CN203614030U - Crawler-type hydraulic cutting drilling machine for large-air-volume air compressor system - Google Patents
Crawler-type hydraulic cutting drilling machine for large-air-volume air compressor system Download PDFInfo
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- CN203614030U CN203614030U CN201320697864.4U CN201320697864U CN203614030U CN 203614030 U CN203614030 U CN 203614030U CN 201320697864 U CN201320697864 U CN 201320697864U CN 203614030 U CN203614030 U CN 203614030U
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- 238000005553 drilling Methods 0.000 title claims abstract description 54
- 238000005520 cutting process Methods 0.000 title claims abstract description 24
- 239000003921 oil Substances 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000001141 propulsive effect Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 9
- 239000002828 fuel tank Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000011176 pooling Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 241000501478 Plecoptera <stoneflies, order> Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
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Abstract
The utility model relates to a crawler-type hydraulic cutting drilling machine for a large-air-volume air compressor system. An air compressor is a large-air-volume screw type air compressor; an air compressor motor is of a hydraulic motor; a specially used air storage device is mounted on a moving arm; a dreg-discharging guiding device is mounted on a drilling arm on the lower part of a drilling rod. The air output is large and the air pressure is stable when the crawler-type hydraulic cutting drilling machine works; the dreg discharging is smooth during a drilling process; the drilling efficiency is high; the air compressor is driven by the hydraulic motor; a driving structure is simple, compact and convenient in maintenance; drilling drill rod T-shaped threads are adopted by the drilling rod, so that the strength is high and the torsion resistance and the shock resistance are excellent; the drilling rod is connected with a power head shaft through a coupler with a buffering function, so that a power head output shaft, a bearing, a driving gear and the like can be effectively protected from being damaged under the impact of alternating loads; the air compressor system is provided with a motor protecting device which can ensure the one-way rotation and stable stopping of the motor and the air compressor, the loss caused by impact vibration and the abrasion caused by the 'hydraulic spring' impact vibration are avoided and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of engineering machinery, relates in particular to a kind of Wind Volume air compressor system tracked hydraulic cutting drill.
Background technology
The air compressor system of existing hydraulic pressure cutting drill, air supply system is not equipped with special gasholder, and air compressor machine generally all adopts piston compressor, there is no deslagging guiding device, and rig drill boom adopts steel plate punched or butt welding piece more; The problem existing is:
1. owing to not being equipped with special gasholder, the Compressed Gas directly being produced by air compressor machine is supplied with drilling rod, drill bit, realize the requirement of air blowing deslagging, cooling drill bit, the impact of machine host galloping by compression, air pressure, the tolerance of institute's air supply source are unstable, and the one, while causing holing, deslagging has some setbacks or holes obstruction, drill bit steam vent stops up, affect boring progress and drilling efficiency, the 2nd, the air blowing cooling effect of drill bit is undesirable, and not only drilling efficiency is low but also affect application life of drill bit;
2. owing to there is no deslagging guiding device, the a large amount of rock quarrels and the dust that in boring procedure, produce, blow out behind hole via compressed air, dance in the air all over the sky, the one, fragment flies on driver's cabin glass plate and shell, affect tractor driver's sight line and normal operating, the 2nd, part detritus stone flies out and falls back again behind hole in hole or be deposited in around hole, and result is to reduce drilling efficiency and increase the labour intensity of drawing grey work;
3. air compressor machine is narrow-minded, and maintenance time is long, and application life is short;
4. because rig drill boom adopts steel plate punched or butt welding piece more, poor rigidity, is in use easily out of shape, ftractures; Drilling rod adopts common colliery tapered tread body, intensity is low, antitorque, shock resistance is poor, and connecting thread fracture and drill rod breaking often occur, drilling rod is directly connected with unit head axle by adapter sleeve, and unit head axle, bearing, travelling gear cause damage under the impact of fluctuating load.
Summary of the invention
The technical problems to be solved in the utility model is: design that a kind of air quantity is large, the life-span is long, transmission efficiency is high, with the tracked hydraulic cutting drill of caisson and slag-draining device, to overcome the deficiency of above-mentioned prior art.
