Eye milling bolt dismounting device

Abstract

The utility model provides a milling bolt dismounting device which comprises a lower support, an adjusting gasket, an upper support, a locking bolt and a jackscrew bolt, the adjusting gasket is arranged at the upper end of the lower support, the upper support is arranged at the upper end of the adjusting gasket, and the lower support, the adjusting gasket and the upper support are connected into a whole through the locking bolt. A jackscrew bolt is assembled in a threaded hole in the front end of the upper bracket; the space between the upper support and the lower support is matched with the height of a workpiece to be taken out by increasing or decreasing the adjusting gaskets, the workpiece to be taken out is positioned through the groove of the base, the downward spiral distance of the jackscrew bolt is adjusted, and the workpiece to be taken out is ejected out to be disassembled. The device is easy to operate, high in practicability and wide in application range, the hole milling bolt with the interference magnitude exceeding the difference value can be disassembled without damage, the working efficiency is remarkably improved, the loss of the positioning pin and the hole milling bolt is reduced, and the working cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the device in the field of equipment dismounting in shipbuilding industry, in particular to the device for dismounting eye milling bolt. BACKGROUND

[0002] After the installation and maintenance of the equipment bearing or babbitt bearing pad, the sealing cover of the bearing or babbitt bearing pad needs to be covered, at which time the positioning pin needs to be used to position the sealing cover to prevent the displacement of the sealing cover position, thereby affecting the installation accuracy of the sealing cover and the fitting accuracy of the eye milling bolt and the screw hole.

[0003] The tolerance fitting requirement of the eye milling bolt and the screw hole is very strict, if the upper limit tolerance and the lower limit tolerance of the eye milling bolt and the screw hole clearance exceed the data requirement, the eye milling bolt will be difficult to take out during the subsequent dismounting and maintenance of the sealing cover. Therefore, the workers usually dismount by using a hand hammer, but this method will cause local damage of the eye milling bolt, and the burr of the eye milling bolt will slide off the inner wall of the screw hole in severe cases, and a new eye milling bolt needs to be replaced. Meanwhile, the positioning pin is installed with great force, and the dismounting also needs to be knocked, which also easily causes local damage of the positioning pin.

[0004] The existing method not only delays the construction period, but also has low work efficiency, and the loss of the positioning pin and the eye milling bolt is large, so that the cost is increased. Therefore, a device for simply and non-damage dismounting the positioning pin and the eye milling bolt is needed. UTILITY MODEL CONTENTS

[0005] In order to be able to non-damage dismount the eye milling bolt with the interference amount exceeding the tolerance value, the utility model provides an eye milling bolt dismounting device. The device connects the lower support, the adjusting gasket and the upper support into one body through the locking bolt, adjusts the distance downwardly through the jackscrew bolt on the upper support, and ejects the eye milling bolt to realize dismounting, so that the technical problem of non-damage dismounting the eye milling bolt is solved.

[0006] The utility model adopts the following solutions to solve the technical problems:

[0007] The eye milling bolt dismounting device comprises a lower support, which is arranged on a horizontal plane and internally provided with a threaded groove for providing installation and support; an adjusting gasket, which is arranged at the upper end of the lower support and internally provided with a through hole; an upper support, which is arranged at the upper end of the adjusting gasket and internally provided with a through hole and a threaded hole; a locking bolt, which passes through the upper support and the adjusting gasket in sequence and fastens the two on the upper end of the lower support; and a jackscrew bolt, which is assembled in the threaded hole of the upper support and vertically extends downwardly.

[0008] The lower support disclosed by the embodiment comprises a base arranged on a horizontal plane, a Y-shaped structure design, a groove is formed at the front end for positioning the workpiece to be taken out; a lower cylinder is fixedly arranged at the rear end of the base, a threaded groove is formed in the inside for providing installation and support.

[0009] The upper support disclosed by the embodiment comprises an upper cylinder arranged at the upper end of the adjusting gasket, a through hole is formed in the inside; an end cover is fixedly arranged at the upper end of the upper cylinder at the rear end, a through hole and a threaded hole are formed in the inside, the threaded hole at the front end is arranged concentrically with the groove of the base, and the through hole at the rear end is arranged coaxially with the through hole of the upper cylinder.

[0010] The reinforcing ribs are arranged between the base and the lower cylinder and between the upper cylinder and the end cover, so that the strength of the lower support and the upper support in the vertical direction is improved.

[0011] Positive effects:

[0012] The adjusting gasket is arranged at the upper end of the lower support, the upper support is arranged at the upper end of the adjusting gasket, and the top screw bolt is assembled in the threaded hole at the front end of the upper support. By increasing or decreasing the adjusting gasket, the space between the upper support and the lower support is adapted to the height of the workpiece to be taken out, the workpiece to be taken out is positioned by the groove of the base, the downward spiral distance of the top screw bolt is adjusted, the workpiece to be taken out is ejected to realize disassembly. The device is simple in operation, high in practicability, wide in application range, can realize non-damage disassembly of the interference amount excess value of the eye milling bolt, significantly improves the work efficiency, reduces the loss amount of the positioning pin and the eye milling bolt, and reduces the working cost. It is suitable to be used as an eye milling bolt dismounting device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view of the embodiment of the application;

[0014] Figure 2 It is a top view of the embodiment of the application;

[0015] Figure 3 It is a side view of the embodiment of the application;

[0016] Figure 4 It is an A-A sectional view of the embodiment of the application;

[0017] Figure 5 It is a base structure schematic view of the embodiment of the application;

[0018] Figure 6 It is an end cover structure schematic view of the embodiment of the application.

[0019] In the drawings,

[0020] 10. Lower support, 11. Base, 12. Lower cylinder;

[0021] 20. adjusting washer;

[0022] 30. upper support, 31. upper barrel, 32. end cover;

[0023] 40. locking bolt;

[0024] 50. jackscrew bolt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0026] As shown in the figure, the eye milling bolt dismounting device comprises:

[0027] The lower support 10 is arranged on a horizontal plane and internally provided with a threaded groove for providing installation and support. The adjusting washer 20 is arranged on the upper end of the lower support 10 and internally provided with a through hole. The upper support 30 is arranged on the upper end of the adjusting washer 20 and internally provided with a through hole and a threaded hole. The locking bolt 40 passes through the upper support 30 and the adjusting washer 20 in sequence and fastens the two on the upper end of the lower support 10. The jackscrew bolt 50 is assembled in the threaded hole of the upper support 30 and vertically extends downward.

[0028] Specifically, the lower support 10 is internally provided with a threaded groove, the size of which is matched with the size of the locking bolt 40. The adjusting washer 20 is arranged on the upper end of the lower support 10, and the upper support 30 is arranged on the upper end of the adjusting washer 20. The space between the upper support 30 and the lower support 10 is controlled by increasing or decreasing the number of the adjusting washers 20. The adjusting washer 20 and the upper support 30 are both internally provided with a through hole, the size of which is matched with the size of the locking bolt 40. The locking bolt 40 passes through the through holes of the upper support 30 and the adjusting washer 20 in sequence and is assembled and connected with the threaded groove of the lower support 10, fastening the two on the upper end of the lower support 10. The jackscrew bolt 50 is assembled in the threaded hole of the upper support 30 and vertically extends downward, and the lower end head of the jackscrew bolt 50 is spherical, which is used for pushing against the workpiece to be taken out and avoiding damage to the workpiece.

[0029] The lower support 10 comprises a base 11 arranged on a horizontal plane and designed in a Y-shaped structure, a recess is formed at the front end for positioning the workpiece to be removed; a lower cylinder 12 is fixedly arranged at the rear end of the base 11, and a threaded groove is formed in the inside for providing installation and support.

[0030] Specifically, the base 11 is designed in a Y-shaped structure, and a recess is formed at the front end, the width of which is matched with the size of the workpiece to be removed, for positioning the workpiece to be removed; the lower end of the lower cylinder 12 is fixedly arranged at the rear end of the base 11 by welding, and a threaded groove matched with the size of the locking bolt 40 is formed in the inside for providing installation and support.

[0031] The upper support 30 comprises an upper cylinder 31 arranged at the upper end of the adjusting washer 20 and having a through hole formed in the inside; an end cover 32 is fixedly arranged at the upper end of the upper cylinder 31 at the rear end, and a through hole and a threaded hole are formed in the inside, the threaded hole at the front end is arranged concentrically with the recess of the base 11, and the through hole at the rear end is arranged coaxially with the through hole of the upper cylinder 31.

[0032] Specifically, the upper cylinder 31 is arranged at the upper end of the adjusting washer 20, and a through hole matched with the size of the locking bolt 40 is formed in the inside; the rear end of the end cover 32 is fixedly arranged at the upper end of the upper cylinder 31 by welding, and a through hole matched with the size of the locking bolt 40 and arranged coaxially with the through hole of the upper cylinder 31 is formed in the inside; the front end of the end cover 32 is provided with a threaded hole matched with the size of the top screw bolt 50 and arranged concentrically with the recess of the base 11.

[0033] Reinforcing ribs are arranged between the base 11 and the lower cylinder 12 and between the upper cylinder 31 and the end cover 32 for improving the strength of the lower support 10 and the upper support 30 in the vertical direction.

[0034] Specifically, two reinforcing ribs are arranged between the base 11 and the lower cylinder 12 for improving the strength of the lower support 10 in the vertical direction; two reinforcing ribs are also arranged between the upper cylinder 31 and the end cover 32 for improving the strength of the upper support 30 in the vertical direction.

[0035] Working process of the embodiment:

[0036] The use method of the eye milling bolt dismounting device comprises the following steps:

[0037] Step 1. Increase or decrease the number of the adjusting washers 20 so that the space between the lower support 10 and the upper support 30 is matched with the height of the workpiece to be removed;

[0038] Step 2. Position the workpiece to be removed through the groove of the base 11;

[0039] Step 3. Adjust the downward screw distance of the jackscrew bolt 50 so that the jackscrew bolt 50 supports the workpiece to be removed;

[0040] Step 4: Rotate the jackscrew 50 clockwise to remove the workpiece.

[0041] Features of this utility model:

[0042] The utility model provides an adjustment gasket 20 at the upper end of the lower bracket 10, an upper bracket 30 at the upper end of the adjustment gasket 20, and a top screw bolt 50 is assembled in the threaded hole at the front end of the upper bracket 30. In actual use, by adding or removing the adjustment gasket 20, the space between the upper bracket 30 and the lower bracket 10 is adapted to the height of the workpiece to be removed, the workpiece to be removed is positioned by the groove of the base 11, and the downward spiral distance of the top screw bolt 50 is adjusted to push the workpiece to be removed out for disassembly. Through this technical solution, it is possible to achieve non-destructive disassembly of milling eye bolts with excessive interference, and this device is simple to operate, highly practical, and has a wide range of applications. It can significantly improve work efficiency and reduce the loss of positioning pins and milling eye bolts, thereby reducing work costs.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Milling eye bolt removal device, characterized by: A lower bracket (10) is arranged on a horizontal surface and has a threaded groove formed therein for providing installation and support; An adjusting gasket (20) is arranged at the upper end of the lower bracket (10) and has a through hole therein; An upper bracket (30) is arranged at the upper end of the adjusting gasket (20) and has a through hole and a threaded hole formed therein; A locking bolt (40) passes through the upper bracket (30) and the adjusting gasket (20) in sequence, and fastens the two to the upper end of the lower bracket (10); The top screw bolt (50) is assembled in the threaded hole of the upper bracket (30) and extends vertically downward.

2. The eye bolt removal device according to claim 1, characterized in that: The lower bracket (10) includes: The base (11) is arranged on a horizontal surface and has a Y-shaped structure. A groove is provided at the front end for positioning the workpiece to be removed. The lower cylinder (12) is fixed to the rear end of the base (11) and has a threaded groove inside for providing installation and support.

3. The eye bolt removal device according to claim 2, characterized in that: The upper bracket (30) includes: An upper cylinder (31) is arranged at the upper end of the adjusting gasket (20) and has a through hole therein; The end cover (32) has a rear end fixedly mounted on the upper end of the upper cylinder (31), and has a through hole and a threaded hole formed therein. The threaded hole at the front end is concentrically arranged with the groove of the base (11), and the through hole at the rear end is coaxially arranged with the through hole of the upper cylinder (31).

4. The eye bolt removal device according to claim 3, characterized in that: Reinforcement ribs are provided between the base (11) and the lower cylinder (12), and between the upper cylinder (31) and the end cover (32), for improving the vertical strength of the lower bracket (10) and the upper bracket (30).

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