CN112607592A - Movable type foldable hoisting device - Google Patents
Movable type foldable hoisting device Download PDFInfo
- Publication number
- CN112607592A CN112607592A CN202011357003.2A CN202011357003A CN112607592A CN 112607592 A CN112607592 A CN 112607592A CN 202011357003 A CN202011357003 A CN 202011357003A CN 112607592 A CN112607592 A CN 112607592A
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- frame
- guide wheel
- bracket
- sides
- fixedly connected
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- 230000001681 protective effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a movable foldable hoisting device, and belongs to the technical field of hoisting equipment. The movable foldable hoisting device comprises a lower bracket, an upper bracket, a pedal plate, a plug pin, a winch and a guide wheel; the lower bracket is rotationally connected with the pedal through a pin shaft; the upper bracket and the lower bracket rotate through a vertical cylinder fixed shaft and are inserted into the plug pin for limiting; the guide wheel is rotatably connected to the top end of the upper support, the winch is fixedly installed on the lower support, and the cable penetrates through the guide wheel and is wound on the winch. The movable foldable lifting device is applied to lifting and recovery of small and medium-sized instruments and equipment in environments such as wharfs, ships and the like, can realize quick positioning and withdrawing of the lifting device, can realize the working state through the unfolding function to provide a working platform standing under a lifting point for workers, is convenient for the arrangement, maintenance and recovery of the instruments and equipment, and can realize non-working state saving of working space occupation through the folding function.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a movable foldable hoisting device.
Background
In application scenes such as wharfs, ships and the like, instruments and equipment are often required to be hung and placed in a water area outside the traditional hanging and placing equipment, the traditional hanging and placing equipment is usually fixed in an installation mode, the traditional hanging and placing equipment is disassembled and assembled by large-scale lifting and adjusting equipment, and the traditional hanging and placing equipment cannot be conveniently and quickly placed in place and removed, and still occupies a large space in a non-working state because the traditional hanging and placing equipment does not have the functions of unfolding and folding; traditional equipment of putting of hanging does not possess the work platform that can supply the personnel to stand in the hoisting point below, need rely on tools such as hook will hang and put the hawser and draw the recovery that realizes instrument equipment to the inboard hook, and recovery in-process instrument equipment is because of rocking the collision damage easily, has certain construction safety problem to operating personnel simultaneously.
Disclosure of Invention
The invention aims to provide a movable type foldable lifting device, which solves the problems that the traditional lifting equipment is inconvenient to mount and dismount in a fixed mode, large in occupied working space and free of an operating platform for operators below a lifting point.
In order to solve the technical problem, the invention provides a movable foldable lifting device, which comprises a lower bracket, an upper bracket, a pedal plate, a plug pin, a winch and a guide wheel, wherein the lower bracket is fixedly connected with the upper bracket;
the lower bracket is rotationally connected with the pedal through a pin shaft;
the upper bracket and the lower bracket rotate through a vertical cylinder fixed shaft and are inserted into the plug pin for limiting;
the guide wheel is rotationally connected to the top end of the upper support, the winch is fixedly arranged on the lower support, and the cable passes through the guide wheel and is wound on the winch;
the upper bracket is connected with the upper bracket through a rope tightening mechanism.
Optionally, the lower bracket mainly comprises a lower bracket frame and two vertical cylinders, the two vertical cylinders are vertically and fixedly connected to two sides of the lower bracket frame, and the lower bracket frame is fixedly connected with the corners of the vertical cylinders through reinforcing plates.
Optionally, a plurality of idler wheels are installed at the bottom of the lower support, side plates are connected to two sides of the lower support, and lower support lifting lugs are fixedly connected to two sides of the bottom frame of the lower support frame respectively.
Optionally, a foot pedal pin shaft is fixedly connected to the bottom frame of the lower support frame and is rotatably connected to a pin hole of the foot pedal.
Optionally, the upper bracket mainly comprises an upper bracket frame and a guide wheel seat, the guide wheel seat is fixedly mounted at the top end of the upper bracket frame, and the middle of the guide wheel seat is rotatably connected with the guide wheel through a pin shaft.
Optionally, the pin shaft sleeves are arranged on two sides of the upper support frame in a penetrating mode, and an upper support lifting lug is fixedly connected to one side of the upper support frame.
Optionally, the pedal mainly comprises a bottom plate and a bottom plate frame, and the tail end of the bottom plate is provided with a plurality of pin shaft seats which are rotatably connected with the lower support through the pin shaft seats.
Optionally, limiting plates are fixedly connected to two sides of the bottom plate frame.
Optionally, a U-shaped groove is formed in the bottom plate, and bottom plate lifting lugs are fixedly connected to two sides of the U-shaped groove; and fence seats are fixedly arranged at four corners of the bottom plate and used for installing protective fences.
Optionally, the support bases are respectively installed on two sides of the lower support.
The invention provides a movable type foldable hoisting device which comprises a lower bracket, an upper bracket, a pedal plate, a plug pin, a winch and a guide wheel, wherein the lower bracket is fixedly connected with the upper bracket; the lower bracket is rotationally connected with the pedal through a pin shaft; the upper bracket and the lower bracket rotate through a vertical cylinder fixed shaft and are inserted into the plug pin for limiting; the guide wheel is rotationally connected to the top end of the upper support, the winch is fixedly arranged on the lower support, and the cable passes through the guide wheel and is wound on the winch; the upper bracket is connected with the upper bracket through a rope tightening mechanism. The movable foldable lifting device is applied to lifting and recovery of small and medium-sized instruments and equipment in environments such as wharfs, ships and the like, can realize quick positioning and withdrawing of the lifting device, can realize the working state through the unfolding function to provide a working platform standing under a lifting point for workers, is convenient for the arrangement, maintenance and recovery of the instruments and equipment, and can realize non-working state saving of working space occupation through the folding function.
Drawings
Fig. 1 is a schematic structural view of a mobile expandable hanging device provided by the invention in an expanded state;
fig. 2 is a schematic structural view of a mobile foldable hanging device according to the present invention in a folded state;
fig. 3 is a schematic structural view of a lower frame of a mobile foldable suspension device provided by the invention;
FIG. 4 is a schematic structural diagram of an upper frame of a mobile foldable lifting device provided by the present invention;
fig. 5 is a schematic structural diagram of a foot pedal of a mobile foldable lifting device provided by the invention.
Detailed Description
The following describes a mobile foldable hanging device according to the present invention in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
The invention provides a movable type foldable lifting device, which comprises a lower bracket 1, an upper bracket 2, a pedal 3, an insertion pin 4, a winch 5 and a guide wheel 7, wherein the lower bracket 1 is arranged on the upper bracket 2; the lower bracket 1 is rotatably connected with the pedal plate 3 through a pin shaft; the upper bracket 2 and the lower bracket 1 rotate through a vertical cylinder fixed shaft, and are inserted into the plug pin 4 for limiting; the guide wheel 7 is rotatably connected to the top end of the upper support 2, the winch 5 is fixedly arranged on the lower support 1, and a cable passes through the guide wheel 7 and is wound on the winch 5; the upper bracket 2 is connected with the upper bracket 2 through a rope tightening mechanism 6, the rope tightening mechanism 6 consists of a steel wire rope and a rope tightening device, and the length of the steel wire rope can be extended and retracted through the rope tightening device; support base 9 is installed respectively to lower carriage 1 both sides, support base 9 can provide moment for this device, and the upset when preventing that the device from hanging puts heavier instrument and equipment.
Specifically, as shown in fig. 3, the lower bracket 1 mainly comprises a lower bracket frame 1.1 and two vertical cylinders 1.2, the two vertical cylinders 1.2 are vertically and fixedly connected to two sides of the lower bracket frame 1.1, and the bent corners of the lower bracket frame 1.1 and the vertical cylinders 1.2 are fixedly and fixedly connected through reinforcing plates 1.3; the bottom of the lower support 1 is provided with a plurality of rollers 1.4, two sides of the lower support are connected with side plates 1.6, and two sides of the bottom frame of the lower support frame 1.1 are respectively and fixedly connected with lower support lifting lugs 1.7; and a bottom frame of the lower support frame 1.1 is fixedly connected with a pedal pin shaft 1.5 which is rotatably connected with a pin hole of the pedal 3.
Specifically, as shown in fig. 4, the upper bracket 2 mainly comprises an upper bracket frame 2.1 and a guide wheel seat 2.3, wherein the guide wheel seat 2.3 is fixedly installed at the top end of the upper bracket frame 2.1, and the middle of the guide wheel seat is rotatably connected with the guide wheel 7 through a pin shaft; the two sides of the upper support frame 2.1 are both provided with a pin shaft sleeve 2.2 in a penetrating way, and one side of the upper support frame is fixedly connected with an upper support lifting lug 2.4.
Specifically, as shown in fig. 5, the pedal 3 mainly comprises a bottom plate 3.1 and a bottom plate frame 3.3, wherein the end of the bottom plate 3.1 is provided with a plurality of pin shaft seats 3.2, and the pin shaft seats 3.2 are rotatably connected with the lower bracket 1; limiting plates 3.4 are fixedly connected to two sides of the bottom plate frame 3.3; a U-shaped groove is formed in the bottom plate 3.1, and bottom plate lifting lugs 3.5 are fixedly connected to two sides of the U-shaped groove; fence seats 3.6 are fixedly arranged at four corners of the bottom plate 3.1 and used for installing protective fences 8.
Specifically, with continuing reference to fig. 1 and 2, when the equipment needs to be hoisted, the whole device is moved to the working position by the roller 1.4 at the bottom of the lower bracket 1; by loosening the rope tightening mechanism 6 between the lower bracket 1 and the pedal plate 3, the pedal plate 3 rotates and is lowered around the pedal plate pin shaft 1.5 of the lower bracket 1 by the self gravity through the pin shaft seat 3.2, and when the pedal plate 3 is lowered to the horizontal position, the limiting plate 3.4 limits the position of the pedal plate to prevent the pedal plate from continuously turning over; then the pin shaft sleeve 2.2 at one side of the upper bracket 2 is fixed to rotate around the upright tube 1.2 at one side of the lower bracket 1, and when the pin shaft sleeve 2.2 at the other side is aligned with the axis at two sides of the upright tube 1.2 at the other side, the insertion and extraction pin 4 is inserted between the pin shaft sleeve 2.2 and the upright tube 1.2 to limit the relative position of the lower bracket 1 and the upper bracket 2; then the lower bracket 1 and the lifting lugs of the upper bracket 2 are tensioned through the rope tensioning mechanism 6, so that the structural stability is improved, and the protective fence 8 is arranged on the fence seat 3.6 to play a role of protection; finally, a cable of the winch 5 is hung on the hook through the guide wheel 7, a worker hangs the instrument equipment to be hung on the hook through the pedal plate 3 as a working platform, and the winch 5 drives the roller to rotate through the motor to release the cable, so that the instrument equipment is placed.
When the instrument equipment needs to be recovered, the winch 5 drives the roller to rotate through the motor to tighten the cable, and the instrument equipment is recovered. The staff takes back the equipment needing to be recovered on the hook by taking the pedal 3 as a working platform; then the protective fence 8 is detached from the fence seat 3.6, and the rope tightening mechanism 6 between the lifting lugs of the lower bracket 1 and the upper bracket 2 is loosened; the plug pin 4 is pulled out from between the pin shaft sleeve 2.2 of the upper bracket 2 and the vertical cylinder 1.2 of the lower bracket 1, the upper bracket 2 is rotated inwards by 90 degrees, the lower bracket 1 and the lifting lug of the upper bracket 2 are tensioned through the rope tensioning mechanism 6, the pedal plate 3 is turned inwards by 90 degrees, and the lower bracket 1 and the lifting lug of the pedal plate 3 are tensioned through the rope tensioning mechanism 6; the device as a whole is then moved to the storage position by means of said rollers 4 at the bottom of said lower carriage 1. When heavy instruments and equipment need to be hoisted and placed, the self weight of the device is not enough to bear the hoisting tension of the instruments and equipment, the two bases 9 can be fixedly installed at the positions of wharfs, ships and the like, the side plates 1.6 can penetrate through the lower parts of the upper panels of the two bases 9, the gap between the side plates 1.6 and the upper panels of the bases 9 is small, and the bases 9 can provide torque for the device to prevent the device from overturning when the heavy instruments and equipment are hoisted and placed.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. A movable foldable hoisting device is characterized by comprising a lower bracket (1), an upper bracket (2), a pedal (3), a plug pin (4), a winch (5) and a guide wheel (7);
the lower bracket (1) is rotatably connected with the pedal (3) through a pin shaft;
the upper support (2) and the lower support (1) rotate through a vertical cylinder fixed shaft and are inserted into the plug pin (4) for limiting;
the guide wheel (7) is rotatably connected to the top end of the upper support (2), the winch (5) is fixedly arranged on the lower support (1), and a cable passes through the guide wheel (7) and is wound on the winch (5);
the upper bracket (2) is connected with the upper bracket (2) through a rope tightening mechanism (6).
2. The mobile foldable lifting device according to claim 1, wherein the lower support (1) mainly comprises a lower support frame (1.1) and two vertical cylinders (1.2), the two vertical cylinders (1.2) are vertically and fixedly connected to two sides of the lower support frame (1.1), and the folding corners of the lower support frame (1.1) and the vertical cylinders (1.2) are fixedly connected through reinforcing plates (1.3).
3. The mobile foldable lifting device as claimed in claim 2, wherein the lower frame (1) has a plurality of rollers (1.4) mounted at the bottom, side plates (1.6) connected to both sides, and lower frame lifting lugs (1.7) fixedly connected to both sides of the bottom frame of the lower frame (1.1).
4. The mobile foldable crane as claimed in claim 2, wherein the bottom frame of the lower frame (1.1) is fixedly connected with a foot pedal pin (1.5) which is rotatably connected with a pin hole of the foot pedal (3).
5. The mobile expandable lifting device as claimed in claim 1, wherein the upper frame (2) is mainly composed of an upper frame (2.1) and a guide wheel seat (2.3), the guide wheel seat (2.3) is fixedly installed at the top end of the upper frame (2.1), and the middle of the guide wheel seat is rotatably connected with the guide wheel (7) through a pin shaft.
6. The mobile expandable and contractible lifting device as recited in claim 5, wherein the upper frame (2.1) is provided with a pin shaft sleeve (2.2) at both sides and is fixedly connected with an upper frame lifting lug (2.4) at one side.
7. The mobile foldable lifting device as claimed in claim 1, wherein the foot pedal (3) is mainly composed of a bottom plate (3.1) and a bottom plate frame (3.3), the bottom plate (3.1) is provided with a plurality of pin shaft seats (3.2) at the end, and is rotatably connected with the lower bracket (1) through the pin shaft seats (3.2).
8. The mobile expandable lifting device according to claim 7, wherein the floor frame (3.3) is fixedly connected with limiting plates (3.4) at both sides.
9. The mobile expandable and contractible hanging device as recited in claim 7, characterized in that the bottom plate (3.1) is provided with a U-shaped groove, and bottom plate lifting lugs (3.5) are fixedly connected with both sides of the U-shaped groove; fence seats (3.6) are fixedly arranged at four corners of the bottom plate (3.1) and used for installing protective fences (8).
10. The mobile expandable and contractible lifting device as recited in claim 1, wherein the two sides of the lower frame (1) are respectively provided with a supporting base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011357003.2A CN112607592B (en) | 2020-11-27 | 2020-11-27 | Portable can open and shut and hang device of putting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011357003.2A CN112607592B (en) | 2020-11-27 | 2020-11-27 | Portable can open and shut and hang device of putting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112607592A true CN112607592A (en) | 2021-04-06 |
| CN112607592B CN112607592B (en) | 2024-04-19 |
Family
ID=75225414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011357003.2A Active CN112607592B (en) | 2020-11-27 | 2020-11-27 | Portable can open and shut and hang device of putting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112607592B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB411564A (en) * | 1932-12-29 | 1934-06-14 | Demag Ag | Improvements relating to cranes |
| GB614124A (en) * | 1945-12-22 | 1948-12-09 | Letourneau Inc | Improvements relating to self-propelled cranes |
| IT8348953A0 (en) * | 1982-09-11 | 1983-09-09 | Access Eng Ltd | VERTICALLY MOBILE WORK PLATFORM |
| CN2032611U (en) * | 1987-10-15 | 1989-02-15 | 中国建筑科学研究院建筑机械化研究所 | Folding type fast erecting tower crane |
| CN1117019A (en) * | 1994-12-28 | 1996-02-21 | 王绍清 | Universal miniature dual-purpose hanging and lifting crane |
| KR200271780Y1 (en) * | 2002-01-18 | 2002-04-10 | 동남정공(주) | Fold And Unfold Mobile Working Platform |
| TW552236B (en) * | 2000-09-12 | 2003-09-11 | Gen Electric | Light weight work platform with crane |
| CN2808859Y (en) * | 2005-07-01 | 2006-08-23 | 四川长江工程起重机有限责任公司 | Revolving table structure for folding-arm type lorry loading crane |
| CN202609823U (en) * | 2012-03-31 | 2012-12-19 | 西安天伟电子系统工程有限公司 | Manual fast-folding lifting mechanism |
| CN204897283U (en) * | 2015-07-22 | 2015-12-23 | 王新宝 | Small -size crane is used to fitment |
| CN205892526U (en) * | 2016-08-22 | 2017-01-18 | 中国化学工程第三建设有限公司 | Hoist and mount platform of spinning corridor equipment |
| CN106744392A (en) * | 2017-03-30 | 2017-05-31 | 刘畅 | One kind building boom hoisting |
| CN109353944A (en) * | 2018-12-07 | 2019-02-19 | 毛雨彤 | Overturning type foot pedal |
| CN209601921U (en) * | 2019-02-21 | 2019-11-08 | 重庆前卫科技集团有限公司 | Anti-canting hangs tool |
| CN210467506U (en) * | 2019-10-29 | 2020-05-05 | 海鹰企业集团有限责任公司 | Universal mounting structure for multi-model transformers |
-
2020
- 2020-11-27 CN CN202011357003.2A patent/CN112607592B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB411564A (en) * | 1932-12-29 | 1934-06-14 | Demag Ag | Improvements relating to cranes |
| GB614124A (en) * | 1945-12-22 | 1948-12-09 | Letourneau Inc | Improvements relating to self-propelled cranes |
| IT8348953A0 (en) * | 1982-09-11 | 1983-09-09 | Access Eng Ltd | VERTICALLY MOBILE WORK PLATFORM |
| CN2032611U (en) * | 1987-10-15 | 1989-02-15 | 中国建筑科学研究院建筑机械化研究所 | Folding type fast erecting tower crane |
| CN1117019A (en) * | 1994-12-28 | 1996-02-21 | 王绍清 | Universal miniature dual-purpose hanging and lifting crane |
| TW552236B (en) * | 2000-09-12 | 2003-09-11 | Gen Electric | Light weight work platform with crane |
| KR200271780Y1 (en) * | 2002-01-18 | 2002-04-10 | 동남정공(주) | Fold And Unfold Mobile Working Platform |
| CN2808859Y (en) * | 2005-07-01 | 2006-08-23 | 四川长江工程起重机有限责任公司 | Revolving table structure for folding-arm type lorry loading crane |
| CN202609823U (en) * | 2012-03-31 | 2012-12-19 | 西安天伟电子系统工程有限公司 | Manual fast-folding lifting mechanism |
| CN204897283U (en) * | 2015-07-22 | 2015-12-23 | 王新宝 | Small -size crane is used to fitment |
| CN205892526U (en) * | 2016-08-22 | 2017-01-18 | 中国化学工程第三建设有限公司 | Hoist and mount platform of spinning corridor equipment |
| CN106744392A (en) * | 2017-03-30 | 2017-05-31 | 刘畅 | One kind building boom hoisting |
| CN109353944A (en) * | 2018-12-07 | 2019-02-19 | 毛雨彤 | Overturning type foot pedal |
| CN209601921U (en) * | 2019-02-21 | 2019-11-08 | 重庆前卫科技集团有限公司 | Anti-canting hangs tool |
| CN210467506U (en) * | 2019-10-29 | 2020-05-05 | 海鹰企业集团有限责任公司 | Universal mounting structure for multi-model transformers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112607592B (en) | 2024-04-19 |
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