CN204040015U - The boom device of dynamic compaction machinery - Google Patents
The boom device of dynamic compaction machinery Download PDFInfo
- Publication number
- CN204040015U CN204040015U CN201420412990.5U CN201420412990U CN204040015U CN 204040015 U CN204040015 U CN 204040015U CN 201420412990 U CN201420412990 U CN 201420412990U CN 204040015 U CN204040015 U CN 204040015U
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- Prior art keywords
- jib
- arm frame
- boom
- dynamic compaction
- compaction machinery
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Abstract
The utility model gives a kind of boom device of dynamic compaction machinery, at least comprise jib in the middle of base arm frame, top arm frame and at least one joint, described middle jib is connected and fixed with base arm frame and top arm frame respectively, the turntable of base arm frame lower end and dynamic compaction machinery is hinged, and top arm frame top is fixedly connected with jib gooseneck boom; Top arm frame tilts backwards and is fixed on middle jib, and making has angle between the center line of the center line of top arm frame and described middle jib; Jib gooseneck boom comprises two risers, and two risers are fixedly connected with by some connectors, the bending of corresponding oriented front side in the middle part of two risers.There is angle between the center line of top arm frame and the center line of described middle jib, make it possible to increase hammer ram hoisting depth, and it is stressed to optimize top arm frame; And adopt the jib gooseneck boom of said structure can bear larger load, decrease hammer ram, movement interference between suspension hook and boom device, hammer ram hoisting depth can be increased again, not only ensure that safety but also given full play to the performance of professional dynamic compaction machinery.
Description
Technical field
The utility model relates to a kind of boom device of dynamic compaction machinery.
Background technology
Dynamic compaction machinery is the plant equipment for compacting foundation operation in engineering construction, after it mainly utilizes the jib gooseneck boom 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 frame, multiple middle jib and top arm frame, the turntable of base arm frame lower end and dynamic compaction machinery is hinged, multiple middle jib is arranged in a linear successively, and it is bolted each other, the two ends of multiple middle jib are bolted fixing respectively at base arm frame and top arm frame, the center line of base arm frame, the center line of top arm frame and the center line of all middle jibs are on the same line, jib gooseneck boom is provided with on the upside of top arm frame, jib gooseneck boom is fixed by bolts on the sidewall of top arm frame usually.
But common dynamic compaction machinery structure can make hammer ram on the downside of jib gooseneck boom and jib close together in the horizontal direction, can not be fully used in space below boom device, and easily cause hammer ram and boom device to move interference, hammer ram hoisting depth is just forced to reduce, easy generation hammer ram and boom device collide, cause security incident, thus have impact on operating efficiency, jib gooseneck boom is generally bolted on top arm frame sidewall, long-time use can cause the fatigue of bolt, easily security incident occurs; And after hammer ram release boom device produces in luffing plane before and after shaking amplitude excessive, make jib itself easily deformation occur, cause lower the application life of boom device, the increase of the use technology cost of equipment.
In prior art, dynamic compaction machinery adopts flexible cable luffing mode, promotes in the process of hammer ram at dynamic compaction machinery, and drag-line occurs to extend largely; At dynamic compaction machinery, hammer ram is brought up to the moment of certain altitude release, drag-line is retracted to original length again fast largely, in a working cycle process, and the working depth of the elongation strain meeting lower arm rack device of the large degree of drag-line; The large degree shrinkage strain of drag-line can be supplied to boom device along luffing plane rearward pulling force, increase boom device along the luffing plane amount of tumbling backward, also extend to the completely stable time after boom device release hammer ram simultaneously, not only affected operating efficiency but also greatly reduced the safety of equipment.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of safety is high, the boom device of the dynamic compaction machinery of good stability.
For solving the problems of the technologies described above, the utility model provides a kind of boom device of dynamic compaction machinery, at least comprise jib in the middle of base arm frame, top arm frame and at least one joint, described middle jib is connected and fixed with base arm frame and top arm frame respectively, the turntable of base arm frame lower end and dynamic compaction machinery is hinged, and top arm frame top is fixedly connected with jib gooseneck boom;
Top arm frame tilts backwards and is fixed on middle jib, and making has angle between the center line of the center line of top arm frame and described middle jib;
Described jib gooseneck boom comprises the riser of two parallel placements, is mutually permanently connected between two risers by some connectors, the bending of corresponding oriented front side in the middle part of two risers, and jib gooseneck boom front portion is stretched out outside jib.
In order to better understand technology contents of the present utility model, below by the boom device of dynamic compaction machinery referred to as boom device.
After adopting such structure, have angle between the center line of top arm frame and the center line of described middle jib, make top arm frame for form of structure of initiatively swinging back, when identical brachium, this structure can increase hammer ram hoisting depth, and it is stressed to optimize top arm frame;
The bending of corresponding oriented front side in the middle part of two risers of jib gooseneck boom, jib gooseneck boom bottom is fixedly connected on top arm frame upper end, riser is one piece of entirety, then make jib gooseneck boom can bear larger load, and increase hammer ram and boom device spacing in the horizontal direction, decrease hammer ram, movement interference between suspension hook and boom device, hammer ram hoisting depth can be increased again simultaneously, not only ensure that safety but also given full play to the performance of professional dynamic compaction machinery.
The middle jib of this boom device is some joints, and all middle jibs are arranged in a linear fixing successively; After adopting such structure, by increasing and decreasing the number of middle jib, reach the object of adjustment active length.
The riser inside edge of the jib gooseneck boom of this boom device is fixedly connected with annular stiffener; After adopting such structure, prevent riser from deforming stressed, also enable jib gooseneck boom bear larger load.
The jib gooseneck boom lower front of this boom device is provided with door frame mount pad; After adopting such structure, this boom device can be coordinated with door frame by the door frame mount pad of jib gooseneck boom, ensures that professional dynamic compaction machinery adapts to large tamping energy operating mode, the range of application of arms rack device and job stability.
The jib gooseneck boom upper back of this boom device is hinged with luffing pulling assembly, luffing pulling assembly comprises some arm-ties and some links, hinged by link between arbitrary neighborhood two arm-ties, and luffing pulling assembly all by link and jib gooseneck boom or external equipment hinged;
The junction plate that described link comprises two parallel placements is connected bearing pin with two, and described arm-tie is between two junction plates, connects the side that bearing pin is each passed through arm-tie and two junction plates, makes between link and arm-tie hinged.
After adopting such structure, by luffing pulling assembly, boom device is connected with changing-breadth system, and utilize the rigidity of arm-tie self to reduce jib rebound amount, farthest reduce because changing-breadth system is out of shape the impact that boom device working depth reduces and front and back shaking volume is large caused, improve operating efficiency and the safety of professional dynamic compaction machinery.
Base arm frame, the described middle jib of this boom device are identical with the structure of top arm frame, above-mentioned jib comprises four main chords and some main web members, parallel and the rectangular arrangement of four main chords, connected by some main web members between adjacent two main chords, main web member adopts angle steel material; After adopting such structure, main web member adopts angle steel material, improves boom device stiffness by itself, reduces hammer ram release moment boom device at luffing plane rebound amount backward.
Angle between the center line of its top arm frame and the center line of described middle jib is 175 °-178 °, and this is the preferred version of this boom device.
Accompanying drawing explanation
Fig. 1 is the using state figure of this boom device embodiment.
Fig. 2 is the part-structure schematic diagram of this boom device embodiment.
Fig. 3 is the structural representation of this boom device embodiment top arm frame and jib gooseneck boom.
Fig. 4 is the front view of this boom device embodiment jib gooseneck boom.
Fig. 5 is the structural representation of this boom device embodiment arm-tie and link.
Detailed description of the invention
As shown in Fig. 1 to 5, jib in the middle of part, top arm frame, jib gooseneck boom and de-hammer device are only shown in Fig. 2; Fig. 3 only illustrates part top arm frame and jib gooseneck boom, and the structure of jib gooseneck boom inside is conveniently shown, eliminates a cant board; Annular stiffener in Fig. 4 inside represented by dotted arrows riser; Fig. 5 only illustrates the structure of two part arm-ties and a link; Conveniently understand the technology contents of this boom device, the amplification that Fig. 2 to Fig. 5 carries out different proportion represents.
This boom device comprises base arm frame 1, top arm frame 3 and the middle jib 2 of a joint, base arm frame 1 and middle jib 2 are bolted, the middle center line of jib 2 and the centerline collineation of base arm frame 1, top arm frame 3 and middle jib 2 are also bolted, but top arm frame 3 tilts backwards, make there is angle β between the center line of the center line of top arm frame 3 and described middle jib 2, angle β is 178 °, base arm frame 1, middle jib 2 is roughly the same with the agent structure of top arm frame 3, mainly comprise four main chords 13 and some main web members 4, parallel and the rectangular arrangement of four main chords 13, connected by some main web members 4 between adjacent two main chords 13, main web member 4 adopts angle steel material.
Top arm frame 3 upper weld has jib gooseneck boom 5, jib gooseneck boom 5 is box-structure, jib gooseneck boom 5 both sides are respectively the riser 5a of two parallel placements, be connected and fixed by multiple bending plate connection member 5d (because the reason of angle merely illustrates a bending plate connection member 5d in figure) between two riser 5a, the bending of corresponding oriented front side in the middle part of two riser 5a, jib gooseneck boom 5 front end is made to stretch out outside jib, between two riser 5a front portions of jib gooseneck boom 5, first fixed pulley 6a is housed, between two riser 5a rear portions of jib gooseneck boom 5, second fixed pulley 6b is housed, annular stiffener 5b is also welded with inside each riser 5a, annular stiffener 5b position is near the marginal position of riser 5a, gap is had between the annular stiffener 5b of two riser 5a, jib gooseneck boom 5 lower front is welded with door frame mount pad 5c, jib gooseneck boom 5 upper back is hinged with luffing pulling assembly 7, luffing pulling assembly 7 comprises two arm-tie 7a and three links, two arm-tie 7a and three links are spaced respectively successively, and it is hinged between any two, the junction plate 7b that link comprises two parallel placements is connected bearing pin 7c with two, luffing pulling assembly 7 is all hinged by the luffing assembly pulley 10 of link and jib gooseneck boom 5 or outside.
The turntable 11 of base arm frame 1 lower end and dynamic compaction machinery is hinged, de-hammer device 9 is lifted with on the downside of jib gooseneck boom 5, the boom hoist cable 8 of dynamic compaction machinery is walked around the first fixed pulley 6a and the second fixed pulley 6b respectively and coordinates with de-hammer device 9, coordinated with door frame 12 by the door frame mount pad 5c of jib gooseneck boom 5, luffing pulling assembly 7 one end is hinged on the upside of jib gooseneck boom 5 rear portion, and the other end is hinged on luffing assembly pulley 10.
And this boom device can with Chinese patent " dynamic compaction machinery de-hammer device " (application number: 201410154543.9) disclosedly de-ly hammer device and coordinates, the jib gooseneck boom of this boom device is hammered device into shape and is reached good and mate with taking off, and makes to take off that to hammer operation into shape more convenient;
This boom device can also with Chinese patent " dynamic compaction machinery vibration damping anti-squat system " (application number: 201320716145.2) disclosed anti-hypsokinesis coordinates, with above-mentioned anti-hypsokinesis upper end thereof on rear side of base arm frame top, the lower end of above-mentioned anti-hypsokinesis and the turntable of dynamic compaction machinery hinged, the elastic buffer part of anti-hypsokinesis adopts the spring of two different-stiffness to form, during anti-hypsokinesis forced compression, little rigidity buffer spring compression speed is greater than large rigidity buffer spring compression speed; On the contrary, during the stressed reduction of anti-hypsokinesis, large rigidity buffer spring compression speed is greater than little rigidity buffer spring compression speed, in a working cycle process of professional dynamic compaction machinery, boom device remains and contacts with anti-hypsokinesis Long Distances low-force and come off, and effectively reduces the front and back shaking volume of boom device.De-hammer device is made to reduce the front and back shaking volume of boom device when taking off and putting hammer ram.
Middle jib in above-described embodiment is a joint, but this patent can also use two, three or multiple middle jib, the difference of itself and above-described embodiment is only that plural middle jib is arranged in a linear, be bolted between any two, the center line of all middle jibs and the centerline collineation of base arm frame, by the number of jib in the middle of increase and decrease, the object of adjustment active length can be reached.
Angle β in above-described embodiment between the center line of top arm frame and the center line of middle jib is 178 °, prove at actual experiment, angle β between the center line of top arm frame and the center line of middle jib is respectively 175 °, 176 °, 177 °, 178 ° can optimize that top arm frame is stressed reaches better effects, because the fine difference just in angle, does not do and repeats one by one.
Above-described is only a kind of embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model principle; can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. the boom device of dynamic compaction machinery, at least comprise jib in the middle of base arm frame, top arm frame and at least one joint, described middle jib is connected and fixed with base arm frame and top arm frame respectively, and the turntable of base arm frame lower end and dynamic compaction machinery is hinged, top arm frame top is fixedly connected with jib gooseneck boom, it is characterized in that:
Top arm frame tilts backwards and is fixed on middle jib, and making has angle between the center line of the center line of top arm frame and described middle jib;
Described jib gooseneck boom comprises the riser of two parallel placements, is mutually permanently connected between two risers by some connectors, the bending of corresponding oriented front side in the middle part of two risers, and jib gooseneck boom front portion is stretched out outside jib.
2. the boom device of dynamic compaction machinery according to claim 1, is characterized in that: described middle jib is some joints, and all middle jibs are arranged in a linear fixing successively.
3. the boom device of dynamic compaction machinery according to claim 1, is characterized in that: the riser inside edge of described jib gooseneck boom is fixedly connected with annular stiffener.
4. the boom device of dynamic compaction machinery according to claim 1, is characterized in that: described jib gooseneck boom lower front is provided with door frame mount pad.
5. the boom device of dynamic compaction machinery according to claim 1, it is characterized in that: described jib gooseneck boom upper back is hinged with luffing pulling assembly, luffing pulling assembly comprises some arm-ties and some links, hinged by link between arbitrary neighborhood two arm-ties, and luffing pulling assembly all by link and jib gooseneck boom or external equipment hinged;
The junction plate that described link comprises two parallel placements is connected bearing pin with two, and described arm-tie is between two junction plates, connects the side that bearing pin is each passed through arm-tie and two junction plates, makes between link and arm-tie hinged.
6. the boom device of dynamic compaction machinery according to claim 1, it is characterized in that: base arm frame, described middle jib are identical with the structure of top arm frame, above-mentioned jib comprises four main chords and some main web members, parallel and the rectangular arrangement of four main chords, connected by some main web members between adjacent two main chords, main web member adopts angle steel material.
7. the boom device of dynamic compaction machinery according to claim 1, is characterized in that: the angle between the center line of top arm frame and the center line of described middle jib is 175 °-178 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412990.5U CN204040015U (en) | 2014-07-24 | 2014-07-24 | The boom device of dynamic compaction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412990.5U CN204040015U (en) | 2014-07-24 | 2014-07-24 | The boom device of dynamic compaction machinery |
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| Publication Number | Publication Date |
|---|---|
| CN204040015U true CN204040015U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412990.5U Withdrawn - After Issue CN204040015U (en) | 2014-07-24 | 2014-07-24 | The boom device of dynamic compaction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204040015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088269A (en) * | 2014-07-24 | 2014-10-08 | 安徽柳工起重机有限公司 | Cantilever crane device for dynamic compaction machine |
-
2014
- 2014-07-24 CN CN201420412990.5U patent/CN204040015U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088269A (en) * | 2014-07-24 | 2014-10-08 | 安徽柳工起重机有限公司 | Cantilever crane device for dynamic compaction machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20160921 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |