion box transmission gear set 19 to rotate through the motor driving gear 20, so as to drive the expansion box output shaft 21 to rotate, the expansion box output shaft 21 electrically drives the second universal transmission shaft 11 and the first universal transmission shaft 7 to rotate, the driving box output shaft 14 inside the second driving box 9 connected with the second universal transmission shaft 11 is connected, the rotation of the driving box output shaft 14 drives the driving box middle gear set 15 to rotate, so as to drive the driving box transmission gear set 16 to rotate through the eighth gear 29 and the ninth gear 30, meanwhile, the transmission gear 17 rotates along with the driving box transmission gear set 16 to push the second rack 5 to move, and simultaneously, the first driving box 6 pushes the first rack 3 to move, the second rack 5 and the first rack 3 drive the expansion cabin 2 to output the fixed cabin 1, when the expansion vehicle expands under the condition of no power or other conditions in an extreme environment, the manual rocker 18 is manually rotated to drive the output shaft 21 of the expansion box to rotate, and the expansion cabin 2 is further pushed to output the fixed cabin 1, namely the whole process of the expansion vehicle expansion transmission system.

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

1. The utility model provides an extension car extension transmission system, includes fixed cabin (1), extension cabin (2) and manual extension case (13), its characterized in that: an expansion cabin (2) is arranged in the fixed cabin (1), a first rack (3) and a second rack (5) are fixed at the lower end of the expansion cabin (2), a transmission structure (4) is fixed at the lower end of the fixed cabin (1), and a second driving box (9) arranged on the transmission structure (4) is connected with the second rack (5), a first driving box (6) arranged on the transmission structure (4) is connected with the first rack (3), a driving box output shaft (14) arranged in the middle of the first driving box (6) and the second driving box (9) is connected with a first universal transmission shaft (7) through a connecting retainer ring (8), the side surface of the second driving box (9) is connected with a second universal transmission shaft (11) through a universal connecting sleeve (10), the universal connecting sleeve (10) is connected with an expansion box output shaft (21) arranged on a manual expansion box (13), and a driving motor (12) is installed on the side surface of the manual expansion box (13);

second drive case (9) internally mounted has drive case output shaft (14), and second drive case (9) middle part passes through bearing installation drive case middle gear group (15), drive case output shaft (14) drive case drive gear group (16) through drive case middle gear group (15) and rotate, and install drive gear (17) on drive case drive gear group (16), manual expansion case (13) internally mounted has expansion case drive gear group (19), and manual expansion case (13) side installs manual rocker (18) through the bearing.

2. The extension drive system of an extension vehicle of claim 1, wherein: the expansion cabin (2) is inserted in the fixed cabin (1) in a drawer type, and the expansion cabin (2) slides in the fixed cabin (1) under the action of the transmission structure (4) and extends out of the fixed cabin (1).

3. The extension drive system of an extension vehicle of claim 1, wherein: the transmission structure (4) comprises a manual expansion box (13), a second driving box (9) and a first driving box (6), the manual expansion box (13) is connected with the second driving box (9) through a second universal transmission shaft (11), and the second driving box (9) is connected with the first driving box (6) through a first universal transmission shaft (7).

4. The extension drive system of an extension vehicle of claim 1, wherein: the structure of the first driving box (6) is the same as that of the second driving box (9), a sixth gear (27) is fixed in the middle of a driving box output shaft (14) arranged in the second driving box (9), the sixth gear (27) is meshed with a seventh gear (28) arranged on a driving box middle gear set (15), an eighth gear (29) is arranged on the driving box middle gear set (15) above the seventh gear (28), the eighth gear (29) is meshed with a ninth gear (30) arranged on a driving box transmission gear set (16), and a transmission gear (17) is arranged on the driving box transmission gear set (16) above the ninth gear (30).

5. The extension drive system of an extension vehicle of claim 1, wherein: the second driving box (9) is of an L-shaped box structure, a transmission gear (17) arranged inside the second driving box (9) extends out of the outer side of the second driving box (9), the transmission gear (17) arranged on the second driving box (9) is meshed with the second rack (5), and the transmission gear (17) arranged on the first driving box (6) is meshed with the first rack (3).

6. The extension drive system of an extension vehicle of claim 1, wherein: the motor driving gear (20) is mounted on an output shaft at the front end of the driving motor (12), the motor driving gear (20) is meshed with a fifth gear (26) mounted on the expansion box transmission gear group (19), a conical third gear (24) is mounted on the expansion box transmission gear group (19) below the fifth gear (26), meanwhile, the third gear (24) is meshed with a conical fourth gear (25) mounted at the rear end of the manual rocker (18), a second gear (23) is mounted on the expansion box transmission gear group (19) below the third gear (24), and the second gear (23) is meshed with a first gear (22) mounted on the expansion box output shaft (21).

7. The extension drive system of an extension vehicle of claim 1, wherein: the manual expansion box (13) is fixed at the bottom of the fixed cabin (1), the first driving box (6) and the second driving box (9) are fixed at the bottom of the fixed cabin (1), and the driving motor (12) arranged on the side face of the manual expansion box (13) is fixed on the manual expansion box (13).

8. The extension drive system of an extension vehicle of claim 1, wherein: a manual rocker (18) arranged on the manual expansion box (13) rotates to drive an expansion box transmission gear set (19) to rotate so as to drive an expansion box output shaft (21) to rotate, and the driving motor (12) rotates to drive the expansion box transmission gear set (19) to rotate so as to drive the expansion box output shaft (21) to rotate.