CN212536611U - Pickup transfer case - Google Patents

Abstract

The utility model discloses a pick up transfer case, include: the gearbox comprises a box body, wherein an input shaft is rotatably arranged on one side of the upper end of the box body through a first bearing, one end, extending out of the box body, of the input shaft is connected with a transmission shaft of a pickup gearbox, a main output shaft is rotatably arranged on the other side of the upper end of the box body through a second bearing, one end, extending out of the box body, of the main output shaft is connected with a transmission shaft of a pickup rear axle tire, the other end, extending into the box body, of the input shaft is movably connected with the other end, extending into the box body, of the main output shaft through a third bearing, an input gear is rotatably arranged on the input shaft in the box body through a third bearing, a first spline is arranged on the input gear, a second spline is arranged on the main output shaft in the box body, and a third spline is arranged on the.

Description

Pickup transfer case

Technical Field

The utility model relates to a transfer case especially relates to a pick up transfer case.

Background

A transfer case is a device that can redistribute the power output by an engine to drive various other devices. Because the pickup has compact structure and compact chassis space, no transfer case with proper size and function exists at present, but because various special equipment tends to be miniaturized more and more, the pickup has strong power and small volume as a vehicle with strong adaptability, more and more special vehicles use the pickup as a modified chassis, and therefore, the pickup transfer case with complete functions and compact structure is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a pickup transfer case with compact structure.

In order to solve the technical problem, the utility model discloses a technical scheme is: pick-up transfer case, comprising: the device comprises a box body, wherein an input shaft is rotatably arranged on one side of the upper end of the box body through a first bearing, one end of the input shaft extending out of the box body is connected with a transmission shaft of a pickup gearbox, a main output shaft is rotatably arranged on the other side of the upper end of the box body through a second bearing, one end of the main output shaft extending out of the box body is connected with a transmission shaft of a pickup rear axle tire, the other end of the input shaft extending into the box body is movably connected with the other end of the main output shaft extending into the box body through a third bearing, an input gear is rotatably arranged on the input shaft in the box body through a third bearing, a first spline is arranged on the input gear, a second spline is arranged on the main output shaft in the box body, a third spline is arranged on the input shaft between the first spline and the second spline, and the first spline, the second spline and the third spline are coaxially arranged with, first spline, second spline and third spline slide to be provided with rather than the spline sliding sleeve of mutually supporting, the spline sliding sleeve is connected with the pneumatic shift fork device that sets up on the box, the structure of pneumatic shift fork device includes: the shifting fork rod is arranged in the sliding seat and the cylinder sleeve in a sliding manner, a shifting fork connected with a spline sliding sleeve is arranged on the shifting fork rod in the sliding seat, a piston sliding cavity is arranged in the cylinder sleeve, a piston matched with the piston sliding cavity is arranged on the shifting fork rod in the cylinder sleeve, a first air inlet communicated with the piston sliding cavity is arranged on the cylinder sleeve on one side, away from the sliding seat, of the piston, a second air inlet communicated with the piston sliding cavity is arranged on the cylinder sleeve on the other side, close to the sliding seat, of the piston, a middle shaft is arranged in the middle of the box body, a middle gear meshed with an input gear is rotatably arranged on the middle shaft through a fifth bearing, an auxiliary output shaft is rotatably arranged at the lower end of the box body through a sixth bearing, and one end, extending out of the box body, of the auxiliary output shaft is connected with a hydraulic pump, and an auxiliary output gear which is meshed with the intermediate gear is arranged on an auxiliary output shaft in the box body.

The utility model has the advantages that: the pickup transfer case is used for pickup normal driving and parking transfer work, has a compact structure, occupies small space, realizes automatic switching, has high automation degree, and meets the use requirements of people.

Drawings

Fig. 1 is the structure schematic diagram of the pickup transfer case of the utility model.

Fig. 2 is a schematic structural view of the fork device in fig. 1.

In the figure: 1. the gearbox comprises a box body, 2, a first bearing, 3, an input shaft, 4, a second bearing, 5, a main output shaft, 6, a third bearing, 7, a fourth bearing, 8, an input gear, 9, a first spline, 10, a second spline, 11, a third spline, 12, a spline sliding sleeve, 13, a pneumatic shifting fork device, 131, a sliding seat, 132, a cylinder sleeve, 133, a shifting fork rod, 134, a shifting fork, 135, a piston sliding cavity, 136, a piston, 137, a first air inlet, 138, a second air inlet, 14, an intermediate shaft, 15, a fifth bearing, 16, an intermediate gear, 17, a sixth bearing, 18, an auxiliary output shaft, 19 and an auxiliary output gear.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the pickup transfer case includes: the device comprises a box body 1, wherein an input shaft 3 is rotatably arranged on one side of the upper end of the box body 1 through a first bearing 2, one end of the input shaft 3, extending out of the box body 1, is connected with a transmission shaft of a pickup gearbox, a main output shaft 5 is rotatably arranged on the other side of the upper end of the box body 1 through a second bearing 4, one end of the main output shaft 5, extending out of the box body 1, is connected with a transmission shaft of a pickup rear axle tire, the other end of the input shaft 3, extending into the box body 1, is movably connected with the other end of the main output shaft 5, extending into the box body 1, through a third bearing 6, an input gear 8 is rotatably arranged on the input shaft 3 in the box body 1 through a fourth bearing 7, a first spline 9 is arranged on the input gear 8, a second spline 10 is arranged on the main output shaft 5 in the box body 1, and a third spline 11 is arranged on the input shaft 3 between the, first spline 9, second spline 10 and third spline 11 set up with the same axle center with the diameter first spline 9, second spline 10 and third spline 11 slide and are provided with rather than the spline sliding sleeve 12 of mutually supporting, spline sliding sleeve 12 is connected with the pneumatic fork device 13 that sets up on box 1, pneumatic fork device 13's structure includes: a sliding seat 131 fixedly arranged on the box body 1 and a cylinder sleeve 132 connected with one end of the sliding seat 131, a shifting fork rod 133 is arranged in the sliding seat 131 and the cylinder sleeve 132 in a sliding way, a shifting fork 134 connected with a spline sliding sleeve 12 is arranged on the shifting fork rod 133 in the sliding seat 131, a piston sliding cavity 135 is arranged in the cylinder sleeve 132, a piston 136 matched with the piston sliding cavity 135 is arranged on the shifting fork rod 133 in the cylinder sleeve 132, a first air inlet 137 communicated with the piston sliding cavity 135 is arranged on the cylinder sleeve 132 at one side of the piston 136 far away from the sliding seat 131, a second air inlet 138 communicated with the piston sliding cavity 135 is arranged on the cylinder sleeve 132 at the other side of the piston 136 near the sliding seat 131, an intermediate shaft 14 is arranged in the middle part of the box body 1, an intermediate gear 16 meshed with the input gear 8 is rotatably arranged on the intermediate shaft 14 through a fifth bearing 15, an auxiliary output shaft 18 is rotatably arranged at the lower end of the box body 1 through a sixth bearing 17, one end of the auxiliary output shaft 18 extending out of the box body 1 is connected with a hydraulic pump, and an auxiliary output gear 19 meshed with the intermediate gear 16 is arranged on the auxiliary output shaft 18 in the box body 1.

During normal driving, spline sliding sleeve 12 is located between second spline 10 and third spline 11, the transmission shaft of pick up gearbox drives input shaft 3 and passes through first bearing 2 at 1 internal rotation of box, meanwhile, input shaft 3 passes through the internal rotation of third bearing 7 at input gear 8, input shaft 3 drives third spline 11 and rotates, third spline 11 drives spline sliding sleeve 12 and rotates, spline sliding sleeve 12 drives second spline 10 and rotates, second spline 10 drives main output shaft 5 and passes through the internal rotation of second bearing 4 at box 1, main output shaft 5 drives the transmission shaft rotation of pick up rear axle tire, the tire rotates and drives the pick up and realizes normal driving.

When the parking device is in parking operation, compressed air is fed in from the first air inlet 137, the compressed air pushes the piston 136 to slide to the right in the piston sliding cavity 135, the piston 136 drives the shifting fork rod 133 to slide to the right in the sliding seat 131 and the cylinder sleeve 132, the shifting fork rod 133 drives the shifting fork 134 to slide to the right, the shifting fork 134 drives the spline sliding sleeve 12 to slide to the right, the spline sliding sleeve 12 slides to the right between the first spline 9 and the third spline 11, at this time, the transmission shaft of the pickup gearbox drives the input shaft 3 to rotate in the box body 1 through the first bearing 2, the input shaft 3 drives the third spline 11 to rotate, the third spline 11 drives the spline sliding sleeve 12 to rotate, the spline sliding sleeve 12 drives the first spline 9 to rotate, the first spline 9 drives the input gear 8 to rotate, the input gear 8 drives the intermediate gear 16 to rotate on the intermediate shaft 14 through the fourth bearing 15, the intermediate gear 16 drives the auxiliary output, the auxiliary output gear 19 drives the auxiliary output shaft 18 to rotate in the box body 1 through the fifth bearing 17, and the auxiliary output shaft 18 drives the hydraulic pump to work.

Claims (1)

1. Pick up transfer case, its characterized in that: the method comprises the following steps: the device comprises a box body (1), wherein an input shaft (3) is rotatably arranged on one side of the upper end of the box body (1) through a first bearing (2), one end, extending out of the box body (1), of the input shaft (3) is connected with a transmission shaft of a pickup gearbox, a main output shaft (5) is rotatably arranged on the other side of the upper end of the box body (1) through a second bearing (4), one end, extending out of the box body (1), of the main output shaft (5) is connected with a transmission shaft of a pickup rear axle tire, the other end, extending into the box body (1), of the input shaft (3) is movably connected with the other end, extending into the box body (1), of the main output shaft (5) through a third bearing (6), an input gear (8) is rotatably arranged on the input shaft (3) in the box body (1) through a fourth bearing (7), a first spline (9) is arranged on the input gear (8), and a second spline (10) is arranged on the main output shaft (5), be provided with third spline (11) on input shaft (3) between first spline (9) and second spline (10), first spline (9), second spline (10) and third spline (11) set up with the same axle center with the diameter slide on first spline (9), second spline (10) and third spline (11) and be provided with spline sliding sleeve (12) rather than mutually supporting, spline sliding sleeve (12) are connected with pneumatic fork device (13) of setting on box (1), the structure of pneumatic fork device (13) includes: a sliding seat (131) fixedly arranged on a box body (1) and a cylinder sleeve (132) connected with one end of the sliding seat (131), a shifting fork rod (133) is arranged in the sliding seat (131) and the cylinder sleeve (132) in a sliding manner, a shifting fork (134) connected with a spline sliding sleeve (12) is arranged on the shifting fork rod (133) in the sliding seat (131), a piston sliding cavity (135) is arranged in the cylinder sleeve (132), a piston (136) matched with the piston sliding cavity (135) is arranged on the shifting fork rod (133) in the cylinder sleeve (132), a first air inlet (137) communicated with the piston sliding cavity (135) is arranged on the cylinder sleeve (132) at one side of the piston (136) far away from the sliding seat (131), a second air inlet (138) communicated with the piston sliding cavity (135) is arranged on the cylinder sleeve (132) at the other side of the piston (136) close to the sliding seat (131), an intermediate shaft (14) is arranged in the middle of the box body (1), an intermediate gear (16) meshed with the input gear (8) is rotatably arranged on the intermediate shaft (14) through a fifth bearing (15), an auxiliary output shaft (18) is rotatably arranged at the lower end of the box body (1) through a sixth bearing (17), one end, extending out of the box body (1), of the auxiliary output shaft (18) is connected with a hydraulic pump, and an auxiliary output gear (19) meshed with the intermediate gear (16) is arranged on the auxiliary output shaft (18) in the box body (1).

Images