CN213091069U - Dynamic balance measuring device for balance shaft of engine - Google Patents
Dynamic balance measuring device for balance shaft of engine Download PDFInfo
- Publication number
- CN213091069U CN213091069U CN202021935067.1U CN202021935067U CN213091069U CN 213091069 U CN213091069 U CN 213091069U CN 202021935067 U CN202021935067 U CN 202021935067U CN 213091069 U CN213091069 U CN 213091069U
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- balance
- block
- measuring device
- engine
- pressing
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- 238000003825 pressing Methods 0.000 claims abstract description 45
- 238000005259 measurement Methods 0.000 abstract description 8
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- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses an engine balance shaft dynamic balance measuring device, include: a drive mechanism; the balance mechanism comprises a connecting block, a supporting seat, a supporting column and a balance block, the balance mechanism is connected with the driving mechanism through the connecting block, and the driving mechanism drives the connecting block to rotate; the supporting seat is connected to the connecting block, the supporting column is arranged on the supporting seat, and the balance block is arranged on one side of the supporting seat; the pressing mechanism comprises a pressing cylinder, a connecting plate, a pressing roller and a fixed seat, and the pressing roller is connected to the pressing cylinder through the connecting plate; the positioning mechanism comprises a positioning plate, a guide rail and a rapid remodeling positioning block, the guide rail is arranged on the positioning plate, and the rapid remodeling positioning block is arranged on the guide rail. In this way, the utility model discloses can effectively solve the impact that the intrinsic unbalance amount of unbalanced part brought to the bearing, effectively improve the balance measurement effect of axle type product to can guarantee to measure the precision.
Description
Technical Field
The utility model relates to a dynamic balance measures technical field, especially relates to an engine balance shaft dynamic balance measuring device.
Background
The existing horizontal balancing machine adopts a bearing supporting mode to measure the dynamic balance of the rotor, and has the advantages of high stability and high accuracy for parts with smaller rotor balance. However, in the measurement process of a special shaft product (similar to a balance shaft) with static balance, on one hand, the pressure impact caused by a large unbalance amount in the production process can aggravate the abrasion of a bearing support, so that the stability of balance equipment is poor; on the other hand, for the unbalance correction, a virtual theoretical unbalance value needs to be added inside the system to resolve the unbalance value beyond the tolerance range, wherein a special angle metric value cannot be resolved and is discarded.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an engine balance shaft dynamic balance measuring device, can effectively solve the impact that the intrinsic unbalance amount of unbalanced part brought the bearing.
In order to achieve the above object, the technical solution of the present invention is:
an engine balance shaft dynamic balance measurement device comprising:
a drive mechanism;
the balance mechanism comprises a connecting block, a supporting seat, a supporting column and a balance block, the balance mechanism is connected with the driving mechanism through the connecting block, and the driving mechanism drives the connecting block to rotate; the supporting seat is connected to the connecting block, the supporting column is arranged on the supporting seat, and the balance block is arranged on one side of the supporting seat;
the pressing mechanism comprises a pressing cylinder, a connecting plate and a pressing roller, and the pressing roller is connected to the pressing cylinder through the connecting plate;
the positioning mechanism comprises a positioning plate, a guide rail and a quick-changing positioning block, the guide rail is arranged on the positioning plate, and the quick-changing positioning block is arranged on the guide rail.
Preferably, actuating mechanism includes motor, action wheel and follows the driving wheel, motor drive action wheel rotates, follow driving wheel and action wheel and pass through the belt and be connected, balance mechanism sets up follow driving wheel is last.
Preferably, the diameter of the driven wheel is larger than that of the driving wheel.
Preferably, the balance mechanism further comprises a fixing frame and a fixing block, the fixing frame is arranged on the balance block, the fixing block is arranged on the fixing frame, and a fixing groove is formed in the fixing block.
Preferably, the pressing mechanism further comprises a fixed seat, the pressing roller is located above the fixed frame, and the balance shaft is located between the pressing roller and the fixed frame; the connecting plate sets up on the fixing base, the connecting plate rotates with the fixing base to be connected.
Preferably, the pressing mechanism further comprises a spring, and the spring is arranged between the connecting plate and the fixed seat.
Preferably, a supporting groove is formed in the supporting column, and the fixing frame penetrates through the supporting column through the supporting groove.
Preferably, the balance block is in a long strip shape, and two ends of the balance block are provided with convex blocks which are connected with the connecting block through supporting rods.
Preferably, the balancing mechanism further comprises a sensor, and the sensor is arranged on the connecting block.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:
the utility model provides an engine balance shaft dynamic balance measuring device has set up balance mechanism to this effectively solves the impact that the inherent unbalance amount of unbalanced part brought the bearing, effectively improves the balance measurement effect of axle class product, thereby can guarantee to measure the precision.
Drawings
Fig. 1 is a schematic structural diagram of the dynamic balance measuring device for the engine balance shaft of the present invention.
Fig. 2 is a schematic structural diagram of a balancing mechanism in the engine balance shaft dynamic balance measuring device of the present invention.
