CN111943082A - Multi freedom lift platform - Google Patents
Multi freedom lift platform Download PDFInfo
- Publication number
- CN111943082A CN111943082A CN202010801248.3A CN202010801248A CN111943082A CN 111943082 A CN111943082 A CN 111943082A CN 202010801248 A CN202010801248 A CN 202010801248A CN 111943082 A CN111943082 A CN 111943082A
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- Prior art keywords
- platform
- transverse moving
- rotating
- fixedly connected
- moving platform
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention relates to the technical field of lifting platforms, in particular to a multi-degree-of-freedom lifting platform. The device comprises a lower moving platform, wherein four corners of the lower moving platform are respectively connected with rollers in a rotating manner, and the rollers at the four corners of the lower moving platform are connected to two guide rails which are arranged in parallel in a rolling manner; the upper end surface of the lower moving platform is provided with a lifting mechanism, and the lifting end of the lifting mechanism is connected with a horizontally arranged lifting platform; the upper surface of the lifting platform is fixedly connected with a fixed platform, a transverse moving mechanism is arranged on the fixed platform, the transverse moving end of the transverse moving mechanism is connected with the transverse moving platform, a rotating mechanism is arranged on the transverse moving platform, and the rotating end of the rotating mechanism is connected with a rotating platform. The invention can realize the position adjustment of a plurality of degrees of freedom of three axes, is convenient to realize the position movement with rapidness, accuracy and labor saving, and improves the working efficiency of installation or maintenance; the invention has the advantages of low cost, convenient manual operation, simple structure and reliable performance.
Description
Technical Field
The invention relates to the technical field of lifting platforms, in particular to a multi-degree-of-freedom lifting platform.
Background
Many auxiliary equipment (such as disposable ballast, ROV, etc.) of the deep sea submersible are required to be installed at the bottom of the deep sea submersible, and are generally difficult to install by means of hoisting. In addition, partial maintenance of the deep sea submersible also requires the personnel to be lifted from the bottom up to the operating station. Portable lift platform has brought very big facility for above-mentioned work, but the displacement of only possessing a degree of freedom of upper and lower direction after the displacement of most lift platform positions were settled at present, and the displacement of other directions need be placed lift platform again and just can be realized, and is consuming time hard again, is difficult to realize quick, accurate position and removes, has brought very big inconvenience for installation and maintenance work.
Disclosure of Invention
The applicant aims at the defects in the prior art, and provides a multi-degree-of-freedom lifting platform with a reasonable structure, which can drive personnel on the platform to realize position adjustment of multiple degrees of freedom in three axes, is convenient to realize rapid, accurate and labor-saving position movement, and improves the working efficiency of installation or maintenance.
The technical scheme adopted by the invention is as follows:
a multi-degree-of-freedom lifting platform comprises a lower moving platform, wherein four corners of the lower moving platform are respectively connected with rollers in a rotating mode, and the rollers at the four corners of the lower moving platform are connected to two guide rails which are arranged in parallel in a rolling mode; the upper end surface of the lower moving platform is provided with a lifting mechanism, and the lifting end of the lifting mechanism is connected with a horizontally arranged lifting platform; the upper surface of the lifting platform is fixedly connected with a fixed platform, a transverse moving mechanism is arranged on the fixed platform, the transverse moving end of the transverse moving mechanism is connected with the transverse moving platform, a rotating mechanism is arranged on the transverse moving platform, and the rotating end of the rotating mechanism is connected with a rotating platform.
Furthermore, the side surface of the lower moving platform is provided with a non-slip lock which is positioned right above any one of the rollers at the four corners of the lower moving platform.
Furthermore, the anti-slip lock comprises a mounting plate fixed on the side face of the lower moving platform, one end of the mounting plate is rotatably connected with one end of the support through a first pin shaft, the other end of the support is fixedly connected with the handle, the middle of the support is rotatably connected with the support through a second pin shaft, the lower end of the support is fixedly connected with an anti-slip block, the anti-slip block is of a circular arc structure, and the anti-slip block can be in contact with the roller in an.
Furthermore, elevating system is for cutting fork elevating system, and elevating system includes two telescopic joints that set up from top to bottom, and two telescopic joints rotate through two pivots of tip and connect, and every telescopic joint includes the scissors body of the X-shaped structure of two bilateral symmetry settings, and every scissors body includes first plate body and second plate body, and first plate body and second plate body center rotate through central pivot and connect. One end of one telescopic joint positioned above the two telescopic joints is rotatably connected with the lifting platform through a pin shaft, one end of one telescopic joint positioned below the two telescopic joints is rotatably connected with the lower moving platform through a pin shaft, the lower moving platform is hinged with a cylinder body of a telescopic cylinder, the telescopic end of the telescopic cylinder is connected with an installation rod, and two ends of the installation rod are respectively and fixedly connected to two scissor bodies of the telescopic joints.
