CN1039441C - Jolt oscillating rammer for building - Google Patents

Abstract

The present invention relates to a vibration and oscillation building tamper for compacting soil, sand stones, roadbeds or road surfaces, which comprises a power device, a bottom seat of the power device, a middle transmission mechanism, a main tamping body, an auxiliary tamping plate, a regulating handle, a vibration oscillator and a roller compacting mechanism, wherein the power device is elastically connected to the main tamping body, and the vibration oscillator is fixed to the main tamping body through a press ring. An inner eccentric shaft and an outer eccentric shaft of the vibration oscillator are arranged on the same axis through a bearing, and a casing, two structures forming an eccentric block shape and a supporting and installing point are all symmetric to an A-A plane, so exciting force is concentrated. The roller compacting mechanism can make the auxiliary tamping plate rise and disengage from the ground, and the contact area of the tamper to the ground is changed, so the positive pressure of the tamper to the ground is adjusted to reach the effect of optimal tamping.

Description

Jolt oscillating rammer for building

The present invention relates to a kind of building foundation or similar engineering ballast consolidating machine, particularly adopt vibration or oscillation method to tamp the ballast consolidating machine of all kinds of earth foundations or sandstone basis or top course.

The small-sized rammer compacter that is used for the building foundation compacting at present mainly contains breast-stroke battering ram and vibratory plate compactor.Vibration compacting technology has appearred in the eighties, drives two eccentric shafts with a power transmission shaft, and the phase angle of two eccentric shafts differs 180 degree.As U.S. Pat 4145156 vibratory plate compactors, it is made up of a base plate, a vibrating body and power set, vibrating body is installed on the base plate rigidly, and drive by power set, and power set are resiliently mounted on the base plate, and its vibrating body contains two and is installed in mutually despun eccentric weight on the same axle.U.S. Pat 3814533 is used for the rammer compacter that soil and similar material have improved vibrator, its vibrator comprises a pair of different radii that is in same axis, center on the eccentric weight of this axis rotation again, promptly an eccentric weight and a bevel gear are tightly joined with driving shaft, and another eccentric weight and the bevel gear that is fixed together with it also can freely center on the driving shaft rotation.

There is following shortcoming in their structure:

(1) vibrating shaft, eccentric weight structure design is asymmetric, and exciting force is not concentrated, and efficient is low.

(2) under the certain condition of exciting force, the normal pressure of ramming base plate can not change.

(3) under the certain condition of rotating speed, exciting force is non-adjustable.

(4) structure of vibrating body (device) only can produce difference and cut vibration, and can not produce concentrated single vibration, makes its scope of application little.

Chinese patent CN1075996A multifunction vibration rammer compacter, it comprises rams frame, vibro-rammer body and motor, and wherein the vibro-rammer body mainly constitutes one or eight leaf spring vibrating bodies by eccentric block, vibrating mass, rammer main box, hyperbolic axle, drive plate spring and vibrating plate spring etc.Ram frame and be the shape of a hoof, a vibro-rammer body respectively is equipped with in both sides.During operation, the vibro-rammer body is inwardly extruding simultaneously from both sides, and i.e. level compacting is banketed at place, compacting pipeline cavity armpit angle.It is specifically designed to the earth filling tamping at place, underground pipeline cavity armpit angle.Its shortcoming is the compacting that can not do perpendicular to ground, promptly can not be to the compacting of all kinds of earth foundations or sandstone basis or top course.

The objective of the invention is to design a kind of two kinds of functions of vibration and oscillation that have, be used for the jolt oscillating rammer for building of all kinds of earth foundations or sandstone basis or top course compacting.

The present invention realizes like this, on the basis of existing flat rammer, design a vibration and oscillation device and replace eccentric weight, it is mainly by inside and outside eccentric shaft, transmission cone pinion, large bevel gear, bearing, dustproof Pulley shaft and belt pulley are formed, and belt pulley drives dustproof Pulley shaft and outer eccentric shaft rotation, and outer eccentric shaft is by the transmission cone pinion, large bevel gear drives the inner eccentric shaft reverse rotation, the centrifugal alternation exciting force of making a concerted effort to constitute a certain section that two eccentric shafts produce.Simultaneously, set up an auxiliary tamping plate and a roller hold-down mechanism at the main rammer body rear portion.Auxiliary tamping plate is installed on the main rammer body by hinge, it rotates around hinge, the roller hold-down mechanism mainly is made up of handle, leading screw, nut sleeve, frame, axle, roll extrusion wheel shaft and rolling wheel, shake handle and make the leading screw rotation, driving nut sleeve moves along leading screw, roller is descended or rise, and can make auxiliary tamping plate depress or lift.

Below in conjunction with accompanying drawing the present invention is further described.

Fig. 1, embodiment of the invention schematic perspective view.

Fig. 2, structural representation of the present invention.

Fig. 3, vibration and oscillation device structural representation.

Fig. 4, vibration and oscillation device profile front view.

Fig. 5, auxiliary tamping plate and roller hold-down mechanism schematic diagram.

Fig. 6, front of the present invention (part) schematic diagram.

Referring to Fig. 1, the present invention is a kind of jolt oscillating rammer for building, comprise power set 1, power set base 2, guardrail 3, handrail 4, intermediate transmission mechanism 5, spring 6 and main rammer body 7, it is characterized in that also being provided with auxiliary tamping plate 8, vibration and oscillation device 9, regulating handle 10 and roller hold-down mechanism 11, power set 1 by bolton on power set base 2, between power set base 2 and the main rammer body 7 by upper and lowerly respectively be provided with four springs 6 and bolt at power set base 2, nut is connected into elasticity mutually and connects, and spring cup cover 34 all is installed at the two ends of spring 6; Referring to Fig. 2, the belt pulley 22-1 of power set 1 output links to each other with the input belt pulley 22-2 of intermediate transmission mechanism by belt, and the output belt pulley 22-3 of intermediate transmission mechanism links to each other with the belt pulley 22-4 of vibration and oscillation device; Referring to Fig. 5,6, vibration and oscillation device 9 is installed on the main rammer body 7 by pressure ring 12, and can move regulating handle 10 it is turned an angle in pressure ring 12; Referring to Fig. 5, roller hold-down mechanism 11 is installed in the rear portion of main rammer body 7; Referring to Fig. 2, Fig. 5, auxiliary tamping plate 8 joins by the horizontal tamping plate 14 of hinge 13 with main rammer body 7.Power set comprise motor and centrifugal clutch.

Referring to Fig. 5, roller hold-down mechanism 11 mainly is made up of handle 15, leading screw 16, nut sleeve 17, frame 18, axle 19, roll extrusion wheel shaft 20 and rolling wheel 21, and frame 18 is installed on the main rammer body 7 by axle 19, and frame 18 both sides also are welded with pressing plate 32; Nut sleeve 17 is installed in frame 18 upper ends, and leading screw 16 1 ends are placed in the nut sleeve 17, and the other end passes cross axle sleeve 33, and is axially fixed, and handle 15 links to each other with leading screw 16; Roll extrusion wheel shaft 20 horizontal are in frame 18 lower ends, and roll extrusion wheel shaft 20 can move in frame 18.

Shake handle 15 and make leading screw 16 rotation, drive nut sleeve 17 and move along leading screw, nut sleeve drives frame 18 and rotates around axle 19.When handle turned clockwise, the pressing plate 32 that is fixed on the frame 18 rose, and drove auxiliary tamping plate 8 and rotated and rise around hinge 13, and built on stilts, whole rammer and ground contact surface diminish, and make to ram the normal pressure increase; Simultaneously, drop to ground with rolling wheel 21 at the roll extrusion wheel shaft 20 of the frame other end and to contact (being that rolling wheel lands), rolling wheel supports and rams body; If make rolling wheel continue to reduce to horizontal tamping plate 14 times, just can conveniently ram the body transportation.When the rotation of handle inhour, then opposite, make horizontal tamping plate 14 of main rammer body and auxiliary tamping plate 8 integrators, it is big that the contact area on whole rammer and ground becomes, and the rammer normal pressure is diminished.

Referring to Fig. 3, Fig. 4, vibration and oscillation device 9 is mainly by belt pulley 22-4, outer eccentric shaft 23, inner eccentric shaft 24, transmission cone pinion 25, large bevel gear 26,26-1, casing 27, big bearing 28, little bearing 29 and dustproof Pulley shaft 31 are formed, belt pulley 22-4 is connected with dustproof Pulley shaft 31, dustproof Pulley shaft 31 joins by the end of bolt 35 with outer eccentric shaft 23, the other end of outer eccentric shaft 23 is connected with large bevel gear 26-1 by bolt 36, and large bevel gear 26-1 is by transmission cone pinion 25, large bevel gear 26, key 37 drives inner eccentric shaft 24 reverse rotations; Bearing support 30 is established in casing 27 inboards, and a pair of big bearing 28 is installed above, and big bearing 28 inner support outer eccentric shafts 23 are provided with little bearing 29 between outer eccentric shaft 23 and the inner eccentric shaft 24, support inner eccentric shaft 24.

Among the embodiment, see Fig. 3, Fig. 4, belt pulley 22-4 is equipped with on casing 27 right sides, a bevel gear housing 38 is equipped with in the left side, and its forward and backward and left side is equipped with bevel gear location flap 39 and 39-1, and cone pinion is packed into from forward and backward, buckle bevel gear location flap 39, be tightened with bolt; Large bevel gear is packed into from the left side, buckles bevel gear location flap 39-1, is tightened with bolt.

The characteristics of this vibration oscillator are that inner eccentric shaft and outer eccentric shaft are installed on the same axis by bearing, and housing, two eccentric block shape and structures, support mounting points all are symmetrical in the A-A plane, and exciting force is concentrated.When dustproof Pulley shaft drives the outer eccentric shaft rotation, drive the inner eccentric shaft opposite spin by the transmission bevel gear simultaneously, at this moment the just in time alternately appearance on the both direction on a plane of making a concerted effort of centrifugal force on inner eccentric shaft and the outer eccentric shaft is promptly rammed body and is in oscillatory regime.The angle of this plane and horizontal tamping plate is determined by regulating handle, changes the speed of travel and direct of travel to realize the power of vertical on the vibration and oscillation device controlling level tamping plate, to reach.

When changing inside and outside eccentric shaft rotating manner, large bevel gear 26 is changed into no umbrella tooth spline housing, because the gear hole of large bevel gear 26-1 is an internal spline, at this moment, no umbrella tooth spline housing can insert and lock large bevel gear 26-1, inside and outside eccentric shaft is rotation synchronously in the same way, and the centrifugal force direction of inside and outside eccentric shaft is the same with traditional Centrifugal vibration mode, is in pure vibrational state.If two eccentric blocks adjusting inside and outside eccentric shaft can change the size of exciting force again in the angle of arbitrary setting.

By above-mentioned introduction, this building tamper can make the rammer body be in oscillatory regime, also can be from being in vibrational state, so be referred to as jolt oscillating rammer for building.

Referring to Fig. 1, between power set base 2 and the main rammer body 7 by power set base 2 upper and lowerly respectively be provided with four springs 6 and bolt, nut is connected into elasticity mutually and connects, spring cup cover 34 wherein all is installed at spring 6 two ends that are provided with, like this, constituted the variable force spring, this structure helps the power set vibration damping, more helps adjusting the amplitude of rammer.

The advantage of jolt oscillating rammer for building of the present invention:

(1) have two kinds of functions of vibration and oscillation, the vibrator structure design is all symmetrical with installation, therefore swashs The power of shaking is concentrated, efficient is high.

(2) can reduce to ram base plate and contact area of ground, increase the normal pressure of ramming base plate.

(3) by changing inside and outside eccentric block relative position, make exciting force adjustable.

(4) can in a big way, adjust the amplitude that rams by speed governing, accent exciting force and adjustment variable force spring.

This jolt oscillating rammer for building is applicable to building foundation or similar engineering, and basis, road surface are tamped.

Claims (3)

1, a kind of jolt oscillating rammer for building, comprise power set (1), power set base (2), guardrail (3), handrail (4), intermediate transmission mechanism (5), spring (6) and main rammer body (7), it is characterized in that also being provided with auxiliary tamping plate 8, vibration and oscillation device (9), regulating handle (10) and roller hold-down mechanism (11), power set (1) by bolton on power set base (2), pass through on power set base 2 between power set base (2) and the main rammer body (7), respectively be provided with four springs (6) and bolt down, nut is connected into elasticity mutually and connects, and at the two ends of spring (6) spring cup cover (34) is installed all; The belt pulley (22-1) of power set (1) output links to each other with the input belt pulley (22-2) of intermediate transmission mechanism by belt, and the output belt pulley (22-3) of intermediate transmission mechanism links to each other with the belt pulley (22-4) of vibration and oscillation device; Vibration and oscillation device (9) is installed on the main rammer body (7) by pressure ring (12), and can move regulating handle (10) it is turned an angle in pressure ring (12); Roller hold-down mechanism (11) is installed in the rear portion of main rammer body (7); Auxiliary tamping plate (8) joins by the horizontal tamping plate (14) of hinge (13) with main rammer body (7).

2, by the described jolt oscillating rammer for building of claim 1, it is characterized in that roller hold-down mechanism (11) comprises handle (15), leading screw (16), nut sleeve (17), frame (18), axle (19), roll extrusion wheel shaft (20) and rolling wheel (21) composition, frame (18) is installed on the main rammer body (7) by axle (19), and frame (18) both sides also are welded with pressing plate (32); Nut sleeve (17) is installed in frame (18) upper end, and leading screw (16) one ends are placed in the nut sleeve (17), and the other end passes cross axle sleeve (33), and is axially fixed, and handle (15) links to each other with leading screw (16); Roll extrusion wheel shaft (20) horizontal is in frame (18) lower end, and roll extrusion wheel shaft (20) can move in frame (18).

3, by the described jolt oscillating rammer for building of claim 1, it is characterized in that vibration and oscillation device (9), comprise belt pulley (22-4), outer eccentric shaft (23), inner eccentric shaft (24), transmission cone pinion (25), large bevel gear (26), (26-1), casing (27), big bearing (28), little bearing (29) and dustproof Pulley shaft (31) are formed, belt pulley (22-4) is connected with dustproof Pulley shaft (31), dustproof Pulley shaft (31) joins by the end of bolt (35) with outer eccentric shaft (23), the other end of outer eccentric shaft (23) is connected with large bevel gear (26-1) by bolt (36), and large bevel gear (26-1) is by transmission cone pinion (25), large bevel gear (26), key (37) drives inner eccentric shaft (24) reverse rotation; Bearing support (30) is established in casing (27) inboard, and a pair of big bearing (28) is installed above, and big bearing (28) inner support outer eccentric shaft (23) is provided with little bearing (29) between outer eccentric shaft (23) and the inner eccentric shaft (24), supports inner eccentric shaft (24).

Images