CN211781762U

CN211781762U - Ventilation and noise reduction device for underground fire-fighting engineering

Info

Publication number: CN211781762U
Application number: CN201921961291.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-10-27
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to an underground ventilation system technical field, and an underground fire prevention engineering ventilation noise reduction device is disclosed, mounting panel including the level setting, the vertical mounting hole of having seted up of upper end center department of mounting panel, ventilation pipe on the inside fixedly connected with of mounting hole, the upper and lower both ends of going up the ventilation pipe all extend to the outside of mounting hole, the bottom of mounting panel is located the vertical lower ventilation pipe of the left and right sides department symmetry fixedly connected with of ventilation pipe, it has the connecting pipe to go up the left and right sides pipe wall lower extreme of ventilation pipe all with the pipe wall of two lower ventilation pipes between fixed intercommunication, the lower extreme of going up the ventilation pipe and the upper end of two lower ventilation pipes all seal the setting, the vertical division board of the middle. The utility model discloses not only can make a motor drive air inlet mechanism and air-out mechanism simultaneously, the cost is reduced can be convenient for carry out the dismouting to the biax motor when the maintenance moreover, and labour saving and time saving is efficient.

Description

Ventilation and noise reduction device for underground fire-fighting engineering

Technical Field

The utility model relates to an underground ventilation system technical field especially relates to an underground fire control engineering ventilation noise reduction device.

Background

Currently, along with technological progress, the attention level of people to safety in production is gradually improved. Underground places generally belong to places with high sealing degree, and ventilation and ambient temperature control systems are generally completed by heating ventilation and air conditioning equipment. For example, in places such as an underground electric machine room, an underground warehouse, an underground laboratory, an underground garage and the like, workers enter and exit, and the environmental safety is particularly important. If the ventilation is abnormal, pollutants are easily gathered in the underground machine room, the concentration of harmful gas is increased, and if a fire disaster occurs, smoke in an underground place is difficult to discharge to the outside, so that the ventilation and noise reduction device for the underground fire prevention project is necessary to be installed.

The ventilation and noise reduction device for the existing underground fire engineering is not convenient to disassemble and assemble when a motor fails, wastes time and labor, and is low in efficiency, so that the ventilation and noise reduction device for the underground fire-fighting engineering is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the motor is inconvenient to disassemble and assemble when the motor breaks down in the prior art, wastes time and energy and has low efficiency, and providing an underground fire-fighting engineering ventilation noise reduction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ventilation and noise reduction device for underground fire-fighting projects comprises a horizontally arranged mounting plate, wherein a mounting hole is vertically formed in the center of the upper end of the mounting plate, an upper ventilation pipe is fixedly connected inside the mounting hole, the upper end and the lower end of the upper ventilation pipe extend to the outside of the mounting hole, vertical lower ventilation pipes are symmetrically and fixedly connected to the left side and the right side of the upper ventilation pipe, the lower ends of the left side and the right side of the upper ventilation pipe are fixedly communicated with the pipe walls of the two lower ventilation pipes, the lower end of the upper ventilation pipe and the upper ends of the two lower ventilation pipes are sealed, a vertical partition plate is fixedly connected to the middle of the upper ventilation pipe, a horizontal fixing plate is fixedly connected to the lower end of the upper ventilation pipe, a fixing box is arranged on the lower side of the fixing plate, and a locking mechanism is arranged between the upper end, the fixed biax motor that is equipped with in inside of fixed case, two the lateral wall of the relative one side of ventilation pipe all sets up vertical bar logical groove with the position department of correspondence of biax motor down, two output shafts of biax motor all run through the inside wall of fixed case and pass in the bar hole extends to down the ventilation pipe, two the inside symmetry fixed connection of ventilation pipe has the horizontally bracing piece down, two the equal vertical through-hole of having seted up of upper end center department of bracing piece, two the inside of through-hole all rotates through antifriction bearing and is connected with the pivot, two the upper end of pivot extends to the outside and the fixed connection flabellum of through-hole, two be provided with drive mechanism between the lower extreme of pivot and the output shaft end of biax motor.

