Steel wheel roller and pneumatic tyred roller

Abstract

The utility model relates to the technical field of road roller equipment, in particular to a steel wheel roller and a pneumatic tire roller, which comprise a pair of steel wheel cylinders, a driving motor, a vibrating motor, a reset spring, an input shaft, a connecting frame, an end cover, a vibrating shaft, a fixed eccentric block, a movable eccentric block, a stop pin, a vibrating bearing, a bearing seat, a rubber shock absorber, a rotary support bearing and a rotary sleeve, the pair of steel wheel cylinders is arranged in a bilateral symmetry mode, each steel wheel cylinder comprises a cylinder body, an inner supporting center plate is arranged at the left end in the cylinder body and fixedly connected with the inner wall of the cylinder body, and an outer supporting center plate is arranged on the right side of the inner supporting center plate and fixedly connected with the inner wall of the cylinder body. According to the utility model, the movable eccentric block on the vibration shaft continuously falls downwards in the advancing process of the road roller to generate downward pressure, the gravity of a traditional solid steel wheel cylinder is replaced, the space in the steel wheel cylinder is liberated, the hollow cylinder body enables the steel wheel cylinder to be lighter, the moving speed of the road roller is faster, and the road roller is more compact in structure. And the hollow cylinder body also enables the production cost to be lower.

Description

Technical Field

[0001] The utility model relates to the technical field of road roller equipment, in particular to a steel wheel drum and a tire road roller. Background Art

[0002] A road roller is an earth-moving machinery that integrates mechanical, hydraulic and electrical technologies. It is suitable for compacting the surface of high-grade highways, airports, parking lots and other construction projects. It is also suitable for compacting large foundations, secondary foundations and embankment fills.

[0003] However, most of the existing steel wheel drums of road rollers are solid steel bodies, which makes the steel wheel drum extremely heavy, the moving speed of the road roller is slow, resulting in a slow rolling speed, and the solid steel body requires a large amount of steel for casting, which makes the production cost higher. Utility Model Content

[0004] The utility model provides a steel wheel drum and a tire roller.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A steel wheel drum comprises a pair of steel wheel drums, a driving motor, a vibration motor, a return spring, an input shaft, a connecting frame, an end cover, a vibration shaft, a fixed eccentric block, a movable eccentric block, a stop pin, a vibration bearing, a bearing seat, a rubber shock absorber, a slewing support bearing, and a slewing sleeve. The pair of steel wheel drums are symmetrically arranged on the left and right sides. The steel wheel drum comprises a cylinder body, which is hollow. An inner support web is provided at the left end of the cylinder body, and the inner support web is fixedly connected to the inner wall of the cylinder. An outer support web is provided on the right side of the inner support web, and the outer support web is fixedly connected to the inner wall of the cylinder. The outer support web and the inner support web are provided with a connecting web, and both ends of the connecting web are fixedly connected to the outer support web and the inner support web. A vibration shaft, wherein a pair of bearing seats are symmetrically provided at both ends of the vibration shaft, both ends of the vibration shaft are movably connected to the bearing seats through vibration bearings, the bearing seats are fixedly connected to the outer end surface of the outer supporting web by bolts, and two pairs of fixed eccentric blocks are symmetrically provided on the vibration shaft, the two pairs of fixed eccentric blocks are fixedly connected to the vibration shaft, a stop pin is fixed between the fixed eccentric blocks, the fixed eccentric blocks are located between the inner supporting web and the outer supporting web, a movable eccentric block is provided between the fixed eccentric blocks, a coarse connecting slot is provided in the movable eccentric block, the movable eccentric block is movably connected to the vibration shaft through the coarse connecting slot, a fine connecting slot is provided above the coarse connecting slot, and the movable eccentric block is movably connected to the stop pin through the fine connecting slot.

[0007] Furthermore, a pair of end covers are symmetrically provided on the outer side of the bearing seat, and the end covers are fixedly connected to the outer side of the bearing seat by bolts, and the bearing seat and the end covers are coaxially arranged.

[0008] Furthermore, a driving motor is provided on the outside of the end cover, and the driving motor is fixedly connected to the end cover by bolts. An input shaft is provided at the center of the driving motor, and the left end of the input shaft is connected to the vibration shaft by a key.

[0009] Furthermore, a vibration motor is provided outside the driving motor, the vibration motor is fixedly connected to the outside of the driving motor, the inner output end of the vibration motor is fork-connected to the right end of the input shaft, and a return spring is installed between the inner output end of the vibration motor and the input shaft.

[0010] Furthermore, a connecting frame is provided on the outside of the vibration motor, and the connecting frame is fixedly connected to the outside of the vibration motor by bolts. A plurality of rubber shock absorbers are provided on the outside of the connecting frame, and the rubber shock absorbers are symmetrically arranged front to back, and the rubber shock absorbers are fixedly connected to the outside of the connecting frame by bolts.

