CN2673952Y - Earth moving equipment with cutting-in force increasing function - Google Patents
Earth moving equipment with cutting-in force increasing function Download PDFInfo
- Publication number
- CN2673952Y CN2673952Y CN 200420010091 CN200420010091U CN2673952Y CN 2673952 Y CN2673952 Y CN 2673952Y CN 200420010091 CN200420010091 CN 200420010091 CN 200420010091 U CN200420010091 U CN 200420010091U CN 2673952 Y CN2673952 Y CN 2673952Y
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- dozer
- inclination
- hinged
- soil
- propulsion arm
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Abstract
The utility model provides an inclined earth pushing working device with a cutting-in force increasing function, comprising a bulldozer blade, a middle support mechanism connected between the bulldozer blade and a front vehicle frame in a hinged mode, a lifting mechanism, a left pushing rod, and a right pushing rod. The middle support mechanism comprises a cross connecting block, a lower fork shaft, and a tripod. One end of the cross connecting block is hinged with a connecting point on the lower side of the longitudinal center line of the back surface of the bulldozer blade, and the other end of the cross connecting block is mutually hinged with the lower fork shaft. The shaft handle end of the lower fork shaft is installed inside the center shaft hole of the tripod in a movable matching mode. Two ends of the tripod are mutually hinged with the front vehicle frame. The lifting mechanism is a lifting oil cylinder, the middle part of the lifting oil cylinder is hinged with an upper fork shaft, and the shaft handle end of the upper fork shaft is combined with the front vehicle frame. The piston rod end of the lifting oil cylinder is mutually hinged with the middle part of the longitudinal center line of the back surface of the bulldozer blade. An inclined mechanism which can make the bulldozer blade inclined is arranged on the inclined upper side of the back surface of the bulldozer blade.
Description
(1) technical field
The utility model relates to a kind of soil-shifting equipment, particularly a kind of inclination soil-shifting equipment that is suitable for the increased dozer incision power of wheel dozer use, and it is the structural system composed of bar of a spatial movement.
(2) background technology
The soil-shifting operation of well-known bulldozer mainly is dozer to be cut to operate machine behind the soil advance shoveling soil; Or loose operation thing pushed away collect the destination.Therefore the operating efficiency of bulldozer is obviously relevant, simultaneously also relevant with the pace of bulldozer normal operation with the degree of depth of dozer incision soil.The conventional operation device of bulldozer is hinged in two outsides of dozer lower rear and left and right propulsion arm; Dozer back side longitudinal center place is hinged with horizontal hound with two medial surfaces at left and right propulsion arm middle part.Owing to have these two horizontal hounds to stop between the front-wheel of bulldozer and the dozer back side, so that exist bigger spacing between the blade earth point of dozer and the front axle, when the lift piston masthead pushes away the dozer back side, very easily cause the bulldozer front-wheel to be broken away from ground, directly have influence on the incision power and the penetraction depth of dozer by jack-up.
(3) summary of the invention
A kind of inclination soil-shifting equipment that increases dozer incision power that the purpose of this utility model designs at existing weak point in the above-mentioned prior art just.Adopt soil-shifting equipment of the present utility model under the constant substantially prerequisite of bulldozer overall weight, particularly propons weight, the incision power and the penetraction depth of dozer to be increased.
The purpose of this utility model can realize by following measure:
The inclination soil-shifting equipment that increases dozer incision power of the present utility model is the space bar mechanism of mounting support on front frame; It comprises dozer, by articulated manner be connected left propulsion arm and the right propulsion arm that two inferior horn C, D are ordered about the dozer back side and be connected dozer and front frame between medial support mechanisms and hoisting mechanism, described left propulsion arm and right propulsion arm rear end combine with M, the N point of the lower transverse beam of front frame in hinged way, it is characterized in that: described medial support mechanisms comprises cross contiguous block, fork shaft and tripod down; The F contact of one end of described cross contiguous block and dozer back side longitudinal centre line below is hinged, its other end is point articulated with following fork shaft J mutually, the footstalk end of following fork shaft is installed in the central shaft hole of tripod in mode movingly, and two ends of tripod are hinged at P, Q point with front frame; Described hoisting mechanism is a lift cylinder, and this lift cylinder middle part R point and last fork shaft are hinged, and the footstalk end of last fork shaft combines at the S point with front frame, and the E point at the tailpiece of the piston rod of lift cylinder and dozer back side longitudinal centre line middle part is hinged; Above the side at the dozer back side, be provided with the inclination mechanism that can make the dozer inclination.
Inclination described in the utility model mechanism is made up of two inclination oil cylinders, and an end of two inclination oil cylinders is hinged on A, the B contact place with top, both sides, the dozer back side respectively, and its other end is hinged on G, the H contact place in left propulsion arm and right propulsion arm stage casing respectively.
Inclination described in the utility model mechanism also can adopt following structure to realize: promptly described inclination mechanism comprises an inclination oil cylinder and a spiral hound, one end of described inclination oil cylinder and spiral hound is hinged on A, the B contact place with top, both sides, the dozer back side respectively, and its other end is hinged on G, the H contact place in left propulsion arm and right propulsion arm stage casing respectively.
A, B in the mechanism of space bar described in the utility model, C, D, E, M, N pin joint are the articulated structure of sphere lower pair; F, J, G, H, P, Q, R, S pin joint in the described space bar mechanism is the articulated structure of rotary pair.
The hound of spiral described in the utility model is the screw pair structure.
Operating principle of the present utility model and advantage are as follows:
Handle the inclination oil cylinder, stretching out of its piston rod can make a dozer left side high right low, and promptly its upper left corner turns forward, and the lower right corner recedes, and the cross contiguous block that the dozer back side connects rotates around pin joint, and following fork shaft moves axially in the central shaft hole of tripod; Dozer is done spatial movement, makes the lift cylinder drive go up fork shaft and swings slightly at the contact of front frame.When the piston rod of inclination oil cylinder shrinks, can make dozer finally be in low right high position, a left side, the situation of stretching out with above-mentioned inclination oil cylinder piston bar is just in time opposite.When the inclination oil cylinder is arranged on the right propulsion arm, the spiral hound is arranged on the left propulsion arm, and after the contact at their other end and the dozer back side was hinged, when the piston rod of inclination oil cylinder stretched out, the right high left side of dozer was low; When the piston rod of inclination oil cylinder shrank, the right low left side of dozer was high.During as two inclination oil cylinders of layout between the left and right propulsion arm and the dozer back side, fixing wherein inclination oil cylinder, the piston rod of handling another inclination oil cylinder stretches and also can realize above-mentioned action.When the piston rod of handling two inclination oil cylinders is flexible simultaneously, can control the angle of dozer incision soil, so that bulldozer adapts to the operating mode of different hardness grade soil.
Handle lift cylinder dozer is moved up and down, when the lift piston bar stretched out, the operation of working of dozer blade incision soil was prepared, the vehicle Shi Zezuo soil-shifting operation of advancing; The piston rod of lift cylinder shrinks, and dozer breaks away from soil gradually, and final dozer rises to the extreme higher position, and vehicle is in transportation, shifts operating mode.
Because the width dimensions of dozer is bigger, the two ends of dozer have left and right propulsion arm to support when the soil-shifting operation, the words that do not have support as the middle part, the rigidity of dozer is obviously not enough, very big distortion can take place, and the equipment traditional structure of therefore bulldozing has adopted and be furnished with the rigidity of two horizontal hounds when increasing dozer soil-shifting work between the bottom of dozer back side longitudinal centre line and left and right propulsion arm inboard.Because this two horizontal hounds are arranged,, so when cutting soil, lift cylinder is easy to make front-wheel to lift disengaging ground and can't normal operation so the distance between bulldozer front-wheel and the dozer back side is just bigger.The utility model has replaced two horizontal hounds in the soil-shifting equipment with medial support mechanisms, rigidity when both having guaranteed the dozer operation, can make dozer blade earth point shorten greatly again to the distance between the bulldozer front axle, so lift cylinder can produce bigger incision power at dozer blade ground connection place with onesize active force, helps improving the operating efficiency of bulldozer.
(4) description of drawings
Fig. 1 is the utility model principle schematic.
Fig. 2 is placed on ground side-looking topology view for the utility model after removing the inclination oil cylinder.
Fig. 3 removes plan structure view behind the lift cylinder for the utility model.
Fig. 4 is the A-A sectional view that C, D are ordered among Fig. 1, Fig. 2.
Fig. 5 is the B-B sectional view that G, H are ordered among Fig. 1, Fig. 2.
Fig. 6 is the C-C sectional view that A, B are ordered among Fig. 1, Fig. 2.
Fig. 7 is the D-D sectional view that F, J are ordered among Fig. 1, Fig. 3.
Fig. 8 is the E-E sectional view of Fig. 7.
(5) specific embodiment
The utility model is done detailed description below with reference to embodiment (accompanying drawing):
Shown in Fig. 2,3, the inclination soil-shifting equipment that increases dozer incision power of the present utility model comprises dozer (1) and inclination mechanism, medial support mechanisms, hoisting mechanism; This equipment is the space bar mechanism of mounting support on front frame (12); Top, middle part G, the H of the inclination oil cylinder (4) of described inclination mechanism, the cylinder barrel end of spiral hound (5) and left propulsion arm (2), right propulsion arm (3) are point articulated; The other end of left side propulsion arm (2) and right propulsion arm (3) is point articulated with the M, the N that are fixedly mounted on the lower transverse beam (11) on the front frame (12) respectively; Cross contiguous block (6) in the described medial support mechanisms is point articulated with the F of dozer (1) back side longitudinal centre line below, the other end of cross contiguous block (6) is point articulated at J with following fork shaft (7), the footstalk end of following fork shaft (7) is installed in the central shaft hole K of tripod (8) in mode movingly, and the two ends, back of tripod (8) and front frame (12) are point articulated at P, Q; The lift cylinder of described hoisting mechanism (9) middle part R point and last fork shaft (10) are hinged, and last fork shaft (10) combines at the S point with front frame (12); The E at lift cylinder (9) tailpiece of the piston rod and dozer (1) back side longitudinal centre line middle part is point articulated.
Can adjust spiral hound (5) during the utility model assembling makes dozer (1) vertical substantially with the longitudinal direction of car central axis.The flexible upper and lower motion of M, N point that can make the related left and right propulsion arm of dozer (1) (2), (3) of handling lift cylinder (9) around lower transverse beam (11).When dozer (1) when cutting soil downwards, bulldozer is in prepares the soil-shifting state, and bulldozer advances and then begins the operation of bulldozing; When dozer (1) rising, blade breaks away from ground, rises to the extreme higher position until dozer (1), and bulldozer is in transportation, shifts the work-yard state.
Dozer under the rolling condition (1) can carry out local shoveling operation to the area, ramp, the hillside tiltedly shoveling go out to have the smooth roadbed or the road surface of certain width, so the ability that the dozer of bulldozer (1) has an inclination operation is one of very important operation function of bulldozer.
Handle stretching out of inclination oil cylinder (4) piston rod, can make dozer (a 1) left side high right low; When shrinking, inclination oil cylinder (4) piston rod can make dozer (a 1) left side low right high.When inclination oil cylinder (4) piston rod stroke was minimum or maximum, the rolling condition of dozer (1) was a ultimate limit state.
Will bring into play its maximum operation efficient as bulldozer, at first dozer (1) incision scope of operation soil will have certain depth; Secondly bulldozer itself will have enough powerful tractive force to make mechanical energy advance with certain speed of a motor vehicle, and the shoveling of this layer soil is fallen.The purpose of this utility model is exactly the lift cylinder (9) with same specification cylinder diameter, oil pressure, under with mechanical population parameters such as model machine weight, propons load distribution, can make the dozer (1) of bulldozer give play to maximum incision power.Because the traditional structure of soil-shifting equipment is to be provided with two horizontal hounds to increase the rigidity of dozer (1) between dozer (1) back side and left and right propulsion arm (2), (3) medial surface, therefore can not lean on too closely between the wheel and dozer (1) back side, otherwise mechanical interference can take place between the two.It is bigger to the distance at front axle center that the shortcoming of the soil-shifting equipment of this traditional structure is exactly dozer (1) blade incision soil place, promptly under lift cylinder (9) effect, it is big to the arm of force in the tilting complex torque of front axle to be equivalent to incision power, so the tilting complex torque value is also big, make the bulldozer front-wheel lift and built on stilts sometimes.Wheel dozer for the four-wheel drive operation is liftoff owing to front-wheel, and complete machine tractive force can sharply descend.Certainly above propons, increase counterweight; Or change the forward and backward load per axle of complete machine distribute increase before load per axle can slow down the liftoff trend of front-wheel, but like this or will increase the counterweight cost, or to change the complete machine design be not desirable scheme.Way of the present utility model is two horizontal hounds in the cancellation soil-shifting equipment traditional structure, the substitute is and has designed medial support mechanisms, and it can play equally and strengthen the rigidity of dozer (1) when the soil-shifting operation.Can arrange that when general arrangement front-wheel is as far as possible near the back side of dozer (1), therefore under the cylinder diameter of, preceding load per axle heavy and lift cylinder (9), oil pressure parameter with model machine, dozer (1) blade earth point has shortened to the distance at front axle center, and the arm of force to the tilting complex torque of front axle centre that is equivalent to that incision power produces has been lacked.During therefore same tilting complex torque, the arm of force has been lacked, and dozer (1) can increase the incision power of soil.
The inclination oil cylinder (4) of the utility model embodiment is arranged in the left side, and spiral hound (5) is arranged in the right side.After but they intercourse the position, can make dozer (1) realize the inclination action equally.
When the utility model replaces spiral hound (5) with inclination oil cylinder (4), be the words that and arranged on left and right sides is all installed inclination oil cylinder (4), inclination oil cylinder (4) the locating distance BH of a side or (AG) constant wherein, and inclination oil cylinder (4) the locating distance AG of opposite side or (BH) elongate or shorten can realize the inclination action of dozer (1).When the locating distance of the inclination oil cylinder (4) of both sides elongates or shortens simultaneously, can change the cutting angle of burying of dozer (1), to adapt to the soil of different hardness grade, the operation of effectively bulldozing.
Claims (8)
1, a kind of inclination soil-shifting equipment that increases dozer incision power, this equipment is the space bar mechanism of mounting support on front frame (12); It comprises dozer (1), by articulated manner be connected left propulsion arm (2) and the right propulsion arm (3) that two inferior horn C, D are ordered about dozer (1) back side and be connected dozer (1) and front frame (12) between medial support mechanisms and hoisting mechanism, described left propulsion arm (2) and right propulsion arm (3) rear end combine with M, the N point of the lower transverse beam (11) of front frame (12) in hinged way, it is characterized in that: described medial support mechanisms comprises cross contiguous block (6), fork shaft (7) and tripod (8) down; The F contact of one end of described cross contiguous block (6) and dozer (1) back side longitudinal centre line below is hinged, its other end is point articulated with following fork shaft (7) J mutually, the footstalk end of following fork shaft (7) is installed in the central shaft hole of tripod (8) in mode movingly, and two ends of tripod (8) are hinged at P, Q point with front frame (12); Described hoisting mechanism is a lift cylinder (9), this lift cylinder (9) middle part R point and last fork shaft (10) are hinged, the footstalk end of last fork shaft (10) combines at the S point with front frame (12), and the E point at the tailpiece of the piston rod of lift cylinder (9) and dozer (1) back side longitudinal centre line middle part is hinged; Side top at dozer (1) back side is provided with the inclination mechanism that can make dozer (1) inclination.
2, the inclination soil-shifting equipment that increases dozer incision power according to claim 1, it is characterized in that: described inclination mechanism is made up of two inclination oil cylinders (4), two inclination oil cylinder (4) one ends are hinged on A, the B contact place with top, dozer (1) both sides, the back side respectively, and its other end is hinged on G, the H contact place in left propulsion arm (2) and right propulsion arm (3) stage casing respectively.
3, the inclination soil-shifting equipment that increases dozer incision power according to claim 1, it is characterized in that: described inclination mechanism comprises inclination oil cylinder (4) and spiral hound (5), one end of inclination oil cylinder (4) and spiral hound (5) is hinged on A, the B contact place with top, dozer (1) both sides, the back side respectively, and its other end is hinged on G, the H contact place in left propulsion arm (2) and right propulsion arm (3) stage casing respectively.
4, the inclination soil-shifting equipment that increases dozer incision power according to claim 1 is characterized in that: C, D, E, M, the N pin joint in the described space bar mechanism is the articulated structure of sphere lower pair.
5, the inclination soil-shifting equipment that increases dozer incision power according to claim 1 is characterized in that: F, J, P, Q, R, the S pin joint in the described space bar mechanism is the articulated structure of rotary pair.
6, according to claim 2 or the 3 described inclination soil-shifting equipments that increase dozer incision power, it is characterized in that: the A in the described space bar mechanism, the articulated structure that the B pin joint is the sphere lower pair.
7, according to claim 2 or the 3 described inclination soil-shifting equipments that increase dozer incision power, it is characterized in that: the G in the described space bar mechanism, the articulated structure that the H pin joint is rotary pair.
8, the inclination soil-shifting equipment that increases dozer incision power according to claim 3, it is characterized in that: described spiral hound (5) is the screw pair structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010091 CN2673952Y (en) | 2004-01-16 | 2004-01-16 | Earth moving equipment with cutting-in force increasing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010091 CN2673952Y (en) | 2004-01-16 | 2004-01-16 | Earth moving equipment with cutting-in force increasing function |
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| Publication Number | Publication Date |
|---|---|
| CN2673952Y true CN2673952Y (en) | 2005-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420010091 Expired - Fee Related CN2673952Y (en) | 2004-01-16 | 2004-01-16 | Earth moving equipment with cutting-in force increasing function |
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| Country | Link |
|---|---|
| CN (1) | CN2673952Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359132A (en) * | 2011-10-14 | 2012-02-22 | 山推工程机械股份有限公司 | Inclined connecting rod structure of front working device of bulldozer |
| CN109487841A (en) * | 2018-11-20 | 2019-03-19 | 大连德联科技有限公司 | A kind of soil strand suction unmanned vehicle |
| CN112544139A (en) * | 2020-12-10 | 2021-03-26 | 云南农业大学 | A high efficiency land leveling device for ecological remediation |
| CN112602438A (en) * | 2020-12-14 | 2021-04-06 | 国家林业和草原局哈尔滨林业机械研究所 | Shellfish soil excavating device of fritillaria ussuriensis bulb harvester |
-
2004
- 2004-01-16 CN CN 200420010091 patent/CN2673952Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359132A (en) * | 2011-10-14 | 2012-02-22 | 山推工程机械股份有限公司 | Inclined connecting rod structure of front working device of bulldozer |
| CN109487841A (en) * | 2018-11-20 | 2019-03-19 | 大连德联科技有限公司 | A kind of soil strand suction unmanned vehicle |
| CN112544139A (en) * | 2020-12-10 | 2021-03-26 | 云南农业大学 | A high efficiency land leveling device for ecological remediation |
| CN112602438A (en) * | 2020-12-14 | 2021-04-06 | 国家林业和草原局哈尔滨林业机械研究所 | Shellfish soil excavating device of fritillaria ussuriensis bulb harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050126 Termination date: 20130116 |