Drill bit for engineering geological drilling

Abstract

The invention relates to the technical field of drill bits, in particular to a drill bit for engineering geological drilling, which comprises a main body mechanism and five blade mechanisms, and the five blade mechanisms are uniformly mounted outside the main body mechanism. The main body mechanism comprises a conical drill bit, five through grooves, five clamping grooves, five limiting blocks, a drill bit connecting piece, five limiting grooves, a threaded jacking column, five connecting blocks and ten second threaded holes. The five through grooves are symmetrically formed in the outer side wall of the conical drill bit. When a single drill tooth needs to be replaced, only the fixing block corresponding to the drill tooth needing to be replaced needs to be taken down, the third bolt is rotated out of the corresponding third threaded hole in the fixing block and the arc-shaped edge belt, and the fixing block provided with a new drill tooth is replaced, so that the material consumption and the cost in the drilling process are reduced, and the drilling efficiency is improved. The overall replacement time of the drill bit is shortened, and the drilling efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of drill bits, in particular to a drill bit for engineering geological drilling. Background Art

[0002] The purpose of engineering geology is to find out the geological conditions of various engineering sites, conduct a comprehensive evaluation of the sites and various geological problems related to them, analyze and predict the possible changes and effects of geological conditions under the action of engineering construction, select the best site, and propose engineering measures to solve unfavorable geological problems, so as to provide a reliable scientific basis for ensuring the reasonable design, smooth construction and normal use of the project; A Chinese public patent (publication number: CN219605217U) discloses a drill bit for engineering geological drilling, which includes a connecting pipe, a threaded part, a connecting part, a shell, a protruding part, an arc part and a crushing head; the side of the connecting pipe is connected to the threaded part; the threaded part is conical; a plurality of groups of limiting grooves are provided on the side of the outer peripheral surface of the connecting part; the plurality of groups of limiting grooves are symmetrically arranged on both sides of the side of the connecting part; a plurality of groups of lifting rings are provided on the side of the connecting part; a wear-resistant layer is provided on the inner wall of the lifting ring; the end of the connecting part away from the connecting pipe is connected to the shell; the utility model can effectively improve the connection transmission stability of the drill bit through the device, and by making a threaded hole at a specific position on the side of the transmission rod, a fixing screw can be inserted from the external limiting hole of the device to connect with the side of the transmission rod, thereby ensuring the connection stability of the transmission rod and the front end of the device. Compared with the traditional structure in which the connection position is far away from the top of the drill bit, the transmission connection structure of this device is more stable and the force is more uniform. However, in actual use, when the drill teeth need to be replaced due to wear or damage, the drill teeth are embedded in the drill bit, which is difficult to disassemble and assemble, and it is not convenient to simply replace the drill teeth. This not only increases the difficulty and time cost of replacement, but also may affect the continuity and efficiency of the drilling operation. At the same time, the blade, as a key component of the drill bit, its shape, angle and material have an important influence on the drilling effect. Especially under complex geological conditions, frequent blade replacement becomes one of the key factors restricting drilling efficiency. Operators often find it difficult to complete the replacement operation quickly and accurately, which not only increases the labor intensity, but also may cause a decrease in drilling quality due to improper replacement. For this reason, a drill bit for engineering geological drilling is proposed. Summary of the invention

[0003] In view of this, the present invention provides a drill bit for engineering geological drilling to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0004] The technical solution of the present invention is implemented as follows: a drill bit for engineering geological drilling, comprising a main body and five blade wing mechanisms, wherein the five blade wing mechanisms are evenly installed on the outside of the main body, and the main body comprises a tapered drill bit, five through grooves, five clamping grooves, five limit blocks, a drill bit connector, five limit grooves, a threaded top column, five connection blocks, and ten second threaded holes, wherein the five through grooves are symmetrically opened on the outer side wall of the tapered drill bit; The blade wing mechanism comprises an arc plate, a connecting plate, five second fixing bolts, a plurality of arcuate blade strips, a plurality of first grooves, a plurality of third threaded holes, a plurality of third bolts, a plurality of fixing blocks and a plurality of drill teeth, the connecting plate is slidably connected to the inner side wall of the through groove, one side of the arc plate is fixedly connected to a side of the connecting plate adjacent to the arc plate, one side of the arcuate blade strip is fixedly connected to a side of the arc plate adjacent to the arcuate blade strip, a plurality of first grooves are evenly opened on the outer side wall of the arcuate blade strip, a plurality of fixing blocks are respectively slidably connected to the inner side wall of the first groove, a plurality of third threaded holes are respectively opened on one side of the arcuate blade strip and a plurality of fixing blocks, a plurality of third bolts are respectively threadedly connected to the inner side walls of a plurality of third threaded holes, a second groove is opened on one side of a plurality of fixing blocks, and a plurality of drill teeth are respectively welded to the inner side walls of a plurality of second grooves.

[0005] Further preferably, five of the slots are symmetrically opened at the bottom of the conical drill bit, and the arc-shaped plate is clamped to the inner side walls of the slots.

[0006] Further preferably, the bottom of the five limit blocks are symmetrically fixedly connected to the top of the conical drill bit, the drill bit connector is arranged on the top of the conical drill bit, the five limit grooves are symmetrically opened at the bottom of the drill bit connector, and the limit blocks are slidably connected to the inner side walls of the limit grooves.

[0007] Further preferably, the outer side walls of the drill bit connector and the limit block are both provided with a first threaded hole, and the inner side wall of the first threaded hole is threadedly connected with a first fixing bolt.

[0008] Further preferably, the bottom of the threaded top column is fixedly connected to the bottom of the drill bit connector.

[0009] Further preferably, the five connecting blocks are symmetrically fixedly connected to the inner side wall of the conical drill bit, ten second threaded holes are respectively opened on the top of the five connecting blocks and the five connecting plates, and five second fixing bolts are respectively threadedly connected to the inner side walls of the second threaded holes opened on the five connecting blocks and the five connecting plates.

[0010] Further preferably, the bottom of the conical drill bit is arc-shaped.

[0011] Further preferably, the surface of the drill tooth is a diamond layer, and the end face of the drill tooth is an inclined surface.

[0012] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution: 1. When the drill teeth need to be replaced individually, the fixed block corresponding to the drill teeth to be replaced only needs to be removed, the third bolt is turned out from the fixed block and the corresponding third threaded hole on the arc-shaped blade, and the fixed block with the new drill teeth is replaced, thereby reducing the material consumption and cost in the drilling process, reducing the overall replacement time of the drill bit, and improving the drilling efficiency.

[0013] 2. According to the present invention, when the entire blade mechanism needs to be replaced, the first fixing bolt on the drill bit connecting part is first removed, and then the drill bit connecting part is removed from the conical drill bit, and the second fixing bolt on the blade mechanism that needs to be replaced is removed, and the fixing of the connecting plate is released, so that the blade mechanism is removed, and the installation and replacement are performed according to the above-mentioned installation steps. According to the drilling requirements, different types of drill teeth and blade mechanisms can be flexibly selected for replacement to adapt to different geological conditions, and the worn drill teeth and blade mechanisms can be replaced in time, which can extend the overall service life of the drill bit and further improve the economic benefits of drilling.

[0014] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A structural diagram of a drill bit for engineering geological drilling according to the present invention; Figure 2 It is an exploded structural diagram of the main mechanism of the present invention; Figure 3 For the present invention Figure 2 Another perspective structure diagram; Figure 4 It is a structural diagram of the blade wing mechanism of the present invention; Figure 5 The exploded structural diagram of the blade wing mechanism of the present invention; Figure 6 It is a structural diagram of the connection between the blade mechanism and the tapered drill bit of the present invention.

[0017] Figure numerals: 1. main body; 11. conical drill bit; 12. through groove; 13. slot; 14. limit block; 141. first threaded hole; 142. first fixing bolt; 15. drill bit connector; 16. limit groove; 17. threaded top column; 18. connecting block; 19. second threaded hole; 2. blade mechanism; 21. arc plate; 22. connecting plate; 23. second fixing bolt; 24. arc-shaped blade band; 25. first groove; 26. third threaded hole; 27. third bolt; 28. fixing block; 281. second groove; 29. ​​drill tooth. DETAILED DESCRIPTION

[0018] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0019] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0020] like Figure 1-6 As shown, an embodiment of the present invention provides a drill bit for engineering geological drilling, comprising a main body mechanism 1 and five blade mechanisms 2, wherein the five blade mechanisms 2 are evenly installed on the outside of the main body mechanism 1, and the main body mechanism 1 comprises a tapered drill bit 11, five through grooves 12, five clamping grooves 13, five limit blocks 14, a drill bit connector 15, five limit grooves 16, a threaded top column 17, five connection blocks 18, and ten second threaded holes 19, wherein the five through grooves 12 are symmetrically opened on the outer side wall of the tapered drill bit 11; The blade mechanism 2 includes an arcuate plate 21, a connecting plate 22, five second fixing bolts 23, a plurality of arcuate blades 24, a plurality of first grooves 25, a plurality of third threaded holes 26, a plurality of third bolts 27, a plurality of fixing blocks 28 and a plurality of drill teeth 29. The connecting plate 22 is slidably connected to the inner side wall of the through groove 12. One side of the arcuate plate 21 is fixedly connected to a side of the connecting plate 22 adjacent to the arcuate plate 21. One side of the arcuate blade 24 is fixedly connected to a side of the arcuate plate 21 adjacent to the arcuate blade 24. A plurality of first grooves 25 are evenly arranged on the outer side wall of the arcuate blade 24. A plurality of fixing blocks 28 are respectively slidably connected to the inner side wall of the first groove 25. A plurality of third threaded holes 26 are respectively arranged on one side of the arcuate blade 24 and a plurality of fixing blocks 28. A plurality of third bolts 27 are respectively threadedly connected to the inner side wall of the plurality of third threaded holes 26. A second groove 281 is arranged on one side of the plurality of fixing blocks 28. A plurality of drill teeth 29 are respectively welded to the inner side wall of the plurality of second grooves 281.

[0021] In one embodiment, five slots 13 are symmetrically opened at the bottom of the conical drill bit 11, and the arc plate 21 is clamped on the inner wall of the slot 13; through the setting of the slot 13, when the arc plate 21 is installed, the bottom of the arc plate 21 is clamped into the slot 13, and the position of the arc plate 21 is fixed, thereby improving the stability of the arc plate 21.

[0022] In one embodiment, the bottoms of the five limit blocks 14 are symmetrically fixedly connected to the top of the conical drill bit 11, the drill bit connector 15 is arranged at the top of the conical drill bit 11, and five limit grooves 16 are symmetrically opened at the bottom of the drill bit connector 15, and the limit blocks 14 are slidably connected to the inner side walls of the limit grooves 16; through the setting of the drill bit connector 15, when the conical drill bit 11 is installed, the limit blocks 14 installed on the top of the conical drill bit 11 are inserted into the limit grooves 16, so that the conical drill bit 11 is connected to the drill bit connector 15.

[0023] In one embodiment, the outer walls of the drill bit connector 15 and the limit block 14 are both provided with a first threaded hole 141, and the inner wall of the first threaded hole 141 is threadedly connected with a first fixing bolt 142; through the provision of the first fixing bolt 142, the drill bit connector 15 and the limit block 14 are both provided with a first threaded hole 141 adapted to the first fixing bolt 142, and when the limit block 14 is inserted into the limit groove 16, the first fixing bolt 142 is then inserted into the first threaded hole 141 on the drill bit connector 15 and the limit block 14 to fix the position of the limit block 14, thereby connecting the conical drill bit 11 to the drill bit connector 15.

[0024] In one embodiment, the bottom of the threaded top column 17 is fixedly connected to the bottom of the drill bit connector 15; through the setting of the threaded top column 17, the threaded top column 17 is connected to the driving device, thereby cooperating with the drill bit connector 15 to drive the conical drill bit 11 to rotate.

[0025] In one embodiment, five connecting blocks 18 are symmetrically fixedly connected to the inner wall of the conical drill bit 11, ten second threaded holes 19 are respectively opened on the tops of the five connecting blocks 18 and the five connecting plates 22, and five second fixing bolts 23 are respectively threadedly connected to the inner walls of the second threaded holes 19 opened on the five connecting blocks 18 and the five connecting plates 22; through the setting of the connecting block 18, after the connecting plate 22 is inserted into the through groove 12, the second threaded holes 19 on the connecting block 18 and the connecting plate 22 correspond to each other, and then the second fixing bolts 23 are inserted into the second threaded holes 19 to connect the connecting plate 22 to the connecting block 18, thereby fixing the position of the connecting plate 22.

[0026] In one embodiment, the bottom of the conical drill bit 11 is arc-shaped; the arc-shaped bottom of the conical drill bit 11 helps to enter the material more easily during drilling, reduces resistance during contact, and thus improves drilling efficiency.

[0027] In one embodiment, the surface of the drill tooth 29 is a diamond layer, and the end face of the drill tooth 29 is an inclined surface; the cutting end face of the diamond layer on the surface of the drill tooth 29 is a chamfered surface inclined relative to the surface, which can effectively prevent the drill tooth 29 from chipping and enhance the durability of the drill tooth 29. The adjacent ends of the drill tooth 29 will form a "pointed" cutting edge, which is conducive to breaking through harder strata or rocks, thereby increasing the drilling speed.

[0028] When the present invention is working: first, the fixing block 28 with the drill tooth 29 installed is inserted into the first groove 25, and then the third bolt 27 is inserted into the fixing block 28 and the corresponding third threaded hole 26 on the arc-shaped blade band 24 to fix the position of the fixing block 28, thereby installing the drill tooth 29, and then after the connecting plate 22 is inserted into the through groove 12, the connecting block 18 and the second threaded hole 19 on the connecting plate 22 correspond, and then the second fixing bolt 23 is inserted into the second threaded hole 19, and the connecting plate 22 is connected to the connecting block 18, thereby fixing the position of the connecting plate 22, so that the blade mechanism 2 is installed, and then the limiting block 14 is inserted into the limiting groove 16, and then the first fixing bolt 142 is inserted into the drill bit connecting piece 15 and the first threaded hole 141 on the limiting block 14 to fix the position of the limiting block 14, thereby The conical drill bit 11 is connected to the drill bit connecting piece 15, and the threaded top column 17 is connected to the driving device, so that the drill bit connecting piece 15 drives the conical drill bit 11 to rotate and perform drilling operations. When it is necessary to replace a single drill tooth 29, it is only necessary to remove the fixing block 28 corresponding to the drill tooth 29 to be replaced, and turn out the third bolt 27 from the fixing block 28 and the corresponding third threaded hole 26 on the arc-shaped blade band 24, and replace the fixing block 28 with a new drill tooth 29. When it is necessary to replace the entire blade mechanism 2, first remove the first fixing bolt 142 on the drill bit connecting piece 15, then remove the drill bit connecting piece 15 from the conical drill bit 11, remove the second fixing bolt 23 on the blade mechanism 2 to be replaced, release the fixation of the connecting plate 22, thereby removing the blade mechanism 2, and installing and replacing it according to the above-mentioned installation steps.

[0029] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of various changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A drill bit for engineering geological drilling, characterized in that: The invention comprises a main body mechanism (1) and five blade mechanisms (2), wherein the five blade mechanisms (2) are evenly mounted on the outside of the main body mechanism (1), and the main body mechanism (1) comprises a conical drill bit (11), five through grooves (12), five clamping grooves (13), five limit blocks (14), a drill bit connecting piece (15), five limit grooves (16), a threaded top column (17), five connecting blocks (18), and ten second threaded holes (19), wherein the five through grooves (12) are symmetrically arranged on the outer side wall of the conical drill bit (11); The blade mechanism (2) comprises an arc-shaped plate (21), a connecting plate (22), five second fixing bolts (23), a plurality of arc-shaped edge strips (24), a plurality of first grooves (25), a plurality of third threaded holes (26), a plurality of third bolts (27), a plurality of fixing blocks (28) and a plurality of drill teeth (29); the connecting plate (22) is slidably connected to the inner side wall of the through groove (12); one side of the arc-shaped plate (21) is fixedly connected to a side of the connecting plate (22) adjacent to the arc-shaped plate (21); and one side of the arc-shaped edge strip (24) is fixedly connected to a side of the arc-shaped plate (21) adjacent to the arc-shaped edge strip (24). On an adjacent side, a plurality of the first grooves (25) are uniformly formed on the outer side wall of the arc-shaped cutting edge (24), a plurality of the fixing blocks (28) are respectively slidably connected to the inner side wall of the first grooves (25), a plurality of the third threaded holes (26) are respectively formed on one side of the arc-shaped cutting edge (24) and the plurality of the fixing blocks (28), a plurality of the third bolts (27) are respectively threadedly connected to the inner side walls of the plurality of the third threaded holes (26), a second groove (281) is formed on one side of the plurality of the fixing blocks (28), and a plurality of the drill teeth (29) are respectively welded to the inner side walls of the plurality of the second grooves (281).

2. The drill bit for engineering geological drilling according to claim 1, characterized in that: The five clamping grooves (13) are symmetrically arranged at the bottom of the conical drill bit (11), and the arc-shaped plate (21) is clamped to the inner side walls of the clamping grooves (13).

3. The drill bit for engineering geological drilling according to claim 1, characterized in that: The bottoms of the five limit blocks (14) are symmetrically fixedly connected to the top of the conical drill bit (11), the drill bit connector (15) is arranged on the top of the conical drill bit (11), the five limit grooves (16) are symmetrically opened at the bottom of the drill bit connector (15), and the limit blocks (14) are slidably connected to the inner side walls of the limit grooves (16).

4. The drill bit for engineering geological drilling according to claim 1, characterized in that: The outer side walls of the drill bit connector (15) and the limit block (14) are both provided with a first threaded hole (141), and the inner side wall of the first threaded hole (141) is threadedly connected with a first fixing bolt (142).

5. The drill bit for engineering geological drilling according to claim 1, characterized in that: The bottom of the threaded top column (17) is fixedly connected to the bottom of the drill bit connecting piece (15).

6. The drill bit for engineering geological drilling according to claim 1, characterized in that: The five connecting blocks (18) are symmetrically fixedly connected to the inner side wall of the conical drill bit (11), the ten second threaded holes (19) are respectively opened on the tops of the five connecting blocks (18) and the five connecting plates (22), and the five second fixing bolts (23) are respectively threadedly connected to the inner side walls of the second threaded holes (19) opened on the five connecting blocks (18) and the five connecting plates (22).

7. The drill bit for engineering geological drilling according to claim 1, characterized in that: The bottom of the conical drill bit (11) is arc-shaped.

8. The drill bit for engineering geological drilling according to claim 1, characterized in that: The surface of the drill tooth (29) is a diamond layer, and the end face of the drill tooth (29) is an inclined surface.

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