CN218669441U - Air circulation device for tunnel engineering - Google Patents
Air circulation device for tunnel engineering Download PDFInfo
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- CN218669441U CN218669441U CN202222995604.7U CN202222995604U CN218669441U CN 218669441 U CN218669441 U CN 218669441U CN 202222995604 U CN202222995604 U CN 202222995604U CN 218669441 U CN218669441 U CN 218669441U
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Abstract
The utility model relates to a circulation of air device for tunnel engineering, including exhaust fan, the efflux fan, bear the frame, mutual tuber pipe, the drainage tuber pipe, the backward flow tuber pipe, control the terminal, swivelling joint tube head and drive circuit, mutual tuber pipe inlay in bear the frame in its preceding terminal surface respectively with exhaust fan, efflux fan intercommunication, mutual tuber pipe lateral wall is equipped with a plurality of reposition of redundant personnel wind gaps, drainage tuber pipe and backward flow tuber pipe up end are through swivelling joint pipe and reposition of redundant personnel wind gap intercommunication, the terminal surface passes through the swivelling joint tube head and controls the terminal intercommunication down, drive circuit inlays in the front end face that bears the frame. The novel air-flow-type ventilation device can effectively meet the matched use requirements of the tunnel and tunnel environments with various structures, and effectively reduce noise pollution generated by air flow during ventilation operation; on the other hand, during operation, the ventilation and air exchange volume is large, the environment monitoring capability is good, the ventilation and air exchange volume of each construction point can be flexibly adjusted according to the actual working environment, and the independent operation of air exhaust of the air feeder can be realized.
Description
Technical Field
The utility model relates to an air circulation device for tunnel engineering belongs to engineering machine tool and tunnel construction technical field.
Background
In the construction process of tunnels, roadways and the like, the tunnel ventilation fan usually penetrates into a bottom layer or a mountain body at present, so that the environments such as the temperature, the humidity and the dust of a construction site are relatively severe, and oxygen deficiency is easily caused or serious harm is caused to workers due to the increase of the concentration of harmful gases such as carbon dioxide and the like, aiming at the problem, various tunnel ventilation devices are currently developed, such as a tunnel ventilation device with the patent application number of 202210907606.8, a tunnel ventilation fan with good silence and a use method thereof with the patent application number of 202933210407.4 and other devices or methods, although the requirements of use can be met to a certain degree, on one hand, the system structure is relatively fixed and complex, the requirements of use and operation in a specific environment can often only be met, and the use flexibility and the universality are relatively poor; on the other hand, when the current ventilation system operates, the requirement of air supply operation can be met only through a single pipeline, so that the dirty air environment in the tunnel cannot be effectively discharged, and the efficiency of tunnel ventilation operation is seriously influenced;
in addition, in the operation of the current ventilation system, the ventilation positions are often arranged at the top of the tunnel, so that the air flow exchange and environment monitoring positions are high, and the ventilation of the working surface at the tunnel construction position cannot be effectively and directly carried out; meanwhile, the air flow in the tunnel during ventilation at different positions can not be accurately controlled, so that the running power of a fan needs to be increased in order to meet the requirement for ventilation at a plurality of long-distance positions in the tunnel, the energy consumption of ventilation operation is high, and ventilation points in the tunnel are gradually reduced from outside to inside along the axis direction of the tunnel, so that the ventilation efficiency in the tunnel is influenced.
