CN218787269U

CN218787269U - Power takeoff with electromagnetic clutch function

Info

Publication number: CN218787269U
Application number: CN202223185239.XU
Authority: CN
Inventors: 倪俊曾
Original assignee: Wuxi Interpump Weifu Hydraulics Company Ltd
Current assignee: Wuxi Interpump Weifu Hydraulics Company Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-04
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a power takeoff with electromagnetic clutch function, which comprises a box body, wherein an input gear, an output gear and a shifting fork transverse moving component are arranged in the box body in parallel; the input gear and the output gear are rotatably arranged in the box body and are meshed with each other; an output spline shaft is arranged in the output gear, and the shifting fork transverse moving assembly drives the output gear to transversely move; an input mounting shaft is arranged in the box body, and an input gear is rotatably mounted on the periphery of the input mounting shaft through a first conical bearing and a second conical bearing; the output spline shaft is rotatably arranged in the box body through a third conical bearing and a fourth conical bearing, and an output gear is sleeved on the periphery of the output spline shaft in a sliding manner; a sliding limiting structure is arranged between the output gear and the output spline shaft, and a transmission switching mechanism is arranged on the sliding limiting structure. The utility model has novel structure, high integration level, small assembly volume and light weight; the engagement of the power takeoff can be effectively controlled without the vehicle being equipped with an air source.

Description

Power takeoff with electromagnetic clutch function

Technical Field

The utility model belongs to the technical field of the power takeoff, a power takeoff with electromagnetism separation and reunion function is related to.

Background

As the economy develops, the applications and requirements of specialized vehicles continue to increase. The types of vehicles are constantly updated and updated. This puts higher demands on the modification of the special-purpose vehicle. Most of special vehicles at present use a power takeoff to output power, so that the vehicles can operate in a special state, and various use requirements are effectively met. At present, most of domestic power takeoff devices in China adopt two types of mechanical type and pneumatic control. The mechanical control is completed by a traditional mechanical flexible shaft, so that a control handle is required to be installed in a cab, the phenomenon that the flexible shaft is blocked after the use time is long and the like can occur, and the operation requirement on a driver is high. Pneumatic control tends to avoid this phenomenon, but is more limited by the vehicle, mainly because the vehicle must be equipped with an air supply. Pneumatic control type power take-offs cannot be used on vehicles without an air supply.

Disclosure of Invention

An object of the utility model is to provide a take power takeoff of electromagnetic clutch function can solve foretell problem, and the integrated level is high.

According to the utility model provides a technical scheme: a power takeoff with an electromagnetic clutch function comprises a box body, wherein an input gear, an output gear and a shifting fork transverse moving assembly are arranged in the box body in parallel; the input gear and the output gear are rotatably arranged in the box body and are meshed with each other; an output spline shaft is arranged in the output gear, and the shifting fork transverse moving assembly drives the output gear to transversely move; an input mounting shaft is arranged in the box body, and an input gear is rotatably mounted on the periphery of the input mounting shaft through a first conical bearing and a second conical bearing; the output spline shaft is rotatably arranged in the box body through a third conical bearing and a fourth conical bearing, and an output gear is sleeved on the periphery of the output spline shaft in a sliding manner; a sliding limiting structure is arranged between the output gear and the output spline shaft, and a transmission switching mechanism is arranged on the sliding limiting structure.

As the utility model discloses a further improvement, slip limit structure includes limit chute and limit flange, and limit chute offers in output spline shaft middle part periphery, and limit flange is located output gear and week in, and limit flange slides in limit chute.

As the utility model discloses a further improvement, transmission switching mechanism includes smooth shaft section, external splines, internal spline, and smooth shaft section, external spline are located spacing spout, and the internal spline is located output gear.

As a further improvement of the utility model, shift fork sideslip subassembly includes coil casing and shift fork plug, and coil casing installs on the box, fixed mounting coil in the coil casing, and the shift fork plug slides in the box, and the shift fork is established to shift fork plug periphery cover, and the shift fork outer end inlays in the output gear periphery, is equipped with the spring between shift fork plug one side and the box, and shift fork plug opposite side supports the coil plug, and coil plug slidable mounting is in the coil.

As the utility model discloses a further improvement, the oil blanket is established to output integral key shaft periphery cover, and the oil blanket is located fourth taper bearing one side.

As a further improvement, the right end of the coil shell is provided with a plug.

