Transmission case capable of switching number of output power ports

Abstract

The utility model relates to the technical field of transmission cases, and discloses a transmission case capable of switching the number of output power ports, which comprises a front shell and a rear shell, and the rear shell is arranged on the right side of the front shell; an oil cylinder assembly is arranged on the top of the front shell, an output gear sleeve is arranged on the left side of the front shell, a clutch gear sleeve attached to the front shell is arranged on the left side of the rear shell, an output shaft is rotationally connected to the right side of the rear shell, a shifting fork is arranged on the top of the clutch gear sleeve, and a clutch is arranged on the right side of the clutch gear sleeve. The clutch gear sleeve and the shifting fork are attached to the output gear sleeve. According to the transmission case capable of switching the number of the output power ports, through transmission of the output shaft and the rolling bearing, the output gear sleeve and the clutch gear sleeve are driven to achieve the function of switching the number of the output power ports, the number of the output power ports can be adjusted according to actual requirements, the flexibility and applicability of equipment are improved, and meanwhile, by means of control of the oil cylinder assembly and the shifting fork, the transmission efficiency is improved. Power transmission and cut-off are achieved, operation is easy and convenient, and response is rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission boxes, in particular to a transmission box capable of switching the number of output power ports. Background Art

[0002] The transmission box is suitable for the drive axle drive solution. The power is input from the motor / hydraulic motor end and transmitted to the output end through two stages. At the same time, a clutch shift device is designed at the output end to switch between rear-end unidirectional output and front and rear-end bidirectional output according to transmission requirements.

[0003] Gear Ⅰ: Initial position, the transfer case outputs in both directions at the front and rear ends simultaneously;

[0004] Gear II: One-way output at the rear end of the transmission box;

[0005] No median;

[0006] The clutch device uses hydraulic action as a power source and controls the switching of the oil circuit through an electromagnetic reversing valve to achieve disengagement and engagement of the output end.

[0007] According to the transmission requirements of the vehicle, a clutch device with rear-end unidirectional output and front and rear-end bidirectional simultaneous output switching is required, so a transmission box with switchable output power port number is proposed. Utility Model Content

[0008] 1. Technical issues to be solved

[0009] In view of the deficiencies in the prior art, the utility model provides a transmission box with switchable output power port numbers, which has the advantages of being economical and reliable, and having switchable output power port numbers, thereby solving the problem of difficulty in switching between multiple output power gears.

[0010] (II) Technical solution

[0011] In order to achieve the above-mentioned economical and reliable purpose of switchable output power port quantity, the utility model provides the following technical solution: a transmission box with switchable output power port quantity, comprising a front housing and a rear housing, wherein the rear housing is arranged on the right side of the front housing;

[0012] The top of the front housing is provided with an oil cylinder assembly, the left side of the front housing is provided with an output gear sleeve, the left side of the rear housing is provided with a clutch gear sleeve that fits the front housing, and the right side of the rear housing is rotatably connected with an output shaft.

[0013] As a preferred technical solution of the utility model, a shift fork is arranged on the top of the clutch gear sleeve, and the clutch gear sleeve and the shift fork are in contact with the output gear sleeve.

[0014] As a preferred technical solution of the utility model, a radial hole is opened on the inner side of the output shaft, and a positioning steel ball and a spring are installed on the inner side of the radial hole. The positioning steel ball and the spring are arranged on the inner side of the clutch sleeve and fit therewith.

[0015] As a preferred technical solution of the utility model, a travel switch is arranged on the top right side of the rear housing, an adjustment gasket is arranged on the left output end of the travel switch, the top of the fork is transmission-connected with a fork shaft, the left side of the fork shaft is connected to the cylinder assembly, and the right side of the fork shaft can be connected to the travel switch.

[0016] As a preferred technical solution of the utility model, a rolling bearing A that fits with the output gear sleeve is arranged on the inner side of the front housing, a rolling bearing B that fits with the output shaft is arranged on the inner side of the output gear sleeve, a rolling bearing C that is fixedly connected to the end of the output gear sleeve is vertically arranged on the inner side of the end of the front housing, the rolling bearing B and the rolling bearing C are on the same vertical line, and a rolling bearing D that fits with the end of the output shaft is arranged on the inner side of the rear housing.

[0017] As a preferred technical solution of the utility model, the outer surface of the output shaft is drivingly connected to a secondary driven wheel, and a spacer sleeve fixed to the D rolling bearing is arranged on the right side of the secondary driven wheel.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides a transmission box with switchable output power ports, which has the following beneficial effects:

[0020] The transmission box with switchable output power port number drives the output gear sleeve and the clutch gear sleeve to switch the output power port number through the transmission of the output shaft and the rolling bearing. The output power port number can be adjusted according to actual needs, thereby improving the flexibility and applicability of the equipment. At the same time, with the control of the cylinder assembly and the shift fork, the power transmission and cutting are realized, and the operation is simple and the response is quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the cross-section structure of the utility model in a plane.

[0022] In the figure: 1. Cylinder assembly; 2. Front housing; 3. Output gear sleeve; 4. A rolling bearing; 5. B rolling bearing; 6. C rolling bearing; 7. Clutch gear sleeve; 8. Positioning steel ball and spring; 9. Secondary driven wheel; 10. Spacer; 11. Rear housing; 12. D rolling bearing; 13. Output shaft; 14. Shift fork; 15. Travel switch; 16. Adjustment gasket; 17. Shift fork shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 A transmission box with switchable output power port number includes a front shell 2 and a rear shell 11, and the rear shell 11 is arranged on the right side of the front shell 2.

[0027] The top of the front housing 2 is provided with a cylinder assembly 1, the left side of the front housing 2 is provided with an output gear sleeve 3, the left side of the rear housing 11 is provided with a clutch gear sleeve 7 that fits with the front housing 2, and the right side of the rear housing 11 is rotatably connected with an output shaft 13.

[0028] In this embodiment, the outer surface of the output shaft 13 is drivingly connected to the secondary driven wheel 9 , and a spacer sleeve 10 fixed to the D rolling bearing 12 is provided on the right side of the secondary driven wheel 9 .

[0029] It should be noted that the front housing 2 and the rear housing 11 are the main structures of the transmission box. The input power of the motor / hydraulic motor is transmitted to the secondary driven wheel 9. The secondary driven wheel 9 is fixed to the output shaft 13 through spline engagement and rotates simultaneously with the output shaft 13.

[0030] In this embodiment, a shift fork 14 is provided on the top of the clutch gear sleeve 7 , and the clutch gear sleeve 7 and the shift fork 14 fit in with the output gear sleeve 3 .

[0031] It should be noted that one end of the clutch gear sleeve 7 cooperates with the foot of the shift fork 14, and the other end is disengaged and engaged with the output gear sleeve 3 as the clutch action switches.

[0032] In this embodiment, a radial hole is opened on the inner side of the output shaft 13, and a positioning steel ball and a spring 8 are installed on the inner side of the radial hole. The positioning steel ball and the spring 8 are arranged on the inner side of the clutch sleeve 7 and fit therewith to achieve mechanical locking of the clutch sleeve 7.

[0033] In this embodiment, a travel switch 15 is provided on the top right side of the rear housing 11, an adjustment gasket 16 is provided at the left output end of the travel switch 15, a fork shaft 17 is transmission-connected to the top of the fork 14, the left side of the fork shaft 17 is connected to the cylinder assembly 1, and the right side of the fork shaft 17 can be connected to the travel switch 15.

[0034] The shift fork 14 is fixedly connected to the shift fork shaft 17 via a positioning pin, the foot of the shift fork 14 is embedded in the clutch gear sleeve 7, and the shift fork shaft 17 is connected to the cylinder attachment.

[0035] It should be noted that when the foot of the shift fork 14 is completely disengaged from the clutch gear sleeve 7, the shift fork shaft 17 contacts the end of the travel switch 15 to realize the sensing function.

[0036] In this embodiment, a rolling bearing A 4 that fits with the output gear sleeve 3 is provided on the inner side of the front housing 2, a rolling bearing B 5 that fits with the output shaft 13 is provided on the inner side of the output gear sleeve 3, a rolling bearing C 6 that is fixedly connected to the end of the output gear sleeve 3 is vertically provided on the inner side of the end of the front housing 2, the rolling bearing B 5 and the rolling bearing C 6 are on the same vertical line, and a rolling bearing D 12 that fits with the end of the output shaft 13 is provided on the inner side of the rear housing 11.

[0037] It should be noted that the output shaft 13 and the output gear sleeve 3 are mutually supported by various rolling bearings and fixed to the front and rear housings.

[0038] The control route in the above embodiment is:

[0039] Solenoid valve reversing valve - cylinder attachment - fork shaft 17 - fork 14 - clutch gear sleeve 7 (disengagement / engagement), and finally realize the hydraulic clutch gear switching.

[0040] The beneficial effects of the above embodiment are:

[0041] Through the transmission of the output shaft 13 and the rolling bearing, the output gear sleeve 3 and the clutch gear sleeve 7 are driven to switch the number of output power ports. The number of output power ports can be adjusted according to actual needs, which improves the flexibility and applicability of the equipment. At the same time, with the control of the cylinder assembly 1 and the fork 14, the power transmission and cutting are realized, which is easy to operate and quick to respond.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transmission box capable of switching the number of output power ports, comprising a front housing (2) and a rear housing (11), wherein the rear housing (11) is arranged on the right side of the front housing (2); Features: The top of the front housing (2) is provided with an oil cylinder assembly (1), the left side of the front housing (2) is provided with an output gear sleeve (3), the left side of the rear housing (11) is provided with a clutch gear sleeve (7) that fits the front housing (2), and the right side of the rear housing (11) is rotatably connected with an output shaft (13).

2. A transmission box with switchable output power ports according to claim 1, characterized in that: A shift fork (14) is arranged on the top of the clutch gear sleeve (7), and the clutch gear sleeve (7) and the shift fork (14) are in close contact with the output gear sleeve (3).

3. A transmission box with switchable output power ports according to claim 1, characterized in that: A radial hole is opened on the inner side of the output shaft (13), and a positioning steel ball and a spring (8) are installed on the inner side of the radial hole. The positioning steel ball and the spring (8) are arranged on the inner side of the clutch gear sleeve (7) and fit therewith.

4. A transmission box with switchable output power ports according to claim 2, characterized in that: A travel switch (15) is arranged on the right side of the top of the rear housing (11); an adjustment gasket (16) is arranged at the left output end of the travel switch (15); a fork shaft (17) is transmission-connected to the top of the fork (14); the left side of the fork shaft (17) is connected to the oil cylinder assembly (1); and the right side of the fork shaft (17) can be connected to the travel switch (15).

5. A transmission box with switchable output power ports according to claim 1, characterized in that: The inner side of the front housing (2) is provided with an A rolling bearing (4) which is in contact with the output gear sleeve (3); the inner side of the output gear sleeve (3) is provided with a B rolling bearing (5) which is in contact with the output shaft (13); the inner side of the end of the front housing (2) is provided with a C rolling bearing (6) which is fixedly connected to the end of the output gear sleeve (3); the B rolling bearing (5) and the C rolling bearing (6) are located on the same vertical line; the inner side of the rear housing (11) is provided with a D rolling bearing (12) which is in contact with the end of the output shaft (13).

6. A transmission box with switchable output power ports according to claim 5, characterized in that: The outer surface of the output shaft (13) is drivingly connected to a secondary driven wheel (9), and a spacer sleeve (10) fixed to a D rolling bearing (12) is arranged on the right side of the secondary driven wheel (9).

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