CN106629411B - A kind of multi-functional tube has handling appliance - Google Patents
A kind of multi-functional tube has handling appliance Download PDFInfo
- Publication number
- CN106629411B CN106629411B CN201710075719.5A CN201710075719A CN106629411B CN 106629411 B CN106629411 B CN 106629411B CN 201710075719 A CN201710075719 A CN 201710075719A CN 106629411 B CN106629411 B CN 106629411B
- Authority
- CN
- China
- Prior art keywords
- assembly
- hanging hook
- gripper clamp
- flexible arm
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to petroleum and natural gas drilling technique fields, more particularly to a kind of multi-functional tube tool handling appliance, it includes multi-functional tube tool loop wheel machine, pipe has a storage device assembly, pipe tool conveyer and anchoring device, and present device can a variety of pipes tools of handling simultaneously, improve the utilization rate of lifting device, reduce drilling tool processing equipment, while reduce the space of the drilling platforms of hold facility, so as to reduce the weight of drilling platforms.
Description
Technical field
The present invention relates to petroleum and natural gas drilling technique field, more particularly to one kind can handle drilling tool and can also locate
Manage the multi-functional tube tool handling appliance of marine riser.
Background technology
In the prior art, the loop wheel machine that the marine riser processing system of drilling platforms is equipped with can only handle marine riser and stretch
Section, if you need to handle drilling tool, then drilling platforms need to be further provided with drilling tool processing equipment.This results in drilling platforms to need to be equipped with two sets
Pipe has processing system, these equipment not only occupy the space of a large amount of drilling platforms or ship, while also increase drilling platforms
Or the weight of ship, since marine riser and drilling tool do not need to handle simultaneously, this has resulted in the idle of pipe tool processing equipment, reduces
The utilization rate of equipment.
To solve the above problems, need to invent a kind of can also handle the multi-functional tube of marine riser to handle drilling tool
Have handling appliance, in this way can for also reduced while drilling platforms or drill ship saving more spaces drilling platforms or
The weight of drill ship improves the utilization rate of equipment.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency in the presence of the prior art, drilling tool can be handled by providing one kind
The multi-functional tube tool handling appliance of marine riser can also be handled.
In order to achieve the above object, the present invention provides following technical solutions.
A kind of multi-functional tube has handling appliance, including:
Multi-functional tube has loop wheel machine, and the multi-functional tube tool loop wheel machine includes the track being fixedly connected with installation foundation, is mounted on
Door type frame assembly on the track, the trolley assembly being flexibly connected with the door type frame assembly, with trolley assembly activity
The flexible arm assembly of connection, hanging hook assembly rigidly connected with the flexible arm assembly and gripper clamp assembly, with the gate
The control room that frame assembly is fixedly connected;
Pipe has storage device, and the pipe tool storage device is fixedly connected with the installation foundation, and the pipe has storage device
Including marine riser storage device and drilling tool storage device, the marine riser storage device is used for storing marine riser, the drilling tool storage
Cryopreservation device is used for storing drilling rod, drill collar and casing etc., and the marine riser storage device can close two with the drilling tool storage device
It is one, can also individually separates;
Anchoring device, the anchoring device includes hanging hook assembly anchoring device and gripper clamp assembly anchoring device, described to hang
Hook assembly anchoring device and gripper clamp assembly anchoring device are fixedly connected respectively with the installation foundation, the hanging hook assembly anchoring
Device is used to be anchored the hanging hook assembly of off working state, and the gripper clamp assembly is used to be anchored the folder of off working state
Pincers assembly is held, the quantity of the hanging hook assembly anchoring device is 2, and the quantity of the gripper clamp assembly anchoring device is 1.
As the preferred embodiment of the present invention, the flexible arm assembly is identical with the quantity of trolley assembly and is all higher than being equal to 2,
The gripper clamp assembly and a flexible arm assembly are rigidly connected, and the quantity of the hanging hook assembly is 2, respectively with one
The flexible arm assembly rigid connection, the flexible arm assembly are made of three sections of square tubes, described small with being mounted on by steel wire rope
Cable drum connection on vehicle assembly, the rotation of the cable drum drive the lifting of the flexible arm assembly.
When the quantity of the flexible arm assembly and trolley assembly be 2 when, then on a flexible arm assembly increase with
The hydraulic line of the clamping clipper joint, when the hanging hook assembly works, the gripper clamp assembly is anchored on the gripper clamp
It is removed from the flexible arm assembly after on assembly anchoring device, two flexible arm assemblies connect with the hanging hook assembly
Connect, when the gripper clamp assembly works, a hanging hook assembly be anchored on the hanging hook assembly anchoring device after from institute
It states and is removed on flexible arm assembly, two flexible arm assemblies are connect respectively with a hanging hook assembly and gripper clamp assembly.
When the quantity of the flexible arm assembly and trolley assembly is 3, then positioned at the institute on the door type frame assembly both sides
It states flexible arm assembly to connect with two hanging hook assembly, the flexible arm assembly positioned at position among the door type frame assembly
It is connect with the gripper clamp assembly.
As the preferred embodiment of the present invention, the door type frame assembly includes flexible leg, rigid leg and girder, the rail
Road quantity is 2 and is installed in parallel on the installation foundation, and the flexible leg and rigid leg are located at the girder respectively
Both sides, one end of the flexible leg is fixedly connected with a track, the other end of the flexible leg and the master
One end bottom of beam is fixedly connected, and one end of the rigid leg is fixedly connected with another track, the rigid leg
The other end be fixedly connected with the other end bottom of the girder, be separately installed with gate on the flexible leg and rigid leg
Frame drive motor, the door type frame move under the synchronous driving of two door type frame drive motors along the track, institute
Trolley assembly is stated to move along the track on the girder under the driving of trolley motor.
The course of work:
In handling marine riser, the anchoring states of the hanging hook assembly and gripper clamp assembly are first released from, positioned at the door
The door type frame assembly drive motor on the flexible leg and rigid leg of type frame assembly both sides is driven by gear drive
It moves the door type frame assembly and is moved to designated position, the hanging hook assembly and gripper clamp assembly are carried by the flexible arm assembly
Certain altitude is risen to, the pipe tool having with the pipe in storage device is avoided to interfere, the gripper clamp assembly is passed through described
Flexible arm assembly promotion avoids interfering with marine riser to a high position, then drives to after movement position the door type frame, adjusts
The whole position with each trolley assembly of the hanging hook assembly rigidly connected two so that two hanging hook assembly are located at described
The both ends of girder, then synchronous to transfer hanging hook assembly, after transferring to marine riser position, the hanging hook assembly clamps water proof simultaneously
The both ends of pipe promote marine riser by the flexible arm assembly and marine riser are hoisted to operating position.
In handling drilling tool, the anchoring states of the hanging hook assembly and gripper clamp assembly are first released from, positioned at the gate
The door type frame drive motor on the flexible leg and rigid leg of frame both sides drives the gate by gear drive
Frame is moved to designated position, and the hanging hook assembly and gripper clamp assembly are promoted to certain altitude by the flexible arm assembly,
The pipe tool having with the pipe in storage device is avoided to interfere, two hanging hook assembly are carried by the flexible arm assembly
A high position is raised to avoid interfering with pipe tool, in order to avoid drilling tool and the door type frame generate interference during handling drilling tool, pair and institute
It states the rigidly connected trolley assembly of gripper clamp assembly progress and is provided with displacement position-limiting device, then drive the door type frame
To after movement position, adjustment and the position of the rigidly connected trolley assembly of the gripper clamp assembly make it be located substantially at drilling tool
Center, transfer after the gripper clamp assembly clamps drilling tool and promoted, drilling tool is hoisted to operating position.
Compared with prior art, beneficial effects of the present invention:
1st, can a variety of pipes tool of handling simultaneously, improve the utilization rate of lifting device;
2nd, reduce drilling tool processing equipment, while reduce the space of the drilling platforms of hold facility, bored so as to reduce
The weight of well platform.
Description of the drawings
Fig. 1 has handling appliance stereogram for multi-functional tube of the present invention;
Fig. 2 is the door type frame assembly front view that multi-functional tube of the present invention has handling appliance;
Front view when Fig. 3 is a kind of structure handling marine riser that multi-functional tube of the present invention has handling appliance;
Front view when Fig. 4 is a kind of structure handling drilling tool that multi-functional tube of the present invention has handling appliance;
Front view when Fig. 5 is another structure handling marine riser that multi-functional tube of the present invention has handling appliance;
Front view when Fig. 6 is another structure handling drilling tool that multi-functional tube of the present invention has handling appliance.
It is marked in figure:1- multi-functional tubes have loop wheel machine, 11- tracks, 12- door type frame assemblies, 121- flexible legs, 122- rigidity
Supporting leg, 123- girders, 13- trolley assemblies, 14- stretch arm assembly, 15- hanging hook assembly, 16- gripper clamp assemblies, 17- control rooms,
2- pipes have storage device, 21- marine riser storage devices, 22- drilling tool storage devices, 3- anchoring devices, the anchoring of 31- hanging hook assembly
Device, 32- gripper clamp assembly anchoring devices.
Specific embodiment
With reference to embodiment and specific embodiment, the present invention is described in further detail, but should not understand this
Range for aforementioned body of the present invention is only limitted to following embodiment, all to belong to this based on the technology that the content of present invention is realized
The protection domain of invention.
As depicted in figs. 1 and 2, a kind of multi-functional tube tool handling appliance, including multi-functional tube tool loop wheel machine 1, pipe tool storage dress
2 and anchoring device 3 are put, and multi-functional tube tool loop wheel machine 1, pipe tool storage device 2 and anchoring device 3 are fixedly connected with basis,
Middle multi-functional tube tool loop wheel machine 1 is by track 11, door type frame assembly 12, trolley assembly 13, flexible arm assembly 14, hanging hook assembly 15, folder
It holds pincers assembly 16 and control room 17 forms, 11 quantity of track is fixedly connected for 2 with basis, 2 11 parallel installations of track, gate
Frame assembly 12 is placed to be slidably connected on the rail 11 with track 11, and trolley assembly 13 is mounted on 12 top of door type frame assembly and gate
Frame assembly 12 is slidably connected, and flexible arm assembly 14 is flexibly connected by steel wire rope with the roller on trolley assembly 13, hanging hook assembly
15 and gripper clamp assembly 16 be rigidly connected with flexible arm assembly 14, control room 17 is fixedly connected with door type frame assembly, gate
Frame assembly 12 is made of flexible leg 121, rigid leg 122 and girder 123, the structure as shown in Figure 2 of flexible leg 121, but
Such structure is not limited to, the top of flexible leg 121 is fixedly connected with the bottom of 123 one end of girder, the bottom of flexible leg 121
Portion is flexibly connected with a track 11, and the top of rigid leg 122 is fixedly connected with the bottom of 123 other end of girder, and rigidity is propped up
The bottom of leg 122 is flexibly connected with another track 11, and control room 17 is fixedly connected with rigid leg 122, pipe tool storage device 2
It is made of marine riser storage device 21 and drilling tool storage device 22, for storing marine riser, drilling tool stores up marine riser storage device 21
Cryopreservation device 22 is used for storing drilling tool, and anchoring device 3 is made of hanging hook assembly anchoring device 31 and gripper clamp assembly anchoring device 32,
The quantity of hanging hook assembly anchoring device 31 is used for being anchored hanging hook assembly 15 for 2, and the quantity of gripper clamp assembly anchoring device 32 is 1
It is a to be used for being anchored gripper clamp assembly 16.
As shown in figure 3, when the quantity that Fig. 3 is trolley assembly 13 and flexible arm assembly 14 is 3 handling marine riser work
Schematic diagram, two flexible arm assemblies 14 positioned at 123 both sides of girder are rigidly connected respectively with two hanging hook assembly 15, positioned at girder
The flexible arm assembly 14 at 123 intermediate positions is rigidly connected with gripper clamp assembly 16, and the course of work is:It is first released from hanging hook assembly
15 and the anchoring states of gripper clamp assembly 16, on the flexible leg 121 and rigid leg 122 of 12 both sides of door type frame assembly
Door type frame drive motor drives door type frame assembly 12 to be moved to designated position by gear drive, by hanging hook assembly 15 and gripper clamp
Assembly 16 is promoted to certain altitude by flexible arm assembly 14, and the pipe tool having with pipe in storage device 2 is avoided to interfere, will
Gripper clamp assembly 16 is promoted to a high position by flexible arm assembly 14 and avoids interfering with the marine riser that hanging hook assembly 15 clamps, so
After door type frame assembly 12 is driven movement position afterwards, adjustment and two hanging hook assembly, 15 rigidly connected two trolley assemblies 13
Position so that two hanging hook assembly 15 are located at the both ends of girder 123, and then synchronous decentralization hanging hook assembly 15, transfers to water proof
Behind pipe position, two hanging hook assembly 15 clamp the both ends of marine riser simultaneously, promote marine riser by flexible arm assembly 14 and incite somebody to action
Marine riser is hoisted to operating position.
As shown in figure 4, the work of handling drilling tool is shown when the quantity that Fig. 4 is trolley assembly 13 and flexible arm assembly 14 is 3
It is intended to, two flexible arm assemblies 14 positioned at 123 both sides of girder are rigidly connected respectively with two hanging hook assembly 15, positioned at girder
The flexible arm assembly 14 at 123 intermediate positions is rigidly connected with gripper clamp assembly 16, and the course of work is:It is first released from hanging hook assembly
15 and the anchoring states of gripper clamp assembly 16, on the flexible leg 121 and rigid leg 122 of 12 both sides of door type frame assembly
Door type frame drive motor drives door type frame assembly 12 to be moved to designated position by gear drive, by hanging hook assembly 15 and gripper clamp
Assembly 16 is promoted to certain altitude by flexible arm assembly 14, and the pipe tool having with pipe in storage device 2 is avoided to interfere, will
Two hanging hook assembly 15 are promoted to a high position by flexible arm assembly 14 and avoid interfering with drilling tool, during in order to avoid handling drilling tool
Drilling tool and door type frame assembly 12 generate interference, and pair carrying out rigidly connected trolley assembly 13 with gripper clamp assembly 16, there is provided displacements
Then limiting device drives door type frame assembly to after movement position, adjustment is total with 16 rigidly connected trolley of gripper clamp assembly
It is made to be located substantially at the center of drilling tool into 13 position, decentralization gripper clamp assembly 16 is promoted after clamping drilling tool, drilling tool is hung
It is transported to operating position.
