CN219684667U - Clamp for milling outer wall of high-power locomotive axle-hanging box body - Google Patents
Clamp for milling outer wall of high-power locomotive axle-hanging box body Download PDFInfo
- Publication number
- CN219684667U CN219684667U CN202320961903.0U CN202320961903U CN219684667U CN 219684667 U CN219684667 U CN 219684667U CN 202320961903 U CN202320961903 U CN 202320961903U CN 219684667 U CN219684667 U CN 219684667U
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- China
- Prior art keywords
- axle
- box body
- holding box
- wall
- tensioning assembly
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- 238000003801 milling Methods 0.000 title claims abstract description 17
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of clamps, and particularly discloses a clamp for milling an outer wall of a box body of an axle-hanging box of a high-power locomotive, which comprises a base, wherein two groups of support assemblies are in sliding fit on the base; the outer side of one end of the length direction of the axle-holding box body on the base is connected with a servo motor through a rack, an output shaft of the servo motor is fixedly connected with a first tensioning assembly which is used for pressing the inner wall of one bearing installation part of the axle-holding box body, the first tensioning assembly is coaxially and fixedly connected with a second tensioning assembly through a rotating shaft, and the second tensioning assembly is used for pressing the inner wall of the other bearing installation part of the axle-holding box body. Compared with the prior art, the milling machine can realize the whole milling of the side wall of the whole body of the axle-holding box body with relatively long length.
Description
Technical Field
The utility model relates to a machining clamp, in particular to a clamp for milling the outer wall of a high-power locomotive axle-hanging box body.
Background
The locomotive axle-holding box is a main accessory in an electric locomotive bogie driving mechanism, plays a role in protecting axle lubrication, providing a mounting foundation for a power motor and the like, and has high requirements on usability and safety performance, and the structure of a product is complex. The common axle-holding box is shown in fig. 1, generally comprises a box body and bearing installation parts 1.1 at two end surfaces of the box body, wherein reinforcing ribs 1.2, 2 supporting seats 1.3, two installation planes 1.4 and the like are arranged on the outer wall of the box body, and the axle-holding box belongs to thin-wall special-shaped pieces. In the prior art, a vertical clamp is generally adopted, a shaft holding box is vertically placed, a bearing installation part is used as a reference surface, a mode of stretching out from the center of the shaft holding box and compressing is adopted to compress the top of the shaft holding box in the vertical direction, and another compressing assembly is arranged on two opposite sides of the shaft holding box to compress the shaft holding box in the horizontal direction, as the shaft holding box clamp disclosed in CN 2019206691158. The vertical clamp is suitable for machining end face milling, oil filling holes, sensor holes and the like of the bearing installation part of the axle-hanging box body, which is short in length and good in rigidity, but cannot finish all milling of the side wall of the whole axle-hanging box body after one-time clamping.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the clamp for milling the outer wall of the high-power locomotive axle-holding box body, which has reasonable structural design, and can mill the side wall of the whole body of the axle-holding box body, finish the excircle of the bearing mounting parts at two ends and the like.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the fixture for milling the outer wall of the axle-holding box body of the high-power locomotive comprises a base, and is characterized in that two groups of support assemblies are slidably matched on the base, each group of support assemblies is positioned on two sides of one end of the axle-holding box body in the length direction, and a horizontal plane positioning block is connected to the position, corresponding to the installation plane of the axle-holding box, of each group of support assemblies; the outer side of one end of the length direction of the axle-holding box body on the base is connected with a servo motor through a rack, an output shaft of the servo motor is fixedly connected with a first tensioning assembly which is used for pressing the inner wall of one bearing installation part of the axle-holding box body, the first tensioning assembly is coaxially and fixedly connected with a second tensioning assembly through a rotating shaft, and the second tensioning assembly is used for pressing the inner wall of the other bearing installation part of the axle-holding box body.
Preferably, the first tensioning assembly and the second tensioning assembly comprise a mounting disc, automatic telescopic rods and compression anti-slip blocks, wherein at least more than two automatic telescopic rods are fixedly connected to the mounting disc, all the automatic telescopic rods radially extend outwards along the mounting disc, and the end part of each automatic telescopic rod is fixedly connected with the compression anti-slip block.
Preferably, each group of supporting components comprises two movable supporting blocks and a linear driving power source for driving each supporting block to move towards or away from the corresponding two supporting blocks; the bottom of each supporting block is fixedly connected with a sliding block, and correspondingly, a sliding groove is formed in the base and corresponds to the moving direction of the supporting block; an arc groove is formed in the top of each supporting block, and two corresponding supporting block arc grooves form an axle-hanging box body supporting semicircular arc groove when being combined; a horizontal plane positioning block is fixedly connected to the top of each supporting block and positioned on the outer side of the arc-shaped groove. The support assembly is designed to be movable, so that the support assembly is convenient to prevent the support assembly from obstructing the rotation of the mounting plane part on the axle-holding box body when the axle-holding box body rotates.
Compared with the prior art, the utility model has the following beneficial effects:
according to the horizontal type axle-holding box body, horizontal support and axial limiting of the axle-holding box body are achieved through the two groups of support assemblies, bearing installation parts at two ends of the axle-holding box body are tightly pressed through the first tensioning assembly and the second tensioning assembly, and the axle-holding box body can be driven to rotate 180 degrees through the servo motor, so that milling of different sides of the axle-holding box body is achieved. Compared with the prior art, milling of the side wall of the whole body of the axle-holding box body with relatively long length can be realized, and all milling of the side wall of the whole body of the axle-holding box body can be completed in a rotating mode.
Drawings
FIG. 1 is a schematic diagram of a prior art axle-holding box body structure;
FIG. 2 is a schematic diagram of an end face structure of a box body of a shaft-holding box in the prior art;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a schematic view of a support assembly according to the present utility model;
FIG. 5 is a schematic diagram of the front structure of the present utility model after clamping the axle housing box;
FIG. 6 is a schematic diagram of an end face structure of an end face of the axle housing box body after clamping;
the device comprises a base, 1.1, a bearing installation part, 1.2, a reinforcing rib, 1.3, a supporting seat, 1.4, an installation plane, 2, a supporting component, 2.1, a supporting block, 2.2, a linear driving power source, 2.3, a semicircular arc groove, 2.4, a horizontal plane positioning block, 3, a first tensioning component, 4, a second tensioning component, 5, a servo motor, 6, a holding shaft box body, 7, a mounting disc, 7.1, a sleeve, 8, an automatic telescopic rod, 9, a compression non-slip block, 10, a rotating shaft, 11, a fixed frame, 12 and a movable frame.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Herein, terms concerning the connection, such as "fixedly attached", "attached" are carried out in a conventional manner, such as specifically bolting or flange attachment or threading or welding, etc.; terms concerning orientation such as "front", "rear", "left" and "right" are mainly used for illustration and convenience of description.
As shown in figures 1-3, the clamp for milling the outer wall of the box body of the axle-hanging box of the high-power locomotive comprises a base 1, a supporting component 2, a first tensioning component 3, a second tensioning component 4 and a servo motor 5. The supporting components 2 are arranged in two groups and distributed along the long-length direction of the clamping of the axle-holding box body 6, each group of supporting components 2 comprises two movable supporting blocks 2.1 and linear driving power sources 2.2, the linear driving power sources 2.2 can adopt telescopic cylinders, electric telescopic rods and the like in the prior art, the free end of each linear driving power source 2.2 is fixedly connected with one supporting block 2.1, an arc-shaped groove is formed in one side of the top of each supporting block 2.1, a sliding block is fixedly connected with the bottom of each supporting block 2.1, correspondingly, sliding grooves for the corresponding two supporting blocks 2.1 to move towards each other are formed in the position corresponding to the top of the base 1, the two sliding grooves of each group of supporting components 2 are oppositely arranged and are respectively distributed on two sides of one end of the clamping long-length direction of the axle-holding box body 6, the corresponding two supporting blocks 2.1 are driven to move synchronously through the two linear driving power sources 2.2 in each group of supporting components 2, and are driven to move close to each other until the maximum position, and the two supporting blocks are correspondingly connected with one another, and the two supporting blocks are correspondingly arranged at the position corresponding positions corresponding to the two supporting blocks to the arc-holding box body 6, and the two supporting blocks are arranged at the position corresponding to the position corresponding supporting blocks are close to one end of the arc-holding box body 6, and the arc-holding box body is arranged at the position corresponding to the position of the supporting blocks 6. The top of each supporting block 2.1 is fixedly connected with a horizontal plane positioning block 2.4 for supporting and positioning the installation plane parts on the axle-holding box body 6, and when the axle-holding box body 6 is clamped, the two installation plane parts of the axle-holding box body 6 are supported on the four horizontal plane positioning blocks 2.4. After clamping, the two bearing mounting portions of the axle-holding box body 6 are located on the outer sides of the two groups of support assemblies 2 (the opposite sides of the two groups of support assemblies are called inner sides, the opposite sides are called outer sides, and the following is the same), and the 2 supporting seats on the axle-holding box body 6 are also located on the outer sides of one group of support assemblies 2.
A fixed frame 11 is fixedly connected to the top of the base 1 and positioned at the outer side of one group of the supporting components 2, a servo motor 5 is fixedly connected to the corresponding position of the inner side of the fixed frame 11, and an output shaft of the servo motor 5 is fixedly connected to the central position of the outer side of the mounting plate 7 of the first tensioning component 3; a movable frame 12 is in sliding fit with the top of the base 1 and is opposite to the fixed frame 11, the sliding track of the movable frame 12 is L-shaped, and when the movable frame 12 slides to a proper position, the movable frame 12 is connected with the base 11 through bolts so as to fix the corresponding position of the movable frame 12; a supporting shaft is rotatably connected to the inner side of the movable frame 12 and at a position coaxial with the output shaft of the servo motor 5 through a bearing seat, and the other end of the supporting shaft is inserted into the central position of the outer side of the mounting disc 7 of the second tensioning assembly 4.
The first tensioning assembly 3 and the second tensioning assembly 4 have the same structure, and the only difference is that a sleeve 7.1 for inserting a supporting shaft on the movable frame 12 is fixedly connected to the center of the outer side of the mounting plate 7 of the second tensioning assembly 4. The first tensioning assembly 3 and the second tensioning assembly 4 are coaxially and fixedly connected through a rotating shaft 10. The first tensioning component 3 and the second tensioning component 4 comprise mounting plates 7, automatic telescopic rods 8 and compression anti-slip blocks 9, wherein the mounting plates 7 are of a disc structure, four automatic telescopic rods 8 are uniformly and fixedly connected to the outer side of each mounting plate 7, the four automatic telescopic rods 8 are surrounded on the periphery of the outer side center of the mounting plate 7, the automatic telescopic rods 8 can adopt electric telescopic rods or telescopic cylinders in the prior art, each automatic telescopic rod 8 stretches and contracts along the radial direction of the corresponding mounting plate 7, the four automatic telescopic rods 8 on each mounting plate 7 synchronously act, the compression anti-slip blocks 9 are fixedly connected to the free ends of each automatic telescopic rod 8, and each four compression anti-slip blocks 9 (made of plastic materials) are tightly attached to the inner wall of any bearing mounting part of the axle-holding box body 6 under the action of each automatic telescopic rod 8, and the axle-holding box body 6 is prevented from rotating randomly by friction force between the four automatic telescopic rods.
When the movable frame 12 is used, firstly, the support assemblies 2 close to the side of the movable frame 12 are moved away, the first tensioning assembly 3 and the second tensioning assembly 4 retract to the minimum, then, after the inner hole of the axle-holding box body 6 to be processed passes through the first tensioning assembly 3 and the second tensioning assembly 4, the first tensioning assembly 3 is tensioned to the maximum, the other support assembly 2 is also moved away, the horizontal state of the axle-holding box body 6 is adjusted, then, the movable frame 12 is moved, the movable frame 12 is inserted in the sleeve 7.1 aligned with the mounting disc of the second tensioning assembly 4, the second tensioning assembly 4 is tensioned to the maximum, the movable frame 12 is fixed, and the clamping is completed. In the processing process, when the turnover is needed, only the two groups of support assemblies 2 are required to be moved away until the rotation of the installation plane part on the axle-bearing box body 6 is not blocked, and after the rotation of 180 degrees, the two groups of support assemblies 2 are gathered together to realize the support.
Claims (3)
1. The fixture for milling the outer wall of the axle-holding box body of the high-power locomotive comprises a base, and is characterized in that two groups of support assemblies are slidably matched on the base, each group of support assemblies is positioned on two sides of one end of the axle-holding box body in the length direction, and a horizontal plane positioning block is connected to the position, corresponding to the installation plane of the axle-holding box, of each group of support assemblies; the outer side of one end of the length direction of the axle-holding box body on the base is connected with a servo motor through a rack, an output shaft of the servo motor is fixedly connected with a first tensioning assembly which is used for pressing the inner wall of one bearing installation part of the axle-holding box body, the first tensioning assembly is coaxially and fixedly connected with a second tensioning assembly through a rotating shaft, and the second tensioning assembly is used for pressing the inner wall of the other bearing installation part of the axle-holding box body.
2. The fixture for milling an outer wall of a high-power locomotive axle suspension box body according to claim 1, wherein the first tensioning assembly and the second tensioning assembly comprise a mounting plate, automatic telescopic rods and compression anti-slip blocks, wherein at least more than two automatic telescopic rods are fixedly connected to the mounting plate, all the automatic telescopic rods extend outwards along the radial direction of the mounting plate, and a compression anti-slip block is fixedly connected to the end part of each automatic telescopic rod.
3. The fixture for milling the outer wall of the axle box of the high-power locomotive according to claim 1 or 2, wherein each group of supporting components comprises two movable supporting blocks and a linear driving power source for driving each supporting block to move towards or away from each other between the corresponding two supporting blocks; the bottom of each supporting block is fixedly connected with a sliding block, and correspondingly, a sliding groove is formed in the base and corresponds to the moving direction of the supporting block; an arc groove is formed in the top of each supporting block, and two corresponding supporting block arc grooves form an axle-hanging box body supporting semicircular arc groove when being combined; a horizontal plane positioning block is fixedly connected to the top of each supporting block and positioned on the outer side of the arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320961903.0U CN219684667U (en) | 2023-04-25 | 2023-04-25 | Clamp for milling outer wall of high-power locomotive axle-hanging box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320961903.0U CN219684667U (en) | 2023-04-25 | 2023-04-25 | Clamp for milling outer wall of high-power locomotive axle-hanging box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684667U true CN219684667U (en) | 2023-09-15 |
Family
ID=87940388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320961903.0U Active CN219684667U (en) | 2023-04-25 | 2023-04-25 | Clamp for milling outer wall of high-power locomotive axle-hanging box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684667U (en) |
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2023
- 2023-04-25 CN CN202320961903.0U patent/CN219684667U/en active Active
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