CN214701712U - Device for preventing grate deviation of chain-grate sintering machine - Google Patents
Device for preventing grate deviation of chain-grate sintering machine Download PDFInfo
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- CN214701712U CN214701712U CN202023341876.2U CN202023341876U CN214701712U CN 214701712 U CN214701712 U CN 214701712U CN 202023341876 U CN202023341876 U CN 202023341876U CN 214701712 U CN214701712 U CN 214701712U
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- guide rail
- connecting plate
- displacement mechanism
- positioning wheel
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Abstract
The utility model provides a prevent chain bar formula sintering machine grate off tracking device, including connecting plate, guide rail, displacement mechanism, pivot and direction locating wheel, the guide rail includes two parallel arrangement's bar track and installs perpendicularly at the top of connecting plate, displacement mechanism cooperate the guide rail setting, the direction locating wheel is installed on displacement mechanism by the pivot level, makes displacement mechanism drive the direction locating wheel and removes along the guide rail direction; the utility model adjusts the position of the fire grate by the rotation of the guiding and positioning wheel, and because the guiding and positioning wheel can rotate and the rotating direction is consistent with the running direction of the fire grate, the resistance and the torsion can be reduced when the guiding and positioning wheel is contacted with the fire grate shaft pin, the pin shaft is protected and the service life is prolonged; the utility model relates to a simple structure, convenient to use because of it installs in the box outside, consequently also be convenient for in time adjust the position or change the part, do benefit to the maintenance and overhaul.
Description
Technical Field
The utility model relates to a fritting furnace equipment technical field especially relates to a prevent chain bar formula sintering machine grate off tracking device.
Background
The chain-grate sintering machine is one of the main equipments in sintering process, and mainly consists of grate, head star wheel device, tail star wheel device, machine frame, igniter, speed reducer, wind chamber, large flue and ash-discharging device. The grate is used as an important component of the sintering machine and is responsible for carrying a material layer and conveying the material layer, the material carrying layer of the grate moves, air is fed from an air chamber at the lower part of the grate and penetrates through the material layer, and the material layer is gradually ignited from bottom to top in the moving process to complete the whole sintering process. The fire grate of the existing chain-grate sintering machine mainly comprises a frame and fire grate pieces, wherein shafts are respectively arranged at the front end and the rear end of the whole frame, star wheels are arranged on the shafts and used for driving the fire grate to move, and the transmission mode can be a pulling type or a pushing type. The single fire grate pieces are inserted, connected and assembled by shaft pins to form a chain grate structure. The grate segments are typically made of cast iron, and the necessary ventilation gaps are maintained between the segments after assembly so that air from the ventilation chamber passes through the gaps and into the fuel bed for combustion.
At present, the main problem of the grate of the chain grate type sintering machine is that the chain grate is easy to deviate in the production and operation process, so that the normal operation of the grate is influenced, and the deviation of the grate is caused due to the fact that the adjusting bolts on two sides of the grate are improperly adjusted and the front shaft and the rear shaft of the grate are unbalanced, so that the shaft pin of the grate segment connected on one side is too long and is rubbed with the inner wall of a box body, the grate can be clamped or even broken when serious, the whole machine is forced to stop, and great economic loss is caused to users.
Aiming at the conditions, the device for preventing the grate deviation of the chain-grate sintering machine plays a crucial role, can obviously influence the actual production efficiency of enterprises, and reduces the economic loss of the enterprises. The existing deviation-preventing devices are few, mainly because the chain rows of the fire grate are not provided with deviation-preventing measures. When a common fire grate is installed, a hole for stringing fire grate shaft pins is reserved on two sides of a sintering machine box body in order to facilitate installation, so that a common solving measure is to adopt an immovable guide positioning block to be directly fixed on the inner side of a fire grate side plate through a bolt or manually correct the fire grate through a crowbar. There are two disadvantages with these two approaches: 1) after long-time operation, the abrasion condition of the fixed positioning block and the fire grate shaft pin is aggravated, and the positioning block is arranged in the sintering machine, so that the whole machine is stopped due to frequent replacement, and the production is influenced; 2) the correction by manual operation is not only time and human resources consuming but also aggravates the manual labor of the worker.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a grate deviation prevention device for a chain-grate sintering machine, which solves the problems that the abrasion of a shaft pin is aggravated through a positioning block, the complete machine is stopped due to frequent replacement, and the production is influenced in the prior art; and the manual operation correction not only consumes time and human resources, but also aggravates the physical labor of workers.
According to the embodiment of the utility model, a prevent chain bar formula sintering machine grate off tracking device, including connecting plate, guide rail, displacement mechanism, pivot and direction locating wheel, the connecting plate is the platelike structure of vertical setting, the guide rail includes two parallel arrangement's bar track, and the total width of guide rail is less than the width of connecting plate, and one of them one end of two bar tracks of guide rail is installed perpendicularly at the top of connecting plate; the displacement mechanism is matched with the guide rail, and the guide positioning wheel is horizontally arranged on the displacement mechanism through the rotating shaft, so that the displacement mechanism drives the guide positioning wheel to move along the direction of the guide rail.
Further, displacement mechanism includes pneumatic telescoping rod and slide, pneumatic telescoping rod is parallel with the guide rail, and pneumatic telescoping rod includes canned paragraph and movable section, and wherein the canned paragraph is installed and is kept away from the one end of connecting plate and the card is established among two bar tracks at the guide rail, and the movable section is located between two bar tracks towards connecting plate one side, and the end of movable section links to each other with the slide.
Further, the slide is located two bar tracks in the middle of, and the slide both sides correspond the orbital position of bar and are provided with outstanding dop, then correspond the dop position on the bar track medial surface and be provided with the draw-in groove.
Furthermore, the slide top is provided with the mount pad, the mount pad does not contact with the guide rail, and the top of mount pad is higher than the upper surface of guide rail, the locating wheel, mount pad and slide are vertically run through to the pivot, will lead the rotatable fixing at the mount pad top of locating wheel.
Furthermore, the top of the rotating shaft is provided with a gasket, the bottom of the rotating shaft is provided with a nut for fixing, and a bearing is arranged between the rotating shaft and the guide positioning wheel.
Further, the inside pressure sensitive sensor that still is provided with of pivot, pressure sensitive sensor sets up the contact surface inboard between pivot and direction locating wheel, and pressure sensitive sensor only sets up the part near connecting plate one side, pressure sensitive sensor with atmospheric pressure telescopic link electric connection.
The technical principle of the utility model is that: the guide rail, the displacement mechanism, the rotating shaft and the guiding and positioning wheel are arranged on the side surface of the sintering furnace through the connecting plate, and a group of guiding and positioning wheels are oppositely arranged on two sides respectively, so that the position of the guiding and positioning wheel is adjusted through the displacement mechanism to be just matched with the width of the fire grate, the fire grate is guided to the center when passing through, and the fire grate is prevented from deviating after long-term operation.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model adjusts the position of the fire grate by the rotation of the guiding and positioning wheel, and because the guiding and positioning wheel can rotate and the rotating direction is consistent with the running direction of the fire grate, the resistance and the torsion can be reduced when the guiding and positioning wheel is contacted with the fire grate shaft pin, the pin shaft is protected and the service life is prolonged;
2. the utility model has simple structure and convenient use, and is convenient for adjusting the position or replacing parts in time because the utility model is arranged outside the box body, thereby being beneficial to maintenance and overhaul;
3. the utility model provides a connecting plate can be fixed on the arbitrary vertical face of fritting furnace side, can also adjust the position of direction locating wheel through displacement mechanism, makes its width that just in time cooperatees the grate to be fit for the fritting furnace of various not isostructures, have wide application scope.
Drawings
Fig. 1 is a schematic side cross-sectional view of an embodiment of the present invention.
Fig. 2 is a schematic top view of a part of the structure of the present invention.
Fig. 3 is a schematic view of the connection between the guide rail and the slide plate according to the present invention.
In the above drawings: 1. a connecting plate; 2. a guide rail; 3. a slide plate; 4. a guide positioning wheel; 5. a rotating shaft; 6. an air pressure telescopic rod; 21. a strip track; 31. a bearing; 32. a gasket; 33. a pressure sensitive sensor; 34. and (7) mounting a seat.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the embodiment of the utility model provides a prevent grate off tracking device of chain bar formula sintering machine, including connecting plate 1, guide rail 2, displacement mechanism, pivot 5 and direction locating wheel 4. Specifically, the connecting plate 1 is a vertically arranged plate-shaped structure, and in practical use, a plurality of mounting holes are arranged on the connecting plate 1 in a penetrating manner, so that the connecting plate is matched with screws and nuts to be mounted on the side surface of the sintering furnace.
In this embodiment, the guide rail 2 includes two parallel arrangement's strip track 21, and the total width of guide rail 2 is less than the width of connecting plate 1, and wherein one end of two strip track 21 of guide rail 2 is installed perpendicularly at the top of connecting plate 1 for guide rail 2 and connecting plate 1 form mutually perpendicular's bending type structure. The displacement mechanism is matched with the guide rail 2, and the guide positioning wheel 4 is horizontally arranged on the displacement mechanism through the rotating shaft 5, so that the displacement mechanism drives the guide positioning wheel 4 to move along the direction of the guide rail 2. Therefore, the position of the guide positioning wheel 4 is adjusted through the displacement mechanism to be just matched with the width of the fire grate, so that the position of the fire grate is guided to the center when the fire grate passes through, and the fire grate is prevented from deviating after long-term operation.
As shown in fig. 2, in a preferred embodiment of the present embodiment, the displacement mechanism includes an air compression rod 6 and a sliding plate 3, the air compression rod 6 is parallel to the guide rail 2, the air compression rod 6 includes a fixed section and a movable section, the fixed section is installed at one end of the guide rail 2 far away from the connecting plate 1 and is clamped in the two strip rails 21, the movable section is located between the two strip rails 21 and faces one side of the connecting plate 1, and an end of the movable section is connected to the sliding plate 3. As shown in fig. 3, in a further scheme, the sliding plate 3 is located between two strip rails 21, protruding clamping heads are arranged at positions of two sides of the sliding plate 3 corresponding to the strip rails 21, and clamping grooves are arranged on inner side surfaces of the strip rails 21 corresponding to the clamping heads. The slide plate 3 is thus movably arranged in the guide rail 2 by means of the engagement of the clamping head with the clamping groove.
In this embodiment, the mounting seat 34 is arranged above the sliding plate 3, the mounting seat 34 is not in contact with the guide rail 2, the top of the mounting seat 34 is higher than the upper surface of the guide rail 2, the rotating shaft 5 vertically penetrates through the positioning wheel, the mounting seat 34 and the sliding plate 3, and the guiding and positioning wheel 4 is rotatably fixed at the top of the mounting seat 34, so that the guiding and positioning wheel 4 is in a horizontal state, and the side surface of the guiding and positioning wheel is in contact with the fire grate to realize the position adjusting function. The sliding plate 3 can be controlled to move on the guide rail 2 through the air pressure telescopic rod 6, so that the distance between the guide positioning wheel 4 and the fire grate is adjusted, the fire grate can be adapted to fire grates with different widths on sintering furnaces of different types, and the application range is expanded.
Preferably, a gasket 32 is arranged at the top of the rotating shaft 5, a nut is arranged at the bottom of the rotating shaft for fixing, and a bearing 31 is arranged between the rotating shaft 5 and the guide positioning wheel 4. The rotating shaft 5 and the guide positioning wheel 4 can be fixed more tightly through the gasket 32 and the nut, and the guide positioning wheel 4 is prevented from being inclined or deflected due to the horizontal torsion after long-time work.
In a preferable scheme of this embodiment, a pressure-sensitive sensor is further disposed inside the rotating shaft 5, the pressure-sensitive sensor is disposed inside a contact surface between the rotating shaft 5 and the guide positioning wheel 4, the pressure-sensitive sensor is only disposed at a portion close to one side of the connecting plate 1, and the pressure-sensitive sensor 33 is electrically connected to the air telescopic rod 6. And when the pressure-sensitive sensor 33 is set not to be stressed, the air pressure telescopic rod 6 pushes the sliding plate 3 to move close to the connecting plate 1, and the sliding plate stops moving after the pressure-sensitive sensor 33 detects the stress.
In the installation of the embodiment, two identical devices are symmetrically arranged on two sides of the sintering furnace corresponding to the plane where the fire grate is located. When the device works, the guide positioning wheel 4 is firstly adjusted to a position where the guide positioning wheel is not contacted with the fire grate, so that the guide positioning wheel 4 is not stressed, and the air pressure telescopic rod 6 continuously pushes the sliding plate 3 to move close to the connecting plate 1. When the guide positioning wheel 4 is in contact with the fire grate, the guide positioning wheel 4 is blocked by the fire grate to generate outward thrust, the corresponding guide positioning wheel 4 transmits stress to the rotating shaft 5, outward torsion is applied to one side, close to the connecting plate 1, of the rotating shaft, so that the pressure-sensitive sensors 33 detect the stress, at the moment, if the fire grate is not deviated, the pressure-sensitive sensors 33 on the two sides can simultaneously detect the stress, transmit a signal to the air pressure telescopic rod 6 and stop the air pressure telescopic rod, at the moment, the guide positioning wheel 4 is just in contact with the fire grate, the setting position of the guide positioning wheel 4 is determined more accurately, and automatic adjustment can be realized; if the fire grate has deviated, only one of the pressure-sensitive sensors 33 detects the stress, the air pressure telescopic rod 6 continues to push the sliding plate 3, the distance between the two guide positioning wheels 4 is adjusted until the two pressure-sensitive sensors 33 simultaneously detect the pressure and stop, and finally the distance between the guide positioning wheels 4 is accurately positioned at the position where the fire grate is not deviated, so that the subsequent effect of preventing the grate from deviating is ensured.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a prevent chain bar formula sintering machine grate off tracking device which characterized in that: the guide rail device comprises a connecting plate, a guide rail, a displacement mechanism, a rotating shaft and a guide positioning wheel, wherein the connecting plate is of a vertically arranged plate-shaped structure, the guide rail comprises two strip-shaped rails which are arranged in parallel, the total width of the guide rail is smaller than the width of the connecting plate, and one end of each of the two strip-shaped rails of the guide rail is vertically arranged at the top of the connecting plate; the displacement mechanism is matched with the guide rail, and the guide positioning wheel is horizontally arranged on the displacement mechanism through the rotating shaft, so that the displacement mechanism drives the guide positioning wheel to move along the direction of the guide rail.
2. The device for preventing the grate of the chain-grate sintering machine from deviating as claimed in claim 1, wherein: the displacement mechanism comprises an air pressure telescopic rod and a sliding plate, the air pressure telescopic rod is parallel to the guide rail, the air pressure telescopic rod comprises a fixed section and a movable section, the fixed section is installed at one end, far away from the connecting plate, of the guide rail and clamped between the two strip-shaped rails, the movable section is located between the two strip-shaped rails and faces one side of the connecting plate, and the end of the movable section is connected with the sliding plate.
3. The device for preventing the grate of the chain-grate sintering machine from deviating as claimed in claim 2, wherein: the slide is located two bar tracks in the middle of, and the slide both sides correspond the orbital position of bar and are provided with outstanding dop, then correspond the dop position on the bar track medial surface and be provided with the draw-in groove.
4. The device for preventing the grate of the chain-grate sintering machine from deviating as claimed in claim 3, wherein: the mounting seat is arranged above the sliding plate, the mounting seat is not in contact with the guide rail, the top of the mounting seat is higher than the upper surface of the guide rail, the rotating shaft vertically penetrates through the positioning wheel, the mounting seat and the sliding plate, and the guide positioning wheel is rotatably fixed to the top of the mounting seat.
5. The device for preventing the grate of the chain-grate sintering machine from deviating as claimed in claim 4, wherein: the top of the rotating shaft is provided with a gasket, the bottom of the rotating shaft is provided with a nut for fixing, and a bearing is arranged between the rotating shaft and the guide positioning wheel.
6. The device for preventing the grate of the chain-grate sintering machine from deviating as claimed in claim 5, wherein: the inside pressure sensitive sensor that still is provided with of pivot, pressure sensitive sensor sets up the contact surface inboard between pivot and direction locating wheel, and pressure sensitive sensor only sets up the part that is close to connecting plate one side, pressure sensitive sensor with air telescopic link electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341876.2U CN214701712U (en) | 2020-12-30 | 2020-12-30 | Device for preventing grate deviation of chain-grate sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341876.2U CN214701712U (en) | 2020-12-30 | 2020-12-30 | Device for preventing grate deviation of chain-grate sintering machine |
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| Publication Number | Publication Date |
|---|---|
| CN214701712U true CN214701712U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023341876.2U Active CN214701712U (en) | 2020-12-30 | 2020-12-30 | Device for preventing grate deviation of chain-grate sintering machine |
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| CN (1) | CN214701712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777101A (en) * | 2022-03-21 | 2022-07-22 | 陕西飞机工业有限责任公司 | Fire grate anti-deviation alarm device of coal-fired steam boiler |
-
2020
- 2020-12-30 CN CN202023341876.2U patent/CN214701712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777101A (en) * | 2022-03-21 | 2022-07-22 | 陕西飞机工业有限责任公司 | Fire grate anti-deviation alarm device of coal-fired steam boiler |
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Address after: 435200 circular economy industrial park, Fuchi Town, Yangxin County, Huangshi City, Hubei Province Patentee after: Hubei high energy Pengfu Environmental Protection Technology Co.,Ltd. Address before: 435200 circular economy industrial park, Fuchi Town, Yangxin County, Huangshi City, Hubei Province Patentee before: YANGXIN PENGFU MINES CO.,LTD. |