CN217921094U - Pipeline installation hoisting device for pipeline installation engineering - Google Patents
Pipeline installation hoisting device for pipeline installation engineering Download PDFInfo
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- CN217921094U CN217921094U CN202221534695.8U CN202221534695U CN217921094U CN 217921094 U CN217921094 U CN 217921094U CN 202221534695 U CN202221534695 U CN 202221534695U CN 217921094 U CN217921094 U CN 217921094U
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- 238000009434 installation Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a piping erection hoisting device that piping erection engineering was used belongs to auxiliary assembly technical field for the piping erection, and the pipeline of having solved different pipe diameters needs to use different piping erection hoisting device to install the promotion to operator's work efficiency's technical problem has been reduced. This pipe installation hoisting device includes the tower crane, the hoisting component, a frame, slide mechanism, the baffle, the riser, hold in the palm the thing board, grip block and adjusting part, the hoisting component is installed on the tower crane, the frame mount is on the hoisting component, slide mechanism installs on the frame, the one end of baffle is installed in frame one side, the one end slidable mounting of riser is on slide mechanism, the one end of holding in the palm the thing board is installed in the one end that the frame was kept away from to the riser, hold in the palm the thing board and be located between baffle and the riser, adjusting part installs on the riser, the grip block passes through adjusting part and installs on the riser, it puts the object space to form between grip block and the support thing board, adjusting part is used for adjusting the grip block and holds in the palm the interval between the thing board.
Description
Technical Field
The utility model belongs to the technical field of auxiliary assembly for the piping erection, in particular to piping erection hoisting device that piping erection engineering was used.
Background
Pipeline transportation is a common transportation mode, and in normal production life, because the transported objects are different, the pipe diameter of the pipeline can be changed correspondingly. In the prior art, the pipelines with different pipe diameters need to be installed and lifted by using different pipeline installation lifting devices, so that the working efficiency of an operator is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a piping erection hoisting device that piping erection engineering was used for the pipeline of solving different pipe diameters needs to use different piping erection hoisting device to install the promotion, thereby has reduced operator's work efficiency's technical problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a pipe installation hoisting device that pipeline installation engineering used includes the tower crane, the lifting unit, a frame, slide mechanism, the baffle, the riser, hold in the palm the thing board, grip block and adjusting part, the lifting unit installs on the tower crane, the frame mounting is on the lifting unit, the lifting unit is used for driving the frame and rises and descend, slide mechanism installs on the frame, the one end of baffle is installed in the one side that the frame is close to slide mechanism, the one end slidable mounting of riser is on slide mechanism, the one end of holding in the palm the thing board is installed in the one end that the frame was kept away from to the riser, hold in the palm the thing board and be located between baffle and the riser, adjusting part installs on the riser, the grip block is installed on the riser through adjusting part, the grip block is located holds in the thing board top, form between grip block and the thing board and put the thing space, adjusting part is used for adjusting the interval between grip block and the thing board.
Through the structure, the utility model provides a pair of pipeline installation hoisting device that pipeline installation engineering used can install the promotion to the pipeline of multiple pipe diameter simultaneously, has improved operator's work efficiency. Specifically, transversely arrange the pipeline between baffle and the support object board, slide mechanism takes the riser to be close to the baffle to the drive holds in the palm the object board and is close to the baffle, thereby promotes the pipeline and supports on the baffle, and then makes the pipeline roll to holding in the palm on the object board. Then the adjusting component drives the clamping plate to be close to the object supporting plate, so that the pipeline is fixed by the object supporting plate and the clamping plate. And finally, the lifting assembly drives the frame to ascend, so that the pipeline is driven to ascend.
Optionally, the adjustment assembly comprises:
one side of the vertical plate is provided with a sliding groove matched with the sliding block, and the sliding block is slidably arranged in the sliding groove;
the first driving mechanism is arranged on the vertical plate and the sliding block and used for driving the clamping plate to be close to and far away from the object supporting plate.
Optionally, the first drive mechanism comprises:
the rack is arranged on one side of the sliding block, which is far away from the baffle;
the first driving motor is arranged on one side, far away from the baffle, of the vertical plate;
the first driving gear is arranged at the end part of an output shaft of the first driving motor;
the first driven gear is rotatably installed on one side, far away from the baffle, of the vertical plate and meshed with the rack, and the first driven gear is meshed with the first driving gear.
Optionally, one end of the object supporting plate, which is far away from the vertical plate, is provided with a first concave portion adapted to an outer contour of the pipeline, one end of the clamping plate, which is far away from the vertical plate, is provided with a second concave portion adapted to the outer contour of the pipeline, the first concave portion and the second concave portion form the object accommodating space, and the object accommodating space is used for fixing the pipeline.
Optionally, the sliding mechanism comprises:
a bottom plate mounted at the bottom of the frame;
the two side plates are respectively arranged on two opposite sides of the bottom plate, and one ends of the two side plates, which are far away from the bottom plate, extend downwards;
one end of the screw rod is rotatably arranged on any one side plate, and the other end of the screw rod is rotatably arranged on the other side plate;
two ends of the two guide rails are respectively installed on the two side plates, the axes of the guide rails are parallel to the axis of the screw rod, and the screw rod is positioned between the two guide rails;
the sliding block is provided with a threaded hole and two guide rail holes, the screw rod is in threaded connection with the threaded hole, the two guide rails respectively penetrate through the two guide rail holes, and when the screw rod is rotated, the sliding block slides on the screw rod and the two guide rails;
and the second driving mechanism is arranged on one side of the frame, which is far away from the baffle, and is used for driving the screw rod to rotate.
Optionally, the second drive mechanism comprises:
the second driving motor is arranged at one end of the frame close to the side plate;
the second driving gear is arranged at the end part of the output shaft of the second driving motor;
and the second driven gear is coaxially arranged at one end of the screw rod close to the second driving motor, and the second driven gear is meshed with the second driving gear.
Optionally, the lifting assembly comprises:
the third driving motor is arranged at the top end of the tower crane;
the windlass is sleeved on the output shaft of the third driving motor;
one end of the traction rope is arranged on the windlass, and the other end of the traction rope is arranged on the top end of the frame.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pipe installation lifting device for pipe installation engineering provided by an embodiment of the present invention;
FIG. 2 is an assembly schematic view of the frame, the sliding mechanism, the baffle, the vertical plate, the object supporting plate, the clamping plate and the adjusting assembly;
FIG. 3 is a schematic view of the adjustment assembly;
FIG. 4 is a schematic structural view of a first drive mechanism;
FIG. 5 is a schematic structural view of the slide mechanism;
FIG. 6 is a view showing the object supporting plate and the holding plate being disassembled;
FIG. 7 is a schematic view of the construction of the lift assembly;
fig. 8 is a schematic view illustrating an assembly process of a pipe installation lifting device and a pipe for pipe installation engineering according to an embodiment of the present invention;
fig. 9 is a schematic view of an assembly state of a pipe installation lifting device for a pipe installation work and a pipe according to an embodiment of the present invention.
In the figure:
1-a frame;
2-a lifting assembly; 21-a hauling rope; 22-a third drive motor; 23-windlasses;
3-a sliding mechanism; 31-a base plate; 32-side plate; 33-a screw rod; 34-a guide rail; 35-a slider; 36-a second drive mechanism; 361-a second drive motor; 362-a second drive gear; 363-a second driven gear;
4-a baffle plate;
5, erecting a plate;
6-supporting the object plate; 61-a first recess;
7-an adjustment assembly; 71-a slide block; 72-a first drive mechanism; 721-rack bar; 722-a first drive motor; 723-a first drive gear; 724-a first driven gear;
8-a tower crane;
9-a clamping plate; 91-a second recess;
10-pipeline.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
Examples
In the prior art, the pipelines 10 with different pipe diameters need to be installed and lifted by using different pipeline installation lifting devices, so that the working efficiency of an operator is reduced.
In order to solve the above technical problem, the present embodiment provides a pipeline installation lifting device for pipeline installation engineering, which is used for solving the technical problem that pipelines 10 with different pipe diameters need to be installed and lifted by using different pipeline installation lifting devices, so as to reduce the work efficiency of an operator. As shown in fig. 1, the pipe installation lifting device for pipe installation engineering includes a tower crane 8, a lifting assembly 2, a frame 1, a sliding mechanism 3, a baffle 4, a vertical plate 5, a holding plate 6, a clamping plate 9 and an adjusting assembly 7.
Lifting unit 2 slidable mounting is on tower crane 8, the top movable mounting of frame 1 is on lifting unit 2, lifting unit 2 is used for driving frame 1 to rise and descend, slide mechanism 3 installs on the bottom of frame 1, the one end of baffle 4 is installed in the one side that frame 1 is close to slide mechanism 3, 1 downwardly extending of frame is kept away from to the baffle 4 other end, the one end slidable mounting of riser 5 is on slide mechanism 3, frame 1 downwardly extending is kept away from to the other end of riser 5, riser 5 is parallel to each other with baffle 4, and riser 5 is longer than baffle 4, the one end of holding in the palm thing board 6 is installed in the one end that frame 1 was kept away from to riser 5, hold in the palm thing board 6 other end and keep away from riser 5 and extend to being close to baffle 4 direction, hold in the thing board 6 and be located between baffle 4 and riser 5, adjusting part 7, install in one side of riser 5, grip block 9 is through adjusting part 7 slidable mounting on riser 5, grip block 9 is located above holding in the thing board 6, and is parallel to holding in the thing board 6, form the space of putting between grip block 9 and the thing board 6, adjusting part 7 is used for adjusting the interval between grip block 9 and the thing board 6.
Specifically, firstly, the pipe 10 is horizontally placed between the baffle 4 and the object supporting plate 6 as shown in fig. 2, and then, the sliding mechanism 3 brings the vertical plate 5 close to the baffle 4 as shown in fig. 8, so as to drive the object supporting plate 6 close to the baffle 4, so as to push the pipe 10 to abut on the baffle 4, and further, the pipe 10 rolls on the object supporting plate 6. Then, as shown in fig. 9, the adjusting assembly 7 brings the holding plate 9 close to the object supporting plate 6, so that the pipeline 10 is fixed by the object supporting plate 6 and the holding plate 9. Finally, the lifting assembly 2, as shown in fig. 1, lifts the frame 1 and thus the pipe 10.
An alternative implementation of this embodiment is as follows: as shown in fig. 3, the adjusting assembly 7 includes a sliding block 71 and a first driving mechanism 72, a dovetail groove matched with the sliding block 71 is formed on one side of the vertical plate 5, the sliding block 71 is slidably mounted in the dovetail groove, the clamping plate 9 is mounted on the sliding block 71, the first driving mechanism 72 is mounted on the vertical plate 5 and the sliding block 71, and the first driving mechanism 72 is used for driving the clamping plate 9 to approach and depart from the object supporting plate 6.
An alternative implementation of this embodiment is as follows: as shown in fig. 4, the first driving mechanism 72 includes a rack 721, a first driving motor 722, a first driving gear 723 and a first driven gear 724, the rack 721 is installed on a side of the slider 71 away from the baffle 4, the first driving motor 722 is installed on a side of the vertical plate 5 away from the baffle 4, the first driving gear 723 is installed at an end of an output shaft of the first driving motor 722, the first driven gear 724 is rotatably installed on a side of the vertical plate 5 away from the baffle 4 and is engaged with the rack 721, the first driven gear 724 is engaged with the first driving gear 723, specifically, when the first driving motor 722 rotates counterclockwise, the first driving motor 722 drives the first driving gear 723 to rotate counterclockwise, so as to drive the first driven gear 724 to rotate clockwise, so as to drive the rack 721 to move upward, so as to drive the slider 71 to move upward, so as to drive the clamping plate 9 to move away from the object supporting plate 6; when the first driving motor 722 rotates clockwise, the first driving motor 722 drives the first driving gear 723 to rotate clockwise, so as to drive the first driven gear 724 to rotate counterclockwise, thereby driving the rack 721 to move downward, thereby driving the slider 71 to move downward, and further driving the clamping plate 9 to approach the object supporting plate 6.
An alternative implementation of this embodiment is as follows: as shown in fig. 6, a first concave portion 61 adapted to the outer contour of the pipe 10 is disposed at an end of the object supporting plate 6 away from the vertical plate 5, a second concave portion 91 adapted to the outer contour of the pipe 10 is disposed at an end of the holding plate 9 away from the vertical plate 5, and the first concave portion 61 and the second concave portion 91 form an object holding space for fixing the pipe 10.
An alternative implementation of this embodiment is as follows: as shown in fig. 5, the sliding mechanism 3 includes a bottom plate 31, two side plates 32, a screw rod 33, two guide rails 34, a sliding block 35 and a second driving mechanism 36, the bottom plate 31 is installed at the bottom of the frame 1, the two side plates 32 are respectively installed at two opposite sides of the bottom plate 31, one end of the two side plates 32 away from the bottom plate 31 extends downward, one end of the screw rod 33 is rotatably installed on any side plate 32, the other end of the screw rod 33 is rotatably installed on the other side plate 32, two ends of the two guide rails 34 are respectively installed on the two side plates 32, the axis of the guide rail 34 is parallel to the axis of the screw rod 33, the screw rod 33 is located between the two guide rails 34, the sliding block 35 is provided with a threaded hole and two guide rail 34 holes, the screw rod 33 is in threaded connection with the threaded hole, the two guide rails 34 respectively pass through the two guide rail 34 holes, when the screw rod 33 is rotated, the sliding block 35 slides on the screw rod 33 and the two guide rails 34,
a second driving mechanism 36 is arranged on one side of the frame 1 far away from the baffle 4, and the second driving mechanism 36 is used for driving the screw rod 33 to rotate.
An alternative implementation of this embodiment is as follows: as shown in fig. 5, the second driving mechanism 36 includes a second driving motor 361, a second driving gear 362 and a second driven gear 363, the second driving motor 361 is installed at one end of the frame 1 near the side plate 32, the second driving gear 362 is installed at an end of an output shaft of the second driving motor 361, the second driven gear 363 is coaxially installed at one end of the screw 33 near the second driving motor 361, and the second driven gear 363 is engaged with the second driving gear 362. Specifically, when the second driving motor 361 rotates clockwise, the second driving motor 361 drives the second driving gear 362 to rotate clockwise, so as to drive the second driven gear 363 to rotate counterclockwise, so as to drive the lead screw 33 to rotate counterclockwise, so as to drive the sliding block 35 to be away from the baffle 4, so as to drive the vertical plate 5 to be away from the baffle 4, and further drive the object supporting plate 6 to be away from the baffle 4; when second driving motor 361 anticlockwise rotates, second driving motor 361 drives second driving gear 362 anticlockwise rotation to drive second driven gear 363 clockwise, thereby make lead screw 33 clockwise rotate, thereby make sliding block 35 be close to baffle 4, thereby drive riser 5 and be close to baffle 4, and then drive and hold in the palm thing board 6 and be close to baffle 4.
An alternative implementation of this embodiment is as follows: as shown in fig. 7, the lifting assembly 2 comprises a third driving motor 22, a windlass 23 and a traction rope 21, the third driving motor 22 is slidably mounted on the top end of the tower crane 8, the windlass 23 is sleeved on an output shaft of the third driving motor 22, one end of the traction rope 21 is mounted on the windlass 23, and the other end of the traction rope 21 is mounted on the top end of the frame 1. Specifically, when the third driving motor 22 rotates clockwise, the third driving motor 22 rotates clockwise with the windlass 23 to retract the traction rope 21, so as to drive the frame 1 to ascend, and further drive the pipeline 10 to ascend; when the third drive motor 22 rotates counterclockwise, the third drive motor 22 rotates counterclockwise with the windlass 23 to pay out the traction rope 21, thereby lowering the frame 1 and the duct 10.
In conclusion, as shown in fig. 2, in the using process, firstly, the pipeline 10 is horizontally disposed between the baffle 4 and the object supporting plate 6, and then, as shown in fig. 8, the second driving motor 361 rotates counterclockwise to drive the second driving gear 362 to rotate counterclockwise, so as to drive the second driven gear 363 to rotate clockwise, so as to enable the screw rod 33 to rotate clockwise, so as to enable the sliding block 35 to be close to the baffle 4, so as to drive the vertical plate 5 to be close to the baffle 4, so as to drive the object supporting plate 6 to be close to the baffle 4, so as to push the pipeline 10 to be abutted to the baffle 4, and further to enable the pipeline 10 to be rolled onto the object supporting plate 6. Then, as shown in fig. 9, the first driving motor 722 rotates clockwise to drive the first driving gear 723 to rotate clockwise, so as to drive the first driven gear 724 to rotate counterclockwise, so as to drive the rack 721 to move downward, so as to drive the slider 71 to move downward, so as to drive the holding plate 9 to be close to the object supporting plate 6, so that the pipeline 10 is fixed by the object supporting plate 6 and the holding plate 9. Finally, as shown in fig. 1, the third driving motor 22 rotates clockwise, so that the windlass 23 is carried to rotate clockwise to retract the traction rope 21, the frame 1 is driven to ascend, the pipeline 10 is driven to ascend, and the pipeline 10 can slide horizontally along with the third driving motor 22 in the air to be installed in a matching manner. After the installation is completed, the third driving motor 22 rotates counterclockwise, so as to take the windlass 23 to rotate counterclockwise to pay out the traction rope 21, so as to drive the frame 1 to descend, then, the second driving motor 361 rotates clockwise, so as to drive the second driving gear 362 to rotate clockwise, so as to drive the second driven gear 363 to rotate counterclockwise, so as to drive the lead screw 33 to rotate counterclockwise, so as to drive the sliding block 35 to be away from the baffle 4, so as to drive the vertical plate 5 to be away from the baffle 4, so as to drive the object supporting plate 6 to be away from the baffle 4, meanwhile, the first driving motor 722 rotates counterclockwise, the first driving gear 723 is driven by the first driving motor 722 to rotate counterclockwise, so as to drive the first driven gear 724 to rotate clockwise, so as to drive the rack 721 to move upward, so as to drive the sliding block 71 to move upward, so as to drive the clamping plate 9 to be away from the object supporting plate 6.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A piping erection hoisting device that piping erection engineering used, its characterized in that includes:
hoisting a tower;
a lifting assembly mounted on the tower crane;
the frame is arranged on the lifting assembly, and the lifting assembly is used for driving the frame to ascend and descend;
a sliding mechanism mounted on the frame;
one end of the baffle is arranged on one side of the frame close to the sliding mechanism;
one end of the vertical plate is slidably mounted on the sliding mechanism;
one end of the object supporting plate is arranged at one end of the vertical plate far away from the frame, and the object supporting plate is positioned between the baffle plate and the vertical plate;
one end of the clamping plate is mounted on the vertical plate, the clamping plate is positioned above the object supporting plate, and an object placing space is formed between the clamping plate and the object supporting plate;
the adjusting assembly is arranged on the vertical plate, the clamping plate is arranged on the vertical plate through the adjusting assembly, and the adjusting assembly is used for adjusting the distance between the clamping plate and the object supporting plate.
2. A pipe-installation lifting device for pipeline-installation work according to claim 1, wherein said adjustment assembly comprises:
a sliding groove matched with the sliding block is formed in one side of the vertical plate, the sliding block is slidably mounted in the sliding groove, and the clamping plate is mounted on the sliding block;
the first driving mechanism is arranged on the vertical plate and the sliding block and used for driving the clamping plate to be close to and far away from the object supporting plate.
3. The pipe installation lifting device for pipe installation work of claim 2, wherein the first driving mechanism comprises:
the rack is arranged on one side of the sliding block, which is far away from the baffle;
the first driving motor is arranged on one side of the vertical plate far away from the baffle;
the first driving gear is arranged at the end part of the output shaft of the first driving motor;
the first driven gear is rotatably installed on one side, far away from the baffle, of the vertical plate and meshed with the rack, and the first driven gear is meshed with the first driving gear.
4. The pipe installation lifting device for the pipe installation engineering of claim 2, wherein a first concave portion adapted to the outer contour of the pipe is disposed at one end of the object supporting plate away from the vertical plate, a second concave portion adapted to the outer contour of the pipe is disposed at one end of the clamping plate away from the vertical plate, the first concave portion and the second concave portion form the object placing space, and the object placing space is used for fixing the pipe.
5. The pipe installation lifting device for pipe installation work of claim 2, wherein the sliding mechanism comprises:
a bottom plate mounted at the bottom of the frame;
the two side plates are respectively arranged on two opposite sides of the bottom plate, and one ends of the two side plates, which are far away from the bottom plate, extend downwards;
one end of the screw rod is rotatably installed on any one side plate, and the other end of the screw rod is rotatably installed on the other side plate;
two ends of the two guide rails are respectively installed on the two side plates, the axes of the guide rails are parallel to the axis of the screw rod, and the screw rod is positioned between the two guide rails;
the sliding block is provided with a threaded hole and two guide rail holes, the screw rod is in threaded connection with the threaded hole, the two guide rails respectively penetrate through the two guide rail holes, and when the screw rod is rotated, the sliding block slides on the screw rod and the two guide rails;
and the second driving mechanism is arranged on one side of the frame, which is far away from the baffle, and is used for driving the screw rod to rotate.
6. The pipe installation lifting device for pipe installation work of claim 5, wherein the second driving mechanism comprises:
the second driving motor is arranged at one end of the frame close to the side plate;
the second driving gear is arranged at the end part of the output shaft of the second driving motor;
and the second driven gear is coaxially arranged at one end of the screw rod close to the second driving motor, and the second driven gear is meshed with the second driving gear.
7. A pipework installation hoist for a pipework installation according to any one of claims 1 to 6 wherein the hoist assembly includes:
the third driving motor is arranged at the top end of the tower crane;
the windlass is sleeved on the output shaft of the third driving motor;
one end of the traction rope is arranged on the windlass, and the other end of the traction rope is arranged on the top end of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534695.8U CN217921094U (en) | 2022-06-17 | 2022-06-17 | Pipeline installation hoisting device for pipeline installation engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221534695.8U CN217921094U (en) | 2022-06-17 | 2022-06-17 | Pipeline installation hoisting device for pipeline installation engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217921094U true CN217921094U (en) | 2022-11-29 |
Family
ID=84183498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221534695.8U Expired - Fee Related CN217921094U (en) | 2022-06-17 | 2022-06-17 | Pipeline installation hoisting device for pipeline installation engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217921094U (en) |
-
2022
- 2022-06-17 CN CN202221534695.8U patent/CN217921094U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221129 |