CN210313411U - Automatic combined type lifting device for processing cylinders of various specifications - Google Patents
Automatic combined type lifting device for processing cylinders of various specifications Download PDFInfo
- Publication number
- CN210313411U CN210313411U CN201921268494.6U CN201921268494U CN210313411U CN 210313411 U CN210313411 U CN 210313411U CN 201921268494 U CN201921268494 U CN 201921268494U CN 210313411 U CN210313411 U CN 210313411U
- Authority
- CN
- China
- Prior art keywords
- lifting
- platform
- processing
- lifting device
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model relates to a jacking equipment field provides an automatic combination formula plays to rise device for processing of multiple specification barrel, include: the lifting units are electrically connected with the numerical control operation box; a plurality of lifting units form a circular ring shape; each lifting unit comprises: the device comprises two groups of supporting units and n layers of construction platforms arranged between the two groups of supporting units, wherein the n layers of construction platforms are sequentially distributed in the vertical direction, and sliding wheels are fixedly installed at the end part of one side, away from a cylinder body to be processed, of each construction platform; each group of support units comprises: the lifting device comprises a base, a hydraulic multi-section lifting upright column and n windlasses; the hydraulic multi-section lifting stand column is arranged on the base, and n windlasses are fixedly arranged at the top end of the hydraulic multi-section lifting stand column; and the end part of the steel wire rope of each winch is fixedly connected with the corresponding construction platform. The utility model discloses can improve the degree of automation of lifting means, liberate a large amount of labours, improvement work efficiency, the saving cost that is showing.
Description
Technical Field
The utility model relates to a jacking equipment field especially relates to an automatic combination formula plays to rise device for processing of multiple specification barrel.
Background
Pipelines are projects which can not be separated from various industries, such as petrochemical industry, nuclear power, ships, electric power, pneumatic transmission, thermal transmission and the like. At present in construction operations such as various ultra-large-scale pipeline welding and detection, can only set up the scaffold platform in the barrel periphery of waiting to process, the staff carries on small-size processing equipment to go on to carry out the processing operation, the time cost of setting up fixed scaffold platform is high, and the barrel specification is different, the scaffold platform is disposable auxiliary platform basically, it will demolish after processing a set of barrel, set up the scaffold platform again as required when processing next set of barrel, work efficiency is low, extravagant labour.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly solve in the construction such as welding of present super-large-scale pipeline and detection, need be waiting to process the peripheral scaffold platform of setting up disposable supplementary usefulness of barrel, work efficiency is low, technical problem such as extravagant labour, an automatic combination formula that is used for multiple specification barrel processing of modular application plays to rise the device is proposed, with the form of combination, it aligns the range to play to rise the multilayer construction platform combination of unit with a plurality of intelligence, form the ring shape construction platform of multilayer, realize welding and construction operations such as detection on this platform, with the degree of automation that improves, a large amount of labours are liberated, and the work efficiency is improved, and the cost is saved.
The utility model provides an automatic combination formula plays to rise device for processing of multiple specification barrel, include: the lifting units are electrically connected with the numerical control operation box;
a plurality of lifting units form a circular ring shape;
each lifting unit comprises: the device comprises two groups of supporting units and n layers of construction platforms arranged between the two groups of supporting units, wherein the n layers of construction platforms are sequentially distributed in the vertical direction, and a sliding wheel (11) is fixedly arranged at the end part of one side, away from a cylinder body to be processed, of each construction platform; wherein n is an integer greater than or equal to 1;
each group of support units comprises: the lifting device comprises a base (1), a hydraulic multi-section lifting upright post (3) and n windlasses; the hydraulic multi-section lifting stand column (3) is arranged on the base (1), and n windlasses are fixedly arranged at the top end of the hydraulic multi-section lifting stand column (3); the end part of a steel wire rope of each winch is fixedly connected with a corresponding construction platform; a sliding rail (12) in the vertical direction is arranged on the hydraulic multi-section lifting upright post (3), and the sliding rail (12) is matched with a sliding wheel (11) of the construction platform;
the hydraulic multi-section lifting upright post (3) and the winch are respectively and electrically connected with the numerical control operation box.
Preferably, the number of the n layers of construction platforms is two.
Preferably, the front end of the winch is provided with a paying-off shaft (8), and the axis of the paying-off shaft (8) is parallel to the central line of a hoisting steel wire rope of the winch.
Preferably, an encoder (9) is installed on the side face of the pay-off shaft (8), and the encoder (9) is electrically connected with the numerical control operation box.
Preferably, a guardrail (10) is installed at the edge of one side of the construction platform, which is far away from the cylinder body to be constructed.
Preferably, the device also comprises a large detachable crack plate (13);
the upper surface of the large crack clamping plate (13) is provided with tooth surfaces which are matched with the tooth surfaces arranged on the lower surfaces of the two ends of the construction platform.
Preferably, the bottom surface still is equipped with slip track groove (14) under the construction platform, slip track groove (14) slidable mounting has telescopic platform (15).
Preferably, an air cylinder (16) is fixedly installed on the lower bottom surface of the construction platform, the working end of the air cylinder (16) is connected with a telescopic platform (15), and a rubber wheel (17) is installed at the front end of the telescopic platform (15); one side of the telescopic platform is provided with a small crack plate (18) through a hinge; the air cylinder (16) is connected with an air source through an air pipe, and the air source is electrically connected with the numerical control operation box.
Preferably, a displacement sensor is installed on the air cylinder (16), and the displacement sensor is electrically connected with the numerical control operation box.
Preferably, the bottom of the base (1) is vertically provided with a sliding caster (2) in a sliding manner.
The utility model provides a pair of automatic combination formula plays to rise device for processing of multiple specification barrel, the structure is ingenious, and is rationally distributed, when carrying out construction operations such as welding and detection to the large-scale barrel of different specifications to the form of combination, plays to rise the lift platform combination alignment range on the unit with a plurality of intelligence, forms double-deck ring shape work platform, then can carry out work such as welding and the detection of large-scale cylinder work piece on this platform. The utility model discloses degree of automation is high, the flexibility is high, work efficiency is high, and the work piece size range of being suitable for is big, has improved work efficiency when liberating a large amount of labours, practices thrift the cost, has solved the problem that prior art need build disposable scaffold, greatly satisfies customer's demand. The utility model discloses applicable peripheral supplementary processing operation to the barrel at large-scale barrel can be applied to various trades such as boats and ships, aerospace, petrochemical, metallurgy, nuclear power, steel construction, and its market prospect is very wide.
Drawings
FIG. 1 is a front view of an automatic combined type lifting device for processing cylinders with various specifications;
FIG. 2 is a left side view of the automatic combined lifting device for processing various specification cylinders;
FIG. 3 is a top view of the automatic combined lifting device for processing various cylinders;
FIG. 4 is a perspective view of the automatic combined lifting device for processing various cylinders;
FIG. 5 is a perspective view of the utility model after lifting for the automated combined lifting device for processing various specifications of cylinders;
FIG. 6 is a perspective view of the automatic combined lifting device for processing various cylinders in different specifications when the device is applied outside the cylinder in a combined manner;
FIG. 7 is a perspective view of the automatic combined lifting device for processing various-specification cylinders after lifting when the automatic combined lifting device is used outside the cylinder in a combined manner;
fig. 8 is a top view of the utility model used for the automatic combined type of multiple specification barrel processing plays to rise the device and plays to rise when the barrel outside combination formula is used.
Reference numerals: 1-base, 2-sliding caster, 3-hydraulic multi-section lifting upright post, 4-first winch, 5-second winch, 6-first layer construction platform, 7-second layer construction platform, 8-paying off shaft, 9-encoder, 10-guardrail, 11-sliding wheel, 12-sliding track, 13-large crack plate, 14-sliding track groove, 15-telescopic platform, 16-cylinder, 17-rubber wheel, 18-small crack plate, 19-first layer large circular platform and 20-second layer large circular platform.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.
