CN2271182Y - Bulldozing and ripping device - Google Patents

Abstract

The utility model discloses a bulldozing and ripping device for crawler bulldozers. The utility model is characterized in that according to the characteristics and the performance requirements of soil dozing and soil loosing, using the soil resistance direction changing, selecting proper penetrating angle of the soil loosing teeth, the back of the existing rigid or fixed dozer (1) is additionally provided with a plurality of groups of follow-up type soil loosing tooth rods (2), and thereby, a novel soil dozing and loosing device is formed. The utility model realize soil dozing along with the running of the host machine, realize the soil loosing along with the running of the host machine, and increase the work efficiency. The utility model has the advantages of simple structure, easy assembly and disassembly, reduced weight and reduced cost.

Description

Push away loose device

The utility model belongs to engineering machinery field, and what relate generally to is that a kind of caterpillar tractor is with pushing away loose device.

As everyone knows, bulldozer is a machinery commonly used in the earth and rock works, it is when the soil-shifting operation, when running into the various hard soil that harden, material small stone ground (conglomerate adds yellow clay), frozen soil or need road surface that fragmentation reprocess, often directly push away with dozer, dozer is difficult to bury, can't operation thereby cause, at this moment just need be with ridge buster elder generation loose soil, and then push away with dozer, form and dredge the work flow that one deck soil pushes away one deck soil.Though ridge buster does not often use in construction operation, it is absolutely necessary as the supporting facility of bulldozer on special ground.At present, the caterpillar tractor of the various outfit ridge busters of producing all is the front end that bulldozing device is arranged on tractor both at home and abroad, and the device that loosens the soil is arranged on the rear end of tractor.Because this two covering device all is hydraulic operated, with regard to whole machinery, the hydraulic oil pump in main frame power and hydraulic system, hydraulic oil container were shared, other was in order to realize two kinds of functions, and the two kinds of devices in front and back are fully independently.Be bulldozing device by dozer, oil cylinder, fluid pressure line and handle distributor (control valve) that the lifting of dozer oil cylinder uses and formation such as pipeline is loosened the soil device by manipulation is cut down, fluid pressure line, rear hitch oil cylinder and ridge buster constitute the device that loosens the soil.Thisly postpone loose structure before traditional, there is following problem: (1), dozer insufficiency of function: because bulldozer is in construction operation, regular, a large amount of is the operation of bulldozing, and ridge buster only is in order to replenish the requisite auxiliary equipment of dozer insufficiency of function, bulldozer can be used as commodity selling, the outfit ridge buster that has, what have does not wear ridge buster.(2), loosen the soil apparatus structure complexity, cost height: as previously mentioned, the device that loosens the soil only is to remedy the auxiliary equipment of dozer at special location insufficiency of function, in order to be equipped with the device that loosens the soil, its same requirement has the independent hydraulicefficiency elevation structure of a cover, add ridge buster support connecting piece and the bar tooth etc. that loosens the soil, overall structure is quite complicated, and price is also very high, and its complete set is loosened the soil apparatus system no better than even surpass the price of bulldozing device system.The price of crawler tractor of loosening the soil after bulldozing before---70T bulldozer and Dongfanghong---70TS with Dongfanghong is compared, the device whole system of loosening the soil than bulldozing device whole system price exceed about 50%.In addition, bulldozer is when routine work, the device that loosens the soil though be of little use, the parts that should not dismantle in the system of loosening the soil that does not participate in operation that back is heavier but have in its rear portion (generally only can dismantle down loosen the soil ratch and connecting rod), this says that having increased bulldozer rear portion machine weighs, and is very unfavorable to the soil-shifting operation.(3), idle stroke is too many, time availability is low: bulldozer all is that direction of advance is bulldozed and loosened the soil when operation, in order to carry out operation, the less important slow astern that whenever advances is idle stroke and retreat, and can not make effective merit.The operating environment of bulldozing again after need loosening the soil, acting (soil-shifting) only accounts for the 20-30% of entire job time effective time.(4), there is the relatively poor deficiency of strength and stiffness in existing rigidity dozer.

The purpose of this utility model is promptly to produce thus, propose that a kind of structure design is simple, the cost cost is low, in light weight, ridge buster convenient disassembly, collection are bulldozed, the two kinds of functions of loosening the soil are the loose device of pushing away of one, form the work flow that bulldozer is bulldozed, loosened the soil when retreating when advancing, and the rigidity structure of dozer is strengthened.

For achieving the above object, the utility model is achieved through the following technical solutions, it is at the existing dozer moldboard back side stiffener to be set, and the welding position between shovel arm and perching knife reinforces with section bar, the tine bearing is fixed on the stiffener at the perching knife back side, the ratch that loosens the soil is suspended on the dozer by the tine bearing, and the direction of burying of loosen the soil ratch and dozer is rightabout and places.

The utility model reasonable in design, because it is according to bulldozing and loosen the soil two kinds of operating features and performance requirement, utilize the soil resistance direction to change, select suitable tine penetrating angle, install several groups of Follow-ups ratch that loosens the soil additional at the dozer back side, thus constitute bulldoze, the novel of soil-loosening function unification push away loose device, realized the work flow of bulldozing when main frame advances, loosening the soil when retreating, improve operating efficiency greatly, satisfied similar the soil-shifting before having and requirement that the back hangs the device tractor that loosens the soil.And when operation, bulldoze, the mutually noninterfere of loosening the soil.Postpone loose technical deficiency before having overcome existing bulldozer.Device has omitted independent hydraulic control system and suspension owing to loosen the soil, thereby makes ridge buster simple in structure, and the cost cost greatly reduces, and dismounting is very easy, and machine heavily alleviates.Simultaneously, experiment showed, this novel loose device that pushes away, as independent bulldozing device than former Dongfanghong---70T bulldozing device performance is also quite a lot of, because improved some not enough phenomenon of former bulldozing device strength and stiffness.And say as the ridge buster function, pine soil depth can reach former " Dongfanghong---70TS " 210mm pine soil depth, equally also be three tines, but operating efficiency is than Dongfanghong---70TS can improve 40-60%, structure is simplified greatly, and cost is a Dongfanghong---the last bulldozing device of the 70TS system and 40% of the apparatus system total price of loosening the soil.

The utility model has following accompanying drawing.

Accompanying drawing 1 is the utility model structural representation (A-A analyses and observe).

Accompanying drawing 2 is the utility model structural representation (vertical view).

In conjunction with the accompanying drawings, it is as follows to provide embodiment of the present utility model:

As shown in the figure: present embodiment is on the basis of existing " Dongfanghong---70T " rigidity dozer (or fixed dozer), for strengthening its stiffness and intensity, and Teng goes out the locus, redesigned stiffener at the moldboard back side, and the welding position between shovel arm and the perching knife is reinforced with section bar.Ridge buster bearing 3 is fixedly connected on the stiffener at dozer 1 back side, and ridge buster bearing 3 can be provided with many groups according to the perching knife back side and with the position of main frame head and dull space, and present embodiment is three groups, is distributed between the left and right sides perching knife cylinder support 8.The ratch 2 that loosens the soil connects with tine bearing 3 by attachment pegs 4, and the ratch 2 that loosens the soil is the Follow-up structure with dozer 1, and the direction of burying of its bury direction and dozer is rightabout and places.On dozer 1, also be provided with supporting iron 5, pin rationed marketing 6 and limited block 7.The course of work of present embodiment is as follows: when loosening the soil, be in raised position pushing away loose device, at this moment because the ratch 2 that loosens the soil is eccentric parts, therefore itself produces an eccentric weight moment from recoiling attachment pegs 4, the ratch 2 that loosens the soil is affixed on the supporting iron 5, on with former machine hydraulic pressure distribute cut down manipulation by main frame on two bulldozer oil cylinders, make when pushing away crown that loose device drops to the ratch that loosens the soil and contacting (at this moment tractor has begun to retreat) with ground, the soil friction resistance that produces more makes the ratch that loosens the soil be close to supporting iron 5 naturally, the ratch that then loosens the soil buries, by the forced landing of bulldozer oil cylinder, when dropping to certain depth, (perching knife maintains a certain distance apart from ground), the driver cuts down distribution (device) handgrip and moves the floating position to and get final product.Loosen the soil ratch 2 since the effect of the resistance that loosens the soil tightly be bearing in all the time on the supporting iron 5, and ratch 2 tops of loosening the soil are bearing on the tine bearing 3 by attachment pegs 4, naturally liptinite of formation.When bulldozing when advancing, to B1 is pushed the whole ratch 2 that loosens the soil by position B automatically by the soil friction resistance in the next top of the ratch 2 that loosens the soil, and the ratch 2 that promptly loosens the soil is pulled and advances.When advance to retreat or opposite process in, or when on yard, shifting work plane, push away loose device and will be in raised position, because tractor travels on uneven road surface, for the excessive heavy curtain of the ratch that prevents to loosen the soil moving with the main frame head on parts bump against, on tine bearing 3, be welded with limited block 7.When tractor when long distance is in travel position, stop pin 6 can be inserted in the C location holes, the ratch 2 that loosens the soil is fixed.When the soil-shifting operation, if run into pine of work-yard soil, during the operation of need not loosening the soil, only need attachment pegs 4 is pulled out, the promptly reliable deadweight of the ratch 2 that loosens the soil is fallen and is taken out, and need not dismantle any other parts, when adorning on the contrary also is attachment pegs 4 strings to be gone up get final product, as long as dozer 1 is in raised position, driver one people can finish disassemble and assemble work in a few minutes.

Claims (4)

1, a kind ofly push away loose device, comprise dozer (1), it is characterized in that: be provided with the Follow-up ratch (2) that loosens the soil at the back side of described dozer (1) perching knife, the direction of burying of bury the tooth direction and the dozer (1) of the ratch that loosens the soil (2) is rightabout and places.

2, according to claim 1ly push away loose device, it is characterized in that: be provided with the stiffener that is used to strengthen dozer stiffness and intensity at described dozer (1) the moldboard back side, and the welding position between shovel arm and perching knife reinforces with section bar.

3, according to claim 1ly push away loose device, it is characterized in that: the described ratch that loosens the soil (2) is by the ridge buster bearing (3) that is fixed on dozer (1) back side and is suspended on the dozer (1) with attachment pegs (4) that its ratch that loosens the soil (2) can be provided with three groups.

4, according to claim 1ly push away loose device, it is characterized in that: on described dozer (1), also be provided with supporting iron (5), stop pin (6) and limited block (7).