CN220145810U

CN220145810U - Torque wrench for conveniently fastening graphite electrode

Info

Publication number: CN220145810U
Application number: CN202321414552.8U
Authority: CN
Inventors: 包帆; 孙广; 夏万武; 陈聪; 蔡芦平
Original assignee: Jiangsu Yonggang Group Co Ltd
Current assignee: Jiangsu Yonggang Group Co Ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-12-08
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a portable torque wrench for fastening a graphite electrode, which comprises a handle, an anti-slip piece and a chain, wherein the anti-slip piece is arranged on the handle, a hook is arranged on the anti-slip piece, one end of the chain is arranged on the anti-slip piece, and the other end of the chain is connected with the hook. According to the torque wrench, the graphite electrode can be well fastened through the combined structure of the anti-slip piece, the hook and the chain, and the graphite electrode can be driven to rotate by pushing the handle. The torque wrench has the advantages of simple structure, light equipment, and capability of completing operation by a single person, remarkably shortening the time for connecting the graphite electrode, reducing the labor intensity of workers and the injury risk coefficient, and improving the operation efficiency of connecting the electrode.

Description

Torque wrench for conveniently fastening graphite electrode

Technical Field

The utility model relates to the technical field of graphite electrode production, in particular to a torque wrench for conveniently fastening a graphite electrode.

Background

The graphite electrode has the advantages of good conductivity, thermal stability, chemical stability, higher corrosion resistance and the like, and is widely applied to electric furnace steelmaking. When the graphite electrode is used in a steel mill, a plurality of graphite electrodes are required to be connected into a string through connectors, a special tool, namely a torque wrench, is required for graphite electrode connection, the torque wrench used in the prior art is generally heavy and requires two and three persons to operate together, the operation process is troublesome, the time consumption of electrode connection is relatively long, the risk of falling off and smashing injury exists, the condition of poor operation efficiency exists, the production efficiency of the steel mill is affected, and therefore, the labor and financial resources are wasted.

Disclosure of Invention

The utility model aims to solve at least one of the technical problems in the related art to a certain extent, and can realize the working efficiency of graphite electrode linkage on the premise of not influencing the quality of the graphite electrode linkage.

For this purpose, the embodiment of the utility model provides a torque wrench for conveniently fastening a graphite electrode.

A portable torque wrench for tightening a graphite electrode according to an embodiment of the present utility model includes: a handle; the anti-skid piece is arranged on the handle and is provided with a hook; and one end of the chain is arranged on the anti-skid piece, and the other end of the chain is connected to the hook.

According to the portable torque wrench for fastening the graphite electrode, disclosed by the embodiment of the utility model, the graphite electrode can be well fastened through the combined structure of the anti-slip piece, the hook and the chain. The specific fastening mode is as follows: the anti-slip piece is abutted against the peripheral surface of the graphite electrode, the chain is wound around the graphite electrode for at least one circle, and finally the tail end of the chain is fixed on the hook. And the graphite electrode can be driven to rotate by pushing the handle. The torque wrench has the advantages of simple structure, light equipment, and capability of completing operation by a single person, remarkably shortening the time for connecting the graphite electrode, reducing the labor intensity of workers and the injury risk coefficient, and improving the operation efficiency of connecting the electrode.

In some embodiments, the anti-slip member is adapted to abut on the graphite electrode, and the abutment surface of the anti-slip member is an arc surface.

In some embodiments, the anti-skid member has anti-skid grains provided on an abutment surface thereof.

In some embodiments, the anti-slip member is provided with a mounting hole, the mounting hole penetrates through the anti-slip member along the thickness direction of the anti-slip member, the handle penetrates through the mounting hole, and one end of the handle can be abutted against the graphite electrode.

In some embodiments, the one end of the handle is a rounded end.

In some embodiments, the handle has a grip disposed on the one end.

In some embodiments, the chain comprises a plurality of connecting segments and a plurality of links, the plurality of connecting segments and the plurality of links are alternately arranged along the length direction of the chain, and the links can be sleeved on the hooks.

In some embodiments, the connection section may be wrapped around the hanger.

In some embodiments, the chain has cleats disposed on a surface thereof.

In some embodiments, the portable torque wrench for tightening graphite electrodes further comprises an anti-slip sleeve that is mountable over the chain.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a portable torque wrench for tightening graphite electrodes according to an embodiment of the present utility model.

Reference numerals:

the torque wrench 100, the handle 10, the anti-skid member 20, the hook 21, the arc surface 22, the anti-skid pattern 23, the chain 30, the connecting section 31 and the chain ring 32.

Graphite electrode 200.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are 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.

It will be appreciated that the major problems with existing torque wrenches include heavy equipment, the need for 2-3 people to co-operate and the risk of falling out and bruising, as well as poor operating efficiency.

The existing torque wrench is easy to cause the following problems in the use process:

1. the torque wrench is too heavy, and a plurality of people are needed to match in the operation process.

2. The labor intensity of operators is high, and the operation efficiency is low.

3. Safety accidents caused by falling of the torque wrench.

To this end, an embodiment of the present utility model proposes a torque wrench 100 for conveniently fastening a graphite electrode 200.

As shown in fig. 1, a torque wrench 100 for conveniently fastening a graphite electrode 200 according to an embodiment of the present utility model includes a handle 10, an anti-slip member 20, and a chain 30.

The anti-slip member 20 is provided on the handle 10, and a hook 21 is provided on the anti-slip member 20. One end of the chain 30 is provided on the anti-slip member 20, and the other end of the chain 30 is connected to the hanger 21.

Specifically, as shown in fig. 1, the handle 10 has a substantially cylindrical structure, and the anti-slip member 20 is disposed at one end of the handle 10, wherein the anti-slip member 20 is fixedly connected with the handle 10. It will be appreciated that in the present utility model, various means of welding, threading, snap-in connection, etc. may be used between the cleat 20 and the handle 10.

Further, an anti-slip part can be arranged on the handle 10, so that the handle is convenient for an operator to hold, and the safety of the torque wrench 100 is effectively improved.

According to the torque wrench 100 for conveniently fastening the graphite electrode 200 in the embodiment of the utility model, the graphite electrode 200 can be well fastened through the combined structure of the anti-slip piece 20, the hook 21 and the chain 30. The specific fastening mode is as follows: the anti-slip member 20 is first abutted against the peripheral surface of the graphite electrode 200, then the chain 30 is wound around the graphite electrode 200 at least one turn, and finally the tail end of the chain 30 is fixed on the hook 21. And the graphite electrode 200 can be driven to rotate by pushing the handle 10. The torque wrench 100 has the advantages of simple structure and portable equipment, can finish operation by a single person, remarkably shortens the time for connecting the graphite electrode 200, reduces the labor intensity of workers and the injury risk coefficient, and improves the operation efficiency for connecting the electrodes.

In some embodiments, as shown in fig. 1, the anti-slip member 20 is adapted to abut on the graphite electrode 200, and the abutment surface of the anti-slip member 20 is an arc surface 22.

Specifically, as shown in fig. 1, the torque wrench 100 of the present utility model is applied to a refining process of a graphite electrode 200. The graphite electrode 200 is a cylindrical electrode, and therefore, the abutting surface of the anti-slip member 20, that is, the inner surface of the anti-slip member 20 is set to be the arc surface 22, which is favorable for the anti-slip member 20 to be better attached to the graphite electrode 200 and is favorable for improving the friction force between the anti-slip member 20 and the graphite electrode 200.

In some embodiments, as shown in fig. 1, the anti-skid member 20 is provided with anti-skid patterns 23 on the abutment surface.

It can be appreciated that in the present utility model, by providing the anti-slip patterns 23 on the abutment surface of the anti-slip member 20, the friction force between the anti-slip member 20 and the graphite electrode 200 is further improved, and the fastening effect and safety of the torque wrench 100 are effectively improved.

In some embodiments, as shown in fig. 1, the anti-slip member 20 is provided with a mounting hole (not shown) penetrating the anti-slip member 20 in the thickness direction of the anti-slip member 20, the handle 10 is penetrated into the mounting hole, and one end of the handle 10 may abut against the graphite electrode 200.

It will be appreciated that in actual production, a single manufacturing facility may produce a plurality of different sizes of graphite electrodes 200, and that the different sizes of graphite electrodes 200 may result in the inner surface of the cleat 20 not conforming to all sizes of graphite electrodes 200.

At this time, the operator rotates the handle 10 such that the head of the handle 10 protrudes out of the inner surface of the anti-slip member 20 until the head of the handle 10 abuts on the graphite electrode 200. Thereby, the friction force between the torque wrench 100 and the graphite electrode 200 is further improved, and the fastening effect and safety of the torque wrench 100 are effectively improved.

In the present utility model, the mounting hole may be provided as a screw hole, and the head of the handle 10 is provided with external screw threads, thereby effectively improving the stability between the anti-slip member 20 and the handle 10.

In some embodiments, as shown in FIG. 1, one end of the handle 10 is a rounded end.

The torque wrench 100 of the present utility model is applied to the refining process of the graphite electrode 200. The graphite electrode 200 is a cylindrical electrode, and therefore, the head of the handle 10 is set to be the arc surface 22, which is beneficial to the head of the handle 10 to be better attached to the graphite electrode 200, and is beneficial to improving the friction force between the head of the handle 10 and the graphite electrode 200.

In some embodiments, as shown in FIG. 1, a grip 10 is provided with anti-slip features on one end.

It can be appreciated that in the present utility model, by providing the anti-slip pattern on the head of the handle 10, the friction between the head of the handle 10 and the graphite electrode 200 is further improved, effectively improving the fastening effect and safety of the torque wrench 100.

In some embodiments, as shown in fig. 1, the chain 30 includes a plurality of connecting segments 31 and a plurality of links 32, and the plurality of connecting segments 31 and the plurality of links 32 are alternately arranged in the length direction of the chain 30, and the links 32 may be sleeved on the hooks 21.

It will be appreciated that in actual production, a single production facility may produce a plurality of different sizes of graphite electrodes 200. In the present utility model, the arrangement of the plurality of connecting segments 31 and the plurality of links 32 is advantageous in improving the windability of the chain 30, effectively improving the fastening effect and safety of the torque wrench 100.

In some embodiments, as shown in fig. 1, the connecting section 31 may be wrapped around the hanger 21.

In actual production, the connecting section 31 is wound on the hook 21, and the chain ring 32 is sleeved on the hook 21, so that the fastening effect and the safety of the torque wrench 100 are improved.

In some embodiments, as shown in FIG. 1, the surface of the chain 30 is provided with cleats.

It can be appreciated that in the present utility model, by providing the anti-slip pattern on the chain 30, the friction between the chain 30 and the graphite electrode 200 is further improved, and the fastening effect and safety of the torque wrench 100 are effectively improved.

In some embodiments, as shown in fig. 1, the torque wrench 100 for conveniently tightening the graphite electrode 200 further includes an anti-slip sleeve (not shown) that can be sleeved over the chain 30.

It will be appreciated that the slip cap of the present utility model has a length that is greater than half the circumference of the graphite electrode 200 and less than the circumference of the graphite electrode 200. The chain 30 is sleeved with the anti-skid sleeve, so that the fastening effect and the safety of the torque wrench 100 are effectively improved.

The anti-skid sleeve is of a soft structure and is made of a material with a high friction coefficient.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A torque wrench for portable fastening of graphite electrodes, comprising:

a handle;

the anti-skid piece is arranged on the handle and is provided with a hook;

and one end of the chain is arranged on the anti-skid piece, and the other end of the chain is connected to the hook.

2. The portable torque wrench for tightening a graphite electrode according to claim 1, wherein the anti-slip member is adapted to abut against the graphite electrode, and an abutment surface of the anti-slip member is an arc surface.

3. The portable graphite electrode fastening torque wrench of claim 2, wherein the anti-slip member is provided with anti-slip threads on an abutment surface.

4. The torque wrench for fastening a graphite electrode according to claim 1, wherein the anti-slip member is provided with a mounting hole penetrating the anti-slip member in a thickness direction of the anti-slip member, the handle is penetrated in the mounting hole, and one end of the handle is abutted against the graphite electrode.

5. The portable graphite electrode tightening torque wrench of claim 4, wherein the one end of the handle is a rounded end.

6. The portable graphite electrode tightening torque wrench of claim 5, wherein the one end of the handle is provided with anti-slip threads.

7. The portable graphite electrode fastening torque wrench as claimed in claim 1, wherein the chain comprises a plurality of connection sections and a plurality of links, the plurality of connection sections and the plurality of links being alternately arranged in a length direction of the chain, the links being sleeved on the hooks.

8. The portable graphite electrode tightening torque wrench of claim 7, wherein the connection section is windable on the hanger.

9. The portable graphite electrode tightening torque wrench of any one of claims 1-8, wherein the chain is provided with anti-slip grooves on a surface thereof.

10. The portable graphite electrode tightening torque wrench of claim 9, further comprising an anti-slip sleeve that is mountable over the chain.