CN210798824U - Impact type multifunctional airborne drilling machine - Google Patents
Impact type multifunctional airborne drilling machine Download PDFInfo
- Publication number
- CN210798824U CN210798824U CN201921152574.5U CN201921152574U CN210798824U CN 210798824 U CN210798824 U CN 210798824U CN 201921152574 U CN201921152574 U CN 201921152574U CN 210798824 U CN210798824 U CN 210798824U
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- 238000005553 drilling Methods 0.000 title claims abstract description 64
- 239000011435 rock Substances 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000009527 percussion Methods 0.000 claims 3
- 238000005422 blasting Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 241001074085 Scophthalmus aquosus Species 0.000 abstract 1
- 208000006011 Stroke Diseases 0.000 description 7
- 230000005641 tunneling Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of the colliery machinery of developing for various drilling in construction colliery hard rock roadway blasting drilling and stock and anchor rope strut operation in the pit provides a multi-functional machine of impacted style machine carries rig. The technical scheme comprises a positioning oil cylinder, a propelling slide way pressing block, a slide way seat, a propelling slide way, a propelling oil cylinder, a clamp holder, a drill rod support seat, a slide way top plate, a slide way pressing block, a slide way bottom plate, a forward and reverse rotation large-torque transmission device, an impact rock drilling machine, a rock drilling machine fixing plate, a fixing plate slide way pressing block, a primary oil cylinder, a secondary oil cylinder, a chain assembly and an integrated valve group; the utility model has the advantages of rock drilling speed is fast, the impact efficiency is high, the noise is little, be difficult for the sticking of the brill, pleasing to the eye, nimble effectively avoided colliding, has protected the propeller, has greatly reduced the quantity that exposes oil pipe, avoids the condition emergence of oil pipe extrusion, has promoted the wholeness ability of rig.
Description
Technical Field
The utility model belongs to the technical field of the colliery machinery of developing for various drilling in construction colliery hard rock roadway blasting drilling and stock and anchor rope strut operation in the pit provides a multi-functional machine of impacted style machine carries rig.
Background
In recent years, with the rapid development of national economy of China, the demand for coal is rapidly increased, so that the improvement of the tunneling efficiency of hard rock roadways is important. In the hard rock roadway tunneling process, the hardness of rocks is high, the general hardness coefficient is f 6-f 10, and the hardness can reach f14 or even higher individually, the loss of parts of a common rotary drilling machine rapidly rises along with the increase of the hardness of the rocks, the parts are seriously worn, the replacement of accessories is frequent, the loss of a drill bit is large, the tunneling cost is increased, the operation time of workers under temporary support is prolonged, and the potential safety hazard is large. In conclusion, the ordinary supporting drilling process has low tunneling efficiency, high labor intensity of workers and poor safety, and is not suitable for the production needs of modern mines.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the current situation of hard rock roadway tunnelling and the problem that exists, provide one kind and can realize high-efficient stock support, possess the multi-functional machine of impacted style machine of construction stock hole, anchor rope hole and blasting drilling, it uses with drill carriage or the supporting of entry driving machine, can be used to the rock roadway tunnelling working face rock drilling operation. The on-board drilling machine adopts an impact rock drilling mode, has large torque, high speed and high efficiency, integrates multiple functions, and can realize multiple functions of positioning before drilling, drill rod supporting, mechanical drill rod dismounting, secondary stroke amplification, drilling compensation, forward and reverse rotation large torque transmission, impact drilling and the like.
In order to realize the purpose, the utility model adopts the technical proposal that: an impact type multifunctional machine-mounted drilling machine comprises a positioning oil cylinder, a pushing slideway pressing block, a slideway seat, a pushing slideway, a pushing oil cylinder, a clamp, a drill rod support seat, a slideway top plate, a slideway pressing block, a slideway bottom plate, a forward and reverse rotation large-torque transmission device, an impact type rock drilling machine, a rock drilling machine fixing plate, a fixing plate slideway pressing block, a primary oil cylinder, a secondary oil cylinder, a chain assembly and an integrated valve group; an oil way which is communicated with the positioning oil cylinder and the integrated valve group is arranged in the slideway bottom plate; one end of the positioning oil cylinder is fixed at the lower end of the slideway bottom plate, the other end of the positioning oil cylinder is connected with the holder, and an oil way connected with the holder is arranged inside the positioning oil cylinder; one end of the slideway seat is fixed at the bottom of the slideway bottom plate, the other end of the slideway seat is connected with the propelling slideway pressing block, one end of the propelling oil cylinder is connected with the slideway bottom plate, the other end of the propelling oil cylinder is connected with the propelling slideway, and the slideway seat is driven to slide back and forth along the propelling slideway through the back and forth expansion of the propelling oil cylinder, so that the stroke compensation function of the impact rock drilling machine is realized; the drill rod support is inserted in the drill rod support seat, so that the drill rod is convenient to position; one end of the slideway top plate is connected with the drill rod supporting seat, and the other end of the slideway top plate is fixed with the slideway; the slideway and the slideway pressing block are arranged above the slideway bottom plate; one end of the primary oil cylinder is fixed on the side surface of the slideway, the other end of the primary oil cylinder is connected with the chain assembly, one end of the chain assembly is arranged in the middle position in the slideway, the other end of the chain assembly is connected with the primary oil cylinder, and the chain assembly is driven to slide back and forth in the slideway by the back and forth expansion of the primary oil cylinder to realize the stroke double amplification function; one end of the secondary oil cylinder is fixed with the side surface of the slideway, and the other end of the secondary oil cylinder is connected with the top plate of the slideway, and the slideway is driven to slide back and forth by the back and forth expansion of the secondary oil cylinder; oil paths required by the primary oil cylinder are arranged in the slideway top plate and the secondary oil cylinder so as to realize linkage of the primary oil cylinder and the secondary oil cylinder; the front and back large-stroke sliding of the impact rock drilling machine is realized by the combined propulsion of the primary oil cylinder and the secondary oil cylinder; a rock drilling machine fixing plate and a fixing plate slideway pressing block are arranged above the slideway, one end of the rock drilling machine fixing plate is connected and fixed with the chain assembly, and the other end of the rock drilling machine fixing plate is fixedly arranged with the impact type rock drilling machine; the forward and reverse rotation large torque transmission device is arranged at the front end of the rock drilling machine, and realizes the large torque transmission function in the processes of impact drilling and drill rod propelling.
Furthermore, the clamp holder consists of a clamp holder frame, a clamping arm, a clamping oil cylinder, a connecting rod and a clamping seat; the gripper frame is fixed at the front end of the positioning oil cylinder, and an oil way required by the gripping oil cylinder is arranged in the gripper frame; the two clamping arms are respectively arranged in the clamping device frame in a bilateral symmetry manner; the two connecting rods are symmetrically arranged left and right, one end of each connecting rod is connected with the clamping arm, and the other end of each connecting rod is connected with the clamping oil cylinder; the two clamping seats are arranged in bilateral symmetry and are arranged at the end parts of the clamping arms; one end of the clamping oil cylinder is fixed on the clamp holder, the other end of the clamping oil cylinder is connected with the connecting rod, the clamping oil cylinder stretches up and down, the connecting rod drives the clamping arm to move, the clamping seat is opened and closed, and therefore the purpose that the clamp holder mechanically dismantles the drill rod is achieved.
Furthermore, the positive and negative rotation large torque transmission device consists of a drill rod tail, a reducing sleeve, a hexagonal connecting sleeve and an elastic retaining ring for a shaft, wherein the outer walls of the drill rod tail and the reducing sleeve are respectively provided with a first outer hexagonal and a second outer hexagonal, a through inner hexagonal I is axially arranged in the hexagonal connecting sleeve, the first outer hexagonal and the second outer hexagonal arranged on the outer walls of the drill rod tail and the reducing sleeve are sleeved in the inner hexagonal I on the inner surface of the hexagonal connecting sleeve, one end of the drill rod tail is connected with a drilling machine, the other end of the drill rod tail is provided with a left-handed corrugated female thread and is matched with a corrugated male thread at one end of the reducing sleeve, and an inner cavity of the drill rod tail is provided with a cooling water channel for cooling water to pass; the middle part of the reducing sleeve is provided with a mounting groove of the elastic check ring for the shaft, the elastic check ring for the shaft is arranged in the mounting groove, the hexagonal connecting sleeve is limited in the axial direction, and the hexagonal connecting sleeve is prevented from moving in the axial direction.
Furthermore, an inner hexagonal II is also arranged in the inner cavity at the other end of the reducing sleeve, so that the reducing sleeve is conveniently connected with a drill rod.
The utility model has the advantages of it is following:
first, the utility model discloses an impulse type rock drilling machine to high pressure oil is the power supply, has advantages such as the rock drilling is fast, impact efficiency is high, the noise is little, difficult sticking of tool.
Second, the utility model discloses an integrate the oil circuit design. The oil way is integrated into the structural part, so that the number of exposed oil pipes is greatly reduced, the extrusion of the oil pipes is avoided, the overall performance of the drilling machine is improved, and the drilling machine is more attractive and flexible.
Third, the utility model discloses a modular structure control mode design. The situation that the first-stage oil cylinder and the second-stage oil cylinder collide with each other in the propelling process is fully considered, the first-stage oil cylinder and the second-stage oil cylinder are in serial linkage, oil passages of the positioning oil cylinder and the clamping oil cylinder are centralized in the integrated valve bank to be controlled, when the first-stage oil cylinder, the second-stage oil cylinder or the positioning oil cylinder act independently, the slide way bottom plate and the clamp holder are in contact with each other, certain pressure is generated to enable the oil cylinders to automatically unload, collision is effectively avoided, and the propeller is protected.
Fourth, the utility model discloses an impulse type rock drilling machine, the cooperation integrates oil circuit and modular structure control, has advantages such as the operation is nimble, control is convenient, work efficiency is high, drilling rate is fast, the operation environment is good, through supporting the use with this machine carries rig and drill carriage or entry driving machine, has solved the difficult problem of the high-efficient stock support in hard rock tunnel and tunnelling.
Drawings
Fig. 1 and 2 are schematic structural views of the present invention;
fig. 3 is a schematic view of the structure of the clamper.
FIG. 4 is a schematic structural view of the medium-to-counter-rotating large torque transmission device of the present invention;
FIG. 5 is an internal cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of the bit shank structure of the forward and reverse rotation large torque transmission device of the present invention;
FIG. 7 is a schematic view of a structure of a variable diameter sleeve of the positive and negative rotation large torque transmission device of the present invention;
fig. 8 is a schematic view of the hexagonal connecting sleeve structure of the positive and negative rotation large torque transmission device of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, the impact type multifunctional airborne drilling machine of the embodiment comprises a positioning oil cylinder 9-20-1, a propulsion slide pressure block 9-20-2, a slide seat 9-20-3, a propulsion slide 9-20-4, a propulsion oil cylinder 9-20-5, a gripper 9-20-6, a drill rod support 9-20-7, a drill rod support seat 9-20-8, a slide top plate 9-20-9, a slide 9-20-10, a slide pressure block 9-20-11, a slide bottom plate 9-20-12, a forward and reverse large torque transmission device 13, an impact type rock drilling machine 14, a rock drilling machine fixing plate 15, a fixing plate slide pressure block 16, a primary oil cylinder 17, a secondary oil cylinder 18, a chain assembly 19 and an integrated valve group 20; an oil way which is communicated with the positioning oil cylinder 9-20-1 and the integrated valve group 20 is arranged in the slideway bottom plate 9-20-12; one end of a positioning oil cylinder 9-20-1 is fixed at the lower end of the slideway bottom plate 9-20-12, the other end is connected with a clamper 9-20-6, and an oil way connected with the clamper 9-20-6 is arranged inside the positioning oil cylinder 9-20-1; one end of a slideway seat 9-20-3 is fixed at the bottom of a slideway bottom plate 9-20-12, the other end is connected with a propulsion slideway press block 9-20-2, one end of a propulsion oil cylinder 9-20-5 is connected with the slideway bottom plate 9-20-12, the other end is connected with a propulsion slideway 9-20-4, and the slideway seat 9-20-3 is driven to slide back and forth along the propulsion slideway 9-20-4 by the back and forth extension of the propulsion oil cylinder 9-20-5, so that the 14 stroke compensation function of the impact rock drilling machine is realized; the drill rod support 9-20-7 is inserted in the drill rod support seat 9-20-8, so that the drill rod is convenient to position; one end of the slideway top plate 9-20-9 is connected with the drill rod supporting seat 9-20-8, and the other end is fixed with the slideway 9-20-10; the slideway 9-20-10 and the slideway press block 9-20-11 are arranged above the slideway bottom plate 9-20-12; one end of the primary oil cylinder 17 is fixed on the side surface of the slideway 9-20-10, the other end of the primary oil cylinder is connected with the chain assembly 19, one end of the chain assembly 19 is arranged in the middle position inside the slideway 9-20-10, the other end of the chain assembly is connected with the primary oil cylinder 17, and the chain assembly 19 is driven by the front-back expansion of the primary oil cylinder 17 to slide back and forth in the slideway 9-20-10 to realize the function of twice amplification of the stroke; one end of the secondary oil cylinder 18 is fixed with the side surface of the slideway 9-20-10, and the other end is connected with the slideway top plate 9-20-9, and the slideway 9-20-10 is driven to slide back and forth by the back and forth expansion of the secondary oil cylinder 18; oil passages required by the primary oil cylinder 17 are arranged in the slideway top plate 9-20-9 and the secondary oil cylinder 18 so as to realize linkage of the primary oil cylinder 17 and the secondary oil cylinder 18; the impact type rock drilling machine 14 slides forwards and backwards in a large stroke by the combined propulsion of the primary oil cylinder 17 and the secondary oil cylinder 18; a rock drilling machine fixing plate 15 and a fixing plate slideway pressing block 16 are arranged above the slideways 9-20-10, one end of the rock drilling machine fixing plate 15 is fixedly connected with a chain assembly 19, and the other end of the rock drilling machine fixing plate is fixedly arranged with an impact type rock drilling machine 14; the forward and reverse rotation large torque transmission device 13 is arranged at the front end of a rock drilling machine 14, and realizes large torque transmission functions in the processes of impact drilling and drill rod propelling.
As shown in fig. 3, the clamper 9-20-6 is composed of a clamper frame 21, a clamping arm 22, a clamping cylinder 23, a connecting rod 24 and a clamping seat 25; the gripper frame 21 is fixed at the front end of the positioning oil cylinder 9-20-1, and an oil way required by the gripping oil cylinder 23 is arranged in the gripper frame 21; the two clamping arms 22 are respectively arranged in the clamping device frame 21 in a bilateral symmetry manner; two connecting rods 24 are symmetrically arranged left and right, one end of each connecting rod 24 is connected with the clamping arm 22, and the other end of each connecting rod 24 is connected with the clamping oil cylinder 23; the two clamping seats 25 are arranged in bilateral symmetry and are arranged at the end part of the clamping arm 22; one end of a clamping oil cylinder 23 is fixed on the clamp holder frame 21, the other end of the clamping oil cylinder is connected with a connecting rod 24, the clamping oil cylinder 23 extends up and down, and the connecting rod 24 drives a clamping arm 22 to move, so that a clamping seat 25 is opened and closed, and the purpose of mechanically disassembling the drill rod by the clamp 9-20-6 is achieved.
As shown in fig. 4 to 8, the positive and negative rotation large torque transmission device 13 comprises a drill bit shank 13-1, a reducing sleeve 13-2, a hexagonal connecting sleeve 13-3 and a shaft circlip 13-4, wherein the outer walls of the drill bit shank 13-1 and the reducing sleeve 13-2 are respectively provided with a first outer hexagonal 13-6 and a second outer hexagonal 13-9, the inner part of the hexagonal connecting sleeve 13-3 is axially provided with a through inner hexagonal I13-12, the first outer hexagonal 13-6 and the second outer hexagonal 13-9 arranged on the outer walls of the drill bit shank 13-1 and the reducing sleeve 13-2 are sleeved in an inner hexagonal I13-12 on the inner surface of the hexagonal connecting sleeve 13-3, one end of the drill bit shank 13-1 is connected with a drilling machine, the other end of the drill bit shank is provided with a left wave thread female thread 13-7 and matched with a wave thread male thread 13-8 at one end of the reducing sleeve 13-2, the inner cavity of the drill bit shank 13-1 is provided with a cooling water channel 13-5, cooling water can conveniently pass through; the middle part of the reducing sleeve 13-2 is provided with an installation groove 13-10 of a shaft elastic check ring 13-4, the shaft elastic check ring 13-4 is arranged in the installation groove 13-10, and the hexagonal connecting sleeve 13-3 is limited in the axial direction to prevent the hexagonal connecting sleeve 13-3 from moving in the axial direction. An inner hexagonal II 13-11 is also arranged in the inner cavity at the other end of the reducing sleeve 13-2, so that the reducing sleeve can be conveniently connected with a drill rod.
Claims (4)
1. An impact type multifunctional airborne drilling machine is characterized in that: the impact type multifunctional airborne drilling machine comprises a positioning oil cylinder (9-20-1), a propulsion slide pressure block (9-20-2), a slide seat (9-20-3), a propulsion slide (9-20-4), a propulsion oil cylinder (9-20-5), a gripper (9-20-6), a drill rod support (9-20-7), a drill rod support seat (9-20-8), a slide top plate (9-20-9), a slide (9-20-10), a slide pressure block (9-20-11), a slide bottom plate (9-20-12), a forward and reverse rotation large torque transmission device (13), an impact type rock drilling machine (14), a rock drilling machine fixing plate (15), a fixing plate slide pressure block (16), a primary oil cylinder (17), a secondary oil cylinder (18), a chain assembly (19) and an integrated valve group (20); an oil way which is communicated with the positioning oil cylinder (9-20-1) and the integrated valve group (20) is arranged in the slideway bottom plate (9-20-12); one end of the positioning oil cylinder (9-20-1) is fixed at the lower end of the slideway bottom plate (9-20-12), the other end is connected with the clamper (9-20-6), and an oil way connected with the clamper (9-20-6) is arranged inside the positioning oil cylinder (9-20-1); one end of a slideway seat (9-20-3) is fixed at the bottom of a slideway bottom plate (9-20-12), the other end of the slideway seat is connected with a propulsion slideway pressing block (9-20-2), one end of a propulsion oil cylinder (9-20-5) is connected with the slideway bottom plate (9-20-12), the other end of the propulsion oil cylinder is connected with a propulsion slideway (9-20-4), and the slideway seat (9-20-3) is driven to slide back and forth along the propulsion slideway (9-20-4) through the back and forth extension of the propulsion oil cylinder (9-20-5), so that the stroke compensation function of the impact type rock drilling machine (14) is realized; the drill rod support (9-20-7) is inserted in the drill rod support seat (9-20-8) so as to facilitate the positioning of the drill rod; one end of a slideway top plate (9-20-9) is connected with a drill rod supporting seat (9-20-8), and the other end is fixed with a slideway (9-20-10); the slideway (9-20-10) and the slideway pressing block (9-20-11) are arranged above the slideway bottom plate (9-20-12); one end of the primary oil cylinder (17) is fixed on the side surface of the slideway (9-20-10), the other end of the primary oil cylinder is connected with the chain assembly (19), one end of the chain assembly (19) is installed in the middle position inside the slideway (9-20-10), the other end of the chain assembly is connected with the primary oil cylinder (17), and the chain assembly (19) is driven by the front and back stretching of the primary oil cylinder (17) to slide back and forth in the slideway (9-20-10) to realize the function of twice amplification of the stroke; one end of the secondary oil cylinder (18) is fixed with the side surface of the slideway (9-20-10), and the other end is connected with the slideway top plate (9-20-9), and the slideway (9-20-10) is driven to slide back and forth by the back and forth extension of the secondary oil cylinder (18); the oil circuit required by the primary oil cylinder (17) is arranged in the slideway top plate (9-20-9) and the secondary oil cylinder (18) so as to realize the linkage of the primary oil cylinder (17) and the secondary oil cylinder (18); the impact type rock drilling machine (14) slides forwards and backwards in a large stroke by jointly propelling the primary oil cylinder (17) and the secondary oil cylinder (18); a rock drilling machine fixing plate (15) and a fixing plate slideway pressing block (16) are arranged above the slideways (9-20-10), one end of the rock drilling machine fixing plate (15) is fixedly connected with a chain assembly (19), and the other end of the rock drilling machine fixing plate is fixedly arranged with an impact type rock drilling machine (14); the forward and reverse rotation large torque transmission device (13) is arranged at the front end of a rock drilling machine (14) to realize large torque transmission functions in the processes of impact drilling and drill rod propelling.
2. The multifunctional percussion airborne drilling machine of claim 1, wherein: the gripper (9-20-6) consists of a gripper frame (21), a gripping arm (22), a gripping oil cylinder (23), a connecting rod (24) and a gripping seat (25); the clamp holder (21) is fixed at the front end of the positioning oil cylinder (9-20-1), and an oil way required by the clamping oil cylinder (23) is arranged in the clamp holder (21); the two clamping arms (22) are respectively arranged in the clamping device frame (21) in a bilateral symmetry manner; two connecting rods (24) are symmetrically arranged left and right, one end of each connecting rod (24) is connected with the clamping arm (22), and the other end of each connecting rod (24) is connected with the clamping oil cylinder (23); the two clamping seats (25) are arranged in a left-right symmetrical mode and are arranged at the end parts of the clamping arms (22); one end of a clamping oil cylinder (23) is fixed on the clamp holder (21), the other end of the clamping oil cylinder is connected with a connecting rod (24), the clamping oil cylinder (23) extends up and down, a clamping arm (22) is driven to move through the connecting rod (24), and a clamping seat (25) is opened and closed, so that the purpose of mechanically disassembling the drill rod by the clamp holder (9-20-6) is achieved.
3. The multifunctional percussion airborne drilling machine of claim 1, wherein: the positive and negative rotation large torque transmission device (13) consists of a drill bit shank (13-1), a reducing sleeve (13-2), a hexagonal connecting sleeve (13-3) and an elastic retainer ring (13-4) for a shaft, wherein the outer walls of the drill bit shank (13-1) and the reducing sleeve (13-2) are respectively provided with a first outer hexagonal (13-6) and a second outer hexagonal (13-9), the inner part of the hexagonal connecting sleeve (13-3) is axially provided with a through inner hexagonal I (13-12), the first outer hexagonal (13-6) and the second outer hexagonal (13-9) which are arranged on the outer walls of the drill bit shank (13-1) and the reducing sleeve (13-2) are sleeved in the inner hexagonal I (13-12) on the inner surface of the hexagonal connecting sleeve (13-3), one end of the drill bit shank (13-1) is connected with a drilling machine, the other end of the drill bit shank is provided with a left-handed corrugated female thread (13-7), and is matched with a corrugated male thread (13-8) at one end of the reducing sleeve (13-2), the inner cavity of the drill bit shank (13-1) is provided with a cooling water channel (13-5) for facilitating the passing of cooling water; an installation groove (13-10) of the elastic check ring for the shaft (13-4) is arranged in the middle of the reducing sleeve (13-2), the elastic check ring for the shaft (13-4) is arranged in the installation groove (13-10), and the hexagonal connection sleeve (13-3) is limited in the axial direction to prevent the hexagonal connection sleeve (13-3) from moving in the axial direction.
4. The multifunctional percussion airborne drilling machine of claim 3, wherein: an inner hexagonal II (13-11) is also arranged in the inner cavity at the other end of the reducing sleeve (13-2) to facilitate connection with a drill rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921152574.5U CN210798824U (en) | 2019-07-22 | 2019-07-22 | Impact type multifunctional airborne drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921152574.5U CN210798824U (en) | 2019-07-22 | 2019-07-22 | Impact type multifunctional airborne drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210798824U true CN210798824U (en) | 2020-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921152574.5U Withdrawn - After Issue CN210798824U (en) | 2019-07-22 | 2019-07-22 | Impact type multifunctional airborne drilling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN210798824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273643A (en) * | 2019-07-22 | 2019-09-24 | 山西天巨重工机械有限公司 | A kind of multi-functional airborne drilling machine of impact type |
-
2019
- 2019-07-22 CN CN201921152574.5U patent/CN210798824U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273643A (en) * | 2019-07-22 | 2019-09-24 | 山西天巨重工机械有限公司 | A kind of multi-functional airborne drilling machine of impact type |
| CN110273643B (en) * | 2019-07-22 | 2024-01-30 | 山西天巨重工机械有限公司 | Impact type multifunctional airborne drilling machine |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20240130 |