CN210427080U

CN210427080U - Line location changes tooth

Info

Publication number: CN210427080U
Application number: CN201921365858.2U
Authority: CN
Inventors: 耿世春; 李峰
Original assignee: Jilin Ruilian Vehicle Equipment Manufacturing Co Ltd
Current assignee: Jilin Ruilian Vehicle Equipment Manufacturing Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-04-28
Anticipated expiration: 2029-08-21

Abstract

The utility model provides a tooth is changeed in word location, including changeing the tooth main part, change the tooth main part by direction handle, drillstock, drill seat, drilling rod and toothholder and constitute, bore the tooth mold insert and inlay on the up end of toothholder, the utility model discloses simple structure, reasonable in design installs in the top of the drill bit that fetches earth for supplementary fetching earth bores and fetches earth at the sand region and takes earth, and it is stable to have the location of fetching earth, and the cross section that fetches earth enlarges quick characteristics, can effectively reduce the regional degree of difficulty of fetching earth of sand, and simultaneously, bore the tooth mold insert and can dismantle, inlay stability and intensity height, long service life, the design of guide way and constant head tank can effectively improve the axial precision of commentaries on classics tooth and the drill bit that fetches earth, connects surely all and intensity, effectively prevents to change the tooth pine and take off, improves the stability and the continuation of fetching earth at the sand region.

Description

Line location changes tooth

Technical Field

The utility model relates to a drill bit articles for use technical field, especially a tooth is changeed in word location.

Background

China has abundant soil resources, frequent civil construction activities and huge demand on soil, so that the market needs geological exploration or soil borrowing. When geological exploration or soil taking is carried out, a soil taking drill is often required to be used for soil taking.

When the earth drill used at present carries out exploration or soil taking of a sandy soil layer, the earth drill generally slides due to the fact that the sandy soil layer is soft in texture, and the main reason is that the earth drill is not positioned at a contact point of the earth drill and the sandy soil layer, so that the earth drill is extremely easy to deflect when rotating.

SUMMERY OF THE UTILITY MODEL

The utility model is directed to the above-mentioned problem to a word location commentaries on classics tooth is proposed.

The specific technical scheme is as follows:

the linear positioning rotating tooth is characterized by comprising a rotating tooth main body, wherein the rotating tooth main body is composed of a guide handle, a drill seat, a drill rod and a tooth seat, the guide handle, the drill seat, the drill rod and the tooth seat are of an integrated structure, the guide handle, the drill seat and the drill rod are coaxially arranged, the guide handle is in a circular platform shape, the drill handle is in a prism shape, the drill seat is in a frustum shape, the drill rod is in a cylindrical shape, and the top of the drill rod is in a conical shape;

the tooth holder is arranged on the drill holder in axial symmetry relative to the drill rod, one side of the tooth holder is connected with the drill holder and the drill rod, the upper end face of the tooth holder is a slope and is distributed in a step shape, and the tooth holder is uniformly provided with the drill tooth inserts which are embedded on the upper end face of the tooth holder;

further, the tooth drilling insert comprises an upper tooth surface, a side tooth surface and a lower veneering surface, wherein the upper tooth surface is obliquely arranged, the longitudinal section of the upper tooth surface is semicircular, the side tooth surface is vertically arranged, and the cross section of the side tooth surface is semicircular;

furthermore, the lower attaching surface is matched with a slope of the upper end surface of the tooth holder, an embedding groove is formed in the slope, the embedding groove is T-shaped, an embedding block is arranged downwards on the lower attaching surface, and the embedding block is T-shaped and matched with the embedding groove;

further, the top of the drill rod is conical or quadrangular;

further, the drill rod is in a quadrangular prism shape or a hexagonal prism shape;

furthermore, a plurality of guide grooves are formed in the outer wall of the guide handle in a circular truncated cone shape, and are circumferentially and uniformly distributed;

furthermore, the drill handle is symmetrically provided with positioning grooves, the positioning grooves are annular, and the cross section of each positioning groove is trapezoidal.

The utility model has the advantages that:

Drawings

Fig. 1 is a schematic view of the present invention.

FIG. 2 is a sectional view taken along line A-A in FIG. 1.

Fig. 3 is a schematic view of a tooth insert.

Fig. 4 is a left side view of the drilling insert of fig. 3.

Fig. 5 is a right side view of the drilling insert of fig. 3.

Detailed Description

For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the embodiment below the utility model discloses it is further described, any right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope.

The in-line positioning rotating tooth is characterized by comprising a rotating tooth main body 1, wherein the rotating tooth main body 1 is composed of a guide handle 2, a drill handle 3, a drill seat 4, a drill rod 5 and a tooth seat 6, the guide handle 2, the drill handle 3, the drill seat 4, the drill rod 5 and the tooth seat 6 are of an integrated structure, the guide handle 2, the drill handle 3, the drill seat 4 and the drill rod 5 are coaxially arranged, the guide handle 2 is in a circular table shape, the drill handle 3 is in a prism shape, the drill seat 4 is in a frustum shape, the drill rod 5 is in a cylindrical shape, and the top of the drill rod 5 is in a conical shape;

the tooth holder 6 is arranged on the drill holder 4 in axial symmetry relative to the drill rod 5, one side of the tooth holder is connected with the drill holder 4 and the drill rod 5, the upper end surface of the tooth holder 6 is a slope 7 and is distributed in a step shape, drill tooth inserts 8 are uniformly arranged on the slope, and the drill tooth inserts 8 are embedded on the upper end surface of the tooth holder 6;

