CN218462036U - Special tool for dismantling internal bolt - Google Patents

Abstract

The utility model discloses a specialized tool is demolishd to inside bolt relates to mechanical dismouting technical field, and spanner and sleeve drop and have the technical problem of potential safety hazard when demolising inside bolt in the correlation technique has been solved. Including pole, hexagonal sleeve, handle, bearing and hoist and mount pole, hexagonal sleeve and pole one end fixed connection, handle and pole other end fixed connection, the bearing is installed in the telescopic one end department of keeping away from of pole, and the hoist and mount pole is connected with the inner circle of bearing, and the hole for hoist and mount has been seted up to the hoist and mount pole. The potential safety hazard when the internal bolt is dismantled is improved, and the device also has the advantages of convenience and quickness.

Description

Special tool for dismantling internal bolt

Technical Field

The utility model relates to a machinery dismouting technical field especially relates to a specialized tool is demolishd to inside bolt.

Background

When a large axial flow compressor for supplying air to a blast furnace is disassembled for maintenance, besides a circle of bolts outside a volute, four bolts inside the volute must be disassembled. When the compressor volute is detached, the lengthened sleeve is needed, the sleeve is hung by a crown block and is inserted into the compressor volute when the compressor volute is used, and then a nut at the tail end of the sleeve is screwed by a large wrench to be matched with the nut for operating a bolt in the compressor volute. When needing to fasten or unscrew, the operator stands on the compressor spiral case, must just can pull the spanner with the sledge hammer is supplementary, because do not fixed between spanner and the sleeve, can strike the spanner sometimes and fall, brings the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The application provides a specialized tool is demolishd to inside bolt has solved spanner and sleeve when demolising inside bolt among the correlation technique and has come off and have the technical problem of potential safety hazard.

The application provides a specialized tool is demolishd to inside bolt, including pole, hexagonal sleeve, handle, bearing and hoist and mount pole, hexagonal sleeve and pole one end fixed connection, handle and pole other end fixed connection, bearing are installed in the telescopic one end department of keeping away from the hexagonal of pole, and the hoist and mount pole is connected with the inner circle of bearing, and the hole for hoist and mount has been seted up to the hoist and mount pole.

Optionally, an inner bolt removal special tool is used for dismounting and mounting the inner bolt of the volute of the axial flow compressor.

Optionally, the bar is a straight bar arrangement.

Optionally, the bars are provided as solid rods.

Optionally, the handle is provided as a solid handle.

Optionally, the hexagonal sleeve, the bar and the handle are configured to be integrally formed.

Optionally, the bearing is provided with a gland which is mounted to the end of the bar by a gland bolt.

Optionally, the length direction of the bar is perpendicular to the length direction of the handle.

Optionally, the hexagonal socket, the bar and the handle are made of a steel material.

Optionally, the bearing is mounted at an end of the bar remote from the hexagonal sleeve, comprising: the outer ring of the bearing is connected with the handle.

The beneficial effect of this application is as follows: the application provides a special tool for removing an internal bolt, which comprises a bar, a hexagonal sleeve, a handle, a bearing and a hoisting rod, wherein two ends of the bar are respectively and fixedly connected with the hexagonal sleeve and the handle; when the tool is used, the tool is hoisted by utilizing the hoisting hole and inserted into a space to be disassembled, the hexagonal sleeve is manually aligned with the internal bolt to be disassembled and the positioning is completed, the hoisting lockset does not need to be disassembled during formal disassembly, the rapid disassembly is realized by pulling the handle, and the internal bolt can also be installed; when the tool is disassembled, the hoisting lockset does not need to be disassembled, and the lockset does not rotate along with the tool, so that the normal use is not influenced; the tool does not need to be matched with an adjustable spanner, can be used independently, can be matched with a sledge hammer to assist in pulling, and cannot fall; the method improves the potential safety hazard when the internal bolt is detached, and also has the advantages of convenience and quickness.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments will be briefly introduced, and it is obvious that the drawings in the description below are only some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of a special tool for removing an internal bolt provided in the present application.

The attached drawings are marked as follows: 100-bar, 200-hexagonal sleeve, 300-handle, 400-bearing, 500-hoisting rod and 510-hoisting hole.

Detailed Description

The embodiment of the application provides a specialized tool is demolishd to inside bolt, has solved spanner and the sleeve when demolising inside bolt among the correlation technique and has fallen and have the technical problem of potential safety hazard.

In order to solve the technical problems, the general idea of the embodiment of the present application is as follows:

the utility model provides a specialized tool is demolishd to inside bolt, includes pole, hexagonal sleeve, handle, bearing and hoist and mount pole, hexagonal sleeve and pole one end fixed connection, handle and pole other end fixed connection, and the bearing is installed in the telescopic one end department of keeping away from the hexagonal of pole, and the hoist and mount pole is connected with the inner circle of bearing, and the hole for hoist and mount has been seted up to the hoist and mount pole.

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

Referring to fig. 1, the embodiment provides a special tool for detaching an internal bolt, including a bar 100, a hexagonal sleeve 200, a handle 300, a bearing 400, and a hoisting rod 500, where the hexagonal sleeve 200 is fixedly connected to one end of the bar 100, the handle 300 is fixedly connected to the other end of the bar 100, the bearing 400 is installed at one end of the bar 100 far away from the hexagonal sleeve 200, the hoisting rod 500 is connected to an inner ring of the bearing 400, and the hoisting rod 500 is provided with a hoisting hole 510.

When using, utilize hole for hoist 510 to hoist this instrument and insert and treat that the dismantlement space is interior, manual with hexagonal socket 200 alignment treat the inside bolt of dismantling and fix a position the completion, need not to demolish hoist and mount tool to lock during formal dismantlement, realize quick dismantlement through pulling handle 300, also can carry out the installation of inside bolt. The hoisting lockset does not need to be dismantled during disassembly, and the lockset does not rotate along with the tool, so that the normal use is not influenced. The tool does not need to be matched with an adjustable wrench, can be used independently, can also be matched with a sledge hammer to assist in pulling, and cannot fall. More than, through adopting this instrument to carry out demolising of inside bolt, no longer need spanner and sleeve complex mode, the potential safety hazard that falls is strikeed to the spanner when having improved inside bolt and demolishs, still has convenient and fast's advantage.

Optionally, the special tool for dismantling the inner bolt of the embodiment can be used for disassembling and assembling the inner bolt of the volute of the axial flow compressor, meets the on-site maintenance requirement of the axial flow compressor, and is favorable for maintenance efficiency. In addition, the handle 300 can be knocked by the aid of a sledge hammer, and connecting bolts inside the volute of the compressor can be quickly loosened and tightened.

It can be understood that the special tool for removing the internal bolt provided by the embodiment is not only suitable for removing the internal bolt of the volute of the axial flow compressor, but also allows other tools with deep internal space to be used for removing the internal bolt.

Regarding the bearing 400 in this aspect, optionally, the bearing 400 is provided with a gland, which is mounted to the end of the bar 100 by a gland bolt, the gland forming with the bar 100 an installation space for the bearing 400. Referring to fig. 1, in the case of the handle 300 connected to one end of the bar 100, the pressing cover may be in a form of being connected to the handle 300.

Optionally, the bearing 400 is installed at an end of the bar 100 far from the hexagonal sleeve 200, referring to fig. 1, in a scheme that the end of the bar 100 is connected to the handle 300, it is also possible that an outer ring of the bearing 400 is connected to the handle 300.

It should be noted that, for the purpose of hoisting, the hoisting hole 510 of the hoisting rod 500 needs to be arranged outside the outline of the bar 100 and the handle 300.

Alternatively, referring to fig. 1, the length direction of the bar 100 is perpendicular to the length direction of the handle 300.

Optionally, referring to fig. 1, the bar 100 is a straight bar.

Optionally, the bar 100 is provided as a solid rod, improving the structural strength of the tool.

Optionally, the handle 300 is provided as a solid handle 300, which improves the structural strength of the tool.

In the above-mentioned scheme that the hexagonal sleeve 200, the bar 100, and the handle 300 are connected in sequence, the fixing connection may be performed by welding, screwing, or the like, and preferably, the fixing connection is performed by integral molding. Among them, the hexagonal socket 200, the bar 100, and the handle 300 may be made of a steel material.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. An internal bolt removal utility tool, characterized in that it comprises:

a bar;

the hexagonal sleeve is fixedly connected with one end of the bar;

the handle is fixedly connected with the other end of the bar;

the bearing is arranged at one end of the rod bar, which is far away from the hexagonal sleeve; and

and the hoisting rod is connected with the inner ring of the bearing and is provided with a hoisting hole.

2. The special tool for detaching an internal bolt as recited in claim 1, wherein the special tool for detaching an internal bolt of a scroll casing of an axial flow compressor is used.

3. The special tool for removing internal bolts of claim 1, wherein the bar is provided as a straight bar.

4. The special tool for removing internal bolts of claim 1, wherein the bar is provided as a solid bar.

5. The special tool for removing an internal bolt of claim 1, wherein the handle is provided as a solid handle.

6. The special tool for removing internal bolts of claim 1, wherein the hexagonal socket, the bar and the handle are configured to be integrally formed.

7. The special tool for internal bolt removal as defined in claim 1, wherein said bearing is provided with a gland which is mounted to the end of said bar by means of gland bolts.

8. The special tool for removing internal bolts of claim 1, wherein the lengthwise direction of the bar is perpendicular to the lengthwise direction of the handle.

9. The special tool for removing an internal bolt of claim 6, wherein said hexagonal socket, said bar and said handle are made of steel material.

10. The special tool for removing an internal bolt of claim 1, wherein the bearing is installed at one end of the rod far away from the hexagonal sleeve, and comprises: and the outer ring of the bearing is connected with the handle.

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