Preferably, the transmission mechanism comprises two gears and two crown gears, the two crown gears are respectively and fixedly connected with the lower ends of the two rotating shafts, the two gears are respectively and fixedly connected with the tail ends of two output shafts of the double-shaft motor, and the two gears are respectively and mutually meshed with the corresponding crown gears.

Preferably, the locking mechanism comprises two clamping rods, a spring, two pushing blocks, two conical blocks and two connecting rods, the left side and the right side of the bottom of the fixed plate are symmetrically provided with grooves, a sliding hole is horizontally formed between one opposite side groove walls of the two grooves, the two conical blocks are respectively arranged in the two grooves, the two connecting rods are respectively fixedly connected with the centers of the lower ends of the two conical blocks, the lower ends of the two connecting rods extend to the outside of the grooves and are fixedly connected with the upper end of the fixed box, the rod walls of the two clamping rods are respectively in sliding connection with the left side hole walls and the right side hole walls of the two sliding holes, the deviated ends of the two clamping rods extend to the lower sides of the two conical blocks, the left end and the right end of the spring are respectively fixedly connected with the opposite ends of the two clamping rods, the two pushing blocks are respectively fixedly connected with the opposite ends of the front side rod walls of the two clamping, a strip-shaped hole matched with the two pushing blocks is formed in the wall of the front side hole of the sliding hole, and the two ends, deviating from each other, of the clamping rods are arc-shaped.

Preferably, a filter screen is fixedly connected to an opening at the upper end of the upper vent pipe.

Preferably, two the pole wall upside symmetry fixedly connected with stopper of kelly, two the upside pore wall left and right sides of slide opening all is seted up with two stopper matched with spacing grooves.

Preferably, the inner side walls of the two lower ventilation pipes are provided with noise reduction layers.

Compared with the prior art, the utility model provides an underground fire control engineering ventilation noise reduction device possesses following beneficial effect:

1. this ventilation of underground fire control engineering falls device of making an uproar through the biax motor, gear, crown gear and the pivot that is equipped with, can make a motor drive air inlet mechanism and air-out mechanism simultaneously, the cost is reduced.

2. This ventilation of underground fire engineering falls device of making an uproar, through the locking mechanism who is equipped with, can be convenient for carry out the dismouting to the biax motor when the maintenance, labour saving and time saving is efficient.

The device does not involve the part all the same with prior art or can adopt prior art to realize, the utility model discloses not only can make a motor drive air inlet mechanism and air-out mechanism simultaneously, the cost is reduced can be convenient for moreover carry out the dismouting to the biax motor when the maintenance, labour saving and time saving is efficient.

