CN115559765A

CN115559765A - Tunnel pipeline ventilation unit for building engineering

Info

Publication number: CN115559765A
Application number: CN202210803058.4A
Authority: CN
Inventors: 张庆波; 段诚; 蒋坤霖; 刘信路; 李德超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-03

Abstract

The invention discloses a tunnel pipeline ventilation device for constructional engineering, which relates to the technical field of tunnel pipeline ventilation and aims to solve the problems that the conventional ventilation device in a tunnel is usually hung at the top of the tunnel, but raised dust is generated when a vehicle passes through the ventilation device when the tunnel ventilation is carried out, and the raised dust can cause abrasion to the ventilation device after the vehicle is blown by the ventilation device; through filter screen and active carbon in the air pipe, when the fan drives the air flow, purify the air, reduce the fly ash in the tunnel, and the reduction is to mechanical parts's wearing and tearing, through mutually supporting between each part in the cavity, carry out the same or opposite operation, and then the removal about the mounting panel on the control roof carries out, then place the bottom surface with it through wire rope, make it when maintaining ventilation unit, reduce the current influence of vehicle in the tunnel.

Description

Tunnel pipeline ventilation unit for building engineering

Technical Field

The invention relates to the technical field of tunnel pipeline ventilation, in particular to a tunnel pipeline ventilation device for constructional engineering.

Background

The tunnel construction ventilation mode can be divided into two types of air duct type ventilation and tunnel type ventilation according to the type of an air duct and the installation position of a ventilator, air duct type ventilation air flow is conveyed by a pipeline and is divided into three types of a press-in type ventilation air flow, a draw-out type ventilation air flow and a mixed ventilation air flow, the tunnel type ventilation is suitable for a long tunnel with parallel pilot pits, a positive hole and the parallel pilot holes form a complete air flow circulating system through a transverse passage, the tunnel type ventilation utilizes the whole tunnel as the air duct, the section is large, the resistance is small, and larger air quantity can be supplied, the two long tunnels with the transverse passage connection are also suitable for tunnel type ventilation, and the tunnel ventilator is special equipment for air supply and exhaust type ventilation of a vertical shaft in an extra-long tunnel.

The structure of the tunnel comprises two parts, namely a main building and accessory equipment. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment.

The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities.

The building engineering is an engineering entity which performs various technical works and completions such as planning, surveying, designing, constructing, completing and the like for newly building, reconstructing or extending building buildings and affiliated structures and installation engineering of lines, pipelines and equipment matched with the engineering entity. Also refers to the construction of various houses and buildings, also known as the construction workload. The investment amount of the part can be realized only by the construction activities with the need of carrying out the work and the material movement.

According to chinese patent CN201922207634.5, a ventilation dust device for tunnel portal is disclosed, the technical scheme of adoption is including tunnel and road surface, and a forced draught blower is installed to the inboard right-hand member import department in tunnel, and the forced draught blower is fixed in on the road surface, and dust device is installed to the inboard left end in tunnel, and dust device includes drainage pipe, cistern, first drain pipe, intake pipe, suction fan, second drain pipe and gentle breeze filter.

In the scheme, the ventilation device is arranged on the bottom surface, so that the space of the tunnel is reduced, the vehicle is not facilitated to pass, and foreign matters are easy to fall into the tunnel; current ventilation unit in tunnel hoists at the tunnel top usually, nevertheless when carrying out tunnel ventilation, because the vehicle passes through, produces the raise dust, blows the back through ventilation unit, and the raise dust that raises can cause wearing and tearing to ventilation unit, and when ventilation unit, when needing to maintain the change, because traditional ventilation unit hoists for maintain change and inconvenience.

Disclosure of Invention

In view of the problems in the prior art, the invention discloses a tunnel pipeline ventilation device for building engineering, which adopts the technical scheme that the tunnel pipeline ventilation device comprises a tunnel body, wherein a ventilation pipeline is arranged on the inner top surface of the tunnel body, a control box is arranged in the tunnel body, a micro-processor is arranged in the control box, a shelf is arranged on the inner top surface of the tunnel body, the bottom surface of the shelf is connected with a placing plate in a sliding manner, a bearing mechanism is detachably connected onto the placing plate, the ventilation pipeline is arranged on the bearing mechanism, an installing plate is arranged in the ventilation pipeline, a fan is arranged on the installing plate, the front surface and the rear surface of the fan are respectively provided with a filtering mechanism, a cavity is arranged below the tunnel body, a traction mechanism is arranged in the cavity, and the traction mechanism penetrates through a fixing plate to be connected with the bearing mechanism; traction mechanism still includes driving motor, gear train, bull stick, catch tray, wire rope, a locating piece, no. two locating pieces, the cavity is equipped with two sets ofly, be equipped with in the cavity driving motor, the driving motor top the cavity internal rotation is connected with the bull stick, be equipped with on the bull stick the catch tray, the bull stick passes through the gear train is connected driving motor, be equipped with on the tunnel body inner wall and take porosely No. one the locating piece, no. two the locating piece is established on the shelf, the winding has wire rope on the catch tray, wire rope passes No. one locating piece, no. two locating pieces, place the board and connect bear the mechanism, microprocessor with the electrical property links to each other between the fan.

