CN216999175U - Road roller vibration exciter with convertible large and small amplitude - Google Patents
Road roller vibration exciter with convertible large and small amplitude Download PDFInfo
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- CN216999175U CN216999175U CN202122160171.9U CN202122160171U CN216999175U CN 216999175 U CN216999175 U CN 216999175U CN 202122160171 U CN202122160171 U CN 202122160171U CN 216999175 U CN216999175 U CN 216999175U
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Abstract
The utility model belongs to the field of road roller accessories, in particular to a road roller vibration exciter with convertible large and small amplitudes, which comprises a cylinder body; the inner side wall of the cylinder body is rotatably connected with a connecting shaft; the middle part of the connecting shaft is fixedly connected with a connecting box; the inner cavity of the connecting box is fixedly connected with a motor; the inner cavity of the connecting box is rotationally connected with a bidirectional threaded rod; the output end of the motor is rotationally connected with the middle part of the bidirectional threaded rod through a belt; the outer surface of the bidirectional threaded rod is symmetrically connected with a pair of sliding blocks in a threaded manner; the top of the sliding block is hinged with a hinge strip; the side surface of the connecting box is connected with a plurality of sliding pipes in a sliding manner; the inner cavity of the connecting box is fixedly connected with a guide post; the side surface of the connecting box is connected with a pair of eccentric blocks in a sliding way; one side of the two eccentric blocks opposite to each other is fixedly connected with an extension component; the stretching assembly comprises a sleeve frame; one side of the sleeve frame is fixedly connected to the side surface of one eccentric block; the inner cavity of the eccentric block is provided with fluid; the other side of the sleeve frame is connected with an extension plate in a sliding way; therefore, the effect that the amplitude of the vibration exciter of the road roller can be automatically converted is achieved.
Description
Technical Field
The utility model relates to the field of road roller accessories, in particular to a road roller vibration exciter with convertible large and small amplitudes.
Background
The vibration exciter is a mechanism which is arranged on some machines and equipment and is used for generating exciting force, and utilizes the mechanical vibration principle. The vibration exciter can make the excited object obtain a certain vibration quantity in a certain form and size, so as to carry out vibration tamping on the object.
The exciter for road roller consists of fixed eccentric block, rotating eccentric block and connecting shaft, and it rotates clockwise and anticlockwise to realize the vibration of steel wheel in different sizes and tamp road surface.
In the prior art, the vibration exciter of the road roller is fixed and cannot be adjusted due to the fact that eccentricity is fast, and the road roller can not quickly convert the amplitude of the vibration exciter when facing the road surfaces under different conditions, so that the road surface is easily crushed by the road roller, and therefore, the vibration exciter of the road roller with the convertible amplitude is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problem that the existing road roller vibration exciter cannot automatically adjust an eccentric block and convert the amplitude of the road roller vibration exciter to face roads with different conditions, the utility model provides the road roller vibration exciter with the convertible amplitude.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a road roller vibration exciter with convertible amplitude, which comprises a cylinder body; the inner side wall of the cylinder body is rotatably connected with a connecting shaft; both ends of the connecting shaft penetrate through the inner side wall of the cylinder body and extend to the outside of the cylinder body; a connecting box is fixedly connected to the middle part of the connecting shaft; the inner cavity of the connecting box is fixedly connected with a motor; the inner cavity of the connecting box is rotationally connected with a bidirectional threaded rod; the output end of the motor is rotationally connected with the middle part of the bidirectional threaded rod through a belt; the outer surface of the bidirectional threaded rod is symmetrically in threaded connection with a pair of sliding blocks; the top of the sliding block is hinged with a hinge strip; the side surface of the connecting box is connected with a plurality of sliding pipes in a sliding manner; the inner cavity of the connecting box is fixedly connected with a guide pillar; the sliding pipe is connected to the guide post in a sliding manner; the side surface of the hinge strip is hinged on the sliding pipe; the side surface of the connecting box is connected with a pair of eccentric blocks in a sliding way; the sliding pipe is fixedly connected to the eccentric block; one side of each of the two eccentric blocks is fixedly connected with an extension component; the extension assembly comprises a sleeve frame; one side of the sleeve frame is fixedly connected to the side surface of one eccentric block and communicated with the eccentric block; the inner cavity of the eccentric block is provided with fluid; the other side of the sleeve frame is connected with an extension plate in a sliding way; the extension plate is fixedly connected to the other eccentric block, so that the effect that the amplitude of the vibration exciter of the road roller can be automatically converted is achieved.
Preferably, a plurality of groups of guide grooves are formed in the side surface of the connecting box; the side surface of the top of the eccentric block is connected to the inner side wall of the guide groove in a sliding manner; the stability of the eccentric mass during the movement can be ensured.
Preferably, a plurality of groups of mounting bars are fixedly connected to the side surface of the extension plate; the inner side wall of the mounting bar is rotatably connected with a ball; the outer part of the ball is contacted with the inner side wall of the sleeve frame; the ball that sets up on stretching plate can guarantee to stretch the stationarity that the stretching plate removed, ensures that it can not take place the phenomenon of card shell, stretches the setting of stretching plate and cover frame simultaneously and can guarantee two eccentric block pivoted regularity.
Preferably, the side surface of the sleeve frame is fixedly connected with a limiting pad relative to the position of the extension plate; the side surface of the limiting pad corresponds to the position of the round ball; the phenomenon that the extension plate is separated from the sleeve frame can be ensured.
Preferably, the inner side wall of the cylinder body is fixedly connected with a flexible plate; a cushion block is fixedly connected at the position where the connecting box is contacted with the connecting shaft; the setting of toughness plate can guarantee the holistic firm of barrel, prolongs the life of barrel, and the cushion of the position rigid coupling of connecting box and connecting axle contact can ensure the stability of connecting box on the connecting axle, ensures that it can not take place to remove.
Preferably, a connector is fixedly connected to the side surface of the cylinder body relative to the connecting shaft; the outer surface of the connecting shaft is in contact with the inner surface of the connector; the connector that the barrel side set up can ensure that the connecting axle rotates stability on the barrel, strengthens the intensity at barrel and connecting axle kneck.
The utility model has the advantages that:
1. the utility model makes two opposite sliding blocks on the bidirectional threaded rod move by the rotation of the bidirectional threaded rod, the sliding blocks move to make the symmetrically arranged hinge strips rotate, the hinge strips rotate to push the sliding tubes to move on the guide posts, the sliding tubes move to make two eccentric blocks move to drive the extension plates to move in the sleeve frame, the extension plates move to enlarge the space in the sleeve frame, the space in the sleeve frame is enlarged, the fluid in the eccentric blocks enters the sleeve frame, thereby the gravity center of the eccentric block moves downwards, the vibration amplitude of the eccentric block is increased in the rotating process, when the extension plate is close to the sleeve frame, the space in the sleeve frame is reduced, the fluid rises, the gravity center of the eccentric block moves upwards to reduce the vibration amplitude of the eccentric block, the amplitude of the connecting shaft can be controlled, the function of adjusting the position distance of the two eccentric blocks on the connecting shaft is realized, and the aim of converting the integral amplitude through the change of the distance of the eccentric blocks is achieved; the amplitude of the vibration exciter of the road roller can be automatically converted to face the road surfaces under different conditions;
2. the stretching plate and the sleeve frame are driven to move by the movement of the two eccentric blocks, and the ball arranged on the stretching plate can ensure the structural design of the moving stability of the stretching plate, thereby achieving the effect that the two eccentric blocks can synchronously rotate after being displaced, and ensuring the rotating regularity of the two eccentric blocks.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of a first embodiment;
FIG. 2 is a schematic view of the internal structure of the cylinder according to the first embodiment;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of a first embodiment of an extension assembly;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
fig. 6 is a schematic structural view of an absorbent pad according to the second embodiment.
In the figure: 1. a cylinder body; 2. a connecting shaft; 3. a connection box; 4. a motor; 5. a bidirectional threaded rod; 6. a slider; 7. a hinge strip; 8. a slide pipe; 9. an eccentric block; 10. a guide groove; 11. an extension assembly; 12. sleeving a frame; 13. stretching the plate; 14. mounting a bar; 15. a ball; 16. a confining pad; 17. a tough plate; 18. cushion blocks; 19. a connector; 20. an absorbent pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
Referring to fig. 1-5, the road roller vibration exciter with convertible large and small amplitudes comprises a cylinder 1; the inner side wall of the cylinder body 1 is rotatably connected with a connecting shaft 2; two ends of the connecting shaft 2 penetrate through the inner side wall of the cylinder body 1 and extend to the outside of the cylinder body 1; the middle part of the connecting shaft 2 is fixedly connected with a connecting box 3; the inner cavity of the connecting box 3 is fixedly connected with a motor 4; the inner cavity of the connecting box 3 is rotationally connected with a bidirectional threaded rod 5; the output end of the motor 4 is rotationally connected with the middle part of the bidirectional threaded rod 5 through a belt; the outer surface of the bidirectional threaded rod 5 is symmetrically in threaded connection with a pair of sliding blocks 6; the top of the sliding block 6 is hinged with a hinge strip 7; a plurality of sliding tubes 8 are connected to the side surface of the connecting box 3 in a sliding manner; the inner cavity of the connecting box 3 is fixedly connected with a guide post; the sliding pipe 8 is connected to the guide post in a sliding manner; the side surface of the hinge strip 7 is hinged on the sliding pipe 8; the side surface of the connecting box 3 is connected with a pair of eccentric blocks 9 in a sliding way; the slide pipe 8 is fixedly connected to the eccentric block 9; one side of each of the two eccentric blocks 9 is fixedly connected with an extension component 11; the stretching assembly 11 comprises a sleeve frame 12; one side of the sleeve frame 12 is fixedly connected to the side surface of one eccentric block 9 and is communicated with the eccentric block 9; the inner cavity of the eccentric block 9 is provided with fluid; the other side of the sleeve frame 12 is connected with an extension plate 13 in a sliding way; the extension plate 13 is fixedly connected to the other eccentric block 9; when the device works, the motor 4 is started to rotate, the motor 4 drives the bidirectional threaded rod 5 to rotate through the belt, the bidirectional threaded rod 5 rotates, the sliding block 6 on the bidirectional threaded rod 5 moves, the sliding block 6 moves to enable the hinge strips 7 which are symmetrically installed to rotate, the hinge strips 7 rotate to push the sliding tube 8 to move on the guide posts, the sliding tube 8 moves to enable the two eccentric blocks 9 to move, the two eccentric blocks 9 move to adjust the position distance, after the positions of the two eccentric blocks 9 are adjusted, the connecting shaft 2 is driven to rotate by an external device, the extending plate 13 is driven to move in the sleeve frame 12 by adjusting the distance between the two eccentric blocks 9, the extending plate 13 moves to enlarge the space in the sleeve frame 12, the space in the sleeve frame 12 is enlarged, fluid in the eccentric blocks 9 enters the sleeve frame 12, so that the gravity center of the eccentric blocks 9 moves downwards, and the vibration amplitude of the eccentric blocks 9 is enlarged in the rotating process, when the extension plate 13 is close to the sleeve frame 12, the space in the sleeve frame 12 is reduced, and the fluid rises, so that the gravity center of the eccentric block 9 moves upwards to reduce the vibration amplitude of the eccentric block 9, and the amplitude of the eccentric block can be controlled, and the effect that the vibration amplitude of the vibration exciter of the road roller can be automatically converted is achieved.
A plurality of groups of guide grooves 10 are formed in the side surface of the connecting box 3; the top side surface of the eccentric block 9 is connected to the inner side wall of the guide groove 10 in a sliding manner; during operation, the guide groove 10 arranged on the connecting box 3 can ensure the stability of the eccentric block 9 in the moving process.
A plurality of groups of mounting bars 14 are fixedly connected to the side surface of the extension plate 13; the inner side wall of the mounting bar 14 is rotatably connected with a round ball 15; the outer part of the round ball 15 is contacted with the inner side wall of the sleeve frame 12; when the device works, the extension plate 13 and the sleeve frame 12 move, the round balls 15 arranged on the extension plate 13 can ensure the moving stability of the extension plate 13, so that the shell clamping phenomenon can not occur, and meanwhile, the arrangement of the extension plate 13 and the sleeve frame 12 can ensure the rotating regularity of the two eccentric blocks 9.
The position of the side surface of the sleeve frame 12 relative to the extending plate 13 is fixedly connected with a limiting pad 16; the side of the limiting pad 16 corresponds to the position of the round ball 15; in operation, the limiting pad 16 is installed to ensure that the extension board 13 does not separate from the frame 12.
The inner side wall of the cylinder body 1 is fixedly connected with a flexible plate 17; a cushion block 18 is fixedly connected at the position where the connecting box 3 is contacted with the connecting shaft 2; during operation, the setting of toughness board 17 can guarantee the holistic firm of barrel 1, prolongs the life of barrel 1, and the cushion 18 of the position rigid coupling of connecting box 3 and the contact of connecting axle 2 can ensure the stability of connecting box 3 on connecting axle 2, ensures that it can not take place to remove.
A connector 19 is fixedly connected to the side surface of the cylinder 1 relative to the position of the connecting shaft 2; the outer surface of the connecting shaft 2 is in contact with the inner surface of the connector 19; during operation, the connector 19 that the barrel 1 side set up can ensure that connecting axle 2 rotates stability on barrel 1, strengthens the intensity at barrel 1 and connecting axle 2 kneck.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a pair of absorbent pads 20 are fixed to the top of the flexible board 17; the absorption pad 20 corresponds to the position of the eccentric block 9; during operation, the absorption pad 20 can further enhance the pressure resistance of the flexible plate 17, thereby effectively avoiding the barrel 1 from cracking in the operation process.
The working principle is that the motor 4 is started to rotate, the motor 4 drives the bidirectional threaded rod 5 to rotate through a belt, the bidirectional threaded rod 5 rotates to enable the slide block 6 on the bidirectional threaded rod 5 to move, the slide block 6 moves to enable the hinge strips 7 which are symmetrically installed to rotate, the hinge strips 7 rotate to push the slide pipes 8 to move on the guide posts, the slide pipes 8 move to enable the two eccentric blocks 9 to move, the two eccentric blocks 9 move to adjust the position distance, after the positions of the two eccentric blocks 9 are adjusted, the connecting shaft 2 is driven to rotate by an external device, the extending plate 13 is driven to move in the sleeve frame 12 by adjusting the distance between the two eccentric blocks 9, the extending plate 13 moves to enlarge the space in the sleeve frame 12, the space in the sleeve frame 12 is enlarged, fluid in the eccentric blocks 9 enters the sleeve frame 12, the gravity center of the eccentric blocks 9 moves downwards, the vibration amplitude of the eccentric blocks 9 is enlarged in the rotating process, when the extending plate 13 is close to the sleeve frame 12, the space in the sleeve frame 12 is reduced, the fluid rises, so that the gravity center of the eccentric block 9 moves upwards to reduce the vibration amplitude of the eccentric block 9, and further the effect of controlling the amplitude of the eccentric block to achieve the automatic conversion of the amplitude of the vibration exciter of the road roller is achieved, the guide groove 10 arranged on the connecting box 3 can ensure the stability of the eccentric block 9 in the moving process, when the two eccentric blocks 9 move, the extending plate 13 and the sleeve frame 12 can be driven to move, the round ball 15 arranged on the extending plate 13 can ensure the moving stability of the extending plate 13 and ensure that the shell is not clamped, meanwhile, the arrangement of the extending plate 13 and the sleeve frame 12 can ensure the rotating alignment of the two eccentric blocks 9, the installation of the limiting pad 16 can ensure that the extending plate 13 cannot be separated from the sleeve frame 12, the arrangement of the toughness plate 17 can ensure the integral firmness of the cylinder body 1, the service life of extension barrel 1, the cushion 18 of the position rigid coupling of connecting box 3 and the contact of connecting axle 2 can ensure the stability of connecting box 3 on connecting axle 2, ensures that it can not take place to remove, and the connector 19 that the barrel 1 side set up can ensure connecting axle 2 and rotate stability on barrel 1, strengthens the intensity at barrel 1 and connecting axle 2 kneck.
The using method comprises the steps that firstly, a user starts a motor 4 inside a connecting box 3 to rotate, the motor 4 drives a bidirectional threaded rod 5 to rotate through a belt, the bidirectional threaded rod 5 rotates, two opposite sliding blocks 6 on the bidirectional threaded rod 5 move, the sliding blocks 6 move to enable hinge strips 7 which are symmetrically installed to rotate, the hinge strips 7 rotate to push sliding pipes 8 to move on guide posts, the sliding pipes 8 move to enable two eccentric blocks 9 to move, the position distance of the two eccentric blocks 9 is adjusted, in the moving process of the two eccentric blocks 9, the stretching plate 13 and the sleeve frame 12 are driven to move, the space in the sleeve frame 12 is enlarged due to the movement of the stretching plate 13 and the sleeve frame 12, the gravity center of the eccentric blocks 9 is changed due to the fact that fluid in the enlarged space of the sleeve frame 12 moves downwards, the round balls 15 arranged on the stretching plate 13 can guarantee the moving stability of the stretching plate 13, the phenomenon that the stretching plate 13 is not clamped can be guaranteed, and the arrangement of the stretching plate 13 and the sleeve frame 12 can guarantee the rotating uniformity of the two eccentric blocks 9, after the position of the eccentric block 9 is adjusted, the external mechanism is started to rotate the connecting shaft 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. Road roller vibration exciter that big amplitude can be convertible, its characterized in that: comprises a cylinder body (1); the inner side wall of the cylinder body (1) is rotationally connected with a connecting shaft (2); two ends of the connecting shaft (2) penetrate through the inner side wall of the cylinder body (1) and extend to the outside of the cylinder body (1); the middle part of the connecting shaft (2) is fixedly connected with a connecting box (3); the inner cavity of the connecting box (3) is fixedly connected with a motor (4); the inner cavity of the connecting box (3) is rotationally connected with a bidirectional threaded rod (5); the output end of the motor (4) is rotationally connected with the middle part of the bidirectional threaded rod (5) through a belt; the outer surface of the bidirectional threaded rod (5) is symmetrically connected with a pair of sliding blocks (6) in a threaded manner; the top of the sliding block (6) is hinged with a hinge strip (7); the side surface of the connecting box (3) is connected with a plurality of sliding pipes (8) in a sliding manner; the inner cavity of the connecting box (3) is fixedly connected with a guide post; the sliding pipe (8) is connected to the guide post in a sliding manner; the side surface of the hinge strip (7) is hinged on the sliding pipe (8); the side surface of the connecting box (3) is connected with a pair of eccentric blocks (9) in a sliding way; the sliding pipe (8) is fixedly connected to the eccentric block (9); one opposite side of the two eccentric blocks (9) is fixedly connected with a stretching component (11); the stretching assembly (11) comprises a sleeve frame (12); one side of the sleeve frame (12) is fixedly connected to the side surface of one eccentric block (9) and is communicated with the eccentric block (9); the inner cavity of the eccentric block (9) is provided with fluid; the other side of the sleeve frame (12) is connected with an extension plate (13) in a sliding way; the extension plate (13) is fixedly connected to the other eccentric block (9).
2. A road roller exciter with switchable magnitude and amplitude according to claim 1, characterised in that: a plurality of groups of guide grooves (10) are formed in the side surface of the connecting box (3); the top side surface of the eccentric block (9) is connected on the inner side wall of the guide groove (10) in a sliding manner.
3. A road roller exciter with switchable magnitude and amplitude according to claim 2, characterised in that: a plurality of groups of mounting strips (14) are fixedly connected to the side surfaces of the extension plates (13); the inner side wall of the mounting bar (14) is rotatably connected with a round ball (15); the outer part of the round ball (15) is contacted with the inner side wall of the sleeve frame (12).
4. The exciter of a roller according to claim 3, wherein said exciter comprises: the side surface of the sleeve frame (12) is fixedly connected with a limiting pad (16) relative to the position of the extension plate (13); the side surface of the limiting pad (16) corresponds to the position of the round ball (15).
5. The exciter of claim 4, wherein: the inner side wall of the cylinder body (1) is fixedly connected with a flexible plate (17); and a cushion block (18) is fixedly connected at the contact position of the connecting box (3) and the connecting shaft (2).
6. A road roller exciter with convertible magnitude and amplitude as claimed in claim 5, wherein: a connector (19) is fixedly connected to the side surface of the cylinder body (1) relative to the position of the connecting shaft (2); the outer surface of the connecting shaft (2) is in contact with the inner surface of the connector (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160171.9U CN216999175U (en) | 2021-09-07 | 2021-09-07 | Road roller vibration exciter with convertible large and small amplitude |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160171.9U CN216999175U (en) | 2021-09-07 | 2021-09-07 | Road roller vibration exciter with convertible large and small amplitude |
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| Publication Number | Publication Date |
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| CN216999175U true CN216999175U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122160171.9U Active CN216999175U (en) | 2021-09-07 | 2021-09-07 | Road roller vibration exciter with convertible large and small amplitude |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115333292A (en) * | 2022-10-13 | 2022-11-11 | 新乡市通用电机有限公司 | High-frequency vibration motor |
-
2021
- 2021-09-07 CN CN202122160171.9U patent/CN216999175U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115333292A (en) * | 2022-10-13 | 2022-11-11 | 新乡市通用电机有限公司 | High-frequency vibration motor |
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