CN203330491U - Air passage ring cutting device of pantograph slide plate - Google Patents
Air passage ring cutting device of pantograph slide plate Download PDFInfo
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- CN203330491U CN203330491U CN2013203834383U CN201320383438U CN203330491U CN 203330491 U CN203330491 U CN 203330491U CN 2013203834383 U CN2013203834383 U CN 2013203834383U CN 201320383438 U CN201320383438 U CN 201320383438U CN 203330491 U CN203330491 U CN 203330491U
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- air flue
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- cutting tool
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Abstract
The utility model discloses an air passage ring cutting device of a pantograph slide plate. The air passage ring cutting device of the pantograph slide plate comprises a rotating unit (1), a cutting control member (2) and a pull unit (8). The cutting control unit (2) and the rotating unit are connected and rotate coaxially, the cutting control member (2) is provided with a central channel (4) and a radial through hole (5), the central channel (4) extends in the axial direction of the cutting control member (2) and is used for containing an air passage copper tube (3), the radial through hole (5) is communicated with the central channel, a scale mark ring (6) is carved on the surface of the outer end of the radial through hole, a cutting tool (7) capable of moving in the radial direction is arranged in the radial through hole in a threaded matching mode, and the outer end of the cutting tool corresponds to the scale mark ring to enable the rotating cutter feeding amount to be shown as the reading number of the scale mark ring. The pull unit (8) and the central channel are arranged coaxially, the pull unit moves in the axial direction of the central channel, so that the pull unit can pull the air passage copper tube to move axially when the cutting control member rotates, therefore, spiral-shaped thin grooves can be formed in the surface of the air channel, and the depth of the thin grooves can be controlled accurately.
Description
Technical field
The utility model relates to the manufacture field of electric locomotive pantograph sliding plate air flue, particularly, relates to the girdling device that forms the spirality stria in electric locomotive on a kind of outer surface of the pantograph pan air flue used.
Background technology
Pantograph pan is the critical component of electric locomotive safe operation.In the locomotive operation process, pantograph pan contacts with contact net and has a relative motion at a high speed, during constantly be subject to high speed impact and the frequent vibration of contact net.In order to ensure safe operation, electric locomotive adopts a kind of automatic bow-lowering system of pantograph, and its basic principle is that an air flue (usually adopting copper pipe) is set in slide plate, by air supply system, from pantograph, to it, supplies compressed air.When slide plate breaks, air flue is thereupon damaged, and compressed air leaks from the slide plate air flue, fast prompt drop bow valve will be got rid of the air in the pantograph lifting apparatus, realize fast prompt drop bow, that is to say, slide plate breaks and causes the air flue breakage, makes compressed air leakage, and automatic bow-lowering just can be realized.
In order to guarantee that the air flue copper pipe can rupture in time when slide plate breaks, the just radial cuts that keeps at a certain distance away on the outer surface of copper pipe goes out annular stria or form the spirality stria extended along its axial direction on the outer surface of copper pipe.Like this, when slide plate appearance cracking waits fortuitous event, the air flue copper pipe will disconnect in the weak location of these strias, and the air flue compressed air is revealed, and the automatic bow-lowering system produces automatic bow-lowering.
In prior art, for annular stria, can use common tubing girdling cutter to cut formation, and for the spirality stria, use common girdling cutter to be cut and have certain difficulty, rely on often processing staff's experience for many years and feel to carry out.In addition, the diameter of the copper pipe of air flue own is less, the copper pipe tube wall is thinner, therefore, even the personnel that the processing experience is very abundant also are difficult to when processing stria, accurately control the circumferential degree of depth of stria, guarantee that the circumferential degree of depth of stria is consistent, more be difficult to ensure that the circumferential degree of depth of all strias on the same copper pipe of card is all consistent; In addition, along with the raising that the electric locomotive safe operation requires, the air flue that this mode is processed has been difficult to meet the accurate demand of locomotive safety running.
The utility model content
Problem to be solved in the utility model is that the stria degree of depth on existing pantograph pan air flue is inconsistent, cause the problem that product percent of pass is low, thereby provide a kind of, can on the surface of air flue, also accurately control the pantograph pan air flue girdling device of the stria degree of depth by shaping spirality stria.
To achieve these goals, the utility model provides a kind of pantograph pan air flue girdling device, comprises
Rotating unit; The cutting control piece, with described rotating unit, be connected and the coaxial line rotation, and have along its axial direction extension for the central passage of placing the air flue copper pipe and the radial direction through hole be communicated with described central passage, there is graduated ring on the outer end face of described radial direction through hole, in described radial direction through hole, threaded engagement has the cutting tool that can move radially, the outer end of described cutting tool is corresponding with described graduated ring, its rotation depth of cut is presented as to the reading of described graduated ring; Pull unit, be coaxially set with described central passage, and move along the axial direction of described central passage, with when described cutting control piece rotates, pull described air flue copper pipe to move axially.
Described radial direction through hole comprises the first through hole and the second through hole radially inwardly set gradually, and the internal diameter of described the second through hole is less than the internal diameter of described the first through hole, to form the first flange; Described cutting tool comprises the first paragraph coordinated with described the first through hole, the second segment coordinated with described the second through hole, and the diameter of described second segment is less than the diameter of described first paragraph, to form the second flange; Be provided with the compression spring be sleeved on described second segment between described the first flange and the second flange.
Form external screw thread on described first paragraph, on described the first through hole, form the internal thread coordinated with described external screw thread.
The number range of described graduated ring is 0-1.15mm, and the numerical value progress is 0.05mm.
The end of described rotating unit is provided with a plurality of radially adjustable for clamping the first gripper jaw of described cutting control piece, and the described end that pulls unit is provided with a plurality of radially adjustable for clamping the second gripper jaw of described air flue copper pipe.
Described the first gripper jaw and described the second gripper jaw are three, and circumferentially uniform.
Technique scheme of the present utility model compared with prior art, has the following advantages:
Pantograph pan air flue girdling device of the present utility model, its cutting control piece is connected with rotating unit and can rotates simultaneously, and the air flue copper pipe that is arranged in central passage can axial movement under the pulling that pulls unit, simultaneously, cutting tool is mutually corresponding with graduated ring, so that its rotation depth of cut is presented as to the reading of graduated ring, thus can be on the surface of air flue shaping spirality stria, and accurately control the degree of depth of stria.
Pantograph pan air flue girdling device of the present utility model, also be provided with in its radial direction through hole and be sleeved on the compression spring that cutting tool is capable, thereby further assist the cutting tool withdrawing, simultaneously, due to the clamping action of compression spring to cutting tool, can prevent that cutting tool from, when cutting, axial wobble occurring.
Pantograph pan air flue girdling device of the present utility model, the number range of its graduated ring is 0-1.15mm, numerical value progress unit is 0.05mm, thereby can further accurately control the depth of cut of air flue stria.
The accompanying drawing explanation
For the content that makes utility model more easily is expressly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 means the structural representation of the pantograph pan air flue girdling device that the utility model specific embodiment provides;
Fig. 2 means the schematic diagram of the graduated ring of the pantograph pan air flue girdling device that the utility model specific embodiment provides.
Description of reference numerals
The 1-rotating unit, 2-cuts control piece, 3-air flue copper pipe, the 4-central passage, 5-radial direction through hole, 6-graduated ring, the 7-cutting tool, 8-pulls unit, the 9-compression spring, 51-the first through hole, 52-the second through hole, 53-the first flange, the 71-first paragraph, 72-second segment, 73-the second flange, 11-the first gripper jaw, 81-the second gripper jaw.
The specific embodiment
The pantograph pan air flue girdling device specific embodiment of the present utility model provided below in conjunction with accompanying drawing is elaborated.
As illustrated in fig. 1 and 2, the pantograph pan air flue girdling device that the utility model specific embodiment provides comprises rotating unit 1, cuts control piece 2 and pull unit 8, wherein,
Rotating unit 1 can be in transmission connection with extraneous motor (not shown), thereby drive cutting operating key 2 coaxial lines, rotates;
And pull unit 8 and described central passage 4 to be coaxially set, and move along the axial direction of described central passage 4, for example, can move axially along guide rail, with when described cutting control piece 2 rotates, pull described air flue copper pipe 3 to move axially.
