Concrete pavement leveling device
By designing foldable and unfolding outstretched leg structures and rollers in a concrete paving and leveling machine, the problem of labor-intensive and difficult steering of the rollers during short-distance transport in the prior art is solved, and the convenience and efficiency of construction are improved.
Patent Information
- Application Number
- CN202421044658.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-14
AI Technical Summary
Existing concrete paving and leveling machines are laborious and difficult to turn during short-distance transport, especially because the drum is long and the material is metal, making it difficult for workers to pull.
A concrete surface layer leveling device is designed, with the main support seat and the secondary support seat at both ends of the roller, and a rotatable cylinder shaft and hydraulic motor are installed on the support seat, adding the leg structure and roller, and the legs can be folded. and expand to facilitate short-distance transportation.
By adding leg structure and rollers, the device is easy to transport and transfer, the labor intensity of workers is reduced, and the convenience of construction is improved.
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Figure CN222251625U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of concrete construction, in particular to a concrete surface leveling device. Background Art
[0002] In the process of concrete paving construction on road surfaces and drainage channels, a paving and leveling machine is needed to level the concrete surface layer. In the prior art, a Chinese utility model patent with application number CN201220210396.9 discloses a concrete paving and leveling machine, which includes a drum, a main operating lever, a slave operating lever and a hydraulic motor.
[0003] During short-distance transport, the device is usually pulled and rotated by means of a roller that directly rolls in contact with the ground. Since the roller is long and made of metal, it is very difficult for workers to pull it and it is not easy to turn. Utility Model Content
[0004] Based on the above problems, the purpose of the utility model is to provide a concrete surface leveling device, and the utility model adopts the following technical solutions:
[0005] The utility model provides a concrete surface layer leveling device, comprising a drum, wherein two ends of the drum are respectively provided with a main support seat and a secondary support seat, and the main support seat and the secondary support seat are both provided with a rotatable drum shaft, the inner end of the drum shaft is detachably connected to the drum, and the main support seat is provided with a hydraulic motor that drives the drum shaft to rotate. The main support seat is connected with a main operating rod, and the secondary support seat is connected with the secondary operating rod. The outer sides of the main support seat and the secondary support seat are both provided with support legs, one end of the support leg is provided with a swing rotating shaft, the swing rotating shaft is rotatably connected with the main support seat and the secondary support seat, and the other end of the support leg is provided with a roller; a fixing hole is provided on the support leg, and a folding positioning hole and an unfolding positioning hole are respectively provided on the outer side walls of the main support seat and the secondary support seat with the swing rotating shaft as the center and at equal distances, and the fixing hole is respectively positioned and matched with the folding positioning hole and the unfolding positioning hole through a locating pin.
[0006] Preferably, lifting handles are provided on the outer side walls of the main support seat and the auxiliary support seat.
[0007] Preferably, the main support seat and the auxiliary support seat are both provided with a rod seat, and the rod seat is rotatably connected to the main operating rod and the auxiliary operating rod through a rotating pin; the rotation axis of the rod seat and the main operating rod and the auxiliary operating rod is perpendicular to the axis of the drum.
[0008] Preferably, blocking plates are fixed in the inner holes at both ends of the drum, and shaft sleeves are arranged on the outer sides of the blocking plates. The shaft sleeves are plug-fitted with the cylinder shaft and fixed by positioning pins.
[0009] Preferably, a reversing valve group is installed on the main operating lever.
[0010] Compared with the prior art, the beneficial technical effects of the utility model are:
[0011] The utility model adds a leg structure with rollers, which is convenient for workers to carry and transfer and improves the convenience of construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model will be further described below in conjunction with the accompanying drawings.
[0013] Figure 1 It is a top view structural schematic diagram of the concrete surface leveling device in the embodiment of the utility model;
[0014] Figure 2 It is a right side structural schematic diagram of the concrete surface leveling device in the embodiment of the utility model;
[0015] Figure 3 This is the construction status diagram of the utility model;
[0016] Figure 4 This is a transport state diagram of the utility model;
[0017] Figure 5 It is a schematic diagram of the connection structure between the drum shaft and the drum in the embodiment of the utility model.
[0018] Description of reference numerals: 1. drum; 2. main support seat; 3. auxiliary support seat; 4. drum shaft; 5. hydraulic motor; 6. main operating lever; 7. auxiliary operating lever; 8. outrigger; 9. swing rotating shaft; 10. roller; 11. fixing hole; 12. folding positioning hole; 13. unfolding positioning hole; 14. lifting handle; 15. rod seat; 16. blocking plate; 17. shaft sleeve; DETAILED DESCRIPTION
[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0020] like Figure 1 and 2 As shown, the present embodiment discloses a concrete surface leveling device, including a drum 1, with a main support seat 2 and a secondary support seat 3 respectively provided at both ends of the drum 1, a rotatable drum shaft 4 is provided on the main support seat 2 and the secondary support seat 3, the inner end of the drum shaft 4 is detachably connected to the drum 1, a hydraulic motor 5 for driving the drum shaft 4 to rotate is provided on the main support seat 2, a main operating lever 6 is connected to the main support seat 2, and a secondary operating lever 7 is connected to the secondary support seat 3.
[0021] The outer sides of the main support seat 2 and the auxiliary support seat 3 are both provided with support legs 8, which are located behind the hydraulic motor 5. One end of the support leg 8 is provided with a swinging rotating shaft 9, which is rotatably connected to the main support seat 2 and the auxiliary support seat 3, and the other end of the support leg 8 is provided with a roller 10. A fixing hole 11 is provided on the support leg 8, and a folding positioning hole 12 and an unfolding positioning hole 13 are respectively provided on the outer side walls of the main support seat 2 and the auxiliary support seat 3 at equal distances with the swinging rotating shaft 9 as the center. The fixing hole 11 is respectively positioned and matched with the folding positioning hole 12 and the unfolding positioning hole 13 through a positioning pin.
[0022] like Figure 3 As shown, when the device is in the construction state, the support leg 8 is rotated clockwise until the fixing hole 11 is aligned with the folding positioning hole 12. After the positioning pin is inserted into the fixing hole 11 and the folding positioning hole 12, the support leg 8 can be folded and retracted. At this time, the hydraulic motor 5 drives the drum 1 to rotate to level the concrete surface layer.
[0023] like Figure 4 As shown, when the device is in a non-construction state, the leg 8 is rotated counterclockwise until the fixing hole 11 is aligned with the deployment positioning hole 13. After the positioning pin is inserted into the fixing hole 11 and the deployment positioning hole 13, the leg 8 can be deployed to an upright state, and the two rollers 10 are in contact with the ground. At this time, the worker can realize the short-distance transportation of the entire device by pulling the main operating lever 6 and the auxiliary operating lever 7.
[0024] In this embodiment, a lifting handle 14 is provided on the outer side wall of the main support seat 2 and the auxiliary support seat 3, and the lifting handle 14 is used to facilitate lifting one end of the device.
[0025] In this embodiment, a rod seat 15 is provided on the main support seat 2 and the auxiliary support seat 3, and the rod seat 15 is rotatably connected to the main operating rod 6 and the auxiliary operating rod 7 through a rotating pin; the rotation axis of the rod seat 15 and the main operating rod 6 and the auxiliary operating rod 7 is perpendicular to the axis of the drum 1.
[0026] In this embodiment, a reversing valve group is installed on the main operating rod 6, the reversing valve group 3 is connected to the hydraulic motor 5 through a hydraulic hose, and the hydraulic motor 5 is driven by a hydraulic drive pump station.
[0027] like Figure 5 As shown, in this embodiment, plugging plates 16 are welded in the inner holes at both ends of the drum 1, and shaft sleeves 17 are welded on the outer side of the plugging plates 16. Pin shaft holes are opened on the shaft sleeve 17 and the cylinder shaft 4. The shaft sleeve 17 is plug-fitted with the cylinder shaft 4 and fixed by positioning pins.
[0028] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A concrete surface leveling device, comprising a drum (1), wherein the two ends of the drum (1) are respectively provided with a main support seat (2) and a secondary support seat (3), wherein the main support seat (2) and the secondary support seat (3) are both provided with a rotatable cylinder shaft (4), wherein the inner end of the cylinder shaft (4) is detachably connected to the drum (1), wherein the main support seat (2) is provided with a hydraulic motor (5) for driving the cylinder shaft (4) to rotate, wherein the main support seat (2) is connected with a main operating lever (6), and the secondary support seat (3) is connected with a secondary operating lever (7), wherein: The outer sides of the main support seat (2) and the auxiliary support seat (3) are both provided with a support leg (8), one end of the support leg (8) is provided with a swinging rotation shaft (9), the swinging rotation shaft (9) is rotatably connected to the main support seat (2) and the auxiliary support seat (3), and the other end of the support leg (8) is provided with a roller (10); The supporting leg (8) is provided with a fixing hole (11), and the outer side walls of the main supporting seat (2) and the auxiliary supporting seat (3) are provided with folding positioning holes (12) and unfolding positioning holes (13) at equal distances with the swinging rotating shaft (9) as the center, and the fixing hole (11) is positioned and matched with the folding positioning hole (12) and the unfolding positioning hole (13) respectively through a positioning pin.
2. The concrete surface leveling device according to claim 1, characterized in that: The outer side walls of the main support seat (2) and the auxiliary support seat (3) are both provided with lifting handles (14).
3. The concrete surface leveling device according to claim 1, characterized in that: The main support seat (2) and the auxiliary support seat (3) are both provided with a rod seat (15), and the rod seat (15) is rotatably connected to the main operating rod (6) and the auxiliary operating rod (7) via a rotating pin; the rotation axis of the rod seat (15) and the main operating rod (6) and the auxiliary operating rod (7) is perpendicular to the axis of the drum (1).
4. The concrete surface leveling device according to claim 1, characterized in that: Blocking plates (16) are fixed in the inner holes at both ends of the roller (1), and shaft sleeves (17) are arranged on the outside of the blocking plates (16). The shaft sleeves (17) are plug-fitted to the cylinder shaft (4) and fixed by positioning pins.
5. The concrete surface leveling device according to claim 1, characterized in that: A reversing valve group is installed on the main operating rod (6).
