CN113108635B - Balance adjustment mechanism of runner - Google Patents
Balance adjustment mechanism of runner Download PDFInfo
- Publication number
- CN113108635B CN113108635B CN202110455100.3A CN202110455100A CN113108635B CN 113108635 B CN113108635 B CN 113108635B CN 202110455100 A CN202110455100 A CN 202110455100A CN 113108635 B CN113108635 B CN 113108635B
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- fixed
- fixed shaft
- fixing
- groove
- eccentric
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- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
- F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
- F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
- F28D19/041—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier with axial flow through the intermediate heat-transfer medium
- F28D19/042—Rotors; Assemblies of heat absorbing masses
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Support Devices For Sliding Doors (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a balance adjusting mechanism of a rotating wheel, which comprises a shell, a wheel core and a hub, wherein the wheel core is fixed in the shell, the hub is fixed in the wheel core, the balance adjusting mechanism comprises an eccentric nut and a fixed shaft, the fixed shaft is rotatably arranged in the hub, and the eccentric nut is fixed at two ends of the fixed shaft. According to the invention, the eccentric nuts are respectively arranged at the two ends of the fixed shaft, so that the positions of the fixed shaft in the horizontal direction and the vertical direction are adjusted when the eccentric nuts are rotated, and the balance of the rotating wheel is adjusted. The invention has simple structure and convenient operation.
Description
Technical Field
The invention relates to the technical field of balance adjustment of rotating wheels, in particular to a balance adjustment mechanism of a rotating wheel.
Background
The runner type heat exchanger is widely used in the heat recovery field, the function of the runner type heat exchanger is realized by continuously rotating the runner, the stable rotation of the runner type heat exchanger is ensured to be a key factor for prolonging the service life of the runner type heat exchanger, the runner type heat exchanger in the prior art is mainly driven by a belt and consists of an electric motor, a belt pulley, a round runner, a runner shell and the like. In the use process, the rotating wheel needs to rotate consistently and continuously, and ensuring stable rotation is particularly important for reliability. The general balance adjusting method is to adjust the balance in the vertical direction by using bolts to bear against the rotating shaft of the rotating wheel and by screwing in/out the length of the bolts to realize the upward movement/downward movement of the shaft; the horizontal direction is achieved by providing elongated holes, by manual tapping or shifting.
However, the balance adjusting structure cannot be accurately controlled in the use process when the balance in the horizontal direction is adjusted, the moving position can be controlled only through experience, and the fixed shaft and the opposite side bolt are easy to rotate when the shaft end fastening bolt is locked.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a balance adjusting mechanism of a rotating wheel, which can accurately adjust the balance structure in the horizontal and vertical directions at the same time, and meanwhile, the opposite side bolt at the shaft end does not rotate along with the balance during the adjustment, so that the adjusting speed is improved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The balance adjusting mechanism of the rotating wheel comprises a shell, a wheel core, a hub, a fixed shaft and a balance adjusting device, wherein the wheel core is arranged in the shell, the hub is arranged at the center of the wheel core, the fixed shaft is rotatably arranged in the hub, and the balance adjusting device is respectively fixed at two ends of the fixed shaft; the balance adjusting device comprises a fixing piece and an adjusting piece, and the fixing piece is used for fixing the adjusting piece at the top end of the fixed shaft; the adjusting piece can rotate along the outer circumference of the fixed shaft, and the center of the adjusting piece is not overlapped with the center line of the fixed shaft.
Further, the adjusting member includes an eccentric nut rotatably disposed at a top end of the fixed shaft.
Further, the top end of the eccentric nut is of a regular polygon structure, an eccentric hole is formed in the surface of the eccentric nut, and the center point of the top end of the eccentric nut is not coincident with the origin of the eccentric hole. The distance between the center point of the top end of the eccentric nut and the origin of the eccentric hole is the eccentricity.
Further, an origin mark is arranged on the top end of the eccentric nut. The original point mark position can be on the outer edge or the top surface of the eccentric nut, and can be directly visible in the installation process, and the original point mark ensures that the two eccentric nuts can mutually refer to the rotating position when rotating, so that the two eccentric nuts are at the same position without deviation
Further, the fixing piece is a spiral fastener, the spiral fastener penetrates through the eccentric nut to be fixed at the top end of the fixing shaft, and threads matched with the spiral fastener are arranged at the top end of the fixing shaft.
Furthermore, the two sides of the shell are provided with cross beams, the middle part of each cross beam is provided with a fixing seat, and the two ends of each fixing shaft can be fixed on the fixing seats.
Further, the fixing seat is a hollow groove body, a fixing groove is formed in the middle of the inner side wall, and two ends of the fixing shaft are clamped in the fixing groove.
Further, the medial surface of fixed slot is equipped with the stopper, the one end of fixed axle is equipped with spacing part, spacing part card stopper with in the fixed slot, the screw fastener is fixed when eccentric nut, spacing part restriction the fixed axle rotates.
Further, one end of the limiting block is fixed at the bottom of the fixed seat, a groove is formed in the other end of the limiting block, and the limiting component is clamped in the fixed groove and the groove.
Further, the bottom surface of the groove is a platform surface; the limiting part is a boss arranged on the fixed shaft, the boss is cylindrical, a limiting surface is arranged on the boss, and the limiting surface is two oppositely arranged planes. When the screw fastener is rotated, the fixed shaft rotates to the position where the position limiting surface is opposite to the bottom surface of the groove, so that the position limiting end is clamped in the groove and is enabled to continue to rotate, and therefore the fixed shaft does not rotate along with the screw fastener when the screw fastener is adjusted.
In summary, the invention has the following beneficial effects:
1. According to the invention, the eccentric nuts are respectively arranged at the two ends of the fixed shaft, so that the positions of the fixed shaft in the horizontal direction and the vertical direction are adjusted when the eccentric nuts are rotated, and the balance of the rotating wheel is adjusted. The invention has simple structure and convenient operation.
2. One end of the fixed shaft is provided with a limiting boss, and the limiting boss is matched with the fixed limiting block, so that the fixed shaft and the opposite side screw type fastener cannot rotate along with each other when the screw type fastener is screwed down, the adjusting speed is increased, and the requirements of personnel during adjusting are reduced.
Drawings
Fig. 1 is a schematic view of an installation structure of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of fig. 1.
Fig. 3 is a schematic view of a housing structure according to an embodiment of the invention.
Fig. 4 is an enlarged schematic view of fig. 3.
FIG. 5 is an exploded view of the present invention.
Fig. 6 is a schematic top view of an eccentric nut according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a front view of an eccentric nut according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a connection limiting shaft according to an embodiment of the present invention.
In the figure: 1, a shell; 101 cross beams; 2, a wheel core; 3, fastening a bolt; 4, eccentric nuts; 401 origin marking; 402 eccentric holes; 403 fixing rings; 404 top end; 5, a gasket; 6, fixing the shaft; 601 limit end; a 602 fixed end; 603 bosses; 604 limit surfaces; 605 a fixing hole; 7, a hub; 8 fixing seats; 801 a fixed groove; 9 limiting blocks; 901 limit groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
In order to adjust the balance of the rotating wheel in two directions of the horizontal direction and the vertical direction, the balance adjusting devices are respectively arranged at two ends of the hub, each balance adjusting component comprises a fixing piece and an adjusting piece, the fixing pieces fix the adjusting pieces at the top end of the fixing shaft in the center of the hub, and the adjusting pieces can rotate along the outer circumference of the fixing shaft. The balance adjusting device has the action principle that the center of the adjusting piece is not coincident with the center line of the fixed shaft, the balance can be changed when the adjusting piece rotates, and the balance is realized by rotating the center position of the adjusting piece according to actual conditions. The structure and the principle of action of the balancing device are specifically analyzed in conjunction with specific structural diagrams.
Referring to fig. 1 and 2, the wheel comprises a housing 1, a wheel core 2 and a hub 7, wherein the wheel core 2 is arranged in the housing 1, and the hub is arranged at the center of the wheel core 2. The present embodiment is provided at both ends of the hub 7 and is fixed to the housing 1, respectively.
Referring to fig. 3 and 4, the housing 1 is a square hollow frame structure, the middle parts of the front side and the rear side are respectively provided with a cross beam 101, the middle part of the cross beam 101 is provided with a fixing seat 8, the fixing seat 8 is a hollow groove body, the inner side wall of the fixing seat 8 is provided with a fixing groove 801, and two ends of the embodiment are respectively clamped in the fixing groove 801. The lateral end of at least one fixing seat 8, the lower part of the fixing groove 801 is provided with a limiting block 9, which can limit the displacement of the embodiment. The stopper 9 is L type, and one end is fixed at the inboard end of fixed axle 6, and forms the space between stopper 9 and the fixing base 8, and the other end upwards and be equipped with spacing groove 901, and spacing groove 901 and the bottom of fixed slot 801 are on same horizontal position, make fixed axle 6 can fix in spacing groove 901 and fixed slot 801.
Referring to fig. 5, the present embodiment is a symmetrical structure with two ends, and sequentially includes a screw-type fastener, an eccentric nut 4, a washer 5, a fixing shaft 6, and a hub 7. The screw fastener, the eccentric nut 4 and the washer 5 are respectively and symmetrically arranged at two ends of the hub 7.
The hub 7 is disposed at the center of the wheel core 2, and the fixed shaft 6 is rotatably disposed in the hub 7 through the wheel core. Both ends of the fixed shaft 6 are respectively arranged outside both ends of the hub 7.
Eccentric nuts 4 are respectively fixed at both ends of the fixed shaft 6. A washer 5 is arranged between the eccentric nut 4 and the hub 7. The gasket 5 is an anti-slip gasket, and a plurality of anti-slip grooves are arranged on the end face of the gasket 5 main body. The washer 5 makes the present embodiment play a role of anti-slip fastening when fastening the eccentric nut 4 when mounting.
The eccentric nut 4 is fixed to the fixed shaft 6 by an adjustable fastener. In this embodiment, the adjustable fastener is a helical fastener. As a preferred embodiment, the screw type fastener may be the fastening bolt 3, or other screw type fasteners that can achieve the same function. The fixing method is that an eccentric hole 402 is arranged on the top end 404 of the eccentric nut 4, and the fastening bolt 3 passes through the eccentric hole 402 to be fixed on the fixed shaft 6.
Referring to fig. 6 and 7, the eccentric nut 4 includes an integrally formed top end 404 and a fixing ring 403, and the fixing ring 403 is fixed to the bottom surface of the top end 404. The top end 404 of the eccentric nut 4 has a regular polygon structure, and the center point is a. The top 404 is provided with an eccentric hole 402, the center of the eccentric hole 402 is A ', and the distance between the center point A and the center A' is the eccentricity. The eccentric nuts 4 are provided with origin marks 401, and the positions of the origin marks 401 can be directly visible on the outer edge or the top surface of the eccentric nuts 4 in the installation process, and the origin marks 401 enable the two eccentric nuts 4 to mutually refer to the rotating positions when rotating, so that the two eccentric nuts 4 are positioned at the same position without deviation. Preferably, the origin mark 401 is a plane machined at one corner of the polygon of the tip 404. The structure is integrally formed during processing of the eccentric nut 4, and deviation of subsequent processing is avoided.
Referring to fig. 5 and 8, the fixed shaft 6 has a fixed end 601 and a connecting end 602 at two ends, the fixed shaft 6 is inserted into the wheel core through the fixed end 601, the fixed shaft 6 and the connecting end 602 are respectively disposed outside two ends of the hub 7, and the connecting end 602 is provided with a limiting member for blocking the limiting member outside the wheel core.
