CN222931693U

CN222931693U - Electric drive bridge shrinkage neck device

Info

Publication number: CN222931693U
Application number: CN202421897185.6U
Authority: CN
Inventors: 李宏宇; 聂江红
Original assignee: Hefei Kuanxin Mechatronic Co ltd
Current assignee: Hefei Kuanxin Mechatronic Co ltd
Priority date: 2024-08-06
Filing date: 2024-08-06
Publication date: 2025-06-03
Anticipated expiration: 2034-08-06

Abstract

The utility model relates to the technical field of vehicle accessories, and particularly discloses an electric drive bridge cold shrink neck device which comprises a fixed frame plate, wherein a cold shrink neck unit is arranged on the side surface of the fixed frame plate, a limiting unit is arranged on the upper surface of the inner side of the fixed frame plate, a hydraulic cylinder is connected to the fixed frame plate corresponding to the limiting unit through a pin, an adjustable extrusion plate is connected to a movable end pin of the hydraulic cylinder, the hydraulic cylinder is connected with the pin of the fixed frame plate, so that the existing hydraulic cylinder can be adapted, the height of the adjustable extrusion plate at the tail end of the hydraulic cylinder can be adjusted, the state of the adjustable extrusion plate is kept vertical to the ground, and the end face of an electric drive bridge can be contacted in a plane, so that the electric drive bridge can be pushed by a stable force to enter the cold shrink neck unit for a necking process, meanwhile, the electric drive bridge with different sizes can be adapted to push the electric drive bridge with different sizes to enter the cold shrink neck unit for the necking process through adjusting the height of the adjustable extrusion plate, and the problem that the existing necking device cannot be adapted to electric drive bridges with different sizes is solved.

Description

Electric drive bridge shrinkage neck device

Technical Field

The utility model relates to the technical field of vehicle accessories, in particular to an electric drive bridge cold shrink neck device.

Background

The electric drive bridge is also called as an electric wheel drive bridge, is an important part in an electric automobile, realizes the rotation of wheels and the forward or backward movement of the automobile through motor control, comprises a motor, a speed changer, a steering mechanism, an electronic control device and the like, and is one of the core parts for controlling the running direction and the running speed of the electric automobile.

The Chinese patent publication No. CN105499417A discloses a pipe end necking device in 2016-04-20 days, which relates to a necking die, and comprises a frame, a clamping head, a disc spring and a pressing sleeve, wherein the clamping head is divided into a plurality of independent blocks, the disc spring is sleeved on the periphery of the clamping head, a tensioning spring is arranged in the clamping head, the inner diameter of the clamping head is reduced when the disc spring is compressed, the clamping head is extruded to tighten the clamping head, and the tensioning spring can achieve the tensioning effect when the disc spring is not deformed. The clamping head is tightened to press the pipe end to compress the pipe end and realize necking, and the pipe is fixed in the necking process in the scheme, so that the shape of the pipe is not limited.

However, the above-mentioned disclosed scheme has the disadvantage that the necking device in the prior art only performs necking on the port of the pipeline, so that the device is small in size and pressure, and cannot be suitable for the port necking requirement of the electric drive bridge, and therefore, necking operation cannot be performed on the port of a large structure such as the electric drive bridge.

Disclosure of utility model

The utility model aims to solve the technical problems that a necking device in the prior art only performs necking on a port of a pipeline, the equipment is small in size and pressure and cannot be suitable for port necking requirements of an electric drive bridge, and therefore necking operation cannot be performed on a port of a large structure such as the electric drive bridge.

In order to achieve the above object, the present utility model is realized by the following technical scheme;

The cold shrink neck device of the electric drive bridge comprises a fixed frame plate, wherein a cold shrink neck unit is arranged on the side face of the fixed frame plate, a limiting unit is arranged on the upper surface of the inner side of the fixed frame plate, a hydraulic cylinder is connected to the fixed frame plate corresponding to the limiting unit through a pin, an adjustable extrusion plate is connected to a movable end pin of the hydraulic cylinder, and a horizontal base plate is arranged below the hydraulic cylinder.

The cold shrink neck unit comprises a positioning groove, wherein the positioning groove is formed in a fixed frame plate, a diameter reducing die is inserted in the positioning groove in a sliding mode, a plurality of threaded rods are fixedly connected to the diameter reducing die, and a fastening plate and a nut are sleeved on the threaded rods in a sleeved mode.

