Vibration compaction mechanism of asphalt paver

Abstract

The invention discloses an asphalt paver compaction mechanism, and particularly relates to the technical field of asphalt pavers, the asphalt paver compaction mechanism comprises a support frame, the top of the support frame is provided with a lifting assembly, and the bottom end of the inner side of the support frame is provided with a support plate; a cavity is formed in the middle end of the supporting plate, and the interior of the cavity is rotationally connected with a fixing frame through a rotating shaft. By arranging the supporting plate, the fixing frame, the connecting shaft and the connecting frame, the connecting shaft can be driven to drive the connecting plate to rotate slowly through the connecting frame, so that the connecting plate can drive the multiple groups of vibrating rods to deflect left and right, and the angle directions of the vibrating rods are rapidly and accurately adjusted; by arranging a limiting block, a limiting groove, a rotating rod and other structures between the fixing frame and the supporting plate, the fixing frame can be driven to drive the connecting plate to deflect front and back through the connecting frame so as to further adjust the direction of the vibrating rod, then the inserting direction of the vibrating rod can be accurately adjusted according to requirements, and the compaction effect can be fully and effectively guaranteed; and the use effect of the device is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of asphalt pavers, and in particular to a vibrating mechanism for an asphalt paver. Background Art

[0002] Asphalt pavers are machines that evenly spread asphalt mixture onto the road base, performing preliminary compaction and leveling. As the leading machine in asphalt pavement construction, asphalt pavers are widely used in asphalt paving operations on urban roads, highways, docks, large parking lots, and other areas. In the 21st century, driven by the increasing construction of high-grade highways, paving machine products have experienced diverse developments. Advances in hydraulic, electronic, sensor, control theory, and computer control technologies have resulted in more scientific and rational structural and hydraulic designs for pavers, further improving their performance.

[0003] At present, the existing asphalt paver compaction mechanism, when in use, mainly compacts the asphalt by inserting a vibrating rod into the laid asphalt. However, in actual use, the vibrating rod is often inserted into the asphalt in a fixed direction. The insertion direction of the vibrating rod is difficult to accurately adjust according to construction requirements, thereby failing to meet usage requirements and failing to fully and effectively ensure the compaction effect, resulting in poor actual use results. Summary of the Invention

[0004] The object of the present invention is to provide a vibrating mechanism of an asphalt paver, which, by setting structures such as a support plate, a fixed frame, a movable column, a connecting shaft, a connecting frame and a gear set, cooperates with a first driving component, and can drive the movable column to move back and forth in the fixed frame, and the movable column can drive the connecting shaft to rotate left and right through the tooth plate and the gear set, and then the connecting shaft drives the connecting plate to rotate slowly through the connecting frame, so that the connecting plate can drive multiple groups of vibrating rods to deflect left and right, so as to quickly and accurately adjust the angular direction of the vibrating rod; and by setting structures such as a limit block, a limit groove and a rotating rod between the fixed frame and the support plate, cooperate with a second driving component, the limit block can push and pull the fixed frame to rotate stably in the cavity through the rotating rod, and then the fixed frame drives the connecting plate to deflect back and forth through the connecting frame to further adjust the direction of the vibrating rod, and then the insertion direction of the vibrating rod can be accurately adjusted according to needs, and can fully and effectively guarantee the vibration effect, greatly improving the use effect of the device, so as to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solution: a vibrating mechanism for an asphalt paver, comprising:

[0006] A support frame, wherein a lifting assembly is provided on the top of the support frame, and a support plate is provided on the inner bottom end of the support frame;

[0007] A cavity is provided at the middle end of the support plate, and a fixed frame is rotatably connected to the interior of the cavity via a rotating shaft. The bottom end of the fixed frame is rotatably connected to a connecting shaft via a bearing. A connecting frame is fixed between the two ends of the connecting shaft near the bottom of the fixed frame. A first rotating mechanism is provided on the fixed frame, and the first rotating mechanism is used to drive the connecting shaft to rotate. A second rotating mechanism is provided between the fixed frame and the support plate.

[0008] A connecting plate, the connecting plate being fixedly connected to the bottom end of the connecting frame, and a plurality of detachable vibrating rods are arranged in an array on the bottom side of the connecting plate;

[0009] The first rotating mechanism includes a movable column movable at the top end of the fixed frame, and the fixed frame is provided with a first driving assembly, the first driving assembly is used to drive the movable column to move, a tooth plate is provided on the bottom side of the movable column, the interior of the fixed frame is near the bottom of the movable column and is rotatably connected to a first gear through a rotating shaft, the first gear is meshed with the tooth plate, the interior of the fixed frame is near the bottom of the first gear and is rotatably connected to a second gear through a rotating shaft, the second gear is meshed with the first gear, and a third gear is fixed to the middle end of the connecting shaft and located on the inner side of the fixed frame, and the third gear is meshed with the second gear.

[0010] Preferably, the first driving assembly includes a first threaded rod rotatably connected to the top end of the fixed frame through a bearing, the movable column is connected to the outside of the first threaded rod through a threaded engagement, a first motor is provided at one end of the fixed frame, and the output end of the first motor is connected to the first threaded rod.

[0011] Preferably, the second rotation mechanism includes two limit grooves symmetrically arranged on the top of the support plate near the side of the cavity, the interiors of the two limit grooves are slidingly connected to the limit blocks, and the two limit blocks and the fixed frame are symmetrically connected by a rotating rod through a rotating shaft. A second drive assembly is provided in the limit groove, and the second drive assembly is used to drive the limit blocks to move.

[0012] Preferably, the second drive assembly includes a second threaded rod rotatably connected to one of the limit grooves through a bearing, and a guide rod is fixed in the other limit groove, one end of the second threaded rod extends outside the limit groove and is provided with a second motor, one of the limit blocks is connected to the outside of the second threaded rod by a threaded engagement, and the other limit block is slidably sleeved outside the guide rod.

[0013] Preferably, the lifting assembly includes a fixing seat, and cylinders are symmetrically provided at both ends of the top of the fixing seat, and the bottom ends of the two cylinders pass through the fixing seat and are fixedly connected to the support frame.

[0014] Preferably, mounting plates are symmetrically provided at both ends of the fixing seat, and a plurality of mounting holes are provided on the side walls of the mounting plates.

[0015] Preferably, a plurality of sliding cavities are provided inside the connecting plate, and a plurality of slideways communicating with the sliding cavities are provided on the bottom side of the connecting plate, and sliders that can move toward or away from each other are symmetrically provided at both ends of the interior of the sliding cavity, and the bottom ends of the two sliders are fixed with connecting strips matching the slideways, and the bottom ends of the two connecting strips pass through the slideways and are symmetrically connected with clamping rings, and the top end of the vibrating rod is clamped between the two clamping rings.

[0016] Preferably, the interior of the sliding cavity is rotatably connected to a bidirectional screw via a bearing, and the two sliders are respectively screwed together at both ends of the bidirectional screw via threads, and one end of the bidirectional screw extends outside the sliding cavity and is provided with a fixed handle.

[0017] Preferably, a positioning block is provided on the inner side of the clamp ring, and positioning grooves matching the positioning block are provided on both sides of the top end of the vibrating rod.

[0018] In the above technical solution, the technical effects and advantages provided by the present invention are:

[0019] By arranging a support plate, a fixed frame, a movable column, a connecting shaft, a connecting frame and a gear set, and cooperating with a first driving assembly, the movable column can be driven to move back and forth in the fixed frame, and the movable column can drive the connecting shaft to rotate left and right through the tooth plate and the gear set, and then the connecting shaft drives the connecting plate to rotate slowly through the connecting frame, so that the connecting plate can drive multiple groups of vibrating rods to deflect left and right, so as to quickly and accurately adjust the angle direction of the vibrating rods;

[0020] Furthermore, by arranging a limit block, a limit groove, a rotating rod and other structures between the fixed frame and the support plate, and cooperating with the second driving assembly, the limit block can push and pull the fixed frame through the rotating rod to stably rotate in the cavity, and then the fixed frame drives the connecting plate to deflect back and forth through the connecting frame to further adjust the direction of the vibrating rod, and then the insertion direction of the vibrating rod can be accurately adjusted according to needs, and the vibration effect can be fully and effectively guaranteed, thereby greatly improving the use effect of the device;

[0021] By arranging multiple groups of clamping rings, connecting strips, sliders, sliding cavities and fixed handles on the connecting plate, the two sliders can be driven to move toward or away from each other in the sliding cavity, and then the slider can drive the two clamping rings to quickly approach or move away from each other through the connecting strip to clamp the top of the vibrating rod, and the positioning block on the inside of the clamping ring can be inserted into the positioning groove on the side of the vibrating rod to further strengthen the vibrating rod, thereby realizing the rapid disassembly and assembly of the vibrating rod on the connecting plate, facilitating maintenance and replacement, and further improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0023] Figure 1 This is one of the overall structural diagrams of the present invention;

[0024] Figure 2 This is the second schematic diagram of the overall structure of the present invention;

[0025] Figure 3 This is one of the longitudinal cross-sectional views of the support frame and the fixing seat of the present invention;

[0026] Figure 4 This is the second longitudinal cross-sectional view of the support frame and the fixing seat of the present invention;

[0027] Figure 5 This is a schematic diagram of the connection structure between the fixing frame, the support plate and the connecting plate of the present invention;

[0028] Figure 6 This is a second schematic diagram of the connection structure between the fixing frame, the support plate and the connecting plate of the present invention;

[0029] Figure 7 is a transverse cross-sectional view of the support plate of the present invention;

[0030] Figure 8 This is a schematic diagram of the internal structure of the fixing frame of the present invention;

[0031] Figure 9 is a transverse cross-sectional view of the connecting plate of the present invention;

[0032] Figure 10 A longitudinal sectional view of the connecting plate of the present invention;

[0033] Figure 11 Schematic diagram of the connection structure between the connecting plate and the clamping ring of the present invention;

[0034] Figure 12 It is a structural schematic diagram of the vibrating rod of the present invention.

[0035] Description of reference numerals:

[0036] 1. Support frame; 2. Fixed seat; 3. Cylinder; 4. Mounting plate; 5. Support plate; 6. Cavity; 7. Fixed frame; 8. Connecting frame; 9. Connecting plate; 10. Vibrating rod; 11. Connecting shaft; 12. Movable column; 13. Tooth plate; 14. First gear; 15. Second gear; 16. Third gear; 17. First threaded rod; 18. First motor; 19. Limiting groove; 20. Limiting block; 21. Rotating rod; 22. Guide rod; 23. Second threaded rod; 24. Second motor; 25. Sliding cavity; 26. Sliding block; 27. Bidirectional screw; 28. Fixed handle; 29. ​​Connecting strip; 30. Slide; 31. Positioning block; 32. Positioning groove; 33. Clamping ring. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] The present invention provides Figures 1-12 The vibrating mechanism of an asphalt paver shown includes:

[0039] A support frame 1 is provided with a lifting assembly on the top of the support frame 1, and a support plate 5 is provided at the inner bottom end of the support frame 1;

[0040] The lifting assembly includes a fixed base 2 , and cylinders 3 are symmetrically arranged at both ends of the top of the fixed base 2 . The bottom ends of the two cylinders 3 pass through the fixed base 2 and are fixedly connected to the support frame 1 .

[0041] Mounting plates 4 are symmetrically provided at both ends of the fixing base 2 , and a plurality of mounting holes are provided on the side walls of the mounting plates 4 .

[0042] The support frame 1 is driven to move by the cylinder 3, so that the support frame 1 can drive the vibrating rod 10 to move up and down through the connecting plate 9, thereby controlling the depth of the vibrating rod 10 inserted into the asphalt.

[0043] A cavity 6 is provided at the middle end of the support plate 5. The interior of the cavity 6 is rotatably connected to a fixed frame 7 via a rotating shaft. The bottom end of the fixed frame 7 is rotatably connected to a connecting shaft 11 via a bearing. A connecting frame 8 is fixed between the two ends of the connecting shaft 11 near the bottom of the fixed frame 7. A first rotating mechanism is provided on the fixed frame 7, and the first rotating mechanism is used to drive the connecting shaft 11 to rotate. A second rotating mechanism is provided between the fixed frame 7 and the support plate 5.

[0044] The connecting plate 9 is fixedly connected to the bottom end of the connecting frame 8, and a plurality of detachable vibrating rods 10 are arranged in an array on the bottom side of the connecting plate 9; based on this, the vibrating rod 10 has a built-in micro motor, and the eccentric block is dragged by the built-in micro motor to generate a vibration frequency of up to 12,000 times / minute, which can easily resonate with asphalt and concrete components, so that the bubbles in the components are quickly discharged, and the cement, sand and steel frame are tightly connected into one, thereby achieving the purpose of vibration.

[0045] The first rotating mechanism includes a movable column 12 which is arranged at the top of the fixed frame 7 and a first driving assembly is provided on the fixed frame 7. The first driving assembly is used to drive the movable column 12 to move. A tooth plate 13 is provided on the bottom side of the movable column 12. A first gear 14 is rotatably connected to the bottom of the fixed frame 7 near the movable column 12 through a rotating shaft. The first gear 14 is engaged with the tooth plate 13. A second gear 15 is rotatably connected to the bottom of the fixed frame 7 near the first gear 14 through a rotating shaft. The second gear 15 is engaged with the first gear 14. A third gear 16 is fixed to the middle end of the connecting shaft 11 and located on the inner side of the fixed frame 7, and the third gear 16 is engaged with the second gear 15.

[0046] The first driving assembly includes a first threaded rod 17 rotatably connected to the top of the fixed frame 7 through a bearing, and the movable column 12 is screwed onto the outside of the first threaded rod 17 through a threaded engagement. A first motor 18 is provided at one end of the fixed frame 7, and the output end of the first motor 18 is connected to the first threaded rod 17. Based on this, by starting the first motor 18, the first motor 18 can drive the first threaded rod 17 to rotate, and then the first threaded rod 17 drives the movable column 12 to move in the fixed frame 7. Then, the movable column 12 drives the first gear 14 to rotate through the tooth plate 13, so that the first gear 14 drives the second gear 15 to rotate, and then the second gear 15 drives the third gear 16 to rotate, so that the third gear 16 drives the connecting shaft 11 to rotate, and then the connecting shaft 11 drives the connecting frame 8 to rotate at the bottom end of the fixed frame 7, so that the connecting frame 8 can drive the connecting plate 9 to rotate slowly, so that the connecting plate 9 can drive the multiple groups of vibrating rods 10 to deflect left and right, so as to quickly and accurately adjust the angle direction of the vibrating rods 10.

[0047] The second rotation mechanism includes two limit grooves 19 symmetrically arranged on the top side of the support plate 5 near the cavity 6. The inside of the two limit grooves 19 is slidably connected to the limit blocks 20. The two limit blocks 20 and the fixed frame 7 are symmetrically connected by a rotating rod 21 through a rotating shaft. A second driving assembly is provided in the limit groove 19, and the second driving assembly is used to drive the limit blocks 20 to move.

[0048] The second drive assembly includes a second threaded rod 23 rotatably connected to one of the limit slots 19 via a bearing, and a guide rod 22 is fixed in the other limit slot 19. One end of the second threaded rod 23 extends outside the limit slot 19 and is provided with a second motor 24. One limit block 20 is screwed onto the outside of the second threaded rod 23, and the other limit block 20 is slidably sleeved outside the guide rod 22. Based on this, by starting the second motor 24, the second motor 24 can drive the second threaded rod 23 to rotate, and then the second threaded rod 23 drives the limit block 20 to move within the limit slot 19, so that the limit block 20 drives the rotating rod 21 to rotate. Under the support and limitation of the other set of limit blocks 20, the limit slot 19 and the rotating rod 21, and with the guidance of the guide rod 22, the fixed frame 7 can be pushed and pulled to rotate stably within the cavity 6. Then, the fixed frame 7 drives the connecting plate 9 to deflect back and forth through the connecting frame 8 to further adjust the direction of the vibrating rod 10.

[0049] A plurality of slide cavities 25 are provided inside the connecting plate 9, and a plurality of slideways 30 communicating with the slide cavities 25 are provided on the bottom side of the connecting plate 9. Sliders 26 that can move toward or away from each other are symmetrically provided at both ends of the interior of the slide cavity 25. The bottom ends of the two slides 26 are fixed with connecting strips 29 that match the slideways 30. The bottom ends of the two connecting strips 29 pass through the slideways 30 and are symmetrically connected with clamping rings 33. The top end of the vibrating rod 10 is clamped between the two clamping rings 33.

[0050] A bidirectional screw 27 is rotatably connected to the interior of the sliding cavity 25 via a bearing. Two sliders 26 are screwed together at both ends of the bidirectional screw 27 via threads. One end of the bidirectional screw 27 extends outside the sliding cavity 25 and is provided with a fixing handle 28.

[0051] When in use, the support frame 1 can be driven to move by the lifting assembly, so that the support frame 1 drives the vibrating rod 10 to rise and fall through the connecting plate 9, thereby controlling the depth position of the vibrating rod 10 inserted into the asphalt, and by starting the second motor 24, the second motor 24 can drive the second threaded rod 23 to rotate, and then the second threaded rod 23 drives the limit block 20 to move in the limit groove 19, so that the limit block 20 drives the rotating rod 21 to rotate, and under the support and limit of another set of limit blocks 20, the limit groove 19 and the rotating rod 21, with the guidance of the guide rod 22, the fixed frame 7 can be pushed and pulled to rotate stably in the cavity 6, and then the fixed frame 7 drives the connecting plate 9 to deflect back and forth through the connecting frame 8 to adjust the direction of the vibrating rod 10, and by starting the first motor 18, the first motor 18 can drive The first threaded rod 17 is driven to rotate, and then the first threaded rod 17 drives the movable column 12 to move in the fixed frame 7. Then the movable column 12 drives the first gear 14 to rotate through the tooth plate 13, so that the first gear 14 drives the second gear 15 to rotate. Then the second gear 15 drives the third gear 16 to rotate, so that the third gear 16 drives the connecting shaft 11 to rotate, and then the connecting shaft 11 drives the connecting frame 8 to rotate at the bottom end of the fixed frame 7, so that the connecting frame 8 can drive the connecting plate 9 to rotate slowly, so that the connecting plate 9 can drive multiple groups of vibrating rods 10 to deflect left and right, so as to quickly and accurately adjust the angular direction of the vibrating rod 10, and then the insertion direction of the vibrating rod 10 can be accurately adjusted according to needs, and the compaction effect can be fully and effectively guaranteed, which greatly improves the use effect of the device.

[0052] A positioning block 31 is provided on the inner side of the clamping ring 33, and positioning grooves 32 matching the positioning blocks 31 are provided on both sides of the top of the vibrating rod 10. Based on this, by twisting the fixing handle 28, the fixing handle 28 can drive the bidirectional screw 27 to rotate, and then the bidirectional screw 27 drives the two sliders 26 to move toward or away from each other in the sliding cavity 25, so that the sliders 26 drive the connecting bar 29 to slide along the slide 30, and then the connecting bar 29 drives the clamping ring 33 to move, so that the two clamping rings 33 can be controlled to quickly move closer or farther away to clamp the top of the vibrating rod 10, and the positioning blocks 31 on the inner side of the clamping ring 33 can be inserted into the positioning grooves 32 on the side of the vibrating rod 10 to further strengthen the vibrating rod 10, thereby realizing the rapid disassembly and assembly of the vibrating rod 10 on the connecting plate 9, facilitating maintenance and replacement, and further improving the use effect of the device.

[0053] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.

