CN217048840U

CN217048840U - Crawler travel driving device of excavator

Info

Publication number: CN217048840U
Application number: CN202220702256.7U
Authority: CN
Inventors: 李良波
Original assignee: Ningbo Jinheng Machinery Manufacturing Co ltd
Current assignee: Ningbo Jinheng Machinery Manufacturing Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-26
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a crawler travel driving device of excavator relates to excavator technical field, comprising a base plate, the bilateral symmetry fixedly connected with mounting bracket of bottom plate, the inside movable mounting of mounting bracket has the drive wheel, and is a plurality of the surface laminating of drive wheel is connected with the track, and is a plurality of the one end fixedly connected with connecting band of track is kept away from to the drive wheel, the bilateral symmetry fixedly connected with centre piece of bottom plate, two the bilateral symmetry fixedly connected with backup pad of centre piece. The utility model discloses, the adjustment tank through maincenter piece both sides makes first buffering post to the top and the bottom sprag of a plurality of limiting plates, through second buffering post to the outside top and the bottom sprag of balancing plate, makes balancing plate internally mounted's side position wheel keep the level, drives rotation axis through double-end motor, drives drive wheel and track rotation through the connecting band, makes excavator walking shift position.

Description

Crawler travel driving device of excavator

Technical Field

The utility model relates to an excavator technical field, more specifically are track travel drive who relates to an excavator.

Background

The hydraulic excavator is a multifunctional machine, is widely applied to mechanical construction of hydraulic engineering, transportation, electric power engineering, mine excavation and the like, plays a very important role in reducing heavy physical labor, ensuring engineering quality, accelerating construction speed and improving labor productivity, generally travels through a crawler belt, increases the contact area with the ground through the crawler belt, reduces the pressure of the hydraulic excavator on the ground, and can move on various complex terrains.

In chinese utility model patent application no: CN202121987379.1 discloses an excavator running gear lifting mechanism, including main part, driving motor and equipment box and lifting unit, fixed mounting has driving motor on the inner wall of main part both sides, the inside equipment box that is provided with of main part, and the opening has been seted up to the main part bottom, and the equipment box passes through opening protrusion in the main part lower surface, and the inside lifting unit that is provided with of equipment box for lift the main part. This excavator running gear lifting mechanism, the track slips in silt when excavating silt, is difficult to get off one's body, can not regulate and control the track in hollow highway section, and the excavator chassis is difficult for lifting a take the altitude, and the track is less with the frictional force on ground, can not cushion gravel and sand below the track, makes it travel out.

Therefore, it is necessary to provide a crawler driving apparatus for an excavator to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide an: in order to solve excavator running gear lifting mechanism, the track is absorbed in the silt and skids when digging the silt, is difficult to take off, can not regulate and control the track in hollow highway section, and the excavator chassis is difficult for lifting a take the altitude, and the track is less with the frictional force on ground, can not fill up gravel and sand below the track, makes its problem that can go out, the utility model provides an excavator running gear lifting mechanism.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a track walking drive of excavator, includes the bottom plate, the bilateral symmetry fixedly connected with mounting bracket of bottom plate, the inside movable mounting of mounting bracket has the drive wheel, and is a plurality of the surface laminating of drive wheel is connected with the track, and is a plurality of the one end fixedly connected with connecting band of track is kept away from to the drive wheel, the bilateral symmetry fixedly connected with centre piece of bottom plate, two the bilateral symmetry fixedly connected with backup pad of centre piece, it is a plurality of the inner wall swing joint of backup pad has the median wheel, the surface of median wheel and the interior surface laminating of track are connected.

Furthermore, two the bilateral symmetry of center piece has seted up the adjustment tank, the inside symmetry laminating of adjustment tank is connected with the limiting plate.

Further, it is a plurality of the top and the bottom symmetry of limiting plate articulate there is first cushion column, and is a plurality of the limiting plate is kept away from the one end of adjustment tank and is articulated to have the balance plate.

Furtherly, it is a plurality of the inner wall movable mounting of balance plate has the side wheel, and is a plurality of the one end top and the bottom symmetry that the limiting plate was kept away from to the balance plate articulate there is the second bumping post.

Further, the inside bilateral symmetry fixedly connected with double-end motor of bottom plate, two double-end motor's outside output shaft tip fixedly connected with and the rotation axis that the connecting band laminating is connected.

Further, two one side output shaft end fixedly connected with first skewed tooth that the rotation axis was kept away from to double-end motor.

Furthermore, the inside of bottom plate is located the top symmetry of first skewed tooth and has seted up the spout, two the inside laminating of spout is connected with the lug.

Furthermore, the bottoms of the two bumps are fixedly connected with second helical teeth, one side of each second helical tooth is meshed with the outer side of the top end of each first helical tooth, and the inner walls of the second helical teeth are in threaded connection with threaded shafts.

Furthermore, the bottom bilateral symmetry of bottom plate has seted up and has accomodate the chamber, two accomodate the inside in chamber and the top laminating of screw thread axle and be connected.

Furthermore, stable shafts are movably mounted at the bottoms of the two threaded shafts, and direction adjusting plates are fixedly connected to the bottoms of the two stable shafts.

(III) advantageous effects

The beneficial effects of the utility model are as follows:

1. the utility model discloses, install the drive wheel through the mounting bracket around the bottom plate both sides, make the drive wheel prop up the track with the both sides bottom and the ground laminating of track, connect through the connecting band and shift out two drive wheels, install the top and the bottom at the center piece with the meso position wheel through the backup pad, support the inside middle-end of track.

2. The utility model discloses, the adjustment tank through maincenter piece both sides is to the one end installation location of limiting plate, makes first buffering post to the top and the bottom sprag of a plurality of limiting plates, through second buffering post to the outside top and the bottom sprag of balancing plate, makes balancing plate internally mounted's side position wheel keep the level, drives rotation axis through double-end motor, drives drive wheel and track rotation through the connecting band, makes excavator walking shift position.

3. The utility model discloses, it is spacing to the top of lug through the spout, it is rotatory to drive first skewed tooth through double-end motor, it makes the second skewed tooth rotatory in the bottom of spout to link the second skewed tooth, through the inside thread groove and the threaded spindle of second skewed tooth, it goes up and down to drive the threaded spindle and take in intracavity portion, be convenient for when being absorbed in muddy pot hole on one side of the track, move down and transfer the board, make the bottom plate bottom raise, fill into the track bottom with stone or gravel, avoid excavator stop movement, reduce the efficiency of construction.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic perspective sectional view of the structure of the present invention;

FIG. 3 is a schematic side sectional view of the structure of the present invention;

fig. 4 is an enlarged schematic view of the structure of region a in fig. 3 according to the present invention.

Reference numerals are as follows: 1. a base plate; 2. a mounting frame; 3. a driving wheel; 5. a crawler; 6. a connecting belt; 7. a central pivot block; 8. a support plate; 9. a middle wheel; 10. an adjustment groove; 11. a limiting plate; 12. a first buffer column; 13. a balance plate; 14. a side wheel; 15. a second buffer column; 16. a double-headed motor; 17. a rotating shaft; 18. a first helical tooth; 19. a chute; 20. a bump; 21. a second helical tooth; 22. a threaded shaft; 23. a receiving cavity; 24. a stabilizing shaft; 25. and (7) a direction adjusting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

Referring to fig. 1-4, a crawler travel driving device of an excavator comprises a base plate 1, two bilaterally symmetrical and fixedly connected mounting frames 2 of the base plate 1, driving wheels 3 movably mounted inside the mounting frames 2, a plurality of driving wheels 3 are connected with a crawler 5 in an attached manner on the outer surfaces of the driving wheels, one ends of the driving wheels 3 far away from the crawler 5 are fixedly connected with connecting belts 6, two bilaterally symmetrical and fixedly connected with center blocks 7 of the base plate 1, two bilaterally symmetrical and fixedly connected with supporting plates 8 of the center blocks 7, inner walls of the supporting plates 8 are movably connected with center wheels 9, and the outer surfaces of the center wheels 9 are connected with the inner surfaces of the crawler 5 in an attached manner.

In this embodiment, install drive wheel 3 around 1 both sides of bottom plate through mounting bracket 2, make drive wheel 3 prop up track 5 with the both sides bottom and the ground laminating of track 5, connect through connecting band 6 and shift out two drive wheels 3, install the top and the bottom at center piece 7 with neutral wheel 9 through backup pad 8, support the inside middle-end of track 5, make neutral wheel 9 support the middle-end of track 5, avoid long-time use track 5 to break away from drive wheel 3.

Example 2

Referring to fig. 1 to 4, the present embodiment is further optimized on the basis of embodiment 1, specifically, two sides of two center blocks 7 are symmetrically provided with adjusting grooves 10, the insides of the adjusting grooves 10 are symmetrically attached and connected with limiting plates 11, and one end of each limiting plate 11 is fixedly connected with a limiting rod matched with the adjusting groove 10.

Specifically, the top and the bottom symmetry of a plurality of limiting plates 11 articulate there is first bumping post 12, and the one end that a plurality of limiting plates 11 kept away from adjustment tank 10 articulates there is balance plate 13.

Specifically, the inner wall movable mounting of a plurality of balance plates 13 has side wheel 14, and the one end top and the bottom symmetry that limiting plate 11 was kept away from to a plurality of balance plates 13 articulate there is second bumping post 15, and first bumping post 12 and second bumping post 15 have and support absorbing effect to balance plate 13 both ends, make balance plate 13's both ends keep level.

Specifically, two double-headed motors 16 are symmetrically and fixedly connected to two sides of the inner portion of the bottom plate 1, and rotating shafts 17 which are attached to the connecting belt 6 are fixedly connected to end portions of output shafts on the outer sides of the two double-headed motors 16.

In this embodiment, the one end installation location of limiting plate 11 is fixed a position to the regulation groove 10 through pivot piece 7 both sides, makes first cushion column 12 to the top and the bottom sprag of a plurality of limiting plates 11, and through second cushion column 15 to the outside top and the bottom sprag of balancing plate 13, makes balancing plate 13 internally mounted's side position wheel 14 keep the level, drives rotation axis 17 through double-end motor 16 and rotates, drives drive wheel 3 and track 5 through connecting band 6 and rotates, makes excavator walking shift position.

Example 3

Referring to fig. 1-4, the present embodiment is optimized based on the

embodiment

1 or 2, specifically, the end portions of the output shafts of the two double-head motors 16 far from the rotating shaft 17 are fixedly connected with first helical teeth 18.

Specifically, the inside of the bottom plate 1 is located at the top of the first helical tooth 18 and symmetrically provided with sliding grooves 19, the insides of the two sliding grooves 19 are attached to and connected with a bump 20, and the sliding grooves 19 have the top limit effect on the bump 20.

Specifically, the bottoms of the two bumps 20 are fixedly connected with second helical teeth 21, one side of each second helical tooth 21 is meshed with the outer side of the top end of each first helical tooth 18, the inner wall of each second helical tooth 21 is in threaded connection with a threaded shaft 22, and a threaded groove matched with the threaded shaft 22 is formed in each second helical tooth 21.

Specifically, the bottom bilateral symmetry of bottom plate 1 has been seted up and has been accomodate chamber 23, and two inside and the top laminating of threaded shaft 22 of accomodating chamber 23 are connected, and two threaded shaft 22's bottom movable mounting has stabilizing shaft 24, and two stabilizing shaft 24's bottom fixedly connected with is transferred to board 25, and the bottom of bottom plate 1 is seted up and is transferred to the groove of accomodating of board 25 looks adaptation.

In this embodiment, it is spacing to the top of lug 20 through spout 19, it is rotatory to drive first skewed tooth 18 through double-end motor 16, linkage second skewed tooth 21 makes second skewed tooth 21 rotatory in the bottom of spout 19, connect through the inside thread groove of second skewed tooth 21 and screw shaft 22, it goes up and down to drive screw shaft 22 and accomodate 23 inside chambeies, be convenient for when 5 one side of track is absorbed in the muddy pot hole, the downward movement transfers to board 25, make bottom plate 1 bottom rise, fill in track 5 bottom with stone or gravel, avoid the excavator stop motion, reduce the efficiency of construction.

In summary, the following steps: the utility model discloses, install drive wheel 3 around bottom plate 1 both sides through mounting bracket 2, make drive wheel 3 prop up track 5 and laminate both sides bottom and ground of track 5, move out two drive wheels 3 through connecting band 6 connection, install median wheel 9 at the top and bottom of pivot piece 7 through backup pad 8, support the inside middle-end of track 5, install the location to one end of limiting plate 11 through adjustment tank 10 of pivot piece 7 both sides, make first cushion post 12 support the top and the bottom of a plurality of limiting plates 11, support the outside top and the bottom of balancing plate 13 through second cushion post 15, make side position wheel 14 of the inside installation of balancing plate 13 keep the level, drive rotation axis 17 through double-end motor 16 and rotate, drive wheel 3 and track 5 through connecting band 6 and rotate, make the excavator walking shift position, limit the top of lug 20 through spout 19, drive first skewed tooth 18 rotatory through double-end motor 16, linkage second skewed tooth 21 makes second skewed tooth 21 rotatory in the bottom of spout 19, connect through the inside thread groove of second skewed tooth 21 and screw shaft 22, drive screw shaft 22 and in accomodating 23 inside lifts, be convenient for when being absorbed in muddy pot hole in track 5 one side, the downstream is transferred to board 25, make bottom plate 1 bottom rise, fill into track 5 bottom with stone or grit, avoid the excavator stop motion, reduce the efficiency of construction.

Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a crawler travel drive of excavator, includes bottom plate (1), its characterized in that: the bilateral symmetry fixedly connected with mounting bracket (2) of bottom plate (1), the inside movable mounting of mounting bracket (2) has drive wheel (3), and is a plurality of the surface laminating of drive wheel (3) is connected with track (5), and is a plurality of the one end fixedly connected with connecting band (6) of track (5) are kept away from in drive wheel (3), the bilateral symmetry fixedly connected with centre piece (7) of bottom plate (1), two the bilateral symmetry fixedly connected with backup pad (8) of centre piece (7), it is a plurality of the inner wall swing joint of backup pad (8) has median wheel (9), the surface of median wheel (9) and the interior surface laminating of track (5) are connected.

2. The crawler travel drive unit of an excavator according to claim 1, wherein: two the bilateral symmetry of center piece (7) has seted up adjustment tank (10), the inside symmetry laminating of adjustment tank (10) is connected with limiting plate (11).

3. The crawler travel drive apparatus of an excavator according to claim 2, wherein: the top and the bottom of the limiting plate (11) are symmetrically hinged with a first buffer column (12), and the limiting plate (11) far away from one end of the adjusting groove (10) is hinged with a balance plate (13).

4. The crawler travel drive apparatus of an excavator according to claim 3, wherein: a plurality of the inner wall movable mounting of balance plate (13) has side wheel (14), and is a plurality of the one end top and the bottom symmetry that limiting plate (11) were kept away from in balance plate (13) articulate there is second bumping post (15).

5. The crawler travel drive unit of an excavator according to claim 4, wherein: the inside bilateral symmetry fixedly connected with double-end motor (16) of bottom plate (1), two the outside output shaft tip fixedly connected with of double-end motor (16) and rotation axis (17) that connecting band (6) laminating is connected.

6. The crawler travel drive apparatus of an excavator according to claim 5, wherein: two one side output shaft end fixedly connected with first skewed tooth (18) that rotation axis (17) was kept away from in double-end motor (16).

7. The crawler travel drive apparatus of an excavator according to claim 6, wherein: the top that the inside of bottom plate (1) is located first skewed tooth (18) has seted up spout (19) symmetrically, two the inside laminating of spout (19) is connected with lug (20).

8. The crawler travel drive apparatus of an excavator according to claim 7, wherein: the bottoms of the two lugs (20) are fixedly connected with second helical teeth (21), one side of each second helical tooth (21) is meshed with the outer side of the top end of each first helical tooth (18), and the inner wall of each second helical tooth (21) is in threaded connection with a threaded shaft (22).

9. The crawler travel drive apparatus of an excavator according to claim 8, wherein: storage cavities (23) are symmetrically formed in two sides of the bottom plate (1), and the interior of each storage cavity (23) is connected with the top of the corresponding threaded shaft (22) in an attaching mode.

10. The crawler travel drive unit of an excavator according to claim 9, wherein: stabilizing shafts (24) are movably mounted at the bottoms of the two threaded shafts (22), and direction adjusting plates (25) are fixedly connected to the bottoms of the two stabilizing shafts (24).