CN115213456A - Drilling device capable of accurately positioning for machining rotary platform of excavator - Google Patents

Abstract

The invention discloses a drilling device for processing an excavator rotary platform capable of precise positioning, and relates to the technical field of drilling equipment. The invention includes a base frame, the base frame includes a base; an annular guide frame is arranged on one side outside the base; a support ring frame is rotatably connected to the inner side of the annular guide frame; a clamping frame is arranged in an annular array between the inner side of the support ring frame and the center position ; The clamping frame and the supporting ring frame are slidingly matched with each other; the inner side of the supporting ring frame is rotatably connected with a rotating screw rod; the rotating screw rod and the clamping frame are threadedly matched with each other; The ends of a plurality of rotating screws are engaged with each other for transmission. In the present invention, the driving bevel gear and the driven bevel gears at the ends of the plurality of rotating screw rods are meshed with each other, and the plurality of rotating screws are screwed with the clamping frame when rotating, and under the limiting action of the guide rod, the plurality of rotating screws are The relative movement of the clamping frame automatically clamps and fixes the rotary platform, which improves the processing efficiency of the rotary platform.

Description

A drilling device for processing an excavator rotary platform capable of precise positioning

technical field

The invention belongs to the technical field of drilling equipment, and particularly relates to a drilling device for processing an excavator rotary platform capable of precise positioning.

Background technique

The slewing platform is an important part of the excavator, which bears the impact of the quality of the main equipment of the excavator and the impact of the external load, and its performance has a great influence on the overall improvement of the excavator.

Chinese patent CN101941094B (application number: 20101051936.0) discloses a "excavator chassis rotary platform special processing machine", in its embodiment mainly consists of a base, a gantry column, an upper beam, a transmission deceleration mechanism, a lateral slide, a lift slide, A bending plate, a rotary cutting mechanism and a base platform are formed. The lateral sliding table is connected with a transmission and deceleration mechanism; Longitudinal sliding track; the lateral sliding tongue is embedded in the lateral sliding track and cooperates with it to form a lateral sliding pair. The longitudinal sliding track is slidably matched with it to form a longitudinal sliding pair. The lifting slide table is slidably connected to the bending plate through a longitudinal sliding pair, the rotary cutting mechanism is fixed on the outside of the lifting slide table, the base platform is fixed on the base, and a clamping device is provided on the base platform to lock the waiting plate. The machined chassis, but the rotary cutting mechanism moves through the transverse slide table, and is lifted and lowered along the longitudinal sliding track by the lifting slide table, lacks the adjustment of the Y-axis movement of the rotary cutting mechanism, and the existing fixed clamping of the rotary platform cannot effectively Centering and automatic tightening cannot meet the needs of actual use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a drilling device for processing an excavator rotary platform that can be accurately positioned. Through the cooperation of a support ring frame, a clamping frame, a rotating screw and a driving gear, the first servo motor drives the driving bevel gear when it rotates. It meshes with the driven bevel gears at the ends of the multiple rotating screws, and the multiple rotating screws are threaded with the clamping frames during rotation, and under the limiting action of the guide rods, the multiple clamping frames move relatively to each other. The rotary platform is automatically clamped and fixed, which solves the problem that the existing fastening device for the rotary platform cannot effectively center and automatically fasten it.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions:

The present invention relates to a drilling device for processing an excavator rotary platform capable of precise positioning, comprising a base frame, and the base frame includes a base; an annular guide frame is arranged on one side outside the base; and an inner side of the annular guide frame is provided. A support ring frame is connected with the limit rotation; a slot is formed at one end of the annular guide frame away from the base; an adjusting worm that is mutually meshed with the support ring frame is rotatably connected between the two ends of the slot;

A clamping frame is arranged in an annular array between the inner side of the supporting ring frame and the central position; the clamping frame and the supporting ring frame are slidingly matched with each other; the inner side of the supporting ring frame and the central position are rotated at the bottom of the clamping frame A rotating screw rod is connected; the rotating screw rod and the clamping frame are threadedly matched with each other;

A first servo motor is fixed at a central position in the support ring frame; a drive bevel gear is fixed at the end of the shaft of the first servo motor; the drive bevel gear is respectively meshed with the ends of several rotating screw rods for transmission;

A first cylinder is fixed inside the top of the base; the end of the piston of the first cylinder is fixed with a lifting column that is mutually inserted with the top of the base; a horizontal frame is sleeved between two sides of the top of the lifting column; A second cylinder is fixed on one side of the top of the lifting column; the end of the piston of the second cylinder is fixedly connected with one end of the horizontal frame; the bottom of one end of the horizontal frame away from the second cylinder is rotatably connected with a drill bit; the horizontal frame is close to A second servo motor is fixed on the top of one end of the drill bit; the shaft end of the second servo motor is fixedly connected with the end of the drill bit.

As a preferred technical solution of the present invention, annular guide grooves are respectively opened at the top and bottom of the inner side of the annular guide frame; a third servo motor is fixed on the outer side of one end of the annular guide frame near the notch; the third servo motor The end of the rotating shaft is fixedly connected with the end of the adjusting worm.

As a preferred technical solution of the present invention, the support ring frame includes a guide ring; the outer peripheral sides of both ends of the guide ring are provided with annular guide ribs matched with the annular guide groove; the outer peripheral side of the guide ring is located at two The annular array between the annular guide ribs is provided with meshing teeth matched with the adjusting worm.

As a preferred technical solution of the present invention, a guide rod is provided in the annular array inside the guide ring; a center seat is provided between the ends of the guide rods and at the center of the guide ring; the inner bottom of the guide ring is connected to the center of the guide ring. The edges of the seats are all annularly arrayed with shaft seats that are mutually rotatably connected with the rotating screw rod;

As a preferred technical solution of the present invention, the clamping frame includes a guide seat; guide holes matched with the guide rods are opened between two sides of the guide seat; the bottom of the guide seat is provided with a rotating screw rod. The top of the guide seat is vertically fixed with an end splint; the bottom side of the end splint is fixed with a support; one side of the end frame plate and the upper surface of the support are provided with anti-skid grooves.

As a preferred technical solution of the present invention, a driven bevel gear matched with the driving bevel gear is fixed at one end of the rotating screw.

As a preferred technical solution of the present invention, the base bottom is provided with mounting ears on all sides around the base; the base top is provided with an inner slot matched with the first air cylinder and the lifting column.

As a preferred technical solution of the present invention, it is described that there are limited sleeve holes matched with the horizontal frame between the two sides of the top of the lifting column.

The present invention has the following beneficial effects:

1. In the present invention, the supporting ring frame, the clamping frame, the rotating screw and the driving gear are used together. When the first servo motor rotates, the driving bevel gear is driven to mesh with the driven bevel gears at the ends of the plurality of rotating screw rods, and multiple bevel gears are driven. The rotating screw thread cooperates with the clamping frame during rotation, and under the limiting action of the guide rod, the plurality of clamping frames move relative to each other to automatically clamp and fix the rotary platform, which improves the processing efficiency of the rotary platform.

2. In the present invention, when the worm rotates under the action of the third servo motor, it meshes with the meshing teeth on the peripheral side of the guide ring, and the guide ring cooperates with the annular guide groove of the annular guide frame through the annular guide rib. The rotation orientation of the rotary platform held on the support ring frame is adjusted, and the drill bit is precisely positioned under the action of the first cylinder and the second cylinder, which ensures the drilling accuracy of the rotary platform and meets the actual processing needs.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a drilling device for processing an excavator rotary platform capable of precise positioning according to the present invention;

2 is a schematic cross-sectional structural diagram of a drilling device for processing an excavator rotary platform capable of precise positioning;

Fig. 3 is the structural representation of the chassis;

Fig. 4 is the structural representation of the support ring frame;

Figure 5 is a schematic structural diagram of a clamping frame;

FIG. 6 is a schematic diagram of the assembly structure of the lifting column, the horizontal frame and the drilling.

In the accompanying drawings, the list of components represented by each number is as follows:

1- Bottom frame, 2- Support ring frame, 3- Adjusting worm, 4- Clamping frame, 5- Rotating screw, 6- First servo motor, 7- Drive bevel gear, 8- First cylinder, 9- Lifting column , 10-cross frame, 11-second cylinder, 12-drill bit, 13-second servo motor, 14-third servo motor, 101-base, 102-ring guide frame, 103-notch, 104-ring guide Slot, 105-installation lug, 106-inner slot, 201-guide ring, 202-ring guide rib, 203-engaging tooth, 204-guide rod, 205-center seat, 206-shaft seat, 207-mounting bracket, 401-guide seat, 402-guide hole, 403-threaded end lug, 404-end splint, 405-support, 406-anti-skid groove, 501-driven bevel gear, 901-limit sleeve hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Specific examples:

Please refer to FIGS. 1-6. The present invention is a drilling device for processing an excavator rotary platform capable of precise positioning. 102, the inner side of the annular guide frame 102 is connected with the support ring frame 2 in a limited rotation, and a slot 103 is opened at one end of the annular guide frame 102 away from the base 101, and the two ends of the slot 103 are rotatably connected with the support ring frame 2. To adjust the worm 3, the inner top and bottom of the annular guide frame 102 are respectively provided with annular guide grooves 104, and a third servo motor 14 is fixed on the outer side of one end of the annular guide frame 102 close to the slot 103. The ends of the worm 3 are fixedly connected. It should be further explained that in the embodiment of the present invention, the support ring frame 2 includes a guide ring 201, and the outer peripheral sides of both ends of the guide ring 201 are provided with annular guide ribs 202 matched with the annular guide groove 104. The outer peripheral side of the guide ring 201 and located between the two annular guide ribs 202 are provided with meshing teeth 203 in an annular array that cooperate with the adjusting worm 3, and a clamping frame 4 is arranged in an annular array between the inner side of the support ring frame 2 and the central position, which clamps The frame 4 and the support ring frame 2 are slidably matched with each other. Between the inner side of the support ring frame 2 and the center position and at the bottom of the clamping frame 4, a rotating screw 5 is rotatably connected, and the rotating screw 5 and the clamping frame 4 are screwed together. In short, in the embodiment of the present invention, the third servo motor 14 rotates to drive the adjusting worm 3 to mesh with the meshing teeth 203 on the outer peripheral side of the guide ring 201 located between the notches 103 , and the guide ring 201 passes through the annular guide rib 202 as a whole. It cooperates with the annular guide groove 104 inside the annular guide frame 102 , so that the entire support ring frame 2 rotates along the inner side of the annular guide frame 102 , and adjusts the rotational orientation of the entire rotary platform fastened and clamped on the support ring frame 2 .

Referring to FIG. 4 and FIG. 5 , a first servo motor 6 is fixed at the center of the support ring frame 2 , and a guide rod 204 is arranged in an annular array inside the guide ring 201 . Among them, a center seat 205 is provided between the ends of the guide rods 204 and located at the center of the guide ring 201. The inner bottom of the guide ring 201 and the edge of the center seat 205 are annularly arrayed with a shaft seat 206 that is rotatably connected to the rotating screw 5. The bottom edge of the center seat 205 is fixedly provided with a mounting frame 207 matched with the first servo motor 6 , and the first servo motor 6 is fixedly mounted on the mounting frame 207 . The clamping frame 4 in the embodiment of the present invention includes a guide seat 401 , a guide hole 402 is formed between two sides of the guide seat 401 to cooperate with the guide rod 204 , and the bottom of the guide seat 401 is provided with a threaded end that cooperates with the rotating screw 5 . The ear 403, the top of the guide base 401 is vertically fixed with an end splint 404, the bottom side of the end splint 404 is fixed with a support bracket 405, one side of the end frame plate 404 and the upper surface of the support bracket 405 are provided with anti-skid grooves 406, the first servo The rotating shaft end of the motor 6 is fixedly provided with a driving bevel gear 7 , and the driving bevel gears 7 are respectively meshed with the ends of several rotating screws 5 for transmission. In short, when the first servo motor 6 rotates, it drives the driving bevel gear 7 at the end of its shaft to rotate. Since the driving bevel gear 7 and the driven bevel gears 501 at the ends of the plurality of rotating screws During rotation, a plurality of rotating screws 5 are driven to rotate at the same time, and the rotating screws 5 and the threaded end ears 403 of the clamping frame 4 are threaded with each other, and the guide rod 204 between the inner side of the guide ring 201 and the center seat 205 has a limiting effect. Then, the plurality of clamping frames 4 are moved relative to each other, so that the rotary platform is automatically positioned and clamped and fixed.

