CN210797688U - Shock-absorbing bucket of excavator - Google Patents

Abstract

The utility model relates to an excavator shock attenuation type scraper bowl, including setting up two align to grid's earmuffs in the scraper bowl top, two be connected with the jib between the earmuff, the earmuff in-connection has the snubber ring, and the interior circumference of snubber ring is gone up and is slided and is equipped with a plurality of snubber blocks, is connected with between snubber block and the snubber ring and is used for the absorbing elastic component, and snubber block front end and jib butt are articulated mutually between snubber block and the snubber block, are equipped with on the snubber block to be used for absorbing damper. It has the effect that can increase damper's wear resistance.

Description

Shock-absorbing bucket of excavator

Technical Field

The utility model belongs to the technical field of the technique of excavator and specifically relates to an excavator shock attenuation type scraper bowl is related to.

Background

The excavator plays a very important role in modern industry and agriculture, and a lot of things which cannot be handled by manpower can be well completed by using the excavator, so that the excavator bucket is an indispensable part in modern society.

The prior art that a present bulletin number is CN208183851U discloses an excavator shock attenuation type scraper bowl, including earmuff and wallboard, the lower extreme external fixed surface of earmuff installs the otic placode, the lower extreme surface one side fixed mounting of otic placode has the wrapper sheet, surface one side fixed mounting of wrapper sheet has the side edge, the bottom external fixed surface of side edge installs the lateral part antifriction plate, surface one side fixed mounting of lateral part antifriction plate has the wallboard, the lower extreme external fixed surface of wallboard installs the bottom antifriction plate. The shockproof layer is arranged in the ear muffs. The shock-proof layer can reduce the shock and noise generated in the operation process of the excavator.

The above prior art has the following problems: the shockproof layer is arranged in the ear cap, and the main material of the shockproof layer is replaceable rubber. Although the shock attenuation effect of rubber is good, when excavating or demolising the work, rubber can constantly wear and tear, and then leads to the shock attenuation effect variation of scraper bowl, can't carry out normal shock attenuation work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an excavator shock attenuation type scraper bowl, it has the effect that can increase damper's degree of wear.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an excavator shock-proof type scraper bowl, is including setting up two align to grid's earmuff in the scraper bowl top, two be connected with the jib between the earmuff, the earmuff in-connection has the damping ring, it is equipped with a plurality of snubber blocks to slide on the inner circumference face of snubber ring, be connected with between snubber block and the damping ring and be used for absorbing elastic component, snubber block front end and jib butt, it is articulated mutually between snubber block and the snubber block, be equipped with on the snubber block and be used for absorbing damper.

Through adopting above-mentioned technical scheme, on the excavator is installed the scraper bowl when the excavator, generally can directly pull the earmuff of hanging bucket upper end, it has a shock ring to connect in the earmuff, it is connected with the snubber block of a plurality of end to slide on the earmuff one side of keeping away from of snubber ring, still be connected with between snubber block and snubber ring and be used for the absorbing elastic component, the elastic component can carry out the shock attenuation to the pull rod of connecting the earmuff, so that when the excavator excavates or demolishs the operation, can carry out the shock attenuation to the scraper bowl. And meanwhile, a damping mechanism for enhancing the damping effect is also arranged on the damping block.

The utility model discloses further set up to: the damping mechanism comprises a damping plate which is rotatably connected to one side of a damping block, the rotating plane of the damping plate is arranged along the radial direction of a damping ring, the damping plates are mutually close to each other, a pressure pad is arranged on one side of the damping block based on the principle of the damping plate, and a damping pad is arranged at the lower end of the pressure pad.

Through adopting above-mentioned technical scheme, the shock attenuation board sets up on each snubber block, and the shock attenuation board is rotated along the radial direction of damping ring and is connected simultaneously. So that the damping plate can always be attached to the suspension rod connected in the ear cap, and when the suspension rod moves, the suspension rod can move along with the suspension rod. When the suspender moves, the damping plate is driven to move along with the hanging ring. And the damping plate drives the damping block to move in the damping ring to perform damping operation. Meanwhile, a pressure pad is arranged at the lower end of the damping plate, so that the abrasion of the suspension rod to the damping plate can be further reduced by the pressure pad, and the damping effect is enhanced.

The utility model discloses further set up to: the utility model discloses a damping ring, including earmuff, card strip lower extreme, the damping ring is close to earmuff one end and has seted up annular bulge, be equipped with on the earmuff with the protruding complex ring channel of annular, rotate along the radial direction of ring channel in the ring channel and be connected with the card strip, the rotation plane of card strip sets up along the surface of perpendicular to ring channel, card strip lower extreme is equipped with the blend stop along perpendicular to card strip direction, card strip upper end is equipped with the card key, be equipped with in the annular bulge with.

Through adopting above-mentioned technical scheme, when installing the earmuff with the shock attenuation ring, the operator installs the ring channel with annular protrusion on the shock attenuation ring earlier, then annular protrusion can promote the card strip in the ring channel to the ring channel in, will block the strip and stir in the ring channel after promoting, will block the strip upper end after stirring and be close to annular protrusion for card key lock on card strip upper end is to the recess in, makes the annular protrusion fix to the ring channel in, makes the shock attenuation ring be connected with the earmuff.

The utility model discloses further set up to: the utility model discloses a control device, including the card strip, ring channel, earmuff, fixture block front end, the card strip upper end is kept away from ring channel one end and is rotated and be connected with the control lever, the rotation plane of control lever sets up along vertical direction, be equipped with the groove that stretches out that supplies the control lever to stretch out on the earmuff, it is equipped with the fixture block to stretch out on the groove along the radial direction of ring channel, the fixture block front end is equipped with the toper arch, be equipped with on the control lever with fixture block complex.

Through adopting above-mentioned technical scheme, after damping ring wearing and tearing, the operator will control lever extract outward to the earmuff, will drive card strip upper end after extracting and remove to keeping away from the bellied direction of annular, and then make card key and the recess of card strip upper end break away from to can extract damping ring, extract the back and can make damping ring and earmuff break away from, and then can change damping ring.

The utility model discloses further set up to: the shock absorption barrel is sleeved on the hanging rod, and a buffering component used for buffering the hanging rod is arranged between the shock absorption barrel and the bucket.

Through adopting above-mentioned technical scheme, the cover is equipped with a shock attenuation section of thick bamboo on the jib, when the excavator was excavated the operation, the scraper bowl can utilize the buffer unit in the shock attenuation section of thick bamboo to carry out the buffering operation, reduces the power that the scraper bowl received, protects the scraper bowl.

The utility model discloses further set up to: the buffer component comprises a telescopic sleeve arranged between a shock absorption barrel and a bucket, a placing barrel full of liquid is arranged in the sleeve, one end of the placing barrel is connected with the shock absorption barrel, a pressing rod is connected in the placing barrel in a sliding mode along the length direction of the placing barrel, one end of the placing barrel is far away from the pressing rod and is fixed with the bucket, one end of the pressing rod extends into the placing barrel and is provided with a pressing plate, the pressing plate is always abutted to the side wall of the placing barrel, and a plurality of water permeable holes are formed in the pressing plate.

Through adopting above-mentioned technical scheme, when the scraper bowl carries out the during operation, the vibrations that the scraper bowl received can drive the depression bar and slide in placing a section of thick bamboo, and the liquid of placing in a section of thick bamboo passes the removal that the groove can restrict the clamp plate of permeating water, and then makes the removal of clamp plate in the sleeve slow down, and then realizes the operation of buffering.

The utility model discloses further set up to: the shock absorber is characterized in that a plurality of relatively arranged placing grooves are formed in the groove openings of the annular grooves, stop rods matched with the placing grooves are connected to the shock absorbing rings in a rotating mode, the rotating planes of the stop rods are arranged along the surfaces perpendicular to the shock absorbing rings, one ends, far away from the shock absorbing rings, of the stop rods are downwards turned to form flanges, and retaining strips matched with the flanges are arranged in the placing grooves.

Through adopting above-mentioned technical scheme, when the installation cushion ring, the operator is installed the holding groove with the stop lever in for turn-ups and blend stop cooperation realize the further fixed of cushion ring.

The utility model discloses further set up to: the damping ring is provided with a dovetail groove matched with the dovetail block.

By adopting the technical scheme, the dovetail block and the dovetail groove are arranged to limit the damping block to be fixed on the side surface of the damping ring to slide.

To sum up, the utility model discloses a beneficial technological effect does:

1. the bucket can be damped and buffered by the damping ring and the elastic part at the rear end of the damping block, so that the bucket is protected;

2. the bucket can be buffered when the bucket works by the aid of the buffer component.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is an exploded view of the shock ring of the present invention.

Fig. 3 is a cross-sectional view of the earcap of the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic view of the buffering structure of the present invention.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

In the figure, 1, earcap; 11. a shock-absorbing ring; 12. a damper block; 13. an elastic member; 14. a boom; 15. a bucket; 2. a damping mechanism; 21. a damper plate; 22. a shock pad; 23. a torsion spring; 24. an annular projection; 25. an annular groove; 26. clamping the strip; 27. a stop lever; 28. a card key; 29. a first groove; 3. a placement groove; 31. a lock lever; 32. flanging; 33. blocking strips; 34. a control lever; 35. extending out of the groove; 36. a clamping block; 37. a second groove; 38. a conical projection; 4. a damper cylinder; 41. a sleeve; 42. placing the cylinder; 43. a pressure lever; 44. pressing a plate; 45. water permeable holes; 5. a dovetail groove; 51. a dovetail block; 6. a buffer member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A shock-absorbing type bucket 15 of an excavator is disclosed, as shown in figures 1 and 2, the shock-absorbing type bucket 15 comprises an ear sleeve 1 positioned at the upper end of the bucket 15, a shock-absorbing ring 11 is connected in the ear sleeve 1 along the radial direction of the ear sleeve 1, a plurality of shock-absorbing blocks 12 connected end to end are connected on the inner surface of the shock-absorbing ring 11 in a sliding mode, the shock-absorbing plates 21 and the shock-absorbing plates 21 are mutually hinged, the purpose of hinging is that when the excavator is operated, a hanging rod 14 of the connecting ear sleeve 1 on the excavator bucket 15 can bear external force, the hanging rod 14 can extrude the shock-absorbing blocks 12, and the shock-absorbing blocks 12 can disperse the borne external force to other shock-absorbing blocks 12 to absorb shock and buffer. Meanwhile, an elastic part 13 for damping is arranged between each damping block 12 and the damping ring 11, and the elastic part 13 can disperse and absorb the force applied to the damping block 12 to damp. Meanwhile, one end, close to the shock absorption ring 11, of the shock absorption block 12 is provided with a dovetail block 51, the shock absorption ring 11 is provided with a dovetail groove 5 matched with the dovetail block 51, and the dovetail groove 5 and the dovetail block 51 can ensure that the shock absorption block 12 can always move on the shock absorption ring 11.

As shown in fig. 5 and 6, a damper mechanism 2 for damping vibration is further provided on the damper block, and in this embodiment, the damper mechanism 2 includes a damper plate 21 provided on a side of each damper block 12, the damper plate 21 is rotatably connected to the damper block 12, and a rotation plane of the damper plate 21 is provided in a radial direction of the damper ring 11. The damping plate 21 and the damping plate 21 are close to each other, so that the damping block 12 can be matched for damping operation, the external force is dispersed, and the influence of the external force is reduced. Still be equipped with one deck shock pad 22 on the bottom surface of the shock attenuation board of keeping away from snubber block 12 one end, be equipped with torsional spring 23 in the pivot of shock attenuation board 21 simultaneously, because the effect of torsional spring 23 of shock attenuation board 21 can remain the butt with jib 14 all the time, and then when jib 14 receiving external force vibration back, can drive the outside rotation of shock attenuation board 21, and then can decompose the absorption with external force under the absorption of shock pad 22, carry out the shock attenuation.

As shown in fig. 3 and 4, an annular protrusion 24 is further provided on the end of the cushion ring 11 near the earmuff 1, and an annular groove 25 is further provided in the earmuff 1 to be engaged with the annular protrusion 24. A clamping strip 26 is arranged in the annular groove 25 along the radial direction of the annular groove 25, the clamping strip 26 is rotatably connected in the annular groove 25, and the rotating plane of the clamping strip 26 is arranged along the radial direction perpendicular to the annular groove 25. A stop lever 27 is arranged at the lower end of the clamping strip 26 and is perpendicular to the clamping strip 26. Meanwhile, a clamping key 28 is arranged at the upper end of the clamping strip 26, and a first groove 29 matched with the clamping key 28 is arranged on the annular protrusion 24. When the shock-absorbing ring 11 is installed, the annular protrusion 24 is inserted into the annular groove 25, and then the annular protrusion 24 contacts the stop lever 27 in the annular groove 25, the stop lever 27 drives the clip strip 26 to rotate upward, so that the clip key 28 at the upper end of the clip strip 26 is snapped into the first groove 29 after the rotation. The annular projection 24 is then secured to the snap strip 26, thereby snapping the annular projection 24 into the annular groove 25. Meanwhile, two oppositely-arranged placing grooves 3 are formed in the groove edge of the annular groove 25, locking rods 31 which are oppositely arranged on the two placing grooves 3 are arranged on the damping ring 11, turned-over edges 32 are arranged at one ends, far away from the damping ring 11, of the locking rods 31, blocking strips 33 matched with the turned-over edges 32 are arranged in the placing grooves 3, and the blocking strips 33 are flexibly arranged. After the shock-absorbing ring 11 is fitted into the annular groove 25, the locking rod 31 of the shock-absorbing ring 11 is fitted into the placement groove 3 so that the flange 32 engages with the rib 33.

Referring to fig. 4, a control rod 34 extending from the ear cap 1 is disposed at an end of the clamping strip 26 away from the stop lever 27, the control rod 34 is rotatably connected to the clamping strip 26, and a rotation plane of the control rod 34 is vertically disposed. Meanwhile, an extending groove 35 for extending the control rod 34 is formed in the earmuff 1, a clamping block 36 is arranged in the extending groove 35 along the radial direction of the earmuff 1, a conical protrusion 38 is arranged at the front end of the clamping block 36, a matching groove for inserting the clamping block 36 is formed in the control rod 34, and a second groove 37 matched with the conical protrusion 38 is formed in the matching groove. After the operator mounts the cushion ring 11 on the earmuff 1, the operator snaps the lever 34 to the latch 36, so that the tapered protrusion 38 of the latch 36 is engaged with the second recess 37 for fixing.

Referring to fig. 1 and 5, a shock-absorbing cylinder 4 connected with two ear caps 1 is sleeved on a suspension rod 14, a damping member 6 is connected between the shock-absorbing cylinder 4 and a bucket 15, in the embodiment, the damping member 6 comprises a telescopic sleeve 41 connected between the shock-absorbing cylinder 4 and the bucket 15, a placing cylinder 42 is arranged in the sleeve 41, and the placing cylinder 42 is connected with the shock-absorbing cylinder 4 and the bucket 15. The placing cylinder 42 is filled with liquid, a press rod 43 sliding along the length direction of the placing cylinder 42 is arranged in the placing cylinder 42, and one end of the press rod 43 far away from the placing cylinder 42 is fixed with the bucket 15. One end of the pressure lever 43 extending into the placing cylinder 42 is provided with a pressure plate 44, and the pressure plate 44 is always kept in contact with the inner side wall of the placing cylinder 42. Meanwhile, a plurality of water permeable holes 45 are arranged on the pressure plate 44. After the bucket 15 receives external power, the bucket 15 will push the pressure lever 43 to move in the placing cylinder 42, then make the liquid in the placing cylinder 42 flow through the permeable hole 45, and then will reduce the moving speed of the pressure plate 44, and then cushion the bucket 15.

The specific implementation mode is as follows: the operator inserts the boom 14 between the two ear pieces 1, then mounts the shock tube 4 on the boom 14, and then mounts the sleeve 41 and the cushioning member 6 inside the sleeve 41 between the shock tube 4 and the bucket 15. Then, the damping ring 11 is installed on the earmuff 1, the annular protrusion 24 on the damping ring 11 is matched with the annular groove 25 in the earmuff 1, so that the annular protrusion 24 pulls the stop lever 27, the stop lever 27 drives the clamping strip 26 to rotate, and the clamping key 28 at the upper end of the clamping strip 26 is matched with the first groove 29 after the rotation. The operator then dials the lever 34 into the slot 35 so that the second recess 37 in the lever 34 engages the tapered projection 38 to secure the annular projection 24. The operator then engages the locking lever 31 on the shock ring 11 with the placement groove 3, so that the shock ring 11 is completely fixed to the ear muff 1.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides an excavator shock-proof type scraper bowl, is including setting up two align to grid's ear cover (1) above scraper bowl (15), two be connected with jib (14), characterized by between ear cover (1): the damping device is characterized in that a damping ring (11) is connected in the earmuff (1), a plurality of damping blocks (12) are arranged on the inner circumferential surface of the damping ring (11) in a sliding mode, an elastic part (13) used for damping is connected between the damping blocks (12) and the damping ring (11), the front ends of the damping blocks (12) are abutted to a suspension rod (14), the damping blocks (12) are hinged to the damping blocks (12) mutually, and a damping mechanism (2) used for damping is arranged on the damping blocks (12).

2. The shock absorbing type bucket for excavators as claimed in claim 1, wherein: damper (2) are including rotating damper plate (21) of connection on snubber block (12) one side, damper plate (21) rotate the plane and set up along the radial direction of shock attenuation ring (11), damper plate (21) are close to jib (14) one side and are equipped with shock pad (22).

3. The shock absorbing type bucket for excavators as claimed in claim 1, wherein: damping ring (11) are close to earmuff (1) one end and have seted up annular arch (24), be equipped with on earmuff (1) with annular arch (24) complex ring channel (25), ring channel (25) internal rotation is connected with card strip (26), the surface setting along perpendicular to ring channel (25) of the rotation plane of card strip (26), card strip (26) lower extreme is equipped with the blend stop along perpendicular to card strip (26) direction, card strip (26) upper end is equipped with card key (28), be equipped with on the annular arch (24) with card key (28) complex first recess (29).

4. The shock absorbing type bucket for excavators as claimed in claim 3, wherein: card strip (26) upper end is kept away from ring channel (25) one end and is rotated and be connected with control lever (34), the rotation plane of control lever (34) sets up along vertical direction, be equipped with on earmuff (1) and supply stretching out groove (35) that control lever (34) stretched out, be equipped with fixture block (36) in stretching out groove (35), fixture block (36) front end is equipped with toper arch (38), be equipped with on control lever (34) with toper arch (38) complex second recess (37).

5. The shock absorbing type bucket for excavators as claimed in claim 1, wherein: the shock absorption bucket is characterized in that a shock absorption barrel (4) is sleeved on the suspension rod (14), and a buffering component (6) used for buffering the suspension rod (14) is arranged between the shock absorption barrel (4) and the bucket (15).

6. The shock absorbing type bucket for excavators as claimed in claim 5, wherein: buffer unit (6) are including setting up sleeve (41) between damper cylinder (4) and scraper bowl (15), a section of thick bamboo (42) is placed to the telescopic that is equipped with full-liquid in sleeve (41), it is connected with damper cylinder (4) to place a section of thick bamboo (42) one end, it is connected with depression bar (43) to slide along the length direction who places a section of thick bamboo (42) in placing a section of thick bamboo (42), depression bar (43) are kept away from and are placed a section of thick bamboo (42) one end and scraper bowl (15) fixed, depression bar (43) stretch into and place a section of thick bamboo (42) one end and are equipped with clamp plate (44), clamp plate (44) all around with place a section of thick bamboo (42) lateral wall butt all the time, a plurality of holes (.

7. The shock absorbing type bucket for excavators as claimed in claim 4, wherein: the utility model discloses a damping ring, including standing groove (25), damping ring (11), the notch department of ring channel (25) sets up standing groove (3) that a plurality of relative settings, the last rotation of damping ring (11) is connected with and stops the pole with standing groove (3) complex, the rotation plane of stop pole sets up along the surface of perpendicular to damping ring (11), the stop pole is kept away from damping ring (11) one end and is turned over down and turn over turn-ups (32), be equipped with in standing groove (3) with turn-ups (32) complex blend stop (33).

8. The shock absorbing type bucket for excavators as claimed in claim 2, wherein: the damping ring is characterized in that a dovetail block (51) is arranged at the lower end of the damping block (12), and a dovetail groove (5) matched with the dovetail block (51) is formed in the damping ring (11).

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