As a preferred technical scheme of the invention, the filtering mechanism further comprises a filter screen and activated carbon, wherein the filter screen is divided into a group, the activated carbon is arranged between the filter screens, and the activated carbon is used for purifying gas.

As a preferable technical solution of the present invention, the gear set includes a first conical gear and a second conical gear, the first conical gear is disposed on the rotating rod, the second conical gear is disposed on a driving shaft of the driving motor, and the first conical gear and the second conical gear are engaged with each other.

As a preferred technical scheme of the invention, the frame comprises a top plate and a connecting rod, the top plate is hoisted on the tunnel body through the connecting rod, the bottom surface of the top plate is provided with a sliding chute, and the sliding chute is provided with through holes communicated up and down.

As a preferred technical scheme of the invention, the placing plate is a concave part, the top surface of the placing plate is provided with a limiting strip, the limiting strip and the sliding groove are in corresponding positions and are matched in size, the tangent plane of the sliding groove is in a T shape, the top surface of the limiting strip is provided with a fixing mechanism, the bottom surface of the placing plate is provided with a positioning groove, and the sliding groove is in a T shape and is matched with the limiting strip, so that the placing plate is prevented from falling and limited while the movement of the placing plate is not influenced.

As a preferred technical scheme of the present invention, the fixing mechanism includes an electric push rod, a top block, and a press block, the electric push rod is disposed on the top surface of the position-limiting strip, the electric push rod protrudes out of the through hole, the telescopic end of the electric push rod is provided with the top block, the diameter of the top block is larger than that of the through hole, the press block is disposed on the bottom surface of the top block, the top block is attached to the rain roof plate driven by the electric push rod through the top block and the press block, and the press block is matched with the top block to increase the damping between the top block and the rain roof plate.

As a preferred technical scheme of the invention, the bearing mechanism comprises a placing part, a fixing part and a braided belt, wherein the placing part is a concave part, the placing part corresponds to the positioning groove in position and is matched with the positioning groove in size, the fixing part is arranged on the bottom surface of the placing part in an array mode, holes are formed in the fixing part, the braided belt is connected with the holes in the two groups of fixing parts, the ventilating duct is arranged between the braided belt and the placing part in a pressing mode, and the ventilating duct can be stably hoisted by the aid of the fixing part in a plurality of groups.

As a preferred technical scheme of the invention, the ventilation pipeline is provided with the annular groove, the position between the braided belt and the annular groove corresponds to each other, the size of the braided belt is matched with that of the annular groove, and the braided belt is in contact with the ventilation pipeline through the annular groove to realize limiting.

The invention has the beneficial effects that: according to the invention, through the filter screen and the activated carbon in the ventilation pipeline, air is purified while the fan drives the air to flow, flying dust in the tunnel is reduced, abrasion to mechanical parts is reduced, the same or opposite operation is carried out through mutual matching of all parts in the cavity, the mounting plate on the top plate is further controlled to move left and right, then the mounting plate is placed on the bottom surface through the steel wire rope, the influence on vehicle passing in the tunnel is reduced while the ventilation device is maintained, the mounting plate moved to the preset position can be fixed at the current position with the help of the electric push rod and the top block, the situation that the pressure of the steel wire rope is applied to the mounting plate due to distance change to cause movement of the mounting plate is avoided, the placing pieces connected with the steel wire rope cannot be normally placed below the mounting plate, and through mutual matching of all structures in the design scheme, the situation that maintenance personnel build scaffolds and dismantle bolts are avoided, the maintenance time of the ventilation device is saved, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the ventilation duct of the present invention;

FIG. 3 is a schematic view of the top plate structure of the present invention;

FIG. 4 is a schematic view of the structure of the placement board of the present invention;

fig. 5 is a schematic top view of the ventilation duct of the present invention.

In the figure: 1. a tunnel body; 2. a cavity; 3. a rotating rod; 4. a collection tray; 5. a first conical gear; 6. a second bevel gear; 7. a drive motor; 8. a wire rope; 9. a first positioning block; 10. a second positioning block; 11. a top plate; 12. a connecting rod; 13. a chute; 14. a through hole; 15. placing a plate; 16. a limiting strip; 17. an electric push rod; 18. a top block; 19. briquetting; 20. placing the piece; 21. a fixing member; 22. weaving a belt; 23. a ventilation duct; 24. a filter screen; 25. activated carbon; 26. mounting a plate; 27. a fan.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 5, the present embodiment discloses a tunnel pipe ventilation device for construction engineering, the existing ventilation device is hung on the inner top surface of the tunnel through bolts, and when the ventilation device fails, maintenance and replacement are required, because the distance between the bottom surface and the tunnel is large and vehicles pass through, the maintenance and replacement are inconvenient; therefore, the ventilation device is maintained and replaced on the premise that the scaffold is not required to be built through the traction mechanism, the fixing mechanism and the bearing mechanism.

In order to solve the problem that the ventilation device of the tunnel pipeline is not easy to replace, a driving motor 7 in a traction mechanism works to drive a second conical gear 6 to rotate to drive a first conical gear 5 to be meshed with the first conical gear, so that a rotating rod 3 in a cavity 2 rotates in the cavity, and further a collecting disc 4 on the rotating rod 3 rotates, according to the tunnel condition, two groups of traction mechanisms are used for tightening a steel wire rope 8 in one group, paying off the steel wire rope 8 in one group, limiting the advancing route of the steel wire rope 8 in holes in a first positioning block 9 and a second positioning block 10 on a tunnel body 1 and a placing plate 15, enabling the steel wire rope 8 to pass through the placing plate 15, driving a placing piece 20 which is limited with each other between the placing plate 15 to move left and right on a top plate 11 to a preset position, then enabling the two groups of collecting discs 4 to synchronously pay off the steel wire rope 8, enabling the ventilation device to fall to the bottom surface, and maintaining.

In order to avoid placing the board 15, after the displacement, because wire rope 8 pushes down and leads to placing board 15 to remove, the unstable problem of the decline of ventilation unit who causes, spacing strip 16 and spout 13 provide the removal track, through-hole 14 provides the removal space for setting up electric putter 17 above spacing strip 16, place board 15 and reach predetermined position after, the flexible overhead gage 18 of holding of electric putter 17 pushes down, tightly laminate roof 11, make sliding connection place board 15 fix in predetermined position under the damped effect, and increase the damping between roof 11 through briquetting 19 on overhead gage 18, make placing board 15 more stable fix in predetermined position.

The cooperation between connecting rod 12 and the roof 11 constitutes the hoist and mount and places the track that board 15 removed at the confession of tunnel body internal top surface.

In order to make ventilation pipe 23 be in the stable state of not rocking when transferring, place board 15 and place 20 constantly at relative distance, be equipped with the constant head tank on placing board 15, place 20 under wire rope 8's tensioning, constantly and laminate mutually between the constant head tank, when transferring, through placing the hole on the piece 15, wire rope 8 is under driving motor 7's drive, emit the wire rope 8 of the same length, make ventilation pipe 23 stably fall, then take off from mounting 21 through with braid 22, the completion is to ventilation pipe 23's change.

The air passes through the ventilation pipeline 23 by the fan 27 on the mounting plate 26 in the ventilation pipeline 23, and the purification of the circulating air is completed on the filter screen 24 and the activated carbon 25.

The working principle of the invention is as follows: the method comprises the steps of electrifying a fan 27 on a mounting plate 26 in a ventilation pipeline 23, purifying flowing air through a filter screen 24 and activated carbon 25, enabling the ventilation pipeline to work, driving the air in a tunnel body 1 to flow, avoiding a low-oxygen section from being generated in the tunnel body 1 and causing traveling danger, when a ventilation device breaks down, avoiding road congestion when the ventilation device is maintained, enabling two groups of driving motors 7 to work simultaneously, enabling one group of driving motors to rotate forward and one group of driving motors to rotate backward, further enabling a first conical gear 5 and a second conical gear 6 to rotate, driving a rotating rod 3 which is rotatably connected to the inner wall in a cavity 2 to rotate, enabling a collecting disc 4 arranged on the rotating rod 3 to rotate, enabling one group of collecting discs 8 to collect steel wire ropes 8, enabling a placing part 20 to drive a mounting plate 15 to move on a top plate 11 through a positioning groove, enabling the mounting plate 15 to move in a sliding groove 13 through a limiting strip 16, avoiding the mounting plate 16 from falling off from the top plate 11, enabling a first positioning block 9 and a second positioning block 10 on the tunnel body 1 and the top plate 11 to be limiting advancing tracks for the steel wire ropes 8, enabling the top plate to be placed on the top plate 11 and enabling the top plate to be replaced by a pressing block 18, enabling the top plate 7 to be replaced by a pressing block 19, enabling the collecting disc to be replaced by a wire rope 8, enabling the collecting disc to be replaced by a pressing block 7, enabling the collecting disc to be replaced by a rubber belt, enabling the collecting disc to be replaced by a pressing block 7, and enabling the collecting disc to be replaced by a replacement motor, and enabling the collecting disc to be replaced by a replacement motor to be replaced by a rubber belt, and enabling the same length to be replaced after the wire rope 8, and enabling the replacement to be replaced by a replacement.

The microprocessor related to the invention adopts an STM32 chip for starting and stopping the motor, and technical personnel in the field can obtain technical inspiration by referring to teaching materials or technical manuals published by manufacturers through a pin and connection mode of the STM 32; the circuit connections according to the invention are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a tunnel pipeline ventilation unit for building engineering, includes tunnel body (1), the top surface is equipped with air pipe (23) in tunnel body (1), be equipped with the control box in tunnel body (1), be equipped with microprocessor, its characterized in that in the control box: the tunnel comprises a tunnel body (1), and is characterized in that a frame is arranged on the inner top surface of the tunnel body (1), a placing plate (15) is connected to the bottom surface of the frame in a sliding manner, a bearing mechanism is detachably connected to the placing plate (15), a ventilating duct (23) is installed on the bearing mechanism, an installing plate (26) is arranged in the ventilating duct (23), a fan (27) is arranged on the installing plate (26), filtering mechanisms are arranged on the front and back surfaces of the fan (27), a cavity (2) is arranged below the tunnel body (1), a traction mechanism is arranged in the cavity (2), and the traction mechanism penetrates through a fixing plate and is connected with the bearing mechanism; traction mechanism still includes driving motor (7), gear train, bull stick (3), catch tray (4), wire rope (8), locating piece (9), no. two locating pieces (10), cavity (2) are equipped with two sets ofly, be equipped with in cavity (2) driving motor (7), driving motor (7) top cavity (2) internal rotation is connected with bull stick (3), be equipped with on bull stick (3) catch tray (4), bull stick (3) pass through the gear train is connected driving motor (7), be equipped with on tunnel body (1) inner wall and take the porose locating piece (9), no. two locating pieces (10) are established on the shelf, the winding has wire rope (8) on catch tray (4), wire rope (8) pass locating piece (9), no. two locating pieces (10), place board (15) and connect bearing mechanism, microprocessor with the electric property links to each other between fan (27).

2. The ventilation device for tunnel ducts for construction engineering according to claim 1, wherein: the filtering mechanism further comprises a filtering net (24) and activated carbon (25), the filtering net (24) is divided into two groups, and the activated carbon (25) is arranged between the filtering nets (24).

3. The ventilation device for tunnel ducts for construction engineering according to claim 1, wherein: the gear train includes conical gear (5), no. two conical gear (6), establish conical gear (5) No. one on bull stick (3), establish No. two conical gear (6) in the drive shaft of driving motor (7), conical gear (5) with intermeshing between No. two conical gear (6).

4. The ventilation device for tunnel ducts for construction engineering according to claim 1, wherein: the tunnel is characterized in that the frame comprises a top plate (11) and a connecting rod (12), the top plate (11) is hoisted on the tunnel body (1) through the connecting rod (12), a sliding groove (13) is formed in the bottom surface of the top plate (11), and through holes (14) which are communicated up and down are formed in the sliding groove (13).

5. The ventilation device for tunnel ducts for construction engineering according to claim 1, wherein: the novel storage rack is characterized in that the placing plate (15) is a concave piece, a limiting strip (16) is arranged on the top surface of the placing plate (15), the limiting strip (16) corresponds to the sliding grooves (13) in position and is matched with the sliding grooves in size, the tangent plane of each sliding groove (13) is T-shaped, a fixing mechanism is arranged on the top surface of each limiting strip (16), and a positioning groove is formed in the bottom surface of the placing plate (15).

6. The ventilation device for tunnel ducts for construction engineering according to claim 5, wherein: fixing mechanism includes electric putter (17), kicking block (18), briquetting (19), establish electric putter (17) the top surface of spacing strip (16) is, electric putter (17) are outstanding through-hole (14), the flexible end of electric putter (17) is equipped with kicking block (18), the diameter of kicking block (18) is greater than the diameter of through-hole (14), the bottom surface of kicking block (18) is equipped with briquetting (19).

7. The ventilating device for tunnel ducts of construction engineering according to claim 6, wherein: bearing mechanism is including placing piece (20), mounting (21), braid over braid (22), it is concave type spare to place piece (20), place piece (20) with the position is corresponding between the constant head tank, size phase-match, the bottom surface array of placing piece (20) is provided with mounting (21), be equipped with the hole on mounting (21), braid over braid (22) is connected two sets ofly hole on mounting (21), braid over braid (22) with it has to place to press between piece (20) ventilation pipe (23).

8. The ventilation device for tunnel ducts for construction engineering according to claim 7, wherein: the ventilating duct (23) is provided with an annular groove, and the braided belt (22) corresponds to the annular groove in position and is matched with the annular groove in size.