CN220304736U - Hammer shaft assembly dynamic balance and test rotating machine - Google Patents
Hammer shaft assembly dynamic balance and test rotating machine Download PDFInfo
- Publication number
- CN220304736U CN220304736U CN202321977157.0U CN202321977157U CN220304736U CN 220304736 U CN220304736 U CN 220304736U CN 202321977157 U CN202321977157 U CN 202321977157U CN 220304736 U CN220304736 U CN 220304736U
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- hammer shaft
- shaft assembly
- positioning frame
- dynamic balance
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to the technical field of dynamic balance, in particular to a dynamic balance and test turning machine of a hammer shaft assembly, which comprises a frame body, a positioning frame I and a positioning frame II, wherein the positioning frame I is fixedly arranged on the frame body; the upper ends of the positioning frame I and the positioning frame II are respectively provided with a fixing structure matched with bearing seats at two ends of the hammer shaft assembly; one side of the positioning frame I, which is far away from the positioning frame II, is provided with a positioning frame III, and the positioning frame III is provided with a driven belt pulley for driving the hammer shaft assembly to rotate; the frame body is provided with a dynamic balance detection mechanism for detecting the state of the hammer shaft assembly. The device is suitable for dynamic balance test of the assembly with the bearing seat, and can meet different stipulations of hammer shaft assemblies by arranging the movable locating frame II, so that the waste of manpower, materials and storage space caused by manufacturing special tools is avoided.
Description
Technical Field
The utility model relates to the technical field of dynamic balance, in particular to a dynamic balance and rotation testing machine for a hammer shaft assembly.
Background
The center of mass of the hammer shaft assembly of the hammer crusher for the crossheading is not coincident with the center of rotation for various reasons and is subject to vibration due to centrifugal force. When the vibration exceeds a certain value, the use precision of equipment can be seriously affected, and the service life of the bearing is shortened. The hammer shaft assembly has severe use conditions, the working rotating speed of the hammer shaft assembly is 360-420r/min, the hammer shaft assembly runs at high speed in the use process and bears the strong impact effect, and the requirement on dynamic balance offset is high.
At present, a hammer shaft assembly serving as an independent accessory cannot be installed for trial rotation and dynamic balance test due to the fact that a frame body or a transmission device is not arranged. For such hammer shaft assemblies, manual turning tests have long been available, violating the test requirements. Meanwhile, the hammer shaft assembly can not be normally installed and used after being in an ore, unbalance can lead to heating burning loss or service life reduction of parts such as a bearing and a seal, various problems such as large noise, oil leakage, deformation of a frame body and the like can be caused, underground replacement is difficult after damage, and meanwhile, great potential safety hazards exist.
Therefore, it is necessary to design a detection device instead of a manual turn-around test.
Disclosure of Invention
In order to overcome the defects in the prior art, the dynamic balance and test machine for the hammer shaft assembly is simple in structure, high in reliability and used for a frame-free and transmission hammer shaft assembly.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the dynamic balance and test turning machine for the hammer shaft assembly comprises a frame body, a positioning frame I and a positioning frame II, wherein the positioning frame I is fixedly arranged on the frame body, the positioning frame II is arranged on one side of the positioning frame I and is in sliding connection with the frame body, and a driving oil cylinder for adjusting the distance between the positioning frame II and the positioning frame I is arranged between the positioning frame II and the frame body; the upper ends of the positioning frame I and the positioning frame II are respectively provided with a fixing structure matched with bearing seats at two ends of the hammer shaft assembly;
one side of the locating rack I, which is far away from the locating rack II, is provided with a locating rack III, and the locating rack III is provided with a driven belt pulley for driving the hammer shaft assembly to rotate;
the frame body is provided with a dynamic balance detection mechanism for detecting the state of the hammer shaft assembly.
Further, the device also comprises a driving belt pulley, wherein the frame body is provided with a mounting frame, the driving belt pulley is rotatably arranged on the mounting frame, and the driving belt pulley is connected with the driven belt pulley through a belt;
the driving belt pulley is connected with a driving motor.
Further, the driving belt pulley is connected with the mounting frame through a rotating shaft I, and a bearing is arranged between the rotating shaft I and the mounting frame;
the driving motor is arranged on the mounting frame and is connected with the rotating shaft I through a coupling.
Further, the mounting frame is in sliding connection with the frame body, and a screw nut mechanism for adjusting the axial distance between the driving belt pulley and the driven belt pulley is arranged between the mounting frame and the frame body.
Further, locating rack I and/or locating rack II include mount table and briquetting, and the briquetting sets up in the mount table upper end, and the briquetting is provided with matched with semicircle groove respectively with the one end that the mount table is close to each other, and the briquetting cooperates with the mount table to form the mounting hole that carries out the fixing to the bearing frame.
Further, the driven pulley is rotatably arranged on the positioning frame III through the rotating shaft II, a short shaft connecting disc fixed with the rotating shaft II in the circumferential direction is arranged on the rotating shaft II, and one side, far away from the rotating shaft II, of the short shaft connecting disc is provided with a hammer shaft connecting disc for connecting a hammer shaft assembly.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device is suitable for dynamic balance test of the assembly with the bearing seat, and can meet different specified hammer shaft assemblies by arranging the movable locating frame II, so that the waste of manpower, materials and storage space caused by manufacturing special tools is avoided.
2. The utility model can be used for testing the working state of the product and the performance of the product by long-time test and rotation simulation besides dynamic balance test. Simple structure, high reliability, convenient installation and use, stable and safe operation and long-term repeated use.
Drawings
The following detailed description of the utility model will be given with reference to the accompanying drawings.
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic diagram of the structure of a positioning frame I;
FIG. 3 is a schematic top view of the present utility model;
fig. 4 is a schematic structural view of the mounting frame.
In the figure: the device comprises a 1-frame body, a 2-positioning frame I, a 21-mounting table, a 22-pressing block, a 23-semicircular groove, a 3-positioning frame II, a 4-driving oil cylinder, a 5-hammer shaft assembly, a 6-positioning frame III, a 61-driven belt pulley, a 62-driving belt pulley, a 63-driving motor, a 64-rotating shaft I, a 65-coupling, a 66-rotating shaft II, a 67-short shaft connecting disc, a 68-hammer shaft connecting disc, a 7-mounting frame, a 71-bearing and a 72-screw nut mechanism.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in FIGS. 1 to 4, the dynamic balance and test turning machine for the hammer shaft assembly comprises a frame body 1, a positioning frame I2, a positioning frame II 3 and a positioning frame III 6, wherein the positioning frame I2, the positioning frame II 3 and the positioning frame III 6 are arranged on the frame body 1, and the positioning frame II 3 and the positioning frame III 6 are respectively arranged on the left side and the right side of the positioning frame I2.
The locating rack I2 links firmly with support body 1, locating rack II 3 and support body 1 sliding connection are provided with the actuating cylinder 4 of adjusting locating rack II 3 and locating rack I2 interval between locating rack II 3 and the support body 1, locating rack I2 and locating rack II 3 all include mount table 21 and briquetting 22, briquetting 22 sets up in the mount table 21 upper end, briquetting 22 is provided with matched with semicircle groove 23 with the one end that mount table 21 is close to each other respectively, two semicircle grooves 23 cooperation forms the mounting hole that carries out the fixation to the bearing.
Bearing seats at two ends of the hammer shaft assembly 5 are respectively arranged at the upper ends of the locating rack I2 and the locating rack II 3 and are fixed, and the locating rack II 3 is driven to slide by the driving oil cylinder 4, so that the hammer shaft assembly is applicable to hammer shaft assemblies with different lengths.
Be provided with the driven pulley 61 that drives hammer shaft subassembly 5 pivoted on locating rack III 6, driven pulley 61 rotates through pivot II 66 to set up on locating rack III 6, is provided with the minor axis connection pad 67 with pivot II 66 circumference fixed on the pivot II 66, for being connected with the hammer shaft subassembly, one side that minor axis connection pad 67 kept away from pivot II 66 is provided with hammer shaft connection pad 68, is connected and circumference fixed with the hammer shaft subassembly through hammer shaft connection pad 68.
In order to realize automatic detection, the driven pulley 61 is connected with the driving pulley 62 through the belt, is provided with the mounting bracket 7 on the support body 1, and the driving pulley 62 is connected with the mounting bracket 7 through pivot I64, is provided with bearing 71 between pivot I64 and the mounting bracket 7, and driving motor 63 sets up on the mounting bracket 7 and passes through the shaft coupling 65 with pivot I64 and be connected.
The driving belt pulley 62 is driven to rotate by the driving motor 63, and then the driven belt pulley 61 and the hammer shaft assembly are driven to rotate by the belt, so that the test rotation of the hammer shaft assembly is realized.
The frame body 1 is provided with a dynamic balance detection mechanism for detecting the state of the hammer shaft assembly, and the dynamic balance detection mechanism adopts the prior art.
In order to facilitate tensioning of the belt, the mounting frame 7 is slidably connected with the frame body 1, a screw nut mechanism 72 for adjusting the axial distance between the driving pulley 62 and the driven pulley 61 is arranged between the mounting frame 7 and the frame body 1, and the screw nut mechanism 72 is of the conventional technology.
The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a hammer shaft subassembly dynamic balance and test machine which characterized in that: the positioning device comprises a frame body (1), a positioning frame I (2) and a positioning frame II (3), wherein the positioning frame I (2) is fixedly arranged on the frame body (1), the positioning frame II (3) is arranged on one side of the positioning frame I (2) and is in sliding connection with the frame body (1), and a driving oil cylinder (4) for adjusting the distance between the positioning frame II (3) and the positioning frame I (2) is arranged between the positioning frame II (3) and the frame body (1); the upper ends of the positioning frame I (2) and the positioning frame II (3) are respectively provided with a fixing structure matched with bearing seats at two ends of the hammer shaft assembly (5);
one side of the locating frame I (2) far away from the locating frame II (3) is provided with a locating frame III (6), and the locating frame III (6) is provided with a driven belt pulley (61) for driving the hammer shaft assembly (5) to rotate;
the frame body (1) is provided with a dynamic balance detection mechanism for detecting the state of the hammer shaft assembly.
2. The hammer shaft assembly dynamic balance and test machine of claim 1, wherein: the novel belt conveyor device is characterized by further comprising a driving belt pulley (62), wherein the frame body (1) is provided with a mounting frame (7), the driving belt pulley (62) is rotatably arranged on the mounting frame (7), and the driving belt pulley (62) is connected with the driven belt pulley (61) through a belt;
the driving pulley (62) is connected with a driving motor (63).
3. The hammer shaft assembly dynamic balance and test machine of claim 2, wherein: the driving belt pulley (62) is connected with the mounting frame (7) through a rotating shaft I (64), and a bearing (71) is arranged between the rotating shaft I (64) and the mounting frame (7);
the driving motor (63) is arranged on the mounting frame (7) and is connected with the rotating shaft I (64) through a coupler (65).
4. A hammer shaft assembly dynamic balance and test machine according to claim 3, wherein: the mounting frame (7) is in sliding connection with the frame body (1), and a screw nut mechanism (72) for adjusting the axial distance between the driving belt pulley (62) and the driven belt pulley (61) is arranged between the mounting frame (7) and the frame body (1).
5. The hammer shaft assembly dynamic balance and test machine of claim 1, wherein: the locating rack I (2) and/or locating rack II (3) include mount table (21) and briquetting (22), and briquetting (22) set up in mount table (21) upper end, and briquetting (22) are provided with matched with semicircle groove (23) respectively with the one end that mount table (21) is close to each other, and briquetting (22) and mount table (21) cooperation form the mounting hole that carries out the fixed bearing seat.
6. The hammer shaft assembly dynamic balance and test machine of claim 1, wherein: the driven pulley (61) rotates through pivot II (66) to be set up on locating rack III (6), be provided with on pivot II (66) with pivot II (66) circumference fixed minor axis connection pad (67), one side that pivot II (66) were kept away from to minor axis connection pad (67) is provided with hammer shaft connection pad (68) that are used for connecting hammer shaft subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321977157.0U CN220304736U (en) | 2023-07-26 | 2023-07-26 | Hammer shaft assembly dynamic balance and test rotating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321977157.0U CN220304736U (en) | 2023-07-26 | 2023-07-26 | Hammer shaft assembly dynamic balance and test rotating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304736U true CN220304736U (en) | 2024-01-05 |
Family
ID=89376006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321977157.0U Active CN220304736U (en) | 2023-07-26 | 2023-07-26 | Hammer shaft assembly dynamic balance and test rotating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304736U (en) |
-
2023
- 2023-07-26 CN CN202321977157.0U patent/CN220304736U/en active Active
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