As a further improvement of the utility model, the plug screw is arranged on the right side of the box body through a thread structure.

As a further improvement, one end of the output spline shaft extends out of the box body, and the input gear is driven by the gearbox to rotate.

As a further improvement, the shifting fork core rod is provided with a shifting fork through an outer circle step and a check ring for a shaft.

As a further improvement, the spring is arranged in the spring hole of the shifting fork core rod, and the two ends of the spring respectively support the box body and the inner wall of the spring hole.

1. The utility model discloses novel structure, the integrated level is high, and the assembly is small, light in weight.

2. The utility model discloses need not be furnished with the air supply by the vehicle, can the meshing of effective control power takeoff.

3. The utility model discloses easily realize automatic control to the power takeoff work.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In fig. 1, the device includes an input gear 1, a first conical bearing 2, an input mounting shaft 3, a case 4, a second conical bearing 5, an output gear 6, a third conical bearing 7, a plug screw 8, a plug screw 9, a coil housing 10, a coil 11, a coil core rod 12, a shift fork core rod 13, a shift fork 14, a shaft retainer 15, a spring 16, a fourth conical bearing 17, an oil seal 18, an output spline shaft 19, and the like.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be described in detail and completely below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate in order to facilitate the embodiments of the invention described herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having" can be done in addition to those already listed in "including" and "having" as well as other not already listed; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, the utility model relates to a take power takeoff of electromagnetic clutch function, including box 4, parallel arrangement has input gear 1, output gear 6, shift fork sideslip subassembly in the box 4. The input gear 1 and the output gear 6 are rotatably mounted in the housing 4 and are engaged with each other. An output spline shaft 19 is arranged in the output gear 6, and the shifting fork transverse moving assembly drives the output gear 6 to transversely move.

An input mounting shaft 3 is arranged in the box body 4, and an input gear 1 is rotatably mounted on the periphery of the input mounting shaft 3 through a first conical bearing 2 and a second conical bearing 5.

The output spline shaft 19 is rotatably installed in the box 4 through a third cone bearing 7 and a fourth cone bearing 17, and the output gear 6 is slidably sleeved on the periphery of the output spline shaft 19.

A sliding limiting structure is arranged between the output gear 6 and the output spline shaft 19, so that the output gear 6 is guaranteed to be always meshed with the input gear 1 while sliding on the periphery of the output spline shaft 19.

The sliding limiting structure comprises a limiting sliding groove and a limiting flange, the limiting sliding groove is formed in the periphery of the middle of the output spline shaft 19, the limiting flange is located on the inner periphery of the output gear 6, and the limiting flange slides in the limiting sliding groove.

Be equipped with transmission switching mechanism on the slip limit structure, transmission switching mechanism includes smooth shaft section, external splines, internal spline, and smooth shaft section, external splines are located spacing spout, and the internal spline is located output gear 6, and when external spline and internal spline engaged, output gear 6 drove output spline shaft 19 and rotates. When the internal spline is located at the outer periphery of the optical axis section, the output gear 6 does not transmit with the output spline shaft 19.

The shifting fork transverse moving assembly comprises a coil shell 10 and a shifting fork core rod 13, the coil shell 10 is installed on a box body 4, a coil 11 is fixedly installed in the coil shell 10, the shifting fork core rod 13 slides in the box body 4, a shifting fork 14 is sleeved on the periphery of the shifting fork core rod 13, the outer end of the shifting fork 14 is embedded in the periphery of an output gear 6, a spring 16 is arranged between one side of the shifting fork core rod 13 and the box body 4, the other side of the shifting fork core rod 13 abuts against the coil core rod 12, and the coil core rod 12 is installed in the coil 11 in a sliding mode.

An oil seal 18 is sleeved on the outer periphery of the output spline shaft 19, the oil seal 18 is located on the left side of the fourth conical bearing 17, and the oil seal 18 ensures the sealing of the output end of the output spline shaft 19.

The right end of the coil shell 10 is provided with a plug 9 for preventing the coil core rod 12 from sliding out of the coil shell 10.

The screw plug 8 is installed at the right side of the box body 4 through a thread structure, and limits the third conical bearing 7 to move rightwards.

The input gear 1 is rotated by the transmission.

One end of the output spline shaft 19 extends out of the box body 4, so that power is output conveniently.

The shifting fork 14 is installed on the shifting fork core rod 13 through an excircle step and a shaft retainer ring 15.

