Adjustable movable bucket lug sleeve for excavator bucket

Abstract

The utility model belongs to the field of engineering machinery, particularly relates to an adjustable movable bucket lug sleeve for an excavator bucket, and aims to solve the problems that the conventional bucket lug sleeve is integrally formed and is directly welded, the whole bucket lug sleeve needs to be cut off to be welded and corrected again when the bucket lug sleeve needs to be maintained due to subsequent abrasion, and even the whole bucket needs to be replaced, so that the cost is higher. According to the scheme, the excavator bucket comprises an excavator bucket, and a first bucket lug sleeve and a second bucket lug sleeve which are fixedly arranged on the two sides of the outer wall of the excavator bucket correspondingly; the adjusting mechanism is used for adjusting the gap between the earcap and the forearm horse puller, the adjusting mechanism is arranged on the side edge of the second bucket earcap, the adjusting mechanism comprises a side ring, a fastening ring, two fixing rings and an adjusting piece, and by arranging the adjusting piece, when abrasion occurs, the number of annular gaskets of the adjusting piece can be adjusted, and the forearm horse puller can be adjusted to be in a closed state. And a gap caused by abrasion is adjusted, so that impact sound and the influence during use are avoided, and the effect of prolonging the service life is achieved.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery technology, and in particular to an adjustable movable bucket ear cover for excavator buckets. Background Technology

[0002] The front attachment bucket lugs of most excavators on the market are connected between the two bucket lugs, which is where the front end of the excavator's boom is placed. After long-term operation, wear will occur between the two, causing the gap between the boom and the bucket lugs to widen. This will produce an impact sound during construction, affecting the excavator's construction efficiency and increasing its fuel consumption. This will reduce the service life of the excavator's front end, and in severe cases, the front attachment bucket and the front end of the excavator's boom will need to be replaced. This directly increases the cost for excavator users.

[0003] Traditional bucket ear covers are all molded in one piece and welded directly. When wear and tear occurs and repairs are needed, the entire bucket ear cover needs to be cut off and re-welded and corrected. In some cases, the entire bucket needs to be replaced, which is costly. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that the bucket ear cover in the existing technology is a one-piece molded and directly welded. When wear and tear occurs and repair is needed, the entire bucket ear cover needs to be cut off and re-welded and corrected. In some cases, the entire bucket needs to be replaced, which is costly. Therefore, an adjustable movable bucket ear cover for excavator buckets is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An adjustable bucket lug for an excavator bucket includes a bucket and a first bucket lug and a second bucket lug respectively fixedly disposed on both sides of the outer wall of the bucket.

[0007] An adjustment mechanism is used to adjust the gap between the ear cover and the forearm head. The adjustment mechanism is located on the side of the No. 2 ear cover. The adjustment mechanism includes a side ring, a fastening ring, two fixing rings, and an adjustment component. The two fixing rings are respectively fixed on both sides of the No. 2 ear cover. The adjustment component is located on one side of one of the fixing rings. A No. 1 inner ring is fixedly installed on one side of the side ring, and one end of the No. 1 inner ring is inserted into the interior of the adjustment component through the fixing ring and the No. 2 ear cover. A No. 2 inner ring is fixedly installed on one side of the fastening ring, and one end of the No. 2 inner ring is inserted into the interior of the adjustment component and cooperates with one end of the No. 1 inner ring.

[0008] A protective mechanism, used to ensure the stability of the ear cup adjustment, is disposed on the outer wall of the fastening ring.

[0009] In one possible design, the adjusting element consists of multiple annular gaskets.

[0010] In one possible design, the adjusting mechanism further includes multiple bolts, and the fastening ring, multiple annular washers, and the fixing ring near the annular washers are all provided with multiple mounting holes, and the bolts cooperate with multiple mounting holes in the same row.

[0011] In one possible design, four bolts are provided, and five annular washers are provided for the adjusting member.

[0012] In one possible design, the protective mechanism includes a fixing sleeve that fits over the outer wall of a fastening ring. At least one locking block is fixedly provided on the outer wall of the fastening ring. At least one slot is provided at the bottom of the fixing sleeve. A slot is provided on one side of the inner wall of the slot, and the locking block is interference-fitted with the slot and the slot.

[0013] In one possible design, a side groove is provided on the inner wall of the other side of the slot, and a sloping block is slidably arranged inside the side groove, with one end of the sloping block extending into the interior of the slot. A compression spring is provided inside the side groove, and the two ends of the compression spring are respectively fixedly arranged on one side of the inner wall of the side groove and one side of the sloping block.

[0014] In one possible design, the protective mechanism further includes a side cover, the bottom of which is fixedly provided with at least one insert rod. The inside of the fixing sleeve is provided with at least one inner cavity. The bottom end of the insert rod passes through the inner cavity and extends into the inside of the slot. The bottom end of the insert rod is set as a bevel. A ring is fixedly sleeved on the outer wall of the insert rod inside the inner cavity. A second compression spring is sleeved on the outer wall of the insert rod, and the two ends of the second compression spring are respectively fixedly provided on the top inner wall of the inner cavity and the top of the ring. The top of the slot is provided with an insertion hole, and the insert rod cooperates with the insertion hole.

[0015] In this application, during actual use, when the front end of the excavator boom is worn, simply loosen the bolts to release the fixing of multiple annular washers and fastening rings, remove an appropriate number of annular washers, and then re-fix the fastening rings and the remaining annular washers with bolts. At this time, due to the reduction in the number of annular washers, the second inner ring on one side of the fastening ring will move closer to the side ring, and the second inner ring will press against the first inner ring, causing the side ring to move, thereby allowing the side ring to press against the front end of the excavator boom, thus achieving the effect of adjusting the clearance. By pulling the side cover, the side cover moves the insert rod, disengaging it from the insertion hole. The retaining sleeve can then be rotated. As the retaining sleeve rotates, the internal inclined block contacts the locking block, which is then compressed to ensure the locking block enters the slot. The retaining sleeve can then be removed, and the inclined block is reset by the first compression spring, exposing the bolts on the fastening ring surface for adjustment. Conversely, simply fasten the retaining sleeve to the outer wall of the fastening ring; the locking block will be pushed by the inclined surface, allowing it to smoothly enter the slot. Rotating the retaining sleeve then causes the locking block to compress the insert rod, moving it into the slot. The insert rod is then reset by the second compression spring, locking it into the insertion hole, completing the installation. The retaining sleeve's internal cover prevents the bolts from moving and is protected from external contact, ensuring stability.

[0016] In this utility model, the adjustable movable bucket ear cover for excavator buckets, through multiple annular shims, can achieve fine adjustment of the distance between the ear cover and the forearm pull head by adjusting the number of annular shims, ensuring the stability of the bucket, thereby achieving the effect of quick replacement, increasing efficiency, and saving more labor and after-sales costs.

[0017] In this utility model, the adjustable movable bucket ear cover for excavator buckets, through a protective mechanism, can protect the bolts in the adjustment mechanism, thereby preventing them from being exposed to the outside and being affected by external factors, which could lead to displacement and loosening.

[0018] In this invention, during use, the adjustable component allows for adjustment of the number of annular shims on the adjustable component when wear occurs, thereby adjusting the gap caused by wear, thus avoiding impact noise and the impact during use, and achieving the effect of increasing service life. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the planar structure of an adjustable movable bucket lug for an excavator bucket according to the present invention;

[0020] Figure 2 This is a planar exploded structural diagram of an adjustable movable bucket lug for an excavator bucket proposed in this utility model;

[0021] Figure 3 This is a three-dimensional exploded view of an adjustable movable bucket ear cover for an excavator bucket proposed in this utility model;

[0022] Figure 4 This is a three-dimensional structural schematic diagram of an adjustable movable bucket ear cover protective mechanism for an excavator bucket proposed in this utility model;

[0023] Figure 5 This is a cross-sectional structural diagram of an adjustable movable bucket ear cover protective mechanism for an excavator bucket proposed in this utility model.

[0024] In the diagram: 1. Bucket; 2. Bucket Ear Cover No. 1; 3. Bucket Ear Cover No. 2; 4. Inner Ring No. 1; 5. Side Ring; 6. Fixing Ring; 7. Annular Washer; 8. Fastening Ring; 9. Bolt; 10. Inner Ring No. 2; 11. Mounting Hole; 12. Locking Block; 13. Fixing Sleeve; 14. Side Cover; 15. Insertion Hole; 16. Slot; 17. Side Groove; 18. Compression Spring No. 1; 19. Inclined Block; 20. Inserting Rod; 21. Inner Cavity; 22. Circular Ring; 23. Locking Groove; 24. Compression Spring No. 2. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Example 1

[0027] Reference Figure 1-3 An adjustable bucket lug sleeve includes: a bucket 1 and a first bucket lug sleeve 2 and a second bucket lug sleeve 3, which are respectively fixedly disposed on both sides of the outer wall of the bucket 1. The first bucket lug sleeve 2 and the second bucket lug sleeve 3 are respectively fixedly disposed on the outer walls of both sides of the bucket 1 for connecting with the forearm head of the excavator.

[0028] An adjustment mechanism is provided on the side of the No. 2 bucket ear sleeve 3. This mechanism is used to adjust the gap between the ear sleeve and the forearm horse head to ensure a more secure connection between the bucket 1 and the forearm horse head. The adjustment mechanism includes a side ring 5, a fastening ring 8, two fixing rings 6, and an adjusting component. The two fixing rings 6 are respectively fixed on both sides of the No. 2 bucket ear sleeve 3, and the adjusting component is located on one side of one of the fixing rings 6. A No. 1 inner ring 4 is fixedly installed on one side of the side ring 5. One end of the No. 1 inner ring 4 is inserted into the interior of the adjusting component through the fixing ring 6 and the No. 2 bucket ear sleeve 3. A No. 2 inner ring 10 is fixedly installed on one side of the fastening ring 8. One end of the No. 2 inner ring 10 is also inserted into the interior of the adjusting component and cooperates with one end of the No. 1 inner ring 4.

[0029] The adjusting component consists of multiple annular shims 7. The effect of subsequent adjustment is achieved by adjusting the number of annular shims 7.

[0030] The adjusting mechanism also includes multiple bolts 9. Multiple mounting holes 11 are provided on the fastening ring 8, multiple annular washers 7, and the fixing ring 6 near the annular washers 7. The bolts 9 mate with the adjacent mounting holes 11 in the same row. There are four bolts 9 and five annular washers 7. The thickness of the annular washers 7 is 1-2 mm, and can be adjusted according to actual needs.

[0031] Specifically, when the excavator boom front end pull head wears, simply loosen bolt 9 to release the fixing of multiple annular washers 7 and fastening ring 8, remove an appropriate number of annular washers 7, and then re-fix the fastening ring 8 and the remaining annular washers 7 with bolt 9. At this time, due to the reduction in the number of annular washers 7, the second inner ring 10 on one side of the fastening ring 8 will move closer to the side ring 5. The second inner ring 10 will press against the first inner ring 4, causing the side ring 5 to move, thereby allowing the side ring 5 to press against the excavator boom front end pull head, thus achieving the effect of adjusting the clearance.

[0032] This application can be used in the field of engineering machinery, or in other fields applicable to this application.

[0033] Example 2

[0034] refer to Figure 4-5 An improvement based on Embodiment 1: An adjustable movable bucket lug for an excavator bucket, applied in the field of construction machinery, includes a protective mechanism on the outer wall of the fastening ring 8 to ensure the stability of the adjustment mechanism. The protective mechanism includes a fixing sleeve 13, which fits onto the outer wall of the fastening ring 8 to prevent the threaded 9 from contacting the external environment and to prevent displacement of the bolt 9. At least one locking block 12 is fixedly provided on the outer wall of the fastening ring 8. At least one slot 16 is provided at the bottom of the fixing sleeve 13, and a groove 23 is provided on one inner wall of the slot 16. The locking block 12 cooperates with the slot 16 and the groove 23.

[0035] A side groove 17 is formed on the inner wall of the other side of the slot 16. An inclined block 19 is slidably disposed inside the side groove 17, and one end of the inclined block 19 extends into the interior of the slot 16. A compression spring 18 is disposed inside the side groove 17, and the two ends of the compression spring 18 are respectively fixedly disposed on one side of the inner wall of the side groove 17 and one side of the inclined block 19.

[0036] The protective mechanism also includes a side cover 14, at least one insert rod 20 is fixedly disposed at the bottom of the side cover 14, and at least one inner cavity 21 is opened inside the fixing sleeve 13. The bottom end of the insert rod 20 passes through the inner cavity 21 and extends into the inside of the slot 23. The bottom end of the insert rod 20 is set as a bevel.

[0037] Specifically, by pulling the side cover 14, the side cover 14 moves the insertion rod 20, disengaging it from the inside of the insertion hole 15. At this time, the fixing sleeve 13 can be rotated. When the fixing sleeve 13 rotates, the inclined block 19 inside will touch the locking block 12. At this time, the inclined block 19 will be compressed to ensure that the locking block 12 enters the inside of the slot 16. Then the fixing sleeve 13 can be removed, and the inclined block 19 is reset by the first compression spring 18, thereby exposing the bolt 9 on the surface of the fastening ring 8 for adjustment. Conversely, simply remove the fixing sleeve 13. 3. When fastened to the outer wall of the fastening ring 8, the locking block 12 will push the inclined block 19 to move through the inclined surface, so that the locking block 12 can smoothly enter the interior of the slot 16. Then, by rotating the fixing sleeve 13, the locking block 12 will press the insertion rod 20 through the inclined surface to move, so that the locking block 12 can enter the interior of the slot 23. Then, the insertion rod 20 will be reset by the second compression spring 24 to lock into the interior of the insertion hole 15, thus realizing the installation. The bolt 9 is covered by the interior of the fixing sleeve 13, so that it cannot move and is not touched by the outside, thereby ensuring stability.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An adjustable movable bucket lug for an excavator bucket, characterized in that, include: The bucket (1) and the No. 1 bucket ear sleeve (2) and the No. 2 bucket ear sleeve (3) are respectively fixed on both sides of the outer wall of the bucket (1); An adjustment mechanism is used to adjust the gap between the ear cover and the forearm head. The adjustment mechanism is set on the side of the second ear cover (3). The adjustment mechanism includes a side ring (5), a fastening ring (8), two fixing rings (6) and an adjustment member. The two fixing rings (6) are respectively fixed on both sides of the second ear cover (3). The adjustment member is located on one side of one of the fixing rings (6). A first inner ring (4) is fixed on one side of the side ring (5), and one end of the first inner ring (4) is inserted into the interior of the adjustment member through the fixing ring (6) and the second ear cover (3). A second inner ring (10) is fixed on one side of the fastening ring (8), and one end of the second inner ring (10) is inserted into the interior of the adjustment member and cooperates with one end of the first inner ring (4). A protective mechanism is provided to ensure the stability of the earmuff adjustment, and the protective mechanism is located on the outer wall of the fastening ring (8).

2. The adjustable movable bucket lug for an excavator bucket according to claim 1, characterized in that, The adjusting element consists of multiple annular gaskets (7).

3. The adjustable movable bucket lug for an excavator bucket according to claim 2, characterized in that, The adjustment mechanism also includes multiple bolts (9), and the fastening ring (8), multiple annular washers (7) and the fixing ring (6) near the annular washers (7) are all provided with multiple mounting holes (11), and the bolts (9) cooperate with the multiple mounting holes (11) in the same row.

4. An adjustable movable bucket lug for an excavator bucket according to claim 3, characterized in that, Four bolts (9) are provided, and five annular washers (7) of the adjusting member are provided.

5. An adjustable movable bucket lug for an excavator bucket according to claim 3, characterized in that, The protective mechanism includes a fixing sleeve (13), which is fitted onto the outer wall of the fastening ring (8). At least one locking block (12) is fixedly provided on the outer wall of the fastening ring (8). At least one slot (16) is provided at the bottom of the fixing sleeve (13). A slot (23) is provided on one side of the inner wall of the slot (16), and the locking block (12) is press-fitted with the slot (16) and the slot (23).

6. An adjustable movable bucket lug for an excavator bucket according to claim 5, characterized in that, A side groove (17) is provided on the inner wall of the other side of the slot (16). A sloping block (19) is slidably arranged inside the side groove (17), and one end of the sloping block (19) extends into the interior of the slot (16). A compression spring (18) is provided inside the side groove (17), and the two ends of the compression spring (18) are respectively fixedly arranged on one side of the inner wall of the side groove (17) and one side of the sloping block (19).

7. An adjustable movable bucket lug for an excavator bucket according to claim 6, characterized in that, The protective mechanism also includes a side cover (14), at least one insert rod (20) is fixedly provided at the bottom of the side cover (14), at least one inner cavity (21) is opened inside the fixed sleeve (13), the bottom end of the insert rod (20) passes through the inner cavity (21) and extends into the inside of the slot (23), the bottom end of the insert rod (20) is set as a slope, a ring (22) is fixedly sleeved on the outer wall of the insert rod (20) inside the inner cavity (21), a second compression spring (24) is sleeved on the outer wall of the insert rod (20), and the two ends of the second compression spring (24) are respectively fixedly set on the top inner wall of the inner cavity (21) and the top of the ring (22), and an insertion hole (15) is opened on the top of the card block (12), and the insert rod (20) cooperates with the insertion hole (15).

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