CN203430423U - Environment-friendly drag type horizontal directional drilling machine - Google Patents
Environment-friendly drag type horizontal directional drilling machine Download PDFInfo
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- CN203430423U CN203430423U CN201320518469.5U CN201320518469U CN203430423U CN 203430423 U CN203430423 U CN 203430423U CN 201320518469 U CN201320518469 U CN 201320518469U CN 203430423 U CN203430423 U CN 203430423U
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Abstract
The utility model discloses an environment-friendly drag type horizontal directional drilling machine. A ground anchor plate, a front vice, a rear vice, a drill stem assembling and disassembling device and a power head are arranged on a drill stand, the front portion of the drill stand is hinged to a frame, the two ends of an amplitude-variable oil cylinder are connected to the drill stand and the frame respectively, the two ends of a drag chain assembly are connected to the drill stand and the power head respectively, a tool box, a walking board plate, a rear operating desk, a mud pump, a radiator and a hydraulic oil tank are all arranged on the frame, the mud pump, the radiator and the hydraulic oil tank are arranged inside a machine shed, a cab is arranged in front of the frame, tires are arranged below the frame, a motor is arranged inside the machine shed of the frame, a winch is arranged at the tail portion of the drill stand or on the frame, and the winch is connected with a connecting base of a power head push and pull box body through a steel wire rope. The environment-friendly drag type horizontal directional drilling machine is convenient to transport and causes no damage to the road surface, pollution to the environment is reduced, pull strength of a drilling machine can be effectively increased so that the tube stuck phenomenon can be avoided, the vice structure can enable force to be evenly exerted on a drill stem, and maintainability is good when the oil cylinder is clamped by the vices.
Description
Technical field
The utility model relates to a kind of environment-friendly type and drags formula horizontal directional drilling machine, belongs to directed-drilling technique field.
Background technology
Along with the development in city, underground pipeline is being born the supply of life of urban resident water and the discharge of the municipal sewage that grows with each passing day.Yet during pipeline construction, be subject to the impact of municipal traffic, the epoch of the bright fluting of urban Underground pipeline engineering are about to become history, and horizontal directional drilling machine will more and more be applied in urban Underground pipeline engineering.Yet horizontal directional drilling machine is to utilize motor that power is provided, very heavy to municipal pollution; Horizontal directional drilling machine adopts crawler-type traveling mode, and crawler belt can road pavement produce certain destruction, and in equipment transition, if not think that road pavement damages the just necessary flat car that relies on, transition efficiency is low; In directional drilling machine construction, often there will be card pipe phenomenon, occur after this situation, after pipeline need to being hauled out in the other direction, re-start and pull, very large on duration impact like this; The general clamping mode that adopts two oil cylinders or three oil cylinders of vice, if adopt the clamping mode of two oil cylinders, can make drilling rod discontinuity, very large to drill pipe wear, existing three oil cylinder clamping modes, three clamping cylinders are fixed on same oil cylinder seat, and oil cylinder seat is connected with bearing by bolt, clamping cylinder is difficult to take off, and maintenanceability is poor.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides a kind of environment-friendly type to drag formula horizontal directional drilling machine, the pollution of minimizing to environment, transition convenience and road pavement are not destroyed, the pull-back force that can effectively increase rig is avoided card pipe phenomenon, vice structure can make drilling rod stressed evenly, and lock-filters clamp locking oil cylinder maintenanceability is good.
