CN212896571U

CN212896571U - Tooth holder of excavator

Info

Publication number: CN212896571U
Application number: CN202020932252.9U
Authority: CN
Inventors: 陈平儿
Original assignee: Ningbo Pingrong Casting Co ltd
Current assignee: Ningbo Pingrong Casting Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-04-06
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses an excavator toothholder, which comprises a base, wherein one side of the upper surface of the base is fixedly connected with a first clamping plate, the utility model is provided with a first clamping plate, a second clamping plate, a through groove, a first threaded hole and a first bolt for interaction, the toothholder can be further stabilized by clamping the through groove on a bucket, the first clamping plate and the second clamping plate are screwed on the bucket by the first bolt for facilitating disassembly and maintenance, the groove, the spring, the first buffer plate and the second buffer plate play good buffer and shock absorption performances for reducing impact, the reinforcing rod can increase rigidity, the first clamping plate and the second clamping plate are prevented from being damaged by impact deformation, the bucket tooth can be arranged on an installation block by arranging the installation block, the sliding groove, the second threaded hole and the second bolt for interaction, the bucket tooth can be stably arranged on the installation block by the second bolt for facilitating disassembly and maintenance, wear is reduced by the protection pads.

Description

Tooth holder of excavator

Technical Field

The utility model relates to a toothholder, in particular to excavator toothholder belongs to excavator technical field.

Background

The excavator is an engineering excavating machine and is widely applied to engineering, materials excavated by the excavator mainly comprise soil, coal, silt, soil and rocks, the development of the excavator is relatively fast along with the continuous improvement of the excavator technology, and the excavator becomes one of the most main engineering machines in engineering construction.

The scraper bowl of excavator passes through the toothholder and connects the bucket tooth, but present excavator toothholder all is fixed connection on the scraper bowl of excavator, and dismouting maintenance is very inconvenient like this, and buffering shock attenuation performance is poor simultaneously, and the toothholder rocks simultaneously can appear, installs not firm problem, and the toothholder all is through pin fixed connection basically moreover, drops easily like this.

SUMMERY OF THE UTILITY MODEL

The utility model provides an excavator toothholder has effectually solved the problem that exists among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an excavator toothholder, which comprises a base, one side of the upper surface of the base is fixedly connected with a first clamping plate, one side of the upper surface of the base, which is far away from the first clamping plate, is fixedly connected with a second clamping plate, the first clamping plate and the second clamping plate are arranged in parallel, the first clamping plate is longer than the second clamping plate, a through groove is arranged on both the first clamping plate and the second clamping plate in a penetrating way, four first threaded holes which are symmetrically arranged are arranged on the same side of the first clamping plate and the second clamping plate in a penetrating way, the four first threaded holes respectively penetrate through the two through grooves and extend to the other side of the first clamping plate and the second clamping plate, a first bolt is connected with the inner part of the four first threaded holes in a threaded way, a groove is arranged in the middle part of the upper surface of the base, a spring is fixedly connected with the bottom of the groove, a first buffer plate is fixedly connected with, just first buffer board is located the notch position of recess, surface fixed connection has a second buffer board under the base, surface fixed connection has a fixed block under the second buffer board, a plurality of stiffeners of lateral wall fixedly connected with of fixed block, surface fixed connection has an installation piece under the fixed block, run through on the installation piece and seted up a second screw hole, the inside threaded connection of second screw hole has a second bolt.

As a preferred technical scheme of the utility model, one side of installation piece is close to the position of lower extreme and has been seted up two and is the symmetry and set up the spout.

As an optimal technical scheme of the utility model, the equal fixedly connected with one deck protection pad of installation piece both sides lateral wall.

As an optimized technical scheme of the utility model, fixed surface is connected with an antifriction plate on the first buffer board.

As an optimal technical scheme of the utility model, first bolt and second bolt surface all scribble one deck sealing paint.

As an optimized technical scheme of the utility model, two run through equal fixedly connected with one deck slipmat on the groove cell wall.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a set up first splint, the second splint, run through the groove, first screw hole and first bolt interact, through running through the groove joint can further stabilize the toothholder on the scraper bowl, fasten first splint and second splint screw thread on the scraper bowl through first bolt, the dismouting maintenance of being convenient for, through the recess, a spring, first buffer board, the second buffer board plays fine buffering damping performance, can reduce the impact, the stiffener can increase the rigidity, prevent that first splint and second splint from damaging because of the impact deformation, through setting up the installation piece, the spout, second screw hole and second bolt interact, can install the bucket tooth on the installation piece through the spout, stabilize the installation through the second bolt, the dismouting maintenance of being convenient for, reduce wearing and tearing through the protection pad.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front cut-away view of the present invention;

fig. 2 is a schematic perspective view of the first and second clamping plates of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a base; 2. a first splint; 3. a second splint; 4. a first threaded hole; 5. a first bolt; 6. a groove; 7. a spring; 8. a first buffer plate; 9. a second buffer plate; 10. a fixed block; 11. a reinforcing bar; 12. mounting blocks; 13. a second threaded hole; 14. a chute; 15. a second bolt; 16. a protection pad; 17. through the slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 (b): as shown in figures 1-3, the utility model relates to an excavator toothholder, which comprises a base 1, a first clamping plate 2 is fixedly connected with one side of the upper surface of the base 1, a second clamping plate 3 is fixedly connected with one side of the upper surface of the base 1 far away from the first clamping plate 2, the first clamping plate 2 and the second clamping plate 3 are arranged in parallel, the first clamping plate 2 is longer than the second clamping plate 3, a through groove 17 is arranged on each of the first clamping plate 2 and the second clamping plate 3 in a penetrating way, four first threaded holes 4 are symmetrically arranged on the same side of the first clamping plate 2 and the second clamping plate 3 in a penetrating way, the four first threaded holes 4 respectively penetrate through the two through grooves 17 and extend to the other side of the first clamping plate 2 and the second clamping plate 3, a first bolt 5 is connected with the inner uniform thread of each first threaded hole 4, a groove 6 is arranged in the middle of the upper surface of the base 1, a spring 7 is fixedly connected with the bottom of the, spring 7 upper end fixedly connected with first buffer board 8, and first buffer board 8 is located the notch position of

recess

6, 1 fixed surface of base is connected with a

second buffer board

9, 9 fixed surface of second buffer board is connected with a fixed block 10, a plurality of stiffeners of lateral wall fixedly connected with 11 of

fixed block

10, 10 fixed surface of fixed block is connected with an installation piece 12, run through on the installation piece 12 and seted up a

second screw hole

13, 13 internal thread of second screw hole is connected with a second bolt 15.

Two symmetrical sliding grooves 14 are formed in the position, close to the lower end, of one side of the mounting block 12, and accordingly the bucket teeth can be conveniently and stably mounted through the two sliding grooves 14.

The equal fixedly connected with one deck protection pad 16 of installation piece 12 both sides lateral wall is favorable to protecting installation piece 12 through two protection pads 16, prevents that installation piece 12 from damaging, shortens life.

Fixed surface has an antifriction plate on the 8 first buffer boards, is favorable to increasing the wearability of 8 first buffer boards through the antifriction plate, prevents that 8 first buffer boards from damaging.

The outer surfaces of the first bolt 5 and the second bolt 15 are coated with a layer of sealing paint, so that the sealing performance of the first bolt 5 and the second bolt 15 is enhanced through the sealing paint, and the first bolt 5 and the second bolt 15 are prevented from being rusted and cannot be screwed out.

The groove walls of the two through grooves 17 are fixedly connected with a layer of non-slip mat, so that the friction force of the two through grooves 17 can be enhanced through the two non-slip mats.

Specifically, when the utility model is used, the four first bolts 5 on the first clamping plate 2 and the second clamping plate 3 are screwed out from the four first threaded holes 4, then one side of the bucket to be installed is respectively inserted into the two through grooves 17 on the first clamping plate 2 and the second clamping plate 3, at the moment, the two through grooves 17 are abutted against the bucket, the first clamping plate 2 and the second clamping plate 3 are screwed on the bucket through the four first bolts 5, the tooth base can not shake during working due to the limit of the two through grooves 17, the second bolt 15 is screwed out from the second threaded hole 13 on the installation block 12, then the bucket tooth is installed with two sliding blocks, the bucket tooth is connected in the two sliding grooves 14 in a sliding manner through the two sliding blocks, and then the second bolt 15 is screwed in the second threaded hole 13, the stability of the bucket tooth is ensured, when the tooth base starts to work, the bucket tooth can have an upward force on the base 1, part impact force can be alleviated to second buffer plate 9 this moment, then spring 7 can drive first buffer plate 8 extrusion scraper bowl, because spring 7's elasticity can further reduce the impact, avoids the impact damage of toothholder, and the operation is ended, the utility model has the advantages of firm toothholder, buffering shock attenuation performance is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The excavator toothholder is characterized by comprising a base (1), wherein one side of the upper surface of the base (1) is fixedly connected with a first clamping plate (2), one side of the upper surface of the base (1), which is far away from the first clamping plate (2), is fixedly connected with a second clamping plate (3), the first clamping plate (2) and the second clamping plate (3) are arranged in parallel, the first clamping plate (2) is longer than the second clamping plate (3), the first clamping plate (2) and the second clamping plate (3) are both provided with a through groove (17) in a penetrating way, the same side of the first clamping plate (2) and the second clamping plate (3) is provided with four first threaded holes (4) which are symmetrically arranged in a penetrating way, and the four first threaded holes (4) respectively penetrate through the two through grooves (17) and extend to the other side of the first clamping plate (2) and the second clamping plate (3), a first bolt (5) is connected with the inner parts of the four first threaded holes (4) in a threaded manner, a groove (6) is formed in the middle of the upper surface of the base (1), a spring (7) is fixedly connected to the bottom of the groove (6), a first buffer plate (8) is fixedly connected to the upper end of the spring (7), the first buffer plate (8) is positioned at the notch position of the groove (6), the lower surface of the base (1) is fixedly connected with a second buffer plate (9), the lower surface of the second buffer plate (9) is fixedly connected with a fixed block (10), the outer side wall of the fixed block (10) is fixedly connected with a plurality of reinforcing rods (11), the lower surface of the fixed block (10) is fixedly connected with an installation block (12), a second threaded hole (13) is arranged on the mounting block (12) in a penetrating way, a second bolt (15) is connected with the inner thread of the second threaded hole (13).

2. The excavator toothholder as claimed in claim 1, characterized in that two symmetrically arranged sliding grooves (14) are formed on one side of the mounting block (12) near the lower end.

3. The excavator toothholder as claimed in claim 1, characterized in that a layer of protective pad (16) is fixedly connected to the outer side wall of each side of the mounting block (12).

4. An excavator toothholder as claimed in claim 1, characterized in that a wear plate is fixedly attached to the upper surface of the first damping plate (8).

5. An excavator toothholder as claimed in claim 1, characterized in that the outer surfaces of the first bolt (5) and the second bolt (15) are coated with a layer of sealing lacquer.

6. The excavator toothholder as claimed in claim 1, characterized in that a layer of non-slip mat is fixedly connected to the wall of each of the two through grooves (17).