The limiting unit comprises a fixed frame plate, a lifting plate, a hanging frame, a symmetrical threaded shaft, a motor, a sliding block, a movable top plate, a limiting plate and an avoidance groove, wherein the symmetrical clamping groove is symmetrically formed in the fixed frame plate, the lifting plate is sleeved in the symmetrical clamping groove in a sliding mode, the hanging frame is connected between the lifting plates in a sliding mode, the symmetrical threaded shaft is connected in a rotating mode, the motor is fixedly connected to one end of the symmetrical threaded shaft, the sliding block is sleeved on the symmetrical threaded shaft in a threaded mode, the movable top plate is connected to the sliding block in a pin mode, the limiting plate is movably connected to the upper end of the movable top plate, the lower end of the limiting plate is movably sleeved on the interval positioning plate, and the avoidance groove is formed in the hanging frame and the interval positioning plate, and corresponds to the movable top plate.

Furthermore, the inner side surface of the limiting plate is fixedly connected with a clamping plate, and the interval positioning plates are symmetrically fixedly connected to the upper surface of the suspended frame.

Furthermore, adjusting grooves are symmetrically formed in the lifting plate, bolts penetrate through the adjusting grooves, and the bolts are fixedly connected to the side faces of the hanging frame in a threaded mode.

The cold shrink neck device of the electric drive bridge provided by the utility model has the following beneficial effects:

1. According to the utility model, the hydraulic oil cylinder connected with the fixed frame plate pin is adopted, so that the existing hydraulic oil cylinder can be adapted, the height of the adjustable extrusion plate at the tail end of the hydraulic oil cylinder is adjusted, and the state of the adjustable extrusion plate vertical to the ground is kept, so that the end face of the electric drive bridge can be contacted with the plane, the electric drive bridge can be stably pushed by force to enter the cold necking unit for necking, and meanwhile, the height of the adjustable extrusion plate is adjusted, so that the electric drive bridge with different sizes can be adapted to push the electric drive bridge with different sizes to enter the cold necking unit for necking, and the problem that the existing necking device cannot be adapted to the electric drive bridge with different sizes is solved;

2. According to the utility model, through sliding fit between the positioning groove and the reducing die, the height of the reducing die can be adjusted in the positioning groove, and the fastening plate is extruded by the rotating nut to be contacted with the fixed frame plate to complete fixation, so that the necking requirements of the electric drive bridges with different sizes are adapted, the center heights of the electric drive bridges with different sizes can be aligned, and the problem that the traditional cold shrink neck device cannot be adapted to the electric drive bridges with different sizes is solved.

Drawings

The following describes the embodiments of the present utility model in further detail with reference to the drawings;

FIG. 1 is a schematic diagram of an axial structure of the present utility model;

FIG. 2 is a schematic diagram of a front view of the present utility model;

fig. 3 is a schematic diagram of a partial side view of the present utility model.

The reference numerals in the figure are 1, a fixed frame plate, 2, a positioning groove, 3, a diameter reducing mold, 4, a threaded rod, 5, a fastening plate, 6, a hydraulic cylinder, 7, an adjustable extrusion plate, 8, a horizontal backing plate, 9, a symmetrical clamping groove, 10, a lifting plate, 11, an adjusting groove, 12, a motor, 13, a symmetrical threaded shaft, 14, a sliding block, 15, a movable top plate, 16, a limiting plate, 17, a clamping plate, 18, an interval positioning plate, 19, an avoiding groove, 20 and a suspending frame.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the technical solutions in the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up-down-left-right-front-rear.,. The term.) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the motion condition, etc. in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicators are correspondingly changed, and the connection may be a direct connection or an indirect connection.

