CN212832397U

CN212832397U - Grinding wheel lifting appliance

Info

Publication number: CN212832397U
Application number: CN202021025371.2U
Authority: CN
Inventors: 王少宇; 李建清; 廖柳青
Original assignee: Guangzhou Diesel Engine Factory Co ltd
Current assignee: Guangzhou Diesel Engine Factory Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-30
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a grinding wheel hanger, which comprises a coupling mechanism, wherein the coupling mechanism comprises a coupling disc and a chuck plate, the chuck plate is fixed in the central hole of the grinding wheel, the first end of the coupling disc is detachably connected with the chuck plate, and the second end of the coupling disc is provided with a positioning part; the lower end of the suspension arm is rotatably connected with the positioning part of the chuck plate, and the upper end of the suspension arm is provided with a lifting ring. Through being connected the (holding) chuck and the coupling disc of fixed emery wheel, thereby the utility model discloses can realize firmly installing fast with the emery wheel. The suspension arm lifts the connecting disc, the positioning part of the connecting disc is rotatably connected with the connecting disc, and when the grinding wheel drives the connecting disc to rotate, the connecting disc can rotate freely without separating from the suspension arm, so that the safe operation of the operation process is ensured, and the potential safety hazard is reduced.

Description

Grinding wheel lifting appliance

Technical Field

The utility model relates to a grinding wheel lifting appliance in the lifting appliance technical field.

Background

At present, a grinding wheel is mounted and dismounted on a powerful grinding machine, a grinding wheel chuck is bound through a steel wire rope, then the grinding wheel chuck is hung by an overpass hoisting device, a hook is used for hanging the steel wire rope to mount or dismount the grinding wheel chuck to finish replacing the grinding wheel, and battens are further arranged at the bottom of the grinding wheel to serve as auxiliary supports. Because the grinding wheel box is inconvenient and unsafe to block and is hung obliquely, an operator is quite dangerous in the working process, once the grinding wheel slides down, the consequences are unimaginable, the potential safety hazard is large, and the efficiency is also very low. Moreover, the grinding wheel is usually made of white corundum, so that the cost is high, and when a wrench is manually used for acting, the phenomena of side turning, edge breakage and the like of the grinding wheel are easily caused, and unnecessary cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a emery wheel hoist, it can firmly hoist the emery wheel, reduces the potential safety hazard in the operation process.

According to a first aspect of the present invention, there is provided a grinding wheel hanger, comprising a coupling mechanism, wherein the coupling mechanism comprises a coupling disc and a chuck plate, the chuck plate is fixed in a central hole of a grinding wheel, a first end of the coupling disc is detachably connected with the chuck plate, and a second end of the coupling disc is provided with a positioning portion; the lower end of the suspension arm is rotatably connected with the positioning part of the chuck plate, and the upper end of the suspension arm is provided with a lifting ring.

According to the utility model discloses an embodiment of the first aspect, furtherly, the (holding) chuck is connected with the coupling disk through first bolt, be equipped with a plurality of first screws on the terminal surface that the (holding) chuck is close to the coupling disk, the screw is followed the circumference interval distribution of (holding) chuck, the first of coupling disk is served and is equipped with a plurality of second screws, each first bolt runs through insert behind the second screw connect in the first screw.

According to an embodiment of the first aspect of the present invention, further, the first end of the coupling disc is provided with a first recess, the first recess and the chuck plate are clearance fit.

According to the utility model discloses first aspect embodiment, furtherly, the coupling disc includes coupling disc body and lid, the coupling disc body is kept away from the one end of (holding) chuck is equipped with annular ladder portion, the lid with the connection can be dismantled to the terminal surface of ladder portion minor diameter end, ladder portion with form annular recess form location portion between the lid.

According to the utility model discloses in the embodiment of the first aspect, furtherly, the lid pass through the second bolt with this body coupling of coupling disc, be equipped with a plurality of third screws along circumference on the terminal surface of step, be equipped with a plurality of fourth screws on the lid, respectively the second bolt runs through insert behind the fourth screw connect in the third screw.

According to the utility model discloses the first aspect embodiment, furtherly, the lid is close to be equipped with the second depressed part on the terminal surface of coupling disc body, the second depressed part with the path end clearance fit of step.

According to the utility model discloses first aspect embodiment, furtherly, the lower extreme of davit is equipped with the davit through-hole, the location portion of (holding) chuck articulates in the davit through-hole.

According to the utility model discloses first aspect embodiment, furtherly, the davit includes horizontal hanger plate and vertical hanger plate, horizontal hanger plate is connected perpendicularly the top of vertical hanger plate, it is located to play rings on the horizontal hanger plate.

According to the utility model discloses the embodiment of the first aspect, furtherly, be equipped with the strengthening rib along vertical direction distribution on the vertical hanger plate.

According to the utility model discloses first aspect embodiment, furtherly, the bottom surface of horizontal hanger plate is equipped with the set-square, the top of set-square with it connects to play rings, the base of set-square with vertical hanger plate meets.

The utility model has the advantages that: through being connected the (holding) chuck and the coupling disc of fixed emery wheel, thereby the utility model discloses can realize firmly installing fast with the emery wheel. The suspension arm lifts the connecting disc, the positioning part of the connecting disc is rotatably connected with the connecting disc, and when the grinding wheel drives the connecting disc to rotate, the connecting disc can rotate freely without separating from the suspension arm, so that the safe operation of the operation process is ensured, and the potential safety hazard is reduced.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a front view of the present invention (in a state where the grinding wheel is not mounted);

FIG. 2 is a front view of the present invention (in a state in which the grinding wheel is loaded);

fig. 3 is a right side view of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 3, the grinding wheel hanger according to the embodiment of the present invention includes a coupling mechanism and a suspension arm 30, wherein the coupling mechanism includes a coupling plate 20 and a chuck plate 10.

The chuck 10 is fixed in the central hole of the grinding wheel 40. The first end of the coupling disk 20 is detachably connected with the chuck 10, optionally, the chuck 10 is connected with the coupling disk 20 through a first bolt, a plurality of first screw holes are arranged on the end surface of the chuck 10 close to the coupling disk 20, the screw holes are distributed along the circumferential direction of the chuck 10 at intervals, a plurality of second screw holes are arranged on the first end of the coupling disk 20, and each first bolt penetrates through the second screw holes and then is inserted into the first screw holes to be connected. Further, the first end of the coupling disc 20 is provided with a first recessed portion, the end of the chuck 10 extends into the first recessed portion, and the first recessed portion is in clearance fit with the chuck 10, so that the relative position of the chuck 10 and the coupling disc 20 is quickly positioned, and the first bolts are conveniently installed and fixed.

The second end of the coupling plate 20 is provided with a positioning portion for rotational connection with the lower end of the boom 30. In the embodiment, the coupling disc 20 includes a coupling disc body 21 and a cover 22, an annular step portion is provided at an end of the coupling disc body 21 away from the chuck 10, the cover 22 is detachably connected to an end face of a small diameter end of the step portion, and an annular groove-shaped positioning portion is formed between the step portion and the cover 22. Accordingly, the lower end of the boom 30 is provided with a boom through-hole in which the positioning part of the chuck 10 is hinged. Because the positioning part is in the shape of an annular groove, the suspension arm 30 is not easy to be separated from the connecting disc 20, and the effect of stable connection is achieved; in addition, when the grinding wheel 40 is to be installed, the grinding wheel 40 is usually rotated to align the spindle of the grinder motor with the keyway of the chuck 10, at this time, the grinding wheel 40 drives the coupling disk 20 to rotate, and the annular groove-shaped positioning part can also freely rotate in the through hole of the suspension arm, so that the grinding wheel is not affected.

The cover 22 is detachably connected to the end face of the small-diameter end of the step, preferably, the cover 22 is connected to the coupling disc body 21 through second bolts, a plurality of third screw holes are circumferentially formed in the end face of the step, a plurality of fourth screw holes are formed in the cover 22, and each second bolt penetrates through the fourth screw hole and then is inserted into the third screw hole to be connected. In order to facilitate the matching between the cover 22 and the coupling disc body 21, a second recessed portion is disposed on the end surface of the cover 22 close to the coupling disc body 21, and the second recessed portion is in clearance fit with the small-diameter end of the step portion, so that the cover 22 and the coupling disc body 21 are relatively limited.

The upper end of the boom 30 is provided with a hoist ring 35 to be connected to a hoisting apparatus through a wire rope. Preferably, the suspension arm 30 comprises a horizontal suspension plate 31 and a vertical suspension plate 32, the horizontal suspension plate 31 is vertically connected to the top end of the vertical suspension plate 32, a 7 shape is formed between the horizontal suspension plate 31 and the vertical suspension plate 32 to avoid the obstruction of the grinding wheel box, and the gravity center of the whole suspension tool is closer to the lifting gravity center of the grinding wheel 40 and is more stable during lifting. Further, the vertical hanger plate 32 is provided with reinforcing ribs 34 distributed in the vertical direction to reinforce the strength of the vertical hanger plate 32. In addition, the lifting ring 35 is positioned on the horizontal lifting plate 31; the bottom surface of the horizontal hanging plate 31 is provided with a triangular plate 33, the top end of the triangular plate 33 is connected with a lifting ring 35, and the bottom edge of the triangular plate 33 is connected with the vertical hanging plate 32, so that the bending resistance of the horizontal hanging plate 31 is enhanced, and the horizontal hanging plate 31 is prevented from being broken in the process of lifting the grinding wheel 40.

The utility model discloses during the use, davit 30 passes through coupling disk 20 and (holding) chuck 10 and emery wheel firm connection to ensure that emery wheel 40 can be hoisted by davit 30 steadily, lift by crane behind emery wheel 40, can install emery wheel 40 fast, safely on the grinding machine or dismantle from the grinding machine. In the process of hoisting the grinding wheel 40 to the grinding machine or unloading the grinding wheel from the grinding machine, the horizontal hanging plate 31 and the vertical hanging plate 32 of the suspension arm are connected in a 7 shape, so that obstacles such as a grinding wheel box and the like can be effectively avoided, and the operation difficulty is reduced.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A grinding wheel hanger, comprising:

the grinding wheel coupling mechanism comprises a coupling disc (20) and a chuck (10), the chuck (10) is fixed in a central hole of a grinding wheel (40), a first end of the coupling disc (20) is detachably connected with the chuck (10), and a second end of the coupling disc (20) is provided with a positioning part;

the lower end of the suspension arm (30) is rotatably connected with the positioning part of the chuck (10), and the upper end of the suspension arm (30) is provided with a lifting ring (35).

2. The grinding wheel hanger of claim 1, wherein: the chuck (10) is connected with the coupling disc (20) through a first bolt, a plurality of first screw holes are formed in the end face, close to the coupling disc (20), of the chuck (10), the screw holes are distributed at intervals along the circumferential direction of the chuck (10), a plurality of second screw holes are formed in the first end of the coupling disc (20), and the first bolt penetrates through the second screw holes and then is inserted into the first screw holes to be connected.

3. The grinding wheel spreader of claim 1 or 2, wherein: the first end of the coupling disc (20) is provided with a first recessed part which is in clearance fit with the chuck (10).

4. The grinding wheel hanger of claim 1, wherein: the coupling disc (20) comprises a coupling disc body (21) and a cover body (22), one end, far away from the chuck plate (10), of the coupling disc body (21) is provided with an annular step portion, the cover body (22) is detachably connected with the end face of the small-diameter end of the step portion, and an annular groove-shaped positioning portion is formed between the step portion and the cover body (22).

5. The grinding wheel hanger of claim 4, wherein: the cover body (22) is connected with the connecting disc body (21) through second bolts, a plurality of third screw holes are formed in the end face of the step portion along the circumferential direction, a plurality of fourth screw holes are formed in the cover body (22), and the second bolts penetrate through the fourth screw holes and then are inserted into the third screw holes to be connected.

6. The grinding wheel spreader of claim 4 or 5, wherein: and a second concave part is arranged on the end face, close to the connecting disc body (21), of the cover body (22), and the second concave part is in clearance fit with the small-diameter end of the step part.

7. The grinding wheel hanger of claim 1, wherein: the lower end of the suspension arm (30) is provided with a suspension arm through hole, and the positioning part of the chuck (10) is hinged in the suspension arm through hole.

8. The grinding wheel spreader of claim 1 or 7, wherein: the suspension arm (30) comprises a horizontal suspension plate (31) and a vertical suspension plate (32), the horizontal suspension plate (31) is vertically connected to the top end of the vertical suspension plate (32), and the lifting ring (35) is located on the horizontal suspension plate (31).

9. The grinding wheel hanger of claim 8, wherein: and reinforcing ribs (34) distributed along the vertical direction are arranged on the vertical hanging plate (32).

10. The grinding wheel hanger of claim 8, wherein: the bottom surface of horizontal hanger plate (31) is equipped with set-square (33), the top of set-square (33) with rings (35) are connected, the base of set-square (33) with vertical hanger plate (32) meet.