CN220011830U - Flexible chassis lifting appliance with switchable supporting arms - Google Patents

Abstract

The utility model relates to the technical field of chassis lifting appliances and discloses a flexible chassis lifting appliance with switchable supporting arms. According to the flexible chassis lifting appliance with the switchable lifting arms, the lifting arms are connected with the holding arms in a spliced detachable connection mode, so that quick replacement and fixation of different types of lifting arms can be realized, the lifting appliance can realize the transportation and process requirements of multiple platform vehicle types through switching of the lifting appliance lifting arms, and the transformation investment cost and transformation period of the lifting appliance when a new platform vehicle type is on line are reduced.

Description

Flexible chassis lifting appliance with switchable supporting arms

Technical Field

The utility model relates to the technical field of chassis lifting appliances, in particular to a flexible chassis lifting appliance with switchable supporting arms.

Background

In a factory assembly shop of an automobile, an automobile chassis is generally carried out on a lifting appliance in the process of being assembled to an automobile body. Common chassis hoist body in trade and hoist lift the arm of automobile body form as an organic whole, hoist support arm passes through bolt or other forms and directly fastens on the hoist body. Along with market diversification demand, electric motor car platform's import, there are the condition that more than three kinds of motorcycle types or tradition car and new energy car are collinearly on a production line, and the wheel base difference of different level motorcycle types is too big to cause hoist bracket and motorcycle type unable matching, needs the adaptation motorcycle type of new hoist of preparation, and high adaptability hoist structure is complicated, and the preparation cycle is long, causes serious cost and time waste.

In the industry, the lifting appliance support arm is designed into a mode that X is adjustable forwards and backwards and Y is adjustable leftwards and rightwards, so that the multi-platform adaptability of the lifting appliance is realized, but the problem that multiple vehicle types are collinear under the condition that the positions and the sizes of the lifting appliance locating pins are all different can not be solved by the scheme.

Disclosure of Invention

The utility model aims to provide a flexible chassis lifting appliance with switchable supporting arms, which solves the problem that the traditional lifting appliance cannot adapt to the collineation of multiple vehicle types.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a flexible chassis hoist of changeable trailing arm, includes frame 1, rotatable connect in armful arm 2 of frame 1, and connect in armful arm 2's trailing arm 3, trailing arm 3 through grafting mechanism 4 with armful arm 2 can dismantle the connection, grafting mechanism 4 includes:

the fixed flange 100 is vertically and fixedly connected to the arm 2 and is provided with a mounting surface 110, and a first mounting hole 120 is formed in the mounting surface 110;

the plugging assembly 200 comprises a connecting plate 210 and a plugging frame 220, wherein a second mounting hole 211 is formed in the connecting plate 210 and is connected with the first mounting hole 120 through a bolt, the plugging frame 220 is fixedly connected with the connecting plate 210, and an indexing pin 230 inserted into the plugging frame 220 is arranged on the side surface of the plugging frame 220;

the plug block 300 is fixedly connected with one end of the bracket arm 3, and can be inserted into the plug frame 220, and a plug hole matched with the index pin 230 is formed in the side surface of the plug block 300.

Further, the top, bottom, left and right inner walls of the plug frame 220 are respectively provided with a wear plate 240.

Further, the wear plate 240 is made of tin bronze.

Further, an adjusting spacer 250 is disposed between the wear plate 240 and the inner wall of the plug frame 220.

Further, a wear-resistant sleeve 310 is disposed in the plug hole.

Further, the first mounting hole 120 is a slotted hole in the third direction Z.

Further, the second mounting hole 211 is a oblong hole in the first direction X.

Further, reinforcing ribs 400 are respectively arranged between the fixing flange 100 and the arm 2, between the plug frame 220 and the connecting plate 210, and between the plug block 300 and the bracket arm 3.

Further, the plug 300 is manufactured by milling steel ingots.

Further, the end of the plugging block 300, which is plugged with the plugging frame 220, is contracted toward the center of the end surface to form a guiding portion 320.

Compared with the prior art, the utility model has the beneficial effects that:

according to the flexible chassis lifting appliance with the switchable lifting arms, the lifting arms are connected with the holding arms in a spliced detachable connection mode, so that quick replacement and fixation of different types of lifting arms can be realized, the lifting appliance can realize the transportation and process requirements of multiple platform vehicle types through switching of the lifting appliance lifting arms, and the transformation investment cost and transformation period of the lifting appliance when a new platform vehicle type is on line are reduced.

According to the flexible chassis lifting appliance with the switchable bracket, the mounting holes of the fixing flange and the mounting holes of the connecting plate are long round holes in the third direction Z and the first direction X respectively, so that the bracket can be adjusted in the third direction Z and the first direction X; the adjusting gaskets can be increased or decreased between the wear-resisting plate and the inner wall of the plug frame, so that the small size difference of the bracket arm in the first direction X and the third direction Z is adapted.

The flexible chassis lifting appliance with the switchable bracket provided by the utility model is suitable for various platform vehicle types, realizes flexibility, and particularly solves the problem of collineation of various vehicle types with completely different vehicle body positioning pins.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a flexible chassis spreader with switchable joists according to one embodiment;

FIG. 2 is a schematic diagram of a plug mechanism according to one embodiment;

FIG. 3 is a cross-sectional view of a plug mechanism in one embodiment;

FIG. 4 is a schematic view of a mounting flange according to one embodiment;

FIG. 5 is a schematic diagram of a plug block in one embodiment;

1. the upper frame, the holding arm, the bracket arm and the plugging mechanism are arranged in the upper frame;

100. a mounting flange 110, a mounting surface 120, a first mounting hole;

200. the assembly comprises a plug assembly, 210, a connecting plate, 211, a second mounting hole, 220, a plug frame, 221, an upper cover plate, 222, a lower cover plate, 223, a left cover plate, 224, a right cover plate, 230, an index pin, 240, a wear plate and 250, an adjusting gasket;

300. the wear-resistant sleeve comprises an insertion block, 310, a wear-resistant sleeve and 320, a guide part;

400. reinforcing ribs;

x, first direction, Y, second direction, Z, third direction.

Detailed Description

For the purpose of promoting an understanding of the principles and advantages of embodiments of the utility model, reference will now be made in detail to the drawings, in which it is apparent that the embodiments described are some, but not all embodiments of the utility model. 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.

Referring to fig. 1, the present embodiment provides a flexible chassis lifting appliance with switchable arms, which includes an upper frame 1, a holding arm 2 rotatably connected to the upper frame 1, and a holding arm 3 connected to the holding arm 2.

The structure and the connection manner of the upper frame 1 and the arm 2 belong to the prior art, and are not described herein.

In this embodiment, the bracket 3 may be configured to have multiple specifications, each specification of the bracket 3 may have positioning pins with different pitches, and the bracket 3 may be detachably connected to the arm 2 through the plugging mechanism 4, so that the bracket 3 with a corresponding specification may be replaced according to actual requirements.

Referring to fig. 2 to 5, the plugging mechanism 4 includes: a mounting flange 100, a plug assembly 200 and a plug block 300.

The fixing flange 100 is fixedly connected to the arm 2 vertically along the third direction Z, the fixing flange 100 has a surface-finished mounting surface 110, and a plurality of first mounting holes 120 are formed in the mounting surface 110.

And a reinforcing rib 400 is arranged between the fixed flange 100 and the holding arm 2, so that the connection strength of the plugging mechanism 4 is ensured.

The plug assembly 200 includes a connection board 210 and a plug frame 220, where a second mounting hole 211 is provided on the connection board 210 and is connected with the first mounting hole 120 through a bolt.

In one embodiment, the first mounting hole 120 is a oblong hole in the third direction Z, and the second mounting hole 211 is a oblong hole in the first direction X, so as to ensure that the bracket arm 3 can be adjusted in the third direction Z and the first direction X.

The plug frame 220 is fixedly connected to the connection board 210, the plug frame 220 is formed by surrounding an upper cover plate 221, a lower cover plate 222, a left cover plate 223 and a right cover plate 224, and indexing pins 230 inserted into the plug frame 220 are arranged on the surfaces of the left cover plate 223 and the right cover plate 224.

Reinforcing ribs 400 are likewise arranged between the plug frame 220 and the connecting plate 210.

The plug 300 is fixedly connected to one end of the bracket arm 3, the plug 300 may be inserted into the plug frame 220, and a plug hole matched with the index pin 230 is provided on a side surface of the plug 300.

The index pin 230 is internally pressed with a locking washer which is turned up after the index pin 230 is fastened in place, preventing the index pin 230 from being released and protecting the bracket arm 3 for the second time.

In one embodiment, the insert block 300 is made of steel ingot by milling, so that the internal stress of a step part formed at the joint of the insert block 300 and the bracket 3 is reduced to the maximum extent on the basis of ensuring the strength and the dimensional accuracy of the bracket 3, the bracket 3 is prevented from deforming after being used, and the dimensional consistency of the bracket 3 is ensured.

The insertion block 300 is inserted into the insertion frame 220 at one end thereof, and is retracted toward the center of the end surface to form a guide portion 320, so that the insertion block 300 is inserted into the insertion frame 220.

A reinforcing rib 400 is also arranged between the plug block 300 and the bracket arm 3.

In one embodiment, the wear sleeve 310 is disposed within the socket to reduce wear between the index pin 230 and the socket.

