CN212169720U

CN212169720U - Hole machining and fixing tool for excavator swing rod

Info

Publication number: CN212169720U
Application number: CN202020986129.5U
Authority: CN
Inventors: 刘海鹏
Original assignee: Suzhou Shengtai Machinery Manufacturing Co ltd
Current assignee: Suzhou Shengtai Machinery Manufacturing Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-12-18
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a hole machining and fixing tool for an excavator swing rod, which comprises a mounting frame, wherein a turntable is rotatably mounted in the middle of the upper surface of the mounting frame, a through groove which is radially arranged is formed in the turntable, both ends of the through groove penetrate through the outer wall of the turntable, two symmetrically arranged sliding strips are slidably inserted in the through groove, and the outer ends of the two sliding strips respectively extend to the outer part of the turntable and are provided with a first snap ring; a pressing device for fixing the swing rod is arranged above the turntable; the fixed plate is installed to mounting bracket upper surface one end, installs first hydro-cylinder on the fixed plate, and the second snap ring is installed to the one end of first hydro-cylinder output shaft, and the intrados radian of first snap ring and second snap ring is the same. The second clamping ring and any one of the first clamping rings can fix the corresponding shaft sleeve and process the inner hole of the shaft sleeve; under the condition of not needing to relocate, successively process the hole of two axle sleeves, improve work efficiency.

Description

Hole machining and fixing tool for excavator swing rod

Technical Field

The utility model belongs to the technical field of the drilling frock, concretely relates to frock is fixed with spot facing work to excavator pendulum rod.

Background

The swing link is a component on the excavator, as shown in fig. 1: the oscillating bar comprises a connecting rod 103 positioned in the middle, a first shaft sleeve 101 and a second shaft sleeve 102 which are arranged at two ends of the connecting rod, inner holes are formed in the two shaft sleeves, the machining precision of the inner holes is high, the oscillating bar needs to be installed on a special machine tool (such as a drilling machine and a machining center) for machining, the oscillating bar needs to be positioned on a workpiece and subjected to tool setting on the machine tool before machining, the working process is complex, the oscillating bar is not suitable for batch machining, and therefore a drilling tool for the oscillating bar capable of solving the problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a frock is fixed with spot facing work to excavator pendulum rod can realize that the location is quick, accurate, drilling frock is used to the pendulum rod that work efficiency is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hole machining and fixing tool for an excavator swing rod comprises a mounting frame, wherein a rotary table is rotatably mounted in the middle of the upper surface of the mounting frame, a through groove which is radially arranged is formed in the rotary table, two ends of the through groove penetrate through the outer wall of the rotary table, two symmetrically arranged slide bars are inserted in the through groove in a sliding mode, the outer ends of the two slide bars respectively extend to the outer portion of the rotary table and are provided with first snap rings, and a driving device for driving the two slide bars to slide outwards or inwards at the same speed simultaneously is arranged in the rotary table; a pressing device for fixing the swing rod is arranged above the turntable;

the mounting bracket is characterized in that a fixing plate is installed at one end of the upper surface of the mounting bracket, a first oil cylinder is installed on the fixing plate, a second clamping ring is installed at one end of an output shaft of the first oil cylinder, and the radian of the inner arc surface of the first clamping ring is identical to that of the inner arc surface of the second clamping ring.

Preferably, racks are installed at one end, inserted into the through groove, of each of the two sliding strips, the two racks are symmetrical along the axis of the rotary table, a gear is installed in the through groove and located at the axis of the rotary table in a rotating mode, two sides of the gear are meshed with the two racks, a side plate is installed outside any one of the sliding strips, and a second oil cylinder used for driving the side plate to slide is installed inside the rotary table.

Preferably, closing device includes the pressure disk, the last surface mounting of carousel has the location axle of a plurality of perpendicular to carousel upper surfaces, gliding installation is epaxial in the location about the pressure disk, carousel top threaded connection has the housing bolt who is used for compressing tightly the pressure disk.

