CN218326102U

CN218326102U - Power takeoff box

Info

Publication number: CN218326102U
Application number: CN202222539826.8U
Authority: CN
Inventors: 郑峰; 袁弘杰; 周元武; 褚科峰; 林培军; 胡方义
Original assignee: Ningbo Shuanghai Machine Manufacturing Co ltd
Current assignee: Ningbo Shuanghai Machine Manufacturing Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-01-17
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a power takeoff box, which comprises a body, its characterized in that body includes input and output, input and output fixed connection, constitute echelonment structure after the input is connected with the output, the turn department that is located the echelonment structure is provided with many strengthening ribs, the back that is located the echelonment structure is provided with the cavity, be provided with input shaft support portion in the cavity, output shaft support portion, first logical oilhole, second logical oilhole, input shaft support portion and first logical oilhole set up in the cavity of input, output shaft support portion and second logical oilhole set up in the cavity of output. The utility model has the advantages of rational in infrastructure, intensity is enough, through the power takeoff box structure that forms by input and output combination to utilize the setting of input shaft bearing portion, output shaft bearing portion and a plurality of strengthening rib, can strengthen the structural strength of power takeoff box, guarantee power take off effectively, but increase of service life simultaneously, reduce cost.

Description

Power takeoff box

Technical Field

The utility model belongs to the technical field of auto-parts and specifically relates to a power takeoff box is related to.

Background

The power takeoff is a group of speed-changing gears, also called power output device, and is generally composed of gear box, clutch and controller, and is connected with low-gear or auxiliary box output shaft of gear box to output power to external working device.

Power takeoff devices can be generally classified into a transmission side power take-off type, a transmission front power take-off type, a transmission rear power take-off type, an engine front power take-off type, so-called transmission side power take-off type: generally, power is output from a certain gear of a middle shaft of a transmission or is output from a reverse cam, and due to the structural limitation, the power output mode can only output one half of the maximum power of an engine and cannot exceed one half at most, so that the power output mode is called partial power output; the transmission front power take off form: the power takeoff device is arranged between the transmission and the clutch, can obtain the maximum power of the engine, and is called as a full-power output power takeoff device; so-called transmission rear power take-off form: the power output mode of the rear end of the intermediate shaft and the power output mode of the rear end of the second shaft can be roughly divided; 1. the power output form at the rear end of the intermediate shaft means that a power takeoff is directly fixed on the rear end surface of a speed changer, a spline is manufactured at the rear end of the middle shaft of the speed changer or a gear is connected to be used as a power output shaft, and the maximum power of an engine can be selected; 2. the power output form at the rear end of the second shaft refers to the fact that a power takeoff is fixed on the rear end face of a speed changer, a gear is additionally arranged at the output end of the second shaft to serve as power output, the maximum power of an engine can be obtained, the rotating speed can be changed through the gear of the speed changer, the structure is complex, and the change of the speed changer is large; so-called engine front power take-off form: the power take-off mode can take off power at any time but only partial power output, and is mainly used for a mixer truck and also has a power take-off device for power output of a free wheel and power output in transmission.

In the above-mentioned various different types of power output forms, if the structural strength of the casing of the power takeoff is insufficient, all power outputs will be greatly discounted, and the length of the service life will be affected, which will cause the cost to rise.

Disclosure of Invention

The utility model aims to solve the technical problem that a power takeoff box is provided, the power takeoff box structure that forms by input and output combination to through input shaft bearing portion, output shaft bearing portion, and many strengthening ribs can strengthen the structural strength of power takeoff box, guarantee power take off effectively, but increase of service life simultaneously, reduce cost.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a power takeoff box, includes the body, the body include input and output, input and output fixed connection, input and output constitute echelonment structure after being connected, the turn department that is located echelonment structure is provided with many strengthening ribs, the back that is located echelonment structure is provided with the cavity, the cavity in be provided with input shaft bearing portion, output shaft bearing portion, first logical oilhole, second logical oilhole, input shaft bearing portion and first logical oilhole set up in the cavity of input, output shaft bearing portion and second logical oilhole set up in the cavity of output.

Adopt above-mentioned structure, through the power takeoff box that forms by input and output combination to utilize many strengthening ribs to guarantee that the power takeoff box has sufficient structural strength, the input shaft supporting part sets up in the input, is favorable to keeping normal operation with the accessory that the input shaft supporting part matches, and the output shaft supporting part sets up in the output, is favorable to keeping normal operation with output supporting part assorted accessory, and can increase of service life.

As a further improvement of the present invention, the reinforcing ribs are distributed in the turning positions of the stepped structure in a fan shape, and are integrally formed with the stepped structure.

As a further improvement of the utility model, the input shaft supporting part is provided with the axle part that leans on of protrusion cavity bottom surface, the axle part that leans on in be provided with the reinforcing ring.

As a further improvement, the output shaft supporting part is provided with a supporting block protruding into a step-shaped structure, and the supporting block is provided with a shaft hole penetrating through from top to bottom.

As a further improvement, the utility model is provided with a plurality of connecting holes all around that are located the shaft hole, the outer lane of connecting hole is provided with the lug, the position of lug and the position of supporting shoe are in the same side of echelonment structure.

As a further improvement, the first oil through hole and the second oil through hole are arranged on the side wall of the cavity, the outside of the side wall is provided with an extension block which is communicated with the first oil through hole and the second oil through hole, the inner side of the first oil through hole and the second oil through hole is provided with a reinforcing block, and the reinforcing block and the cavity are integrally formed.

As a further improvement of the utility model, the body is provided with a plurality of convex columns all around, the convex columns are provided with threaded holes for connection.

As a further improvement, the input and the output are made of metal material and are integrally cast.

The utility model has the advantages of rational in infrastructure, intensity is enough, through the power takeoff box structure that forms by input and output combination to utilize the setting of input shaft bearing portion, output shaft bearing portion and a plurality of strengthening rib, can strengthen the structural strength of power takeoff box, guarantee power take off effectively, but increase of service life simultaneously, reduce cost. In the design of the structure, the input end is fixedly connected with the output end to form a step-shaped structure, and a plurality of reinforcing ribs are arranged at the turning part of the step-shaped structure to enhance the integral structural strength of the power takeoff box body; in addition, through setting up input shaft bearing portion and the output shaft bearing portion in the cavity, can support the utility model discloses a work to play the effect of wear-resisting resistance to compression, provide powerful support for this power takeoff box, thereby increase of service life, reduce cost.

Drawings

Fig. 1 is a schematic structural view of a first viewing angle of the present invention;

fig. 2 is a schematic structural diagram of a second viewing angle of the present invention.

The reference numbers in the figures illustrate:

1. an input end; 2. an output end; 3. reinforcing ribs; 4. a cavity; 5. an input shaft support; 6. an output shaft support portion; 7. a first oil passage hole; 8. a second oil passing hole; 9. an extension block; 10. an enhancement block; 11. a convex column; 12. a threaded hole;

51. a shaft rest part; 52. a reinforcing ring; 61. a support block;

610. a shaft hole; 611. connecting holes; 612. and (4) a bump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 2: a power takeoff box body comprises a body, wherein the body comprises an input end 1 and an output end 2, the input end 1 is fixedly connected with the output end 2, the input end 1 and the output end 2 form a step-shaped structure after being connected, a plurality of reinforcing ribs 3 are arranged at the turning position of the step-shaped structure, a cavity 4 is arranged on the back face of the step-shaped structure, an input shaft supporting part 5, an output shaft supporting part 6, a first oil through hole 7 and a second oil through hole 8 are arranged in the cavity 4, the input shaft supporting part 5 and the first oil through hole 7 are arranged in the cavity 4 of the input end 1, and the output shaft supporting part 6 and the second oil through hole 8 are arranged in the cavity 4 of the output end 2.

Further, in this embodiment, the input end 1 and the output end 2 are fixedly connected to form a body structure of the power takeoff box, and the plurality of reinforcing ribs 3 are used to ensure that the body has sufficient structural strength, and the input shaft supporting part 5 and the output shaft supporting part 6 are arranged in the cavity 4, and mainly function to support the normal operation of the utility model, and have the functions of wear resistance and compression resistance, so that the service life of the power takeoff box is prolonged, and the cost is reduced; the first oil through hole 7 and the second oil through hole 8 in the cavity 4 are mainly used for providing lubricating oil for each accessory in the cavity 4 so as to ensure that each accessory can be fully lubricated and normally work.

The reinforcing ribs 3 are distributed at the turning positions of the stepped structure in a fan shape and are integrally formed with the stepped structure.

Further, the reinforcing ribs 3 distributed in a fan shape can be used for carrying out effective strength support on a plurality of directions of the body structure so as to prevent the body structure from deforming or twisting in the working process.

The input shaft support portion 5 is provided with a shaft portion 51 projecting from the bottom surface of the cavity 4, and a reinforcing ring 52 is provided in the shaft portion 51.

Further, in the present embodiment, the related fittings matching with the input shaft bearing portion 5 can be well connected with the input shaft bearing portion 5 by the design of the shaft portion 51 and the reinforcing ring 52, so as to obtain stable structural strength support, thereby ensuring that the related fittings can normally operate.

