CN212958714U - Ground fan support for tunnel ventilation test and tunnel entity test field - Google Patents
Ground fan support for tunnel ventilation test and tunnel entity test field Download PDFInfo
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- CN212958714U CN212958714U CN202021746031.9U CN202021746031U CN212958714U CN 212958714 U CN212958714 U CN 212958714U CN 202021746031 U CN202021746031 U CN 202021746031U CN 212958714 U CN212958714 U CN 212958714U
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Abstract
The utility model relates to a tunnel entity ventilation test field, more specifically relates to a tunnel ventilation is ground fan support and tunnel entity test field for experiment. A tunnel ventilation is experimental with ground fan support and tunnel entity test field include portable support chassis, lift driving system, fan mounting platform, lift driving system installs in portable support chassis top, fan mounting platform installs in the lift driving system top, simultaneously, fan mounting platform is used for installing the fan and makes the fan have a fixed orientation, portable support chassis moving direction is parallel with the fan orientation. The utility model discloses a tunnel ventilation is experimental with ground fan support can help tunnel entity ventilation experimental effective expansion, thereby factor such as position, altitude variation through changing fan orientation and position research fan is to the influence of tunnel ventilation, energy-conservation etc.
Description
Technical Field
The utility model relates to a tunnel entity ventilation test field, more specifically relates to a tunnel ventilation is ground fan support and tunnel entity test field for experiment.
Background
After the tunnel leads to the car operation, can discharge toxic gas after the vehicle petrol burning through the tunnel, like carbon monoxide etc. still can produce the raise dust in the tunnel simultaneously for multiple solid particle is being suspended in the air. With the increase of the operation time of the tunnel, the concentration of various harmful gases and suspended particulate matters in the tunnel is higher and higher, and when the concentration exceeds a certain index, the driving safety of the vehicles passing through the tunnel is seriously threatened.
Tunnel ventilation usually adopts the arch to hang and establishes the efflux fan and carry out vertical exhaust, because fan power is great for tunnel operation cost is higher. The opening time, the opening number, the opening position and the like of the fans in the tunnel are main factors influencing the ventilation effect of the tunnel, and the development of the tunnel ventilation research has great social value and economic value.
The tunnel ventilation test still is relatively less about simulating different fan positions, altitude variation etc. and studying its relevant research to tunnel ventilation, energy-conserving etc.'s influence in the present tunnel ventilation test, and it is great to develop the experimental degree of difficulty of tunnel entity ventilation, and concrete reason is: on the one hand, the entity tunnel of the experimental research is lacked, and on the other hand, the entity tunnel fan is fixed during the operation period, so that various working conditions required by the simulation test are difficult to simulate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming above-mentioned prior art's at least one defect (not enough), provide a tunnel ventilation is experimental with ground fan support and tunnel entity test field for solve tunnel entity ventilation test and develop the problem that the degree of difficulty is big.
The utility model provides a technical scheme who takes, a tunnel ventilation is ground fan support for experiment, including portable support chassis, lift driving system, fan mounting platform, lift driving system installs in portable support chassis top, fan mounting platform installs in lift driving system top, fan mounting platform is used for installing the fan and makes the fan have a fixed orientation, portable support chassis moving direction is parallel with the fan orientation. The ground fan support for the tunnel ventilation test can help a fan move and lift in an entity tunnel in multiple directions, helps the tunnel entity ventilation test to simulate the position and height change of the fan, and researches the influence of the ground fan support on tunnel ventilation, energy conservation and the like, so that the tunnel entity ventilation test is smoothly carried out. Meanwhile, the orientation of the fan is fixed and is parallel to the moving direction of the movable support chassis, when the tunnel entity ventilation test is carried out, the orientation of the fan in the tunnel can be directly controlled by controlling the moving direction of the movable support chassis, the orientation of the fan can be obtained by recording the moving direction of the movable support chassis, and the study on the influence of different fan orientations on tunnel ventilation, energy conservation and the like is facilitated.
Furthermore, the movable support chassis is a wheel type chassis, two rows of wheels which are arranged in parallel and have directional movement are arranged below the movable support chassis, and supporting force is provided for the lifting power system and the fan mounting platform. The movable support chassis can enable a lifting power system and a fan mounting platform mounted on the movable support chassis and a fan mounted on the fan mounting platform to move and lift in multiple directions, and is beneficial to development of tunnel entity ventilation tests and research on influences of different fan positions on tunnel ventilation, energy conservation and the like.
Furthermore, a control box is arranged on the movable support chassis; the control box is in control connection with the lifting power system; the control box is at least provided with a control switch, a first control button, a second control button and a third control button, and the first control button, the second control button and the third control button respectively control the lifting power system to ascend, descend and pause. The setting of control box can help the user to control the motion of lift driving system conveniently fast, and the user only need press corresponding control switch or control button, just can start the lift driving system and make it rise, descend or suspend in order to reach the experimental height that a certain tunnel entity ventilation test needs and maintain on this height, does benefit to the experimenter and studies the position of different fans, highly to the influence in tunnel ventilation, energy-conservation etc. in tunnel entity ventilation test.
