A device for ground improvement construction and a control system thereof

By using an automatic hook and control system for the lifting frame and multiple hammer core components, multiple hammer impact waves are achieved, solving the problem of low efficiency of existing dynamic compaction machines and improving the construction efficiency of foundation compaction.

CN120666723BActive Publication Date: 2025-11-07HENAN COMM INVESTMENT ZHENGPING EXPRESSWAY CO LTD +2
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Patent Information

Application Number
CN202511178253.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2025-11-07
Estimated Expiration
2045-08-22

AI Technical Summary

Technical Problem

Existing dynamic compaction machines can only achieve one impact per hammer drop, resulting in insufficient construction efficiency. How can multiple impact waves be achieved to reduce the number of compaction operations?

Method used

Design a foundation dynamic compaction construction device. Through a lifting frame, multiple hammer core components, first and second lifting mechanisms and control system, the device realizes automatic hooking and free fall hammering of multiple hammer core components. Combined with electromagnetic chuck and strong vibration sensor, the device controls the electromagnetic connection and power cut-off of the hammer core components to generate multiple shock waves.

Benefits of technology

It effectively reduces the number of times the foundation points need to be compacted, improves construction efficiency, and achieves efficient foundation compaction through multiple hammer waves.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a kind of for ground compaction pile construction device and control system thereof, belong to ground compaction pile construction device technical field, the compaction pile construction device includes lifting frame main body, and lifting frame main body front side middle part is vertically provided with lifting slide arm, and multiple hammer core assemblies are movably sleeved in the cavity middle part of lifting slide arm, first lifting mechanism and second lifting mechanism for vertically setting the first lifting mechanism and the second lifting mechanism for the automatic hooking of multiple hammer core assemblies on lifting slide arm left and right sides are vertically provided with for the automatic hooking of multiple hammer core assemblies on lifting slide arm, and the first lifting mechanism and the second lifting mechanism make multiple hammer core assemblies vertically rise in the cavity of lifting slide arm, and the compaction pile construction device is controlled by control system as master control, so that each time falling of multiple hammer core assemblies has multiple acting force compaction ground, to effectively reduce the compaction times of a ground point position, improve construction efficiency.
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Description

TECHNICAL FIELD

[0001] The application relates to a ground compaction construction device and a control system thereof. BACKGROUND

[0002] The strong ramming machine is a machine for compacting loose soil in construction engineering, and various types of strong ramming machines are used to compact loose soil by impacting the loose soil through a hammer column on a strong ramming seat.

[0003] The hammer column of the existing strong ramming machine can only achieve one impact after each upward lifting and free-fall compaction of the foundation, and the upward lifting of the hammer column needs to be performed for numerous times for the impact compaction of a foundation point, so that the efficiency is obviously insufficient, how to realize that each hammer column falling compaction of the foundation can drive multiple impact waves, and how to reduce the compaction times of the strong ramming machine to improve the construction efficiency are problems to be solved, and the application provides a ground compaction construction device and a control system thereof. SUMMARY

[0004] In view of the problems in the prior art, the application aims to provide a ground compaction construction device and a control system thereof to solve the existing problems.

[0005] In order to achieve the above-mentioned purpose, the application is realized by the following technical scheme: a ground compaction construction device, which comprises a mobile vehicle, and a compaction construction device is vertically arranged on the front side of the mobile vehicle, the compaction construction device comprises a lifting frame main body, a lifting slide arm is vertically arranged on the middle of the front side of the lifting frame main body, a plurality of hammer core assemblies are movably sleeved in the cavity of the lifting slide arm, the left and right sides of the plurality of hammer core assemblies extend through the left and right sides of the lifting slide arm, first lifting mechanisms and second lifting mechanisms are vertically arranged on one side of the left and right sides of the lifting slide arm, and are used for automatically hooking and lifting the plurality of hammer core assemblies to vertically lift the plurality of hammer core assemblies in the cavity of the lifting slide arm.

[0006] The plurality of hammer core assemblies comprise a hammer column group, a first hammer core piece and a second hammer core piece are movably sleeved in the cavity of the hammer column group from top to bottom, a steel wire rope is connected between the lower end of the first hammer core piece and the upper end of the second hammer core piece, an electromagnetic chuck group is arranged on the top surface in the cavity of the hammer column group and is used for magnetic connection after the first hammer core piece is lifted, and a strong vibration sensor is arranged on the right side of the electromagnetic chuck group.

[0007] The first lifting mechanism comprises a cylinder, and a pull telescopic assembly is arranged at the lower end of the cylinder, and a plurality of supporting slide rods are vertically sleeved on the pull telescopic assembly, a push seat for pushing the pull telescopic assembly after the pull telescopic assembly is lifted to make the pull telescopic assembly automatically disengage from the multiple hammer core assemblies is arranged on the outer side of the pull telescopic assembly, and the first lifting mechanism and the second lifting mechanism are the same in structure.

[0008] Further improvement is that the lifting slide arm comprises a slide arm body, a lifting slide channel for vertical lifting and sliding of the multiple hammer core assemblies is arranged in the middle of the top surface of the slide arm body, and two lifting openings are arranged on the left and right sides of the lifting slide channel.

[0009] Further improvement is that the hammer column group comprises a hammer column core, a top hammer seat and a hammer head are arranged on the top and bottom surfaces of the hammer column core, and the hammer column core is in the shape of a square column which is matched with the lifting slide channel.

[0010] A first lifting hammer groove is arranged in the middle of the top surface of the hammer column core, a second lifting hammer groove is arranged in the middle of the groove bottom of the first lifting hammer groove, and two second lifting openings which are in communication with the lifting openings are arranged on the left and right sides of the first lifting hammer groove.

[0011] A wire arranging through hole which is in communication with the first lifting hammer groove is arranged in the top hammer seat.

[0012] Further improvement is that the first hammer core part comprises a first hammer core body, a slide rod channel is arranged in the middle of the top surface of the first hammer core body, a spring slide rod and a pressure spring are sleeved on the slide rod channel, two handles for sequentially passing through the second lifting opening and the lifting opening are arranged on the left and right sides of the first hammer core body in the transverse direction, a first inclined section is arranged on the right side surface of the handle, and the first hammer core body is in the shape of a square column which is matched with the first lifting hammer groove.

[0013] Further improvement is that the second hammer core part comprises a second hammer core body, a steel wire lifting rope is connected to the top surface of the second hammer core body, and the other end of the steel wire lifting rope is connected to the bottom surface of the first hammer core body, and the second hammer core body is in the shape of a cylinder which is matched with the second lifting hammer groove.

[0014] When the first hammer core body is vertically lowered at the lower end in the first lifting hammer groove, and the second hammer core body is vertically lowered at the lower end in the second lifting hammer groove, the steel wire lifting rope is in a soft state.

[0015] Further improvement is that the electromagnetic chuck group comprises an electromagnetic disc base, an electromagnetic chuck body is arranged on the bottom surface of the electromagnetic disc base, and a spring compression cavity is arranged in the middle of the electromagnetic disc base, and a spring through hole which is in communication with the spring compression cavity is arranged in the middle of the electromagnetic chuck body.

[0016] Further improvement, the lifting telescopic assembly includes a lifting seat, and a plurality of support sliding rod through holes are vertically arranged on the four side edges of the top surface of the lifting seat, and a telescopic lifting rod sliding hole is vertically arranged on the middle of the left side surface of the lifting seat, a lifting rod and a return spring are movably arranged in the telescopic lifting rod sliding hole, a second inclined surface is arranged on the lower end of the right side surface of the lifting rod, and the second inclined surface is used for two inclined surface active resistance of the first inclined surface, and a pressing wheel is arranged on the upper end of the left side surface of the lifting rod.

[0017] Further improvement, the bottom surface of the resistance seat is provided with a pressing wheel walking slope for resistance when the pressing wheel vertically rises, so that the lifting rod is retracted in the opposite direction of the lifting handle.

