Angle stacking type high material level alarm device

Abstract

The utility model relates to an angle stacking type high material level alarm device, and belongs to the technical field of sintering production equipment in the metallurgical industry. According to the technical scheme, a shell body (1) is of a cylindrical structure with an upper opening and a lower opening, tempered glass serving as a tempered glass observation window (3) is arranged at the upper end of the shell body (1), a rubber sealing sleeve (7) is arranged at the lower end of the shell body (1), the shell body (1), the tempered glass observation window (3) and the rubber sealing sleeve (7) are combined together to form a sealing cavity, and a limiting switch support (4) is arranged on the upper portion of the sealing cavity. A limit switch (8) is arranged on the limit switch support (4), and a detection stop lever assembly (5) matched with the limit switch (8) is arranged on the lower portion of the sealing cavity. The high-material-level alarm device has the advantages that the mechanical lever principle is adopted, interference of adverse factors such as material dust, steam, mist and temperature is avoided, stable detection of the high-material-level alarm device is guaranteed, and powerful guarantee is provided for high-material-level judgment of a material bin.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of high material level alarm devices of stack angle, belong to metallurgical industry sintering production equipment technical field. BACKGROUND

[0002] Material level detection is one of important procedures in sintering production, and currently steel enterprise stock bin material level detection basically adopts following several forms: radar material level meter, ultrasonic material level meter, resistance spin material level meter, infrared material level meter etc., but these material level meters have certain shortcomings when collecting material level signal.Radar material level meter is influenced by material dielectric constant, and the material with low dielectric constant reflects weak signal, leading to inaccurate measurement, and excessive dust in material bin can also cause inaccurate measurement, and cost is higher;Ultrasonic material level meter has requirements on dust and temperature, and the propagation speed of ultrasonic wave changes with temperature, so real-time temperature compensation is needed, and high concentration dust or steam can absorb or scatter sound wave, and noise in industry can also interfere with signal reception, causing inaccurate measurement of ultrasonic material level meter;Resistance spin material level meter is easily damaged by material impact during use;Infrared material level meter has limitations on material characteristics, and the material is basically dark, leading to weak signal and inaccurate detection, and infrared light is easily scattered or absorbed by dust, mist or steam in stock bin, leading to signal weakening or misjudgment, and cost is higher.Inaccurate high material level measurement can easily cause material loading to overflow, causing serious production accidents. SUMMARY

[0003] The utility model aims at providing a kind of high material level alarm devices of stack angle mechanical, which is not disturbed by material dust, steam, mist, temperature and other adverse factors, provides strong guarantee for stock bin high material level judgment, and solves the problem of material loading to overflow in the background art.

[0004] The technical scheme of the utility model is as follows:

[0005] A kind of high material level alarm devices of stack angle, including shell main body, toughened glass observation window, limit switch support, detection stop lever assembly, rubber seal sleeve and limit switch, the shell main body is the cylindrical structure of upper and lower openings, and the upper end of shell main body is provided with toughened glass as toughened glass observation window, and the lower end of shell main body is provided with rubber seal sleeve, and shell main body, toughened glass observation window and rubber seal sleeve are combined to form a sealed cavity, and the upper portion of sealed cavity is provided with limit switch support, and the limit switch support is provided with limit switch, and the lower portion of sealed cavity is provided with detection stop lever assembly matched with limit switch.

[0006] Further, the detection stop lever assembly comprises a telescopic lever, a detection stop lever and a lower stop plate, the detection stop lever is rotatably connected to a detection stop lever support through a pin shaft, the detection stop lever support is fixed in the shell main body, the upper end of the detection stop lever is matched with a limit switch, the lower end of the detection stop lever extends to the outside of the sealed cavity, the telescopic lever is connected together through an adjusting bolt detection stop lever, and the lower end of the telescopic lever is provided with the lower stop plate.

[0007] Further, the lower stop plate at the lower end of the telescopic lever is a rectangular plate.

[0008] Further, the limit switch support at the upper part of the sealed cavity is fixed in the shell main body.

[0009] Further, the tempered glass at the upper end of the shell main body is provided with an O-shaped sealing ring between the tempered glass and the shell main body.

[0010] In use, the device is installed in a stock bin, when materials are accumulated to a certain amount and touch the lower stop plate, the lower stop plate is tilted along with the material accumulation, the upper part of the detection stop lever triggers the limit switch when the lower stop plate is tilted to a certain angle, a high material level alarm signal is sent, and feeding is stopped; when the stock bin is discharged, the lower stop plate is reset along with the material discharge, the high material level alarm signal disappears, and feeding is allowed.

[0011] The device has the advantages that: the mechanical lever principle is adopted, and the device is not disturbed by bad factors such as material dust, steam, fog and temperature, stable detection of the high material level alarm device is ensured, and strong guarantee is provided for high material level judgment of the stock bin. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the device;

[0013] Figure 2 It is a front view of the detection stop lever assembly of the device;

[0014] Figure 3 It is a side view of the detection stop lever assembly of the device;

[0015] Figure 4 It is a schematic view of the shell main body of the device;

[0016] Figure 5 It is a position diagram of the device in an example and allowing discharging;

[0017] Figure 6 It is a position diagram of the device in an example and full bin alarm;

[0018] In the figure: shell body 1, base 2, tempered glass observation window 3, limit switch bracket 4, detection stop lever assembly 5, detection stop lever bracket 6, rubber sealing sleeve 7, limit switch 8, adjusting bolt 9, telescopic rod 10, wire inlet hole 11, O-shaped sealing ring 12, pin shaft 13, limit switch bracket fixing bolt 14, detection stop lever 15, lower baffle 16, stock bin 17, lower discharge port 18, material 19, the utility model 20. DETAILED DESCRIPTION

[0019] The utility model will be further explained by examples in combination with drawings:

[0020] Refer to the drawings Figures 1-4 A high material level alarm device of pile angle type, including shell body 1, tempered glass observation window 3, limit switch bracket 4, detection stop lever assembly 5, rubber sealing sleeve 7 and limit switch 8, the shell body 1 is the tubular structure of upper and lower openings, and the upper end of shell body 1 is provided with tempered glass as tempered glass observation window 3, and the lower end of shell body 1 is provided with rubber sealing sleeve 7, and shell body 1, tempered glass observation window 3 and rubber sealing sleeve 7 are combined together to form a sealed cavity, and the upper portion of the sealed cavity is provided with limit switch bracket 4, and the limit switch bracket 4 is provided with limit switch 8, and the lower portion of the sealed cavity is provided with detection stop lever assembly 5 matched with limit switch 8.

[0021] In the embodiment, refer to the drawings Figures 1-4 The high material level alarm device of pile angle type, including shell body 1, base 2, tempered glass observation window 3, limit switch bracket 4, detection stop lever assembly 5, detection stop lever bracket 6, rubber sealing sleeve 7, limit switch 8, adjusting bolt 9, telescopic rod 10, wire inlet hole 11, O-shaped sealing ring 12, pin shaft 13, limit switch bracket fixing bolt 14, detection stop lever 15 and lower baffle 16, wherein:

[0022] The shell body 1 is the tubular structure of upper and lower openings, and the upper end of shell body 1 is provided with tempered glass as tempered glass observation window 3, and O-shaped sealing ring 12 is arranged between the tempered glass and shell body 1, and the tempered glass observation window 3 is used to observe the running condition of internal parts, and the internal parts can be replaced after being opened.

[0023] The opening is provided with base 2 at the top of stock bin 17, and the base 2 is used to fix shell body 1.

[0024] The limit switch bracket 4 is fixed in shell body 1 through limit switch bracket fixing bolt 14, and is used to fix limit switch 8, and the limit switch 8 is used to send alarm signal.

[0025] The detection of the stop lever assembly 5 is to detect the material height, with the increase of the material pile angle, touch the limit switch, alarm. It contains telescopic rod 10, detection of the stop lever 15 and the lower baffle 16, detection of the stop lever 15 is connected by pin shaft 13 on the detection of the stop lever bracket 6, detection of the stop lever bracket 6 is fixed in the shell main body 1, the upper end of detection of the stop lever 15 and limit switch 8 cooperation, the lower end of detection of the stop lever 15 extends to the outside of the sealed cavity, telescopic rod 10 through the adjusting bolt 9 detection of the stop lever 15 connected together, the lower end of telescopic rod 10 is provided with the lower baffle 16, the lower baffle 16 is a rectangular plate, its role is to contact with the material, displacement change.

[0026] The detection of the stop lever fixed bracket 6 is to install the detection of the stop lever assembly 5.

[0027] The role of the rubber seal sleeve 7 is to prevent the separation into the shell main body 1, with the detection of the stop lever assembly tilt, ensure effective sealing.

[0028] The role of the adjusting bolt 9 is to adjust the length of telescopic rod 10, control the high position of the silo alarm.

[0029] The shell main body 1 is provided with the wire hole 11, the role of the wire hole 11 is to lead the signal cable into the shell main body 1.

[0030] Referring to the attached Figures 1-4 , when the length of the detection of the stop lever assembly 5 needs to be adjusted, the tempered glass observation window 3 is removed, the limit switch bracket fixing bolt 14 is loosened, the limit switch bracket 4, limit switch 8 and pin shaft 13 are removed, the detection of the stop lever assembly 5 is taken out of the shell main body 1, the adjusting bolt 9 is loosened, and the adjustment is carried out.

[0031] The attached Figure 5 is the form of the device in the state of allowing loading, at this time, the detection of the stop lever assembly 5 does not produce displacement, does not touch the limit switch 8, and does not send alarm signal.

[0032] The attached Figure 6 is the form of the device in the full silo state, the detection of the stop lever assembly 5 produces displacement, touches the limit switch 8, and sends alarm signal.

Claims

1. A high material level alarm device with a pile angle, characterized in that: The utility model relates to a kind of limit switch, including shell body (1), toughened glass observation window (3), limit switch bracket (4), detection baffle rod assembly (5), rubber seal sleeve (7) and limit switch (8), the shell body (1) is the tubular structure of upper and lower opening, toughened glass is equipped on shell body (1) upper end as toughened glass observation window (3), rubber seal sleeve (7) is equipped on shell body (1) lower end, shell body (1), toughened glass observation window (3) and rubber seal sleeve (7) are combined together and constitute a sealed cavity, the upper portion of sealed cavity is equipped with limit switch bracket (4), limit switch (8) is equipped on limit switch bracket (4), the lower portion of sealed cavity is equipped with detection baffle rod assembly (5) with limit switch (8) cooperation.

2. A high material level alarm device with a stack angle according to claim 1, characterized in that: The detection baffle rod assembly (5) includes telescopic rod (10), detection baffle rod (15) and lower baffle (16), detection baffle rod (15) is rotatably connected on detection baffle rod bracket (6) by pin shaft (13), detection baffle rod bracket (6) is fixed in shell body (1), the upper end of detection baffle rod (15) is matched with limit switch (8), the lower end of detection baffle rod (15) extends to the outside of sealed cavity, telescopic rod (10) is connected together by adjusting bolt (9) detection baffle rod (15), the lower end of telescopic rod (10) is equipped with lower baffle (16).

3. A high material level alarm device according to claim 2, characterized in that: The lower baffle (16) of the lower end of telescopic rod (10) is rectangular plate.

4. A high material level alarm device according to claim 1, characterized in that: The limit switch bracket (4) of the upper portion of sealed cavity is fixed in shell body (1).

5. A high material level alarm device according to claim 1, characterized in that: O-shaped sealing ring (12) is equipped between the toughened glass of the upper end of shell body (1) and shell body (1).

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