Earth rammer for road surface tamping
The design of the double-ended threaded sleeve and screw rod solves the problem of inconvenient replacement of the soil compaction plate of the existing road compactor, and realizes quick disassembly and stable installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-04-10
AI Technical Summary
The replacement of the compaction plate of the existing road compactor is inconvenient, requiring complete disassembly or removal of multiple bolts, which makes the disassembly process inconvenient.
The design employs a double-ended threaded sleeve and screw, allowing for quick assembly and disassembly of the rammed earth slab by rotating the double-ended threaded sleeve. Combined with a guide structure and elastic connectors, it reduces torsional impact.
It improves the efficiency of replacing rammed earth slabs, ensures installation stability, and simplifies the disassembly process.
Smart Images

Figure CN224106236U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of road construction, in particular to a rammer for road surface compaction. BACKGROUND
[0002] The road surface compactor is a special mechanical equipment for compacting road surfaces or other soil foundations. It is usually used in road construction, repair and maintenance engineering to improve the compactness and stability of the road. The road surface compactor is suitable for various types of soil and road surfaces, including asphalt pavement, cement pavement, gravel pavement, etc. It can be used for compaction of newly built roads, road surface repair, roadbed reinforcement and other engineering. The road surface compactor plays an important role in the field of road construction and maintenance. It can effectively improve the service life and safety of the road, and improve the driving comfort.
[0003] In the prior art, most of the compactors used for road surface compaction are fixedly connected with the driving device for driving the up-and-down movement of the compaction plate in order to pursue the stability of the compactor during the working process. When the compaction plate is damaged during work, the compaction plate needs to be replaced, otherwise the quality of road surface compaction will be affected. However, when disassembling the compaction plate, it is usually necessary to disassemble the whole or a plurality of bolt groups, which is inconvenient.
[0004] Therefore, it is necessary for the inventor to design a new road surface compactor to overcome the above problems. SUMMARY
[0005] The main purpose of the present application is to provide a road surface compactor to solve the problem of inconvenient disassembly and replacement of the compaction plate in the related art.
[0006] In order to achieve the above purpose, the application provides a road surface compactor, which comprises a mounting table, a driving assembly fixedly arranged on the mounting table, an output end of the driving assembly fixedly connected with a mounting seat, the driving assembly used for driving the mounting seat to move linearly reciprocatingly, and a compaction plate fixedly connected with the bottom of the mounting seat; a plurality of double-headed threaded sleeves are rotatably arranged on the mounting seat, both ends of each double-headed threaded sleeve are threadedly connected with a screw rod, each screw rod is threadedly connected with the mounting seat, and each screw rod is connected with the compaction plate in a matched mode.
[0007] Optionally, two mounting grooves are symmetrically and fixedly arranged on both sides of the bottom of the mounting seat, a protrusion matched with the two mounting grooves is fixedly arranged on the top of the compaction plate, and a plug hole matched with the screw rod is arranged on the protrusion.
[0008] Optionally, a groove is formed in the top of the mounting base, and the double-end threaded sleeve is rotatably arranged in the groove; a through hole is formed between the groove and the mounting groove, and the screw rod is threadedly connected with the through hole.
[0009] Optionally, a guide structure is further fixedly arranged between the mounting base and the mounting table.
[0010] Optionally, the guide structure comprises two guide rods and an elastic connecting piece, one end of the guide rod is fixedly connected with the mounting base, the other end of the guide rod is slidably inserted into the mounting table, and the elastic connecting piece is fixedly arranged between the mounting table and the mounting base.
[0011] Optionally, the elastic connecting piece is a spring, and the spring is sleeved outside the guide rod.
[0012] Optionally, connecting plates are fixedly arranged at two ends of the mounting base, and the guide rods are fixedly connected with the connecting plates.
[0013] Optionally, an electrical box is further fixedly arranged on the mounting table, and a driving wheel assembly is fixedly arranged at the bottom of the mounting table, and the electrical box is electrically connected with the driving wheel assembly.
[0014] Optionally, the driving assembly is a pneumatic cylinder.
[0015] Compared with the prior art, the road surface ramming utility rammer has the beneficial effects that:
[0016] By arranging the double-end threaded sleeve and the two screw rods, the two screw rods are inserted into the insertion holes on the ramming plate, when the ramming plate is replaced, only the double-end threaded sleeve needs to be rotated to realize the dismounting and mounting work, the installation stability is ensured, and the efficiency of replacing the ramming plate is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] The drawings constituting a part of this application are used to provide further understanding of this application, so that other features, objects and advantages of this application become more apparent.
[0018] Figure 1 is the overall structural view of the utility model;
[0019] Figure 2 is the bottom structure view of the mounting table of the utility model;
[0020] Figure 3 is the top structure view of the mounting base of the utility model;
[0021] Figure 4 is the Figure 3Structure enlarged view at middle A;
[0022] Figure 5 is the bottom structure diagram of the mounting seat of the utility model;
[0023] Figure 6 is the ramming board structure diagram of the utility model.
[0024] 1, mounting table; 2, ramming board; 3, double-end threaded sleeve; 4, screw rod; 5, mounting groove; 6, protruding block; 7, jack; 8, recess; 9, through hole; 10, guide rod; 11, spring; 12, connecting plate; 13, electrical box; 14, driving wheel assembly; 15, air cylinder; 16, mounting seat. DETAILED DESCRIPTION
[0025] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.
[0026] It should be noted that the terms "first", "second" and the like in the specification of the present application and the above-described drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0027] In the present application, the terms "up", "down", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0028] And, the above-mentioned partial terms can be used to represent other meanings in addition to the orientation or positional relationship, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in this application can be understood according to the specific circumstances.
[0029] In addition, the meaning of the term "a plurality of" should be two and more than two.
[0030] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0031] As Figures 1 to 6 shown, a road ramming tamping machine, comprising a mounting table 1, a driving assembly is fixedly arranged on the mounting table 1, an output end of the driving assembly is fixedly connected with a mounting seat 16, the driving assembly is used to drive the mounting seat 16 to move linearly reciprocatingly, a tamping plate 2 is fixedly connected with the bottom of the mounting seat 16; a plurality of double-headed threaded sleeves 3 are rotatably arranged on the mounting seat 16, both ends of the double-headed threaded sleeve 3 are threadedly connected with a screw rod 4, each screw rod 4 is threadedly connected with the mounting seat 16, and each screw rod 4 is connected with the tamping plate 2 in a matched mode. Two mounting grooves 5 are symmetrically and fixedly arranged at the bottom of the mounting seat 16, a protruding block 6 that is matched with the two mounting grooves 5 is fixedly arranged at the top of the tamping plate 2, and a plug hole 7 that is matched with the screw rod 4 is arranged in the protruding block 6. A recess 8 is arranged at the top of the mounting seat 16, and the double-headed threaded sleeve 3 is rotatably arranged in the recess 8; a through hole 9 is arranged between the recess 8 and the mounting groove 5, and the screw rod 4 is threadedly connected with the through hole 9.
[0032] Specifically, in use, the driving assembly is used to drive the mounting seat 16 and the tamping plate 2 to move reciprocatingly to realize tamping action, when the tamping plate 2 needs to be replaced, the double-headed threaded sleeve 3 is rotated, the screw rods 4 at both ends are retracted into the double-headed threaded sleeve 3, the screw rods 4 are extracted from the plug hole 7 in the protruding block 6, and then the protruding block 6 can be separated from the mounting groove 5. After the new tamping plate 2 is replaced, the double-headed threaded sleeve 3 is reversely rotated, the screw rods 4 are extended from the double-headed threaded sleeve 3 and inserted into the plug hole 7, re-clamping is realized, and the function of replacing the new tamping plate 2 is realized. It should be noted that the double-headed threaded sleeve 3 here can only rotate and cannot slide, and the specific rotating structure is not described here. In this embodiment, the double-headed threaded sleeve 3 and the two screw rods 4 are matched to insert the two screw rods 4 into the plug hole 7 in the tamping plate 2, when replacing, only the double-headed threaded sleeve 3 needs to be rotated to realize the disassembly and assembly work, which greatly improves the efficiency of replacing the tamping plate 2 while ensuring the stability of the installation.
[0033] The installation base 1 and the mounting seat 16 are further fixedly provided with a guide structure. The guide structure comprises two guide rods 10 and an elastic connecting piece. One end of the guide rod 10 is fixedly connected with the mounting seat 16, and the other end of the guide rod 10 is slidably inserted with the installation base 1. The elastic connecting piece is fixedly arranged between the installation base 1 and the mounting seat 16. The elastic connecting piece is a spring 11, which is sleeved on the outer side of the guide rod 10. Specifically, only the output end of the driving assembly is connected with the mounting seat 16, which may cause damage of the connecting part of the mounting seat 16 due to torsion during continuous ramming. Therefore, the guide rod 10 and the installation base 1 are inserted and circumferentially limited to reduce the torsional impact of the ground on the connecting part of the mounting seat 16 and the driving assembly during ramming.
[0034] Both ends of the mounting seat 16 are fixedly provided with a connecting plate 12, and the guide rod 10 is fixedly connected with the connecting plate 12. Specifically, the guide rod 10 has good torsion resistance, and is not suitable to be too close to the output end of the driving assembly. Therefore, the connecting plate 12 is arranged at the edge of the mounting seat 16 for mounting the guide rod 10.
[0035] The installation base 1 is further fixedly provided with an electrical box 13, and the bottom of the installation base 1 is fixedly provided with a driving wheel assembly 14. The electrical box 13 is electrically connected with the driving wheel assembly 14. Specifically, the movement of the driving wheel assembly 14 can be controlled by the electrical box 13 to drive the forward movement of the entire rammer.
[0036] The driving assembly is a pneumatic cylinder 15. Specifically, in addition to the pneumatic cylinder 15, other driving members capable of reciprocating driving can also be used.
[0037] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A road compactor with a tamper, characterized by: Including installation platform (1), fixedly provided with drive assembly on the installation platform (1), the output end of the drive assembly is fixedly connected with mounting seat (16), the drive assembly is used for driving the linear reciprocating motion of the mounting seat (16), the bottom of the mounting seat (16) is fixedly connected with rammer plate (2); A plurality of double-headed threaded sleeves (3) are rotatably arranged on the mounting seat (16), both ends of the double-headed threaded sleeve (3) are threadedly connected with a screw rod (4), each screw rod (4) is threadedly connected with the mounting seat (16), and each screw rod (4) is connected with the rammer plate (2) in cooperation.
2. A soil compactor for road compaction as claimed in claim 1 wherein: Two installation grooves (5) are symmetrically and fixedly arranged on the bottom of the mounting seat (16), the top of the rammer plate (2) is fixedly provided with a protrusion (6) matched with the two installation grooves (5), and the protrusion (6) is provided with a plug hole (7) matched with the screw rod (4).
3. A soil compactor for road compaction as claimed in claim 2 wherein: The top of the mounting seat (16) is provided with a recess (8), and the double-headed threaded sleeve (3) is rotatably arranged in the recess (8); A through hole (9) is arranged between the recess (8) and the installation groove (5), and the screw rod (4) is threadedly connected with the through hole (9).
4. A soil compactor for road compaction as claimed in claim 1, wherein: The installation platform (1) and the mounting seat (16) are further fixedly provided with a guide structure.
5. A soil compactor for road compaction as claimed in claim 4 wherein: The guide structure comprises two guide rods (10) and elastic connecting pieces, one end of the guide rod (10) is fixedly connected with the mounting seat (16), the other end of the guide rod (10) is slidably inserted with the installation platform (1), and the elastic connecting piece is fixedly arranged between the installation platform (1) and the mounting seat (16).
6. A soil compactor for road compaction as claimed in claim 5 wherein: The elastic connecting piece is a spring (11), and the spring (11) is arranged on the outer side of the guide rod (10).
7. A soil compactor for road compaction as claimed in claim 5 wherein: Both ends of the mounting seat (16) are fixedly provided with a connecting plate (12), and the guide rod (10) is fixedly connected with the connecting plate (12).
8. A soil compactor for road compaction as claimed in claim 1, wherein: The installation platform (1) is further fixedly provided with an electrical box (13), and the bottom of the installation platform (1) is fixedly provided with a driving wheel assembly (14), and the electrical box (13) is electrically connected with the driving wheel assembly (14).
9. A soil compactor for road compaction as claimed in claim 1, wherein: The drive assembly is a pneumatic cylinder (15).