In order to prevent the spring 16 from being bent, the spring 16 is installed in a spring hole of the shift fork core rod 13, and two ends of the spring 16 respectively abut against the box body 4 and the inner wall of the spring hole.

The utility model discloses a working process as follows:

when in work: the coil 11 is electrified, the coil core rod 12 is pushed leftwards by electromagnetic force, the coil core rod 12 pushes the shifting fork core rod 13 to drive the shifting fork 14 to compress the spring 16 to move leftwards, the shifting fork 14 drives the output gear 6 to move leftwards, an internal spline of the output gear 6 is meshed with an external spline of the output spline shaft 19, and the output spline shaft 19 rotates to transmit torque.

When not in work: when the coil 11 is powered off and the electromagnetic force disappears, the shifting fork mandrel 13 drives the shifting fork 14 to move rightwards under the action of the spring, the shifting fork 14 drives the output gear 6 to move rightwards, the internal spline of the output gear 6 moves to the optical axis section of the output spline shaft 19, and the output spline shaft 19 stops rotating and does not output torque.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A power takeoff with an electromagnetic clutch function comprises a box body (4), and is characterized in that an input gear (1), an output gear (6) and a shifting fork transverse moving assembly are arranged in the box body (4) in parallel; the input gear (1) and the output gear (6) are rotatably arranged in the box body (4) and are meshed with each other; an output spline shaft (19) is arranged in the output gear (6), and the shifting fork transverse moving assembly drives the output gear (6) to transversely move; an input mounting shaft (3) is arranged in the box body (4), and an input gear (1) is rotatably mounted on the periphery of the input mounting shaft (3) through a first conical bearing (2) and a second conical bearing (5); the output spline shaft (19) is rotatably arranged in the box body (4) through a third cone bearing (7) and a fourth cone bearing (17), and the output gear (6) is sleeved on the periphery of the output spline shaft (19) in a sliding manner; a sliding limiting structure is arranged between the output gear (6) and the output spline shaft (19), and a transmission switching mechanism is arranged on the sliding limiting structure; the shifting fork transverse moving assembly comprises a coil shell (10) and a shifting fork core rod (13), the coil shell (10) is installed on a box body (4), a coil (11) is fixedly installed in the coil shell (10), the shifting fork core rod (13) slides in the box body (4), a shifting fork (14) is sleeved on the periphery of the shifting fork core rod (13), the outer end of the shifting fork (14) is embedded in the periphery of an output gear (6), a spring (16) is arranged between one side of the shifting fork core rod (13) and the box body (4), the other side of the shifting fork core rod (13) abuts against the coil core rod (12), and the coil core rod (12) is slidably installed in the coil (11).

2. The power takeoff with an electromagnetic clutch function as claimed in claim 1, wherein the sliding position-limiting structure includes a position-limiting sliding groove provided on an outer periphery of a middle portion of the output spline shaft (19), and a position-limiting flange provided on an inner periphery of the output gear (6) and sliding in the position-limiting sliding groove.

3. The power takeoff with the electromagnetic clutch function as claimed in claim 2, wherein the transmission switching mechanism comprises a bare shaft section, an external spline and an internal spline, the bare shaft section and the external spline are located in the limit sliding groove, and the internal spline is located in the output gear (6).

4. The power takeoff with the electromagnetic clutch function as claimed in claim 1, wherein an oil seal (18) is provided around the output spline shaft (19), and the oil seal (18) is located on the side of the fourth conical bearing (17).

5. The power takeoff with an electromagnetic clutch function as claimed in claim 1, wherein a plug (9) is mounted at a right end of the coil casing (10).

6. The power takeoff with electromagnetic clutch function as claimed in claim 1, wherein the screw plug (8) is located at the right side of the casing (4) by means of a screw structure.

7. The power takeoff with the electromagnetic clutch function as claimed in claim 1, wherein one end of the output spline shaft (19) extends out of the casing (4), and the input gear (1) is rotated by the transmission case.

8. The power takeoff with an electromagnetic clutch function as claimed in claim 1, wherein the shift fork (14) is mounted on the shift fork core rod (13) via an outer circumferential step and a shaft collar (15).

9. The power takeoff with an electromagnetic clutch function as claimed in claim 1, wherein a spring (16) is installed in a spring hole of the shift fork core rod (13), and both ends of the spring (16) respectively abut against the box body (4) and an inner wall of the spring hole.