CN217441880U

CN217441880U - Ventilation and noise reduction device for underground fire engineering

Info

Publication number: CN217441880U
Application number: CN202123198343.8U
Authority: CN
Inventors: 吕青凯; 黄丽民; 郝新亮; 橄鹏飞; 蒋博
Original assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Current assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-09-16
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of underground fire engineering construction, in particular to a ventilation and noise reduction device for underground fire engineering, which comprises a fan for ventilation, wherein the bottom of the fan is fixedly provided with a movable base which is in contact with the ground and is used for moving the fan, four noise reduction components which are distributed from top to bottom and used for noise reduction are fixedly arranged in the outlet end of the fan, the noise reduction component comprises a cross rod and a noise reduction baffle plate, the cross rod can be smoothly placed into two corresponding mounting grooves in a horizontal state, connecting blocks arranged at the two ends of the cross rod are respectively fixed on the outer wall of the fan through two bolts, the connection and fixation work between the connecting block and the cross rod and the fan is completed, the purposes of rapidly assembling and disassembling the noise reduction component are achieved, and the regular cleaning and maintenance work of the noise reduction component is convenient to be carried out, the working efficiency is high, and the using effect of the device is strong.

Description

Ventilation and noise reduction device for underground fire engineering

Technical Field

The utility model belongs to the technical field of underground fire engineering construction, concretely relates to ventilation that can be used to underground fire engineering falls device of making an uproar.

Background

Underground engineering refers to underground civil engineering, underground houses, underground railways, underground tunnels, underground garages, underground street crossing channels and the like which are deep under the ground and built for developing and utilizing underground space resources, the underground engineering also needs to be built underground during the construction process, the underground fire engineering can ensure the safety during the construction process of the underground engineering and the use process after the construction, and the underground fire engineering can reduce the pollution of construction environment and noise by using a ventilation and noise reduction device during the construction process so as to ensure the construction safety.

SUMMERY OF THE UTILITY MODEL

At present generally adopt the fan of making an uproar to fall to carry out the ventilation of underground fire engineering construction in-process and fall and make an uproar, work of making an uproar falls through installing the inside round hole type sound barrier panel in fan exit end, the barrier panel is fixed inside the exit end of fan, and the barrier panel gos deep into the inside of fan exit end, the dismouting work that operating personnel can't nimble efficient carry out the barrier panel, so that carry out the periodic cleaning and the maintenance work of barrier panel, operating personnel's work load has been increased, the result of use and the work efficiency of device have been reduced. The utility model provides a ventilation that can be used to secret fire engineering falls device of making an uproar has that operating personnel can carry out the dismouting work of protective screen panel by nimble efficient, conveniently carries out the periodic cleaning and the maintenance work of overhauing of protective screen panel, and work efficiency is high, the strong characteristics of result of use of device.

The utility model provides a following technical scheme: including the fan that is used for carrying out the work of ventilating, the fan bottom has set firmly contact ground and is used for fan shift position's removal base, fan exit end inside sets firmly four from top to bottom distributions and is used for carrying on the subassembly of making an uproar that falls of work of making an uproar, it all sets firmly to fall the subassembly both ends of making an uproar and be located the fan outside is used for connecting the connecting block of fan, threaded connection has two longitudinal symmetry to distribute on the connecting block lateral wall and is used for connecting the bolt of fan.

The noise reduction assembly comprises a cross rod and a noise reduction barrier plate, and the noise reduction barrier plate is fixedly connected to the outer wall of the cross rod and used for noise reduction.

Eight bilateral symmetry distributions are arranged on the outer wall of the fan outlet end and used for placing four mounting grooves of the cross rods, and the cross rods are connected to the two corresponding mounting grooves in the horizontal state in a clamping mode.

Wherein, both ends of the cross rod all outwards extend to the outside of the fan.

The connecting block is characterized in that the inner side wall of the connecting block is provided with a connecting groove used for accommodating the end part of the corresponding cross rod, and the two ends of the cross rod are respectively and rotatably connected to the two ends of the corresponding cross rod and are arranged in the connecting groove on the inner side wall of the connecting block.

The outer wall of the outlet end of the fan is provided with a plurality of fixing holes which are respectively positioned above and below the eight mounting grooves and used for being matched with the bolts, and the bolts are fixed with the corresponding fixing holes in a threaded connection mode.

The mounting groove is provided with four fixing holes which are distributed linearly, wherein the four fixing holes are arranged above and below the mounting groove, and the fixing holes above the mounting groove and the fixing holes below the mounting groove are in a symmetrical state.

Wherein, the connecting block inside wall has the cambered surface that is used for contacting the fan outer wall.

The utility model has the advantages that:

1. in the utility model, the noise reduction component composed of a cross bar and a noise reduction barrier plate is arranged, eight mounting grooves which are symmetrically distributed left and right are arranged on the outer wall of the outlet end of the fan, the cross bar can be smoothly placed into the two corresponding mounting grooves which are in a horizontal state, the connecting blocks arranged at the two ends of the cross bar are respectively fixed on the outer wall of the fan through two bolts, the connection and fixation work between the connecting blocks and the cross bar and the fan is completed, an operator can take off the bolts and pull the two connecting blocks outwards to take out the noise reduction component from the outlet end of the fan, the operation is simple, the disassembly and assembly work between the connecting blocks and the noise reduction component and the fan is convenient, the aim of quickly assembling and disassembling the noise reduction component is achieved, the operator can flexibly and efficiently carry out the disassembly and assembly work between the noise reduction component and the fan, the regular cleaning and maintenance work of the noise reduction component is convenient, the working efficiency is high, and the using effect of the device is strong.

2. In the utility model, a plurality of fixing holes respectively positioned above and below eight mounting grooves are arranged on the outer wall of the outlet end of the fan, four fixing holes which are linearly and symmetrically distributed are arranged above and below the mounting grooves, therefore, the position adjustment and the fixing work of the noise reduction component can be carried out through the matching of the bolt and the fixing holes at different positions, and the four noise reduction components are of independent structures, each noise reduction component can independently carry out position adjustment and fixing work, two ends of the cross rod are respectively and rotatably connected inside the connecting grooves on the two corresponding connecting blocks, under the effect of horizontal pole, can change the angle of the shield board of making an uproar, then carry out the angle fixing work through the connecting block that supports tight fan outer wall, easy operation has reached the purpose of adjusting the subassembly position of making an uproar and angle of making an uproar in a flexible way, can realize the control work of the amount of wind, has strengthened the result of use of device.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective sectional view of the present invention;

fig. 3 is a schematic view of the split structure of the present invention;

fig. 4 is the combined structure schematic diagram of the middle noise reduction assembly and the connecting block of the present invention.

In the figure: 1. a fan; 11. mounting grooves; 12. a fixing hole; 2. moving the base; 3. a noise reduction assembly; 31. a cross bar; 32. a noise reduction barrier panel; 4. connecting blocks; 41. connecting grooves; 42. a cambered surface; 5. and (4) bolts.

Detailed Description

Referring to fig. 1-4, the present invention provides the following technical solutions: including the fan 1 that is used for carrying out the work of ventilating, 1 bottom of fan sets firmly contact ground and is used for the removal base 2 of 1 shift position of fan, 1 exit end inside of fan sets firmly four and distributes from top to bottom and is used for carrying on the noise reduction subassembly 3 of making an uproar, the 3 both ends of noise reduction subassembly all set firmly the connecting block 4 that is located the fan 1 outside and is used for connecting fan 1, threaded connection has two upper and lower symmetric distributions and is used for connecting the bolt 5 of fan 1 on the 4 lateral walls of connecting block.

In this embodiment: fan 1 is used for carrying out the ventilation of underground fire control engineering construction in-process and falls and make an uproar, and removal base 2 is installed to the bottom of fan 1, removes base 2 and comprises underframe frame and four universal wheels, consequently can realize fan 1's removal work through removing base 2, can remove the device to different positions, and the flexibility and the result of use that the device used are strong.

Fan 1's exit end internally mounted has four by horizontal pole 31 and the noise reduction subassembly 3 of making an uproar screen board 32 constitution, four noise reduction subassemblies 3 distribute from top to bottom, horizontal pole 31 all adopts stainless steel material to make with noise reduction screen board 32, the holistic structural strength of noise reduction subassembly 3 is high, set up eight bilateral symmetry distribution's mounting groove 11 on the outer wall of fan 1 exit end, horizontal pole 31 passes through the open end of mounting groove 11 intercommunication fan 1 exit end, can pass in and out two mounting groove 11 insides that are in the correspondence of horizontality smoothly, horizontal pole 31 business turn over mounting groove 11's smoothness nature is high.

Both ends of the cross rod 31 extend outwards to the outside of the fan 1, and both ends of the cross rod 31 are respectively rotatably connected inside the connecting grooves 41 on the inner side walls of the two corresponding connecting blocks 4, so that after the cross rod 31 is placed inside the two corresponding mounting grooves 11, the two connecting blocks 4 at both ends of the cross rod 31 contact the outer wall of the fan 1 and move inwards along the outer wall of the fan 1, after the noise reduction assembly 3 is moved to a specified position, the connecting blocks 4 are fixed on the outer wall of the fan 1 through the matching of the two bolts 5 on the connecting blocks 4 and the corresponding fixing holes 12 on the outer wall of the outlet end of the fan 1, the connection and fixing work between the connecting blocks 4 and the noise reduction assembly 3 and the fan 1 is completed, the assembly efficiency is high, an operator rotates the bolts 5 outwards, after the bolts 5 are separated from the corresponding fixing holes 12, the two connecting blocks 4 are pulled outwards to take the noise reduction assembly 3 out of the outlet end of the fan 1, easy operation, conveniently carry out the dismouting work between connecting block 4 and noise reduction assembly 3 and fan 1, operating personnel can accomplish noise reduction assembly 3's dismouting work in fan 1's outside, reached fast assembly and dismantled noise reduction assembly 3's purpose, in the use, operating personnel can fall noise assembly 3 and fan 1's dismouting work by nimble efficient, conveniently carry out noise reduction assembly 3's periodic cleaning and maintenance work, high work efficiency, the result of use of device is strong.

The inside wall of connecting block 4 has cambered surface 42, and cambered surface 42 can make connecting block 4 better with the outer wall contact of fan 1 to paste the outer wall removal of fan 1, strengthened connecting block 4's result of use.

The outer wall of the outlet end of the fan 1 is provided with a plurality of fixing holes 12 respectively positioned above and below eight mounting grooves 11, the upper part and the lower part of each mounting groove 11 are respectively provided with four fixing holes 12 which are linearly distributed, and the fixing holes 12 above the mounting grooves 11 and the fixing holes 12 below are in a symmetrical state, so that the noise reduction components 3 can be mounted and fixed at different positions inside the outlet end of the fan 1 by matching bolts 5 with the fixing holes 12 at different positions, the position adjustment and the fixing work of the noise reduction components 3 are realized, the four noise reduction components 3 are of an independent structure, each noise reduction component 3 can independently perform the position adjustment and the fixing work, two ends of a cross rod 31 are respectively and rotatably connected inside connecting grooves 41 on two corresponding connecting blocks 4, the angle of the noise reduction shield plate 32 can be changed under the action of the cross rod 31, and then the position angle fixing work is performed through the connecting blocks 4 which are tightly abutted and fixed on the outer wall of the fan 1, the device is simple to operate, the purpose of flexibly adjusting the position and the angle of the noise reduction assembly 3 is achieved, the control work of the air quantity can be realized, and the using effect of the device is enhanced.

The utility model discloses a theory of operation and use flow: during operation, put into two mounting grooves 11 that correspond inside with horizontal pole 31, inwards promote two connecting blocks 4 and adjust the position of falling the noise screen board 32 in fan 1 exit end inside, after adjusting, rotate bolt 5 on two connecting blocks 4 in proper order, bolt 5 enters into the inside back of corresponding fixed orifices 12, it fixes at appointed position to fall the subassembly 3 of making an uproar, then install fixed remaining three and fall the subassembly 3 of making an uproar in proper order, after the equipment is accomplished, promote fan 1 and come fan 1 to remove appointed region, start fan 1 and carry out the work of ventilating, the work of making an uproar falls in the cooperation of four subassembly 3 of making an uproar, high work efficiency, the result of use and the flexibility of device are strong.

Claims

1. The utility model provides a ventilation noise reduction device that can be used to secret fire engineering which characterized in that: including the fan that is used for carrying out the work of ventilating, the fan bottom has set firmly contact ground and is used for fan shift position's removal base, fan exit end inside sets firmly four from top to bottom distributions and is used for carrying on the subassembly of making an uproar that falls of work of making an uproar, it all sets firmly to fall the subassembly both ends of making an uproar and be located the fan outside is used for connecting the connecting block of fan, threaded connection has two longitudinal symmetry to distribute on the connecting block lateral wall and is used for connecting the bolt of fan.

2. A ventilation and noise reduction device for underground fire-fighting projects, according to claim 1, characterized in that: the noise reduction assembly comprises a cross rod and a noise reduction barrier plate, and the noise reduction barrier plate is fixedly connected to the outer wall of the cross rod and used for noise reduction.

3. A ventilation and noise reduction device for underground fire-fighting engineering according to claim 2, characterized in that: eight bilateral symmetry distributions are seted up to the outer wall of fan exit end and are used for placing four the mounting groove of horizontal pole, the horizontal pole block is connected two correspondences that are in the horizontality inside the mounting groove.

4. A ventilation and noise reduction device for underground fire-fighting engineering according to claim 2, characterized in that: both ends of the cross rod extend outwards to the outside of the fan.

5. A ventilation and noise reduction device for underground fire-fighting engineering according to claim 2, characterized in that: the connecting block inside wall is provided with a connecting groove used for accommodating and corresponding to the end part of the cross rod, and the two ends of the cross rod are respectively and rotatably connected to the two ends of the cross rod and correspond to the two ends of the connecting block inside wall inside the connecting groove.

6. A ventilation and noise reduction device for underground fire-fighting projects, according to claim 3, characterized in that: the outer wall of the fan outlet end is provided with a plurality of fixing holes which are respectively positioned above and below the eight mounting grooves and used for matching with the bolts, and the bolts are fixed with the corresponding fixing holes in a threaded connection mode.

7. A ventilation and noise reduction device for underground fire-fighting engineering according to claim 6, characterized in that: the mounting groove top all has four to be sharp distribution with the below the fixed orifices, the mounting groove top the fixed orifices is in the symmetric state with the below the fixed orifices.

8. A ventilation and noise reduction device for underground fire-fighting projects, according to claim 1, characterized in that: the inner side wall of the connecting block is provided with an arc surface used for contacting the outer wall of the fan.