CN214329056U

CN214329056U - Excavator walking frame

Info

Publication number: CN214329056U
Application number: CN202022794156.5U
Authority: CN
Inventors: 殷广富; 殷凯
Original assignee: YANGZHOU HONGCHENG MACHINERY CO Ltd
Current assignee: YANGZHOU HONGCHENG MACHINERY CO Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-01
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses an excavator walking frame belongs to walking frame technical field, which comprises a base, a set of mount of the equal fixedly connected with in both sides around the chassis, the upper end of mount is provided with the recess, two sets of cylinders of the upper end fixedly connected with of recess, it is two sets of the one end of cylinder is all extended and is provided with the third telescopic link, and is two sets of be provided with driven gear between the third telescopic link, and driven gear rotates through pivot and third telescopic link to be connected, driven gear's upper end meshing is connected with the track. The utility model discloses a set up the cylinder, can drive the third telescopic link through the cylinder and stretch out and draw back to control driven gear's height, conveniently support the track that too loosens, also can relax when the track is too tight, prevent that the stress that the track during operation received is too big, increase the life of track.

Description

Excavator walking frame

Technical Field

The utility model relates to a walking frame technical field specifically is an excavator walking frame.

Background

In the modern times, excavators are almost used in civil engineering, and can excavate foundations of buildings and plants, excavate earth materials, strip covering layers of mining sites, load operations in quarries, tunnels, underground plants and stockyards, excavate canal canals and dredging water channels, and perform pouring, hoisting, mounting, piling, soil ramming and other operations after replacing working devices.

The existing excavator walking frame has certain defects when in use, firstly, the crawler of the existing excavator walking frame can be always loud when the excavator walks due to the fact that the crawler is too loose when in use, the stress of the crawler is too large when the excavator walks if the crawler is too tight, the service life of the crawler is reduced, secondly, the existing excavator walking frame is difficult to realize effective shock absorption on a cab (14), the excavator shakes all the time when a driver drives, and the work of the driver is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator walking frame to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a walking frame of an excavator comprises a chassis, wherein a group of fixing frames are fixedly connected to the front side and the rear side of the chassis, a groove is formed in the upper end of each fixing frame, two groups of cylinders are fixedly connected to the upper end of the groove, a third telescopic rod extends from one end of each cylinder, a driven gear is arranged between the two groups of third telescopic rods and is rotatably connected with the third telescopic rods through a rotating shaft, and a crawler belt is connected to the upper end of the driven gear in a meshed mode;

the upper end fixedly connected with second fixed block on chassis, the inside T font spacing groove that is provided with of second fixed block, the upper end fixedly connected with multiunit bumper shock absorber on chassis, and the bumper shock absorber is located T font spacing inslot, the upper end fixedly connected with stopper of bumper shock absorber, and stopper and T font spacing groove sliding connection, the upper end of second fixed block is provided with the driver's cabin, the lower extreme fixedly connected with motor of driver's cabin, the output of motor extends and is provided with the second pivot, and the lower extreme and the stopper fixed connection of second pivot.

As a further description of the above technical solution:

two ends of the fixing frame are provided with two sets of hydraulic motors, and output ends of the hydraulic motors extend to form first rotating shafts.

As a further description of the above technical solution:

the outer surface of the cylinder of the first rotating shaft is fixedly connected with a driving gear.

As a further description of the above technical solution:

one side fixedly connected with first extension arm of driver's cabin, the one end of first extension arm rotates and is connected with the second extension arm.

As a further description of the above technical solution:

the rotation of one side of driver's cabin is connected with first pneumatic cylinder, the one end extension of first pneumatic cylinder is provided with the second telescopic link, the downside of second extension arm is provided with first fixed block, and first fixed block and second telescopic link rotate to be connected.

As a further description of the above technical solution:

one end of the second extension arm is rotatably connected with a connecting block, and one end of the connecting block is fixedly connected with a bucket.

As a further description of the above technical solution:

the upper end fixedly connected with second pneumatic cylinder of second extension arm, the one end extension of second pneumatic cylinder is provided with first telescopic link, and first telescopic link rotates with the bucket and is connected.

As a further description of the above technical solution:

the devices connected with the front side and the rear side of the chassis are completely the same.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a set up the cylinder, can drive the third telescopic link through the cylinder and stretch out and draw back to control driven gear's height, conveniently support the track that too loosens, also can relax when the track is too tight, prevent that the stress that the track during operation received is too big, increase the life of track.

2. The utility model discloses a bumper shock absorber that sets up can reduce the vibrations of excavator when walking to the influence of driver's cabin, and when the track was gone on the road surface of injustice, the bumper shock absorber can stretch out and draw back and the shock attenuation, reduces the stopper and reciprocates intensity at T font spacing inslot to reduce the influence of road surface injustice to the driver.

3. The utility model discloses a motor that sets up can drive the second pivot and rotate, and when second pivot and stopper fixed connection, the stopper can only reciprocate at T font spacing inslot to make the motor drive the driver's cabin and rotate, realize the rotation of excavator.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of an excavator walking frame of the present invention;

fig. 2 is a left side sectional view of the excavator walking frame of the present invention;

fig. 3 is a perspective view of the excavator walking frame of the present invention without the first extension arm and the second extension rod;

fig. 4 is a top view of the excavator walking frame of the present invention.

In the figure: 1. a first extension arm; 2. a second extension arm; 3. a first telescopic rod; 4. excavating a bucket; 5. a first fixed block; 6. a second telescopic rod; 7. a cylinder; 8. a fixed mount; 9. a third telescopic rod; 10. a first rotating shaft; 11. a driving gear; 12. a crawler belt; 13. a driven gear; 14. a cab; 15. a motor; 16. a second rotating shaft; 17. a second fixed block; 18. a limiting block; 19. a shock absorber; 20. a chassis; 21. a groove; 22. a T-shaped limiting groove; 23. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an excavator walking frame, which comprises a base 20, a set of mount 8 of equal fixedly connected with in both sides around chassis 20, the upper end of mount 8 is provided with recess 21, two sets of cylinders 7 of upper end fixedly connected with of recess 21, the one end of two sets of cylinders 7 all extends and is provided with third telescopic link 9, be provided with driven gear 13 between two sets of third telescopic links 9, and driven gear 13 rotates through pivot and third telescopic link 9 and is connected, driven gear 13's upper end meshing is connected with track 12, cylinder 7 can drive third telescopic link 9 and stretch out and draw back, thereby control driven gear 13's height, conveniently support too loose track 12, also can relax when track 12 is too tight, the stress that prevents track 12 during operation from receiving is too big.

The upper end of the chassis 20 is fixedly connected with a second fixing block 17, a T-shaped limiting groove 22 is arranged in the second fixing block 17, a plurality of groups of shock absorbers 19 are fixedly connected with the upper end of the chassis 20, the shock absorbers 19 are positioned in the T-shaped limiting groove 22, a limiting block 18 is fixedly connected with the upper end of the shock absorbers 19, the limiting block 18 is in sliding connection with the T-shaped limiting groove 22, a cab 14 is arranged at the upper end of the second fixing block 17, a motor 15 is fixedly connected with the lower end of the cab 14, a second rotating shaft 16 extends from the output end of the motor 15, the lower end of the second rotating shaft 16 is fixedly connected with the limiting block 18, the shock absorbers 19 can reduce the influence of the shock of the excavator on the cab 14 during walking, when the crawler 12 runs on an uneven road surface, the shock absorbers 19 can stretch and absorb shock, the strength of the limiting block 18 moving up and down in the T-shaped limiting groove 22 is reduced, and the influence of the driver caused by the uneven road surface is reduced, meanwhile, the motor 15 is not influenced to be fixedly connected with the limiting block 18 through the second rotating shaft 16 to reversely drive the cab 14 to rotate.

Two groups of hydraulic motors are arranged at two ends of the fixing frame 8, a first rotating shaft 10 is arranged at the output end of each hydraulic motor in an extending mode, a driving gear 11 is fixedly connected to the outer surface of a cylinder of the first rotating shaft 10, the first rotating shaft 10 can be driven to rotate through the hydraulic motors, the driving gear 11 is driven to rotate, the driving gear 11 drives the track 12 to move, the running of the excavator is realized, a first extension arm 1 is fixedly connected to one side of the cab 14, one end of the first extension arm 1 is rotatably connected with a second extension arm 2, a first hydraulic cylinder is fixedly connected to one side of the cab 14, a second telescopic rod 6 is arranged at one end of the first hydraulic cylinder in an extending mode, a first fixing block 5 is arranged on the lower side of the second extension arm 2, the first fixing block 5 is rotatably connected with the second telescopic rod 6, one end of the second extension arm 2 is rotatably connected with a connecting block 23, and one end of the connecting block 23 is fixedly connected with the excavator bucket 4, the upper end fixedly connected with second pneumatic cylinder of second extension arm 2, the one end of second pneumatic cylinder is extended and is provided with first telescopic link 3, and first telescopic link 3 rotates with bucket 4 and is connected, can make things convenient for bucket 4 to excavate through the flexible angle of control second extension arm 2 and bucket 4 of second telescopic link 6 and first telescopic link 3 respectively, and the device that both sides are connected is the same around the chassis 20.

The utility model discloses a theory of operation: this walking frame is when using, when track 12 traveles on the road surface of injustice, bumper shock absorber 19 can stretch out and draw back and the shock attenuation, reduce stopper 18 and reciprocate intensity in T font spacing groove 22, thereby reduce the influence of road surface injustice to the driver, realize the shock attenuation, simultaneously because second fixed block 17 can only reciprocate in T font spacing groove 22, motor 15 can reverse drive driver's cabin 14 through second pivot 16 and rotate, also can make driver's cabin 14 rotatory when realizing the shock attenuation, cylinder 7 drives the flexible of third telescopic link 9, thereby control driven gear 13's height, conveniently support too loose track 12, also can relax when track 12 is too tight, prevent that the stress that track 12 during operation received is too big, increase track 12's life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An excavator walking frame, includes chassis (20), its characterized in that: a group of fixing frames (8) are fixedly connected to the front side and the rear side of the chassis (20), a groove (21) is formed in the upper end of each fixing frame (8), two groups of cylinders (7) are fixedly connected to the upper end of each groove (21), a third telescopic rod (9) extends from one end of each group of cylinders (7), a driven gear (13) is arranged between the two groups of third telescopic rods (9), the driven gear (13) is rotatably connected with the third telescopic rods (9) through a rotating shaft, and the upper end of the driven gear (13) is connected with a crawler belt (12) in a meshed mode;

the utility model discloses a motor vehicle bumper shock absorber, including chassis (20), the upper end fixedly connected with second fixed block (17) on chassis (20), the inside T font spacing groove (22) that is provided with of second fixed block (17), the upper end fixedly connected with multiunit bumper shock absorber (19) on chassis (20), and bumper shock absorber (19) are located T font spacing groove (22), the upper end fixedly connected with stopper (18) of bumper shock absorber (19), and stopper (18) and T font spacing groove (22) sliding connection, the upper end of second fixed block (17) is provided with driver's cabin (14), the lower extreme fixedly connected with motor (15) of driver's cabin (14), the output of motor (15) extends and is provided with second pivot (16), and the lower extreme and stopper (18) fixed connection of second pivot (16).

2. The excavator walking frame of claim 1, wherein: two ends of the fixing frame (8) are provided with two sets of hydraulic motors, and output ends of the hydraulic motors extend to be provided with first rotating shafts (10).

3. The excavator walking frame of claim 2, wherein: the outer surface of the cylinder of the first rotating shaft (10) is fixedly connected with a driving gear (11).

4. The excavator walking frame of claim 1, wherein: one side fixedly connected with first extension arm (1) of driver's cabin (14), the one end of first extension arm (1) is rotated and is connected with second extension arm (2).

5. The excavator walking frame of claim 4, wherein: the rotation of one side of driver's cabin (14) is connected with first pneumatic cylinder, the one end of first pneumatic cylinder is extended and is provided with second telescopic link (6), the downside of second extension arm (2) is provided with first fixed block (5), and first fixed block (5) rotate with second telescopic link (6) and be connected.

6. The excavator walking frame of claim 5, wherein: one end of the second extension arm (2) is rotatably connected with a connecting block (23), and one end of the connecting block (23) is fixedly connected with a bucket (4).

7. The excavator walking frame of claim 6, wherein: the upper end fixedly connected with second pneumatic cylinder of second extension arm (2), the one end extension of second pneumatic cylinder is provided with first telescopic link (3), and first telescopic link (3) and bucket (4) rotate and are connected.

8. The excavator walking frame of claim 1, wherein: the devices connected with the front side and the rear side of the chassis (20) are completely the same.