CN102582427B - Driving device for four-wheel-driven amphibious vehicle - Google Patents

Abstract

The four-wheel-drive amphibious vehicle driving device includes an engine, the power shaft of the engine is connected with the power input shaft of the gearbox, the power output shaft of the gearbox is connected with the power input shaft of the transfer case, and the transfer case has a left front power set in the horizontal direction Output shaft, right front PTO shaft, left rear PTO shaft, right rear PTO shaft and middle rear PTO shaft, the left front PTO shaft protrudes forward from the left side of the front end of the transfer case from the case body of the transfer case, the right front The power output shaft extends forward from the right side of the front end of the transfer case, the left rear power output shaft extends backward from the left side of the rear end of the transfer case, and the right rear power output The shaft stretches out of the case body of the transfer case from the right side of the rear end of the transfer case, and the middle and rear power output shaft extends out of the case body of the transfer case from the middle part of the transfer case. The purpose of the utility model is to provide a four-wheel drive amphibious vehicle driving device with high passing capacity, compact structure, stable performance, safety and reliability, high transmission efficiency and low energy consumption.

Description

Four-wheel drive amphibious vehicle drive device

technical field

The invention relates to a drive device for a four-wheel-drive amphibious vehicle.

Background technique

The existing wheel drive system of amphibious vehicles usually adopts two-wheel drive and electronically controlled operation, which leads to low speed, high fuel consumption, low passing capacity and poor adaptability when driving.

Contents of the invention

The object of the present invention is to provide a four-wheel drive amphibious vehicle driving device with high passing capacity, compact structure, stable performance, safety and reliability, high transmission efficiency and low energy consumption.

The driving device of the four-wheel drive amphibious vehicle of the present invention comprises an engine arranged at the front of the vehicle frame, the power shaft of the engine is connected with the power input shaft of the gearbox, and the gearbox is installed on the vehicle frame positioned at the rear side of the engine, and the power of the gearbox is The output shaft is connected with the power input shaft of the transfer case. The transfer case is installed on the frame at the rear side of the gearbox. The transfer case has a left front PTO shaft, a right front PTO shaft and a left rear PTO shaft, right rear PTO shaft and middle rear PTO shaft, the left front PTO shaft extends forward from the left side of the front end of the transfer case, and the right front PTO shaft extends from the right side of the front end of the transfer case The front protrudes from the case of the transfer case, the left rear power output shaft extends backward from the left side of the rear end of the transfer case, and the right rear power output shaft extends backward from the right side of the rear end of the transfer case Out of the case of the transfer case, the middle and rear PTO shafts protrude backward from the middle of the transfer case, the middle and rear PTO shafts are connected with the front end of the water transmission shaft, and the water transmission shaft is horizontal along the The direction is set, the rear end of the water transmission shaft is connected to the power input end of the water jet propeller, and the water jet propeller is installed in the middle of the rear end of the vehicle frame along the front and rear horizontal directions, and the left front and right front parts of the vehicle frame are , The left rear part and the right rear part are respectively equipped with a bevel gear reversing transmission device with a transmission ratio of 1. Each bevel gear reversing transmission device includes a machine base and a power input shaft respectively, located at the left front part and the right front part The power input shafts of the bevel gear reversing transmission device protrude backward respectively along the horizontal direction of the vehicle frame, and the power input shafts of the bevel gear reversing transmission device located at the left rear and right rear respectively extend along the horizontal direction of the vehicle frame. The front protrudes, and the power input shaft of the bevel gear reversing transmission device located at the left rear of the vehicle frame is connected to the left rear power output shaft through the left rear transmission shaft with universal joints at both ends, and is located at the right rear of the vehicle frame. The power input shaft of the bevel gear reversing transmission device at the bottom is connected to the right rear power output shaft through the right rear transmission shaft with universal joints at both ends, and the power input shaft of the bevel gear reversing transmission device located at the left front of the frame The power input shaft of the bevel gear reversing transmission device located at the right front of the frame is connected to the right front power output shaft through the right front drive shaft with universal joints at both ends. The power output shaft is connected by transmission, and the bases of the four bevel gear reversing transmission devices are respectively installed on the vehicle frame rotatably centering on the axis of their own power input shaft, and each of the bevel gear reversing transmission The power output shafts of the device protrude outwards along the left and right directions respectively, and the shaft section at the outward end of the power output shaft of each said bevel gear reversing transmission device is respectively provided with an insertion hole, and each insertion hole is respectively It is connected with the inner end shaft section of a telescopic drive shaft by spline fit and can be slidably plugged in. The outer end of each telescopic drive shaft is respectively connected with a ball cage, and each ball cage is respectively installed in the center of a wheel. parts.

In the driving device of the four-wheel drive amphibious vehicle of the present invention, a front support sleeve is respectively fixed on the power input end of each said base, and the front support sleeve is arranged concentrically with the power input shaft on the bevel gear reversing transmission device where it is located. Each front support sleeve is installed on the vehicle frame through a rolling bearing seat or a sliding bearing seat respectively.

In the four-wheel-drive amphibious vehicle driving device of the present invention, a support shaft is respectively provided on the other end of each said base opposite to the power input end, and the support shaft is coaxial with the power input shaft on the bevel gear reversing transmission device where it is located. Each of the support shafts is installed on the vehicle frame through a rolling bearing or a sliding bearing seat.

When the drive device of the four-wheel drive amphibious vehicle of the present invention is in use, the power shaft of the engine arranged at the front of the vehicle frame can drag the power input shaft of the gearbox to rotate, so that the power output shaft of the gearbox can rotate, and the power output of the gearbox can be rotated. The shaft drives the power input shaft of the transfer case to rotate, and the left front PTO shaft, right front PTO shaft, left rear PTO shaft, right rear PTO shaft or middle rear PTO shaft of the transfer case will also be driven to rotate. When the four-wheel drive amphibious vehicle using the four-wheel drive amphibious vehicle driving device of the present invention needs to travel in water, the left front power output shaft, the right front power output shaft, the left rear power output shaft and the right rear power output The shaft is out of the driven state, and the middle and rear power output shaft of the transfer case is allowed to drag the water transmission shaft to rotate, and the water jet propeller is driven by the water transmission shaft to work, so that the four-wheel drive amphibious vehicle driving device of the present invention can be used. The amphibious vehicle moves in water; when the four-wheel drive amphibious vehicle using the four-wheel drive amphibious vehicle driving device of the present invention needs to travel on land, the left front power output shaft, the right front power output shaft, and the left rear can be controlled by the control device of the transfer case. The power take-off shaft and the right rear power take-off shaft rotate, so that the middle and rear power take-off shaft of the transfer case is out of the driven state. The left rear transmission shaft 12 of the section is driven to rotate by the left rear power output shaft, and the power input shaft of the bevel gear reversing transmission device located at the right rear part of the vehicle frame is driven by the right rear power transmission shaft through the right rear transmission shaft with universal joints at both ends. The output shaft is driven to rotate, the power input shaft of the bevel gear reversing transmission device located at the left front of the frame is driven to rotate by the left front drive shaft and the left front power output shaft with universal joints at both ends, and the bevel gear reversing gear located at the right front of the frame The power input shaft of the transmission device is driven to rotate by the right front power output shaft through the right front transmission shaft with universal joints at both ends, so the bevel gears on the left front, right front, left rear, and right rear on the frame are replaced. The power output shaft to the transmission device will also rotate, and drive a retractable drive shaft to rotate respectively, and each retractable drive shaft will drive a wheel to rotate through a ball cage respectively, so that the four-wheel drive amphibious vehicle of the present invention can be used The four-wheel-drive amphibious vehicle of driving device moves on land; The center of rotation swings outwards and upwards, so that each wheel does not touch the water surface, so as to reduce the resistance of the four-wheel drive amphibious vehicle when driving in the water. During the swinging process of each wheel, each retractable drive shaft will move upwards as a whole. , outward movement, at this time the inner end of each retractable drive shaft will slide outward for a certain distance from the insertion hole on the outer end face of the power output shaft of each bevel gear reversing transmission device, but in each After each wheel swings in place, the inner end of each retractable drive shaft still needs to be inserted into the insertion hole on the outer end face of the power output shaft of the bevel gear reversing transmission device, and each retractable drive shaft is integrally formed. In the process of upward and outward movement, the bases of the four bevel gear reversing transmissions will respectively use their own power The axis of the input shaft is the center, and swings accordingly under the action of the power output shaft of each bevel gear reversing transmission. Therefore, the driving device of the four-wheel drive amphibious vehicle of the present invention has the characteristics of high throughput, compact structure, stable performance, safety and reliability, high transmission efficiency and low energy consumption.

The four-wheel-drive amphibious vehicle driving device of the present invention will be further described below in conjunction with accompanying drawings.

Description of drawings

Fig. 1 is the front view when the four wheels of the four-wheel drive amphibious vehicle driving device of the present invention are in a retracted state;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is an enlarged top view of the right rear wheel in Fig. 1 in a lowered state.

Detailed ways

As shown in Fig. 1, Fig. 2 and Fig. 3, the four-wheel-drive amphibious vehicle driving device of the present invention comprises the engine 2 that is arranged on the front portion of the vehicle frame 1, the power shaft of the engine 2 is connected with the power input shaft of the gearbox 3, and the speed change The box 3 is installed on the frame 1 located at the rear side of the engine 2, the power output shaft of the gearbox 3 is connected with the power input shaft of the transfer case 4, and the transfer case 4 is installed on the frame 1 located at the rear side of the gearbox 3 , the transfer case 4 has a left front PTO shaft 5, a right front PTO shaft 6, a left rear PTO shaft 7, a right rear PTO shaft 8 and a middle rear PTO shaft 9 arranged in the horizontal direction, and the left front PTO shaft 5 consists of The left side of the front end of the transfer case 4 protrudes forward from the case of the transfer case 4, the right front power output shaft 6 protrudes forward from the right side of the front end of the transfer case 4, and the left rear power output Shaft 7 protrudes from the case body of transfer case 4 rearwardly from the left side of the rear end of transfer case 4, and the right rear power output shaft 8 protrudes rearward from the case body of transfer case 4 from the right side of the rear end of transfer case 4. The middle and rear power output shaft 9 protrudes backward from the case of the transfer case 4 from the middle of the transfer case 4, and the middle and rear power output shaft 9 is connected with the front end of the water transmission shaft 10, and the water transmission shaft 10 is arranged along the front and rear horizontal water direction The rear end of the water transmission shaft 10 is connected to the power input end of the water jet propeller 11. The water jet propeller 11 is installed in the middle of the rear end of the vehicle frame 1 along the front and rear horizontal directions. A bevel gear reversing transmission device 22 with a transmission ratio of 1 is respectively provided at the left rear part and the right rear part. The power input shafts of the bevel gear reversing transmission device 22 at the right front protrude backwards respectively along the horizontal direction of the vehicle frame 1, and the power input shafts of the bevel gear reversing transmission devices 22 at the left rear part and the right rear part respectively extend along the vehicle frame 1. The frame 1 protrudes forward in the horizontal direction, and the power input shaft of the bevel gear reversing transmission device 22 located at the left rear part of the frame 1 passes through the left rear transmission shaft 12 with universal joints at both ends and the left rear power output shaft 7 The transmission is connected, and the power input shaft of the bevel gear reversing transmission device 22 located at the right rear part of the vehicle frame 1 is connected with the right rear power output shaft 8 through the right rear transmission shaft 13 with universal joints at both ends. The power input shaft of the bevel gear reversing transmission device 22 at the left front part is connected with the left front power output shaft 5 through the left front transmission shaft 14 with universal joints at both ends, and the bevel gear reversing transmission device 22 located at the right front part of the vehicle frame 1 The power input shaft is connected to the right front power output shaft 6 through the right front transmission shaft 15 with universal joints at both ends, and the bases 23 of the four bevel gear reversing transmission devices 22 are respectively centered on the axis of their own power input shaft. Rotatably installed on the vehicle frame 1, the power output shaft 20 of each bevel gear reversing transmission device 22 protrudes outwards along the left and right directions respectively, and the power output shaft 20 of each bevel gear reversing transmission device 22 faces outwards. Inserting holes are respectively provided in the shaft section at one end of the shaft section, and each inserting hole is connected with the shaft section at the inner end of a telescopic drive shaft 18 by spline fit to be slidably plugged in. Each telescopic drive shaft 18 ball cage 17 are installed and connected, and each ball cage 17 is installed on the central part of a wheel 16 respectively.

As shown in Figure 3, a front support sleeve 19 is respectively fixed on the power input end of each base 23, and the front support sleeve 19 is arranged concentrically with the power input shaft on the bevel gear reversing transmission device 22 where it is located. The outer sidewalls of the front support sleeve 19 are respectively inserted in a swing guide sleeve (not shown in the figure) using clearance fit, and each swing guide sleeve is fixedly connected with the vehicle frame 1 respectively; The opposite end is respectively provided with a supporting shaft 21, and the supporting shaft 21 is coaxially arranged with the power input shaft on the bevel gear reversing transmission device 22. Each supporting shaft 21 passes through a rolling bearing or a sliding bearing seat (not shown in the figure) respectively. Draw) is installed on the vehicle frame 1.

When the four-wheel-drive amphibious vehicle driving device of the present invention is in use, the power shaft of the engine 2 that is arranged on the front portion of the vehicle frame 1 can drag the power input shaft of the gearbox 3 to rotate, so that the power output shaft of the gearbox 3 rotates and the speed is changed. The power output shaft of case 3 then drives the power input shaft of transfer case 4 to rotate, and the left front PTO shaft 5, right front PTO shaft 6, left rear PTO shaft 7, right rear PTO shaft 8 or middle Rear power take-off shaft 9 also can be brought to rotate, when the four-wheel-drive amphibious vehicle that uses four-wheel-drive amphibious vehicle driving device of the present invention needs to travel in water, let the left front power take-off shaft 5, right front by the control device of transfer case 4 The PTO shaft 6, the left rear PTO shaft 7 and the right rear PTO shaft 8 are out of the driven state, and the middle and rear PTO shaft 9 of the transfer case 4 is allowed to drive the water transmission shaft 10 to rotate, and the water transmission shaft 10 drives the jet The water propeller 11 works, thereby allowing the four-wheel-drive amphibious vehicle using the four-wheel-drive amphibious vehicle driving device of the present invention to move in water.

When the four-wheel drive amphibious vehicle using the four-wheel drive amphibious vehicle driving device of the present invention needs to travel on land, the left front power output shaft 5, the right front power output shaft 6, and the left rear power output shaft can be controlled by the control device of the transfer case 4. 7 and the right rear power output shaft 8 rotate, so that the middle and rear power output shaft 9 of the transfer case 4 is out of the driven state, and the power input shaft of the bevel gear reversing transmission device 22 located at the left rear part of the vehicle frame 1 passes through the belt at both ends. The left rear transmission shaft 12 with universal joint is driven to rotate by the left rear power output shaft 7, and the power input shaft of the bevel gear reversing transmission device 22 located at the right rear portion of the vehicle frame 1 passes through the right rear shaft with universal joints at both ends. The transmission shaft 13 is driven to rotate by the right rear power output shaft 8, and the power input shaft of the bevel gear reversing transmission device 22 positioned at the left front of the vehicle frame 14 times the left front power output shaft 5 through the left front transmission shaft with universal joints at both ends. Driven to rotate, the power input shaft of the bevel gear reversing transmission device 22 located at the right front part of the vehicle frame 1 is driven to rotate by the right front power output shaft 6 through the right front transmission shaft 15 with universal joints at both ends, so the power input shaft on the vehicle frame 1 The power take-off shaft 20 of the bevel gear reversing transmission device 22 of the left front, the right front, the left rear, and the right rear will also rotate, and drive a retractable drive shaft 18 to rotate respectively, and each retractable drive shaft 18 will rotate A ball cage 17 drives a wheel 16 to rotate respectively, so that the four-wheel-drive amphibious vehicle using the four-wheel-drive amphibious vehicle driving device of the present invention can move on land.

When the four-wheel amphibious vehicle using the four-wheel drive amphibious vehicle driving device of the present invention moves in water, the bottom end of each wheel 16 can be swung outward and upward with the ball cage 17 as the center of rotation through the wheel retractable device, so that Each wheel 16 is not in contact with the water surface, so as to reduce the resistance of the four-wheel-drive amphibious vehicle when driving in water. During the swinging process of each wheel 16, each retractable drive shaft 18 as a whole will move upwards and outwards. At this time, the inner end of each retractable drive shaft 18 can slide outwards for a certain distance from the insertion hole on the outer end face of the power output shaft 20 of each bevel gear reversing transmission device 22, but when each wheel 16 swings After putting in place, the inner end of each telescopic drive shaft 18 still will be inserted in the insertion hole on the outer end face of the power take-off shaft 20 of the bevel gear reversing transmission device 22, and each telescopic drive shaft 18 as a whole In the process of moving upwards and outwards, the bases 23 of the four bevel gear reversing transmissions 22 will respectively center on the axes of their own power input shafts, and the power output shafts of each bevel gear reversing transmission 22 will Swing occurs thereupon under the effect of the drive device of the four-wheel drive amphibious vehicle of the present invention, thereby ensuring that the driving device of the four-wheel drive amphibious vehicle keeps the state of transmission connection all the time.

The above-mentioned embodiments are only descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, ordinary engineers and technicians in the field may make various modifications to the technical solutions of the present invention. and improvements, all should fall within the scope of protection determined by the claims of the present invention.

Claims (3)

1. 4 wheel driven amphibious vehicle actuating device, it is characterized in that: comprise and be arranged on the anterior driving engine (2) of vehicle frame (1), the dynamical axis of driving engine (2) is connected with the power input shaft of change speed gear box (3), change speed gear box (3) is arranged on the vehicle frame (1) that is positioned at driving engine (2) rear side, the power take-off shaft of change speed gear box (3) is connected with the power input shaft of auxiliary gear box (4), auxiliary gear box (4) is arranged on the vehicle frame (1) that is positioned at change speed gear box (3) rear side, auxiliary gear box (4) has the left front power take-off shaft (5) that along continuous straight runs arranges, right front power take-off shaft (6), left back power take-off shaft (7), right back power take-off shaft (8) and middle rear power output shaft (9), left front power take-off shaft (5) stretches out forward the casing of auxiliary gear box (4) by the left side of auxiliary gear box (4) front end, right front power take-off shaft (6) stretches out forward the casing of auxiliary gear box (4) by the right side of auxiliary gear box (4) front end, left back power take-off shaft (7) stretches out the casing of auxiliary gear box (4) backward by the left side of auxiliary gear box (4) rear end, right back power take-off shaft (8) stretches out the casing of auxiliary gear box (4) backward by the right side of auxiliary gear box (4) rear end, middle rear power output shaft (9) stretches out the casing of auxiliary gear box (4) backward by the middle part of auxiliary gear box (4), middle rear power output shaft (9) is connected with the front end of transmission shaft waterborne (10), along front and back, horizontal water direction arranges transmission shaft waterborne (10), the rear end of transmission shaft waterborne (10) is connected with the power intake transmission of waterjet propulsor (11), waterjet propulsor (11) is arranged on the middle part of described vehicle frame (1) rear end along front and back horizontal direction, left front portion on described vehicle frame (1), right front portion, left back portion, right back portion place is respectively equipped with the bevel gear reverse drive gear (22) that a transmitting ratio is 1, each bevel gear reverse drive gear (22) comprises respectively a support (23) and a power input shaft, be positioned at left front portion, the power input shaft of the bevel gear reverse drive gear (22) of right front portion stretches out backward along the horizontal direction of vehicle frame (1) respectively, be positioned at left back portion, the power input shaft of the bevel gear reverse drive gear (22) of right back portion stretches out forward along the horizontal direction of vehicle frame (1) respectively, the left back transmission shaft (12) with universal-joint is connected with left back power take-off shaft (7) transmission by two ends to be positioned at the power input shaft of bevel gear reverse drive gear (22) of the left back portion of described vehicle frame (1), the right back transmission shaft (13) with universal-joint is connected with right back power take-off shaft (8) transmission by two ends to be positioned at the power input shaft of bevel gear reverse drive gear (22) of the right back portion of vehicle frame (1), the left front transmission shaft (14) with universal-joint is connected with left front power take-off shaft (5) transmission by two ends to be positioned at the power input shaft of bevel gear reverse drive gear (22) of the left front portion of vehicle frame (1), the right front transmission shaft (15) with universal-joint is connected with right front power take-off shaft (6) transmission by two ends to be positioned at the power input shaft of bevel gear reverse drive gear (22) of vehicle frame (1) right front portion, the support (23) of four described bevel gear reverse drive gears (22) can be arranged on rotationally on described vehicle frame (1) respectively centered by the axis of power input shaft of oneself, described in each, the power take-off shaft (20) of bevel gear reverse drive gear (22) is protruding along left and right directions respectively, in the shaft part of one end outwardly of the power take-off shaft (20) of each bevel gear reverse drive gear (22), be respectively equipped with plug-in opening, each plug-in opening respectively with the inner end shaft part of a collapsible drive (18) adopt spline fitted slidably plug-in mounting be connected, the outer end of each collapsible drive (18) is installed and is connected with a ball cage (17) respectively, each ball cage (17) is arranged on respectively the centre of a wheel (16).

2. 4 wheel driven amphibious vehicle actuating device according to claim 1, it is characterized in that: the power intake of support described in each (23) is fixed with respectively a front support cover (19), front support cover (19) arranges with the power input shaft concentric on place bevel gear reverse drive gear (22), and each front support cover (19) is arranged on described vehicle frame (1) by rolling bearing pedestal or plain bearing housing respectively.

3. 4 wheel driven amphibious vehicle actuating device according to claim 2, it is characterized in that: the upper other end relative with power intake of support described in each (23) is respectively equipped with a pivot shaft (21), pivot shaft (21) arranges with the power input shaft concentric on place bevel gear reverse drive gear (22), and pivot shaft described in each (21) is arranged on described vehicle frame (1) by antifriction-bearing box or plain bearing housing respectively.