Dual-power-output power takeoff and transmission and automobile based on dual-power-output power takeoff

Abstract

The utility model discloses a dual power output power takeoff and a transmission and an automobile based on the same, and belongs to the technical field of transmission design, the dual power output power takeoff comprises a power takeoff input shaft, the power takeoff input shaft obtains power from the transmission, and a shifting fork and a shifting fork shaft set are controlled by a shifting fork control module to move rightwards; an inner spline of the sliding sleeve is combined with an outer spline at the right end of the power takeoff input shaft and an outer spline at the right end of the power gear at the same time, so that power is transmitted to the sliding sleeve from the power takeoff input shaft and then transmitted to the power gear, and first output shaft teeth and second output shaft teeth are meshed with left side teeth of the power gear; power is transmitted to the first output shaft gear and the second output shaft gear from the power gear and then output, a main engine plant can choose to use two power output ports of the power takeoff at the same time or choose to use any one of the two power output ports of the power takeoff according to actual requirements, and the power takeoff can be used for meeting the requirement for multiple output power on a transmission. The weight of the transmission assembly can be effectively reduced, and the industrial cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission design, and in particular relates to a dual-power output power take-off and a transmission and a car based thereon. Background Art

[0002] A power take-off is a set of one or more speed gears, also known as a power output device, which is mainly composed of a gearbox, a gear pair, an output flange, a controller, etc. It can be connected to the gearbox to output power to an external working device, such as a lifting pump. The power take-off in a commercial vehicle transmission generally has only one power output port, which is a set of speed gears. This design is to ensure the stability and reliability of power output, and can also meet the needs of commercial vehicles under various working conditions.

[0003] At present, most of the power take-offs used in commercial vehicle transmissions in the market have only one power output port. If the OEM requires more power output from the transmission, the general solution of the transmission manufacturer is to install multiple power take-offs on the transmission to meet the needs of the OEM. Installing multiple power take-offs on the transmission will not only increase the weight of the entire transmission assembly, but also increase the cost. In addition, the connection between the two power take-offs and the transmission will increase the possibility of breakage between the power take-off and the transmission housing, oil leakage, loose bolts, etc., which will increase the probability of after-sales maintenance to a certain extent and affect the customer's experience of using the car. Utility Model Content

[0004] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the utility model is to provide a dual power output power take-off and a transmission and automobile based thereon, so as to solve the technical problem in the prior art that when multiple output power requirements are made on the transmission, the use of multiple power take-offs to connect the transmission will increase the risk of breakage between the power take-off and the transmission housing, oil leakage, and loose bolts.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A dual power output power take-off comprises: a power take-off housing and a power take-off cover, wherein a first output shaft tooth, a power take-off input shaft and a second output shaft tooth are fixedly arranged inside the power take-off housing, and the first output shaft tooth and the second output shaft tooth are meshed with a power gear on the power take-off input shaft, and a shift fork control module is arranged on the power take-off cover, the shift fork control module is connected to a shift fork and a shift fork shaft group, the shift fork and the shift fork shaft group are arranged in a sliding sleeve, and the sliding sleeve is in contact with the power gear and the power take-off input shaft.

[0007] Preferably, the power gear on the power take-off input shaft is meshed with the first output shaft teeth and the second output shaft teeth on a side close to the power take-off housing.

[0008] Preferably, when the shift fork control module is working, the shift fork and the shift fork shaft assembly move to the right, so that the internal spline of the sliding sleeve is simultaneously engaged with the external spline at the right end of the power take-off input shaft and the external spline at the right end of the power gear.

[0009] Preferably, the output end of the first output shaft tooth is connected to the output flange; and the output end of the second output shaft tooth is a spline.

[0010] Preferably, the power take-off input shaft, the first output shaft gear and the second output shaft gear are supported and fixed by bearings installed at corresponding positions of the power take-off housing and the power take-off cover.

[0011] Preferably, the output ends of the first output shaft gear and the second output shaft gear are sealed by oil seals installed at corresponding positions of the power take-off cover.

[0012] Preferably, a needle bearing is provided between the power gear and the power take-off input shaft.

[0013] Preferably, the shift fork control module is a mechanical pneumatic shift fork control module or an electrically controlled pneumatic shift fork control module.

[0014] The present application also discloses a transmission using any of the dual power output power take-offs described above.

[0015] The application also discloses a car using the transmission.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The present application discloses a dual power output power take-off, in which the power take-off input shaft obtains power from the transmission, and the shift fork and the shift fork shaft assembly are controlled to move to the right by the shift fork control module, so that the inner spline of the sleeve is simultaneously combined with the outer spline at the right end of the power take-off input shaft and the outer spline at the right end of the power gear, so that power is transmitted from the power take-off input shaft to the sleeve and then to the power gear, and the first output shaft teeth and the second output shaft teeth are meshed with the left teeth of the power gear, so that power is transmitted from the power gear to the first output shaft teeth and the second output shaft teeth, and finally transmitted and outputted. The main engine manufacturer can choose to use the two power output ports of the power take-off at the same time according to actual needs, or choose to use any one of the two power output ports of the power take-off, so as to meet the requirements of multiple output powers on the transmission. In addition, the dual power output power take-off designed in the present application has the characteristics of compact structure, light weight and low cost. The use of this power take-off can effectively reduce the weight of the transmission assembly and reduce industrial costs.

[0018] Furthermore, a needle bearing is installed between the power gear and the power take-off input shaft, so that there is no direct power connection between the two and the rotation is flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is the power transmission route map of the utility model.

[0021] Among them: 1-power take-off input shaft; 2-power gear; 3-first output shaft tooth; 4-power take-off housing; 5-power take-off cover; 6-output flange; 7-shift fork control module; 8-shift fork and shift fork shaft assembly; 9-sliding sleeve; 10-second output shaft tooth. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] The utility model is further described in detail below with reference to the accompanying drawings:

[0025] See also Figure 1 The present application discloses a dual power output power take-off, comprising: a power take-off housing 4 and a power take-off cover 5, wherein a first output shaft tooth 3, a power take-off input shaft 1 and a second output shaft tooth 10 are fixedly arranged inside the power take-off housing 4, and the first output shaft tooth 3 and the second output shaft tooth 10 are meshed with a power gear 2 on the power take-off input shaft 1, and a shift fork control module 7 is arranged on the power take-off cover 5, and the shift fork control module 7 is connected to a shift fork and a shift fork shaft group 8, and the shift fork and the shift fork shaft group 8 are arranged in a sliding sleeve 9 and the sliding sleeve 9 is in contact with the power gear 2 and the power take-off input shaft 1.

[0026] The power take-off input shaft 1 obtains power from the transmission, and controls the shift fork and the shift fork shaft assembly 8 to move to the right through the shift fork control module 7, so that the inner spline of the sleeve 9 is simultaneously combined with the outer spline of the power take-off input shaft 1 and the outer spline of the power gear 2, so that the power is transmitted from the power take-off input shaft 1 to the sleeve 9 and then to the power gear 2. The first output shaft teeth 3 and the second output shaft teeth 10 are meshed with the power gear 2, so that the power is transmitted from the power gear 2 to the first output shaft teeth 3 and the second output shaft teeth 10, and finally transmitted and output. The OEM can choose to use the two power output ports of the power take-off at the same time according to actual needs, or choose to use any one of the two power output ports of the power take-off, which can meet the requirements of multiple output powers on the transmission. In addition, the dual power output power take-off designed in this application has the characteristics of compact structure, light weight and low cost. The use of this power take-off can effectively reduce the weight of the transmission assembly and reduce industrial costs.

[0027] In some embodiments, the power gear 2 on the power take-off input shaft 1 is meshed with the first output shaft teeth 3 and the second output shaft teeth 10 on the side close to the power take-off housing 4 .