For solving above technical problem, the technical scheme that the utility model is taked is: a kind of Wind Volume air compressor system tracked hydraulic cutting drill, comprise swing arm, drill boom, unit head, propulsive mechanism, air compressor system and pressure oil-source, described drill boom is connected with swing arm, described propulsive mechanism is arranged on the inner chamber of drill boom, described unit head is in transmission connection by unit head axle and drilling rod, described unit head is arranged on the guide rail of drill boom and under the driving of propulsive mechanism, drives feeding and the lifting of drilling rod, on the drill boom of drilling rod bottom, stop collar is installed; The critical piece rigging up fuselage of described air compressor system is also communicated with the blower of drill boom by the pipeline being arranged on swing arm;
Described air compressor system is Wind Volume air compressor system, comprise air compressor machine motor, air compressor machine, oil and gas separating system, the oil cooled system caisson of unifying, described air compressor machine motor and handpiece of air compressor are arranged on powered support, described powered support, oil and gas separating system and oil cooling system are arranged on same base, described air compressor machine is Wind Volume screw-rod air compressor, described air compressor machine motor is hydraulic motor, the oil-feed high-pressure side of air compressor machine motor is communicated with main hydraulic oil source, the oil return low-pressure end of air compressor machine motor is communicated with fuel tank, described air compressor machine motor is in transmission connection by belt pulley and driving belt and air compressor machine, described driving pulley pitch diameter allocation ratio is 5:2 or 2.68:1,
Described caisson is arranged on swing arm, comprise gasholder, air inlet carrier pipe, exhaust solenoid valve, pressure meter and safety valve, described gasholder is made up of the rig swing arm inner chamber sealing, described swing arm bottom is provided with the air inlet port and the exhaust opening that are communicated with gasholder, described enter, exhaust carrier pipe is arranged on the back of swing arm, one end of described air inlet carrier pipe is connected with air compressor machine air supply system by flexible pipe, the other end is communicated with the air inlet port of gasholder by air pipe, one end of described exhaust carrier pipe is communicated with the exhaust opening of gasholder by stack, the blowing pipeline connection of the other end of exhaust carrier pipe and the drilling rod of rig and drill bit, described exhaust opening is provided with the exhaust solenoid valve for controlling capacity, the bottom of described gasholder is provided with pressure meter and safety valve.
On the drill boom of described drilling rod bottom, deslagging guiding device is installed, comprise tubaeform guiding hopper and arc-shaped guide plate, it is peripheral and be bolted on the drill boom frame under stop collar that described tubaeform guiding hopper is enclosed within stop collar, described arc-shaped guide plate is connected on the edge of tubaeform guiding hopper near driver's cabin one side, the other end of described arc-shaped guide plate connects rubber guide plate, and described arc-shaped guide plate is connected with described tubaeform guiding hopper and rubber guide plate by bolt respectively.
Its further technical scheme is: described air compressor system is with motor protection device-one way valve; described one way valve is connected between the oil-feed high-pressure side and oil return low-pressure end of air compressor machine motor, the flow direction of described one way valve by oil return low-pressure end to oil-feed high-pressure side, motor by going out, oil-in forms an interior circulation oil line system.
Its further technical scheme be: the arm body of described drill boom is made up of the square steel pipe of global formation, the front of square steel pipe welding guide rail, and have man-hand hole.
Described drilling rod adopts drill rod special steel pipe material to make, one end of drilling rod is tapered tread body, the other end is T-shaped screw thread, and drilling rod is connected with drill bit by tapered tread body one end, and one end of the T-shaped screw thread of drilling rod band is connected with unit head axle by the shaft coupling with pooling feature.
Described propulsive mechanism comprises chain, sprocket wheel and the feeding motor with reducer, described feeding motor is arranged on drill boom top, described chain is arranged on drill boom, described unit head is arranged on by slide on the guide rail of drill boom, the upper and lower side of described slide is connected with chain by the linkage of movable dismounting, chain is connected with feeding motor driven by sprocket wheel, and feeding motor is realized feeding and the lifting of drilling rod by sprocket wheel and chain drive unit head.
Owing to adopting technique scheme, a kind of Wind Volume air compressor system tracked hydraulic cutting drill of the utility model has following beneficial effect:
1. the air compressor machine of a kind of Wind Volume air compressor system tracked hydraulic cutting drill of the utility model is Wind Volume screw-rod air compressor, when work, exhaust air rate is large, maximum reaches 4 cubic metres per minute, utilize the special gasholder of swing arm internal cavity as air compressor machine air supply system, not only can guarantee that air feed air pressure, tolerance are stable, while making to hole, deslagging is smooth and easy, and drill bit air blowing good cooling results, drilling efficiency are high, drilling life of bit is long, and can conserve space, compact integral structure, saving manufacturing cost;
2. the air compressor machine of a kind of Wind Volume air compressor system tracked hydraulic cutting drill of the utility model adopts fluid motor-driven, drive mechanism is simple, compact, easy to maintenance, air compressor machine maintenance time is few, air compressor system is with motor protection device, air compressor machine motor can be unloaded through one way valve in the time shutting down, reduce the vibration that hydraulic shock causes, not only can avoid the unnecessary loss causing due to impact shock, also guarantee motor and air compressor machine one-directional rotation simultaneously, steadily stop, avoid the wearing and tearing that cause because of " hydraulic spring grease cup " impact shock, not only energy conservation, can increase the service life simultaneously,
3. a kind of Wind Volume air compressor system tracked hydraulic cutting drill of the utility model is provided with deslagging guiding device in drilling rod bottom, rock quarrel and the dust of in boring procedure, from hole, producing by boasting, to change rapidly direction and fall back with a certain distance from ground, limit, hole, avoid rock quarrel and dust to fall after rise again in hole, use this drill hole of drilling machine can be unworthy of drawing grey work, can increase work efficiency, reduce human cost, and can prevent that rubble and broken quarrel are splashed on driver's cabin front windshield, both avoided rubble and broken quarrel to cause damage to windshield and tractor driver, can avoid again affecting tractor driver's normal operating,
4. the drill boom of cutting drill adopts square steel pipe, and good rigidly, intensity is high, antitorque, anti-deformation is good, and good looking appearance has man-hand hole simultaneously on drill boom, not only facilitates the I&M of chain, has also reduced the weight of drill boom simultaneously.
The technical characterictic of a kind of Wind Volume air compressor system tracked hydraulic cutting drill below in conjunction with drawings and Examples to the utility model is further described.
Accompanying drawing explanation
Fig. 1: a kind of Wind Volume air compressor system tracked hydraulic cutting drill general structure schematic diagram (always figure) of the utility model;
Fig. 2～Fig. 4: air compressor system structural representation;
Fig. 2-overview, Fig. 3-mounting structure front view, the left view of Fig. 4-Fig. 3;
Fig. 5: caisson structural representation;
Fig. 6: deslagging guiding device structural representation;
Fig. 7: motor protection device structural representation;
Fig. 8～Figure 10: drill boom structural representation:
Fig. 8-front view, the C-C sectional view of Fig. 9-Fig. 8, the installment state schematic diagram of Figure 10-drill boom;
Figure 11: jackrod structure schematic diagram;
Figure 12: drilling rod and shaft coupling, unit head connection diagram;
Figure 13: propulsive mechanism structural representation.
