A pre-embedded sleeve repair tool

Through the integrated drilling drill bit and tap drill bit at the bottom of the main rod, the problems of drilling offset and tap tapping in the repair of sleeper embedded sleeves are solved, and efficient and good quality repair operations are achieved, reducing operation complexity and labor intensity.

CN222740373UActive Publication Date: 2025-04-11SANMEN LIANYOU RAILWAY NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202420848002.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-04-11
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

During the repair of the sleeper embedded casing, drilling offsets and different centers are prone to occur during the tap tapping process, which leads to the installation of bolts not perpendicular to the sleeper, and tapping failure, resulting in weakening of pulling force, and more tools are required for drilling and tapping, and the steps are more cumbersome, resulting in a long repair operation.

Method used

It provides an embedded sleeve repair tool. Through the coordination between the main rod, the cutting groove, the drilling drill bit, the alloy blade, the tap drill bit and the tap thread, the drilling drill bit and the tap drill bit are integrated at the bottom of the main rod. The drilling and tapping integrated repair tool is used to drill and tap operations to solve the concentricity problem and ensure the repair quality.

Benefits of technology

Through integrated tool design, the concentricity problem of drilling and tapping is solved, the repair quality is improved, tool switching and complicated operations are reduced, work efficiency is improved, and the weight and labor intensity of the repair tool are reduced.

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    Figure CN222740373U_ABST
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Abstract

The utility model discloses a pre-embedded sleeve repair tool, comprising a main body rod, wherein the outer wall bottom of the main body rod is provided with cutting grooves at equal intervals, a drilling drill bit is provided at the bottom of the main body rod, and alloy blades are installed at equal intervals at the bottom of the drilling drill bit, and a tap drill bit is provided at the top of the main body rod, and the outer wall of the tap drill bit is provided with tap threads at equal intervals. The utility model relates to the technical field of sleeper construction tools, and solves the problem in the prior art that drilling deviation and eccentricity of tapping are prone to occur during the repair of the pre-embedded sleeve of the sleeper, resulting in the bolts after installation not being perpendicular to the sleeper, resulting in tapping failure, resulting in weakened pull-out force, and more tools are required for drilling and tapping, and the steps are relatively cumbersome, resulting in a long time-consuming repair operation.
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Description

Technical Field

[0001] The utility model relates to the technical field of sleeper construction tools, in particular to a pre-embedded sleeve repair tool. Background Art

[0002] The sleeper embedded casing is a kind of embedded casing used in railway track construction, which is mainly used to fix and support sleepers. It is generally made of high-strength and corrosion-resistant materials, such as nylon, polyester, etc., to adapt to the long-term use and environmental changes of railway tracks. Its structural form is generally a circular tube, which can be customized according to different sleeper types and installation requirements. It is an indispensable and important component in railway track construction, and is of great significance to ensure the safety and stable operation of the track. The sleeper embedded casing is prone to wear after long-term use, which affects the stability of the sleeper. It is necessary to drill and repair the sleeper embedded casing. The common repair method is to first drill the sleeper embedded casing with a twist drill, then tap it with a tap, and finally implant a stainless steel wire screw sleeve. In the prior art, drilling deviation and eccentricity are prone to occur during the repair of the sleeper embedded casing, resulting in the installation of The bolt is not perpendicular to the sleeper, and the tapping fails, resulting in a weakened pull-out force. In addition, there are many tools required for drilling and tapping, and the steps are relatively cumbersome, resulting in a long time for the repair operation. Summary of the invention

[0003] In view of the shortcomings of the prior art, the utility model provides an embedded sleeve repair tool, which solves the problems in the prior art that drilling deviation and eccentricity of the tap are prone to occur during the repair process of the embedded sleeve of the sleeper, resulting in the installed bolts being not perpendicular to the sleeper, tapping failure, and weakening of the pull-out force. In addition, the tools required for drilling and tapping are large, the steps are complicated, and the repair operation is time-consuming.

[0004] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a pre-embedded sleeve repair tool, comprising a main rod, the bottom of the outer wall of the main rod is provided with chip removal grooves at equal intervals, the bottom of the main rod is provided with a drilling bit, the bottom of the drilling bit is provided with alloy blades at equal intervals, the main rod is provided with a tap drill bit at the top of the drilling bit, and the outer wall of the tap drill bit is provided with tap threads at equal intervals.

