CN215485884U - Three-axis drill bit and driving device - Google Patents

Three-axis drill bit and driving device Download PDF

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Publication number
CN215485884U
CN215485884U CN202121791147.9U CN202121791147U CN215485884U CN 215485884 U CN215485884 U CN 215485884U CN 202121791147 U CN202121791147 U CN 202121791147U CN 215485884 U CN215485884 U CN 215485884U
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CN
China
Prior art keywords
drill bit
sleeve
driving shaft
fixed
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121791147.9U
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Chinese (zh)
Inventor
柴功江
解津哲
贾林杰
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Tianjin Zhicheng Engineering Technology Co ltd
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Tianjin Zhicheng Engineering Technology Co ltd
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Priority to CN202121791147.9U priority Critical patent/CN215485884U/en
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Publication of CN215485884U publication Critical patent/CN215485884U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a three-axis drill bit and a driving device, and belongs to the technical field of drilling machines. The triaxial drill bit comprises a driving connection structure, a connection shaft rod structure and a drill bit structure. The driving connection structure comprises a supporting seat, a protective shell and a driving shaft, the driving shaft is rotatably connected inside the supporting seat, the protective shell is fixedly mounted on the top surface of the supporting seat, the rod body is fixedly mounted at the bottom of the driving shaft and the driven shaft, the drill bit structure comprises a drill bit, a clamping sleeve and a rotating sleeve, the clamping sleeve is fixedly arranged at the top end of the drill bit, the clamping sleeve is slidably clamped at the end of the rod body, a cavity is formed in the clamping sleeve, a spring is sleeved on the surface of the positioning column, and the extrusion block is slidably connected with the insertion column. The drill bit fixing device is convenient to fix and disassemble, and meanwhile, the disassembly and the assembly are more efficient, and time and labor are saved.

Description

Three-axis drill bit and driving device
Technical Field
The utility model relates to the field of drilling machines, in particular to a three-axis drill bit and a driving device.
Background
The digging and drilling machine is also called a rotary digging and drilling machine and a pile driver. The rotary drilling machine is a comprehensive drilling machine, can be used for various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry excavation operations, and rotary drill bits may also be used to perform wet excavation operations with mud dado. The rotary excavator can be matched with a hammer to drill and dig holes in hard stratum.
At present, the existing triaxial drill bit is inconvenient to be connected with a shaft rod when in use, and the drill bit is inconvenient to replace, thereby wasting time and energy.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects, the utility model provides a three-axis drill bit and a driving device, and aims to solve the problems that the three-axis drill bit is inconvenient to connect with a shaft rod, is inconvenient to replace and wastes time and labor.
The utility model is realized by the following steps:
in a first aspect, the present invention provides a tri-axial drill bit including a drive connection structure, a connecting shaft structure, and a bit structure.
The driving connection structure comprises a supporting seat, a protective shell and a driving shaft, the driving shaft is rotatably connected inside the supporting seat, driven shafts are rotatably connected to two sides of the driving shaft, the driving shaft is connected with the driven shafts through a transmission part in a transmission manner, the protective shell is fixedly installed on the top surface of the supporting seat, the driving shaft penetrates through the protective shell and extends to the outside, the connection shaft lever structure comprises a lever body, the lever body is fixedly installed at the bottoms of the driving shaft and the driven shafts, the drill bit structure comprises a drill bit, a clamping sleeve and a rotary sleeve, the clamping sleeve is fixedly arranged at the top end of the drill bit, the clamping sleeve is slidably clamped at the end part of the lever body, a cavity is formed in the clamping sleeve, a movable plate is slidably connected to the inside of the cavity, and a positioning column is fixedly penetrated in the movable plate, one end of the positioning column penetrates through the cavity and is inserted into the rod body, the other end of the positioning column penetrates through the cavity and extends to the outside, a spring is sleeved on the surface of the positioning column and is located on one side of the movable plate, the rotary sleeve is rotatably connected to the outer surface of the clamping sleeve, an extrusion block is fixed inside the rotary sleeve, and the extrusion block is in sliding connection with the positioning column.
In an embodiment of the present invention, the transmission member includes a first transmission wheel and a second transmission wheel, the first transmission wheel is keyed on a surface of the driving shaft, the second transmission wheel is keyed on a surface of the driven shaft, and the first transmission wheel is engaged with the second transmission wheel.
In an embodiment of the utility model, the protective shell and the supporting seat are fixed through a connecting piece, the connecting piece includes a first connecting block and a second connecting block, the first connecting block is fixed on the outer surface of the protective shell, the second connecting block is fixed on the outer surface of the supporting seat, a first bolt penetrates through the first connecting block, and the first bolt is in threaded connection with the second connecting block.
In an embodiment of the present invention, slots are formed at the bottoms of the driving shaft and the driven shaft, and insertion posts matched with the slots are fixed on the top surface of the rod body and are inserted into the slots in a sliding manner.
In an embodiment of the utility model, a limiting groove is formed in the bottom of the rod body, a limiting block matched with the limiting groove is fixed inside the clamping sleeve, and the limiting block is slidably clamped inside the limiting groove.
In an embodiment of the present invention, a first insertion hole matched with the positioning column is formed in the surface of the rod body, and the positioning column is inserted into the first insertion hole in a sliding manner.
In an embodiment of the present invention, a sliding groove is formed on a surface of the sleeve, an annular protrusion matched with the sliding groove is fixed on an inner surface of the rotating sleeve, and the annular protrusion is slidably connected inside the sliding groove.
In an embodiment of the utility model, four extrusion blocks are circumferentially arranged, a groove is formed in the surface of each extrusion block, the end part of each positioning column is clamped in the groove, and a second insertion hole is formed in the surface of each rotary sleeve.
In an embodiment of the present invention, a hollow tube is fixed at the bottom of the rotating sleeve, the hollow tube is slidably sleeved on the outer surface of the cutting sleeve, a second bolt penetrates through the inside of the hollow tube, and the second bolt is in threaded connection with the inside of the cutting sleeve.
In a second aspect, embodiments of the present invention further provide a drive apparatus comprising a tri-axial drill as described above, the end of the drive shaft being configured to be fixedly connected to the output of the drive structure.
The utility model has the beneficial effects that: when the three-axis drill bit is used, the driving shaft is connected with the external driving structure, the rod body is fixedly installed at the bottoms of the driving shaft and the driven shaft, the end part of the positioning column is extruded by the extrusion block in the rotating process by rotating the rotating sleeve, the movable plate and the positioning column are driven to move to one side and compress the spring, the end part of the positioning column is inserted into the sliding groove in the rod body, and the positioning column is connected to the inside of the clamping sleeve through the second bolt in a threaded mode to further fix the clamping sleeve. At this time, the driving device can drive the driving shaft and the driven shaft to rotate simultaneously under the action of the transmission part.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a triaxial drill bit illustrating a first perspective structure according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a tri-axial drill bit according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a three-axis drill bit rotary sleeve according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the utility model at A in FIG. 2.
In the figure: 100-drive connection structure; 110-a support base; 120-a protective housing; 130-a drive shaft; 140-a driven shaft; 150-a transmission member; 151-first drive wheel; 152-a second drive wheel; 160-a connector; 161-first connection block; 162-a second connection block; 163-first bolt; 180-slot; 200-connecting shaft rod structure; 210-a rod body; 211-a plug-in column; 212-a limiting groove; 213-a first receptacle; 300-bit configuration; 310-a drill bit; 320-cutting sleeve; 321-a limiting block; 322-a cavity; 323-chute; 330-movable plate; 331-a location post; 332-a spring; 340-a rotating sleeve; 341-extruding block; 3411-grooves; 342-an annular projection; 343-a second jack; 350-a hollow tube; 352-second bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a tri-axial drill bit includes a drive connection structure 100, a connecting shaft structure 200, and a drill bit structure 300.
The connecting shaft structure 200 is fixedly installed at the bottom of the driving connecting structure 100, and the drill bit structure 300 is fixedly installed at the bottom of the connecting shaft structure 200.
Referring to fig. 1 and 2, the driving connection structure 100 includes a supporting base 110, a protective housing 120 and a driving shaft 130, the driving shaft 130 is rotatably connected inside the supporting base 110, driven shafts 140 are rotatably connected to both sides of the driving shaft 130, the driving shaft 130 is in transmission connection with the driven shafts 140 through a transmission member 150, the protective housing 120 is fixedly installed on the top surface of the supporting base 110, and the driving shaft 130 penetrates through the protective housing 120 and extends to the outside.
The transmission member 150 includes a first transmission wheel 151 and a second transmission wheel 152, the first transmission wheel 151 is connected to the surface of the driving shaft 130 in a key manner, the second transmission wheel 152 is connected to the surface of the driven shaft 140 in a key manner, the first transmission wheel 151 is meshed with the second transmission wheel 152, and the first transmission wheel 151 and the second transmission wheel 152 are both rectangular gears, so that the first transmission wheel 151 and the second transmission wheel 152 can be conveniently and simultaneously rotated.
Fixed through connecting piece 160 between protective housing 120 and the supporting seat 110, connecting piece 160 includes first connecting block 161 and second connecting block 162, first connecting block 161 is fixed at protective housing 120's surface, the surface at supporting seat 110 is fixed to second connecting block 162, first bolt 163 has been run through to first connecting block 161's inside, first bolt 163 threaded connection is in the inside of second connecting block 162, here through the setting of first bolt 163, can make things convenient for to install fixedly between protective housing 120 and the supporting seat 110.
Slot 180 has been seted up to the bottom of driving shaft 130 and driven shaft 140, the top surface of the body of rod 210 is fixed with the grafting post 211 with slot 180 assorted, the inside of grafting post 211 slides and pegs graft at slot 180, it needs to explain here that, it has two third bolts to run through in the inside slip of slot 180 and grafting post 211, two third bolts become mutually perpendicular and set up, the tip threaded connection nut of third bolt, through the setting of third bolt and nut, can conveniently carry out the dismouting between the body of rod 210 and driving shaft 130 and the driven shaft 140.
Referring to fig. 1 and 2, the connecting shaft structure 200 includes a shaft 210, and the shaft 210 is fixed to the bottom of the driving shaft 130 and the driven shaft 140.
The bottom of the rod body 210 is provided with a limiting groove 212, a limiting block 321 matched with the limiting groove 212 is fixed inside the clamping sleeve 320, the limiting block 321 is clamped inside the limiting groove 212 in a sliding manner, the limiting block 321 is square, and the first insertion hole 213 is aligned with the positioning column 331 through the arrangement of the limiting block 321; the surface of the rod body 210 is provided with a first insertion hole 213 matched with the positioning column 331, the positioning column 331 is inserted in the first insertion hole 213 in a sliding manner, and the positioning column 331 and the first insertion hole 213 are arranged to facilitate the fixation between the drill 310 and the rod body 210.
Referring to fig. 1-4, the drill structure 300 includes a drill 310, a sleeve 320 and a rotary sleeve 340, the sleeve 320 is fixed at the top end of the drill 310, the sleeve 320 is slidably connected to the end of the rod 210, a cavity 322 is formed in the sleeve 320, a movable plate 330 is slidably connected to the interior of the cavity 322, a positioning post 331 is fixedly penetrated through the interior of the movable plate 330, one end of the positioning post 331 is inserted into the rod 210 through the cavity 322, the other end of the positioning post 331 extends to the exterior through the cavity 322, a spring 332 is sleeved on the surface of the positioning post 331, the spring 332 is located on one side of the movable plate 330, the rotary sleeve 340 is rotatably connected to the outer surface of the sleeve 320, a pressing block 341 is fixed inside the rotary sleeve 340, and the pressing block 341 is slidably connected to the positioning post 331.
The surface of the clamping sleeve 320 is provided with a sliding groove 323, the inner surface of the rotating sleeve 340 is fixed with an annular bump 342 matched with the sliding groove 323, the annular bump 342 is connected inside the sliding groove 323 in a sliding manner, and the arrangement of the annular bump 342 and the sliding groove 323 is beneficial to facilitating the rotation of the rotating sleeve 340; extrusion piece 341 is circumference and is provided with four, recess 3411 has been seted up on the surface of extrusion piece 341, the tip joint of reference column 331 is in the inside of recess 3411, second jack 343 has still been seted up on the surface of rotatory cover 340, here one side of extrusion piece 341 becomes the slope and sets up, utilize this inclined plane can reduce the frictional force between extrusion piece 341 and the reference column 331, thereby be favorable to extrudeing reference column 331, here the setting of second jack 343 can make things convenient for outside steel pole to insert the inside of second jack 343, thereby be favorable to rotating cover 340 and rotate.
The bottom of the rotating sleeve 340 is fixed with a hollow pipe 350, the hollow pipe 350 is sleeved on the outer surface of the clamping sleeve 320 in a sliding mode, a second bolt 352 penetrates through the interior of the hollow pipe 350, the second bolt 352 is in threaded connection with the interior of the clamping sleeve 320, the rotating sleeve 340 can be further fixed through the second bolt 352, and therefore the use is prevented from being influenced by the fact that the rotating sleeve is driven in the using process.
Embodiments of the present invention further provide a driving apparatus including a tri-axial drill as described above, wherein an end of the driving shaft 130 is configured to be fixedly connected to an output end of the driving structure.
Specifically, this triaxial drill bit and drive arrangement's theory of operation: during the use, be connected driving shaft 130 with external drive structure, then fix the body of rod 210 in the bottom of driving shaft 130 and driven shaft 140, then through rotating rotatory cover 340, extrude the tip of piece 341 to reference column 331 at rotatory in-process, drive simultaneously fly leaf 330 and reference column 331 to one side removal and compress spring 332, then insert the tip of reference column 331 in the inside spout 323 of the body of rod 210, at this moment through second bolt 352 threaded connection to the inside of cutting ferrule 320, further fix cutting ferrule 320, because drill bit 310 fixes the bottom at cutting ferrule 320, thereby conveniently fix and the dismouting drill bit 310, the dismouting is more efficient simultaneously, time saving and labor saving. At this time, the driving shaft 130 and the driven shaft 140 can be driven to rotate simultaneously by the driving device under the action of the transmission member 150.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A three-axis drill bit, comprising
The driving connection structure (100) comprises a supporting seat (110), a protective shell (120) and a driving shaft (130), the driving shaft (130) is rotatably connected inside the supporting seat (110), driven shafts (140) are rotatably connected to two sides of the driving shaft (130), the driving shaft (130) is in transmission connection with the driven shafts (140) through a transmission piece (150), the protective shell (120) is fixedly installed on the top surface of the supporting seat (110), and the driving shaft (130) penetrates through the protective shell (120) and extends to the outside;
the connecting shaft rod structure (200), the connecting shaft rod structure (200) comprises a rod body (210), and the rod body (210) is fixedly installed at the bottoms of the driving shaft (130) and the driven shaft (140);
the drill bit structure (300) comprises a drill bit (310), a clamping sleeve (320) and a rotating sleeve (340), wherein the clamping sleeve (320) is fixed at the top end of the drill bit (310), the clamping sleeve (320) is clamped at the end of the rod body (210) in a sliding manner, a cavity (322) is formed in the clamping sleeve (320), a movable plate (330) is connected to the cavity (322) in a sliding manner, a positioning column (331) penetrates through and is fixed in the movable plate (330), one end of the positioning column (331) penetrates through the cavity (322) and is inserted in the rod body (210), the other end of the positioning column (331) penetrates through the cavity (322) and extends to the outside, a spring (332) is sleeved on the surface of the positioning column (331), the spring (332) is located on one side of the clamping sleeve of the movable plate (330), and the rotating sleeve (340) is rotatably connected to the outer surface of the clamping sleeve (320), a squeezing block (341) is fixed inside the rotating sleeve (340), and the squeezing block (341) is connected with the positioning column (331) in a sliding manner.
2. Three-axis drill bit according to claim 1, characterized in that the transmission member (150) comprises a first transmission wheel (151) and a second transmission wheel (152), the first transmission wheel (151) being keyed on the surface of the driving shaft (130), the second transmission wheel (152) being keyed on the surface of the driven shaft (140), the first transmission wheel (151) being meshed with the second transmission wheel (152).
3. The triaxial drill bit of claim 1, wherein the protective housing (120) and the support base (110) are fixed by a connecting member (160), the connecting member (160) comprises a first connecting block (161) and a second connecting block (162), the first connecting block (161) is fixed on the outer surface of the protective housing (120), the second connecting block (162) is fixed on the outer surface of the support base (110), a first bolt (163) penetrates through the first connecting block (161), and the first bolt (163) is screwed inside the second connecting block (162).
4. The triaxial drill bit according to claim 1, wherein the bottom of the driving shaft (130) and the driven shaft (140) are provided with slots (180), the top surface of the rod body (210) is fixed with insertion posts (211) matched with the slots (180), and the insertion posts (211) are slidably inserted into the slots (180).
5. The triaxial drill bit according to claim 1, wherein a limiting groove (212) is formed at the bottom of the rod body (210), a limiting block (321) matched with the limiting groove (212) is fixed inside the sleeve (320), and the limiting block (321) is slidably clamped inside the limiting groove (212).
6. The triaxial drill bit of claim 1, wherein a first insertion hole (213) is formed in a surface of the rod body (210) and is matched with the positioning column (331), and the positioning column (331) is slidably inserted into the first insertion hole (213).
7. The tri-axial drill bit as claimed in claim 1, wherein the surface of the cutting sleeve (320) is provided with a sliding groove (323), the inner surface of the rotating sleeve (340) is fixed with an annular projection (342) matched with the sliding groove (323), and the annular projection (342) is slidably connected inside the sliding groove (323).
8. The triaxial drill bit of claim 1, wherein four extrusion blocks (341) are circumferentially arranged, a groove (3411) is formed in a surface of the extrusion block (341), an end of the positioning column (331) is clamped in the groove (3411), and a second insertion hole (343) is formed in a surface of the rotating sleeve (340).
9. The triaxial drill bit of claim 1, wherein a hollow tube (350) is fixed to the bottom of the rotary sleeve (340), the hollow tube (350) is slidably sleeved on the outer surface of the sleeve (320), a second bolt (352) penetrates through the interior of the hollow tube (350), and the second bolt (352) is screwed into the interior of the sleeve (320).
10. The drive device is characterized by comprising
A tri-axial drill bit according to any one of claims 1 to 9; the end of the drive shaft (130) is configured to be fixedly connected to the output of the drive structure.
CN202121791147.9U 2021-08-02 2021-08-02 Three-axis drill bit and driving device Expired - Fee Related CN215485884U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121791147.9U CN215485884U (en) 2021-08-02 2021-08-02 Three-axis drill bit and driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121791147.9U CN215485884U (en) 2021-08-02 2021-08-02 Three-axis drill bit and driving device

Publications (1)

Publication Number Publication Date
CN215485884U true CN215485884U (en) 2022-01-11

Family

ID=79754819

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121791147.9U Expired - Fee Related CN215485884U (en) 2021-08-02 2021-08-02 Three-axis drill bit and driving device

Country Status (1)

Country Link
CN (1) CN215485884U (en)

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Granted publication date: 20220111

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