[0018] Further improvement, the mobile vehicle, the lifting frame body, the strong vibration sensor and the electromagnetic chuck body are prior art, and the structure will not be described one by one.

[0019] In addition, the application also provides a control system for the foundation strong ramming construction device, the control system is electrically connected with the strong ramming construction device, and is fixed to the upper end of the lifting frame body, and the other end of the control system is electrically connected with an operation table for being fixed in the cab of the mobile vehicle.

[0020] Further improvement, the control system is a PLC controller, and the PLC controller is used for controlling the synchronous lifting of the oil cylinder of the first lifting mechanism and the second lifting mechanism, and can also control the vibration wave of the strong vibration sensor when the sensing hammer column group and the foundation collide, so that the PLC controller can timely cut off the power supply of the electromagnetic chuck body, the electromagnetic connection between the electromagnetic chuck body and the first hammer core part is separated, the first hammer core part and the second hammer core part are free falling to realize multiple impact on the hammer column group to generate multiple impact waves to compact the foundation again.

[0021] Further improvement, the PLC controller is prior art, and the structure will not be described one by one.

[0022] The beneficial effects of the application are:

[0023] The application provides a ground foundation strong compaction construction device and a control system thereof. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structural diagram of the ground foundation strong compaction construction device is provided.

[0025] Figure 2 An upper lifting effect diagram of the first lifting mechanism and the second lifting mechanism on the multiple hammer core assembly is provided.

[0026] Figure 3 A structural diagram of the lifting slide arm is provided.

[0027] Figure 4 A structural diagram of the multiple hammer core assembly is provided.

[0028] Figure 5 A structural diagram of the hammer column core is provided.

[0029] Figure 6 A structural diagram of the first hammer core and the second hammer core is provided.

[0030] Figure 7 A structural diagram of the electromagnetic chuck set is provided.

[0031] Figure 8 A structural diagram of the first lifting mechanism is provided.

[0032] Figure 9 A structural diagram of the lifting and pulling telescopic assembly and the resisting seat is provided.

[0033] Figure 10The top view of the lifting slide arm and the hammer column core set of the application. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, purposes and effects of the application easy to understand, the application is further described below in combination with specific embodiments.

[0035] Please refer to Figures 1-10 The application provides a device for ground compaction construction and a control system thereof. The device comprises a moving vehicle 1, a compaction construction device 2 vertically arranged on the front side of the moving vehicle 1, a lifting frame main body 3, a lifting slide arm 4 vertically arranged on the front side of the lifting frame main body 3, a plurality of hammer core assemblies 5 movably sleeved in the cavity of the lifting slide arm 4, a first lifting mechanism 6 and a second lifting mechanism 7 vertically arranged on the left and right sides of the lifting slide arm 4 for automatically hooking and lifting the plurality of hammer core assemblies 5, and making the plurality of hammer core assemblies 5 vertically rise in the cavity of the lifting slide arm 4. The plurality of hammer core assemblies 5 comprise a hammer column group 51, a first hammer core 52 and a second hammer core 53 movably sleeved in the cavity of the hammer column group 51 from top to bottom, a steel wire rope connected between the lower end of the first hammer core 52 and the upper end of the second hammer core 53, an electromagnetic chuck group 54 arranged on the top surface of the cavity of the hammer column group 51 for magnetic connection when the first hammer core 52 rises, a strong vibration sensor 55 arranged on the right side of the electromagnetic chuck group 54, an oil cylinder 61 of the first lifting mechanism 6, a pulling telescopic assembly 62 arranged on the lower end of the oil cylinder 61, a plurality of supporting slide rods 63 vertically sleeved on the pulling telescopic assembly 62, a push seat 64 vertically arranged on the outer side of the pulling telescopic assembly 62 for rolling and pushing the pulling telescopic assembly 62 at an angle when the pulling telescopic assembly 62 rises, and making the pulling telescopic assembly 62 and the plurality of hammer core assemblies 5 automatically hook and separate, and the second lifting mechanism 7 having the same structure as the first lifting mechanism 6.

[0036] The lifting slide arm 4 comprises a slide arm body 41, and a lifting slide 42 vertically arranged on the top surface of the slide arm body 41 for vertical lifting and sliding of the plurality of hammer core assemblies 5. Two lifting openings 43 are arranged on the left and right sides of the lifting slide 42.

[0037] The hammer column group 51 comprises a hammer column core 511, and a top hammer seat 512 and a hammer head 513 are arranged on the top and bottom surfaces of the hammer column core 511. The hammer column core 511 is in a square column shape matched with the lifting slide 42. A first lifting hammer groove 5111 is formed in the middle of the top surface of the hammer column core 511. A second lifting hammer groove 5112 is formed in the middle of the groove bottom of the first lifting hammer groove 5111. Two second lifting openings 5113 corresponding to the lifting opening 43 are formed on the left and right sides of the first lifting hammer groove 5111. A wire through hole 5121 is formed in the top hammer seat 512 and is communicated with the first lifting hammer groove 5111.

[0038] The first hammer core member 52 comprises a first hammer core body 521. A slide rod channel 522 is formed in the middle of the top surface of the first hammer core body 521. A spring slide rod 523 and a pressure spring 524 are sleeved on the slide rod channel 522. Two handles 525 are transversely arranged on the left and right sides of the first hammer core body 521 and are used for sequentially passing through the second lifting opening 5113 and the lifting opening 43. A first inclined section 526 is formed on the right side surface of the handle 525. The first hammer core body 521 is in a square column shape matched with the first lifting hammer groove 5111.

[0039] The second hammer core member 53 comprises a second hammer core body 531. A steel wire lifting rope 532 is connected to the top surface of the second hammer core body 531. The other end of the steel wire lifting rope 532 is connected to the bottom surface of the first hammer core body 521. The second hammer core body 531 is in a cylindrical shape matched with the second lifting hammer groove 5112. When the first hammer core body 521 is lowered to the lower end of the first lifting hammer groove 5111 and the second hammer core body 531 is lowered to the lower end of the second lifting hammer groove 5112, the steel wire lifting rope 532 is in a soft state.

[0040] The electromagnetic chuck group 54 comprises an electromagnetic disc base 541. An electromagnetic chuck body 542 is arranged on the bottom surface of the electromagnetic disc base 541. A spring compression cavity 543 is formed in the middle of the electromagnetic disc base 541. A spring through hole 544 is formed in the middle of the electromagnetic chuck body 542 and is communicated with the spring compression cavity 543.

[0041] The lifting and pulling telescopic assembly 62 comprises a lifting and pulling seat 621. A plurality of support slide rod through holes 622 are vertically formed in the four edge sides of the top surface of the lifting and pulling seat 621. A telescopic lifting rod sliding hole 623 is formed in the middle of the left side surface of the lifting and pulling seat 621. A lifting rod 624 and a return spring 625 are movably sleeved in the telescopic lifting rod sliding hole 623. A second inclined section 626 is formed on the right side surface of the lower end of the lifting rod 624 and is used for two inclined surface active abutting of the first inclined section 526. An abutting wheel 627 is arranged on the left side upper end of the lifting rod 624.

[0042] The bottom surface of the pushing seat 64 is provided with a pushing wheel walking slope 641 for pushing when the pushing wheel 627 vertically rises.

[0043] The control system 8 is electrically connected with the dynamic compaction construction device 2 and is fixed to the upper end of the lifting frame main body 3, and the other end of the control system 8 is electrically connected with an operation table fixed in the cab of the mobile vehicle 1.

[0044] Working principle:

[0045] During the dynamic compaction of the foundation, the dynamic compaction construction device 2 is moved to the construction point by the mobile vehicle 1, and the lifting frame main body 3 is used for height adjustment when the ground is rammed, so that the hammer head 513 can always be in contact with the ground. When in use, the control system 8 is the overall control, the oil cylinder 61 on the first lifting mechanism 6 and the second lifting mechanism 7 are lowered synchronously to drive the pull telescopic assembly 62 to vertically descend, under the action of the reset spring 625, the two inclined sections of the second inclined section 626 and the first inclined section 526 are pushed, the automatic hooking of the lifting rod 624 and the lifting handle 525 is realized, then when the oil cylinder 61 is synchronously raised, the control system 8 controls the electromagnetic chuck body 542 to be electrified, when the two pull telescopic assemblies 62 vertically rise, the first hammer core 52 and the second hammer core 53 are first lifted, when the first hammer core 52 rises, the compression spring 524 is compressed, and after the top surface of the first hammer core 52 rises to the position of the electromagnetic chuck body 542 and establishes electromagnetic connection, the continuous rising of the two pull telescopic assemblies 62 is linked to the vertical rising of the hammer column group 51 in the lifting slide 42, so as to realize the multi-link lifting operation of the first hammer core 52, the second hammer core 53 and the hammer column group 51 in the lifting slide arm 4 by the first lifting mechanism 6 and the second lifting mechanism 7 on the multiple hammer core assembly 5. Figure 2 .

[0046] When the lifting telescopic assembly 62 is vertically lifted to the pushing seat 64, the pressing wheel 627 slides outward on the pressing wheel walking slope surface 641, so that the lifting rod 624 is retracted in the opposite direction of the handle 525, the hooking of the lifting rod 624 and the handle 525 is released, the hammer column group 51 is free falling in the lifting slide 42 to hammer the foundation, which is the first hammering, and when the hammer column group 51 hammers the foundation, the strong vibration sensor 55 synchronously senses the strong vibration generated by the hammer column group 51, and transmits a signal to the control system 8, and the control system 8 issues an instruction to the electromagnetic chuck body 542 to be de-energized, because the steel wire lifting rope 532 is in an initial soft state, the bottom surface of the second hammer core 53 will first impact the bottom of the second lifting hammer groove 5112 to provide the first impact wave to the hammer column group 51 to realize the second hammering of the hammer column group 51, and the first hammer core 52 is free falling at the same time, and under the action of the release of the pressure spring 524, the first hammer core 52 accelerates downward, so that the bottom surface of the first hammer core 52 impacts the bottom of the first lifting hammer groove 5111 to provide the second impact wave to the hammer column group 51 to realize the third hammering of the hammer column group 51, so that each time the multiple hammer core assembly 5 falls, it can directly impact the foundation and conduct the multiple impact waves to cooperate.

[0047] The basic principles and main features of the present application and the advantages of the present application are shown and described above, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0048] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A device for ground dynamic consolidation construction, the structure of which comprises a mobile vehicle, and a dynamic consolidation construction device is vertically arranged on the front side of the mobile vehicle, characterized in that: The strong ramming construction device comprises a lifting frame body, a lifting slide arm is vertically arranged in the middle of the front side of the lifting frame body, a plurality of hammer core assemblies are movably sleeved in the middle of the cavity of the lifting slide arm, the left and right sides of the plurality of hammer core assemblies extend through the left and right sides of the lifting slide arm, and first lifting mechanisms and second lifting mechanisms are vertically arranged on the left and right sides of the lifting slide arm and used for automatically hooking and lifting the plurality of hammer core assemblies to vertically lift the plurality of hammer core assemblies in the cavity of the lifting slide arm; The plurality of hammer core assemblies comprise a hammer column group, a first hammer core piece and a second hammer core piece are movably sleeved in the cavity of the hammer column group from top to bottom, a steel wire rope is connected between the lower end of the first hammer core piece and the upper end of the second hammer core piece, an electromagnetic chuck group is arranged on the top surface in the cavity of the hammer column group and used for magnetic connection after the first hammer core piece is lifted, and a strong vibration sensor is arranged on the right side of the electromagnetic chuck group. The first lifting mechanism comprises an oil cylinder, a pull-out telescopic assembly is arranged at the lower end of the oil cylinder, a plurality of supporting slide rods are vertically sleeved on the pull-out telescopic assembly, a pushing seat is vertically arranged on the outer side of the pull-out telescopic assembly and used for rolling and pushing the pull-out telescopic assembly at an inclined surface after the pull-out telescopic assembly is lifted to automatically hook and separate the pull-out telescopic assembly and the plurality of hammer core assemblies, and the first lifting mechanism and the second lifting mechanism are the same in structure.

2. The device for ground dynamic consolidation according to claim 1, characterized in that: The lifting slide arm comprises a slide arm body, a lifting slide channel is through-set in the middle of the top surface of the slide arm body and used for vertical lifting and sliding of the plurality of hammer core assemblies, and two lifting openings are arranged on the left and right sides of the lifting slide channel.

3. The device for ground dynamic consolidation according to claim 2, characterized in that: The hammer column group comprises a hammer column core, a hammer head and a hammer seat are arranged on the top and bottom surfaces of the hammer column core, and the hammer column core is in a square column shape matched with the lifting slide channel. A first lifting hammer groove is arranged in the middle of the top surface of the hammer column core, a second lifting hammer groove is arranged in the middle of the groove bottom of the first lifting hammer groove, and two second lifting openings corresponding to the lifting openings are arranged on the left and right sides of the first lifting hammer groove. A wire arranging through hole is through-set in the hammer head and connected with the first lifting hammer groove.

4. The device for ground dynamic consolidation according to claim 3, characterized in that: The first hammer core piece comprises a first hammer core body, a slide rod channel is arranged in the middle of the top surface of the first hammer core body, a spring slide rod and a pressure spring are sleeved on the slide rod channel, two handles are transversely arranged on the left and right sides of the first hammer core body and used for sequentially passing through the second lifting opening and the lifting opening, a first inclined section is arranged on the right side of the handle, and the first hammer core body is in a square column shape matched with the first lifting hammer groove.

5. The apparatus for ground improvement by dynamic compaction according to claim 4, wherein: The second hammer core piece comprises a second hammer core body, a steel wire lifting rope is connected to the top surface of the second hammer core body, and the other end of the steel wire lifting rope is connected to the bottom surface of the first hammer core body. When the first hammer core body is vertically lowered in the lower end of the first lifting hammer groove and the second hammer core body is vertically lowered in the lower end of the second lifting hammer groove, the steel wire lifting rope is in a soft state.

6. The apparatus for ground improvement by dynamic compaction according to claim 5, wherein: The electromagnetic chuck group comprises an electromagnetic disc base, an electromagnetic chuck body is arranged on the bottom surface of the electromagnetic disc base, a spring compression cavity is through-set in the middle of the electromagnetic disc base, and a spring through hole is through-set in the middle of the electromagnetic chuck body and connected with the spring compression cavity.

7. The apparatus for ground improvement by dynamic compaction according to claim 6, wherein: The lifting telescopic assembly comprises a lifting seat, a plurality of supporting slide rod through holes are vertically and penetratingly arranged on the four side edges of the top surface of the lifting seat, a telescopic lifting rod slide hole is penetratingly arranged on the middle part of the left side surface of the lifting seat, a lifting rod and a return spring are movably sleeved in the telescopic lifting rod slide hole, a second inclined section is arranged on the lower end of the right side surface of the lifting rod and is in contact with the two inclined surfaces of the first inclined section, and a pressing wheel is arranged on the upper end of the left side surface of the lifting rod.

8. The apparatus for ground improvement by dynamic compaction according to claim 7, wherein: A pressing wheel walking slope is arranged on the bottom surface of the pressing seat and is used for pressing the lifting rod to retract in the opposite direction of the lifting handle after the pressing wheel vertically rises.

9. A control system for a foundation dynamic compaction construction device, characterized in that: The control system is used for controlling the foundation dynamic compaction construction device in claim 8, is electrically connected with the dynamic compaction construction device, is fixed on the upper end of the lifting frame main body, and the other end of the control system is electrically connected with an operation table used for being fixed in the cab of the mobile vehicle.

Citation Information

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