CN217490982U

CN217490982U - Detection system for runaway of single-cylinder hydraulic cone crusher

Info

Publication number: CN217490982U
Application number: CN202220299345.1U
Authority: CN
Inventors: 陶勇政; 姜俊雄; 汪云强
Original assignee: Nanchang Mineral Systems Group Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-27
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a detecting system of single cylinder hydraulic cone crusher driving, including main shaft assembly and the upper frame that the cover was established at main shaft assembly top outside, be provided with the pulling force detection subassembly between main shaft assembly and the bearing cap, the pulling force detection subassembly comprises screw rod, flexible piece, micro motor, connecting rope, force transducer, and wherein the bottom rotation of screw rod sets up at the top of main shaft assembly, micro motor installs on the inside bottom face of bearing cap, the flexible piece sets up between micro motor output and screw rod top; the designed tension detection assembly improves the speed of detecting the runaway phenomenon, avoids the problem of detection lag, has a simple overall structure, is easy to install and debug in the later period, and overcomes the defects in the existing detection mode; the spout and the card post of design, quick completion are more convenient to micro motor's installation compared conventional bolt installation, and in the dismantlement maintenance in later stage, also more swift.

Description

Detecting system of single cylinder hydraulic cone crusher driving

Technical Field

The utility model belongs to the technical field of mine, aggregate processing equipment, concretely relates to detecting system of single cylinder hydraulic cone crusher driving.

Background

During the normal work operation of single cylinder hydraulic cone crusher, the main shaft assembly carries out two kinds of movements, an eccentric pendulum motion, another produces slower rotation motion owing to collide with the material and rub, when equipment is unusual, rotation motion can become very fast, this phenomenon generally is called the driving phenomenon, the wearing and tearing of the spare part of main shaft assembly contact and the meeting aggravation that generates heat during the driving, can lead to equipment key part wearing and tearing and burn out when serious, again because the unable visual detection of equipment normal during operation, what often take is the form of installing temperature sensor in the contact position, detect whether driving through detecting temperature rising, this kind of detection method is comparatively lagged to the detection of trouble, be difficult to in time discover the driving phenomenon.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detecting system of single cylinder hydraulic cone crusher driving to it detects the driving through the temperature rise and has the problem that detects the hysteresis to solve the current that provides among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the detection system comprises a main shaft assembly and an upper frame sleeved outside the top end of the main shaft assembly, wherein a tension detection assembly is arranged between the main shaft assembly and a bearing cover, the tension detection assembly is composed of a screw rod, a flexible sheet, a micro motor, a connecting rope and a tension sensor, the bottom of the screw rod is rotatably arranged at the top of the main shaft assembly, the micro motor is arranged on the bottom end face inside the bearing cover, the flexible sheet is arranged between the output end of the micro motor and the top end of the screw rod, the micro motor is in transmission connection with the screw rod through the flexible sheet, the tension sensor is in penetrating connection with the top of the upper frame, the detection end of the tension sensor is connected with the connecting rope, the installation end of the tension sensor is located outside the upper frame, and the connecting rope is connected with the screw rod in a winding manner.

Preferably, the rotation directions of the main shaft assembly and the screw rod are opposite, and the circle centers of the main shaft assembly and the screw rod are positioned on the same vertical line.

Preferably, the bottom end of the upper frame is connected with the top end opening of the bearing cover, and the centers of the upper frame, the main shaft assembly and the bearing cover are positioned on the same vertical line.

Preferably, the middle part of the spindle assembly is provided with a movable cone, a fixed toothed plate is formed on the inner wall of the upper frame, and a space exists between the fixed toothed plate and the disc body.

Preferably, the end face of the mounting end of the micro motor is symmetrically fixed with two arc plates, the staggered ends of the two arc plates are provided with sliding grooves, the top end face of the inner part of the bearing cover is fixed with a clamping column, the clamping column is connected with the sliding grooves in a sliding manner, a limiting bulge is formed at the end part of the sliding groove, and the limiting bulge is abutted against the clamping column.

Preferably, the longitudinal section of the clamping column is of an inverted T-shaped structure, and the diameter of the bottom of the clamping column is larger than the width of the inner side of the sliding groove.

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

1. the designed tension detection assembly greatly improves the speed of detecting the runaway phenomenon, avoids the problem of detection lag, has simple integral structure, is easy to install and debug at the later stage, and perfects a plurality of defects in the existing detection mode;

2. through the spout and the card post of design, completion that can be quick is more convenient to micro motor's installation compared conventional bolt installation, in the dismantlement maintenance in later stage, also more swift, can guarantee the stability in the installation simultaneously.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged schematic view of region A of FIG. 1 according to the present invention;

fig. 3 is a top view of the arc plate and the clamp column of the present invention.

In the figure: 1. an upper frame; 2. a main shaft assembly; 3. a screw; 4. a flexible sheet; 5. a micro-motor; 6. connecting ropes; 7. a tension sensor; 8. a bearing cap; 9. clamping the column; 10. a chute; 11. an arc plate; 12. and a limiting bulge.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a detection system for a single-cylinder hydraulic cone crusher runaway comprises a main shaft assembly 2 and an upper frame 1 sleeved outside the top end of the main shaft assembly 2, wherein a tension detection component is arranged between the main shaft assembly 2 and a bearing cover 8, the speed of runaway phenomenon detection is greatly improved through the designed tension detection component, the problem of detection lag is avoided, meanwhile, the whole structure is simple, the installation and later debugging are easy, and a plurality of defects in the existing detection mode are overcome, the tension detection component comprises a screw rod 3, a flexible sheet 4, a micro motor 5, a connecting rope 6 and a tension sensor 7, wherein the bottom of the screw rod 3 is rotatably arranged at the top of the main shaft assembly 2, the micro motor 5 is arranged on the inner bottom end face of the bearing cover 8, the flexible sheet 4 is arranged between the output end of the micro motor 5 and the top end of the screw rod 3, and the micro motor 5 is in transmission connection with the screw rod 3 through the flexible sheet 4, the tension sensor 7 is connected with the top of the upper frame 1 in a penetrating way, wherein the detection end of the tension sensor 7 is connected with the connecting rope 6, the installation end is arranged outside the upper frame 1, and the connecting rope 6 is connected with the screw rod 3 in a winding way.

In this embodiment, preferably, the rotation directions of the spindle assembly 2 and the screw 3 are opposite, so as to perform detection, and the centers of the two circles are located on the same vertical line.

In this embodiment, preferably, the bottom end of the upper frame 1 is connected to the top opening of the bearing cap 8, and the centers of the upper frame 1, the main shaft assembly 2 and the bearing cap 8 are located on the same vertical line, so as to facilitate processing and transmission.

In this embodiment, preferably, a movable cone is disposed in the middle of the main shaft assembly 2 for crushing, a fixed toothed plate is formed on the inner wall of the upper frame 1, and a gap exists between the fixed toothed plate and the disc body.

In this embodiment, it is preferred, the terminal surface symmetry of micro motor 5 installation end is fixed with two arc boards 11, and two arc board 11 crisscross ends have all seted up spout 10, be fixed with card post 9 on the inside top face of bearing cap 8, spout 10 and card post 9 through the design, completion that can be quick is to micro motor 5's installation, it is more convenient to compare conventional bolt installation, in the dismantlement maintenance in later stage, also more swift, can guarantee the stability in the installation simultaneously, card post 9 and spout 10 sliding connection, tip at spout 10 is formed with spacing arch 12, spacing arch 12 offsets with card post 9.

In this embodiment, preferably, the longitudinal section of the clamping column 9 is of an inverted "T" shaped structure, the diameter of the bottom of the clamping column 9 is greater than the width of the inner side of the sliding groove 10, the clamping column 9 is directly inserted into the sliding groove 10 during the installation of the micro motor 5, the micro motor 5 is rotated until the clamping column 9 is clamped into the inner side of the limiting protrusion 12, the arc plate 11 is slightly deformed to clamp the clamping column 9 during the clamping, the limiting protrusion 12 limits the rotation of the clamping column 9, and the longitudinal limitation of the self shape of the clamping column 9 is completed.

The utility model discloses a theory of operation and use flow: when the utility model is used, a screw rod 3 which can axially rotate is arranged at the top end of a main shaft assembly 2, the top end of the screw rod 3 is connected with a micro motor 5 through a flexible sheet 4, wherein the flexible sheet 4 can be replaced by a universal joint to offset the influence of eccentric pendulum, the micro motor 5 drives the screw rod 3 to rotate towards the opposite direction of the rotation of the main shaft assembly 2 through the flexible sheet 4, the rotation speed is determined as the critical speed of the main shaft assembly 2, the screw rod 3 is connected with a connecting rope 6 with reliable strength, the other end of the connecting rope 6 is connected with a tension sensor 7, when the rotation speed of the spindle assembly 2 exceeds the reverse rotation speed of the micro motor 5, the connecting rope 6 is wound on the screw rod 3 to be tensioned, the tension sensor 7 can send a signal to plc, and at the moment, the equipment can be judged to fly, wherein the model of the micro motor 5 is FF-M20 VA.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detecting system of single cylinder hydraulic cone crusher driving, includes that main shaft assembly (2) and cover establish frame (1) in the outside last in main shaft assembly (2) top, its characterized in that: a tension detection assembly is arranged between the main shaft assembly (2) and the bearing cover (8), the tension detection component consists of a screw rod (3), a flexible sheet (4), a micro motor (5), a connecting rope (6) and a tension sensor (7), wherein the bottom of the screw rod (3) is rotationally arranged at the top of the main shaft assembly (2), the micro motor (5) is arranged on the bottom end surface of the inside of the bearing cover (8), the flexible sheet (4) is arranged between the output end of the micro motor (5) and the top end of the screw rod (3), the micro motor (5) is in transmission connection with the screw (3) through the flexible sheet (4), the tension sensor (7) is connected with the top of the upper frame (1) in a penetrating way, wherein the detection end of the tension sensor (7) is connected with the connecting rope (6), the installation end is arranged outside the upper frame (1), and the connecting rope (6) is wound and connected with the screw rod (3).

2. The detection system of the runaway of the single cylinder hydraulic cone crusher of claim 1, wherein: the main shaft assembly (2) and the screw rod (3) are opposite in rotation direction, and the circle centers of the main shaft assembly and the screw rod are positioned on the same vertical line.

3. The detection system of the runaway of the single cylinder hydraulic cone crusher of claim 1, wherein: the bottom end of the upper frame (1) is connected with the top end opening of the bearing cover (8), and the centers of the upper frame (1), the main shaft assembly (2) and the bearing cover (8) are positioned on the same vertical line.

4. The detection system of the runaway of the single cylinder hydraulic cone crusher of claim 1, wherein: the middle part of the main shaft assembly (2) is provided with a movable cone, a fixed toothed plate is formed on the inner wall of the upper rack (1), and a distance exists between the fixed toothed plate and the disk body.

5. The detection system of the runaway of the single cylinder hydraulic cone crusher of claim 1, wherein: the end face symmetry of micro motor (5) installation end is fixed with two arc boards (11), and two arc board (11) crisscross ends have all seted up spout (10), be fixed with card post (9) on the inside top face of bearing cap (8), card post (9) and spout (10) sliding connection the tip of spout (10) is formed with spacing arch (12), spacing arch (12) offset with card post (9).

6. The detecting system of claim 5 for the runaway of a single cylinder hydraulic cone crusher, wherein: the longitudinal section of the clamping column (9) is of an inverted T-shaped structure, and the diameter of the bottom of the clamping column (9) is larger than the width of the inner side of the sliding groove (10).