further, the tooth drilling insert 8 comprises an upper tooth surface 9, a side tooth surface 10 and a lower veneering 11, wherein the upper tooth surface 9 is obliquely arranged, the longitudinal section of the upper tooth surface is semicircular, the side tooth surface 10 is vertically arranged, and the cross section of the side tooth surface is semicircular;

further, the lower attaching surface 11 is fitted with a slope 7 on the upper end surface of the tooth holder 6, an embedding groove 12 is formed in the slope 7, the embedding groove 12 is in a T shape, an embedding block 13 is arranged on the lower attaching surface 11 in a downward direction, and the embedding block 13 is in a T shape and fitted with the embedding groove 12;

further, the top of the drill rod 5 is conical or quadrangular pyramid-shaped;

further, the drill rod 5 has a quadrangular prism shape or a hexagonal prism shape;

further, a plurality of guide grooves 14 are formed in the outer wall of the guide handle 2 in a circular truncated cone shape, and the plurality of guide grooves 14 are uniformly distributed in the circumferential direction;

furthermore, the drill handle 3 is symmetrically provided with positioning grooves 15, the positioning grooves 15 are annular, and the cross section of each positioning groove 15 is trapezoidal.

The utility model relates to a line-shaped positioning rotary tooth, which is arranged at the top of an earth-taking drill bit and is used for assisting the earth-taking drill to take earth in a sandy soil area;

when the device is used, the top of the drill rod is jacked and inserted into sandy soil to be positioned, then the soil sampling drill is started, the rotary tooth main body rotates rapidly along with the rotation of the soil sampling drill, the drill rod rapidly drills into the sandy soil, then the drilling tooth insert on the tooth base is in contact with frozen soil, the soil-eating cross section is rapidly enlarged, the soil sampling by the soil sampling drill is facilitated, and the soil sampling efficiency of the soil sampling drill is accelerated;

the tooth holder of the utility model adopts a step-type design, the drilling tooth insert is also distributed in a step-type manner on the tooth holder, the soil-eating cross section is gradually enlarged from small to large, the enlarging difficulty of the soil-eating cross section is reduced, the drilling tooth insert is embedded on the tooth holder and is convenient to replace, the drilling tooth insert and the tooth holder are embedded through the T-shaped embedding block and the embedding groove, and the embedding stability and the embedding strength of the drilling tooth insert and the tooth holder are improved;

the guide groove is formed in the guide handle, axial combination precision of the rotary tooth and the soil sampling drill bit can be provided, meanwhile, the positioning groove is formed in the drill handle, connection precision and connection strength of the rotary tooth and the soil sampling drill bit can be improved, and the rotary tooth is prevented from loosening;

to sum up, the utility model discloses simple structure, reasonable in design installs in the top of drill bit that fetches earth for supplementary soil sampling bores and fetches earth in the sand region, it is stable to have the location of fetching earth, it enlarges quick characteristics to eat the soil cross section, can effectively reduce the regional degree of difficulty of fetching earth of sand, and simultaneously, bore the tooth mold insert and can dismantle, inlay stability and intensity height, long service life, the design of guide way and constant head tank can effectively improve the axial precision of commentaries on classics tooth and drill bit that fetches earth, be connected surely all and intensity, effectively prevent to change the tooth pine and take off, improve stability and the continuation of fetching earth in the sand region.

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. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The linear positioning rotating tooth is characterized by comprising a rotating tooth main body, wherein the rotating tooth main body is composed of a guide handle, a drill seat, a drill rod and a tooth seat, the guide handle, the drill seat, the drill rod and the tooth seat are of an integrated structure, the guide handle, the drill seat and the drill rod are coaxially arranged, the guide handle is in a circular platform shape, the drill handle is in a prism shape, the drill seat is in a frustum shape, the drill rod is in a cylindrical shape, and the top of the drill rod is in a conical shape;

the tooth holder is arranged on the drill holder in axial symmetry relative to the drill rod, one side of the tooth holder is connected with the drill holder and the drill rod, the upper end face of the tooth holder is a slope and is distributed in a step shape, and the tooth holder is uniformly provided with the drill tooth inserts which are embedded on the upper end face of the tooth holder.

2. The in-line positioning rotating tooth according to claim 1, wherein the drilling insert comprises an upper tooth surface, a side tooth surface and a lower facing surface, the upper tooth surface is obliquely arranged and has a semicircular longitudinal section, and the side tooth surface is vertically arranged and has a semicircular cross section.

3. The in-line positioning rotary tooth as claimed in claim 2, wherein the lower facing surface is fitted with a slope of the upper end surface of the tooth holder, the slope is provided with an insert groove, the insert groove is T-shaped, the lower facing surface is provided with an insert block facing downward, and the insert block is T-shaped and fitted with the insert groove.

4. The in-line positioning rotary tooth according to claim 1 or 3, wherein the taper of the top of the drill rod is conical or quadrangular.

5. The in-line positioning rotary tooth according to claim 4, wherein the drill rod has a prismatic shape of a quadrangular prism or a hexagonal prism.

6. The linear positioning rotating tooth according to claim 5, wherein the outer wall of the guide handle in the shape of a truncated cone is provided with a plurality of guide grooves, and the plurality of guide grooves are circumferentially and uniformly distributed.

7. The in-line positioning rotary tooth as claimed in claim 6, wherein the drill shank is symmetrically provided with positioning grooves, and the positioning grooves are annular and trapezoidal in cross section.