CN112832693A - Drilling device for laying cable pipeline - Google Patents
Drilling device for laying cable pipeline Download PDFInfo
- Publication number
- CN112832693A CN112832693A CN202110014775.4A CN202110014775A CN112832693A CN 112832693 A CN112832693 A CN 112832693A CN 202110014775 A CN202110014775 A CN 202110014775A CN 112832693 A CN112832693 A CN 112832693A
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- plate
- fixedly connected
- driving
- supporting plate
- backup pad
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling device for laying a cable pipeline, which belongs to the technical field of laying of the cable pipeline and comprises a bottom plate, a top plate and a movable plate, wherein the two sides of the upper surface of the bottom plate along the width direction of the bottom plate are respectively and fixedly connected with a first supporting plate and a second supporting plate; the top of roof all seted up a guide slot along its width direction's both sides, all be provided with a removal baffle in the guide slot, remove baffle and guide slot clearance fit, the bottom of removing the baffle is along its length direction both sides fixedly connected with travelling wheel respectively. The waste material discharging device can discharge waste materials generated in the drilling process in time, and prevents a large amount of waste materials from being accumulated together, so that the accumulated waste materials are prevented from hindering workers to install the extension rod additionally.
Description
Technical Field
The invention relates to a drilling device, in particular to a drilling device for laying a cable pipeline, and belongs to the technical field of cable pipeline laying.
Background
With the advance of social security three-dimensional prevention and control engineering, video monitoring needs to be installed on important roads and road junctions, and in the construction process, part of monitoring points need to cross the roads for wiring.
In some fields where roads are narrow, short in distance and incapable of operating in large-scale pipe jacking machines, the roads are usually drilled through in a drilling mode so as to facilitate laying of cable pipelines.
The drilling equipment that current is used for cable duct to lay includes power engine, spiral cavity auger pole and drill bit, at the drilling in-process, according to the width of road, needs install the extension rod additional, and drill bit drilling can produce the waste material, if a large amount of waste materials pile up together, can hinder the staff to install the extension rod additional.
Disclosure of Invention
The present invention is directed to solve the above problems, and an object of the present invention is to provide a drilling apparatus for cable conduit installation, which can discharge waste materials generated during a drilling process in time, and prevent a large amount of waste materials from being accumulated, thereby preventing the accumulated waste materials from interfering with installation of an extension rod by a worker.
The invention achieves the aim through the following technical scheme, and the drilling device for laying the cable pipeline comprises a bottom plate, a top plate and a movable plate, wherein the two sides of the upper surface of the bottom plate along the width direction of the bottom plate are respectively and fixedly connected with a first supporting plate and a second supporting plate;
the top end of the top plate is provided with a guide groove along both sides of the width direction of the top plate, a movable guide plate is arranged in each guide groove, the movable guide plates are in clearance fit with the guide grooves, the bottom end of each movable guide plate is fixedly connected with a travelling wheel along both sides of the length direction of the bottom end of the movable guide plate, the travelling wheels at the bottom end of each movable guide plate are connected to the bottom surface of the guide groove in a sliding manner, a movable plate is arranged above the top plate, and the top ends of the two movable guide plates are fixedly connected with the bottom end of;
a vertical plate is fixedly connected to one side of the top end of the top plate along the length direction of the top plate, a drilling device is fixedly connected to the top end of the moving plate, and a driving device is connected to one end, facing the vertical plate, of the moving plate;
the plate body of the bottom plate, which is positioned between the first supporting plate and the second supporting plate, is fixedly connected with a material guide seat, a driving shaft and a driven shaft are rotatably connected between the first supporting plate and the second supporting plate, and shaft bodies of the driving shaft and the driven shaft, which are positioned between the first supporting plate and the second supporting plate, are fixedly connected with a plurality of groups of rotating plates;
the side fixedly connected with protective housing that the second backup pad deviates from first backup pad, the one end that driving shaft and driven shaft deviate from first backup pad all passes the second backup pad and extends to in the protective housing and connect through transmission.
Preferably, in order to enable the drilling device to drill holes, the drilling device comprises a gasoline engine fixedly connected to the top end of the movable plate, the output end of the gasoline engine, which is far away from the vertical plate, is connected with a gearbox through a clutch, the output end of the gearbox, which is far away from the vertical plate, is fixedly connected with a spiral hollow auger rod, and one end, which is far away from the gearbox, of the spiral hollow auger rod is fixedly connected with a drill bit.
