CN218344983U

CN218344983U - Vehicle body lifting appliance wheel base adjusting device

Info

Publication number: CN218344983U
Application number: CN202221561112.0U
Authority: CN
Inventors: 卢辰灏; 祁三中; 时雨; 郭斐
Original assignee: Lantu Automobile Technology Co Ltd
Current assignee: Lantu Automobile Technology Co Ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-01-20
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a wheel base adjusting device for a car body lifting appliance, which comprises a lifting appliance and an adjusting mechanism; the lifting appliance comprises a top frame, lifting arms and a lifting beam, wherein the lifting arms are arranged on two sides of the top frame, the lifting beam comprises a beam body, a front supporting piece and a rear supporting piece, the beam body is transversely arranged at the lower end of the lifting arms, the front supporting piece is connected to the front part of the beam body, the rear supporting piece is movably connected to the rear part of the beam body, and the rear supporting piece is provided with a positioning part; the adjusting mechanism comprises two adjusting units corresponding to the hanging beams, each adjusting unit comprises a base, a moving assembly, a lifting assembly and a positioning pin, the moving assemblies are connected to the bases and used for driving the positioning pins to move horizontally, the lifting assemblies are used for driving the positioning pins to lift, the positioning pins can be matched with the positioning portions to position the vehicle body lifting appliance axle distance adjusting device provided by the application, the same adjusting mechanism can be adopted for different lifting appliances, the universality of the adjusting mechanism is strong, and one-to-many axle distance adjustment can be achieved.

Description

Vehicle body lifting appliance wheel base adjusting device

Technical Field

The utility model relates to an automobile parts makes auxiliary assembly technical field, concretely relates to automobile body hoist wheel base adjusting device.

Background

Conventional hoist supports all can only produce a platform or the motorcycle type that the wheel base is great, but some car enterprises carry out the collineation production with the multi-platform car type in order to practice thrift the investment, its characteristics are exactly that the motorcycle type wheel base of different platforms is very far different with the car overall length, differ more than one meter at most, can only use the hoist that the back support can be adjusted, in the prior art, the adjusting device of adjustable wheel base generally directly integrates on the hoist, such adjusting device can not be general in other hoists, do not have good universal suitability, if need other hoists also to carry out the wheel base and adjust, then corresponding adjusting device need be installed equally.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides an automobile body hoist wheel base adjusting device to integrated adjusting device can only adjust the wheel base of single hoist on solving prior art's automobile body hoist, can not realize adjustment mechanism's general.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a wheel base adjusting device for a vehicle body lifting appliance comprises a lifting appliance and an adjusting mechanism;

the lifting appliance comprises a top frame, lifting arms and a lifting beam, wherein the lifting arms are arranged on two sides of the top frame, the lifting beam comprises a beam body, a front supporting piece and a rear supporting piece, the beam body is transversely arranged at the lower end of the lifting arms, the front supporting piece is connected to the front part of the beam body, the rear supporting piece is movably connected to the rear part of the beam body, and the rear supporting piece is provided with a positioning part;

the adjusting mechanism comprises two adjusting units corresponding to the hanging beams, each adjusting unit comprises a base, a moving assembly, a lifting assembly and a positioning pin, the moving assembly is connected to the base and used for driving the positioning pin to move horizontally, the lifting assembly is used for driving the positioning pin to lift, and the positioning pin can be matched with the positioning portion for positioning.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

the application provides an automobile body hoist wheel base adjusting device, the hoist is in lifting device's drive displacement to adjustment mechanism's top, drive the locating pin through the motion subassembly and move to the position that corresponds with location portion, lifting unit drives the locating pin and goes up and down and location portion location fit, then just can drive back support piece when motion subassembly drives locating pin horizontal motion and move on the roof beam body, and then realize the regulation of wheel base, the hoist after having adjusted leaves adjustment mechanism under lifting device's drive, the automobile body hoist wheel base adjusting device that this application provided, can adopt same adjustment mechanism to the hoist of difference, the adjustment mechanism commonality is strong, can realize that a pair of many wheel bases adjust.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the motion subassembly includes motion driving piece, guide and motion seat, the lift subassembly includes lift driving piece, base plate and setting element, the guide sets up along the fore-and-aft direction on the base, the motion seat activity set up in the guide, the motion driving piece is used for the drive the motion seat is along the fore-and-aft direction motion.

Furthermore, the motion driving part comprises a first cylinder, a second cylinder, a sliding plate and a butt plate, the sliding plate is connected to the base in a sliding mode, a cylinder body of the first cylinder and a cylinder body of the second cylinder are in coaxial butt joint through the butt plate, a cylinder shaft of the first cylinder is connected with the sliding plate, and a cylinder shaft of the second cylinder is connected with the motion seat.

Furthermore, the adjusting mechanism further comprises a detection unit, the detection unit comprises a detection frame and at least two detection switches arranged on the detection frame at intervals along the front-back direction, and after the lifting appliance moves to the initial adjusting position at the upper end of the adjusting mechanism, the horizontal distance between each detection switch and the front supporting piece corresponds to a vehicle body axle distance.

Further, the detection unit includes three detection switches.

Furthermore, the lifting driving piece comprises a base plate and a lifting cylinder, the cylinder body of the lifting cylinder is connected to the moving seat, the base plate is connected to the cylinder shaft of the lifting cylinder, and the positioning pin is vertically connected to the upper end of the base plate.

Furthermore, the upper end of the suspension arm can be rotatably arranged on the top frame.

Further, the front support includes a front support arm connected to the front of the beam body and a front assembling pin located at an upper end of the front support arm.

Further, back support piece includes slider, retaining member, back supporting arm and back installation round pin, slider slidable install in the spout at roof beam body rear portion, the retaining member is used for locking the slider is in position in the spout, back supporting arm connect in the slider, back installation round pin connect in the upper end of back supporting arm.

Further, the positioning part is a positioning hole formed at the lower end of the rear supporting arm.

Drawings

Fig. 1 is a schematic structural diagram of a spreader in a wheel base adjusting device for a vehicle body spreader according to an embodiment of the present invention;

fig. 2 is a schematic top view of an adjusting mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view of a matching state of a lifting appliance and an adjusting structure according to an embodiment of the present invention;

fig. 4 is a schematic top view of the adjusting unit.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It is to be understood that spatial relationship terms such as "under" \8230; under "," ' under 8230; \8230; under "\8230;," ' over 8230; over "", "" over "", etc., may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "at 8230; \8230; below" and "at 8230; \8230; below" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. The "connection" in the following embodiments is understood as "electrical connection", "communication connection", or the like if the connected circuits, modules, units, or the like have electrical signals or data transmission therebetween.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

At present, in order to save investment, part of vehicle enterprises carry out collinear production on multi-platform vehicle types, and the vehicle model wheelbases and the total vehicle length of different platforms have larger difference, so that the vehicle bodies need to be hoisted by adopting hoists capable of adjusting the wheelbases of the vehicle bodies, but the adjusting mechanisms of the existing wheelbases capable of adjusting the wheelbases on the market are integrated on the hoists, and the adjusting mechanisms can only adjust the wheelbases of the hoists where the adjusting mechanisms are positioned, thereby causing low universality,

the utility model provides a pair of automobile body hoist wheel base adjusting device more enough solves above-mentioned problem, as shown in fig. 1 and fig. 2, it includes hoist 100 and adjustment mechanism 200.

As shown in fig. 1, the lifting appliance 100 includes a top frame 11, a suspension arm 12 and a suspension beam 13, wherein the top frame 11 is a hollow frame structure and serves as a bearing substrate of the whole lifting appliance 100, and the suspension arm 12 is installed at two sides of the top frame 11 and serves as a connecting structure of the top frame 11 and the suspension beam 13; the suspension beam 13, which is a structure directly connected to the vehicle body, includes a beam body 131, a front support 132, and a rear support 133, the beam body 131 is transversely installed at the lower end of the suspension arm 12, the front support 132 is connected to the front portion of the beam body 131, the rear support 133 is movably connected to the rear portion of the beam body 131, and the rear support 133 has a positioning portion.

In the embodiment, the upper end of the boom 12 is rotatably mounted on the top frame 11, and specifically, the upper end of the boom 12 is a tubular structure, and the end of the tubular structure is connected with the upper end of the top frame 11 through a bearing, so that the boom 12 can be opened relative to the top frame 11.

As shown in fig. 2 to 4, the adjusting mechanism 200 includes two adjusting units 2 corresponding to the hanging beam 13, each adjusting unit 2 includes a base 21, a moving assembly 22, a lifting assembly 23, and a positioning pin 24, the moving assembly 22 is connected to the base 21 and is used for driving the positioning pin 24 to move horizontally, the lifting assembly 23 is used for driving the positioning pin 24 to lift, and the positioning pin 24 can be located by matching with the positioning portion.

In the present embodiment, the front support 132 includes a front support arm 1321 connected to the front of the girder 131 and a front assembling pin 1322 located at an upper end of the front support arm 1321.