The main body of the fixed shaft 6 is cylindrical, one end is a fixed end 602, and the other end is a limiting end 601. The fixed end 602 and the limiting end 601 are hollow cylindrical, and the fixing hole 605 is arranged in the fixing end, and the fixing hole 605 is provided with threads matched with the fastening bolt 3, so that the fastening bolt 3 can respectively fix the eccentric nuts 4 at two ends of the fixed shaft 6.
The limiting end 602 is provided with a limiting component, the limiting component is matched with the limiting block 9 to be used, after the fixing shaft 6 is inserted into the hub 7, the fixing shaft 6 cannot rotate along with the fastening bolt 3 during assembly, and the fixing shaft is not assisted by other people, so that an installer can independently finish the fixing shaft. Preferably, the limiting component is a boss 603 arranged on the fixed end 601, the boss 603 is cylindrical, a limiting surface 604 is arranged on the boss 603, and the limiting surface 604 is two oppositely arranged planes.
During installation, the boss 603 is clamped into the platform surface of the bottom surface of the groove 901 of the limiting block 9, when the fastening bolt 3 is rotated, the fixed shaft 6 is rotated to the position limiting surface 604 to be opposite to the bottom surface of the groove 901, so that the position limiting end 601 is clamped in the groove 901, and the position limiting end is continuously rotated, and therefore the fixed shaft 6 is not rotated along with the rotation when the fastening bolt 3 is adjusted.
The installation method and the working principle are as follows:
1. Two fastening bolts 3 are sequentially inserted into the eccentric nuts 4 and washers 5, inserted into the two fixed ends 602 of the fixed shaft 6, and rotated to a position of half of the inside of the fixed hole 605.
2. After the assembly is completed, the fixed shaft 6 is clamped in the fixed groove 801 respectively in the shell 1 of the rotating wheel, the eccentric nut 4 is fixed on the fixed seat 8, and the gasket 5 is positioned between the eccentric nut 4 and the fixed seat 8.
3. The eccentric nuts 4 on both sides are rotated to the same position as the origin mark 401.
4. The fastening bolt 3 is pre-tightened.
5. Checking whether the wheel is balanced or not, if it is necessary to adjust, a wrench or other tool can be used to slowly rotate the eccentric nut 4 until the wheel is balanced, and finally the tool is used to lock the fastening bolt 3. The eccentric nut can accurately adjust balance in two directions of horizontal and vertical, and is simple in structure and convenient to operate. In addition, the limiting block 9 and the limiting groove 901 enable the fixed shaft 6 to rotate until the limiting surface 604 is opposite to the bottom surface of the groove 901, when the limiting end 601 is clamped in the groove 901, the fixed shaft 6 cannot continue to rotate, and therefore the fixed shaft 6 and the opposite side fastening bolt do not rotate with each other when the fastening bolt 3 is rotated, and adjustment is completed rapidly.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. It is intended that the present invention be limited in any manner and that any modification or variation of the present invention that comes within the spirit of the present invention is included in the scope of the present invention.
Claims (6)
1. The utility model provides a balance adjustment mechanism of runner, includes casing (1), wheel core (2) and wheel hub (7), wheel core (2) are located in casing (1), wheel hub (7) are located the center of wheel core (2), its characterized in that: the device also comprises a fixed shaft (6) rotatably arranged in the hub (7) and balance adjusting devices respectively fixed at two ends of the fixed shaft (6);
The balance adjusting device comprises a fixing piece and an adjusting piece, wherein the fixing piece is a spiral fastener, and the fixing piece is used for fixing the adjusting piece at the top end of the fixed shaft; the adjusting piece can rotate along the outer circumference of the fixed shaft (6), the center of the adjusting piece is not coincident with the center line of the fixed shaft (6), and the adjusting piece comprises an eccentric nut (4);
the two sides of the shell (1) are provided with cross beams (101), the middle part of each cross beam (101) is provided with a fixed seat (8), and two ends of each fixed shaft (6) can be fixed on the fixed seats (8);
The fixing seat (8) is a hollow groove body, a fixing groove (801) is formed in the middle of the inner side wall, and two ends of the fixing shaft (6) are clamped in the fixing groove (801);
the inner side of the fixed groove (801) is provided with a limiting block (9), one end of the fixed shaft (6) is provided with a limiting component, the limiting component is clamped in the limiting block (9) and the fixed groove (801), and the limiting component limits the fixed shaft (6) to rotate when the spiral fastener is used for fixing the eccentric nut.