[0011] Furthermore, a slewing support bearing is provided between the inner support webs, the slewing support bearing is fixedly connected to the inner support webs by bolts, a slewing sleeve is provided on the outer side of the slewing support bearing, and the slewing sleeve is movably connected to the slewing support bearing.

[0012] A tire roller comprises a steel wheel drum.

[0013] Beneficial effects: The utility model arranges a symmetrical steel wheel drum and a vibration shaft in the steel wheel drum. The movable eccentric block on the vibration shaft continuously falls downward during the movement of the roller to generate downward pressure, thereby replacing the gravity of the traditional solid steel wheel drum and freeing up the space in the steel wheel drum. The hollow cylinder makes the steel wheel drum lighter, the roller moves faster, and the hollow cylinder also reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 It is a left-side structural schematic diagram of the utility model;

[0016] Figure 3 It is a partial enlarged view of A of the utility model;

[0017] Figure 4 It is a left-side structural schematic diagram of the movable eccentric block of the utility model;

[0018] 1 steel drum, 2 driving motor, 3 vibration motor, 4 return spring, 5 input shaft, 6 connecting frame, 7 end cover, 8 vibration shaft, 9 fixed eccentric block, 10 movable eccentric block, 11 stop pin, 12 vibration bearing, 13 bearing seat, 14 rubber shock absorber, 15 slewing support bearing, 16 slewing sleeve;

[0019] 1001 is a coarse connection slot, and 1002 is a fine connection slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] Reference Figure 1-4 , a steel wheel drum and tire roller, including a pair of steel wheel drums 1, a driving motor 2, a vibration motor 3, a reset spring 4, an input shaft 5, a connecting frame 6, an end cover 7, a vibration shaft 8, a fixed eccentric block 9, a movable eccentric block 10, a stop pin 11, a vibration bearing 12, a bearing seat 13, a rubber shock absorber 14, a slewing support bearing 15, and a slewing sleeve 16. The pair of steel wheel drums 1 are symmetrically arranged on the left and right sides, and the steel wheel drum 1 includes a cylinder body, which is hollow, and an inner supporting web plate is provided at the left end of the cylinder body, and the inner supporting web plate is fixedly connected to the inner wall of the cylinder, and an outer supporting web plate is provided on the right side of the inner supporting web plate, and the outer supporting web plate is fixedly connected to the inner wall of the cylinder, and the outer supporting web plate and the inner supporting web plate are provided with a connecting web plate, and both ends of the connecting web plate are fixedly connected to the outer supporting web plate and the inner supporting web plate, and a vibration shaft 8 is provided in the steel wheel drum 1, and the vibration A pair of bearing seats 13 are symmetrically provided at both ends of the shaft 8, and both ends of the vibration shaft 8 are movably connected to the bearing seats 13 through vibration bearings 12, and the bearing seats 13 are fixedly connected to the outer end surface of the outer supporting web by bolts, and two pairs of fixed eccentric blocks 9 are symmetrically provided on the vibration shaft 8, and the two pairs of fixed eccentric blocks 9 are fixedly connected to the vibration shaft 8, and a stop pin 11 is fixed between the fixed eccentric blocks 9, and the fixed eccentric blocks 9 are located between the inner supporting web and the outer supporting web. A movable eccentric block 10 is provided between the fixed eccentric blocks 9, and a coarse connecting slot 1001 is provided in the movable eccentric block 10, and the movable eccentric block 10 is movably connected to the vibration shaft 8 through the coarse connecting slot 1001, and a fine connecting slot 1002 is provided above the coarse connecting slot 1001, and the movable eccentric block 10 is movably connected to the stop pin 11 through the fine connecting slot 1002.

[0023] A pair of end covers 7 are symmetrically arranged on the outer side of the bearing seat 13 . The end covers 7 are fixedly connected to the outer side of the bearing seat 13 by bolts. The bearing seat 13 and the end covers 7 are coaxially arranged.

[0024] A driving motor 2 is disposed outside the end cover 7 , and the driving motor 2 is fixedly connected to the end cover 7 by bolts. An input shaft 5 is disposed at the center of the driving motor 2 , and the left end of the input shaft 5 is connected to the vibration shaft 8 by a key.

[0025] A vibration motor 3 is provided outside the driving motor 2, and the vibration motor 3 is fixedly connected to the outside of the driving motor 2. The inner output end of the vibration motor 3 is fork-connected with the right end of the input shaft 5, and a return spring 4 is installed between the inner output end of the vibration motor 3 and the input shaft 5.

[0026] A connecting frame 6 is provided on the outside of the vibration motor 3, and the connecting frame 6 is fixedly connected to the outside of the vibration motor 3 by bolts. A plurality of rubber shock absorbers 14 are provided on the outside of the connecting frame 6, and the rubber shock absorbers 14 are symmetrically arranged front to back, and the rubber shock absorbers 14 are fixedly connected to the outside of the connecting frame 6 by bolts.

[0027] A slewing support bearing 15 is provided between the inner support webs. The slewing support bearing 15 is fixedly connected to the inner support webs by bolts. A slewing sleeve 16 is provided outside the slewing support bearing 15 . The slewing sleeve 16 is movably connected to the slewing support bearing 15 .

[0028] A tire roller comprises a steel wheel drum.

[0029] Working principle:

[0030] A symmetrical steel wheel drum 1 is provided, and a vibration shaft 8 is provided in the steel wheel drum 1. The movable eccentric block 10 on the vibration shaft 8 continuously falls downward during the movement of the roller to generate downward pressure, thereby replacing the gravity of the traditional solid steel wheel drum 1 and freeing up the space in the steel wheel drum 1. The hollow cylinder makes the steel wheel drum 1 lighter, the roller moves faster, and the hollow cylinder also reduces the production cost.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steel wheel drum, characterized in that: The invention comprises a pair of steel wheel drums (1), a driving motor (2), a vibration motor (3), a return spring (4), an input shaft (5), a connecting frame (6), an end cover (7), a vibration shaft (8), a fixed eccentric block (9), a movable eccentric block (10), a stop pin (11), a vibration bearing (12), a bearing seat (13), a rubber shock absorber (14), a slewing support bearing (15), and a slewing sleeve (16). The pair of steel wheel drums (1) are symmetrically arranged on the left and right sides. The steel wheel drum (1) comprises a cylinder body, which is hollow. An inner support web is arranged at the left end of the cylinder body. The inner support web is fixedly connected to the inner wall of the cylinder body. An outer support web is arranged on the right side of the inner support web. The outer support web is fixedly connected to the inner wall of the cylinder body. The outer support web and the inner support web are provided with a connecting web. Both ends of the connecting web are fixedly connected to the outer support web and the inner support web. A vibration shaft (8) is arranged in the steel wheel drum (1). A pair of symmetrical connecting webs are arranged at both ends of the vibration shaft (8). A bearing seat (13), both ends of the vibration shaft (8) are movably connected to the bearing seat (13) through a vibration bearing (12), the bearing seat (13) is fixedly connected to the outer end surface of the outer support plate by bolts, two pairs of fixed eccentric blocks (9) are symmetrically arranged on the vibration shaft (8), the two pairs of fixed eccentric blocks (9) are fixedly connected to the vibration shaft (8), a stop pin (11) is fixed between the fixed eccentric blocks (9), and the fixed eccentric blocks (9) are located on the inner support plate. Between the fixed eccentric block (9) and the outer supporting web, a movable eccentric block (10) is provided, a coarse connection slot (1001) is provided in the movable eccentric block (10), the movable eccentric block (10) is movably connected to the vibration shaft (8) via the coarse connection slot (1001), a fine connection slot (1002) is provided above the coarse connection slot (1001), the movable eccentric block (10) is movably connected to the stop pin (11) via the fine connection slot (1002).

2. A steel wheel drum according to claim 1, characterized in that: A pair of end covers (7) are symmetrically arranged on the outer side of the bearing seat (13); the end covers (7) are fixedly connected to the outer side of the bearing seat (13) by bolts; and the bearing seat (13) and the end covers (7) are coaxially arranged.

3. The steel wheel drum according to claim 1, characterized in that: A drive motor (2) is provided on the outside of the end cover (7), and the drive motor (2) is fixedly connected to the end cover (7) by bolts. An input shaft (5) is provided at the center of the drive motor (2), and the left end of the input shaft (5) is keyed to the vibration shaft (8).

4. The steel wheel drum according to claim 1, characterized in that: A vibration motor (3) is provided on the outside of the driving motor (2), the vibration motor (3) is fixedly connected to the outside of the driving motor (2), the inner output end of the vibration motor (3) is fork-connected to the right end of the input shaft (5), and a return spring (4) is installed between the inner output end of the vibration motor (3) and the input shaft (5).

5. The steel wheel drum according to claim 1, characterized in that: A connecting frame (6) is provided on the outside of the vibration motor (3), and the connecting frame (6) is fixedly connected to the outside of the vibration motor (3) by bolts. A plurality of rubber shock absorbers (14) are provided on the outside of the connecting frame (6), and the rubber shock absorbers (14) are symmetrically arranged front and back, and the rubber shock absorbers (14) are fixedly connected to the outside of the connecting frame (6) by bolts.

6. The steel wheel drum according to claim 1, characterized in that: A slewing support bearing (15) is provided between the inner support webs, the slewing support bearing (15) is fixedly connected to the inner support webs via bolts, a slewing sleeve (16) is provided outside the slewing support bearing (15), and the slewing sleeve (16) is movably connected to the slewing support bearing (15).

7. A tire roller, characterized in that: A steel wheel drum comprising any one of claims 1-6.

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