CN209924947U - Dust removal equipment for soft rock tunnel surrounding rock dry drilling - Google Patents
Dust removal equipment for soft rock tunnel surrounding rock dry drilling Download PDFInfo
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- CN209924947U CN209924947U CN201920793589.3U CN201920793589U CN209924947U CN 209924947 U CN209924947 U CN 209924947U CN 201920793589 U CN201920793589 U CN 201920793589U CN 209924947 U CN209924947 U CN 209924947U
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Abstract
The utility model provides a dust collecting equipment for drilling of soft rock tunnel country rock dry process, establish the dust collecting device cover on the drilling rod, during drilling, the dust of production is direct to be inhaled in the dust collecting device then through straining in the dust device filters the back and get into purifier, it has water to annotate in the purifier, can reduce dust pollution, and thus, can not disturb constructor's sight and health, also can not cause the threat to construction period and safety, this dust collecting equipment convenient to use, energy-concerving and environment-protective, characteristics such as application scope is wide, construction environment has both been improved, the life of extension construction machinery, and the efficiency of construction is improved.
Description
Technical Field
The utility model belongs to the technical field of the dust treatment of tunnel country rock drilling, concretely relates to a dust collecting equipment for drilling of soft rock tunnel country rock dry process.
Background
Along with the increase of tunnel engineering construction in China, adverse geological conditions encountered in construction are more and more, and weak and broken surrounding rock tunnels account for a higher proportion. In the tunnel construction process, drilling is an indispensable work, and drilling in the construction is many and quantity is big, and the quantity that produces the dust in its work progress is very big. Especially in the process of drilling a tunnel top plate, dust gushes out from holes under the action of high wind pressure under the action of gravity, seriously interferes the sight and health of constructors, and threatens the construction period and safety.
When the soft rock tunnel is constructed, the adopted drilling method is generally dry drilling, and is mainly determined by two reasons, firstly, the soft rock has low strength, large porosity and poor cementation degree, and is obviously influenced by structural surface cutting and weathering, and if the soft rock tunnel is constructed by adopting a wet method and drilling with water, the problems of hole collapse, drill sticking and insufficient anchoring force of an anchor cable/rod can be caused; secondly, if the dust is treated by increasing the blowing amount, the power of the fan cannot meet the requirement of tunnel ventilation along with the increasing of the tunneling distance, and even if the power of the fan is increased without limit, the fan cannot blow air independently for a certain drilling hole or a certain area, so that the dust cannot be reduced effectively.
Therefore, it is desirable to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists in the correlation technique to a certain extent at least, the utility model provides a dust collecting equipment for soft rock tunnel country rock dry process drilling, establish the dust collecting device cover on the drilling rod, during drilling, the dust of production is direct to be inhaled in the dust collecting device then through filter in the dust collecting device filters the back and get into purifier, it has water to annotate in the purifier, can reduce dust pollution, so, can not disturb constructor's sight and health, also can not cause the threat to construction period and safety, this dust collecting equipment convenient to use, energy-concerving and environment-protective, characteristics such as application scope is wide, construction environment has both been improved, the life of extension construction machinery, and the efficiency of construction is improved again.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a dust collecting equipment for drilling of soft rock tunnel country rock dry process, a dust collecting equipment for drilling of soft rock tunnel country rock dry process includes:
the dust collecting device comprises a conical dust collecting cover and a three-way connector, the three-way connector is T-shaped and is provided with a first pipe orifice, a second pipe orifice and a third pipe orifice, the conical dust collecting cover comprises a large end and a small end, the large end is an opening, the small end is connected with the first pipe orifice of the three-way connector, the inner diameter of the small end is not more than that of the first pipe orifice, the second pipe orifice is an opening, and the small end, the large end, the first pipe orifice and the second pipe orifice are coaxially arranged;
the dust filtering device is provided with an air inlet and an air outlet, the air inlet is communicated with a third pipe orifice of the dust collecting device through a first conduit, and the dust filtering device is used for filtering dust in gas passing through the dust filtering device;
and the purifying device is connected with the air outlet of the dust filtering device through a second conduit and is used for purifying the gas output by the air outlet of the dust filtering device.
In the above dust collecting equipment for soft rock tunnel surrounding rock dry drilling, as a preferable scheme, the dust collecting equipment for soft rock tunnel surrounding rock dry drilling further includes:
and the power supply is electrically connected with the dust filtering device and used for driving the dust filtering device.
In the dust removing equipment for the soft rock tunnel surrounding rock dry drilling, as a preferable scheme, the dust filtering device comprises;
the dust filtering box is of a cavity-shaped structure enclosed by a shell, the air inlet and the air outlet are respectively and oppositely arranged on the shell of the dust filtering box, and the dust filtering box is used for collecting dust filtered by the dust filtering device;
the dust filtering net is detachably arranged along the longitudinal section of the dust filtering box and divides the dust filtering box into two parts, and the dust filtering net is used for filtering dust in the gas passing through the dust filtering box;
and the fan is fixedly arranged in the cavity between the dust filtering net and the air outlet and is used for forming negative pressure in the dust filtering box.
In foretell dust collecting equipment who is used for soft rock tunnel country rock dry process drilling, as preferred scheme, the dirt filter screen separates into dust collecting chamber and equipment chamber with the dust filter box, the dust collecting chamber is the cavity that dirt filter screen, dirt filter box shell and air intake formed, the equipment chamber is the cavity that dirt filter screen, dirt filter box shell and air outlet formed, the fan is fixed to be set up in the equipment chamber, dirt filter box inner wall is equipped with the buckle, the dirt filter screen passes through buckle and dirt filter box joint.
In the dust removing equipment for the soft rock tunnel surrounding rock dry drilling, as an optimal scheme, an opening is formed in the dust filtering box shell at the upper part of the dust collecting cavity, a shell cover is arranged on the dust filtering box shell, the size of the opening of the shell cover is consistent with that of the opening of the dust filtering box shell, a sealing gasket is arranged between the shell cover and the shell, and the shell cover is detachably connected with the dust filtering box shell.
In foretell dust collecting equipment for soft rock tunnel country rock dry process drilling, as preferred scheme, be equipped with the wind channel in the equipment chamber, wind channel one end unanimous with the dust filter screen size and with dust filter screen sealing connection, the wind channel other end seals up and communicates to the air outlet, the fan intersects with wind channel fixed seal, separates into two parts with the wind channel, the fan is equipped with air inlet end and the air supply end that all is in the wind channel inside, the air inlet end sets up towards the dust filter screen, the air-out end sets up towards the air outlet.
In the dust removing equipment for the soft rock tunnel surrounding rock dry drilling, as an optimal scheme, the air channel between the air inlet end of the fan and the dust filter screen is of a hood type structure, and the air channel between the air supply end of the fan and the air outlet is of a circular tube type structure.
In the dust removing equipment for the dry drilling of the surrounding rock of the soft rock tunnel, as a preferable scheme, the end part of the second pipe orifice is provided with a rubber sealing ring.
In foretell dust collecting equipment who is used for soft rock tunnel country rock dry process drilling, as preferred scheme, purifier is including the dust removal pond, the dust removal pond is box structure and upper portion is the opening, the dust removal pond inner wall is equipped with the mounting, the second pipe is terminal to be fixed inside the dust removal pond through the mounting, the inside water injection of dust removal pond, bottom are equipped with the outlet that is used for the drainage and are equipped with the end cap.
In the dust removing equipment for the soft rock tunnel surrounding rock dry drilling, as a preferable scheme, the second conduit is provided with a check valve.
Compared with the closest prior art, the utility model provides a technical scheme has following excellent effect:
the utility model provides a dust collecting equipment for drilling of soft rock tunnel country rock dry process, establish the dust collecting device cover on the drilling rod, during drilling, the dust of production is direct to be inhaled in the dust collecting device then through straining in the dust device filters the back and get into purifier, it has water to annotate in the purifier, can reduce dust pollution, and thus, can not disturb constructor's sight and health, also can not cause the threat to construction period and safety, this dust collecting equipment convenient to use, energy-concerving and environment-protective, characteristics such as application scope is wide, construction environment has both been improved, the life of extension construction machinery, and the efficiency of construction is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
FIG. 1 is a schematic view of the overall structure of a dust removing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic front view of the dust collecting device according to the embodiment of the present invention;
FIG. 3 is a schematic side view of the dust collecting device according to the embodiment of the present invention;
FIG. 4 is a schematic front view of the dust filter of the embodiment of the present invention;
FIG. 5 is a schematic top view of the dust filter of the embodiment of the present invention;
FIG. 6 is a schematic front view of the purifying device in the embodiment of the present invention;
FIG. 7 is a schematic top view of the purifying device according to the embodiment of the present invention;
fig. 8 is a schematic structural view of a catheter according to an embodiment of the present invention;
fig. 9 is a partially enlarged view of a portion a in fig. 5.
In the figure: 1-dust collecting hood, 2-first pipe orifice, 3-second pipe orifice, 4-third pipe orifice, 51-first pipe, 52-second pipe, 6-air inlet guide head, 7-dust filtering box, 8-dust filtering net, 9-fan, 10-air outlet guide head, 11-shell, 12-power supply, 13-dust removing pool, 14-water outlet, 15-plug, 16-fixing piece, 17-air duct, 18-shell cover and 19-sealing washer.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The solution of the invention will be described in detail below with reference to the accompanying figures 1-9 in conjunction with an embodiment. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
According to the utility model discloses an embodiment provides a dust collecting equipment for soft rock tunnel country rock dry process drilling, and dust collecting equipment includes: the dust collecting device comprises a conical dust collecting cover 1 and a three-way connector, wherein the three-way connector is T-shaped and is provided with a first pipe orifice 2, a second pipe orifice 3 and a third pipe orifice 4, the conical dust collecting cover 1 comprises a large end and a small end, the large end is an opening, the small end is connected with the first pipe orifice 2 of the three-way connector, the inner diameter of the small end is not more than the inner diameter of the first pipe orifice 2, the second pipe orifice 3 is an opening, and the small end, the large end, the first pipe orifice 2 and the second pipe orifice 3 are coaxially arranged; the dust filtering device is provided with an air inlet and an air outlet, the air inlet is communicated with the third pipe orifice 4 of the dust collecting device through a first conduit 51, and the dust filtering device is used for filtering dust in gas passing through the dust filtering device; the purification device is connected with the air outlet of the dust filter through a second conduit 52 and is used for purifying the gas output from the air outlet of the dust filter; and the power supply 12 is electrically connected with the dust filtering device and used for driving the dust filtering device. As shown in fig. 1, the device comprises a dust collecting device, a dust filtering device, a purifying device and a power source 12, wherein one end of the dust filtering device is communicated with the third pipe orifice 4 on the side wall of the dust collecting device through a first conduit 51, the other end of the dust filtering device is communicated with the purifying device through a second conduit 52, and the power source 12 is used as a power source of the dust filtering device.
Wherein the big end of dust cage 1 of dust collecting device is the open end, the tip is the blind end, and the middle part of blind end is provided with the through-hole that supplies the drilling rod to pass, and drilling work is being carried out to the drilling rod promptly, and its outer wall cover has dust collecting device, and the junction seals to cup joint to leak from the clearance outward. Preferably, the dust collection cover 1 is made of high-elasticity rubber, so that the dust collection cover has good wear resistance and durability and is light in weight.
Further, as shown in fig. 2, the dust collecting device comprises a dust collecting cover 1 and a three-way connector connected with the bottom end of the dust collecting cover 1, the through hole of the dust collecting cover 1 is communicated with a first pipe orifice 2 of the three-way connector, and the connection position is in sealing connection; the through hole, the first pipe orifice 2 and the second pipe orifice 3 of the dust hood 1 are coaxial, namely a drill rod can simultaneously penetrate through the through hole, the first pipe orifice 2 and the second pipe orifice 3, the third pipe orifice 4 is provided with a dust guide head, preferably, the dust hood 1 is arranged into a conical structure, the cross sectional area of the conical structure is gradually reduced to be equal to that of the three-way connector along the direction from the opening end to the closed end, and therefore, the dust generated by drilling can be collected to the maximum degree by adopting the conical design.
Specifically, three way connection ware passes through threaded connection with dust cage 1, and one of them of the first mouth of pipe 2 of dust cage 1 tip and three way connection ware is provided with the internal thread, and another is provided with the external screw thread, so, can guarantee the steadiness of connecting.
As shown in fig. 3, the third pipe orifice 4 is disposed on the side wall of the three-way connector, one end of the first pipe 51 is fixed on the dust guiding head, and the other end is communicated with the air inlet of the dust filter. Further, first pipe 51 passes through threaded connection dust collecting device and dust filter, and convenient the dismantlement just has better leakproofness, and preferably, the material of first pipe 51 is wear-resisting rubber hose, can bend at will, adapts to various construction environment. Of course, the material of the first conduit 51 may be other materials according to the requirement, as the case may be.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling of embodiment, the dust filter includes; the dust filtering box 7 is a cavity-shaped structure enclosed by a shell 11, the air inlet and the air outlet are respectively and oppositely arranged on the shell 11 of the dust filtering box 7, and the dust filtering box 7 is used for collecting dust filtered by the dust filtering device; the dust filter 8 is detachably arranged along the longitudinal section of the dust filter box 7, the dust filter box 7 is divided into two parts, and the dust filter 8 is used for filtering dust in the gas passing through the dust filter box 7; and the fan 9 is fixedly arranged in the cavity between the dust filtering net 8 and the air outlet and is used for forming negative pressure in the dust filtering box 7.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling, dust filter 8 will strain dirt case 7 and separate into dust collection chamber and equipment chamber, the dust collection chamber is the cavity that dust filter 8, dust filter case shell 11 and air intake formed, the equipment chamber is the cavity that dust filter 8, dust filter case shell 11 and air outlet formed, fan 9 is fixed to be set up in the equipment chamber, dust filter 7 inner walls are equipped with the buckle, dust filter 8 passes through buckle and dust filter 7 joints.
In the preferred embodiment of the present invention, the power supply 12 is provided with a power supply controller for controlling the on/off and stabilizing the voltage of the power supply. The power supply controller and the power supply 12 are both arranged above the equipment cavity, most of the main body of the power supply 12 is positioned inside the equipment cavity, namely below the dust filter box shell 11, and the switch part of the power supply controller is positioned outside the equipment cavity, namely on the surface of the dust filter box shell 11.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling, the dust filter case shell 11 department on dust collecting chamber upper portion sets up the opening and is equipped with cap 18, cap 18 is unanimous with dust filter case shell 11's opening size, be equipped with seal ring 19 between cap 18 and the shell 11, cap 18 can dismantle with dust filter case shell 11 and be connected. Through setting up cap 18 to with the mode setting that dust filter 8 adopted the joint inside dust filter 7, conveniently clear up the dust of filtering out in the dust filter 7, and the dust that accumulates on the dust filter 8, dust filter 7 and dust filter 8 can be dismantled the washing and recycle.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling is equipped with wind channel 17 in the equipment chamber, wind channel 17 one end unanimous with the 8 size of dust screen and with dust screen 8 sealing connection, the sealed intercommunication of the wind channel 17 other end is to the air outlet, fan 9 intersects with wind channel 17 fixed seal, separates into two parts with wind channel 17, fan 9 is equipped with all is in the inside air inlet end in wind channel 17 and air supply end, the air inlet end sets up towards dust screen 8, the air-out end sets up towards the air outlet.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling, 9 air inlets of fan end and the wind channel 17 between the dust screen 8 are the bell-type structure, wind channel 17 between 9 air supply ends of fan and the air outlet is the pipe structure.
In this embodiment, as shown in fig. 4, the dust filtering device includes an air inlet connected to the third pipe orifice 4, a dust filtering box 7 and a dust filtering net 8, the dust filtering net 8 is communicated with a housing 11 of the driving device, a fan 9 is disposed inside the housing 11, an air outlet communicated with an inlet of the purifying device is disposed on a side wall of the housing 11, and the air outlet is connected to the purifying device through a second conduit 52, wherein the housing 11 is made of an ABS plastic housing 11, and has high strength and light weight.
As shown in fig. 5, the air inlet is provided with an air inlet guide head 6, the air outlet is provided with an air outlet guide head 10, and the first conduit 51 is connected with the air inlet guide head 6, the second conduit 52 is connected with the air outlet guide head 10 through threads, so that the structural stability is improved.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling, the tip of the mouth of pipe 3 of second is provided with the rubber seal ring. The rubber seal is hollow structure, and the drilling rod can pass the rubber seal and drill, so set up, and the dust that the drilling produced can not fall subaerial.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling, purifier is including dust removal pond 13, dust removal pond 13 is box structure, and upper portion is the opening, dust removal pond 13 inner wall is equipped with mounting 16, second pipe 52 is terminal to be fixed inside dust removal pond 13 through mounting 16, the inside water injection of dust removal pond 13, the bottom is equipped with the outlet 14 that is used for the drainage and is equipped with end cap 15. In this embodiment, the bottom end of the purification device dust-removing pool 13 is provided with a water outlet 14 for draining water, and the water outlet 14 is provided with a plug 15, further, for sealing and draining, the water outlet 14 is provided with a circular hole with a diameter of 50mm, the plug 15 is provided with a rubber plug, and the size of the dust-removing pool 13 is 500mm 1000mm 500 mm.
Preferably, the purification apparatus is provided as a dust removing tank 13, water is filled in the dust removing tank 13, a fixing member 16 for fixing the second guide pipe 52 is provided inside the purification apparatus, and further, in order to ensure that as much dust as possible falls into the dust removing tank 13, the fixing member 16 is provided inside near the bottom. Specifically, the fixing member 16 is a snap for fixing the second conduit 52 and preventing the second conduit 52 from being separated from the dust removing tank 13 when the machine is in operation.
According to the utility model discloses a dust collecting equipment for soft rock tunnel country rock dry process drilling is equipped with the check valve on the second pipe 52. When equipment is shut down or dust cage 1 blocks up, can produce very big negative pressure because fan 9's effect in the dust filtration case 7, under the negative pressure effect, the sewage in the dust removal pond 13 flows back to dust filtration case 7 and wind channel 17 through second pipe 52 easily, produces harmful effects to fan 9, sets up the check valve and can avoid this kind of condition to take place. The check valve is communicated from the dust filtering box 7 to the dust removing pool 13.
It should be noted that, in order to control the start and stop of the fan 9, the dust removing device further includes a fan 9 driver communicatively connected to the fan 9.
In the preferred scheme of this embodiment, the diameter of the catheter is 100mm, and the catheter is composed of an inner rubber layer, a steel wire braid layer and an outer rubber layer; the dust removal equipment is suitable for 50-100 mm drill holes, and the maximum treatable stone chip diameter is 50 mm; the power of the fan 9 is 3 KW.
In the following embodiments, the different devices or components in the above embodiments are combined, and the working steps of the dust removing device will be specifically described:
(1) whether the equipment placement position and the surrounding environment are safe or not is confirmed, and the safety and the reliability of operation are ensured;
(2) checking whether the power supply 12 meets safety and usage requirements;
(3) determining that the power supply controller is in a closed state, and switching on the power supply 12;
(4) assembling the dust collection cover 1, the three-way connector and the rubber sealing ring into a dust collection device through threads, and enabling the drill rod and the drill bit to penetrate through the dust collection device;
(5) cleaning the dust filtering box 7 and the dust filtering net 8, and resetting the dust filtering box 7 and the dust filtering net 8 after cleaning;
(6) placing the dust filter on a flat ground according to the length of the first conduit 51, and placing the dust removing pool 13 near the air outlet guide head 10 of the dust filter;
(7) connecting the second conduit 52 with the air outlet guide head 10, and fixing the second conduit 52 in the dedusting pool 13 by using a buckle;
(8) after the dedusting pool 13 is cleaned, a rubber plug is used for plugging a round hole at the bottom of the dedusting pool 13, and water is injected into the dedusting pool 13 to two thirds;
(9) when drilling, the power supply 12 and the fan 9 driver are turned on, and the dust removing equipment starts to work.
To sum up, establish the dust collecting device cover on the drilling rod, during drilling, the dust that produces is directly inhaled in the dust collecting device then filters through the dust filter, the large granule dust is strained in dust filter 7, after dust filter 7 fills up, directly dismantle the clearance accomplish back and buckle can, the tiny particle dust after filtering through dust filter 8 gets into purifier through second pipe 52 in, water has been annotated in the purifier, the tiny particle dust submerges in the aquatic, can reduce dust pollution, so, can not disturb constructor's sight and health, can not cause the threat to construction period and safety yet, this dust collecting equipment convenient to use, energy-concerving and environment-protective, characteristics such as application scope is wide, construction environment has both been improved, the life of extension construction machinery, construction efficiency has been improved again.
The foregoing is considered as illustrative and not restrictive, and all changes coming within the spirit and principles of the invention are intended to be embraced therein.
Claims (10)
1. The utility model provides a dust collecting equipment for soft rock tunnel country rock dry drilling which characterized in that, a dust collecting equipment for soft rock tunnel country rock dry drilling includes:
the dust collecting device comprises a conical dust collecting cover and a three-way connector, the three-way connector is T-shaped and is provided with a first pipe orifice, a second pipe orifice and a third pipe orifice, the conical dust collecting cover comprises a large end and a small end, the large end is an opening, the small end is connected with the first pipe orifice of the three-way connector, the inner diameter of the small end is not more than that of the first pipe orifice, the second pipe orifice is an opening, and the small end, the large end, the first pipe orifice and the second pipe orifice are coaxially arranged;
the dust filtering device is provided with an air inlet and an air outlet, the air inlet is communicated with a third pipe orifice of the dust collecting device through a first conduit, and the dust filtering device is used for filtering dust in gas passing through the dust filtering device;
and the purifying device is connected with the air outlet of the dust filtering device through a second conduit and is used for purifying the gas output by the air outlet of the dust filtering device.
2. The dust removing apparatus for soft rock tunnel surrounding rock dry drilling as claimed in claim 1, wherein the dust removing apparatus for soft rock tunnel surrounding rock dry drilling further comprises:
and the power supply is electrically connected with the dust filtering device and used for driving the dust filtering device.
3. The dust removing device for the soft rock tunnel surrounding rock dry drilling according to claim 2, wherein the dust filtering device comprises;
the dust filtering box is of a cavity-shaped structure enclosed by a shell, the air inlet and the air outlet are respectively and oppositely arranged on the shell of the dust filtering box, and the dust filtering box is used for collecting dust filtered by the dust filtering device;
the dust filtering net is detachably arranged along the longitudinal section of the dust filtering box and divides the dust filtering box into two parts, and the dust filtering net is used for filtering dust in the gas passing through the dust filtering box;
and the fan is fixedly arranged in the cavity between the dust filtering net and the air outlet and is used for forming negative pressure in the dust filtering box.
4. The dust removal equipment for soft rock tunnel surrounding rock dry drilling according to claim 3, wherein the dust filter screen divides the dust filter box into a dust collection cavity and an equipment cavity, the dust collection cavity is a cavity formed by the dust filter screen, a dust filter box shell and an air inlet, the equipment cavity is a cavity formed by the dust filter screen, the dust filter box shell and an air outlet, the fan is fixedly arranged in the equipment cavity, a buckle is arranged on the inner wall of the dust filter box, and the dust filter screen is clamped with the dust filter box through the buckle.
5. The dust removing device for the soft rock tunnel surrounding rock dry drilling according to claim 4, wherein an opening is formed in the dust box shell at the upper part of the dust collecting cavity, a shell cover is arranged on the dust box shell, the size of the shell cover is consistent with that of the opening of the dust box shell, a sealing gasket is arranged between the shell cover and the shell, and the shell cover is detachably connected with the dust box shell.
6. The dust removing device for the soft rock tunnel surrounding rock dry drilling according to claim 4, wherein an air duct is arranged in the device cavity, one end of the air duct is consistent with the size of the dust filter screen and is connected with the dust filter screen in a sealing mode, the other end of the air duct is communicated to the air outlet in a sealing mode, the fan is crossed with the air duct in a fixed sealing mode and divides the air duct into two parts, the fan is provided with an air inlet end and an air outlet end which are both arranged inside the air duct, the air inlet end is arranged towards the dust filter screen, and the air outlet end is arranged towards the air outlet.
7. The dust removing device for the soft rock tunnel surrounding rock dry drilling according to claim 6, wherein an air channel between the air inlet end of the fan and the dust filter screen is of a hood type structure, and an air channel between the air supply end of the fan and the air outlet is of a circular tube type structure.
8. The dust removing device for the soft rock tunnel surrounding rock dry drilling according to claim 1, wherein the end of the second pipe orifice is provided with a rubber sealing ring.
9. The dust removing device for the soft rock tunnel surrounding rock dry drilling according to claim 1, wherein the purifying device comprises a dust removing tank, the dust removing tank is of a box-type structure, the upper part of the dust removing tank is provided with an opening, a fixing part is arranged on the inner wall of the dust removing tank, the tail end of the second conduit is fixed inside the dust removing tank through the fixing part, water is injected into the dust removing tank, and the bottom of the dust removing tank is provided with a water outlet for draining water and a plug.
10. The dust removing apparatus for soft rock tunnel surrounding rock dry drilling of claim 9, wherein the second conduit is provided with a check valve.
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| CN201920793589.3U CN209924947U (en) | 2019-05-29 | 2019-05-29 | Dust removal equipment for soft rock tunnel surrounding rock dry drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110029952A (en) * | 2019-05-29 | 2019-07-19 | 中国矿业大学(北京) | Cleaner for the drilling of soft rock tunnel country rock dry method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110029952A (en) * | 2019-05-29 | 2019-07-19 | 中国矿业大学(北京) | Cleaner for the drilling of soft rock tunnel country rock dry method |
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