CN114160837A - Crank arm drilling device and using method thereof - Google Patents

Crank arm drilling device and using method thereof Download PDF

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Publication number
CN114160837A
CN114160837A CN202111574785.XA CN202111574785A CN114160837A CN 114160837 A CN114160837 A CN 114160837A CN 202111574785 A CN202111574785 A CN 202111574785A CN 114160837 A CN114160837 A CN 114160837A
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CN
China
Prior art keywords
bevel gear
milling head
bottom plate
crank arm
cylinder
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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.)
Pending
Application number
CN202111574785.XA
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Chinese (zh)
Inventor
孙国武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Jiangbin Internal Combustion Engine Parts Co ltd
Original Assignee
Hangzhou Jiangbin Internal Combustion Engine Parts Co ltd
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Publication date
Application filed by Hangzhou Jiangbin Internal Combustion Engine Parts Co ltd filed Critical Hangzhou Jiangbin Internal Combustion Engine Parts Co ltd
Priority to CN202111574785.XA priority Critical patent/CN114160837A/en
Publication of CN114160837A publication Critical patent/CN114160837A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/26—Fluid-pressure drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2215/00—Details of workpieces
    • B23B2215/20—Crankshafts

Abstract

The technical scheme is that the drilling device comprises a first bevel gear, a second bevel gear, a connecting cylinder, a driving motor and a milling head, wherein the milling head penetrates through the first bevel gear and is in sliding connection with the first bevel gear, one end of the milling head is rotatably connected with the connecting cylinder, and a limiting block for limiting the milling head is connected to the first bevel gear; the second bevel gear is meshed with the first bevel gear, and the central shaft of the second bevel gear is fixedly connected with the driving shaft of the driving motor. The motor and the milling head can be positioned at a vertical angle, and then an enough space is formed between the two cranks to allow the milling head to drill the cranks and the crank arm, so that the structure is simple, the simple small factory can be directly realized, and the effect of more cost is not needed.

Description

Crank arm drilling device and using method thereof
Technical Field
The application relates to the field of crankshaft machining, in particular to a crank arm drilling device and a using method thereof.
Background
The crank connecting rod mechanism is a power transmission system in a reciprocating internal combustion engine and is used for realizing the working cycle of the engine and finishing energy conversion. The main parts of the crank connecting rod mechanism can be divided into three groups, namely a machine body group, a piston connecting rod group and a crankshaft flywheel group.
The existing piston connecting rods are connected to a crankshaft, the number of the piston connecting rods is multiple, the crankshaft comprises a crank set and crank arms, the crank set comprises multiple groups, the crank arms are located between adjacent crank sets, and the crank arms are used for enabling the crank sets to rotate; each crank group comprises two cranks, and a piston connecting rod is connected between the two cranks, so that connecting holes for rotating the piston connecting rod are required to be formed in the cranks and the crank arms, and when the connecting holes are formed, large-scale mechanical equipment is required to be used.
In view of the above-mentioned related technologies, the inventor believes that there are defects that the space between adjacent cranks is narrow, a large-sized precision mechanical device of a large-sized manufacturer is required for realization, and processing in a small-sized processing plant is difficult.
Disclosure of Invention
In order to solve the work that small-size processing factory is difficult to realize bent arm drilling, the application provides a bent arm drilling equipment and application method thereof.
First aspect, the application provides a crank arm drilling equipment adopts following technical scheme:
a crank arm drilling device comprises a first bevel gear, a second bevel gear, a connecting cylinder, a driving motor and a milling head, wherein the milling head penetrates through the first bevel gear and is in sliding connection with the first bevel gear; the second bevel gear is meshed with the first bevel gear, and the central shaft of the second bevel gear is fixedly connected with the driving shaft of the driving motor.
Through adopting above-mentioned technical scheme, the setting of first bevel gear and second bevel gear for motor and cutter head can be located the vertically angle, then have sufficient space between two cranks and supply the cutter head to creep into crank and crank arm, and this structure is simpler, and simple and easy little factory also can directly realize, need not more expense.
Optionally, a connecting assembly is arranged between the milling head and the connecting cylinder, the connecting assembly comprises a connecting plate and a connecting ball, the connecting plate is fixedly connected with the piston rod of the connecting cylinder, and the connecting ball is connected with the milling head and is rotatably connected with the connecting plate.
By adopting the technical scheme and the arrangement of the connecting assembly, after the piston rod of the connecting cylinder extends out, the piston rod of the connecting cylinder can push the connecting plate to move, the connecting plate pushes the milling head to move forwards, and when the milling head moves, the connecting ball between the milling head and the connecting plate supplies the milling head to rotate, so that the friction force between the milling head and the connecting plate is reduced.
Optionally, a limiting block is arranged between the first bevel gear and the milling head, the limiting block is fixedly connected with the inner wall of the first bevel gear, a limiting groove is formed in the milling head, and the limiting block is located in the limiting groove and is in sliding connection with the milling head.
Through adopting above-mentioned technical scheme, the setting of stopper and seting up of spacing groove for the cutter head can be spacing by the stopper, and rotate along with first bevel gear, when the cutter head follows first bevel gear pivoted, is connected the cylinder and promotes to move along, then when the cutter head moves along, creeps into to crank and crank arm.
Optionally, a protective shell is arranged outside the first bevel gear, the second bevel gear, the connecting cylinder and the driving motor, and the protective shell is connected with a bottom plate and is in spherical hinge with the bottom plate; a positioning assembly used for positioning the protective shell is arranged between the protective shell and the bottom plate.
Through adopting above-mentioned technical scheme, protective housing and bottom plate ball hinged's setting for the protective housing can be for the rotation of bottom plate all-round, multi-angle, then connect the cutter head on the protective housing can all-round, multi-angle rotate, carry out the drilling of different angles for crank and crank arm, and this kind of function just can be realized to a simple mechanical structure, and ordinary processing factory also can process.
Optionally, one end of the protective shell, which is hinged to the bottom plate ball, is in a triangular cone shape.
Through adopting above-mentioned technical scheme, the protective housing is the design of three pyramid forms with bottom plate ball joint one end for the turned angle of protective housing can not spacing, then the protective housing can be for the rotation of bottom plate all-round, multi-angle, drive the milling head simultaneously and carry out the brill in the hole of different angles to crank and crank arm and establish.
Optionally, the positioning assembly includes a first cylinder, a second cylinder and a third cylinder, and the first cylinder, the second cylinder and the third cylinder are uniformly distributed around the protective shell; one end of the first air cylinder is hinged to the protective shell, the other end of the first air cylinder is hinged to the bottom plate, one end of the second air cylinder is hinged to the protective shell, the other end of the second air cylinder is hinged to the bottom plate, one end of the third air cylinder is hinged to the protective shell, and the other end of the third air cylinder is hinged to the bottom plate.
Through adopting above-mentioned technical scheme, locating component's setting for first cylinder, second cylinder and third cylinder can adjust the extension length of piston rod separately, in order to ensure the turned angle of protective housing, and simultaneously, the protective housing also can be fixed a position by first cylinder, second cylinder and third cylinder, and the cutter head that is located on the protective housing is when driling, and stability is higher.
Optionally, a shifting device is arranged below the bottom plate and connected with the base, the shifting device comprises a left shifting assembly, a right shifting assembly, a front shifting assembly and a rear shifting assembly, the left shifting assembly and the right shifting assembly are used for moving the bottom plate left and right, the front shifting assembly and the rear shifting assembly are used for moving the bottom plate front and back, and the left shifting assembly and the rear shifting assembly are both arranged on the base.
Through adopting above-mentioned technical scheme, the setting of shifter for shift assembly about can drive the bottom plate and shift with the protective housing is whole around with shift assembly, then the cutter head that is located on the protective housing can be driven and shifts from beginning to end, and the cutter head can satisfy the drilling of any position on crank or the crank arm.
Optionally, the left and right shifting assembly comprises a left and right box, a left and right screw rod, a left and right motor, the left and right motor is fixedly connected with the bottom plate, one end of the left and right screw rod is fixedly connected with a driving shaft of the left and right motor, and the left and right screw rod passes through the left and right box and is slidably connected with the left and right box.