Preferably, positioning blocks are mounted at four corners of the mounting frame.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model has the advantages that the two sliding bars which slide outwards are arranged in the turntable, the outer ends of the two sliding bars are respectively provided with the first snap ring, the two first snap rings push the two shaft sleeves outwards in the process of sliding outwards, the swing rod is arranged on the turntable, and the corresponding shaft sleeves and the inner holes of the shaft sleeves can be processed by the second snap ring and any one first snap ring;

(2) the utility model discloses a rotate the carousel and install on the mounting bracket, realized rotating the carousel and can change the position of two axle sleeves, under the condition that need not the relocation, process the hole of two axle sleeves, improve work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the swing rod of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a top cross-sectional view of the present invention;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3 according to the present invention.

Description of reference numerals:

1. the device comprises a swing rod, 101, a first shaft sleeve, 102, a second shaft sleeve, 103, a connecting rod, 2, an installation frame, 201, a through groove, 3, a rotary table, 4, a first clamping ring, 5, a pressure plate, 6, a compression bolt, 7, a positioning shaft, 8, a first oil cylinder, 9, a second clamping ring, 10, a sliding strip, 11, a side plate, 12, a gear, 13, a motor, 14, a second oil cylinder, 15, a fixing plate, 16 and a rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, a hole machining and fixing tool for a swing rod of an excavator comprises a mounting frame 2, wherein positioning blocks are mounted at four corners of the mounting frame 2, the hole machining and fixing tool can be mounted on a machine tool through the positioning blocks, a rotary table 3 is rotatably mounted in the middle of the upper surface of the mounting frame 2, a through groove 201 which is radially arranged and has two ends penetrating through the outer wall of the rotary table 3 is formed in the rotary table 3, as shown in fig. 3, the through groove 201 is formed in the middle of the rotary table 3, two symmetrically arranged slide bars 10 are slidably inserted into the through groove 201, the outer ends of the two slide bars 10 respectively extend to the outer part of the rotary table 3 and are provided with first snap rings 4, the two first snap rings 4 prop the swing rod 1 outwards to position a first shaft sleeve 101 and a second shaft sleeve 102 on the swing rod 1, a driving device for driving the two slide bars 10 to slide outwards or inwards at the same speed is arranged in the rotary, the two sliding strips 10 are inserted into one end of the penetrating groove 201 and are provided with racks 16, the two racks 16 are symmetrical along the axis of the rotary table 3, a gear 12 is rotatably arranged in the penetrating groove 201 at the axis of the rotary table 3, two sides of the gear 12 are meshed with the two racks 16 respectively, a side plate 11 is arranged outside any one sliding strip 10, a second oil cylinder 14 used for driving the side plate 11 to slide is arranged in the rotary table 3, the second oil cylinder 14 drives the rack 16 connected with the second oil cylinder and the sliding strip 10 to slide outwards through the side plate 11, the two racks 16 are meshed with the gear 12, and the two sliding strips 10 are driven to slide outwards at the same speed; a pressing device used for fixing the oscillating bar 1 is installed above the rotary table 3, the pressing device comprises a pressure plate 5, a plurality of positioning shafts 7 vertical to the upper surface of the rotary table 3 are installed on the upper surface of the rotary table 3, the pressure plate 5 is installed on the positioning shafts 7 in a vertically sliding mode, a pressing bolt 6 used for pressing the pressure plate 5 is connected to the upper portion of the rotary table 3 in a threaded mode, and the pressing bolt 6 can be screwed down to drive the pressure plate 5 to slide downwards and press the oscillating bar 1 on the rotary table 3;

fixed plate 15 is installed to 2 upper surface one ends of mounting bracket, install first hydro-cylinder 8 on the fixed plate 15, second snap ring 9 is installed to the one end of 8 output shafts of first hydro-cylinder, the intrados radian of first snap ring 4 and second snap ring 9 is the same, and the radian is the same with the external diameter of axle sleeve, and first hydro-cylinder 8 drives second snap ring 9 and slides towards 3 axle center directions of carousel, and first snap ring 4 and second snap ring 9 can press from both sides tightly and fix corresponding axle sleeve.

When the device is used, the device is arranged on a processing machine tool, the mounting frame 2 is fixed on a worktable of the machine tool through bolts, the connecting rod 103 in the middle of the swing rod 1 is tightly attached to the upper surface of the rotary table 3, the shaft sleeves at two ends of the swing rod 1 are respectively arranged at the outer sides of the two first clamping rings 4, the output shaft of the second oil cylinder 14 extends, the two sliding strips 10 are driven by the side plate 11, the rack 16 and the gear 12 to simultaneously slide towards the outer side, the two shaft sleeves are pushed outwards by the two first clamping rings 4 outside the sliding strips 10, the pressure plate 5 is flatly placed on the connecting rod 103, the connecting rod 103 is fixed by driving the pressure plate 5 through the compression bolt 6, the motor 13 drives the rotary table 3 to rotate, any one shaft sleeve is arranged between the first clamping ring 4 and the second clamping ring 9, the output shaft of the first oil cylinder 8 extends to drive the first clamping ring 4 to compress the shaft sleeves tightly, the shaft sleeves can be fixed, after the processing is accomplished, first hydro-cylinder 8 drives second snap ring 9 and slides to the direction of keeping away from first snap ring 4, and the release axle sleeve, motor 13 drive carousel 3 rotate 180 degrees, and first hydro-cylinder 8 drives second snap ring 9 and presss from both sides tight axle sleeve again, and this device need not to carry out loaded down with trivial details positioning work before drilling, saves process time, improves work efficiency.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The hole machining and fixing tool for the swing rod of the excavator is characterized by comprising a mounting frame (2), wherein a rotary table (3) is rotatably mounted in the middle of the upper surface of the mounting frame (2), a through groove (201) which is radially arranged and has two ends penetrating through the outer wall of the rotary table (3) is formed in the rotary table (3), two symmetrically-arranged slide bars (10) are slidably inserted into the through groove (201), the outer ends of the two slide bars (10) respectively extend to the outer part of the rotary table (3) and are provided with first snap rings (4), and a driving device for driving the two slide bars (10) to slide outwards or inwards at the same speed at the same time is arranged in the rotary table (3); a pressing device for fixing the swing rod (1) is arranged above the turntable (3);

fixed plate (15) are installed to mounting bracket (2) upper surface one end, install first hydro-cylinder (8) on fixed plate (15), second snap ring (9) are installed to the one end of first hydro-cylinder (8) output shaft, the interior cambered surface radian of first snap ring (4) and second snap ring (9) is the same.

2. The hole machining and fixing tool for the swing rod of the excavator according to claim 1, wherein racks (16) are mounted at one ends of the two sliding strips (10) inserted into the through grooves (201), the two racks (16) are symmetrical along the axis of the turntable (3), gears (12) are rotatably mounted at the positions, located at the axis of the turntable (3), of the through grooves (201), two sides of the gears (12) are meshed with the two racks (16) respectively, a side plate (11) is mounted outside any one sliding strip (10), and a second oil cylinder (14) used for driving the side plate (11) to slide is mounted inside the turntable (3).

3. The hole machining and fixing tool for the swing rod of the excavator according to claim 2, wherein the pressing device comprises a pressing plate (5), a plurality of positioning shafts (7) perpendicular to the upper surface of the rotating plate (3) are mounted on the upper surface of the rotating plate (3), the pressing plate (5) is mounted on the positioning shafts (7) in a vertically sliding mode, and a pressing bolt (6) used for pressing the pressing plate (5) is connected to the upper portion of the rotating plate (3) in a threaded mode.

4. The hole machining and fixing tool for the swing rod of the excavator according to claim 3, wherein positioning blocks are mounted at four corners of the mounting frame (2).