Drawings

Fig. 1 is a schematic structural view of a ventilation and noise reduction device for an underground fire-fighting project, which is provided by the utility model;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a rotating shaft 1, a supporting rod 2, fan blades 3, a lower vent pipe 4, a mounting plate 5, a connecting pipe 6, an upper vent pipe 7, a filter screen 8, a partition plate 9, a fixed box 10, a double-shaft motor 11, a gear 12, a crown gear 13, a push block 14, a clamping rod 15, a fixed plate 16, a limiting block 17, a spring 18, a conical block 19 and a connecting rod 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a ventilation and noise reduction device for underground fire-fighting projects comprises a horizontally arranged mounting plate 5, wherein a mounting hole is vertically formed in the center of the upper end of the mounting plate 5, an upper ventilation pipe 7 is fixedly connected inside the mounting hole, the upper end and the lower end of the upper ventilation pipe 7 extend to the outside of the mounting hole, vertical lower ventilation pipes 4 are symmetrically and fixedly connected to the bottom of the mounting plate 5 at the left side and the right side of the upper ventilation pipe 7, connecting pipes 6 are fixedly communicated between the lower ends of the left side and the right side of the upper ventilation pipe 7 and the pipe walls of the two lower ventilation pipes 4, the lower end of the upper ventilation pipe 7 and the upper ends of the two lower ventilation pipes 4 are sealed, a vertical partition plate 9 is fixedly connected to the middle of the upper ventilation pipe 7, a horizontal fixing plate 16 is fixedly connected to the lower end of the upper ventilation pipe 7, a fixing box 10 is, a double-shaft motor 11 is fixedly arranged in the fixed box 10, the double-shaft motor 11 can be electrically connected with an external power supply through a control switch, vertical strip-shaped through grooves are respectively formed in the corresponding positions of the side walls of one opposite side of the two lower ventilating pipes 4 and the double-shaft motor 11, two output shafts of the double-shaft motor 11 penetrate through the inner side wall of the fixed box 10 and extend into the lower ventilating pipes 4 through strip-shaped holes, horizontal supporting rods 2 are symmetrically and fixedly connected to the inner parts of the two lower ventilating pipes 4, through holes are respectively vertically formed in the centers of the upper ends of the two supporting rods 2, rotating shafts 1 are respectively connected to the inner parts of the two through holes through rolling bearings in a rotating manner, the upper ends of the two rotating shafts 1 extend to the outer parts of the through holes and are fixedly connected with fan blades 3, a transmission mechanism is arranged between the lower ends, two crown gears 13 are respectively fixedly connected with the lower ends of two rotating shafts 1, two gears 12 are respectively fixedly connected with the tail ends of two output shafts of a double-shaft motor 11, the two gears 12 are respectively arranged in a mutually meshed way with the corresponding crown gears 13, the locking mechanism comprises two clamping rods 15, a spring 18, two push blocks 14, two conical blocks 19 and two connecting rods 20, the left side and the right side of the bottom of a fixed plate 16 are symmetrically provided with grooves, a sliding hole is horizontally arranged between the opposite side groove walls of the two grooves, the two conical blocks 19 are respectively arranged in the two grooves, the two connecting rods 20 are respectively fixedly connected with the centers of the lower ends of the two conical blocks 19, the lower ends of the two connecting rods 20 extend to the outside of the grooves and are fixedly connected with the upper end of a fixed box 10, the rod walls of the two clamping rods 15 are respectively connected with the left side hole walls and the right side hole walls of the two sliding holes in a sliding way, and the opposite ends of, spring 18 about both ends respectively with two kelly 15 relative one end fixed connection, two ejector pads 14 respectively with two kelly 15's the relative one end fixed connection of front side pole wall, the bar hole with two ejector pads 14 matched with is seted up to the front side hole wall of sliding hole, the upper end opening part fixedly connected with filter screen 8 of going up ventilation pipe 7, the reducible outside dust of filter screen 8 gets into in the underground fire control engineering, two kelly 15's pole wall upside symmetry fixedly connected with stopper 17, the upside pore wall left and right sides of two sliding holes all has been seted up with two stopper 17 matched with spacing grooves, stopper 17 can prevent that kelly and sliding hole from breaking away from, the one end that deviates from mutually of two kellies 15 is all established to arc, two conical blocks 19 that can be convenient for of convex kelly 15 promote, the inside wall of two lower ventilation pipes 4 all is provided with the layer of making an uproar, the layer of making an uproar.

The utility model discloses in, during the use, start double-shaft motor 11, two output rotations of double-shaft motor 11 drive two gears 12 and rotate, two gears 12 drive the crown gear 13 rotation that corresponds, two crown gears 13 drive flabellum 3 through the pivot and rotate towards opposite direction, can make a motor drive air inlet mechanism and air-out mechanism simultaneously, the cost is reduced, hold between the fingers two ejector pads 14 simultaneously with forefinger and thumb and make two ejector pads 14 drive two 15 extrusion springs of kelly 18, and two kelly 15 no longer with two 19 joints of conical block, can take off two fixed casees 10 this moment, can be convenient for carry out the dismouting to double-shaft motor 11 when the maintenance, labour saving and time saving is efficient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ventilation and noise reduction device for the underground fire-fighting project comprises a horizontally arranged mounting plate (5) and is characterized in that a mounting hole is vertically formed in the center of the upper end of the mounting plate (5), an upper ventilation pipe (7) is fixedly connected to the inside of the mounting hole, the upper end and the lower end of the upper ventilation pipe (7) extend to the outside of the mounting hole, vertical lower ventilation pipes (4) are symmetrically and fixedly connected to the left side and the right side of the upper ventilation pipe (7) at the bottom of the mounting plate (5), connecting pipes (6) are fixedly communicated between the lower ends of the pipe walls of the left side and the right side of the upper ventilation pipe (7) and the pipe walls of the two lower ventilation pipes (4), the lower end of the upper ventilation pipe (7) and the upper ends of the two lower ventilation pipes (4) are sealed, a vertical partition plate (9) is fixedly connected to the middle of the upper ventilation pipe (7), and a horizontal fixing plate (, a fixed box (10) is arranged on the lower side of the fixed plate (16), a locking mechanism is arranged between the upper end of the fixed box (10) and the lower end of the fixed plate (16), a double-shaft motor (11) is fixedly arranged in the fixed box (10), vertical strip-shaped through grooves are formed in the positions, corresponding to the double-shaft motor (11), of the side wall of one side, opposite to the lower ventilating pipes (4), two output shafts of the double-shaft motor (11) penetrate through the inner side wall of the fixed box (10) and extend into the lower ventilating pipes (4) through strip-shaped holes, horizontal supporting rods (2) are symmetrically and fixedly connected to the inner parts of the lower ventilating pipes (4), through holes are vertically formed in the centers of the upper ends of the two supporting rods (2), rotating shafts (1) are rotatably connected to the insides of the two through holes through rolling bearings, and the upper ends of the two rotating shafts (1) extend to the outside of the through holes, and a transmission mechanism is arranged between the lower ends of the two rotating shafts (1) and the tail end of the output shaft of the double-shaft motor (11).

2. The ventilation and noise reduction device for the underground fire-fighting project according to claim 1, wherein the transmission mechanism comprises two gears (12) and two crown gears (13), the two crown gears (13) are respectively and fixedly connected with the lower ends of the two rotating shafts (1), the two gears (12) are respectively and fixedly connected with the tail ends of the two output shafts of the double-shaft motor (11), and the two gears (12) are respectively and mutually meshed with the corresponding crown gears (13).

3. The ventilation and noise reduction device for the underground defense construction according to claim 1, wherein the locking mechanism comprises two clamping rods (15), a spring (18), two pushing blocks (14), two conical blocks (19) and two connecting rods (20), the left side and the right side of the bottom of the fixing plate (16) are symmetrically provided with grooves, a sliding hole is horizontally formed between the groove walls of one opposite side of the two grooves, the two conical blocks (19) are respectively arranged inside the two grooves, the two connecting rods (20) are respectively fixedly connected with the centers of the lower ends of the two conical blocks (19), the lower ends of the two connecting rods (20) extend to the outside of the grooves and are fixedly connected with the upper end of the fixing box (10), the rod walls of the two clamping rods (15) are respectively slidably connected with the hole walls of the left side and the right side of the two sliding holes, and the ends of the two clamping rods (15) which are deviated from each other extend to the lower sides of the two conical blocks (19), spring (18) about both ends respectively with the relative one end fixed connection of two kellies (15), two ejector pad (14) respectively with the relative one end fixed connection of the front side pole wall of two kellies (15), the bar hole with two ejector pad (14) matched with is seted up to the front side hole wall of slide opening, two the one end that deviates from mutually of kellies (15) is all established to arc.

4. The ventilation and noise reduction device for the underground defense construction according to claim 1, characterized in that a filter screen (8) is fixedly connected to the opening of the upper end of the upper ventilation pipe (7).

5. The ventilation and noise reduction device for the underground fire-fighting project according to claim 3, wherein the upper sides of the rod walls of the two clamping rods (15) are symmetrically and fixedly connected with limiting blocks (17), and the left and right sides of the upper side hole walls of the two sliding holes are respectively provided with a limiting groove matched with the two limiting blocks (17).

6. An underground fire-fighting engineering ventilation noise reduction device according to claim 3, characterized in that the inner side walls of both the lower ventilation pipes (4) are provided with noise reduction layers.