CN210712994U

CN210712994U - Bucket of excavator

Info

Publication number: CN210712994U
Application number: CN201921266598.3U
Authority: CN
Inventors: 邓承林; 邓承文; 邓承学
Original assignee: Chongqing Huazhu Architectural Design Group Co Ltd
Current assignee: Chongqing Huazhu Architectural Design Group Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-09
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a scraper bowl of excavator, can dismantle the excavation tooth of connection on base sword and the base sword, the excavation tooth includes the linkage segment of being connected with the base sword, is connected with the action section on the linkage segment, and the linkage segment adopts multi-functional rotating-structure to realize two-way and multi-angle rotation with the action section, and wherein the action section is conical, and encloses on the outer wall of action section and be equipped with a plurality of abrasionproof strips. The utility model adopts a multifunctional rotating structure, so that the digging tooth can rotate in a small-angle, large-angle and full-circle mode in the using process; according to the difference of the resistance that the thickness of piling up of the rubble of action section contact brought, make the tooth of digging rationally adjust the rotation mode according to the resistance size in the use, more be favorable to digging the tooth and insert in the rubble shovel into the scraper bowl with the rubble gap to reduce the direct hard wearing and tearing effect that the contact rubble heap of digging the tooth brought.

Description

Bucket of excavator

Technical Field

The utility model belongs to the technical field of the excavator, concretely relates to scraper bowl of excavator.

Background

The excavator is an important machine widely used and applied to construction engineering of various industries, the bucket is a key component on the excavator, the performance of the bucket directly affects the working efficiency of the excavator, the materials excavated by the excavator mainly comprise soil, coal, silt and soil and rock after pre-loosening, and the excavator is relatively fast in development in recent years and becomes one of the most important engineering machines in engineering construction.

The bucket of the excavator is an important component of the excavator, as shown in fig. 1, the bucket in the prior art is generally in a bucket-shaped structure formed by welding a back plate 103 and two side plates 104, a base blade 102 is arranged at the action end of the back plate 103, a plurality of excavating teeth 101 are uniformly distributed on the base blade 102, and the bucket mainly has corresponding application scenes according to different materials.

When the bucket in the prior art excavates gravel, its excavation tooth adopts the button head excavation tooth, is convenient for insert the bucket with dig the gravel in the gravel, but even if the button head excavation tooth, also use for a long time and cause the wearing and tearing of excavation tooth and then reduce excavator work effect easily.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a scraper bowl of excavator has solved among the prior art when the scraper bowl excavates the rubble its problem that excavates the extremely easy wearing and tearing of tooth.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a scraper bowl of excavator, includes that basic sword and basic sword go up the excavation tooth that can dismantle the connection, the excavation tooth includes the linkage segment of being connected with basic sword, is connected with the effect section on the linkage segment, and the linkage segment adopts multi-functional rotating-structure to realize two-way and multi-angle rotation with the effect section, and wherein the effect section is conical, and encloses on the outer wall of effect section and be equipped with a plurality of abrasionproof strips.

Furthermore, the multifunctional rotating structure comprises a first rotating section and a second rotating section, wherein the first rotating section is provided with an inserting groove, one end of the second rotating section is inserted into the inserting groove and is rotationally connected with the inserting groove, the part of the second rotating section, which is positioned in the inserting groove, is provided with an annular sliding block, and the side wall of the inserting groove is clamped with an annular sliding groove matched with the annular sliding block;

the brake assembly comprises a plurality of clamping grooves annularly distributed along the inner wall of the slot and a limiting fixture block matched with the clamping grooves, the limiting fixture block is arranged in an installation groove formed in the second rotating section, and a spring is arranged between the limiting fixture block and the installation groove;

wherein the second rotating section is connected with the connecting section, and the first rotating section is connected with the large end of the action section.

Furthermore, the length of the clamping groove in the rotating direction is greater than the width of the limiting clamping block in the rotating direction.

Further, spacing fixture block includes a plurality of that the section ring was established along the second rotation, and every spacing fixture block all sets up in the mounting groove that corresponds, and spacing fixture block is equipped with the scarf of two relative settings along its rotation direction, is equipped with the inclined plane of using with spacing fixture block scarf cooperation on the joint groove lateral wall.

Furthermore, the connecting section is provided with a clamping groove with the end connected with the base blade, and the base blade is clamped in the clamping groove and detachably connected through a bolt.

Furthermore, the width of the wear-resistant strip is gradually reduced from one end to the other end, and the length direction of the wear-resistant strip is distributed along the length direction of the action section.

Furthermore, a plurality of anti-abrasion protrusions are arranged on the periphery of the second rotating section.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model adopts a multifunctional rotating structure, so that the digging tooth can rotate in a small-angle, large-angle and full-circle mode in the using process;

according to the difference of the resistance that the thickness of piling up of the rubble of effect section contact brought, make the digging tooth rationally adjust the rotation mode according to the resistance size in the use, more be favorable to digging the tooth and insert in the rubble gap with the rubble shovel into the scraper bowl, thereby reduce the wearing and tearing effect that the direct hard contact rubble of digging the tooth was piled and is brought, the abrasionproof strip that sets up on the cooperation section simultaneously can effectively reduce the degree of wear of digging the tooth in the use, prolong its life, reduce the change number of times, practice thrift manufacturing cost.

Drawings

FIG. 1 is a schematic diagram of a prior art excavator bucket;

FIG. 2 is a schematic view of the connection structure of the base blade and the digging tooth of the present invention;

FIG. 3 is a schematic view of the structure of the connection section of the present invention;

FIG. 4 is a schematic view of the multifunctional rotating structure of the present invention;

FIG. 5 is a diagram showing the relationship between the limiting fixture blocks and the clamping grooves;

fig. 6 is a schematic view of the structure of the action section of the present invention.

In the figure, a base blade 1, an excavating tooth 2, a connecting section 21, a multifunctional rotating structure 22, an acting section 23, a clamping groove 211, a first rotating section 221, a second rotating section 222, an annular sliding groove 223, an annular sliding block 224, a limit clamping block 225, a mounting groove 226, a slot 227, a spring 228, an anti-abrasion protrusion 229, a clamping groove 220 and an anti-abrasion strip 231.

Detailed Description

As shown in fig. 2-6, the utility model relates to a scraper bowl of excavator, can dismantle the excavation tooth 2 of connection on base sword 1 and the base sword 1, excavation tooth 2 includes linkage segment 21 of being connected with base sword 1, is connected with action section 23 on the linkage segment 21, and linkage segment 21 adopts multi-functional rotating-structure 22 to realize two-way and multi-angle rotation with action section 23, and wherein action section 23 is conical, and encloses on the outer wall of action section 23 and be equipped with a plurality of abrasionproof strips 231. The digging tooth 2 arranged in the utility model adopts the multifunctional rotating structure 22, so that the digging tooth 2 can rotate in a small-angle, large-angle and full-circle mode in the using process; according to the difference of the resistance that the thickness of piling up of the rubble of effect section 23 contact brought, make and excavate tooth 2 according to the reasonable rotation mode of adjusting of resistance size in the use, more be favorable to excavating tooth 2 and insert in the rubble gap with the rubble shovel into the scraper bowl, thereby reduce the wearing and tearing effect that 2 direct hard contact rubble piles of excavating tooth brought, the abrasionproof strip 231 that sets up on the cooperation section 23 simultaneously, can effectively reduce the degree of wear of excavating tooth 2 in the use, prolong its life, reduce the change number of times, practice thrift manufacturing cost.

Specifically, the multifunctional rotating structure 22 includes a first rotating section 221 and a second rotating section 222, the first rotating section 221 is provided with an insertion slot 227, one end of the second rotating section 222 is inserted into the insertion slot 227 and is rotatably connected with the insertion slot 227, a portion of the second rotating section 222 located in the insertion slot 227 is provided with an annular sliding block 224, and an annular sliding groove 223 matched with the annular sliding block 224 is clamped on a side wall of the insertion slot 227; the slot 227, the annular sliding block 224 and the annular sliding groove 223 realize the bidirectional rotation connection between the first rotating section 221 and the second rotating section 222, and in order to enable the rotating mode between the two rotating sections to have the multi-angle effect, the utility model provides a multifunctional rotating structure 22 further comprises a braking assembly, the braking assembly comprises a plurality of clamping grooves 220 annularly arranged along the inner wall of the slot 227 and a limiting fixture block 225 used in cooperation with the clamping grooves, the limiting fixture block 225 is arranged in a mounting groove 226 formed on the second rotating section 222, and a spring 228 is arranged between the limiting fixture block 225 and the mounting groove 226; wherein the second rotating section 222 is connected with the connecting section 21, and the first rotating section 221 is connected with the large end of the acting section 23. Meet the resistance that the gravel pile brought when the rubble is excavated to action section 23, this resistance transmits to first rotation section 221, and first rotation section 221 can overcome spring 228 resistance according to the size of resistance and rotate according to this resistance, and then slows down the effect of the hard contact rubble of action section 23, and then reduces the wearing and tearing effect.

For making the utility model discloses the effect section 23 that sets up can carry out two-way rotation and not influenced by its resistance size that receives in the minizone, the utility model discloses the joint groove 220 that sets up is greater than spacing fixture block 225 along the width of rotation direction along the length of rotation direction. A small range of bi-directional rotation of the active segment 23 can be more conducive to insertion into the gravel pile without slippage.

In order to further ensure that the limiting fixture block 225 provided by the present invention has better resistance capability, the limiting fixture block 225 provided by the present invention comprises a plurality of limiting fixture blocks annularly arranged along the second rotation section 222, and each limiting fixture block 225 is arranged in the corresponding mounting groove 226; in order to facilitate the mutual rotation of the limiting fixture block 225 and the clamping groove 220, the limiting fixture block 225 is provided with two opposite wedge surfaces along the rotation direction thereof, and the side wall of the clamping groove 220 is provided with an inclined surface matched with the wedge surface of the limiting fixture block 225 for use.

For the effective connection of convenient linkage segment 21 and base sword 1, linkage segment 21 is equipped with draw-in groove 211 with 1 link of base sword, and the connection can be dismantled through the bolt in draw-in groove 211 to base sword 1 card is established.

Because the utility model discloses the effect section 23 that the practicality set up is coniform, for making things convenient for the wearing strip 231 to laminate the effect section 23 under this structure more, the utility model discloses the width of the wearing strip 231 that sets up is dwindled the setting gradually by one end towards the other end and its length direction is laid along effect section 23 length direction. In order to avoid accidental injury to personnel by the digging tooth 2, the small end of the action section 23 is chamfered.

In use, the second rotary section 222 is also in frequent contact with debris, and to reduce wear damage thereto by debris, a plurality of wear projections 229 are provided around the periphery of the second rotary section 222.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a scraper bowl of excavator, includes the excavation tooth of dismantling the connection on basic sword and the basic sword which characterized in that: the digging tooth comprises a connecting section connected with the base blade, an acting section is connected to the connecting section, the connecting section and the acting section adopt a multifunctional rotating structure to realize bidirectional and multi-angle rotation, the acting section is conical, and a plurality of anti-abrasion strips are arranged on the outer wall of the acting section in an enclosing manner.

2. A bucket for an excavator as claimed in claim 1, wherein: the multifunctional rotating structure comprises a first rotating section and a second rotating section, wherein a slot is formed in the first rotating section, one end of the second rotating section is inserted into the slot and is rotatably connected with the slot, an annular sliding block is arranged at the part, located in the slot, of the second rotating section, and an annular sliding groove matched with the annular sliding block for use is clamped on the side wall of the slot;

3. A bucket for an excavator as claimed in claim 2, wherein: the length of the clamping groove along the rotating direction is greater than the width of the limiting clamping block along the rotating direction.

4. A bucket for an excavator as claimed in claim 3 wherein: the limiting fixture blocks comprise a plurality of limiting fixture blocks annularly arranged along the second rotating section, each limiting fixture block is arranged in the corresponding mounting groove, the limiting fixture blocks are provided with two opposite wedge surfaces along the rotating direction of the limiting fixture blocks, and the side wall of the clamping groove is provided with an inclined surface matched with the wedge surfaces of the limiting fixture blocks for use.

5. A bucket for an excavator as claimed in claim 4 wherein: the connecting section is provided with a clamping groove with a base blade connecting end, and the base blade is clamped in the clamping groove and detachably connected through a bolt.

6. A bucket for an excavator as claimed in claim 5, wherein: the width of the wear-resistant strip is gradually reduced from one end to the other end, and the length direction of the wear-resistant strip is distributed along the length direction of the action section.

7. A bucket for an excavator as claimed in claim 6 wherein: and a plurality of anti-abrasion bulges are arranged on the periphery of the second rotating section.