In another embodiment, the quantity of trolley assembly 13 and flexible arm assembly 14 is 2, as shown in Figure 5 and Figure 6, Fig. 5
It is the operating diagram of handling marine riser, the course of work is:The anchoring states of hanging hook assembly 15 are first released from, positioned at door type frame
Door type frame drive motor on the flexible leg 121 and rigid leg 122 of 12 both sides of assembly drives door type frame by gear drive
Assembly 12 is moved to designated position, and hanging hook assembly 15 and flexible arm assembly 14 are rigidly connected, and passes through the arm assembly that stretches
14 promote hanging hook assembly 15, and the pipe tool having with pipe in storage device is avoided to interfere, then drives door type frame assembly 12
To after movement position, adjustment and the position of two hanging hook assembly, 15 rigidly connected two trolley assemblies 13 so that two suspension hooks
Assembly 15 is located at the both ends of girder 123, then synchronous decentralization hanging hook assembly 15, and after transferring to marine riser position, two suspension hooks are total
It clamps the both ends of marine riser simultaneously into 15, marine riser is promoted by flexible arm assembly 14 and marine riser is hoisted to working position
It puts;Fig. 6 is the operating diagram of handling drilling tool, and the course of work is:The anchoring states of gripper clamp assembly 16 are first released from, are located at
Door type frame drive motor on the flexible leg 121 and rigid leg 122 of 12 both sides of door type frame assembly is driven by gear drive
Door type frame assembly 12 is moved to designated position, and gripper clamp assembly 16 and flexible arm assembly 14 are rigidly connected, and pass through and stretch
Contracting arm assembly 14 promotes gripper clamp assembly 16, the pipe tool having with pipe in storage device is avoided to interfere, in order to avoid handling
Drilling tool and door type frame assembly 12 generate interference during drilling tool, pair carry out rigidly connected trolley assembly 13 with gripper clamp assembly 16 and set
Then displacement position-limiting device drives door type frame assembly to after movement position, adjustment is with gripper clamp assembly 16 rigidly connected
The position of trolley assembly 13 makes it be located substantially at the center of drilling tool, and decentralization gripper clamp assembly 16 is promoted after clamping drilling tool, will
Drilling tool is hoisted to operating position, and in handling drilling tool, hanging hook assembly 15 can both be anchored on hanging hook assembly anchoring dress simultaneously
Put on 31, can also a hanging hook assembly 15 be anchored on another hanging hook assembly 15 and telescopic arm on hanging hook assembly anchoring device 31
The rigid connection of assembly 14 is promoted to a high position.
Claims (3)
1. a kind of multi-functional tube has handling appliance, including:
Multi-functional tube has loop wheel machine, and the multi-functional tube tool loop wheel machine includes the track being fixedly connected with installation foundation, mounted on described
Door type frame assembly on track, the trolley assembly being flexibly connected with the door type frame assembly are flexibly connected with the trolley assembly
Flexible arm assembly, hanging hook assembly rigidly connected with the flexible arm assembly and gripper clamp assembly are total with the door type frame
Into the control room being fixedly connected;
Pipe has storage device, and the pipe tool storage device includes marine riser storage device and drilling tool storage device, the marine riser
Storage device and drilling tool storage device are fixedly connected respectively with the installation foundation;
Anchoring device, the anchoring device includes hanging hook assembly anchoring device and gripper clamp assembly anchoring device, the suspension hook are total
Into anchoring device for being anchored the hanging hook assembly, the gripper clamp assembly anchoring device is used to be anchored the gripper clamp assembly,
The hanging hook assembly anchoring device and gripper clamp assembly anchoring device are fixedly connected respectively with the installation foundation.
2. a kind of multi-functional tube tool handling appliance according to claim 1, it is characterised in that:The flexible arm assembly and small
The quantity of vehicle assembly is identical and is all higher than equal to 2, and the gripper clamp assembly and a flexible arm assembly are rigidly connected, described
The quantity of hanging hook assembly is 2, is rigidly connected respectively with a flexible arm assembly.
3. a kind of multi-functional tube tool handling appliance according to claim 2, it is characterised in that:The door type frame assembly includes
Flexible leg, rigid leg and girder, the quantity of the track for 2 and is installed in parallel on the installation foundation, described soft
One end of property supporting leg is fixedly connected with a track, and the other end of the flexible leg and one end bottom of the girder are consolidated
Fixed connection, one end of the rigid leg are fixedly connected with another track, the other end of the rigid leg with it is described
The other end bottom of girder is fixedly connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710075719.5A CN106629411B (en) | 2017-02-13 | 2017-02-13 | A kind of multi-functional tube has handling appliance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710075719.5A CN106629411B (en) | 2017-02-13 | 2017-02-13 | A kind of multi-functional tube has handling appliance |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106629411A CN106629411A (en) | 2017-05-10 |
CN106629411B true CN106629411B (en) | 2018-06-19 |
Family
ID=58845946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710075719.5A Active CN106629411B (en) | 2017-02-13 | 2017-02-13 | A kind of multi-functional tube has handling appliance |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106629411B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3068343B1 (en) * | 2017-06-30 | 2020-11-13 | Lohr Ind | HANDLING GATE AND HANDLING SYSTEM INCLUDING SUCH GANTRY |
CN107416702A (en) * | 2017-08-22 | 2017-12-01 | 四川宏华石油设备有限公司 | A kind of connecting beam apparatus between novel telescopic arm |
CN109236210A (en) * | 2018-11-30 | 2019-01-18 | 中煤科工(内蒙古)采矿工程技术有限公司 | A kind of open air drill rig dismountable moving drilling tool library |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206569931U (en) * | 2017-02-13 | 2017-10-20 | 四川宏华石油设备有限公司 | A kind of multi-functional pipe handling appliance |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101487298B1 (en) * | 2013-05-15 | 2015-01-28 | 삼성중공업 주식회사 | Multi Riser Crane |
CN203296722U (en) * | 2013-06-14 | 2013-11-20 | 四川宏华石油设备有限公司 | Floating type gate marine riser crane for offshore drilling |
CN103359626B (en) * | 2013-07-29 | 2015-09-02 | 四川宏华石油设备有限公司 | A kind of Marine riser crane |
CN105540431A (en) * | 2016-01-27 | 2016-05-04 | 中船第九设计研究院工程有限公司 | Offshore crane hoisting system with rigid telescopic sleeve |
CN106241590B (en) * | 2016-08-02 | 2018-02-27 | 四川京石工程技术有限公司 | A kind of oil drilling tools automatic clamping and placing equipment |
-
2017
- 2017-02-13 CN CN201710075719.5A patent/CN106629411B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206569931U (en) * | 2017-02-13 | 2017-10-20 | 四川宏华石油设备有限公司 | A kind of multi-functional pipe handling appliance |
Also Published As
Publication number | Publication date |
---|---|
CN106629411A (en) | 2017-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106629411B (en) | A kind of multi-functional tube has handling appliance | |
CN106761487B (en) | The method that marine drilling platform has processing system with pipe and connects movement thribble | |
CN110043203A (en) | A kind of automated drilling rig and the method using automated drilling rig progress tubing string movement | |
CN203716882U (en) | Pipe racking system of semiautomatic racking drill pipe | |
CN103437724B (en) | A kind of offshore boring island tubing string supporting device | |
EP1799955A1 (en) | Tubular handling apparatus and a drilling rig | |
CN207361607U (en) | A kind of natural gas line installation pipe clamping device | |
CN201419983Y (en) | Folding arm type crane of drilling platform | |
CN203333167U (en) | Drilling racking platform manipulator | |
CN103615204B (en) | The pipe system of gang drill bar is sent in semi-automation | |
CN105201425A (en) | Offshore drilling pipe conveying device | |
CN105484683A (en) | Automatic discharge device for drill strings | |
CN202148920U (en) | Conveying mechanism for tunnel construction | |
CN206928916U (en) | Stacking tubing string manipulator | |
CN209024048U (en) | A kind of high stability tubing derrick crane | |
CN206569931U (en) | A kind of multi-functional pipe handling appliance | |
CN205349253U (en) | Automatic discharging equipment of drilling string | |
CN104712270A (en) | Oil field well workover operation robot | |
CN203066587U (en) | Wire pole drill lifting machine with adjustable drill distance | |
CN104389535A (en) | Drill rod automatic treatment device | |
CN204024527U (en) | Drilling rod automatic processing device | |
CN207333951U (en) | A kind of sebific duct mounting bracket and drill jumbo | |
CN208220674U (en) | A kind of pulling type pipe tool grasping board migration device | |
CN105927172B (en) | A kind of workover automatization operation system | |
CN216197842U (en) | Propelling mechanism for rock drilling jumbo |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |