CN220317276U - Self-propelled oil drilling derrick lifting device and control system thereof - Google Patents
Self-propelled oil drilling derrick lifting device and control system thereof Download PDFInfo
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- CN220317276U CN220317276U CN202323372354.2U CN202323372354U CN220317276U CN 220317276 U CN220317276 U CN 220317276U CN 202323372354 U CN202323372354 U CN 202323372354U CN 220317276 U CN220317276 U CN 220317276U
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- 238000005553 drilling Methods 0.000 title claims abstract description 35
- 239000003208 petroleum Substances 0.000 claims description 20
- 239000003921 oil Substances 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a self-propelled oil drilling derrick lifting device and a control system thereof, and relates to the field of oilfield drilling equipment. The lifting device comprises a chassis frame, a lifting device and a lifting device, wherein the left end and the right end of the chassis frame are provided with walking devices; the lifting platform is arranged on the chassis frame in a lifting manner through a walking lifting hydraulic cylinder; the base is arranged below the lifting platform and is fixedly connected with the lifting platform through the outer cylinder; the cross beam is arranged on the lifting platform in a lifting manner through a cross beam lifting hydraulic cylinder, and an inner cylinder which is in sliding sleeve joint with the outer cylinder is arranged on the cross beam; the controller is connected with the traveling device, the traveling lifting hydraulic cylinder and the beam lifting hydraulic cylinder; the control system comprises a remote controller and a wireless control module. Compared with the prior art, the utility model has the beneficial effects that: the double lifting hydraulic structure is adopted, the support is more stable and reliable through reasonable stress support structure layout, and the support height-adjustable function is realized.
Description
Technical Field
The utility model belongs to the field of oilfield drilling equipment, and particularly relates to a self-propelled petroleum drilling derrick lifting device and a control system thereof.
Background
Petroleum drilling well frames are typically over three and forty meters in height, and are disassembled into parts for transportation in use because of large volume and poor overall transportation, and then assembled in the well site. The derrick is generally composed of multiple sections, and the sections are horizontally assembled into a whole after being transported to a well site. The traditional derrick assembly mode is to put a 'small pillow' under the derrick to hold the derrick, hoist the derrick by a crane after a section of derrick is assembled, then move the small pillow to a new position after personnel or equipment is needed to go under the derrick, and then lower the derrick by the crane to enable the derrick to be carried on the 'small pillow' again so as to install the next section of derrick. In the process, more than two large cranes are needed to work together, personnel or equipment is needed to work below a derrick hung by the cranes, and the equipment such as the cranes is needed to assist in working, and the potential safety hazard is large.
The utility model of China patent 202022768198.1 discloses a crawler type self-walking drilling derrick mounting bracket, which is characterized in that a lifting crawler type moving device is adopted to realize the supporting function of a derrick section, but in the actual operation process, the structure can only be used for supporting the derrick, namely, equipment is firstly moved to a designated position, then a hydraulic cylinder is contracted to enable a base to be connected with the bottom surface of a well site, then the derrick is placed above, and after the derrick is placed, the height adjustment cannot be realized, namely, the adjustment and the installation among multiple sections of derricks cannot be realized, meanwhile, the specification of the derrick mounting bracket relates to the horizontal adjustment through the expansion and the contraction of the hydraulic cylinder, and the crawler is also necessarily subjected to extremely high-strength load, so that the equipment is easy to have mechanical faults.
Disclosure of Invention
The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the present application.
The utility model provides a self-propelled oil drilling derrick lifting device which particularly adopts a double-lifting hydraulic structure, and the support is more stable and reliable and has the function of adjustable support height through reasonable stress support structure layout.
The utility model discloses a self-propelled oil drilling derrick lifting device, which comprises:
the chassis frame is provided with a traveling device at the left end and the right end;
the lifting platform is arranged on the chassis frame in a lifting manner through a walking lifting hydraulic cylinder;
the base is arranged below the lifting table and is fixedly connected with the lifting table through the outer cylinder;
the cross beam is arranged on the lifting platform in a lifting manner through a cross beam lifting hydraulic cylinder, and an inner cylinder which is in sliding sleeve joint with the outer cylinder is arranged on the cross beam;
and the controller is connected with the walking device, the walking lifting hydraulic cylinder and the beam lifting hydraulic cylinder to control the driving of the walking device, the walking lifting hydraulic cylinder and the beam lifting hydraulic cylinder.
In some embodiments, the walking lifting hydraulic cylinder is arranged between the chassis frame and the lifting platform; the beam lifting hydraulic cylinder is arranged between the base and the beam.
In some embodiments, the number of the walking lifting hydraulic cylinders is 4, and the walking lifting hydraulic cylinders are symmetrically arranged at the front end and the rear end of the chassis frame and the lifting platform respectively; the number of the outer cylinders and the number of the inner cylinders are 4, and the outer cylinders and the inner cylinders are symmetrically distributed at four ends of the base and the cross beam; the number of the beam lifting hydraulic cylinders is 2, and the beam lifting hydraulic cylinders are symmetrically arranged at the left end and the right end of the base and the beam.
In some embodiments, the controller comprises: the electric control system and the hydraulic control system are arranged on the chassis frame.
In some embodiments, the hydraulic control system is disposed at a geometric center of the chassis frame; the hydraulic control system comprises a hydraulic oil tank, a hydraulic pump, an electric control proportional valve, a hydraulic pipeline and a hydraulic motor; the electric control system is arranged at the rear end of the chassis frame; the electric control system comprises an electric control cabinet, a battery pack, a battery management system and a brushless motor.
In some embodiments, further comprising:
the auxiliary frame is fixedly connected with the outer cylinder and extends to the outer side of the chassis frame through a gap between the chassis frame and the lifting platform;
the auxiliary base is arranged at the lower end of the auxiliary frame and used for bearing the electric control system, and the bottom of the auxiliary base is flush with the bottom of the base.
In some embodiments, further comprising:
the working platform is arranged above the travelling device, and 2 hinged mounting points arranged on the working platform are respectively hinged with the outer cylinder and the lifting platform;
and the buffer cushion is arranged above the cross beam.
In some embodiments, the inner barrel is embedded in the outer barrel and a locking mechanism is arranged between the inner barrel and the outer barrel; the locking mechanism comprises a lock pin arranged on the outer cylinder and a plurality of connecting pin holes arranged on the inner cylinder.
In some embodiments, the running gear includes:
the walking frames are arranged on two sides of the chassis frame;
the plurality of supporting wheels are arranged at the upper end and the lower end of the walking frame, the plurality of supporting wheels are arranged at the lower end of the walking frame, and at least 1 supporting wheel is arranged at the upper end of the walking frame;
the driving gear and the tensioning wheel are respectively arranged at two ends of the walking frame;
the crawler belt is arranged between the driving gear and the tensioning wheel;
the tensioning outer cylinder is arranged on the walking frame;
the tensioning inner cylinder is connected with the tensioning outer cylinder in a sliding and clamping manner, the outer end of the tensioning inner cylinder is connected with the tensioning wheel, the inner end of the tensioning inner cylinder is connected with an adjusting screw rod, and the adjusting screw rod is in threaded connection with a threaded seat arranged on the walking frame.
A self-propelled petroleum drilling derrick lifting device control system, comprising: at least 2 self-propelled petroleum drilling derrick lifting devices, a remote controller and a wireless control module as described in the above embodiments;
the wireless control module is arranged in the controller on each self-propelled petroleum drilling derrick lifting device; and a control signal is sent to a plurality of wireless control modules through a remote controller so as to control the walking lifting hydraulic oil cylinder or the cross beam lifting hydraulic oil cylinder in each self-propelled petroleum drilling derrick lifting device to synchronously move.
Compared with the prior art, the utility model has the following beneficial effects:
1. by adopting the design of the double lifting structure, a large crane is not needed to lift and lower the derrick, the complexity and difficulty of operation are reduced, meanwhile, the stability and the supportability are stronger, the application range is wider, and the operation condition is more flexible.
2. The hydraulic system with higher weight is designed at the geometric center of the equipment according to the overall structural layout of the equipment, so that the hydraulic system is convenient to connect with the hydraulic cylinders around the equipment, the center of gravity of the equipment is stable, and the electric control system is arranged outside the equipment, so that an operator can overhaul and maintain the equipment conveniently.
3. Synchronous control can be performed in a wireless remote control mode to control more than 2 equipment structures to perform synchronous lifting operation, so that the synchronism during operation is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a schematic view of the structure of the connecting pin hole of the present utility model.
Fig. 4 is a schematic structural view of the auxiliary frame and the auxiliary base of the vehicle of the present utility model.
Description of the drawings: chassis frame 1, elevating platform 2, urceolus 3, inner tube 4, base 5, walking lift hydraulic cylinder 6, crossbeam lift hydraulic cylinder 7, crossbeam 8, track 9, supporting wheel 10, drive gear 11, take-up pulley 12, tensioning urceolus 13, tensioning inner tube 14, screw thread seat 15, accommodate lead screw 16, connecting pinhole 17, blotter 18, electrical control system 19, hydraulic control system 20, auxiliary frame 21, auxiliary base 22.
Detailed Description
The present utility model will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It is apparent that the drawings in the following description are only some examples or embodiments of the present utility model, and it is possible for those of ordinary skill in the art to apply the present utility model to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the utility model can be combined with other embodiments without conflict.
A self-propelled oil drilling derrick lifting device comprising: the lifting platform comprises a chassis frame 1, a lifting platform 2, a base 5, a cross beam 8 and a controller; wherein, the left and right ends of the chassis frame 1 are provided with running gears; the lifting platform 2 is arranged on the chassis frame 1 in a lifting manner through a walking lifting hydraulic cylinder 6; the base 5 is arranged below the lifting platform 2 and is fixedly connected with the lifting platform 2 through the outer cylinder 3; the cross beam 8 is arranged on the lifting platform 2 in a lifting manner through a cross beam lifting hydraulic cylinder 7, and an inner cylinder 4 which is in sliding sleeve joint with the outer cylinder 3 is arranged on the cross beam 8; the controller is connected with the traveling device, the traveling lifting hydraulic cylinder and the beam lifting hydraulic cylinder to control the driving of the traveling device, the traveling lifting hydraulic cylinder and the beam lifting hydraulic cylinder.
When the travelling device is in integral migration, the travelling lifting hydraulic cylinder 6 stretches out to drive the lifting platform 2 to move upwards, and the lifting platform 2 and the base 5 are fixedly connected together through the outer cylinder 3, so that the base 5 ascends and is separated from the ground, the travelling device is in contact with the ground, and the migration of equipment is realized. When the walking lifting hydraulic cylinder 6 reaches a designated position, the lifting platform 2 is driven to move downwards by shrinkage, and the lifting platform 2 and the base 5 are fixedly connected together through the outer cylinder 3, so that the base 5 descends and contacts the ground until the walking devices on two sides are lifted, and the equipment is fixed; after the equipment is fixed, the beam lifting hydraulic cylinder 7 realizes a lifting function under the guiding action of the outer cylinder 3 and the inner cylinder 4 so as to be used for supporting operation of the derrick.
In some embodiments, a walking lifting hydraulic cylinder 6 is arranged between the chassis frame 1 and the lifting platform 2; the beam lifting hydraulic cylinder 7 is arranged between the base 5 and the beam 8.
In some embodiments, 4 walking lifting hydraulic cylinders 6 are symmetrically arranged at the front end and the rear end of the chassis frame 1 and the lifting platform 2 respectively; the number of the outer cylinders 3 and the number of the inner cylinders 4 are 4, and the outer cylinders are symmetrically distributed at four ends of the base 5 and the cross beam 8; the beam lifting hydraulic cylinders 7 are provided with 2 and symmetrically arranged at the left end and the right end of the base 5 and the beam 8. The whole chassis frame 1, the lifting platform 2 and the base 5 are in a cuboid structure, so that good supportability in the lifting process can be ensured through the structure arrangement.
In some embodiments, further comprising: an electric control system 19 and a hydraulic control system 20, both of which are arranged on the chassis frame 1. Specifically, the hydraulic control system 20 is arranged at the geometric center of the chassis frame 1; the hydraulic control system 20 comprises a hydraulic oil tank, a hydraulic pump, an electrically controlled proportional valve, a hydraulic pipeline and a hydraulic motor. The motion of each hydraulic actuating mechanism is controlled by the electric control proportional valve, the control precision is high, and stepless speed regulation can be realized. The electric control system 19 is arranged at the rear end of the chassis frame 1; the electric control system 19 comprises an electric control cabinet, a battery pack, a battery management system and a brushless motor. The battery pack provides power for the equipment, an external power supply is not needed during working, and the battery pack is flexible and convenient to use. The hydraulic control system 20 has a relatively large weight because of the inclusion of the hydraulic oil tank, and at the same time, the traveling hoist cylinders 6 and the beam hoist cylinders 7 are relatively located around the same, thereby facilitating the piping connection.
Wherein, still include: an auxiliary frame 21 and an auxiliary base 22; the auxiliary frame 21 is fixedly connected with the outer cylinder and extends to the outer side of the chassis frame 1 through a gap between the chassis frame 1 and the lifting platform 2; the auxiliary base 22 is arranged at the lower end of the auxiliary frame 21 and is used for bearing the electric control system 19, and the bottom of the auxiliary base 22 is flush with the bottom of the base 5. The auxiliary frame 21 and the auxiliary base 22 adopt an external structural form, so that the electric control system 19 can be externally arranged, and an operator can overhaul and maintain conveniently.
In some embodiments, further comprising: a work platform and a cushion 18; the working platform is arranged above the travelling device, and 2 hinging mounting points arranged on the working platform are respectively hinged with the outer cylinder 3 and the lifting platform 2; the operator can carry out auxiliary related work through the working platform by the working platform. The cushion pad 18 is arranged above the cross beam 8 to play a role in cushioning and protecting.
In some embodiments, the inner cylinder 4 is embedded in the outer cylinder 3 with a locking mechanism therebetween; the locking mechanism comprises a lock pin arranged on the outer cylinder 3 and a plurality of connecting pin holes 17 arranged on the inner cylinder 4. The mechanical locking structure is realized through the arrangement of the connecting pin holes 17, and the hydraulic locks of the walking lifting hydraulic cylinder 6 and the beam lifting hydraulic cylinder 7 are matched to realize multiple locking protection.
In some embodiments, the running gear includes: the device comprises a walking frame, a crawler 9, a supporting wheel 10, a driving gear 11, a tensioning wheel 12, a tensioning outer cylinder 13 and a tensioning inner cylinder 14; the walking frames are arranged on two sides of the chassis frame 1; the plurality of supporting wheels 10 are arranged at the upper end and the lower end of the walking frame, the plurality of supporting wheels 10 are arranged at the lower end of the walking frame, and at least 1 supporting wheel 10 is arranged at the upper end of the walking frame; the driving gear 11 and the tensioning wheel 12 are respectively arranged at two ends of the walking frame; the crawler belt 9 is arranged between the driving gear 11 and the tensioning wheel 12; the tensioning outer cylinder 13 is arranged on the walking frame; the tensioning inner cylinder 14 is connected with the tensioning outer cylinder 13 in a sliding and clamping manner, the outer end of the tensioning inner cylinder 14 is connected with the tensioning wheel 12, the inner end of the tensioning inner cylinder 14 is connected with an adjusting screw 16, and the adjusting screw 16 is in threaded connection with a threaded seat 15 arranged on the walking frame. The crawler-type structure is more suitable for complex environments of well sites, and the crawler-type structure is matched with the tensioning effect of the corresponding tensioning wheel packaging crawler 9.
A self-propelled petroleum drilling derrick lifting device control system, comprising: at least 2 self-propelled petroleum drilling derrick lifting devices, a remote controller and a wireless control module as in the above embodiments; the wireless control module is arranged in a controller on each self-propelled petroleum drilling derrick lifting device; and a control signal is sent to a plurality of wireless control modules through a remote controller so as to control the walking lifting hydraulic cylinder 6 or the beam lifting hydraulic cylinder 7 in each self-propelled petroleum drilling derrick lifting device to synchronously move. The remote controller adopts a wireless proportional remote controller and is provided with two control modes, wherein one mode is that one controller controls one device to lift; and the second mode is that a remote controller simultaneously controls a plurality of devices to synchronously lift, so that the lifting heights of the plurality of devices can be ensured to be consistent all the time.
The working principle is as follows:
an operator controls one or more self-propelled petroleum drilling derrick lifting devices to move to a designated location through a remote control. For example, 1 or more self-propelled oil drilling derrick lifting devices are moved to the lower parts of corresponding derricks to be carried and supported, then all the walking lifting hydraulic cylinders 6 are controlled to synchronously move through a remote controller, so that the base 5 is contacted with the ground, the walking devices are separated from the ground, and all the beam lifting hydraulic cylinders 7 are controlled to synchronously extend to synchronously support the derricks, so that the derricks are ensured to be in a horizontal state. In the process, the specific support is to support the same derrick; meanwhile, if a plurality of sections of derricks are involved, the ground surfaces are not necessarily completely flush or the height of the derricks is required to be adjusted in the process of connecting the derricks, and the beam lifting hydraulic cylinder 7 in the self-propelled oil drilling derrick lifting device below the adjacent derricks is adjusted.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A self-propelled oil drilling derrick lifting device, comprising:
the chassis frame is provided with a traveling device at the left end and the right end;
the lifting platform is arranged on the chassis frame in a lifting manner through a walking lifting hydraulic cylinder;
the base is arranged below the lifting table and is fixedly connected with the lifting table through the outer cylinder;
the cross beam is arranged on the lifting platform in a lifting manner through a cross beam lifting hydraulic cylinder, and an inner cylinder which is in sliding sleeve joint with the outer cylinder is arranged on the cross beam;
and the controller is connected with the walking device, the walking lifting hydraulic cylinder and the beam lifting hydraulic cylinder to control the driving of the walking device, the walking lifting hydraulic cylinder and the beam lifting hydraulic cylinder.
2. The self-propelled oil drilling derrick lifting device of claim 1, wherein the traveling hoist cylinder is disposed between the chassis frame and the hoist table; the beam lifting hydraulic cylinder is arranged between the base and the beam.
3. The lifting device of a self-propelled petroleum drilling derrick according to claim 1, wherein the number of the walking lifting hydraulic cylinders is 4, and the walking lifting hydraulic cylinders are symmetrically arranged at the front end and the rear end of the chassis frame and the lifting platform respectively; the number of the outer cylinders and the number of the inner cylinders are 4, and the outer cylinders and the inner cylinders are symmetrically distributed at four ends of the base and the cross beam; the number of the beam lifting hydraulic cylinders is 2, and the beam lifting hydraulic cylinders are symmetrically arranged at the left end and the right end of the base and the beam.
4. The self-propelled petroleum drilling derrick lifting device of claim 1, wherein the controller comprises:
the electric control system and the hydraulic control system are arranged on the chassis frame.
5. The self-propelled oil drilling derrick lifting device of claim 4, wherein the hydraulic control system is disposed at a geometric center of the chassis frame; the hydraulic control system comprises a hydraulic oil tank, a hydraulic pump, an electric control proportional valve, a hydraulic pipeline and a hydraulic motor; the electric control system is arranged at the rear end of the chassis frame; the electric control system comprises an electric control cabinet, a battery pack, a battery management system and a brushless motor.
6. The self-propelled petroleum drilling derrick lifting device of claim 5, further comprising:
the auxiliary frame is fixedly connected with the outer cylinder and extends to the outer side of the chassis frame through a gap between the chassis frame and the lifting platform;
the auxiliary base is arranged at the lower end of the auxiliary frame and used for bearing the electric control system, and the bottom of the auxiliary base is flush with the bottom of the base.
7. The self-propelled petroleum drilling derrick lifting device of claim 1, further comprising:
the working platform is arranged above the travelling device, and 2 hinged mounting points arranged on the working platform are respectively hinged with the outer cylinder and the lifting platform;
and the buffer cushion is arranged above the cross beam.
8. The self-propelled oil drilling derrick lifting device of claim 1, wherein the inner barrel is embedded in the outer barrel and a locking mechanism is arranged between the inner barrel and the outer barrel; the locking mechanism comprises a lock pin arranged on the outer cylinder and a plurality of connecting pin holes arranged on the inner cylinder.
9. A self-propelled petroleum drilling derrick lifting device of claim 1, wherein the running gear comprises:
the walking frames are arranged on two sides of the chassis frame;
the plurality of supporting wheels are arranged at the upper end and the lower end of the walking frame, the plurality of supporting wheels are arranged at the lower end of the walking frame, and at least 1 supporting wheel is arranged at the upper end of the walking frame;
the driving gear and the tensioning wheel are respectively arranged at two ends of the walking frame;
the crawler belt is arranged between the driving gear and the tensioning wheel;
the tensioning outer cylinder is arranged on the walking frame;
the tensioning inner cylinder is connected with the tensioning outer cylinder in a sliding and clamping manner, the outer end of the tensioning inner cylinder is connected with the tensioning wheel, the inner end of the tensioning inner cylinder is connected with an adjusting screw rod, and the adjusting screw rod is in threaded connection with a threaded seat arranged on the walking frame.
10. A self-propelled petroleum drilling derrick lifting device control system, comprising: at least 2 self-propelled petroleum drilling derrick lifting devices, a remote control and a wireless control module as recited in claim 4;
the wireless control module is arranged in the controller on each self-propelled petroleum drilling derrick lifting device; and a control signal is sent to a plurality of wireless control modules through a remote controller so as to control the walking lifting hydraulic oil cylinder or the cross beam lifting hydraulic oil cylinder in each self-propelled petroleum drilling derrick lifting device to synchronously move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323372354.2U CN220317276U (en) | 2023-12-12 | 2023-12-12 | Self-propelled oil drilling derrick lifting device and control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323372354.2U CN220317276U (en) | 2023-12-12 | 2023-12-12 | Self-propelled oil drilling derrick lifting device and control system thereof |
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| CN220317276U true CN220317276U (en) | 2024-01-09 |
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| CN202323372354.2U Active CN220317276U (en) | 2023-12-12 | 2023-12-12 | Self-propelled oil drilling derrick lifting device and control system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119059458A (en) * | 2024-11-06 | 2024-12-03 | 胜利油田利丰石油设备制造有限公司 | Self-propelled oil drilling derrick intelligent disassembly and assembly crane lifting equipment |
-
2023
- 2023-12-12 CN CN202323372354.2U patent/CN220317276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119059458A (en) * | 2024-11-06 | 2024-12-03 | 胜利油田利丰石油设备制造有限公司 | Self-propelled oil drilling derrick intelligent disassembly and assembly crane lifting equipment |
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