Claims

1. A vibrating mechanism for an asphalt paver, characterized in that: include: A support frame (1), wherein a lifting assembly is provided on the top of the support frame (1), and a support plate (5) is provided on the inner bottom end of the support frame (1); A cavity (6) is provided at the middle end of the support plate (5), and a fixed frame (7) is rotatably connected to the interior of the cavity (6) via a rotating shaft. The bottom end of the fixed frame (7) is rotatably connected to a connecting shaft (11) via a bearing. A connecting frame (8) is fixed between the two ends of the connecting shaft (11) near the bottom of the fixed frame (7). A first rotating mechanism is provided on the fixed frame (7), and the first rotating mechanism is used to drive the connecting shaft (11) to rotate. A second rotating mechanism is provided between the fixed frame (7) and the support plate (5); A connecting plate (9), wherein the connecting plate (9) is fixedly connected to the bottom end of the connecting frame (8), and a plurality of detachable vibrating rods (10) are arranged in an array on the bottom side of the connecting plate (9); The first rotating mechanism includes a movable column (12) arranged at the top end of the fixed frame (7) and a first driving assembly is provided on the fixed frame (7). The first driving assembly is used to drive the movable column (12) to move. A tooth plate (13) is provided on the bottom side of the movable column (12). A first gear (14) is connected to the fixed frame (7) through a rotating shaft near the bottom of the movable column (12). The first gear (14) is engaged with the tooth plate (13). A second gear (15) is connected to the fixed frame (7) through a rotating shaft near the bottom of the first gear (14). The second gear (15) is engaged with the first gear (14). A third gear (16) is fixed to the middle end of the connecting shaft (11) and located on the inner side of the fixed frame (7), and the third gear (16) is engaged with the second gear (15).

2. The vibrating mechanism of an asphalt paver according to claim 1, characterized in that: The first driving assembly includes a first threaded rod (17) rotatably connected to the top end of the fixed frame (7) through a bearing, the movable column (12) is screwed to the outside of the first threaded rod (17) through a thread, and a first motor (18) is provided at one end of the fixed frame (7), and the output end of the first motor (18) is connected to the first threaded rod (17).

3. The vibrating mechanism of an asphalt paver according to claim 1, characterized in that: The second rotation mechanism comprises two limiting grooves (19) symmetrically arranged on one side of the top of the support plate (5) close to the cavity (6), the interiors of the two limiting grooves (19) are both slidably connected to the limiting blocks (20), and the two limiting blocks (20) and the fixed frame (7) are both symmetrically connected to each other through a rotating shaft via a rotating rod (21), and a second driving assembly is provided in the limiting groove (19), and the second driving assembly is used to drive the limiting blocks (20) to move.

4. The vibrating mechanism of an asphalt paver according to claim 3, characterized in that: The second drive assembly includes a second threaded rod (23) rotatably connected to one of the limiting grooves (19) through a bearing, and a guide rod (22) is fixed in the other limiting groove (19), one end of the second threaded rod (23) extends outside the limiting groove (19) and is provided with a second motor (24), one of the limiting blocks (20) is screwed to the outside of the second threaded rod (23) through a thread, and the other limiting block (20) is slidably sleeved outside the guide rod (22).

5. The vibrating mechanism of an asphalt paver according to claim 1, characterized in that: The lifting assembly comprises a fixed seat (2), cylinders (3) are symmetrically arranged at both ends of the top of the fixed seat (2), and the bottom ends of the two cylinders (3) pass through the fixed seat (2) and are fixedly connected to the support frame (1).

6. The vibrating mechanism of an asphalt paver according to claim 5, characterized in that: Mounting plates (4) are symmetrically provided at both ends of the fixing seat (2), and a plurality of mounting holes are provided on the side walls of the mounting plates (4).

7. The vibrating mechanism of an asphalt paver according to claim 1, characterized in that: The connecting plate (9) is provided with a plurality of sliding cavities (25) inside, and a plurality of slideways (30) communicating with the sliding cavities (25) are provided on the bottom side of the connecting plate (9). Sliders (26) that can move toward or away from each other are symmetrically provided at both ends inside the sliding cavity (25). The bottom ends of the two slides (26) are fixed with connecting strips (29) that match the slideways (30). The bottom ends of the two connecting strips (29) pass through the slideways (30) and are symmetrically connected with clamping rings (33). The top end of the vibrating rod (10) is clamped between the two clamping rings (33).

8. The vibrating mechanism of an asphalt paver according to claim 7, characterized in that: The interior of the sliding cavity (25) is rotatably connected to a bidirectional screw (27) via a bearing, and the two sliders (26) are screwed together at both ends of the bidirectional screw (27) via threads. One end of the bidirectional screw (27) extends outside the sliding cavity (25) and is provided with a fixed handle (28).

9. The vibrating mechanism of an asphalt paver according to claim 7, characterized in that: A positioning block (31) is provided on the inner side of the clamping ring (33), and positioning grooves (32) matching the positioning block (31) are provided on both sides of the top end of the vibrating rod (10).

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