阅读说明：本技术 一种螺栓防锈装置及防锈方法 (Bolt rust prevention device and rust prevention method ) 是由 刘小明 王克伟 祁涛 朱昌岳 刘忠厚 苏红玲 万广斌 张润 李银年 黄宏斌 朱雯 于 2021-06-30 设计创作，主要内容包括：本发明的实施例提供了一种螺栓防锈装置及防锈方法,涉及螺栓施工领域。该螺栓防锈装置包括套管和支撑架,套管用于套设在螺栓的外漏部分；支撑架用于设置在套管和螺栓之间,以支撑套管。支撑架能够使套管和螺栓之间保持一定的间距,避免对后续防护工作造成影响,提高工作效率。(The embodiment of the invention provides a bolt rust prevention device and a bolt rust prevention method, and relates to the field of bolt construction. The bolt rust prevention device comprises a sleeve and a support frame, wherein the sleeve is used for being sleeved on an outer leakage part of a bolt; the support bracket is arranged between the sleeve and the bolt to support the sleeve. The support frame can make and keep certain interval between sleeve pipe and the bolt, avoids causing the influence to follow-up protection work, improves work efficiency.)

1. A bolt rust prevention device, characterized by comprising:

the sleeve (10), the said sleeve (10) is used for covering and setting up in the leakage part of the bolt (50); and

a support bracket (20), the support bracket (20) being for being disposed between the sleeve (10) and the bolt (50) to support the sleeve (10).

2. The bolt rust inhibiting device according to claim 1, characterized in that the support bracket (20) includes a support ring (21) and a support portion (22), the support ring (21) is used for being sleeved on the leakage portion of the bolt (50), one end of the support portion (22) is connected with the support ring (21), and the other end of the support portion (22) is abutted with the inner side wall of the sleeve (10).

3. The bolt rust inhibiting device according to claim 2, characterized in that the number of the supports (22) is plural, and the plural supports (22) are uniformly provided in the circumferential direction of the support ring (21).

4. The bolt rust inhibiting device according to claim 2, characterized in that the support portion (22) is a strip-shaped structure.

5. The bolt rust inhibiting device according to claim 1, characterized in that the top of the sleeve (10) is adapted to be higher than the top of the bolt (50).

6. The bolt rust inhibiting device according to claim 1, characterized in that the bolt rust inhibiting device (100) further comprises a seal (30), the seal (30) being provided inside the sleeve (10), the seal (30) being for covering an outer leakage portion of the bolt (50).

7. The bolt rust inhibiting device of claim 6, characterized in that said seal (30) is mortar.

8. The bolt rust inhibiting device according to claim 1, characterized in that the number of the support brackets (20) is plural, and the plural support brackets (20) are provided at intervals in the axial direction of the bolt (50).

9. A bolt rust prevention method is characterized by comprising the following steps:

sleeving the support frame (20) on the outer leakage part of the bolt (50);

sleeving the sleeve (10) on the outer leakage part of the bolt (50), and enabling the inner side wall of the sleeve (10) to be abutted against the support frame (20);

and pouring mortar into the sleeve (10) and leveling the top surface of the mortar.

10. The method of claim 9, wherein before the step of sleeving the sleeve (10) on the leakage portion of the bolt (50), the method further comprises:

and coating a rust inhibitor on the outer leakage part of the bolt (50).

Technical Field

The invention relates to the field of bolt construction, in particular to a bolt rust prevention device and a bolt rust prevention method.

Background

With the development of railway construction in China in a crossing manner, the development of an initial non-electrified railway into an electrified railway occupies a dominant position, but in some underdeveloped areas or self-built special railways of enterprises, the construction of the internal combustion traction non-electrified railway is still the main reason due to the limitation of construction cost.

When non-electrified railway bridge engineering construction, construct the contact net support on pier tray one side to install the built-in fitting, be convenient for install the contact net stand when treating electrified transformation. After the construction of contact net support is accomplished, buried bolt exposes for a long time in atmospheric environment, can establish the sleeve pipe at buried bolt outside cover and protect it, then carries out subsequent protection work again, because when the sleeve pipe was established to the cover, the interval between sleeve pipe and the buried bolt can't be fixed, can lead to subsequent protection work to progress the difficulty.

Disclosure of Invention

The invention provides a bolt rust prevention device and a rust prevention method, which can keep a certain distance between a sleeve and a bolt, facilitate subsequent protection work and improve the working efficiency.

Embodiments of the invention may be implemented as follows:

an embodiment of the present invention provides a bolt rust preventing device, including:

the sleeve is used for being sleeved on the outer leakage part of the bolt; and

a support bracket for being disposed between the sleeve and the bolt to support the sleeve.

Optionally, the support frame includes support ring and supporting part, the support ring is used for the cover to establish the outer hourglass part of bolt, the one end of supporting part with the support ring is connected, the other end of supporting part with the sleeve pipe inside wall butt.

