CN2371228Y

CN2371228Y - Bidirectional vibration compactor

Info

Publication number: CN2371228Y
Application number: CN 99220724
Authority: CN
Inventors: 宫本辉; 崔东升
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-04-30
Filing date: 1999-04-30
Publication date: 2000-03-29
Anticipated expiration: 2009-04-30

Abstract

The utility model relates to a bidirectional vibration compactor. The axial directions of eccentric blocks which are respectively arranged on a driving shaft and a driven shaft of the utility model forms a sector shape. The sector shape is of angle which is less than 180 DEG. The driven shaft is made into a hollow shape. A handrail is arranged on a frame. The utility model has the advantages of large exciting vibration force, high compaction degree, high work efficiency, low failure, stable and reliable performance and convenient operation. The utility model can be applied to ramming a ground.

Description

The direction vibration rammer compacter

The utility model relates to a kind of engineering mechanical device, is a kind of direction vibration rammer compacter to ground compacting usefulness specifically.

Electronic frog hammer of existing product and unidirectional dull and stereotyped rammer compacter, because heavy, can only one-way only operation, and exciting force is little, can't satisfy construction requirement, is eliminated.At present, the direction vibration rammer compacter of producing, generally by internal combustion engine, clutch, belt pulley, feed belt, vibrating bin, frame, handrail, base plate be contained in travelling gear in the vibrating bin, driving shaft, driven shaft, break-in operating mechanism etc. and form, eccentric block is housed respectively on driving shaft and the driven shaft.Internal combustion engine with transmission of power give driving shaft in the vibrating bin, driven shaft and on eccentric block, make it constant speed rotation simultaneously, two eccentric blocks produce centrifugal force, drive base plate and beat (vibration), and ground is tamped.Compacting interior among a small circle, tang that this rammer compacter is fit to, but have the following disadvantages: the wobbler shaft on (1), driving shaft and the driven shaft is fixed on the axle to being semicircle shape (180 °), and eccentric block weight is big like this, and the centrifugal force of generation is little.(2), vibrating rammer will realize that the twocouese compacting is to promote shifting block by the boss on two bearing supports that support driven gear, boss on bearing support promotes shifting block, shifting block drives driven shaft and eccentric block rotates an angle, and realization rammer machine is changed direction.When the shifting block section of having stroke when a bearing support moves to another bearing support, driven shaft and eccentric block short time pause, and when engaging with another bearing support boss suddenly, the impact damage parts just occur, thereby fault are many.Exciting force requires bigger, and impact is bigger, and parts are impaired more serious.So this structure can not be used on the bigger vibrating rammer of exciting force.(3), the handrail of control rammer compacter direction is connected on the fender bracket, it is vertical with direction of vibration, it is longer to add handrail, thereby the operator feels to vibrate uncomfortable feeling is arranged when work.

The purpose of this utility model is exactly in order to overcome above-mentioned the deficiencies in the prior art, provides a kind of structure rationally, and exciting force is big, work efficiency is high, fault is few, stable and reliable for performance, the direction vibration rammer compacter being convenient to operate.

For achieving the above object, the wobbler shaft that installs respectively on driving shaft and the driven shaft is to the covering of the fan shape that is less than 180 °; Driven shaft is a hollow shape; Handrail is installed on the frame, makes handrail not on the vertical plane of direction of vibration.Hollow shape driven shaft one end has screw-casing with bolt, and screw-casing is provided with helicla flute.In the hollow shape driven shaft shifting axle is housed, the square toes of shifting axle one end pass the middle square hole of square hole lid, the square hole lid links together with bolt with driven gear, driven gear is contained in the outer of a double bearing and puts, the shifting axle other end passes the screw-casing interstitial hole, round pin is housed on the shifting axle, and round pin pierces into the helicla flute on the screw-casing.The break-in operating mechanism is equipped with in another termination of shifting axle, and it is the shift fork that is connected with bearing support by bearing support, and the rocking arm that is connected with shift fork is formed.Cover one spring on the shifting axle, spring one end is located in square hole and covers, and the other end is located with the spring flange that is fixed on the shifting axle.

The wobbler shaft of driving shaft of the present utility model and driven shaft is to the covering of the fan shape that has adopted less than 180 °, and the centrifugal force that produces than the eccentric block of original identical weight increases, thereby exciting force increases; Degree of compaction is improved, and the compacting pass reduces, and has improved work efficiency like this.Because driven shaft is a hollow shape, in shifting axle is housed, drive the left and right motion of shifting axle by handling the break-in operating mechanism, and changed on the driven shaft centrifugal with driving shaft on centrifugal relative position, make rammer compacter change the direction of motion, rammer compacter can not produce the phenomenon that driven shaft pauses suddenly when break-in like this, has overcome the problem because of parts impact damage parts yet.Handrail of the present utility model is connected on the frame, makes handrail not on the vertical plane of direction of vibration, and having reduced the operator has uncomfortable feeling because of ramming machine vibration.

Below in conjunction with accompanying drawing the utility model is described further.

Fig. 1 is a structural representation of the present utility model.Internal combustion engine 1, clutch 2, feed belt 3, pulley disc 4, bearing support 5, shift fork 6, rocking arm 7, screw-casing 8, helicla flute 9, vibrating bin 10, spring flange 11, spring 12, shifting axle 13, square hole lid 14, hollow shape driven shaft 15, driven shaft eccentric block 16, driven gear 17, driving gear 18, driving shaft 19, driving shaft eccentric block 20.

Fig. 2 is the axial schematic diagram on the eccentric block fixed axis.

Fig. 3 is the structural representation that handrail is housed, handrail 21, rubber damping piece 22, base plate 23, frame 24, fender bracket 25.

As can be seen from Figure 3, the direction vibration rammer compacter, it is made up of internal combustion engine 1, clutch 2, feed belt 3, belt pulley 4, vibrating bin 10, handrail 21, rubber damping piece 22, base plate 23, frame 24.Fig. 2 as can be seen, vibrating bin 10 is equipped with driving shaft 19 and hollow shape driven shaft 15, and two double-row bearings of driving shaft 19 usefulness are fixed on the vibrating bin 10, and an end is connected with belt pulley 4, the other end is equipped with driving gear 18, and it is 120 ° driving shaft eccentric block 20 that center fixed has axial clamp angle as shown in Figure 3.Two double-row bearings of hollow shape driven shaft 15 usefulness are fixed on the vibrating bin 10, and it is 120 ° driven shaft eccentric block 16 that center fixed has axial clamp angle as shown in Figure 3; One end and screw-casing 8 are used bolt; Other end spindle nose is inserted in cover in another double-row bearing, and double-row bearing puts driven gear 17 outward.Shifting axle 13 is housed in the hollow shape driven shaft 15, and the hole that shifting axle 13 1 ends pass in the middle of the screw-casing 8 is connected with the break-in operating mechanism; A shifting axle 13 and a round pin are fixed with screw thread, and round pin penetrates in the helicla flute 9 on the spiral 8; Shifting axle 13 other ends are square, penetrate in the square hole of square hole lid 14, and square hole lid 14 links together with driven gear 17 usefulness bolts; Spring 12 is housed on the shifting axle 13, one end is located on the square hole lid 14, the other end is fixed on spring flange 11 location on the shifting axle 13, the effect of spring 12 is to help to promote shifting axle 13, the break-in operating mechanism is by the bearing support 5 that is contained in 13 1 of shifting axles, the shift fork 6 that bearing support 5 connects, the rocking arm 7 that shift fork 6 connects is formed, and rocking arm 7 is contained on the vibrating bin 10.Handrail 21 as shown in Figure 3 is contained on the frame 24 by rubber damping piece 22, and makes handrail 21 and rammer compacter direction of vibration that 25 ° angle be arranged.

During the utility model work, internal combustion engine 1 sends power to driving shaft 19, round pin, screw-casing 8 on driving gear 18, driven gear 17, square hole lid 14, shifting axle 13, shifting axle 13 send hollow shape driven shaft 15 to, make driving shaft eccentric block 20 and driven shaft eccentric block 16 on driving shaft 19 and the hollow shape driven shaft 15 rotate generation centrifugal force, make rammer compacter vibration work.When rammer compacter needs break-in work, move the rocking arm 7 of break-in operating mechanism, through shift fork 6 shifting shaft bearings 5, make shifting axle 13 left and right moving, round pin on the shifting axle 13 moves along helicla flute 9, rotate an angle and drive hollow shape driven shaft 15, the relative position of driven shaft eccentric block 16 and driving shaft eccentric block 20 on the hollow shape driven shaft 15 is changed, the resultant direction of two eccentric block centrifugal force is changed and the rammer compacter direction of motion is changed.

Claims

1, a kind of direction vibration rammer compacter, it is by internal combustion engine, clutch, belt pulley, feed belt, vibrating bin, frame, handrail, base plate and be contained on travelling gear, driving shaft, driven shaft, break-in operating mechanism and driving shaft and the driven shaft in the vibrating bin respectively the eccentric block of device etc. and form, and it is characterized in that:

(1), the wobbler shaft that installs respectively on driving shaft and the driven shaft is to the covering of the fan shape that is less than 180 °;

(2), driven shaft is a hollow shape;

(3), handrail is installed on the frame.

2, direction vibration rammer compacter as claimed in claim 1 is characterized in that said hollow shape driven shaft one end has screw-casing with bolt, and screw-casing is provided with helicla flute.

3, direction vibration rammer compacter as claimed in claim 1, it is characterized in that in the said hollow shape driven shaft shifting axle being housed, the square toes of shifting axle one end pass the interstitial hole of square hole lid, the square hole lid is connected with bolt with driven gear, driven gear is contained in outer the putting of a double axle, the shifting axle other end passes the screw-casing interstitial hole, and round pin is housed on the shifting axle, and round pin pierces into the helicla flute on the screw-casing.

4, direction vibration rammer compacter as claimed in claim 3 is characterized in that the break-in operating mechanism is equipped with in another termination of said shifting axle, and it is the shift fork that is connected with bearing support by bearing support, and the rocking arm that is connected with shift fork is formed.

5, direction vibration rammer compacter as claimed in claim 3 is characterized in that cover one spring on the said shifting axle, and spring one end is located in square hole and covers, and the other end is located with the spring flange that is fixed on the shifting axle.