CN217925733U

CN217925733U - Pile foundation drill bit for welding high-strength drill bit

Info

Publication number: CN217925733U
Application number: CN202221904591.1U
Authority: CN
Inventors: 邓建辉; 黄飞飞; 朱飞
Original assignee: Jiangsu Provincial Transportation Engineering Group Co Ltd
Current assignee: Jiangsu Provincial Transportation Engineering Group Co Ltd
Priority date: 2022-07-23
Filing date: 2022-07-23
Publication date: 2022-11-29
Anticipated expiration: 2032-07-23

Abstract

The application discloses pile foundation drill bit of welding high strength brill sword, concretely relates to pile foundation drill bit field, this application includes the drill bit, the skin weld of drill bit has a plurality of hard alloy brill sword, a plurality of the surface of hard alloy brill sword is equipped with a plurality of fixing device, fixing device is including placing the piece, the three thorn that suddenly of fixed surface that places the piece is connected with, the inside threaded connection who places the piece has two first bolts, two the surface and the hard alloy brill sword threaded connection of first bolt, the sliding surface who places the piece is connected with two fixed blocks, two the size of fixed block and the size looks adaptation of first bolt, this application can be through the piece of placing that has the thorn for hard alloy brill sword change, reaches the effect of restoreing the brill sword, can avoid falling because of the thorn suddenly on the brill sword, and the condition emergence of just changing the drill bit to the use cost of drill bit has been reduced.

Description

Pile foundation drill bit for welding high-strength drill bit

Technical Field

The utility model belongs to the technical field of the pile foundation drill bit and specifically relates to a pile foundation drill bit of welding high strength drill tool is related to.

Background

Pile-foundation drill bits are used to drill holes in the ground and are the primary tool for breaking rock.

The inventor finds in daily work when punching for the ground of difference, need weld different brill sword on the drill bit, accomplishes punching to ground, when the drill bit bore the underground local more hard, has some spurs on the drill bit welded brill sword and is collapsed, makes the brill sword take place to damage, because the brill sword welds on the drill bit, and then inconvenient change brill sword comes the completion to the maintenance of drill bit, and then influences the result of use of drill bit.

In order to solve the problem that the service efficiency of the drill bit is reduced when the bur on the drill bit is damaged, the prior art adopts a mode of directly replacing the drill bit for processing, but the whole drill bit needs to be directly replaced because only part of the drill bit on the drill bit is damaged, thereby increasing the use cost of the drill bit.

SUMMERY OF THE UTILITY MODEL

This application provides a pile foundation drill bit of welding high strength drill bit for solving the bur on the drill bit when taking place to damage, reduces the problem of drill bit availability factor.

In order to achieve the purpose, the following technical scheme is adopted in the application: the utility model provides a pile foundation drill bit of welding high strength brill sword, includes the drill bit, the skin weld of drill bit has the hard alloy of a plurality of to bore the sword, a plurality of the surface of hard alloy brill sword is equipped with a plurality of fixing device, fixing device is including placing the piece, the fixed surface of placing the piece is connected with three bur, the internal thread who places the piece is connected with two first bolts, two the surface and the hard alloy of first bolt bore sword threaded connection, the sliding surface who places the piece is connected with two fixed blocks, two the size of fixed block and the size looks adaptation of first bolt.

The effect that above-mentioned part reaches is: when the hard alloy drill bit on the drill bit meets a hard underground place and the spurs on the drill bit are collapsed, the placing block with the spurs can be replaced for the hard alloy drill bit, the effect of repairing the hard alloy drill bit is achieved, the situation that the drill bit needs to be replaced due to the fact that the spurs on the hard alloy drill bit are collapsed can be avoided, and therefore the using cost of the drill bit is reduced.

Preferably, the surface of the placing block is fixedly connected with two limiting plates, and the two limiting plates are slidably connected with the two fixing blocks.

The effect that above-mentioned part reaches is: the moving track of the fixing block can be limited through the limiting plate, so that the fixing block can better reach the surface of the first bolt, and the effect of limiting the first bolt is achieved.

Preferably, two the surface sliding connection of fixed block has four bolts, place the surface of piece and seted up four fixed slots, four the size of bolt and place four fixed slot size looks adaptations on the piece.

The effect that above-mentioned part reaches does: the position of the fixing block can be fixed, and the fixing block is prevented from being separated from the first bolt.

Preferably, the surface of the placing block is connected with a protective shell in a sliding mode, the inner thread of the protective shell is connected with a second bolt, and the size of the protective shell is matched with that of the fixing block.

The effect that above-mentioned part reaches does: the first bolt can be covered, and the situation that the first bolt is inconvenient to disassemble due to the fact that a nut of the first bolt is damaged when a drill bit is used is prevented.

Preferably, one end of the placing block, which is close to the hard alloy drill cutter, is fixedly connected with a positioning block, a positioning groove is formed in the surface of the hard alloy drill cutter, and the size of the positioning groove in the hard alloy drill cutter is matched with that of the positioning block.

The effect that above-mentioned part reaches is: the position of the placing block on the hard alloy drill bit can be conveniently positioned, and the placing block and the hard alloy drill bit are conveniently fixed together by the first bolt.

Preferably, the surface of drill bit is equipped with a plurality of auxiliary device, auxiliary device includes the couple, the fixed surface of couple is connected with the additional board, the fixed surface of additional board is connected with the spring, the one end fixedly connected with movable plate that the movable plate was kept away from to the spring, movable plate and couple sliding connection.

The effect that above-mentioned part reaches does: the rope can be put into the hook when the drill bit needs to be hoisted, so that the rope and the drill bit can be conveniently and quickly fixed, and the drill bit is convenient to hoist.

Preferably, the spring is sleeved with a telescopic rod, and two ends of the telescopic rod are respectively and fixedly connected with the additional plate and the movable plate.

The effect that above-mentioned part reaches does: the position of the spring can be limited, so that the spring is not bent, and the stability of the spring is improved.

Preferably, the surface of the moving plate is fixedly connected with a control rod, and the control rod is connected with the additional plate in a sliding mode.

The effect that above-mentioned part reaches is: the position of the movable plate can be changed conveniently by workers.

To sum up, the beneficial effect of this application does: the placing block with the spurs can be replaced for the hard alloy drill cutter, the effect of repairing the drill cutter is achieved, the situation that the drill bit needs to be replaced due to the fact that the spurs on the drill cutter collapse can be avoided, and therefore the using cost of the drill bit is reduced.

Drawings

Fig. 1 is a perspective view of the present application.

Fig. 2 is a partial perspective view of fig. 1 of the present application.

Fig. 3 is a perspective view of the fixing device of the present application.

Fig. 4 is a schematic perspective view of the auxiliary device of the present application.

Description of reference numerals: 1. a drill bit; 2. hard alloy drill; 3. a fixing device; 31. placing the blocks; 32. bur protruding; 33. a first bolt; 34. a fixed block; 35. a limiting plate; 36. a bolt; 37. a protective shell; 38. a second bolt; 39. positioning blocks; 4. an auxiliary device; 41. hooking; 42. an additional plate; 43. a spring; 44. moving the plate; 45. a telescopic rod; 46. a control lever.

Detailed Description

Referring to fig. 1, the present embodiment discloses a pile foundation drill bit for welding a high-strength drill bit, which includes a drill bit 1, wherein the surface of the drill bit 1 is welded with a plurality of hard alloy drill bits 2, the surfaces of the plurality of hard alloy drill bits 2 are provided with a plurality of fixing devices 3, and the surface of the drill bit 1 is provided with a plurality of auxiliary devices 4.

Referring to fig. 2 and 3, the present embodiment discloses that the fixing device 3 includes a placing block 31, three spurs 32 are fixedly connected to the surface of the placing block 31, two first bolts 33 are connected to the inner threads of the placing block 31, the surfaces of the two first bolts 33 are in threaded connection with the hard alloy drill 2, two fixing blocks 34 are slidably connected to the surface of the placing block 31, and the sizes of the two fixing blocks 34 are matched with the sizes of the first bolts 33. When the hard alloy drill 2 on the drill bit 1 encounters a hard place underground and the spurs 32 on the drill are broken down, the effect of repairing the hard alloy drill 2 can be achieved by replacing the placing block 31 with the spurs 32 for the hard alloy drill 2, the situation that the drill bit 1 needs to be replaced due to the broken-down spurs 32 on the hard alloy drill 2 can be avoided, and therefore the use cost of the drill bit 1 is reduced.

Referring to fig. 2 and 3, the embodiment discloses that two limiting plates 35 are fixedly connected to the surface of the placing block 31, and the two limiting plates 35 are slidably connected with the two fixing blocks 34. The movement track of the fixing block 34 can be limited by the limiting plate 35, so that the fixing block 34 can better reach the surface of the first bolt 33, and the effect of limiting the first bolt 33 is achieved. The surface sliding connection of two fixed blocks 34 has four bolts 36, and the surface of placing the piece 31 has seted up four fixed slots, and four bolts 36's size and the four fixed slot size looks adaptations on placing the piece 31. The position of the fixing block 34 can be fixed to prevent the fixing block 34 from being separated from the first bolt 33. The surface of the placing block 31 is connected with a protective shell 37 in a sliding mode, a second bolt 38 is connected to the inner portion of the protective shell 37 in a threaded mode, and the size of the protective shell 37 is matched with that of the fixing block 34. The first bolt 33 can be covered, and the situation that the nut of the first bolt 33 is damaged when the drill bit 1 is used, so that the first bolt 33 is inconvenient to disassemble is prevented. One end of the placing block 31 close to the hard alloy drill 2 is fixedly connected with a positioning block 39, a positioning groove is formed in the surface of the hard alloy drill 2, and the size of the positioning groove in the hard alloy drill 2 is matched with that of the positioning block 39. The position of the placing block 31 on the hard alloy drill 2 can be conveniently positioned, and the first bolt 33 is convenient for fixing the placing block 31 and the hard alloy drill 2 together.

Referring to fig. 4, the present embodiment discloses that the auxiliary device 4 includes a hook 41, and the hook 41 is fixedly disposed on the drill bit 1. An additional plate 42 is fixedly connected to the surface of the hook 41, a spring 43 is fixedly connected to the surface of the additional plate 42, a moving plate 44 is fixedly connected to one end, far away from the moving plate 44, of the spring 43, and the moving plate 44 is in sliding connection with the hook 41. Can put into couple 41 with the rope when the drill bit 1 is hoisted to needs, make things convenient for the rope to fix fast with drill bit 1 to make things convenient for hoisting of drill bit 1.

Referring to fig. 4, in the embodiment, a telescopic rod 45 is sleeved inside the spring 43, and two ends of the telescopic rod 45 are fixedly connected to the additional plate 42 and the moving plate 44, respectively. The position of the spring 43 can be restricted so that the spring 43 does not bend, thereby improving the stability of the spring 43. A control rod 46 is fixedly connected to the surface of the moving plate 44, and the control rod 46 is slidably connected with the additional plate 42. It is convenient for the worker to change the position of the moving plate 44.

The working principle is as follows: when the hard alloy drill bit 2 on the drill bit 1 encounters a hard place underground and the spurs 32 on the drill bit are broken down, the placing block 31 of the broken spurs 32 can be found first, then the second bolt 38 is rotated, the protective shell 37 is moved, then the bolt 36 on the fixing block 34 is taken out, the fixing block 34 is moved along the limiting plate 35 to separate the fixing block 34 from the first bolt 33, then the first bolt 33 is rotated to remove the placing block 31 from the hard alloy drill bit 2, then the placing block 31 with the intact spurs 32 is positioned at a position on the hard alloy drill bit 2 through the positioning block 39, then the first bolt 33 is rotated to fix the placing block 31 on the hard alloy drill bit 2, then the fixing block 34 is moved to clamp the nut of the first bolt 33, then the bolt 36 is inserted, the protective shell 37 is moved to cover the first bolt 33, then the second bolt 38 is rotated to fix the position of the protective shell 37, and then the repair of the hard alloy drill bit 2 is completed. Through the fixing device 3, the placing block 31 with the spurs 32 can be replaced for the hard alloy drill 2, the effect of repairing the drill can be achieved, the situation that the drill bit 1 needs to be replaced due to the fact that the spurs 32 on the drill are collapsed can be avoided, and therefore the using cost of the drill bit 1 is reduced.

When the drill bit 1 needs to be lifted, the movable plate 44 can be moved upwards through the control rod 46, at this time, the spring 43 can be compressed, then the rope is put into the hook 41, then the control rod 46 is loosened, the spring 43 can drive the movable plate 44 to reset, the rope is clamped in the hook 41, the rope is prevented from falling off, and then the drill bit 1 can be lifted. Through auxiliary device 4, can be when needs lift drill bit 1, can put into couple 41 with the rope, make things convenient for the rope to fix fast with drill bit 1 to make things convenient for the lifting of drill bit 1.

Claims

1. The utility model provides a pile foundation drill bit of welding high strength drill cutter, includes drill bit (1), its characterized in that: the skin weld of drill bit (1) has a plurality of hard alloy to bore sword (2), a plurality of the surface of hard alloy brill sword (2) is equipped with a plurality of fixing device (3), fixing device (3) are including placing piece (31), the fixed surface who places piece (31) is connected with three bur (32), the internal thread who places piece (31) is connected with two first bolts (33), two the surface and the hard alloy brill sword (2) threaded connection of first bolt (33), the sliding surface who places piece (31) is connected with two fixed blocks (34), two the size of fixed block (34) and the size looks adaptation of first bolt (33).

2. The pile foundation drill bit of the welding high strength drill bit of claim 1, wherein: the surface of the placing block (31) is fixedly connected with two limiting plates (35), and the two limiting plates (35) are in sliding connection with the two fixing blocks (34).

3. The pile foundation drill bit of the welding high strength drill tool of claim 1, wherein: two the surperficial sliding connection of fixed block (34) has four bolt (36), four fixed slots have been seted up on the surface of placing piece (31), four the size of bolt (36) with place four fixed slot size looks adaptations on piece (31).

4. The pile foundation drill bit of the welding high strength drill bit of claim 1, wherein: the surface of the placing block (31) is connected with a protective shell (37) in a sliding mode, the inner thread of the protective shell (37) is connected with a second bolt (38), and the size of the protective shell (37) is matched with that of the fixing block (34).

5. The pile foundation drill bit of the welding high strength drill bit of claim 1, wherein: one end, close to the hard alloy drill (2), of the placing block (31) is fixedly connected with a positioning block (39), a positioning groove is formed in the surface of the hard alloy drill (2), and the size of the positioning groove in the hard alloy drill (2) is matched with that of the positioning block (39).

6. The pile foundation drill bit of the welding high strength drill bit of claim 1, wherein: the surface of drill bit (1) is equipped with a plurality of auxiliary device (4), auxiliary device (4) are including couple (41), the fixed surface of couple (41) is connected with additional board (42), the fixed surface of additional board (42) is connected with spring (43), the one end fixedly connected with movable plate (44) of movable plate (44) are kept away from in spring (43), movable plate (44) and couple (41) sliding connection.

7. The pile foundation drill bit of the welding high strength drill bit of claim 6, wherein: the spring (43) is sleeved with a telescopic rod (45), and two ends of the telescopic rod (45) are fixedly connected with the additional plate (42) and the moving plate (44) respectively.

8. The pile foundation drill bit of the welded high-strength drill tool of claim 7, wherein: the surface of the moving plate (44) is fixedly connected with a control rod (46), and the control rod (46) is connected with the additional plate (42) in a sliding mode.