CN220145841U

CN220145841U - Drawing device

Info

Publication number: CN220145841U
Application number: CN202321546844.7U
Authority: CN
Inventors: 张晓军; 陈立国
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-08
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a puller, which comprises a pull rod, wherein a sliding block is sleeved outside the pull rod, a second protection baffle is integrally and fixedly arranged on the outer surface of the sliding block, a rubber pad is arranged above the sliding block, and a first protection baffle is arranged above the rubber pad; the installation threaded rod is fixedly installed below the pull rod, a second nut is installed outside the installation threaded rod, an installation block is installed below the second nut, a first nut is installed below the installation block, and clamping claws are installed on two sides of the installation block. The puller can conveniently and rapidly detach the sleeve and the bearing from the blind hole through the impact of the sliding block, ensures that the sleeve, the bearing and the workpiece are not damaged, reduces the labor intensity of the operation, improves the working efficiency, has good popularization value, and has the advantages of simple structure, easy operation, low manufacturing cost, low later maintenance cost and good applicability.

Description

Drawing device

Technical Field

The utility model relates to the technical field of disassembly tools, in particular to a puller.

Background

In the maintenance work of mechanical equipment, the condition that the blind hole sleeve and the bearing are required to be disassembled is frequently met, and the sleeve and the bearing are difficult to disassemble by using the existing standard tool because a certain interference exists between the sleeve and the bearing and the blind hole; when a repair person dismantles the sleeve and the bearing, a common method is to use gas welding, arc welding or prying by using a pry bar, which is time-consuming and labor-consuming, and the sleeve, the bearing and the workpiece are easy to damage.

The Chinese authorized bulletin number CN202122615340.3 provides a puller, which comprises a main body pull rod, a movable block arranged on the main body pull rod and a pulling sleeve arranged at one end or two ends of the main body pull rod; the drawing sleeve is of a hollow shell structure, and is provided with a dovetail groove type opening and a limit part formed by the dovetail groove type opening; the movable block is used for driving the main body pull rod and the drawing screw positioned in the limiting part to draw the structural member to be drawn. The utility model can improve the universality of the puller, and has high pulling efficiency, low cost and convenient operation.

The puller has a complex structure, so that the puller is complex to operate, high in manufacturing cost and high in later maintenance cost.

Disclosure of Invention

The utility model aims to provide a puller, which solves the problems of complex operation, high manufacturing cost and high later maintenance cost caused by the fact that the puller is provided with a complex structure in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the puller comprises a pull rod, wherein a sliding block is sleeved outside the pull rod, a second protection baffle is integrally and fixedly arranged on the outer surface of the sliding block, a rubber pad is arranged above the sliding block, and a first protection baffle is arranged above the rubber pad;

the installation threaded rod is fixedly installed below the pull rod, a second nut is installed outside the installation threaded rod, an installation block is installed below the second nut, a first nut is installed below the installation block, and clamping claws are installed on two sides of the installation block.

Preferably, the pull rod is fixedly connected with the first protective baffle in an integrated mode, and the rubber pad is of an annular structure.

Preferably, the pull rod penetrates through the inside of the sliding block, and the sliding block moves on the pull rod.

Preferably, the installation threaded rod penetrates through the installation block, the installation threaded rod is in threaded connection with the installation block, and the installation block is detachably connected with the installation threaded rod through the first nut and the second nut.

Preferably, the claw is further provided with:

the limiting movable hole is formed in the claw, a limiting connecting block is arranged in the limiting movable hole, a threaded hole is formed in the limiting connecting block, an adjusting threaded rod is arranged in the threaded hole, a hexagonal nut is fixedly arranged on the right side of the adjusting threaded rod, a mounting hole is formed in the right side of the limiting movable hole, and a connecting bearing is arranged in the mounting hole.

Preferably, the installation block is fixedly connected with the limit connecting block in an integrated mode, the limit connecting block is of a cuboid structure, and the shape and the size of the limit connecting block are identical with those of the inside of the limit movable hole.

Preferably, the adjusting threaded rod is in threaded connection with the limiting connection block through a threaded hole, and the adjusting threaded rod is in movable connection with the mounting hole through a connecting bearing.

Compared with the prior art, the utility model provides a puller, which has the following beneficial effects: the puller can conveniently and rapidly detach the sleeve and the bearing from the blind hole through the impact of the sliding block, ensures that the sleeve, the bearing and the workpiece are not damaged, reduces the labor intensity of the operation, improves the working efficiency, has good popularization value, has simple structure, is easy to operate, low in manufacturing cost and good in applicability, and can adapt to sleeves and bearings with different diameters by rotating and adjusting the distance between the threaded rod adjusting claw and the mounting block, thereby reducing the labor intensity, improving the efficiency and being good in adaptability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

fig. 3 is a schematic view of the internal structure of the pawl according to the present utility model.