Through adopting above-mentioned technical scheme, control the setting of aversion subassembly for control the motor start, control the motor and drive about, lead screw rotation about, the case slides on controlling the lead screw about the lead screw drive of pivoted, control the case and drive the bottom plate that lies in about on the case and remove, whole mechanical structure is simpler, realizes easily that the processing demand of satisfying little mill.
Optionally, left and right guide grooves are formed in the base, left and right guide blocks are fixedly connected with the left and right boxes, and the left and right guide blocks are located in the left and right guide grooves and are in sliding connection with the base.
Through adopting above-mentioned technical scheme, about seting up of guide way and controlling the setting of guide block for control the guide block can slide along controlling the guide way, it is spacing that the guide way can be controlled to the case about then, when controlling, has guaranteed the stability of removal.
In a second aspect, the application provides a use method of a crank arm drilling device, which includes the following steps:
s1: firstly, placing a crankshaft needing to be drilled on one side of a crank arm drilling device;
s2: the milling head is moved to a position needing drilling by utilizing the left-right shifting assembly and the front-back shifting assembly;
s3: and opening the driving motor and the connecting cylinder to start drilling.
Through the simple operation steps, the drilling of different positions and different angles of the crank and the crank arm can be realized, and the technology can be realized in common factories.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the first bevel gear and the second bevel gear ensures that the motor and the milling head can be positioned at a vertical angle, and enough space is formed between the two cranks for the milling head to drill the cranks and the crank arm, and the structure is simple, and can be directly realized by a simple small factory without much cost;
2. the connecting assembly is arranged, so that after a piston rod of the air cylinder extends out, the piston rod of the air cylinder can push the connecting plate to move, the connecting plate pushes the milling head to move forwards, and a connecting ball between the milling head and the connecting plate is used for rotating the milling head while the milling head moves, so that the friction force between the milling head and the connecting plate is reduced;
3. the protective housing and the bottom plate are arranged in a ball hinged mode, so that the protective housing can rotate in all directions and at multiple angles relative to the bottom plate, the milling head connected to the protective housing can rotate in all directions and at multiple angles, drilling holes at different angles are formed in the crank and the crank arm, the function can be achieved through a simple mechanical structure, and a common processing factory can also process the holes.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;
FIG. 2 is a schematic view intended to show the structure of a first bevel gear and a second bevel gear;
FIG. 3 is a schematic view for illustrating the structure of the limiting block and the connecting assembly;
FIG. 4 is a schematic structural diagram of embodiment 2 of the present application;
fig. 5 is a schematic view intended to show the structure of the positioning assembly.
Description of reference numerals: 1. a first bevel gear; 11. a limiting block; 2. a second bevel gear; 3. connecting the cylinder; 4. a drive motor; 5. a milling head; 51. a limiting groove; 52. a connecting assembly; 521. a connecting plate; 522. a connecting ball; 6. a protective shell; 61. a first housing; 62. a second housing; 63. a third housing; 64. a base plate; 7. a positioning assembly; 71. a first cylinder; 72. a second cylinder; 73. a third cylinder; 8. a displacement device; 81. a left-right shift assembly; 811. a left box and a right box; 8111. a left guide block and a right guide block; 8112. a front and rear guide groove; 812. a left screw and a right screw; 813. a left motor and a right motor; 82. a front and rear displacement assembly; 821. front and rear cases; 8211. a front guide block and a rear guide block; 822. a front screw and a rear screw; 823. front and rear motors; 9. a base; 91. a left guide groove and a right guide groove; 10. a frame body; 101. a crankshaft.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example 1
The embodiment of the application discloses crank arm drilling equipment. Referring to fig. 1 and 2, a crank arm drilling device comprises a first bevel gear 1, a second bevel gear 2, a connecting cylinder 3, a driving motor 4, a milling head 5, a shifting device 8 and a base 9; the first bevel gear 1 is meshed with the second bevel gear 2, the milling head 5 is arranged on the first bevel gear 1 in a penetrating mode, and one end of the milling head 5 is connected with the connecting cylinder 3; the second bevel gear 2 is connected with a driving motor 4; the first bevel gear 1, the second bevel gear 2, the connecting cylinder 3 and the driving motor 4 are covered by a protective shell 6, the protective shell 6 is connected with a shifting device 8, the shifting device 8 is used for shifting the protective shell 6, and the shifting device 8 is connected with a base 9.
Referring to fig. 1, a frame body 10 is placed beside a base 9, the frame body 10 is composed of a transverse plate and two vertical plates, the two vertical plates are respectively located at two ends of the transverse plate and are fixedly connected with the transverse plate through bolts, and a crankshaft 101 is erected on the two vertical plates.
Referring to fig. 3, a limiting block 11 is fixed to the inner wall of the first bevel gear 1 in a welding manner, a limiting groove 51 is formed in the milling head 5, the length direction of the limiting groove 51 is the same as the length direction of the milling head 5, and the limiting block 11 is located in the limiting groove 51 and is in sliding connection with the milling head 5. Cutter head 5 with be provided with coupling assembling 52 between being connected the cylinder 3 to connect through coupling assembling 52, coupling assembling 52 includes connecting plate 521 and connects ball 522, connecting plate 521 with be connected cylinder 3 and pass through cylinder connector fixed connection, connect ball 522 and cutter head 5 one end welded fastening, and connect ball 522 and connecting plate 521 and rotate and be connected.
Referring to fig. 1 and 3, the central shaft of the second bevel gear 2 is connected with the driving shaft key of the driving motor 4; the first bevel gear 1, the second bevel gear 2, the connecting assembly 52, the connecting cylinder 3 and the driving motor 4 are covered by a protective shell 6, the protective shell 6 comprises a first shell 61, a second shell 62 and a third shell 63, the first shell 61 is of a cylindrical tubular structure, the first bevel gear 1, the second bevel gear 2, the connecting assembly 52 and the connecting cylinder 3 are located in the first shell 61, the connecting cylinder 3 is fixedly connected with the first shell 61 through bolts, and one end, away from the connecting cylinder 3, of the milling head 5 penetrates through the first shell 61 and is rotatably connected with the first shell 61; the second casing 62 is a cylindrical structure, the third casing 63 is a cylindrical structure, the driving motor 4 is located in the second casing 62 and the third casing 63 and is fixedly connected with the third casing 63 through bolts, the first casing 61, the second casing 62 and the third casing 63 are fixedly communicated and are integrally formed, and the third casing 63 is connected with the shifting device 8.
When a worker prepares to drill a hole on the crankshaft 101, the driving motor 4 and the connecting cylinder 3 are started, the driving shaft of the driving motor 4 rotates to drive the second bevel gear 2 to rotate, the second bevel gear 2 rotates to drive the first bevel gear 1 to rotate, and the first bevel gear 1 rotates to drive the milling head 5 to rotate; when the connecting cylinder 3 is started, the piston rod of the connecting cylinder 3 pushes the connecting plate 521 to move towards the direction of the milling head 5, the connecting plate 521 pushes the connecting ball 522 to move, the connecting ball 522 pushes the milling head 5 to move, and the milling head 5 moves towards the crankshaft 101 while rotating along with the first bevel gear 1, and simultaneously drills a hole in the crankshaft 101.
Referring to fig. 1, the shifting device 8 includes a left-right shifting assembly 81 and a front-back shifting assembly 82, the left-right shifting assembly 81 includes a left box 811, a right box 812, a left motor 813, a right motor 813, the left box 811 is rectangular, a left guide block 8111 is fixedly connected to the bottom of the left box 811 and the bottom of the right box 811, and the left guide block 8111 is long-strip-shaped; a left guide groove 91 and a right guide groove 91 are formed in the base 9, the left guide groove 91 and the right guide groove 91 are long in strip shapes, and a left guide block 8111 is located in the left guide groove 91 and the right guide groove 91 and is connected with the base 9 in a sliding mode; the left and right screw 812 penetrates through the left and right guide blocks 8111 and is in threaded connection with the left and right guide blocks 8111, two ends of the left and right screw 812 are rotatably connected with the base 9, one end of the left and right screw 812 is fixedly welded with the left and right motors 813, and the left and right motors 813 are fixedly connected with the base 9 through bolts.
Referring to fig. 1, the front-rear shifting assembly 82 includes a front-rear case 821, a front-rear lead screw 822, and a front-rear motor 823, wherein the front-rear case 821 is rectangular, the front-rear case 821 is fixedly connected to a bottom surface of the third housing 63 and is integrally formed, a front-rear guide block 8211 is fixedly connected to a bottom of the front-rear case 821, and the front-rear guide block 8211 is long-strip-shaped; front and rear guide grooves 8112 are formed in the top surfaces of the left and right boxes 811, the front and rear guide grooves 8112 are long-strip-shaped, the length direction of the front and rear guide grooves 8112 is perpendicular to the length direction of the left and right guide grooves 91, and front and rear guide blocks 8211 are located in the front and rear guide grooves 8112 and are connected with the left and right boxes 811 in a sliding manner; the front and rear screw 822 penetrates through the front and rear guide blocks 8211 and is in threaded connection with the front and rear guide blocks 8211, two ends of the front and rear screw 822 are rotatably connected with the left and right boxes 811, one end of the front and rear screw 822 is welded and fixed with a front and rear motor 823, and the front and rear motor 823 is fixedly connected with the left and right boxes 811 through bolts.
Before the worker carries out drilling preparation work, the left and right motors 813 are started, a driving shaft of the left and right motors 813 rotates to drive the left and right lead screws 812 to rotate, the left and right lead screws 812 rotate to drive the left and right boxes 811 to move, and the left and right boxes 811 move to drive the milling heads 5 connected to the left and right boxes 811 to move; the front and rear motors 823 are started, a driving shaft of the front and rear motors 823 rotates to drive the front and rear screws 822 to rotate, the front and rear screws 822 rotate to drive the front and rear boxes 821 to move, and the front and rear boxes 821 move to drive the milling head 5 connected to the front and rear boxes 821 to move until the milling head 5 moves between the two cranks.
The use method of the crank arm drilling device comprises the following steps:
s1: firstly, a crankshaft 101 needing drilling is placed on a frame body 10;
s2: the left and right motors 813 are started, and the left and right motors 813 indirectly drive the milling head 5 to move left and right until the milling head 5 moves to a position needing drilling; the front and rear motors 823 are started, and the front and rear motors 823 indirectly drive the milling head 5 to move to a position between two cranks needing drilling;
s3: the connecting cylinder 3 and the driving motor 4 are started, the driving motor 4 rotates to indirectly drive the milling head 5 to rotate, and a piston rod of the connecting cylinder 3 extends out to drive the milling head 5 to drill forwards.
Example 2
The difference from example 1 is that: referring to fig. 4, the third housing 63 is connected to the positioning assembly 7, and the positioning assembly 7 is used for controlling and positioning the rotation angle of the third housing 63; the shifting device 8 is installed on the base 9, the shifting device 8 is used for shifting the positioning component 7, and the positioning component 7 is connected with the shifting device 8.
Referring to fig. 1 and 4, the third housing 63 has a cylindrical shape, a bottom plate 64 is spherically hinged to one end of the third housing 63, the bottom plate 64 has a rectangular plate-like structure, the bottom plate 64 is used in place of the front and rear cases 821 in embodiment 1, and the bottom plate 64, the front and rear screws 822, and the left and right cases 811 are connected in the same manner as the front and rear cases 821, the front and rear screws 822, and the left and right cases 811.
Referring to fig. 5, the positioning assembly 7 includes a first cylinder 71, a second cylinder 72 and a third cylinder 73, the first cylinder 71, the second cylinder 72 and the third cylinder 73 are uniformly arranged around the third housing 63 in an inclined manner, and the inclined directions all face the third housing 63, one end of the first cylinder 71 is hinged to the third housing 63, and the other end is hinged to the bottom plate 64; one end of the second cylinder 72 is hinged with the third shell 63, and the other end is hinged with the bottom plate 64; the third cylinder 73 has one end hinged to the third housing 63 and the other end hinged to the base plate 64.
The use method of the crank arm drilling device comprises the following steps:
s1 and S2 are the same as in example 1;
s3: starting the first cylinder 71, the second cylinder 72 and the third cylinder 73, wherein the first cylinder 71, the second cylinder 72 and the third cylinder 73 drive the angle of the third shell 63 to change, and the third shell 63 indirectly drives the angle of the milling head 5 to change;
the connecting cylinder 3 and the driving motor 4 are started, the driving motor 4 rotates to indirectly drive the milling head 5 to rotate, and a piston rod of the connecting cylinder 3 extends out to drive the milling head 5 to drill forwards.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a bent arm drilling equipment which characterized in that: the milling head comprises a first bevel gear (1), a second bevel gear (2), a connecting cylinder (3), a driving motor (4) and a milling head (5), wherein the milling head (5) penetrates through the first bevel gear (1) and is in sliding connection with the first bevel gear (1), one end of the milling head (5) is rotatably connected with the connecting cylinder (3), and a limiting block (11) for limiting the milling head (5) is connected to the first bevel gear (1); the second bevel gear (2) is meshed with the first bevel gear (1), and the central shaft of the second bevel gear (2) is fixedly connected with the driving shaft of the driving motor (4).
2. A crank arm drilling device according to claim 1, characterized in that: the milling head is characterized in that a connecting assembly (52) is arranged between the milling head (5) and the connecting cylinder (3), the connecting assembly (52) comprises a connecting plate (521) and a connecting ball (522), the connecting plate (521) is fixedly connected with a piston rod of the connecting cylinder (3), and the connecting ball (522) is connected with the milling head (5) and is rotatably connected with the connecting plate (521).
3. A crank arm drilling device according to claim 1, characterized in that: a limiting block (11) is arranged between the first bevel gear (1) and the milling head (5), the limiting block (11) is fixedly connected with the inner wall of the first bevel gear (1), a limiting groove (51) is formed in the milling head (5), and the limiting block (11) is located in the limiting groove (51) and is in sliding connection with the milling head (5).
4. A crank arm drilling device according to claim 1, characterized in that: a protective shell (6) is arranged outside the first bevel gear (1), the second bevel gear (2), the connecting cylinder (3) and the driving motor (4), and the protective shell (6) is connected with a bottom plate (64) and is in spherical hinge joint with the bottom plate (64); a positioning assembly (7) used for positioning the protective shell (6) is arranged between the protective shell (6) and the bottom plate (64).
5. A crank arm drilling device according to claim 4, characterized in that: the protective shell (6) and one end of the bottom plate (64) which is in spherical hinge joint are in a triangular cone shape.
6. A crank arm drilling device according to claim 4, characterized in that: the positioning assembly (7) comprises a first air cylinder (71), a second air cylinder (72) and a third air cylinder (73), and the first air cylinder (71), the second air cylinder (72) and the third air cylinder (73) are uniformly distributed on the protective shell (6) for a circle; one end of the first air cylinder (71) is hinged to the protective shell (6), the other end of the first air cylinder is hinged to the bottom plate (64), one end of the second air cylinder (72) is hinged to the protective shell (6), the other end of the second air cylinder is hinged to the bottom plate (64), one end of the second air cylinder (72) is hinged to the protective shell (6), and the other end of the second air cylinder is hinged to the bottom plate (64).
7. A crank arm drilling device according to claim 4, characterized in that: the automatic shifting device is characterized in that a shifting device (8) is arranged below the bottom plate (64), the shifting device (8) is connected with a base (9), the shifting device (8) comprises a left shifting component (81), a right shifting component (81) and a front shifting component (82), the left shifting component (81) and the right shifting component (82) are used for the bottom plate (64) to move left and right, the front shifting component (82) and the rear shifting component (82) are used for the bottom plate (64) to move front and back, and the left shifting component (81) and the front shifting component (82) are both arranged on the base (9).
8. A crank arm drilling device according to claim 7, characterized in that: the left and right shifting assembly (81) comprises a left box (811), a right and left lead screw (812) and a left and right motor (813), the left and right motor (813) is fixedly connected with the bottom plate (64), one end of the left and right lead screw (812) is fixedly connected with a driving shaft of the left and right motor (813), and the left and right lead screw (812) penetrates through the left and right box (811) and is connected with the left and right box (811) in a sliding manner.
9. A crank arm drilling device according to claim 7, characterized in that: a left guide groove (91) and a right guide groove (91) are formed in the base (9), a left box (811) and a right box (811) are fixedly connected with a left guide block (8111) and a right guide block (8111), and the left guide block and the right guide block (8111) are located in the left guide groove and the right guide groove (91) and are connected with the base (9) in a sliding mode.
10. A method of using a crank arm drilling device according to any of claims 1-3, comprising the steps of:
s1: firstly, a crankshaft (101) needing drilling is placed on one side of a crank arm drilling device;
s2: the milling head (5) is moved to a position needing drilling by utilizing a left-right shifting assembly (81) and a front-back shifting assembly (82);
s3: and (5) opening the driving motor (4) and the connecting cylinder (3) to start drilling.
CN202111574785.XA 2021-12-21 2021-12-21 Crank arm drilling device and using method thereof Pending CN114160837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111574785.XA CN114160837A (en) 2021-12-21 2021-12-21 Crank arm drilling device and using method thereof

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Application Number Priority Date Filing Date Title
CN202111574785.XA CN114160837A (en) 2021-12-21 2021-12-21 Crank arm drilling device and using method thereof

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CN114160837A true CN114160837A (en) 2022-03-11

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1052048A1 (en) * 1999-05-05 2000-11-15 Honsberg Lamb Sonderwerkzeugmaschinen GmbH Machine tool for working crankshafts
CN203209739U (en) * 2012-12-19 2013-09-25 镇江中船设备有限公司 Drilling device for horizontal holes of cooling water passages of diesel engine cylinder liner mounting holes
CN207900280U (en) * 2018-01-04 2018-09-25 中信重工机械股份有限公司 A kind of drilling equipment for processing hole in a limited space
CN208853757U (en) * 2018-07-16 2019-05-14 应充锦 It is a kind of can multi-angle corner aperture shearing hole machine
CN209550645U (en) * 2018-11-21 2019-10-29 胡坚强 A kind of cylinder automatic drilling machine
CN111633252A (en) * 2020-06-11 2020-09-08 重庆康铖智汇机械制造有限公司 Blade processingequipment for civil aviation
CN212822809U (en) * 2020-05-19 2021-03-30 吴江市菀坪鑫鑫机械有限公司 Cloth feeding tooth frame seat perforating device
CN213997852U (en) * 2020-11-06 2021-08-20 盐城市通越组合机床有限公司 Double-sided horizontal numerical control deep hole drilling machine
CN214023613U (en) * 2020-12-31 2021-08-24 帕森(常州)电气有限公司 Drilling polishing machine for manufacturing and processing motor parts
CN215144931U (en) * 2021-07-01 2021-12-14 重庆都成荣锋机械制造有限公司 Bent axle bores oblique oilhole equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1052048A1 (en) * 1999-05-05 2000-11-15 Honsberg Lamb Sonderwerkzeugmaschinen GmbH Machine tool for working crankshafts
CN203209739U (en) * 2012-12-19 2013-09-25 镇江中船设备有限公司 Drilling device for horizontal holes of cooling water passages of diesel engine cylinder liner mounting holes
CN207900280U (en) * 2018-01-04 2018-09-25 中信重工机械股份有限公司 A kind of drilling equipment for processing hole in a limited space
CN208853757U (en) * 2018-07-16 2019-05-14 应充锦 It is a kind of can multi-angle corner aperture shearing hole machine
CN209550645U (en) * 2018-11-21 2019-10-29 胡坚强 A kind of cylinder automatic drilling machine
CN212822809U (en) * 2020-05-19 2021-03-30 吴江市菀坪鑫鑫机械有限公司 Cloth feeding tooth frame seat perforating device
CN111633252A (en) * 2020-06-11 2020-09-08 重庆康铖智汇机械制造有限公司 Blade processingequipment for civil aviation
CN213997852U (en) * 2020-11-06 2021-08-20 盐城市通越组合机床有限公司 Double-sided horizontal numerical control deep hole drilling machine
CN214023613U (en) * 2020-12-31 2021-08-24 帕森(常州)电气有限公司 Drilling polishing machine for manufacturing and processing motor parts
CN215144931U (en) * 2021-07-01 2021-12-14 重庆都成荣锋机械制造有限公司 Bent axle bores oblique oilhole equipment

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