CN110145480B - Movable main ventilator for tunnel type ventilation - Google Patents
Movable main ventilator for tunnel type ventilation Download PDFInfo
- Publication number
- CN110145480B CN110145480B CN201910451851.0A CN201910451851A CN110145480B CN 110145480 B CN110145480 B CN 110145480B CN 201910451851 A CN201910451851 A CN 201910451851A CN 110145480 B CN110145480 B CN 110145480B
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- Prior art keywords
- legs
- adjusting groove
- movable
- telescopic mechanical
- clamping plate
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- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M3/00—Portable or wheeled frames or beds, e.g. for emergency power-supply aggregates, compressor sets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a movable main ventilator for tunnel type ventilation, which comprises an axial flow fan and a movable frame, wherein wheels, hydraulic support legs for supporting and lifting the movable frame and telescopic mechanical legs for supporting the movable frame are arranged at the bottom of the movable frame; the height of the telescopic mechanical leg in the stretching state is shorter than that of the hydraulic leg in the stretching state; the lower end of the telescopic mechanical leg is higher than the lower edge of the wheel in the folded state. When the movable main ventilator for tunnel type ventilation is required to be pushed forwards, operations of disassembling the fan, disassembling the rack, assembling the fan and the like are not required, and the main ventilator can be forwards transferred through the trailer, so that the forward transfer speed of the main ventilator is high, the efficiency is high, and a large amount of time and labor can be saved.
Description
Technical Field
The invention relates to the technical field of roadway type ventilation, in particular to a movable main ventilator for roadway type ventilation.
Background
Along with the improvement of the linear standard of the road design and the increase of the number of construction mileage, the number of road tunnels, particularly mountain highway tunnels, is increased. Meanwhile, the tunnel is developed towards the direction that the length is longer and longer, the section is larger and larger, and the geological condition is more and more complicated. However, such a trend has led to tunnels facing greater and greater environmental problems during construction. In the tunnel construction, due to geological reasons, toxic and harmful gases can be generated, for example, in the process that the tunnel penetrates through a coal-containing stratum, gas can be met, some stratums can be enriched with hydrogen sulfide and the like, and the toxic and harmful gases are released to a construction area along with the excavation of the tunnel. During construction, incomplete combustion of the engine fuel of the working machine also generates a large amount of toxic and harmful gases, such as CO and nitrogen oxides. In tunnels constructed by the drilling and blasting method, a large amount of substances such as CO, nitrogen oxides and dust are also generated due to the explosion of explosives. When the slurry spraying operation is carried out in the tunnel, a large amount of dust is also generated. These threaten the physical and psychological health of workers and the safety of tunnel construction.
In order to solve the problems that the ventilation effect of the existing long and large tunnel ventilation technology is poor, the construction cost is high, and the construction is hindered, a tunnel type ventilation system is produced at the right moment. To the construction in long tunnel, in order to reduce ventilation energy consumption and improve the ventilation effect, use tunnel formula ventilation system back, axial fan among the tunnel formula ventilation system can constantly move forward. However, the axial flow fan in the existing tunnel type ventilation system is arranged on a fixed support, and the fan needs to be disassembled, the support is disassembled, the fan and the support are moved, the support is assembled and the fan is assembled every time the fan is moved, so that a large amount of time and labor cost are consumed every time the fan is moved; and axial fan weight is big, still has the problem to axial fan's location difficulty in the in-process of assembling the fan on the frame.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a movable main blower for tunnel ventilation, so as to solve the problems of low efficiency and large consumption of time and labor of moving an axial flow blower in the existing tunnel ventilation technology.
The invention relates to a movable main ventilator for tunnel type ventilation, which comprises an axial flow fan and a movable frame, wherein wheels, hydraulic support legs for supporting and lifting the movable frame and telescopic mechanical legs for supporting the movable frame are arranged at the bottom of the movable frame; the height of the telescopic mechanical leg in the stretching state is shorter than that of the hydraulic leg in the stretching state; the lower end of the telescopic mechanical leg is higher than the lower edge of the wheel in the folded state.
Furthermore, the telescopic mechanical leg comprises an upper leg, a lower leg hinged at the lower end of the upper leg and a rectangular pipe sleeve sleeved on the upper leg in a vertically sliding manner, the upper leg consists of two vertical plates arranged in parallel, and the lower leg can be rotatably folded between the two vertical plates along a hinge shaft; and a U-shaped groove which is in sliding fit with the end part of the hinge shaft is arranged on the side surface of the rectangular pipe sleeve.
Furthermore, the movable rack comprises a horizontal rack body, a support plate fixedly connected to the top surface of the horizontal rack body, a longitudinal guide rail horizontally fixed on the support plate, and transverse guide rails fixed on the longitudinal guide rail and adjustable in fixed position along the longitudinal guide rail, wherein each transverse guide rail is composed of two H-shaped steels; a first adjusting groove is formed between the two H-shaped steels, a lower clamping plate is arranged in the first adjusting groove and leans against the bottom surfaces of wing plates of the H-shaped steels, an upper clamping plate is arranged on the top surfaces of the wing plates of the H-shaped steels, and the lower clamping plate is connected with the upper clamping plate through a threaded connecting piece; the lower clamping plate is also provided with a second adjusting groove, and the length direction of the second adjusting groove is vertical to that of the first adjusting groove; and a bolt used for being connected with a support of the axial flow fan is arranged in the second adjusting groove.
The invention has the beneficial effects that:
1. when the main ventilator needs to move forwards, the movable frame can be lifted by the hydraulic support legs, the telescopic mechanical legs are folded, and the hydraulic support legs are folded, so that the wheels support the movable frame, and the movable main ventilator can be dragged to move forwards by the trailer; after the movable main ventilator moves to a designated place, the movable frame is lifted through the hydraulic support legs, the telescopic mechanical legs are opened, then the hydraulic support legs are folded, and the movable main ventilator is fixedly supported at the designated place through the telescopic mechanical legs. When the movable main ventilator for tunnel type ventilation is required to be pushed forwards, operations of disassembling the fan, disassembling the rack, assembling the fan and the like are not required, and the main ventilator can be forwards transferred through the trailer, so that the forward transfer speed of the main ventilator is high, the efficiency is high, and a large amount of time and labor can be saved.
2. The movable main ventilator for tunnel type ventilation can firstly adjust the position of the transverse guide rail along the longitudinal guide rail in the process of initially installing the axial flow fan on the movable support, so that the distance between the transverse guide rails is matched with the distance between supports of the axial flow fan; therefore, the movable support can be used for quickly positioning and installing the axial flow fan, the installation efficiency of the axial flow fan can be improved, and the installation difficulty of the axial flow fan is reduced; and because the adjustable characteristic of movable support for it can adapt to the axial fan of installing different models, has improved its commonality.
Drawings
Fig. 1 is a schematic perspective view of a movable main ventilator for tunnel ventilation according to the present invention;
FIG. 2 is an enlarged view of portion P of FIG. 1;
FIG. 3 is a left side view of a portable main blower for roadway ventilation;
FIG. 4 is a schematic cross-sectional view taken along B-B of FIG. 3;
fig. 5 is an enlarged view of the portion M in fig. 4.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in the figure, the movable main ventilator for tunnel type ventilation in the embodiment comprises an axial flow fan 1 and a movable frame 2, wherein wheels 3, hydraulic support legs 4 for supporting and lifting the movable frame and telescopic mechanical legs 5 for supporting the movable frame are arranged at the bottom of the movable frame; the height of the telescopic mechanical leg in the stretching state is shorter than that of the hydraulic leg in the stretching state; the lower end of the telescopic mechanical leg is higher than the lower edge of the wheel in the folded state.
In this embodiment, the extendable mechanical leg 5 includes an upper leg 51, a lower leg 52 hinged at a lower end of the upper leg, and a rectangular socket 53 slidably fitted over the upper leg in an up-and-down manner. The upper leg 51 in this embodiment is formed of two parallel vertical plates, and the lower leg is pivotally connected between the two vertical plates along a hinge axis 54. The side of the rectangular pipe sleeve in the embodiment is provided with a U-shaped groove 55 which is in sliding fit with the end of the hinge shaft 54, and the hinge shaft 54 can limit the downward movement limit position of the rectangular pipe sleeve to prevent the rectangular pipe sleeve from falling off. In the embodiment, the telescopic mechanical leg 5 can rotate the lower leg to open or close the lower leg by pushing the rectangular sleeve 53 to the upper end of the upper leg, and then slide the rectangular sleeve to the hinged shaft part after opening or closing the lower leg, and the rectangular sleeve is sleeved on the end parts of the lower leg and the upper leg at the same time, so that the open or closed state of the telescopic mechanical leg can be kept stable.
