CN214997462U

CN214997462U - Claw plate tooth

Info

Publication number: CN214997462U
Application number: CN202121546460.6U
Authority: CN
Inventors: 黄庆广; 徐大林; 吕绪朋; 杨道光; 张子明; 孟祥迪; 亓宪法
Original assignee: Yanggu Xiagong Forging Co ltd
Current assignee: Jiangsu Kengbo Heavy Industry Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-03
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a goat's horn plate tooth, including the parent, be provided with two carbide heads on the parent, two carbide heads are the V-arrangement setting, and the upper end of every carbide head is the V-arrangement respectively, and the overhead position that is close to the middle part of every carbide is provided with the plane, and the both sides of carbide head are close to planar position and are provided with the inclined plane respectively, and the inclined plane forms the line of cut with planar juncture. The utility model discloses two carbide tooth heads have been designed at board tooth cutting position both ends to at overhead two lines of cut of having seted up of carbide, can fully decompose and decide the operation in-process rig reversal, the board tooth body wearing and tearing that lead to are serious, thereby shorten board tooth life's problem greatly, and the lower problem of cutting efficiency and footage efficiency.

Description

Claw plate tooth

Technical Field

The utility model relates to a board tooth, concretely relates to goat's horn board tooth belongs to engineering tool technical field.

Background

The pile foundation engineering machinery-rotary drilling rig needs to use plate teeth in the drilling process, and the plate tooth mounting device is a barrel drill or a rotary drilling bit. The torque force is output to the barrel drill or the rotary drilling bit through the mast of the drilling machine and the power head, forward rotation and reverse rotation are used for drilling operation due to different stratum geology in the construction process, and the plate tooth bears impact and friction of rocks and soil in the stratum.

The traditional plate tooth structural design is that hard alloy is welded on one side of the head, the drilling machine is only suitable for forward rotation in the operation process, and if the drilling machine needs to be used for reverse rotation in the operation process, the abrasion of a plate tooth body is serious, so that the service life of the plate tooth is greatly shortened. Meanwhile, only one cutting surface is arranged on the traditional plate tooth, so that the cutting efficiency and the footage efficiency are lower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's the aforesaid not enough, provide a goat's horn board tooth.

In order to solve the above problem, the utility model adopts the following technical scheme: the utility model provides a goat's horn plate tooth, includes the parent, is provided with two carbide heads on the parent, and two carbide heads are the V-arrangement setting, and the upper end of every carbide head is the V-arrangement respectively, and the overhead position that is close to the middle part of every carbide is provided with the plane, and the both sides of carbide head are close to planar position and are provided with the inclined plane respectively, and the inclined plane forms the line of cut with planar juncture.

The following is the utility model discloses to the further optimization of above-mentioned scheme: one end of the parent body is provided with two bulges which are arranged in central symmetry and form a V shape.

Further optimization: and each bulge is provided with an alloy groove for accommodating the hard alloy head.

Further optimization: the hard alloy head is bonded with the matrix by brazing.

Further optimization: a first groove is formed in the position, close to one side of the hard alloy head, of the matrix.

Further optimization: keep away from bellied one end an organic whole on the parent and be connected with two otic placodes, interval certain distance parallel arrangement between two otic placodes.

Further optimization: the parent is connected with a mounting seat, and a groove for accommodating the lug plate is formed in the mounting seat.

Further optimization: a counter bore is formed in one of the two ear plates, a round hole is formed in the counter bore, a screw hole is formed in the other ear plate, and the screw hole, the round hole and the counter bore are coaxially arranged.

Further optimization: the two hard alloy heads are arranged in a staggered mode in the axial direction of the counter bore.

Further optimization: and wear-resistant layers are respectively arranged at the positions, close to the corresponding hard alloy heads, of the two side surfaces of the matrix.

When the device is used, the matrix is installed on an installation seat installed on a barrel drill, then the matrix is fastened through bolt connection, and then a stud is installed.

The utility model discloses two carbide tooth heads have been designed at board tooth cutting position both ends to at overhead two lines of cut of having seted up of carbide, can fully decompose and decide the operation in-process rig reversal, the board tooth body wearing and tearing that lead to are serious, thereby shorten board tooth life's problem greatly, and the lower problem of cutting efficiency and footage efficiency.

The present invention will be further explained with reference to the drawings and examples.

Drawings

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

fig. 2 is a schematic structural diagram of the present invention in an embodiment;

fig. 3 is a schematic view of the installation of the present invention with the installation base in the embodiment;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure: 1-parent substance; 2-counter bore; 3-screw holes; 4-a circular hole; 5-ear plate; 6-wear resistant layer; 7-alloy tank; 8-hard alloy head; 9-inclined plane; 10-a cutting line; 11-plane; 12-a first groove; 13-a second groove; 14-a bump; 15-a mounting seat; 16-a stud; 17-a first arc-shaped slot; 18-a second arc-shaped slot; 19-bolt.

Detailed Description

In an embodiment, as shown in fig. 1 to 4, a claw plate tooth includes a mother body 1 formed by forging and pressing through a forging process, two hard alloy heads 8 are arranged on the mother body 1, the two hard alloy heads 8 are arranged in a V-shape or claw-shape, the upper end of each hard alloy head 8 is respectively in a V-shape, a plane 11 is arranged on each hard alloy head 8 near the middle, inclined planes 9 are respectively arranged on two sides of each hard alloy head 8 near the plane 11, and a cutting line 10 is formed at the junction of the inclined planes 9 and the plane 11.

Two bulges 14 are arranged at one end of the parent body 1, and the two bulges 14 are arranged in a central symmetry manner and form a V shape.

Each protrusion 14 is provided with an alloy groove 7 for accommodating the hard alloy head 8, the longitudinal section of each alloy groove 7 is U-shaped, and the upper end and one side of each alloy groove 7 penetrate through the upper end face and the side face of the corresponding protrusion 14 respectively, so that the hard alloy heads 8 can be mounted conveniently.

The hard alloy head 8 is made of tungsten-cobalt alloy, and the hard alloy head 8 is bonded with the matrix 1 by adopting a brazing process.

The first groove 12 that the slope set up is seted up to the position that is close to 8 one sides of carbide head on the matrix 1, and the longitudinal section of first groove 12 is the arc, is convenient for the chip removal like this.

The one end an organic whole that keeps away from protruding 14 on the parent 1 is connected with two otic placodes 5, and the interval certain distance parallel arrangement between two otic placodes 5.

Be connected with mount pad 15 on the parent 1, set up the groove that holds otic placode 5 on the mount pad 15, the installation of parent 1 of being convenient for like this.

One of the two ear plates 5 is provided with a counter bore 2, the longitudinal section of the counter bore 2 is circular, a round hole 4 is formed in the counter bore 2, the other ear plate 5 is provided with a screw hole 3, and the screw hole 3, the round hole 4 and the counter bore 2 are coaxially arranged.

Two carbide heads 8 are arranged in the axis direction of counter bore 2 in a staggered manner, and an arc-shaped groove is formed on matrix 1 at a position close to the position between two carbide heads 8, so that chips can be removed conveniently.

And two side surfaces of the matrix 1 are respectively provided with a wear-resistant layer 6 at positions close to the corresponding hard alloy heads 8, so that the wear resistance of the matrix 1 is enhanced.

A second groove 13 is formed in the position, close to the lower portion of the hard alloy head 8, of the parent body 1, and therefore the parent body 1 is designed to be matched with the mounting seat 15 conveniently and used for limiting the mounting depth of the parent body 1 on the mounting seat 15.

The parent body 1 is connected with the mounting seat 15 through a bolt 19, the bolt 19 is an inner hexagonal bolt, and one end of the bolt 19 sequentially penetrates through the counter bore 2 and the round hole 4 and is connected with the screw thread of the screw hole 3.

And an anti-loosening unit is arranged between the bolt 19 and the counter bore 2 and is used for preventing the bolt 19 from rotating automatically when in work.

The anti-loosening unit comprises a stud 16 arranged between one end of a bolt 19 and the counter bore 2, and the axis of the stud 16 is parallel to the axis of the bolt 19.

The bolt 19 is provided with a first arc-shaped groove 17 for fusing one side of the stud 16, and the inner wall of the counter bore 2 is provided with a second arc-shaped groove 18 for accommodating the other side of the stud 16.

The first arc-shaped groove 17 and the second arc-shaped groove 18 enclose a threaded hole matched with the stud 16 for use, and one end of the second arc-shaped groove 18 penetrates through one side face of the parent body 1, so that the stud 16 is convenient to mount.

One end of the stud 16 is provided with a groove, and the longitudinal section of the groove is hexagonal, so that the stud can be conveniently matched with an internal hexagonal wrench.

In use, the matrix 1 is mounted on a mounting seat 15 mounted on a barrel drill, then is fastened through a bolt 19, and then is mounted on a stud 16.

Claims

1. The utility model provides a goat's horn board tooth which characterized in that: including parent (1), be provided with two carbide heads (8) on parent (1), two carbide heads (8) are the V-arrangement setting, and the upper end of every carbide head (8) is the V-arrangement respectively, and is close to the position in middle part on every carbide head (8) and is provided with plane (11), and the both sides of carbide head (8) are close to the position of plane (11) and are provided with inclined plane (9) respectively, and the juncture of inclined plane (9) and plane (11) forms line of cut (10).

2. The cleat tooth of claim 1, wherein: two bulges (14) are arranged at one end of the parent body (1), and the two bulges (14) are arranged in a centrosymmetric manner and form a V shape.

3. The cleat tooth of claim 2, wherein: and each bulge (14) is provided with an alloy groove (7) for accommodating a hard alloy head (8).

4. The cleat tooth of claim 3, wherein: the hard alloy head (8) is bonded with the matrix (1) by brazing.

5. The claw bar of claim 4, wherein: a first groove (12) is formed in the position, close to one side of the hard alloy head (8), of the matrix (1).

6. The claw bar of claim 5, wherein: one end of the parent body (1) far away from the bulge (14) is integrally connected with two lug plates (5), and the two lug plates (5) are arranged in parallel at a certain interval.

7. The claw bar of claim 6, wherein: the parent body (1) is connected with a mounting seat (15), and the mounting seat (15) is provided with a groove for accommodating the lug plate (5).

8. The claw bar of claim 7, wherein: one of the two ear plates (5) is provided with a counter bore (2), a round hole (4) is formed in the counter bore (2), the other ear plate (5) is provided with a screw hole (3), and the screw hole (3), the round hole (4) and the counter bore (2) are coaxially arranged.

9. The cleat tooth of claim 8, wherein: the two hard alloy heads (8) are arranged in a staggered mode in the axial direction of the counter bore (2).

10. The cleat tooth of claim 9, wherein: and two side surfaces of the matrix (1) are respectively provided with a wear-resistant layer (6) at positions close to the corresponding hard alloy heads (8).