Furthermore, four corners of the upper surface of the lower moving platform are fixedly connected with the vertically arranged supporting columns, and the upper end surfaces of the supporting columns can support and contact the lifting platform.
Furthermore, the transverse moving mechanism comprises a transverse moving screw rod which is transversely arranged, a screw rod section of the transverse moving screw rod is connected with a nut seat through threads, the nut seat is fixedly connected onto a fixed platform, a polished rod section of the transverse moving screw rod is rotatably connected with a screw rod bearing seat, the screw rod bearing seat is fixedly connected onto the lower surface of the transverse moving platform, guide rods are symmetrically arranged on the left side and the right side of the transverse moving screw rod, the guide rods are parallel to the transverse moving screw rod, the guide rods are fixedly connected onto the upper surface of the fixed platform, guide blocks are slidably connected onto the guide rods, and the guide blocks are fixedly.
Furthermore, two ends of the guide rod are respectively fixedly connected with a limiting block.
Furthermore, the tail end of the polished rod section of the transverse moving screw rod extends out of the transverse moving platform and is connected with a transverse moving hand wheel.
Furthermore, the rotating mechanism comprises a worm wheel shaft fixed at the center of the upper surface of the transverse moving platform, the worm wheel shaft is rotatably connected with a worm wheel, the upper end of the worm wheel is fixedly connected with the lower surface of the rotating platform, one side of the worm wheel is meshed with a worm, the thread section of the worm is connected with a worm nut, the worm nut is fixedly connected with the upper surface of the transverse moving platform, and one end of the worm extends out of the transverse moving platform and is connected with a worm.
Furthermore, the upper surface of the transverse moving platform is fixedly connected with two rotating guide rails which are symmetrically arranged on the left side and the right side of the worm wheel shaft, the lower surface of the rotating platform is fixedly connected with two rotating slide blocks, and the two rotating slide blocks are respectively connected onto the two rotating guide rails in a corresponding sliding manner.
The invention has the following beneficial effects:
(1) the invention can realize the position adjustment of a plurality of degrees of freedom of three axes, is convenient to realize the position movement with rapidness, accuracy and labor saving, and improves the working efficiency of installation or maintenance;
(2) the invention has the advantages of low cost, convenient manual operation, simple structure and reliable performance.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 2.
Fig. 5 is an exploded view of the lift mechanism and rotating structure of the present invention.
FIG. 6 is a block diagram of the anti-slip lock of the present invention.
Wherein: 1. a lower moving platform; 2. a roller; 3. a guide rail; 4. a lifting mechanism; 4.1, a first plate body; 4.2, a second plate body; 4.3, a central rotating shaft; 4.4, a rotating shaft; 4.5, installing a rod; 4.6, a telescopic cylinder; 5. a support pillar; 6. a lifting platform; 7. a fixed platform; 8. transversely moving the platform; 9. rotating the platform; 10. a non-slip lock; 10.1, anti-slip blocks; 10.2, a support; 10.3, a bracket; 10.4, a handle; 10.5, mounting a plate; 11. a traversing mechanism; 11.1, transversely moving a screw rod; 11.2, transversely moving a hand wheel; 11.3, a nut seat; 11.4, a screw rod bearing block; 11.5, a guide block; 11.6, a guide rod; 11.7, a limiting block; 12. a rotation mechanism; 12.1, a worm; 12.2, a worm hand wheel; 12.3, a worm nut; 12.4, a worm gear; 12.5, a worm gear shaft; 12.6, rotating the guide rail; 12.7, rotating the sliding block.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the present invention mainly comprises a lower moving platform 1, wherein four corners of the lower moving platform 1 are respectively connected with rollers 2 in a rotating manner, and the rollers 2 at the four corners of the lower moving platform 1 are connected with two guide rails 3 which are arranged in parallel. The lower moving platform 1 can horizontally move forwards and backwards to adjust the position through the arrangement of the rollers 2 and the guide rails 3.
In order to realize the locking of the position of the lower moving platform 1 on the guide rail 3, as shown in fig. 1 and 2, a non-slip lock 10 is arranged on the side surface of the lower moving platform 1, and the non-slip lock 10 is positioned right above any one of the rollers 2 at the four corners of the lower moving platform 1.
As shown in fig. 6, the anti-slip lock 10 includes a mounting plate 10.5 fixed on a side surface of the lower moving platform 1, the mounting plate 10.5 is rotatably connected to one end of a bracket 10.3 through a first pin, the other end of the bracket 10.3 is fixedly connected to a handle 10.4, the middle part of the bracket 10.3 is rotatably connected to a support 10.2 through a second pin, the lower end of the support 10.2 is fixedly connected to an anti-slip block 10.1, the anti-slip block 10.1 is of an arc structure, and the anti-slip block 10.1 can be in contact with the roller 2 in an inos. When the roller 2 needs to be locked, only the handle 10.4 needs to be pulled down manually, so that the anti-slip block 10.1 contacts the roller 2, and the roller 2 is locked.
As shown in fig. 1 and 2, a lifting mechanism 4 is disposed on the upper end surface of the lower moving platform 1, a lifting end of the lifting mechanism 4 is connected to a horizontally disposed lifting platform 6, and the lifting mechanism 4 can adjust the height position of the lifting platform 6.
In the embodiment shown in fig. 1 and 2, the lifting mechanism 4 is a scissor-type lifting mechanism, the lifting mechanism 4 includes two telescopic joints disposed up and down, the two telescopic joints are rotatably connected through two rotating shafts 4.4 at the ends, each telescopic joint includes two scissor bodies of an X-shaped structure disposed in bilateral symmetry, each scissor body includes a first plate body 4.1 and a second plate body 4.2, and the centers of the first plate body 4.1 and the second plate body 4.2 are rotatably connected through a central rotating shaft 4.3. One end of one telescopic joint positioned above the two telescopic joints is rotatably connected with the lifting platform 6 through a pin shaft, and one end of one telescopic joint positioned below the two telescopic joints is rotatably connected with the lower moving platform 1 through a pin shaft. The cylinder body of articulated telescopic cylinder 4.6 on lower moving platform 1, the flexible end of telescopic cylinder 4.6 is connected installation pole 4.5, and installation pole 4.5 both ends are fixed connection respectively on two scissors bodies of telescopic joint.
In order to improve the supporting stability when the lifting platform 6 is lowered to the lowest position, as shown in fig. 1 and fig. 2, four corners of the upper surface of the lower moving platform 1 are fixedly connected with the vertically arranged supporting columns 5, and when the lifting platform 6 is lowered to the lowest position, the upper end surfaces of the supporting columns 5 can support and contact the lifting platform 6.
As shown in fig. 1 and 2, a fixed platform 7 is fixedly connected to the upper surface of the lifting platform 6, a traverse mechanism 11 is arranged on the fixed platform 7, a traverse end of the traverse mechanism 11 is connected with the traverse platform 8, a rotating mechanism 12 is arranged on the traverse platform 8, and a rotating end of the rotating mechanism 12 is connected with the rotating platform 9.
As shown in fig. 4 and 5, the traverse mechanism 11 includes a traverse screw 11.1 disposed transversely, a screw segment of the traverse screw 11.1 is connected with a nut seat 11.3 by screw threads, and the nut seat 11.3 is fixedly connected to the fixed platform 7. A polished rod section of the traverse screw rod 11.1 is rotationally connected with a screw rod bearing seat 11.4, and the screw rod bearing seat 11.4 is fixedly connected with the lower surface of the traverse platform 8. The tail end of the polished rod section of the transverse moving screw rod 11.1 extends out of the transverse moving platform 8 and is connected with a transverse moving hand wheel 11.2. The left side and the right side of the transverse screw rod 11.1 are symmetrically provided with guide rods 11.6, and the guide rods 11.6 are parallel to the transverse screw rod 11.1. The guide rod 11.6 is fixedly connected to the upper surface of the fixed platform 7, the guide block 11.5 is connected to the guide rod 11.6 in a sliding mode, and the guide block 11.5 is fixedly connected to the lower surface of the transverse moving platform 8. In order to limit the distance of the transverse movement of the guide block 11.5, two ends of the guide rod 11.6 are respectively fixedly connected with a limiting block 11.7.
As shown in fig. 3 and 5, the rotating mechanism 12 includes a worm gear shaft 12.5 fixed at the center of the upper surface of the traverse platform 8, the worm gear shaft 12.5 is rotatably connected with a worm gear 12.4, and the upper end of the worm gear 12.4 is fixedly connected with the lower surface of the rotating platform 9. One side of the worm wheel 12.4 is engaged with the worm 12.1, the thread section of the worm 12.1 is connected with the worm nut 12.3, and the worm nut 12.3 is fixedly connected on the upper surface of the traverse platform 8. One end of the worm 12.1 extends out of the transverse moving platform 8 and is connected with the worm hand wheel 12.2. In order to improve the stability of the rotating platform 9 during rotation, the upper surface of the transverse moving platform 8 is fixedly connected with two rotating guide rails 12.6, and the two rotating guide rails 12.6 are symmetrically arranged on the left side and the right side of a worm wheel shaft 12.5. The lower surface of the rotary platform 9 is fixedly connected with two rotary sliders 12.7, and the two rotary sliders 12.7 are respectively and correspondingly connected to two rotary guide rails 12.6 in a sliding manner.
The working principle of the invention is as follows: in operation, the ancillary equipment of the deep sea submersible is placed on the uppermost rotary platform 9. Then, the front and back displacement is realized by the roller 2 and the guide rail 1, and the platform 1 is moved under the locking of the anti-slip lock 10 at the target position. The transverse moving hand wheel 11.2 of the transverse moving mechanism 11 is manually rotated to drive the transverse moving platform 5 to transversely move, so that the freedom degree of the auxiliary equipment in the left and right directions is adjusted. The worm hand wheel 12.2 of the rotating mechanism 12 is manually rotated, the worm 12.1 drives the worm wheel 12.4 to rotate around the worm wheel rotating shaft 12.5, so that the rotating platform 9 is driven to rotate around the Z axis, and the degree of freedom of the rotation of the lifting platform around the Z axis is realized. The invention can realize the position adjustment of a plurality of degrees of freedom of three axes, is convenient to realize the position movement with rapidness, accuracy and labor saving, and improves the working efficiency of installation or maintenance.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (10)
1. The utility model provides a multi freedom lift platform, includes and moves platform (1) down, its characterized in that: four corners of the lower moving platform (1) are respectively connected with the rollers (2) in a rotating way, and the rollers (2) at the four corners of the lower moving platform (1) are connected on two guide rails (3) which are arranged in parallel in a rolling way; the upper end surface of the lower moving platform (1) is provided with a lifting mechanism (4), and the lifting end of the lifting mechanism (4) is connected with a lifting platform (6) which is horizontally arranged; fixed surface connects fixed platform (7) on elevating platform (6), set up sideslip mechanism (11) on fixed platform (7), sideslip platform (8) are connected to the sideslip end of sideslip mechanism (11), set up rotary mechanism (12) on sideslip platform (8), rotary platform (9) are connected to the rotation end of rotary mechanism (12).
2. The multiple degree of freedom lift platform of claim 1, wherein: the side surface of the lower moving platform (1) is provided with a non-slip lock (10), and the non-slip lock (10) is positioned right above any one of the rollers (2) at the four corners of the lower moving platform (1).
3. The multiple degree of freedom elevating platform of claim 2 wherein: the anti-slip lock (10) comprises a mounting plate (10.5) fixed on the side face of the lower moving platform (1), one end of a connecting support (10.3) is rotated on the mounting plate (10.5) through a first pin shaft, the other end of the support (10.3) is fixedly connected with a handle (10.4), the middle of the support (10.3) is rotatably connected with a support (10.2) through a second pin shaft, the lower end of the support (10.2) is fixedly connected with an anti-slip block (10.1), the anti-slip block (10.1) is of a circular arc-shaped structure, and the anti-slip block (10.1) can be in contact with the roller (2) in an.
4. The multiple degree of freedom lift platform of claim 1, wherein: elevating system (4) are for cutting fork elevating system, elevating system (4) are including two telescopic joints that set up from top to bottom, two telescopic joints rotate through two pivot (4.4) of tip and connect, every telescopic joint includes the scissors body of the X-shaped structure of two bilateral symmetry settings, every scissors body includes first plate body (4.1) and second plate body (4.2), first plate body (4.1) and second plate body (4.2) center are connected through central rotating shaft (4.3) rotation, the telescopic joint one end that is located the top in two telescopic joints is connected lift platform (6) through the round pin axle rotation, a telescopic joint one end that lies in the below in two telescopic joints is connected lower moving platform (1) through the round pin axle rotation, the cylinder body of articulated telescopic cylinder (4.6) on moving platform (1) down, the telescopic end of telescopic cylinder (4.6) is connected installation pole (4.5), installation pole (4.5) both ends are fixed connection respectively on two scissors bodies of telescopic joint.
5. The multiple degree of freedom lift platform of claim 1, wherein: the upper surface four corners of the lower moving platform (1) are fixedly connected with the vertically arranged supporting columns (5), and the upper end surfaces of the supporting columns (5) can support and contact the lifting platform (6).
6. The multiple degree of freedom lift platform of claim 1, wherein: the transverse moving mechanism (11) comprises a transverse moving screw rod (11.1) which is transversely arranged, a screw rod section of the transverse moving screw rod (11.1) is connected with a nut seat (11.3) through threads, the nut seat (11.3) is fixedly connected onto a fixed platform (7), a screw rod section of the transverse moving screw rod (11.1) is rotatably connected with a screw rod bearing seat (11.4), the screw rod bearing seat (11.4) is fixedly connected onto the lower surface of a transverse moving platform (8), guide rods (11.6) are symmetrically arranged on the left side and the right side of the transverse moving screw rod (11.1), the guide rods (11.6) and the transverse moving screw rod (11.1) are parallel to each other, the guide rods (11.6) are fixedly connected onto the upper surface of the fixed platform (7), the guide blocks (11.5) are slidably connected onto the guide rods (11.6), and the guide blocks (11.5) are fixedly connected.
7. The multiple degree of freedom lift platform of claim 6, wherein: and two ends of the guide rod (11.6) are respectively fixedly connected with a limiting block (11.7).
8. The multiple degree of freedom lift platform of claim 6, wherein: the tail end of the polished rod section of the transverse moving screw rod (11.1) extends out of the transverse moving platform (8) and is connected with a transverse moving hand wheel (11.2).
9. The multiple degree of freedom lift platform of claim 1, wherein: the rotating mechanism (12) comprises a worm wheel shaft (12.5) fixed at the center of the upper surface of the transverse moving platform (8), the worm wheel shaft (12.5) is connected with a worm wheel (12.4) in a rotating mode, the upper end of the worm wheel (12.4) is fixedly connected with the lower surface of the rotating platform (9), one side of the worm wheel (12.4) is meshed with a worm (12.1), the threaded section of the worm (12.1) is connected with a worm nut (12.3), the worm nut (12.3) is fixedly connected with the upper surface of the transverse moving platform (8), and one end of the worm (12.1) extends out of the transverse moving platform (8) and is connected with a worm hand wheel.
10. The multiple degree of freedom lift platform of claim 9, wherein: the upper surface of the transverse moving platform (8) is fixedly connected with two rotating guide rails (12.6), the two rotating guide rails (12.6) are symmetrically arranged on the left side and the right side of the worm wheel shaft (2.5), the lower surface of the rotating platform (9) is fixedly connected with two rotating sliding blocks (12.7), and the two rotating sliding blocks (12.7) are respectively correspondingly and slidably connected onto the two rotating guide rails (12.6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801248.3A CN111943082A (en) | 2020-08-11 | 2020-08-11 | Multi freedom lift platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801248.3A CN111943082A (en) | 2020-08-11 | 2020-08-11 | Multi freedom lift platform |
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| CN111943082A true CN111943082A (en) | 2020-11-17 |
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| CN202010801248.3A Pending CN111943082A (en) | 2020-08-11 | 2020-08-11 | Multi freedom lift platform |
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Cited By (6)
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| CN112498732A (en) * | 2020-12-15 | 2021-03-16 | 西安飞机工业（集团）有限责任公司 | Multi-degree-of-freedom floating platform for narrow space assembly and assembly method |
| CN112706809A (en) * | 2020-12-25 | 2021-04-27 | 中车长春轨道客车股份有限公司 | Four-freedom-degree accurate hoisting carrier loader for lower parts of motor train unit |
| CN113757516A (en) * | 2021-09-11 | 2021-12-07 | 广州华商学院 | Space moving platform for three-dimensional shooting of animation |
| CN114538321A (en) * | 2020-11-27 | 2022-05-27 | 中冶宝钢技术服务有限公司 | Material distribution roller replacing equipment and replacing method |
| CN115139260A (en) * | 2022-07-22 | 2022-10-04 | 中国南方电网有限责任公司超高压输电公司昆明局 | Valve cold pump dismouting auxiliary device |
| CN116374916A (en) * | 2023-06-07 | 2023-07-04 | 山东高原油气装备有限公司 | Lifting platform device for inspection and maintenance of blowout preventer of drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114538321A (en) * | 2020-11-27 | 2022-05-27 | 中冶宝钢技术服务有限公司 | Material distribution roller replacing equipment and replacing method |
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| CN113757516A (en) * | 2021-09-11 | 2021-12-07 | 广州华商学院 | Space moving platform for three-dimensional shooting of animation |
| CN115139260A (en) * | 2022-07-22 | 2022-10-04 | 中国南方电网有限责任公司超高压输电公司昆明局 | Valve cold pump dismouting auxiliary device |
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Application publication date: 20201117 |