Further, the lifting power system comprises at least two hydraulic lifting mechanisms, and the at least two hydraulic lifting mechanisms are arranged in a stacked mode. The hydraulic lifting mechanism provides power for the lifting power system to enable the lifting power system to move up and down or pause at a certain height, so that the lifting power system can reach the test height required by a ventilation test of a certain tunnel entity and be maintained at the test height. When the weight of the fan is small and the lifting power system does not need to provide large supporting force for the fan mounting platform, only one hydraulic lifting mechanism can be mounted on the lifting power system; when the weight of the fan is large and the lifting power system needs to provide larger supporting force for the fan mounting platform, two or more stacked hydraulic lifting mechanisms should be mounted on the lifting power system to provide larger power for the lifting power system, so that the lifting power system can be lifted, lowered or suspended more stably.
And the movable support chassis is rotatably connected with the movable support chassis through a connecting support arranged on the movable support chassis. Furthermore, one end of the movement control mechanism rotates left and right around the connecting support, and the other end of the movement control mechanism is connected with other moving vehicles. Other vehicles such as engineering vehicles or ordinary vehicles can drag the ground fan support for the tunnel ventilation test through the mobile control mechanism, so that the ground fan support can move more quickly, and the efficiency of the tunnel entity ventilation test is improved. Meanwhile, the movement control mechanism is rotatably connected to the connecting support of the movable support chassis, so that the movable support chassis can move more stably.
Furthermore, the lifting type movable support device also comprises a lifting controllable support device, and the controllable support device is connected with the movable support chassis. The controllable supporting device can provide supporting force for the movable support chassis, so that the movable support chassis stably stays at a position required by a fan in a tunnel entity ventilation test, and the movable support chassis is prevented from sliding.
Further, the device also comprises a fan positioning adjusting device and/or a bracket; the fan positioning adjusting device and/or the bracket are/is arranged on the fan mounting platform. The fan positioning adjusting device and/or the support can fix the fan at a certain position on the fan mounting platform, and the accuracy of the position of the fan is guaranteed.
In order to solve the defects of the prior art, the utility model also provides a tunnel entity test field, which comprises the above-mentioned ground fan bracket for tunnel ventilation test and a fan; the fan is fixedly installed on a fan installation platform of the ground fan support for the tunnel ventilation test, and the direction of the fan is parallel to the moving direction of the movable support chassis. The tunnel entity test field can be used for developing a tunnel entity ventilation test so as to simulate the position and height change of a fan in a tunnel entity and research the influence of the fan on tunnel ventilation, energy conservation and the like.
Further, the device also comprises a fan positioning adjusting device and/or a bracket; the fan positioning adjusting device and/or the bracket are/is arranged on the fan mounting platform; the fan is positioned and installed on the fan installation platform through the fan positioning adjusting device and/or the support. The fan positioning adjusting device and/or the bracket can enable the fan to be fixedly arranged at a fixed position of the fan mounting platform, and enable the fan to face the same direction as the moving direction of the movable bracket chassis.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can help tunnel entity ventilation test effectively develop to influence to tunnel ventilation, energy-conservation etc. such as simulate different fan position, altitude variation in the tunnel entity provides the condition for the tunnel ventilation research.
Drawings
Fig. 1 is the utility model discloses a ground fan support elevation for tunnel ventilation test.
Figure 2 is the utility model discloses a ground fan support side view is used in tunnel ventilation test.
Wherein, the reference numbers in fig. 1 and fig. 2 are respectively: 1. a movable support chassis; 2. a lifting power system; 3. a fan mounting platform; 4. directionally moving the wheels; 5. a control box; 6. a hydraulic lifting mechanism; 7. a movement control mechanism; 8. a controllable support device; 9. a fan positioning adjustment device; 10. a support; 11. a fan.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1 and fig. 2, the embodiment is a ground fan support for tunnel ventilation test, and the ground fan support comprises a movable support chassis 1, a lifting power system 2, and a fan mounting platform 3, wherein the lifting power system 2 is mounted above the movable support chassis 1, the fan mounting platform 3 is mounted above the lifting power system 2, the fan mounting platform 3 is used for mounting a fan 11 and enabling the fan 11 to have a fixed orientation, and the moving direction of the movable support chassis 1 is parallel to the orientation of the fan 11. The ground fan support for the tunnel ventilation test can help the fan 11 to move and lift in multiple directions in the solid tunnel, help the tunnel solid ventilation test to simulate different fan positions, height changes and the like, and study the influence of the ground fan support on tunnel ventilation, energy conservation and the like, so that the tunnel solid ventilation test can be smoothly carried out. Meanwhile, the fan 11 faces to be fixed and is parallel to the moving direction of the movable support chassis 1, when the tunnel entity ventilation test is carried out, the direction of the fan 11 in the tunnel can be controlled directly by controlling the moving direction of the movable support chassis 1, the direction of the fan 11 can be obtained by recording the moving direction of the movable support chassis 1, and the research on the influence of different fan directions on tunnel ventilation, energy conservation and the like is facilitated.
Meanwhile, the lifting power system 2 can be a scissor type lifting frame or other devices capable of moving up and down or stretching.
Further, the movable support chassis 1 can be a wheel type chassis, and two rows of wheels 4 which are arranged in parallel and have directional movement are arranged below the movable support chassis, so that supporting force is provided for the lifting power system 2 and the fan mounting platform 3. The movable support chassis 1 can enable the lifting power system 2 and the fan mounting platform 3 mounted on the movable support chassis and the fan 11 mounted on the fan mounting platform 3 to move and lift in multiple directions, and development of tunnel entity ventilation tests is facilitated.
Further, a control box 5 is arranged on the movable support chassis 1; the control box 5 is in control connection with the lifting power system 2; the control box 5 is at least provided with a control switch, a first control button, a second control button and a third control button, and the first control button, the second control button and the third control button respectively control the ascending, descending and pause of the lifting power system. The setting of control box 5 can help the user to conveniently control the motion of lift driving system 2 fast, and the user only need press corresponding control switch or control button, just can start lift driving system 2 and make its rise, descend or pause in order to reach the required experimental height of a certain tunnel entity ventilation test and maintain on this height, does benefit to experimenter simulation different fan's position, height etc. and research its influence to tunnel ventilation, energy-conservation etc. in tunnel entity ventilation test.
Further, the lifting power system comprises at least two hydraulic lifting mechanisms 6, and the at least two hydraulic lifting mechanisms 6 are arranged in a stacked mode. The hydraulic lifting mechanism 6 provides power for the lifting power system 2 and enables the lifting power system 2 to move up and down or pause at a certain height, so that the lifting power system 2 can reach a test height required by a ventilation test of a certain tunnel entity and be maintained at the test height. When the weight of the fan is small and the lifting power system does not need to provide large supporting force for the fan mounting platform, only one hydraulic lifting mechanism 6 can be mounted on the lifting power system 2; when the weight of the fan is large and the lifting power system needs to provide a larger supporting force for the fan mounting platform 3, two or more stacked hydraulic lifting mechanisms 6 should be mounted on the lifting power system 2, and when the lifting power system ascends or descends, the two or more hydraulic lifting mechanisms 6 will expand or contract in the same direction to provide a larger power for the lifting power system, so that the lifting power system can be lifted, descended or suspended more stably.
Further, the vehicle-mounted mobile support further comprises a mobile control mechanism 7 connected with other vehicles, and the mobile control mechanism 7 is rotatably connected with the movable support chassis 1 through a connecting support arranged on the movable support chassis 1. Further, one end of the movement control mechanism 7 rotates left and right around the connecting support, and the other end of the movement control mechanism is connected with other moving vehicles. Other vehicles such as engineering vehicles or ordinary vehicles can drag the ground fan support for the tunnel ventilation test through the mobile control mechanism 7, so that the ground fan support can move more quickly in the tunnel, and the efficiency of the tunnel entity ventilation test is improved. Meanwhile, the movement control mechanism 7 is rotatably connected to the connecting support of the movable support chassis 1, so that the movement process of the movable support chassis 1 is more stable. The movement control mechanism 7 can be a trailer rod or a trailer chain or the like.
Further, the lifting type movable support device further comprises a lifting controllable supporting device 8, and the controllable supporting device 8 is connected with the movable support chassis 1. The controllable supporting device 8 can provide supporting force for the movable support chassis 1, so that the movable support chassis 1 can stably stay at a position required by a fan 11 in a tunnel entity ventilation test, and the movable support chassis 1 is prevented from sliding.
Further, the device also comprises a fan positioning adjusting device 9 and/or a bracket 10; the fan positioning adjustment device 9 and/or the bracket are/is mounted on the fan mounting platform 3. The fan positioning adjusting device 9 and/or the bracket 10 can fix the fan 11 at a certain position on the fan mounting platform 3, so that the accuracy of the position of the fan 11 is ensured.
Example 2
As shown in fig. 1 and fig. 2, the present embodiment is a tunnel entity test field, including a ground fan bracket for tunnel ventilation test and a fan 11 as described in embodiment 1; the fan 11 is fixedly arranged on a fan mounting platform 3 of the ground fan support for the tunnel ventilation test, and the direction of the fan is parallel to the moving direction of the movable support chassis 1.
Further, the device also comprises a fan positioning adjusting device 9 and/or a bracket 10; the fan positioning adjusting device 9 and/or the bracket 10 are/is arranged on the fan mounting platform; the fan 11 is positioned and installed on the fan installation platform 3 through the fan positioning adjusting device 9 and/or the bracket 10. The support 10 can fix the fan 11 on the fan mounting platform 3, and the fan 11 is prevented from shaking left and right in the moving process of the movable support chassis 1.
The tunnel entity test field is arranged at one end of a tunnel for carrying out a ventilation test, a device capable of changing the wind speed or the wind volume in the tunnel can be arranged at the other end of the tunnel, and the device can be a resistance mechanism capable of changing the local resistance of wind, such as a louver door with a controllable louver. For example, in a tunnel solid ventilation test, the opening and closing size of the blind window can be changed, so that the local resistance of the wind in the middle of the blind window can be changed, and the wind volume, the wind speed and other sizes of the position of the tunnel solid test field can be further changed, so that the factors such as the fan orientation, the fan position and the like under different wind speeds and wind volumes can be simulated, the influence of the factors on ventilation, energy conservation and the like can be researched, and the development of the tunnel solid ventilation test can be assisted.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A ground fan bracket for a tunnel ventilation test comprises a movable bracket chassis, a lifting power system and a fan mounting platform, wherein the lifting power system is arranged above the movable bracket chassis, the fan mounting platform is arranged above the lifting power system,
the fan mounting platform is used for mounting the fan and enabling the fan to have a fixed orientation,
the moving direction of the movable support chassis is parallel to the direction of the fan.
2. The ground fan support for the tunnel ventilation test is characterized in that the movable support chassis is a wheel type chassis, two rows of wheels which are arranged in parallel and are provided with directional movement are arranged below the movable support chassis, and supporting force is provided for a lifting power system and a fan mounting platform.
3. The ground fan bracket for the tunnel ventilation test is characterized in that,
a control box is arranged on the movable support chassis;
the control box is in control connection with the lifting power system;
the control box is at least provided with a control switch, a first control button, a second control button and a third control button, and the first control button, the second control button and the third control button respectively control the lifting power system to ascend, descend and pause.
4. The ground fan support for the tunnel ventilation test is characterized in that the lifting power system comprises at least two hydraulic lifting mechanisms, and the at least two hydraulic lifting mechanisms are arranged in a stacked mode.
5. The ground fan support for the tunnel ventilation test is characterized by further comprising a movement control mechanism connected with other vehicles, wherein the movement control mechanism is rotatably connected with the movable support chassis through a connecting support arranged on the movable support chassis.
6. The ground fan bracket for the tunnel ventilation test is characterized in that one end of the movement control mechanism rotates left and right around the connecting support, and the other end of the movement control mechanism is connected with other moving vehicles.
7. The ground fan support for the tunnel ventilation test is characterized by further comprising a controllable supporting device capable of ascending and descending, wherein the controllable supporting device is connected with the movable support chassis.
8. The ground fan support for the tunnel ventilation test according to any one of claims 1 to 3, further comprising:
a fan positioning adjustment device and/or a bracket;
the fan positioning adjusting device and/or the bracket are/is arranged on the fan mounting platform.
9. A tunnel entity test field, comprising:
a ground fan bracket and fan for tunnel ventilation test of any one of claims 1 to 8;
the fan is fixedly installed on a fan installation platform of the ground fan support for the tunnel ventilation test, and the direction of the fan is parallel to the moving direction of the movable support chassis.
10. A tunneling physical test site according to claim 9,
the device also comprises a fan positioning adjusting device and/or a bracket;
the fan positioning adjusting device and/or the bracket are/is arranged on the fan mounting platform;
the fan is positioned and installed on the fan installation platform through the fan positioning adjusting device and/or the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746031.9U CN212958714U (en) | 2020-08-19 | 2020-08-19 | Ground fan support for tunnel ventilation test and tunnel entity test field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746031.9U CN212958714U (en) | 2020-08-19 | 2020-08-19 | Ground fan support for tunnel ventilation test and tunnel entity test field |
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| CN212958714U true CN212958714U (en) | 2021-04-13 |
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| CN202021746031.9U Active CN212958714U (en) | 2020-08-19 | 2020-08-19 | Ground fan support for tunnel ventilation test and tunnel entity test field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982668A (en) * | 2021-10-22 | 2022-01-28 | 重庆交通大学 | Follow-up type system and method for pumping and exhausting harmful gas in tunnel |
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- 2020-08-19 CN CN202021746031.9U patent/CN212958714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982668A (en) * | 2021-10-22 | 2022-01-28 | 重庆交通大学 | Follow-up type system and method for pumping and exhausting harmful gas in tunnel |
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