The output shaft support part 6 is provided with a support block 61 having a protruding stepped structure, and the support block 61 is provided with a shaft hole 610 penetrating vertically.

Further, in this embodiment, the related fittings matching with the output shaft support portion 6 can be well connected with the output shaft support portion 6 to work through the design of the supporting block 61 and the shaft hole 610, so as to obtain stable structural strength support, thereby ensuring that the related fittings can normally operate.

A plurality of connecting holes 611 are formed around the shaft hole 610, a protrusion 612 is formed on the outer ring of the connecting hole 611, and the position of the protrusion 612 is located on the same side of the stepped structure as the position of the supporting block 61.

Furthermore, the fitting matched with the shaft hole 610 can be well connected through the arrangement of the connecting hole 611, and the normal operation is ensured, in addition, the convex block 612 is arranged on the outer ring of the connecting hole 611, so that the structural strength of the connecting hole 611 is enhanced, and the bending or deformation phenomenon of the body structure is ensured not to be generated when the output shaft supporting part 6 operates.

The first oil through hole 7 and the second oil through hole 8 are arranged on the side wall of the cavity 4, the outer portion of the side wall is provided with an extension block 9 communicated with the first oil through hole 7 and the second oil through hole 8, the inner sides of the first oil through hole 7 and the second oil through hole 8 are provided with a reinforcing block 10, and the reinforcing block 10 and the cavity 4 are integrally formed.

Further, as the structural design, through the setting of extension piece 9, guarantee that first oil through hole 7, second oil through hole 8 can be connected with the external world smoothly, set up through reinforcing block 10 to protect first oil through hole 7 and second oil through hole 8 effectively, avoid first oil through hole 7 and second oil through hole 8 to produce the deformation because of receiving the extrusion of external force.

A plurality of convex columns 11 are arranged on the periphery of the body, and threaded holes 12 for connection are formed in the convex columns 11.

Furthermore, be located body and be provided with a plurality of projections 11 that have screw hole 12 all around, be favorable to the body when being connected with other accessories, guarantee to have sufficient structural strength.

The input end 1 and the output end 2 are made of metal materials and are integrally cast and molded.

Further, input 1 and output 2 adopt the metal material preparation, mean that this power takeoff box is the metal preparation to adopt integral type casting forming process, this structural strength that can guarantee this power takeoff box effectively, in order to support the utility model discloses a normally work.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a power takeoff box, includes the body, its characterized in that the body include input (1) and output (2), input (1) and output (2) fixed connection, input (1) constitute echelonment structure after being connected with output (2), the turning department that is located echelonment structure is provided with many strengthening ribs (3), the back that is located echelonment structure is provided with cavity (4), cavity (4) in be provided with input shaft supporting part (5), output shaft supporting part (6), first logical oilhole (7), second logical oilhole (8), input shaft supporting part (5) and first logical oilhole (7) set up in cavity (4) of input (1), output shaft supporting part (6) and second logical oilhole (8) set up in cavity (4) of output (2).

2. The power takeoff box body as claimed in claim 1, wherein the reinforcing ribs (3) are distributed in a fan shape at the turning points of the stepped structure and are integrally formed with the stepped structure.

3. The power take-off box as claimed in claim 1, wherein the input shaft support (5) is provided with a shaft support portion (51) projecting from the bottom surface of the cavity (4), and a reinforcing ring (52) is provided in the shaft support portion (51).

4. The power takeoff box as claimed in claim 1, wherein the output shaft support part (6) is provided with a support block (61) having a convex stepped structure, and the support block (61) is provided with a shaft hole (610) penetrating vertically.

5. The power takeoff box body as claimed in claim 4, wherein a plurality of connecting holes (611) are formed around the shaft hole (610), a protruding block (612) is arranged on the outer ring of each connecting hole (611), and the position of each protruding block (612) is on the same side of the stepped structure as that of the supporting block (61).

6. The power takeoff box body as claimed in claim 1, wherein the first oil through hole (7) and the second oil through hole (8) are arranged on a side wall of the cavity (4), an extension block (9) communicated with the first oil through hole (7) and the second oil through hole (8) is arranged outside the side wall, a reinforcing block (10) is arranged on the inner sides of the first oil through hole (7) and the second oil through hole (8), and the reinforcing block (10) and the cavity (4) are integrally formed.

7. The power takeoff box body as claimed in claim 1, wherein the body is provided with a plurality of protruding columns (11) at the periphery, and the protruding columns (11) are provided with threaded holes (12) for connection.

8. The power takeoff box body as claimed in claim 1, wherein the input end (1) and the output end (2) are made of metal and are integrally cast.