CN115213456A - Drilling device capable of accurately positioning for machining rotary platform of excavator - Google Patents
Drilling device capable of accurately positioning for machining rotary platform of excavator Download PDFInfo
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- CN115213456A CN115213456A CN202210967607.1A CN202210967607A CN115213456A CN 115213456 A CN115213456 A CN 115213456A CN 202210967607 A CN202210967607 A CN 202210967607A CN 115213456 A CN115213456 A CN 115213456A
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 238000003754 machining Methods 0.000 title claims abstract description 16
- 230000000670 limiting effect Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling device capable of accurately positioning for machining of an excavator rotating platform, and relates to the technical field of drilling equipment. The invention comprises a chassis, which comprises a base; an annular guide frame is arranged on one side of the outer part of the base; the inner side of the annular guide frame is rotatably connected with a supporting ring frame; clamping frames are arranged between the inner side of the supporting ring frame and the central position in an annular array manner; the clamping frame and the supporting ring frame are mutually matched in a sliding way; the inner side of the supporting ring frame is rotationally connected with a rotary screw rod; the rotary screw rod is in threaded fit with the clamping frame; a driving bevel gear is fixedly arranged at the rotating shaft end of the first servo motor; the driving bevel gear is meshed with the ends of the plurality of rotary screws for transmission. According to the invention, the driving bevel gears are meshed with the driven bevel gears at the end parts of the plurality of the rotating screws, the plurality of the rotating screws are in threaded fit with the clamping frames when rotating, and the plurality of the clamping frames move relatively to automatically clamp and fix the rotary platform under the limiting action of the guide rod, so that the processing efficiency of the rotary platform is improved.
Description
Technical Field
The invention belongs to the technical field of drilling equipment, and particularly relates to a drilling device capable of accurately positioning for machining of an excavator rotary platform.
Background
The rotary platform is an important component of the excavator, bears the mass of main equipment of the excavator and the impact of external load, and the performance of the rotary platform has great influence on the overall lifting of the excavator.
The embodiment of the special processing machine for the chassis rotary platform of the excavator, disclosed in Chinese patent CN101941094B (application number: 20101051936.0), mainly comprises a base, a gantry upright post, an upper cross beam, a transmission speed reducing mechanism, a transverse sliding table, a lifting sliding table, a bent plate, a rotary cutting mechanism and a base platform, wherein the transverse sliding table is connected with the transmission speed reducing mechanism; a transverse sliding track is arranged at the lower part of the transverse sliding table, a transverse sliding tongue is arranged at the upper end of the bent plate, and a longitudinal sliding track is arranged in the longitudinal direction; the transverse sliding tongue is embedded into the transverse sliding rail and is in sliding fit with the transverse sliding rail to form a transverse sliding pair, the bent plate is in sliding connection with the transverse sliding table through the transverse sliding pair, the lifting sliding table is provided with a longitudinal sliding tongue, and the longitudinal sliding tongue is embedded into the longitudinal sliding rail and is in sliding fit with the longitudinal sliding rail to form a longitudinal sliding pair. The lift slip table is through vice and bent plate sliding connection of longitudinal sliding, rotatory cutting mechanism fixes in the lift slip table outside, base platform fixes on the base, is equipped with chucking device on the base platform for the chassis of processing is treated in the locking, but rotatory cutting mechanism removes via horizontal slip table, and goes up and down along the longitudinal sliding track by the lift slip table, lacks the rotation cutting mechanism Y axle and removes the regulation, and current fixed chucking to rotary platform, can't effectively center and the automatic fastening to it, can't satisfy the needs of in-service use.
Disclosure of Invention
The invention aims to provide a drilling device capable of accurately positioning for machining a rotary platform of an excavator, wherein a supporting ring frame, a clamping frame, rotary screw rods and a driving gear are matched for use, a first servo motor drives a driving bevel gear to be meshed with driven bevel gears at the end parts of a plurality of rotary screw rods when rotating, the rotary screw rods are in threaded fit with the clamping frame when rotating, and the clamping frames move relatively to automatically clamp and fix the rotary platform under the limiting action of a guide rod.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a drilling device capable of accurately positioning for machining a rotary platform of an excavator, which comprises an underframe, wherein the underframe comprises a base; an annular guide frame is arranged on one side of the outer part of the base; the inner side of the annular guide frame is in limited rotary connection with a support ring frame; one end of the annular guide frame, which is far away from the base, is provided with a notch; an adjusting worm meshed with the supporting ring frame is rotatably connected between the two ends of the notch;
clamping frames are arranged between the inner side of the supporting ring frame and the central position in an annular array manner; the clamping frame and the supporting ring frame are mutually matched in a sliding way; a rotary screw rod is rotatably connected between the inner side of the supporting ring frame and the central position and positioned at the bottom of the clamping frame; the rotary screw rod is in threaded fit with the clamping frame;
a first servo motor is fixedly arranged at the central position in the support ring frame; a driving bevel gear is fixedly arranged at the rotating shaft end of the first servo motor; the driving bevel gear is respectively meshed with the ends of the plurality of rotary screws for transmission;
a first cylinder is fixedly arranged inside the top end of the base; the end part of the first cylinder piston is fixedly provided with a lifting column which is mutually spliced with the top of the base; a cross frame is sleeved between the two sides of the top of the lifting column; a second cylinder is fixedly arranged on one side of the top of the lifting column; the end part of the piston of the second cylinder is fixedly connected with one end part of the transverse frame; the bottom of one end, far away from the second cylinder, of the transverse frame is rotatably connected with a drill bit; a second servo motor is fixedly arranged at the top of one end, close to the drill bit, of the transverse frame; and the rotary shaft end of the second servo motor is fixedly connected with the end part of the drill bit.
As a preferred technical scheme of the invention, the top and the bottom of the inner side of the annular guide frame are respectively provided with an annular guide groove; a third servo motor is fixedly arranged on the outer side of one end, close to the notch, of the annular guide frame; and the rotating shaft end of the third servo motor is fixedly connected with the end part of the adjusting worm.
As a preferable technical solution of the present invention, the support ring frame includes a guide ring; the side surfaces of the peripheries of the two ends of the guide ring are provided with annular guide ribs matched with the annular guide grooves; and the peripheral side surface of the guide ring and the position between the two annular guide ribs are provided with meshing teeth matched with the adjusting worm in an annular array manner.
As a preferred technical scheme of the invention, the guide rods are arranged on the inner side of the guide ring in an annular array; a central seat is arranged between the end parts of the guide rods and is positioned at the central position of the guide ring; the inner bottom of the guide ring and the edge of the central seat are both provided with shaft seats in an annular array, and the shaft seats are mutually and rotatably connected with the rotary screw; and the edge of the bottom of the center seat is fixedly provided with a mounting rack matched with the first servo motor.
As a preferred technical solution of the present invention, the holder includes a guide; a guide hole matched with the guide rod is formed between the two sides of the guide seat; the bottom of the guide seat is provided with a threaded end lug matched with the rotary screw; an end clamping plate is vertically and fixedly arranged at the top of the guide seat; one side of the bottom of the end clamping plate is fixedly provided with a support; and anti-skidding grooves are formed in one side of the end frame plate and the upper surface of the support.
As a preferable technical scheme of the invention, a driven bevel gear matched with the driving bevel gear is fixedly arranged at one end part of the rotating screw rod.
As a preferred technical scheme of the invention, the side surfaces of the periphery of the bottom of the base are provided with mounting end lugs; the top of the base is provided with an inner slot matched with the first cylinder and the lifting column.
As a preferred technical scheme of the invention, a limit sleeve hole matched with the cross frame is arranged between two side surfaces of the top of the lifting column.
The invention has the following beneficial effects:
1. according to the invention, through the matched use of the supporting ring frame, the clamping frames, the rotating screw rods and the driving gear, the first servo motor drives the driving bevel gears to be meshed with the driven bevel gears at the end parts of the plurality of rotating screw rods when rotating, the plurality of rotating screw rods are in threaded fit with the clamping frames when rotating, and under the limiting action of the guide rod, the plurality of clamping frames move relatively to automatically clamp and fix the rotary platform, so that the processing operation efficiency of the rotary platform is improved.
2. According to the invention, when the adjusting worm rotates under the action of the third servo motor, the adjusting worm is meshed with the meshing teeth on the peripheral side surface of the guide ring, and the guide ring is matched with the annular guide groove of the annular guide frame through the annular guide rib, so that the rotating direction of the rotary platform fixedly clamped on the support ring frame is adjusted, and meanwhile, the drill bit is accurately positioned under the action of the first air cylinder and the second air cylinder, so that the drilling accuracy of the rotary platform is ensured, and the actual processing requirement is met.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a drilling device for machining an excavator rotary platform, which can be accurately positioned, according to the invention;
FIG. 2 is a schematic sectional view of a drilling device for machining a revolving platform of an excavator, which can be accurately positioned;
FIG. 3 is a schematic view of the structure of the chassis;
FIG. 4 is a schematic view of the support ring frame;
FIG. 5 is a schematic structural view of a holder;
fig. 6 is a schematic view of the assembly of the lifting column, cross-frame and drilling.
In the drawings, the reference numbers indicate the following list of parts:
1-base frame, 2-support ring frame, 3-adjusting worm, 4-clamping frame, 5-rotating screw, 6-first servo motor, 7-driving bevel gear, 8-first air cylinder, 9-lifting column, 10-cross frame, 11-second air cylinder, 12-drill bit, 13-second servo motor, 14-third servo motor, 101-base, 102-annular guide frame, 103-notch, 104-annular guide groove, 105-mounting end lug, 106-inner slot, 201-guide ring, 202-annular guide rib, 203-meshing tooth, 204-guide rod, 205-center seat, 206-axle seat, 207-mounting frame, 401-guide seat, 402-guide hole, 403-threaded end lug, 404-end clamping plate, 405-support bracket, 406-anti-skidding groove, 501-driven bevel gear, 901-limit sleeve hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The specific embodiment is as follows:
referring to fig. 1-6, the drilling device for machining an excavator rotary platform capable of being accurately positioned comprises an underframe 1, wherein the underframe 1 comprises a base 101, an annular guide frame 102 is arranged on one side of the outer portion of the base 101, a support ring frame 2 is connected to the inner side of the annular guide frame 102 in a limiting and rotating manner, a notch 103 is formed in one end, away from the base 101, of the annular guide frame 102, an adjusting worm 3 meshed with the support ring frame 2 is connected between two ends of the notch 103 in a rotating manner, annular guide grooves 104 are formed in the top and the bottom of the inner side of the annular guide frame 102 respectively, a third servo motor 14 is fixedly arranged on the outer side of one end, close to the notch 103, of the annular guide frame 102, a rotating shaft end of the third servo motor 14 is fixedly connected with the end portion of the adjusting worm 3, it is further described that the support ring frame 2 comprises a guide ring 201, annular guide ribs 202 matched with the annular guide grooves 104 are arranged on the outer peripheral side surfaces of two ends of the guide ring 201, meshing teeth 203 matched with the adjusting worm 3 are arranged on the annular array arranged on the outer peripheral side surfaces of the two annular guide ribs 202, a position between the inner side of the support ring 2 and a central position, a clamping frame 4 is arranged on the inner side of the annular array of the support ring 2, a sliding frame 4 matched with the support ring 2, a rotating screw 5, and a rotating screw rod 5 are arranged on the central position of the support ring 2, and a rotating position of the rotating screw. In short, in the embodiment of the present invention, the third servomotor 14 rotates to drive the adjusting worm 3 to engage with the engaging teeth 203 on the outer peripheral side surface of the guide ring 201 located between the notches 103, and the entire guide ring 201 is engaged with the annular guide groove 104 on the inner side of the annular guide frame 102 through the annular guide rib 202, so that the entire support ring frame 2 rotates along the inner side of the annular guide frame 102, and the rotational direction of the entire rotary platform tightly clamped on the support ring frame 2 is adjusted.
Referring to fig. 4 and 5, a first servo motor 6 is fixedly arranged at a central position in the support ring frame 2, and guide rods 204 are arranged on the inner side of the guide ring 201 in an annular array. Wherein, a center seat 205 is arranged between the end parts of the plurality of guide rods 204 and at the center of the guide ring 201, shaft seats 206 rotatably connected with the rotary screw 5 are arranged on the bottom of the guide ring 201 and the edge of the center seat 205 in an annular array, a mounting rack 207 matched with the first servo motor 6 is fixedly arranged on the edge of the bottom of the center seat 205, and the first servo motor 6 is fixedly mounted on the mounting rack 207. The clamping frame 4 in the embodiment of the invention comprises a guide seat 401, a guide hole 402 matched with the guide rod 204 is arranged between two sides of the guide seat 401, a threaded end lug 403 matched with the rotary screw 5 is arranged at the bottom of the guide seat 401, an end clamping plate 404 is vertically and fixedly arranged at the top of the guide seat 401, a supporting bracket 405 is fixedly arranged at one side of the bottom of the end clamping plate 404, anti-skidding grooves 406 are respectively arranged at one side of the end frame plate 404 and the upper surface of the supporting bracket 405, a driving bevel gear 7 is fixedly arranged at the rotating shaft end of a first servo motor 6, the driving bevel gear 7 is respectively meshed with the end parts of a plurality of rotary screws 5 for transmission, and a driven bevel gear 501 matched with the driving bevel gear 7 is fixedly arranged at one end part of the rotary screw 5. In short, when the first servo motor 6 rotates, the drive bevel gear 7 at the end of the rotating shaft is driven to rotate, because the drive bevel gear 7 is in mesh transmission with the driven bevel gears 501 at the ends of the plurality of rotating screws 5, the drive bevel gear 7 drives the plurality of rotating screws 5 to rotate simultaneously when rotating, and the rotating screws 5 are in threaded fit with the threaded end lugs 403 of the clamping frames 4, and under the limiting action of the guide rod 204 between the inner side of the guide ring 201 and the central seat 205, the plurality of clamping frames 4 move relatively, so that the rotary platform is automatically positioned and clamped and fixed.
In the embodiment of the invention, a first cylinder 8 is fixedly arranged inside the top end of a base 101, as shown in fig. 1 and 6, a lifting column 9 which is mutually inserted with the top of the base 101 is fixedly arranged at the piston end of the first cylinder 8, mounting end lugs 105 are arranged on the peripheral side surfaces of the bottom of the base 101, an inner inserting groove 106 which is matched with the first cylinder 8 and the lifting column 9 is formed in the top of the base 101, a cross frame 10 is sleeved between the two sides of the top of the lifting column 9, a limiting sleeve hole 901 which is matched with the cross frame 10 is formed between the two side surfaces of the top of the lifting column 9, a second cylinder 11 is fixedly arranged on one side of the top of the lifting column 9, the piston end of the second cylinder 11 is fixedly connected with one end of the cross frame 10, the bottom of the end of the cross frame 10 far away from the second cylinder 11 is rotatably connected with a drill bit 12, a second servo motor 13 is fixedly arranged at the top of the end of the cross frame 10 near the drill bit 12, and the rotating shaft end of the second servo motor 13 is fixedly connected with the drill bit 12. In short, the second cylinder 11 drives the whole limit sleeve hole 901 along the lift post 9 top of crossbearer 10 flexible, adjusts the front and back position of drill bit 12, and the flexible lift post 9 that drives of first cylinder 8 is whole to mutually support along the interior slot 106 at base 101 top, and drill bit 12 moves down and carries out accurate trompil to the rotary platform of fastening centre gripping on supporting ring frame 2.
One specific application of this embodiment is: the first servo motor 6 drives the driving bevel gear 7 to rotate when rotating, and the driving bevel gear 7 is respectively meshed with and drives the driven bevel gears 501 at the end parts of the plurality of rotating screws 5, so that the plurality of rotating screws 5 simultaneously rotate and are in threaded fit with the threaded end lugs 403 of the clamping frames 4, and under the limiting action of the guide rod 204 between the inner side of the guide ring 201 and the central seat 205, the plurality of clamping frames 4 relatively move to adjust the distance between the plurality of clamping frames 4, the rotary platform is arranged on the supports 405 of the plurality of clamping frames 4, the first servo motor 6 continuously rotates and continuously moves the plurality of clamping frames 4, so that the end clamping plates 404 of the plurality of clamping frames 4 clamp the rotary platform tightly, and the processing efficiency of the rotary platform is improved; the third servo motor 14 rotates and drives the adjusting worm 3 to rotate, the adjusting worm 3 is meshed with the meshing teeth 203 on the peripheral side face of the guide ring 201 for transmission, the guide ring 201 is integrally matched with the annular guide groove 104 on the inner side of the annular guide frame 102 through the annular guide rib 202, the rotating direction of the rotary platform clamped on the support ring frame 2 in a fastening mode is adjusted, the second cylinder 11 drives the transverse frame 10 to be integrally telescopic along the limiting sleeve hole 901 in the top of the lifting column 9, the front position and the rear position of the drill bit 12 are adjusted, the lifting column 9 is integrally driven to be matched with the inner inserting groove 106 in the top of the base 101 through the telescopic action of the first cylinder 8, the drill bit 12 is made to move downwards to accurately open the rotary platform clamped on the support ring frame 2, the high accuracy of rotary platform drilling is guaranteed, and the requirement of actual processing is met.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an excavator rotary platform that can accurate location drilling equipment for processing, includes chassis (1), its characterized in that:
the chassis (1) comprises a base (101); an annular guide frame (102) is arranged on one side of the outer part of the base (101); the inner side of the annular guide frame (102) is in limited rotary connection with a support ring frame (2); one end of the annular guide frame (102) far away from the base (101) is provided with a notch (103); an adjusting worm (3) meshed with the support ring frame (2) is rotatably connected between the two ends of the notch (103);
clamping frames (4) are arranged between the inner side of the supporting ring frame (2) and the central position in an annular array manner; the clamping frame (4) is in sliding fit with the supporting ring frame (2) mutually; a rotary screw rod (5) is rotatably connected between the inner side of the supporting ring frame (2) and the central position and is positioned at the bottom of the clamping frame (4); the rotary screw (5) is in threaded fit with the clamping frame (4) mutually;
a first servo motor (6) is fixedly arranged at the central position in the supporting ring frame (2); a driving bevel gear (7) is fixedly arranged at the rotating shaft end of the first servo motor (6); the driving bevel gear (7) is in meshed transmission with the end parts of the plurality of rotating screws (5) respectively;
a first air cylinder (8) is fixedly arranged inside the top end of the base (101); the end part of the piston of the first air cylinder (8) is fixedly provided with a lifting column (9) which is mutually spliced with the top of the base (101); a cross frame (10) is sleeved between the two sides of the top of the lifting column (9); a second cylinder (11) is fixedly arranged on one side of the top of the lifting column (9); the end part of the piston of the second cylinder (11) is fixedly connected with one end part of the transverse frame (10); the bottom of one end of the transverse frame (10), which is far away from the second cylinder (11), is rotatably connected with a drill bit (12); a second servo motor (13) is fixedly arranged at the top of one end of the transverse frame (10) close to the drill bit (12); and the rotating shaft end of the second servo motor (13) is fixedly connected with the end part of the drill bit (12).
2. The drilling device capable of achieving accurate positioning for machining of the rotary platform of the excavator according to claim 1, wherein the annular guide grooves (104) are formed in the top and the bottom of the inner side of the annular guide frame (102) respectively; a third servo motor (14) is fixedly arranged on the outer side of one end, close to the notch (103), of the annular guide frame (102); and the rotating shaft end of the third servo motor (14) is fixedly connected with the end part of the adjusting worm (3).
3. The drilling device capable of being accurately positioned for machining of the rotary platform of the excavator according to claim 2, wherein the support ring frame (2) comprises a guide ring (201); the side surfaces of the peripheries of the two ends of the guide ring (201) are respectively provided with an annular guide rib (202) matched with the annular guide groove (104); the side face of the periphery of the guide ring (201) and the annular array between the two annular guide ribs (202) are provided with meshing teeth (203) matched with the adjusting worm (3).
4. The drilling device capable of being accurately positioned for machining of the rotary platform of the excavator according to claim 3, wherein the guide ring (201) is provided with guide rods (204) in an annular array at the inner side; a central seat (205) is arranged between the end parts of the guide rods (204) and at the central position of the guide ring (201); shaft seats (206) which are mutually rotationally connected with the rotary screw (5) are arranged on the inner bottom of the guide ring (201) and the edge of the central seat (205) in an annular array; and a mounting rack (207) matched with the first servo motor (6) is fixedly arranged at the bottom edge of the central seat (205).
5. The drilling device capable of being accurately positioned and used for machining of the rotary platform of the excavator, which is disclosed by claim 4, is characterized in that the clamping frame (4) comprises a guide seat (401); a guide hole (402) matched with the guide rod (204) is formed between the two sides of the guide seat (401); the bottom of the guide seat (401) is provided with a thread end lug (403) matched with the rotary screw (5); an end clamping plate (404) is vertically and fixedly arranged at the top of the guide seat (401); a support (405) is fixedly arranged on one side of the bottom of the end clamping plate (404); and anti-skidding grooves (406) are formed in one side of the end frame plate (404) and the upper surface of the support bracket (405).
6. The drilling device capable of realizing accurate positioning for machining of the rotary platform of the excavator according to claim 5, wherein a driven bevel gear (501) matched with the driving bevel gear (7) is fixedly arranged at one end of the rotary screw (5).
7. The drilling device capable of being accurately positioned for machining of the rotary platform of the excavator as claimed in claim 1, wherein the side surfaces of the periphery of the bottom of the base (101) are provided with mounting end lugs (105); the top of the base (101) is provided with an inner inserting groove (106) matched with the first air cylinder (8) and the lifting column (9).
8. The drilling device capable of accurately positioning for machining of the rotary platform of the excavator as claimed in claim 1, wherein a limiting sleeve hole (901) matched with the cross frame (10) is formed between two side faces of the top of the lifting column (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210967607.1A CN115213456A (en) | 2022-08-12 | 2022-08-12 | Drilling device capable of accurately positioning for machining rotary platform of excavator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210967607.1A CN115213456A (en) | 2022-08-12 | 2022-08-12 | Drilling device capable of accurately positioning for machining rotary platform of excavator |
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| CN115213456A true CN115213456A (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210967607.1A Pending CN115213456A (en) | 2022-08-12 | 2022-08-12 | Drilling device capable of accurately positioning for machining rotary platform of excavator |
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| CN115446353A (en) * | 2022-10-26 | 2022-12-09 | 江苏明冠电源科技有限公司 | Processing equipment for high-performance battery separator |
| CN115647424A (en) * | 2022-10-31 | 2023-01-31 | 无锡中叶合金制品有限公司 | Positioning and processing device for slewing bearing hole |
| CN117399672A (en) * | 2023-12-16 | 2024-01-16 | 徐州维尔德科技发展有限公司 | Drilling equipment for machining rotary platform of excavator |
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| CN212793133U (en) * | 2020-07-09 | 2021-03-26 | 太原钢铁(集团)电气有限公司 | Improved drilling device for producing transformer |
| CN212917715U (en) * | 2020-08-31 | 2021-04-09 | 武汉鼎泰封头制造有限公司 | Be used for multi-functional flange blind plate drilling positioner |
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