To achieve these goals, the technical solution adopted in the utility model is: a kind of environment-friendly type is dragged formula horizontal directional drilling machine, comprise anchor block, front vice, rear vice, drilling cramp, amplitude oil cylinder, drilling rod handler, vehicle frame, supporting leg, rear operating desk, drag chain assembly, unit head, driver's cabin, slush pump, radiator and hydraulic oil container, anchor block, front vice, rear vice, drilling rod handler, unit head are arranged on drilling cramp, and the front portion of drilling cramp is hinged on vehicle frame; The two ends of amplitude oil cylinder are connected on drilling cramp and vehicle frame, and the two ends of drag chain assembly are connected on drilling cramp and unit head; Tool box, walk platen, rear operating desk, slush pump, radiator and hydraulic oil container and be all arranged on vehicle frame, slush pump, radiator and hydraulic oil container are arranged on canopy inside; Supporting leg is a plurality of, is symmetricly set on the below of vehicle frame; The place ahead of vehicle frame arranges driver's cabin, also comprise tire, capstan winch, coupling hitch and motor, tire is installed on the below of vehicle frame, motor is installed in canopy, oil pump is connected with hydraulic oil container with motor with hydralic hose by shaft coupling respectively, capstan winch is arranged on the afterbody or vehicle frame of drilling cramp, and capstan winch is connected with the Connection Block of unit head push-and-pull casing by wire rope, and coupling hitch is arranged on anchor block or is arranged on the Connection Block of vehicle frame afterbody;
Front vice comprises front clamp oil cylinder, front oil cylinder seat one, front oil cylinder seat two, front oil cylinder seat three and bearing, three front clamp oil cylinders are separately fixed on front oil cylinder seat one, front oil cylinder seat two and front oil cylinder seat three, the two ends of front oil cylinder seat one are connected with one end of front oil cylinder seat three with front oil cylinder seat two respectively, and the other end of front oil cylinder seat two and front oil cylinder seat three is all connected with bearing;
Rear vice comprises rear clamping cylinder, rear oil cylinder seat one, rear oil cylinder seat two and rear oil cylinder seat three, after three, clamping cylinder is separately fixed on rear oil cylinder seat one, rear oil cylinder seat two and rear oil cylinder seat three, rear oil cylinder seat one, rear oil cylinder seat two and rear oil cylinder seat three head and the tail are connected successively, and the connecting hole on rear oil cylinder seat three is connected with rotary oil cylinder.
Further, coupling hitch comprises junction plate and hook, and junction plate longitudinally arranges many group through holes, and hook is connected with junction plate by through hole.
Further, capstan winch can be that hydraulic capstan can be also electric capstan.
Further, also comprise side-marker lamp, combined tail lamp, side protective guard and rear lower protective guard, side protective guard is arranged on away the outside of platen, in the front and back end of walking platen, arranges respectively side-marker lamp, rear lower protective guard is arranged on the rear lower of vehicle frame, at vehicle frame rear portion arrangement combinations taillight.
Further, also comprise mud guard, mud guard is arranged on the both sides, front and back of tire.
Further, supporting leg is four, and four supporting legs are separately positioned on rear and front end, vehicle frame below.
Further, adopt U-shaped structure or the Rouno Cormer Pregrinding Wheel transition hexagonal cross-section girder construction of cutting section bar.
Compared with prior art: the utility model adopts driven by power, zero-emission, environmental protection, has reduced the pollution to environment; Adopt the walking manner of rubber-tyred and adjustable for height coupling hitch is set, can regulate neatly height according to trailer and road conditions, facilitating equipment transition, also reducing the destruction of rig road pavement; Capstan winch is set, has promoted the pull-back force of rig, can effectively avoid card pipe phenomenon; Vice adopts three oil cylinders to be separately fixed at the clamping mode of three oil cylinder seats, and drilling rod is stressed, and evenly clamping force is large, and three oil cylinder seats, fix by bearing pin each other, after oil cylinder damages, can keep in repair very easily.
Accompanying drawing explanation
Fig. 1 is the utility model front view;
Fig. 2 is the utility model left view;
Fig. 3 is that the utility model removes the rear elevation after canopy;
Fig. 4 is the utility model top view;
Fig. 5 is the utility model working state schematic representation;
Fig. 6 is the utility model linkage front view;
Fig. 7 is vice structure schematic diagram before the utility model;
Fig. 8 is vice structure schematic diagram after the utility model.
In figure: 1, anchor block, 2-1, front vice, 2-1-1, front clamp oil cylinder, 2-1-2, front oil cylinder seat one, 2-1-3, front oil cylinder seat two, 2-1-4, bearing, 2-1-5, front oil cylinder seat three, vice after 2-2,2-2-1, rear oil cylinder seat one, 2-2-2, rear oil cylinder seat two, 2-2-3, rear oil cylinder seat three, 2-2-4, connecting hole, 2-2-5, rear clamping cylinder, 3-1, drilling cramp, 3-2, amplitude oil cylinder, 4, drilling rod handler, 5, vehicle frame, 6, supporting leg, 7-1, side-marker lamp, 7-2, combined tail lamp, 8, tire, 8-1, mud guard, 9-1, side protective guard, 9-2, rear lower protective guard, 10-1, tool box, 10-2, walk platen, 11, rear operating desk, 12, coupling hitch, 12-1, junction plate, 12-2, hook, 12-3, through hole, 12-4, Connection Block, 13, capstan winch, 14, canopy, 15, drag chain assembly, 16, unit head, 16-1, Connection Block, 16-2, tooth bar, 17, driver's cabin, 17-1, oil cylinder, 18, slush pump, 19, radiator, 20, motor, 21, oil pump, 22, hydraulic oil container.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figures 1 to 5, this environment-friendly type is dragged formula horizontal directional drilling machine, comprise anchor block 1, front vice 2-1, rear vice 2-2, drilling cramp 3-1, amplitude oil cylinder 3-2, drilling rod handler 4, vehicle frame 5, supporting leg 6, rear operating desk 11, drag chain assembly 15, unit head 16, driver's cabin 17, slush pump 18, radiator 19 and hydraulic oil container 22, it is upper that anchor block 1, front vice 2-1, rear vice 2-2, drilling rod handler 4, unit head 16 are arranged on drilling cramp 3-1, and the front portion of drilling cramp 3-1 is hinged on vehicle frame 5; The two ends of amplitude oil cylinder 3-2 are connected on drilling cramp 3-1 and vehicle frame 5, and the two ends of drag chain assembly 15 are connected on drilling cramp 3-1 and unit head 16; Tool box 10-1, walk platen 10-2, rear operating desk 11, slush pump 18, radiator 19 and hydraulic oil container 22 and be all arranged on vehicle frame 5, slush pump 18, radiator 19 and hydraulic oil container 22 are arranged on canopy 14 inside; Supporting leg 6 is many groups, is symmetricly set on the below of vehicle frame 5; The place ahead of vehicle frame 5 arranges driver's cabin 17, also comprise tire 8, capstan winch 13, coupling hitch 12 and motor 20, tire 8 is installed on the below of vehicle frame 5, motor 20 is installed in canopy 14, oil pump 21 is connected with hydraulic oil container 22 with motor 20 with hydralic hose by shaft coupling respectively, capstan winch 13 is arranged on the afterbody or vehicle frame 5 of drilling cramp 3-1, capstan winch 13 is connected with the Connection Block 16-1 of unit head push-and-pull casing by wire rope, and coupling hitch 12 is arranged on anchor block 1 or is arranged on the Connection Block 12-4 of vehicle frame 5 afterbodys;
As shown in Figure 7, front vice 2-1 comprises front clamp oil cylinder 2-1-1, front oil cylinder seat one 2-1-2, front oil cylinder seat two 2-1-3, front oil cylinder seat three 2-1-5 and bearing 2-1-4, three front clamp oil cylinder 2-1-1 are separately fixed on front oil cylinder seat one 2-1-2, front oil cylinder seat two 2-1-3 and front oil cylinder seat three 2-1-5, the two ends of front oil cylinder seat one 2-1-2 are connected with one end of front oil cylinder seat three 2-1-5 with front oil cylinder seat two 2-1-3 respectively, and the other end of front oil cylinder seat two 2-1-3 and front oil cylinder seat three 2-1-5 is all connected with bearing 2-1-4; As shown in Figure 8, rear vice 2-2 comprises rear clamping cylinder 2-2-5, rear oil cylinder seat one 2-2-1, rear oil cylinder seat two 2-2-2 and rear oil cylinder seat three 2-2-3, after three, clamping cylinder 2-2-5 is separately fixed on rear oil cylinder seat one 2-2-1, rear oil cylinder seat two 2-2-2 and rear oil cylinder seat three 2-2-3, rear oil cylinder seat one 2-2-1, rear oil cylinder seat two 2-2-2 are connected successively with rear oil cylinder seat three 2-2-3 head and the tail, and the connecting hole 2-2-4 on rear oil cylinder seat three 2-2-3 is connected with rotary oil cylinder.Vice adopts three oil cylinders to be separately fixed at the clamping mode of three oil cylinder seats, and drilling rod is stressed, and evenly clamping force is large, and three oil cylinder seats, fix by bearing pin each other, after oil cylinder damages, can keep in repair very easily.
For making the utility model meeting when connecting trailer convenient, as shown in Figure 6, coupling hitch 12 comprises junction plate 12-1 and hook 12-2, junction plate 12-1 longitudinally arranges many group through hole 12-3, hook 12-2 is connected with junction plate 12-1 by through hole 12-3, the adjustable range when organizing through hole 12-3 more and can expand linkage 12 use.
Capstan winch 13 can be that hydraulic capstan can be also electric capstan, and alternative is larger.
In order to improve the safety of the utility model when the transition, set up side-marker lamp 7-1, combined tail lamp 7-2, side protective guard 9-1 and rear lower protective guard 9-2, side protective guard 9-1 is placed in away respectively the outside of platen 10-2, in the front and back end of walking platen 10-2, arrange respectively side-marker lamp 7-1, rear lower protective guard 9-2 is arranged on the rear lower of vehicle frame 5, at vehicle frame 5 rear portion arrangement combinations taillight 7-2.
The obstruction of mud to pollution of the present utility model and normal operation, sets up mud guard 8-1 when preventing transition, and mud guard 8-1 is arranged on the both sides, front and back of tire 8.
Stability while working in order to increase the utility model, supporting leg 6 is four, four supporting legs 6 are separately positioned on vehicle frame 5 rear and front ends, below.
Drilling cramp 3-1 adopts U-shaped structure or the Rouno Cormer Pregrinding Wheel transition hexagonal cross-section girder construction of cutting section bar, and the sectional dimension of drilling cramp 3-1 is less, has reduced the quality of complete machine.
The course of work is as follows: when the utility model changes travel position into by duty, amplitude oil cylinder 3-2 is regained completely, anchor block 1 is fixed by connecting rod and drilling cramp 3-1, unit head 16 is placed in to the correct position on drilling cramp 3-1, drilling rod handler 4 is placed in to the state of upper drilling rod, by oil cylinder 17-1, driver's cabin 17 is ajusted, with this, reduce the width of complete machine, coupling hitch 12 is installed on anchor block 1, according to the height of trailer traction hook, regulate coupling hitch 12 upper junction plate 12-1 and the relative position of linking up with 12-2, and fix by through hole 12-3, after trailer and the utility model connect, the snap joint of combined tail lamp 7-2 and side-marker lamp 7-1 is connected with trailer, supporting leg 6 is completely retracted into after vertical state, thereby reduce complete machine transportation width, disconnect motor 20 power supplys and can drag vehicle.According to the situation of job site, coupling hitch 12 can be connected with the Connection Block 12-4 that is arranged on vehicle frame 5 afterbodys, rig is oppositely towed.
When the utility model changes duty into by travel position, connect motor 20 power supplys, supporting leg 6 is put down, keep the utility model approximate horizontal, tire 8 is not carried, the dismantle quick union of combined tail lamp 7-2 and side-marker lamp 7-1, trailer is separated with the utility model, pull down the coupling hitch 12 on anchor block 1, connecting rod between anchor block 1 and drilling cramp 3-1 is taken off, regulate amplitude oil cylinder 3-2 and supporting leg 6 to make drilling cramp 3-1 in suitable penetrating angle, the utility model gets final product work, utilize drilling rod handler 4 can load and unload easily drilling rod, by regulating driver's cabin oil cylinder 17-1, driver's cabin 17 can be placed in to suitable position, the visual field, horizontal directional drilling machine meshes to realize by the reductor on unit head push-and-pull casing and tooth bar 16-2 under normal circumstances and creeps into and return and drag, when there is card pipe, by the wire rope of capstan winch 13 and the Connection Block 16-1 on unit head 16, be connected, unit head 16 is except the pull-back force of it self reductor like this, the pulling force that also has 13 pairs of unit heads 16 of capstan winch, so just make unit head 16 pull-back forces increase, with effectively solving card pipe problem.
Claims (7)
1. an environment-friendly type is dragged formula horizontal directional drilling machine, comprise anchor block (1), front vice (2-1), rear vice (2-2), drilling cramp (3-1), amplitude oil cylinder (3-2), drilling rod handler (4), vehicle frame (5), supporting leg (6), rear operating desk (11), drag chain assembly (15), unit head (16), driver's cabin (17), slush pump (18), radiator (19) and hydraulic oil container (22), anchor block (1), front vice (2-1), rear vice (2-2), drilling rod handler (4), unit head (16) is arranged on drilling cramp (3-1), the front portion of drilling cramp (3-1) is hinged on vehicle frame (5), the two ends of amplitude oil cylinder (3-2) are connected to drilling cramp (3-1) and vehicle frame (5) is upper, and the two ends of drag chain assembly (15) are connected on drilling cramp (3-1) and unit head (16), tool box (10-1), walking platen (10-2), rear operating desk (11), slush pump (18), radiator (19) and hydraulic oil container (22), to be all arranged on vehicle frame (5) upper, and slush pump (18), radiator (19) and hydraulic oil container (22) are arranged on canopy (14) inside, supporting leg (6) is a plurality of, is symmetricly set on the below of vehicle frame (5), the place ahead of vehicle frame (5) arranges driver's cabin (17), it is characterized in that, also comprise tire (8), capstan winch (13), coupling hitch (12) and motor (20), tire (8) is installed on the below of vehicle frame (5), motor (20) is installed in canopy (14), oil pump (21) is connected with hydraulic oil container (22) with motor (20) with hydralic hose by shaft coupling respectively, capstan winch (13) is arranged on the afterbody or vehicle frame (5) of drilling cramp (3-1), capstan winch (13) is connected with the Connection Block (16-1) of unit head push-and-pull casing by wire rope, coupling hitch (12) is arranged on anchor block (1) above or is arranged on the Connection Block (12-4) of vehicle frame (5) afterbody,
Front vice (2-1) comprises front clamp oil cylinder (2-1-1), front oil cylinder seat one (2-1-2), front oil cylinder seat two (2-1-3), front oil cylinder seat three (2-1-5) and bearing (2-1-4), three front clamp oil cylinders (2-1-1) are separately fixed at front oil cylinder seat one (2-1-2), on front oil cylinder seat two (2-1-3) and front oil cylinder seat three (2-1-5), the two ends of front oil cylinder seat one (2-1-2) are connected with one end of front oil cylinder seat three (2-1-5) with front oil cylinder seat two (2-1-3) respectively, the other end of front oil cylinder seat two (2-1-3) and front oil cylinder seat three (2-1-5) is all connected with bearing (2-1-4),
Rear vice (2-2) comprises rear clamping cylinder (2-2-5), rear oil cylinder seat one (2-2-1), rear oil cylinder seat two (2-2-2) and rear oil cylinder seat three (2-2-3), clamping cylinder after three (2-2-5) is separately fixed on rear oil cylinder seat one (2-2-1), rear oil cylinder seat two (2-2-2) and rear oil cylinder seat three (2-2-3), rear oil cylinder seat one (2-2-1), rear oil cylinder seat two (2-2-2) and rear oil cylinder seat three (2-2-3) head and the tail are connected successively, and the connecting hole (2-2-4) on rear oil cylinder seat three (2-2-3) is connected with rotary oil cylinder.
2. a kind of environment-friendly type according to claim 1 is dragged formula horizontal directional drilling machine, it is characterized in that, described coupling hitch (12) comprises junction plate (12-1) and hook (12-2), junction plate (12-1) longitudinally arranges many group through holes (12-3), and hook (12-2) is connected with junction plate (12-1) by through hole (12-3).
3. a kind of environment-friendly type according to claim 1 and 2 is dragged formula horizontal directional drilling machine, it is characterized in that, described capstan winch (13) can be that hydraulic capstan can be also electric capstan.
4. a kind of environment-friendly type according to claim 3 is dragged formula horizontal directional drilling machine, it is characterized in that, also comprise side-marker lamp (7-1), combined tail lamp (7-2), side protective guard (9-1) and rear lower protective guard (9-2), side protective guard (9-1) is arranged on away the outside of platen (10-2), in the front and back end of walking platen (10-2), arrange respectively side-marker lamp (7-1), rear lower protective guard (9-2) is arranged on the rear lower of vehicle frame (5), at vehicle frame (5) rear portion arrangement combinations taillight (7-2).
5. a kind of environment-friendly type according to claim 4 is dragged formula horizontal directional drilling machine, it is characterized in that, also comprises mud guard (8-1), and mud guard (8-1) is arranged on the both sides, front and back of tire (8).
6. a kind of environment-friendly type according to claim 5 is dragged formula horizontal directional drilling machine, it is characterized in that, described supporting leg (6) is four, and four supporting legs (6) are separately positioned on rear and front end, vehicle frame (5) below.
7. a kind of environment-friendly type according to claim 6 is dragged formula horizontal directional drilling machine, it is characterized in that, described drilling cramp (3-1) adopts U-shaped structure or the Rouno Cormer Pregrinding Wheel transition hexagonal cross-section girder construction of cutting section bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518469.5U CN203430423U (en) | 2013-08-23 | 2013-08-23 | Environment-friendly drag type horizontal directional drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518469.5U CN203430423U (en) | 2013-08-23 | 2013-08-23 | Environment-friendly drag type horizontal directional drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430423U true CN203430423U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320518469.5U Withdrawn - After Issue CN203430423U (en) | 2013-08-23 | 2013-08-23 | Environment-friendly drag type horizontal directional drilling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN203430423U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452477A (en) * | 2013-08-23 | 2013-12-18 | 徐州徐工基础工程机械有限公司 | Environment-friendly type towed-type horizontally-oriented drilling machine |
| CN108301767A (en) * | 2018-03-13 | 2018-07-20 | 苏州科艺油气工程设备服务有限公司 | A kind of novel super horizontal directional drilling machine |
| CN108316857A (en) * | 2018-01-05 | 2018-07-24 | 深圳市中科智诚科技有限公司 | A kind of trailer-type horizontal directional drilling device being laid with for non-digging formula pipeline |
| CN108729855A (en) * | 2017-04-25 | 2018-11-02 | 中国二十冶集团有限公司 | The anchor bolt construction equipment and its application method of drilling and installation one |
| CN108952573A (en) * | 2018-09-12 | 2018-12-07 | 徐州徐工基础工程机械有限公司 | Horizontal directional drilling machine |
| CN108952573B (en) * | 2018-09-12 | 2024-05-14 | 徐州徐工基础工程机械有限公司 | Horizontal directional drilling machine |
-
2013
- 2013-08-23 CN CN201320518469.5U patent/CN203430423U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452477A (en) * | 2013-08-23 | 2013-12-18 | 徐州徐工基础工程机械有限公司 | Environment-friendly type towed-type horizontally-oriented drilling machine |
| CN103452477B (en) * | 2013-08-23 | 2016-04-27 | 徐州徐工基础工程机械有限公司 | A kind of environment-friendly type towed horizontal directional drilling machine |
| CN108729855A (en) * | 2017-04-25 | 2018-11-02 | 中国二十冶集团有限公司 | The anchor bolt construction equipment and its application method of drilling and installation one |
| CN108729855B (en) * | 2017-04-25 | 2022-02-25 | 中国二十冶集团有限公司 | Drilling and mounting integrated anchor rod construction equipment and using method thereof |
| CN108316857A (en) * | 2018-01-05 | 2018-07-24 | 深圳市中科智诚科技有限公司 | A kind of trailer-type horizontal directional drilling device being laid with for non-digging formula pipeline |
| CN108316857B (en) * | 2018-01-05 | 2019-09-24 | 马鞍山和田电子智控系统有限公司 | A kind of trailer-type horizontal directional drilling device being laid with for non-digging formula pipeline |
| CN108301767A (en) * | 2018-03-13 | 2018-07-20 | 苏州科艺油气工程设备服务有限公司 | A kind of novel super horizontal directional drilling machine |
| CN108301767B (en) * | 2018-03-13 | 2023-12-15 | 浙江新锐竞科动力科技有限公司 | Horizontal directional drilling machine |
| CN108952573A (en) * | 2018-09-12 | 2018-12-07 | 徐州徐工基础工程机械有限公司 | Horizontal directional drilling machine |
| CN108952573B (en) * | 2018-09-12 | 2024-05-14 | 徐州徐工基础工程机械有限公司 | Horizontal directional drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20160427 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |