CN2217034Y

CN2217034Y - Strong tamping machine

Info

Publication number: CN2217034Y
Application number: CN 94223800
Authority: CN
Inventors: 杨宗润
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-10-20
Filing date: 1994-10-20
Publication date: 1996-01-10
Anticipated expiration: 2004-10-20

Abstract

The utility model relates to a strong tamping machine, belonging to a construction machine for foundation treatment, and comprising a lifting part, a shifting part and a supporting part. The utility model is characterized in that the supporting part is a rigid vertical framework which is inclined inward in a definite angle and comprises three upright posts 5, an upper cover 12 and a bottom board 4. Simultaneously the length of the upright posts 5 can be adjusted. The utility model has the advantages of eliminating the instable element caused by the supporting resilient force and conveniently carrying the operation of shifting and walking and overcomes the defect that the arm rod of a crane is used as a three-point form support, and the power part uses a windlass instead of a crawler crane, thus greatly reducing cost and constructing expenses. The safety is ensured, the efficiency is enhanced, and one machine has a plurality of functions.

Description

A kind of dynamic compaction machinery

The invention belongs to Foundation Treatment machinery.

Existing dynamic compaction machinery pattern is prepattern still, and its common ground all is to utilize a crawler crane to finish to promote hammer ram and be shifted, and difference mainly is bearing mode.A kind of form such as the disclosed scheme of Chinese patent CN2058187U dynamic compaction machinery, this scheme advantage is, the carrying of three fulcrums, good stability when ramming work, but during the displacement of rammer machine, lift by crane the armed lever walking, need lifting separately to move hammer, because armed lever and gooseneck boom beam consolidation, Gu Etouliang and Men Liang hinged place become the suspension centre of crane, this suspension centre has increased the span of a gooseneck boom beam than the radius of gyration of former machine suspension centre, at this moment, plays overhang-door beam action power, crane has been produced the bigger moment that leans forward, armed lever is produced a huge moment of flexure, and former armed lever is difficult to bear, and must make and strengthen armed lever.Strengthen weight that armed lever increases and gooseneck boom beam, pulley, suspender weight all at separately position of centre of gravity, crane is produced certain additional moment that leans forward, cause crane to have exceeding the quata turning round or surpass the trend of the load of tumbling, displacement brings great inconvenience to driver operation, especially when the rammer machine shifts another capable displacement, needs the tune of rammer machine to move hammer, meet the small size works area, thisly move upright increased frequency, efficiency of construction is fallen greatly, and this is a scarce limit that causes that stability is bad.Another kind of form, by fixed gooseneck boom on the armed lever, thereunder hinge is tied a both legs steel door frame scheme, this scheme walking stability is good, and shortcoming is that job stability is bad: during construction operation, for preventing the armed lever bounce, the back of the body rope of armed lever almost is in relaxed state, make almost all load by the supporting of door frame two columns, behind the lifting hammer ram, when one of them column meets backfill heatable adobe sleeping platform or local soft loosened soil ground, this column sink slowly, so that door frame tilts slowly, if there is not the emergence disconnecting measure, the driver often takes " put rope and throw away hammer ", to cause mechanical accident, if have little time to take any measure, the meeting car crash, consequence is serious.

Task of the present invention is to provide a kind of dynamic compaction machinery for the forced ramming reinforcing foundation construction operation, make it to have one stressed rationally, be adapted to the strong bearing support that rams, select typing equipment optimization dynamic compaction machinery commonly used in the engineering, so that strengthen construction stability and displacement conveniently, guarantee safety, improve work efficiency, reduce cost, and promote the dynamic compaction machinery typing.

Concrete scheme is: by lift portion, and displacing part, supporting part is formed.

Fig. 1, general assembly drawing; Fig. 2, base plate 4, A are to view;

Fig. 3, loam cake 12, B are to view; Fig. 4 base plate hinged C is to view;

Fig. 5, the hinged D of loam cake are to view; Fig. 6, amplification I; Fig. 7, amplification II;

Lift portion comprises hoist engine 3, tup 6, detacher 7, movable pulley 8, directive wheel 9, steel wire Rope 10, fixed pulley 11; Displacing part comprises: walking longitudinal rail 1, cross slide way 2 and phase The drive motors and the oil cylinder that close.

Supporting part comprises: 3～5 ° of introversions of difference and three isometric root posts 5, and with the end of its hinge knot Plate 4 and loam cake 12 (box combining structure) form a rigidity vertical frame jointly; Base plate 4 is Rectangle, hoist engine 3 are installed in base plate 4 by a certain side of minor face, and its scroll center line and rectangle are short Limit central lines, base plate 4 upper sides have three lower hinge knot axle beds 14, by lower hinge knot axle 18, Lower hinge knot pivot pin 19 is fixed on three root posts, 5 lower ends on the base plate 4, and three pin joints are positioned at together In one horizontal plane, 3 lines form an equilateral triangle; The axis phase of three lower hinge knot axles 18 Mutually parallel, a corresponding summit of equilateral triangle is positioned on the rectangular base plate 4 on the minor face center line A side relative with hoist engine 3, two other summit of equilateral triangle take this minor face center line as Symmetry, the axis of the lower hinge knot axle 18 on summit is vertical with minor face center line on the rectangular base plate 4 excessively; With The time take this equilateral triangle center of gravity O point as the garden heart, open one greater than tup 6 at base plate 4 The through hole of diameter; By the center of gravity O point of this equilateral triangle, and perpendicular to the vertical line of base plate 4 be Be the center line of rigidity vertical frame, be as the criterion with this center line, determine the leaning angle of column 5; Base plate 4 downsides have four tamping machine supporting legs 13 (oil cylinder), pass G on the base plate 4 with the machine gravity line Point is as the criterion, and is symmetrically to distribute; Base plate 4 is installed on the walking cross slide way 2, cross slide way 2 are installed on the longitudinal rail 1.

Loam cake 12 is box combining structure, profile is trigonometric expression, form by gripper shoe 21, top panel 24, lower panel 20 assembly weldings, respectively there is a hinge knot axle bed 17 at place, three angles on it, by last hinge knot axle 22, go up hinge knot pivot pin 23, three root posts, 5 upper ends are fixed thereon, go up pin joint for three and be located in the same horizontal plane, 3 lines are formed an equilateral triangle, and the axis of last hinge knot axle 22 is parallel with these leg-of-mutton corresponding sides respectively; On corresponding summit crossing equilateral triangle and vertical line perpendicular to its respective bottom edges, directive wheel axle bed 15 (being positioned at corresponding base one side) is arranged, with fixed pulley axle bed 16 (being positioned at triangle central authorities), simultaneously on this vertical line, be positioned at triangle central authorities and open a rope rectangular through-hole excessively, directive wheel 9, fixed pulley 11 are behind the installation in position, want to guarantee the center of gravity O ' point of Heave Here plumb line by above-mentioned equilateral triangle on the detacher 7, the central lines of while and rigidity vertical frame.

Every root post 5 is connected to form with latch structure by 2～6 joints, by increase and decrease middle tone pole, can regulate its length, rams the function level thereby regulate, and also can adopt flange dock structure to connect between each joint.

Advantage of the present invention is: can eliminate the destabilizing factor that the supporting bounce produces, be not supporting with the crawler crane armed lever, and only form independently rigid frame with three root posts, only bear compressive force, and the direction of power is along the column axle center, therefore, and the construction operation safety and stability.With regard to same energy level relatively, can dwindle the principal post cross dimensions greatly, save steel; Power section replaces crawler crane with a hoist engine and Hydraulic Elements stride rail mounted, and not only shifting function is flexible and cost greatly reduces; Can give full play to the hammer ability of putting forward, high level rams operation by force; Work is rammed in the seriation that helps forming different energy levels by force; Can also a tractor serves several purposes, combine just with vibrating impacter, deep mixer etc. and to use.

Embodiment: with the 10000KNm dynamic compaction machinery is example.

Lift portion: hoist engine 3 adopts the 100KN fast winch, has clutch and brake mechanism, tup 6 heavy 450KN, Φ 3m, cast steel; Detacher 7 has manpower emergence disconnecting performance; Wire rope 10 is driven by hoist engine 3, through directive wheel 9, fixed pulley 11, pass the rope through of loam cake 12, drives movable pulley 8, the 7 upper and lower operations of traction detacher, and after tup 6 was sling and broken off relations, (Φ 5m) landed by the through hole on the base plate 4.

Displacing part: adopt conventional hydraulic system element, wherein machine supporting leg 13 (every pressure-bearing 210KN) are rammed in 2, four oil cylinder effects of 1, two oil cylinder effect of two oil cylinder effect longitudinal rails cross slide way; For guaranteeing safety, bidirectional hydraulic lock and equalizing valve are housed in the oil circuit, for guaranteeing operating efficiency, adopt double pump parallel way fuel feeding.

Supporting part: three root posts 5 are square lattice steelframe, each long 27.5m, section 500 * 500mm ², form with the thick 8mm equal leg angle of 70mm assembly welding, three joint bolt-type combinations, the long 5m of a middle joint, inwardly the inclination angle is 3.5 °; Rectangular base plate 4 specifications are 10 * 8m ², thick 50mm, the equilateral triangle center of gravity O point that pin joint to three line of following hinge knot axle 18 is formed is apart from r _oBe 3.5m, machine gravity point G and O point are apart from l _oBe 1.6m; Loam cake 12, O ' of the equilateral triangle center of gravity that pin joint of hinge knot axle 22 to its 3 lines are formed on it is apart from r _o' be 1.68m, loam cake 12 total thicknesses are 160mm, gripper shoe 21 thick 22mm, lower panel 20 thick 6mm, top panel 24 thick 12mm.

The about 660KN of this dynamic compaction machinery gross weight, easy accessibility, in the job site assembling, construction finishes back disintegration shipment.

Claims

1. dynamic compaction machinery, by lift portion, displacing part, supporting part is formed; Lift portion comprises hoist engine (3), tup (6), detacher (7), movable pulley (8), directive wheel (9), wire rope (10), fixed pulley (11); Displacing part comprises: walking longitudinal rail (1), cross slide way (2) and relevant drive motors and oil cylinder; It is characterized in that: the supporting part structure is composed as follows:

A) 3～5 ° of introversions of difference and isometric three root posts (5) with the base plate (4) and the loam cake (12) of its hinge knot, are formed a rigidity vertical frame jointly;

B) base plate (4) is a rectangle, and hoist engine (3) is installed on it, is positioned at a certain side by the rectangle minor face, its winding up roller center line and rectangle minor face central lines; Base plate (4) upper side has three hinge knot axle beds (14) down, by hinge knot axle (18), following hinge knot pivot pin (19) are fixed on three root posts (5) lower end on the base plate (4) down, three pin joints are located in the same horizontal plane, and 3 lines are formed an equilateral triangle; Three axis that cut with scissors knot axle (18) down are parallel to each other, a corresponding summit of equilateral triangle is positioned at rectangular base plate (4) and goes up on the minor face center line, a side relative with hoist engine (3), two other summit of equilateral triangle is a symmetry with this minor face center line, and upward the minor face center line is vertical with rectangular base plate (4) for the axis of the following hinge knot axle (18) on summit excessively; Be the garden heart with this equilateral triangle center of gravity O point simultaneously, on base plate (4), open a through hole greater than the diameter of tup 6; By the center of gravity O point of this equilateral triangle, and be the center line of rigidity vertical frame, determine the leaning angle of column (5) with this center line perpendicular to the vertical line of base plate 4; Base plate (4) downside is equipped with four rammer machine supporting legs (13) (oil cylinder), and the G point that passes on the base plate (4) with the machine gravity line is as the criterion, and is symmetrically to distribute;

C) base plate (4) is installed on the walking cross slide way (2), and cross slide way (2) is installed on the longitudinal rail (1);

D) loam cake (12) is box combining structure, profile is triangular in shape, by gripper shoe (21), top panel (24), lower panel (20) assembly welding form, and its place, three angles respectively has one to go up hinge knot axle bed (17), tie axle (22), go up hinge knot pivot pin (23) by last hinge, three root posts (5) upper end is fixed thereon, three pin joints are located in the same horizontal plane, and 3 lines are formed an equilateral triangle, and the axis of last hinge knot axle (22) is parallel with these leg-of-mutton corresponding sides respectively; Crossing on this leg-of-mutton corresponding summit and the vertical line perpendicular to its respective bottom edges, directive wheel axle bed (15) (being positioned at corresponding base one side) is arranged, with fixed pulley axle bed (16) (being positioned at this triangle central authorities), on this vertical line, be positioned at simultaneously triangle central authorities and open a rope rectangular through-hole excessively, directive wheel (9), fixed pulley (11), behind the installation in position, want to guarantee the center of gravity O ' point of Heave Here plumb line by above-mentioned equilateral triangle on the detacher (7), the central lines of while and rigidity vertical frame.

2. according to the described dynamic compaction machinery of claim 1, it is characterized in that: every root post (5) is connected to form with latch structure by 2～6 joints, by increasing, subtract the middle tone pole, can regulate its length, rams the function level thereby regulate; Also can adopt flange dock structure to connect between each joint.