Downhill Adaptive Frame Trolley

Abstract

A downhill self-adaptive frame trolley, which relates to the technical field of vehicle manufacturing. The downhill self-adaptive frame trolley includes a trolley main body, a guide rail, a rear vehicle sliding support assembly for fixing the frame to be transported, and a limit baffle. The guide rail is installed on the trolley main body, the rear vehicle sliding support assembly is installed on the guide rail, and the limit baffle is located at both ends of the guide rail. The rear vehicle sliding support assembly fixes the frame to be transported, runs smoothly during horizontal ground drag chain transportation, and stops at each working station. When switching to double-plate chain downhill, the front and rear wheels of the frame trolley run on the double-plate chain. Due to inertia, the frame to be transported can slide along the guide rail together with the rear vehicle sliding support assembly when going downhill, but will be restricted to the limit position by the limit baffle, avoiding the entire frame to be transported from flying out of the track due to too large inertial force, and at the same time avoiding the situation of overturning when going downhill during the process of transporting the frame on the production line.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle manufacturing, and particularly to a downhill self-adaptive frame trolley. Background Art

[0002] In the process of modern vehicle manufacturing production, the vehicle frame needs to be transferred between various production processes. With the continuous expansion of the vehicle production scale and the continuous improvement of production efficiency, higher requirements are put forward for the conveying equipment that completes the transfer of the vehicle frame between various production processes.

[0003] At present, the traditional frame trolley structure is mainly used for the inter-process conveying of the vehicle frame. The equipment mainly consists of a trolley chassis, wheel assemblies, etc. For the above traditional frame trolley structure, when the frame trolley conveys the vehicle frame downhill, under the action of gravity, an accelerating effect in the direction of the track will be generated, which is likely to cause the frame trolley to roll over, resulting in the following serious consequences:

[0004] First, the production efficiency is reduced; if the frame trolley rolls over, additional labor and time are required to adjust the production line and reposition the trolley, thereby affecting the production efficiency of the entire production line.

[0005] Second, the property and personal safety are affected; after the frame trolley rolls over, it may not only damage the transported workpieces, but also injure the surrounding operators, and even endanger lives.

[0006] Third, the work experience is affected; rolling over is an inevitable and unpredictable safety hazard for the existing frame trolley when going downhill, which poses a great threat to the safety of the operators on the production line, making the operators lack a sense of security and always need to be on guard against accidents, affecting the work experience while also affecting the production efficiency.

[0007] In summary, there is an urgent need in the prior art for a new type of frame trolley that can effectively avoid rolling over when going downhill. Summary of the Invention

[0008] The technical problem solved by the present invention is to provide a new type of frame trolley to overcome the technical defect that the existing frame trolley is prone to roll over when going downhill.

[0009] To solve the above technical problem, an embodiment of the present invention provides a downhill self-adaptive frame trolley, including a trolley main body, a guide rail, a rear vehicle sliding support assembly for fixing the frame to be transferred, and a limit baffle. The guide rail is installed on the trolley main body, the rear vehicle sliding support assembly is installed on the guide rail, and the limit baffle is located at both ends of the guide rail.

[0010] In the above technical solution, further, the rear vehicle sliding support assembly includes a rail clamping structure and a support structure. The rail clamping structure is connected to the guide rail, the support structure is connected to the rail clamping structure, and the support structure is used for placing the vehicle frame to be transported.

[0011] In the above technical solution, further, there are at least two guide rails, and there are at least two rear vehicle sliding support assemblies. The support structures of multiple rear vehicle sliding support assemblies jointly fix the vehicle frame to be transported.

[0012] In the above technical solution, further, the support structure is an inclined support plate fixed on the rail clamping structure, and a buffer layer is provided on the support plate.

[0013] In the above technical solution, further, the trolley body includes a trolley chassis, support columns, and a plurality of wheels. The wheels are installed on the trolley chassis, the bottom of the support column is fixedly connected to the trolley chassis, and the guide rail is installed on the top of the support column.

[0014] In the above technical solution, further, a pin assembly is provided on the trolley body.

[0015] In addition, the present application also provides a trolley group for transporting workpieces, including a front trolley and a rear trolley applied to an assembly line. The front trolley is used to support the front part of the workpiece, and the rear trolley is used to support the rear part of the workpiece; characterized in that the rear trolley is the downhill self-adaptive type vehicle frame trolley described above.

