CN220594540U - Chassis lifting type door bridge device - Google Patents
Chassis lifting type door bridge device Download PDFInfo
- Publication number
- CN220594540U CN220594540U CN202322256451.9U CN202322256451U CN220594540U CN 220594540 U CN220594540 U CN 220594540U CN 202322256451 U CN202322256451 U CN 202322256451U CN 220594540 U CN220594540 U CN 220594540U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 147
- 238000007789 sealing Methods 0.000 claims description 20
- 230000003028 elevating effect Effects 0.000 claims 3
- 230000005484 gravity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a chassis lifting type door bridge device which comprises a transmission shaft, wherein the transmission shaft is connected with a tire, a lifting assembly is connected to the transmission shaft and comprises a lifting shell, a transmission wheel set and a wheel axle set which are in mutual transmission are connected in the lifting shell in a rotating mode, the transmission shaft is connected with the transmission wheel set, a follow-up wheel axle is connected to the tire, and the follow-up wheel axle is connected with the wheel axle set. The utility model provides a chassis lifting type door bridge device, which can lift the axle center of a transmission shaft and a tire in a dislocation way on the basis of ensuring stable transmission, so that the chassis is more freely arranged, the ground clearance can be improved, and interference with a ground bulge is avoided to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of automobile chassis, in particular to a chassis lifting type door bridge device.
Background
The automobile chassis is one of important components of an automobile, the air structure characteristics can directly influence the stability and smoothness of operation, and different types of chassis can adapt to different terrains, so that the structural requirement on the chassis in the off-road vehicle is more severe, various terrains capable of adapting to the wild are required to be ensured, and the overall stability of the vehicle is ensured.
For example, publication number CN212860997U discloses a "free axle chassis of an off-road vehicle, which comprises supporting springs in force transmission connection with each other, so that two tires on two sides of each side of a rectangular frame support the weight of the side in a bisection manner, front and rear anti-tilting bars are in interactive connection, the left and right tilting values of the frame are in interactive connection with a steering gear according to the intermediate value of the two tilting values of the front double wheels and the rear double wheels, and the front anti-tilting bars are in interactive connection with the steering gear, so that the toughness of the outer side of the bend is enhanced and the toughness of the inner side of the bend is weakened through the change of a steering pull rod during turning. However, in practical application, the rescue type off-road vehicle needs to move in forest hilly landform and landform, and general chassis structure actions are greatly limited and interfere with surface protrusions or stones.
Disclosure of Invention
Aiming at the problem that in the prior art, the traveling of an automobile is interfered by the surface bulge and stones, the utility model provides the chassis lifting type door bridge device which can lift the axis of a transmission shaft and the axis of a tire in a dislocation manner on the basis of ensuring stable transmission, so that the chassis is more free to set, the ground clearance can be improved, and the interference with the surface bulge is avoided to the greatest extent.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The chassis lifting type door bridge device comprises a transmission shaft, the transmission shaft is connected with a tire, a lifting assembly is connected to the transmission shaft, the lifting assembly comprises a lifting shell, a transmission wheel set and a wheel axle set which are in rotation connection with each other in the lifting shell, the transmission shaft is connected with the transmission wheel set, the tire is connected with a follow-up wheel axle, and the follow-up wheel axle is connected with the wheel axle set. The transmission shaft is connected with the transmission wheel set, the follow-up wheel shaft is connected with the wheel shaft wheel set, the connection mode between the transmission wheel set and the wheel shaft wheel set comprises but is not limited to gear engagement and sprocket transmission, as the wheel sets connected with the transmission shaft and the follow-up wheel shaft are different, the transmission shaft has a height difference with the follow-up wheel shaft, is arranged in an automobile chassis, is driven by an engine to output rotating speed, and transmits through the transmission wheel set and the wheel shaft wheel set, and finally is output from the follow-up wheel shaft to a tire, wherein a plurality of groups of gear engagement or sprocket transmission can be arranged between the transmission wheel set and the wheel shaft wheel set, and only single gear linkage can be arranged, in practical application, the transmission wheel set and the wheel shaft wheel set are arranged in a lifting shell, and the transmission shaft and the follow-up wheel shaft are respectively connected on two sides of the lifting shell, the weight of the automobile body is transmitted through the transmission shaft, the lifting shell, the follow-up wheel shaft and the tire, and the wheel set in the lifting shell are not involved in weighing, and the stability of the transmission is ensured.
Preferably, the transmission wheel set comprises a transmission chain wheel, a transmission chain is connected to the transmission chain wheel, and the transmission chain is connected with the wheel shaft wheel set. The transmission wheel group comprises a transmission chain wheel and a transmission chain, the kinetic energy of the transmission shaft is output to the tire through the connection of the wheel shaft wheel group and the transmission chain, and the height difference between the transmission shaft and the follow-up wheel shaft can be further raised, so that a higher ground disc height can be obtained, and the transmission wheel group is further suitable for various terrains.
Preferably, the wheel axle set is located below the drive wheel set. The wheel axle wheel set is arranged below the transmission wheel set, and the chassis is not positioned on the same axis relative to the tire due to the height difference, so that the chassis can be lifted.
Preferably, a secondary lifting gap is reserved between the driving chain wheel and the wheel set of the wheel shaft. Because the wheel axle wheel set and the transmission wheel set are transmitted through the transmission chain wheel, the transmission chain wheel and the wheel axle wheel set are not contacted, a gap is reserved between the transmission chain wheel and the wheel axle wheel set, the gap is a secondary lifting gap, and the axle center of the transmission wheel set is lifted again on the basis of the axle center height difference between the transmission wheel set and the wheel axle wheel set, wherein the transmission of bearing force does not pass through the transmission wheel set and the wheel axle wheel set, so that the transmission effectiveness is not influenced even though the transmission is carried out through a transmission chain.
Preferably, the transmission wheel set and the wheel axle wheel set comprise wheel set supporting bearings connected with the lifting shell. The lifting shell is internally provided with the wheel set supporting bearing, so that the wheel set can be effectively supported for working, meanwhile, the stable rotation and the effective connection of the transmission shaft and the follow-up wheel shaft can be ensured, and the transmission of force through the transmission wheel set and the wheel shaft wheel set is avoided again.
Preferably, the side of the lifting shell close to the tire is connected with a mounting assembly, and the mounting assembly comprises an axle support bearing connected with the lifting shell, and the axle support bearing is connected with the follow-up axle. Compared with the connection and support relation between the transmission shaft and the chassis and other parts, the connection of the follow-up wheel axle is single, so that the connection installation assembly is arranged on one side of the lifting shell close to the tire and is connected through the wheel axle support bearing arranged inside, the stability of connection is enhanced, and the tire and the effective support vehicle body of the follow-up wheel axle are ensured.
Preferably, the mounting assembly is provided with a wheel shaft sealing assembly on a side adjacent to the tyre. The sealing assembly arranged in the installation assembly can improve the sealing performance of the installation assembly, so that the vehicle can adapt to more environments, the entry of impurities is avoided, and the stability of transmission can be ensured under the environments of rainy days, amphibious and the like.
Preferably, a transmission sealing assembly is arranged in the lifting shell, and the transmission sealing assembly is arranged corresponding to the transmission wheel set and the wheel axle wheel set. The lifting shell is provided with a mounting hole connected with the transmission shaft and the follow-up wheel shaft, the transmission sealing assembly arranged at the corresponding position of the transmission wheel set and the wheel shaft wheel set can improve sealing performance, the transmission shaft and the follow-up wheel shaft are protected from rotating smoothly, and impurities are prevented from entering the lifting shell.
The beneficial effects of the utility model are as follows:
(1) The transmission wheel set is connected with the wheel axle wheel set, so that the axle center height difference is obtained, the ground disc of the automobile can be lifted, and the lifting shell is arranged, so that the support of the automobile body is transmitted through the lifting shell, and the transmission stability is further ensured;
(2) The transmission chain wheel and the transmission chain are connected with the wheel axle wheel set, so that a secondary lifting gap is reserved between the transmission wheel set and the wheel axle wheel set, the chassis can be further lifted, a larger ground clearance is obtained, and the stability of field driving is ensured;
(3) Through the connection of wheelset supporting bearing and shaft supporting bearing, can guarantee the connection stability of transmission shaft, drive wheelset, shaft wheelset and follow-up shaft, guarantee the effective transmission of rotational speed, with raise the casing cooperation and can guarantee the effective support to the automobile body.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a portion of the elevation assembly of fig. 1.
Fig. 3 is a schematic view of the structure of the elevation assembly of fig. 1.
Fig. 4 is a structural comparison of the present utility model with the prior art.
In the figure: the tire is provided with a transmission shaft 1, a tire 2, a follow-up wheel shaft 21, a lifting assembly 3, a lifting shell 31, a transmission wheel set 32, a transmission chain wheel 321, a transmission chain 322, a wheel set 33, a wheel set 34 supporting bearing 35, a transmission sealing assembly 4, a secondary lifting gap 5, a mounting assembly 51, a wheel supporting bearing 52 and a wheel shaft sealing assembly.
Detailed Description
The utility model is further described below with reference to the drawings and specific embodiments.