Preferably, in order to enable the moving plate to move, the driving device comprises an air cylinder, the air cylinder is fixedly connected to one end, facing the moving plate, of the vertical plate, the side, facing the vertical plate, of the moving plate is fixedly connected with a vertical connecting plate, and the driving end of the air cylinder horizontally faces the connecting plate and is fixedly connected with the connecting plate.
Preferably, for the waste material discharge of drill bit one side to the bottom plate one side of keeping away from the drill bit, the guide seat is straight triangular prism structure, the top of guide seat is the inclined plane, the one end that the riser was kept away from to the inclined plane highly is higher than the height that the inclined plane is close to the one end of riser.
Preferably, in order to make driving shaft and driven shaft can rotate, transmission is including third backup pad and the driving motor that is located the protective housing, the one end fixed connection of third backup pad deviates from the side of first backup pad in the second backup pad, driving motor fixed connection is on the top of third backup pad, driving motor's output and the one end fixed connection that the driving shaft is located the protective housing, the fixed cover of axis that the driving shaft is located the protective housing is equipped with the action wheel, the fixed cover of axis that the driven shaft is located the protective housing is equipped with from the driving wheel, the action wheel passes through the belt and is connected from the driving wheel.
Preferably, the driving shaft and the driven shaft are both horizontally arranged, the driving shaft and the driven shaft are parallel to each other, and the height of the driving shaft is higher than that of the driven shaft.
Preferably, in order to enable the protection box to have a good heat dissipation effect and a good dustproof effect, a plurality of heat dissipation holes arranged in a matrix are formed in the box body at the bottom end of the protection box, and a dustproof filter screen used for covering the heat dissipation holes is fixedly connected to the lower surface of the protection box.
The invention has the beneficial effects that:
1. the waste material conveying device is provided with a material guide seat, a driving shaft, a driven shaft, a rotating plate and a transmission device, waste materials generated by drilling slide to one side far away from a drill bit along an inclined plane at the top end of the material guide seat, the driving shaft is driven to rotate by a driving motor, the driven shaft is driven to rotate by the transmission action of a driving wheel, a belt and a driven wheel, so that the rotating plate on the driving shaft and the driven shaft rotate, the waste materials on the inclined plane on the material guide seat are pushed to one side far away from the drill bit by the rotating plate, the waste materials generated in the drilling process are discharged in time, a large amount of waste materials are prevented from being accumulated together, and;
2. be provided with roof, guide slot, movable plate, removal baffle and travelling wheel, lead to the removal of removing the baffle through the guide slot to make the removal of movable plate more steady, be favorable to the drill bit to carry out drilling work, reduce the friction that the removal baffle received through the travelling wheel simultaneously, reduce power consumption, more be favorable to removing the baffle and remove.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 1 in accordance with the present invention;
FIG. 6 is an enlarged view taken at C of FIG. 5 in accordance with the present invention;
fig. 7 is a sectional view of the top plate of fig. 2 of the present invention at the location of the guide groove.
In the figure: 1. a base plate; 2. a material guide seat; 3. a first support plate; 4. a top plate; 5. a guide groove; 6. moving the plate; 7. moving the guide plate; 8. a gasoline engine; 9. a gearbox; 10. a spiral hollow auger stem; 11. a drill bit; 12. a connecting plate; 13. a cylinder; 14. a vertical plate; 15. a drive shaft; 16. a driven shaft; 17. rotating the plate; 18. a second support plate; 19. a protective box; 20. a driving wheel; 21. a belt; 22. a driven wheel; 23. a third support plate; 24. heat dissipation holes; 25. a dustproof filter screen; 26. a traveling wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a drilling device for laying cable conduits includes a bottom plate 1, a top plate 4 and a movable plate 6, wherein a first supporting plate 3 and a second supporting plate 18 are respectively fixedly connected to two sides of the upper surface of the bottom plate 1 along the width direction thereof, the first supporting plate 3 and the second supporting plate 18 are both perpendicular to the bottom plate 1, the first supporting plate 3 and the second supporting plate 18 are parallel to each other, the top plate 4 is located above the bottom plate 1, two sides of the lower surface of the top plate 4 along the width direction thereof are respectively fixedly connected to the top end of the first supporting plate 3 and the top end of the second supporting plate 18, and the first supporting plate 3 and the second supporting plate 18 are both perpendicular to the top plate 4;
