CN212426643U - Flexible vibration exciter suitable for vibratory roller - Google Patents
Flexible vibration exciter suitable for vibratory roller Download PDFInfo
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- CN212426643U CN212426643U CN202021265349.5U CN202021265349U CN212426643U CN 212426643 U CN212426643 U CN 212426643U CN 202021265349 U CN202021265349 U CN 202021265349U CN 212426643 U CN212426643 U CN 212426643U
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Abstract
The utility model relates to a be suitable for vibrated roller's flexible vibration exciter belongs to vibrated roller technical field. The vibration exciter is a split two-cavity type vibration exciter formed by a first flexible vibration exciter and a second flexible vibration exciter and is arranged in a vibration wheel, a flexible eccentric shaft is arranged in a cavity of the vibration exciter through a vibration bearing, a proper amount of gear oil is filled in the cavity of the vibration exciter, and a sealing ring ensures that the cavity of the vibration exciter is closed and does not leak; the vibrating motor drives the flexible eccentric shaft to rotate at a high speed through the coupler, the flexible eccentric shaft with eccentric moment and rotating at a high speed generates exciting force participating in compaction of the vibrating wheel, and the vibrating compaction function is realized. The utility model discloses a be suitable for vibrated roller's flexible vibration exciter, the volume is less, and the operation is reliable, can realize not having the rigidity and strike.
Description
Technical Field
The utility model relates to a be suitable for vibrated roller's flexible vibration exciter belongs to vibrated roller technical field.
Background
Under the prior art, the vibration principle of the vibratory roller is that an eccentric block of a vibration exciter rotates at a high speed to generate vibration, and then a vibrating wheel repeatedly loads a compacted material, so that cohesive force and internal friction force between the materials are overcome, gas and water in the material are removed, material particles are forced to generate displacement and are wedged tightly, and certain compactness and flatness are achieved. The vibration exciter of the traditional road roller vibrating wheel comprises a vibrating cavity, an eccentric block, a bearing, an intermediate shaft, a coupler, a sealing ring and the like, and the vibration of the vibrating wheel is realized through the forward and reverse rotation of the eccentric block. The mechanism is widely applied to vibratory rollers, but has a plurality of defects:
1. the vibration cavity is large, the structure is complex, the requirement on manufacturing precision is high, the assembly is difficult, and the maintenance cost is high.
2. In the vibration starting and stopping processes of the vibration exciter eccentric mechanism, the movable eccentric block and the limiting pin generate great impact, and parts such as the eccentric block, the limiting pin shaft, the vibration bearing, the coupling and the like can be damaged, so that the vibration exciter fails to work.
3. The large impact of start-stop vibration generates harsh noise, which is not good for the health of the driver.
Therefore, it is urgent to develop a flexible exciter for a vibratory roller to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing among the above-mentioned background problem, provide a flexible vibration exciter who is suitable for vibrated roller, its is rational in infrastructure, and the volume is less, and the operation is reliable, can realize not having the rigidity and strike.
The purpose of the utility model is realized like this: a flexible vibration exciter suitable for a vibratory roller comprises a first flexible vibration exciter;
the first flexible vibration exciter comprises a first vibration exciter cavity, a first flexible eccentric shaft and a first vibration bearing;
the first flexible eccentric shaft is arranged in a cavity of the first vibration exciter through a first vibration bearing and is also connected with a second flexible eccentric shaft of the second flexible vibration exciter through a second coupler;
the second flexible eccentric shaft is arranged in a cavity of a second vibration exciter through a second vibration bearing;
the second flexible eccentric shaft is also connected with a vibration motor through a coupler;
the first flexible vibration exciter and the second flexible vibration exciter are of the same structure and are symmetrically arranged, and the split two-cavity vibration exciter is formed and is arranged in the vibrating wheel.
The first flexible eccentric shaft and the second flexible eccentric shaft are both flexible eccentric shaft structures;
the flexible eccentric shaft structure comprises an eccentric shaft cavity, an eccentric shaft, a steel ball, a screw plug and a fixed eccentric block;
the eccentric shaft cavity consists of a thin plate part, and forms a closed inner cavity together with the eccentric shaft and the fixed eccentric block, and steel balls are arranged in the closed inner cavity;
the middle of the eccentric shaft penetrates through the closed inner cavity, and two sides of the eccentric shaft extend out of the closed inner cavity;
the fixed eccentric block is connected with the end face of the eccentric shaft cavity.
And the vibration motor is connected with one end of the eccentric shaft of the second flexible eccentric shaft through a coupler.
The eccentric shaft cavity is also provided with a screw plug which is of a closed structure and used for sealing the steel ball.
And eccentric shaft gear oil is also arranged in the closed inner cavity.
And gear oil is arranged in the first vibration exciter cavity and the second vibration exciter cavity, and sealing rings are arranged in a matching manner.
