CN214776266U

CN214776266U - Electric engineering vehicle frame and front and rear axle assembling device

Info

Publication number: CN214776266U
Application number: CN202120784413.9U
Authority: CN
Inventors: 来文江; 周炳水; 颜海峰; 吕浩; 王振; 李艳
Original assignee: China United Engineering Corp Ltd
Current assignee: China United Engineering Corp Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-19
Anticipated expiration: 2031-04-16

Abstract

The utility model provides an electric engineering vehicle frame and front and back axle assembly quality, the track location is accurate between overall arrangement compactness, convenient operation, assembly are efficient, the assembly station. The sliding frame component is arranged on the frame in a lifting and sliding manner; the driving device is arranged on the frame and connected with the sliding frame component; the track is horizontally arranged on the sliding frame component; the AGV trolley mechanism is matched with the elevator; the two elevators are arranged side by side from left to right, the feeding conveying chain is connected with the left elevator, and the discharging conveying chain is connected with the right elevator; the positioning mechanism comprises a positioning pin mechanism and a positioning groove, the positioning pin mechanism comprises a positioning cylinder and a positioning pin, the positioning pin is arranged on the positioning cylinder, and the positioning pin is matched with the positioning groove; the positioning mechanism is provided with two sets, wherein one set of positioning pin mechanism and one set of positioning groove are respectively arranged on the rails of the two elevators, and the other set of positioning pin mechanism and the other set of positioning groove are respectively arranged on the discharging conveying chain and the rail of the right elevator.

Description

Electric engineering vehicle frame and front and rear axle assembling device

Technical Field

The utility model relates to an electric engineering vehicle frame and front and back axle assembly quality, mainly used vehicle, especially fork truck part attach together the assembly operation.

Background

The existing electric engineering vehicle assembly process mainly comprises the step of manually assembling a frame and a front axle and a rear axle on a plate link chain through a traveling crane. The front axle needs to be assembled with a drive axle, a gearbox and a motor in a preassembling station by the aid of a travelling crane or an electric hoist. The front axle and the rear axle are respectively placed on a plate chain assembly line by the aid of a travelling crane or an electric hoist, and the assembly with the frame is completed. And the frames of different models are conveyed to different buffer areas through a forklift after being coated.

The original assembling process needs an operator to complete the assembling of the front axle and the rear axle by means of auxiliary tools such as an electric hoist, a crane and the like; the assembly of different vehicle types needs to be respectively provided with independent assembly lines or different support tools are arranged on a plate chain; the whole assembly plant needs to be equipped with a large cache area. And a forklift is required to be used for transferring among the assembly line, the pre-assembly line and the workpiece caching area. The assembly efficiency is low and there is great potential safety hazard in the transfer engineering.

The applicant's chinese patent application No. 201810766297.0 discloses a multi-station assembling system for directly assembling a coating accumulation chain, which is used for assembling and assembling vehicles, especially forklift parts. The device comprises a plurality of assembly stations, and an assembly device is arranged on each assembly station. For the assembly process of the frame and the front axle and the rear axle of the electric engineering vehicle, only the frame and the front axle and the rear axle of the electric engineering vehicle need to be assembled, and if the above patent technology is directly adopted, the structure and the assembly process of the device are complicated, and the assembly efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide an electric engineering vehicle frame and front and back axle assembly quality that structural design is reasonable, overall arrangement is compact, convenient operation, assembly are efficient, the assembly station between accurate, the track location

The utility model provides a technical scheme that above-mentioned problem adopted is: an assembly device for a frame and front and rear axles of an electric engineering vehicle comprises a feeding conveying chain, a lifter, an AGV trolley mechanism and a discharging conveying chain; the elevator comprises a driving device, a frame, a sliding frame component and a track; the sliding frame component is arranged on the frame in a lifting and sliding manner; the driving device is arranged on the frame and connected with the sliding frame component; the track is horizontally arranged on the sliding frame component; the AGV trolley mechanism is matched with the elevator; the method is characterized in that: the two elevators are arranged side by side from left to right, the feeding conveying chain is connected with the left elevator, and the discharging conveying chain is connected with the right elevator; the positioning mechanism comprises a positioning pin mechanism and a positioning groove, the positioning pin mechanism comprises a positioning cylinder and a positioning pin, the positioning pin is arranged on the positioning cylinder, and the positioning pin is matched with the positioning groove; the positioning mechanism is provided with two sets, wherein one set of positioning pin mechanism and one set of positioning groove are respectively arranged on the rails of the two elevators, and the other set of positioning pin mechanism and the other set of positioning groove are respectively arranged on the discharging conveying chain and the rail of the right elevator.

The utility model also comprises a pushing mechanism, the pushing mechanism comprises a driving motor, a pushing frame, a cart mechanism and a driving chain; the pushing frame is arranged on the sliding frame component; the driving motor is arranged on the pushing rack; the driving motor is connected with the cart mechanism through a driving chain.

The car pushing mechanism of the utility model comprises a cart, a push rod and a spring; the cart is slidably mounted on the pushing rack; the push rod is hinged on the cart; one end of the spring is connected with the cart, and the other end of the spring is connected with the push rod.

Push rod and shallow between be provided with limit structure and make the push rod can only rotate backward.

The utility model has one set of positioning pin mechanism installed on the right side elevator track and one set of positioning groove installed on the left side elevator track; and a positioning pin mechanism of the other set of positioning mechanism is arranged on a track of the right-side lifter, and the positioning groove is arranged on the discharging conveying chain.

Compared with the prior art, the utility model, have following advantage and effect: the utility model discloses can be applicable to the electric engineering vehicle assembly needs of different models, change original attaching together technology, greatly improve electric engineering's assembly efficiency. Under the control of the MES system, the mixed assembly of various vehicle types can be realized, the length of an assembly line is effectively shortened, the cache space is effectively reduced, and the assembly efficiency is greatly improved. And the positioning of the rails among the assembly stations is accurate.

Drawings

Fig. 1 is a schematic view of the structure of the embodiment of the present invention.

Fig. 2 is a schematic top view of an elevator according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an elevator positioning mechanism according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

The embodiment of the utility model provides an including feeding conveying chain 1, hoisting machine structure 2, lift 3, push mechanism 4, AGV dolly mechanism 5, positioning mechanism 6, ejection of compact conveying chain 7 and bearing trolley 8.

The feeding conveying chain 1 and the discharging conveying chain 7 are mature conveying chains, can adopt the prior art, are used for conveying the coated frame to a combining station from a coating workshop, and can be realized by adopting the forms of stacking chains and the like.

The bearing trolley 8 is matched with the feeding conveying chain 1, the lifter 3 and the discharging conveying chain 7.

The hoisting mechanism 2 is hung on the bearing trolley 8, and the hoisting mechanism 2 is responsible for hoisting the frame. The hoisting mechanism 2 can adopt the prior art.

The lift 3 is located at the assembly station for lowering the aerial vehicle frames to the assembly position and comprises a drive 31, a frame 32, a carriage assembly 33 and rails 34.

The carriage assembly 33 is mounted on the frame 32 in a lifting and sliding manner through pulleys.

The drive unit 31 is mounted on a frame 32 and is connected to a carriage assembly 33 by a chain.

The rails 34 are mounted horizontally on the carriage assembly 33.

The pushing mechanism 4 includes a driving motor 41, a pushing frame 42, a pushing mechanism 43, and a driving chain 44.

The pusher carriage 42 is mounted on the carriage assembly 33.

The driving motor 41 is mounted on the pushing frame 42.

The drive motor 41 is connected to the cart mechanism 43 through a drive chain 44.

The pusher mechanism 43 is slidably mounted on the pusher carriage 42. The cart mechanism 43 includes a cart 431, a push rod 432, and a spring 433. The cart 431 is slidably mounted on the cart frame 42. The push rod 432 is hinged to the cart 431, and a limit structure is provided between the push rod 432 and the cart 431 such that the push rod 432 can only rotate backward. One end of the spring 433 is connected to the cart 431 and the other end is connected to the push rod 432. The cart mechanism 43 is matched with the bearing trolley 8, and the cart mechanism 43 can push the bearing trolley 8 to move: the driving motor 41 drives the cart mechanism 43 to move forward, the push rod 432 of the cart mechanism 43 rotates backward when contacting the carrier cart 8, so that the cart mechanism 43 is not blocked by the carrier cart 8, when the cart mechanism 43 moves forward of the carrier cart 8, the push rod 432 is reset under the action of the spring, the driving motor 41 drives the cart mechanism 43 to move backward, and the push rod 432 pushes the carrier cart to move backward.

The two elevators 3 are arranged side by side at the left and the right and are closely adjacent to each other. The feeding conveying chain 1 is connected with the left lifter 3, and the discharging conveying chain 7 is connected with the right lifter 3.

The positioning mechanism 6 comprises a positioning pin mechanism and a positioning groove 63, the positioning pin mechanism comprises a positioning cylinder 61 and a positioning pin 62, the positioning pin 62 is installed on the positioning cylinder 61, and the positioning pin 62 is matched with the positioning groove 63. The positioning mechanisms 6 are provided with two sets, wherein one set of positioning pin mechanism and positioning groove 63 are respectively arranged on the rails 34 of the two elevators 3, and the other set of positioning pin mechanism and positioning groove 63 are respectively arranged on the discharging conveying chain 7 and the rail 34 of the right elevator 3. In this embodiment, the positioning pin mechanism of one set of positioning mechanism 6 is installed on the rail 34 of the right-hand elevator 3, and the positioning groove 63 is installed on the rail 34 of the left-hand elevator 3; the positioning pin mechanism of the other set of positioning mechanism 6 is arranged on the track 34 of the right-side lifter 3, and the positioning groove 63 is arranged on the discharging conveying chain 7. And the positioning mechanism 6 is used for accurately positioning the rails among the assembly stations.

The AGV trolley mechanism 5 is matched with the elevator 3. The AGV trolley mechanism 5 completes front and rear axle preassembly, transportation and the like in a workshop according to a preset process, and completes assembly between the front and rear axles and the frame at an assembly station.

The utility model discloses an operation flow:

1. the feeding conveying chain 1 conveys the coated frame to a left lifter 3; when the bearing track of the feeding conveying chain 1 is butted with the track 34 of the lifter, the feeding conveying chain 1 transports the bearing trolley 8 with the suspended frame to the track 34 of the lifter 3; the driving motor 41 of the pushing mechanism 4 drives the cart mechanism 43 to move through the driving chain 44, and the cart mechanism 43 drives the carrying trolley 8 to move to the designated position.

2. When the carriage assemblies 33 of the two elevators 3 are lowered to the proper working height, the rails 34 between the two elevators 3 are aligned, and the rails 34 of the right elevator 3 are aligned with the outfeed conveyor chain 7. The positioning mechanism 6 is actuated and the positioning cylinder 61 pushes the positioning pin 62 to be inserted into the positioning groove 63.

3. The AGV trolley mechanism 5 transports the rear axle to the position under the frame of the left-side lifter 3, and a worker starts the attaching operation of the rear axle and the frame connection.

4. The driving motor 41 of the pushing mechanism 4 drives the trolley mechanism 43 to move through the driving chain 44, and the trolley mechanism 43 drives the carrying trolley to move from the rail 34 of the left-side lifter 3 to the rail 34 of the right-side lifter 3.

5. The AGV trolley mechanism 5 transports the front axle to the position under the frame of the right-side lifter 3, and a worker starts the attaching operation of the front axle and the frame.

6. The pushing mechanism 4 of the right elevator 3 works to move the bearing trolley provided with the frame from the rail 34 of the right elevator 3 to the discharging conveying chain 7, and the bearing trolley is conveyed to the next station for next assembly work.

The utility model discloses except that realizing attaching together of frame and front and back axle, can also realize the pre-installation work of front axle trigeminy machine on the frock, saved original trigeminy machine line of preassembleing.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. An assembly device for a frame and front and rear axles of an electric engineering vehicle comprises a feeding conveying chain, a lifter, an AGV trolley mechanism and a discharging conveying chain; the elevator comprises a driving device, a frame, a sliding frame component and a track; the sliding frame component is arranged on the frame in a lifting and sliding manner; the driving device is arranged on the frame and connected with the sliding frame component; the track is horizontally arranged on the sliding frame component; the AGV trolley mechanism is matched with the elevator; the method is characterized in that: the two elevators are arranged side by side from left to right, the feeding conveying chain is connected with the left elevator, and the discharging conveying chain is connected with the right elevator; the positioning mechanism comprises a positioning pin mechanism and a positioning groove, the positioning pin mechanism comprises a positioning cylinder and a positioning pin, the positioning pin is arranged on the positioning cylinder, and the positioning pin is matched with the positioning groove; the positioning mechanism is provided with two sets, wherein one set of positioning pin mechanism and one set of positioning groove are respectively arranged on the rails of the two elevators, and the other set of positioning pin mechanism and the other set of positioning groove are respectively arranged on the discharging conveying chain and the rail of the right elevator.

2. The assembly device for the frame and the front and rear axles of the electric engineering vehicle as claimed in claim 1, wherein: the pushing mechanism comprises a driving motor, a pushing rack, a pushing mechanism and a driving chain; the pushing frame is arranged on the sliding frame component; the driving motor is arranged on the pushing rack; the driving motor is connected with the cart mechanism through a driving chain.

3. The assembly device for the frame and the front and rear axles of the electric engineering vehicle as claimed in claim 2, wherein: the car pushing mechanism comprises a cart, a push rod and a spring; the cart is slidably mounted on the pushing rack; the push rod is hinged on the cart; one end of the spring is connected with the cart, and the other end of the spring is connected with the push rod.

4. The assembly device for the frame and the front and rear axles of the electric engineering vehicle as claimed in claim 3, wherein: a limiting structure is arranged between the push rod and the trolley, so that the push rod can only rotate backwards.

5. The assembly device for the frame and the front and rear axles of the electric engineering vehicle as claimed in claim 1, wherein: a positioning pin mechanism of one set of positioning mechanism is arranged on the track of the right-side lifter, and a positioning groove is arranged on the track of the left-side lifter; and a positioning pin mechanism of the other set of positioning mechanism is arranged on a track of the right-side lifter, and the positioning groove is arranged on the discharging conveying chain.