FIG. 1 is a front view of an automatic combined type lifting device for processing cylinders with various specifications; FIG. 2 is a left side view of the automatic combined lifting device for processing various specification cylinders; FIG. 3 is a top view of the automatic combined lifting device for processing various cylinders; FIG. 4 is a perspective view of the automatic combined lifting device for processing various cylinders; fig. 5 is a perspective view of the utility model after the automatic combined type lifting device for processing various specifications of cylinders is lifted. As shown in fig. 1-5, the embodiment of the utility model provides an automatic combination formula plays to rise device for processing of multiple specification barrel, include: the lifting units are electrically connected with the numerical control operation box; and a circular ring is formed among the plurality of lifting units. In this embodiment, the number of the hoisting units is, for example, eight groups, and eight groups of hoisting units enclose a circular ring shape therebetween.
Each lifting unit comprises: two sets of support unit and the n layer construction platform of setting between two sets of support units, distribute in proper order in vertical direction between the n layer construction platform, the tip fixed mounting movable pulley 11 of waiting to process barrel one side is kept away from to the construction platform. And the two groups of supporting units are positioned on two sides of the n layers of construction platforms. Wherein n is an integer of 1 or more. The number of layers of the construction platform can be specifically adjusted according to the operation environment, in the embodiment, the number of the n layers of construction platforms is two, and the first layer of construction platform 6 and the second layer of construction platform 7 are fan-shaped (installed on the periphery and the inner periphery of the cylinder body, and the arc directions are opposite). A guardrail 10 is installed at the edge of one side of the construction platform, which is far away from the cylinder body to be constructed.
Each group of support units comprises: the lifting device comprises a base 1, a hydraulic multi-section lifting upright column 3 and n windlasses; the base is characterized in that the bottom of the base 1 is provided with a sliding caster 2 through a hydraulic oil cylinder in the vertical direction, and the sliding caster 2 can extend out or retract through the hydraulic oil cylinder. The hydraulic multi-section lifting upright post 3 is arranged on the base 1, n hoisters are fixedly arranged at the top end of the hydraulic multi-section lifting upright post 3, and the end part of a steel wire rope of each hoist is fixedly connected with a corresponding construction platform; the number of winches on each base 1 is the same as the number of construction platforms, in this embodiment, the first winch 4 and the second winch 5 are both electric winches. The end part of the steel wire rope of the first winch 4 is fixedly connected with a first layer construction platform 6, and the steel wire rope of the second winch 5 is fixedly connected with a second layer construction platform 7. And a paying-off shaft 8 is arranged at the front end of each winch, and the axis of the paying-off shaft 8 is parallel to the central line of a lifting steel wire rope of the winch. And an encoder 9 is arranged on the side surface of the pay-off shaft 8, and the encoder 9 is electrically connected with the numerical control operation box. The length of the steel wire rope can be controlled by feeding back data to the numerical control operation box through the encoder 9.
Every layer of construction platform both ends all are provided with rectangular hole, and construction platform both sides lower surface is provided with the tooth flank, and equipment still includes the big crack board 13 of detachable, also is provided with rectangular hole on the big crack board 13, and big crack board 13 upper surface sets up the tooth flank, can with the tooth flank cooperation of construction platform lower surface to adjustable cooperation position. The detachable large crack plate 13 is used for fixedly connecting the same-layer construction platforms of two adjacent hoisting units and filling a gap between the two same-layer construction platforms, so that the same-layer construction platforms of the hoisting units are mutually connected and fixed to form a large circular platform.
The hydraulic multi-section lifting upright post 3 is provided with a sliding rail 12 in the vertical direction, and the sliding rail 12 is matched with a sliding wheel 11 of the construction platform. The electric control part of the hydraulic multi-section lifting upright post 3 and the electric control part of the winch are electrically connected with the numerical control operation box.
The bottom surface still is equipped with slip track groove 14 under the construction platform, slip track groove 14 slidable mounting has telescopic platform 15. An air cylinder 16 is fixedly arranged on the lower bottom surface of the construction platform, the working end of the air cylinder 16 is connected with a telescopic platform 15, and a rubber wheel 17 is arranged at the front end of the telescopic platform 15; the air cylinder 16 is connected with an air source through an air pipe, and an electric control part of the air source is electrically connected with the numerical control operation box. One side of the telescopic platform is provided with a small crack plate 18 through a hinge, and after the telescopic platform 15 extends out, the small crack plate 17 is turned over and can be put on the edge of the same layer telescopic platform 15 of the adjacent lifting unit for filling the gap between the telescopic platforms 15. And a displacement sensor is arranged on the air cylinder 16 and is electrically connected with the numerical control operation box, and the displacement sensor and the air cylinder 16 are synchronous in stretching.
FIG. 6 is a perspective view of the automatic combined lifting device for processing various cylinders in different specifications when the device is applied outside the cylinder in a combined manner; FIG. 7 is a perspective view of the automatic combined lifting device for processing various-specification cylinders after lifting when the automatic combined lifting device is used outside the cylinder in a combined manner; fig. 8 is a top view of the utility model used for the automatic combined type of multiple specification barrel processing plays to rise the device and plays to rise when the barrel outside combination formula is used. Referring to fig. 6-8, when the automatic combined lifting device for processing various cylinder bodies with different specifications works, the air cylinder 16 pushes the telescopic platform 15 and the rubber wheel 17 thereon, so that the rubber wheel 17 is pushed against the outer wall or the inner wall of the cylinder body to assist the lifting action of the platform, which is equivalent to the limit of lifting and sliding. Lifting operation flow: through the same-layer construction platform of a plurality of (round) hoisting units of big crack board 13 fixed connection, with all with layer construction platform fixed connection become a big ring platform after, the cylinder 16 of every platform below promotes the flexible platform 15 of every construction platform, push up the rubber tyer 17 of every flexible platform 15 front end at barrel outer wall or inner wall, round ring shape platform evenly stretches out rubber tyer 17 like this and pushes up on the barrel wall, restart all hoist engines that hoist the unit and draw whole ring shape platform whole and carry out the lift action. The lifting limiting support is provided for the whole circular ring platform.
The utility model is used for the theory of operation that the automatic combination formula of multiple specification barrel processing rises to rise the device: the sliding trundles 2 under the base 1 are extended out through a hydraulic principle, the plurality of groups of lifting units are moved to the periphery (or the inner periphery) of the cylinder body and are distributed circumferentially, so that platforms on the same layer of all the lifting units are surrounded into a ring shape, the sliding trundles 2 under the base 1 are withdrawn, and the lifting units of the intelligent machine are fixed at the ground positions. The adjacent first layer construction platforms 6 of the hoisting units are fixed by the large crack plates 13 through tooth surface matching and bolts, and the first layer construction platforms 6 of all the hoisting units are fixedly connected into a first layer large circular ring platform 19 through the large crack plates 13. The hydraulic multi-section lifting upright post 3 is started, the hydraulic multi-section lifting upright post 3 is lifted to the same height as the barrel and then is stopped, the first winch 4 and the second winch 5 are started to discharge steel wire ropes when the hydraulic multi-section lifting upright post 3 is lifted, namely, the hydraulic multi-section lifting upright post 3 is lifted, and the first layer construction platform 6 and the second layer construction platform 7 (namely, the first layer large circular platform 19) are in the initial position static state and are not lifted. Starting the air cylinders 16 below the first-layer construction platform 6 of all the intelligent machine hoisting units, enabling the working ends of the air cylinders 16 to extend out to push the telescopic platform 15 to slide in the sliding track groove 14 below the first-layer construction platform 6 and move forwards, driving the rubber wheels 17 at the front end of the telescopic platform 15 to be pressed against the outer wall (or the inner wall) of the cylinder body, and keeping the same air pressure in all the air cylinders 16 to press the wall surface of the cylinder body. All the first winches 4 are started to recover the steel wire ropes, all the first-layer large circular ring platforms 19 formed by the first-layer construction platforms 6 and the large crack plates 13 are pulled simultaneously, the numerical control operation box is operated, the length of the steel wire ropes wound and unwound by the first winches 4 can be controlled through the encoders 9, the height of the first-layer large circular ring platforms 19 can be controlled, and the first winches 4 stop after being lifted to required positions. And turning open a small crack plate 18 which is arranged on one side of the telescopic platform 15 and is installed by a hinge, and putting the small crack plate on the edge of the telescopic platform 15 of the adjacent lifting unit to form an inner ring (or outer ring) platform of the first layer of large ring platform 19, so that the first layer of large ring platform 19 is completely built. And according to the lifting process of the first layer of large circular platform 19, a second layer of large circular platform 20 is built and lifted. When the platform height is adjusted again, the small crack plate 18 needs to be turned back, and the first winch 4 and the second winch 5 are started to adjust the height of the first layer large circular platform 19 and the second layer large circular platform 20.
When the construction platform falls back, the first winch 4 and the second winch 5 are started to discharge steel wire ropes, the second layer large circular ring platform 20 and the first layer large circular ring platform 19 are sequentially lowered to the lowest end, the hydraulic multi-section lifting upright posts 3 are lowered, the steel wire ropes of the first winch 4 and the second winch 5 are recovered, the construction platform is kept at the lowest position, and after all the construction platforms fall back, the large crack plate 13 is detached.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an automatic combination formula plays to rise device for processing of multiple specification barrel which characterized in that includes: the lifting units are electrically connected with the numerical control operation box;
a plurality of lifting units form a circular ring shape;
each lifting unit comprises: the device comprises two groups of supporting units and n layers of construction platforms arranged between the two groups of supporting units, wherein the n layers of construction platforms are sequentially distributed in the vertical direction, and a sliding wheel (11) is fixedly arranged at the end part of one side, away from a cylinder body to be processed, of each construction platform; wherein n is an integer greater than or equal to 1;
each group of support units comprises: the lifting device comprises a base (1), a hydraulic multi-section lifting upright post (3) and n windlasses; the hydraulic multi-section lifting stand column (3) is arranged on the base (1), and n windlasses are fixedly arranged at the top end of the hydraulic multi-section lifting stand column (3); the end part of a steel wire rope of each winch is fixedly connected with a corresponding construction platform; a sliding rail (12) in the vertical direction is arranged on the hydraulic multi-section lifting upright post (3), and the sliding rail (12) is matched with a sliding wheel (11) of the construction platform;
the hydraulic multi-section lifting upright post (3) and the winch are respectively and electrically connected with the numerical control operation box.
2. The automated combined lifting device for processing barrels with various specifications as recited in claim 1, wherein the number of the n layers of construction platforms is two.
3. The automatic combined lifting device for processing the barrels with various specifications as claimed in claim 1 or 2, wherein a paying-off shaft (8) is mounted at the front end of the winch, and the axis of the paying-off shaft (8) is parallel to the central line of a lifting steel wire rope of the winch.
4. The automatic combined lifting device for processing the cylinders with various specifications as claimed in claim 3, wherein an encoder (9) is installed on the side surface of the pay-off shaft (8), and the encoder (9) is electrically connected with a numerical control operation box.
5. The automated combined lifting device for processing barrels with various specifications as claimed in claim 1 or 2, wherein a guardrail (10) is installed at one side edge of the construction platform, which is far away from the barrel to be constructed.
6. The automated combined lifting device for processing barrels with various specifications as recited in claim 1 or 2, further comprising a detachable large crack plate (13);
the upper surface of the large crack clamping plate (13) is provided with tooth surfaces which are matched with the tooth surfaces arranged on the lower surfaces of the two ends of the construction platform.
7. The automatic combined lifting device for processing the cylinders with various specifications as claimed in claim 1 or 2, wherein a sliding rail groove (14) is further formed in the lower bottom surface of the construction platform, and a telescopic platform (15) is slidably mounted in the sliding rail groove (14).
8. The automatic combined lifting device for processing the cylinders with various specifications as claimed in claim 7, wherein an air cylinder (16) is fixedly mounted on the lower bottom surface of the construction platform, the working end of the air cylinder (16) is connected with a telescopic platform (15), and a rubber wheel (17) is mounted at the front end of the telescopic platform (15); one side of the telescopic platform is provided with a small crack plate (18) through a hinge; the air cylinder (16) is connected with an air source through an air pipe, and the air source is electrically connected with the numerical control operation box.
9. The automatic combined lifting device for processing the cylinders with various specifications as claimed in claim 8, wherein a displacement sensor is mounted on the air cylinder (16), and the displacement sensor is electrically connected with a numerical control operation box.
10. The automatic combined lifting device for processing barrels with various specifications as claimed in claim 1 or 2, wherein the base (1) is vertically provided with a sliding caster (2) at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268494.6U CN210313411U (en) | 2019-08-07 | 2019-08-07 | Automatic combined type lifting device for processing cylinders of various specifications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268494.6U CN210313411U (en) | 2019-08-07 | 2019-08-07 | Automatic combined type lifting device for processing cylinders of various specifications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210313411U true CN210313411U (en) | 2020-04-14 |
Family
ID=70128631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921268494.6U Active CN210313411U (en) | 2019-08-07 | 2019-08-07 | Automatic combined type lifting device for processing cylinders of various specifications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210313411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271998A (en) * | 2019-08-07 | 2019-09-24 | 油特机械工具（大连）有限公司 | Automation combined type jack up unit for the processing of plurality of specifications cylinder |
-
2019
- 2019-08-07 CN CN201921268494.6U patent/CN210313411U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271998A (en) * | 2019-08-07 | 2019-09-24 | 油特机械工具（大连）有限公司 | Automation combined type jack up unit for the processing of plurality of specifications cylinder |
| CN110271998B (en) * | 2019-08-07 | 2024-03-12 | 油特机械工具（大连）有限公司 | Automatic combined lifting device for processing cylinders with various specifications |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103879789B (en) | A kind of Novel palletizer | |
| CN110890717B (en) | Method for releasing and laying cable from cable reel | |
| CN103111778B (en) | Sucker hoisting device and plate welding logistics conveying system | |
| CN110271998B (en) | Automatic combined lifting device for processing cylinders with various specifications | |
| CN210313411U (en) | Automatic combined type lifting device for processing cylinders of various specifications | |
| CN205381913U (en) | Material lifting platform of construction machine | |
| CN202115690U (en) | Support jacking device with hydraulic travelling wheels | |
| CN107758579A (en) | A kind of Multifunctional aloft-work platform | |
| CN203845570U (en) | Cable shaft paying-off support | |
| CN111532992A (en) | Steel sheet overhead hoist for construction | |
| CN104326202B (en) | A kind of tiered warehouse facility | |
| CN216807824U (en) | Pipeline mobile device for hydraulic engineering | |
| CN214242819U (en) | Copper coil pipe conveying device | |
| CN202212929U (en) | Dismantling device for axis pin of veneer reeling machine | |
| CN104003242A (en) | Cable reel paying off device | |
| CN211496658U (en) | Pipe stacking device | |
| CN109823992B (en) | Vertical assembling device and method for main insulation of transformer coil | |
| CN111017739A (en) | Hoisting and transporting equipment capable of preventing goods from swinging | |
| CN207645285U (en) | A kind of transfer platform for carrying up and down | |
| CN105858241B (en) | A kind of Automatic Code turbine | |
| CN205838455U (en) | Air compressor transport erecting device | |
| CN205442447U (en) | Chemical production loading attachment | |
| CN210286490U (en) | Hoisting machinery base convenient to move | |
| CN220502572U (en) | Assembled high-voltage motor transportation device | |
| CN216235739U (en) | A hoisting accessory for civil engineering main equipment transportation usefulness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |