CN214689422U

CN214689422U - Excavator strutting arrangement

Info

Publication number: CN214689422U
Application number: CN202120312326.3U
Authority: CN
Inventors: 陈庆辉
Original assignee: Shanghai Minqing Municipal Engineering Co ltd
Current assignee: Shanghai Minqing Municipal Engineering Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-12
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to an excavator support device, which relates to the field of excavators and comprises a front fixed plate, a rear fixed plate and support legs, wherein a wheel type excavator is provided with a chassis, and the front fixed plate is relatively and fixedly arranged at the front end of the chassis of the wheel type excavator; the fixed relatively sets up the rear end at wheeled excavator chassis of after-fixing board, all be provided with two landing legs on preceding fixed plate and the after-fixing board, between landing leg and the preceding fixed plate, all be provided with first hydro-cylinder between landing leg and the after-fixing board, the direction of promotion of first hydro-cylinder piston rod is vertical direction, four landing legs set up the four corners department at the chassis respectively, it has two support frames to articulate on the after-fixing board, two landing legs that are located after-fixing board department respectively with two support frame fixed connection, be provided with the second hydro-cylinder between support frame and the after-fixing board, the piston rod and the support frame of second hydro-cylinder are articulated, the second hydro-cylinder is articulated with the after-fixing board. This application has and can adjust the landing leg according to different topography, guarantees the effect of the supporting role of landing leg.

Description

Excavator strutting arrangement

Technical Field

The application relates to the field of excavators, in particular to an excavator supporting device.

Background

Excavators, also known as excavating machines, include wheel excavators, crawler excavators and the like, and are earth moving machines that excavate material above or below a machine bearing surface with a bucket and load the material into a transport vehicle or unload the material to a stockyard.

The undercarriage of the wheel excavator is usually provided with support legs which are respectively arranged at the front end and the rear end of the wheel excavator, the support legs arranged at the front end of the wheel excavator can also be replaced by a push shovel, and the support legs are usually made of rigid materials. When the wheel type excavator works, the supporting legs support the wheel type excavator, so that tires of the wheel type excavator are separated from the bottom surface, and the shaking amplitude of the wheel type excavator is reduced.

To the above-mentioned correlation technique, the inventor thinks that because wheeled excavator construction environment is diverse for wheeled excavator place ground may be unsmooth, and the landing leg adopts rigid material to make usually, and the landing leg can't make the adjustment according to the topography of reality again, can't guarantee that the landing leg can stabilize the butt with ground, makes the support effect of landing leg not good, thereby causes the influence to the operation of excavator.

SUMMERY OF THE UTILITY MODEL

In order to adjust the landing leg according to different topography, guarantee the support effect of landing leg, this application provides an excavator strutting arrangement.

The application provides an excavator strutting arrangement adopts following technical scheme:

a supporting device of an excavator comprises a front fixing plate, a rear fixing plate and supporting legs, wherein an underframe is arranged on a wheel type excavator, and the front fixing plate is relatively and fixedly arranged at the front end of the underframe of the wheel type excavator; the rear fixing plate is relatively fixedly arranged at the rear end of the chassis of the wheel type excavator, the front fixing plate and the rear fixing plate are respectively provided with two supporting legs, first oil cylinders are arranged between the supporting legs and the front fixing plate and between the supporting legs and the rear fixing plate, the pushing direction of a piston rod of each first oil cylinder is vertical, and the four supporting legs are respectively arranged at the four corners of the chassis.

Through adopting above-mentioned technical scheme, when wheeled excavator during operation, the landing leg supports wheeled excavator for the tire of wheeled excavator leaves ground, and when the ground unevenness of wheeled excavator below, first hydro-cylinder promotes the landing leg and removes, thereby adjusts the distance between landing leg bottom and the wheeled excavator wheel bottom, makes the landing leg bottom all the time with ground butt and play the effect of support, thereby can adjust the landing leg according to different topography, guarantees the supporting effect of landing leg.

Optionally, the rear fixing plate is hinged to two support frames, two support legs located at the rear fixing plate are respectively and fixedly connected with the two support frames, a second oil cylinder is arranged between the support frames and the rear fixing plate, a piston rod of the second oil cylinder is hinged to the support frames, and the second oil cylinder is hinged to the rear fixing plate.

Through adopting above-mentioned technical scheme, when the bottom of landing leg is inseparable with the butt on ground, the piston rod of second hydro-cylinder promotes the support frame and rotates around the articulated shaft of support frame and after-fixing board, and the support frame drives the landing leg and removes to adjust the angle between landing leg and the after-fixing board, make the landing leg can be inseparabler with the butt on ground.

Optionally, the bottom end of the supporting leg is provided with a footing, and the bottom end of the footing is made of a flexible material.

Through adopting above-mentioned technical scheme, set up the footing with the bottom of landing leg to set up the bottom of footing into flexible material and make, when construction ground was cement ground, the bottom and the inseparable butt in cement ground of footing. The bottom feet can not damage the cement pavement due to the gravity of the wheel type excavator, and therefore the cement pavement is protected.

Optionally, the bottom surface of the bottom foot is provided with an anti-slip groove.

Through adopting above-mentioned technical scheme, when footing and ground butt, set up anti-skidding groove on the bottom surface of footing, anti-skidding groove can increase the frictional force between footing and the ground to improve the ability of grabbing of footing, reduce the possibility that footing and ground take place the condition of skidding.

Optionally, a fixing flange is fixedly arranged at the bottom end of the supporting leg, a fixing bolt is arranged on the fixing flange, and the fixing bolt penetrates through the footing and is in threaded connection with the footing.

Through adopting above-mentioned technical scheme, when the footing needs to be changed, loosen fixing bolt for the footing breaks away from with mounting flange, then the footing after will changing passes through fixing bolt and mounting flange is fixed, thereby realizes that the footing can be dismantled with the landing leg and is connected, makes the change process of footing more convenient.

Optionally, a push plate is fixedly arranged on the front fixing plate, and the length direction of the push plate is perpendicular to the front-back direction of the wheel type excavator.

Through adopting above-mentioned technical scheme, set up the push pedal on the preceding fixed plate, when wheeled excavator is advancing the in-process forward, the push pedal can push away subaerial soil to the realization is to the level and smooth of ground.

Optionally, the push plate is arranged in a downward inclination manner along a direction away from the rear fixing plate, and the bottom end of the push plate is higher than the bottom end of the wheel excavator.

Through adopting above-mentioned technical scheme, with the push pedal along the direction downward sloping setting of keeping away from the after-fixing board for leave certain angle between push pedal and the ground, thereby improve the cleaning capacity of push pedal to soil surface, set up the bottom of push pedal into the bottom that is higher than wheeled excavator wheel, thereby avoid the push pedal to the normal production of traveling of wheeled excavator and disturb.

Optionally, the front fixing plate and the rear fixing plate are detachably connected with the chassis.

Through adopting above-mentioned technical scheme, all set up preceding fixed plate and after-fixing board to be connected with the chassis can dismantle, when maintaining strutting arrangement, pull down preceding fixed plate and after-fixing board from the chassis to pull down whole members on the strutting arrangement from the chassis, make strutting arrangement's dismouting process more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the front fixing plate and the rear fixing plate are arranged on the underframe of the wheel type excavator, and the first oil cylinder is arranged among the front fixing plate, the rear fixing plate and the supporting legs, so that the supporting legs can be adjusted according to different terrains, and the supporting effect of the supporting legs is ensured;

2. the bottom end of the supporting leg is provided with the bottom foot made of the flexible material, and the bottom foot is detachably connected with the supporting leg, so that the replacement process of the bottom foot is more convenient;

3. through all being connected with the chassis can be dismantled to preceding fixed plate and after-fixing board for when preceding fixed plate and after-fixing board pull down from the chassis, all components on the strutting arrangement just pull down from the chassis, make strutting arrangement's dismouting process more convenient.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

fig. 2 is a schematic view aimed at showing the structure of the front fixing plate;

fig. 3 is a schematic view for showing the structure of the rear fixing plate.

Description of reference numerals: 1. a front fixing plate; 11. pushing the plate; 2. a rear fixing plate; 21. a support frame; 22. a second cylinder; 3. a support leg; 31. a first cylinder; 32. footing; 321. an anti-slip groove; 33. a fixed flange; 331. fixing the bolt; 4. a wheel excavator; 41. a chassis; 411. and connecting the bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses excavator strutting arrangement. Referring to fig. 1, an excavator support device includes a front fixing plate 1, a rear fixing plate 2 and legs 3, a chassis 41 is provided on a wheel excavator 4, the front fixing plate 1 and the rear fixing plate 2 are respectively provided at both ends of the chassis 41 in a front-rear direction of the wheel excavator 4, and the legs 3 are provided below the front fixing plate 1 and the rear fixing plate 2.

When the wheel excavator 4 works, the supporting legs 3 on the front fixing plate 1 and the rear fixing plate 2 support the wheel excavator 4, so that the tires of the wheel excavator 4 are separated from the ground, and the shaking amplitude of the wheel excavator 4 is reduced.

Referring to fig. 2, landing leg 3 is cylindric and the fixed mounting flange 33 that is provided with of one end of landing leg 3, mounting flange 33 is discoid, the one side that landing leg 3 was kept away from to mounting flange 33 is provided with footing 32, footing 32 is cylindricly, footing 32 adopts flexible material to make, non-slip groove 321 has been seted up to the one side that mounting flange 33 was kept away from to footing 32, the cross-section of non-slip groove 321 is triangle-shaped, wear to be equipped with a plurality of fixing bolt 331 along mounting flange 33's circumference on mounting flange 33, a plurality of fixing bolt 331 wear to establish on footing 32 and with footing 32 threaded connection.

When the supporting legs 3 are abutted to the ground, the soil on the ground enters the anti-slip grooves 321, so that the friction force between the bottom surface and the bottom feet 32 is improved; when the footing 32 is replaced, the fixing bolt 331 is loosened, so that the fixing bolt 331 is separated from the fixing flange 33, the replaced footing 32 is abutted against the fixing flange 33, then the fixing bolt 331 is screwed, so that the fixing bolt 331 is in threaded connection with the footing 32, and the replacement of the footing 32 is completed.

Referring to fig. 1 and 2, the front fixing plate 1 is rectangular, the front fixing plate 1 is horizontally arranged, the length direction of the front fixing plate 1 is perpendicular to the front-back direction of the wheel excavator 4, two first oil cylinders 31 are fixedly arranged on the bottom surface of the front fixing plate 1, the first oil cylinders 31 are vertically arranged, the two first oil cylinders 31 are respectively arranged at two ends of the length direction of the front fixing plate 1, a piston rod of each first oil cylinder 31 is fixedly connected with one end of each supporting leg 3, which is far away from a bottom foot 32, and the length direction of each supporting leg 3 is vertical. Still fixedly on the preceding fixed plate 1 being provided with push pedal 11, push pedal 11 is located one side that the rear mounting plate 2 was kept away from to preceding fixed plate 1, and the length direction of push pedal 11 is the same with the length direction of preceding fixed plate 1, and the cross-section of push pedal 11 is circular-arc, and the opening upwards inclines towards the direction slope of keeping away from rear mounting plate 2.

When the distance between the support leg 3 on the front fixing plate 1 and the bottom end of the wheel type excavator 4 is adjusted, the piston rod of the first oil cylinder 31 is pushed along the vertical direction, so that the support leg 3 and the bottom foot 32 are driven to move along the vertical direction and abut against the ground; when the wheel excavator 4 is traveling, the push plate 11 can push the soil in front of the wheel excavator 4, so that the soil on the ground is leveled by the push plate 11.

Referring to fig. 1 and 3, the rear fixing plate 2 is rectangular, the rear fixing plate 2 is horizontally disposed, and the length direction of the rear fixing plate 2 is the same as that of the front fixing plate 1; two ends of the rear fixing plate 2 along the length direction are provided with two support frames 21, the two support frames 21 are long-strip-shaped, the top end of each support frame 21 is hinged with the rear fixing plate 2, and the rotation direction of each support frame 21 is perpendicular to the length direction of the front fixing plate 1; the first oil cylinder 31 is also arranged on the rear fixing plate 2 and corresponds to the support frame 21, the first oil cylinder 31 is fixedly connected with the support frame 21, the telescopic rod of the first oil cylinder 31 is positioned on one side of the support frame 21, which is far away from the hinge shaft of the support frame 21, two support legs 3 are arranged on the rear fixing plate 2, the telescopic rod of the first oil cylinder 31 is fixedly connected with the top ends of the support legs 3, and the bottom foot 32 is positioned below the first oil cylinder 31; two second oil cylinders 22 are hinged on the rear fixing plate 2, and piston rods of the second oil cylinders 22 are hinged with the middle part of the supporting frame 21.

When footing 32 is inseparable with the butt on ground, the piston rod of second hydro-cylinder 22 promotes support frame 21 and rotates around the articulated shaft of support frame 21 with rear fixed plate 2, utilizes support frame 21 to drive landing leg 3 and removes to adjust the angle between landing leg 3 and rear fixed plate 2, make footing 32 can be inseparabler with the butt on ground.

Referring to fig. 2 and 3, connecting bolts 411 are respectively arranged on the front fixing plate 1 and the rear fixing plate 2 in a penetrating manner, the connecting bolts 411 are in threaded connection with the chassis 41, four connecting bolts 411 are respectively arranged on the front fixing plate 1 and the rear fixing plate 2, the connecting bolts 411 on the front fixing plate 1 are arranged at four corners of the front fixing plate 1, and the connecting bolts 411 on the rear fixing plate 2 are arranged at four corners of the rear fixing plate 2.

When the support device is repaired, the connection bolts 411 are loosened to detach the front fixing plate 1 and the rear fixing plate 2 from the base frame 41, and then the support device is repaired; the front fixing plate 1 and the rear fixing plate 2 are placed on the bottom frame 41, and the connecting bolts 411 are tightened, so that the front fixing plate 1 and the rear fixing plate 2 are respectively fixed with the bottom frame 41, thereby completing the maintenance of the supporting device.

The implementation principle of the excavator supporting device in the embodiment of the application is as follows: when the wheel type excavator 4 works, the length of the telescopic rods of the first oil cylinders 31 on the front fixing plate 1 and the rear fixing plate 2 is adjusted according to the terrain below the wheel type excavator 4, so that the bottom feet 32 below the supporting legs 3 are tightly abutted to the ground, the ground soil enters the anti-skidding grooves 321, the friction force between the bottom surface and the bottom feet 32 is improved, the supporting legs 3 are utilized to support the wheel type excavator 4, the supporting legs 3 can be adjusted according to different terrains, and the supporting effect of the supporting legs 3 is guaranteed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An excavator strutting arrangement which characterized in that: the front fixing plate (1) is relatively fixedly arranged at the front end of the chassis (41) of the wheel type excavator (4); the rear fixing plate (2) is relatively fixedly arranged at the rear end of an underframe (41) of the wheel excavator (4), two supporting legs (3) are arranged on the front fixing plate (1) and the rear fixing plate (2), a first oil cylinder (31) is arranged between each supporting leg (3) and the front fixing plate (1) and between each supporting leg (3) and the rear fixing plate (2), the pushing direction of a piston rod of each first oil cylinder (31) is vertical, and the four supporting legs (3) are arranged at four corners of the underframe (41) respectively.

2. The excavator support apparatus of claim 1, wherein: the rear fixing plate (2) is hinged with two supporting frames (21), two supporting legs (3) located at the rear fixing plate (2) are fixedly connected with the two supporting frames (21) respectively, a second oil cylinder (22) is arranged between the supporting frames (21) and the rear fixing plate (2), a piston rod of the second oil cylinder (22) is hinged with the supporting frames (21), and the second oil cylinder (22) is hinged with the rear fixing plate (2).

3. The excavator support apparatus of claim 2, wherein: bottom feet (32) are arranged at the bottom ends of the supporting legs (3), and the bottom ends of the bottom feet (32) are made of flexible materials.

4. The excavator support apparatus of claim 3, wherein: the bottom surface of the bottom foot (32) is provided with an anti-slip groove (321).

5. The excavator support apparatus of claim 3, wherein: the bottom end of the supporting leg (3) is fixedly provided with a fixing flange (33), a fixing bolt (331) is arranged on the fixing flange (33), and the fixing bolt (331) penetrates through the bottom foot (32) and is in threaded connection with the bottom foot (32).

6. The excavator support apparatus of claim 1, wherein: the front fixing plate (1) is fixedly provided with a push plate (11), and the length direction of the push plate (11) is vertical to the front and back direction of the wheel type excavator (4).

7. The excavator support apparatus of claim 6, wherein: the push plate (11) is arranged in a downward inclined mode along the direction far away from the rear fixing plate (2), and the bottom end of the push plate (11) is higher than the bottom end of a wheel of the wheel type excavator (4).

8. The excavator support apparatus of claim 1, wherein: the front fixing plate (1) and the rear fixing plate (2) are detachably connected with the bottom frame (41).