The rear support 133 includes a sliding block 1331, a locking member 1332, a rear support arm 1333 and a rear mounting pin 1334, the sliding block 1331 is slidably mounted in the sliding slot at the rear of the beam 131, the locking member 1332 is used for locking the position of the sliding block 1331 in the sliding slot, in the embodiment, the locking member 1332 is a fastening bolt which extends into the sliding slot from one side of the sliding slot and is abutted against and fixed with the sliding block 1331, in another embodiment, the locking member 1332 is a rack and pinion, and the position of the rack is fixed by locking the gear; among them, the rear support arm 1333 is connected to the slider 1331, the rear mounting pin 1334 is connected to the upper end of the rear support arm 1333, and the positioning portion is a positioning hole formed at the lower end of the rear support arm 1333.

The front assembling pin 1322 and the rear assembling pin 1334 are respectively used for assembling and positioning the vehicle body when the vehicle body is hung and taken by the hanging beam 13, and the positioning pin 24 is positioned by positioning matching with the positioning hole.

When the vehicle body lifting appliance wheel base adjusting device is used, the lifting appliance 100 is driven by lifting equipment to move to the position above the adjusting mechanism 200, the moving assembly 22 drives the positioning pin 24 to move to the position corresponding to the positioning hole, the lifting assembly 23 drives the positioning pin 24 to lift and be matched with the positioning hole in a positioning mode, then the moving assembly 22 drives the positioning pin 24 to horizontally move, the rear supporting piece 133 can be driven to move on the beam body 131, the wheel base is adjusted, the adjusted lifting appliance 100 is driven by the lifting equipment to leave the adjusting mechanism 200, and wheel base adjusting work is completed.

The wheel base adjusting device for the vehicle body lifting appliance provided by the embodiment can share the lifting appliances of different vehicle types and specifications by one adjusting mechanism, and further realize the effect of collinear production of multiple vehicle types.

The moving assembly 22 includes a moving driving member 221, a guiding member 222 and a moving seat 223, the lifting assembly 23 includes a lifting driving member 231 and a base plate 232, the guiding member 222 is disposed on the base 21 along the front-back direction, the moving seat 223 is movably disposed on the guiding member 222, and the moving driving member 221 is configured to drive the moving seat 223 to move along the front-back direction.

In some embodiments of the present application, the motion driving member 221 is a telescopic cylinder, and the telescopic cylinder extends and retracts to drive the positioning pin 24 to move; in the preferred embodiment, the motion drive 221 includes a first cylinder 2211, a second cylinder 2212, a slide plate 2213, and a docking plate 2214.

The sliding plate 2313 is slidably connected to the base 21, specifically, two sides of the base 21 are provided with guide rail blocks, and the sliding plate 2313 is arranged between the guide rail blocks at the two sides and can slide along the front-back direction defined by the guide rail blocks; the cylinder body of the first cylinder 2211 and the cylinder body of the second cylinder 2212 are coaxially butted through a butting plate 2214, specifically, the cylinder shaft of the first cylinder 2211 is arranged towards the front end, the cylinder shaft of the second cylinder 2212 is arranged towards the rear end, wherein the cylinder shaft of the first cylinder 2211 is connected with the sliding plate 2213, and the cylinder shaft of the second cylinder 2212 is connected with the kinematic seat 223.

The first cylinder 2211 and the second cylinder 2212 may adopt cylinders with the same specification, or cylinders with different specifications, which is not limited in this application, and those skilled in the art may select a suitable cylinder according to actual requirements.

The lifting driving member 231 includes a lifting cylinder, a cylinder body of the lifting cylinder is connected to the moving base 223, the base plate 232 is connected to a cylinder shaft of the lifting cylinder, and the positioning pin 24 is vertically connected to the upper end of the base plate 232.

When the device is used, firstly, the cylinder shaft of the first cylinder 2211 is fixed, the second cylinder 2212 works to drive the moving seat 223 to slide, the positioning pin 24 moves to the position right below the positioning hole, then the lifting cylinder 2312 drives the substrate 2311 to ascend, the positioning pin 24 is matched and positioned with the positioning hole, the second cylinder 2212 is locked at the moment, the first cylinder 2211 drives the sliding plate 2213 to move, due to the locking of the second cylinder 2212, the sliding plate 2213 and the moving seat 223 are fixed relatively at the moment, the sliding plate 2213 moves to drive the positioning pin 24 to move, further, the rear supporting piece 133 is driven to slide, and the adjustment of the shaft distance can be achieved.

