CN212705598U

CN212705598U - Excavator planet carrier is with fixed frock

Info

Publication number: CN212705598U
Application number: CN202021008935.1U
Authority: CN
Inventors: 刘海鹏
Original assignee: Suzhou Shengtai Machinery Manufacturing Co ltd
Current assignee: Suzhou Shengtai Machinery Manufacturing Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-03-16
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a fixed tool for planet carrier of excavator, which comprises a base shaped like disc, wherein three chutes are arranged on the upper end surface of the base, vertical upright rods are slidably arranged in the chutes, the upper end of each upright rod extends to the outside of the base and is hinged with a pull rod, and a driving device for driving the three upright rods to slide inwards or outwards simultaneously is arranged in the base; a pressing device used for pressing the bottom plate is installed between every two sliding grooves, and a positioning device used for limiting the installation angle of the planet carrier is installed on the upper surface of the base. The device saves more complicated positioning work and improves the working efficiency; the device does not need to carry out tool setting work on the dead axle in the clamping process, saves tool setting procedures and improves the working efficiency.

Description

Excavator planet carrier is with fixed frock

Technical Field

The utility model belongs to the technical field of the frock, concretely relates to excavator planet carrier is with fixed frock.

Background

The planet carrier is an important part in the excavator, and is one of main components of a planetary gear transmission, as shown in fig. 1: the planet carrier includes bottom plate 23, circumference distributes has a plurality of vertical scroll on the bottom plate, hole 22 has been seted up at the middle part of bottom plate 23, the planet carrier is in the course of working, need counter shaft outer annular surface, hole anchor ring and bottom plate bottom surface finish machining, need in advance to bottom plate ground and hole anchor ring processing before processing the vertical shaft outer annular surface, when processing the vertical shaft outer annular surface, ordinary fixed frock need carry out center pin location and each vertical scroll tool setting location to the hole, counter shaft annular surface processing after the location is accomplished, when carrying out the batch processing, tool setting and location occupy longer time, influence the job schedule, for this reason, the planet carrier that can solve above-mentioned problem is with fixed frock.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides an excavator planet carrier is with fixed frock can realize saving tool setting time, the higher planet carrier of work efficiency is with fixed frock.

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

a fixing tool for a planet carrier of an excavator comprises a base in a disc shape, wherein three sliding grooves which are circumferentially arrayed around the axis of the base are formed in the upper end face of the base, vertical upright rods which are vertically arranged are slidably mounted in the sliding grooves, the upper end of each upright rod extends to the outside of the base and is hinged with a pull rod, one end, away from the corresponding upright rod, of each pull rod is provided with a positioning ring which can be tightly abutted against the side wall of an inner hole, and a driving device which is used for driving the three upright rods to slide inwards or outwards simultaneously is mounted in the base;

every two all install the closing device who is used for compressing tightly the bottom plate between the spout, the last surface mounting of base has the positioner who is used for restricting planet carrier installation angle.

Preferably, the driving device comprises a rotary table rotatably mounted inside the base, the upper surface of the rotary table is provided with spiral teeth, the bottom of each upright rod is correspondingly provided with a sliding rod capable of sliding towards the center of the base, the upright rods are fixedly mounted on the sliding rods, the bottoms of the sliding rods are respectively and fixedly provided with a sliding block, the bottom of each sliding block is meshed with the spiral teeth on the rotary table, and the base is internally provided with a motor for driving the rotary table to rotate.

Preferably, the pressing device comprises an oil cylinder installed on the base, the output end of the oil cylinder is vertically arranged upwards, the output end of the oil cylinder is provided with a rotatable pressing plate, and the bottom of one end, far away from the output end of the oil cylinder, of the pressing plate is provided with a pressing block used for pressing the surface of the bottom plate.

Preferably, the positioning device comprises a fixing frame arranged on the upper surface of the base, a limiting rod is rotatably arranged at the upper end of the fixing frame, a limiting block is arranged on one side of the fixing frame, and the limiting rod abuts against the upper end of the limiting block.

Preferably, a plurality of mounting blocks provided with mounting holes are circumferentially distributed on the outer side of the base.

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

(1) the utility model discloses a plurality of pull rods that can strut to the outside are installed on the upper surface of the base, and the pull rods center-position the inner hole of the planet carrier through the tension of the swivel in the process of outward strut, thus realizing that the device saves more complicated positioning work and improves the working efficiency;

(2) the utility model discloses an install the gag lever post on the base, one side of vertical scroll can support tightly on the gag lever post, has realized that this device need not the counter shaft at the clamping in-process and carries out tool setting work, can confirm one of them vertical scroll axle center, has saved the tool setting process, and work efficiency improves.

Drawings

Fig. 1 is a schematic structural view of a planet carrier of the present invention;

fig. 2 is a schematic view of the installation state of the present invention;

FIG. 3 is a processing state diagram after the clamping of the utility model is completed;

FIG. 4 is a cross-sectional view of the interior of the base of the present invention;

fig. 5 is a schematic view of the connection between the plurality of pull rods and the rotary table of the present invention.

Description of reference numerals:

1. the device comprises a base, 2, a planet carrier, 21, a vertical shaft, 22, an inner hole, 23, a bottom plate, 3, a vertical rod, 4, a rotating ring, 5, a pull rod, 6, a limiting block, 7, a limiting rod, 8, a fixing frame, 9, a motor, 10, a sliding block, 11, a rotating disc, 12, a pressing plate, 13, an oil cylinder, 14, a sliding groove, 15 and a sliding rod.

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 5, a fixing tool for a planet carrier of an excavator comprises a base 1 in a disc shape, a plurality of mounting blocks provided with mounting holes are circumferentially distributed on the outer side of the base 1, the mounting blocks can be fixed on a machine tool workbench through bolts, three sliding grooves 14 circumferentially arrayed around the axis of the base 1 are formed in the upper end face of the base 1, the length directions of the sliding grooves 14 point to the axis of the base 1, upright rods 3 vertically arranged are slidably mounted in the sliding grooves 14, the upper end of each upright rod 3 extends to the outside of the base 1 and is hinged with a pull rod 5, one end of each pull rod 5, which is far away from the corresponding upright rod 3, is provided with a positioning ring which can be tightly abutted against the side wall of an inner hole 22, the pull rod 5 can rotate at least 180 degrees on the upper end of the upright rod 3 to ensure that the pull rod 5 can point to the planet carrier 2 horizontally and can also be opened to the outside, and a driving device for simultaneously driving, the driving device comprises a rotary table 11 which is rotatably installed inside a base 1, the upper surface of the rotary table 11 is provided with spiral teeth, the bottom of each upright rod 3 is correspondingly provided with a slide rod 15 which can slide towards the center of the circle of the base 1, the upright rods 3 are fixedly installed on the slide rods 15, the bottoms of the slide rods 15 are respectively and fixedly provided with a slide block 10, the bottom of each slide block 10 is meshed with the spiral teeth on the rotary table 11, a motor 9 which is used for driving the rotary table 11 to rotate is installed inside the base 1, the motor 9 drives the rotary table 11 to rotate, the rotary table 11 can drive the slide blocks 10 to simultaneously slide outwards or inwards in the rotating process, and the slide blocks 10 drive the upright rods 3 to slide through the slide rods 15 in the sliding process;

a pressing device for pressing the bottom plate 23 is installed between every two sliding grooves 14, the pressing device comprises an oil cylinder 13 installed on the base 1, the output end of the oil cylinder 13 is vertically arranged upwards, a rotatable pressing plate 12 is installed at the output end of the oil cylinder 13, a pressing block for pressing the surface of the bottom plate 23 is installed at the bottom of one end, away from the output end of the oil cylinder 13, of the pressing plate 12, the output end of the oil cylinder 13 can drive the pressing plate 12 to slide up and down, when the pressing plate slides upwards, the bottom plate 23 is released, the pressing plate 12 can rotate to the outside, the planet carrier 2 is conveniently taken out, the planet carrier 2 can be pressed by downward sliding of the pressing plate 12, the planet carrier 2 is processed, a positioning device for limiting the installation angle of the planet carrier 2 is installed on the upper surface of the base 1, the positioning device comprises a, a limiting block 6 is installed on one side of the fixing frame 8, the limiting rod 7 is tightly abutted to the upper end of the limiting block 6, the central position of the planet carrier 2 is determined through the pull rods 5 and the rotating rings 4, it is guaranteed that the planet carrier 2 can only rotate around the axis of the base 1, the vertical shaft 21 on the planet carrier 2 is tightly abutted to one side of the limiting rod 7, the position of the axis of a single vertical shaft 21 can be confirmed, and then the positions of the vertical shafts 21 can be confirmed without tool setting.

When the device is used, the base 1 is installed on the surface of a machine tool workbench through bolts, the planet carrier 2 is installed on the upper surface of the base 1 and close to the central position, the pull rods 5 sequentially rotate towards the inner side, the rotating ring 4 is arranged in the inner hole 22, the rotating ring 4 is a rotatable circular ring, the motor 9 drives the rotating disc 11 to rotate, the rotating disc 11 can drive the sliding blocks 10 to simultaneously slide towards the outer side in the rotating process, the sliding blocks 10 drive the pull rods 5 to simultaneously slide towards the outer side through the sliding rods 15 and the upright rods 3, the circular ring on the pull rods 5 can be unfolded towards the outer side, the center of the inner hole 22 of the planet carrier 2 is ensured to be arranged at the center of the base 1, the limiting rods 7 are rotated to the pointing inner side, the planet carrier 2 is rotated, any one vertical shaft 21 of the planet carrier 2 is abutted against the limiting rod 7, the oil cylinder 13 drives the pressing plate 12 to tightly press the planet carrier, the planet carrier 2 can be machined through a machine tool, the installation time is saved, and the working efficiency is high.

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 utility model provides an excavator planet carrier is with fixed frock which characterized in that: the device comprises a disc-shaped base (1), wherein three sliding grooves (14) which are circumferentially arrayed around the axis of the base (1) are formed in the upper end face of the base (1), vertical rods (3) which are vertically arranged are slidably mounted in the sliding grooves (14), the upper end of each vertical rod (3) extends to the outside of the base (1) and is hinged with a pull rod (5), one end, far away from the corresponding vertical rod (3), of each pull rod (5) is provided with a positioning ring which can be tightly abutted against the side wall of an inner hole (22), and a driving device which is used for driving the three vertical rods (3) to slide inwards or outwards is mounted inside the base (1);

every two all install the closing device who is used for compressing tightly bottom plate (23) between spout (14), the last surface mounting of base (1) has the positioner who is used for restricting planet carrier (2) installation angle.

2. The fixing tool for the planet carrier of the excavator according to claim 1, wherein the driving device comprises a rotating disc (11) rotatably mounted inside the base (1), the upper surface of the rotating disc (11) is provided with spiral teeth, a sliding rod (15) capable of sliding towards the center of the base (1) is correspondingly arranged at the bottom of each upright rod (3), the upright rods (3) are fixedly mounted on the sliding rods (15), sliding blocks (10) are fixedly mounted at the bottoms of the sliding rods (15), the bottoms of the sliding blocks (10) are meshed with the spiral teeth on the rotating disc (11), and a motor (9) for driving the rotating disc (11) to rotate is mounted inside the base (1).

3. The excavator planet carrier fixing tool according to claim 2, wherein the pressing device comprises an oil cylinder (13) installed on the base (1), the output end of the oil cylinder (13) is vertically arranged upwards, a rotatable pressing plate (12) is installed at the output end of the oil cylinder (13), and a pressing block used for pressing the surface of the bottom plate (23) is installed at the bottom of one end, away from the output end of the oil cylinder (13), of the pressing plate (12).

4. The fixing tool for the planet carrier of the excavator according to claim 3, wherein the positioning device comprises a fixing frame (8) installed on the upper surface of the base (1), a limiting rod (7) is rotatably installed at the upper end of the fixing frame (8), a limiting block (6) is installed at one side of the fixing frame (8), and the limiting rod (7) abuts against the upper end of the limiting block (6).

5. The fixing tool for the planet carrier of the excavator according to claim 4, wherein a plurality of mounting blocks provided with mounting holes are circumferentially distributed on the outer side of the base (1).