Therefore, in order to solve this problem, it is urgently required to develop a completely new anesthetic evaporation apparatus to meet the needs of practical use.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the novel air circulation device for tunnel engineering is good in universality and flexible and convenient to use, can effectively meet the matched use requirements of tunnels and tunnel environments with various structures, and effectively reduces noise pollution generated by air flow during ventilation operation; on the other hand, during operation, the ventilation and air exchange volume is large, the environment monitoring capacity is good, the ventilation and air exchange volume of each construction point can be flexibly adjusted according to the actual working environment, and the independent operation of air exhaust of the air feeder can be realized, so that accurate air supply and air exchange can be realized according to different working points, the air flow conveying loss is reduced, and the defect of poor air supply and air exchange quality caused by the mutual mixed interference of air flows in the inner environment and the outer environment of the tunnel during the traditional ventilation and air exchange is effectively overcome.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
an air circulation device for tunnel engineering comprises an exhaust fan, a jet fan, a bearing frame, at least one interactive air pipe, a drainage air pipe, a backflow air pipe, a control valve, a control terminal, a rotary connecting pipe head and a drive circuit, wherein the interactive air pipe is embedded in the bearing frame and is connected with the top of a tunnel through the bearing frame, the axis of the interactive air pipe is parallel to the axis of the tunnel, the front end face of the interactive air pipe is respectively communicated with the exhaust fan and the jet fan through connecting pipes, the side wall of the interactive air pipe is provided with a plurality of shunt air ports which are symmetrically distributed on two sides of the axis of the interactive air pipe, the upper end faces of the drainage air pipe and the backflow air pipe are communicated with the shunt air ports through the rotary connecting pipes, the lower end face of the drainage air pipe and the control terminal are communicated with the control terminal through the rotary connecting pipe head, and the control terminal comprises a hard protective shell, an air outlet, a temperature and humidity sensor, an oxygen sensor, a dust sensor, a guide pipe and a control interface, the stereoplasm protecting crust is the frame construction that axial cross-section is the rectangle, the air outlet inlay in the stereoplasm protecting crust front end face and with the coaxial distribution of stereoplasm protecting crust, air outlet rear end face passes through control valve and honeycomb duct intercommunication, the honeycomb duct communicates with the swivelling joint tube head in addition, and through swivelling joint tube head and drainage tuber pipe, intercommunication between the backward flow tuber pipe, and the swivelling joint tube head inlays in the stereoplasm protecting crust rear end face and is connected with stereoplasm protecting crust rear end face, temperature and humidity sensor, oxygen sensor, dust sensor inlays in the preceding terminal surface of stereoplasm protecting crust and encircles the air outlet equipartition, it inlays in the stereoplasm protecting crust lateral surface to control the interface, and with drive circuit electrical connection, and each control parallelly connected and respectively with drive circuit electrical connection between the interface of controlling at terminal, drive circuit inlays in the front end face that bears the frame.
Further, drainage tuber pipe, return air pipe carry out 0-180 the scope rotation through the swivelling joint tube head, and its axis is 0-90 contained angles with the level, just drainage tuber pipe, return air pipe be at least two-stage telescopic tube structure, the interval is not less than 30 centimetres between its lower terminal surface and horizon, drainage tuber pipe, return air pipe lateral surface and bear the frame lateral surface and be connected through flexible actuating lever within a definite time, flexible actuating lever both ends are articulated between hinge and bearing frame, drainage tuber pipe, return air pipe lateral surface respectively, just electrical connection between flexible actuating lever and drive circuit.
Further, mutual tuber pipe includes outer tube, interior bushing pipe, bears fossil fragments, wherein interior bushing pipe and outer tube are the hollow tubular structure that axial cross-section is the rectangle, interior bushing pipe is at least one and inlays in the outer tube, interior bushing pipe and outer tube axis parallel distribution to be connected with the outer tube medial surface through a plurality of bearing fossil fragments of its axis equipartition along its axis, outer tube preceding terminal surface pass through connecting tube and jet fan intercommunication, interior bushing pipe preceding terminal surface pass through connecting tube and exhaust fan intercommunication, all be equipped with a plurality of reposition of redundant personnel tuyeres on outer tube, the interior bushing pipe wall, wherein the outer tube passes through reposition of redundant personnel tuyeres and drainage tuber pipe intercommunication, the reposition of redundant personnel tuyere and the backward flow tuber pipe intercommunication of interior bushing pipe.
Further, bear fossil fragments including bearing frame, locating plate, shell fragment, clamp, cushion block, bearing frame is the hollow tubular frame structure with the coaxial distribution of outer tube, the bearing frame surface is connected with the outer tube medial surface through a plurality of cushion blocks that encircle its axis equipartition, establish two at least clamps along its axis direction equipartition in the bearing frame, clamp and the coaxial distribution of bearing frame, and the clamp is connected with the bearing frame medial surface through three at least locating plates that encircle its axis equipartition, the locating plate is the platelike structure of personally submitting arbitrary one in triangle-shaped, fusiformis and the water droplet type for the cross section, its face and bearing frame axis parallel distribution, the locating plate both ends are connected with bearing frame and clamp through the shell fragment respectively, the clamp medial surface is established two at least cushion blocks that encircle its axis equipartition to through cushion block and the interior bushing of bushing outside of tubes face and be connected.
Furthermore, the positions of the pipe walls of the outer sleeve pipe and the inner lining pipe corresponding to the bearing frame key point, the trisection point and the quartering point are provided with a diversion air port, a guide slide rail is additionally arranged in the bearing frame corresponding to the diversion air port, the guide slide rail is a circular ring structure which is coaxially distributed with the backflow air pipe, the outer side surface of the guide slide rail is connected with the bearing frame and is wrapped outside the backflow air pipe, and the backflow air pipe is in sliding connection with the bearing frame through the guide slide rail.
Furthermore, the bearing rack comprises a plurality of positioning pipe sections, a bracket, an elastic bearing column, a reinforced top plate, reinforced anchor cables and connecting springs, wherein the plurality of positioning pipe sections are of a hollow cylindrical frame structure with a rectangular axial section, two adjacent positioning pipe sections are connected through at least two connecting springs uniformly distributed around the axis of the positioning pipe sections, the axis of each connecting spring and the axis of each positioning pipe section form an included angle of 0-60 degrees, the upper end surfaces of the positioning pipe sections are connected with the reinforced top plate through bolts, the reinforced top plate is of a rectangular screen plate structure with a cross section, the reinforced top plate is additionally provided with at least four reinforced anchor cables uniformly distributed around the midpoint of the reinforced top plate and is connected with the top of the tunnel through the reinforced anchor cables, and the axes of the reinforced anchor cables and the plate surface of the reinforced top plate form an included angle of 30-90 degrees, when the included angle between the axes of the reinforced anchor cables and the plate surface of the reinforced top plate is smaller than 90 degrees, the axes of the reinforced anchor cables are intersected, the intersection point is positioned below the reinforced top plate and on the extension line of the reinforced top plate, at least a plurality of brackets are arranged in the positioning pipe section, each bracket is connected with the inner side surface of the positioning pipe section through an elastic bearing column, the brackets are of circular arc structures which are coaxially distributed with the interactive air pipe and are coated outside the interactive air pipe, every 2-4 brackets are uniformly distributed around the axis of the delivery air pipe to form a supporting group, at least two supporting groups are arranged in the same positioning pipe section, and the supporting groups are uniformly distributed along the axis of the positioning pipe section.
Furthermore, the driving circuit is a circuit system based on an industrial computer, and is additionally provided with a plurality of serial port communication ports; the control interface comprises any one or more of a display, a key, a signal indicator lamp, an eight-section type light-emitting diode and a potentiometer, and a control circuit based on an industrial single chip microcomputer is additionally arranged on the control interface.
The novel ventilation device has the advantages that on one hand, the universality is good, the use is flexible and convenient, the requirements of supporting use of laneways and tunnel environments with various structures can be effectively met, and the noise pollution caused by air flow during ventilation operation is effectively reduced; on the other hand, during operation, the ventilation and air exchange volume is large, the environment monitoring capacity is good, the ventilation and air exchange volume of each construction point can be flexibly adjusted according to the actual working environment, and the independent operation of air exhaust of the air feeder can be realized, so that accurate air supply and air exchange can be realized according to different working points, the air flow conveying loss is reduced, and the defect of poor air supply and air exchange quality caused by the mutual mixed interference of air flows in the inner environment and the outer environment of the tunnel during the traditional ventilation and air exchange is effectively overcome.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
FIG. 1 is a schematic diagram of the novel structure;
FIG. 2 is a schematic view of a partial structure of an interactive air duct;
FIG. 3 is a schematic view of a cross-sectional partial structure of an interactive air duct;
fig. 4 is a schematic structural diagram of the control terminal.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the novel implementation easy to construct, the novel implementation is further explained below by combining with specific embodiments.
As shown in fig. 1-4, an air circulation device for tunnel engineering, including exhaust fan 1, jet fan 2, bearing frame 3, interactive air pipe 4, drainage air pipe 5, backflow air pipe 6, control valve 7, control terminal 8, rotary connection pipe head 9 and drive circuit 10, wherein the interactive air pipe 4 is at least one, inlay in bearing frame 3 and be connected with the tunnel top through bearing frame 3, and its axis and tunnel axis parallel distribution, interactive air pipe 4 front end face communicates with exhaust fan 1, jet fan 2 respectively through the connecting tube, interactive air pipe 4 lateral wall establishes a plurality of reposition of redundant personnel wind gaps 11, reposition of redundant personnel wind gap 11 symmetric distribution is in interactive air pipe 4 axis both sides, drainage air pipe 5 and backflow air pipe 6 up end face communicate with reposition of redundant personnel wind gap 11 through rotary connection pipe 9, the lower terminal face communicates with control terminal 8 through rotary connection pipe head 9.
In this embodiment, the control terminal 8 includes a hard protective shell 81, an air outlet 82, a temperature and humidity sensor 83, an oxygen sensor 84, a dust sensor 85, a diversion pipe 86 and a control interface 87, the hard protective shell 81 is a frame structure with a rectangular axial cross section, the air outlet 82 is embedded in the front end surface of the hard protective shell 81 and is coaxially distributed with the hard protective shell 81, the rear end surface of the air outlet 82 is communicated with the diversion pipe through a control valve 7, the diversion pipe is further communicated with a rotary connecting pipe head 9, and is communicated with the diversion air pipe 5 and the backflow air pipe 6 through the rotary connecting pipe head 9, the rotary connecting pipe head 9 is embedded in the rear end surface of the hard protective shell 81 and is connected with the rear end surface of the hard protective shell 81, the temperature and humidity sensor 83, the oxygen sensor 84 and the dust sensor 85 are embedded in the front end surface of the hard protective shell 81 and are uniformly distributed around the air outlet 82, the control interface 87 is embedded in the outer side surface of the hard protective shell 81 and is electrically connected with the driving circuit 10, the control interfaces 87 of the control terminals 8 are connected in parallel and are electrically connected with the driving circuit 10, and the driving circuit 10 is embedded in the front end surface of the bearing frame 3.
In this embodiment, drainage tuber pipe 5, backward flow tuber pipe 6 carry out 0-180 degree scope rotation through swivelling joint tube head 9, and its axis is 0-90 contained angle with the level, just drainage tuber pipe 5, backward flow tuber pipe 6 be at least two-stage telescopic tube structure, the interval is not less than 30 centimetres between its lower terminal surface and horizon, drainage tuber pipe 5, the 6 lateral surfaces of backward flow tuber pipe and 3 lateral surfaces of bearing frame are connected through flexible actuating lever 12, articulated between 12 both ends of flexible actuating lever respectively through hinge and bearing frame 3, drainage tuber pipe 5, the 6 lateral surfaces of backward flow tuber pipe, just electrical connection between flexible actuating lever 12 and drive circuit.
Wherein, flexible actuating lever 12 be electric telescopic handle to provide drive effort when assisting rotary joint for drainage tuber pipe, backward flow tuber pipe rotation regulation and location through flexible actuating lever, improve drainage tuber pipe, backward flow tuber pipe's positioning adjustment's stability and efficiency.
It is emphasized that the interactive air duct 4 includes an outer casing 41, an inner lining tube 42, and a bearing keel 43, wherein the inner lining tube 42 and the outer casing 41 are both hollow tubular structures with rectangular axial cross-sections, at least one inner lining tube 42 is embedded in the outer casing 41, the inner lining tube 42 and the outer casing 41 are distributed in parallel along the axial direction and are connected with the inner side surface of the outer casing 41 through a plurality of bearing keels 43 uniformly distributed along the axial direction, the front end surface of the outer casing 41 is communicated with the jet flow fan 2 through a connecting pipeline, the front end surface of the inner lining tube 42 is communicated with the exhaust fan 1 through a connecting pipeline, the walls of the outer casing 41 and the inner lining tube 42 are both provided with a plurality of branch air ports 11, wherein the outer casing 41 is communicated with the flow guiding air duct 5 through the branch air ports 11, and the branch air ports 11 of the inner lining tube 42 are communicated with the return air duct 6.
The bearing keel 43 comprises a bearing frame 431, a positioning plate 432, elastic sheets 433, clamps 434 and elastic cushion blocks 435, the bearing frame 431 is a hollow tubular frame structure coaxially distributed with an outer sleeve 41, the outer surface of the bearing frame 431 is connected with the inner side surface of the outer sleeve 41 through a plurality of elastic cushion blocks 435 uniformly distributed around the axis of the bearing frame 431, at least two clamps 434 uniformly distributed along the axis direction of the bearing frame 431 are arranged in the bearing frame 431, the clamps 434 are coaxially distributed with the bearing frame 431, the clamps 434 are connected with the inner side surface of the bearing frame 431 through at least three positioning plates 432 uniformly distributed around the axis of the clamps 434, each positioning plate 432 is a plate-shaped structure with a triangular, fusiform and water droplet-shaped cross section, the plate surface of each plate-shaped structure is parallel to the axis of the bearing frame 431, two ends of each positioning plate 432 are respectively connected with the bearing frame 431 and the clamps 434 through the elastic sheets 433, at least two elastic cushion blocks 435 uniformly distributed around the axis of each clamp 434 are arranged on the inner side surface of each clamp 434, and are connected with the outer side surface of an inner lining pipe 42 through the elastic cushion blocks 435.
Further preferably, the tube wall positions of the outer sleeve 41 and the inner lining tube 42 corresponding to the key point, the trisection point and the quartesion point of the bearing frame 431 are provided with a diversion tuyere 11, and a guide slide rail 12 is additionally arranged in the bearing frame 431 corresponding to the diversion tuyere 11, the guide slide rail 12 is a circular ring structure coaxially distributed with the return air duct 6, the outer side surface of the guide slide rail 12 is connected with the bearing frame 431 and wraps the return air duct 6, and the return air duct 6 is slidably connected with the bearing frame 431 through the guide slide rail 12.
In this embodiment, the supporting frame 3 includes positioning pipe sections 31, brackets 32, elastic supporting columns 33, reinforced top plates 34, reinforced anchor cables 35 and connecting springs 36, a plurality of the positioning pipe sections 31 are all hollow cylindrical frame structures with rectangular axial cross sections, two adjacent positioning pipe sections 31 are connected by at least two connecting springs 36 uniformly distributed around the axis of the positioning pipe sections 31, the axis of the connecting spring 36 and the axis of the positioning pipe section 31 form an included angle of 0-60 degrees, the upper end surfaces of the positioning pipe sections 31 and the reinforced top plates 34 are connected by bolts, the reinforced top plates 34 are in a rectangular net plate structure with a cross section, the reinforced top plates 34 are additionally provided with at least four reinforced anchor cables 35 uniformly distributed around the midpoint thereof and are connected with the top of the tunnel by the reinforced anchor cables 35, and the axes of the reinforced anchor cables 35 and the surface of the reinforced top plate 34 form an included angle of 30-90 degrees, and when the included angle between the axes of the reinforced anchor cables 35 and the surface of the reinforced top plate 34 is less than 90 degrees, the axes of the reinforced anchor cables 35 are intersected, the intersection point is positioned below the reinforced top plate 34 and on the extension line of the reinforced top plate 34, at least a plurality of brackets 32 are arranged in the positioning pipe section 31, each bracket 32 is respectively connected with the inner side surface of the positioning pipe section 31 through an elastic bearing column 33, the brackets 32 are of an arc structure which is coaxially distributed with the interactive air pipe 4 and are coated outside the interactive air pipe 4, every 2-4 brackets are uniformly distributed around the axis of the delivery air pipe 4 to form a supporting group, at least two supporting groups are arranged in the same positioning pipe section 31, and the supporting groups are uniformly distributed along the axis of the positioning pipe section 31.
Through the enhancement roof that sets up, strengthen the anchor rope and effectively improve the positional stability who bears the frame, and realize carrying out the purpose of protection to the tunnel top through strengthening the roof, realize simultaneously through the coupling spring who sets up that different registration arms intersegmental contrast carry out the relative position adjustment along tunnel environment, satisfy multiple complicated operational environment's use needs in a flexible way, the elasticity that sets up bears post and coupling spring in addition can be strikeed to external force, airflow causes the impact effort to advance in the mutual tuber pipe
In this embodiment, the driving circuit 10 is a circuit system based on an industrial computer, and the driving circuit 10 is further provided with a plurality of serial communication ports; the control interface 87 comprises any one or more of a display, a key, a signal indicator lamp, an eight-section type light emitting diode and a potentiometer, and the control interface 87 is additionally provided with a control circuit based on an industrial single chip microcomputer.
This is novel in concrete implementation, at first according to treating the tunnel structure of being under construction, tentatively sets for ventilation distance and ventilation point position, then assembles this neotype exhaust fan, efflux fan, the frame of bearing, mutual tuber pipe, drainage tuber pipe, backward flow tuber pipe, control valve, control terminal, swivelling joint tube head and drive circuit of constitution to with drive circuit and power supply system electrical connection, can accomplish the novel assembly of cost.
When the engineering construction such as the actual tunnel is carried out, firstly, workers adjust the included angles between the axes of the drainage air pipe and the backflow air pipe and the horizontal plane through the control terminal according to the field working requirement, so that the working position and the height from the ground of the control terminal are adjusted, the requirements of control, field environment monitoring and ventilation operation are effectively met, and meanwhile, the situations of damage to the control terminal and misoperation caused by field construction operation are reduced; after the regulation of the control terminal is finished, on one hand, the environmental state of a working position in the tunnel is detected by a temperature and humidity sensor, an oxygen sensor and a dust sensor which are arranged on the control terminal, and when the poor quality of the air environment in the tunnel is detected, the exhaust fan and the jet fan can be driven by a driving circuit to perform ventilation; on the other hand, the worker can directly drive the exhaust fan and the jet fan to perform forced ventilation through the control interface of the control terminal;
when the control terminal performs ventilation, on one hand, clean air conveyed by the jet flow fan in the interactive air pipe is guided to the control terminal by the drainage air pipe, and the air supply amount is adjusted by the control valve of the control terminal, so that independent air supply operation is completed; on the other hand forms the negative pressure environment by exhaust fan at mutual tuber pipe simultaneously, and carry out forced convulsions exhaust with the dirty air of control terminal with the tunnel operating point position through the backward flow tuber pipe under the negative pressure environment, thereby accomplish ventilation in the tunnel, adjust operational environment, and effectively improve the efficiency of ventilation operation, simultaneously through the drainage tuber pipe, the outer tube that backward flow tuber pipe and mutual tuber pipe set up, the independent gas circuit that the inside lining pipe constitutes realizes the clean air of air supply and the dirty air independent transport in the tunnel, when improving air current transport efficiency, prevent that clean air current and dirty air current from mixing and the tunnel efficiency of taking a breath and the defect that the quality of taking a breath is low that transport direction opposite caused.
The novel ventilation device has the advantages that on one hand, the universality is good, the use is flexible and convenient, the matched use requirements of laneways and tunnel environments with various structures can be effectively met, and the noise pollution generated by air flow during ventilation operation is effectively reduced; on the other hand, during operation, the ventilation and air exchange volume is large, the environment monitoring capacity is good, the ventilation and air exchange volume of each construction point can be flexibly adjusted according to the actual working environment, and the independent operation of air exhaust of the air feeder can be realized, so that accurate air supply and air exchange can be realized according to different working points, the air flow conveying loss is reduced, and the defect of poor air supply and air exchange quality caused by the mutual mixed interference of air flows in the inner environment and the outer environment of the tunnel during the traditional ventilation and air exchange is effectively overcome.
The foregoing shows and describes the basic principles and principal features of the present novel form, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, which is intended to be covered by the appended claims. The scope of the present novel claims is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a ventilation unit for tunnel engineering which characterized in that: the air circulation device for tunnel engineering comprises an exhaust fan, a jet fan, a bearing frame, an interactive air pipe, a drainage air pipe, a backflow air pipe, a control valve, an operation terminal, a rotary connector head and a drive circuit, wherein at least one of the interactive air pipes is embedded in the bearing rack and is connected with the top of the tunnel through the bearing rack, the axial line of the interactive air pipe is parallel to the axial line of the tunnel, the front end surface of the interactive air pipe is respectively communicated with an exhaust fan and a jet fan through connecting pipelines, the side wall of the interactive air pipe is provided with a plurality of shunting air ports which are symmetrically distributed at two sides of the axis of the interactive air pipe, the upper end surfaces of the drainage air pipe and the backflow air pipe are communicated with the diversion air port through a rotary connecting pipe, the lower end surfaces are communicated with the control terminal through a rotary connecting pipe head, the control terminal comprises a hard protective shell, an air outlet, a temperature and humidity sensor, an oxygen sensor, a dust sensor, a flow guide pipe and a control interface, the hard protective shell is of a frame structure with a rectangular axial section, the air outlet is embedded in the front end surface of the hard protective shell and is coaxially distributed with the hard protective shell, the rear end surface of the air outlet is communicated with a flow guide pipe through a control valve, the flow guide pipe is communicated with a rotary connector head, and is communicated with the drainage air pipe and the return air pipe through a rotary connecting pipe head which is embedded in the rear end surface of the hard protective shell and is connected with the rear end surface of the hard protective shell, the temperature and humidity sensor, the oxygen sensor and the dust sensor are embedded in the front end surface of the hard protective shell and are uniformly distributed around the air outlet, the control interface is embedded in the outer side surface of the hard protective shell, and the control interface of each control terminal is connected in parallel and is respectively and electrically connected with the drive circuit, and the drive circuit is embedded in the front end surface of the bearing rack.
2. An air circulating device for tunnel engineering according to claim 1, wherein: drainage tuber pipe, backward flow tuber pipe carry out 0-180 scope rotation through swivelling joint tube head, and its axis is personally submitted 0-90 contained angles with the level, just drainage tuber pipe, backward flow tuber pipe be at least two-stage telescopic tube structure, the interval is not less than 30 centimetres between its lower terminal surface and horizon, drainage tuber pipe, backward flow tuber pipe lateral surface and bear and be connected through flexible actuating lever between the frame lateral surface, flexible actuating lever both ends are articulated between hinge and bearing frame, drainage tuber pipe, backward flow tuber pipe lateral surface respectively, just electrical connection between flexible actuating lever and drive circuit.
3. An air circulating device for tunnel engineering according to claim 1, wherein: the interactive air pipe comprises an outer sleeve, an inner lining pipe and a bearing keel, wherein the inner lining pipe and the outer sleeve are hollow tubular structures with rectangular axial cross sections, the inner lining pipe is at least one and is embedded in the outer sleeve, the inner lining pipe and the outer sleeve are distributed in parallel, and are connected with the inner side surface of the outer sleeve through a plurality of bearing keels uniformly distributed along the axis of the inner lining pipe, the front end surface of the outer sleeve is communicated with a jet fan through a connecting pipeline, the front end surface of the inner lining pipe is communicated with an exhaust fan through a connecting pipeline, a plurality of shunt air ports are arranged on the pipe walls of the outer sleeve and the inner lining pipe, the outer sleeve is communicated with a drainage air pipe through the shunt air ports, and the shunt air ports of the inner lining pipe are communicated with a backflow air pipe.
4. A tunneling air-circulating apparatus according to claim 3, wherein: bear fossil fragments including bearing frame, locating plate, shell fragment, clamp, cushion, bearing frame is the hollow tubular frame structure with the coaxial distribution of outer tube, the bearing frame surface is connected with the outer tube medial surface through a plurality of cushion that encircle its axis equipartition, establish at least two clamps along its axis direction equipartition in the bearing frame, clamp and the coaxial distribution of bearing frame, and the clamp is connected with the bearing frame medial surface through at least three locating plates that encircle its axis equipartition, the locating plate is the plate structure of arbitrary one in triangle-shaped, fusiformis and the water droplet type for the cross section, its face and bearing frame axis parallel distribution, the locating plate both ends are connected with bearing frame and clamp through the shell fragment respectively, the clamp medial surface is established two at least elasticity cushion that encircle its axis equipartition to be connected with interior bushing lateral surface through cushion.
5. An air circulating device for tunnel engineering according to claim 4, wherein: the bearing frame is characterized in that shunt air openings are formed in the pipe wall positions of the outer sleeve pipe and the inner lining pipe corresponding to the key point, the trisection point and the quartering point of the bearing frame, guide slide rails are additionally arranged in the bearing frame corresponding to the shunt air openings, the guide slide rails are of circular ring structures which are coaxially distributed with the backflow air pipe, the outer side faces of the guide slide rails are connected with the bearing frame and are wrapped outside the backflow air pipe, and the backflow air pipe is in sliding connection with the bearing frame through the guide slide rails.
6. An air circulating device for tunnel engineering according to claim 1, wherein: the bearing rack comprises positioning pipe sections, brackets, elastic bearing columns, reinforced top plates, reinforced anchor cables and connecting springs, wherein the positioning pipe sections are of a hollow cylindrical frame structure with a rectangular axial section, two adjacent positioning pipe sections are connected through at least two connecting springs uniformly distributed around the axis of the positioning pipe sections, the axes of the connecting springs and the axes of the positioning pipe sections form an included angle of 0-60 degrees, the upper end surfaces of the positioning pipe sections are connected with the reinforced top plates through bolts, the reinforced top plates are of a rectangular net plate structure in cross section, the reinforced top plates are additionally provided with at least four reinforced anchor cables uniformly distributed around the center points of the reinforced top plates and connected with the top of a tunnel through the reinforced anchor cables, the axes of the reinforced anchor cables and the reinforced top plate form an included angle of 30-90 degrees, when the included angle between the axis of each reinforced anchor cable and the surface of each reinforced top plate is smaller than 90 degrees, the axes of each reinforced anchor cable intersect, the intersection points are positioned below the reinforced top plates and positioned on an extension line of the reinforced top plates, the positioning pipe sections are internally provided with at least a plurality of brackets, each bracket is respectively connected with the positioning pipe sections through the elastic bearing columns and connected with the inner side surface of the positioning pipe sections, the positioning pipe sections are coated with air pipes in an arc structure in which are alternately distributed around the coaxial with air ducts, and uniformly distributed around the supporting and distributed around the same coaxial air pipes, and distributed around the same coaxial bracket, and distributed uniformly distributed in each positioning pipe section, and at least one supporting group is uniformly distributed around the positioning pipe section, and uniformly distributed in each supporting group, and the positioning pipe section.
7. An air circulating device for tunnel engineering according to claim 1, wherein: the driving circuit is a circuit system based on an industrial computer, and is additionally provided with a plurality of serial port communication ports; the control interface comprises any one or more of a display, a key, a signal indicator lamp, an eight-section type light-emitting diode and a potentiometer, and a control circuit based on an industrial single chip microcomputer is additionally arranged on the control interface.
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| CN202222995604.7U CN218669441U (en) | 2022-11-10 | 2022-11-10 | Air circulation device for tunnel engineering |
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| CN202222995604.7U CN218669441U (en) | 2022-11-10 | 2022-11-10 | Air circulation device for tunnel engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116690654A (en) * | 2023-08-09 | 2023-09-05 | 北京易圣安成机器人有限公司 | Robot operation platform with ventilation function |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116690654A (en) * | 2023-08-09 | 2023-09-05 | 北京易圣安成机器人有限公司 | Robot operation platform with ventilation function |
| CN116690654B (en) * | 2023-08-09 | 2023-10-13 | 北京易圣安成机器人有限公司 | Robot operation platform with ventilation function |
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