CN219969337U - Amphibious vehicle non-independent suspension tire lifting device - Google Patents
Amphibious vehicle non-independent suspension tire lifting device Download PDFInfo
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- CN219969337U CN219969337U CN202321708250.1U CN202321708250U CN219969337U CN 219969337 U CN219969337 U CN 219969337U CN 202321708250 U CN202321708250 U CN 202321708250U CN 219969337 U CN219969337 U CN 219969337U
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- drive axle
- rear drive
- vehicle
- guide arm
- telescopic
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- 239000000725 suspension Substances 0.000 title claims abstract description 20
- 230000001419 dependent effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 230000007547 defect Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 11
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses an amphibious vehicle non-independent suspension tire lifting device, and aims to solve the defect that a suspension retraction device in the prior art is complex in structure. The utility model solves the technical problems by the following technical proposal: the tire assembly is provided with a rear drive axle, the rear drive axle is provided with a telescopic device and a guide arm, and two ends of the telescopic device and the guide arm are respectively connected with the rear drive axle and the automobile chassis. The travel of the telescopic oil cylinder is controlled through the control valve block, and when the vehicle runs on land, the telescopic device is positioned at the maximum travel position, so that the ground clearance of the chassis of the vehicle is increased, and the passing performance of the vehicle is enhanced; when the vehicle runs on the water surface, the telescopic device is contracted, so that the telescopic device is positioned at the minimum stroke position, the tires and the rear drive axle are retracted into the ship body, the water resistance is reduced, and the water running speed of the vehicle is improved.
Description
Technical Field
The utility model relates to the technical field of amphibious vehicles, in particular to an amphibious vehicle non-independent suspension tire lifting device.
Background
In order to ensure the suspension damping performance of the amphibious vehicle during normal running, parts such as a rear axle, a damper, a buffer and the like are inevitably exposed outside the vehicle body. Therefore, when the amphibious vehicle runs in water, the components such as wheels, a rear axle and the like sink further relative to the vehicle bottom due to no ground reaction force, so that the water resistance is overlarge, and the resistance is in direct proportion to the water speed. Therefore, in order to increase the running speed of the amphibious vehicle in water, it is necessary to reduce the water resistance of parts such as wheels and rear axles.
In the prior art, by designing the application of the tire lifting technical scheme, parts such as tires and axles are hidden in the grooves of the vehicle body through the lifting mechanism, so that the running resistance is reduced, and the running speed of the vehicle is improved.
The utility model discloses an amphibious vehicle wheel hydraulic spring folding and unfolding device which can realize folding and unfolding functions, but has complex mechanical mechanisms and is not suitable for being realized on a refitted vehicle. Such as jeep amphibious vehicle model in our country.
Disclosure of Invention
The utility model overcomes the defect of complex structure of a suspension retraction device in the prior art, and provides an amphibious vehicle non-independent suspension tire lifting device. The travel of the oil cylinder is controlled through the control valve block, when the vehicle runs on land, the oil cylinder is positioned at the maximum travel position, the ground clearance of the vehicle is increased, and the passing performance of the vehicle is enhanced; when the vehicle runs on the water surface, the oil cylinder is positioned at the minimum stroke position, the tires and the rear drive axle are retracted into the hull, so that the water resistance is reduced, and the water running speed of the vehicle is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme: an amphibious vehicle dependent suspension tire lifting device, comprising: the tire assembly is provided with a rear drive axle, the rear drive axle is provided with a telescopic device and a guide arm, and two ends of the telescopic device and the guide arm are respectively connected with the rear drive axle and the automobile chassis.
According to the amphibious vehicle non-independent suspension tire lifting device, the travel of the telescopic oil cylinder is controlled through the control valve block, and when the vehicle runs on land, the telescopic device is positioned at the maximum travel position, so that the ground clearance of the vehicle chassis is increased, and the vehicle passing performance is enhanced; when the vehicle runs on the water surface, the telescopic device is contracted, so that the telescopic device is positioned at the minimum stroke position, the tires and the rear drive axle are retracted into the ship body, the water resistance is reduced, and the water running speed of the vehicle is improved. According to the utility model, the left and right guide arms are designed to replace the original plate spring of the vehicle, and the left and right hydraulic telescopic oil cylinder systems (with damping effect) are designed to replace the rear axle damper of the original vehicle, so that the utility model has the characteristic of simple structure and is convenient for refitting the existing vehicle.
Preferably, the guide arm is arranged along the length direction of the automobile chassis, one end of the guide arm is hinged with the automobile chassis, and the other end of the guide arm is connected with the rear drive axle through the connecting device.
The guide arm is arranged along the length direction of the automobile chassis, so that other devices can be arranged in a reserved space at the middle position of the automobile chassis, and meanwhile, the space between the middle position of the automobile chassis and the ground is large, so that the trafficability of the automobile is improved.
Preferably, the connecting device comprises an abutting joint, an abutting plate and a U-shaped bolt, wherein the abutting joint is fixedly arranged at the end part of the guide arm and is arranged at one side far away from the rear drive axle, an abutting joint matched with the abutting joint is arranged on the abutting plate, four mounting holes are formed in the circumferential direction of the abutting joint, and the four mounting holes are symmetrically arranged at two sides of the guide arm; the two ends of the U-shaped bolt penetrate through the two corresponding mounting holes to be connected with the nuts, and the rear drive axle is abutted in the U-shaped opening of the U-shaped bolt.
Through the cooperation of butt joint, butt joint board and U type bolt, can make the guide arm more firm with rear drive axle connection.
Preferably, the guide arm is provided with an abutment card at a back portion of the abutment head, and the abutment card is provided with an arc-shaped abutment portion engaged with the rear drive axle.
The arc butt portion cooperates with the U-shaped mouth of U-shaped bolt for can just with the firm chucking of rear drive axle.
Preferably, one end of the telescopic device is hinged with the rear drive axle, the other end of the telescopic device is rotationally connected with the lifting block, and the lifting block is fixedly connected with the rear drive axle.
Through setting up the hoisting block for telescoping device can conveniently be connected with the rear drive axle.
Preferably, a first connecting shaft is arranged on the side wall of the side beam, a first connecting hole is formed in the end part, close to the automobile chassis, of the telescopic device, a first bearing is arranged in the first connecting hole, and the center of the first bearing is sleeved on the first connecting shaft.
The first bearing is clamped between the first connecting shaft and the first connecting hole, so that friction force between the first connecting hole and the first connecting shaft can be reduced.
Preferably, the automobile chassis comprises side beams arranged on two sides, two rows of connecting lug plates which are arranged in parallel are arranged at the bottoms of the side beams, a second connecting shaft is arranged between the connecting lug plates, a second connecting hole is formed in the end part, close to the automobile chassis, of the guide arm, a second bearing is arranged in the second connecting hole, and the center of the second bearing sleeve is connected to the second connecting shaft.
The second bearing is abutted between the second connecting hole and the second connecting shaft, so that friction force between the second connecting hole and the second connecting shaft can be reduced.
Preferably, the telescopic device is a telescopic cylinder.
The telescopic oil cylinder has the advantages of large power and stable structure, and can provide larger and stable supporting force.
Compared with the prior art, the utility model has the beneficial effects that: the travel of the telescopic oil cylinder is controlled through the control valve block, and when the vehicle runs on land, the telescopic oil cylinder is positioned at the maximum travel position, so that the ground clearance of the chassis of the vehicle is increased, and the passing performance of the vehicle is enhanced; when the vehicle runs on the water surface, the telescopic oil cylinder is contracted, so that the telescopic oil cylinder is positioned at the minimum stroke position, the tires and the rear drive axle are retracted into the hull, the water resistance is reduced, and the water running speed of the vehicle is improved. According to the utility model, the left and right guide arms are designed to replace the original plate spring of the vehicle, and the left and right hydraulic telescopic oil cylinder systems (with damping effect) are designed to replace the rear axle damper of the original vehicle, so that the utility model has the characteristic of simple structure and is convenient for refitting the existing vehicle.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a perspective view of the assembled whole of the automobile chassis according to the present utility model;
FIG. 4 is a schematic view of a partial structure of the present utility model assembled with an automobile chassis;
in the figure: 1. the tire assembly, 2, rear drive axle, 3, telescoping device, 31, first connecting hole, 311, first bearing, 4, leading arm, 41, second connecting hole, 5, vehicle chassis, 51, curb girder, 511, connecting lug plate, 512, first connecting axle, 52, crossbeam, 6, connecting device, 61, butt joint, 62, butt plate, 63, U type bolt, 64, butt cardboard, 641, arc butt portion.
Detailed Description
The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:
example 1: referring to fig. 1 to 4, there is shown an amphibious vehicle dependent suspension tyre lifting device comprising: the tire assembly 1 is provided with a rear drive axle 2 which is connected with the rear drive axle assembly; the rear drive axle is provided with a telescopic device 3 and a guide arm 4, and both ends of the telescopic device and the guide arm are respectively connected with the rear drive axle and an automobile chassis 5.
The telescopic device in this embodiment is the telescopic cylinder, and the telescopic cylinder has power big, stable in structure's advantage, can provide great and stable holding power.
The vehicle chassis includes side members 51 provided on both sides and a cross member 52 connecting the side members. The guide arm is arranged along the length direction of the automobile chassis, and one end of the guide arm is hinged with the automobile chassis. The other end of the guide arm is connected with the rear drive axle through a connecting device 6.
Specifically, the bottom of curb girder is provided with two rows of parallel arrangement's connection otic placodes 511, is provided with the second connecting axle between the connection otic placodes, and the guide arm is provided with second connecting hole 41 near the tip of vehicle chassis, is provided with the second bearing in the second connecting hole, and the centre bore of second bearing cover cup joints on the second connecting axle. The second bearing is abutted between the second connecting hole and the second connecting shaft, so that friction force between the second connecting hole and the second connecting shaft can be reduced.
The connecting device 6 comprises a butt joint 61, a butt joint plate 62 and two U-shaped bolts 63, wherein the butt joint is fixedly arranged at the end part of the guide arm and is arranged at one side far away from the rear drive axle, the end part of the butt joint is provided with a chamfer structure, and the chamfer structure can enable the butt joint to conveniently pass through the butt joint port 611; the abutting plate is provided with an abutting joint matched with the abutting joint in a penetrating way, the circumferential direction of the abutting joint is provided with four mounting holes 612 in a penetrating way, and the four mounting holes are symmetrically arranged on two sides of the guide arm; the two ends of the two U-shaped bolts penetrate through the two corresponding mounting holes respectively to be connected with the nuts, and the rear drive axle is abutted in the U-shaped opening of the U-shaped bolts, so that the U-shaped bolts are just hung on the two sides of the guide arm. In addition, the guide arm is provided with the butt cardboard for the back of butt joint, is provided with on the butt cardboard 64 with rear drive axle complex arc butt portion 641, arc butt portion cooperatees with the U-shaped mouth of U type bolt for can just with the firm chucking of rear drive axle.
The rear drive axle is fixedly provided with a lifting block, one end of the telescopic device is hinged with the rear drive axle, and the other end of the telescopic device is rotationally connected with the lifting block.
Specifically, a first connecting shaft 512 is arranged on the side wall of the side beam, a first connecting hole 31 is arranged at the end part of the telescopic device, which is close to the automobile chassis, a first bearing 311 is arranged in the first connecting hole, and a central hole of the first bearing is sleeved on the first connecting shaft. The first bearing is clamped between the first connecting shaft and the first connecting hole, so that friction force between the first connecting hole and the first connecting shaft can be reduced.
In addition, in the utility model, a control valve block for controlling the telescopic cylinder stroke is also arranged; so that the extension and shortening of the telescopic oil cylinder can be realized.
The working principle of the utility model is as follows: as shown in the figure, the amphibious vehicle non-independent suspension tire lifting devices are respectively arranged on rear wheels on two sides of the vehicle chassis, when the amphibious vehicle is used, the stroke of the telescopic oil cylinder is controlled through the control valve block, and when the vehicle runs on land, the telescopic oil cylinder is positioned at the maximum stroke position, so that the ground clearance of the vehicle chassis is increased, and the vehicle passing performance is enhanced; when the vehicle runs on the water surface, the telescopic oil cylinder is contracted, so that the telescopic oil cylinder is positioned at the minimum stroke position, the tires and the rear drive axle are retracted into the hull, the water resistance is reduced, and the water running speed of the vehicle is improved. According to the utility model, the left and right guide arms are designed to replace the original plate spring of the vehicle, and the left and right hydraulic telescopic oil cylinder systems (with damping effect) are designed to replace the rear axle damper of the original vehicle, so that the utility model has the characteristic of simple structure and is convenient for refitting the existing vehicle.
The above-described embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (8)
1. An amphibious vehicle dependent suspension tire lifting device, comprising: the tire assembly is provided with a rear drive axle, the rear drive axle is provided with a telescopic device and a guide arm, and two ends of the telescopic device and the guide arm are respectively connected with the rear drive axle and the automobile chassis.
2. An amphibious vehicle dependent suspension tyre lifting device as claimed in claim 1 wherein the guide arm is arranged along the length of the vehicle chassis, one end of the guide arm being hinged to the vehicle chassis and the other end of the guide arm being connected to the vehicle chassis by a connecting means to the rear drive axle.
3. The amphibious vehicle non-independent suspension tire lifting device according to claim 2, wherein the connecting device comprises an abutting joint, an abutting plate and a U-shaped bolt, the abutting joint is fixedly arranged at the end part of the guide arm and is arranged at one side far away from the rear drive axle, the abutting plate is provided with an abutting joint matched with the abutting joint, the circumferential direction of the abutting joint is provided with four mounting holes, and the four mounting holes are symmetrically arranged at two sides of the guide arm; the two ends of the U-shaped bolt penetrate through the two corresponding mounting holes to be connected with the nuts, and the rear drive axle is abutted in the U-shaped opening of the U-shaped bolt.
4. An amphibious vehicle dependent suspension tyre lifting device as claimed in claim 3 wherein the guide arm is provided with an abutment catch plate at the back opposite the abutment joint, the abutment catch plate being provided with an arcuate abutment portion for engagement with the rear drive axle.
5. An amphibious vehicle dependent suspension tyre lifting device as claimed in any one of claims 1 to 4 wherein one end of the telescopic means is hinged to the rear drive axle and the other end of the telescopic means is rotatably connected to a lifting block which is fixedly connected to the rear drive axle.
6. The amphibious vehicle dependent suspension tire lifting device of claim 5, wherein the vehicle chassis comprises side beams arranged on two sides, first connecting shafts are arranged on the side walls of the side beams, first connecting holes are formed in the end portions, close to the vehicle chassis, of the telescopic devices, first bearings are arranged in the first connecting holes, and the centers of the first bearings are sleeved on the first connecting shafts.
7. An amphibious vehicle dependent suspension tyre lifting device as claimed in any one of claims 2 to 4 wherein the vehicle chassis comprises side beams arranged on both sides, the bottom of the side beams is provided with two rows of parallel connection lugs, a second connection shaft is arranged between the connection lugs, the end of the guide arm adjacent to the vehicle chassis is provided with a second connection hole, a second bearing is arranged in the second connection hole, and the centre of the second bearing sleeve is connected to the second connection shaft.
8. An amphibious vehicle dependent suspension tyre lifting device as claimed in claim 1 or 2 or 3 or 4 or 6 wherein the telescopic means is a telescopic ram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321708250.1U CN219969337U (en) | 2023-06-30 | 2023-06-30 | Amphibious vehicle non-independent suspension tire lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321708250.1U CN219969337U (en) | 2023-06-30 | 2023-06-30 | Amphibious vehicle non-independent suspension tire lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219969337U true CN219969337U (en) | 2023-11-07 |
Family
ID=88578854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321708250.1U Active CN219969337U (en) | 2023-06-30 | 2023-06-30 | Amphibious vehicle non-independent suspension tire lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219969337U (en) |
-
2023
- 2023-06-30 CN CN202321708250.1U patent/CN219969337U/en active Active
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