Referring to fig. 1-3, an electric drive bridge shrink neck device comprises a fixed frame plate 1, wherein a shrink neck unit is arranged on the side surface of the fixed frame plate 1, a limiting unit is arranged on the upper surface of the inner side of the fixed frame plate 1, a hydraulic cylinder 6 is connected to the fixed frame plate 1 through pins corresponding to the limiting unit, an adjustable extrusion plate 7 is connected to a movable end pin of the hydraulic cylinder 6, a horizontal backing plate 8 is arranged below the hydraulic cylinder 6, and when the electric drive bridge shrink neck device works, the existing hydraulic cylinder 6 can be adapted by the hydraulic cylinder 6 connected with the pin of the fixed frame plate 1, then the height of the adjustable extrusion plate 7 at the tail end of the hydraulic cylinder 6 is adjusted and kept in a state vertical to the ground, so that the end surface of the electric drive bridge can be contacted with a plane, the electric drive bridge can be pushed into a shrink neck unit stably under the stress, meanwhile, the electric drive bridges with different sizes can be pushed into the shrink neck unit through adjusting the height of the adjustable extrusion plate 7, and the problem that the existing shrink neck device cannot be adapted to electric drive bridges with different sizes is solved.

The cold shrink neck unit comprises a positioning groove 2, wherein the positioning groove 2 is formed in a fixed frame plate 1, a shrinkage die 3 is inserted in the positioning groove 2 in a sliding mode, a plurality of threaded rods 4 are fixedly connected to the shrinkage die 3, a fastening plate 5 is sleeved on the threaded rods 4, nuts are sleeved on the threaded rods, in operation, the height of the shrinkage die 3 can be adjusted in the positioning groove 2 through sliding fit between the positioning groove 2 and the shrinkage die 3, the fastening plate 5 is extruded by rotating the nuts to be in contact with the fixed frame plate 1 for fixing, so that the necking requirements of electric drive bridges of different sizes can be met, the central heights of the electric drive bridges of different sizes can be aligned, and the problem that the existing cold shrink neck device cannot be matched with the electric drive bridges of different sizes is solved.

The limiting unit comprises symmetrical clamping grooves 9, the symmetrical clamping grooves 9 are symmetrically formed in the fixed frame plate 1, lifting plates 10 are sleeved on the symmetrical clamping grooves 9 in a sliding mode, a hanging frame 20 is connected between the lifting plates 10 in a sliding mode, a symmetrical threaded shaft 13 is connected to the hanging frame 20 in a rotating mode, one end of the symmetrical threaded shaft 13 is fixedly connected with a motor 12, a sliding block 14 is sleeved on the symmetrical threaded shaft 13 in a threaded mode, a movable top plate 15 is connected to the sliding block 14 in a pin mode, a limiting plate 16 is movably connected to the upper end of the movable top plate 15, an avoidance groove 19 is formed in the corresponding movable top plate 15 of the limiting plate 16 in a sliding mode, the hanging frame 20 and the interval positioning plate 18 are driven to rotate through the fact that the motor 12 is electrified, the symmetrical threaded shaft 13 is enabled to be close to or far away from each other, the angle between the movable top plate 15 and the limiting plate 16 is changed, the connecting position between the limiting plate 16 and the interval positioning plate 18 is adjusted in a threaded mode, the fact that the size of the necking bridge is different in size, and the conventional cold-shrink bridge can not be processed in a matched mode.

The inner side surface of the limiting plate 16 is fixedly connected with a clamping plate 17, the interval positioning plates 18 are symmetrically fixedly connected to the upper surface of the suspension frame 20, and when the electric drive bridge is in operation, the electric drive bridge can keep centered and static through the clamping plate 17 when the electric drive bridge is between the two limiting plates 16, so that necking operation can be conveniently performed by aligning the necking die 3.

The lifting plate 10 is symmetrically provided with adjusting grooves 11, bolts penetrate through the adjusting grooves 11 and are fixedly connected to the side face of the suspended frame 20 in a threaded mode, when the lifting plate is in operation, friction force is reduced through rotating the bolts, so that the height of the suspended frame 20 can be adjusted, electric drive bridges with different sizes are adapted, two ways of adjusting and adapting the electric drive bridges with different sizes are achieved, the application range is wider, and the problem that an existing diameter reducing device cannot be universally used due to the fact that the existing diameter reducing device is specially used for one size is solved.

By adopting the scheme, when the electric drive bridge necking machine is used, the existing hydraulic oil cylinder 6 can be matched through the hydraulic oil cylinder 6 connected with the fixed frame plate 1 in a pin manner, then the tail end height of the hydraulic oil cylinder 6 of the adjustable extrusion plate 7 is adjusted and kept in a vertical ground state, so that the end face of the electric drive bridge can be contacted with a plane, the electric drive bridge can be stably pushed by stress to enter a cold necking unit for necking, meanwhile, the electric drive bridge with different sizes can be matched to push the electric drive bridge with different sizes to enter the cold necking unit for necking through adjusting the height of the adjustable extrusion plate 7, and the problem that the existing necking device cannot be matched with the electric drive bridge with different sizes is solved; the height of the reducing die 3 can be adjusted in the positioning groove 2 through the sliding fit between the positioning groove 2 and the reducing die 3, the fastening plate 5 is extruded by a rotating nut to be in contact with the fixed frame plate 1 to complete fixation, so that the necking requirements of the electric drive bridges with different sizes can be met, the center heights of the electric drive bridges with different sizes can be aligned, the problem that the traditional cold shrink neck device cannot be met, the symmetrical threaded shaft 13 is driven to rotate through the power on of the motor 12, the symmetrical two sliding blocks 14 are mutually close to or far away from each other, the angle of the movable top plate 15 and the limiting plate 16 is changed, the angle between the two limiting plates 16 is changed, the connecting position between the limiting plate 16 and the spacing positioning plate 18 is matched and adjusted, the function of adapting the electric drive bridges with different sizes to carry out cold necking is achieved, the problem that the traditional cold shrink neck device cannot be met, the electric drive bridges with different sizes can be kept stationary in the center when the electric drive bridges are between the two limiting plates 16 through the clamping plate 17, the necking operation is conveniently performed by aiming at the necking die 3, the friction force is reduced through rotating bolts, the height of the suspended frame 20 can be adjusted, and therefore electric drive bridges with different sizes are adapted, the two ways of adjusting and adapting the electric drive bridges with different sizes are realized, the application range is wider, and the problem that the existing necking device cannot be universally used due to the fact that the existing necking device is specially used for one size is solved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The cold shrink neck device of the electric drive bridge is characterized by comprising a fixed frame plate (1), wherein a cold shrink neck unit is arranged on the side face of the fixed frame plate (1), a limiting unit is arranged on the upper surface of the inner side of the fixed frame plate (1), a hydraulic cylinder (6) is connected to the fixed frame plate (1) corresponding to the limiting unit in a pin mode, an adjustable extrusion plate (7) is connected to a movable end pin of the hydraulic cylinder (6), and a horizontal base plate (8) is arranged below the hydraulic cylinder (6).

2. The cold shrink neck device of the electric drive bridge is characterized in that the cold shrink neck unit comprises a positioning groove (2), the positioning groove (2) is formed in a fixed frame plate (1), a diameter reducing die (3) is inserted in the positioning groove (2) in a sliding mode, a plurality of threaded rods (4) are fixedly connected to the diameter reducing die (3), and fastening plates (5) and nuts are sleeved on the threaded rods (4) in a sleeved mode.

3. The electric drive bridge cold shrink neck device according to claim 2 is characterized in that the limiting unit comprises symmetrical clamping grooves (9), the symmetrical clamping grooves (9) are symmetrically formed in a fixed frame plate (1), lifting plates (10) are sleeved in the symmetrical clamping grooves (9) in a sliding mode, a hanging frame (20) is connected between the lifting plates (10) in a sliding mode, a symmetrical threaded shaft (13) is connected in the hanging frame (20) in a rotating mode, one end of the symmetrical threaded shaft (13) is fixedly connected with a motor (12), a sliding block (14) is sleeved on the symmetrical threaded shaft (13) in a threaded mode, a movable top plate (15) is connected to the sliding block (14) in a pin mode, the upper end of the movable top plate (15) is movably connected with a limiting plate (16), the lower ends of the limiting plate (16) are movably sleeved on a spacing positioning plate (18), and avoidance grooves (19) are formed in the hanging frame (20) and the spacing positioning plate (18) in a mode and correspond to the movable top plate (15).

4. The cold shrink neck device of the electric drive bridge according to claim 3, wherein the inner side surface of the limiting plate (16) is fixedly connected with a clamping plate (17), and the interval positioning plates (18) are symmetrically fixedly connected to the upper surface of the suspension frame (20).

5. The cold shrink neck device of the electric drive bridge according to claim 4, wherein the lifting plate (10) is symmetrically provided with adjusting grooves (11), bolts penetrate through the adjusting grooves (11), and the bolts are fixedly connected to the side face of the suspension frame (20) through threads.