Self-moving dust collection ventilation equipment for tunnel construction

Abstract

The invention relates to the field of tunnel construction equipment, in particular to tunnel construction self-moving type dust collection ventilation equipment which comprises a moving mounting platform, moving modules symmetrically arranged below the moving mounting platform and an adjusting type dust collection mechanism. And the moving module comprises a moving mounting frame, and a plurality of driving rollers are arranged on the moving mounting frame at equal intervals. The moving and height adjusting functions are achieved, circulating rotating airflow can be formed in cooperation with the tunnel environment, dust diffusion is prevented, and the dust adsorption efficiency and quality are improved; meanwhile, the flow direction of airflow can be adjusted, different dust collection requirements are met, and the application range of the device is widened; adsorbed dust can be scraped in time and guided out in cooperation with airflow, it is guaranteed that the adsorption capacity of follow-up dust collection is not attenuated, and the dust collection quality and efficiency are further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of tunnel construction equipment, in particular to a self-moving dust collection and ventilation equipment for tunnel construction. BACKGROUND

[0002] Tunnel construction is a key link in the development of urban underground space and the construction of transportation infrastructure. However, it will produce a large amount of high-concentration dust in the process of drilling and blasting, tunneling and residue discharge. These dust not only seriously pollutes the working environment and affects the health of construction personnel, but also can cause occupational diseases such as pneumoconiosis after long-term exposure. In addition, it can significantly reduce the visibility in the tunnel, increase the safety risk of mechanical operation, accelerate equipment wear and tear, and affect the construction progress and engineering quality. Therefore, an efficient and reliable ventilation and dust removal system is an important guarantee for the safety and environmental protection of tunnel construction.

[0003] At present, the dust collection and ventilation equipment used in tunnel construction is mainly fixed or simple mobile. The installation position of the fixed equipment is limited, and the airflow coverage range is limited, which is difficult to adapt to the continuous advancement of the tunnel working face, and is easy to form dust retention and diffusion in the area far from the dust suction port. Although some equipment is equipped with a mobile base, its function is mainly concentrated on position transfer, and lacks effective organization and dynamic adjustment ability of airflow form. Most of the existing equipment adopts one-way suction or straight blowing airflow design, and the airflow organization method is single, which is difficult to form a closed dust control field. Especially in large cross-section or complex ventilation demand tunnels, dust is easy to escape from the airflow boundary, resulting in a decrease in capture efficiency.

[0004] On the other hand, the direction of the dust suction port, the airflow velocity and the wind action range of the existing dust collection equipment cannot be flexibly adjusted according to the site conditions. The size, distribution height and diffusion characteristics of dust particles produced in different stages of tunnel construction are different, and the traditional equipment lacks corresponding adaptive adjustment mechanism, which cannot realize precise dust collection and reduces the applicability and energy efficiency of the whole system. Especially when the dust concentration suddenly increases or the working face changes, the existing device is difficult to respond quickly, which is easy to cause dust out of control.

[0005] In addition, during the continuous dust collection process, dust will continuously accumulate on the surface of the filter screen, the polar plate or the adsorption assembly, causing airflow channel obstruction, resistance rising, air suction volume decreasing and efficiency significantly decaying. Although some equipment is equipped with a dust cleaning mechanism, such as mechanical vibration or pulse back blowing device, the dust cleaning process often needs to be operated with shutdown, or the dust cleaning effect is not thorough, which cannot realize continuous and uninterrupted operation. More importantly, if the stripped dust cannot be discharged from the collection area in time, it is easy to cause secondary dust raising and form internal circulation pollution, which greatly weakens the actual dust removal effect of the system. This defect of incomplete dust cleaning and asynchronous emission seriously restricts the reliability of long-time continuous operation.

[0006] The present application aims to solve the technical problems in the prior art, and provides a self-moving dust collecting and ventilating equipment for tunnel construction. SUMMARY

[0007] The present application aims to solve the technical problems in the prior art, and provides a self-moving dust collecting and ventilating equipment for tunnel construction.

[0008] The present application has the following beneficial effects: The present application provides a self-moving dust collecting and ventilating equipment for tunnel construction, which comprises a mobile installation platform, a lifting installation plate arranged opposite to the top of the mobile installation platform, a mobile module symmetrically arranged below the mobile installation platform, and an adjustable dust collecting mechanism.

[0009] As a further scheme of the present application, the mobile module comprises a mobile installation frame, a plurality of driving rollers are arranged at equal intervals on the mobile installation frame, spring installation columns are symmetrically arranged between the upper end of the mobile installation frame and the mobile installation platform, and the two ends of the spring installation columns are connected with the mobile installation frame and the mobile installation platform, respectively. As a further scheme of the present application, the mobile installation platform and the lifting installation plate are connected through a driving lifting column, and directional telescopic columns are symmetrically arranged on the mobile installation platform at the two sides of the driving lifting column, and the upper ends of the directional telescopic columns are connected with the lifting installation plate.

[0010] As a further scheme of the present application, the adjustable dust collecting mechanism comprises a bowl-shaped installation cylinder, the bowl-shaped installation cylinder is installed at one end of the lifting installation plate through a corner fixing frame, a flow guide installation cylinder is arranged at the middle position of the bowl-shaped installation cylinder, a smooth conical cylinder cover is arranged at the outer side of the flow guide installation cylinder, an annular arc surface cover is arranged at the inner side of the bottom of the bowl-shaped installation cylinder, and the annular arc surface cover is connected with the smooth conical cylinder cover.

[0011] As a further scheme of the present application, a plurality of rotating scrapers are arranged at equal angles at the outer side of the limiting rotating sleeve, and the rotating scrapers are arranged in close contact with the annular arc surface cover and the smooth conical cylinder cover.

[0012] As a further scheme of the present application, an arc surface dust collecting cylinder is arranged at the upper end of the lifting installation plate, a discharge pipe is arranged at the bottom of the arc surface dust collecting cylinder, and a discharge gate is rotatably arranged at the outer end of the discharge pipe.

[0013] As a further scheme of the present application: the inner side of one end of the flow guide installation cylinder is trumpet-shaped, and the inner side of the trumpet-shaped end of the flow guide installation cylinder is connected with the outer side of the bottom of the bowl-shaped installation cylinder, the bottom of the bowl-shaped installation cylinder is provided opposite with a flow guide driving element, the outer side of the flow guide driving element is provided with a plurality of fixed installation columns at equal angles, the outer ends of the fixed installation columns are all installed on the bottom of the bowl-shaped installation cylinder, the flow guide driving element opposite the one end of the flow guide installation cylinder is coaxially provided with a limiting rotation column through a rotating shaft, a limiting installation sleeve is arranged on the corresponding limiting rotation column of the trumpet-shaped part of the flow guide installation cylinder, the outer side of the limiting installation sleeve is provided with a plurality of flow guide installation plates at equal angles, the outer end of the flow guide installation plate is connected with the inner wall of the trumpet-shaped end of the flow guide installation cylinder, the outer side of the limiting rotation column in the flow guide installation cylinder is provided with a spiral flow guide plate, the edge of the spiral flow guide plate is gap-fitted with the inner wall of the flow guide installation cylinder, and a plurality of drainage fan leaves are arranged on the limiting rotation column between the limiting installation sleeve and the flow guide driving element at equal angles.

[0014] As a further scheme of the present application: the outer end of the limiting rotation column extends out of the flow guide installation cylinder, and the outer end of the limiting rotation column is coaxially provided with a limiting rotation shaft, the limiting rotation shaft is provided opposite with a conical surface installation column along the axial direction, the one end of the conical surface installation column is provided with a limiting bearing sleeve matched with the limiting rotation shaft, the outer side of the limiting bearing sleeve is provided with a plurality of flow guide support plates at equal angles, the other end edge of the conical surface installation column is provided with a reset rubber ring, the reset rubber ring is outwardly provided with an annular arc surface flow guide plate, the annular arc surface flow guide plate is provided with a plurality of flow guide grooves at equal angles on the side facing the bowl-shaped installation cylinder, and the outer side of the conical surface installation column is also provided with a plurality of flow guide grooves at equal angles.

[0015] As a further scheme of the present application: the end of the conical surface installation column is provided with a spacing adjustment telescopic column, the outer end of the spacing adjustment telescopic column is provided with a spacing adjustment installation disc, the outer side of the spacing adjustment installation disc is provided with a plurality of swing installation rods at equal angles, one end of the swing installation rod is connected with the edge of the spacing adjustment installation disc through a steering rotating shaft, and the other end of the swing installation rod is provided with a rubber top block.

[0016] As a further scheme of the present application: the opening of the bowl-shaped installation cylinder is provided with an annular flow guide cylinder, the annular flow guide cylinder is provided with a plurality of atomizing nozzles at equal angles on the side facing the annular arc surface cover and the smooth surface conical cylinder cover, a buffer flow guide cavity is arranged in the cylinder wall of the bowl-shaped installation cylinder, the buffer flow guide cavity is communicated with the annular flow guide cylinder through a liquid conveying pipe, a booster flow guide pump is arranged at the bottom of the bowl-shaped installation cylinder, one end of the booster flow guide pump is communicated with the buffer flow guide cavity, and the other end of the booster flow guide pump is provided with a connecting pipe.

[0017] As a further further scheme of the present application: the other end of the flow guide installation cylinder is provided with a limiting rotating frame, a limiting rotating sleeve is arranged in cooperation with the limiting rotating frame, a plurality of steering drive guide wheels are arranged at equal angles on the limiting rotating frame, the steering drive guide wheels are in contact with the inner wall of the limiting rotating sleeve, limiting power supply rings are symmetrically arranged on both sides of the limiting rotating frame, and a limiting power supply groove is arranged on the inner side of the limiting rotating sleeve in cooperation with the limiting power supply ring.

[0018] Compared with the prior art, the present application has the following advantages: It has the functions of movement and height adjustment, and can form a circulating rotating air flow in cooperation with the tunnel environment, thereby preventing dust from diffusing and escaping, improving the adsorption effect of dust by centrifugal force, and improving the dust capture efficiency and quality; Meanwhile, the flow direction of the backflow air flow can be adjusted to adapt to different dust collection requirements and improve the application range of the device; The adsorbed dust can be scraped off in time and guided out in cooperation with the air flow, so as to ensure that the adsorption capacity of subsequent dust collection does not decrease, and further improve the quality and efficiency of dust collection. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a self-moving dust collection and ventilation equipment for tunnel construction.

[0021] Figure 2 It is a three-dimensional structural schematic diagram of a bowl-shaped installation cylinder and a flow guide installation cylinder in a self-moving dust collection and ventilation equipment for tunnel construction.

[0022] Figure 3 It is a partial sectional view schematic diagram of a bowl-shaped installation cylinder and a flow guide installation cylinder in a self-moving dust collection and ventilation equipment for tunnel construction.

[0023] Figure 4 It is Figure 3 It is an enlarged schematic diagram of a.

[0024] Figure 5 It is a three-dimensional structural schematic diagram of a rotating scraper and a limiting rotating sleeve in a self-moving dust collection and ventilation equipment for tunnel construction.

[0025] Figure 6 It is a three-dimensional structural schematic diagram of a bowl-shaped installation cylinder and a flow guide installation cylinder removed by an adjustable dust collection mechanism in a self-moving dust collection and ventilation equipment for tunnel construction.

[0026] Figure 7 It is a kind of tunnel construction self-moving dust collection and ventilation equipment in the limit position rotating column place's three-dimensional structure schematic view.

[0027] Figure 8 It is a kind of tunnel construction self-moving dust collection and ventilation equipment in the limit position rotating column place's three-dimensional structure schematic view.

[0028] Figure 9 It is a kind of tunnel construction self-moving dust collection and ventilation equipment in the limit position rotating column place's three-dimensional structure schematic view.

[0029] 1-moving installation platform, 2-moving installation frame, 3-driving lifting column, 4-directional telescopic column, 5-lifting installation plate, 6-discharge pipe, 7-arc surface dust collection cylinder, 8-discharge gate, 9-angle fixing frame, 10-bowl-shaped installation cylinder, 11-connection guide pipe, 12-smooth tapered cylinder cover, 13-ring arc surface guide plate, 14-ring arc surface cover, 15-limit rotating frame, 16-turning driving guide wheel, 17-atomizing nozzle, 18-limit rotating sleeve, 19-guide installation cylinder, 20-limit installation sleeve, 21-guide installation plate, 22-boosting guide pump, 23-buffer guide cavity, 24-liquid delivery guide pipe, 25-ring guide cylinder, 26-limit power supply ring, 27-limit power supply groove, 28-distance adjusting installation disc, 29-distance adjusting telescopic column, 30-swinging installation rod, 31-rubber top block, 32-resetting rubber ring, 33-cone surface installation column, 34-limit bearing sleeve, 35-guide support plate, 36-guide groove, 37-limit rotating column, 38-spiral guide plate, 39-rotating scraper, 40-drainage fan blade, 41-guide driving member, 42-fixed installation column, 43-limit rotating shaft, 44-spring installation column, 45-driving roller. DETAILED DESCRIPTION

[0030] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0031] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplicity, the elements and settings of the specific examples in the following description are described in some detail to provide a thorough understanding of the present application. Of course, they are just examples and are not intended to limit the present application. In addition, the present application can repeatedly refer to reference numbers and / or letters in different examples. Such repetition is for the purpose of simplicity and clarity, and does not in itself indicate a relationship between the various embodiments and / or settings being discussed.

[0032] Example one, please refer toFigure 1 、 Figure 9 The tunnel construction self-moving dust collecting and ventilating equipment in the embodiment of the present application comprises a moving installation platform 1, a lifting installation plate 5 is symmetrically arranged above the moving installation platform 1, and a moving module and an adjustable dust collecting mechanism are symmetrically arranged below the moving installation platform 1.

[0033] The moving module comprises a moving installation frame 2, a plurality of driving rollers 45 are symmetrically arranged on the moving installation frame 2, spring installation columns 44 are symmetrically arranged between the upper end of the moving installation frame 2 and the moving installation platform 1, and the two ends of the spring installation columns 44 are connected with the moving installation frame 2 and the moving installation platform 1 respectively. The moving installation platform 1 and the lifting installation plate 5 are connected through a driving lifting column 3, directional telescopic columns 4 are symmetrically arranged on the moving installation platform 1 on the two sides of the driving lifting column 3, and the upper ends of the directional telescopic columns 4 are connected with the lifting installation plate 5.

[0034] The equipment is placed in a tunnel construction area, is driven through the driving rollers 45 or is connected with an external traction equipment, the movement of the equipment is realized, the directional telescopic columns 4 are used for damping in the movement process, and the adjustable dust collecting mechanism on the equipment can stably operate. Meanwhile, the driving lifting column 3 is used for adjusting the height of the lifting installation plate 5 and the adjustable dust collecting mechanism on the lifting installation plate 5, and dust collecting and ventilating operations at different heights are realized.

[0035] In the embodiment two, on the basis of the embodiment one, please refer to Figure 1 、 Figure 2 、 Figure 6 to Figure 8 The adjustable dust collecting mechanism comprises a bowl-shaped installation cylinder 10, the bowl-shaped installation cylinder 10 is installed at one end of the lifting installation plate 5 through a corner fixing frame 9, a flow guide installation cylinder 19 is arranged at the middle position of the bowl-shaped installation cylinder 10, a smooth taper cylinder cover 12 is arranged outside the flow guide installation cylinder 19, a ring-shaped arc surface cover 14 is arranged at the inner bottom of the bowl-shaped installation cylinder 10, and the ring-shaped arc surface cover 14 is connected with the smooth taper cylinder cover 12. The inner side of one end of the flow guide installation cylinder 19 is trumpet-shaped, and the inner side of the trumpet-shaped end of the flow guide installation cylinder 19 is connected with the outer side bottom of the bowl-shaped installation cylinder 10, the bottom of the bowl-shaped installation cylinder 10 is provided opposite with a flow guide driving part 41, the outer side of the flow guide driving part 41 is provided with a plurality of fixed installation columns 42 at equal angles, the outer ends of the fixed installation columns 42 are all installed on the bottom of the bowl-shaped installation cylinder 10, the flow guide driving part 41 opposite to one end of the flow guide installation cylinder 19 is coaxially provided with a limiting rotating column 37 through a rotating shaft, a limiting installation sleeve 20 is arranged on the corresponding limiting rotating column 37 of the trumpet-shaped part of the flow guide installation cylinder 19, a plurality of flow guide installation plates 21 are arranged on the outer side of the limiting installation sleeve 20 at equal angles, the outer ends of the flow guide installation plates 21 are connected with the inner wall of the trumpet-shaped end of the flow guide installation cylinder 19, a spiral flow guide plate 38 is arranged on the outer side of the limiting rotating column 37 in the flow guide installation cylinder 19, the edge of the spiral flow guide plate 38 is gap-fitted with the inner wall of the flow guide installation cylinder 19, a plurality of drainage fan blades 40 are arranged on the limiting rotating column 37 between the limiting installation sleeve 20 and the flow guide driving part 41 at equal angles; The opening of the bowl-shaped installation cylinder 10 is provided with a ring-shaped flow guide cylinder 25, a plurality of atomizing nozzles 17 are arranged on the ring-shaped arc cover 14 and the smooth tapered cylinder cover 12 at equal angles from the ring-shaped flow guide cylinder 25, a buffer flow guide cavity 23 is arranged in the cylinder wall of the bowl-shaped installation cylinder 10, the buffer flow guide cavity 23 is communicated with the ring-shaped flow guide cylinder 25 through a liquid conveying pipe 24, a booster flow guide pump 22 is arranged at the bottom of the bowl-shaped installation cylinder 10, one end of the booster flow guide pump 22 is communicated with the buffer flow guide cavity 23, and the other end of the booster flow guide pump 22 is provided with a connecting pipe 11. The outer end of the limiting rotating column 37 extends out of the flow guide installation cylinder 19, and the outer end of the limiting rotating column 37 is coaxially provided with a limiting rotating shaft 43, the limiting rotating shaft 43 is provided opposite along the axial direction with a conical surface installation column 33, one end of the conical surface installation column 33 is provided with a limiting bearing sleeve 34 matched with the limiting rotating shaft 43, a plurality of flow guide support plates 35 are arranged on the outer side of the limiting bearing sleeve 34 at equal angles, a reset rubber ring 32 is arranged on the other end edge of the conical surface installation column 33, and the reset rubber ring 32 is outwardly provided with a ring-shaped arc flow guide plate 13.

[0036] When in the dust collection and ventilation working area, the connecting pipe 11 is communicated with the liquid supply equipment arranged outside, at this time the booster flow guide pump 22 is driven to guide the liquid into the buffer flow guide cavity 23, and then into the ring-shaped flow guide cylinder 25 through the liquid conveying pipe 24, and then the atomized liquid droplets are sprayed from the atomizing nozzles 17, the flow guide driving part 41 is started, the limiting rotating column 37 is rotated through the rotating shaft, the limiting rotating column 37 rotates at the same time, the drainage fan blades 40 rotate, the air and dust on one side of the flow guide installation cylinder 19 are guided into the flow guide installation cylinder 19, at the same time the spiral flow guide plate 38 is also in a rotating state, the air guided to the flow guide installation cylinder 19 is captured and further accelerated, until the air is discharged at high speed from the other end of the flow guide installation cylinder 19; The high-speed guided gas impacts the conical mounting column 33, and is guided towards the annular arc-shaped shield 14 through the inner side of the annular arc-shaped guide plate 13, and then flows over the surface of the smooth conical shield 12. At the same time, the atomizing nozzle 17 sprays atomized droplets towards the annular arc-shaped shield 14 and the smooth conical shield 12, so that it carries and adsorbs some of the dust in the guided air, and quickly adheres to the annular arc-shaped shield 14 and the smooth conical shield 12, thus completing the adsorption of some of the dust in the tunnel air. The air flows further through the smooth conical hood 12. Part of it, along with the high-speed air introduced by the guide installation cylinder 19, re-enters the conical mounting column 33 and the annular arc-shaped guide plate 13, repeatedly entering the surfaces of the annular arc-shaped hood 14 and the smooth conical hood 12, and comes into contact with and is adsorbed by the atomized droplets. Another part of the air passing through the smooth conical hood 12 forms an annular swirling airflow between the high-speed airflow from the guide installation cylinder 19 and the air guided by the edge of the annular arc-shaped guide plate 13. The dust particles inside gradually merge into the high-speed airflow from the guide installation cylinder 19 and the air guided by the edge of the annular arc-shaped guide plate 13 under the centrifugal force of the swirling airflow, thereby improving the speed and quality of dust suppression.

[0037] Example 3, based on Example 1, please refer to... Figure 1 , Figure 3 to Figure 5 In this embodiment of the invention, a limiting rotating frame 15 is provided on the outer side of the other end of the flow guiding installation cylinder 19, and a limiting rotating sleeve 18 is provided in cooperation with the limiting rotating frame 15. A plurality of steering drive guide wheels 16 are provided at equal angles on the limiting rotating frame 15, and the steering drive guide wheels 16 are all in contact with the inner wall of the limiting rotating sleeve 18. Limiting power supply rings 26 are symmetrically provided on both sides of the limiting rotating frame 15, and a limiting power supply groove 27 is provided on the inner side of the limiting rotating sleeve 18 in cooperation with the limiting power supply rings 26. The outer side of the limiting rotating sleeve 18 is provided with a plurality of rotating scrapers 39 at equal angles, and the rotating scrapers 39 are all fitted to the annular arc surface cover 14 and the smooth conical cylindrical cover 12. The upper end of the lifting mounting plate 5 is provided with an arc-shaped dust collection cylinder 7, and the bottom of the arc-shaped dust collection cylinder 7 extends out to provide a discharge pipe 6. The outer end of the discharge pipe 6 is rotatably provided with a discharge gate 8.

[0038] The steering drive guide wheel 16 is opened synchronously with the start of the equipment. Under the contact drive of the steering drive guide wheel 16, the limit rotating sleeve 18 is rotated. At this time, the rotating scraper 39 on it is in contact with the surface of the annular arc-shaped cover 14 and the smooth conical cylinder cover 12 to scrape off the dust and liquid mixture adsorbed on them. The scraped dust and liquid mixture clumps together and rolls down the rotating scraper 39 onto the arc-shaped dust collection cylinder 7. After a period of time, the discharge gate 8 is opened and poured out from the discharge pipe 6, or it is shoveled out directly from above the arc-shaped dust collection cylinder 7. While the limiting rotating sleeve 18 and the limiting rotating frame 15 rotate together, the limiting power supply ring 26 and the limiting power supply groove 27 rotate and couple to supply power.

[0039] Example 4, based on Example 1, please refer to... Figure 6 , Figure 8 In this embodiment of the invention, the annular arc-shaped guide plate 13 is provided with a plurality of guide grooves 36 at equal angles on the side facing the bowl-shaped mounting cylinder 10, and the outer side of the conical mounting column 33 is also provided with a plurality of guide grooves 36 at equal angles. The end of the conical mounting column 33 is provided with a spacing adjustment telescopic column 29, and the outer end of the spacing adjustment telescopic column 29 is provided with a spacing adjustment mounting plate 28. A plurality of swing mounting rods 30 are provided at equal angles on the outer side of the spacing adjustment mounting plate 28. One end of the swing mounting rod 30 is connected to the edge of the spacing adjustment mounting plate 28 through a steering shaft. The steering shaft is used to adjust the starting angle of the swing mounting rod 30. The other end of the swing mounting rod 30 is provided with a rubber top block 31.

[0040] The conical mounting post 33 and the guide groove 36 on the annular arc-shaped guide plate 13 reduce turbulence and ensure the directionality of airflow. At the same time, the telescopic adjustment of the spacing adjustment post 29 changes the spacing between the spacing adjustment mounting plate and the annular arc-shaped guide plate 13, thereby adjusting the force of the swing mounting rod 30 and its rubber top block 31 pressing the annular arc-shaped guide plate 13. In conjunction with the reset rubber ring 32, the curvature of the arc surface on the annular arc-shaped guide plate 13 is adjusted. According to the amount of dust in the air, the position of the airflow across the surface of the annular arc-shaped cover 14 and the smooth conical cover 12 is adjusted, that is, the distance and time of the airflow across the surface of the annular arc-shaped cover 14 and the smooth conical cover 12 are controlled. The return airflow is the airflow guided out by the annular arc-shaped guide plate 13.

[0041] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0042] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A self-moving dust collecting and ventilating equipment for tunnel construction, comprising a moving installation platform, characterized in that, The upper part of the mobile installation platform is provided with a lifting installation plate, and the mobile module is symmetrically arranged below the mobile installation platform, and the adjustable dust collection mechanism is arranged. The adjustable dust collection mechanism comprises a bowl-shaped installation cylinder which is installed at one end of the lifting installation plate through a folding angle fixing frame, a flow guide installation cylinder is arranged at the middle position of the bowl-shaped installation cylinder, a smooth tapered cylinder cover is arranged at the outer side of the flow guide installation cylinder, a ring-shaped arc surface cover is arranged at the inner side of the bottom of the bowl-shaped installation cylinder, and the ring-shaped arc surface cover is connected with the smooth tapered cylinder cover. The upper end of the lifting installation plate is provided with an arc dust collection cylinder, and a discharge pipe is arranged at the bottom of the arc dust collection cylinder.

2. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 1, characterized in that, The mobile module comprises a mobile installation frame, a plurality of drive rollers are arranged on the mobile installation frame at equal intervals, spring installation columns are symmetrically arranged between the upper end of the mobile installation frame and the mobile installation platform, and the two ends of the spring installation columns are connected with the mobile installation frame and the mobile installation platform, respectively.

3. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 2, characterized in that, The mobile installation platform and the lifting installation plate are connected through a driving lifting column, and directional telescopic columns are symmetrically arranged on the mobile installation platform at the two sides of the driving lifting column, and the upper ends of the directional telescopic columns are connected with the lifting installation plate.

4. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 1, characterized in that, The inner side of one end of the flow guide installation cylinder is trumpet-shaped, the inner side of the trumpet-shaped end of the flow guide installation cylinder is connected with the outer side of the bottom of the bowl-shaped installation cylinder, a flow guide driving element is arranged opposite to the bottom of the bowl-shaped installation cylinder, a plurality of fixed installation columns are arranged at equal angles on the outer side of the flow guide driving element, the outer ends of the fixed installation columns are installed on the bottom of the bowl-shaped installation cylinder, a limiting rotating column is coaxially arranged on the one end of the flow guide installation cylinder opposite to the flow guide driving element through a rotating shaft, a limiting installation sleeve is arranged on the limiting rotating column corresponding to the trumpet-shaped part of the flow guide installation cylinder, a plurality of flow guide installation plates are arranged at equal angles on the outer side of the limiting installation sleeve, the outer ends of the flow guide installation plates are connected with the inner wall of the trumpet-shaped end of the flow guide installation cylinder, a spiral flow guide plate is arranged on the outer side of the limiting rotating column in the flow guide installation cylinder, and the edge of the spiral flow guide plate is gap-fitted with the inner wall of the flow guide installation cylinder.

5. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 4, characterized in that, A plurality of drainage fan leaves are arranged at equal angles on the limiting rotating column between the limiting installation sleeve and the flow guide driving element.

6. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 4, characterized in that, A ring-shaped flow guide cylinder is arranged at the opening of the bowl-shaped installation cylinder, a plurality of atomizing nozzles are arranged at equal angles on the ring-shaped flow guide cylinder towards the ring-shaped arc surface cover and the smooth tapered cylinder cover, a buffer flow guide cavity is arranged in the wall of the bowl-shaped installation cylinder, the buffer flow guide cavity is communicated with the ring-shaped flow guide cylinder through a liquid delivery pipe, a booster flow guide pump is arranged at the bottom of the bowl-shaped installation cylinder, one end of the booster flow guide pump is communicated with the buffer flow guide cavity, and the other end of the booster flow guide pump is provided with a connecting pipe.

7. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 4, characterized in that, The other end of the flow guide installation cylinder is provided with a limiting rotating frame, a limiting rotating sleeve is arranged in cooperation with the limiting rotating frame, a plurality of steering driving guide rollers are arranged at equal angles on the limiting rotating frame, the steering driving guide rollers are in contact with the inner wall of the limiting rotating sleeve, limiting power supply rings are symmetrically arranged at the two sides of the limiting rotating frame, a limiting power supply groove is arranged on the inner side of the limiting rotating sleeve in cooperation with the limiting power supply ring, a plurality of rotating scrapers are arranged at equal angles on the outer side of the limiting rotating sleeve, and the rotating scrapers are arranged in contact with the ring-shaped arc surface cover and the smooth tapered cylinder cover.

8. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 7, characterized in that, The outer end of the limiting rotary column extends out of the flow guide installation cylinder, and the outer end of the limiting rotary column is coaxially provided with a limiting rotary shaft, the limiting rotary shaft is provided with a conical surface installation column opposite along the axial direction, one end of the conical surface installation column is provided with a limiting bearing sleeve matched with the limiting rotary shaft, the outer side of the limiting bearing sleeve is provided with a plurality of flow guide support plates at equal angles, the other end edge of the conical surface installation column is provided with a reset rubber ring, and the reset rubber ring is provided with an annular arc surface flow guide plate outward.

9. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 8, characterized in that, The annular arc surface flow guide plate is provided with a plurality of flow guide grooves at equal angles on the side facing the bowl-shaped installation cylinder, and the outer side of the conical surface installation column is also provided with a plurality of flow guide grooves at equal angles.

10. The self-moving dust collecting and ventilating equipment for tunnel construction according to claim 9, characterized in that, The end of the conical surface installation column is provided with a spacing adjustment telescopic column, the outer end of the spacing adjustment telescopic column is provided with a spacing adjustment installation disc, the outer side of the spacing adjustment installation disc is provided with a plurality of swing installation rods at equal angles, one end of the swing installation rod is connected with the edge of the spacing adjustment installation disc through a steering rotary shaft, and the other end of the swing installation rod is provided with a rubber top block.

Images