CN216971047U - Photoelectric sensing type coal blockage protection monitoring device - Google Patents

Abstract

The utility model discloses a photoelectric induction type coal blockage protection monitoring device, which relates to the technical field of coal blockage protection and comprises a case and a base fixedly connected with the bottom of the case, wherein a hook is attached to the outer side wall of the case; the outer side wall of the hook is attached with a hook groove, the inner side wall of the hook groove is connected with a sliding plate in a sliding mode, the top of the sliding plate is fixedly connected with a pull rope, the end part of the pull rope is fixedly connected with a limiting block, and the top of the limiting block is fixedly connected with a limiting spring.

Description

Photoelectric sensing type coal blockage protection monitoring device

Technical Field

The utility model relates to the technical field of coal blockage protection, in particular to a photoelectric induction type coal blockage protection monitoring device.

Background

The coal pipe is a general name of coal conveying pipelines in industries such as coal, ports, thermal power, coal dump stations, coal washery, coal-fired industrial boilers and the like, pipelines in other industries such as cement and coal dropping pipes which can also be called in mining industries are utilized, the coal dropping pipes generally comprise coal dropping buckets, descending pipes, diversion trenches and other parts, and air locks are required to be added to longer coal dropping pipes to reduce dust raising. When shunting, it also needs to add shunting flap gate and other parts. In the coal protection system of the coal conveying system of coal-fired power plant, the RF admittance type coal blockage detection device is generally installed in the coal chute or not installed, and the coal blockage protection is not used. The coal conveying belt is mainly characterized in that a detection original is easily influenced by dust, so that a protection signal is frequently and mistakenly sent to cause the interlocking shutdown of the coal conveying belt, the workload of operators is increased, the electric energy consumption is increased, damage is brought to system equipment, and the normal coal feeding work is greatly influenced.

At present, most power plants adopt manual monitoring and observation, if the emergency shutdown is performed when the coal blockage is found in time, the coal is less, the treatment is relatively easy, if the coal is not found in time, a large amount of coal can be caused to cause serious damage to equipment, and if the automatic shutdown is not performed, great potential safety hazard can be brought, so a photoelectric induction type coal blockage protection monitoring device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention provides a photoelectric sensing type coal blockage protection and monitoring device to solve the problems of the prior art that the emergency stop of many power plants by manual monitoring and observation results in less coal and relatively easy processing if coal blockage is found in time, and a large amount of coal will cause serious damage to equipment if no timely detection results in serious damage to equipment, and a great potential safety hazard will be caused if automatic stop is not achieved.

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

a photoelectric induction type coal blockage protection monitoring device comprises a case and a base fixedly connected with the bottom of the case, wherein a hook is attached to the outer side wall of the case;

the outer lateral wall of couple is laminated with the couple groove mutually, the inside wall sliding connection in couple groove has the slide, the top fixedly connected with stay cord of slide, the tip fixedly connected with stopper of stay cord, the spacing spring of top fixedly connected with of stopper, the top fixedly connected with spacing groove of spacing spring, the lateral wall of machine case rotates and is connected with supporting component.

Preferably, the supporting assembly comprises a torque roller rotatably connected with the outer side wall of the case, a supporting plate is fixedly connected with the outer side wall of the torque roller, and a locking block is fixedly connected with the bottom of the supporting plate.

Preferably, the observation window has been seted up to the lateral wall of machine case, the tip fixedly connected with connecting box of couple, the inside wall sliding connection of connecting box has the slide bar, the tip fixedly connected with tray of slide bar, the inside wall bottom fixedly connected with photoelectric sensing switch of tray, the lateral wall fixedly connected with handle of tray.

Preferably, the bottom of the connecting box is attached to the top of the supporting plate, and the outer side wall of the connecting box is attached to the outer side wall of the case.

Preferably, the outer side wall of the tray is connected with the inner side wall of the connecting box through a bearing, and the outer side wall of the tray is attached to the outer side wall of the case.

Preferably, the outer side wall of the limiting block is slidably connected with the inner side wall of the limiting groove, the outer side wall of the pull rope is slidably connected with the inside of the side wall of the case, the hook groove is formed in the side wall of the case, and the limiting groove is formed in the side wall of the case.

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

1. the utility model is characterized in that the tray is arranged below the observation window and connected with the original stay wire protection, when the coal chute is blocked, coal can overflow from the observation window to the tray, when the coal chute reaches a certain degree, the photoelectric sensing switch can work to trigger the protection action to stop the belt running in time, so as to prevent a large amount of coal, protect the equipment safety, and the device is simple and reliable to install, can not cause misoperation, has strong practicability, low cost and convenient use and maintenance.

2. According to the utility model, through the matching use of the hook, the sliding plate, the pull rope, the limiting block, the limiting spring, the limiting groove, the locking block, the supporting plate and the torsion roller, when the whole connecting box is required to be placed below the observation window, the hook is placed in the hook groove, then the connecting box is pressed downwards to enable the sliding plate to move downwards, the pull rope pulls the limiting block to move upwards through the downward movement of the sliding plate, so that the locking block cannot be locked by the limiting block, the supporting plate rotates to a horizontal state under the action of the torsion roller and is attached to the bottom of the connecting box, the further support of the connecting box is realized, the operation is simple, convenient and fast, the support stability is good, and the use is convenient.

Drawings

Fig. 1 is a schematic structural diagram of a photoelectric induction type coal blockage protection monitoring device provided by the utility model;

fig. 2 is a schematic structural diagram of a photoelectric induction type coal blockage protection monitoring device provided by the utility model;

fig. 3 is a schematic structural diagram of a photoelectric sensing type coal blockage protection monitoring device provided by the utility model;

fig. 4 is a schematic structural diagram of a photoelectric sensing type coal blockage protection monitoring device provided by the utility model;

fig. 5 is a schematic structural diagram of a photoelectric sensing type coal blockage protection monitoring device provided by the utility model;

Fig. 6 is a schematic structural diagram of a photoelectric sensing type coal blockage protection monitoring device provided by the utility model.

In the figure: 1. a chassis; 2. a base; 3. an observation window; 4. hooking; 5. a hook groove; 6. a slide plate; 7. pulling a rope; 8. a limiting block; 9. a limiting spring; 10. a limiting groove; 11. a locking block; 12. a support plate; 13. a torque roll; 14. a connecting box; 15. a slide bar; 16. a tray; 17. a handle; 18. photoelectric sensing switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a photoelectric induction type coal blockage protection monitoring device comprises a case 1 and a base 2 fixedly connected with the bottom of the case 1, wherein a hook 4 is attached to the outer side wall of the case 1;

the outer side wall of the hook 4 is attached with a hook groove 5, the inner side wall of the hook groove 5 is connected with a sliding plate 6 in a sliding manner, the top of the sliding plate 6 is fixedly connected with a pull rope 7, the end part of the pull rope 7 is fixedly connected with a limiting block 8, the top of the limiting block 8 is fixedly connected with a limiting spring 9, the top of the limiting spring 9 is fixedly connected with a limiting groove 10, and the outer side wall of the case 1 is rotatably connected with a supporting assembly;

Through the setting of above-mentioned structure, realize the preliminary fixed to connecting box 14 to the work of for supporting component provides power.

The supporting assembly comprises a torque roller 13 which is rotatably connected with the outer side wall of the case 1, the outer side wall of the torque roller 13 is fixedly connected with a supporting plate 12, and the bottom of the supporting plate 12 is fixedly connected with a locking block 11;

through the setting of above-mentioned structure, play the further support to connecting-box 14, it is simple and efficient to operate, and support stability is good, facilitates the use.

The side wall of the case 1 is provided with an observation window 3, the end part of the hook 4 is fixedly connected with a connecting box 14, the inner side wall of the connecting box 14 is connected with a slide rod 15 in a sliding manner, the end part of the slide rod 15 is fixedly connected with a tray 16, the bottom of the inner side wall of the tray 16 is fixedly connected with a photoelectric sensing switch 18, and the outer side wall of the tray 16 is fixedly connected with a handle 17;

through the arrangement of the structure, the effective monitoring of the coal blockage is realized, the damage of the coal blockage to equipment is prevented, the resource is saved, and the service life of the equipment is prolonged.

Wherein, the bottom of the connecting box 14 is attached to the top of the supporting plate 12, and the outer side wall of the connecting box 14 is attached to the outer side wall of the case 1.

Wherein, the lateral wall of tray 16 is connected through the bearing with the inside wall of connecting box 14, and the lateral wall of tray 16 is laminated with the lateral wall of quick-witted case 1 mutually.

Wherein, the lateral wall of stopper 8 and the inside wall sliding connection of spacing groove 10, the inside sliding connection of lateral wall and the lateral wall of quick-witted case 1 of stay cord 7, couple groove 5 is seted up on the lateral wall of quick-witted case 1, and spacing groove 10 is seted up on the lateral wall of quick-witted case 1.

When the device is used, firstly, when the whole connecting box 14 is placed below the observation window 3, the hook 4 is placed in the hook groove 5, then the connecting box 14 is pressed downwards to enable the sliding plate 6 to move downwards, the pull rope 7 pulls the limiting block 8 to move upwards through the downward movement of the sliding plate 6, and further the locking block 11 cannot be locked by the limiting block 8, so that the supporting plate 12 rotates to be in a horizontal state under the action of the torque roller 13 and is attached to the bottom of the connecting box 14 to further support the connecting box 14, when a coal chute is blocked, coal can overflow from the observation window 3 to the tray 16, and when the coal falling amount reaches a certain degree, the photoelectric sensing switch 18 can work to trigger a protection action to stop the belt to run in time;

at this time, a person needs to clean the coal in the tray 16, the person holds the handle 17 by hand and lifts the coal upwards, and the sliding rod 15 is in sliding connection with the connecting box 14, so that the tray 16 rotates upwards, the tray 16 is aligned with the observation window 3, and the coal in the tray is poured into the observation window 3;

When needs take off whole connecting box 14, make couple 4 break away from couple groove 5 through upwards lifting draw connecting box 14, and then make stopper 8 move down under spacing spring 9's effect, then alright take out connecting box 14, take out the back, make locking block 11 get into spacing groove 10 in through pressing backup pad 12, because locking block 11's tip and stopper 8's bottom set up for the slope, entering through locking block 11 will make stopper 8 rebound, be in vertical position when backup pad 12, at this moment stopper 8 will be spacing to locking block 11 under spacing spring 9's effect, and is simple and convenient to handle swiftly, and good support stability, convenience of customers uses.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims (6)

1. A photoelectric induction type coal blockage protection monitoring device comprises a case (1) and a base (2) fixedly connected with the bottom of the case (1), and is characterized in that a hook (4) is attached to the outer side wall of the case (1);

The utility model discloses a couple (4) and a supporting component, including couple groove (5), the inside wall sliding connection in couple groove (5) has slide (6), the top fixedly connected with stay cord (7) of slide (6), the tip fixedly connected with stopper (8) of stay cord (7), the top fixedly connected with spacing spring (9) of stopper (8), the top fixedly connected with spacing groove (10) of spacing spring (9), the lateral wall of quick-witted case (1) rotates and is connected with supporting component.

2. The photoelectric induction type coal blockage protection monitoring device according to claim 1, wherein the supporting component comprises a torque roller (13) rotatably connected with the outer side wall of the case (1), a supporting plate (12) is fixedly connected with the outer side wall of the torque roller (13), and a locking block (11) is fixedly connected with the bottom of the supporting plate (12).

3. The photoelectric induction type coal blockage protection monitoring device according to claim 2, wherein an observation window (3) is formed in the side wall of the case (1), a connecting box (14) is fixedly connected to the end portion of the hook (4), a sliding rod (15) is slidably connected to the inner side wall of the connecting box (14), a tray (16) is fixedly connected to the end portion of the sliding rod (15), a photoelectric induction switch (18) is fixedly connected to the bottom of the inner side wall of the tray (16), and a handle (17) is fixedly connected to the outer side wall of the tray (16).

4. The photoelectric induction type coal blockage protection monitoring device according to claim 3, wherein the bottom of the connecting box (14) is attached to the top of the supporting plate (12), and the outer side wall of the connecting box (14) is attached to the outer side wall of the case (1).

5. The photoelectric induction type coal blockage protection monitoring device according to claim 3, wherein the outer side wall of the tray (16) is connected with the inner side wall of the connecting box (14) through a bearing, and the outer side wall of the tray (16) is attached to the outer side wall of the case (1).

6. The photoelectric induction type coal blockage protection monitoring device according to claim 1, wherein the outer side wall of the limiting block (8) is in sliding connection with the inner side wall of the limiting groove (10), the outer side wall of the pull rope (7) is in sliding connection with the inside of the side wall of the case (1), the hook groove (5) is formed in the side wall of the case (1), and the limiting groove (10) is formed in the side wall of the case (1).

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