Super bolt disassembling and assembling tool

Abstract

The utility model discloses a super bolt disassembling and assembling tool which comprises a connecting disc, a base plate and a nut, the base plate is welded to the rear end of the connecting disc, a bolt is welded to the center of the front end of the connecting disc, the nut is screwed on the bolt, and the bottom end face of the nut is welded to the connecting disc. The six bolt holes distributed at equal angles are formed in the base plate, the bolt holes correspond to bolts on the super nut and are installed, the hydraulic wrench is connected with the nut on the connecting plate, the super nut can be rapidly disassembled, the working efficiency is improved, the labor intensity of workers is relieved, and the working efficiency is improved. The bolt is welded to the center of the front end of the connecting disc, the nut is screwed on the bolt and welded, connection of a hydraulic wrench is facilitated, once the edge of the nut is damaged, the nut can be directly cut, then a new nut is replaced, the situation that the center position deviates when the nut is welded is avoided, and the disassembling stability of the super nut is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt dismounting technical field, specifically is a super bolt dismounting frock. BACKGROUND

[0002] The blast furnace blower is a kind of power machinery that can gather part of atmosphere, and form blast furnace blast with certain pressure and flow by pressurizing to improve air pressure, then after adjusting wind pressure and air volume according to the need of blast furnace condition, it is delivered to blast furnace.From the viewpoint of energy, blast furnace blower is a kind of machinery that converts the energy of prime mover into gas energy.

[0003] At present, in the overhaul process of large blast furnace blower, the wind cylinder joint surface bolt needs to be dismounted, since the high-pressure side bolt fastening connection adopts super bolt, the unit is operated under high temperature for a long time, so that the super bolt is very difficult to dismount, and the conventional method cannot dismount, and the time consumption is long, the labor intensity is big, and the maintenance period is affected, therefore, the utility model provides a super bolt dismounting frock to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a super bolt dismounting frock to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a super bolt dismounting frock, including connecting disc, bottom disc and nut, the bottom disc is welded at the rear end of connecting disc, the bolt is welded at the center position of the front end of connecting disc, and the nut is screwed on the bolt, and the bottom end surface of nut is welded with connecting disc;

[0006] The top taper hole with concave structure is arranged at the center position of the rear end surface of bottom disc, the bolt hole is arranged outside the rear end surface of bottom disc and top taper hole, and six bolt holes are distributed at equal angles.

[0007] As one preferred embodiment of the utility model, the outer diameter of connecting disc is equal to that of super nut.

[0008] As one preferred embodiment of the utility model, the six bolt holes provided on the rear end surface of bottom disc are arranged corresponding to the bolts on super nut and have equal hole distance.

[0009] As one preferred embodiment of the utility model, the specification of nut is M55mm.

[0010] As one preferred embodiment of the utility model, the bolt hole is internal hexagonal structure, and the hole diameter of bolt hole is equal to the outer diameter of bolt on super nut.

[0011] As one preferred of the utility model, the bolt hole inner end is a plugging structure, and the bolt hole diameter is smaller than the barrier sheet on the bolt on the super nut.

[0012] As one preferred of the utility model, the connecting disc outer diameter is larger than the bottom disc outer diameter.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. In the utility model, six bolt holes with equal angles are arranged on the bottom disc, the bolt holes are corresponding to the bolts on the super nut and are installed, the super nut can be quickly disassembled through the connection of the hydraulic wrench and the nut on the connecting disc, the working efficiency is improved, and the labor intensity of the workers is reduced.

[0015] 2. In the utility model, a bolt is welded at the center position of the front end of the connecting disc, the nut is screwed on the bolt and is welded, the hydraulic wrench is convenient to connect, once the nut is damaged, the nut can be directly cut, then a new nut is replaced, the deviation of the center position during the welding of the nut is avoided, and the stability of the disassembly of the super nut is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the connecting disc and nut exploded structure schematic view of the utility model;

[0018] Figure 3 It is the connecting disc and bottom disc connection rear end structure schematic view of the utility model;

[0019] Figure 4 It is the bottom disc and connecting disc connection structure rear view of the utility model.

[0020] In the drawing: 1, connecting disc; 2, bottom disc; 3, nut; 4, bolt; 5, bolt hole; 6, top taper hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0022] In the description of the utility model, it needs to be understood that the directions or position relations of the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, in the description of the utility model, in addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to be understood that the terms "setting", "mounting", "connecting", "connecting" should be understood broadly unless otherwise specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The meaning of "multiple" is two or more than two, unless otherwise specifically limited, all belong to the protection scope of the utility model.

[0024] Embodiment: as Figures 1-4 The utility model provides a technical scheme: including connecting disc 1, bottom disc 2 and nut 3, bottom disc 2 is welded at the rear end of connecting disc 1, bolt 4 is welded at the front end center position of connecting disc 1, and nut 3 is screwed on bolt 4, and the bottom end surface of nut 3 is welded with connecting disc 1;

[0025] The top taper hole 6 of recessed structure is set up at the center position of the rear end surface of bottom disc 2, and the bolt hole 5 is set up at the outside of the rear end surface of bottom disc 2 and top taper hole 6, and the bolt hole 5 is distributed at six equal angles.

[0026] The outer diameter of connecting disc 1 is equal to that of super nut.

[0027] The six bolt holes 5 provided at the rear end surface of bottom disc 2 are correspondingly arranged with the bolts on the super nut and the hole distance is equal.

[0028] The specification of nut 3 is M55mm.

[0029] The bolt hole 5 is an internal hexagonal structure, and the hole diameter of bolt hole 5 is equal to the outer diameter of the bolt on the super nut.

[0030] The inner end of bolt hole 5 is a plugging structure, and the hole diameter of bolt hole 5 is smaller than the blocking piece on the bolt of super nut.

[0031] The outer diameter of the connecting disc 1 is larger than the outer diameter of the bottom disc 2.

[0032] In use, the bolt holes 5 on the bottom disc 2 are corresponded to the bolts on the super nut and installed, then the hydraulic wrench is connected with the nut 3 on the connecting disc 1, the super nut is disassembled by working of the hydraulic wrench, once the nut 3 appears edge damage, the nut 3 can be directly cut, then the new nut 3 is replaced, the deviation of the center position in the nut welding is avoided.

[0033] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, therefore all the changes falling in the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A super bolt dismounting tool, comprising a connecting disc (1), a base disc (2) and a nut (3), characterized in that: the connecting disc (1) is welded with the base disc (2) at the rear end, a bolt (4) is welded at the center of the front end of the connecting disc (1), the nut (3) is screwed on the bolt (4), and the bottom end surface of the nut (3) is welded with the connecting disc (1); a top taper hole (6) with a concave structure is formed at the center of the rear end surface of the base disc (2), bolt holes (5) are formed at the rear end surface of the base disc (2) outside the top taper hole (6), and the bolt holes (5) are equally angularly distributed in six.

2. The super bolt dismounting tool according to claim 1, characterized in that: The outer diameter of the connecting disc (1) is equal to that of the super nut.

3. The super bolt dismounting tool according to claim 1, characterized in that: The six bolt holes (5) provided at the rear end surface of the base disc (2) are correspondingly provided with the bolts on the super nut and have equal hole distances.

4. The super bolt dismounting tool according to claim 1, characterized in that: The specification of the nut (3) is M55mm.

5. The super bolt dismounting tool according to claim 1, characterized in that: The bolt holes (5) are hexagonal structures, and the hole diameter of the bolt holes (5) is equal to the outer diameter of the bolts on the super nut.

6. The super bolt dismounting tool according to claim 1, characterized in that: The inner end of the bolt hole (5) is a plugging structure, and the hole diameter of the bolt hole (5) is smaller than the blocking piece on the bolt of the super nut.

7. The super bolt dismounting tool according to claim 1, characterized in that: The outer diameter of the connecting disc (1) is greater than that of the base disc (2).

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