the top end of the top plate 4 is provided with a cuboid-shaped guide groove 5 along both sides of the width direction, the length direction of the guide groove 5 is consistent with that of the top plate 4, a movable guide plate 7 is arranged in the guide groove 5, the movable guide plate 7 is in clearance fit with the guide groove 5, the bottom end of the movable guide plate 7 is fixedly connected with a travelling wheel 26 along both sides of the length direction, the travelling wheels 26 at the bottom end of the movable guide plate 7 are connected with the bottom surface of the guide groove 5 in a sliding manner, a movable plate 6 is arranged above the top plate 4, and the top ends of the two movable guide plates 7 are fixedly connected with the bottom end of the movable plate;
a vertical plate 14 is fixedly connected to one side of the top end of the top plate 4 along the length direction of the top plate, a drilling device is fixedly connected to the top end of the moving plate 6, and a driving device is connected to one end, facing the vertical plate 14, of the moving plate 6;
a guide seat 2 is fixedly connected to a plate body of the bottom plate 1, which is positioned between a first supporting plate 3 and a second supporting plate 18, a driving shaft 15 and a driven shaft 16 are rotatably connected to the opposite inner side surfaces between the first supporting plate 3 and the second supporting plate 18 through bearings, and a plurality of groups of rotating plates 17 are fixedly connected to shaft bodies of the driving shaft 15 and the driven shaft 16, which are positioned between the first supporting plate 3 and the second supporting plate 18;
the side fixedly connected with protective housing 19 that second backup pad 18 deviates from first backup pad 3, and the one end that driving shaft 15 and driven shaft 16 deviate from first backup pad 3 all passes second backup pad 18 and extends to in the protective housing 19 and connect through transmission.
As a technical optimization scheme of the invention, the drilling device comprises a gasoline engine 8 fixedly connected to the top end of the moving plate 6, the output end of the gasoline engine 8, which is far away from the vertical plate 14, is connected with a gearbox 9 through a clutch, the output end of the gearbox 9, which is far away from the vertical plate 14, is fixedly connected with a spiral hollow auger rod 10, and one end, which is far away from the gearbox 9, of the spiral hollow auger rod 10 is fixedly connected with a drill bit 11.
As a technical optimization scheme of the invention, the driving device comprises an air cylinder 13, the air cylinder 13 is fixedly connected to one end, facing the moving plate 6, of the vertical plate 14, the side, facing the vertical plate 14, of the moving plate 6 is fixedly connected with a vertical connecting plate 12, and the driving end of the air cylinder 13 horizontally faces the connecting plate 12 and is fixedly connected with the connecting plate 12.
As a technical optimization scheme of the invention, the material guide seat 2 is of a right triangular prism structure, the top end of the material guide seat 2 is an inclined surface, and the height of one end of the inclined surface far away from the vertical plate 14 is higher than that of one end of the inclined surface close to the vertical plate 14.
As a technical optimization scheme of the invention, the transmission device comprises a third supporting plate 23 and a driving motor (not shown) which are positioned in a protective box 19, one end of the third supporting plate 23 is fixedly connected to the side surface, away from the first supporting plate 3, of the second supporting plate 18, the driving motor is fixedly connected to the top end of the third supporting plate 23, the output end of the driving motor is fixedly connected with one end, positioned in the protective box 19, of a driving shaft 15, a driving wheel 20 is fixedly sleeved on a shaft body, positioned in the protective box 19, of the driving shaft 15, a driven wheel 22 is fixedly sleeved on a shaft body, positioned in the protective box 19, of the driven shaft 16, and the driving wheel 20 is connected.
As a technical optimization scheme of the invention, the driving shaft 15 and the driven shaft 16 are both horizontally arranged, the driving shaft 15 and the driven shaft 16 are parallel to each other, and the height of the driving shaft 15 is higher than that of the driven shaft 16.
As a technical optimization scheme of the invention, a bottom box body of the protective box 19 is provided with a plurality of heat dissipation holes 24 which are arranged in a matrix, and the lower surface of the protective box 19 is fixedly connected with a dustproof filter screen 25 which is used for covering the plurality of heat dissipation holes 24.
When the invention is used: the gasoline engine 8 and the gearbox 9 are matched to drive the spiral hollow auger rod 10 and the drill bit 11 to rotate so as to drill, and the air cylinder 13 drives the connecting plate 12 to move so as to move the moving plate 6 and further enable the spiral hollow auger rod 10 and the drill bit 11 to be close to a road to drill;
the drilling speed is typically 2 minutes/meter. When drilling forward for 1 m, an extension rod is connected to the rear end of the spiral hollow auger rod 10 to continue working. Thus, the distance can be extended to several meters, even more than ten meters, until the road is opened;
in the drilling process, the generated waste material slides to one side far away from the drill bit 11 along the inclined plane at the top end of the material guide seat 2, the driving shaft 15 is driven to rotate by the driving motor, the driven shaft 16 is driven to rotate by the transmission action of the driving wheel 20, the belt 21 and the driven wheel 22, so that the rotating plate 17 on the driving shaft 15 and the driven shaft 16 rotates, the waste material on the inclined plane at the top end of the material guide seat 2 is pushed to one side far away from the drill bit 11 by the rotating plate 17, the waste material is discharged in time, a large amount of waste material is prevented from being accumulated together, and the accumulated waste material is prevented from hindering a worker to additionally;
in the drilling process, the guide groove 5 guides the movement of the movable guide plate 7, so that the movable plate 6 moves more stably, the drill bit 11 is favorable for drilling, the friction on the movable guide plate 7 is reduced through the travelling wheels 26, the power consumption is reduced, and the movable guide plate 7 is more favorable for moving.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A drilling device for cable duct laying, comprising a bottom plate (1), a top plate (4) and a mobile plate (6), characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a first supporting plate (3) and a second supporting plate (18) along two sides of the width direction of the bottom plate respectively, the top plate (4) is positioned above the bottom plate (1), and two sides of the lower surface of the top plate (4) along the width direction of the top plate are fixedly connected with the top end of the first supporting plate (3) and the top end of the second supporting plate (18) respectively;
the top end of the top plate (4) is provided with a guide groove (5) along two sides of the width direction of the top plate, a movable guide plate (7) is arranged in each guide groove (5), the movable guide plate (7) is in clearance fit with the guide grooves (5), the bottom end of each movable guide plate (7) is fixedly connected with a travelling wheel (26) along two sides of the length direction of the bottom end of the movable guide plate respectively, the travelling wheels (26) at the bottom ends of the movable guide plates (7) are connected to the bottom surface of the guide groove (5) where the movable guide plates are located in a sliding mode, a movable plate (6) is arranged above the top plate (4), and the top ends of the two movable guide plates (7) are fixedly;
a vertical plate (14) is fixedly connected to one side of the top end of the top plate (4) along the length direction of the top plate, a drilling device is fixedly connected to the top end of the moving plate (6), and a driving device is connected to one end, facing the vertical plate (14), of the moving plate (6);
a guide seat (2) is fixedly connected to a plate body of the bottom plate (1) between the first supporting plate (3) and the second supporting plate (18), a driving shaft (15) and a driven shaft (16) are rotatably connected between the first supporting plate (3) and the second supporting plate (18), and a plurality of groups of rotating plates (17) are fixedly connected to shaft bodies of the driving shaft (15) and the driven shaft (16) between the first supporting plate (3) and the second supporting plate (18);
the side fixedly connected with protective housing (19) that second backup pad (18) deviate from first backup pad (3), the one end that driving shaft (15) and driven shaft (16) deviate from first backup pad (3) all passes second backup pad (18) and extends to in protective housing (19) and connect through transmission.
2. A drilling apparatus for cable duct laying according to claim 1, wherein: the drilling device comprises a gasoline engine (8) fixedly connected to the top end of the moving plate (6), the output end, deviating from the vertical plate (14), of the gasoline engine (8) is connected with a gearbox (9) through a clutch, the gearbox (9) deviates from a spiral hollow auger rod (10) of the output end fixedly connected with of the vertical plate (14), and a drill bit (11) fixedly connected with one end of the gearbox (9) is far away from the spiral hollow auger rod (10).
3. A drilling apparatus for cable duct laying according to claim 1, wherein: the driving device comprises an air cylinder (13), the air cylinder (13) is fixedly connected to one end, facing the moving plate (6), of the vertical plate (14), the moving plate (6) is fixedly connected with a vertical connecting plate (12) facing the side face of the vertical plate (14), and the driving end of the air cylinder (13) horizontally faces the connecting plate (12) and is fixedly connected with the connecting plate (12).
4. A drilling apparatus for cable duct laying according to claim 1, wherein: the material guiding seat (2) is of a straight triangular prism structure, the top end of the material guiding seat (2) is an inclined plane, and the height of one end, away from the vertical plate (14), of the inclined plane is higher than the height of one end, close to the vertical plate (14), of the inclined plane.
5. A drilling apparatus for cable duct laying according to claim 1, wherein: transmission is including third backup pad (23) and the driving motor that is located protective housing (19), the one end fixed connection of third backup pad (23) deviates from the side of first backup pad (3) in second backup pad (18), driving motor fixed connection is on the top of third backup pad (23), driving motor's output and driving shaft (15) are located the one end fixed connection of protective housing (19), the fixed cover of axis that driving shaft (15) are located protective housing (19) is equipped with action wheel (20), the fixed cover of axis that driven shaft (16) are located protective housing (19) is equipped with from driving wheel (22), action wheel (20) are connected with from driving wheel (22) through belt (21).
6. A drilling assembly for cable duct laying according to claim 5, wherein: the driving shaft (15) and the driven shaft (16) are both arranged horizontally, the driving shaft (15) and the driven shaft (16) are parallel to each other, and the height of the driving shaft (15) is higher than that of the driven shaft (16).
7. A drilling apparatus for cable duct laying according to claim 1, wherein: a plurality of heat dissipation holes (24) arranged in a matrix are formed in the bottom box body of the protective box (19), and a dustproof filter screen (25) used for covering the heat dissipation holes (24) is fixedly connected to the lower surface of the protective box (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014775.4A CN112832693A (en) | 2021-01-06 | 2021-01-06 | Drilling device for laying cable pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014775.4A CN112832693A (en) | 2021-01-06 | 2021-01-06 | Drilling device for laying cable pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN112832693A true CN112832693A (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110014775.4A Pending CN112832693A (en) | 2021-01-06 | 2021-01-06 | Drilling device for laying cable pipeline |
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| CN (1) | CN112832693A (en) |
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| CN205591826U (en) * | 2016-04-10 | 2016-09-21 | 焦作煤业（集团）新乡能源有限公司 | Device is crept into with slide rail formula emulsion in pit in colliery |
| CN106499346A (en) * | 2015-09-08 | 2017-03-15 | 陈洪厚 | A kind of running gear of horizontal directional drilling machine |
| CN206386085U (en) * | 2017-01-20 | 2017-08-08 | 华北科技学院 | A kind of colliery drilling equipment |
| CN107829686A (en) * | 2017-11-18 | 2018-03-23 | 东台市巨力机械制造有限公司 | A kind of efficient non-excavation pipe-laying drilling rig |
| CN107859479A (en) * | 2017-09-28 | 2018-03-30 | 国网山东省电力公司乐陵市供电公司 | Small-sized push bench and underground piping laying apparatus |
| CN210003208U (en) * | 2019-04-24 | 2020-01-31 | 宋红浩 | non-broken path cable pipeline laying drilling device |
| CN210033446U (en) * | 2019-05-15 | 2020-02-07 | 安徽昊宇建设工程有限公司 | Non-excavation underground transverse hole-making machine |
-
2021
- 2021-01-06 CN CN202110014775.4A patent/CN112832693A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499346A (en) * | 2015-09-08 | 2017-03-15 | 陈洪厚 | A kind of running gear of horizontal directional drilling machine |
| CN205591826U (en) * | 2016-04-10 | 2016-09-21 | 焦作煤业（集团）新乡能源有限公司 | Device is crept into with slide rail formula emulsion in pit in colliery |
| CN206386085U (en) * | 2017-01-20 | 2017-08-08 | 华北科技学院 | A kind of colliery drilling equipment |
| CN107859479A (en) * | 2017-09-28 | 2018-03-30 | 国网山东省电力公司乐陵市供电公司 | Small-sized push bench and underground piping laying apparatus |
| CN107829686A (en) * | 2017-11-18 | 2018-03-23 | 东台市巨力机械制造有限公司 | A kind of efficient non-excavation pipe-laying drilling rig |
| CN210003208U (en) * | 2019-04-24 | 2020-01-31 | 宋红浩 | non-broken path cable pipeline laying drilling device |
| CN210033446U (en) * | 2019-05-15 | 2020-02-07 | 安徽昊宇建设工程有限公司 | Non-excavation underground transverse hole-making machine |
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