CN210943220U

CN210943220U - Sealing gate plate position detection device for lime kiln top charging system

Info

Publication number: CN210943220U
Application number: CN201922114160.XU
Authority: CN
Inventors: 刘让建; 赵冬亮; 亓久震; 田英杰; 陈明英; 姜隆澄
Original assignee: Shandong Citic Zhilian Intelligent Technology Co ltd
Current assignee: Shandong Citic Zhilian Intelligent Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-07
Anticipated expiration: 2029-11-29

Abstract

A sealed flashboard position detection device of a lime kiln top charging system comprises: the semicircular disc is horizontally arranged on the outer surface of the power shaft between the power shaft sleeve and the supporting seat; the rectangular iron sheet is vertically arranged on the supporting seat on the other side of the semicircular disc; the upper limit switch is arranged on the frame body on the outer side of the semicircular disc; the lower limit switch is arranged on the frame body outside the semicircular disc, and the lower limit switch and the upper limit switch are in the same vertical plane; the outer limit switch is arranged on the frame body on the outer side of the semicircular disc; the inner limit switch is arranged on the frame body outside the rectangular iron sheet, and the position of the inner limit switch is opposite to that of the rectangular iron sheet. The vibration is reduced, the conditions of poor signal contact and improper internal or external induction are eliminated, the failure rate of the sealing flashboard is greatly reduced, and the normal operation of production is ensured.

Description

Sealing gate plate position detection device for lime kiln top charging system

The technical field is as follows:

the utility model relates to a sealed flashboard position detection device of a lime kiln top charging system.

Background art:

at present, a kiln top charging system in a lime kiln production process mainly comprises a kiln body, a hopper, a sealing gate plate, a gate plate driving mechanism and a position detection device, wherein when the sealing gate plate is opened, the hopper is used for charging materials, the sealing gate plate is closed after the charging is completed, the hopper stops discharging materials, the sealing gate plate is closed at ordinary times, the kiln body is sealed, and the internal pressure of the kiln body is kept. The actions are all finished by detecting signals through the position detection device and sending the signals to the controller, and the controller controls the flashboard driving mechanism to work and drives the sealing flashboard to move. The flashboard driving mechanism mainly comprises a supporting arm, a power shaft, a lifting hydraulic cylinder and a rotary hydraulic cylinder, and the action process of the sealing flashboard is divided into two processes: firstly, in the opening process, the lifting hydraulic cylinder rises to drive the power shaft, the supporting arm and the sealing flashboard to integrally rise to the position, then the rotary hydraulic cylinder moves outwards again to open the sealing flashboard outwards, and the top of the kiln body is opened; and in the closing process, the rotary hydraulic cylinder runs inwards, after the rotary hydraulic cylinder is in place, the lifting hydraulic cylinder descends, and the top of the kiln body is closed after the power shaft, the supporting arm and the sealing flashboard are in place under the action of self gravity. Position detection device realizes the detection function that targets in place at above-mentioned in-process, however, current position detection device all installs in power shaft top position, and field vibration is very big, simultaneously because position detection device structural design's defect, position detection device can take place to tremble, leads to signal contact failure, and the time has been of a specified duration and still can appear not hard up the condition, and the condition that internal or external induction does not target in place appears, causes the maintenance of stopping the kiln, influences the normal clear of production.

The utility model has the following contents:

the utility model discloses a remedy prior art not enough, provide a sealed flashboard position detection device of limekiln kiln top charging system, with its mounted position adjustment, structural design is reasonable, and the vibrations that receive reduce, eliminated the not in place condition of signal contact failure and interior or outer response, the great reduction of fault rate of sealed flashboard has guaranteed the normal operating of production, has solved the problem that exists among the prior art.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

the utility model provides a sealed flashboard position detection device of lime kiln top charging system, is including installing the hopper on the support body and establishing the kiln body in the hopper below, and kiln body top is equipped with sealed flashboard, and sealed flashboard links to each other with the support arm, and the support arm other end links to each other with the rotary hydraulic cylinder who installs on the support body, and the joint support seat on the support arm, supporting seat below are equipped with the hydraulic cylinder who installs on the kiln body, are equipped with the power shaft on the supporting seat, and the power shaft outside is equipped with the:

the semicircular disc is horizontally arranged on the outer surface of the power shaft between the power shaft sleeve and the supporting seat;

the rectangular iron sheet is vertically arranged on the supporting seat on the other side of the semicircular disc;

the upper limit switch is arranged on the frame body on the outer side of the semicircular disc;

the lower limit switch is arranged on the frame body outside the semicircular disc, and the lower limit switch and the upper limit switch are in the same vertical plane;

the outer limit switch is arranged on the frame body on the outer side of the semicircular disc, the outer limit switch and the upper limit switch are in the same horizontal plane, and the inner included angle between the outer limit switch and the upper limit switch is 90 degrees;

the inner limit switch is arranged on the frame body outside the rectangular iron sheet, and the position of the inner limit switch is opposite to that of the rectangular iron sheet.

The semicircular disc is a solid semicircular disc.

And the semicircular disc is welded and fixed on the outer surface of the power shaft.

The thickness of the rectangular iron sheet is 4-6 mm.

The above technical scheme is adopted in the utility model, following advantage has:

the installation position is adjusted, and structural design is reasonable, and the vibrations that receive reduce, eliminated the signal contact failure and the interior or the not in place condition of external response, the great reduction of fault rate of sealed flashboard has guaranteed the normal operating of production. By adopting the original position detection device, the average failure in one month is 5 times, and the limit failure does not occur in one month after the improvement, thereby thoroughly solving the problem of limit loss of the sealing flashboard. The problem appears in the spacing appearance of sealed flashboard, and the time of handling is about 1 hour, and the daily loss of producing: 600 tons daily/24 hours to 25 tons, monthly loss: 25 tons 5-125 tons, monthly loss: the 50 yuan/ton benefit 125 ═ 6250 yuan.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the position detecting device in the closed state of the seal shutter.

Fig. 3 is a schematic top view of the position detecting device in the open state of the seal shutter.

In the figure, the device comprises a frame body 1, a frame body 2, a hopper 3, a kiln body 4, a sealing flashboard 5, a supporting arm 6, a supporting seat 7, a power shaft 8, a power shaft sleeve 9, a semicircular disc 10, a rectangular iron sheet 11, an upper limit switch 12, a lower limit switch 13, an outer limit switch 14, an inner limit switch 15, a rotary hydraulic cylinder 16 and a lifting hydraulic cylinder.

The specific implementation mode is as follows:

in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in fig. 1, a sealed flashboard position detection device of lime kiln top charging system, including installing hopper 2 on support body 1 and establishing the kiln body 3 in hopper 2 below, kiln body 3 top is equipped with sealed flashboard 4, sealed flashboard 4 links to each other with support arm 5, the support arm 5 other end links to each other with the rotary hydraulic cylinder 15 of installing on support body 1, 5 supporting arm go up

joint support seat

6, 6 below supporting seat are equipped with the hydraulic cylinder 16 of installing on kiln body 3, be equipped with power shaft 7 on the supporting seat 6, the power shaft 7 outside is equipped with the power axle sleeve 8 of installing on support body 1, still include:

the semicircular disc 9, the semicircular disc 9 is horizontally installed on the outer surface of the power shaft 7 between the power shaft sleeve 8 and the supporting seat 6;

the rectangular iron sheet 10 is vertically arranged on the supporting seat on the other side of the semicircular disc;

the upper limit switch 11 is installed on the frame body on the outer side of the semicircular disc;

the lower limit switch 12 is installed on the frame body on the outer side of the semicircular disc, and the lower limit switch and the upper limit switch are in the same vertical plane;

the outer limit switch 13 is mounted on the frame body on the outer side of the semicircular disc, the outer limit switch and the upper limit switch are in the same horizontal plane, and an inner included angle between the outer limit switch and the upper limit switch is 90 degrees;

interior limit switch 14, interior limit switch 14 installs on the support body in the rectangle iron sheet outside, and interior limit switch is relative with rectangle iron sheet position.

The mounting positions of the semicircular disc 9 and the rectangular iron sheet 10 are changed from the top of the power shaft 7 to be between the power shaft sleeve 8 and the supporting seat 6, and the vibration is greatly reduced.

The semicircular disc is a solid semicircular disc, and meanwhile, the thickness is increased, so that the influence of vibration is greatly reduced.

The semicircular disc is welded and fixed on the outer surface of the power shaft, so that the fixation is firmer.

The thickness of the rectangular iron sheet is 4-6mm, the strength is increased, and the vibration is greatly reduced.

The function of semicircle dish has changed, realizes the response of limit switch 11, limit switch 12, outer limit switch 13, and interior limit switch 14 responds to rectangle iron sheet 10, and is reliable and stable, and the response degree of accuracy is high.

As shown in fig. 2, when the inner limit switch 14 senses the rectangular iron sheet 10 and the lower limit switch 12 senses the semicircular disc 9, the sealing shutter 4 is in a closed state; when the lifting hydraulic cylinder 16 lifts the power shaft 7 upwards, when the inner limit switch 14 senses the rectangular iron sheet 10 and the upper limit switch 11 senses the semicircular disc 9, at the moment, the controller controls the rotary hydraulic cylinder 15 to act, the rotary hydraulic cylinder 15 drives the supporting arm 5 and the sealing gate plate 4 to rotate outwards, as shown in fig. 3, when the outer limit switch 13 and the upper limit switch 11 sense the semicircular disc 9 simultaneously, the top of the kiln body 3 is completely opened at the moment, and the controller controls the hopper 2 to unload materials. After 2 dumps of hopper accomplish, 15 reverse action of rotary hydraulic cylinder are controlled again to the controller, rotary hydraulic cylinder 15 drives support arm 5 and sealed flashboard 4 internal rotation, sense rectangle iron sheet 10 when interior limit switch 14, when last limit switch 11 senses half-

disc

9, 16 contractions of controller control hydraulic lift cylinder, kiln body 3 tops are closed in the whole descending of power shaft 7 and sealed flashboard 4 under self action of gravity, sense rectangle iron sheet 10 when interior limit switch 14, when lower limit switch 12 senses half-disc 9, hydraulic lift cylinder 16 stops the shrink and wholly supports power shaft 7, sealed flashboard 4 is in the closed condition this moment.

The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. The utility model provides a sealed flashboard position detection device of lime kiln top charging system, is including installing the hopper on the support body and establishing the kiln body in the hopper below, and kiln body top is equipped with sealed flashboard, and sealed flashboard links to each other with the support arm, and the support arm other end links to each other with the rotary hydraulic cylinder who installs on the support body, and the joint support seat on the support arm, supporting seat below are equipped with the hydraulic cylinder who installs on the kiln body, are equipped with the power shaft on the supporting seat, and the power shaft outside is equipped with the power shaft: further comprising:

2. The device for detecting the position of the sealing gate plate of the lime kiln top charging system according to claim 1, wherein: the semicircular disc is a solid semicircular disc.

3. The device for detecting the position of the sealing gate plate of the lime kiln top charging system according to claim 1, wherein: and the semicircular disc is welded and fixed on the outer surface of the power shaft.

4. The device for detecting the position of the sealing gate plate of the lime kiln top charging system according to claim 1, wherein: the thickness of the rectangular iron sheet is 4-6 mm.