CN219551857U

CN219551857U - Positioning and mounting device of new energy gearbox

Info

Publication number: CN219551857U
Application number: CN202320490210.8U
Authority: CN
Inventors: 李刚; 于社章; 韩佳玲
Original assignee: Wuxi Dajinyi Technology Co ltd
Current assignee: Wuxi Dajinyi Technology Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-08-18
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses a positioning and mounting device of a new energy gearbox, which comprises a first headstock and a second headstock which are oppositely arranged, wherein a hollow first assembly shaft is arranged on the first headstock, a hollow part of the first assembly shaft is used for assembling a first load shaft, a hollow second assembly shaft is arranged on the second headstock, a hollow part of the second assembly shaft is used for assembling a second load shaft, and central shafts of the first assembly shaft and the second assembly shaft are coaxial. The utility model aims to provide a positioning and mounting device which can quickly adjust the distance between the central shaft of a load shafting in a new energy gearbox and quickly mount an auxiliary gearbox shell and the load shafting together.

Description

Positioning and mounting device of new energy gearbox

Technical Field

The utility model relates to production of new energy automobiles, in particular to a positioning and mounting device of a new energy gearbox.

Background

In 2021, the national institute issues opinion about complete, accurate and comprehensive implementation of new development ideas to carbon-to-carbon peak neutralization work, and the opinion issues a time schedule of China about carbon-to-carbon peak and carbon neutralization, wherein China strives to realize carbon-to-carbon peak before 2030 and carbon neutralization before 2060.

The pure fuel automobile is a large household with greenhouse gas emission, and in order to achieve the above objective as early as possible, the state is necessary to develop a new energy automobile using unconventional automobile fuel (such as hydrogen energy and electric energy) as a power source. The development route of the existing new energy automobile at least comprises the following steps: the novel energy automobile comprises a pure electric automobile, an electric hybrid automobile, a range-extended electric automobile and a hydrogen energy automobile, wherein the electric hybrid automobile is a new energy automobile between the pure electric automobile and a fuel oil automobile, and an engine, a transmission system, an oil way and an oil tank of the traditional automobile exist. The battery, the motor and the control circuit of the pure electric vehicle are also provided, and the battery capacity is relatively large and a charging interface is provided; the hybrid electric vehicle integrates the advantages of the pure electric vehicle and the fuel oil vehicle, can realize pure electric and zero-emission running, and can increase the driving range of the vehicle through a hybrid mode.

Different from the gearbox of the traditional fuel vehicle, two load shafts are arranged in the gearbox of the plug-in hybrid electric vehicle, the coaxiality requirements of the two load shafts in production are very high, the production quality of the gearbox of the new energy vehicle is influenced, but the two load shafts are respectively connected with different parts in production, the coaxiality of the two load shafts in production is very difficult to ensure, and the coaxiality of the two load shafts is difficult to detect after the gearbox is installed.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a positioning and mounting device capable of quickly adjusting concentricity of two load shafts in a new energy gearbox test bench and quickly mounting an auxiliary gearbox shell and the load shafts together.

The technical scheme is as follows: the positioning and mounting device for the new energy gearbox comprises a first headstock and a second headstock which are oppositely arranged, wherein a hollow first assembly shaft is arranged on the first headstock, a hollow part of the first assembly shaft is used for assembling a first load shaft, a hollow second assembly shaft is arranged on the second headstock, a hollow part of the second assembly shaft is used for assembling a second load shaft, central shafts of the first assembly shaft and the second assembly shaft are parallel, and the distance between the central shafts of the first assembly shaft and the second assembly shaft is 0-0.05 mm.

Further, the centering plate is detachably connected with the first headstock, an integrally formed centering shaft is arranged on the centering plate in a penetrating mode, one end of the centering shaft extends into the hollow part of the first assembly shaft, and the other end of the centering shaft extends into the hollow part of the second assembly shaft. The centering plate is used for assisting in adjusting the first assembly shaft and the second assembly shaft, and after the centering plate is connected with the first head frame, if one end of the centering shaft stretches into the first assembly shaft and the other end of the centering shaft stretches into the second assembly shaft, the first assembly shaft and the second assembly shaft are exactly coaxial, and the distance between the central shafts of the first assembly shaft and the second assembly shaft is within an acceptable range.

Further, the centering shaft vertically penetrates through the centering plate.

Further, the first head frame comprises a first working surface, and a plurality of first positioning pins for positioning the workpiece are arranged on the first working surface; the second headstock comprises a second working face, the second working face and the first working face are arranged oppositely, and a plurality of second locating pins for locating workpieces are arranged on the second working face.

Further, an elastic piece is arranged between the second locating pin and the second working surface and is used for adaptively adjusting the contact length of the second locating pin with the workpiece. The elastic member may be a disc spring, other types of springs, or other elastic members.

The beneficial effects are that: compared with the prior art, the utility model has the following advantages: after the centering device is used, the distance between the central shafts of the first assembly shaft and the second assembly shaft is quickly adjusted by using the centering device, so that the subsequent workpiece parts can be conveniently loaded on the first headstock and the second headstock, the first load shaft and the second load shaft can be mounted, and the distance between the central shafts meets the requirement during the mounting of the first load shaft and the second load shaft.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a schematic view of a first headgear of the present utility model.

Fig. 3 is a schematic view of a second headgear of the present utility model.

Fig. 4 is an enlarged view of fig. 3 at a.

Fig. 5 is a schematic diagram of a centering plate in the present utility model.

FIG. 6 is a schematic diagram of the present utility model mated with a first load axis and a second load axis.

Fig. 7 is a schematic view of the present utility model assembled with a workpiece having a first load shaft and a second load shaft mounted thereon.

Wherein: 1. a first headstock; 101. a first positioning pin; 102. a first assembly shaft; 103. a first work surface; 2. a centering device; 201. centering plates; 202. centering shaft; 203. an auxiliary shaft; 3. a second headstock; 301. a disc spring; 302. a second positioning pin; 303. a second assembly shaft; 304. a second work surface; 4. a workpiece; 401. a first load shaft; 402. and a second load shaft.

Description of the embodiments

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 7, the positioning and mounting device of the new energy gearbox provided by the utility model comprises a first headstock 1, a second headstock 3 and a centering device 2 which are oppositely arranged.

The first head frame 1 comprises a first working surface 103, and four first positioning pins 101 for positioning the workpiece 4 are arranged on the first working surface 103; the first head 1 is provided with a hollow first fitting shaft 102, a hollow portion of the first fitting shaft 102 is used for fitting the first load shaft 401,

the second headstock 3 includes a second working face 304, four second positioning pins 302 for positioning the workpiece 4 are provided on the second working face 304, a hollow second fitting shaft 303 is provided on the second headstock 3, and a hollow portion of the second fitting shaft 303 is used for fitting a second load shaft 402. A disc spring 301 is arranged between the second locating pin 302 and the second working surface 304, and the disc spring 301 is used for adaptively adjusting the contact length of the second locating pin 302 with the workpiece 4.

The second working surface 304 and the first working surface 103 are disposed opposite to each other, and the center axes of the first fitting shaft 102 and the second fitting shaft 303 are parallel to each other, and the distance between the ideal center axes of the first fitting shaft 102 and the second fitting shaft 303 is 0.

The centering device 2 comprises a centering plate 201 detachably connected with the first head frame 1, a centering shaft 202 which is vertical to the centering plate 201 and is integrally formed in a penetrating manner is arranged on the centering plate 201, one end of the centering shaft 202 extends into a hollow part of the first assembly shaft 102, the other end of the centering shaft 202 extends into a hollow part of the second assembly shaft 303, the centering plate 201 is used for assisting in adjusting the distance between the central shafts of the first assembly shaft 102 and the second assembly shaft 303, after the centering plate 201 is connected with the first head frame 1, if one end of the centering shaft 202 extends into the first assembly shaft 102 and the other end of the centering shaft 202 extends into the second assembly shaft 303, the first assembly shaft 102 and the second assembly shaft 303 are just coaxial, the distance between the central shafts of the first assembly shaft 102 and the second assembly shaft 303 is within an acceptable range, and two assisting shafts 203 which are used for being connected with the second positioning pins 302 of the second head frame 3 are arranged on one side of the centering plate 201, which is close to the second head frame 3.

The workpiece 4 includes a housing, and a first load shaft 401 and a second load shaft 402 are provided on both sides of the housing, respectively.

After the utility model is used, the distance between the central axes of the first assembling shaft 102 and the second assembling shaft 303 is quickly adjusted by using the centering device 2, so that the subsequent parts of the workpiece 4 can be conveniently loaded on the first headstock 1 and the second headstock 3, the installation of the first load shaft 401 and the second load shaft 402 is completed, and the distance between the central axes of the first load shaft 401 and the second load shaft 402 is ensured to meet the requirement during the installation.

Claims

1. The utility model provides a new forms of energy gearbox's location installation device which characterized in that: the device comprises a first head frame (1) and a second head frame (3) which are oppositely arranged, wherein a hollow first assembling shaft (102) for assembling a first load shaft (401) is arranged on the first head frame (1), a hollow second assembling shaft (303) for assembling a second load shaft (402) is arranged on the second head frame (3), and central shafts of the first assembling shaft (102) and the second assembling shaft (303) are coaxial.

2. The positioning and mounting device for a new energy gearbox according to claim 1, wherein: the centering device is characterized by further comprising a centering plate (201) detachably connected with the first head frame (1), wherein an integrally formed centering shaft (202) is arranged on the centering plate (201) in a penetrating mode, one end of the centering shaft (202) stretches into the hollow part of the first assembly shaft (102), and the other end of the centering shaft (202) stretches into the hollow part of the second assembly shaft (303).

3. The positioning and mounting device for a new energy gearbox according to claim 2, wherein: the centering shaft (202) vertically penetrates through the centering plate (201).

4. The positioning and mounting device for a new energy gearbox according to claim 1, wherein: the first head frame (1) comprises a first working surface (103), and a plurality of first positioning pins (101) are arranged on the first working surface (103); the second headstock (3) comprises a second working face (304), the second working face (304) and the first working face (103) are oppositely arranged, and a plurality of second locating pins (302) are arranged on the second working face (304).

5. The positioning and mounting device for the new energy gearbox according to claim 4, wherein: an elastic piece is arranged between the second locating pin (302) and the second working surface (304).