Optionally, the number of the supporting parts is multiple, and the multiple supporting parts are uniformly arranged along the circumferential direction of the supporting ring.

Optionally, the support portion is a strip structure.

Optionally, the top of the sleeve is adapted to be higher than the top of the bolt.

Optionally, the bolt rust prevention device further comprises a seal disposed inside the sleeve, the seal being configured to cover the leakage portion of the bolt.

Optionally, the seal is mortar.

Optionally, the number of the support frames is multiple, and the support frames are arranged at intervals along the axial direction of the bolt.

The embodiment of the invention also provides a bolt rust prevention method, which comprises the following steps:

sleeving the support frame on the outer leakage part of the bolt;

sleeving the sleeve on the outer leakage part of the bolt, and enabling the inner side wall of the sleeve to be abutted against the support frame;

and pouring mortar into the sleeve, and leveling the top surface of the mortar.

Optionally, before the step of sleeving the sleeve on the leakage part of the bolt, the bolt rust prevention method further includes:

and coating a rust inhibitor on the outer leakage part of the bolt.

The bolt rust prevention device and the rust prevention method provided by the embodiment of the invention have the beneficial effects that:

this bolt rust-proof device, including sleeve pipe and support frame, the sleeve pipe is used for the cover to establish the hourglass part at the bolt for avoid the bolt directly to expose in atmospheric environment, the support frame is used for setting up between sleeve pipe and bolt, and with support sleeve pipe, the support frame can make and keep certain interval between sleeve pipe and the bolt, avoids causing the influence to follow-up protection work, improves work efficiency.

According to the bolt rust prevention method, the bolt rust prevention device can be used for performing rust prevention work on the bolt, and the problem that the distance between the sleeve and the bolt cannot be kept is avoided, so that subsequent protection work is influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a first view angle of a bolt rust prevention device provided in this embodiment;

fig. 2 is a schematic structural diagram of a second view angle of the bolt rust prevention device provided in this embodiment;

fig. 3 is a cross-sectional view taken along line I-I in fig. 2.

Icon: 10-a sleeve; 20-a support frame; 21-a support ring; 22-a support; 30-a seal; 40-a contact net support; 50-bolt; 100-bolt rust-proof device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

With the development of railway construction in China in a crossing manner, the development of an initial non-electrified railway into an electrified railway occupies a dominant position, but in some underdeveloped areas or self-built special railways of enterprises, the construction of the internal combustion traction non-electrified railway is still the main reason due to the limitation of construction cost.

When non-electrified railway bridge engineering construction, construct the contact net support on pier tray one side to install the built-in fitting, be convenient for install the contact net stand when treating electrified transformation. After the construction of contact net support is accomplished, buried bolt exposes for a long time in atmospheric environment, can establish the sleeve pipe at buried bolt outside cover and protect it, then carries out subsequent protection work again, because when the sleeve pipe was established to the cover, the interval between sleeve pipe and the buried bolt can't be fixed, can lead to subsequent protection work to progress the difficulty.

Referring to fig. 1-3, the present embodiment provides a bolt rust prevention apparatus 100 and a rust prevention method, which can effectively solve the above-mentioned technical problems. The distance between the sleeve 10 and the bolt 50 can be kept, so that the subsequent protection work is facilitated, and the working efficiency is improved.

In this embodiment, this bolt rust-proofing device 100 mainly carries out rust-proofing to the buried bolt in the contact net support 40.

In other embodiments, the bolt rust prevention device 100 can also perform rust prevention on embedded bolts on other structures, such as bridge supports and the like.

Referring to fig. 1 and 2, the bolt rust preventing apparatus 100 includes a sleeve 10, a support 20 and a sealing member 30, the sleeve 10 is configured to be sleeved on a leakage portion of a bolt 50, the support 20 is configured to be disposed between the sleeve 10 and the bolt 50 to support the sleeve 10, the sealing member 30 is configured to be disposed between the sleeve 10 and the bolt 50, and the sealing member 30 is configured to cover the leakage portion of the bolt 50.

The sleeve 10 is used for avoiding the bolt 50 from being directly exposed in the atmospheric environment, and the support frame 20 can enable the sleeve 10 and the bolt 50 to keep a certain distance therebetween, so that the influence on subsequent protection work is avoided, and the work efficiency is improved.

In this embodiment, the supporting frame 20 is a ring structure.

The number of the support frames 20 is two, and the two support frames 20 are arranged at intervals along the axial direction of the bolt 50.

In other embodiments, the number of the supporting frames 20 may be three or more, and is not limited herein.

The relative position of fig. 1 is illustrated, the lower end of the bolt 50 is embedded in the catenary support 40, the upper end of the bolt 50 leaks out of the catenary support 40, the bushing 10 is sleeved on the leaking part of the bolt 50, and the top of the bushing 10 is higher than the top of the bolt 50, that is, the bushing 10 completely covers the leaking part of the bolt 50.

The support bracket 20 is disposed between the sleeve 10 and the bolt 50, and the two support brackets 20 are disposed at an interval in the up-down direction.

The lower end of the bolt 50 is in a hook-like configuration.

The relative position in fig. 1 is used for illustration, and the up-down direction shown in fig. 1 can be understood as the relative position in fig. 1 or the relative position relationship of the product when the product is normally placed.

It should be noted that the length of the sleeve 10 is greater than the length of the leakage portion of the bolt 50.

In this embodiment, the sealing member 30 is mortar.

More, the sleeve 10 in this embodiment is a plastic sleeve.

In other embodiments, the sleeve 10 may also be a PVC sleeve.

For better illustration of the structure of the supporting frame 20, fig. 3 is a cross-sectional view taken along line I-I in fig. 2, and the detailed structure of the supporting frame 20 will be described in detail below.

Referring to fig. 3, the supporting frame 20 includes a supporting ring 21 and a supporting portion 22, the supporting ring 21 is used for being sleeved on the outer leakage portion of the bolt 50, one end of the supporting portion 22 is connected to the supporting ring 21, and the other end of the supporting portion 22 is abutted to the inner side wall of the sleeve 10.

Specifically, in the present embodiment, the outer side wall of the bolt 50 is provided with a screw thread, and the support ring 21 is configured to be sleeved on the screw thread of the bolt 50.

One end of the support portion 22 is welded to the outer side wall of the support ring 21, and the other end of the support portion 22 abuts against the inner side wall of the sleeve 10.

The number of the supporting portions 22 is plural, and the plural supporting portions 22 are uniformly distributed along the circumferential direction of the support ring 21.

In this embodiment, the number of the support portions 22 is four, and the four support portions 22 are uniformly distributed along the circumferential direction of the support ring 21 at intervals.

In other embodiments, the number of the supporting portions 22 may be six or more, and is not particularly limited herein.

It should be noted that the support portion 22 has a long strip structure.

In the present embodiment, the support 20 is a plastic support.

The bolt rust prevention method provided by the embodiment comprises the following steps:

coating an antirust agent on the outer leakage part of the bolt 50;

sleeving the support frame 20 on the outer leakage part of the bolt 50;

sleeving the sleeve 10 on the outer leakage part of the bolt 50, so that the inner side wall of the sleeve 10 is abutted against the support frame 20;

mortar is poured into the casing 10 and the top surface of the mortar is smoothed.

Specifically, in the present embodiment, a rust preventive oil is used as the rust preventive.

In other embodiments, the rust inhibitor may also be a rust inhibiting paint.

It should be further noted that the sleeve 10 and the mortar can prevent the volatilization of the rust inhibitor of the leaking part of the bolt 50 in time, prevent the bolt 50 from contacting the atmospheric environment, and avoid the corrosion of the bolt 50, and the bolt rust-proof method has long rust-proof time, is not easy to be weathered and damaged, ensures the quality of the bolt 50, and prevents the hidden danger of rust breakage of the bolt 50.

The working principle of the bolt rust prevention device 100 provided by the embodiment is as follows:

during construction, the proper support frame 20 and the sleeve 10 are selected according to the diameter of the embedded bolt and the leakage length, the sleeve 10 is sleeved on the leakage part of the bolt 50, the support frame 20 is sleeved on the leakage part of the bolt 50, so that the sleeve 10 is stably supported, the bottom of the sleeve 10 is close to the contact net support 40, the top of the sleeve 10 exceeds the top of the leakage part of the bolt 50, the sleeve 10 is filled with mixed mortar, and the top surface of the mortar is leveled.

When the contact net is installed, the sleeve 10 is cut off, the mortar is tapped to enable the sleeve to fall off, the support frame 20 is dismantled, and the surface of the embedded bolt 50 is cleaned.

The bolt rust prevention device 100 and the rust prevention method provided by the embodiment have at least the following advantages:

the mortar can prevent the volatilization of the rust inhibitor applied to the leaking portion of the bolt 50, and prevent the leaking portion of the bolt 50 from contacting the atmospheric environment.

The support bracket 20 can maintain the interval between the socket 10 and the bolt 50.

The bolt rust preventing device 100 is simple to install and remove and easy to operate.

In summary, according to the bolt rust prevention device 100 and the rust prevention method provided by the embodiment, the bolt rust prevention device 100 includes the sleeve 10 and the support frame 20, the sleeve 10 is used for being sleeved on the outer leakage portion of the bolt 50 and used for preventing the bolt 50 from being directly exposed in the atmospheric environment, the support frame 20 is used for being arranged between the sleeve 10 and the bolt 50 to support the sleeve 10, and the support frame 20 can enable a certain distance to be kept between the sleeve 10 and the bolt 50, so that the influence on the subsequent protection work is avoided, and the work efficiency is improved.

According to the bolt rust prevention method, the bolt 50 can be subjected to rust prevention work by adopting the bolt rust prevention device 100, and the problem that the distance between the sleeve 10 and the bolt 50 cannot be kept is avoided, so that subsequent protection work is influenced.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.