Like this, cutting control piece 2 is connected with rotating unit and can rotates under it drives, and the air flue copper pipe 5 that is arranged in central passage 4 can axial movement under the pulling that pulls unit 8, simultaneously, cutting tool 7 is mutually corresponding with graduated ring 6, so that its rotation depth of cut is presented as to the reading of graduated ring 6, thus can be on the surface of air flue shaping spirality stria, and accurately control the degree of depth of stria.
In addition, after at cutting tool, completing cutting, further auxiliary cutting tool 7 withdrawings, prevent that cutting tool 7 from axial wobble occurring when cutting simultaneously, preferably, described radial direction through hole 5 comprises the first through hole 51 and the second through hole 52 radially inwardly set gradually, and the internal diameter of described the second through hole 52 is less than the internal diameter of described the first through hole 51, to form the first flange 53; Described cutting tool 7 comprise the first paragraph 71 that coordinates with described the first through hole 51, with the second segment 72 that described the second through hole 52 coordinates, the diameter of described second segment 72 is less than the diameter of described first paragraph 71, to form the second flange 73; Be provided with the compression spring 9 be sleeved on described second segment 72 between described the first flange 53 and the second flange 73, an end that is compression spring 9 withstands the first flange 53, the other end withstands the second flange 73, when cutting tool 7 screw thread feed, compression spring 9 will correspondingly be compressed, and makes compression spring 9 can further assist the cutting tool withdrawing, simultaneously, due to the clamping action of compression spring to cutting tool, can prevent that cutting tool from, when cutting, axial wobble occurring.
Further, on described first paragraph 71, form external screw thread, on described the first through hole 51, form the internal thread coordinated with described external screw thread.
In addition, in actual production, because the tube wall of the copper pipe as air flue is thinner, therefore, the number range of described graduated ring 6 is 0-1.15mm, and numerical value progress unit is 0.05mm, i.e. pitch of the every precession of cutting tool 7, the reading of graduated ring 6 just increases 0.05mm, thereby can further accurately control the depth of cut of air flue stria.
Further, as shown in Figure 1, cutting control piece 2 can be fixedly attached to the end of rotating unit 1, it is a plurality of radially adjustable for clamping the first gripper jaw 11 of described cutting control piece 2 to be that the end of described rotating unit 1 is provided with, and the described end that pulls unit 8 is provided with a plurality of radially adjustable for clamping the second gripper jaw 81 of described air flue copper pipe 3.
Consider the stability of clamping, preferably, described the first gripper jaw 11 and described the second gripper jaw 81 are three, and circumferentially uniform, become each other 120 ° of intervals to arrange.
In addition, rotating unit 1 and pull unit 8 can select the triangle chuck on lathe.
Below describe the course of work of pantograph pan air flue girdling device of the present utility model in detail:
To cut operating key 2 is fixedly mounted on rotating unit 1, for example, by the first gripper jaw 11, be fixedly mounted on the chuck of lathe, air flue copper pipe 3 is inserted in central through hole 4, owing to thering is small gap between the two, therefore, air flue copper pipe 3 can move in central through hole 4, simultaneously, the other end of air flue copper pipe 3 is fixedly connected to and pulls unit 8 by the second gripper jaw 81, make rotating unit 1, cutting control piece 2 and pull unit 8 coaxial lines to arrange; Then, spiral is adjusted cutting tool 7, the cutter head of its front end is cut in the tube wall of air flue copper pipe 3, and cuts the required degree of depth according to the reading of graduated ring, makes to pull between unit 8 and cutting control piece 2 to have gap; Finally, rotating unit 1 is at power source, for example under the drive of motor, rotate, and drive cutting control piece 2 and 7 rotations of the cutting tool on it, simultaneously, pull unit 8 to pull air flue copper pipe 3 to move axially, can on the surface of air flue copper pipe 3, form the spirality stria, because the rotation depth of cut of cutting tool 7 is presented as the reading of graduated ring 6, therefore, can accurately control the degree of depth of stria, and the final carbon slide plate air flue copper pipe that meets electric locomotive safe operation requirement that improves.
Obviously, above-described embodiment is only for example clearly is described, is not the restriction to embodiment.Concerning those of ordinary skill in the field, also can make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And among the protection domain that the apparent variation of being extended out thus or change are still created in the utility model.
Claims (6)
1. a pantograph pan air flue girdling device, is characterized in that, comprises
Rotating unit (1);
Cutting control piece (2), with described rotating unit (1), be connected and the coaxial line rotation, and have along its axial direction extension for the central passage (4) of placing air flue copper pipe (3) and the radial direction through hole (5) be communicated with described central passage (4), there is graduated ring (6) on the outer end face of described radial direction through hole (5), in described radial direction through hole (5), threaded engagement has the cutting tool (7) that can move radially, the outer end of described cutting tool (7) is corresponding with described graduated ring (6), so that its rotation depth of cut is presented as to the reading of described graduated ring (6),
Pull unit (8), be coaxially set with described central passage (4), and move along the axial direction of described central passage (4), with when described cutting control piece (2) rotates, pull described air flue copper pipe (3) to move axially.
2. pantograph pan air flue girdling device according to claim 1, it is characterized in that, described radial direction through hole (5) comprises the first through hole (51) and the second through hole (52) radially inwardly set gradually, the internal diameter of described the second through hole (52) is less than the internal diameter of described the first through hole (51), to form the first flange (53);
Described cutting tool (7) comprises the first paragraph (71) coordinated with described the first through hole (51), the second segment (72) coordinated with described the second through hole (52), the diameter of described second segment (72) is less than the diameter of described first paragraph (71), to form the second flange (73);
Be provided with the compression spring (9) be sleeved on described second segment (72) between described the first flange (53) and the second flange (73).
3. pantograph pan air flue girdling device according to claim 2, is characterized in that, described first paragraph forms external screw thread on (71), on described the first through hole (51), forms the internal thread coordinated with described external screw thread.
4. pantograph pan air flue girdling device according to claim 1, is characterized in that, the number range of described graduated ring (6) is 0-1.15mm, and numerical value progress unit is 0.05mm.
5. pantograph pan air flue girdling device according to claim 1, it is characterized in that, the end of described rotating unit (1) is provided with a plurality of radially adjustable for clamping first gripper jaw (11) of described cutting control piece (2), and the described end that pulls unit (8) is provided with a plurality of radially adjustable for clamping second gripper jaw (81) of described air flue copper pipe (3).
6. pantograph pan air flue girdling device according to claim 5, is characterized in that, described the first gripper jaw (11) and described the second gripper jaw (81) are three, and circumferentially uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203834383U CN203330491U (en) | 2013-06-28 | 2013-06-28 | Air passage ring cutting device of pantograph slide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203834383U CN203330491U (en) | 2013-06-28 | 2013-06-28 | Air passage ring cutting device of pantograph slide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203330491U true CN203330491U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203834383U Expired - Lifetime CN203330491U (en) | 2013-06-28 | 2013-06-28 | Air passage ring cutting device of pantograph slide plate |
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| Country | Link |
|---|---|
| CN (1) | CN203330491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405973A (en) * | 2018-06-01 | 2018-08-17 | 大同新成新材料股份有限公司 | A kind of pantograph pan air flue girdling device and method |
| CN110548923A (en) * | 2019-09-19 | 2019-12-10 | 大同新成新材料股份有限公司 | Intelligent girdling device for air passage of pantograph slide plate |
-
2013
- 2013-06-28 CN CN2013203834383U patent/CN203330491U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405973A (en) * | 2018-06-01 | 2018-08-17 | 大同新成新材料股份有限公司 | A kind of pantograph pan air flue girdling device and method |
| CN110548923A (en) * | 2019-09-19 | 2019-12-10 | 大同新成新材料股份有限公司 | Intelligent girdling device for air passage of pantograph slide plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100025, room 4, floor 41, No. 418 East Fourth Ring Road, Beijing, Chaoyang District Patentee after: VANGUARD (BEIJING) TECHNOLOGY JOINT STOCK LTD. Address before: 100025, room 4, floor 41, No. 418 East Fourth Ring Road, Beijing, Chaoyang District Patentee before: VANGUARD (BEIJING) TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |