CN217142467U

CN217142467U - Switch rail on-line milling cutter

Info

Publication number: CN217142467U
Application number: CN202220079797.9U
Authority: CN
Inventors: 席利民; 王永利; 张志颖
Original assignee: Ruzhou Zhengtie Sanjia Turnout Co ltd
Current assignee: Ruzhou Zhengtie Sanjia Turnout Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-09
Anticipated expiration: 2032-01-13

Abstract

The utility model provides a switch rail mills cutter on line, include: a milling part provided with a cutter head; the mounting part is connected to the center of the milling part and is provided with a connecting strip; and a connecting portion; the connecting strip is provided with a connecting groove, the connecting strip is matched with the connecting groove to enable the mounting part and the connecting part to be detachably connected, and a fixing component is arranged between the connecting strip and the connecting groove. Above-mentioned technical scheme is through the grafting of connecting strip and spread groove to realize the dismantlement of installation department and connecting portion and be connected, be convenient for change the cutter, improve the stability of connecting through stop component.

Description

Switch rail on-line milling cutter

Technical Field

The utility model relates to a switch rail processing cutter technical field especially relates to an online milling cutter of switch rail.

Background

The rail is a main component of a railway track, and has the functions of guiding wheels of a locomotive to move forward, bearing huge pressure of the wheels and transmitting the huge pressure to a sleeper, the rail must provide a continuous and smooth rolling surface with the minimum resistance for the wheels, the contact relation of the wheels and the rail can be improved through milling and polishing, the generation of rail diseases such as contact fatigue, abrasion, waveform abrasion (wave abrasion for short) and the like can be prevented and delayed, the rail surface diseases can be repaired or reduced, the risk of rail breakage is reduced, and the service life and the maintenance period of rail equipment are prolonged.

Along with the condition that wearing and tearing can appear in milling cutter operating time's extension to reduced the original operation precision of milling cutter, consequently need regularly change milling cutter in order to guarantee its operation precision, traditional milling cutter mills and mostly is the integral type between portion and the connection installation department, is not convenient for change the cutter, and the cutter is whole to be changed, and use cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an online milling cutter of switch rail in order to solve not enough and the defect that exists among the above-mentioned prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an online milling cutter of switch rail includes: a milling part provided with a cutter head; the mounting part is connected to the center of the milling part and is provided with a connecting strip; and a connecting portion; be provided with the spread groove, through the connecting strip with the cooperation of spread groove makes the installation department with the connection can be dismantled to connecting portion the connecting strip with set up fixed component between the spread groove, prevent the installation department with connecting portion take place to break away from, improve the steadiness that both connect. Through the installation department with the connection portion can be dismantled and be connected be convenient for change the cutter to it is stable to connect.

Further, the mounting portion includes: one end of the connecting column is connected with the milling part, and the center of the end face of the other end of the connecting column is provided with a groove; the connecting strips are distributed in the groove at equal intervals and extend out of the end face of the connecting column along the axial direction of the connecting column; the groove bottom center of the groove is provided with a mounting hole which is axially arranged along the connecting column, the groove is circular, and the connecting strip is radially fixed on the groove bottom of the groove by taking the groove bottom center of the groove as the circle.

Furthermore, each connecting strip is provided with a first limiting hole which is arranged along the radial direction of the groove.

Further, the connection portion includes: connecting sleeves; and the connecting grooves are matched with the connecting strips in a clearance fit mode, and are arranged on the end faces of the connecting sleeves, the number and the shapes of the connecting grooves are the same.

Through design connecting strip and spread groove for spliced pole and adapter sleeve are pegged graft, thereby are convenient for install and separate.

Furthermore, a second limiting hole which is arranged along the radial direction of the connecting groove is arranged on the outer wall of the connecting sleeve corresponding to the connecting groove; and fixing components are inserted into the first limiting hole and the second limiting hole to prevent the mounting part and the connecting part from being separated.

