CN113514170A - Multi-station test smoke collection hood system - Google Patents
Multi-station test smoke collection hood system Download PDFInfo
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- CN113514170A CN113514170A CN202110517177.9A CN202110517177A CN113514170A CN 113514170 A CN113514170 A CN 113514170A CN 202110517177 A CN202110517177 A CN 202110517177A CN 113514170 A CN113514170 A CN 113514170A
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- collecting hood
- smoke collecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a multi-station test smoke collecting hood system, which comprises a steel structural frame capable of walking on a rail, wherein one side of the steel structural frame is fixed with a supporting platform, a tapered smoke collecting hood capable of sliding up and down and a hoisting system for controlling the tapered smoke collecting hood to move up and down are arranged in the steel structural frame, an opening at the upper end of the tapered smoke collecting hood is communicated with a smoke inlet of a smoke collecting pipeline through a flexible expansion joint, a smoke outlet of the smoke collecting pipeline is connected with a smoke outlet pipe through the flexible expansion joint, an automatic expansion butt joint device capable of controlling the extension amplitude of the smoke outlet pipe is arranged on the supporting platform, a high-temperature resistant lifting curtain capable of extending and contracting is also fixed on the lower end surface of the circumferential edge of the tapered smoke collecting hood, a plurality of driving mechanisms capable of controlling the steel structural frame to walk are arranged at the bottom of the steel structural frame, and the system can meet the multi-station only through one smoke collecting hood system, and (4) carrying out multi-range calorimetric test.
Description
Technical Field
The invention relates to the field of fire experiment systems, in particular to a multi-station test smoke collecting hood system.
Background
Fire is one of the major disasters causing major casualties and economic losses in the modern society, and therefore, research on related tests related to fire is gaining increasing attention. At present, a cone calorimeter is commonly used for monitoring the actual combustion condition of a fire in a fire test, and a smoke collecting hood system of the cone calorimeter is an important part influencing the calorimetric precision of the cone calorimeter. However, the conventional large-sized smoke collecting hood system is generally installed at a fixed position of an indoor roof and cannot be moved horizontally or vertically, so that there are problems in that: (1) when a fire test needs to be carried out in different fields, the same smoke collecting hood system cannot be adopted for carrying out calorimetric tests of different stations, and the use of different smoke collecting systems can cause large errors in calorimetric results; (2) because the traditional smoke collecting hood system cannot vertically lift, in order to meet the calorimetric precision of small-sized fire or low-rise building fire, a test piece is generally heightened to shorten the distance between the test piece and the smoke collecting hood system so as to achieve a good smoke collecting effect, but the loading of the test piece and the provision of supporting counter force cause a plurality of limitations.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a multi-station test smoke collecting hood system which can meet the multi-station and multi-range calorimetric test only by one smoke collecting hood system.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a multi-station test smoke collecting hood system which comprises a steel structural frame capable of walking on a rail, wherein a supporting platform is fixed on one side of the steel structural frame, a tapered smoke collecting hood capable of sliding up and down and a lifting system capable of controlling the tapered smoke collecting hood to move up and down are arranged in the steel structural frame, an opening at the upper end of the tapered smoke collecting hood is communicated with a smoke inlet of a smoke collecting pipeline through a telescopic flexible expansion joint, a smoke outlet of the smoke collecting pipeline is connected with a smoke outlet pipe through a flexible expansion joint, an automatic telescopic butt joint device capable of controlling the stretching amplitude of the smoke outlet pipe is arranged on the supporting platform, an overhaul platform is further fixed at the upper end of the steel structural frame, a carrying platform capable of moving to the opening of the tapered smoke collecting hood is arranged on the overhaul platform to realize the quick replacement of the telescopic flexible connection device, and a high-temperature resistant lifting curtain capable of stretching and shrinking is further fixed on the lower end face of the circumferential edge of the tapered smoke collecting hood, and a plurality of driving mechanisms capable of controlling the steel structure frame to walk are arranged at the bottom of the steel structure frame.
Preferably, the hoisting system comprises four hoisting motors respectively fixed at four corners of the steel structure frame, the lower end face of the maintenance platform is provided with four fixed pulleys respectively corresponding to the hoisting motors one by one, the output end of each hoisting motor is connected with a hoisting rope, and the hoisting rope penetrates through the corresponding fixed pulleys and then is fixedly connected with the conical smoke collecting hood.
Preferably, steel construction frame's bottom is equipped with two floorbars that set up with the track syntropy, actuating mechanism is including establishing the walking motor on the floorbar, the terminal surface still is equipped with the gyro wheel with the track adaptation under the floorbar, the output of walking motor is equipped with the action wheel, the action wheel passes through drive chain and gyro wheel chain drive.
Preferably, the automatic telescopic butt joint device comprises a supporting vehicle capable of moving on a supporting platform, a steel plate is arranged on the supporting vehicle, the steel plate is fixedly connected with the smoke outlet pipe and supports the smoke outlet pipe, a horizontal electro-hydraulic push rod is further arranged on the supporting platform, and the extending end of the horizontal electro-hydraulic push rod is fixed with the steel plate.
Preferably, the shape of the conical smoke collecting hood is a quadrangular frustum pyramid shape with openings at the upper end and the lower end, the material of the conical smoke collecting hood is made of stainless steel, and the inner side surface of the conical smoke collecting hood is paved with refractory cellucotton.
Preferably, four upright columns of the steel structure frame are respectively connected with four corner ends at the lower end of the tapered smoke collecting hood in a sliding manner, and sliding grooves for embedding the corner ends of the tapered smoke collecting hood are formed in the upright columns.
Preferably, high temperature resistant lift curtain is the beta structure of seamless design of integration, and its material adopts the coating ceramic fiber fire prevention cloth of temperature resistant 3500 ℃, high temperature resistant lift curtain is connected with the flexible elevating system of shirt rim of placing in steel construction frame top through the soft muscle of steel wire that inside set up.
Preferably, the flexible expansion joint is made of high-temperature-resistant fireproof cloth.
Preferably, the area of the maintenance platform is not less than 50% of the area of the top of the steel structure frame, and the maintenance platform is further provided with a protective barrier.
The invention has the beneficial effects that:
1) the automatic telescopic butt joint device can drive the smoke outlet pipe to withdraw from and insert into the test pipeline through the horizontal electro-hydraulic push rod, so that the whole smoke collecting hood system can be freely butted with different test pipelines at different stations, and manual operation of personnel at high altitude is avoided;
2) the driving mechanism can control the steel structure frame to move along the track, so that the fume collecting hood system can reach a station of a test pipeline with a required range;
3) the flexible expansion joint can be matched with the vertical lifting of the conical smoke collecting hood, the vertical distance between a fire disaster and the conical smoke collecting hood can be shortened, and the high-temperature resistant lifting curtain additionally arranged at the bottom of the conical smoke collecting hood is matched, so that the collection effect of the smoke collecting hood on low-power combustion heat release smoke is met, and the high-precision calorimetric result of a small-range test pipeline is enhanced;
4) the flexible expansion joint and the conical smoke collecting hood and the smoke collecting pipeline are detachably bolted, and quick transportation and replacement of the flexible expansion joint and the conical smoke collecting hood can be realized through the carrying platform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-station test fume collecting hood system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a tapered fume collecting hood provided by an embodiment of the invention;
fig. 3 is a schematic structural diagram of an automatic telescopic docking device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a telescopic flexible connection device provided by an embodiment of the invention.
Description of reference numerals:
26. a smoke collecting pipeline; 27. a hoisting motor; 28. a conical smoke collecting hood; 29. a high temperature resistant lifting curtain; 30. a flexible expansion joint; 31. a drive mechanism; 32. a guard rail; 33. a bottom beam; 34. a carrier platform; 35. overhauling the platform; 36. a column; 37. a support platform; 38. a horizontal electro-hydraulic push rod; 39. supporting the vehicle; 40. a steel plate; 41. and (4) discharging the smoke tube.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, a multi-station test fume collecting hood system comprises a steel structural frame capable of walking on a rail, wherein a supporting platform 37 is fixed on one side of the steel structural frame, a tapered fume collecting hood 28 capable of sliding up and down and a lifting system capable of controlling the tapered fume collecting hood to move up and down are arranged in the steel structural frame, the tapered fume collecting hood 28 is in a quadrangular frustum shape with openings at the upper end and the lower end, the tapered fume collecting hood 28 is made of stainless steel, and refractory fiber cotton is paved on the inner side surface of the tapered fume collecting hood 28;
four upright posts 36 of the steel structure frame are respectively connected with four corner ends at the lower end of the tapered smoke collecting cover 28 in a sliding manner, and sliding grooves for embedding the corner ends of the tapered smoke collecting cover 28 are formed in the upright posts 36;
an opening at the upper end of the conical smoke collecting cover 28 is communicated with a smoke inlet of the smoke collecting pipeline 26 through a telescopic flexible expansion joint 30, a smoke outlet of the smoke collecting pipeline 26 is connected with a smoke outlet pipe 41 through the flexible expansion joint 30, the flexible expansion joint 30 is made of high-temperature-resistant fireproof cloth, an automatic telescopic butt joint device capable of controlling the extension range of the smoke outlet pipe 41 is arranged on the supporting platform 37, an overhauling platform 35 is fixed at the upper end of the steel structural frame, the area of the overhauling platform 35 is not less than 50% of the area of the top of the steel structural frame, and a protective railing 32 is further arranged on the overhauling platform 35;
overhaul and be equipped with the cargo platform 34 that can remove toper collection petticoat pipe opening part on the platform 35 for realize telescopic flexible connection device's swift change, the lower terminal surface at toper collection petticoat pipe 28 circumference edge still is fixed with can extend and the high temperature resistant lift curtain 29 of shrink, steel frame's bottom is equipped with a plurality of actuating mechanism 31 that can control its walking.
The high-temperature-resistant lifting curtain 29 is of an integrated seamless folding structure, the material of the high-temperature-resistant lifting curtain is a coating ceramic fiber fireproof cloth which can resist 3500 ℃, and the high-temperature-resistant lifting curtain 29 is connected with a skirt edge telescopic lifting mechanism arranged at the top of a steel structure frame through a steel wire soft rib arranged inside the high-temperature-resistant lifting curtain.
The lifting system comprises four lifting motors 27 fixed on four corners of the steel structure frame respectively, four fixed pulleys corresponding to the lifting motors 27 one to one are arranged on the lower end face of the maintenance platform 35, the output ends of the lifting motors 27 are connected with lifting ropes, and the lifting ropes penetrate through the corresponding fixed pulleys and then are fixedly connected with the conical smoke collecting hood 28.
The bottom of steel structural framework is equipped with two floorbars 33 that set up with the track syntropy, actuating mechanism 31 is including establishing the walking motor on floorbar 33, the terminal surface still is equipped with the gyro wheel with the track adaptation under the floorbar 33, the output of walking motor is equipped with the action wheel, the action wheel passes through drive chain and gyro wheel chain drive.
The automatic telescopic butt joint device comprises a supporting vehicle 39 capable of moving on a supporting platform 37, a steel plate 40 is arranged on the supporting vehicle 39, the steel plate 40 is fixedly connected with a smoke outlet pipe 41 and plays a supporting role for the smoke outlet pipe, a horizontal electro-hydraulic push rod 38 is further arranged on the supporting platform 37, and the extending end of the horizontal electro-hydraulic push rod 38 is fixed with the steel plate 40.
The multi-station test smoke collecting hood system is characterized in that the multi-station and multi-range calorimetric test can be met only by one smoke collecting hood system; the method is realized by mainly relying on the following three parts: (1) the automatic telescopic butt joint device drives the smoke outlet pipe 41 to withdraw from and insert into the test pipeline through the horizontal electro-hydraulic push rod 38 so as to realize free butt joint of the whole smoke collecting hood system and different test pipelines at different stations; (2) the steel structure frame travels through the rail, and the driving mechanism 31 drives the whole fume collecting hood system to move horizontally, so that the fume collecting hood system can reach a station of a test pipeline with a required range; (3) the hoisting system can realize the vertical lifting of the conical smoke collecting cover 28, can shorten the vertical distance between a fire and the conical smoke collecting cover 28, and is matched with the high-temperature resistant lifting curtain 29 additionally arranged at the bottom of the conical smoke collecting cover 28, so that the collection effect of the smoke collecting cover on low-power combustion heat release smoke is met, and the high-precision calorimetric result of a small-range test pipeline is enhanced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a multistation test collection petticoat pipe system which characterized in that: the device comprises a steel structure frame capable of walking on a rail, wherein one side of the steel structure frame is fixed with a supporting platform (37), a lifting system which can slide up and down and can control the conical smoke collecting hood (28) to move up and down is arranged in the steel structure frame, an opening at the upper end of the conical smoke collecting hood (28) is communicated with a smoke inlet of a smoke collecting pipeline (26) through a telescopic flexible telescopic joint (30), a smoke outlet of the smoke collecting pipeline (26) is connected with a smoke outlet pipe (41) through the flexible telescopic joint (30), an automatic telescopic butt joint device which can control the extension range of the smoke outlet pipe (41) is arranged on the supporting platform (37), an overhauling platform (35) is further fixed at the upper end of the steel structure frame, an object carrying platform (34) which can move to the opening of the conical smoke collecting hood is arranged on the overhauling platform (35) for realizing the quick replacement of the telescopic soft joint device, the lower terminal surface at toper collection petticoat pipe (28) circumference edge still is fixed with can extend and high temperature resistant lift curtain (29) that shrink, steel framework's bottom is equipped with a plurality of actuating mechanism (31) that can control its walking.
2. The multi-station test fume collecting hood system according to claim 1, wherein: the lifting system comprises four lifting motors (27) which are respectively fixed on four corners of a steel structure frame, the lower end face of the maintenance platform (35) is provided with four fixed pulleys which respectively correspond to the lifting motors (27), the output end of each lifting motor (27) is connected with a lifting rope, and the lifting rope penetrates through the corresponding fixed pulleys and then is fixedly connected with the conical smoke collecting hood (28).
3. The multi-station test fume collecting hood system according to claim 1, wherein: the bottom of steel structural framework is equipped with two floorbars (33) that set up with the track syntropy, actuating mechanism (31) are including establishing the walking motor on floorbar (33), the terminal surface still is equipped with the gyro wheel with the track adaptation under floorbar (33), the output of walking motor is equipped with the action wheel, the action wheel passes through drive chain and gyro wheel chain drive.
4. The multi-station test fume collecting hood system according to claim 1, wherein: automatic flexible interfacing apparatus is including supporting vehicle (39) that can move on supporting platform (37), be equipped with steel sheet (40) on supporting vehicle (39), steel sheet (40) and play tobacco pipe (41) fixed connection and play the supporting role to it, still be equipped with horizontal electric liquid push rod (38) on supporting platform (37), horizontal electric liquid push rod (38) stretch out the end and fix with steel sheet (40).
5. The multi-station test fume collecting hood system according to claim 1, wherein: high temperature resistant lift curtain (29) is the beta structure of seamless design of integration, and its material adopts the coating ceramic fiber fire prevention cloth of temperature resistant 3500 ℃, high temperature resistant lift curtain (29) are connected with the flexible elevating system of shirt rim of placing in steel construction frame top through the soft muscle of steel wire that inside set up.
6. The multi-station test fume collecting hood system according to claim 1, wherein: the shape of the conical smoke collecting hood (28) is a quadrangular frustum pyramid shape with openings at the upper end and the lower end, the material of the conical smoke collecting hood is made of stainless steel, and the inner side surface of the conical smoke collecting hood (28) is paved with refractory cellucotton.
7. The multi-station test fume collecting hood system according to claim 6, wherein: four stand columns (36) of the steel structure frame are respectively connected with four corner ends of the lower end of the conical smoke collecting cover (28) in a sliding mode, and sliding grooves for embedding the corner ends of the conical smoke collecting cover (28) are formed in the stand columns (36).
8. The multi-station test fume collecting hood system according to claim 1, wherein: the flexible expansion joint (30) is made of high-temperature-resistant fireproof cloth.
9. The multi-station test fume collecting hood system according to claim 1, wherein: the area of the overhaul platform (35) is not less than 50% of the area of the top of the steel structure frame, and a protective railing (32) is further arranged on the overhaul platform (35).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517177.9A CN113514170B (en) | 2021-05-12 | 2021-05-12 | Multi-station test smoke collection hood system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110517177.9A CN113514170B (en) | 2021-05-12 | 2021-05-12 | Multi-station test smoke collection hood system |
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| CN113514170A true CN113514170A (en) | 2021-10-19 |
| CN113514170B CN113514170B (en) | 2022-09-02 |
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| CN112108817A (en) * | 2020-08-31 | 2020-12-22 | 济南华信自动化工程有限公司 | Smoke dust collecting device for robot to move welding station |
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| US3767536A (en) * | 1970-11-04 | 1973-10-23 | Sumikin Coke Co Ltd | Dust collecting system in a coal charging operation for coke ovens |
| CN102634353A (en) * | 2012-04-13 | 2012-08-15 | 大连华锐重工焦炉车辆设备有限公司 | Dust removal system on coke oven machine side |
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