In one embodiment, the inner walls of the upper cover 221, the lower cover 222, the left cover 223 and the right cover 224 are provided with wear-resistant plates 240, and the wear-resistant plates 240 are made of tin bronze, so that abrasion of the bracket 3 in the process of inserting and extracting the plug frame 220 through the plug block 300 can be reduced, the plug block 220 is protected, lubrication is performed, and the service life of the bracket 3 is prolonged.

In one embodiment, an adjusting pad 250 is further disposed between the wear plate 240 and the inner walls of the upper cover plate 221, the lower cover plate 222, the left cover plate 223 and the right cover plate 224, and the adjusting pad 250 is increased or decreased between the wear plate 240 and the inner walls of the upper cover plate 221, the lower cover plate 222, the left cover plate 223 and the right cover plate 224 to adapt to the micro-size difference of the bracket arm 3 in the first direction X and the third direction Z, and in addition, when the wear plate 240 is slightly worn, the adjusting pad 250 may be added between the wear plate 240 and the corresponding cover plate for adjustment.

The working process of the flexible chassis lifting appliance with the switchable bracket provided by the utility model comprises the following steps:

firstly, according to the actual needs, the specification of the bracket arm 3 is selected, when the bracket arm 3 is inserted into the arm 2, the index pins 230 are pulled away from the two ends, the plug block 300 is inserted into the plug frame 220 along the second direction Y to be contacted with the wear-resistant plate 240, the index pins 230 are loosened, the index pins 230 are inserted into the wear-resistant sleeves 310 on the side surfaces of the plug block 300 under the action of springs, the plug block 300 is locked in the plug frame 220, and the connection between the bracket arm 3 and the arm 2 is completed.

When the bracket 3 is replaced and needs to be disassembled, the index pin 230 is pulled away from both ends, and then the bracket 3 is pulled out along the second direction Y, so that the index pin 230 is released.

When the wear plate 240 is slightly worn, the adjusting pad 250 can be added between the wear plate 240 and the corresponding cover plate for adjustment; when the wear plate 240 is severely worn, the bracket arm 3 is detached firstly, then the plug assembly 200 is detached from the fixing flange 100, and a new plug assembly 200 is directly replaced, so that the maintenance time of the lifting appliance is shortened; when original the bracket 3 can not adapt to the newly-increased other platform motorcycle types of the line body, then newly-increased one the bracket 3 specification, through the quick switch of bracket 3 realizes the collineation of different platform motorcycle types, reduces the transformation cost and the transformation cycle of hoist body.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a flexible chassis hoist of changeable trailing arm, includes frame (1), rotatable connect in armful arm (2) of frame (1) and connect in trailing arm (3) of armful arm (2), its characterized in that, trailing arm (3) through grafting mechanism (4) with armful arm (2) detachable connection, grafting mechanism (4) include:

the fixed flange (100) is vertically and fixedly connected to the arm (2) and is provided with a mounting surface (110), and a first mounting hole (120) is formed in the mounting surface (110);

the plug-in assembly (200) comprises a connecting plate (210) and a plug-in frame (220), wherein a second mounting hole (211) is formed in the connecting plate (210), the second mounting hole is connected with the first mounting hole (120) through a bolt, the plug-in frame (220) is fixedly connected to the connecting plate (210), and an indexing pin (230) inserted into the plug-in frame (220) is arranged on the side face of the plug-in frame;

the plug-in block (300), plug-in block (300) fixed connection in the one end of trailing arm (3), can insert inside plug-in frame (220), the side of plug-in block (300) is provided with the spliced eye of graduation round pin (230) complex.

2. The flexible chassis sling for a switchable bracket according to claim 1, wherein the upper, lower, left and right inner walls of the plug frame (220) are provided with wear plates (240).

3. The flexible chassis hanger of claim 2, wherein said wear plate (240) is of tin bronze.

4. The flexible chassis sling for a switchable bracket according to claim 2, wherein an adjusting spacer (250) is further provided between the wear plate (240) and the inner wall of the plug frame (220).

5. The flexible chassis hanger of claim 1, wherein said socket is internally provided with a wear sleeve (310).

6. The flexible chassis sling for a switchable bracket as defined in claim 1, wherein the first mounting hole (120) is an oblong hole in the third direction (Z).

7. A flexible chassis spreader with switchable brackets according to claim 1, characterized in that the second mounting hole (211) is an oblong hole in the first direction (X).

8. The flexible chassis lifting appliance with the switchable bracket according to claim 1, wherein reinforcing ribs (400) are arranged between the fixing flange (100) and the arm (2), between the plug frame (220) and the connecting plate (210), and between the plug block (300) and the bracket (3).

9. A flexible chassis spreader with switchable brackets according to claim 1, characterized in that the plug blocks (300) are manufactured by ingot milling.

10. The flexible chassis sling for a switchable bracket according to claim 1, wherein the plug-in block (300) is formed with a guide portion (320) by shrinking one end of the plug-in block (300) which is plugged into the plug-in frame (220) toward the center of the end surface.