Further, the fixing member includes: a first limiting hole is formed in the first end of the first limiting column; the fixing column is matched with the second limiting hole; one end of the limiting column is fixedly connected with the fixing column, and the other end of the limiting column is conical. The design is fixed the component and is prevented installation department and connecting portion and break away from, improves the steadiness of connecting.

As another technical solution of the fixing member of the present invention, the fixing member includes:

the fixing column is adapted to the first limiting hole and the second limiting hole;

and the handle is detachably connected to one end of the fixing part 2 through threads.

Furthermore, the first limiting hole and the second limiting hole are both special-shaped holes and are equal in size, and the fixing column is a special-shaped column matched with the first limiting hole and the second limiting hole. Through the cooperation of profile shapes post and abnormal shape hole, prevent that fixed component from taking place to rotate in first spacing hole and second spacing downthehole, improve the stability of connecting.

Further, the milling part comprises a first cutter disc; a second cutter head; a third cutter head; and a chip removal port; wherein first blade disc, second blade disc and third blade disc are arranged in proper order to the direction of keeping away from the installation department, the chip removal mouth is run through to the bottom surface of first blade disc by third blade disc top surface.

Compared with the prior art, the utility model has the advantages and positive effects that,

by applying the technical scheme of the utility model, when the installation part is connected with the connecting part, the detachable connection of the installation part and the connecting part is realized through the splicing of the connecting strip and the connecting groove, the operation steps are less, and the connection and the detachment are convenient; the connection between the mounting part and the connecting part can be stabilized while the connection and the disassembly are convenient through the limiting and fixing of the fixing component, the connection stability of the mounting part and the connecting part is improved, and the use stability of the cutter is ensured; and need not change whole cutter together when changing your cutter, reduce use cost.

Drawings

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

fig. 1 shows a schematic structural view of the turnout rail online milling cutter provided by the utility model;

fig. 2 shows a schematic diagram of a cutter head structure of the turnout steel rail online milling cutter provided by the utility model;

FIG. 3 shows a schematic view of an installation part of the turnout rail online milling cutter provided by the utility model;

fig. 4 shows a schematic view of a connecting part of the turnout steel rail online milling cutter provided by the utility model;

fig. 5 shows a schematic view of a fixing component of the turnout rail on-line milling cutter provided by the embodiment 1 of the invention;

fig. 6 shows a schematic view of a fixing component of the switch rail on-line milling cutter provided by the embodiment 2 of the invention.

Wherein the figures include the following reference numerals:

1. the milling part 11, a first cutter disc 12, a second cutter disc 13, a third cutter disc 14, a chip removal port 15 and a first mounting hole;

2. the mounting part comprises a mounting part 21, a connecting column 22, a groove 23, a connecting strip 24, a first limiting hole 25 and a mounting hole (second mounting hole);

3. the connecting part 31, the connecting sleeve 32, the connecting groove 33, the second limiting hole 34 and the third mounting hole;

4. fixing component, 41, spacing post, 42, fixed column, 43, handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: the terms "first", "second", etc. are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the protection scope of the present invention is not to be construed as being limited.

Example 1: as shown in fig. 1 to 5, an embodiment of the present invention relates to an on-line milling tool for railroad switch steel rails, which includes a milling portion 1, an installation portion 2, and a connecting portion 3. Wherein, installation department 2 is provided with connecting strip 23, and connecting portion 3 is provided with spread groove 32, and the cooperation through connecting strip 23 and spread groove 32 makes installation department 2 and connecting portion 3 can dismantle the connection to it can increase the stability of connecting to connect strip 23 and spread groove 32.

Referring to fig. 1 and 2, the milling part 1 includes a first cutter disc 11, a second cutter disc 12 is arranged at one end of the first cutter disc 11, a third cutter disc 13 is arranged at one end of the second cutter disc 12, a chip removal port 14 is arranged on the outer surface of the third cutter disc 13, the chip removal port 14 penetrates through the second cutter disc 12 and the first cutter disc 11, a first mounting hole 15 is arranged at the center of the third cutter disc 13, the first mounting hole 15 penetrates through the second cutter disc 12 and the first cutter disc 11, and a mounting part 2 is arranged on the outer surface of the first cutter disc 11.

Referring to fig. 3, installation department 2 includes spliced pole 21, the recess 22 has been seted up at the one end terminal surface center that first blade disc 11 was kept away from to spliced pole 21, recess 22 is circular, its tank bottom fixedly connected with connecting strip 23, connecting strip 23 is arranged along spliced pole 21's axial, and use the tank bottom center to be radial arrangement as the center, a plurality of connecting strips 23 are equidistant setting along groove 22's tank bottom circumference, the quantity of connecting strip 23 of this embodiment is 6, all be equipped with first spacing hole 24 on every connecting strip 23, be equipped with the second mounting hole 25 along its axial setting on spliced pole 21, second mounting hole 25 begins to extend to another terminal surface of spliced pole 21 by groove 22's tank bottom. The connecting column 21 has a polygonal, preferably octagonal, cross-section.

Referring to fig. 4, one end of the connecting strip 23 is provided with a connecting portion 3, the connecting portion 3 includes a connecting sleeve 31, and the connecting sleeve 31 is plugged with the connecting strip 23, specifically: the connecting grooves 32 are arranged on one end face of the connecting sleeve 31, the number of the connecting grooves 32 is equal to that of the connecting strips 23, and the connecting strips 23 are in consistent shape, so that the connecting strips 23 can be inserted into the connecting strips 23, and the connecting strips 23 are in clearance fit with the connecting grooves 32. The connecting sleeve 31 is provided with a second limiting hole 33 corresponding to the connecting groove 32, the axis of the second limiting hole 33 and the central line of the connecting groove 32 on the same cross section are positioned on the same straight line, the coincident straight line of the second limiting hole 33 and the central line of the connecting groove 32 are coincident with the diameter of the groove 22, the axial hole of the connecting sleeve 31 is a third mounting hole 34, the second mounting hole 25 and the first mounting hole 15 are identical in shape and size, and the axes of the three are positioned on the same axis after being connected together, so that the cutter is convenient to mount. A fixing member 4 is inserted into the first and

second stopper holes

24 and 33 to prevent the mounting portion 3 and the connecting portion 4 from being separated

As shown in fig. 5, the fixing member 4 includes a limiting post 41, one end of the limiting post 41 is fixedly connected to the fixing post 42, the limiting post 41 is inserted into the first limiting hole 24, the two are preferably in interference fit, the interference magnitude is small, so that the fixing post can be conveniently inserted into the first limiting hole 24 and conveniently pulled out, and the fixing post 42 is inserted into the second limiting hole 33. The end of the limiting column 41 away from the fixing column 42 is tapered, so that the first limiting hole 24 can be conveniently inserted, and it should be noted that: the cross section of the limiting column 41 is circular, the cross section of the fixing column 42 is an irregular cross section, such as an irregular polygon or a cross, and the fixing column 42 is arranged to prevent the rotation of the fixing column 42 in the second limiting hole 33, so that the connection stability is ensured. The length of the fixing column 42 is greater than the depth of the second limiting hole 33, or a limiting boss is arranged at one end, far away from the limiting column 4, of the fixing column 42, so that the fixing component 4 is conveniently drawn out from the first limiting hole 24 and the second limiting hole 33, and the fixing column is convenient to detach, and therefore convenience is brought to cutter replacement.

Example 2: the structure of the present embodiment is substantially the same as that of embodiment 1, except that the structure of the fixing member 4 is different from that of embodiment 1, specifically: referring to fig. 6, the fixing member 4 includes: the fixing column 42 is matched with the first limiting hole 24 and the second limiting hole 33, the handle 43 is detachably connected to one end of the fixing column 42, a threaded hole is formed in the center of the end face of one end of the fixing column 42 and is arranged along the axial direction of the fixing column, an external thread matched with the threaded hole is formed in one end of the handle 43, and the handle 43 is detachably connected to the fixing column 42 through threads. After the fixing posts 42 are inserted into the first and second position-limiting

holes

24 and 33, the handle 43 can be easily removed.

The first limiting hole 24 and the second limiting hole 33 of the present embodiment are both special-shaped holes, where the special-shaped holes refer to holes other than round holes, such as rectangular holes, cross-shaped holes, T-shaped holes, or irregular polygonal holes, the first limiting hole 24 and the second limiting hole 33 have the same size, and the fixing posts 42 are special-shaped posts adapted to the first limiting hole 24 and the second limiting hole 33. Through the cooperation of profile column and special-shaped hole, prevent that fixed column 42 from rotating at first spacing hole 24 and second spacing hole 33, improve the steadiness of connecting, guarantee the stability of cutter work.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a switch rail mills cutter on line which characterized in that: the method comprises the following steps:

a milling part (1) provided with a cutter head;

the mounting part (2) is connected to the center of the milling part (1), and a connecting strip (23) is arranged on the mounting part (2);

a connecting part (3); a connecting groove (32) is arranged, and the connecting strip (23) is inserted into the connecting groove (32) so that the mounting part (2) is detachably connected with the connecting part (3); and

a fixing member (4) provided between the connection bar (23) and the connection groove (32) to prevent the mounting part (2) and the connection part (3) from being separated.

2. The switch rail on-line milling cutter according to claim 1, characterized in that: the mounting part (2) includes:

one end of the connecting column (21) is connected with the milling part (1), and the center of the end surface of the other end is provided with a groove (22); and

the connecting strips (23) are distributed in the groove (22) at equal intervals and extend out of the end face of the connecting column (21) along the axial direction of the connecting column (21);

the groove bottom center of the groove (22) is provided with a mounting hole (25) which is axially arranged along the connecting column (21), the groove (22) is circular, and the connecting strip (23) is radially fixed on the groove bottom of the groove (22) in a circular manner by taking the groove bottom center of the groove as the center.

3. The switch rail on-line milling cutter according to claim 2, characterized in that: each connecting strip (23) is provided with a first limiting hole (24) which is arranged along the radial direction of the groove (22).

4. The switch rail on-line milling cutter of claim 3, characterized in that: the connecting portion (3) includes:

a connecting sleeve (31); and

the connecting grooves (32) are matched with the connecting strips (23) and are formed in the end face of the connecting sleeve (31), the number and the shape of the connecting grooves (32) are identical, and the connecting strips (23) are in clearance fit with the connecting grooves (32).

5. The switch rail on-line milling cutter according to claim 4, characterized in that: a second limiting hole (33) which is arranged along the radial direction of the connecting groove (32) is arranged on the outer wall of the connecting sleeve (31) corresponding to the connecting groove;

the fixing member (4) is inserted into the first limit hole (24) and the second limit hole (33).

6. The switch rail on-line milling cutter of claim 5, characterized in that: the fixing member (4) includes:

a stopper post (41) fitted to the first stopper hole (24);

a fixing column (42) adapted to the second limiting hole (33);

one end of the limiting column (41) is fixedly connected with the fixing column (42), and the other end of the limiting column is conical.

7. The switch rail on-line milling cutter of claim 5, characterized in that: the fixing member (4) includes:

a fixing post (42) adapted to the first and second position-limiting holes (24, 33);

and the handle (43) is detachably connected to one end of the fixing column (42) through threads.

8. The switch rail on-line milling cutter of claim 7, wherein: the first limiting hole (24) and the second limiting hole (33) are both special-shaped holes and are equal in size, and the fixing column (42) is a special-shaped column matched with the first limiting hole (24) and the second limiting hole (33).

9. The switch rail on-line milling cutter according to claim 1, characterized in that: the milling section (1) comprises: a first cutter head (11);

a second cutter head (12);

a third cutter (13); and

a chip removal port (14);

wherein, first blade disc (11), second blade disc (12) and third blade disc (13) are arranged in proper order to the direction of keeping away from installation department (2), chip removal mouth (14) are run through to the bottom surface of first blade disc (11) by third blade disc (13) top surface.