CN215848079U

CN215848079U - Trolley checking fixture

Info

Publication number: CN215848079U
Application number: CN202122040590.9U
Authority: CN
Inventors: 黄凯东; 李沛中; 钟隆裕; 李庆; 梁江文
Original assignee: Guangzhou Mino Equipment Co Ltd
Current assignee: Guangzhou Mino Equipment Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-18
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a trolley checking fixture, which comprises: the detection tool frame is provided with a guide rail, the guide rail extends along the X direction, and the guide rail is used for being matched with a roller of the trolley so as to guide the trolley into the trolley detection tool; the X-direction positioning assembly comprises an X-direction positioning unit and an X-direction clamping mechanism, and the X-direction clamping mechanism is used for tightly pressing an X-direction positioning block of the trolley on the X-direction positioning unit along the X direction to realize X-direction positioning; the Y-direction positioning assembly comprises a Y-direction positioning unit and a Y-direction pressing mechanism, the Y-direction pressing mechanism is used for applying transverse acting force to the Y-direction positioning block on one side of the trolley and pressing the Y-direction positioning block on the other side of the trolley to the Y-direction positioning unit to realize Y-direction positioning; and the Z-direction positioning unit is used for matching with the Z-direction positioning block of the trolley in the process of pressing the X-direction positioning block of the trolley on the X-direction positioning unit by the X-direction clamping mechanism and jacking the trolley upwards to realize Z-direction positioning. The scheme is simple and labor-saving to operate, and can measure and adjust the trolley positioning structure conveniently.

Description

Trolley checking fixture

Technical Field

The utility model is used in the field of conveying equipment, and particularly relates to a trolley checking fixture.

Background

In the field of automobile production, the trolley is taken as a common conveying device and plays an extremely important role in production and transportation. In order to ensure accurate positioning of the trolley, the positioning structure on the trolley needs to be measured and position-adjusted through the checking fixture. Traditional manual utensil of examining needs the manual work to promote adjustment platform truck position and fixes a position, and the operation is comparatively loaded down with trivial details, wastes time and energy, and it is great to examining utensil and platform truck location part wearing and tearing to adjust repeatedly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve one of the technical problems in the prior art and provides a trolley checking fixture.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a dolly gauge comprising:

the detection tool frame is provided with a guide rail, the guide rail extends along the X direction, and the guide rail is used for being matched with a roller of a trolley so as to guide the trolley into the trolley detection tool;

the X-direction positioning assembly comprises an X-direction positioning unit and an X-direction clamping mechanism, and the X-direction clamping mechanism is used for tightly pressing an X-direction positioning block of the trolley on the X-direction positioning unit along the X direction to realize X-direction positioning;

the Y-direction positioning assembly comprises a Y-direction positioning unit and a Y-direction pressing mechanism, and the Y-direction pressing mechanism is used for applying a transverse acting force to the Y-direction positioning block on one side of the trolley and pressing the Y-direction positioning block on the other side of the trolley to the Y-direction positioning unit to realize Y-direction positioning;

and the Z-direction positioning unit is used for matching with the Z-direction positioning block of the trolley in the process that the X-direction clamping mechanism tightly presses the X-direction positioning block of the trolley on the X-direction positioning unit, and jacking the trolley upwards to realize Z-direction positioning.

In some embodiments, the guide rail comprises a first guide rail and a second guide rail, the first guide rail and the second guide rail leaving a space therebetween.

In some embodiments, the Z-direction positioning unit is disposed on the gauge frame in the gap, the Z-direction positioning unit includes a first base and a Z-direction supporting roller disposed on the first base, and the first base is mounted on the gauge frame and a first adjusting pad is disposed between the first base and the gauge frame along a height direction.

In some embodiments, a rail adjustment device is further included that adjusts the distance between the first rail and the second rail.

In some embodiments, the X-direction positioning unit includes a second base and a positioning block disposed on the second base, and a second adjusting pad along the X-direction is disposed between the positioning block and the second base.

In some embodiments, the X-direction clamping mechanism includes a third base, a first air cylinder and a clamping block, the clamping block is hinged to the third base, and an output end of the first air cylinder is connected to the clamping block for driving the clamping block to swing back and forth, so as to cooperate with the X-direction positioning unit to realize X-direction positioning of the trolley.

In some embodiments, the Y-positioning unit includes a fourth base and a first Y-supporting roller provided on the fourth base, and the fourth base is provided with a position adjusting block for adjusting a Y-position of the first Y-supporting roller.

In some embodiments, the Y-direction pressing mechanism includes a fifth base and a second cylinder, and the output end of the second cylinder is provided with a second Y-direction supporting roller.

In some embodiments, the gauge frame is provided with a trolley guide assembly for engaging a friction bar of a trolley.

In some embodiments, the inspection device further comprises a trailer guide member disposed forward of the inspection device frame trolley entry end.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the trolley is clamped and pressed in two horizontal directions, namely an X direction and a Y direction, and automatic positioning is realized through a Z-direction positioning unit by means of acting force of an X-direction clamping mechanism in the vertical direction. Compare in traditional manual utensil of examining need artifical promotion adjustment platform truck position to fix a position, only need during the use of this scheme with the platform truck push examine utensil and operate X to clamping mechanism and Y to hold-down mechanism can realize the location of platform truck on examining the utensil, easy operation is laborsaving, can be comparatively convenient do measurement and adjustment to platform truck location structure, the platform truck is mostly rolling friction with examining the utensil within a definite time, reduces wearing and tearing.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a structural isometric view of one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an X-direction positioning assembly, a Y-direction pressing mechanism and a Z-direction positioning unit of the embodiment shown in FIG. 1;

FIG. 3 is a schematic structural diagram of an X-direction positioning assembly and a Y-direction positioning unit of the embodiment shown in FIG. 1;

FIG. 4 is a schematic structural view of one embodiment of the trolley of the present invention;

fig. 5 is a schematic structural diagram of a state of an adaptive trolley according to an embodiment of the utility model.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.

In the utility model, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

Fig. 1 shows a reference direction coordinate system of an embodiment of the present invention, and the following describes an embodiment of the present invention with reference to the directions shown in fig. 1.

The trolley belongs to the conventional prior art, and referring to fig. 4, the trolley 1 mainly comprises a frame assembly 11, a friction rod 12, an X-direction positioning block 13, a Y-direction positioning block 14, a Z-direction positioning block 15 and a roller 16.

In order to ensure accurate positioning of the trolley, the embodiment of the utility model provides a trolley checking fixture, and referring to fig. 1, the trolley checking fixture comprises a checking fixture frame 21, an X-direction positioning assembly, a Y-direction positioning assembly and a Z-direction positioning unit.

Wherein, examine a frame 21 and be equipped with the guide rail, the guide rail is followed X and is extended, and the guide rail is used for cooperating with the gyro wheel 16 of platform truck in order to examine a utensil with leading-in platform truck of platform truck.

The X-direction positioning assembly comprises an X-direction positioning unit 22 and an X-direction clamping mechanism 23, and the X-direction clamping mechanism 23 is used for pressing the X-direction positioning block 13 of the trolley on the X-direction positioning unit 22 along the X direction so as to realize X-direction positioning of the trolley on the checking fixture.

The Y-direction positioning assembly comprises a Y-direction positioning unit 24 and a Y-direction pressing mechanism 25, the Y-direction pressing mechanism 25 is used for applying transverse acting force to the Y-direction positioning block 14 on one side of the trolley and enabling the Y-direction positioning block 14 on the other side of the trolley to be pressed on the Y-direction positioning unit 24, and Y-direction positioning of the trolley on the detection tool is achieved.

The Z-direction positioning unit 26 is used for matching with the Z-direction positioning block 15 of the trolley and jacking up the trolley to realize Z-direction positioning of the trolley on the checking fixture in the process that the X-direction clamping mechanism 23 presses the X-direction positioning block of the trolley on the X-direction positioning unit 22.

With reference to fig. 1 and 5, the embodiment of the present invention clamps and presses the trolley in two horizontal directions, i.e., X direction and Y direction, and realizes automatic positioning in the vertical direction by the Z-positioning unit 26 by the force of the X-clamping mechanism 23. Compared with the traditional manual detection tool which needs to manually push and adjust the position of the trolley for positioning, the positioning of the trolley on the detection tool can be realized only by pushing the trolley into the detection tool and operating the X-direction clamping mechanism 23 and the Y-direction pressing mechanism 25 through the corresponding control valves in the scheme, the operation is simple and labor-saving, and the measurement and the adjustment of the trolley positioning structure can be conveniently carried out.

Referring to fig. 1, the guide rail includes a first guide rail 211 and a second guide rail 212, a space is left between the first guide rail 211 and the second guide rail 212, and the first guide rail 211 and the second guide rail 212 are respectively matched with rollers on the left side and the right side of the trolley, so that the trolley can stably enter and exit the trolley checking fixture.

Further, referring to fig. 1 and 2, the Z-direction positioning unit 26 corresponds to a Z-direction positioning block at the bottom of the trolley, the Z-direction positioning unit 26 is disposed on the gauge frame 21 in the gap, the Z-direction positioning unit 26 is disposed along the first guide rail 211 and the second guide rail 212 in plurality, the Z-direction positioning unit 26 includes a first base 261 and a Z-direction supporting roller 262 disposed on the first base 261, the first base 261 is mounted on the gauge frame 21, a first adjusting shim 263 in the height direction is disposed between the first base 261 and the gauge frame 21, and the Z-direction supporting roller 262 of the Z-direction positioning unit 26 is adjusted to the standard position of the trolley gauge by the first adjusting shim 263.

In some embodiments, referring to fig. 1, the trolley gauge further includes a rail adjustment device 213 that adjusts the distance between the first rail 211 and the second rail 212, and a shim that adjusts the height of the first rail 211 and the second rail 212. The height of the guide rail is adjusted by increasing or decreasing the spacers, and the lateral distance of the guide rail is adjusted to a standard position by the guide rail adjusting devices 213 on both sides.

The X-directional positioning unit 22 remains stationary during the X-directional positioning, and in some embodiments, referring to fig. 2, the X-directional positioning unit 22 includes a second base 221 and a positioning block 222 disposed on the second base 221, a second adjusting shim 223 along the X-direction is disposed between the positioning block 222 and the second base 221, and the positioning block 222 of the X-directional positioning unit 22 is adjusted to the standard position by adjusting the second adjusting shim 223.

The X-direction clamping mechanism 23 is used for applying an X-direction clamping force to the X-direction positioning block 13 of the trolley, and at the same time, the trolley can be matched with the Z-direction positioning unit 26 by means of the clamping force to realize Z-direction positioning, which can be driven by an air cylinder, an oil cylinder or a motor, for example, in some embodiments, referring to fig. 2, the X-direction clamping mechanism 23 comprises a third base 231, a first air cylinder 232 and a clamping block 233, the clamping block 233 is hinged to the third base 231, an output end of the first air cylinder 232 is connected with the clamping block 233 for driving the clamping block 233 to swing back and forth so as to be matched with the X-direction positioning unit 22 to realize X-direction positioning of the trolley and ensure that the trolley can enter and exit the trolley checking fixture.

The Y-positioning unit 24 remains stationary during the Y-positioning, and in some embodiments, referring to fig. 3, the Y-positioning unit 24 includes a fourth base 241 and a first Y-supporting roller 242 disposed on the fourth base 241, the fourth base 241 is provided with a position adjusting block 243 for adjusting the Y-position of the first Y-supporting roller 242 and an adjusting pad, and the Y-positioning unit 24 is adjusted to the standard position by adjusting the position adjusting block 243.

The Y-direction pressing mechanism 25 is used for applying a Y-direction pressing force to the Y-direction positioning block 14 of the trolley, and may be driven by an air cylinder, an oil cylinder or a motor, for example, in some embodiments, referring to fig. 2, the Y-direction pressing mechanism 25 includes a fifth base 251 and a second air cylinder 252, and an output end of the second air cylinder 252 is provided with a second Y-direction supporting roller 253. The second cylinder 252 drives the second Y-direction supporting roller 253 to extend and retract along the Y direction, so that the trolley is positioned and pressed in the Y direction.

In some embodiments, referring to FIG. 1, the gauge frame 21 is provided with a trolley guide assembly 214 for engaging a friction bar of a trolley. The trolley inspection tool further comprises a trailer guide part 215 which is arranged in front of the trolley entrance end of the inspection tool frame 21.

The technical scheme of the utility model is explained by taking the working process of a certain embodiment as an example:

referring to fig. 5, during calibration of the dolly, the dolly (with the jig) is guided into the dolly gauge by using the trailer, and the trailer and the dolly gauge are aligned by the trailer guide member 215. The trolley is guided into the rear friction bar 12 and enters the checking fixture trolley guide assembly 214, and the rollers roll on the trolley checking fixture guide rails. An operator controls the first cylinder 232 of the X-direction clamping mechanism 23 to drive the clamping block 233 through the manual control valve, so that the trolley X-direction positioning block 13 is pressed on the positioning block 222 of the X-direction positioning unit 22, and the X-direction positioning is realized. In the process, the trolley Z-direction positioning block 15 is contacted with the checking fixture Z-direction positioning unit 26Z-direction supporting roller 262 and jacked up, at the moment, the trolley roller leaves the guide rail, and the trolley is lifted to a preset height to realize Z-direction positioning.

And then, the manual control valve is operated to retract the first air cylinder 232, the X-direction positioning is released after the first air cylinder 232 finishes acting, the manual control valve is operated to actuate the second air cylinder 252 of the Y-direction pressing unit, and the second Y-direction supporting roller 253 pushes the trolley to be pressed on the first Y-direction supporting roller 242 of the Y-direction positioning unit 24 on the other side, so that Y-direction positioning is realized. At this time, the direction of the trolley Y, Z is rolling friction, and the manual control valve is operated to make the first cylinder 232 of the X-direction clamping unit drive the clamping block 233, so as to press the trolley X-direction positioning block 13 against the positioning block 222 of the X-direction positioning unit 22 again. And realizing X-direction positioning. If the X-direction positioning is performed first, the clamping block 233 and the X-direction positioning block 13 have sliding friction during the Y-direction positioning, which is not favorable for reducing wear. In the scheme, sliding friction is avoided by adjusting the positioning sequence, and abrasion is reduced. After the three directions are completely positioned, the trolley fixture can be measured and adjusted. After the calibration of the trolley is finished, the manual control valve is operated to release X, Y direction positioning, and the trolley is manually pushed to release Z direction limiting and return to the trailer.

In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 utility model is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.

Claims

1. The utility model provides an utensil is examined to platform truck which characterized in that includes:

2. The trolley inspection tool of claim 1 wherein the guide rails comprise a first guide rail and a second guide rail, and a space is left between the first guide rail and the second guide rail.

3. The trolley checking fixture according to claim 2, wherein the Z-direction positioning unit is arranged on the checking fixture frame in the gap, the Z-direction positioning unit comprises a first base and a Z-direction supporting roller arranged on the first base, and the first base is mounted on the checking fixture frame and provided with a first adjusting gasket along the height direction.

4. The trolley gauge of claim 2, further comprising a rail adjustment device that adjusts the distance between the first rail and the second rail.

5. The trolley checking fixture according to claim 1, wherein the X-direction positioning unit comprises a second base and a positioning block arranged on the second base, and a second adjusting gasket along the X direction is arranged between the positioning block and the second base.

6. The trolley checking fixture according to claim 1, wherein the X-direction clamping mechanism comprises a third base, a first air cylinder and a clamping block, the clamping block is hinged to the third base, and an output end of the first air cylinder is connected with the clamping block and used for driving the clamping block to swing back and forth so as to be matched with the X-direction positioning unit to realize X-direction positioning of the trolley.

7. The trolley checking fixture according to claim 1, wherein the Y-direction positioning unit comprises a fourth base and a first Y-direction supporting roller arranged on the fourth base, and the fourth base is provided with a position adjusting block for adjusting the Y-direction position of the first Y-direction supporting roller.

8. The trolley checking fixture according to claim 1, wherein the Y-direction pressing mechanism comprises a fifth base and a second air cylinder, and a second Y-direction supporting roller is arranged at an output end of the second air cylinder.

9. The trolley gauge of claim 1, wherein the gauge frame is provided with a trolley guide assembly for engaging a friction bar of a trolley.

10. The dolly gauge of claim 1, further comprising a trailer guide member disposed forward of the gauge frame dolly entry end.