In the embodiment of the present invention, a first cylinder 8 is fixed inside the top of the base 101 , as shown in FIGS. 1 and 6 , the end of the piston of the first cylinder 8 is fixedly provided with a lifting column 9 that is mutually inserted with the top of the base 101 . The base 101 is provided with mounting ears 105 on all sides around the bottom of the base 101 , the top of the base 101 is provided with an inner slot 106 which is matched with the first cylinder 8 and the lifting column 9 , and a horizontal frame 10 is sleeved between the two sides of the top of the lifting column 9 . , between the two sides of the top of the lifting column 9, there is a limit sleeve hole 901 that cooperates with the horizontal frame 10, a second cylinder 11 is fixed on one side of the top of the lifting column 9, and the end of the piston of the second cylinder 11 is connected to one end of the horizontal frame 10. A drill bit 12 is rotatably connected to the bottom of one end of the horizontal frame 10 away from the second cylinder 11 , a second servo motor 13 is fixed on the top of one end of the horizontal frame 10 close to the drill bit 12 , and the shaft end of the second servo motor 13 is fixed to the end of the drill bit 12 connect. In short, the second cylinder 11 drives the horizontal frame 10 to extend and retract along the limiting sleeve hole 901 at the top of the lifting column 9 as a whole to adjust the front and rear positions of the drill bit 12, and the first cylinder 8 expands and contracts the lifting column 9 as a whole along the base. The inner slots 106 at the top of the 101 cooperate with each other, and the drill bit 12 moves down to precisely drill holes on the rotary platform that is fastened and clamped on the support ring frame 2 .

A specific application of this embodiment is as follows: when the first servo motor 6 rotates, the driving bevel gear 7 is driven to rotate. Since the driving bevel gear 7 and the driven bevel gears 501 at the ends of the plurality of rotating screws 5 are engaged with each other for transmission, many Each of the rotating screws 5 rotates at the same time and threadedly cooperates with the threaded end ears 403 of the clamping frame 4, and under the limiting action of the guide rod 204 between the inner side of the guide ring 201 and the center seat 205, the plurality of clamping frames 4 Relatively move to adjust the distance between the plurality of clamping frames 4, place the rotary platform on the support 405 of the plurality of clamping frames 4, the first servo motor 6 continues to rotate and makes the plurality of clamping frames 4 continue to move, Therefore, the end clamps 404 of the plurality of clamping frames 4 are tightened and clamped to the rotary platform, which improves the efficiency of the rotary platform processing operation; The meshing teeth 203 on the side are engaged with each other for transmission, and the guide ring 201 as a whole cooperates with the annular guide groove 104 inside the annular guide frame 102 through the annular guide rib 202, so as to adjust the rotational orientation of the rotary platform fastened and clamped on the support ring frame 2. For adjustment, the second cylinder 11 drives the horizontal frame 10 to extend and retract along the limiting sleeve hole 901 at the top of the lifting column 9 as a whole to adjust the front and rear positions of the drill bit 12 , and the first cylinder 8 telescopically drives the entire lifting column 9 along the top of the base 101 The inner slots 106 of the rotary table are matched with each other, so that the drill bit 12 moves down to accurately drill the rotary platform fastened to the support ring frame 2, which ensures the high precision of drilling on the rotary platform and meets the actual processing needs. .

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms 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 above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (8)

1. A drilling device for processing an excavator rotary platform capable of precise positioning, comprising a chassis (1), characterized in that: The bottom frame (1) includes a base (101); an annular guide frame (102) is provided on the outer side of the base (101); and a support ring frame is connected to the inner side of the annular guide frame (102) for limit rotation (2); a notch (103) is provided at one end of the annular guide frame (102) away from the base (101); the two ends of the notch (103) are rotatably connected with the support ring frame (2) for mutual engagement the adjusting worm (3); A clamping frame (4) is arranged in an annular array between the inner side of the support ring frame (2) and the central position; the clamping frame (4) and the support ring frame (2) are slidably matched with each other; the support ring frame ( 2) A rotating screw (5) is rotatably connected between the inner side and the center position and at the bottom of the clamping frame (4); the rotating screw (5) and the clamping frame (4) are threadedly matched with each other; A first servo motor (6) is fixed at the inner center of the support ring frame (2); a drive bevel gear (7) is fixed at the end of the rotating shaft of the first servo motor (6); the drive bevel gear (7) ) are respectively meshed with the ends of several rotating screws (5) for transmission; A first cylinder (8) is fixed inside the top of the base (101); a lift column (9) that is mutually inserted with the top of the base (101) is fixed at the end of the piston of the first cylinder (8); A horizontal frame (10) is sleeved between two sides of the top of the lifting column (9); a second cylinder (11) is fixed on one side of the top of the lifting column (9); the piston of the second cylinder (11) The end is fixedly connected with one end of the horizontal frame (10); the bottom of one end of the horizontal frame (10) away from the second cylinder (11) is rotatably connected with a drill bit (12); one end of the horizontal frame (10) close to the drill bit (12) A second servo motor (13) is fixedly arranged on the top; the shaft end of the second servo motor (13) is fixedly connected with the end of the drill bit (12). 2 . A drilling device for processing an excavator rotary platform capable of precise positioning according to claim 1 , wherein an annular guide groove ( 104 ) is respectively opened at the top and bottom of the inner side of the annular guide frame ( 102 ). 3 . a third servo motor (14) is fixedly arranged on the outer side of one end of the annular guide frame (102) close to the slot (103); the shaft end of the third servo motor (14) is fixedly connected with the end of the adjusting worm (3). 3 . The drilling device for processing a rotary platform of an excavator capable of precise positioning according to claim 2 , wherein the support ring frame ( 2 ) comprises a guide ring ( 201 ); the guide ring ( 201 ) ) on the outer peripheral sides of both ends are provided with annular guide ribs (202) matched with the annular guide grooves (104); Adjust the engaging teeth (203) of the worm (3). 4 . The drilling device for processing an excavator slewing platform capable of precise positioning according to claim 3 , wherein the inner annular array of the guide ring ( 201 ) is provided with guide rods ( 204 ); A center seat (205) is arranged between the ends of the guide rods (204) and at the center of the guide ring (201); the inner bottom of the guide ring (201) and the edge of the center seat (205) are provided with a rotating screw in an annular array. (5) Shaft seats (206) that are rotatably connected to each other; the bottom edge of the center seat (205) is fixedly provided with a mounting bracket (207) matched with the first servo motor (6). 5 . A drilling device for processing a rotary platform of an excavator capable of precise positioning according to claim 4 , wherein the clamping frame ( 4 ) comprises a guide seat ( 401 ); the guide seat ( 401 ) A guide hole (402) matched with the guide rod (204) is provided between the two sides of the guide seat (401); the bottom of the guide seat (401) is provided with a threaded end lug (403) matched with the rotating screw (5); the An end clamp plate (404) is vertically fixed on the top of the guide seat (401); a support bracket (405) is fixed on one side of the bottom of the end clamp plate (404); one side of the end support plate (404) is connected with the support bracket (405). ) are provided with anti-skid grooves (406) on the upper surface. 6 . A drilling device for processing an excavator rotary platform capable of precise positioning according to claim 5 , wherein one end of the rotating screw ( 5 ) is fixedly provided with a driving bevel gear ( 7 ). 7 . The driven bevel gear (501). 7. A drilling device for processing an excavator rotary platform capable of precise positioning according to claim 1, wherein the base (101) is provided with mounting ears (105) on all sides around the bottom of the base (101); The top of the base (101) is provided with an inner slot (106) matched with the first cylinder (8) and the lifting column (9). 8 . The drilling device for processing an excavator slewing platform capable of precise positioning according to claim 1 , wherein, between the two sides of the top of the lifting column ( 9 ), there are provided with the horizontal frame ( 10 ). 9 . Matching limit sleeve hole (901).

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