2. The balance adjustment mechanism of a wheel according to claim 1, wherein: the eccentric nut (4) is rotatably arranged at the top end of the fixed shaft (6).
3. The balance adjustment mechanism of a runner in accordance with claim 2, wherein: the top end of the eccentric nut (4) is of a regular polygon structure, an eccentric hole (402) is formed in the surface of the eccentric nut, and the center point of the top end of the eccentric nut (4) is not coincident with the origin of the eccentric hole (402);
An origin mark (401) is arranged on the top end of the eccentric nut (4).
4. A balance adjustment mechanism for a wheel according to claim 3, wherein: the screw-type fastener penetrates through the eccentric nut (4) to be fixed at the top end of the fixed shaft (6), and threads matched with the screw-type fastener are arranged at the top end of the fixed shaft (6).
5. The balance adjustment mechanism of a wheel according to claim 1, wherein: one end of the limiting block (9) is fixed at the bottom of the fixed seat (8), a groove (901) is formed in the other end of the limiting block, and the limiting component is clamped in the fixed groove (801) and the groove (901).
6. The balance adjustment mechanism of a wheel according to claim 5, wherein: the bottom surface of the groove (901) is a flat table surface; the limiting component is a boss (603) arranged on the fixed shaft (6), the boss (603) is cylindrical, a limiting surface (604) is arranged on the boss (603), and the limiting surface (604) is two oppositely arranged planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455100.3A CN113108635B (en) | 2021-04-26 | 2021-04-26 | Balance adjustment mechanism of runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455100.3A CN113108635B (en) | 2021-04-26 | 2021-04-26 | Balance adjustment mechanism of runner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113108635A CN113108635A (en) | 2021-07-13 |
| CN113108635B true CN113108635B (en) | 2024-06-25 |
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ID=76721803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110455100.3A Active CN113108635B (en) | 2021-04-26 | 2021-04-26 | Balance adjustment mechanism of runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113108635B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214792710U (en) * | 2021-04-26 | 2021-11-19 | 奥斯博格通风设备（昆山）有限公司 | Balance adjusting mechanism of runner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB863901A (en) * | 1957-08-23 | 1961-03-29 | Air Preheater | Rotary regenerative heat exchangers |
| JP4301266B2 (en) * | 2006-08-24 | 2009-07-22 | 三菱自動車工業株式会社 | Axis adjustment structure |
| DE202007013473U1 (en) * | 2007-09-25 | 2007-12-13 | Acument Gmbh & Co. Ohg | Eccentric adjustment |
| CN201301858Y (en) * | 2008-11-27 | 2009-09-02 | 奇瑞汽车股份有限公司 | Device for preventing free rotation of bolt and nut |
| CN203295668U (en) * | 2013-04-28 | 2013-11-20 | 邯郸金狮棉机有限公司 | Eccentric adjustment mechanism |
| CN203548513U (en) * | 2013-10-18 | 2014-04-16 | 安徽江淮汽车股份有限公司 | Locking device capable of preventing rotating following of bolt |
| CN207797835U (en) * | 2018-01-17 | 2018-08-31 | 江苏洁能缘环境科技有限公司 | A kind of rotary heat exchanger |
-
2021
- 2021-04-26 CN CN202110455100.3A patent/CN113108635B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214792710U (en) * | 2021-04-26 | 2021-11-19 | 奥斯博格通风设备（昆山）有限公司 | Balance adjusting mechanism of runner |
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| Publication number | Publication date |
|---|---|
| CN113108635A (en) | 2021-07-13 |
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