[0016] Compared with the prior art, the technical solution of the embodiment of the present invention has the following beneficial effects:

[0017] The downhill self-adaptive type vehicle frame trolley provided by the embodiment of the present invention has the rear vehicle sliding support assembly fixing the vehicle frame to be transported, running smoothly and docking at each working station during horizontal floor drag chain transportation. When switching to double-plate chain downhill, the front and rear wheels of the vehicle frame trolley run on the double-plate chain. Due to inertia, the vehicle frame to be transported can slide along the guide rail together with the rear vehicle sliding support assembly during downhill, but will be restricted by the limit baffle at the extreme position, avoiding the entire vehicle frame to be transported from flying out of the track due to too large inertial force. At the same time, since the component to be transported has a certain amount of movement, it can play a buffering role and avoid the situation of overturning during downhill when transporting the vehicle frame on the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an exploded view of a downhill self-adaptive type vehicle frame trolley according to an embodiment of the present invention;

[0019] Figure 2 is a front view of a downhill self-adaptive type vehicle frame trolley according to an embodiment of the present invention;

[0020] Figure 3 It is the left view of a downhill self - adaptive frame trolley according to an embodiment of the present invention.

[0021] Reference numerals

[0022] 1 - trolley main body; 2 - guide rail; 3 - rear trolley sliding support assembly; 4 - limit baffle; 5 - pin assembly; 11 - trolley chassis; 12 - support column; 13 - wheel; 21 - bolt; 31 - rail - holding structure; 32 - support structure; 121 - platform. Detailed implementation manners

[0023] Those skilled in the art understand that, as described in the background art, currently the transportation of the frame mainly adopts the traditional frame trolley structure, which is composed of a trolley chassis, a wheel assembly, etc. When the frame trolley transports the frame downhill, under the action of gravity, an accelerating effect along the track direction will be generated, which is likely to cause the frame trolley to overturn.

[0024] An embodiment of the present invention provides a downhill self - adaptive frame trolley, including a trolley main body, a guide rail, a rear trolley sliding support assembly for fixing the frame to be transferred, and a limit baffle. The guide rail is installed on the trolley main body, the rear trolley sliding support assembly is installed on the guide rail, and the limit baffle is located at both ends of the guide rail.

[0025] For the downhill self - adaptive frame trolley provided by the embodiment of the present invention, the rear trolley sliding support assembly fixes the frame to be transferred, runs smoothly and docks at each working station during horizontal ground drag chain transportation. When switching to double - plate chain downhill, the front and rear wheels of the frame trolley run on the double - plate chain. Due to inertia, the frame to be transferred can slide along the guide rail together with the rear trolley sliding support assembly when going downhill, but will be restricted to the limit position by the limit baffle, avoiding the entire frame to be transferred from flying out of the track due to too large inertial force. At the same time, because the transfer assembly has a certain amount of movement, it can play a buffering role and avoid the situation of overturning when going downhill during the transportation of the frame on the production line.

[0026] To make the above - mentioned objects, features and beneficial effects of the present invention more obvious and understandable, the following will describe the specific embodiments of the present invention in detail with reference to the accompanying drawings.

[0027] Figure 1 It is an exploded view of a downhill self - adaptive frame trolley according to an embodiment of the present invention; Figure 2 It is the front view of a downhill self - adaptive frame trolley according to an embodiment of the present invention; Figure 3 It is the left view of a downhill self - adaptive frame trolley according to an embodiment of the present invention.

[0028] Such as Figures 1 - 3As shown in the figure, an embodiment of the present invention provides a downhill self-adaptive frame trolley, which includes a trolley main body 1, a guide rail 2, a rear trolley sliding support assembly 3 and a limit baffle 4. The guide rail 2 is installed on the trolley main body 1, the rear trolley sliding support assembly 3 is installed on the guide rail 2, and the limit baffle 4 is located at both ends of the guide rail 2.

[0029] The trolley main body 1 includes a trolley chassis 11, two support columns 12 and a plurality of wheels 13. The wheels 13 are installed on the trolley chassis 11. The bottoms of the two support columns 12 are respectively fixed on both sides of the trolley chassis 11. A guide rail 2 is installed on the top of each support column 12. Specifically, the guide rail 2 is fixed on the platform 121 at the top of the support column 12 by bolts 21.

[0030] Furthermore, a pin assembly 5 is provided on the trolley main body 1. The pin assembly 5 is used to connect to the assembly line so that the trolley main body 1 can move on the assembly line.

[0031] Two rear trolley sliding support assemblies 3 are respectively fixed on the guide rails 2 at the tops of the two support columns 12.

[0032] Furthermore, the rear trolley sliding support assembly 3 includes a rail clamping structure 31 and a support structure 32. The rail clamping structure 31 is connected to the guide rail 2, and the support structure 32 is connected to the rail clamping structure 31.

[0033] The support structure 32 is an inclined support plate fixed on the rail clamping structure 31. The inclined support plates of the two rear trolley sliding support assemblies 3 jointly support and fix the frame to be transported. In order to protect the frame to be transported, a buffer layer is provided on the surface of the support plate.

[0034] In addition, the present application also provides a trolley group for transporting workpieces, which includes a front trolley and a rear trolley applied to the assembly line. The front trolley is used to support the front part of the workpiece, and the rear trolley is used to support the rear part of the workpiece; the rear trolley is the above-mentioned downhill self-adaptive frame trolley.

[0035] Taking the frame to be transported as an example of the workpiece, the working principle of the trolley group is illustrated as follows:

[0036] The front trolley fixes the front end of the frame to be transported, and the rear trolley fixes the rear end of the frame to be transported. Specifically, the rear trolley includes a trolley main body 1, a guide rail 2, a rear trolley sliding support assembly 3 and a limit baffle 4. The guide rail 2 is installed on the trolley main body 1, the rear trolley sliding support assembly 3 is installed on the guide rail 2, and the limit baffle 4 is located at both ends of the guide rail 2. The rear trolley sliding support assembly 3 is fixed by the rear trolley sliding support assembly 3.

[0037] During operation, the front vehicle and the rear vehicle jointly support the frame to be transferred and move it on the assembly line. When running on the horizontal ground drag chain, the front vehicle and the rear vehicle run smoothly forward and backward and stop at each work station. When switching to the double-plate chain downhill section, the front vehicle completes the downhill first. The front and rear wheels 13 of the rear vehicle run on the double-plate chain. Due to inertia, the frame to be transferred can slide along the guide rail 2 together with the sliding support assembly 3 of the rear vehicle when going downhill. However, it will be restricted to the limit position by the limit baffle 4, preventing the entire frame to be transferred from flying out of the track due to inertia and also avoiding the situation of the rear vehicle tipping over when going downhill.

[0038] It can run smoothly whether it is transported on the horizontal ground drag chain or when running on the double-plate chain downhill section. It is very reliable in operation, and its structure is compact, simple and reasonable. It not only ensures the safety of workers but also guarantees the production efficiency in this process.

[0039] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be determined by the scope defined by the claims.

Claims

1. A trolley group for transporting workpieces, comprising a front trolley and a rear trolley applied to an assembly line. The front trolley is used to support the front part of the workpiece, and the rear trolley is used to support the rear part of the workpiece. It is characterized in that, The background vehicle is a downhill self-adaptive frame trolley, which includes a trolley main body, a guide rail, a rear vehicle sliding support assembly for fixing the frame to be transported, and a limit baffle. The guide rail is installed on the trolley main body, the rear vehicle sliding support assembly is installed on the guide rail, and the limit baffle is located at both ends of the guide rail. The rear vehicle sliding support assembly includes a rail-holding structure and a support structure. The rail-holding structure is connected to the guide rail, and the support structure is connected to the rail-holding structure. The support structure is used to place the frame to be transported. There are at least two guide rails, and at least two rear vehicle sliding support assemblies. The support structures of multiple rear vehicle sliding support assemblies jointly fix the frame to be transported. The support structure is an inclined support plate fixed on the rail-holding structure. A buffer layer is provided on the support plate. The trolley main body includes a trolley chassis, support columns, and several wheels. The wheels are installed on the trolley chassis. The bottom of the support column is fixedly connected to the trolley chassis. The guide rail is installed on the top of the support column. A pin assembly is provided on the trolley main body. During operation, the front vehicle and the rear vehicle jointly support the frame to be transported and move on the production line. When running on a horizontal ground drag chain, the front vehicle and the rear vehicle run smoothly forward and backward and stop at each work station. When switching to a double-plate chain downhill, the front vehicle completes the downhill first. The front and rear wheels of the rear vehicle run on the double-plate chain. Due to inertia, the frame to be transported can slide along the guide rail together with the rear vehicle sliding support assembly during downhill, but will be restricted by the limit baffle at the extreme position, avoiding the entire frame to be transported flying out of the track due to inertia, and at the same time avoiding the rear vehicle overturning during downhill.

2. The trolley group for transporting workpieces according to claim 1, characterized in that, A pin assembly is provided on the trolley main body.

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