CN103866753A - Compaction hammer and dynamic compaction machine with compaction hammer - Google Patents
Compaction hammer and dynamic compaction machine with compaction hammer Download PDFInfo
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- CN103866753A CN103866753A CN201410072542.XA CN201410072542A CN103866753A CN 103866753 A CN103866753 A CN 103866753A CN 201410072542 A CN201410072542 A CN 201410072542A CN 103866753 A CN103866753 A CN 103866753A
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Abstract
The invention provides a compaction hammer and a dynamic compaction machine with the compaction hammer. The compaction hammer comprises a hammer body, wherein an annular device is fixedly or movably arranged on the hammer body and comprises a vertical plate structure, and the bottom surface of the annular device is lower than the bottom surface of the hammer body at least at the compaction landing moment. During the compaction land falling, the bottom of the annular device can be enabled to touch the ground before the bottom of the hammer body, the airwave or shock wave ejection by the annular device can be severed, so the ground debris sputtering can be effectively prevented, and the safety is improved. In addition, the compaction hammer and the dynamic compaction machine also have the advantages that the structure is simple, the manufacturing is easy, the compaction quality is reliable, the noise is low, and the like.
Description
Technical field
The present invention relates generally to strong tamping technology field, specifically, relates to a kind of hammer ram, and is provided with the dynamic compaction machinery of this hammer ram.
Background technology
In construction work, often need to use dynamic compaction machinery to tamp ground.First dynamic compaction machinery mentions eminence by heavy hammer ram, then make hammer ram freely fall, thereby can give ground with strong impact force and vibration, destroy the soil body and also it is carried out to compacting, can improve ground intensity, reduce compressibilty, improve its opposing thixotropy ability, Compaction variables etc.
Hammer ram is the workpiece of dynamic compaction machinery, and the weight of hammer ram and drop determine the rammer energy rank of dynamic compaction machinery.For the dynamic compaction machinery of prior art, hammer ram generally has 8～40t, and the heaviest 200t that reaches falls apart from generally having 8～25m, reaches as high as 40m, therefore in the time that hammer ram falls, can form powerful shock wave and heavily stressed to ground.
Prior art is used the hammer ram shown in Fig. 1 conventionally, and it is become sealing cylindrical cavity by steel plate weld all around fills up pig or concrete to increase the total quality of hammer ram in cylindrical cavity.In the time that hammer ram lands, local air can, by brute force compression, then sharply produce blast or shock wave after diffusion, and this high speed that minces that can cause ground is splashed, thereby easily brings potential safety hazard, damages to ground staff.And when some local airs group breaks, decibel is very high, can cause more serious pollution from environmental noise to construction area periphery.
Application number is that 201220256859.5 Chinese patent discloses a kind of circular arc bottom strong rammer hammer, its form of structure as shown in Figure 2, the hammer body adopting is hollow hammer, its bottom surface is arc surface, on bottom surface, have multiple circumferentially equally distributed large steam vents and the multiple interval small de-air hole between large steam vent, in the cavity of hammer body, built concrete.Large small de-air hole and circular arc bottom on hammer body have coordinated scavenging action, can reduce the potential safety hazard that the slungshot that causes because of blast brings.
But prove through actual tests, the hammer ram of this structure only can not effectively reduce by circular-arc bottom face is set the potential safety hazard that hammer ram falls to causing, cannot eliminate the danger of mincing and splashing away and hurt sb.'s feelings.In addition,, owing to thering is circular-arc bottom face, there is the irregular defect in ground of compacting, the compacting poor quality of ground.
Therefore, how, in guaranteeing compacting quality, eliminating and reduce blast producing, avoid mincing splashing and hurt sb.'s feelings, improve working security, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of hammer ram for dynamic compaction machinery, can avoid in strong rammer operation process that prior art falls at hammer ram blast or shock wave is large, poor stability, the irregular defect in compacting ground or at least one of them.
The present invention, for the hammer ram of dynamic compaction machinery, comprises hammer body, the fixed or movable ring device that is provided with also on described hammer body, described ring device comprises riser structure, at least described in ramming while landing the bottom surface of ring device lower than the bottom surface of described hammer body.
Further, described ring device is fixed on described hammer body, and described ring device is that the bottom surface of described hammer body is incorporated in the middle of described ring device along the structure of the lateral downward-extension of described hammer body.
Further, described ring device is fixed on described hammer body, and described ring device is the structure that protrudes from hammer body bottom surface, and the area that sectional area is partly less than described hammer body bottom surface is enclosed in described ring device outside.
Further, described ring device is the protective cover that covers at described hammer body periphery, and described protective cover is fixed or movable to be arranged on described hammer body.
Further; described protective cover can be arranged on described hammer body up or down; described protective cover comprises top cover and side plate; on described top cover, be provided with perforate; on described hammer body, be provided with the guide peg of above-below direction; described guide peg is arranged in described perforate, when suspension status described in the soffit of top cover fit in the upper surface of described hammer body.
Further, described hammer ram also comprises gusset, and the bottom surface of described hammer body is fixed on a limit of described gusset, and the side of described ring device is fixed on another limit of described gusset.
Further, described hammer ram is also provided with air vent, and described air vent runs through described hammer body from bottom to up.
Further, described hammer body is cylindrical structural, and the cross section of described ring device is cirque structure.
Further, described hammer body has cavity structure, is filled with the medium for increasing weight in cavity structure, and the top of described hammer body is fixed with the ear seat for connecting lifting rope.
Another aspect of the present invention, also provides a kind of dynamic compaction machinery, comprises the lifting rope for promoting, and described lifting rope is connected with the hammer ram of aforementioned any one for dynamic compaction machinery.
The present invention is for the hammer ram of dynamic compaction machinery, except hammer body, also comprise ring device, this ring device can fixed or movablely be arranged on hammer body, at least ramming the bottom surface of this ring device while landing lower than the bottom surface of hammer body, thereby can guarantee that the bottom of ring device is prior to the bottom ground connection of hammer body.This ring device can cut off blast or shock wave sprays to level ground, thereby effectively preventing that ground from mincing to splash hurts sb.'s feelings, and has improved the safety of strong rammer operation.
The present invention is in the time ramming, the ring device contacting with ground at first, because the area of ring device bottom surface is little, and between ground substantially for line contacts, thereby the relative direct ground connection in hammer body bottom surface of prior art, while landing, discharge the sound that gas produces much smaller; In addition,, for adopting the technical scheme of protective cover, when hammer ram lands, protected cover surrounds, thereby has certain noise elimination effect, has alleviated the pollution from environmental noise to construction area periphery.
In further technical scheme, the present invention can guarantee that the bottom of hammer ram is plane structure, and for the circular-arc bottom face of existing structure, its simple in structure being easy to is manufactured on the one hand, also can guarantee to tamp on the other hand reliable in quality.Generally speaking, the invention provides preferably hammer ram structure of a kind of structure, both can be applied to disconnecting type dynamic compaction machinery, also can be applicable to non-disconnecting type dynamic compaction machinery.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of hammer ram in prior art;
Fig. 2 is the structural representation of another kind of hammer ram in prior art;
Fig. 3 is the structural representation of the hammer ram of first embodiment of the invention;
Fig. 4 a is the front view of hammer ram embodiment illustrated in fig. 3;
Fig. 4 b is the left view of hammer ram embodiment illustrated in fig. 3;
Fig. 4 c is the top view of hammer ram embodiment illustrated in fig. 3;
Fig. 5 is the structural representation of the hammer ram of second embodiment of the invention;
Fig. 6 is the structural representation of the hammer ram of third embodiment of the invention;
Fig. 7 a is the front view of hammer ram embodiment illustrated in fig. 6;
Fig. 7 b is the left view of hammer ram embodiment illustrated in fig. 6;
Fig. 7 c is the top view of hammer ram embodiment illustrated in fig. 6.
Description of reference numerals:
Ring device-2, hammer body-1
Gusset-4, guide peg-3
Ear seat-6, air vent-5
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.
In the present invention, in the situation that not doing contrary explanation, indication orientation all for hammer ram uses state, its one end that connects lifting rope be " on ", one end of kiss the earth is D score.
Shown in Fig. 3, be the structural representation of the hammer ram of first embodiment of the invention, its front view, left view and top view can be respectively with reference to figure 4a, Fig. 4 b and Fig. 4 c.The hammer ram of this first embodiment, comprises hammer body 1, and is fixedly installed ring device 2 on hammer body 1, and this ring device 2 comprises riser structure, and the bottom surface of ring device 2 is lower than the bottom surface of hammer body 1.
Between ring device 2 and hammer body 1, can adopt welding or the mode such as integrally formed to fix, the present invention is not limited to this.Hammer body 1 can have solid construction, and preferably hammer body 1 has cavity structure, can be formed by steel plate weld all around, and can in cavity structure, be filled with the medium for increasing weight, and this medium can be as pig or concrete etc.The outline of hammer body 1 can have multiple spatial form, as multiedge cylinder etc., preferably hammer body 1 forms cylindrical, and can there is the bottom of plane structure, for the circular-arc bottom face of prior art shown in Fig. 2, its simple in structure being easy to is manufactured on the one hand, also can guarantee to tamp on the other hand reliable in quality.
Should be clear, for the ease of the handling of lifting rope, on hammer body 1, can form multiple for connecting the linkage of lifting rope, in the structure shown in Fig. 4 a and Fig. 4 b, this linkage is ear seat 6, this ear seat 6 can be welded in the top of hammer body 1, and can on ear seat 6, offer connecting hole, for penetrating of lifting rope or suspension hook.
More specifically, in Fig. 3, aforementioned ring device 2 is the structure along the lateral downward-extension of hammer body 1, and the bottom surface of hammer body 1 is incorporated in the middle of ring device 2.Because the bottom surface of this ring device 2 is lower than the bottom surface of hammer body 1, thereby ramming the moment of landing, can guarantee that the bottom of ring device 2 is prior to the bottom ground connection of hammer body 1, because this ring device 2 can cut off blast or shock wave sprays to level ground, thereby can effectively prevent that ground from mincing to splash hurts sb.'s feelings, improve the safety of strong rammer operation.
In addition, because ring device 2 is riser structure, the area of its bottom surface is little, and basic for line contacts between ground, thereby the direct ground connection in hammer body bottom surface of relative prior art, discharges the sound that gas produces much smaller while landing, has reduced noise pollution.
Further, ramming in the course of work, ring device 2 constantly contacts with ground, and bears larger pressure, along with the increase of access times, may cause distortion or wearing and tearing.For avoiding this outstanding ring device 2 destroyed too early, improve application life, preferably hammer ram is also provided with the gusset 4 shown in Fig. 3, and the bottom surface of hammer body 1 is fixed on a limit of this gusset 4, and the side of ring device 2 is fixed on another limit of gusset 4.Preferably the quantity of this gusset 4 is multiple, is uniformly distributed in the circumferential of ring device 2.This gusset 4 can be triangle or other possibility structure.
In the time that hammer ram falls, can produce powerful impact force to ground, thereby cause local air because being formed air cushion by powerful compression, the problem that local air may produce again vacuum inhales hammer, can not discharge in time as air under pressure, may cause hammer ram spring crooked.Air under pressure can spread to the soil body, also can be by the interstitial diffusion between hammer ram and ground.Preferably be provided with the air vent 5 shown in Fig. 3, this air vent 5 runs through hammer body 1 from bottom to up.
This air vent 5 can be cylindrical hole, and two ends lay respectively at upper surface and the soffit of hammer body 1.It also can be positioned at hammer body 1 side in one end, or adopts the hole of other shape.The quantity of air vent 5 is preferably multiple, is uniformly distributed on hammer body 1.In addition, as a kind of embodiment, also can be at the lateral opening hole of ring device 2.On the basis of aforementioned techniques scheme, can make hammer ram steadily fall, guarantee compacting effect.
It shown in Fig. 5, is the structural representation of the hammer ram of second embodiment of the invention.Identical with aforementioned the first embodiment, the hammer ram of this second embodiment also comprises hammer body 1, and is fixedly installed ring device 2 on hammer body 1, and this ring device 2 comprises riser structure, and the bottom surface of ring device 2 is lower than the bottom surface of hammer body 1.
As shown in Figure 5, preferably the cross section of ring device 2 is cirque structure, and hammer body 1 has cavity structure, and in cavity structure, is filled with the medium for increasing weight.Preferably hammer body 1 forms cylindrically in addition, and has the bottom of plane structure.And, be also welded with the ear seat 6 for connecting lifting rope on hammer body 1 top.
Different from aforementioned the first embodiment, the ring device 2 of the second embodiment is for protruding from the structure of hammer body 1 bottom surface, and the area that sectional area is partly less than hammer body 1 bottom surface is enclosed in ring device 2 outsides.All include the part bottom surface of hammer body 1 in the inner side of ring device 2 and outside.
For this second embodiment, similarly, land moment ramming, can guarantee the first ground connection in bottom of ring device 2, thereby cut off blast or shock wave sprays, prevent from mincing splashing and hurt sb.'s feelings, improve safety.In addition, due to basic for line contacts between ring device 2 and ground, while landing, discharge the sound that gas produces less, reduced noise pollution.
More specifically, for avoiding this outstanding ring device 2 destroyed too early, preferably hammer ram is also provided with the gusset 4 shown in Fig. 5, the bottom surface of hammer body 1 is fixed on a limit of this gusset 4, the side (can be inner side or the outside of ring device 2, also can arrange in inner side and outside simultaneously) of ring device 2 is fixed on another limit of gusset 4.In addition, for diffusion air under pressure, be also provided with the air vent 5 shown in Fig. 5, this air vent 5 runs through hammer body 1 from bottom to up.
Shown in Fig. 6, be the structural representation of the hammer ram of third embodiment of the invention, its front view, left view and top view can be respectively with reference to figure 7a, Fig. 7 b and Fig. 7 c.The hammer ram of the 3rd embodiment, comprises hammer body 1, and is movably set with ring device 2 on hammer body 1, and this ring device 2 comprises riser structure, and at least ramming the bottom surface of ring device 2 while landing lower than the bottom surface of hammer body 1.
Different with the second embodiment from aforementioned the first embodiment, the ring device 2 of the 3rd embodiment is for covering at the protective cover of hammer body 1 periphery, and protective cover is movably set on hammer body 1.This protective cover can be movably set on hammer body 1 in many ways, as adopted the mode of automatic control that it is stretched out on hammer body 1.Also should be clear, this protective cover also can be fixedly installed on hammer body 1, guarantees the bottom surface of its bottom surface lower than hammer body 1, can realize technique effect of the present invention.
In the structure shown in Fig. 6; protective cover can be arranged on hammer body 1 up or down; protective cover comprises top cover and side plate; on top cover, be provided with perforate; on hammer body 1, be provided with the guide peg 3 of above-below direction; guide peg 3 is arranged in perforate, and when suspension status, the soffit of top cover fits in the upper surface of hammer body 1.The head of this guide peg 3 can have step surface, for the movement upwards of limiting protecting cover.The quantity of guide peg 3 can be 1, is preferably 2～4.
Similarly, the preferred ring device 2 i.e. cross section of this protective cover is cirque structure, and hammer body 1 has cavity structure, and in cavity structure, is filled with the medium for increasing weight.Preferably hammer body 1 forms cylindrically in addition, and has the bottom of plane structure.
And, also can be welded with on hammer body 1 top the ear seat 6 for connecting lifting rope, now on top cover, be also provided with the hole of passing for ear seat 6.
In addition, be diffusion air under pressure, hammer ram is also provided with the air vent 5 shown in Fig. 6, and this air vent 5 runs through hammer body 1 from bottom to up.
For the 3rd embodiment, similarly land moment and can guarantee the first ground connection in bottom of ring device 2 ramming, thereby cut off blast or shock wave sprays, prevent from mincing splashing and hurt sb.'s feelings, improve safety.In addition; due to basic for line contact between ring device 2 and ground, while landing, discharge the sound that gas produces less, the while is protected cover encirclement while landing due to hammer ram; thereby there is certain noise elimination effect, further alleviate the pollution from environmental noise to construction area periphery.
Except the hammer ram of previous embodiment, the present invention also provides a kind of dynamic compaction machinery that is provided with previous embodiment hammer ram, and this dynamic compaction machinery comprises lifting rope, and this lifting rope is connected with hammer ram.Other structure of this dynamic compaction machinery can, with reference to existing and improved technology, not repeat them here herein.
Should be clear, the hammer ram of previous embodiment of the present invention both can be applied to disconnecting type dynamic compaction machinery, also can be applicable to non-disconnecting type dynamic compaction machinery.For disconnecting type dynamic compaction machinery, when strong rammer operation, remove being connected of lifting rope and hammer ram; And for non-disconnecting type dynamic compaction machinery, in the course of work, lifting rope maintains the connection with hammer ram all the time.
In sum, the hammer ram of previous embodiment of the present invention and there is its dynamic compaction machinery, except hammer body 1, also comprise ring device 2, this ring device 2 can fixed or movablely be arranged on hammer body 1, at least ramming the bottom surface of ring device 2 while landing lower than the bottom surface of described hammer body 1.
This ring device 2 can cut off blast or shock wave and spray, thereby having prevented that ground from mincing splashes, and has improved safety; In addition, between this ring device 2 and ground, contact area is little, and the generation sound that lands is little, has alleviated pollution from environmental noise; And, previous embodiment simple in structure, be easy to manufacture, can guarantee to tamp reliable in quality, be preferably hammer ram structure of a kind of structure.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the hammer ram for dynamic compaction machinery, comprise hammer body (1), it is characterized in that, the upper also fixed or movable ring device (2) that is provided with of described hammer body (1), described ring device (2) comprises riser structure, at least described in ramming while landing the bottom surface of ring device (2) lower than the bottom surface of described hammer body (1).
2. according to claim 1 for the hammer ram of dynamic compaction machinery, it is characterized in that, described ring device (2) is fixed on described hammer body (1), described ring device (2) is the structure along the lateral downward-extension of described hammer body (1), and the bottom surface of described hammer body (1) is incorporated in the middle of described ring device (2).
3. according to claim 1 for the hammer ram of dynamic compaction machinery, it is characterized in that, described ring device (2) is fixed on described hammer body (1), described ring device (2) is for protruding from the structure of hammer body (1) bottom surface, and the area that sectional area is partly less than described hammer body (1) bottom surface is enclosed in described ring device (2) outside.
4. according to claim 1 for the hammer ram of dynamic compaction machinery, it is characterized in that, described ring device (2) is for covering at the peripheral protective cover of described hammer body (1), and described protective cover is fixed or movable to be arranged on described hammer body (1).
5. according to claim 4 for the hammer ram of dynamic compaction machinery; it is characterized in that; described protective cover can be arranged on described hammer body (1) up or down; described protective cover comprises top cover and side plate; on described top cover, be provided with perforate; the guide peg (3) that is provided with above-below direction on described hammer body (1), described guide peg (3) is arranged in described perforate, when suspension status described in the soffit of top cover fit in the upper surface of described hammer body (1).
6. according to the hammer ram for dynamic compaction machinery described in claim 1-3 any one, it is characterized in that, also comprise gusset (4), the bottom surface of described hammer body (1) is fixed on a limit of described gusset (4), and the side of described ring device (2) is fixed on another limit of described gusset (4).
7. according to the hammer ram for dynamic compaction machinery described in claim 1-5 any one, it is characterized in that, be also provided with air vent (5), described air vent (5) runs through described hammer body (1) from bottom to up.
8. according to the hammer ram for dynamic compaction machinery described in claim 1-5 any one, it is characterized in that, described hammer body (1) is cylindrical structural, and the cross section of described ring device (2) is cirque structure.
9. according to the hammer ram for dynamic compaction machinery described in claim 1-5 any one, it is characterized in that, described hammer body (1) has cavity structure, is filled with the medium for increasing weight in cavity structure, and the top of described hammer body (1) is fixed with the ear seat (6) for connecting lifting rope.
10. a dynamic compaction machinery, comprises the lifting rope for promoting, and it is characterized in that, described lifting rope is connected with the hammer ram for dynamic compaction machinery described in claim 1-9 any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072542.XA CN103866753B (en) | 2014-02-28 | 2014-02-28 | A kind of hammer ram and there is its dynamic compaction machinery |
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|---|---|---|---|
| CN201410072542.XA CN103866753B (en) | 2014-02-28 | 2014-02-28 | A kind of hammer ram and there is its dynamic compaction machinery |
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| CN103866753A true CN103866753A (en) | 2014-06-18 |
| CN103866753B CN103866753B (en) | 2016-06-22 |
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Cited By (8)
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| CN108824413A (en) * | 2018-07-25 | 2018-11-16 | 余文冰 | A kind of adjustable consolidation device |
| CN109487778A (en) * | 2018-09-10 | 2019-03-19 | 齐鲁交通发展集团有限公司 | A kind of hammer ram and method |
| CN110374082A (en) * | 2019-06-03 | 2019-10-25 | 陕西理工大学 | A kind of consolidation device and application method of the civil engineering with dust reduction capability |
| CN111119267A (en) * | 2019-12-30 | 2020-05-08 | 湖南省第五工程有限公司 | Rammer head for improving shallow foundation pore-forming and compacting qualification rate and using method thereof |
| CN112095383A (en) * | 2020-09-30 | 2020-12-18 | 张会彬 | Roadbed tamping device |
| CN112502128A (en) * | 2020-12-30 | 2021-03-16 | 梁会鑫 | Rammer capable of automatically dredging air vent |
| CN112854179A (en) * | 2020-12-31 | 2021-05-28 | 安徽东冶地质勘查技术有限公司 | Construction method of highway soft foundation |
| CN114351678A (en) * | 2022-01-13 | 2022-04-15 | 湖北中南岩土工程有限公司 | Self-drainage dynamic compaction treatment method and self-drainage dynamic compaction equipment for wet soft soil foundation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108824413A (en) * | 2018-07-25 | 2018-11-16 | 余文冰 | A kind of adjustable consolidation device |
| CN109487778A (en) * | 2018-09-10 | 2019-03-19 | 齐鲁交通发展集团有限公司 | A kind of hammer ram and method |
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| CN110374082A (en) * | 2019-06-03 | 2019-10-25 | 陕西理工大学 | A kind of consolidation device and application method of the civil engineering with dust reduction capability |
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| CN112095383A (en) * | 2020-09-30 | 2020-12-18 | 张会彬 | Roadbed tamping device |
| CN112095383B (en) * | 2020-09-30 | 2023-10-31 | 广东建工德晟工程有限公司 | Roadbed tamping device |
| CN112502128A (en) * | 2020-12-30 | 2021-03-16 | 梁会鑫 | Rammer capable of automatically dredging air vent |
| CN112854179A (en) * | 2020-12-31 | 2021-05-28 | 安徽东冶地质勘查技术有限公司 | Construction method of highway soft foundation |
| CN114351678A (en) * | 2022-01-13 | 2022-04-15 | 湖北中南岩土工程有限公司 | Self-drainage dynamic compaction treatment method and self-drainage dynamic compaction equipment for wet soft soil foundation |
| CN114351678B (en) * | 2022-01-13 | 2022-11-11 | 湖北中南岩土工程有限公司 | Self-drainage dynamic compaction treatment method and self-drainage dynamic compaction equipment for wet soft soil foundation |
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| CN103866753B (en) | 2016-06-22 |
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