Driving wheel for combined excavator track

Abstract

The utility model discloses a combined type driving wheel for an excavator crawler belt, relates to the technical field of driving wheels, and aims to solve the problems that in the prior art, as the weight borne by a driving wheel in the working process is large, a convex tooth in the middle is prone to being abraded and broken, and the replacement cost of the whole driving wheel is high. According to the scheme, the device comprises clamping tooth pieces distributed at equal intervals, a first combined wheel and a second combined wheel are arranged on the two sides of each clamping tooth piece respectively, and each of the first combined wheel and the second combined wheel comprises an inner ring and reinforcing ribs fixed to the annular outer wall of the inner ring at equal intervals. When the clamping tooth pieces are replaced, the fastening nuts are screwed off from the fastening bolts, so that connection between the first combined wheel and the second combined wheel is removed, then the second combined wheel is pulled out from one side of the first combined wheel, and the clamping tooth pieces distributed at equal intervals are exposed; and then the damaged latch piece is taken out for replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of driving wheels, in particular to a driving wheel for a combined excavator crawler. Background Art

[0002] The crawler track is a flexible chain link driven by the driving wheel and surrounding the driving wheel, road wheel, idler wheel and support wheel. The crawler track is composed of track shoes and track pins. The existing excavator driving wheel is used in daily use, mainly for driving the crawler chain to rotate. Specifically, the driving wheel is used to drive the crawler chain to operate, and the chassis on one side of the crawler track supports the weight of the excavator and converts the power transmitted by the driving wheel into traction to realize the movement of the whole machine.

[0003] During operation, the existing combined drive wheel carries a large weight, which causes the middle convex teeth to wear out and break easily, and the replacement of the entire drive wheel is very costly. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a combined excavator crawler drive wheel, which overcomes the shortcomings of the prior art and effectively solves the problem that the drive wheel in the prior art is prone to wear and breakage due to the large weight it carries during operation, and the cost of replacing the entire drive wheel is high.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A combined excavator crawler drive wheel comprises equidistantly distributed toothed parts, a first combined wheel and a second combined wheel are respectively arranged on both sides of the toothed parts, the first combined wheel and the second combined wheel both comprise an inner ring, reinforcing ribs equidistantly fixed on the annular outer wall of the inner ring, a connecting block fixed between two adjacent reinforcing ribs, and an outer ring fixed to an end of the reinforcing ribs away from the inner ring.

[0007] When replacing the engaging teeth, the connection between the first combination wheel and the second combination wheel is released by unscrewing the fastening nut from the fastening bolt, and then the second combination wheel is pulled out from one side of the first combination wheel to expose the engaging teeth distributed at equal distances, and then the damaged engaging teeth are taken out for replacement, and finally the mounting groove on the second combination wheel is aligned with the engaging teeth and inserted, and fastened with the fastening bolt and the fastening nut.

[0008] Preferably, the latching tooth member comprises a fixing block and a protruding tooth fixed to the top of the fixing block.

[0009] The clamping tooth component composed of a fixed block and a convex tooth is connected with the first combined wheel and the second combined wheel.

[0010] Preferably, the first combination wheel is inserted with fastening bolts distributed at equal distances, and one side of the second combination wheel is provided with fastening nuts distributed at equal distances, and the first combination wheel and the second combination wheel are fastened together by the fastening bolts and the fastening nuts.

[0011] The first combined wheel and the second combined wheel are fitted back to back, and then the first combined wheel and the second combined wheel are connected and fixed by fastening bolts and fastening nuts.

[0012] Preferably, the inner ring of the inner ring is provided with a connecting groove, and the connecting groove is connected to the driving shaft of the excavator.

[0013] After the inner ring is connected to the driving shaft of the excavator, the driving shaft can rotate the inner ring through the connecting groove.

[0014] Preferably, a fastening hole is formed on an outer wall of one side of the connecting block, and the inner diameter of the fastening hole is matched with the outer diameter of the fastening bolt.

[0015] Insert the fastening bolt into the fastening hole, and then screw the fastening nut and the fastening bolt to fix them.

[0016] Preferably, an outer wall on one side of the outer ring is provided with mounting grooves which are distributed at equal distances along a ring shape, and the specification of the mounting grooves is half of the specification of the latching tooth part.

[0017] The engaging teeth are inserted into the mounting groove of the outer ring in sequence, and then the first combined wheel and the second combined wheel are fitted together, so that the engaging teeth are fixed between the first combined wheel and the second combined wheel.

[0018] The beneficial effects of the utility model are:

[0019] When replacing the engaging teeth, the fastening nut is unscrewed from the fastening bolt to release the connection between the first combination wheel and the second combination wheel, and then the second combination wheel is pulled out from one side of the first combination wheel to expose the engaging teeth distributed at equal distances, and then the damaged engaging teeth are taken out for replacement, and finally the mounting groove on the second combination wheel is aligned with the engaging teeth and inserted, and fastened with the fastening bolt and the fastening nut, which effectively solves the problem in the prior art that the driving wheel is prone to wear and breakage due to the large weight it carries during operation, and the problem of high cost for replacing the entire driving wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a combined excavator crawler drive wheel proposed by the utility model;

[0021] Figure 2This is a schematic diagram of the combined wheel structure of a combined excavator crawler drive wheel proposed by the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the overall structure of a combined excavator crawler drive wheel.

[0023] In the figure: 1. Gear member; 2. Fixing block; 3. Protruding tooth; 4. First combination wheel; 5. Second combination wheel; 6. Fastening bolt; 7. Fastening nut; 8. Inner ring; 9. Connecting groove; 10. Reinforcing rib; 11. Connecting block; 12. Fastening hole; 13. Outer ring; 14. Mounting groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example:

[0026] Reference Figure 1-3 A combined excavator crawler drive wheel comprises a toothed member 1 which is distributed at equal distances, a first combined wheel 4 and a second combined wheel 5 are respectively arranged on both sides of the toothed member 1, and the first combined wheel 4 and the second combined wheel 5 each comprise an inner ring 8, reinforcing ribs 10 which are fixed at equal distances on the annular outer wall of the inner ring 8, a connecting block 11 which is fixed between two adjacent reinforcing ribs 10, and an outer ring 13 which is fixed to an end of the reinforcing rib 10 which is away from the inner ring 8;

[0027] The latching tooth member 1 includes a fixing block 2 and a convex tooth 3 fixed to the top of the fixing block 2. The latching tooth member 1 composed of the fixing block 2 and the convex tooth 3 is connected to the first combination wheel 4 and the second combination wheel 5. The first combination wheel 4 is plugged with fastening bolts 6 distributed at equal distances. One side of the second combination wheel 5 is provided with fastening nuts 7 distributed at equal distances. The first combination wheel 4 and the second combination wheel 5 are fastened together by the fastening bolts 6 and the fastening nuts 7. The first combination wheel 4 and the second combination wheel 5 are fitted back to back and then connected and fixed by the fastening bolts 6 and the fastening nuts 7.

[0028] The inner ring of the inner ring 8 is provided with a connecting groove 9, which is connected to the driving shaft of the excavator. After the inner ring 8 is connected to the driving shaft of the excavator, the driving shaft can rotate the inner ring 8 through the connecting groove 9. A fastening hole 12 is provided on the outer wall of one side of the connecting block 11. The inner diameter of the fastening hole 12 is matched with the outer diameter of the fastening bolt 6. The fastening bolt 6 is inserted into the fastening hole 12, and then the fastening nut 7 is screwed and fixed to the fastening bolt 6. The outer wall of one side of the outer ring 13 is provided with equidistantly distributed mounting grooves 14 along the ring. The specification of the mounting groove 14 is half of the specification of the toothed part 1. The toothed part 1 is inserted into the mounting groove 14 of the outer ring 13 in sequence, and then the first combination wheel 4 and the second combination wheel 5 are fitted together to fix the toothed part 1 between the first combination wheel 4 and the second combination wheel 5.

[0029] Working principle:

[0030] When replacing the engaging tooth part 1, the connection between the first combination wheel 4 and the second combination wheel 5 is released by unscrewing the fastening nut 7 from the fastening bolt 6, and then the second combination wheel 5 is pulled out from one side of the first combination wheel 4 to expose the engaging tooth parts 1 distributed at equal distances, and then the damaged engaging tooth part 1 is taken out for replacement, and finally the mounting groove 14 on the second combination wheel 5 is aligned with the engaging tooth part 1 and inserted, and fastened by the fastening bolt 6 and the fastening nut 7.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A combined excavator crawler drive wheel, comprising equidistantly distributed latching teeth (1), characterized in that: A first combination wheel (4) and a second combination wheel (5) are respectively arranged on both sides of the latching tooth member (1), and the first combination wheel (4) and the second combination wheel (5) both comprise an inner ring (8), reinforcing ribs (10) fixed at equal distances on the annular outer wall of the inner ring (8), a connecting block (11) fixed between two adjacent reinforcing ribs (10), and an outer ring (13) fixed to an end of the reinforcing ribs (10) away from the inner ring (8).

2. A combined excavator crawler drive wheel according to claim 1, characterized in that: The latching tooth component (1) comprises a fixing block (2) and a protruding tooth (3) fixed to the top of the fixing block (2).

3. The combined excavator crawler drive wheel according to claim 1, characterized in that: The first combination wheel (4) is plugged with fastening bolts (6) distributed at equal distances, and one side of the second combination wheel (5) is provided with fastening nuts (7) distributed at equal distances, and a fastening fit is formed between the first combination wheel (4) and the second combination wheel (5) through the fastening bolts (6) and the fastening nuts (7).

4. The combined excavator crawler drive wheel according to claim 1, characterized in that: The inner ring (8) is provided with a connecting groove (9), and the connecting groove (9) is connected to the driving shaft of the excavator.

5. The combined excavator crawler drive wheel according to claim 3, characterized in that: A fastening hole (12) is provided on an outer wall of one side of the connection block (11), and the inner diameter of the fastening hole (12) is matched with the outer diameter of the fastening bolt (6).

6. The combined excavator crawler drive wheel according to claim 1, characterized in that: An outer wall on one side of the outer ring (13) is provided with mounting grooves (14) distributed at equal distances along a ring shape, and the specification of the mounting grooves (14) is half of the specification of the latching tooth part (1).

Images