CN105064318A - Dynamic compactor and combined top arm support structure thereof - Google Patents
Dynamic compactor and combined top arm support structure thereof Download PDFInfo
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- CN105064318A CN105064318A CN201510470082.0A CN201510470082A CN105064318A CN 105064318 A CN105064318 A CN 105064318A CN 201510470082 A CN201510470082 A CN 201510470082A CN 105064318 A CN105064318 A CN 105064318A
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- arm
- dynamic compaction
- compaction machinery
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Abstract
The invention discloses a dynamic compactor and a combined top arm support structure thereof and belongs to the field of dynamic compactors. The combined top arm support structure comprises a top arm section, wherein a forward-extended arm head device is arranged at the upper part of the top arm section and integrated with the top arm section; a fixed pulley set used for lifting a rammer is arranged at the front end of the forward-extended am head device; and a guiding pulley used for guiding the rammer is arranged at the rear end of the forward-extended arm head device. Besides the combined top arm support structure, the invention also provides a dynamic compactor which comprises a trolley body, a bottom arm section of which the bottom is connected with the trolley body, a plurality of intermediate arm sections and a top arm support structure connected with the uppermost intermediate arm section, and the top arm support structure is the combined top arm support structure. The advantages of balanced stress, high safety factor and production efficiency and reasonable structural design are achieved.
Description
Technical field
The present invention relates to dynamic compaction machinery technical field.
Background technology
Along with the development of science and technology, various engineering machinery, as dynamic compaction machinery, has been widely used in economic construction at present.Dynamic compaction machinery is the plant equipment for compacting foundation operation in engineering construction, after it mainly utilizes the jib head of boom device hammer ram to be brought up to certain altitude release, utilize the powerful impact force that hammer ram free-falling produces, reach raising foundation strength, reduce ground compressibilty, improve the object of shock resistance and elimination ground settlement by soaking, its boom device structure mainly comprises base arm joint, multiple insert jib section and top arm joint, the turntable of base arm joint lower end and dynamic compaction machinery is hinged, multiple insert jib section is arranged in a linear successively, and it is fixed by bearing pin each other, the two ends of multiple insert jib section are fixed by pinned connection respectively at base arm joint and top arm joint, the center line of base arm joint, the center line of top arm joint and the center line of all insert jib sections are on the same line.Usually arm head is provided with in top arm joint upside, but arm head is generally fixed by bearing pin (bolt), in actual lifting process, jib discontinuity equalization, arm-head device is subject to larger power, often occurs to cause arm head and top arm to save because bearing pin loosens and departs from, cause carrying out work, safe thing occurs even to cause that arm head drops etc., causes very large potential safety hazard to construction.
Moreover, common dynamic compaction machinery structure can make the hammer ram on the downside of arm head and overall jib close together in the horizontal direction, can not be fully used in space below boom device, hammer ram and boom device easily move interference, and the hoisting depth of hammer ram can obviously decline, and reduces effective working depth of hammer ram, the operating efficiency of corresponding dynamic compaction machinery can reduce greatly, and easily generation hammer ram and boom device collide, and cause security incident, thus affect operating efficiency.
Therefore, how researching and developing a kind of stress equalization, safety factor is high, production efficiency is high, the dynamic compaction machinery of reasonable in design and combined type top jib structure thereof, is the technical problem that those skilled in the art need solution badly.
Summary of the invention
The technical problem to be solved in the present invention, be to provide a kind of dynamic compaction machinery and combined type top jib structure thereof, its stress equalization, safety factor are high, improve the application life of arm head, improve production efficiency, when maximum lifting height is identical, reduce jib entire length, reduce overall mass, improve safety factor and operation quality, reasonable in design.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of dynamic compaction machinery combined type top jib structure, comprise top arms joint, the top of described top arms joint is provided with the extension type arm-head device saving with top arms and be integrated, the front end of described extension type arm-head device is provided with the fixed pulley group for promoting hammer ram, and rear end is provided with the leading block for playing the guiding role to hammer ram.
As preferably, described extension type arm-head device comprises the sickle riser of two parallel placements, the vertical handle of a knife plate of described sickle riser saves axis direction along top arms, and be welded on the symmetrical front-back of top arms joint, the horizontal edge of a knife plate of described sickle riser stretches out top arms joint outside to hammer ram direction, be fixed with many and strengthen gusset between the sickle riser of described front and back two.
As preferably, the bottom of the horizontal edge of a knife plate of described sickle riser is also provided with otic placode, and described otic placode is provided with the installing hole of door frame, for installing door frame.
As preferably, described top arms joint comprises four and becomes centrums to arrange main vertical rod, by some reinforcement link of boards between described adjacent two main vertical rods.
As preferably, described fixed pulley group comprises 2-6 the pulley be fixed on by central axis I on extension type arm-head device.
As preferably, described leading block is fixed on the rear end of extension type arm-head device by guiding trestle.
As preferably, the rear end of described extension type arm-head device is provided with the installing hole for hinged take-up device, and described take-up device comprises multistage stay cord hinged successively, and the hinged luffing assembly pulley of stay cord end is connected with car body.
A kind of dynamic compaction machinery, comprises car body, bottom arm that bottom is connected with dynamic compaction machinery car body saves, multiple insert jib section and the top arm shelf structure that is connected with the insert jib section of topmost, and described top arm shelf structure is the combined type top jib structure described in above-mentioned any one.
As preferably, between described insert jib section and car body, be also provided with the sway bar all hinged with the two.
As preferably, described base arm joint is also provided with angle display.
The beneficial effect adopting technique scheme to produce is: top arms joint and arm-head device are designed to the structure of one by the present invention, make in hoisting process, the power that arm-head device is subject to passes to top arms joint uniformly, then going down is to insert jib section and bottom arm joint, make dynamic compaction machinery overall stressed more balanced, improve the safety factor of work, add the application life of arm-head device; Moreover, adopt extension type arm-head device, thus the distance increased between hammer ram and jib, expand hammer ram working space in the horizontal direction, avoid the movement interference between hammer ram and jib, add operational security, and the hoisting depth of hammer ram can be increased for the hammer ram promoting same diameter, or when maximum lifting height is identical, reduce jib entire length, reduce overall mass, improve safety factor, contribute to the transaction capabilities giving full play to hammer ram, improve the operating efficiency of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of combined type top jib structure provided by the present invention;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the structural representation of the sickle riser in Fig. 1;
Fig. 4 is the E direction view of Fig. 1;
Fig. 5 is the B direction view of Fig. 1;
Fig. 6 is the H direction view of Fig. 2;
Fig. 7 is the structural representation of a kind of embodiment of dynamic compaction machinery provided by the present invention;
Each figure number name is called: 1-car body; 2-base arm saves; 3-insert jib section; 4-top arm saves; 5-extension type arm-head device; 5-1-sickle riser; 5-1-1-vertical handle of a knife plate; 5-1-2-horizontal edge of a knife plate; 5-2-fixed pulley group; 5-2-1-pulley; 5-3-central axis I; 5-4-leading block; 5-5-guiding trestle; 5-6-central axis II; 5-7-reinforcement gusset; 5-8-support door frame; 5-9-otic placode; 5-10-installing hole; 6-take-up device; 7-sway bar; 8-luffing assembly pulley; 9-steel wire; 10-hammer ram; 11-suspension hook; 12-boom hoist cable; 13-angle display.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
As shown in Figure 1, Figure 2 and Figure 7, dynamic compaction machinery combined type top jib structure of the present invention comprises top arms joint 4, the top of described top arms joint 4 is provided with saves the 4 extension type arm-head devices 5 be integrated with top arms, the front end of described extension type arm-head device 5 is provided with the fixed pulley group 5-2 for promoting hammer ram 10, and rear end is provided with the leading block 5-4 for playing the guiding role to hammer ram 10.
The beneficial effect of said structure is adopted to be: compared in prior art, pinned connection is passed through between top arms joint and arm-head device, and arm-head device is generally positioned at the top ends of top arms joint, this structure on the one hand, connects firm not, through long lifting operation, bearing pin is easy to loosen, and causes arm-head device to come off from top arms joint, causes and cannot carry out normal lifting operation, even causing security incident, there is very large potential safety hazard in this structure; On the other hand, in hoisting process, arm-head device bears very large pulling force, by the top that arm-head device saves as top arms, and be unfavorable for that arm-head device is by pulling force going down, makes the discontinuity equalization of whole device, be easy to unstability occurs, affect normally carrying out of lifting work.Therefore, top arms joint and arm-head device are designed to the structure of integral type by the present invention, avoid the unreliable and potential safety hazard brought of pinned connection, make to connect more reliable, the safety raising of hoisting process; And above-mentioned integral structure is conducive to arm-head device passes to top arms joint by downward for the pulling force be subject to equilibrium, and then continue evenly to transmit downwards, make stressed more balanced, enhance the job stability of package unit.
Moreover, adopt extension type arm-head device, thus the distance increased between hammer ram and jib, expand hammer ram working space in the horizontal direction, avoid the movement interference between hammer ram and jib, add operational security, and the hoisting depth of hammer ram can be increased for the hammer ram promoting same diameter, or when maximum lifting height is identical, reduce jib entire length, reduce overall mass, improve safety factor, contribute to the transaction capabilities giving full play to hammer ram, improve the operating efficiency of equipment.
Concrete, as shown in Fig. 1, Fig. 3, Fig. 6 and Fig. 7, described extension type arm-head device 5 comprises the sickle riser 5-1 of two parallel placements, the vertical handle of a knife plate 5-1-1 of described sickle riser 5-1 saves 4 axis directions along top arms, and be welded on top arms and save on the front-back of 4 symmetries, the horizontal edge of a knife plate 5-1-2 of described sickle riser 5-1 stretches out outside top arms joint 4 to hammer ram 10 direction, is fixed with many and strengthens gusset 5-7 between described front and back two sickle riser 5-1.Further, the bottom of the horizontal edge of a knife plate 5-1-2 of described sickle riser 5-1 is also provided with otic placode 5-9, and described otic placode 5-9 is provided with the installing hole of door frame 5-8, for installing door frame 5-8.
In said structure, riser 5-1 is designed to sickleshaped, vertical handle of a knife plate 5-1-1 saves 4 axis directions along top arms, and be welded on top arms and save on the front-back of 4 symmetries, the contact area that described vertical handle of a knife plate 5-1-1 and top arms save 4 increases, and be welded into one, jointly bear working pulling force, and stressed, power transmission is even, enhances the stability of work; And horizontal edge of a knife plate 5-1-2 stretches out outside top arms joint 4 to hammer ram 10 direction, increase the distance between hammer ram and jib, expand hammer ram working space in the horizontal direction, avoid the movement interference between hammer ram 10 and jib, add operational security, and the hoisting depth of hammer ram can be increased for the hammer ram promoting same diameter, improve safety factor, contribute to the transaction capabilities giving full play to hammer ram, improve the operating efficiency of equipment; Moreover, strengthen gusset 5-7 by many between two riser 5-1 and reinforce, the two is connected more firm, larger pulling force can be born; Further, by the lower side at extension type arm-head device, door frame 5-8 is installed, the ability of ramming of complete machine can be made to double, meet higher working condition requirement.
Concrete, as depicted in figs. 1 and 2, described top arms joint 4 comprises four and becomes centrum to arrange main vertical rod, by some reinforcement link of boards between described adjacent two main vertical rods.
Above-mentioned top arms joint structure, increase bearing capacity by the reinforcement gusset connected between adjacent two main vertical rods, structure is simple, reasonable in design.
Concrete, as shown in Figure 4, described fixed pulley group 5-2 comprises the individual pulley 5-2-1 be fixed on by central axis I 5-3 on extension type arm-head device 5 of 2-6.
In this Fig. 4, adopt and preferably comprise the fixed pulley group of 4 pulley 5-2-1, the running block at these four wheels and bottom suspension hook 11 place, can independent assortment, according to requirements of one's work, adjust the multiplying power of lifting, to reach the needs of different operating mode, flexibility is higher.
Concrete, as shown in Figure 1, Figure 2 with shown in Fig. 5, described leading block 5-4 is fixed on the rear end of extension type arm-head device 5 by guiding trestle 5-5.
Said structure, adopts independent guiding trestle 5-5 for installing leading block 5-4, can easy maintenance and replacement, and practicality is stronger, reduces the expense of maintenance to a certain extent, cost-saving.
Further, the rear end of described extension type arm-head device 5 is provided with the installing hole 5-10 for hinged take-up device 6, and described take-up device 6 comprises multistage stay cord hinged successively, and the hinged luffing assembly pulley 8 of stay cord end is connected with car body 1.
Above-mentioned take-up device 6 ensure that the conversion of the overall angle of the whole jib of dynamic compaction machinery, and passes through the adjustment of the luffing assembly pulley 8 of end, and after ensure that jib adjustment angle, take-up device 6 is in the state of tension all the time, ensures that normal, the safety of work are carried out.
Except above-mentioned dynamic compaction machinery combined type top jib structure, present invention also offers a kind of dynamic compaction machinery, as shown in Figure 7, comprise car body 1, bottom arm that bottom is connected with dynamic compaction machinery car body 1 save 2, multiple insert jib section 3 and the top arm shelf structure that is connected with the insert jib section 3 of topmost, described top arm shelf structure is the combined type top jib structure described in above any one.
Further, as shown in Figure 7, the sway bar 7 all hinged with the two is also provided with between described insert jib section 3 and car body 1.Described sway bar 7 for preventing the excessive hypsokinesis of boom device in lifting operation, and causes work unstability, security incident occurs, ensure that carrying out smoothly and safety of work.
Further, as shown in Figure 7, described base arm joint 2 is also provided with angle display 13.Described angle display 13 can be used for carrying out Real-Time Monitoring to the lifting angle of jib, feed back to operating personnel, ensure that the lifting angle in the jib course of work is in the zone of reasonableness of regulation, ensure that carrying out with safety smoothly of work, improve operating safety factor.
Owing to including above-described combined type top jib structure in dynamic compaction machinery, it is the corresponding technique effect with combined type top jib structure also, and in addition, other portion of techniques features of this dynamic compaction machinery see prior art, can not repeat them here.
It is to be noted: the noun of locality such as upper and lower, front and rear in the present invention just defines for the relative position of each component; just in order to scheme describe clear; language performance succinct; it will be understood by those skilled in the art that the noun of locality used in literary composition should not limit protection domain herein.
Claims (10)
1. a dynamic compaction machinery combined type top jib structure, it is characterized in that: comprise top arms joint (4), the top of described top arms joint (4) is provided with the extension type arm-head device (5) saving (4) with top arms and be integrated, the front end of described extension type arm-head device (5) is provided with the fixed pulley group (5-2) for promoting hammer ram (10), and rear end is provided with the leading block (5-4) for playing the guiding role to hammer ram (10).
2. a kind of dynamic compaction machinery combined type top jib structure according to claim 1, it is characterized in that: described extension type arm-head device (5) comprises the sickle riser (5-1) of two parallel placements, the vertical handle of a knife plate (5-1-1) of described sickle riser (5-1) is along top arms joint (4) axis direction, and be welded on the symmetrical front-back of top arms joint (4), the horizontal edge of a knife plate (5-1-2) of described sickle riser (5-1) stretches out top arms joint (4) outside to hammer ram (10) direction, be fixed with many between described front and back two sickle riser (5-1) and strengthen gusset (5-7).
3. a kind of dynamic compaction machinery combined type top jib structure according to claim 2, it is characterized in that: the bottom of the horizontal edge of a knife plate (5-1-2) of described sickle riser (5-1) is also provided with otic placode (5-9), described otic placode (5-9) is provided with the installing hole of door frame (5-8), for installing door frame (5-8).
4. a kind of dynamic compaction machinery combined type top jib structure according to claim 1, is characterized in that: described top arms joint (4) comprises four and becomes centrum to arrange main vertical rod, by some reinforcement link of boards between described adjacent two main vertical rods.
5. a kind of dynamic compaction machinery combined type top jib structure according to claim 1, is characterized in that: described fixed pulley group (5-2) comprises the individual pulley (5-2-1) be fixed on by central axis I (5-3) on extension type arm-head device (5) of 2-6.
6. a kind of dynamic compaction machinery combined type top jib structure according to claim 1, is characterized in that: described leading block (5-4) is fixed on the rear end of extension type arm-head device (5) by guiding trestle (5-5).
7. a kind of dynamic compaction machinery combined type top jib structure according to claim 1, it is characterized in that: the rear end of described extension type arm-head device (5) is provided with the installing hole (5-10) for hinged take-up device (6), described take-up device (6) comprises multistage stay cord hinged successively, and the hinged luffing assembly pulley (8) of stay cord end is connected with car body (1).
8. a dynamic compaction machinery, comprise car body (1), top arm shelf structure that bottom arm that bottom is connected with dynamic compaction machinery car body (1) saves (2), multiple insert jib section (3) and is connected with the insert jib section (3) of topmost, it is characterized in that: described top arm shelf structure is the combined type top jib structure described in any one of claim 1 to 7.
9. a kind of dynamic compaction machinery according to claim 8, is characterized in that: be also provided with the sway bar (7) all hinged with the two between described insert jib section (3) and car body (1).
10. a kind of dynamic compaction machinery according to claim 9, is characterized in that: described base arm joint (2) is also provided with angle display (13).
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| CN201510470082.0A CN105064318A (en) | 2015-08-04 | 2015-08-04 | Dynamic compactor and combined top arm support structure thereof |
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| CN201510470082.0A CN105064318A (en) | 2015-08-04 | 2015-08-04 | Dynamic compactor and combined top arm support structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201354136Y (en) * | 2009-01-22 | 2009-12-02 | 淮安远航船用设备制造有限公司 | Multifunctional crane |
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Application publication date: 20151118 |
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