In this embodiment, the adjusting mechanism further includes a detecting unit 3, the detecting unit 3 includes a detecting frame 31 and at least two detecting switches 32 installed on the detecting frame 31 at intervals in the front-rear direction, and after the spreader 100 moves to the initial adjusting position of the upper end of the adjusting mechanism 200, a horizontal distance between each detecting switch 32 and the front mounting pin 1322 corresponds to a vehicle body wheelbase.

In the present embodiment, the detection unit 3 comprises three detection switches 32, i.e. the adjustment device can adjust three wheelbases.

It can be understood that the form of cylinder drive is adopted in the application, because the cylinder generally only has two fixed positions on its stroke, therefore three detection switches are provided in this embodiment, two cylinders are required to realize, in other embodiments, the form of matching between the servo motor and the ball screw can also be adopted to realize the fixation of any position, and the stepless adjustment of the wheel base is realized, but the connection form of the servo motor and the ball screw is more complicated in mechanical structure, the cost is higher, and in practical use, a person skilled in the art can flexibly select different drive modes.

When the adjusting device is used for collinear production, firstly, a Manufacturing Execution System (MES) in a production workshop sends a corresponding target wheelbase according to vehicle information, then a vehicle body lifting appliance 100 enters the upper part of the adjusting mechanism 200 under the control of the MES, a detection switch 32 identifies the current wheelbase, if the current wheelbase is consistent, adjustment is not needed, the vehicle body lifting appliance directly enters a vehicle body production line to lift the vehicle body, if the current wheelbase is inconsistent, the vehicle body wheelbase consistent with the target wheelbase is determined, then the wheelbase is adjusted according to the adjusting mode, and after the actual wheelbase is consistent with the target wheelbase, a positioning pin 24 exits from a positioning hole, and the adjusted lifting appliance enters a vehicle receiving position of the vehicle body production line to receive vehicles.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A vehicle body lifting appliance wheelbase adjusting device is characterized by comprising a lifting appliance and an adjusting mechanism;

2. The vehicle body lifting appliance wheelbase adjusting device according to claim 1, wherein the moving assembly comprises a moving driving member, a guiding member and a moving seat, the lifting assembly comprises a lifting driving member, a base plate and a positioning member, the guiding member is arranged on the base along a front-back direction, the moving seat is movably arranged on the guiding member, and the moving driving member is used for driving the moving seat to move along the front-back direction.

3. The vehicle body spreader wheelbase adjusting device according to claim 2, wherein the motion driving member comprises a first cylinder, a second cylinder, a sliding plate and a butt plate, the sliding plate is slidably connected to the base, the cylinder body of the first cylinder and the cylinder body of the second cylinder are coaxially butted through the butt plate, the cylinder shaft of the first cylinder is connected with the sliding plate, and the cylinder shaft of the second cylinder is connected with the motion base.

4. The vehicle body spreader wheelbase adjusting device according to claim 2, wherein the adjusting mechanism further comprises a detecting unit, the detecting unit comprises a detecting frame and at least two detecting switches installed on the detecting frame at intervals in the front-rear direction, and after the spreader moves to an initial adjusting position at the upper end of the adjusting mechanism, a horizontal distance between each detecting switch and the front support corresponds to a vehicle body wheelbase.

5. The vehicle body spreader wheelbase adjustment device according to claim 4, characterized in that the detection unit comprises three detection switches.

6. The vehicle body spreader wheelbase adjusting device according to claim 2, wherein the lifting driving member comprises a base plate and a lifting cylinder, a cylinder body of the lifting cylinder is connected to the moving seat, the base plate is connected to a cylinder shaft of the lifting cylinder, and the positioning pin is vertically connected to an upper end of the base plate.

7. The vehicle body spreader wheelbase adjustment device of claim 1, wherein the upper end of the boom arm is rotatably mounted on the head frame.

8. The vehicle body spreader wheelbase adjustment device according to claim 1, characterized in that the front support comprises a front support arm connected to the front of the beam and a front fitting pin at the upper end of the front support arm.

9. The vehicle body spreader wheelbase adjusting device of claim 1, wherein the rear support comprises a slider, a locking member, a rear support arm and a rear mounting pin, the slider is slidably mounted in a sliding groove at the rear of the beam body, the locking member is used for locking the position of the slider in the sliding groove, the rear support arm is connected to the slider, and the rear mounting pin is connected to the upper end of the rear support arm.

10. The vehicle body spreader wheelbase adjustment device according to claim 9, wherein the positioning portion is a positioning hole formed at a lower end of the rear support arm.