A kind of power shovel for preventing clay
Technical field:
Excavator technical field is the utility model is related to, more particularly, to a kind of power shovel for preventing clay.
Background technology:
The operation process of power shovel is to cut soil with the bucket tooth of scraper bowl and soil is fitted into bucket, after scraper bowl is filled
Lifted, return back to and unload native position and carry out unloading soil, rear bucket of unstowing turns round and drop to excavation surface and excavated next time again.Excavate
The scraper bowl of machine is generally made up of biside plate and the strickle between biside plate, common to excavate because strickle is in the arc of bending
Mechanical shovel bucket can run into the problem of soil in scraper bowl is not frangible clean, therefore can extend the work of excavator when being unloaded for cutting the earth
Industry circulation time, while also reduce effective dipper capacity of scraper bowl.
Utility model content:
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of power shovel for preventing clay, it
Effectively the soil in scraper bowl can be unloaded totally, reduce the cycle time for working of excavator, and improve effective bucket of scraper bowl
Capacity.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of power shovel for preventing clay, built-in scraper bowl and external scraper bowl, the built-in scraper bowl and external scraper bowl shape
Into intermediate cavity in be provided with some springs, built-in scraper bowl is connected in external scraper bowl by spring floating, the built-in scraper bowl
Inside is provided with cam soil shaking body, and the built-in scraper bowl and external scraper bowl opening are provided with the sealing for preventing soil from entering intermediate cavity
Part.
The built-in scraper bowl includes strickle built in one piece and is fixed on the built-in side plate of the built-in strickle both sides, institute for a pair
Stating external scraper bowl includes one piece of external strickle corresponding with built-in strickle and is fixed on the outer of the external strickle both sides for a pair
Put side plate, it is described built-in to be fixedly connected with some springs between strickle and external strickle, between built-in side plate and external side plate;
A rectangular loop is fixed with the outer wall of the opening of the built-in scraper bowl.
The cam includes the drive shaft being hinged on two blocks of external side plates, and drive shaft passes through straight on side plate built in two pieces
Footpath is more than the via of the drive shaft diameter of axle, and array is fixed with some cams, the top of cam and drive shaft in the drive shaft
The distance between axis be more than the distance between axis of minimum point and drive shaft on built-in strickle, the cam is located at built-in
The inside of scraper bowl, the side of the drive shaft are provided with drive shaft drive mechanism.
The drive shaft drive mechanism includes being fixed on the drive gear of drive shaft side, and sliding tooth wheel and rack engages,
The back fixation of the rack is connected with guide part, and a right angle side plate of guide part and the guide holder of rectangular shape slides company
Connect, another right angle side plate of guide holder is fixedly connected with oil cylinder, and the piston rod of oil cylinder is fixedly connected with guide part, the guiding
Seat is fixed on the external side plate of side.
The seal is coated on the regular rubber ring in rectangular loop, and the outer wall gluing of the regular rubber ring is connected to
Clamping ring, clamping ring be fixed on external strickle, both sides external side plate on.
Rectangular channel is formed on the inwall of the regular rubber ring, rectangular channel is socketed in rectangular loop, the surrounding of rectangular loop
Flying height is left between outer wall and the surrounding inwall of rectangular channel.
Bobbing machine is fixedly connected with the outer wall of the arc section of the built-in strickle, bobbing machine is placed in the circular arc of external strickle
In groove.
Prominent effect of the present utility model is:Compared with prior art, it effectively can unload the soil in scraper bowl
Totally, the cycle time for working of excavator is reduced, and improves effective dipper capacity of scraper bowl.
Brief description of the drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cross section view of the present utility model;
Fig. 3 is Fig. 2 partial enlarged drawing.
Embodiment:
Embodiment, see as shown in Figure 1 to Figure 3, a kind of power shovel for preventing clay, built-in scraper bowl 1 and external scraper bowl
2, for the built-in scraper bowl 1 with being provided with some springs 3 in the intermediate cavity 100 of external scraper bowl 2 formation, built-in scraper bowl 1 passes through spring 3
For floating connection in external scraper bowl 2, the inside of the built-in scraper bowl 1 is provided with cam soil shaking body 4, the built-in He of scraper bowl 1
The external opening of scraper bowl 1 is provided with the seal 5 for preventing soil from entering intermediate cavity 100.
Furthermore, the built-in scraper bowl 1 includes strickle 11 built in one piece and is fixed on the built-in strickle for a pair
The built-in side plate 12 of 11 both sides, the external scraper bowl 2 include one piece of external strickle 21 corresponding with built-in strickle 11 and a pair
It is fixed on the external side plate 22 of the both sides of external strickle 21, built-in between strickle 11 and external strickle 21, the built-in side plate
Some springs 3 are fixedly connected between 12 and external side plate 22;
A rectangular loop 13 is fixed with the outer wall of the opening of the built-in scraper bowl 1.
Furthermore, the cam soil shaking body 4 includes the drive shaft 41 being hinged on two blocks of external side plates 22,
Drive shaft 41 is more than the via of the diameter of axle of drive shaft 41 through the diameter built in two pieces on side plate 12, and the drive shaft 41 is gone into battle
Row are fixed with some cams 42, and the distance between the top of cam 42 and the axis of drive shaft 41 L1 are more than on built-in strickle 11 most
Low spot is located at the inside of built-in scraper bowl 1 with the distance between the axis of drive shaft 41 L2, the cam 42, the drive shaft 41
Side is provided with drive shaft drive mechanism 6.
Furthermore, the drive shaft drive mechanism 6 includes being fixed on the drive gear 61 of the side of drive shaft 41, drives
Moving gear 61 engages with rack 62, and the back fixation of the rack 62 is connected with guide part 63, guide part 63 and rectangular shape
One right angle side plate of guide holder 64 is slidably connected, and another right angle side plate of guide holder 64 is fixedly connected with oil cylinder 65, oil cylinder
65 piston rod is fixedly connected with guide part 63, and the guide holder 64 is fixed on the external side plate 22 of side.
Furthermore, the seal 5 is coated on the regular rubber ring 51 in rectangular loop 13, the rectangle rubber
The outer wall gluing of cushion rubber 51 is connected to clamping ring 52, clamping ring 52 be fixed on external strickle 21, both sides external side plate 22 on.
Furthermore, rectangular channel 511 is formed on the inwall of the regular rubber ring 51, rectangular channel 511 is socketed in
In rectangular loop 13, flying height is left between the surrounding outer wall of rectangular loop 13 and the surrounding inwall of rectangular channel 511.
Furthermore, bobbing machine 7, bobbing machine 7 are fixedly connected with the outer wall of the arc section of the built-in strickle 11
It is placed in the arc groove of external strickle 21.
Operation principle:First, built-in scraper bowl 1 and external scraper bowl 2 are connected by spring 3, can make the 1 multidirectional skew of built-in scraper bowl
External scraper bowl 2, and spring 3 has shake, the function of resetting;Second, cam 41 is in the presence of through drive shaft drive mechanism 6, rotation
When turning, strickle 11 constantly built in beating, built-in scraper bowl 1 is produced skew by force and do not stop to shake;3rd, bobbing machine 7, which has, to be added
The function that strong built-in scraper bowl 1 is shaken.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, relevant technology neck
The those of ordinary skill in domain, in the case where not departing from spirit and scope of the present utility model, can also make a variety of changes and
Modification, therefore all equivalent technical schemes fall within category of the present utility model, scope of patent protection of the present utility model should
It is defined by the claims.