A vibratory roller with intermediate support and a road roller

Abstract

This invention discloses a vibratory roller and road roller with an intermediate support type in the field of vibratory rollers, including a first vibrating unit and a second vibrating unit; the first and second vibrating units are respectively connected to both sides of a support arm; the first and second vibrating units include a pressure roller assembly, a bearing seat A, and a bearing seat B; the support arm is installed between the bearing seat B of the first vibrating unit and the bearing seat B of the second vibrating unit; the pressure roller assembly is disposed on the bearing seat A; one end of the bearing seat A and the bearing seat B are rotatably connected by a first bearing, and the other end of the bearing seat A is rotatably connected to an eccentric block by a second bearing; a drive shaft is provided inside the bearing seat A; the eccentric block and the drive shaft are connected by a bearing cover; a vibratory motor drives the drive shaft and the eccentric block to rotate; the bearing cover seals the second bearing to prevent external interference from affecting the service life of the drive shaft and the bearing.

Description

Technical Field

[0001] This invention belongs to the field of road engineering machinery technology, specifically relating to a vibratory wheel and road roller with intermediate support. Background Technology

[0002] Vibratory rollers are an indispensable tool in modern road construction. However, for road surfaces that are in close contact with buildings, ordinary rollers cannot achieve the desired compaction by having support arms on both sides of the vibratory wheel that are connected to the upper structure and extend beyond the wheel rim. Summary of the Invention

[0003] The purpose of this invention is to provide a vibratory roller and road roller with an intermediate support, which can achieve compaction of the road surface against a wall.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: On one hand, an embodiment of the present invention provides a vibratory wheel with an intermediate support, comprising a first vibrating unit and a second vibrating unit; the first and second vibrating units are respectively connected to both sides of a support arm; the first and second vibrating units include a pressure wheel assembly, a bearing seat A, and a bearing seat B; the support arm is installed between the bearing seat B of the first and second vibrating units; the bearing seat A is installed on the pressure wheel assembly; one end of the bearing seat A and the bearing seat B are rotatably connected via a first bearing, and the other end of the bearing seat A is rotatably connected to an eccentric block via a second bearing;

[0005] The bearing housing A is provided with a drive shaft; the drive shaft is rotatably connected to the bearing housing A through a third bearing; the bearing cover has a through hole for installing the drive shaft in the center, and the bearing cover and the drive shaft are connected by bolts; the second bearing is disposed in the eccentric block; the bearing cover covers one side of the eccentric block, and the bearing cover and the eccentric block are connected by screws;

[0006] The first and second vibration units are equipped with vibration motors, which drive the transmission shaft and eccentric block to rotate.

[0007] Furthermore, the first vibration unit and the second vibration unit are symmetrically arranged on both sides of the support arm; the first vibration unit, the second vibration unit and the support arm are detachably connected.

[0008] Furthermore, a sealing cover is provided on the eccentric block; the sealing cover is provided on one side of the second bearing, and the bearing cover is provided on the other side of the second bearing; the sealing cover covers the periphery of the second bearing.

[0009] Furthermore, the bearing housing B is provided with a stepped hole, and the first bearing is disposed in the stepped hole of the bearing housing B; a connecting plate is covered on the outside of the first bearing, and the connecting plate is used to fix and seal the first bearing; the connecting plate is connected to the bearing housing B; and a vibration motor is disposed on the connecting plate.

[0010] Furthermore, a spline sleeve is provided inside the bearing housing A, and the output shaft of the vibration motor is connected to one side of the spline sleeve; the transmission shaft is connected to the other side of the spline sleeve.

[0011] Furthermore, the pressure roller assembly includes a wheel rim; a support plate is radially disposed on the wheel rim; the bearing seat A is connected to the inside of the wheel rim through the support plate; the axis of the bearing seat A and the axis of the wheel rim coincide.

[0012] Furthermore, a sealing cover is provided outside the eccentric block; the sealing cover is connected to the bearing seat A by screws.