In the figure: 1. a pull rod; 2. a slide block; 3. a first protective barrier; 4. a second protective baffle; 5. installing a threaded rod; 6. a claw; 7. a mounting hole; 8. a first nut; 9. a mounting block; 10. a second nut; 11. a rubber pad; 12. limiting the movable hole; 13. adjusting a threaded rod; 14. a threaded hole; 15. a hexagonal nut; 16. connecting a bearing; 17. and a limit connecting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a puller comprises a pull rod 1, wherein a sliding block 2 is sleeved outside the pull rod 1; the pull rod 1 penetrates through the slider 2, the slider 2 moves on the pull rod 1, the second protection baffle 4 is fixedly arranged on the outer surface of the slider 2 in an integrated mode, the rubber pad 11 is arranged above the slider 2, and the first protection baffle 3 is arranged above the rubber pad 11; the pull rod 1 is fixedly connected with the first protective baffle 3 in an integrated manner, and the rubber pad 11 is of an annular structure; the installation threaded rod 5 is fixedly installed below the pull rod 1, a second nut 10 is installed outside the installation threaded rod 5, an installation block 9 is installed below the second nut 10, and a first nut 8 is installed below the installation block 9; the installation threaded rod 5 penetrates through the installation block 9, the installation threaded rod 5 is in threaded connection with the installation block 9, the installation block 9 is detachably connected with the installation threaded rod 5 through a first nut 8 and a second nut 10, and clamping claws 6 are arranged on two sides of the installation block 9; the sleeve and the bearing can be conveniently and rapidly detached from the blind hole through the impact of the sliding block 2, the sleeve, the bearing and the workpiece are guaranteed to be free from damage, the labor intensity of the operation is reduced, the working efficiency is improved, the device has good popularization value, and the device is simple in structure, easy to operate, low in manufacturing cost, low in later maintenance cost and good in applicability.

Referring to fig. 1 and 3, a puller includes a limiting movable hole 12, which is opened in the interior of a claw 6, and a limiting connecting block 17 is installed in the interior of the limiting movable hole 12; the installation block 9 is fixedly connected with the limit connection block 17 in an integrated mode, the limit connection block 17 is of a cuboid structure, the shape and the size of the limit connection block 17 are matched with those of the inside of the limit movable hole 12, a threaded hole 14 is formed in the limit connection block 17, an adjusting threaded rod 13 is installed in the threaded hole 14, a hexagonal nut 15 is fixedly installed on the right side of the adjusting threaded rod 13, an installation hole 7 is formed in the right side of the limit movable hole 12, and a connecting bearing 16 is installed in the installation hole 7; the adjusting threaded rod 13 is in threaded connection with the limit connecting block 17 through a threaded hole 14, and the adjusting threaded rod 13 is movably connected with the mounting hole 7 through a connecting bearing 16; meanwhile, the space between the clamping jaw 6 and the mounting block 9 is adjusted by rotating the adjusting threaded rod 13, so that the device is suitable for sleeves and bearings with different diameters, labor intensity is reduced, efficiency is improved, and adaptability is good.

Working principle: when the puller is used, firstly, the mounting block 9 is mounted on the mounting threaded rod 5 through the first nut 8 and the second nut 10, then the hexagon nut 15 in the mounting hole 7 is screwed through a corresponding tool, the adjusting threaded rod 13 is driven to rotate in the threaded hole 14, the adjusting threaded rod 13 is moved in the threaded hole 14 through threads, the distance between the claw 6 and the mounting block 9 is adjusted, the sizes of different bearings and sleeve holes are met, the claw 6 is obliquely placed in the bottoms of the inner holes of the bearings and the sleeve holes through the inner holes of the bearings and the sleeve holes, the claw 6 is clamped at the bottoms of the inner holes of the bearings and the sleeve after being flattened, the sliding block 2 is controlled to move up and down on the pull rod 1 at the moment to collide, the collision force acts on the bearings and the sleeve through the claw 6, the pulling operation can be completed, the rubber pad 11 blocks the first protective baffle 3 and the second protective baffle 4 from directly colliding, and noise is reduced, and the working principle of the puller is adopted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A puller, comprising:

the novel protective device comprises a pull rod (1), wherein a sliding block (2) is sleeved outside the pull rod (1), a second protective baffle (4) is integrally and fixedly arranged on the outer surface of the sliding block (2), a rubber pad (11) is arranged above the sliding block (2), and a first protective baffle (3) is arranged above the rubber pad (11);

the installation threaded rod (5), its fixed mounting is in the below of pull rod (1), second nut (10) are installed to the outside of installation threaded rod (5), install installation piece (9) in the below of second nut (10), first nut (8) are installed to the below of installation piece (9), jack catch (6) are installed to the both sides of installation piece (9).

2. A puller according to claim 1, characterized in that the pull rod (1) is fixedly connected with the first protective baffle (3) in one piece, and that the rubber pad (11) has a ring-shaped structure.

3. A puller according to claim 1, characterized in that the pull rod (1) extends through the interior of the slider (2), and that the slider (2) is realized to move on the pull rod (1).

4. A puller according to claim 1, characterized in that the mounting threaded rod (5) extends through the interior of the mounting block (9), and that the mounting threaded rod (5) is in threaded connection with the mounting block (9), and that the mounting block (9) is in detachable connection with the mounting threaded rod (5) by means of a first nut (8) and a second nut (10).

5. A puller according to claim 1, characterized in that the jaws (6) are further provided with:

spacing movable hole (12), it is seted up the inside of jack catch (6), the internally mounted of spacing movable hole (12) has spacing connecting block (17), threaded hole (14) have been seted up to the inside of spacing connecting block (17), the internally mounted of threaded hole (14) has adjusting threaded rod (13), the right side fixed mounting of adjusting threaded rod (13) has hexagon nut (15), mounting hole (7) have been seted up on the right side of spacing movable hole (12), the internally mounted of mounting hole (7) has connecting bearing (16).

6. The puller according to claim 5, wherein the mounting block (9) is integrally and fixedly connected with the limit connecting block (17), the limit connecting block (17) is of a cuboid structure, and the shape and the size of the limit connecting block (17) are matched with those of the inside of the limit movable hole (12).

7. A puller according to claim 5, characterized in that the adjusting threaded rod (13) is screwed with the limit connection block (17) by means of a threaded hole (14), and that the adjusting threaded rod (13) is movably connected with the mounting hole (7) by means of a connection bearing (16).