CN210317386U - Dust removal device for tunneling and anchoring machine - Google Patents
Dust removal device for tunneling and anchoring machine Download PDFInfo
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- CN210317386U CN210317386U CN201920800761.3U CN201920800761U CN210317386U CN 210317386 U CN210317386 U CN 210317386U CN 201920800761 U CN201920800761 U CN 201920800761U CN 210317386 U CN210317386 U CN 210317386U
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- dust removing
- dust removal
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- 239000000428 dust Substances 0.000 title claims abstract description 179
- 238000004873 anchoring Methods 0.000 title claims abstract description 15
- 230000005641 tunneling Effects 0.000 title abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 8
- 239000003595 mist Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 16
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides a dust collector for tunneling and anchoring machine, include: the dust removal mechanism comprises a dust removal air duct, a first cavity and a second cavity which are communicated with each other are arranged in the dust removal air duct, a spray nozzle is arranged in the first cavity, and a vibrating wire filter plate is arranged in the second cavity; the separation cylinder is connected with the dust removal air cylinder and communicated with the second chamber, and a demister is arranged in the separation cylinder; and a power unit arranged at the tail end of the separation cylinder and used for providing power, wherein dust-containing gas can be sucked under the action of the power unit and passes through the vibrating wire filter plate to form a dust-containing liquid gas flow under the action of mist spray, and the separation cylinder is configured to separate the dust-containing liquid gas flow from the dust-containing liquid gas flow through the mist eliminator and discharge the dust-containing liquid gas flow and the gas flow out of the separation cylinder respectively; and the supporting mechanism is used for mounting the dust removing mechanism on the driving and anchoring machine and is configured to be capable of adjusting the opening degree and the working position of the air suction opening of the dust removing mechanism.
Description
Technical Field
The utility model relates to a dust removal technical field specifically, relates to a dust collector for digging anchor machine.
Background
The tunneling and anchoring machine is widely applied to rapid tunneling, tunneling and transportation of coal mines. During the tunneling construction process of the tunneling and anchoring machine, coal dust generated on the working face is too large, so that the normal excavation of equipment and the health of workers are seriously influenced. Therefore, the excavator usually adopts a dust removal fan to remove dust.
However, the existing dust removing equipment still has some problems and disadvantages. For example, the existing dust removing equipment has a complex structure, a series of trailers are used for carrying wind cylinders, dust collectors and the like, the occupied space is large, the movement is inconvenient, and the operation requirement is high. The existing dust removing equipment is mainly and fixedly arranged at the rear part of the tunneling and anchoring machine, the dust and smoke gas at the position of the machine body of the tunneling and anchoring machine cannot be effectively treated, the opening degree of an air suction opening and the working position of a dust removing device cannot be adjusted, and the dust removing effect is poor. Moreover, the existing dust removing equipment has lower dust removing efficiency, small dust-containing gas treatment amount, unobvious dust removing effect and higher cost.
At present, the dust remover ventilation blower adopts motor drive usually, and this is unfavorable for using in some special operating mode environment, and the dust remover ventilation blower installs in the dryer intermediate position, has reduced the flow area greatly to influence its ventilation dust removal effect. In addition, the existing dust remover is not provided with a demister, and the humidity of the treated gas is higher, so that the overall dust removal efficiency is influenced, and the service life of the dust removal equipment is shortened.
SUMMERY OF THE UTILITY MODEL
To the technical problem as above, the utility model aims at providing a dust collector for driving anchor machine, this dust collector can adjust the aperture and the operating position of inlet scoop to fully absorb the dusty gas of working face, and can improve the adverse circumstances when driving anchor machine working face fast, thereby guarantee production safety. In addition, the dust removal device is simple in structure, convenient to operate, convenient to maintain and low in cost, and can remarkably improve the dust removal efficiency and enhance the dust removal effect.
Therefore, according to the utility model discloses, a dust collector for driving anchor machine is provided, include: dust removal mechanism, it includes: the dust collection air duct is used for absorbing dust-containing gas, a first cavity and a second cavity which are communicated with each other are arranged in the dust collection air duct, a spray nozzle is arranged in the first cavity, and a vibrating wire filter plate is arranged in the second cavity; the separation cylinder is connected with the dust removal air cylinder and communicated with the second chamber, and a demister is arranged in the separation cylinder; the power unit is arranged at the tail end of the separating cylinder and used for providing power, wherein dusty gas can be sucked into the dust removal air cylinder under the action of the power unit and passes through the vibrating wire filter plate to form dusty liquid gas flow under the action of spray formed by the spray nozzle, and the separating cylinder is constructed to separate dusty liquid and gas from the dusty liquid gas flow through the demister and discharge the dusty liquid and the gas out of the separating cylinder respectively; the supporting mechanism is used for mounting the dust removing mechanism on the driving and anchoring machine, and the supporting mechanism is configured to be capable of adjusting the opening degree and the working position of an air suction opening of the dust removing device.
In a preferred embodiment, the supporting mechanism comprises a dust removing bracket, and the dust removing mechanism is fixedly installed on the dust removing bracket.
In a preferred embodiment, the supporting mechanism further comprises a supporting oil cylinder connected with the dust removing support in a hinged manner, and a connecting screw rod connected with the dust removing support, wherein the supporting oil cylinder adopts a hydraulic control system to control the extension amount, and the supporting oil cylinder and the connecting screw rod jointly adjust the opening degree and the working position of the air suction opening of the dust removing device.
In a preferred embodiment, the opening degree of the air suction opening is set to be within the regulation range of 45-60 degrees.
In a preferred embodiment, the supporting mechanism further comprises a mounting seat for fixedly mounting on the driving and anchoring machine, and the supporting cylinder and the connecting screw rod are connected with the mounting seat in an articulated manner.
In a preferred embodiment, the vibrating wire filter plate is detachably mounted in the second chamber and is inclined at an angle to the inner wall of the second chamber.
In a preferred embodiment, a cylinder is connected to the tail end of the separation cylinder, an air outlet is formed in the cylinder, and the gas separated from the dust-containing liquid and gas flow is discharged through the air outlet.
In a preferred embodiment, the power unit is installed on the inner wall of the cylinder, and the power unit adopts a suction type axial flow fan and a motor set, or adopts a hydraulic motor and a hydraulic control valve set.
In a preferred embodiment, a drain outlet is arranged at the bottom of the separation cylinder, and the dust-containing liquid separated from the dust-containing liquid gas flow is discharged through the drain outlet.
In a preferred embodiment, the spray nozzle is supplied with water by a booster pump and is externally connected with a pressure reducing valve and a pressure gauge.
Compared with the prior art, the utility model has the advantages of:
according to the utility model discloses a dust collector for driving anchor machine adopts hydraulic control system and hydraulic pressure support cylinder to drive to can adjust dust collector's inlet scoop's aperture and operating position through supporting mechanism, with the dusty gas of abundant absorption working face. From this, improved dust removal mechanism's working range greatly, increased the square volume of handling dirty gas, showing the work efficiency and the dust removal effect that have improved dust collector. Meanwhile, the dust removal device can quickly improve the severe environment of the working face of the tunneling and anchoring machine during tunneling through the supporting mechanism, so that the production safety is guaranteed. In addition, the dust removal device has the advantages of simple structure, convenient maintenance and low cost.
Drawings
The present invention will be described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram showing a dust removing device for an anchor driving machine according to the utility model.
Fig. 2 is a schematic structural view showing a dust removing mechanism in the dust removing device shown in fig. 1.
In the present application, all the figures are schematic and are only intended to illustrate the principles of the present invention and are not drawn to scale.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
In the present application, it should be noted that an end of the dust removing device close to the working surface is defined as a front end or the like, and an end far from the working surface is defined as a rear end or the like. In addition, directional terms or qualifiers "up", "down", and the like used in the present application are with reference to fig. 1. They are not intended to limit the absolute positions of the parts involved, but may vary from case to case.
Fig. 1 schematically shows the structure of a dust removing device 100 for an excavator according to the present invention. As shown in fig. 1, the dust removing device 100 includes a dust removing mechanism 110 and a supporting mechanism 160 for mounting the dust removing mechanism 110. The dust removing mechanism 110 is a main part of the dust removing device 100, and is used for gradually treating the dust-containing gas for the purpose of removing dust. The supporting mechanism 160 is used for mounting the dust removing mechanism 110 on the excavator, and is capable of opening and working position of the air suction opening of the dust removing device 100.
Fig. 2 shows the structure of the dust removing mechanism 110. As shown in fig. 2, the dust removing mechanism 110 includes a dust removing air duct 120, and the dust removing air duct 120 is used for absorbing the dust-containing gas. A first chamber 121 and a second chamber 122 which are communicated with each other are arranged in the dust removing air cylinder 120. In one embodiment, the cross-section of the dust collection duct 120 is configured to be rectangular, and the cross-sectional area of the dust collection duct 120 is configured to be gradually increased from the front end to the rear end. The structure of the dust removing air duct 120 is beneficial to placing construction materials on the tops of the first cavity 121 and the second cavity 122, and the efficiency and the absorption effect of the dust-containing gas sucked by the dust removing air duct 120 can be effectively improved. A plurality of spray nozzles 124 are provided in the first chamber 121. For example, four spray nozzles 124 may be provided in the incoming flow direction. A vibrating wire filter plate 126 is disposed within the second chamber 122. Preferably, vibrating wire filter plate 126 is provided with two layers. Vibrating wire filter plate 126 is disposed at an angle inclined to the inner wall of second chamber 122. For example, vibrating wire filter plate 126 is preferably disposed at 45 ° to the inner wall of second chamber 122. This can improve the dust capturing effect and the dust removal efficiency. The structure of the dust-removing air duct 120 can effectively absorb the dust-containing gas, and the dust-removing effect of the dust-removing device 100 is enhanced.
In the present embodiment, a water pipe (not shown) installed perpendicular to the gas suction direction is provided in the first chamber 121, and both ends of the water pipe are installed on the upper and lower wall surfaces of the first chamber 121. Several spray nozzles 124 are evenly arranged on the water tube and are directed at vibrating wire filter plate 126. The water pipe is connected to a water circuit to allow the spray nozzle 124 to spray water mist toward the vibrating wire filter plate 126. In one embodiment, the waterway adopts a booster water pump to supply water and is externally connected with an external pressure reducing valve and a pressure gauge. Thus, the spraying effect of the spray nozzle 124 can be effectively controlled.
In this embodiment, vibrating wire filter plate 126 is removably mounted within second chamber 122. From this, vibrating wire filter plate 126 not only can improve vibrating wire filter plate 126 to the dust removal effect of dirty gas, change moreover and wash convenient and fast. In one embodiment, vibrating wire filter plate 126 is made of a wire-wound stainless steel frame. Of course, the vibrating wire filter plate 126 may be made of a fiber material. This effectively improves the durability and self-cleaning of vibrating wire filter plate 126.
In actual operation, dirty gas is drawn from the working face into the first chamber 121 and passes through vibrating wire filter plate 126. Meanwhile, the wire attached with the water curtain of the vibrating wire filter plate 126 can increase the weight or aggregate or retain the dust by wetting under the spraying action of the spraying nozzle 124. Thus, the dusty gas passing through vibrating wire filter plate 126 forms a wet dusty liquid gas stream for further processing.
According to the present invention, the dust removing mechanism 110 further includes a separating cylinder 130. As shown in fig. 2, the separation drum 130 communicates with the second chamber 122 of the dust extraction drum 120. A demister 132 is provided in the separation drum 130. The floor of the separation drum 130 is disposed to be inclined, and a drain outlet 134 is provided on an end surface of the separation drum 130 opposite to the inclined floor. The demister 132 is used for gas-liquid separation of the dust-containing liquid gas stream formed after the treatment by the vibrating wire filter plate 126. The dusty liquid stream, after treatment by vibrating wire filter plate 126, forms dusty liquid droplets as it passes through mist eliminator 132. At the same time, the dust-laden droplets are separated from the corrugated sheet surface by the inertial impaction of the gas. The separated dust-containing droplets are collected to form water flow, and fall onto the bottom plate under the action of gravity, and then are discharged from the sewage outlet 134, and the treated gas is discharged through the air outlet. Therefore, gas-liquid separation is realized, and dust removal of dust-containing gas is realized.
As shown in fig. 2, a cylinder 140 is fixedly coupled to a rear end of the separation cylinder 130. A power unit 150 is provided in the cylinder 140, and the power unit 150 is used for providing power for absorbing the dust-containing gas to the dust removing mechanism 110. In one embodiment, power unit 150 employs a suction axial fan and a motor set. The suction type axial flow fan is fixedly installed on the inner wall of the cylinder 140. Of course, the power unit 150 may also employ a hydraulic motor and a hydraulic control valve assembly, and connect hydraulic motor lines. The liquid-driven axial flow fan is small in structure size, high in system compatibility, capable of being suitable for working environments with high safety level requirements such as coal mines and the like, and wide in application range. The power unit 150 can make the dust removing mechanism 110 generate suction force, so as to absorb the dust-containing gas through the dust removing air duct 120, and then perform dust removing treatment. The suction type axial flow fan or the hydraulic motor can effectively ensure the dust-containing gas absorption effect of the dust removal mechanism 110, so that the dust removal effect and the dust removal efficiency of the dust removal mechanism 110 are effectively improved.
According to the utility model discloses, supporting mechanism 160 adopts hydraulic control system to adjust. As shown in fig. 1, the supporting mechanism 160 includes a dust-removing bracket 162, and the dust-removing mechanism 110 is fixedly mounted on the dust-removing bracket 162. The hydraulic control system includes a telescoping support cylinder 170 and connecting screw 172 connected to the dust bracket 162. One end of the support cylinder 170 is connected to the dust-removing bracket 162 in a hinged manner, and is connected to one end of the dust-removing bracket 162 close to the inlet of the dust-removing air duct 120. One end of the connection screw 172 is connected to the dust bracket 162 by a screw connection and is adjustable. From this, through the flexible of hydraulic control system control support cylinder 170, simultaneously, adjust connecting screw 172, adjust dust collector 100's working range to improve dirty gaseous absorption efficiency, further strengthened dust collector 100's dust collection efficiency and dust removal effect.
In this embodiment, the dust-removing bracket 162 is provided with an upper baffle 164 and a lower jaw plate 165, and after the dust-removing mechanism 110 is mounted on the dust-removing frame 162, the upper baffle 164 is located above the inlet of the dust-removing air duct 120, and the lower jaw plate 165 is located below the inlet of the dust-removing air duct 120. Meanwhile, retractable rubber plates 166 are provided on both sides of the upper barrier 164 and the lower jaw plate 165. Thus, the upper baffle 164, the lower jaw plate 165 and the rubber plate 166 together form the air suction opening of the dust removing device 100. In one embodiment, the lower jaw plate 166 is an isosceles trapezoid steel plate. Due to the elasticity of the rubber plate 166, the opening angle between the upper baffle plate 164 and the lower jaw plate 164 can be changed within a certain range by adjusting the supporting cylinder 170 and the connecting screw 172, so that the opening degree and the working position of the air suction opening of the dust removing device 100 can be adjusted. This structure of the dust removing frame 162 enlarges the working range of the dust removing device 100, thereby improving the working efficiency and the dust removing effect of the dust removing device 100.
In addition, the support mechanism 160 further includes a mounting bracket (not shown) fixedly mounted to the machine for mounting and connecting the dust extraction bracket 162 to mount and connect the dust extraction device 100 to the machine. The supporting oil cylinder 170 and the connecting screw 172 are hinged with the mounting base through a pin shaft. Therefore, the opening degree and the working position of the air suction opening of the dust removing device 100 are adjusted by controlling the extending amount of the support cylinder 170 and adjusting the connecting screw 172. According to the utility model, the opening degree of the air suction opening of the dust removing device 100 is in the range of 45-60 degrees, and the working height can be adjusted in the range of 3000-4000 mm. The dust removing device 100 greatly improves the working range of the dust removing mechanism 110 through the supporting mechanism 160, increases the square amount of dust-containing gas, and obviously improves the working efficiency and the dust removing effect of the dust removing device 100.
In the present embodiment, a limit screw (not shown) is provided at the inner side of the support cylinder 170. In the telescopic process of the supporting oil cylinder 170, the front end of the lower jaw plate can swing up and down, and the limiting screw is used for limiting the telescopic amount of the supporting oil cylinder 170 so as to limit the limiting position of the supporting oil cylinder, so that the opening degree of the air suction opening of the dust removal device 100 can be adjusted.
The following briefly describes the working process of the dust removing device 100 for the driving and anchoring machine according to the present invention. In the actual dust removing process of the dust removing device 100, under the suction force provided by the power unit 150, the dust-containing gas is sucked into the dust removing air duct 120 of the dust removing mechanism 110 from the air suction opening and passes through the vibrating wire filter plate 126. Meanwhile, the expansion amount of the support cylinder 170 can be adjusted by the hydraulic control system, and the opening degree and the working position of the air suction opening of the dust removing mechanism 110 are adjusted by adjusting the connecting screw 172, so that the dust-containing gas on the working surface can be fully absorbed. The wire attached with the water curtain of the vibrating wire filter plate 126 can increase the weight or coalesce or retain the dust under the spraying action of the spray nozzle 124, so that the dust-containing gas passing through the vibrating wire filter plate 126 forms a wet dust-containing liquid gas flow. The dusty liquid gas stream enters the separation drum 130 and forms dusty liquid droplets as it passes through the mist eliminator 132. At the same time, the dust-laden droplets are separated from the corrugated sheet surface by the inertial impaction of the gas. The separated dust-containing droplets are collected to form a water flow, and fall onto the bottom plate under the action of gravity, and then are discharged from the sewage outlet 134, and the treated gas is discharged through the air outlet. Therefore, gas-liquid separation is realized, and dust removal of dust-containing gas is realized.
According to the utility model discloses a dust collector 100 for tunneling and anchoring machine, it adopts hydraulic control system and hydraulic pressure support cylinder to drive to can adjust the aperture and the operating position of dust removal mechanism 110's inlet scoop through supporting mechanism 160, with the dusty gas of fully absorbing the working face. Therefore, the working range of the dust removing mechanism 110 is greatly increased, the square amount of dust-containing gas is increased, and the working efficiency and the dust removing effect of the dust removing device 100 are obviously improved. Meanwhile, the dust removing device 100 can rapidly improve the severe environment of the working face of the tunneling and anchoring machine during tunneling through the supporting mechanism 160, so that the production safety is guaranteed. In addition, the dust removing device 100 has a simple structure, is convenient to maintain and has low cost.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention in any way. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing examples, or that equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dust extraction apparatus for an anchor driving machine, comprising:
a dust removal mechanism (110) comprising:
the dust collection air duct (120) is used for absorbing dust-containing gas, a first cavity (121) and a second cavity (122) which are communicated with each other are arranged in the dust collection air duct, a spray nozzle (124) is arranged in the first cavity, and a vibrating wire filter plate (126) is arranged in the second cavity;
the separation cylinder (130) is connected with the dust removal air cylinder and communicated with the second chamber, and a demister (132) is arranged in the separation cylinder; and
a power unit (150) arranged at the tail end of the separation cylinder and used for providing power, wherein, dusty gas can be sucked into the dust removal air cylinder under the action of the power unit and passes through the vibrating wire filter plate to form dusty liquid gas flow under the action of the spray formed by the spray nozzle, the separation cylinder is constructed to separate dusty liquid and gas from the dusty liquid gas flow through the demister and discharge the dusty liquid and gas out of the separation cylinder respectively;
a support mechanism (160) through which the dust removal mechanism is mounted to the excavator, the support mechanism being configured to be capable of adjusting an opening degree and a working position of an air suction opening of the dust removal device.
2. The dust extraction apparatus of claim 1 wherein the support mechanism includes a dust extraction bracket (162) and the dust extraction mechanism is fixedly mounted to the dust extraction bracket.
3. The dust removing device of claim 2, wherein the supporting mechanism further comprises a supporting cylinder (170) connected with the dust removing bracket in a hinged manner, and a connecting screw rod (172) connected with the dust removing bracket, the supporting cylinder adopts a hydraulic control system to control the extension amount, and the supporting cylinder and the connecting screw rod jointly adjust the opening degree and the working position of the air suction port of the dust removing device.
4. A dust-collecting device as claimed in claim 1 or 3, characterized in that the opening of the suction opening is set in the adjustment range of 45 ° -60 °.
5. The dust collector as claimed in claim 3, wherein the support mechanism further comprises a mounting seat for fixed mounting to the driving and anchoring machine, and the support cylinder and the connecting screw are connected with the mounting seat in an articulated manner.
6. The dust collector of claim 1, wherein the vibrating wire filter plate is detachably mounted in the second chamber and is inclined at an angle to the inner wall of the second chamber.
7. The dust removing device of claim 1, wherein a cylinder (140) is connected to the tail end of the separating cylinder, an air outlet is arranged in the cylinder, and the gas separated from the dust-containing liquid and gas flow is discharged through the air outlet.
8. The dust collector of claim 7, wherein the power unit is mounted on the inner wall of the cylinder, and the power unit adopts a suction type axial flow fan and a motor set, or adopts a hydraulic motor and a hydraulic control valve set.
9. A dust-collecting device as claimed in claim 1 or 7, characterized in that a drain (134) is provided at the bottom of the separating drum, through which drain the dust-laden liquid separated from the dust-laden liquid-gas stream is discharged.
10. The dust removing apparatus according to claim 1, wherein the spray nozzle is supplied with water by a booster pump and is externally connected with a pressure reducing valve and a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920800761.3U CN210317386U (en) | 2019-05-30 | 2019-05-30 | Dust removal device for tunneling and anchoring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920800761.3U CN210317386U (en) | 2019-05-30 | 2019-05-30 | Dust removal device for tunneling and anchoring machine |
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| Publication Number | Publication Date |
|---|---|
| CN210317386U true CN210317386U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920800761.3U Active CN210317386U (en) | 2019-05-30 | 2019-05-30 | Dust removal device for tunneling and anchoring machine |
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| CN (1) | CN210317386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242343A (en) * | 2019-05-30 | 2019-09-17 | 中国铁建重工集团股份有限公司 | Dust removal device for tunneling and anchoring machine |
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2019
- 2019-05-30 CN CN201920800761.3U patent/CN210317386U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242343A (en) * | 2019-05-30 | 2019-09-17 | 中国铁建重工集团股份有限公司 | Dust removal device for tunneling and anchoring machine |
| CN110242343B (en) * | 2019-05-30 | 2024-07-16 | 中国铁建重工集团股份有限公司 | Dust removing device for digging and anchoring machine |
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