[0013] On the other hand, embodiments of the present invention also provide a road roller, including a frame and a vibratory wheel in the form of an intermediate support; the support arm of the vibratory wheel in the form of an intermediate support includes a horizontal plate, a vertical plate and a rod; the first vibration unit and the second vibration unit are detachably connected to both sides of the horizontal plate; the middle part of the horizontal plate is connected to one side of the vertical plate; two rods are connected to the other side of the vertical plate; the rods are mounted on the frame through a shock absorber.

[0014] Furthermore, two support arms are provided between the first vibration unit and the second vibration unit.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0016] (1) In this invention, the first vibration unit and the second vibration unit are respectively connected to both sides of the support arm; this can avoid interference between the support arm of the vibration wheel and the wall when compacting the road surface, and can achieve compaction of the road surface against the wall.

[0017] (2) In this invention, the first vibration unit and the second vibration unit are detachably connected to both sides of the support arm; by replacing the pressure roller assembly of different widths in the vibration unit, the compaction width can be adjusted.

[0018] (3) In this invention, the other end of the bearing seat A is rotatably connected to an eccentric block through a second bearing; a transmission shaft is provided inside the bearing seat A; the eccentric block and the transmission shaft are connected through a bearing cover; the vibration motor drives the transmission shaft and the eccentric block to rotate; making the structure of the vibration wheel more compact; and realizing the miniaturization of the vibration unit.

[0019] (4) The bearing cover has a through hole for mounting the drive shaft in the center, and the bearing cover and the drive shaft are connected by bolts; the second bearing is set in the eccentric block; the bearing cover covers one side of the eccentric block, and the bearing cover and the eccentric block are connected by screws; the vibration motor drives the drive shaft and the eccentric block to rotate; the bearing cover seals the second bearing, improves the sealing performance of the drive shaft and the bearing, and avoids external interference from affecting the service life of the drive shaft and the bearing. Attached Figure Description

[0020] Figure 1 This is a structural diagram of a vibrating wheel with an intermediate support provided by the present invention;

[0021] Figure 2 This is a side view of a vibrating wheel with intermediate support provided by the present invention;

[0022] Figure 3 This is a structural diagram of the first vibration unit provided by the present invention;

[0023] Figure 4 This is a structural diagram of the support arm provided by the present invention;

[0024] Figure 5 This is a diagram showing the connection relationship between the frame and the vibrating wheel provided by the present invention;

[0025] Figure 6 This is a side view of the frame and vibrating wheel provided by the present invention;

[0026] In the diagram: 1-First vibration unit; 2-Pressure roller assembly; 3-Wheel rim; 4-Support plate; 5-Bearing seat A; 6-Bearing seat B; 7-First bearing; 8-Connecting disc; 9-Spline sleeve; 10-Sealing cover; 11-Eccentric block; 12-Second bearing; 13-Bearing cover; 14-Drive shaft; 15-Third bearing; 16-Sealing cover; 17-Second vibration unit; 18-Support arm; 19-Horizontal plate; 20-Vertical plate; 21-Bar; 22-Shock absorber; 23-Vibration motor; 24-Frame. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0028] It should be noted that in the description of this invention, the terms "front," "rear," "left," "right," "upper," "lower," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing the invention and do not require the invention to be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on the invention. The terms "front," "rear," "left," "right," "upper," and "lower" used in the description of this invention refer to the directions shown in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0029] Example 1

[0030] like Figures 1 to 4 As shown, this embodiment of the invention provides a vibratory wheel with intermediate support, including a support arm 18, a first vibration unit 1, and a second vibration unit 17. The first vibration unit 1 and the second vibration unit 17 are detachably connected to both sides of the support arm 18, which can prevent the support arm 18 of the vibratory wheel from interfering with the wall when compacting the road surface, and can achieve compaction of the road surface against the wall. By replacing the pressure roller assemblies of different widths in the vibration unit, the compaction width can be adjusted. The support arm 18 is installed between the bearing seat B of the first vibration unit 1 and the bearing seat B of the second vibration unit 17. The axes of the first vibration unit 1 and the second vibration unit 17 are coincident. The first vibration unit 1 and the second vibration unit 17 have the same structure, ensuring that the parts of the first vibration unit 1 and the second vibration unit 17 are interchangeable.

[0031] The first vibration unit 1 and the second vibration unit 17 include a pressure roller assembly 2, a bearing seat A5 and a bearing seat B6; the bearing seat A5 is mounted on the pressure roller assembly 2; the bearing seat B6 is disposed on the support arm 18; the pressure roller assembly 2 includes a wheel rim 3; a support plate 4 is radially disposed inside the wheel rim 3; the bearing seat A5 is connected to the wheel rim 3 through the support plate 4; the axes of the bearing seat A5 and the wheel rim 3 coincide.

[0032] One end of the bearing housing A5 and the bearing housing B6 are rotatably connected by a first bearing 7; the other end of the bearing housing A5 is rotatably connected to an eccentric block 11 by a second bearing 12; a sealing cover 16 is provided on the outside of the eccentric block 11; the sealing cover 16 is connected to the bearing housing A5 by screws.

[0033] The bearing housing B6 has a stepped hole, and the first bearing 7 is disposed in the stepped hole of the bearing housing B6; the first bearing 7 is covered by a connecting plate 8, which is used to fix and seal the first bearing 7; the connecting plate 8 is connected to the bearing housing B6; the vibration motor 23 is disposed on the connecting plate 8.

[0034] The bearing housing A5 is provided with a drive shaft 14; the drive shaft 14 is rotatably connected to the bearing housing A5 via a third bearing 15; the bearing cover 13 has a through hole for mounting the drive shaft 14 at its center, and the bearing cover 13 and the drive shaft 14 are connected by bolts; the second bearing 12 is disposed inside the eccentric block 11; the bearing cover 13 covers one side of the eccentric block 11, and the bearing cover 13 is connected to the eccentric block 11 by screws;

[0035] The output shaft of the vibration motor 23 is connected to one side of the spline sleeve 9; the transmission shaft 14 is connected to the other side of the spline sleeve 9; the spline sleeve 9 is mounted on the bearing seat A5; the vibration motor 23 drives the transmission shaft 14 and the eccentric block 11 to rotate; making the structure of the vibration wheel more compact; and realizing the miniaturization of the vibration unit.

[0036] A sealing cover 10 is provided on the eccentric block 11; the eccentric block 11 and the bearing seat A5 are provided with shoulders for positioning the sealing cover 10; the sealing cover 10 is provided on one side of the second bearing 12, and the bearing cover 13 is provided on the other side of the second bearing 12; a sealing shield 16 is provided outside the eccentric block 1; the sealing shield 16 is connected to the bearing seat A5 by screws, and the sealing shield 16 covers the periphery of the second bearing 12. By setting the sealing shield 16, the second bearing 12 is provided with a first-level seal, which can play a role in preventing external interference such as sand and gravel; the bearing cover 13 and the sealing cover 10 provide a second-level seal for the second bearing 12; the vibration motor 23 and the connecting plate 8 seal the first bearing 7; the sealing performance of the drive shaft and bearing is improved, and the service life of the drive shaft and bearing can be effectively avoided by external interference.

[0037] Example 2

[0038] Secondly, embodiments of the present invention provide a road roller, such as... Figure 5 and Figure 6 As shown, the vehicle includes a frame and a vibration wheel in the form of an intermediate support as described in Embodiment 1. Two support arms 18 are provided between the first vibration unit 1 and the second vibration unit 17. The support arms 18 of the vibration wheel in the form of an intermediate support include a horizontal plate 19, a vertical plate 20, and rods 21. The first vibration unit 1 and the second vibration unit 17 are detachably connected to both sides of the horizontal plate 19. The middle part of the horizontal plate 19 is connected to one side of the vertical plate 20. Two rods 21 are connected to the other side of the vertical plate 20. The rods 21 are mounted on the frame 24 through a shock absorber 22.

[0039] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A vibratory wheel with intermediate support, characterized in that, It includes a first vibration unit (1) and a second vibration unit (17); the first vibration unit and the second vibration unit are respectively connected to both sides of the support arm (18); the first vibration unit (1) and the second vibration unit (17) include a pressure roller assembly (2), a bearing seat A (5) and a bearing seat B (6); the support arm (18) is installed between the bearing seat B of the first vibration unit (1) and the bearing seat B of the second vibration unit (17); the bearing seat A (5) is installed on the pressure roller assembly (2); one end of the bearing seat A (5) and the bearing seat B (6) are rotatably connected by a first bearing (7), and the other end of the bearing seat A (5) is rotatably connected to the eccentric block (11) by a second bearing (12); The bearing housing A (5) is provided with a drive shaft (14); the drive shaft (14) is rotatably connected to the bearing housing A (5) through a third bearing (15); the bearing cover (13) is provided with a through hole for installing the drive shaft (14) in the center, and the bearing cover (13) and the drive shaft (14) are connected by bolts; the second bearing (12) is provided in the eccentric block (11); the bearing cover (13) covers one side of the eccentric block (11), and the bearing cover (13) and the eccentric block (11) are connected by screws; The first vibration unit (1) and the second vibration unit (17) are equipped with a vibration motor (23), which drives the transmission shaft (14) and the eccentric block (11) to rotate.

2. The vibratory wheel with intermediate support according to claim 1, characterized in that, The first vibration unit (1) and the second vibration unit (17) are symmetrically arranged on both sides of the support arm (18); the first vibration unit (1), the second vibration unit (17) and the support arm (18) are detachably connected.

3. The vibratory wheel with intermediate support according to claim 1, characterized in that, A sealing cover (10) is provided on the eccentric block (11); the sealing cover (10) is provided on one side of the second bearing (12), and the bearing cover (13) is provided on the other side of the second bearing (12); the sealing cover (16) covers the periphery of the second bearing (12).

4. The vibratory wheel with intermediate support according to claim 1, characterized in that, The bearing housing B (6) is provided with a stepped hole, and the first bearing (7) is disposed in the stepped hole of the bearing housing B (6); the first bearing (7) is covered by a connecting plate (8), which is used to fix and seal the first bearing (7); the connecting plate (8) is connected to the bearing housing B (6); the vibration motor is disposed on the connecting plate (8).

5. A vibratory wheel with intermediate support as described in claim 4, characterized in that, The bearing housing A (5) is provided with a spline sleeve (9), and the output shaft of the vibration motor is connected to one side of the spline sleeve (9); the transmission shaft (14) is connected to the other side of the spline sleeve (9).

6. The vibratory wheel with intermediate support according to claim 1, characterized in that, The pressure roller assembly (2) includes a wheel rim (3); a support plate (4) is radially arranged on the wheel rim (3); the bearing seat A (5) is connected to the wheel rim (3) through the support plate (4); the bearing seat A (5) and the wheel rim (3) have their axes coincident.

7. The vibratory wheel with intermediate support according to claim 1, characterized in that, The eccentric block (1) is provided with a sealing cover (16); the sealing cover (16) is connected to the bearing seat A (5) by screws.

8. A road roller, characterized in that, The vehicle includes a frame and a vibration wheel in the form of an intermediate support as described in any one of claims 1 to 7; the support arm (18) of the vibration wheel in the form of an intermediate support includes a horizontal plate (19), a vertical plate (20) and a rod (21); the first vibration unit (1) and the second vibration unit (17) are detachably connected to both sides of the horizontal plate (19); the middle part of the horizontal plate (19) is connected to one side of the vertical plate (20); two rods (21) are connected to the other side of the vertical plate (20); the rods (21) are mounted on the frame (24) through a shock absorber (22).

9. A road roller according to claim 8, characterized in that, Two support arms (18) are provided between the first vibration unit (1) and the second vibration unit (17).

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