Compared with the prior art, the utility model has the advantages of it is following:
the flexible vibration exciter suitable for the vibratory roller of the utility model realizes the purposes of reliable operation, simple structure and flexible vibration through the technical proposal; the utility model adopts the modularized independent vibration exciter with compact structure, the eccentric shaft with welding structure is arranged in the cavity of the vibration exciter, the steel ball is added in the cavity of the eccentric shaft, the cavity has high structural strength, thin wall, light weight and large eccentric moment, and meanwhile, the vibration exciter realizes the independent disassembly and the combined installation in the steel wheel, and has simple maintenance and low cost; the utility model eliminates the rigid impact when the vibration starts and stops by adding the steel balls in the independent welding cavity, avoids the damage of the eccentric block and the pin shaft, and greatly prolongs the service life of the vibration exciter; in addition, the noise pollution when the road roller vibrates to start and stop is eliminated, and the requirements of health and environmental protection of drivers are met.
Drawings
Fig. 1 is the overall structure schematic diagram of the flexible vibration exciter of the utility model relates to a be suitable for vibratory roller.
Fig. 2 is the utility model relates to a be suitable for the structural schematic diagram of the flexible eccentric shaft of the flexible vibration exciter of vibrated roller.
Fig. 3 is the utility model relates to a realize vibrating wheel big shake and cut open the view when being suitable for the flexible eccentric shaft anticlockwise rotation of the flexible vibration exciter of vibrated roller.
Fig. 4 is the utility model relates to a flexible eccentric shaft of flexible vibration exciter suitable for vibrated roller realizes the little section view that shakes of vibrating wheel when clockwise rotating.
Wherein: 1. a first vibration exciter cavity; 2. a first flexible eccentric shaft; 3. a first vibration bearing; 4. gear oil of a cavity of the first vibration exciter; 5. a first seal ring; 6. a coupling; 7. a vibration motor; 8. a first flexible vibration exciter; 9. a second flexible vibration exciter; 10. a second coupling; 11. a second vibration exciter cavity; 12. a second flexible eccentric shaft; 13. a second vibration bearing; 14. gear oil of a cavity of the second vibration exciter; 15. a second seal ring;
2.1, an eccentric shaft cavity; 2.2, an eccentric shaft; 2.3, steel balls; 2.4, eccentric shaft gear oil; 2.5, a screw plug; 2.6, fixing the eccentric block.
Detailed Description
The invention is described below with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 4, a flexible exciter suitable for a vibratory roller includes a first flexible exciter 8;
the first flexible vibration exciter 8 comprises a first vibration exciter cavity 1, a first flexible eccentric shaft 2 and a first vibration bearing 3;
the first flexible eccentric shaft 2 is arranged in the first vibration exciter cavity 1 through a first vibration bearing 3, and the first flexible eccentric shaft 2 is also connected with a second flexible eccentric shaft 12 of a second flexible vibration exciter 9 through a second coupling 10;
the second flexible eccentric shaft 12 is arranged in a second vibration exciter cavity 11 through a second vibration bearing 13;
the second flexible eccentric shaft 12 is also connected with a vibration motor 7 through a coupling 6;
the first flexible vibration exciter 8 and the second flexible vibration exciter 9 are of the same structure and are symmetrically arranged, and form a split two-cavity vibration exciter and are arranged in the vibrating wheel.
In the embodiment, the utility model provides a first vibration exciter cavity gear oil 4 in the first vibration exciter cavity 1, and a first sealing ring 5 is provided in a matching manner;
a second vibration exciter cavity gear oil 14 is arranged in the second vibration exciter cavity 11, and a second sealing ring 15 is arranged in a matching manner;
the sealing ring can ensure that the cavity is closed and does not leak.
In this embodiment, the utility model discloses a vibrating motor 7 drives the flexible eccentric shaft 12 high-speed rotation of second through shaft coupling 6, and the flexible eccentric shaft 12 of second that has eccentric moment, high-speed rotation links to each other with first flexible eccentric shaft 2 through second shaft coupling 10 again, produces the exciting force of participating in the compaction of vibration wheel, realizes the vibration compaction function.
In this embodiment, the vibration motor 7 is connected to one end of the eccentric shaft 2.2 of the second flexible eccentric shaft 12 through a coupling 6.
In the present embodiment, the first flexible eccentric shaft 2 and the second flexible eccentric shaft 12 are both flexible eccentric shaft structures;
the flexible eccentric shaft structure comprises an eccentric shaft cavity 2.1, an eccentric shaft 2.2, a steel ball 2.3, a screw plug 2.5 and a fixed eccentric block 2.6;
the eccentric shaft cavity 2.1 is formed by welding thin plate pieces, and forms a closed inner cavity together with the eccentric shaft 2.2 and the fixed eccentric block 2.6, and has a certain eccentric moment;
a steel ball 2.3 is arranged in the closed inner cavity;
the middle of the eccentric shaft 2.2 penetrates through the closed inner cavity, and the two sides of the eccentric shaft extend out of the closed inner cavity;
the fixed eccentric block 2.6 is welded with the end face of the eccentric shaft cavity 2.1.
In the embodiment, the steel ball 2.3 and the eccentric shaft gear oil 2.4 are sealed in the cavity by a screw plug 2.5.
As shown in fig. 3, when the eccentric shaft is transferred counterclockwise, the cavity is driven to rotate counterclockwise, and the steel balls are accumulated near the fixed eccentric block under the block of the fixed eccentric block 2.6, so that the mass eccentric moment of the steel ball group 2.3 and the mass eccentric moment of the fixed eccentric block 2.6 are mutually superposed to realize the large vibration of the vibrating steel wheel;
as shown in figure 4, when the eccentric shaft is transferred clockwise, the cavity is driven to rotate clockwise, all the steel balls are flexibly accumulated at the opposite end of the fixed eccentric block under the blocking of the cavity of the eccentric shaft, so that the eccentric moment of the steel ball group 2.3 and the eccentric moment of the fixed eccentric block 2.6 are mutually offset by a part, and the small vibration of the vibrating steel wheel is realized.
In the embodiment, when the vibrating wheel works, the vibrating motor 7 drives the second flexible vibration exciter 9 to rotate through the coupling 6, and the second flexible vibration exciter 9 drives the first flexible vibration exciter 8 to rotate;
the eccentric rotation of the vibration exciter generates an exciting force, so that the flexible vibration compaction of the vibration wheel is realized, and a good compaction effect is realized.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (6)
1. A flexible vibration exciter suitable for a vibratory roller is characterized in that: comprises a first flexible vibration exciter (8);
the first flexible vibration exciter (8) comprises a first vibration exciter cavity (1), a first flexible eccentric shaft (2) and a first vibration bearing (3);
the first flexible eccentric shaft (2) is arranged in the first vibration exciter cavity (1) through a first vibration bearing (3), and the first flexible eccentric shaft (2) is also connected with a second flexible eccentric shaft (12) of a second flexible vibration exciter (9) through a second coupler (10);
the second flexible eccentric shaft (12) is arranged in a second vibration exciter cavity (11) through a second vibration bearing (13);
the second flexible eccentric shaft (12) is also connected with a vibration motor (7) through a coupling (6);
the first flexible vibration exciter (8) and the second flexible vibration exciter (9) are of the same structure and are symmetrically arranged, and form a split two-cavity vibration exciter and are arranged in the vibration wheel.
2. The flexible exciter according to claim 1, wherein the flexible exciter comprises: the first flexible eccentric shaft (2) and the second flexible eccentric shaft (12) are both flexible eccentric shaft structures;
the flexible eccentric shaft structure comprises an eccentric shaft cavity (2.1), an eccentric shaft (2.2), a steel ball (2.3), a screw plug (2.5) and a fixed eccentric block (2.6);
the eccentric shaft cavity (2.1) is composed of a thin plate, and forms a closed inner cavity together with the eccentric shaft (2.2) and the fixed eccentric block (2.6), and a steel ball (2.3) is arranged in the closed inner cavity;
the middle of the eccentric shaft (2.2) penetrates through the closed inner cavity, and the two sides of the eccentric shaft extend out of the closed inner cavity;
the fixed eccentric block (2.6) is connected with the end face of the eccentric shaft cavity (2.1).
3. The flexible exciter according to claim 1, wherein the flexible exciter comprises: the vibration motor (7) is connected with one end of the eccentric shaft (2.2) of the second flexible eccentric shaft (12) through a coupler (6).
4. The flexible exciter according to claim 2, wherein the flexible exciter is adapted for use with a vibratory roller, and comprises: the eccentric shaft cavity (2.1) is further provided with a plug screw (2.5), and the plug screw (2.5) is of a closed structure and seals the steel ball (2.3).
5. The flexible exciter according to claim 2, wherein the flexible exciter is adapted for use with a vibratory roller, and comprises: and eccentric shaft gear oil (2.4) is also arranged in the closed inner cavity.
6. The flexible exciter according to claim 1, wherein the flexible exciter comprises: gear oil is arranged in the first vibration exciter cavity (1) and the second vibration exciter cavity (11) and is provided with sealing rings in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021265349.5U CN212426643U (en) | 2020-07-02 | 2020-07-02 | Flexible vibration exciter suitable for vibratory roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021265349.5U CN212426643U (en) | 2020-07-02 | 2020-07-02 | Flexible vibration exciter suitable for vibratory roller |
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| Publication Number | Publication Date |
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| CN212426643U true CN212426643U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021265349.5U Active CN212426643U (en) | 2020-07-02 | 2020-07-02 | Flexible vibration exciter suitable for vibratory roller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794053A (en) * | 2020-07-02 | 2020-10-20 | 柳工无锡路面机械有限公司 | Flexible vibration exciter of vibratory roller |
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2020
- 2020-07-02 CN CN202021265349.5U patent/CN212426643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794053A (en) * | 2020-07-02 | 2020-10-20 | 柳工无锡路面机械有限公司 | Flexible vibration exciter of vibratory roller |
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