CN218843229U

CN218843229U - Fixed tooth used on excavator

Info

Publication number: CN218843229U
Application number: CN202223188859.9U
Authority: CN
Inventors: 周志建
Original assignee: Zhejiang Pacific Machinery Co Ltd
Current assignee: Zhejiang Pacific Machinery Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-11
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a fixed tooth that uses on excavator, it includes the tooth body, the tooth body comprises the assembly portion of bottom and the work portion at top, and wherein the assembly portion of bottom downwardly protrudes the massive location lug of shaping, and this location lug is inside to be provided with the constant head tank that is 8 font, is provided with two threaded fixed orificess in 8 font constant head tank to still set up the inside sunken draw-in groove of round on the side of this location lug. The working part consists of a working head and a working face, wherein the working face is convex, a mud blocking top which increases the weight of the working part is arranged in the middle, at least one reinforcing rib is arranged above the mud blocking top, the working head is obliquely arranged upwards, and the bottom of the working head is downwards sunken to form a placing area for storing sludge. The utility model has the advantages of simple structure, reasonable in design, life that can greatly increased tooth head etc.

Description

Fixed tooth used on excavator

Technical Field

The utility model relates to a fixed tooth that uses on excavator belongs to excavator accessory technical field.

Background

The fixed teeth of the excavator are one of important parts on the excavator and one of parts which are easy to wear, a plurality of fixed teeth are installed on the excavator to carry out excavation operation, excavated sediment contains liquid, the liquid is usually corrosive and can corrode the tooth heads after being adhered to the fixed teeth for a long time, the service life of the tooth heads is shortened, the sediment containing the liquid can be adhered to and accumulated in the tooth heads, the fixed teeth are easy to block for a long time, and the working efficiency of the excavator is affected.

Disclosure of Invention

The utility model aims to overcome the above not enough, provide a simple structure, reasonable in design washs the convenience, fixed tooth that uses on the excavator that can greatly increased tooth head life.

The purpose of the utility model is accomplished through following technical scheme: the utility model provides a fixed tooth that uses on excavator, it includes the tooth body, the tooth body comprises the assembly portion of bottom and the working portion at top, and wherein the assembly portion of bottom downwardly convex shaping massive location lug, the inside constant head tank that is 8 font that is provided with of this location lug is provided with two threaded fixed orificess in 8 font constant head tank to still set up the inside sunken draw-in groove of round on the side of this location lug, the working portion comprises the working head and the working face of one end, and wherein the working face becomes protruding form, sets up the bellied mud top that hinders that increases working portion weight inside in the middle, installs an at least strengthening rib in the top that hinders the mud top, and this working head slope is upwards arranged, and its bottom undercut forms a placing area that is used for depositing mud.

Preferably, the method comprises the following steps: the working head is flat, a pad hole is formed in the end portion of the working head, two guiding edges which are arranged left and right are arranged on two sides of a placing area behind the pad hole respectively, sludge is led into the placing area below the placing area, and a splayed sludge outlet is formed in the rear of the placing area.

Preferably, the method comprises the following steps: the diameter of the assembling part at the bottom is smaller than that of the tooth body, a vertical connecting edge is formed between the bottom of the assembling part close to one side of the working head and the assembling part, a convex positioning head is further arranged at one side of the assembling part close to the working head, and friction cross grains are respectively arranged at two sides of the positioning head.

Preferably, the method comprises the following steps: the mud blocking top is characterized in that enclosing edges which are obliquely arranged downwards are arranged on two sides of the mud blocking top, the enclosing edges sequentially decrease progressively from left to right to form a step shape, two protective edges which are obliquely inclined downwards are arranged at the tail part, and the tail part is wrapped by the protective edges.

Preferably, the method comprises the following steps: the strengthening rib totally has two, installs respectively and hinders mud top, and every strengthening rib is chevron shape and arranges towards work head one side, can let the tooth body more firmly durable through the strengthening rib, also can arrange through its chevron shape and carry out the separation with mud.

The utility model discloses detachably installs the backing plate on the backing plate hole that well set up, dig the machine and excavate through fixed tooth, the silt of excavation drops on the backing plate, wash through dismantling the backing plate, it is more convenient high-efficient, the vertical height of its working head and working face both sides is higher than the vertical height of placing the district, a sunken district of placing has been formed, place the strengthening rib of district rear for people's font can let the tooth body when more firmly durable, also can carry out the separation with mud, can make silt fall out from the both sides of placing the district through the extrusion during excavation, its unique design can prevent well that most silt from piling up glutinous even on the tooth, and the silt of subtotal then can accomplish the clearance through the water-washing, the utility model has the advantages of simple structure, reasonable in design, it is convenient to wash, can greatly increased tooth head life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of fig. 1 taken along direction a.

Fig. 3 is a schematic view of fig. 1 in the direction B.

Fig. 4 is a schematic view of fig. 1 in the direction of C.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings: as shown in fig. 1, the fixing tooth used on the excavator comprises a tooth body 1, wherein the tooth body 1 is composed of an assembly part 2 at the bottom and a working part 3 at the top, wherein the assembly part 2 at the bottom downwardly protrudes to form a block-shaped positioning lug 4, as shown in fig. 3, an 8-shaped positioning groove 5 is arranged inside the positioning lug 4, two fixing holes 7 with threads 6 are arranged in the 8-shaped positioning groove 5, and a circle of inward-recessed clamping groove 9 is further formed in the side body of the positioning lug 4.

The utility model discloses the draw-in groove cooperation fixed orifices and the screw thread that set up can be fixed the tooth head on digging the machine, and its fixed mode can be that screw thread or bolt and screw etc. fix for holistic fixed is more firm.

As shown in fig. 2, the working portion 3 is composed of a working head 10 and a working surface 11 at one end, wherein the working surface 11 is convex, a convex mud blocking roof 12 for increasing the weight of the working portion is arranged in the middle, at least one reinforcing rib 13 is arranged above the mud blocking roof 12, the working head 10 is obliquely and obliquely arranged in an inclined manner, and the bottom of the working head is recessed downwards to form a placing area 14 for storing sludge. The utility model discloses in through the strengthening rib that sets up, can the holistic intensity of greatly increased.

As shown in fig. 4, the working head 10 is flat, a pad hole 15 is formed at an end of the working head 10, two guiding edges 16 are respectively arranged at two sides of a placing area 14 behind the pad hole 15, the guiding edges are arranged at the left and right sides, the sludge is guided into the placing area 14 below, and a dirt outlet 17 which is opened in a splayed shape is formed behind the placing area 14.

The utility model discloses detachably installs the backing plate on the backing plate hole that well set up, when digging the machine and excavating, silt can drop on the backing plate, only need through dismantle the backing plate rinse can, it is more convenient high-efficient, the vertical height of its working head and working face both sides is higher than the vertical height of placing the district, a sunken district of placing has been formed, place the strengthening rib of district rear for the people font can let the tooth body more firmly durable in the time, can also carry out the separation with mud, when digging the machine and excavating, the rear side of placing the district after silt is piled up and extrudees falls out, its unique design can prevent well that most silt from piling up glutinous even at the tooth overhead, and the silt of the part rear part mountain of rag that the subtotal is even, then can accomplish the clearance through water washing or cleaning, when promoting the whole life of tooth head, work efficiency is greatly improved.

The diameter of the assembling part 2 at the bottom is smaller than that of the tooth body 1, a vertical connecting edge 18 is formed between the bottom of the assembling part 2 close to one side of the working head 10 and the assembling part, a convex positioning head 19 is further arranged at one side of the assembling part 2 close to the working head 10, and friction cross grains 20 are respectively arranged at two sides of the positioning head 19.

Two sides of the mud blocking top 12 are provided with surrounding edges 21 which are obliquely and downwardly arranged, the surrounding edges 21 are sequentially decreased from left to right to form a ladder shape, two downward-inclined protecting edges 23 are arranged at the tail part 22, and the tail part 22 is wrapped by the protecting edges 23.

The utility model discloses the holistic intensity of fixed tooth has been guaranteed to the surrounding edge and the safe edge that well set up, still is provided with location head and friction band, can fix a position the geared head well through surrounding edge and safe edge and location head and friction band, guarantees that the geared head firmly installs and fixes on digging the machine, prevents that the during operation geared head from shifting.

The two reinforcing ribs 24 are arranged above the mud blocking top 12 respectively, each reinforcing rib 13 is arranged towards one side of the working head 10 in a herringbone mode, the tooth body can be firmer and more durable through the reinforcing ribs 13, and the mud can be blocked through the herringbone arrangement.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. The utility model provides a fixed tooth that uses on excavator, it includes the tooth body, its characterized in that: the tooth body comprises the assembly portion of bottom and the work portion at top, and wherein the assembly portion of bottom downwardly protrudes the massive locating convex block of shaping, and this locating convex block is inside to be provided with the constant head tank that is 8 font, is provided with two threaded fixed orificess in 8 font constant head tank to still set up the inside sunken draw-in groove of round on the side of this locating convex block, the work portion comprises the working head and the working face of one end, and wherein the working face becomes protruding form, sets up the bellied mud top that hinders that increases work portion weight inside in the centre, installs an at least strengthening rib in the top of hindering the mud top, and this working head slope is arranged to the incline, and its bottom undercut forms one and is used for depositing the district of placing of mud.

2. The stationary tooth for use on an excavator of claim 1 wherein: the working head is flat, a pad hole is formed in the end portion of the working head, two guiding edges which are arranged left and right are arranged on two sides of a placing area behind the pad hole respectively, sludge is led into the placing area below the placing area, and a splayed sludge outlet is formed in the rear of the placing area.

3. The stationary tooth for use on an excavator of claim 1 wherein: the diameter of the assembling part at the bottom is smaller than that of the tooth body, a vertical connecting edge is formed between the bottom of the assembling part close to one side of the working head and the assembling part, a convex positioning head is further arranged at one side of the assembling part close to the working head, and friction cross grains are respectively arranged at two sides of the positioning head.

4. The stationary tooth for use on an excavator of claim 1 wherein: the mud blocking roof is characterized in that surrounding edges which are obliquely and downwards arranged are arranged on two sides of the mud blocking roof, the surrounding edges sequentially decrease progressively from left to right to form a ladder shape, two protective edges which are downwards inclined are arranged at the tail part, and the tail part is wrapped by the protective edges.

5. The stationary tooth for use on an excavator of claim 1 wherein: the strengthening rib totally has two, installs respectively and hinders mud top, and every strengthening rib is chevron shape and arranges towards work head one side, can let the tooth body more firmly durable through the strengthening rib, also can arrange through its chevron shape and carry out the separation with mud.