In the embodiment, when the main ventilator needs to move forwards, the movable frame can be lifted by the hydraulic support legs, the telescopic mechanical legs are folded, and the hydraulic support legs are folded, so that the wheels support the movable frame, and the movable main ventilator can be dragged to move forwards by the trailer; after the movable main ventilator moves to a designated place, the movable frame is lifted through the hydraulic support legs, the telescopic mechanical legs are opened, then the hydraulic support legs are folded, and the movable main ventilator is fixedly supported at the designated place through the telescopic mechanical legs. When the movable main ventilator for tunnel type ventilation is required to be pushed forwards, operations of disassembling the fan, disassembling the rack, assembling the fan and the like are not required, and the main ventilator can be forwards transferred through the trailer, so that the forward transfer speed of the main ventilator is high, the efficiency is high, and a large amount of time and labor can be saved.
As an improvement to this embodiment, the movable rack includes a horizontal rack body 6, a support plate 7 fixedly connected to the top surface of the horizontal rack body, a longitudinal guide rail 8 horizontally fixed to the support plate, and a transverse guide rail 9 fixed to the longitudinal guide rail and having a fixed position adjustable along the longitudinal guide rail, each transverse guide rail being composed of two H-shaped steels; a first adjusting groove 10 is formed between the two H-shaped steels, a lower clamping plate 11 is arranged in the first adjusting groove, the lower clamping plate leans against the bottom surface of a wing plate of the H-shaped steel, an upper clamping plate 12 is arranged on the top surface of the wing plate of the H-shaped steel, the lower clamping plate and the upper clamping plate are connected through a threaded connecting piece 13, and the threaded connecting piece in the embodiment is a bolt-nut assembly; a second adjusting groove 14 is further formed in the lower clamping plate, and the length direction of the second adjusting groove is perpendicular to that of the first adjusting groove; and a bolt 15 used for being connected with a support of the axial flow fan is arranged in the second adjusting groove. In the embodiment, each longitudinal guide rail 8 consists of two U-shaped channel steels, a third adjusting groove for adjusting the installation position of the transverse guide rail is formed between the two U-shaped channel steels, and a base plate 16 is arranged in the third adjusting groove; the bottom welding of H shape steel has connecting plate 17, backing plate and connecting plate pass through bolted connection.
In the process of initially mounting the axial flow fan on the movable support, the position of the transverse guide rail 9 can be adjusted along the longitudinal guide rail 8, so that the distance between the transverse guide rails is matched with the distance between the supports 18 of the axial flow fan 1, after the axial flow fan is hung on the transverse guide rail, the position of the lower clamping plate can be adjusted along the first adjusting groove 10, the second adjusting groove 14 can be adjusted to the position below the connecting hole in the support of the axial flow fan, and the position of the bolt 15 for connecting the lower clamping plate and the support of the axial flow fan can be adjusted along the second adjusting groove, so that the bolt can quickly penetrate into the connecting hole in the support of the axial flow fan; therefore, the movable support in the embodiment can be used for quickly positioning and installing the axial flow fan, the installation efficiency of the axial flow fan can be improved, and the installation difficulty of the axial flow fan is reduced; and because the adjustable characteristic of movable support for it can adapt to the axial fan of installing different models, has improved its commonality.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (1)
1. The utility model provides a movable main blower for tunnel formula ventilation, includes axial fan, its characterized in that: the hydraulic lifting device is characterized by also comprising a movable rack, wherein wheels, hydraulic support legs for supporting and lifting the movable rack and telescopic mechanical legs for supporting the movable rack are arranged at the bottom of the movable rack; the height of the telescopic mechanical leg in the stretching state is shorter than that of the hydraulic leg in the stretching state; the lower end of the telescopic mechanical leg is higher than the lower edge of the wheel in a furled state;
the telescopic mechanical legs comprise upper legs, lower legs hinged to the lower ends of the upper legs and rectangular pipe sleeves sleeved on the upper legs in a vertically sliding mode, the upper legs are composed of two vertical plates arranged in parallel, and the lower legs can be folded between the two vertical plates in a rotating mode along a hinge shaft; a U-shaped groove which is in sliding fit with the end part of the hinge shaft is arranged on the side surface of the rectangular pipe sleeve;
the movable rack comprises a horizontal rack body, a supporting plate fixedly connected to the top surface of the horizontal rack body, a longitudinal guide rail horizontally fixed on the supporting plate, and transverse guide rails fixed on the longitudinal guide rail and adjustable in fixed position along the longitudinal guide rail, wherein each transverse guide rail is composed of two H-shaped steels; a first adjusting groove is formed between the two H-shaped steels, a lower clamping plate is arranged in the first adjusting groove and leans against the bottom surfaces of wing plates of the H-shaped steels, an upper clamping plate is arranged on the top surfaces of the wing plates of the H-shaped steels, and the lower clamping plate is connected with the upper clamping plate through a threaded connecting piece; the lower clamping plate is also provided with a second adjusting groove, and the length direction of the second adjusting groove is vertical to that of the first adjusting groove; and a bolt used for being connected with a support of the axial flow fan is arranged in the second adjusting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451851.0A CN110145480B (en) | 2019-05-28 | 2019-05-28 | Movable main ventilator for tunnel type ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451851.0A CN110145480B (en) | 2019-05-28 | 2019-05-28 | Movable main ventilator for tunnel type ventilation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145480A CN110145480A (en) | 2019-08-20 |
| CN110145480B true CN110145480B (en) | 2021-03-02 |
Family
ID=67593353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910451851.0A Active CN110145480B (en) | 2019-05-28 | 2019-05-28 | Movable main ventilator for tunnel type ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145480B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477085B (en) * | 2020-04-21 | 2022-04-01 | 合肥工业大学 | Fire burning and pollutant cross flow measuring system of branch tunnel group |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2458287A1 (en) * | 1974-12-10 | 1976-06-16 | Munz Geb Lobenberg Brigitte | Multi-purpose support frame construction - has C-shaped members with extensions to support feet and reinforcing struts |
| US4572474A (en) * | 1983-03-05 | 1986-02-25 | Klein, Schanzlin & Becker Aktiengesellschaft | Mounting assembly for machines |
| CN205292587U (en) * | 2015-11-27 | 2016-06-08 | 深圳市招科智控科技有限公司 | Take telescopic leg's automated guided transporting vehicle |
| CN206704325U (en) * | 2017-04-26 | 2017-12-05 | 成都雅骏新能源汽车科技股份有限公司 | The driver's cabin adjustable support bar assembly and its support bar of a kind of sample car |
| CN206727932U (en) * | 2017-04-25 | 2017-12-08 | 福建省向宝能源科技有限公司 | A kind of mounting structure of solar panels |
| CN208123104U (en) * | 2018-04-24 | 2018-11-20 | 西安科技大学 | A kind of safety of coal mines ventilation blower |
| CN109099276A (en) * | 2018-10-19 | 2018-12-28 | 王志德 | A kind of machinery support frame |
| CN208441884U (en) * | 2018-06-27 | 2019-01-29 | 罗方武 | A kind of ventilation equipment of constructing tunnel |
| CN208594959U (en) * | 2018-08-31 | 2019-03-12 | 陈雄 | A kind of ventilation device in tunnel |
| CN208778031U (en) * | 2018-07-20 | 2019-04-23 | 琚宏兴 | A kind of coalmine ventilation device |
-
2019
- 2019-05-28 CN CN201910451851.0A patent/CN110145480B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2458287A1 (en) * | 1974-12-10 | 1976-06-16 | Munz Geb Lobenberg Brigitte | Multi-purpose support frame construction - has C-shaped members with extensions to support feet and reinforcing struts |
| US4572474A (en) * | 1983-03-05 | 1986-02-25 | Klein, Schanzlin & Becker Aktiengesellschaft | Mounting assembly for machines |
| CN205292587U (en) * | 2015-11-27 | 2016-06-08 | 深圳市招科智控科技有限公司 | Take telescopic leg's automated guided transporting vehicle |
| CN206727932U (en) * | 2017-04-25 | 2017-12-08 | 福建省向宝能源科技有限公司 | A kind of mounting structure of solar panels |
| CN206704325U (en) * | 2017-04-26 | 2017-12-05 | 成都雅骏新能源汽车科技股份有限公司 | The driver's cabin adjustable support bar assembly and its support bar of a kind of sample car |
| CN208123104U (en) * | 2018-04-24 | 2018-11-20 | 西安科技大学 | A kind of safety of coal mines ventilation blower |
| CN208441884U (en) * | 2018-06-27 | 2019-01-29 | 罗方武 | A kind of ventilation equipment of constructing tunnel |
| CN208778031U (en) * | 2018-07-20 | 2019-04-23 | 琚宏兴 | A kind of coalmine ventilation device |
| CN208594959U (en) * | 2018-08-31 | 2019-03-12 | 陈雄 | A kind of ventilation device in tunnel |
| CN109099276A (en) * | 2018-10-19 | 2018-12-28 | 王志德 | A kind of machinery support frame |
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| Publication number | Publication date |
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| CN110145480A (en) | 2019-08-20 |
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