[0028] See also Figure 2 Working principle: the power take-off input shaft 1 obtains power from the transmission, and controls the shift fork and the shift fork shaft assembly 8 to move to the right through the shift fork control module 7, so that the inner spline of the sleeve 9 is simultaneously combined with the outer spline at the right end of the power take-off input shaft 1 and the outer spline at the right end of the power gear 2, so that the power is transmitted from the power take-off input shaft 1 to the sleeve 9 and then to the power gear 2. The first output shaft teeth 3 and the second output shaft teeth 10 are meshed with the left teeth of the power gear 2, so that the power is transmitted from the power gear 2 to the first output shaft teeth 3 and the second output shaft teeth 10, and finally transmitted for output.

[0029] In some embodiments, the power take-off input shaft 1, the first output shaft gear 3 and the second output shaft gear 10 are supported by bearings installed at corresponding positions of the power take-off housing 4 and the power take-off cover 5 (the bearings are omitted in the figure).

[0030] See also Figure 2 Working principle: the power take-off input shaft 1 obtains power from the transmission, and controls the shift fork and the shift fork shaft assembly 8 to move to the right through the shift fork control module 7, so that the inner spline of the sleeve 9 is simultaneously combined with the outer spline at the right end of the power take-off input shaft 1 and the outer spline at the right end of the power gear 2, so that the power is transmitted from the power take-off input shaft 1 to the sleeve 9 and then to the power gear 2. The first output shaft teeth 3 and the second output shaft teeth 10 are meshed with the left teeth of the power gear 2, so that the power is transmitted from the power gear 2 to the first output shaft teeth 3 and the second output shaft teeth 10, and finally transmitted for output.

[0031] In some embodiments, the output ends of the first output shaft gear 3 and the second output shaft gear 10 are sealed by oil seals installed at corresponding positions of the power take-off cover 5 .

[0032] See also Figure 2 Working principle: the power take-off input shaft 1 obtains power from the transmission, and controls the shift fork and the shift fork shaft assembly 8 to move to the right through the shift fork control module 7, so that the inner spline of the sleeve 9 is simultaneously combined with the outer spline at the right end of the power take-off input shaft 1 and the outer spline at the right end of the power gear 2, so that the power is transmitted from the power take-off input shaft 1 to the sleeve 9 and then to the power gear 2. The first output shaft teeth 3 and the second output shaft teeth 10 are meshed with the left teeth of the power gear 2, so that the power is transmitted from the power gear 2 to the first output shaft teeth 3 and the second output shaft teeth 10, and finally transmitted for output.

[0033] In some embodiments, needle bearings are installed on the power gear 2 and the power take-off input shaft 1 so that there is no direct power connection between the two and the rotation is flexible.

[0034] See also Figure 2 Working principle: the power take-off input shaft 1 obtains power from the transmission, and controls the shift fork and the shift fork shaft assembly 8 to move to the right through the shift fork control module 7, so that the inner spline of the sleeve 9 is simultaneously combined with the outer spline at the right end of the power take-off input shaft 1 and the outer spline at the right end of the power gear 2, so that the power is transmitted from the power take-off input shaft 1 to the sleeve 9 and then to the power gear 2. The first output shaft teeth 3 and the second output shaft teeth 10 are meshed with the left teeth of the power gear 2, so that the power is transmitted from the power gear 2 to the first output shaft teeth 3 and the second output shaft teeth 10, and finally transmitted for output.

[0035] In some embodiments, the output ends of the first output shaft gear 3 and the second output shaft gear 10 can be designed as flange-type output or internal spline-type output according to specific usage requirements.

[0036] See also Figure 2 Working principle: the power take-off input shaft 1 obtains power from the transmission, and controls the shift fork and the shift fork shaft assembly 8 to move to the right through the shift fork control module 7, so that the inner spline of the sleeve 9 is simultaneously combined with the outer spline at the right end of the power take-off input shaft 1 and the outer spline at the right end of the power gear 2, so that the power is transmitted from the power take-off input shaft 1 to the sleeve 9 and then to the power gear 2. The first output shaft teeth 3 and the second output shaft teeth 10 are meshed with the left teeth of the power gear 2, so that the power is transmitted from the power gear 2 to the first output shaft teeth 3 and the second output shaft teeth 10, and finally transmitted to the output flange 6 or the end spline of the second output shaft teeth 10.

[0037] In some embodiments, the fork control module 7 is designed as a mechanical pneumatic fork control module or an electrically controlled pneumatic fork control module according to requirements.

[0038] See also Figure 2Working principle: the power take-off input shaft 1 obtains power from the transmission, and controls the shift fork and the shift fork shaft assembly 8 to move to the right through the shift fork control module 7, so that the inner spline of the sleeve 9 is simultaneously combined with the outer spline at the right end of the power take-off input shaft 1 and the outer spline at the right end of the power gear 2, so that the power is transmitted from the power take-off input shaft 1 to the sleeve 9 and then to the power gear 2. The first output shaft teeth 3 and the second output shaft teeth 10 are meshed with the left teeth of the power gear 2, so that the power is transmitted from the power gear 2 to the first output shaft teeth 3 and the second output shaft teeth 10, and finally transmitted to the output flange 6 or the end spline of the second output shaft teeth 10.

[0039] The present application also discloses a transmission using any of the dual power output power take-offs described above.

[0040] The application also discloses a car using the transmission.

[0041] The above content is only for explaining the technical idea of ​​the utility model and cannot be used to limit the protection scope of the utility model. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the utility model shall fall within the protection scope of the claims of the utility model.

Claims

1. A dual power output power take-off, characterized in that: include: A power take-off housing (4) and a power take-off cover (5); a first output shaft tooth (3), a power take-off input shaft (1) and a second output shaft tooth (10) are fixedly arranged inside the power take-off housing (4); the first output shaft tooth (3) and the second output shaft tooth (10) are meshed with a power gear (2) on the power take-off input shaft (1); a shift fork control module (7) is arranged on the power take-off cover (5); the shift fork control module (7) is connected to a shift fork and a shift fork shaft group (8); the shift fork and the shift fork shaft group (8) are arranged in a sliding sleeve (9); and the sliding sleeve (9) is in contact with the power gear (2) and the power take-off input shaft (1).

2. A dual power output power take-off according to claim 1, characterized in that: The power gear (2) on the power take-off input shaft (1) is meshed with the first output shaft teeth (3) and the second output shaft teeth (10) on the side close to the power take-off housing (4).

3. A dual power output power take-off according to claim 1, characterized in that: When the shift fork control module (7) is in operation, the shift fork and the shift fork shaft assembly (8) move rightward, so that the internal spline of the sliding sleeve (9) is simultaneously engaged with the external spline at the right end of the power take-off input shaft (1) and the external spline at the right end of the power gear (2).

4. A dual power output power take-off according to claim 1, characterized in that: The output end of the first output shaft tooth (3) is connected to an output flange (6); the output end of the second output shaft tooth (10) is a spline.

5. A dual power output device according to claim 1, characterized in that: The power take-off input shaft (1), the first output shaft gear (3) and the second output shaft gear (10) are supported and fixed by bearings installed at corresponding positions on the power take-off housing (4) and the power take-off cover (5).

6. A dual power output device according to claim 1, characterized in that: The output ends of the first output shaft tooth (3) and the second output shaft tooth (10) are sealed by oil seals installed at corresponding positions of the power take-off cover (5).

7. A dual power output device according to claim 1, characterized in that: A needle bearing is provided between the power gear (2) and the power take-off input shaft (1).

8. A dual power output device according to claim 1, characterized in that: The shift fork control module (7) is a mechanical pneumatic shift fork control module or an electrically controlled pneumatic shift fork control module.

9. A transmission, characterized in that: Use the dual power output power take-off described in any one of claims 1 to 8.

10. An automobile, characterized in that: Use the transmission according to claim 9.

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