CN211340747U

CN211340747U - Multi-specification rammer and dynamic compaction machine thereof

Info

Publication number: CN211340747U
Application number: CN201921930906.8U
Authority: CN
Inventors: 逯平; 张学军; 李振坤; 李影; 李闯; 齐丽勇
Original assignee: Beijing No2 Municipal Construction Engineering (ltd) Corp; Beijing Municipal Construction Co Ltd
Current assignee: Beijing No2 Municipal Construction Engineering (ltd) Corp; Beijing Municipal Construction Co Ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-08-25
Anticipated expiration: 2029-11-09

Abstract

The utility model relates to a multi-specification rammer and a dynamic compaction machine thereof, the multi-specification rammer comprises a hammer body, the hammer body comprises an upper layer rammer and a plurality of lower layer rammers, the upper-layer rammer is fixedly provided with a lifting hook, the upper-layer rammer and the lower-layer rammer are respectively provided with corresponding vent holes, a plurality of fixed blocks are fixedly arranged on the top surface of the lower layer rammer at intervals along the circumferential direction of the lower layer rammer, jacks are arranged on the fixed blocks, fixing grooves for accommodating the fixing blocks are respectively formed at the bottoms of the upper-layer rammer and the lower-layer rammer, through holes communicated with the insertion holes are respectively formed in the positions, provided with the fixing grooves, on the outer peripheral walls of the upper-layer rammer and the lower-layer rammer, the through holes continue to extend towards the interior of the corresponding upper layer rammer or the lower layer rammer through the jacks, and locking assemblies for fixing the lower-layer rammer and the lower-layer rammer, and fixing the lower-layer rammer and the upper-layer rammer are inserted into the insertion holes and the through holes. When the installation or when dismantling, can be as required polylith whole installation simultaneously and dismantle, it is more convenient to install and dismantle.

Description

Multi-specification rammer and dynamic compaction machine thereof

Technical Field

The utility model belongs to the technical field of the technique of dynamic compactor and specifically relates to a many specifications rammer and dynamic compactor thereof is related to.

Background

The dynamic compaction method is a foundation treatment method which freely falls down a heavy hammer from a high place, repeatedly tamps the ground for many times, impacts and vibrates the foundation and performs powerful compaction on the soil body. The method generally applies strong impact energy to a foundation by a heavy hammer of 100-400 kN with a drop distance of 8-40 m, generates large impact waves and dynamic stress in foundation soil, and transmits longitudinal waves and transverse waves emitted from a tamping point to the depth direction of the foundation, so that the foundation soil undergoes several stages of pore compression, local liquefaction, variable permeability (power drainage), effective thixotropic recovery and the like, a series of transient effects of pore compression in the soil are caused, and the foundation soil is compacted and compacted to reinforce the foundation soil, thereby achieving the purposes of improving the strength and the bearing capacity of the foundation, reducing the compressibility and reducing the settlement after construction.

However, in the process of tamping the foundation, the grade of dynamic compaction needs to be different according to different geological conditions and treatment requirements, so that a plurality of rammers with different specifications are needed.

At present, the dynamic compaction hammer of application number CN200820105953.4 adjustable quality that can supply to refer to, including hammer block, lifting hook, the hammer block is circular, evenly sets up a plurality of air vents that link up from top to bottom in it, the hammer block constitute by a plurality of individual layer rammer hammer block, each individual layer rammer hammer block is as an organic whole by a plurality of major diameter high strength bolted connection. The rammer is provided with the plurality of layers of rammers, so that the change of the quality of the rammer can be adjusted. However, because the single-layer rammers are connected into a whole through the bolts, when the weight of the rammers needs to be increased and reduced, the number of the single-layer rammers can be increased or decreased only one by one, and the construction efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a many specifications rammer can polylith integral erection and dismantlement, has the installation of being convenient for and dismantles, advantage that the efficiency of construction is high.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a many specifications rammer, includes the hammer block, the hammer block includes upper rammer and a plurality of lower floor's rammer, set firmly the lifting hook on the upper rammer, seted up corresponding air vent on upper rammer and the lower floor's rammer respectively, lower floor's rammer top surface has set firmly a plurality of fixed blocks along the circumferencial direction interval of lower floor's rammer, the jack has been seted up on the fixed block, the fixed slot that holds the fixed block is seted up respectively to upper rammer and lower floor's rammer bottom, the perforation with the jack intercommunication is seted up respectively in the position of seting up the fixed slot on upper rammer and the lower floor's rammer periphery wall, the perforation continues to extend to corresponding upper rammer or the inside continuation of lower floor's rammer through the jack, the jack inserts the locking subassembly that has lower floor's rammer and lower floor's rammer, lower floor.

Through adopting above-mentioned technical scheme, through setting up the locking subassembly respectively in upper ram and lower floor's ram side, the locking subassembly can be solitary fix lower floor's ram and lower floor's ram, lower floor's ram and upper ram, when the installation or dismantle, can be as required while polylith whole installation and dismantlement, it is more convenient to install and dismantle, the efficiency of construction is high.

The utility model discloses further set up to: the locking assembly is an inserted bar, external threads are arranged outside the inserted bar, and the jack and the through hole are threaded holes matched with the inserted bar.

Through adopting above-mentioned technical scheme, through with the inserted bar screw in jack and perforation in, fix the ram in an organic whole, it is more firm to fix, and the wholeness is better.

The utility model discloses further set up to: the locking assembly is an insert rod, an external thread is arranged at one end, close to the outside, of the insert rod, and an internal thread matched with the external thread is arranged at one end, close to the outside, of the through hole.

Through adopting above-mentioned technical scheme, directly install through the mode of pegging graft to the mode of cooperation screw thread interlock is fixed the inserted bar in the perforation, and it is more convenient to install and dismantle.

The utility model discloses further set up to: and grooves are formed in the side walls of the upper-layer rammer and the lower-layer rammer corresponding to the insertion rods.

The utility model discloses further set up to: the rammer of upper strata and lower floor rammer bottom indent forms the draw-in groove respectively, the fixed slot is seted up in the draw-in groove, the upper end evagination of lower floor's rammer forms the fixture block of card income draw-in groove, the fixed block sets firmly on the fixture block.

Through adopting above-mentioned technical scheme, through the interlock of fixture block and draw-in groove, increase the contact between the rammer, the wholeness is better, and simultaneously, the draw-in groove sets up in the bottom of rammer, carries out the rammer real-time at the hammer block to the ground, and the lateral wall of draw-in groove contacts ground in advance, and the outer wall of draw-in groove can the separation spray of unrestrained and shock wave this moment, prevents effectively that ground junk from splashing, improves the security of rammer.

The utility model discloses further set up to: the clamping groove and the clamping block are circular.

The utility model discloses further set up to: and the outer end of the inserted bar is fixedly provided with a screwing block.

By adopting the technical scheme, the inserting rod is convenient to screw.

The utility model discloses further set up to: the screwing block is hexagonal.

Through adopting above-mentioned technical scheme, usable current instrument is operated the inserted bar during installation and dismantlement, and is more convenient.

To sum up, the utility model discloses a beneficial technological effect does:

1. the locking assemblies are respectively arranged on the side surfaces of the upper-layer rammer and the lower-layer rammer, and can independently fix the lower-layer rammer and the lower-layer rammer as well as the lower-layer rammer and the upper-layer rammer;

2. the locking assembly is arranged as an insertion rod, is directly installed in an insertion mode, and is fixed in the through hole in a threaded engagement mode, so that the installation and the disassembly are more convenient;

3. through setting up fixture block and draw-in groove, the interlock of fixture block and draw-in groove increases the contact between the ram, and the wholeness is better, and simultaneously, the draw-in groove setting is in the bottom of ram, and in the time of ramming the ground at the hammer block, the lateral wall of draw-in groove contacts ground in advance, and the outer wall of draw-in groove can the separation spray of unrestrained and shock wave this moment, prevents effectively that the ground junk from splashing, improves the security of ram.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention.

In the figure, 1, a rammer at the upper layer; 2. a lower layer rammer; 3. a hook; 4. a vent hole; 5. a fixed block; 51. a jack; 52. perforating; 53. a groove; 6. fixing grooves; 7. inserting a rod; 71. lemon blocks; 8. a card slot; 9. and (7) clamping blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a many specifications rammer is used on dynamic compaction machine, including the hammer block, the hammer block includes upper rammer 1 and a plurality of lower floor's rammer 2, and upper rammer 1 and lower floor's rammer 2 are circular and the diameter the same, and upper rammer 1 upper end has set firmly lifting hook 3 in central point position, and lifting hook 3 is the confined cyclic annular. The upper-layer rammer 1 and the lower-layer rammer 2 are respectively provided with a corresponding vent hole 4, and the vent holes 4 are respectively communicated with the corresponding upper-layer rammer 1 or the corresponding lower-layer rammer 2.

Combine fig. 1 and fig. 2, the even a plurality of fixed blocks 5 that have set firmly in the circumferencial direction interval of lower floor's rammer 2 of the top surface of lower floor's ram 2, at least three, jack 51 has been seted up on the fixed block 5, the fixed slot 6 that is used for holding fixed block 5 is seted up respectively to upper rammer 1 and lower floor's ram 2 bottom, set up respectively in the position of fixed slot 6 the perforation 52 with jack 51 intercommunication simultaneously on the periphery wall of upper rammer 1 and lower floor's ram 2, perforation 52 continues to extend to corresponding upper rammer 1 or the inside continuation of lower floor's ram 2 through jack 51. The insertion holes 51 and the through holes 52 are inserted with locking assemblies for fixing the lower layer rammer 2 with the lower layer rammer 2, the lower layer rammer 2 and the upper layer rammer 1.

Through setting up the locking subassembly respectively in upper ram 1 and lower floor ram 2 side, the locking subassembly can be solitary fix lower floor ram 2 and lower floor ram 2, lower floor ram 2 and upper ram 1, when the installation or dismantle, can increase simultaneously as required polylith or simultaneously less, and it is more convenient to install and dismantle.

The locking subassembly is inserted bar 7, and the outer screw thread that is equipped with of inserted bar 7, jack 51 and perforation 52 be with the screw hole of inserted bar 7 looks adaptation, through with inserted bar 7 screw in jack 51 and perforation 52 in, fix the ram in an organic whole, fixed more firmly, the wholeness is better. Or set up the external screw thread in the outer one end of inserted bar 7, set up the internal thread with the external screw thread adaptation in the outer one end of perforation 52, through insert inserted bar 7 earlier in perforation 52 and jack 51 together with the ram is fixed from top to bottom, then rotate inserted bar 7, fix inserted bar 7 in perforation 52 through the mode of screw thread interlock, avoid when the hammer block tamps the ground, inserted bar 7 breaks away from perforation 52, cause the dangerous condition of ram separation from top to bottom, it is more convenient to install and dismantle.

A groove 53 is formed in the peripheral wall of the upper-layer rammer 1 and the peripheral wall of the lower-layer rammer 2 at the position where the inserting rod 7 is correspondingly arranged, and the end part of the inserting rod 7 is arranged in the groove 53.

In order to increase upper rammer 1 and lower floor's rammer 2, wholeness between lower floor's rammer 2 and the lower floor's rammer 2, at upper rammer 1 and lower floor's rammer 2 bottom indent formation draw-in groove 8 respectively, fixed slot 6 is seted up in draw-in groove 8, the upper end evagination of lower floor's rammer 2 forms the fixture block 9 of card income draw-in groove 8, draw-in groove 8 and fixture block 9 are circular, fixed block 5 sets firmly on fixture block 9, interlock through fixture block 9 and draw-in groove 8, increase contact between the rammer, the wholeness is better, and simultaneously, draw-in groove 8 sets up the bottom at the rammer, it is real-time to ram the ground at the hammer block, the lateral wall of draw-in groove 8 contacts ground in advance, the outer wall of draw-in groove 8 can obstruct the injection of air wave and shock.

Furthermore, in order to facilitate the installation and the disassembly of the insertion rod 7, a knob block 71 is fixedly arranged at the outer end of the insertion rod 7, the knob block 71 is hexagonal, and the insertion rod 7 can be operated by using an existing tool during the installation and the disassembly.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a many specifications rammer, includes the hammer block, its characterized in that: the hammer body comprises an upper-layer rammer (1) and a plurality of lower-layer rammers (2), a lifting hook (3) is fixedly arranged on the upper-layer rammer (1), corresponding air vents (4) are respectively arranged on the upper-layer rammer (1) and the lower-layer rammer (2), a plurality of fixing blocks (5) are fixedly arranged on the top surface of the lower-layer rammer (2) along the circumferential direction of the lower-layer rammer (2) at intervals, jacks (51) are arranged on the fixing blocks (5), fixing grooves (6) for accommodating the fixing blocks (5) are respectively arranged at the bottoms of the upper-layer rammer (1) and the lower-layer rammer (2), through holes (52) communicated with the jacks (51) are respectively arranged at the positions for arranging the fixing grooves (6) on the peripheral walls of the upper-layer rammer (1) and the lower-layer rammer (2), the through holes (52) continue to the insides of the corresponding upper-layer rammers (1) or the lower-, and a locking assembly for fixing the lower-layer rammer (2), the lower-layer rammer (2) and the upper-layer rammer (1) is inserted into the insertion hole (51) and the through hole (52).

2. A multi-specification rammer according to claim 1, wherein: the locking assembly is an insert rod (7), external threads are arranged outside the insert rod (7), and the insert hole (51) and the through hole (52) are threaded holes matched with the insert rod (7).

3. A multi-specification rammer according to claim 1, wherein: the locking assembly is an insert rod (7), an external thread is arranged at one end, close to the outside, of the insert rod (7), and an internal thread matched with the external thread is arranged at one end, close to the outside, of the through hole (52).

4. A multi-specification rammer according to any one of claims 2 to 3, wherein: and grooves (53) are formed in the side walls of the upper-layer rammer (1) and the lower-layer rammer (2) corresponding to the insertion rods (7).

5. A multi-specification rammer according to claim 4, wherein: upper ram (1) and lower floor ram (2) bottom indent forms draw-in groove (8) respectively, set up in draw-in groove (8) fixed slot (6), the upper end evagination of lower floor ram (2) forms fixture block (9) of card income draw-in groove (8), fixed block (5) set firmly on fixture block (9).

6. A multi-specification rammer according to claim 5, wherein: the clamping groove (8) and the clamping block (9) are circular.

7. A multi-specification rammer according to any one of claims 2 to 3, wherein: and a screwing block (71) is fixedly arranged at the outer end of the inserted rod (7).

8. A multi-specification rammer according to claim 7, wherein: the screwing block (71) is hexagonal.

9. A dynamic compaction machine, characterized in that it comprises a multi-specification rammer according to any one of claims 1 to 8.