[0005] Preferably, the bottom of the drilling bit is equidistantly provided with mounting grooves, the mounting grooves are cooperatively connected with the alloy blade, a fixing hole is provided inside the mounting groove, the inner wall of the alloy blade is cooperatively connected with a torx screw, and the torx screw is threadedly connected with the fixing hole.

[0006] Preferably, a limiting groove is arranged on the top of the installation groove, and a limiting block is arranged on the top of the alloy blade, and the limiting block is cooperatively connected with the limiting groove.

[0007] Preferably, a connecting square head is provided on the top of the main rod.

[0008] Preferably, the main body rod is provided with a depth indication scale above the tap drill bit.

[0009] The utility model provides a pre-embedded sleeve repair tool. It has the following beneficial effects: the pre-embedded sleeve repair tool, through the cooperation between the main body rod, the cutting groove, the drilling drill bit, the alloy blade, the tap drill bit and the tap thread, by integrating the drilling drill bit and the tap drill bit at the bottom of the main body rod, when repairing the pre-embedded sleeve of the sleeper, the drilling and tapping repair operations are performed in sequence using the integrated drilling and tapping repair tool, which can solve the concentricity problem of drilling and tapping, ensure the repair quality of the pre-embedded sleeve of the sleeper, and does not need to switch tools, can reduce the complicated operations in the construction process, effectively improve work efficiency, and can reduce the weight of the repair tool and labor intensity, so that the convenience of repairing the railway sleeper sleeve can be improved.

[0010] Through the cooperation among the drilling bit, the alloy blade, the mounting groove, the fixing hole and the internal plum screw, the internal plum screw is inserted into the mounting hole of the alloy blade and screwed into the fixing hole, so that the alloy blade is installed and fixed in the mounting groove; after the alloy blade of the drilling bit is worn, the blade can be replaced on site in time without professional grinding, so as to avoid affecting the repair of the sleeper sleeve, thereby improving the maintenance convenience of the integrated drilling and tapping repair tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0012] Figure 2 for Figure 1 Schematic diagram of the appearance of the middle main body rod, connecting square head and drilling drill bit;

[0013] Figure 3 for Figure 1 A partial enlarged view of the middle A area;

[0014] Figure 4 for Figure 2 A partial enlarged view of area B in the middle.

[0015] In the figure: 1. main rod, 2. cutting groove, 3. drilling bit, 4. alloy blade, 5. tap drill bit, 6. tap thread, 7. mounting groove, 8. fixing hole, 9. internal plum screw, 10. limit groove, 11. limit block, 12. connecting square head, 13. depth indicator scale. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the prior art, drilling deviation and eccentricity of the tap are prone to occur during the repair of the embedded sleeve of the sleeper, resulting in the installed bolts being not perpendicular to the sleeper, resulting in tapping failure and weakening of the pull-out force. In addition, the drilling and tapping require many tools and the steps are complicated, resulting in a long time-consuming repair operation.

[0018] In view of this, the utility model provides an embedded sleeve repair tool, which cooperates between a main rod, a cutting groove, a drilling drill bit, an alloy blade, a tap drill bit and a tap thread, and integrates the drilling drill bit and the tap drill bit at the bottom of the main rod. When repairing the embedded sleeve of the sleeper, an integrated drilling and tapping repair tool is used to perform drilling and tapping repair operations in sequence, which can solve the concentricity problem of drilling and tapping, ensure the repair quality of the embedded sleeve of the sleeper, and does not require switching tools, thereby reducing complicated operations in the construction process, improving work efficiency, and reducing the weight of repair tools and labor intensity.

[0019] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0020] Depend on Figure 1-4It can be seen that a pre-embedded sleeve repair tool comprises a main body rod 1, which is the main structure of the repair drilling and tapping tool. The outer wall bottom of the main body rod 1 is equidistantly provided with chip discharge grooves 2, which are used to discharge chips in time to avoid chips from squeezing into the cutting hole during the cutting process, resulting in drilling blockage or material tearing, and help the tap to better position and support during work to avoid position offset, miscutting, etc. during work. A drilling drill bit 3 is arranged at the bottom of the main body rod 1, and an alloy blade 4 is installed at the bottom of the drilling drill bit 3, which is used to drill holes in the pre-embedded sleeve of the sleeper during the repair of the sleeper sleeve, so as to facilitate subsequent tapping operations. The alloy blades 4 are equidistantly installed at the bottom of the drilling drill bit 3, and a tap drill bit 5 is arranged at the top of the main body rod 1. The outer wall of the tap drill bit 5 is provided with tap threads 6, which are used to open internal threads in the drilled holes of the pre-embedded sleeve of the sleeper, and the outer wall of the tap drill bit 5 is equidistantly provided with tap threads 6;

[0021] In the specific implementation process, it is worth pointing out that the main rod 1 is the main structure of the repair drilling and tapping tool, the chip discharge groove 2 is used to discharge chips in time to prevent chips from squeezing into the cutting hole during the cutting process, resulting in drilling blockage or material tearing, and to help the tap to better position and support during work to avoid position offset, miscutting, etc. during work. An alloy blade 4 is installed at the bottom of the drilling drill bit 3, which is used to drill holes in the sleeper pre-embedded sleeve during the repair process of the sleeper sleeve, so as to facilitate subsequent tapping operations. The outer wall of the tap drill bit 5 is provided with a tap thread 6, which is used to drill holes in the sleeper pre-embedded sleeve An internal thread is provided in the bore of the tube, and through the cooperation among the main rod 1, the cutting groove 2, the drilling drill bit 3, the alloy blade 4, the tap drill bit 5 and the tap thread 6, the drilling drill bit 3 and the tap drill bit 5 are integrated at the bottom of the main rod 1. When repairing the pre-embedded casing of the sleeper, the drilling and tapping repair operations are performed in sequence using the integrated drilling and tapping repair tool, which can solve the concentricity problem of drilling and tapping, ensure the repair quality of the pre-embedded casing of the sleeper, and do not need to switch tools, reduce the complicated operations in the construction process, improve work efficiency, and reduce the weight of the repair tools and labor intensity;

[0022] Of course, the technical solution recorded in this application document is originally designed to repair the embedded sleeve of the sleeper, but in actual application, it is also applicable to the repair of the embedded sleeve of polymer materials in other fields, and its use scenario and applicable environment are not limited to the records in this embodiment;

[0023] Further, the bottom of the drilling drill bit 3 is equidistantly provided with mounting grooves 7, which are provided on the same side of the row cutting grooves 2 at the bottom of the drilling drill bit 3, and the mounting groove 7 is connected with the alloy blade 4, and a fixing hole 8 is provided inside the mounting groove 7, and an inner wall of the alloy blade 4 is connected with an inner hexagon screw 9, and the screw groove of the inner hexagon screw 9 can more effectively transmit the tightening torque due to the tool force transmitted along 15°, thereby improving the fixing stability of the alloy blade 4, and the inner hexagon screw 9 is threadedly connected with the fixing hole 8;

[0024] In the specific implementation process, it is worth pointing out that the installation groove 7 is opened on the same side of the cutting groove 2 at the bottom of the drilling drill bit 3. The screw groove of the inner hexagon screw 9 can more effectively transmit the tightening torque due to the tool force transmitted along 15°, thereby improving the fixing stability of the alloy blade 4. Through the cooperation among the drilling drill bit 3, the alloy blade 4, the installation groove 7, the fixing hole 8 and the inner hexagon screw 9, the inner hexagon screw 9 is inserted into the installation hole of the alloy blade 4 and screwed into the fixing hole 8 to achieve the installation and fixation of the alloy blade 4 in the installation groove 7. After the alloy blade 4 of the drilling drill bit 3 is worn, the blade can be replaced on site in time without professional grinding, thereby avoiding affecting the repair of the sleeper sleeve.

[0025] Furthermore, a limiting groove 10 is provided at the top of the installation groove 7, and a limiting block 11 is provided at the top of the alloy blade 4. The limiting block 11 is integrally formed with the alloy blade 4, and the limiting block 11 is cooperatively connected with the limiting groove 10;

[0026] In the specific implementation process, it is worth pointing out that the limiting block 11 is integrally formed with the alloy blade 4. Through the cooperation among the alloy blade 4, the mounting groove 7, the limiting groove 10 and the limiting block 11, the limiting block 11 of the alloy blade 4 is limited in the limiting groove 10, so as to further improve the installation stability of the alloy blade 4.

[0027] Furthermore, a connecting square head 12 is provided at the top of the main body rod 1, and the connecting square head 12 is used to connect and fix the main body rod 1 of the drilling and tapping repair tool with a wrench or an electric tool so as to rotate the drilling and tapping repair tool;

[0028] In the specific implementation process, it is worth pointing out that the connecting square head 12 is used to connect and fix the main rod 1 of the drilling and tapping repair tool with a wrench or an electric tool so as to rotate the drilling and tapping repair tool;

[0029] Furthermore, the main body rod 1 is provided with a depth indicator scale 13 above the tap drill bit 5, and the depth indicator scale 13 is used to display the drilling depth of the drilling and tapping repair tool, so that the staff can grasp the drilling depth more quickly and intuitively, thereby improving the convenience of use;

[0030] In the specific implementation process, it is worth pointing out that the depth indicator scale 13 is used to display the drilling depth of the drilling and repairing tool, so that the staff can grasp the drilling depth more quickly and intuitively, thereby improving the convenience of use;

[0031] Specifically, when using the embedded sleeve repair tool, the main rod 1 and the wrench or power tool are installed and fixed by connecting the square head 12, the main rod 1 is placed in the top of the sleeper embedded casing, so that the main rod 1 and the sleeper are kept vertical, the drilling drill bit 3 is placed in the top of the threaded hole of the sleeper embedded casing, the power tool is turned on, and the main rod 1 is rotated, and the alloy blade 4 of the drilling drill bit 3 cuts the original threaded hole of the sleeper embedded casing, expands the original threaded hole, and keeps the inner wall of the expanded hole of the sleeper embedded casing smooth, as the main rod 1 goes deeper into the sleeper embedded casing, the tap drill bit 5 taps the expanded hole after contacting the expanded hole, and keeps the new internal thread concentric with the expanded hole, and the cut chips are discharged outward through the cutting groove 2, and when the main rod 1 goes deeper into a certain depth After reaching the depth, stop the rotation of the main rod 1, rotate the main rod 1 in the opposite direction, take the main rod 1 out of the expanded hole of the sleeper pre-embedded casing, form a new internal thread on the inner wall of the expanded hole of the sleeper pre-embedded casing, and complete the repair of the sleeper sleeve. Through the cooperation among the main rod 1, the cutting groove 2, the drilling drill bit 3, the alloy blade 4, the tap drill bit 5 and the tap thread 6, and by integrating the drilling drill bit 3 and the tap drill bit 5 at the bottom of the main rod 1, when repairing the sleeper pre-embedded casing, use the integrated drilling and tapping repair tool to perform the drilling and tapping repair operations in sequence, which can solve the concentricity problem of drilling and tapping, ensure the repair quality of the sleeper pre-embedded casing, and do not need to switch tools, reduce the complicated operations in the construction process, improve work efficiency, and reduce the weight of repair tools and labor intensity.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pre-embedded sleeve repair tool, comprising a main rod (1), characterized in that: The outer wall bottom of the main body rod (1) is provided with chip removal grooves (2) at equal intervals, the bottom of the main body rod (1) is provided with a drilling drill bit (3), the bottom of the drilling drill bit (3) is provided with alloy blades (4) at equal intervals, the main body rod (1) is provided with a tap drill bit (5) at the top of the drilling drill bit (3), and the outer wall of the tap drill bit (5) is provided with tap threads (6) at equal intervals.

2. The embedded sleeve repair tool according to claim 1, characterized in that: The bottom of the drilling bit (3) is provided with mounting grooves (7) at equal intervals, the mounting grooves (7) are connected in cooperation with the alloy blade (4), a fixing hole (8) is provided inside the mounting groove (7), the inner wall of the alloy blade (4) is connected in cooperation with a torx screw (9), and the torx screw (9) is threadedly connected to the fixing hole (8).

3. The embedded sleeve repair tool according to claim 2, characterized in that: A limiting groove (10) is arranged at the top of the installation groove (7), and a limiting block (11) is arranged at the top of the alloy blade (4), and the limiting block (11) is connected in a cooperative manner with the limiting groove (10).

4. The embedded sleeve repair tool according to claim 1, characterized in that: A connecting square head (12) is provided on the top of the main rod (1).

5. The embedded sleeve repair tool according to claim 1, characterized in that: The main body rod (1) is provided with a depth indication scale (13) above the tap drill bit (5).