CN202787221U - Crawler-type dynamic compactor - Google Patents
Crawler-type dynamic compactor Download PDFInfo
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- CN202787221U CN202787221U CN 201220431471 CN201220431471U CN202787221U CN 202787221 U CN202787221 U CN 202787221U CN 201220431471 CN201220431471 CN 201220431471 CN 201220431471 U CN201220431471 U CN 201220431471U CN 202787221 U CN202787221 U CN 202787221U
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- type dynamic
- hammer ram
- dynamic compaction
- compaction machinery
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Abstract
The utility model discloses a crawler-type dynamic compactor and relates to the technical field of engineering machinery. The technical problem that the service life of a steel wire rope is shorter due to the fact that the stress of the steel wire rope cannot be effectively released in the prior art is solved. The crawler-type dynamic compactor comprises a pounder connecting device. The pounder connecting device comprises an upper lifting lug, a sleeve and a lower lifting lug, wherein the first end of the upper lifting lug is mutually connected with a steel wire rope led out by a lifting hoisting mechanism; the second end of the upper lifting lug is fixedly connected with the top part of the sleeve; the bottom part of the sleeve is provided with an anti-fallout bottom edge; the anti-fallout bottom edge is provided with a mounting hole; the first end of the lower lifting lug passes through the mounting hole and is embedded in the sleeve; the dimension of the other end of the lower lifting lug along the radial direction of the sleeve is greater than the internal diameter of the mounting hole; the first end of the lower lifting lug can rotate relative to the sleeve and around the circumferential direction of the sleeve; and the second end of the lower lifting lug is mutually connected with a pounder. The crawler-type dynamic compactor disclosed by the utility model is suitable for being applied to the soft ground. The service life of the steel wire rope is also prolonged by adopting the crawler-type dynamic compactor disclosed by the utility model.
Description
Technical field
The utility model relates to technical field of engineering machinery, is specifically related to a kind of crawler type dynamic compaction machinery.
Background technology
Dynamic compaction machinery is a kind of plant equipment for the ground compacting.
After meeting Reusability suspension hook is lifted to certain altitude with hammer ram in the dynamic compaction machinery course of work, utilize automatic decoupling device to discharge hammer ram or be with to hammer into shape and freely fall, give ground ramming with powerful impact energy, make and occur shock wave and impact stress in the soil, and the powerful shock wave that produces in this process can cause great impact injury to whole dynamic compaction machinery, so for dynamic compaction machinery, the safety of good reliability, operation, the fatigue durability of structure seem extremely important.
The hydraulic crawler dynamic compaction machinery is a kind of dynamic compaction machinery that is provided with crawler body.As depicted in figs. 1 and 2, existing hydraulic crawler dynamic compaction machinery mainly comprises the ingredients such as the running gear of getting off, hydraulic system, electrical system and dynamical system.At least turntable 1, truss arm 3, hammer ram 4, wire rope 11, man-like shelf 23, suspension hook 24, automatic decoupling device 25, pulpit 26, track beam 27, canopy 28, counterweight 29, assembly pulley 30 and two luffing drag-line 31 of existing hydraulic crawler dynamic compaction machinery have been illustrated among Fig. 1.
Crawler body is the important component part of hydraulic crawler dynamic compaction machinery, crawler body is by track beam 27, creeper tread, thrust wheel, driving running gear form as shown in Figure 1, it is mainly used in bearing complete machine weight, complete machine is not sunk in the hover ground general work, also be used for to realize the driving walking function of dynamic compaction machinery, the functions such as the walking mechanism of crawler body can realize the advancing of complete machine, retreats, turning.
Grounding pressure is one of important parameter of dynamic compaction machinery.Grounding pressure refers to the pressure of crawler body and ground contact position, usually adopts average unit pressure of ground to weigh vehicle to the amount of force situation on ground.Average unit pressure of ground is complete machine deadweight gravity/(track length * track shoe width).
There is following technical problem at least in prior art:
At present, domesticly transform 300tm to 500tm crawler type dynamic compaction machinery mainly with the medium and small tonnage caterpiller crane of 50t～80t greatly, the shortcoming such as the improved dynamic compaction machinery of this mode exists that grounding pressure is large, inefficiency, dismounting transition complexity, maintenance cost are high.
The utility model content
The purpose of this utility model is to propose a kind of crawler type dynamic compaction machinery, has solved prior art and has existed wire rope stress effectively to discharge, and causes short technical problem in application life.In addition, optimal technical scheme of the present utility model also have adapt to soft ground, high efficiency, simple in structure, easy to use and truss arm rocks less advantage.
For achieving the above object, the utility model provides following technical scheme:
The crawler type dynamic compaction machinery that the utility model provides comprises turntable, the hoisting mechanism that hoists, truss arm, hammer ram and hammer ram linkage, and described hammer ram linkage comprises hanger, sleeve and lower hanger, wherein:
The first end of described upper hanger is connected with the wire rope that the described hoisting mechanism that hoists is drawn, and the second end of described upper hanger is fixedly connected with the top of described sleeve;
The bottom of described sleeve is provided with the anticreep base, described anticreep is provided with installing hole on the base, the first end of described lower hanger passes described installing hole and is embedded in the described sleeve, and the first end of described lower hanger can rotate around the circumferential direction of described sleeve with respect to described sleeve greater than the internal diameter of described installing hole and the first end of described lower hanger along the size of described sleeve radial direction;
The second end of described lower hanger is connected with described hammer ram.
Preferably, described crawler type dynamic compaction machinery also comprises crawler body, and the average unit pressure of ground that described crawler body and ground contact position bear is not more than 0.05MPa, and the weight of described hammer ram is no more than 8 tons.
Preferably, the first end of described upper hanger with unload that cover is hinged and be connected with described wire rope by the described cover that unloads, it is interior and detachably be fixedly connected with described sleeve by securing member that the second end of described upper hanger is embedded in described sleeve.
Preferably, hinged chain connection and the bearing pin of comprising connects.
Preferably, be installed with at least two limit convex walls on the described hammer ram, the part that described limit convex wall deviates from described hammer ram be positioned at described unload cover around, described unload to be enclosed within be resisted against on the described limit convex wall when sagging under the Action of Gravity Field;
Also be installed with connection bump on the described hammer ram, be hinged between the second end of described connection bump and described lower hanger.
Preferably, described upper hanger is positioned on the circumferential exterior surface of the outer part of described sleeve and is provided with the first limit convex edge, described the first limit convex is along the top that is pressed against described sleeve, described lower hanger is positioned on the circumferential exterior surface of the outer part of described sleeve and is provided with the second limit convex edge, and described the second limit convex is along along the size of the described sleeve radial direction internal diameter greater than described installing hole.
Preferably, the top of the first end of described lower hanger or the first end of described lower hanger comprises threaded portion and screwed retaining ring, wherein: described threaded portion is provided with external screw thread, and described external screw thread matches with the internal thread of described screwed retaining ring, described screwed retaining ring is along the size of the described sleeve radial direction internal diameter greater than described installing hole, also be provided with bearing between described screwed retaining ring and the described anticreep base, the bottom surface of described screwed retaining ring is pressed on the upper end cover of described bearing, and the bottom end cover of described bearing is pressed on the described anticreep base.
Preferably, described bearing is thrust ball bearing.
Preferably, also be arranged with packing ring on the described lower hanger between described screwed retaining ring and the described bearing.
Preferably, described crawler type dynamic compaction machinery also comprises the web member protector, and described web member protector comprises at least one rod member, and described rod member detachably is fixedly connected with the part of described truss arm near described hammer ram.
Preferably, described crawler type dynamic compaction machinery also comprises protected apron, and described protected apron detachably is fixedly connected with the part of described truss arm near described hammer ram and ground.
Preferably, described protected apron is the PVC soft board.
Preferably, also be connected with man-like shelf on the described turntable, described man-like shelf is connected with described truss arm by the single-variable-amplitude drag-line.
Based on technique scheme, the utility model embodiment can produce following technique effect at least:
Because in the crawler type dynamic compaction machinery that the utility model provides, the first end of the lower hanger of hammer ram linkage can rotate around the circumferential direction of sleeve with respect to sleeve, so can discharge by the mode of rotating the internal stress of wire rope, avoid the wire rope internal stress too to concentrate and damage, exist wire rope stress effectively to discharge so solved prior art, cause short technical problem in application life.In addition, the hammer ram linkage that the utility model provides wire rope, hammer ram linkage and hammer ram in the process on hammer ram compacting ground are not thrown off, hammer ram and wire rope and hammer ram linkage can fall under Action of Gravity Field in the lump, so do not need to repeat hook (hook refers to the hammer ram linkage is articulated on the hammer ram) operation in each working cycles herein, operating efficiency is higher.
Compared with prior art at least also there is following advantage in the optimal technical scheme that the utility model provides:
1, grounding pressure is little.Average unit pressure of ground≤0.05MPa that crawler body and ground contact position bear by reducing the complete machine deadweight, increases track length in the utility model, and the method that increases track shoe width has reduced grounding pressure, makes the utility model adapt to the soft ground.
2, in the process on hammer ram compacting ground, hammer ram and wire rope and hammer ram linkage are not thrown off, and hammer ram falls in the lump together with wire rope.Do not need the hook operation in each working cycles.
The hammer ram linkage that 3, can discharge wire rope stress makes the wire rope internal stress obtain discharging preferably by the mode of rotation, has prolonged the application life of wire rope.
4, the web member protector can prevent effectively that web member from being hit curved by structural members such as detachers.The PVC soft board is equipped with in coxopodite arm below, and the clod, the stone that splash in the time of can effectively preventing the strong rammer operation fly to turntable, hoisting mechanism and slew gear thereby protection hoists.
5, the use of single-variable-amplitude drag-line can reduce attended operation, improves ease of use.
6, the rear-mounted hoisting mechanism that hoists, it is stressed to have improved principal arm, and reduced jib and rocked, compared with prior art, and the more close afterbody in position of the hoisting mechanism that hoists in the utility model, more efficiently active force of offsetting drag-line reduces so that jib rocks.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
The schematic diagram of the crawler type dynamic compaction machinery that Fig. 1 provides for prior art;
Fig. 2 is under travel position, the partial schematic diagram of the crawler type dynamic compaction machinery that prior art provides;
The schematic diagram of the crawler type dynamic compaction machinery that Fig. 3 provides for the utility model embodiment;
Fig. 4 is under travel position, the partial schematic diagram of the crawler type dynamic compaction machinery that the utility model embodiment provides;
The schematic diagram of hammer ram linkage and wire rope, hammer ram assembling process in the crawler type dynamic compaction machinery that Fig. 5 provides for the utility model embodiment;
Fig. 6 is the broken section enlarged diagram of hammer ram linkage shown in Figure 5;
A schematic diagram of the stereochemical structure of truss arm in the crawler type dynamic compaction machinery that Fig. 7 provides for the utility model embodiment;
Another schematic diagram of the stereochemical structure of truss arm in the crawler type dynamic compaction machinery that Fig. 8 provides for the utility model embodiment;
The decomposing schematic representation of web member protector main member in the crawler type dynamic compaction machinery that Fig. 9 provides for the utility model embodiment;
After the web member protector is assembled on the truss arm in the crawler type dynamic compaction machinery that Figure 10 provides for the utility model embodiment, the schematic diagram of annexation between the column structure spare of web member protector and truss arm;
The schematic diagram of the crawler type dynamic compaction machinery intermediate station that Figure 11 provides for the utility model embodiment and the position relationship between the hoisting mechanism of hoisting;
Mark among the figure: 1, turntable; 2, the hoisting mechanism that hoists; 3, truss arm; 30, column structure spare; 4, hammer ram; 5, hammer ram linkage; 51, upper hanger; 511, the first end of upper hanger; 512, the second end of upper hanger; 513, the first limit convex edge; 52, sleeve; 521, anticreep base; 522, installing hole; 53, lower hanger; 531, the first end of lower hanger; 532, the second end of lower hanger; 533, the second limit convex edge; 534, screwed retaining ring; 6, crawler body; 7, unload cover; 8, securing member; 9, limit convex wall; 91, bearing rib; 10, connection bump; 11, wire rope; 12, single-variable-amplitude drag-line; 13, bearing; 14, packing ring; 15, web member protector; 151, rod member; 16, placement plate; 17, U-shaped body; 18, pad; 19, crooked spacer; 20, setscrew nut; 21, positioning screw; 22, protected apron; 23, man-like shelf; 24, suspension hook; 25, automatic decoupling device; 26, pulpit; 27, track beam; 28, canopy; 29, counterweight; 30, assembly pulley; 31, two luffing drag-lines.
The specific embodiment
Below by accompanying drawing Fig. 3～Figure 11 and the mode of enumerating optional embodiment more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.Need to prove: any technical characterictic in the present embodiment; any technical scheme all is the technical characterictic of plurality of optional or one or more in the optional technical scheme; can't exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in the presents; the embodiment that also is not easy to each technical characterictic emphasizes that all it is one of optional numerous embodiments; so those skilled in the art should know: any technical characterictic and any technical scheme in the present embodiment all do not limit protection domain of the present utility model, and protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The utility model embodiment provide a kind of service life of steel wire rope long, adapt to soft ground, high efficiency, simple in structure, easy to use and truss arm rocks less crawler type dynamic compaction machinery.
Below in conjunction with Fig. 3～Figure 11 the technical scheme that the utility model provides is carried out more detailed elaboration, the technical scheme that arbitrary technological means that the utility model is provided is replaced or two or more technological means that the utility model provides are made up mutually and obtains all should be within protection domain of the present utility model.
Such as Fig. 3～shown in Figure 11, the crawler type dynamic compaction machinery that the utility model embodiment provides, comprise turntable 1, the hoisting mechanism 2 that hoists, truss arm (being preferably principal arm) 3, hammer ram 4 and hammer ram linkage 5, hammer ram linkage 5 comprises such as Fig. 5 or upper hanger 51, sleeve 52 and lower hanger 53 shown in Figure 6, wherein:
The first end 511 of upper hanger 51 is connected with the wire rope 11 that the hoisting mechanism 2 that hoists is drawn, and the second end 512 of upper hanger 51 is fixedly connected with the top of sleeve 52.
The bottom of sleeve 52 is provided with anticreep base 521, be provided with installing hole 522 on the anticreep base 521, the first end 531 of lower hanger 53 passes installing hole 522 and is embedded in the sleeve 52, and the first end 531 of lower hanger 53 can rotate around the circumferential direction of sleeve 52 with respect to sleeve 52 greater than the internal diameter of installing hole 522 and the first end 531 of lower hanger 53 along the size of sleeve 52 radial direction.The second end 532 of lower hanger 53 is connected with hammer ram 4.
Because in the crawler type dynamic compaction machinery that the utility model provides, the first end 531 of the lower hanger 53 of hammer ram linkage 5 can rotate around the circumferential direction of sleeve 52 with respect to sleeve 52, so can discharge by the mode of rotating the internal stress of wire rope 11, avoid wire rope 11 internal stresss too much to damage, and, the hammer ram linkage 5 that the utility model provides is not thrown off with hammer ram 4 in the process on hammer ram 4 compacting ground, hammer ram 4 can fall under Action of Gravity Field in the lump with wire rope 11 and hammer ram linkage 5, so do not need to repeat the hook operation in each working cycles, operating efficiency is higher.
At least turntable 1, truss arm 3, hammer ram 4, crawler body 6, wire rope 11, man-like shelf 23, pulpit 26, track beam 27, counterweight 29 and the single-variable-amplitude drag-line 12 of the hydraulic crawler dynamic compaction machinery that the utility model provides have been illustrated among Fig. 3.
At least man-like shelf 23 and the counterweight 29 of the hydraulic crawler dynamic compaction machinery that the utility model provides have been illustrated among Fig. 4.
Such as Fig. 3～shown in Figure 11, the crawler type dynamic compaction machinery also comprises crawler body 6 in the present embodiment, and crawler body 6 is not more than 0.05MPa with the average unit pressure of ground that the ground contact position bears, and the weight of hammer ram 4 is no more than 8 tons.
Certainly, the average unit pressure of ground that crawler body 6 and ground contact position bear is the technical scheme of other numerical value, and the weight of hammer ram 4 is that the technical scheme of other tonnages is also within protection domain of the present utility model.
By reducing the complete machine deadweight, increase track length in the utility model, the method that increases track shoe width has reduced grounding pressure, makes the utility model adapt to the soft ground.
In the present embodiment first end 511 of upper hanger 51 with unload that cover 7 is hinged and be connected with wire rope 11 by unloading cover 7, it is interior and detachably be fixedly connected with sleeve 52 by securing member 8 that the second end 512 of upper hanger 51 is embedded in sleeve 52.Hinged chain connection and the bearing pin of comprising connects herein, is preferably bearing pin and connects.
Hinged as a kind of movable connection method, it also can realize discharging the effect of wire rope 11 stress.Securing member 8 is preferably screw, certainly use the securing members such as bolt, double-screw bolt with the technical scheme of instead of screws also within protection domain of the present utility model.
Be installed with at least two limit convex walls 9 in the present embodiment on the hammer ram 4, the part that limit convex wall 9 deviates from hammer ram 4 be positioned at unload cover 7 around, unload cover 7 and be resisted against on the limit convex wall 9 when sagging under Action of Gravity Field.
9 pairs on limit convex wall unloads cover and 7 has position-limiting action, and it is too low and cause that wire rope 11 twines that it can avoid unloading the positions of cover 7 landing.
Also be installed with connection bump 10 in the present embodiment on the hammer ram 4, be hinged between the second end 532 of connection bump 10 and lower hanger 53.
Hinged as a kind of movable connection method, it also can realize the stress between release connection projection 10 and the lower hanger 53.
The first limit convex has spacing effect along 513 pairs of upper hangers 51, and it is too dark to avoid hanger 51 to embed sleeve 52.The second limit convex has spacing effect along 533 pairs of lower hangers 53, and it is too dark to avoid lower hanger 53 to embed sleeve 52.
Certainly, only use the first limit convex along the 513 and second limit convex along 533 one of them technical schemes also within protection domain of the present utility model.
The first end 531 of lower hanger 53 comprises threaded portion and screwed retaining ring 534 in the present embodiment, and perhaps, the top of the first end 531 of lower hanger 53 comprises threaded portion and screwed retaining ring 534, wherein:
The threaded portion is provided with external screw thread, and external screw thread matches with the internal thread of screwed retaining ring 534, screwed retaining ring 534 is along the size of the sleeve 52 radial direction internal diameter greater than installing hole 522, also be provided with bearing 13 between screwed retaining ring 534 and the anticreep base 521, the bottom surface of screwed retaining ring 534 is pressed on the upper end cover of bearing 13, and the bottom end cover of bearing 13 is pressed on the anticreep base 521.
Screwed retaining ring 534 is along the size of the sleeve 52 radial direction internal diameter greater than installing hole 522, so screwed retaining ring 534 can avoid lower hanger 53 to drop in sleeve 52.Bearing 13 can effectively reduce the frictional force that screwed retaining ring 534 produces in respect to anticreep base 521 rotation processes around the circumferential direction of sleeve 52.
Certainly, the technical scheme of screwed retaining ring 534 and lower hanger 53 (for example being used securing member) in other way removably connecting is also within protection domain of the present utility model.
Present embodiment middle (center) bearing 13 is preferably thrust ball bearing.Thrust ball bearing can bear the axial load that screwed retaining ring 534 applies, and effectively reduces the frictional force that screwed retaining ring 534 produces in respect to anticreep base 521 rotation processes around the circumferential direction of sleeve 52.
Certainly, the device that uses other bearings or have a lubricating function with the technical scheme that replaces thrust ball bearing also within protection domain of the present utility model.
Also be arranged with packing ring 14 on the lower hanger 53 in the present embodiment between screwed retaining ring 534 and the bearing 13.The axial load that is applied by screwed retaining ring 534 that packing ring 14 can reduce effectively that bearing 13 bears.
The crawler type dynamic compaction machinery also comprises web member protector 15 in the present embodiment, and web member protector 15 comprises at least one rod member 151, and rod member 151 detachably is fixedly connected with the part of truss arm 3 near hammer ram 4.
Web member protector 15 can increase truss arm 3 near the intensity of the part of hammer ram 4, strengthens truss arm 3 near the impact resistant capability of the part of hammer ram 4.
The straight line that passes the structural members such as crooked spacer 19, setscrew nut 20 among Fig. 9 represents the installation direction of said structure spare.
The protection syndeton comprises two U-shaped bodies 17, the bend of one of them U-shaped body 17 is socketed on the rod member 151 in two U-shaped bodies 17, and the both ends of this U-shaped body 17 are passed placement plate 16 and pad 18 successively, and U-shaped body 17 both ends are extended on the part of pad 18 and are provided with external screw thread, and the external screw thread at U-shaped body 17 both ends matches with the internal thread of two setscrew nuts 20 of diverse location.
In two U-shaped bodies 17 wherein the bend of another U-shaped body 17 be socketed on the rod member 151, and pad 18 is passed at the both ends of this U-shaped body 17, and U-shaped body 17 both ends are extended on the part of pad 18 and are provided with external screw thread, and the external screw thread at U-shaped body 17 both ends matches with the internal thread of the setscrew nut 20 of two other diverse location.The bend of crooked spacer 19 is socketed on the part column structure spare of truss arm 3 near hammer ram 4, and the positioning screw 21 of two diverse locations passes respectively the two ends of pad 18 and crooked spacer 19 and cooperates with the setscrew nut 20 of two diverse locations crooked spacer 19 is fixed on the placement plate 16.
Certainly, the connected mode of using other is fixed on technical scheme on the truss arm 3 also within protection domain of the present utility model with web member protector 15.
The crawler type dynamic compaction machinery also comprises protected apron 22 in the present embodiment, protected apron 22 is preferably PVC(PVC English name: polyvinylchloride, Chinese: polyvinyl chloride) soft board, protected apron 22 detachably is fixedly connected with the part of truss arm 3 near hammer ram 4 and ground.
Protected apron 22 can strengthen truss arm 3 near the part of hammer ram 4 and the impact resistant capability of subaerial part; clod, the stone of avoiding truss arm 3 to splash in the process on hammer ram 4 compacting ground fly to turntable 1, thereby have effectively protected hoisting mechanism and the slew gear that arranges on the turntable 1.
Also be connected with man-like shelf 23 on the present embodiment intermediate station 1, man-like shelf 23 is connected with truss arm 3 by single-variable-amplitude drag-line 12.Single-variable-amplitude drag-line 12 has the simple advantage of attended operation.
The hoisting mechanism 2 that hoists as shown in figure 11 in the present embodiment is arranged on the turntable 1 on the part away from hammer ram 4.Illustrated two hoisting mechanisms 2 that hoist of diverse location among Figure 11, the hoisting mechanism 2 that hoists of left position is the preferred rear-mounted hoisting mechanism 2 that hoists among Figure 11.
The rear-mounted hoisting mechanism 2 that hoists, it is stressed to have improved principal arm, has reduced jib and has rocked, because the more close afterbody in position of the hoisting mechanism 2 that hoists in the utility model, more efficiently active force of offsetting drag-line reduces so that jib rocks.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated outside, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range only is the apparent in view or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, can't be exhaustive, so just openly part numerical value is illustrating the technical solution of the utility model for the utility model, and the above-mentioned numerical value of enumerating should not consist of the restriction of the utility model being created protection domain.
Simultaneously, if above-mentioned the utility model discloses or has related to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can be fixedly connected with (for example using bolt or screw to connect) with dismantling, also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (for example use casting technique is integrally formed to be created) (obviously can't adopt except the integrally formed technique).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied term for expression position relationship or shape unless otherwise stated outer its implication comprise and its approximate, similar or approaching state or shape.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. a crawler type dynamic compaction machinery is characterized in that, comprises turntable, the hoisting mechanism that hoists, truss arm, hammer ram and hammer ram linkage, and described hammer ram linkage comprises hanger, sleeve and lower hanger, wherein:
The first end of described upper hanger is connected with the wire rope that the described hoisting mechanism that hoists is drawn, and the second end of described upper hanger is fixedly connected with the top of described sleeve;
The bottom of described sleeve is provided with the anticreep base, described anticreep is provided with installing hole on the base, the first end of described lower hanger passes described installing hole and is embedded in the described sleeve, and the first end of described lower hanger can rotate around the circumferential direction of described sleeve with respect to described sleeve greater than the internal diameter of described installing hole and the first end of described lower hanger along the size of described sleeve radial direction;
The second end of described lower hanger is connected with described hammer ram.
2. crawler type dynamic compaction machinery according to claim 1 is characterized in that, described crawler type dynamic compaction machinery also comprises crawler body, and the average unit pressure of ground that described crawler body and ground contact position bear is not more than 0.05MPa, and the weight of described hammer ram is no more than 8 tons.
3. crawler type dynamic compaction machinery according to claim 1, it is characterized in that, the first end of described upper hanger with unload that cover is hinged and be connected with described wire rope by the described cover that unloads, it is interior and detachably be fixedly connected with described sleeve by securing member that the second end of described upper hanger is embedded in described sleeve.
4. crawler type dynamic compaction machinery according to claim 3, it is characterized in that, be installed with at least two limit convex walls on the described hammer ram, the part that described limit convex wall deviates from described hammer ram be positioned at described unload cover around, described unload to be enclosed within be resisted against on the described limit convex wall when sagging under the Action of Gravity Field;
Also be installed with connection bump on the described hammer ram, be hinged between the second end of described connection bump and described lower hanger.
5. crawler type dynamic compaction machinery according to claim 3, it is characterized in that, described upper hanger is positioned on the circumferential exterior surface of the outer part of described sleeve and is provided with the first limit convex edge, described the first limit convex is along the top that is pressed against described sleeve, described lower hanger is positioned on the circumferential exterior surface of the outer part of described sleeve and is provided with the second limit convex edge, and described the second limit convex is along along the size of the described sleeve radial direction internal diameter greater than described installing hole.
6. crawler type dynamic compaction machinery according to claim 1, it is characterized in that, the top of the first end of described lower hanger comprises threaded portion and screwed retaining ring, described threaded portion is provided with external screw thread, and described external screw thread matches with the internal thread of described screwed retaining ring, described screwed retaining ring is along the size of the described sleeve radial direction internal diameter greater than described installing hole, also be provided with bearing between described screwed retaining ring and the described anticreep base, the bottom surface of described screwed retaining ring is pressed on the upper end cover of described bearing, and the bottom end cover of described bearing is pressed on the described anticreep base.
7. crawler type dynamic compaction machinery according to claim 1, it is characterized in that, described crawler type dynamic compaction machinery also comprises the web member protector, and described web member protector comprises at least one rod member, and described rod member detachably is fixedly connected with the part of described truss arm near described hammer ram.
8. crawler type dynamic compaction machinery according to claim 1 is characterized in that, described crawler type dynamic compaction machinery also comprises protected apron, and described protected apron detachably is fixedly connected with the part of described truss arm near described hammer ram and ground.
9. crawler type dynamic compaction machinery according to claim 1 is characterized in that, also is connected with man-like shelf on the described turntable, and described man-like shelf is connected with described truss arm by the single-variable-amplitude drag-line.
10. crawler type dynamic compaction machinery according to claim 1 is characterized in that, the described hoisting mechanism that hoists is arranged on the described turntable on the part away from described hammer ram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431471 CN202787221U (en) | 2012-08-29 | 2012-08-29 | Crawler-type dynamic compactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431471 CN202787221U (en) | 2012-08-29 | 2012-08-29 | Crawler-type dynamic compactor |
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| CN202787221U true CN202787221U (en) | 2013-03-13 |
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| CN 201220431471 Withdrawn - After Issue CN202787221U (en) | 2012-08-29 | 2012-08-29 | Crawler-type dynamic compactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469786A (en) * | 2013-09-27 | 2013-12-25 | 徐工集团工程机械股份有限公司 | Crawler dynamic compaction machine |
| CN103628462A (en) * | 2012-08-29 | 2014-03-12 | 徐工集团工程机械股份有限公司 | Crawler belt type dynamic compaction machine |
| CN104805824A (en) * | 2014-01-28 | 2015-07-29 | 北汽福田汽车股份有限公司 | Compacting hammer and dynamic compactor |
-
2012
- 2012-08-29 CN CN 201220431471 patent/CN202787221U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628462A (en) * | 2012-08-29 | 2014-03-12 | 徐工集团工程机械股份有限公司 | Crawler belt type dynamic compaction machine |
| CN103628462B (en) * | 2012-08-29 | 2015-06-24 | 徐工集团工程机械股份有限公司 | Crawler belt type dynamic compaction machine |
| CN103469786A (en) * | 2013-09-27 | 2013-12-25 | 徐工集团工程机械股份有限公司 | Crawler dynamic compaction machine |
| CN103469786B (en) * | 2013-09-27 | 2016-02-24 | 徐工集团工程机械股份有限公司 | A kind of crawler belt type dynamic compaction machine |
| CN104805824A (en) * | 2014-01-28 | 2015-07-29 | 北汽福田汽车股份有限公司 | Compacting hammer and dynamic compactor |
| CN104805824B (en) * | 2014-01-28 | 2016-09-07 | 北汽福田汽车股份有限公司 | A kind of hammer ram and dynamic compaction machinery |
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