Example 1:
as shown in fig. 1, 2 and 4, a chassis lifting type door bridge device comprises a transmission shaft 1, the transmission shaft 1 is connected with a tire 2, a lifting assembly 3 is connected on the transmission shaft 1, the lifting assembly 3 comprises a lifting shell 31, a transmission wheel set 32 and a wheel axle set 33 which are in mutual transmission are connected in a rotating mode in the lifting shell 31, the wheel axle set 33 is located below the transmission wheel set 32, the transmission wheel set 32 comprises a transmission chain wheel 321 and a transmission chain 322, the transmission shaft 1 is connected with the transmission chain wheel 321, the tire 2 is connected with a follow-up wheel axle 21, the follow-up wheel axle 21 is connected with the wheel axle set 33, the transmission chain 322 is connected with the transmission chain wheel 321 and the wheel axle set 33, a secondary lifting gap 4 is reserved between the transmission chain wheel 321 and the wheel axle set 33, a left half part in fig. 4 is of an existing structure, and a right half part is of the structure.
The transmission shaft 1 is connected with the transmission wheel set 32, the driven wheel shaft 21 is connected with the wheel shaft wheel set 33, the connection mode between the transmission wheel set 32 and the wheel shaft wheel set 33 is sprocket transmission, as the wheel sets connected with the transmission shaft 1 and the driven wheel shaft 21 are different, the height difference exists between the transmission shaft 1 and the driven wheel shaft 21, the transmission shaft 1 is arranged in the chassis of the automobile, the rotation speed is driven and output by the engine, the transmission is carried out through the transmission wheel set 32 and the wheel shaft wheel set 33, and finally the driven wheel shaft 21 is output to the tyre 2, in the embodiment, only a single gear linkage is arranged between the transmission wheel set 32 and the wheel shaft wheel set 33, but in practical application, the transmission wheel set 32 and the wheel shaft wheel set 33 are arranged in the lifting shell 31, the transmission shaft 1 and the driven wheel shaft 21 are respectively connected at two sides of the lifting shell 31, the weight of the car body is transmitted through the transmission shaft 1, the lifting shell 31, the follow-up wheel shaft 21 and the tyre 2, the transmission wheel set 32 and the wheel set 33 in the lifting shell 31 do not participate in weighing, the stability of transmission is ensured, the transmission wheel set 32 comprises a transmission chain wheel 321 and a transmission chain 322, the kinetic energy of the transmission shaft 1 is output to the tyre 2 through the connection of the wheel set 33 and the transmission chain 322, the height difference between the transmission shaft 1 and the follow-up wheel shaft 21 can be further lifted, thus a higher ground disc height can be obtained, and the car body is further suitable for various terrains, the wheel set 33 is arranged below the transmission wheel set 32, the chassis is not positioned on the same axis relative to the tyre 2 due to the height difference, the ground disc can be lifted, the wheel set 33 and the transmission wheel set 32 are transmitted through the transmission chain wheel 321, the transmission chain wheel 321 and the wheel set 33 are not contacted, a gap is left, which is the secondary raising gap 4, and the axle center of the driving wheel set 32 is raised again on the basis of the axle center height difference between the driving wheel set 32 and the wheel axle set 33, wherein the transmission of the bearing force does not pass through the driving wheel set 32 and the wheel axle set 33, so that the transmission effectiveness is not affected even though the transmission is performed through the driving chain 322.
As shown in fig. 3, the side of the lifting shell 31, which is close to the tire 2, is connected with the mounting assembly 5, the mounting assembly 5 comprises an axle supporting bearing 51 connected with the lifting shell 31, the axle supporting bearing 51 is connected with the following axle 21, the side of the mounting assembly 5, which is close to the tire 2, is provided with an axle sealing assembly 52, the driving wheel set 32 and the axle wheel set 33 respectively comprise a wheel set supporting bearing 34 connected with the lifting shell 31, the lifting shell 31 is internally provided with a driving sealing assembly 35, and the driving sealing assembly is arranged corresponding to the driving wheel set 32 and the axle wheel set 33.
Compared with the connection and supporting relation between the transmission shaft 1 and the chassis and other parts, the connection of the follow-up wheel shaft 21 is single, therefore, the connection installation assembly 5 is arranged on one side of the lifting shell 31 close to the tire 2 and is connected through the wheel shaft supporting bearing 51 arranged inside, the connection stability is enhanced, the tire 2 and the effective supporting vehicle body of the follow-up wheel shaft 21 are guaranteed, the sealing assembly arranged in the installation assembly 5 can improve the sealing performance of the installation assembly 5, thereby the vehicle can adapt to more environments, the entry of impurities is avoided, the stability of transmission can be guaranteed under the environments of rainy days, amphibious and the like, the installation hole connected with the transmission shaft 1 and the follow-up wheel shaft 21 is arranged on the lifting shell 31, the wheel set supporting bearing 34 is arranged in the lifting shell 31, the wheel set supporting bearing can be effectively supported for working, meanwhile, the stable rotation and the effective connection of the transmission shaft 1 and the follow-up wheel shaft 21 can be guaranteed, the transmission sealing assembly 35 arranged at the corresponding positions of the transmission wheel set 32 and the wheel set 33 can improve the sealing performance, the transmission shaft 1 and the smooth rotation of the wheel set 33 are avoided, and the impurity is prevented from entering the inside the lifting shell 31.
The assembly and working process of the chassis lifting type door bridge device in the embodiment are as follows: in this embodiment, the vehicle includes the chassis, be provided with transmission shaft 1 on the chassis, transmission shaft 1 stretches out along the chassis both sides, be connected with raising subassembly 3, it is connected with tire 2 through follower wheel axle 21 to raise subassembly 3 to keep away from transmission shaft 1 one side, concretely, raise subassembly 3 including raising casing 31, raise casing 31 inside be provided with the drive pulley group 32 that is located the upper portion and be located lower part shaft wheelset 33, be connected through drive chain 322 between drive pulley group 32 and the shaft wheelset 33, wherein transmission shaft 1 is connected with drive pulley group 32, follower wheel axle 21 is connected with shaft wheelset 33, and be provided with wheelset support bearing 34 and transmission seal assembly 35 in raising casing 31, be used for supporting and sealing, still be provided with installation component 5 in raising casing 31 one side near tire 2, installation component 5 is including the installation shell, inside is provided with shaft support bearing 51 and shaft seal assembly 52, thereby further consolidate and seal follow-up shaft 21, avoid because around tire 2 too much leading to influencing transmission efficiency, in the course of working, the motor group drives transmission shaft 1 and rotates, transmission shaft 1 and drive sprocket 321 rotates with drive pulley group 321 and drives sprocket wheel axle 33 and drive pulley group 33 and rotate, it is higher than the wheel axle 33 and realize the wheel and drive wheel axle is high to have the wheel and is connected with the wheel axle 33, and is higher than the wheel axle is driven on the wheel axle 2 and is connected with the wheel axle 33.
Claims (8)
1. The utility model provides a chassis is raised door bridge device, is including transmission shaft (1), transmission shaft (1) are connected with tire (2), a serial communication port, be connected with on transmission shaft (1) and raise subassembly (3), raise subassembly (3) including raising casing (31), it is connected with transmission wheelset (32) and shaft wheelset (33) of mutual transmission to raise casing (31) internal rotation, transmission shaft (1) are connected with transmission wheelset (32), tire (2) are connected with follow-up shaft (21), follow-up shaft (21) are connected with shaft wheelset (33).
2. A chassis lifting door bridge according to claim 1, wherein the driving wheel set (32) comprises a driving sprocket (321), a driving chain (322) is connected to the driving sprocket (321), and the driving chain (322) is connected to the wheel set (33).
3. A chassis-elevating door bridge assembly as claimed in claim 1, wherein said wheel set (33) is located below the drive wheel set (32) in the direction of gravity.
4. A chassis-elevating bridge assembly as claimed in claim 2, wherein a secondary elevation gap (4) is provided between the drive sprocket (321) and the wheel set (33).
5. A chassis-elevating door bridge assembly according to any one of claims 1-4, wherein the drive wheel set (32) and the axle wheel set (33) each comprise a wheel set support bearing (34) connected to the elevation housing (31).
6. A chassis-elevating door bridge assembly according to any one of claims 1-4, wherein said elevating housing (31) is connected to a mounting assembly (5) on the side of the tire (2), said mounting assembly (5) comprising an axle support bearing (51) connected to the elevating housing (31), said axle support bearing (51) being connected to the follower axle (21).
7. A chassis-elevating door bridge assembly according to claim 6, wherein the mounting assembly (5) is provided with an axle sealing assembly (52) on the side adjacent the tyre (2).
8. A chassis-elevating door bridge assembly according to any one of claims 1-4, wherein a transmission sealing assembly (35) is arranged in the elevating housing (31), and the transmission sealing assembly (35) is arranged corresponding to the transmission wheel set (32) and the wheel axle set (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322256451.9U CN220594540U (en) | 2023-08-21 | 2023-08-21 | Chassis lifting type door bridge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322256451.9U CN220594540U (en) | 2023-08-21 | 2023-08-21 | Chassis lifting type door bridge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220594540U true CN220594540U (en) | 2024-03-15 |
Family
ID=90168633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322256451.9U Active CN220594540U (en) | 2023-08-21 | 2023-08-21 | Chassis lifting type door bridge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220594540U (en) |
-
2023
- 2023-08-21 CN CN202322256451.9U patent/CN220594540U/en active Active
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| GR01 | Patent grant | ||
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