High-strength rotary excavating bucket tooth

Abstract

The utility model relates to the technical field of drilling tools of rotary excavating pile machines, and discloses a high-strength rotary excavating bucket tooth which comprises a rotary drum, the top end of the rotary drum is rotatably connected with a top plate, the middle of the top end of the top plate is rotatably connected with a bottom plate, the top end of the bottom plate is fixedly connected with a mounting seat, and the top end of the mounting seat is fixedly connected with a mounting drum. A tooth body is arranged in the mounting cylinder, two inserting rods are arranged at the bottom end of the tooth body, limiting grooves are formed in the sides, away from each other, of the two inserting rods, and the inserting rods are connected with the mounting cylinder through limiting assemblies. According to the utility model, the limiting block is inserted into the through groove, and the limiting rod is inserted into the limiting groove in the inserting rod, so that the inserting rod can be prevented from retracting, the whole process is simple and convenient to operate, the rapid installation of the tooth body is realized, the stability of the tooth body is greatly improved, the loosening risk in use is reduced, and the working efficiency and the safety are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the drilling tool technical field of rotary digging pile machine especially relates to a high strength rotary digging bucket tooth. BACKGROUND

[0002] With the need of city development, a large number of newly-built high-rise, super high-rise buildings need to carry out deep foundation pit excavation to the proposed site, and effectively support the sidewall of foundation pit, and the foundation pit support generally adopts the method of cast-in-place bored pile, and a circle of support piles is formed around the foundation pit.

[0003] In the process of foundation pit support cast-in-place bored pile construction, rotary digging pile machine is often used for opening, a drill rod is arranged on the rotary digging pile machine body, a power head is slidably connected on the rotary digging pile machine body, the drill rod is inserted into the power head, a drill bit is arranged at the bottom of the drill rod, the main working component of the rotary digging pile machine is the drill bit, the drill bit comprises a drill bit body and a drill bit bottom cover, drill teeth are arranged below the bottom cover, the drill bit enters the drill hole, the power head drives the drill rod to rotate, so that the drill bit bottom cover rotates the soil into the drill bit body, after the drill bit body is filled, the drill rod lifts the drill bit to the ground, the operator opens the drill bit bottom cover, and the soil in the drill bit body is unloaded.

[0004] The existing installation mode of the tooth body is generally to align the tooth body with the mounting seat, and then to hit the tooth body into the mounting seat by a tool, but this installation mode not only has the risk of loosening the tooth body, but also causes damage to the tooth body, and the process of hitting the tooth body is also very unsafe, in view of the technical problem, the present application provides a high-strength rotary digging bucket tooth. CONTENT OF UTILITY MODEL

[0005] The utility model discloses a kind of high-strength rotary digging bucket teeth to solve the shortcomings in prior art, by inserting limiting block into through slot, and make limiting rod insert into the limiting slot on plug rod, it can avoid plug rod retraction, the whole process is simple and convenient to operate, realize the quick installation of tooth body, and greatly improve the stability of tooth body, reduce the risk of loosening in use, protect work efficiency and safety;By setting tooth tip layer, the tooth body can be easily cut into and broken rock-soil, greatly improve the wear resistance of tooth body, prolong the service life of tooth body, by setting tooth body layer, the tooth body can keep good shape stability and structural integrity, avoid plastic deformation or fracture.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a high -strength rotary -digging bucket tooth, including the rotary drum, the top end of rotary drum is rotatively connected with the top plate, the top end of top plate is rotatively connected with the bottom plate, the top end of bottom plate is fixedly connected with the mounting seat, the top end of mounting seat is fixedly connected with the mounting cylinder, the mounting cylinder is provided with the tooth body, the bottom of tooth body is provided with two insertion rods, and the side away from each other of two insertion rods is equipped with the limiting slot, and the insertion rod is connected with the mounting cylinder through the limiting component.

[0008] Further, the limiting component includes a fixing block at the top end of the insertion rod, a fixing rod fixedly connected to the bottom end of the fixing block, a limiting block slidingly connected to the bottom end of the fixing rod, a spring I provided on the inner wall of the bottom end of the limiting block, one end of the spring I connected to the limiting block, and the other end of the spring I connected to the fixing rod.

[0009] Further, two insertion rods are provided with a spring II on the side close to each other, one end of the spring II connected to one of the insertion rods, and the other end of the spring II connected to the other insertion rod.

[0010] Further, the size of the limiting block is matched with the size of the limiting slot.

[0011] Further, the bottom of the tooth body is a tooth body layer, and the top of the tooth body layer is provided with a tooth tip layer.

[0012] Further, the material of the tooth body layer is high-strength alloy steel, such as 30CrMnSi steel, which contains multiple alloy elements such as chromium, manganese, and silicon, and can maintain good shape stability and structural integrity to avoid plastic deformation or fracture.

[0013] Further, the material of the tooth tip layer is tungsten carbide hard alloy, which has extremely high hardness and can easily cut into and break the rock and soil, greatly improving the wear resistance of the tooth body.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the limiting block is inserted into the through slot, and the limiting rod is inserted into the limiting slot on the insertion rod, which can avoid the retraction of the insertion rod. The whole process is simple and convenient to operate, realizes the quick installation of the tooth body, greatly improves the stability of the tooth body, reduces the risk of loosening during use, and guarantees the work efficiency and safety.

[0016] 2. In the utility model, the tooth tip layer is provided to enable the tooth body to easily cut into and break the rock and soil, greatly improving the wear resistance of the tooth body and prolonging the service life of the tooth body. The tooth body layer is provided to enable the tooth body to maintain good shape stability and structural integrity, avoiding plastic deformation or fracture. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 A perspective view of a high-strength rotary digging bucket tooth is provided in the utility model;

[0018] Fig. 2 A structure schematic view of the mounting seat of the high-strength rotary digging bucket tooth is provided in the utility model;

[0019] Fig. 3 A structure schematic view of the fixing rod of the high-strength rotary digging bucket tooth is provided in the utility model;

[0020] Fig. 4 A structure schematic view of the inserting rod of the high-strength rotary digging bucket tooth is provided in the utility model;

[0021] Fig. 5 A structure schematic view of the limiting groove of the high-strength rotary digging bucket tooth is provided in the utility model;

[0022] Fig. 6 A structure schematic view of the tooth body of the high-strength rotary digging bucket tooth is provided in the utility model.

[0023] Legend:

[0024] 1, rotary drum; 2, top plate; 3, bottom plate; 4, mounting seat; 5, tooth body; 6, mounting cylinder; 7, fixing block; 8, inserting rod; 9, spring one; 10, fixing rod; 11, limiting block; 12, spring two; 13, limiting groove; 14, tooth tip layer; 15, tooth body layer. Specific implementation

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Reference Figs. 1-3The utility model provides an embodiment: a high strength rotary digging bucket tooth, the top of rotary drum 1 is rotatively connected with top plate 2, the top middle part of top plate 2 is rotatively connected with bottom plate 3, the top of bottom plate 3 is fixedly connected with mounting seat 4, the top of mounting seat 4 is fixedly connected with mounting cylinder 6, the outer wall of mounting cylinder 6 is equipped with through slot, and the size of through slot is compatible with the size of plug rod 8, the inside of mounting cylinder 6 is provided with tooth body 5, the bottom of tooth body 5 is provided with two plug rods 8, the side away from each other of two plug rods 8 is equipped with limiting slot 13, by inserting limiting block 11 into limiting slot 13, thereby can avoid that plug rod 8 compresses spring no. 12, and then improves the stability of tooth body 5, the top of plug rod 8 is provided with fixed block 7, the bottom of fixed block 7 is fixedly connected with fixed rod 10, the bottom of fixed rod 10 is slidably connected with limiting block 11, the bottom inner wall of limiting block 11 is provided with spring no. 9, one end of spring no. 9 is connected with limiting block 11, the other end of spring no. 9 is connected with fixed rod 10, by setting spring no. 9 can push limiting block 11 into limiting slot 13.

[0027] Refer to Figs. 4-6 Wherein, the side near of two plug rods 8 is provided with spring no. 2, one end of spring no. 2 is connected with one of plug rods 8, the other end of spring no. 2 is connected with another plug rod 8, by setting spring no. 2 can push plug rod 8 out of through slot, thereby limiting tooth body 5. The size of limiting block 11 is compatible with the size of limiting slot 13. The bottom of tooth body 5 is tooth body layer 15, the top of tooth body layer 15 is provided with tooth tip layer 14. The material of tooth body layer 15 is high-strength alloy steel, such as 30CrMnSi steel, which contains chromium, manganese, silicon and other alloy elements, can keep good shape stability and structural integrity, avoid plastic deformation or fracture. The material of tooth tip layer 14 is tungsten carbide hard alloy, tungsten carbide has very high hardness, can easily cut into and crush rock and soil, greatly improves the wear resistance of tooth body 5.

[0028] Working principle: first, two plug rods 8 are pushed to the middle, thereby compressing spring no. 2, then the bottom of tooth body 5 is inserted into mounting cylinder 6, then limiting block 11 is moved upwards, so that limiting block 11 compresses spring no. 9, when plug rod 8 moves slot is located in the through slot on the outer wall of mounting cylinder 6, by spring no. 2 restores can push plug rod 8 out of the through slot, thereby limiting tooth body 5, then release limiting block 11, so that spring no. 9 pushes limiting block 11 into limiting slot 13 on plug rod 8, avoid that plug rod 8 compresses spring no. 2, thereby improves the stability of tooth body 5, by setting tooth tip layer 14 can improve the wear resistance of tooth body 5, by setting tooth body layer 15 can keep good shape stability and structural integrity, avoid plastic deformation or fracture.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-strength rotary excavating bucket tooth characterized by, The utility model relates to a kind of rotary drum, including rotary drum (1), the top end of rotary drum (1) is rotatably connected with top plate (2), the top end of top plate (2) is rotatably connected with bottom plate (3), the top end of bottom plate (3) is fixedly connected with mounting seat (4), the top end of mounting seat (4) is fixedly connected with mounting cylinder (6), tooth body (5) is provided in mounting cylinder (6), the bottom of tooth body (5) is provided with two insertion rods (8), the side of two insertion rods (8) is apart from and is equipped with limiting slot (13), and insertion rod (8) is connected with mounting cylinder (6) by limiting component; The limiting component includes fixed block (7) located in the top end of insertion rod (8), the bottom of fixed block (7) is fixedly connected with fixed rod (10), the bottom of fixed rod (10) is slidably connected with limiting block (11), the bottom inner wall of limiting block (11) is provided with spring one (9), one end of spring one (9) is connected with limiting block (11), and the other end of spring one (9) is connected with fixed rod (10).

2. The high-strength rotary digging tooth according to claim 1, characterized in that: The side of two insertion rods (8) is close to and is equipped with spring two (12), one end of spring two (12) is connected with one insertion rod (8), and the other end of spring two (12) is connected with another insertion rod (8).

3. The high-strength, rotary excavating tooth of claim 1 wherein: The size of limiting block (11) is compatible with the size of limiting slot (13).

4. The high-strength rotary digging tooth of claim 1, wherein: The bottom of tooth body (5) is tooth body layer (15), and the top of tooth body layer (15) is provided with tooth tip layer (14).

5. The high-strength, rotary excavating tooth according to claim 4, wherein: The material of tooth body layer (15) is high-strength alloy steel.

6. The high-strength rotary digging tooth of claim 4, wherein: The material of tooth tip layer (14) is tungsten carbide hard alloy.

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