Fig. 3 is a schematic diagram of the balance mechanism connected to the driving mechanism in the engine balance shaft dynamic balance measuring device of the present invention.
Fig. 4 is an internal schematic diagram of the balance mechanism connected with the driving mechanism in the engine balance shaft dynamic balance measuring device of the present invention.
Fig. 5 is a schematic structural diagram of a pressing mechanism in the dynamic balance measuring device of the engine balance shaft of the present invention.
Fig. 6 is a schematic structural diagram of a positioning mechanism in the dynamic balance measuring device for the balance shaft of the engine of the present invention.
Description of reference numerals:
the device comprises a driving mechanism 1, a motor 11, a driving wheel 12, a driven wheel 13 and a belt 14;
the balance mechanism 2, a connecting block 21, a supporting seat 22, a supporting column 23, a balance block 24, a fixing frame 25, a fixing block 26, a fine adjustment seat 27 and a supporting rod 28;
the pressing mechanism 3, the pressing cylinder 31, the connecting plate 32, the pressing roller 33, the fixed seat 34 and the spring 35;
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the attached drawings, the dynamic balance measuring device for the balance shaft of the engine comprises a driving mechanism 1, a balance mechanism 2, a pressing mechanism 3 and a positioning mechanism 4. The driving mechanism 1 comprises a motor 11, a driving wheel 12 and a driven wheel 13, wherein the motor 11 drives the driving wheel 12 to rotate, the driven wheel 13 is connected with the driving wheel 12 through a belt 14, and the diameter of the driven wheel 13 is larger than that of the driving wheel 12. The balance mechanism 2 is arranged on the driven wheel 13, and the driven power drives the balance mechanism 2 to drive the product to rotate through a belt 14. The motor 11 with the power of about 1000W and the rotating speed of 0-3000 rpm can be selected as the motor 11, and the motor 11 is matched with a frequency converter to realize frequency conversion and speed regulation.
The balance mechanism 2 comprises a connecting block 21, a supporting seat 22, a supporting column 23, a balance block 24, a fixing frame 25 and a fixing block 26, the balance mechanism 2 is connected with the driving mechanism 1 through the connecting block 21, and the driving mechanism 1 drives the connecting block 21 to rotate. Supporting seat 22 is connected on connecting block 21, and support column 23 sets up on supporting seat 22, through supporting seat 22 fixed stay post 23, support column 23 is connected through spring 35 with supporting seat 22 below, leaves the surplus for the product prepositioning, guarantees the difference between the product simultaneously. The supporting column 23 is provided with a supporting groove, and the fixing frame 25 passes through the supporting column 23 through the supporting groove.
The balancing weight 24 is arranged on one side of the supporting seat 22, the balancing weight 24 fixes the supporting seat 22, and meanwhile, the opposite physical unbalance value of the product is effectively ensured through the balancing weight 24. The balance weight 24 is in a strip shape, and two ends of the balance weight 24 are provided with convex blocks which are connected with the connecting block 21 through the supporting rod 28. The balance weight 24 rotates together with the connecting block 21 under the driving of the motor 11.
The fixing frame 25 is arranged on the balance block 24, the fixing block 26 is arranged on the fixing frame 25, and the fixing block 26 is provided with a fixing groove. The fixing frame 25 comprises a first fixing frame end, a second fixing frame end and a third fixing frame end, the first fixing frame end and the second fixing frame end are vertically arranged, the second fixing frame end is connected with the third fixing frame end, the fixing frame 25 is erected on the balancing block 24 through the third fixing frame end, and the third fixing frame end penetrates through the supporting groove of the supporting column 23. The securing blocks 26 are disposed on the first end of the mount and the second end of the mount.
The balance mechanism 2 further comprises a fine adjustment seat 27, the fine adjustment seat 27 is connected to the connecting block 21, and the fine adjustment seat 27 and the balance block 24 are symmetrically arranged on the connecting block 21. For effectively guaranteeing the unbalance amount value of balance mechanism 2, accurate adjustment seat 27 provides the mounting hole of a plurality of directions, and the weight passes through the mounting hole to be connected on accurate adjustment seat 27, weight and accurate adjustment seat 27 swing joint.
The balancing mechanism 2 further comprises a sensor, which is arranged on the connection block 21. The sensor may be called a zero point sensor, and the sensor provides a zero point reference for the motor 11 to measure the rotation speed of the product during rotation.
The pressing mechanism 3 comprises a pressing cylinder 31, a connecting plate 32, a pressing roller 33 and a fixing seat 34, wherein the fixing seat 34 is made of common steel materials and plated with nickel, is a carrier for mounting the pressing mechanism 3 and provides a mounting and operating platform. The connecting plate 32 is arranged on the fixed seat 34, and the connecting plate 32 is rotatably connected with the fixed seat 34.
The pressing cylinder 31 provides pressing power for the pressing roller 33, and the pressing roller 33 is connected to the pressing cylinder 31 through a connecting plate 32. The pinch roller 33 is positioned above the mount 25 and the balance shaft is positioned between the pinch roller 33 and the mount 25. During the measurement process, the product rotates under the action of the driving mechanism 1, and the product is radially compressed by the compression roller 33 and is ensured to have no resistance and vibration during the rotation process.
The pressing mechanism 3 further includes a spring 35, and the spring 35 is disposed between the connecting plate 32 and the fixing seat 34. The pressing operation of the pressing cylinder 31 rapidly generates a large impact force and a large vibration, and the vibration caused by the impact is reduced by the spring 35.
In the actual measurement process, a product is horizontally placed on the positioning mechanism by utilizing the horizontal adjusting nut, and the distance of the positioning mechanism is adjusted by the preset quick-changing positioning block. Under the upward pushing action of the pressing cylinder 2, the connecting plate and the pressing roller are driven, so that the pressing roller is in close contact with the shaft diameter of the product to complete radial pressing of the product. The pressing force adjustment needs the standard component to be placed on the support to adjust the height of the spring, so that the standard component does not move up and down in the rotating process.
The unbalanced heavy end face of product contacts with the product under the support of support column in balanced mechanism, then compresses under the effect of spring in hold-down mechanism and can make product and support bearing contact, and this effect is that frock and product can both contact in guaranteeing the rotatory in-process of product, can obtain better drive power and precision. In the driving process, the motor drives the belt to rotate the product to the connecting block connected with the driven wheel, and the measurement system performs measurement and analysis to give the distribution of a balance value under the induction of the piezoelectric sensor below the double-bearing support. And after a zero sensor in the balance mechanism gives a physical zero, the motor rotates to an angle needing drilling and weight removal. And finally, drilling the hole depth of the product under the action of an external drilling mechanism.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (9)
1. An engine balance shaft dynamic balance measuring device, comprising:
a drive mechanism;
the balance mechanism comprises a connecting block, a supporting seat, a supporting column and a balance block, the balance mechanism is connected with the driving mechanism through the connecting block, and the driving mechanism drives the connecting block to rotate; the supporting seat is connected to the connecting block, the supporting column is arranged on the supporting seat, and the balance block is arranged on one side of the supporting seat;
the pressing mechanism comprises a pressing cylinder, a connecting plate and a pressing roller, and the pressing roller is connected to the pressing cylinder through the connecting plate;
the positioning mechanism comprises a positioning plate, a guide rail and a quick-changing positioning block, the guide rail is arranged on the positioning plate, and the quick-changing positioning block is arranged on the guide rail.
2. The engine balance shaft dynamic balance measuring device of claim 1, wherein: the driving mechanism comprises a motor, a driving wheel and a driven wheel, the motor drives the driving wheel to rotate, the driven wheel is connected with the driving wheel through a belt, and the balance mechanism is arranged on the driven wheel.
3. The engine balance shaft dynamic balance measuring device of claim 2, wherein: the diameter of the driven wheel is larger than that of the driving wheel.
4. The engine balance shaft dynamic balance measuring device of claim 1, wherein: the balance mechanism further comprises a fixing frame and a fixing block, the fixing frame is arranged on the balance block, the fixing block is arranged on the fixing frame, and a fixing groove is formed in the fixing block.
5. The engine balance shaft dynamic balance measuring device of claim 4, wherein: the pressing mechanism further comprises a fixed seat, the pressing roller is located above the fixed frame, and the balance shaft is located between the pressing roller and the fixed frame; the connecting plate sets up on the fixing base, the connecting plate rotates with the fixing base to be connected.
6. The engine balance shaft dynamic balance measuring device of claim 1, wherein: the pressing mechanism further comprises a spring, and the spring is arranged between the connecting plate and the fixed seat.
7. The engine balance shaft dynamic balance measuring device of claim 4, wherein: the support column is provided with a support groove, and the fixing frame penetrates through the support column through the support groove.
8. The engine balance shaft dynamic balance measuring device of claim 1, wherein: the balance block is in a long strip shape, and the two ends of the balance block are provided with convex blocks which are connected with the connecting block through the supporting rod.
9. The engine balance shaft dynamic balance measuring device of claim 1, wherein: the balance mechanism further comprises a sensor, and the sensor is arranged on the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935067.1U CN213091069U (en) | 2020-09-07 | 2020-09-07 | Dynamic balance measuring device for balance shaft of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935067.1U CN213091069U (en) | 2020-09-07 | 2020-09-07 | Dynamic balance measuring device for balance shaft of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213091069U true CN213091069U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021935067.1U Expired - Fee Related CN213091069U (en) | 2020-09-07 | 2020-09-07 | Dynamic balance measuring device for balance shaft of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213091069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018482A (en) * | 2021-10-25 | 2022-02-08 | 上海剑平动平衡机制造有限公司 | Crankshaft dynamic balancing machine |
-
2020
- 2020-09-07 CN CN202021935067.1U patent/CN213091069U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018482A (en) * | 2021-10-25 | 2022-02-08 | 上海剑平动平衡机制造有限公司 | Crankshaft dynamic balancing machine |
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Granted publication date: 20210430 |