CN212977741U - A grinding device for coal machine counter weight casting blank - Google Patents
A grinding device for coal machine counter weight casting blank Download PDFInfo
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- CN212977741U CN212977741U CN202021848810.XU CN202021848810U CN212977741U CN 212977741 U CN212977741 U CN 212977741U CN 202021848810 U CN202021848810 U CN 202021848810U CN 212977741 U CN212977741 U CN 212977741U
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- locating piece
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- counter weight
- convex surface
- grinding device
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Abstract
The utility model discloses a grinding device for coal machine counter weight casting blank, it includes convex locating piece, the convex surface of locating piece is up the concave surface down, in the concave surface central point of locating piece puts vertical decurrent fixedly connected with pillar, the bottom of pillar and the bottom plate fixed connection that the level set up, it dodges logical groove to open in the convex surface central point of locating piece, the equipartition open on the convex surface of locating piece has a plurality of installation blind holes; the utility model has the advantages that: the utility model has simple structure, the arc-shaped positioning block is designed to expose all the corners of the counterweight blank, the placing position of the counterweight blank is not required to be adjusted for many times, all the corner burrs can be polished at one time, and the working efficiency is high; at locating piece design elastic reference column, can effectual adaptation counter weight blank's casting difference, the location is accurate more stable, designs screw rod tight device in top simultaneously and consolidates the blank, and factor of safety is high, is worth using widely on a large scale.
Description
The technical field is as follows:
the utility model relates to a coal machine counter weight technical field especially relates to a grinding device for coal machine counter weight casting blank.
Background art:
the coal mining machine counter weight is an indispensable component on a coal mining machine, in order to match the shape of the coal mining machine, the larger counter weight is semicircular, in the process of producing the coal mining machine counter weight, the basic shape of the counter weight needs to be cast at first, then the blank is subjected to edge knocking and polishing treatment, and finally the assembly surface and the assembly hole are processed and coated, when the blank is subjected to polishing treatment, because the size and the weight of the counter weight block are larger, the counter weight block is generally required to be hoisted onto a platform for polishing treatment, the placement angle of the counter weight blank needs to be continuously adjusted in the polishing process so as to finish polishing all corner positions, the hoisting times are more, the working efficiency is low, the position of the counter weight blank is not stable when the placement angle is adjusted, and great potential.
The utility model has the following contents:
an object of the utility model is to provide a grinding device for coal machine counter weight casting blank.
The content of the utility model is as follows: a polishing device for a counterweight casting blank of a coal machine comprises an arc-shaped positioning block, wherein the convex surface of the positioning block faces upwards and the concave surface faces downwards, a base column is fixedly connected with the center of the concave surface of the positioning block vertically downwards, the bottom end of the base column is fixedly connected with a horizontally arranged bottom plate, an avoidance through groove is arranged at the center position of the convex surface of the positioning block, a plurality of mounting blind holes are uniformly distributed on the convex surface of the positioning block, the axes of the mounting blind holes are intersected with the center line of the positioning block, a limiting ring is fixedly arranged at the orifice of the mounting blind hole, a sliding column is connected in the mounting blind hole in a sliding way, a top column is concentrically and fixedly connected on the sliding column, the top column is in sliding connection with an inner hole of the limiting ring, and a compression spring is further arranged in the mounting blind hole and is in contact with the sliding column.
Furthermore, the both sides position of locating piece is the outside fixedly connected with connecting rod of equal level of both sides position the terminal vertically ascending fixedly connected with connecting block of connecting rod the horizontally division has the screw thread through-hole on the connecting block the threaded through-hole internal thread connects has the tight screw rod of top, the terminal fixedly connected with hand wheel of the tight screw rod of top.
Furthermore, a plurality of friction bulges are fixedly arranged at the top end of the top column.
The utility model has the advantages that: the utility model has simple structure, the arc-shaped positioning block is designed to expose all the corners of the counterweight blank, the placing position of the counterweight blank is not required to be adjusted for many times, all the corner burrs can be polished at one time, and the working efficiency is high; at locating piece design elastic reference column, can effectual adaptation counter weight blank's casting difference, the location is accurate more stable, designs screw rod tight device in top simultaneously and consolidates the blank, and factor of safety is high, is worth using widely on a large scale.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
fig. 4 is a perspective view of the sliding column and the top column of the present invention;
FIG. 5 is a perspective view of the present invention in use;
in the drawing, a positioning block 1, a base column 2, a bottom plate 3, an avoiding through groove 4, a mounting blind hole 5, a limiting ring 6, a sliding column 7, a jacking column 8, a connecting rod 9, a connecting block 10, a jacking screw rod 11, a hand wheel 12, a friction bulge 13, a compression spring 14 and a counterweight blank 15.
The specific implementation mode is as follows:
as shown in fig. 1 to 5, a polishing device for a coal machine counterweight casting blank comprises a circular arc-shaped positioning block 1, wherein a convex surface of the positioning block 1 faces upwards and a concave surface thereof faces downwards, a base pillar 2 is fixedly connected to the central position of the concave surface of the positioning block 1 vertically and downwards, the bottom end of the base pillar 2 is fixedly connected with a horizontally arranged bottom plate 3, an avoidance through groove 4 is formed in the central position of the convex surface of the positioning block 1, a plurality of installation blind holes 5 are uniformly distributed on the convex surface of the positioning block 1, the axis of each installation blind hole 5 is intersected with the central line of the positioning block 1, a limiting ring 6 is fixedly installed at an orifice of each installation blind hole 5, a sliding column 7 is slidably connected in each installation blind hole 5, a top column 8 is fixedly connected to the sliding column 7 concentrically, and the top column 8 is slidably connected with an inner hole of the limiting ring 6, a compression spring 14 is further installed in the installation blind hole 5, and the compression spring 14 is in contact with the sliding column; the positioning block comprises a positioning block 1, a connecting rod 9, a connecting block 10, a threaded through hole, a jacking screw rod 11 and a hand wheel 12, wherein the connecting rod 9 is fixedly connected to the two sides of the positioning block 1 horizontally and outwards, the tail end of the connecting rod 9 is fixedly connected to the connecting block 10 vertically and upwards, the connecting block 10 is horizontally provided with the threaded through hole, the jacking screw rod 11 is screwed in the threaded through hole, and the tail end of the jacking screw rod 11 is fixedly connected with the hand wheel; and a plurality of friction bulges 13 are fixedly arranged at the top end of the top column 8.
The working principle is as follows: during operation, use wire rope to tie in the middle part of counter weight blank 15, then lift by crane and place it on locating piece 1, the concave surface of adaptation counter weight blank 15 that elastic fore-set 8 can be fine, friction arch 13 can increase frictional force simultaneously, prevent that counter weight blank 15 from sliding, also can rotating hand wheel 12 makes tight screw rod 11 top tight counter weight blank 15 further consolidate counter weight blank 15, dodge logical groove 4 department and can dodge hoist and mount wire rope, then use electronic file to carry out the edging can.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a grinding device for coal machine counter weight casting blank which characterized in that: it includes convex locating piece (1), the convex surface of locating piece (1) is concave surface down up, in the concave surface central point of locating piece (1) puts vertical decurrent fixedly connected with pillar (2), the bottom of pillar (2) and bottom plate (3) fixed connection that the level set up the convex surface central point of locating piece (1) puts and opens to dodge logical groove (4), the opening of equipartition has a plurality of installation blind hole (5) on the convex surface of locating piece (1), the axis of installation blind hole (5) and the central line of locating piece (1) are crossing, the drill way department fixed mounting of installation blind hole (5) has spacing ring (6) install blind hole (5) sliding connection has sliding column (7) in sliding connection has sliding column (7) concentric fixedly connected with fore-set (8) on sliding column (7), fore-set (8) with the hole sliding connection of spacing ring (6), and a compression spring (14) is further installed in the installation blind hole (5), and the compression spring (14) is in contact with the sliding column.
2. The grinding device for the coal machine counterweight casting blank of claim 1, wherein: the locating piece (1) is characterized in that two side positions of the locating piece (1) are respectively provided with a connecting rod (9) which is horizontally and outwards, the tail end of each connecting rod (9) is provided with a connecting block (10) which is vertically and upwards, the connecting block (10) is horizontally provided with a threaded through hole, a jacking screw rod (11) is screwed in the threaded through hole, and the tail end of each jacking screw rod (11) is fixedly connected with a hand wheel (12).
3. The grinding device for the coal machine counterweight casting blank of claim 1, wherein: and a plurality of friction bulges (13) are fixedly arranged at the top end of the top column (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848810.XU CN212977741U (en) | 2020-08-28 | 2020-08-28 | A grinding device for coal machine counter weight casting blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848810.XU CN212977741U (en) | 2020-08-28 | 2020-08-28 | A grinding device for coal machine counter weight casting blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212977741U true CN212977741U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021848810.XU Active CN212977741U (en) | 2020-08-28 | 2020-08-28 | A grinding device for coal machine counter weight casting blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212977741U (en) |
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2020
- 2020-08-28 CN CN202021848810.XU patent/CN212977741U/en active Active
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