CN212143849U - Primary and secondary type movable dust hood vehicle with low failure rate - Google Patents
Primary and secondary type movable dust hood vehicle with low failure rate Download PDFInfo
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- CN212143849U CN212143849U CN202020474451.XU CN202020474451U CN212143849U CN 212143849 U CN212143849 U CN 212143849U CN 202020474451 U CN202020474451 U CN 202020474451U CN 212143849 U CN212143849 U CN 212143849U
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Abstract
The utility model discloses a dust excluding hood car is removed to low fault rate primary and secondary formula belongs to the dust collecting equipment field. The device comprises a pit, a first ladle arranged in the pit, and a second ladle arranged on the ground beside the pit; guide rails laid on the ground on two sides of the pit; the primary dust hood is movably connected to the guide rail through a bottom roller; the first driving unit drives the primary dust hood to reciprocate on the guide rail; the dust removal pipe is communicated with the primary dust removal cover; the dust removing device also comprises a sub dust removing cover movably connected to the upper part of the main dust removing cover side; a second driving unit for driving the sub dust removing cover to reciprocate along the direction of the second ladle; and the cleaning unit is fixedly connected to the bottom of the female dust hood and cleans the surface of the guide rail along with the movement of the female dust hood. The utility model discloses a set up and clean the unit, in time clean guide rail surface along with the motion of female dust excluding hood, prevent debris such as molten iron and be difficult to clear away at the guide rail surface adhesion accumulation, ensured the normal motion of female dust excluding hood, reduced the fault rate of dust excluding hood car.
Description
Technical Field
The utility model belongs to dust collecting equipment, more specifically say, relate to a dust excluding hood car is removed to low fault rate primary and secondary formula.
Background
Because blast furnace for the molten iron jar with mismatch with the molten iron jar for the steelmaking, need dispose the molten iron reladling system, conventional molten iron reladling system has the pit formula, car-type and ground formula, but because the molten iron temperature is high, no matter which kind of form, when carrying out the molten iron reladling, all can produce a large amount of dense smoke and molten iron and splash, must set up dust collector and remove dust, dust collector will collect the flue gas as far as fully, and can not hinder the work of top crane, the ladle, satisfy the limited requirement of factory building utilization usage space position.
The existing dust removal device is arranged at the top and the side of a reladling system, dust is removed in a relatively open environment, smoke particles escape in the reladling process, the dust removal effect is not good, and the operation of dust removal equipment is easy to break down in the environment of splashing of high-temperature molten iron.
Through retrieval, the Chinese patent publication number: CN 210080717U; the publication date is as follows: 18 at 2020, month 02; the utility model discloses a remove pouring dust excluding hood, including controlling two standing legs, all install two walking wheels and a speed reducer in the bottom of each standing leg to the speed reducer passes through the speed reducer sprocket and is connected with one of them walking wheel transmission, installs the dust excluding hood at the top of two standing legs, and the top of this dust excluding hood is passed through the gate valve and is connected the dust removal pipeline. Although the device of this application has improved dust collector's mobility, makes it can be nimble in many positions and use, this dust excluding hood comparatively opens sealing performance not enough, and dust removal effect is still not good enough, and chain drive easily takes off the chain, brings the influence for normal use, and the fault rate is high.
Through retrieval, the Chinese patent publication number: CN 208758301U; the publication date is as follows: 04/19/2019; the movable dust hood comprises a dust hood body, a steel structure and a traveling device, wherein the traveling device comprises wheels fixed at the lower end of the steel structure, and a speed reducer and a traveling track are connected to the wheels through a coupling; the air outlet department of dust excluding hood body be provided with the connecting pipe, the other end of connecting pipe passes through interfacing apparatus and links to each other with workshop trunk line. Compared with the device in the previous application, the device in the application has improved stability during operation, but the dust removal cover of the device has a square shape, and if the pit is completely covered in a working position, the hoisting of the hot metal ladle by an upper crane is affected, so that the requirements of mechanization and rapidness cannot be met; if the avoidance crown block does not completely cover the pit in the working position, a large amount of smoke and dust emerge from the pit, the sight of a crane worker above is disturbed, potential safety hazards are brought to lifting operation, and meanwhile, the airtightness is poor and the dust removal effect is not ideal due to the fact that the avoidance crown block leaves a dust removal point.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
To the unsatisfactory problem of easy trouble and dust removal effect of taking place of current dust collecting equipment in the molten iron reladling environment, the utility model provides a low fault rate primary and secondary formula removes dust excluding hood car cleans the unit through setting up, cleans the surface of guide rail in time along with the motion of female dust excluding hood, prevents that debris such as molten iron from adhering to the accumulation at the guide rail surface and being difficult to clear away, has ensured the normal motion of female dust excluding hood, has reduced the fault rate of dust excluding hood car.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A master-slave type mobile dust hood vehicle with low failure rate, which comprises,
the device comprises a pit, a first ladle arranged in the pit, and a second ladle arranged on the ground beside the pit;
the guide rails are laid on the ground on two sides of the pit;
the main dust hood is a three-surface shielding type hood body and is movably connected to the guide rail through a bottom roller I;
the first driving unit drives the primary dust hood to reciprocate on the guide rail;
the dust removal pipe is communicated with the primary dust removal cover;
further comprising:
the secondary dust hood is a frame-shaped hood body and is movably connected to the upper part of the main dust hood;
the second driving unit drives the sub dust removing cover to reciprocate along the direction of the second ladle;
and the cleaning unit is fixedly connected to the bottom of the female dust hood and cleans the surface of the guide rail along with the movement of the female dust hood.
The guide rails are laid on the ground on two sides of the pit, the female dust hood is a three-surface shielding type hood body commonly used for dust removal, the top surface and two side surfaces of the female dust hood are shielded, the surface facing the second ladle is opened for the second ladle to normally tip over, the surface far away from the second ladle is provided with a hole for connecting a dust removal pipe, and the dust removal pipe is communicated with dust removal equipment so as to timely suck out dust and remove dust; the first driving unit is used for providing power for the female dust hood and is a unit capable of moving on the guide rail, the first driving unit is arranged at the bottom of the female dust hood, the female dust hood is arranged on the guide rail in a matched mode through the first driving unit, and the female dust hood moves close to or away from the second ladle along the laying direction of the guide rail; the shape of the secondary dust hood is the same as the shape of the upper half part of the primary dust hood, the secondary dust hood is in an Jiong-shaped frame and is movably connected to the upper part of the primary dust hood side, more specifically, the secondary dust hood is movably connected to the upper part of the primary dust hood side close to the second ladle, and the secondary dust hood can make an approaching/separating action along the second ladle direction under the driving of the second driving unit; clean unit fixed connection in the bottom of female dust excluding hood, because female dust excluding hood arranges the guide rail in through gyro wheel one, and the guide rail is very near apart from first ladle, at the reladling in-process, the molten iron that splashes adheres to on the guide rail very easily, if treat that the molten iron solidifies and piles up, can influence the normal motion of female dust excluding hood, consequently, through setting up the cleaning unit, at every turn when the motion of female dust excluding hood, just can drive the cleaning unit and clean the action, in time sweep the debris on guide rail surface when the molten iron is not yet solidified, ensure that no debris is piled up on the guide rail, the normal motion of female dust excluding hood has been guaranteed, therefore, the fault rate of dust excluding hood car is reduced.
Furthermore, the cleaning unit is a scraper which is fixedly connected with two ends of the bottom of the mother dust hood right above the guide rail.
Adopt the scraper blade to clean the guide rail surface, scraper blade one end fixed connection is on female dust excluding hood bottom surface, other end terminal surface and guide rail upper surface contact, and all be equipped with two scraper blades on the female dust excluding hood bottom surface directly over every guide rail, be located the both ends of female dust excluding hood respectively, press from both sides gyro wheel one between two scraper blades, when female dust excluding hood motion, can guarantee in the direction of motion, the scraper blade is earlier with guide rail upper surface contact, clean the guide rail upper surface earlier from this, the normal cooperation of gyro wheel one with the guide rail has been ensured, prevent that trouble from taking place.
Further, still include first closing plate, it is equipped with two, vertical downward fixed connection in female dust excluding hood bottom both sides, just first closing plate arranges between two guide rails.
The first sealing plate seals gaps between the bottoms of the two side surfaces of the primary dust hood and the ground, so that smoke dust and molten iron can be further prevented from escaping from the gaps when the tank is inverted; simultaneously, first closing plate arranges between two guide rails, accomplishes sealed while, shelters from the part that the inboard molten iron that originally bears of guide rail splashes, and when going on the reladling, the dust excluding hood car moves directly over to the pit, and at this moment, the both sides guide rail directly over the pit all is sheltered from by first closing plate, and the probability that the molten iron that greatly reduced splashes falls on the guide rail has further ensured the normal removal of dust excluding hood car.
Further, the first roller comprises a driven wheel and a driving wheel, the driving wheel is located at the bottom, away from one end of the second ladle, of the mother dust hood, and the first driving piece of the first driving unit is in transmission connection with the driving wheel.
The gyro wheel divide into the action wheel and follows the driving wheel, wherein set up in the one end direction that female dust excluding hood is close to the second ladle from the driving wheel, and the action wheel sets up in the one end direction that the second ladle was kept away from to female dust excluding hood, and first driving piece is then transmission connection on the action wheel, and first driving piece can be if gear motor isotructure, through the structure of this scheme, can reduce the influence that first driving piece received high temperature load, prolongs its effective life.
Further, the second drive unit sets up in female dust excluding hood and son dust excluding hood both sides, includes:
a second driving member providing a driving force;
the gear is connected with the sub dust removing cover and is in transmission connection with the second driving piece;
and the racks are horizontally fixed on two sides of the female dust hood and are meshed with the gears.
The second driving piece can be for gear motor etc. can provide the component of power, the removal of sub-dust excluding hood is realized to this scheme adoption rack gear's mode, specifically do, the rack level is fixed in female dust excluding hood both sides, gear and sub-dust excluding hood both sides bottom fixed connection and gear and rack toothing, gear motor is connected with gear drive formula, starts when gear motor, drives gear revolve, under meshing mechanism's effect, the gear walks on the rack, drive sub-dust excluding hood and remove on female dust excluding hood from this.
Further, the second driving unit further includes:
the support guide rails are horizontally fixed on two sides of the mother dust hood and are C-shaped rails;
and the second roller is connected with the sub dust hood, and the second roller is arranged in the supporting guide rail in a matching manner.
The support guided way level that is the C type is fixed in female dust excluding hood both sides, and two fixed connection of gyro wheel are in son dust excluding hood both sides, and two cooperations of gyro wheel are arranged in supporting the guided way, under the restriction of this structure, make son dust excluding hood have stable motion trail, and the weight that gyro wheel two and support guided way cooperation support son dust excluding hood prevents to receive too big load accelerated wear between rack and pinion among the rack gear mechanism and influences its accurate transmission.
Furthermore, the two ends of the supporting guide rail are fixedly connected with end plates, and the two ends of the supporting guide rail are sealed.
Through the setting of end plate, can prescribe a limit to the extreme position that the sub dust excluding hood removed, prevent that the sub dust excluding hood from rushing out the support guided way and causing the potential safety hazard under drive unit trouble or inertial circumstances.
Furthermore, the two ends of the guide rail are upwards protruded to form car stops.
The car bumper sets up at the guide rail both ends, prevents that female dust excluding hood from removing the in-process and rushing out the guide rail and cause the potential safety hazard.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a low fault rate primary and secondary portable dust excluding hood car, through setting up the cleaning unit, clean the surface of guide rail in time along with the motion of female dust excluding hood, prevent debris such as iron melt from adhering to the accumulation on the guide rail surface and being difficult to clear away, ensured the normal motion of female dust excluding hood, reduced the fault rate of dust excluding hood car;
(2) the primary and secondary movable dust hood vehicle with low failure rate can ensure that the scraper firstly contacts with the upper surface of the guide rail in the motion direction by arranging the scraper at the two end parts of the bottom surface of the primary dust hood, so that the upper surface of the guide rail is firstly cleaned, the first roller is ensured to be normally matched with the guide rail, and the failure is prevented;
(3) the utility model discloses a low fault rate primary and secondary portable dust excluding hood car through setting up first closing plate, has protected the guide rail inboard when strengthening the dust removal effect, reduces its probability that bears the molten iron and splash, further reduces the fault rate when the dust excluding hood car moves;
(4) the primary and secondary movable dust hood vehicle with low failure rate of the utility model has the advantages that the first driving piece is connected with the driving wheel in a transmission way and arranged at the bottom of one end far away from the second ladle, thereby reducing the influence of high temperature load on the first driving piece, prolonging the effective service life of the primary and secondary movable dust hood vehicle and reducing the failure rate;
(5) the utility model discloses a low fault rate primary and secondary portable dust excluding hood car adopts rack drive's form to drive sub-dust excluding hood and removes, and transmission efficiency is high and the drive ratio is accurate, can avoid the sub-dust excluding hood of frame type card dead phenomenon in the removal process, prevents the emergence of sub-dust excluding hood removal trouble, ensures that the effective of ladle top is sheltered from to the sub-dust excluding hood in the process of reladling, ensures the dust removal effect;
(6) the utility model discloses a low fault rate primary and secondary portable dust excluding hood car through the cooperation structure that supports guided way and gyro wheel two, provides stable motion orbit to the sub dust excluding hood, and this cooperation structure supports the weight of sub dust excluding hood, receives too big load influence accurate transmission when avoiding rack and pinion transmission, has guaranteed the normal operating of sub dust excluding hood;
(7) the utility model discloses a low fault rate primary and secondary movable dust excluding hood car through the setting of end plate, can restrict the extreme position that the sub dust excluding hood removed, prevents that the sub dust excluding hood from rushing out the support guided way and causing the potential safety hazard under drive unit trouble or inertial circumstances;
(8) the utility model discloses a low fault rate primary and secondary portable dust excluding hood car, the car bumper sets up at the guide rail both ends, prevents that the female dust excluding hood from moving the in-process and rushing out the guide rail and causing the potential safety hazard;
(9) the utility model discloses simple structure, reasonable in design easily makes.
Drawings
FIG. 1 is a schematic view of a conventional molten iron transfer environment;
FIG. 2 is a schematic view of the primary and secondary mobile dust excluding hood vehicle with low failure rate applied to a tank-dumping environment;
FIG. 3 is a schematic view of the primary and secondary mobile dust hood vehicle with low failure rate;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is an enlarged view of the point B in FIG. 3
FIG. 6 is a side view of the master-slave mobile dust excluding hood vehicle of the present invention with low failure rate;
FIG. 7 is an enlarged view at C of FIG. 6;
FIG. 8 is an enlarged view of FIG. 6 at D;
FIG. 9 is a layout diagram of the master-slave mobile dust hood vehicle of embodiment 8.
In the figure:
1000. a pit; 2000. a first ladle; 3000. a second ladle;
1. a guide rail;
2. a primary dust hood;
3. a first drive unit; 30. a first driving member; 31. roller 1
4. A sub dust hood;
5. a second driving unit; 50. a second driving member; 51. a gear; 52. a rack; 53. supporting the guide rail; 54. a second roller; 55. an end plate;
6. a dust removal pipe;
7. a cleaning unit;
8. a first sealing plate;
9. a second sealing plate.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
As shown in fig. 1, 2 and 3, the primary and secondary mobile dust hood vehicle with low failure rate of the embodiment includes,
a pit 1000, a first ladle 2000 disposed in the pit 1000, and a second ladle 3000 disposed on the ground beside the pit 1000;
the guide rails 1 are laid on the ground on two sides of the pit 1000;
the female dust hood 2 is a three-side shielding type hood body and is movably connected to the guide rail 1 through a bottom roller I31;
the first driving unit 3 drives the primary dust hood 2 to reciprocate on the guide rail 1;
the dust removal pipe 6 is communicated with the primary dust removal cover 2;
further comprising:
the secondary dust hood 4 is a frame-shaped hood body and is movably connected to the upper part of the main dust hood 2;
a second driving unit 5 for driving the sub dust excluding hood 4 to reciprocate along the second ladle 3000 direction;
and the cleaning unit 7 is fixedly connected to the bottom of the primary dust hood 2 and cleans the surface of the guide rail 1 along with the movement of the primary dust hood 2.
The blast furnace molten iron tank is not matched with the steel making molten iron tank, so a ladle transfer system is required to be arranged to transfer the molten iron, as shown in fig. 1, the arrangement structure is a common pit type ladle transfer system, a first ladle 2000 is arranged in a pit 1000, a second ladle 3000 which is transported by a train and is full of the molten iron is arranged at the tail part of the second ladle 3000 by a crane hook, the second ladle is leaned against an upper tilting support, the molten iron is poured into the first ladle 2000, a large amount of smoke and molten iron splashing can be inevitably generated in the pouring process, therefore, a dust removing cover is arranged to remove dust and block the splashing, as the ladle transfer process is carried out in a high-temperature environment and is accompanied with the molten iron, the normal action of a moving mechanism of the movable dust removing cover vehicle is probably influenced due to the cooling, solidification and adhesion of the splashed molten iron, so that the fault is caused, and meanwhile, when the existing dust removing device is arranged, the second hot metal bottle 3000 will be considered to be smoothly tipped over, the lifting hook of the crane is convenient, so the shielding range is given way, the pouring process is still carried out by a large amount of smoke and dust, the molten iron is splashed out, the safety production is affected, and the dust removal device structure is improved in the embodiment based on the problems.
The guide rails 1 are laid on the ground on both sides of the pit 1000, and the guide rails 1 may be laid along the direction pointing to the second ladle 3000, or may be laid in the direction perpendicular to the previous laying method, and the first laying direction is adopted in this embodiment, as shown in fig. 2;
the female dust hood 2 is a three-surface shielding type hood body commonly used for dust removal, the top surface and two side surfaces of the female dust hood are shielded, the surface facing the second ladle 3000 is open for the second ladle 3000 to normally tip, the surface far away from the second ladle 3000 is provided with a hole for connecting the dust removal pipe 6, and the dust removal pipe 6 is communicated with dust removal equipment so as to timely suck out dust and remove dust;
the first driving unit 3 is used for providing power for the female dust hood 2 and is a unit for enabling the female dust hood 2 to move on the guide rail 1, in the embodiment, the first driving unit 3 is arranged at the bottom of the female dust hood 2, the female dust hood 2 is arranged on the guide rail 1 in a matched mode through the first driving unit 3, and the female dust hood 2 moves close to or away from the second ladle 3000 along the laying direction of the guide rail 1;
the shape of the sub dust hood 4 is the same as the shape of the upper half part of the mother dust hood 2, the sub dust hood 4 is in a Jiong-shaped frame and is movably connected to the upper part of the mother dust hood 2, more specifically, the sub dust hood 4 is movably connected to the upper part of the mother dust hood 2 close to the second ladle 3000, and the sub dust hood 4 can move close to/away from the second ladle 3000 under the driving of the second driving unit 5; when the ladle is poured, the hook of the crane needs to hook the tail of the second ladle 3000 for tilting, at this time, the first driving unit 3 drives the primary dust hood 2 to move along the guide rail 1 to the position right above the pit 1000, at this time, the secondary dust hood 4 is located at a position far away from the second ladle 3000, so that a sufficient space is left between the primary dust hood 2 and the second ladle 3000 for the crane hook and the ladle to tilt, when the second ladle 3000 tilts, after a ladle opening enters the cover body space of the primary dust hood 2, under the driving of the second driving unit 5, the secondary dust hood 4 moves towards the second ladle 3000 to shield most of the space above the tilted second ladle 3000, when the second ladle 3000 tilts molten iron, the space right above the two ladle openings is completely covered by the primary dust hood 2 and the secondary dust hood 4, therefore most of the dust and the splashed molten iron are finally dedusted by the dust removal pipe 6 under the blocking of the cover bodies, reach high dust removal effect, when empting the back that finishes, sub-dust excluding hood 4 is withdrawed to second drive unit 5, and second ladle 3000 resets, and first drive unit 3 withdraws female dust excluding hood 2 after the can transfer finishes.
The dust excluding hood car is removed to primary and secondary formula of this embodiment, through the setting of sub dust excluding hood, when carrying out the reladling, can carry out more comprehensive cover to the space of two ladle tops, reach higher dust removal effect, and sub dust excluding hood 4 can concertina movement, avoids taking place to interfere the movement track of ladle, crane through withdrawing sub dust excluding hood 4 around the reladling, makes the reladling system normal operating.
This embodiment cleans unit 7 through setting up, cleans guide rail 1's surface in time along with female dust excluding hood 2's motion, prevents that debris such as molten iron from being difficult to clear away at guide rail 1 surface adhesion accumulation, has ensured female dust excluding hood 2's normal motion, has reduced the fault rate of dust excluding hood car.
Example 2
As shown in fig. 4, the primary and secondary mobile dust hood vehicle with low failure rate of this embodiment is further improved on the basis of embodiment 1, and the cleaning units 7 are scrapers, and are fixedly connected to two ends of the bottom of the primary dust hood 2 directly above the guide rail 1.
Adopt the scraper blade to clean guide rail 1 surface, scraper blade one end fixed connection is on 2 bottom surfaces of female dust excluding hood, other end terminal surface and 1 upper surface contact of guide rail, and all be equipped with two scraper blades on 2 bottom surfaces of female dust excluding hood directly over every guide rail 1, be located the both ends of female dust excluding hood 2 respectively, press from both sides gyro wheel 31 between two scraper blades, when 2 movements of female dust excluding hood, can guarantee in the direction of motion, the scraper blade earlier with 1 upper surface contact of guide rail, clean 1 upper surface of guide rail from this earlier, the normal cooperation of 31 gyro wheel and guide rail 1 has been ensured, prevent the fault from taking place.
Example 3
As shown in fig. 6, the primary and secondary mobile dust excluding hood vehicle with low failure rate of the embodiment is further improved on the basis of the embodiment 2, and further includes two first sealing plates 8, which are vertically and downwardly fixedly connected to two sides of the bottom of the primary dust excluding hood 2, and the first sealing plates 8 are arranged between the two guide rails 1.
The first sealing plate 8 seals the gap between the bottoms of the two side surfaces of the primary dust hood 2 and the ground, so that smoke dust and molten iron can be further prevented from escaping from the gap when the tank is inverted; simultaneously, first closing plate 8 arranges between two guide rails 1, when accomplishing sealedly, shelters from the part that originally bears the molten iron to splash to guide rail 1 inboard, and when carrying out the reladling, the dust excluding hood car moves to directly over pit 1000, and at this moment, both sides guide rail 1 directly over pit 1000 all is sheltered from by first closing plate 8, and the probability that the molten iron that greatly reduced splashes falls on guide rail 1 has further ensured the normal removal of dust excluding hood car.
Example 4
As shown in fig. 3 and fig. 6, the primary and secondary type mobile dust hood vehicle with low failure rate of the embodiment is further improved on the basis of embodiment 3, the first roller 31 includes a driven wheel and a driving wheel, the driving wheel is located at the bottom of one end of the primary dust hood 2 far away from the second ladle 3000, and the first driving element 30 of the first driving unit 3 is in transmission connection with the driving wheel.
A 31 division of gyro wheel is the action wheel and follows the driving wheel, wherein sets up in mother dust excluding hood 2 and is close to the one end direction of second ladle 3000 from the driving wheel, and the action wheel sets up in mother dust excluding hood 2 and keeps away from the one end direction of second ladle 3000, and first driving piece 30 is then transmission connection on the action wheel, and first driving piece 30 can be if gear motor isotructure, through the structure of this embodiment, can reduce first driving piece 30 and receive high temperature load's influence, prolongs its effective life.
Example 5
As shown in fig. 5 and 7, the primary and secondary mobile dust excluding hood vehicle with low failure rate of the present embodiment is further improved on the basis of embodiment 4, wherein the second driving unit 5 is disposed on two sides of the primary dust excluding hood 2 and the secondary dust excluding hood 4, and includes:
a second driving member 50 providing a driving force;
a gear 51 connected with the sub dust hood 4 and in transmission connection with the second driving member 50;
and the racks 52 are horizontally fixed on two sides of the mother dust hood 4, and the racks 52 are meshed with the gear 51.
In this embodiment, second driving piece 50 can be the component that can provide power for gear motor etc., this embodiment adopts rack gear's mode to realize the removal of sub-dust excluding hood 4, specifically do, rack 52 level is fixed in female dust excluding hood 4 both sides, gear 51 and the meshing of 2 both sides bottom fixed connection of sub-dust excluding hood and gear 51 and rack 52, gear motor is connected with gear 51 transmission, start when gear motor, drive gear 52 and rotate, under meshing mechanism's effect, gear 51 walks on rack 52, drive sub-dust excluding hood 4 from this and move on female dust excluding hood 2.
Adopt rack drive's form to drive sub dust excluding hood 4 and remove in this embodiment, high and the drive ratio accuracy of transmission efficiency, 4 both sides of sub dust excluding hood set up behind this drive mechanism, under the condition that gear motor output is the same in both sides, can guarantee that 4 both sides of sub dust excluding hood are the same moving speed displacement and move, the dead phenomenon of sub dust excluding hood 4 card at the removal in-process of frame type has been avoided from this, the fault rate is reduced, guarantee that ladle-reversing process neutron dust excluding hood 4 effectively shelters from the ladle top, guarantee the dust removal effect.
Example 6
As shown in fig. 8, the primary and secondary mobile dust hood vehicle with low failure rate of the present embodiment is further improved on the basis of embodiment 5, and the second driving unit 5 further includes:
the support guide rails 53 are horizontally fixed on two sides of the mother dust hood 2, and the support guide rails 53 are C-shaped rails;
and the second roller 54 is connected with the sub dust hood 4, and the second roller 54 is matched and arranged in the supporting guide rail 53.
This embodiment has set up the structure of support and guide effect to sub dust excluding hood 4, the support guided way 53 level that is the C type is fixed in female dust excluding hood 2 both sides, two 54 fixed connection of gyro wheel in 4 both sides of sub dust excluding hood, and two 54 cooperations of gyro wheel arrange in supporting guided way 53, under the limit of this structure, make sub dust excluding hood 4 have stable motion trail, and two 54 of gyro wheel and the weight that supports sub dust excluding hood 4 of support guided way 53 cooperation, it influences its accurate transmission to prevent to receive too big load accelerated wear between gear 51 rack 52 among the rack gear.
Example 7
As shown in fig. 5, the primary-secondary type mobile dust hood vehicle with low failure rate of the present embodiment is further improved on the basis of embodiment 6, wherein end plates 55 are fixedly connected to two ends of the support guide rail 53, so as to close two ends of the support guide rail 53.
Through the setting of end plate 55, can prescribe a limit to the extreme position that sub dust excluding hood 4 removed, prevent that sub dust excluding hood 4 from rushing out support guided way 53 and causing the potential safety hazard under drive unit trouble or inertial circumstances.
Example 8
The primary and secondary type mobile dust hood vehicle with low failure rate is further improved on the basis of embodiment 7, and vehicle stoppers are arranged at two ends of the guide rail 1 in an upward protruding manner.
The car keeps off the effect similar with end plate 55 effect in this embodiment, sets up at 1 both ends of guide rail, prevents that female dust excluding hood 2 from removing the in-process and rushing out guide rail 1 and cause the potential safety hazard.
Further, the dust excluding hood car is removed to low fault rate primary and secondary formula of this embodiment, and structural arrangement is reasonable, and area consumption is little, removes in a flexible way, can set up many places pit cooperation many places dust excluding hood car in the tank changing place, as shown in fig. 9, improves work efficiency.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (8)
1. A master-slave type mobile dust hood vehicle with low failure rate, which comprises,
a pit (1000), a first ladle (2000) placed in the pit (1000), and a second ladle (3000) placed on the ground beside the pit (1000);
the guide rails (1) are laid on the ground on two sides of the pit (1000);
the primary dust hood (2) is a three-side shielding type hood body and is movably connected to the guide rail (1) through a first bottom roller (31);
the first driving unit (3) drives the primary dust hood (2) to reciprocate on the guide rail (1);
the dust removal pipe (6) is communicated with the primary dust removal cover (2);
it is characterized by also comprising:
the secondary dust hood (4) is a frame-shaped hood body and is movably connected to the upper part of the main dust hood (2);
the second driving unit (5) drives the sub dust removing cover (4) to reciprocate along the direction of the second ladle (3000);
and the cleaning unit (7) is fixedly connected to the bottom of the primary dust hood (2) and cleans the surface of the guide rail (1) along with the movement of the primary dust hood (2).
2. The low failure rate primary and secondary mobile dust excluding hood vehicle of claim 1, wherein: the cleaning unit (7) is a scraper and is fixedly connected to two ends of the bottom of the female dust hood (2) right above the guide rail (1).
3. The low failure rate primary and secondary mobile dust excluding hood vehicle of claim 2, wherein: still include first closing plate (8), it is equipped with two, vertical downward fixed connection in female dust excluding hood (2) bottom both sides, just first closing plate (8) are arranged between two guide rails (1).
4. The low failure rate primary and secondary mobile dust excluding hood vehicle of claim 3, wherein: the first roller (31) comprises a driven wheel and a driving wheel, the driving wheel is located at the bottom of one end, away from the second ladle (3000), of the mother dust hood (2), and a first driving piece (30) of the first driving unit (3) is in transmission connection with the driving wheel.
5. The primary and secondary mobile dust hood vehicle with low failure rate according to claim 4, wherein the second driving unit (5) is disposed on two sides of the primary dust hood (2) and the secondary dust hood (4), and comprises:
a second drive member (50) providing a driving force;
a gear (51) which is connected with the sub dust hood (4) and is in transmission connection with the second driving piece (50);
and the racks (52) are horizontally fixed on two sides of the mother dust hood (2), and the racks (52) are meshed with the gear (51).
6. A low failure rate primary-secondary mobile dust hood vehicle according to claim 5, characterized in that said second drive unit (5) further comprises:
the support guide rails (53) are horizontally fixed on two sides of the mother dust hood (2), and the support guide rails (53) are C-shaped rails;
and the second roller (54) is connected with the sub dust hood (4), and the second roller (54) is matched and arranged in the supporting guide rail (53).
7. The low failure rate primary and secondary mobile dust excluding hood vehicle of claim 6, wherein: end plates (55) are fixedly connected to two ends of the supporting guide rail (53) to seal two ends of the supporting guide rail (53).
8. The low failure rate primary and secondary mobile dust excluding hood vehicle of claim 7, wherein: and car stops are arranged at the two ends of the guide rail (1) in an upward protruding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474451.XU CN212143849U (en) | 2020-04-02 | 2020-04-02 | Primary and secondary type movable dust hood vehicle with low failure rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474451.XU CN212143849U (en) | 2020-04-02 | 2020-04-02 | Primary and secondary type movable dust hood vehicle with low failure rate |
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| CN212143849U true CN212143849U (en) | 2020-12-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331119A (en) * | 2020-04-03 | 2020-06-26 | 马钢集团设计研究院有限责任公司 | Primary and secondary type movable dust hood vehicle for steelmaking environment and dust removal method |
| CN114082933A (en) * | 2021-12-22 | 2022-02-25 | 常州三思环保科技有限公司 | Follow-up molten iron casting ladle flue gas trapping system |
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2020
- 2020-04-02 CN CN202020474451.XU patent/CN212143849U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331119A (en) * | 2020-04-03 | 2020-06-26 | 马钢集团设计研究院有限责任公司 | Primary and secondary type movable dust hood vehicle for steelmaking environment and dust removal method |
| CN111331119B (en) * | 2020-04-03 | 2021-04-30 | 马钢集团设计研究院有限责任公司 | Primary and secondary type movable dust hood vehicle for steelmaking environment and dust removal method |
| CN114082933A (en) * | 2021-12-22 | 2022-02-25 | 常州三思环保科技有限公司 | Follow-up molten iron casting ladle flue gas trapping system |
| CN114082933B (en) * | 2021-12-22 | 2024-05-03 | 常州三思环保科技有限公司 | Follow-up type molten iron ladle smoke trapping system |
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