In figure:
1-cutting drill, 2-air compressor system, 201-base, 202-oil and gas separating system, 203-powered support, 204-driven pulley, 205-driving belt, 206-belt tension bolt, 207-drive pulley, 208-air compressor machine motor, 209-air compressor machine, 210-admission valve, 211-air filter air inlet pipe, 212-air prefilter, 213-air filter, 214-oil cooling system, 3-swing arm, 31-gasholder, 311-air inlet port, 312-exhaust opening, 32-air inlet carrier pipe, 33-exhaust carrier pipe, 34-safety valve, 35-pressure meter, 36-exhaust solenoid valve, 37-stack, 38-air pipe, 4-propulsive mechanism, 41-feeding motor, 42-sprocket wheel, 43-chain, 5-unit head, 51-cutting motor, 8-shaft coupling, 9-drill boom, 91-drill boom guide rail, 92-drill boom arm body, 921-man-hand hole, 93-drill boom contiguous block, 10-drilling rod, 101-T-shaped screw thread, 102-tapered tread body, 11-articulating device, 12-stop collar, 13-drill bit, 14-one way valve, 15-deslagging guiding device, 151-tubaeform guiding hopper, 152-arc-shaped guide plate, 153-rubber guide plate, PO-main hydraulic oil source, T-fuel tank.
The specific embodiment
A kind of Wind Volume air compressor system tracked hydraulic cutting drill, comprise swing arm 3, drill boom 9, unit head 5, propulsive mechanism 4, air compressor system and pressure oil-source, described drill boom 9 is connected with swing arm 3, described propulsive mechanism 4 is arranged on the inner chamber of drill boom, described unit head 5 is in transmission connection by unit head axle 54 and drilling rod 10, described unit head is arranged on the guide rail 91 of drill boom and under the driving of propulsive mechanism 4, drives feeding and the lifting of drilling rod 10, and stop collar 12 is installed on the drill boom of drilling rod bottom; The critical piece of described air compressor system is arranged on drilling machine body and is communicated with the blower of drill boom by the pipeline being arranged on swing arm;
Described air compressor system is Wind Volume air compressor system, comprise air compressor machine motor 208, air compressor machine 209, oil and gas separating system 202, oil cooling system 214 and caisson, described air compressor machine motor and handpiece of air compressor are arranged on powered support 203, described powered support 203, oil and gas separating system 202 and oil cooling system 214 are arranged on same base 201, described air compressor machine is Wind Volume screw-rod air compressor, described air compressor machine motor is hydraulic motor, the oil-feed high-pressure side of air compressor machine motor is communicated with main hydraulic oil source PO, the oil return low-pressure end of air compressor machine motor is communicated with fuel tank T, described air compressor machine motor is in transmission connection by belt pulley and driving belt and air compressor machine, described driving pulley pitch diameter allocation ratio is 5:2 or 2.68:1.
Described caisson is arranged on swing arm 3, comprise gasholder 31, exhaust carrier pipe 33 and air inlet carrier pipe 32, exhaust solenoid valve 36, pressure meter 35, safety valve 34, described gasholder is made up of the rig swing arm inner chamber sealing, described swing arm bottom is provided with the air inlet port 311 and the exhaust opening 312 that are communicated with gasholder, described exhaust carrier pipe and air inlet carrier pipe are arranged on the back of swing arm, one end of described air inlet carrier pipe 32 is connected with air compressor machine air supply system by flexible pipe, the other end is communicated with the air inlet port 311 of gasholder by air pipe 38, one end of described exhaust carrier pipe 33 is communicated with the exhaust opening 312 of gasholder by stack 37, the blowing pipeline connection of the other end of exhaust carrier pipe and the drilling rod of rig and drill bit, described exhaust opening is provided with the exhaust solenoid valve 36 for controlling capacity, the bottom of described gasholder is provided with pressure meter 35 and safety valve 34.
On the drill boom of described drilling rod bottom, deslagging guiding device 15 is installed, comprise tubaeform guiding hopper 151 and arc-shaped guide plate 152, it is peripheral and be bolted on the drill boom frame under stop collar that described tubaeform guiding hopper is enclosed within stop collar 12, described arc-shaped guide plate is connected on the edge of tubaeform guiding hopper near driver's cabin one side, the other end of described arc-shaped guide plate connects rubber guide plate 153, and described arc-shaped guide plate is connected with described tubaeform guiding hopper and rubber guide plate by bolt respectively.
Described air compressor system is with motor protection device-one way valve 14; described one way valve is connected between the oil-feed high-pressure side and oil return low-pressure end of air compressor machine motor, between main hydraulic oil source PO and fuel tank T, the flow direction of described one way valve by oil return low-pressure end to oil-feed high-pressure side, by fuel tank to pressure oil-source.
The arm body 92 of described drill boom 9 is made up of the square steel pipe of global formation, the front connection guide rail 91 of square steel pipe, and the side of square steel pipe has man-hand hole 921, to facilitate the installation and maintenance of chain.
Described drilling rod 10 adopts drill rod special steel pipe material to make, one end of drilling rod is tapered tread body 102, the other end is T-shaped screw thread 101, and drilling rod is connected with drill bit 13 by tapered tread body one end, and one end of the T-shaped screw thread of drilling rod band is connected with unit head axle by the shaft coupling 8 with pooling feature.
Described propulsive mechanism comprises chain 43, sprocket wheel 42 and the feeding motor 41 with reducer, described feeding motor is arranged on drill boom 9 tops, described chain is arranged on drill boom inner chamber, described unit head 5 is arranged on by slide 6 on the guide rail 91 of drill boom, the upper and lower side of described slide is connected with chain by the linkage 11 of movable dismounting, chain is connected with feeding motor driven by sprocket wheel, and feeding motor is realized feeding and the lifting of drilling rod by sprocket wheel and chain drive unit head.
Above-described embodiment is preferably one of embodiment of the utility model.
Claims (6)
1. a Wind Volume air compressor system tracked hydraulic cutting drill, comprise swing arm, drill boom, unit head, propulsive mechanism, air compressor system and pressure oil-source, described drill boom is connected with swing arm, described propulsive mechanism is arranged on the inner chamber of drill boom, described unit head is in transmission connection by unit head axle and drilling rod, described unit head is arranged on the guide rail of drill boom and under the driving of propulsive mechanism, drives feeding and the lifting of drilling rod, and stop collar (12) is installed on the drill boom of drilling rod bottom; The critical piece of described air compressor system is arranged on drilling machine body and is communicated with the blower of drill boom by the pipeline being arranged on swing arm; It is characterized in that:
Described air compressor system is Wind Volume air compressor system, comprise air compressor machine motor (208), air compressor machine (209), oil and gas separating system (202), oil cooling system (214) and caisson, described air compressor machine motor and handpiece of air compressor are arranged on powered support (203), described powered support (203), oil and gas separating system (202) and oil cooling system (214) are arranged on same base (201), described air compressor machine is Wind Volume screw-rod air compressor, described air compressor machine motor is hydraulic motor, the oil-feed high-pressure side of air compressor machine motor is communicated with main hydraulic oil source (PO), the oil return low-pressure end of air compressor machine motor is communicated with fuel tank (T), described air compressor machine motor is in transmission connection by belt pulley and driving belt and air compressor machine, described driving pulley pitch diameter allocation ratio is 5:2 or 2.68:1,
Described caisson is arranged on swing arm (3), comprise gasholder (31), exhaust carrier pipe (33), air inlet carrier pipe (32), exhaust solenoid valve (36), pressure meter (35) and safety valve (34), described gasholder is made up of the rig swing arm inner chamber sealing, described swing arm bottom is provided with the air inlet port (311) and the exhaust opening (312) that are communicated with gasholder, described exhaust carrier pipe and air inlet carrier pipe are arranged on the back of swing arm, one end of described air inlet carrier pipe (32) is connected with air compressor machine air supply system by flexible pipe, the other end is communicated with the air inlet port (311) of gasholder by air pipe (38), one end of described exhaust carrier pipe (33) is communicated with the exhaust opening (312) of gasholder by stack (37), the blowing pipeline connection of the other end of exhaust carrier pipe and the drilling rod of rig and drill bit, described exhaust opening is provided with the exhaust solenoid valve (36) for controlling capacity, the bottom of described gasholder is provided with pressure meter (35) and safety valve (34).
2. a kind of Wind Volume air compressor system tracked hydraulic cutting drill according to claim 1, it is characterized in that: deslagging guiding device (15) is installed on the drill boom of described drilling rod bottom, comprise tubaeform guiding hopper (151) and arc-shaped guide plate (152), it is peripheral and be bolted on the drill boom frame under stop collar that described tubaeform guiding hopper is enclosed within stop collar (12), described arc-shaped guide plate is connected on the edge of tubaeform guiding hopper near driver's cabin one side, the other end of described arc-shaped guide plate connects rubber guide plate (153), described arc-shaped guide plate is connected with described tubaeform guiding hopper and rubber guide plate by bolt respectively.
3. a kind of Wind Volume air compressor system tracked hydraulic cutting drill according to claim 1; it is characterized in that: described air compressor system is with motor protection device-one way valve (14); described one way valve is connected between the oil-feed high-pressure side and oil return low-pressure end of air compressor machine motor, between main hydraulic oil source (PO) and fuel tank (T), the flow direction of described one way valve by oil return low-pressure end to oil-feed high-pressure side, by fuel tank to pressure oil-source, motor by going out, oil-in forms an interior circulation oil line system.
4. a kind of Wind Volume air compressor system tracked hydraulic cutting drill according to claim 1 and 2, it is characterized in that: the arm body (92) of described drill boom (9) is made up of the square steel pipe of global formation, the front connection guide rail (91) of square steel pipe, the side of square steel pipe has man-hand hole (921).
5. a kind of Wind Volume air compressor system tracked hydraulic cutting drill according to claim 3, it is characterized in that: described drilling rod (10) adopts drill rod special steel pipe material to make, one end of drilling rod is tapered tread body (102), the other end is T-shaped screw thread (101), drilling rod is connected with drill bit (13) by tapered tread body one end, and one end of the T-shaped screw thread of drilling rod band is connected with unit head axle by the shaft coupling with pooling feature (8).
6. a kind of Wind Volume air compressor system tracked hydraulic cutting drill according to claim 4, is characterized in that:
Described propulsive mechanism comprises chain (43), sprocket wheel (42) and the feeding motor (41) with reducer, described feeding motor is arranged on drill boom (9) top, described chain is arranged on drill boom inner chamber, described unit head (5) is arranged on by slide (6) on the guide rail (91) of drill boom, the upper and lower side of described slide is connected with chain by the linkage (11) of movable dismounting, chain is connected with feeding motor driven by sprocket wheel, and feeding motor is realized feeding and the lifting of drilling rod by sprocket wheel and chain drive unit head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697864.4U CN203614030U (en) | 2013-11-06 | 2013-11-06 | Crawler-type hydraulic cutting drilling machine for large-air-volume air compressor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697864.4U CN203614030U (en) | 2013-11-06 | 2013-11-06 | Crawler-type hydraulic cutting drilling machine for large-air-volume air compressor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614030U true CN203614030U (en) | 2014-05-28 |
Family
ID=50766682
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320697864.4U Withdrawn - After Issue CN203614030U (en) | 2013-11-06 | 2013-11-06 | Crawler-type hydraulic cutting drilling machine for large-air-volume air compressor system |
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| Country | Link |
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| CN (1) | CN203614030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643894A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Crawler-type hydraulic cutting drilling machine of large-air-volume air compressor system |
| CN118481524A (en) * | 2024-07-15 | 2024-08-13 | 山东钰镪地质资源勘查开发有限责任公司 | Water level measurement drilling device for geological survey |
-
2013
- 2013-11-06 CN CN201320697864.4U patent/CN203614030U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643894A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Crawler-type hydraulic cutting drilling machine of large-air-volume air compressor system |
| CN103643894B (en) * | 2013-11-06 | 2015-10-21 | 桂林市华力重工机械有限责任公司 | A kind of Wind Volume air compressor system tracked hydraulic cutting drill |
| CN118481524A (en) * | 2024-07-15 | 2024-08-13 | 山东钰镪地质资源勘查开发有限责任公司 | Water level measurement drilling device for geological survey |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20151021 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |