CN218137761U

CN218137761U - Demolish frock

Info

Publication number: CN218137761U
Application number: CN202222684702.9U
Authority: CN
Inventors: 梁新文; 姜永; 岳峰; 刘伟; 杜振威; 雷鹏; 石旭阳; 杨冬梅; 赵杨; 马晓东; 胡稳强; 朱国强; 金政伟; 李登桐; 田兴兵; 侯立志; 焦智宇; 汪武恒; 王文龙
Original assignee: National Energy Group Ningxia Coal Industry Co Ltd
Current assignee: National Energy Group Ningxia Coal Industry Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2022-12-27
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a demolish frock for carry on spacingly to demolish the instrument, demolish the nut that the instrument is used for demolising the bolt, demolish the instrument including being used for the cover to establish the portion of demolising on the nut and with the handle of demolising the portion and being connected, demolish the frock and include: the fixing part is used for being fixedly connected with a fixing foundation, a sunken part is arranged on the fixing part, and the inner wall of the sunken part is matched with the circumferential side wall of the removing part, so that when the removing part is positioned in the sunken part, the circumferential side wall is attached to the inner wall, and the central line of the removing part is coincided with the central line of the nut; spacing portion is connected with the fixed part, and spacing portion has spacing hole to make the handle wear to establish in spacing downthehole, and make the handle movably set up in spacing downthehole. The utility model discloses a demolish frock has solved the inhomogeneous problem of atress when using hydraulic wrench to directly demolish nut and bolt among the prior art.

Description

Demolish frock

Technical Field

The utility model relates to a specialized tool technical field particularly, relates to a demolish frock.

Background

When a chemical device is overhauled, a high-temperature and high-pressure flange needs to be dismantled, and the existing dismantling method is to use a hydraulic wrench to directly dismantle and install the flange.

However, in the above dismounting and mounting method, the end faces of the nuts are stressed to generate linear contact or uneven stress, so that the phenomena of bolt-nut sticking, bolt-hole end face sticking of the flange, end face sticking of the nut and the flange, bending of the bolt, and the like are easily caused; after the adhered bolts are disposed, professionals are required to repair the end faces of the bolt holes of the flanges, then new bolts are replaced, a week of time is needed, the overhaul time and even production of the device are affected, and therefore production delay is caused, and economic loss is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a demolish frock to solve the inhomogeneous problem of atress when using hydraulic wrench directly to demolish nut and bolt among the prior art.

In order to realize the above-mentioned purpose, the utility model provides a demolish frock for carry on spacingly to the demolition tool, the demolition tool is used for demolising the nut on the bolt, and the demolition tool includes that the cover is established the portion of demolising on the nut and the handle of being connected with the portion of demolising, demolishs the frock and includes: the fixing part is used for being fixedly connected with the fixing foundation, a sunken part is arranged on the fixing part, and the inner wall of the sunken part is matched with the circumferential side wall of the dismounting part, so that when the dismounting part is positioned in the sunken part, the circumferential side wall is attached to the inner wall, and the central line of the dismounting part is superposed with the central line of the nut; spacing portion is connected with the fixed part, and spacing portion has spacing hole to make the handle wear to establish in spacing downthehole, and make the handle movably set up in spacing downthehole.

Furthermore, the fixing part is of an annular structure, and the annular structure is sleeved on the fixing foundation; the depressed part sets up on the annular lateral surface of annular structure, and the depressed part extends to annular structure's first terminal surface and second terminal surface along annular structure's axial direction.

Further, the limiting part is connected with the annular outer side face and extends towards the direction far away from the center of the annular structure.

Further, the inner wall is the arcwall face to with circumference lateral wall looks adaptation, so that inner wall and circumference lateral wall are laminated mutually.

Furthermore, the fixing part comprises a first fixing part and a second fixing part, and the first fixing part is provided with a first connecting end and a second connecting end which are sequentially arranged along the extending direction of the first fixing part; the second fixing part is provided with a third connecting end and a fourth connecting end which are arranged in sequence along the extension direction; the first connecting end is detachably connected with the third connecting end, and the second connecting end is detachably connected with the fourth connecting end to form an annular structure; wherein, the sunken part is arranged on the first fixing part or the second fixing part; the limiting part is arranged on the first fixing part or the second fixing part.

Furthermore, the concave part and the limiting part are both arranged on the first fixing part; or, the concave part and the limiting part are both arranged on the second fixing part.

Further, the first fixing part comprises a first main body part, a first connecting plate and a second connecting plate, the first connecting plate is connected with the first end of the first main body part, and the second connecting plate is connected with the second end of the first main body part; the second fixing part comprises a second main body part, a third connecting plate and a fourth connecting plate, the third connecting plate is connected with the first end of the second main body part, and the fourth connecting plate is connected with the second end of the second main body part; the first connecting plate is detachably connected with the third connecting plate; the second connecting plate is detachably connected with the fourth connecting plate.

Further, a first fastening hole is formed in the first connecting plate, a third fastening hole is formed in the third connecting plate, and the first connecting plate and the third connecting plate are connected through a first fastening piece inserted into the first fastening hole and the third fastening hole; and/or the second connecting plate is provided with a second fastening hole, the fourth connecting plate is provided with a fourth fastening hole, and the second connecting plate and the fourth connecting plate are connected through a second fastening piece inserted in the second fastening hole and the fourth fastening hole.

Furthermore, the fixing part is a circular ring, and the first fixing part and the second fixing part are both semicircular rings.

Furthermore, the limiting part and the fixing part are integrally formed.

The utility model discloses a demolish frock is used for spacing demolish the instrument to guarantee that the nut receives the vertical force, and do not have other direction power influences, guarantee the face contact, and then guarantee the atress evenly; when the nut is driven to rotate by the rotary removing part, the nut is only stressed vertically, and the stress is ensured to be uniform; and wear to establish in spacing downthehole through the handle with demolising the instrument for operating personnel rotate the handle in this preset space in spacing hole in order to rotate the portion of demolising, are convenient for restrict circumference lateral wall and inner wall and laminate mutually. Therefore, the dismounting tool solves the problem of uneven stress when a hydraulic wrench is used for directly dismounting nuts and bolts in the prior art.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of a second fixing part according to an embodiment of the demolition tool of the present invention;

figure 2 shows a schematic view of a first fixing part according to an embodiment of the demolition tool of the present invention;

figure 3 shows a left side view of a second fixing part according to an embodiment of the demolition tool of the invention;

figure 4 shows a perspective view of a second fixing part according to an embodiment of the demolition tool of the invention;

fig. 5 shows a right side view of the second fixing part according to an embodiment of the demolition tooling of the present invention.

Wherein the figures include the following reference numerals:

10. a fixed part; 11. a recessed portion; 111. an inner wall; 12. an annular outer side surface; 13. a first end face; 14. a second end face; 15. a first fixed part; 151. a first main body portion; 152. a first connecting plate; 153. a second connecting plate; 154. a first fastening hole; 155. a second fastening hole; 16. a second fixed part; 161. a second main body portion; 162. a third connecting plate; 163. a fourth connecting plate; 164. a third fastening hole; 165. a fourth fastening hole;

20. a limiting part; 21. and a limiting hole.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model provides a demolish frock, please refer to fig. 1 to 5 for carry on spacingly to demolish the instrument, demolish the nut that the instrument is used for demolising the bolt, demolish the instrument including being used for the cover to establish the portion of demolising on the nut and with the handle of demolising the portion and being connected, demolish the frock and include: the fixing part 10 is used for being fixedly connected with a fixing foundation, a concave part 11 is arranged on the fixing part 10, the inner wall 111 of the concave part 11 is matched with the circumferential side wall of the dismantling part, so that when the dismantling part is positioned in the concave part 11, the circumferential side wall is attached to the inner wall 111, and the central line of the dismantling part is coincided with the central line of the nut; the limiting portion 20 is connected with the fixing portion 10, and the limiting portion 20 is provided with a limiting hole 21 so that the handle penetrates through the limiting hole 21 and can be movably arranged in the limiting hole 21.

The utility model discloses a demolish frock is used for spacing demolish the instrument, so that the central line of demolishing portion coincides with the central line of nut, in order to guarantee that the nut receives the vertical force, and do not have other direction power influences, guarantee the face contact, and then guarantee the atress is even; during specific implementation, the fixing part 10 is fixed on a fixing foundation, the dismantling part is limited in the concave part 11 at the moment, the circumferential side wall is attached to the inner wall 111, and further, when the dismantling part is rotated to drive the nut to rotate, the nut is only stressed vertically, and the stress is ensured to be uniform; and wear to establish in spacing hole 21 through the handle with demolising the instrument for operating personnel rotate the handle in this preset space of spacing hole 21 in order to rotate the portion of demolising, are convenient for restrict circumference lateral wall and inner wall 111 and laminate mutually. Therefore, the dismounting tool solves the problem of uneven stress when a hydraulic wrench is used for directly dismounting nuts and bolts in the prior art.

It should be noted that the vertical force is perpendicular to the axis of the nut.

In this embodiment, the fixing portion 10 is an annular structure, and the annular structure is sleeved on the fixing base; a recess 11 is provided on an annular outer side surface 12 of the ring structure, the recess 11 extending in the axial direction of the ring structure to a first end surface 13 and a second end surface 14 of the ring structure. Such an arrangement facilitates the connection of the fixing portion with the fixed foundation.

In the present embodiment, the stopper portion 20 is connected to the annular outer side surface 12 and extends in a direction away from the center of the annular structure.

Specifically, the inner wall 111 is an arc-shaped surface to be fitted with the circumferential side wall, so that the inner wall 111 is attached to the circumferential side wall.

Specifically, the fixing portion 10 includes a first fixing portion 15 and a second fixing portion 16, the first fixing portion 15 having a first connection end and a second connection end arranged in sequence along an extending direction thereof; the second fixing portion 16 has a third connection end and a fourth connection end arranged in order along the extending direction thereof; the first connecting end is detachably connected with the third connecting end, and the second connecting end is detachably connected with the fourth connecting end to form an annular structure; wherein, the concave part 11 is arranged on the first fixing part 15 or the second fixing part 16; the stopper 20 is provided on the first fixing portion 15 or the second fixing portion 16.

Alternatively, both the recessed portion 11 and the stopper portion 20 are provided on the first fixing portion 15; alternatively, both the recessed portion 11 and the stopper portion 20 are provided on the second fixing portion 16.

In the present embodiment, the first fixing portion 15 includes a first body portion 151, a first connection plate 152 and a second connection plate 153, the first connection plate 152 is connected to a first end of the first body portion 151, and the second connection plate 153 is connected to a second end of the first body portion 151; the second fixing portion 16 includes a second body portion 161, a third connection plate 162, and a fourth connection plate 163, the third connection plate 162 being connected to a first end of the second body portion 161, and the fourth connection plate 163 being connected to a second end of the second body portion 161; the first connecting plate 152 is detachably connected with the third connecting plate 162; the second connection plate 153 is detachably connected to the fourth connection plate 163. Such an arrangement improves the applicability of the disassembly tool.

Specifically, the first connection plate 152 is provided with first fastening holes 154, the third connection plate 162 is provided with third fastening holes 164, and the first connection plate 152 and the third connection plate 162 are connected by first fasteners inserted in the first fastening holes 154 and the third fastening holes 164; and/or, the second fastening hole 155 is provided in the second connecting plate 153, the fourth fastening hole 165 is provided in the fourth connecting plate 163, and the second connecting plate 153 and the fourth connecting plate 163 are connected by a second fastening member inserted in the second fastening hole 155 and the fourth fastening hole 165. Such an arrangement facilitates the attachment and detachment of the first fixing portion 15 and the second fixing portion 16, and the connection is reliable after the attachment.

Optionally, the first and second fasteners are both bolt and nut assemblies.

Specifically, the fixing portion 10 is a circular ring, and the first fixing portion 15 and the second fixing portion 16 are both semicircular rings.

Specifically, the stopper portion 20 is integrally formed with the fixing portion 10. The arrangement is convenient for molding and reduces the production cost.

Specifically, the material of the stopper 20 is the same as that of the fixing portion 10, and is iron, copper, or steel.

Optionally, the limiting hole 21 is a rectangular hole.

In other embodiments, a weight is disposed on the first fixing portion 15 or the second fixing portion 16 to prevent the nut from moving when the nut is rotated.

Specifically, the dismounting tool is used for dismounting a flange connected with a main steam pipeline and a steam turbine, and in specific implementation, the fixing part 10 and the pipeline are fixed together, namely the pipeline is a fixing base.

In particular, the demolition tool is a hydraulic wrench, the demolition portion comprising a socket head of the hydraulic wrench.

During specific implementation, after the fixing part 10 is fixed on a pipeline close to a flange, a sleeve head corresponding to a flange bolt is installed, namely the sleeve head is sleeved on a nut, the sleeve head is confirmed to be perpendicular to a circular ring (namely the fixing part 10) (only the circumferential side wall is ensured to be attached to the inner wall 111), so that the nut in the sleeve head is ensured to be only stressed by a vertical force and not to have component forces in other directions when being rotated and disassembled, the stress on the nut and the flange end face is uniform and is in a surface contact state, and the damage to the end face of the nut and the end face of a flange bolt hole is reduced to the minimum when the nut is disassembled.

The technical problem that this application was solved: the nut is stressed unevenly, the hydraulic wrench is easy to use improperly, so that the sleeve head generates component forces in other directions, and surface contact cannot be guaranteed during dismantling; when the hydraulic wrench is used, the vertical force for removing each bolt of the flange cannot be ensured; when the bolt is removed, the phenomena of sticking, adhesion, bolt bending and the like are easy to occur.

The method reduces the phenomena of sticking, adhesion and bolt bending when the high-temperature and high-pressure bolt is removed, and is reduced by 80% compared with the original method; the maintenance time of the equipment is saved, and the production continuity is ensured.

The utility model discloses a key point is the component of eliminating other directions, and the perpendicular component of make full use of makes the nut terminal surface not take place to glue even, phenomenon such as bolt bending, and protection bolt, nut and flange have effectively reduced the damage. Particularly, the flange bolts which need to be removed after being in a high-pressure and high-temperature state are easy to be stuck and the like, and after being cooled, the tool can be used for reducing the damage to the minimum degree.

During concrete implementation, the hydraulic wrench and the contact of dismantling the frock will laminate, and the zero clearance, handheld partial strength will be guaranteed.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the utility model discloses a demolition tool is used for spacing demolition tool to guarantee that the nut receives the vertical force, and does not have the influence of other direction forces, guarantees the face contact, and then guarantees that the atress is even; during specific implementation, the fixing part 10 is fixed on a fixing foundation, the dismantling part is limited in the concave part 11 at the moment, the circumferential side wall is attached to the inner wall 111, and further, when the dismantling part is rotated to drive the nut to rotate, the nut is only stressed vertically, and the stress is ensured to be uniform; and wear to establish in spacing hole 21 through the handle with demolising the instrument for operating personnel rotate the handle in this preset space of spacing hole 21 in order to rotate the portion of demolising, are convenient for restrict circumference lateral wall and inner wall 111 and laminate mutually. Therefore, the dismounting tool solves the problem of uneven stress when a hydraulic wrench is used for directly dismounting nuts and bolts in the prior art.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that, for example, embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a demolish frock, its characterized in that for carry on spacingly to demolish the instrument, demolish the nut that the instrument is used for demolising on the bolt, demolish the instrument including being used for the cover to establish demolish portion on the nut and with the handle that demolishs the portion and connect, demolish the frock and include:

the nut dismounting device comprises a fixing part (10) and a dismounting part, wherein the fixing part (10) is fixedly connected with a fixing base, a sunken part (11) is arranged on the fixing part (10), and an inner wall (111) of the sunken part (11) is matched with a circumferential side wall of the dismounting part so that the circumferential side wall is attached to the inner wall (111) when the dismounting part is located in the sunken part (11), and the central line of the dismounting part is coincided with the central line of the nut;

spacing portion (20), with fixed part (10) are connected, spacing portion (20) have spacing hole (21), so that the handle wears to establish in spacing hole (21), and make the handle be in movably setting up in spacing hole (21).

2. The demolition tool according to claim 1, characterized in that the fixing part (10) is a ring-shaped structure, which is sleeved on the fixing foundation;

depressed part (11) set up on annular structure's annular lateral surface (12), depressed part (11) are followed annular structure's axial direction extends to annular structure's first terminal surface (13) and second terminal surface (14).

3. A demolition tool according to claim 2,

the limiting part (20) is connected with the annular outer side surface (12) and extends towards the direction far away from the center of the annular structure.

4. The demolition tool according to claim 1, characterized in that the inner wall (111) is an arc-shaped surface to fit the circumferential side wall, so that the inner wall (111) fits the circumferential side wall.

5. The demolition tool according to claim 2, characterized in that the fixing part (10) comprises a first fixing part (15) and a second fixing part (16), the first fixing part (15) having a first connection end and a second connection end arranged in sequence along the extension direction thereof; the second fixing part (16) is provided with a third connecting end and a fourth connecting end which are sequentially arranged along the extension direction; the first connecting end is detachably connected with the third connecting end, and the second connecting end is detachably connected with the fourth connecting end to form the annular structure;

wherein the recess (11) is provided on the first fixing portion (15) or the second fixing portion (16); the limiting part (20) is arranged on the first fixing part (15) or the second fixing part (16).

6. A demolition tool according to claim 5, characterized in that the recess (11) and the limit part (20) are both arranged on the first fixing part (15); or the concave part (11) and the limiting part (20) are arranged on the second fixing part (16).

7. The demolition tool according to claim 5, characterized in that the first fixing portion (15) comprises a first body portion (151), a first connecting plate (152) and a second connecting plate (153), the first connecting plate (152) being connected with a first end of the first body portion (151), the second connecting plate (153) being connected with a second end of the first body portion (151); the second fixing portion (16) comprises a second main body portion (161), a third connecting plate (162) and a fourth connecting plate (163), the third connecting plate (162) is connected with a first end of the second main body portion (161), and the fourth connecting plate (163) is connected with a second end of the second main body portion (161);

the first connecting plate (152) is detachably connected with the third connecting plate (162); the second connecting plate (153) is detachably connected with the fourth connecting plate (163).

8. A demolition tool according to claim 7,

the first connecting plate (152) is provided with a first fastening hole (154), the third connecting plate (162) is provided with a third fastening hole (164), and the first connecting plate (152) and the third connecting plate (162) are connected through a first fastening piece inserted in the first fastening hole (154) and the third fastening hole (164); and/or the presence of a gas in the atmosphere,

the second connecting plate (153) is provided with a second fastening hole (155), the fourth connecting plate (163) is provided with a fourth fastening hole (165), and the second connecting plate (153) and the fourth connecting plate (163) are connected through a second fastening piece inserted in the second fastening hole (155) and the fourth fastening hole (165).

9. Demolition tooling according to claim 5, characterised in that the fixing portion (10) is a circular ring, the first fixing portion (15) and the second fixing portion (16) being both semicircular rings.

10. The demolition tool according to any one of claims 1 to 9, characterized in that the limiting part (20) is integrally formed with the fixing part (10).