Hammer head structure of hydraulic rammer compactor

By using the compaction of the square base plate structure and precise hydraulic control of the hydraulic compactor, the problem of missed compaction in complex terrain has been solved, achieving uniform compaction and efficient construction, and improving foundation stability and construction efficiency.

CN223805515UActive Publication Date: 2026-01-16HENAN HIGHWAY ENG GROUP
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Patent Information

Application Number
CN202520114443.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-16
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The compaction plate of existing hydraulic compactors is difficult to fit tightly into complex terrain, resulting in missed compaction, which affects the compaction quality and foundation stability. In particular, it is difficult to achieve uniform compaction under uneven soil or special geological conditions.

Method used

It adopts a rammed square base plate structure, combined with a support mechanism and a ramming mechanism, and achieves precise control and uniform ramming through hydraulic control of high-speed cylinders, accumulators and valve groups.

Benefits of technology

It improves the compaction degree of complex terrain, reduces missed compaction and repeated compaction, ensures compaction quality, reduces rework and costs, and enhances foundation stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of road construction, and discloses a hammerhead structure of a hydraulic rammer compactor, which comprises a supporting mechanism and a tamping mechanism, the tamping mechanism is arranged in the supporting mechanism, the supporting mechanism comprises a tamping machine body, a mounting frame is fixedly mounted at the top of the tamping machine body, and the tamping machine body is fixedly mounted on the mounting frame. A machine body connecting frame is fixedly mounted on the outer wall of the left side of the tamping machine body, a tamping base is fixedly mounted at the bottom of the tamping machine body, a square plate tamper is arranged at the bottom of the tamping base, the tamping mechanism comprises a fixing block fixedly mounted at the top of the inner wall of the mounting frame, and a high-speed oil cylinder is fixedly mounted at the bottom of the fixing block; an energy accumulator is fixedly installed on the inner wall of the right side of the installation frame, and a valve set is arranged on the top of the outer wall of the left side of the tamping machine body. The hammer head structure of the hydraulic rammer compactor can be better attached to the edge of a platform back, the compaction degree of backfilling of the platform back is improved, the problems of ramming missing and repeated ramming are reduced, and the hammer head structure is convenient for a user to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to road construction technical field, concretely is a kind of hammer head structure of hydraulic rammer. BACKGROUND

[0002] High-speed hydraulic rammer is a kind of efficient, accurate ramming equipment, it utilizes hydraulic system to drive rammer to be lifted to a certain height after quick, and free falling, impact compaction is carried out to ground or soil, can greatly shorten the time of ramming operation, to improve construction efficiency, speed up engineering progress, has wide application in the field such as building engineering, road construction, bridge construction.

[0003] The ramming plate at the bottom of the hydraulic rammer on the market is mostly ramming round bottom plate, in actual road construction, it is difficult to closely fit complex terrain such as platform back edge, roadbed corner, etc., leading to the phenomenon of easy leakage ramming in these areas, affecting overall compaction quality, increasing rework frequency and cost, and when dealing with uneven soil or special geological conditions, it is difficult to achieve overall uniform compaction effect, easy to cause local compaction degree insufficient or excessive compaction, affecting the stability and durability of foundation, so a hammer head structure of hydraulic rammer is proposed to solve the above problems. SUMMARY

[0004] In view of the deficiencies of prior art, the utility model provides a hammer head structure of hydraulic rammer, has the advantages of reducing leakage ramming, solves the problem that the ramming plate at the bottom of the hydraulic rammer on the market is mostly ramming round bottom plate, in actual road construction, it is difficult to closely fit complex terrain such as platform back edge, roadbed corner, etc., leading to the phenomenon of easy leakage ramming in these areas, affecting overall compaction quality, increasing rework frequency and cost, and when dealing with uneven soil or special geological conditions, it is difficult to achieve overall uniform compaction effect, easy to cause local compaction degree insufficient or excessive compaction, affecting the stability and durability of foundation.

[0005] To achieve the above purpose of reducing leakage ramming, the utility model provides the following technical scheme:

[0006] A hammer head structure of hydraulic rammer, comprising support mechanism and ramming mechanism, the ramming mechanism is arranged inside support mechanism;

[0007] The support mechanism comprises rammer body, the rammer body top is fixedly installed with mounting frame, the rammer body left side outer wall is fixedly installed with body connecting frame, the rammer body bottom is fixedly installed with ramming base, and the ramming base bottom is provided with square flat plate rammer;

[0008] The tamping mechanism comprises a fixed block fixedly installed on the top of the inner wall of a mounting frame, a high-speed oil cylinder fixedly installed on the bottom of the fixed block, an energy accumulator fixedly installed on the right inner wall of the mounting frame, and a valve group arranged on the top of the left outer wall of the tamping body.

[0009] As a preferred technical scheme of the utility model, one pair of symmetrical fixed heads are fixedly installed on the outer wall of the end of the body connecting frame away from the tamping body, and the fixed heads are all arranged from the mounting holes.

[0010] As a preferred technical scheme of the utility model, an installation head is clamped in the middle of the inside of the tamping base, a force pad is arranged on the top of the middle of the installation head, and the square flat rammer is fixedly installed on the bottom of the installation head.

[0011] As a preferred technical scheme of the utility model, a fixed nut is threadedly connected between the tamping base and the tamping body, and a hammer body is fixedly installed on the bottom of the high-speed oil cylinder.

[0012] As a preferred technical scheme of the utility model, fixed plates are fixedly installed on the front and rear ends of the top of the left outer wall of the tamping body, the valve group is arranged between the two fixed plates, and fixed pins are inserted between the fixed plates and the valve group.

[0013] As a preferred technical scheme of the utility model, connecting heads are arranged on the top of the valve group, the right outer wall of the fixed block, the bottom of the energy accumulator and the top of the high-speed oil cylinder, hydraulic pipes are connected between the top connecting head and the left side connecting head on the valve group, the top of the high-speed oil cylinder and the bottom of the energy accumulator, and the connecting head on the right outer wall of the fixed block and the right side connecting head of the top of the high-speed oil cylinder.

[0014] Compared with the prior art, the utility model provides a hammer head structure of a hydraulic tamping machine, which has the following beneficial effects:

[0015] The hammer head structure of the hydraulic tamping machine can make the tamping square bottom plate on the bottom of most high-speed hydraulic tamping machines on the market more fit the edge of the back of the platform, improve the compaction degree of the back of the platform, reduce the problems of missed tamping and repeated tamping, ensure the compaction quality and improve the compaction speed, reduce the number of rework, save the cost, and reduce the missed tamping surface and the dust on the site. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a schematic view of the high-speed oil cylinder in the utility model;

[0018] Figure 3 It is a schematic view of the tamping base in the utility model;

[0019] Figure 4 It is the top schematic view of the square flat rammer in the utility model.

[0020] In the figure: 1, rammer body; 2, mounting frame; 3, body connecting frame; 4, ramming base; 5, square flat rammer; 6, fixed block; 7, high-speed oil cylinder; 8, accumulator; 9, valve group; 10, fixed head; 11, mounting head; 12, force pad; 13, fixed plate; 14, connecting head; 15, hydraulic pipe; 16, hammer body. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] In the description of the utility model, it is understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-4 A hammer head structure of a hydraulic ramming machine, comprising a supporting mechanism and a ramming mechanism, the ramming mechanism is arranged in the supporting mechanism.

[0025] In the embodiment, the supporting mechanism comprises a ramming machine body 1, the mounting frame 2 is fixedly installed on the top of the ramming machine body 1, the body connecting frame 3 is fixedly installed on the left outer wall of the ramming machine body 1, the ramming base 4 is fixedly installed on the bottom of the ramming machine body 1, and the square flat rammer 5 is arranged on the bottom of the ramming base 4.

[0026] It should be noted that the ramming machine body 1 is the main frame of the whole ramming mechanism, bearing the weight of all working parts and providing a stable support platform. The installation frame 2 is used to install and fix key components such as high-speed oil cylinder 7 and accumulator 8, ensuring their stable operation. The machine body connecting frame 3 connects the ramming machine body 1 with external equipment (such as cranes or loaders), achieving quick and safe connection through fixing heads 10 and mounting holes.

[0027] In this embodiment, the ramming mechanism includes a fixed block 6 fixedly installed on the top inner wall of the installation frame 2. The high-speed oil cylinder 7 is fixedly installed at the bottom of the fixed block 6. The accumulator 8 is fixedly installed on the right inner wall of the installation frame 2. The valve group 9 is arranged on the top left outer wall of the ramming machine body 1.

[0028] It should be noted that the fixed block 6 is used to fix the high-speed oil cylinder 7, ensuring the stability of the cylinder during operation. The high-speed oil cylinder 7 serves as the power source, pushing the hammer body 16 for ramming work through rapid extension and contraction. Its high-speed performance significantly improves the ramming efficiency. The valve group 9 is the control center of the hydraulic system. By adjusting the valve group 9 through the accumulator 8, the flow direction and pressure of the hydraulic oil can be controlled, thereby achieving precise control of the ramming mechanism.

[0029] In this embodiment, a pair of symmetrical fixing heads 10 are fixedly installed on the outer wall of the end of the machine body connecting frame 3 away from the ramming machine body 1. The fixing heads 10 all start from the mounting holes.

[0030] It should be noted that the fixing head 10 is used to connect with external equipment, and its symmetrical design ensures the stability and safety of the connection.

[0031] In this embodiment, the installation head 11 is clamped in the middle of the inside of the ramming base 4. The force pad 12 is arranged in the middle of the top of the installation head 11. The square flat ram 5 is fixedly installed at the bottom of the installation head 11.

[0032] It should be noted that the installation head 11 is used to fix the square flat ram 5. Through the buffering action of the force pad 12, the impact and wear of the square flat ram 5 during ramming are reduced. The force pad 12 plays a role in buffering and dispersing impact force, improving the service life of the square flat ram 5 and the installation head 11.

[0033] In this embodiment, the ramming base 4 is threadedly connected with the ramming machine body 1 through a fixed nut. The hammer body 16 is fixedly installed at the bottom of the high-speed oil cylinder 7. The fixed plates 13 are fixedly installed at the front and rear ends of the top left outer wall of the ramming machine body 1. The valve group 9 is arranged between the two fixed plates 13. The fixed bolts are inserted between the fixed plates 13 and the valve group 9.

[0034] It should be noted that the fixed plate 13 is used to fix the valve group 9, which is tightly connected with the valve group 9 through the fixed bolt, ensuring the stability of the valve group 9 during operation.

[0035] In the embodiment, the top of the valve group 9 is provided with a connecting head 14 on the left side outer wall, the right side outer wall of the fixing block 6, the bottom of the accumulator 8 and the top of the high-speed oil cylinder 7, and hydraulic pipes 15 are connected between the top connecting head 14 on the valve group 9 and the left side top of the high-speed oil cylinder 7 and the bottom connecting head of the accumulator 8, and the connecting head 14 on the right side outer wall of the fixing block 6 is also connected with the right side top connecting head of the high-speed oil cylinder 7 through the hydraulic pipe 15.

[0036] It should be noted that the connection and control of the hydraulic system are realized through the connecting heads 14 at different positions, the hydraulic pipes 15 connect the hydraulic pipelines between the components for transmitting the hydraulic oil, and the accurate control of the ramming mechanism is realized by accurately controlling the flow direction and pressure of the hydraulic oil.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hammer head structure of a hydraulic rammer, comprising a supporting mechanism and a ramming mechanism, the ramming mechanism being arranged inside the supporting mechanism; characterized in that The supporting mechanism comprises a rammer body (1), a mounting frame (2) is fixedly installed on the top of the rammer body (1), a body connecting frame (3) is fixedly installed on the left outer wall of the rammer body (1), a ramming base (4) is fixedly installed on the bottom of the rammer body (1), and a square flat ram (5) is arranged on the bottom of the ramming base (4); The ramming mechanism comprises a fixed block (6) fixedly installed on the top of the inner wall of the mounting frame (2), a high-speed oil cylinder (7) is fixedly installed on the bottom of the fixed block (6), an accumulator (8) is fixedly installed on the right inner wall of the mounting frame (2), and a valve group (9) is arranged on the top of the left outer wall of the rammer body (1).

2. The ram head structure of a hydraulic ramming machine according to claim 1, characterized in that: A pair of symmetrical fixed heads (10) are fixedly installed on the outer wall of the end of the body connecting frame (3) away from the rammer body (1), and each fixed head (10) starts from a mounting hole.

3. The ram head structure of a hydraulic ramming machine according to claim 1, characterized in that: An installation head (11) is clamped in the middle of the inside of the ramming base (4), a force pad (12) is arranged on the top of the installation head (11), and the square flat ram (5) is fixedly installed on the bottom of the installation head (11).

4. The ram head structure of a hydraulic ramming machine according to claim 1, characterized in that: A fixed nut is threadedly connected between the ramming base (4) and the rammer body (1), and a hammer body (16) is fixedly installed on the bottom of the high-speed oil cylinder (7).

5. The ram head structure of a hydraulic ramming machine according to claim 1, characterized in that: Fixed plates (13) are fixedly installed on the top of the left outer wall of the rammer body (1) at the front and rear ends, the valve group (9) is arranged between the two fixed plates (13), and fixed pins are inserted between the fixed plates (13) and the valve group (9).

6. The ram head structure of a hydraulic ramming machine according to claim 1, characterized in that: Connection heads (14) are arranged on the top, the left outer wall of the valve group (9), the right outer wall of the fixed block (6), the bottom of the accumulator (8), and the top of the high-speed oil cylinder (7) at the left and right ends, hydraulic pipes (15) are connected between the top and left connection heads (14) on the valve group (9) and the left top of the high-speed oil cylinder (7) and the bottom connection head of the accumulator (8), and the connection heads (14) on the right outer wall of the fixed block (6) are also connected with the right top connection head of the high-speed oil cylinder (7) by the hydraulic pipes (15).