CN113653305B - Electric jacking operation platform - Google Patents
Electric jacking operation platform Download PDFInfo
- Publication number
- CN113653305B CN113653305B CN202111041896.4A CN202111041896A CN113653305B CN 113653305 B CN113653305 B CN 113653305B CN 202111041896 A CN202111041896 A CN 202111041896A CN 113653305 B CN113653305 B CN 113653305B
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- Prior art keywords
- telescopic cylinder
- telescopic
- platform
- fixed pulley
- vertical
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 19
- 241000282326 Felis catus Species 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
- E04G2001/242—Scaffolds movable on wheels or tracks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses an electric jacking operation platform, which belongs to the technical field of steel structure construction and comprises a platform, a vertical lifting device and a bottom moving framework, wherein the vertical lifting device is arranged at the bottom of the platform and is used for driving the platform to lift vertically, and the bottom moving framework is arranged at the bottom of the lifting device and is used for driving the vertical lifting device to move. The invention can be suitable for the high-altitude operation with different heights.
Description
Technical Field
The invention relates to the technical field of steel structure construction, in particular to an electric jacking operation platform.
Background
In the construction process of the steel structure, the high-altitude operation is an indispensable work in the construction process; in the prior art, when working aloft, a crawling ladder and a movable scaffold are often adopted for working; however, along with different heights, the adopted ladders and the movable scaffolds are different, so that a large number of ladders and movable scaffolds exist on a construction site, and the accommodation is extremely inconvenient; meanwhile, the ladder stand and the movable scaffold are adopted for poor construction stability, and potential construction safety hazards exist.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric jacking operation platform which is suitable for high-altitude operation at different heights.
The invention solves the technical problems by adopting the following solution:
An electric jacking operation platform comprises a platform, a vertical lifting device and a bottom moving framework, wherein the vertical lifting device is installed at the bottom of the platform and used for driving the platform to lift vertically, and the bottom moving framework is installed at the bottom of the lifting device and used for driving the vertical lifting device to move.
When the device is used, the device is moved to an area needing high-altitude operation through the bottom moving framework, and then the vertical lifting device is controlled to lift upwards, so that the platform moves to one side far away from the bottom moving framework, and finally reaches a designated position; after reaching the appointed position, the constructor enters the platform, and then construction operation in the area is carried out; after construction operation is accomplished, make the platform to be close to the one side motion of bottom removal framework through controlling vertical elevating gear, deposit this device.
Compared with the prior art, the invention can be freely adjusted according to the height, has wide application range and more firm support, and effectively ensures the construction safety.
In some possible embodiments, the platform is controlled to be lifted in order to be effectively realized;
The vertical lifting device comprises a vertical telescopic member with one end connected with the platform and a driving device connected with one end, far away from the platform, of the vertical telescopic member.
In some possible embodiments, lifting is achieved for efficient use by a vertical telescoping member;
The vertical telescopic member is of a rope type telescopic structure; the bag comprises a plurality of telescopic cylinders which are sequentially sleeved, telescopic pieces which are arranged in the telescopic cylinders and are coaxial with the telescopic cylinders, and a plurality of fixed pulley block structures which are arranged in the telescopic cylinders and are respectively connected with the telescopic cylinders in a transmission way.
In some possible embodiments, in order to effectively realize the expansion and contraction of the multi-section telescopic cylinder in the vertical direction;
The multi-section telescopic cylinder comprises a telescopic cylinder I arranged on the bottom movable framework, a telescopic cylinder II sleeved in the telescopic cylinder I, and a telescopic cylinder unit sequentially sleeved in the telescopic cylinder II;
the telescopic piece comprises a screw rod which is arranged in the first telescopic cylinder and is in transmission connection with the driving device, and a sleeve which is in threaded connection with the screw rod and is arranged in the second telescopic cylinder; one end of the sleeve, which is far away from the second telescopic cylinder, is arranged in the telescopic cylinder unit.
In some possible embodiments, in order to effectively realize telescopic transmission of the multi-section telescopic cylinder, the platform is lifted;
the fixed pulley block structure comprises a fixed pulley and a rope in transmission connection with the fixed pulley.
In some possible embodiments, in order to effectively enable the relative fixation of the bottom mobile frame, the telescopic cylinder one, the platform;
The bottom moving framework comprises a base and travelling wheels arranged at the bottom of the base; a fixed steel wire rope is arranged between the base and the platform; an oblique steel wire rope is arranged between the outer side of the first telescopic cylinder and the bottom plate.
In some possible embodiments, in order to effectively ensure that the secondary movement of the device is avoided after the device is moved to the designated position;
The support piece is further arranged on the outer side of the base, and comprises a supporting leg, an adjusting screw and a supporting leg, wherein one end of the supporting leg is hinged to the outer side of the base, the adjusting screw is vertically arranged and is in threaded connection with the supporting leg, and the supporting leg is arranged at the bottom of the adjusting screw.
In some possible embodiments, the support members are at least four groups and uniformly mounted on the peripheral side of the base.
In some possible embodiments, to avoid constructors from entering the platform;
The platform comprises a bottom plate connected with one end of the vertical telescopic member far away from the driving device and a railing arranged on the bottom plate; and a manhole is arranged on the bottom plate.
In some possible embodiments, a ladder stand is further installed on the outer side of the first telescopic cylinder; the cat ladder is located right below the manhole.
Compared with the prior art, the invention has the beneficial effects that:
The vertical lifting device and the platform are matched with each other, so that the invention is applicable to the high-altitude operation at different heights; the bottom moving framework is used for enabling the device to rapidly move to a designated place, and then the supporting piece is abutted with the ground or the floor surface, so that the device cannot move secondarily when being used;
According to the invention, the railing is arranged on the platform, and the railing and the bottom plate are matched to form the enclosure structure, so that safety accidents in the construction operation process are effectively avoided, and the probability of the safety accidents is reduced.
Drawings
FIG. 1 is a schematic three-dimensional perspective view of the present invention;
FIG. 2 is a top view of the platform of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of a vertical lifting device according to the present invention;
Wherein: the device comprises a 1-platform, a 11-bottom plate, a 111-manhole, a 12-railing, a 2-vertical lifting device, a 20-driving device, a 21-telescopic cylinder I, a 22-telescopic cylinder II, a 23-fixed pulley block structure, a 24-screw rod, a 25-sleeve, a 3-bottom moving framework, a 31-base, a 32-travelling wheel, a 33-supporting piece, a 331-supporting leg, a 332-adjusting screw rod, a 333-supporting leg, a 4-fixed steel wire rope and a 5-oblique steel wire rope.
Detailed Description
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Reference to "first," "second," and similar terms herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes the association relationship of the association object, which means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in detail below.
As shown in fig. 1-4;
An electric jacking operation platform comprises a platform 1, a vertical lifting device 2 arranged at the bottom of the platform 1 and used for driving the platform 1 to lift vertically, and a bottom moving framework 3 arranged at the bottom of the lifting device and used for driving the vertical lifting device 2 to move.
When the device is used, the device is moved to an area where high-altitude operation is required through the bottom moving framework 3, and then the vertical lifting device 2 is controlled to lift upwards, so that the platform 1 moves to one side far away from the bottom moving framework 3, and finally reaches a designated position; after reaching the appointed position, the constructor enters the platform 1, and then carries out construction operation in the area; after the construction operation is completed, the platform 1 moves to one side close to the bottom movable framework 3 by controlling the vertical lifting device 2, and the device is stored.
Compared with the prior art, the invention can be freely adjusted according to the height, has wide application range and more firm support, and effectively ensures the construction safety.
In some possible embodiments, the platform 1 is controlled to be lifted for effective realization;
The vertical lifting device 2 comprises a vertical telescopic member with one end connected with the platform 1 and a driving device 20 connected with one end, far away from the platform 1, of the vertical telescopic member.
In some possible embodiments, lifting is achieved for efficient use by a vertical telescoping member;
The vertical telescopic member is of a rope type telescopic structure; the bag comprises a plurality of telescopic cylinders which are sequentially sleeved, telescopic pieces which are arranged in the telescopic cylinders and are coaxial with the telescopic cylinders, and a plurality of fixed pulley block structures which are arranged in the telescopic cylinders and are respectively connected with the telescopic cylinders in a transmission way.
The rope type telescopic structure is a telescopic structure in the prior art, and can be purchased and assembled directly during assembly.
In some possible embodiments, in order to effectively realize the expansion and contraction of the multi-section telescopic cylinder in the vertical direction;
The multi-section telescopic cylinder comprises a telescopic cylinder I21 arranged on the bottom movable framework 3, a telescopic cylinder II 22 sleeved in the telescopic cylinder I21, and a telescopic cylinder unit sequentially sleeved in the telescopic cylinder II 22;
the telescopic piece comprises a screw 24 which is arranged in the telescopic cylinder I21 and is in transmission connection with the driving device 20, and a sleeve 25 which is in threaded connection with the screw 24 and is arranged in the telescopic cylinder II 22; the sleeve 25 is arranged in the telescopic cylinder unit at the end far away from the telescopic cylinder II 22.
Preferably, a sliding groove is vertically arranged on the outer side of the second telescopic cylinder 22, and the first telescopic cylinder 21 is provided with a sliding block matched with the sliding groove for use; thus, the situation that the telescopic cylinder II 22 rotates when the telescopic cylinder II 22 moves vertically by adopting the principle of the screw 24 is effectively avoided.
In some possible embodiments, in order to effectively realize telescopic transmission of the multi-section telescopic cylinder, the platform 1 is lifted;
the fixed pulley block structure 23 comprises a fixed pulley and a rope in transmission connection with the fixed pulley.
Preferably, as shown in fig. 4, the multi-section telescopic cylinder comprises a first telescopic cylinder 21 connected with the driving device 20 and internally provided with a screw 24, a second telescopic cylinder 22 sleeved in the first telescopic cylinder 21, and a sleeve 25 installed in the second telescopic cylinder 22 and provided with internal threads; one end of the screw 24 extends into the second telescopic cylinder 22 and is in threaded connection with the sleeve 25.
The vertical telescopic member further comprises a telescopic cylinder III sleeved in the telescopic cylinder II 22, a telescopic cylinder IV sleeved in the telescopic cylinder III, a fixed pulley block I arranged at the bottom of the telescopic cylinder II 22 and positioned in the telescopic cylinder I21, a fixed pulley block II arranged at one end of the screw 24 far away from the telescopic cylinder I21, a fixed pulley block III arranged in the telescopic cylinder III and positioned at the bottom of the telescopic cylinder III, and a fixed pulley block IV arranged in the telescopic cylinder III and positioned at the top of the telescopic cylinder III;
the fixed pulley block I is respectively in transmission connection with the telescopic cylinder I21 and the telescopic cylinder III;
the fixed pulley block II is respectively in transmission connection with the telescopic cylinder I21 and the telescopic cylinder III;
The fixed pulley block III is respectively in transmission connection with the telescopic cylinder III and the telescopic cylinder IV;
the fixed pulley block IV is respectively in transmission connection with the telescopic cylinder II 22 and the telescopic cylinder III;
One end of the screw 24, which is far away from the telescopic cylinder one 21, extends into the telescopic cylinder four.
The fixed pulley block I comprises a fixed pulley I and a rope I in transmission connection with the fixed pulley I; the fixed pulley I is arranged at the bottom of the telescopic cylinder II 22 and is positioned in the telescopic cylinder I21, one end of the rope I is connected with the top of the telescopic cylinder I21, and the other end of the rope I penetrates through the telescopic cylinder II 22 to be connected with the bottom of the telescopic cylinder III;
The fixed pulley block I comprises a fixed pulley II and a rope II in transmission connection with the fixed pulley II; the fixed pulley II is arranged at the top of the sleeve 25 and is positioned in the telescopic cylinder IV; one end of the second rope penetrates through the bottom of the fourth telescopic cylinder, the third telescopic cylinder and the second telescopic cylinder 22 to be connected with the bottom of the first telescopic cylinder 21, and the other end of the second rope penetrates through the bottom of the fourth telescopic cylinder to be connected with the bottom of the third telescopic cylinder;
The fixed pulley block III comprises a fixed pulley III and a rope III in transmission connection with the fixed pulley III; the fixed pulley III is arranged at the bottom of the telescopic cylinder III and is positioned in the telescopic cylinder III; one end of the rope is fixedly connected with the inner side surface of the telescopic cylinder III, and the other end of the rope is connected with the bottom of the telescopic cylinder IV;
The fixed pulley block IV comprises a fixed pulley IV and a rope IV in transmission connection with the fixed pulley IV; the fixed pulley IV is arranged at the top of the telescopic cylinder III and is positioned in the telescopic cylinder III, one end of the fixed pulley IV is connected with the bottom of the telescopic cylinder IV, and the other end of the fixed pulley IV penetrates through the telescopic cylinder III and is connected with the bottom of the telescopic cylinder II 22.
When the telescopic device is used, the driving motor controls the output shaft of the telescopic device to rotate positively, so that the screw rod 24 is driven to rotate, the telescopic device and the sleeve 25 move along the length direction of the screw rod 24 to realize ascending, so that the telescopic cylinder II 22 moves to the side far away from the bottom moving framework 3, and the sleeve 25 moves to the side far away from the telescopic cylinder I21, so that the fixed pulley II and the telescopic cylinder II 22 are driven to move to the side far away from the telescopic cylinder I21, and the telescopic cylinder three-way is driven to move to the side far away from the telescopic cylinder I21; the telescopic cylinder three-way drives the telescopic cylinder four-way to move away from one side of the telescopic cylinder one 21 through the fixed pulley block four, and then the platform 1 arranged on the telescopic cylinder four-way moves away from one side of the telescopic cylinder one 21.
In some possible embodiments, in order to effectively make the relative fixation of the bottom mobile frame 3, the telescopic cylinder 21, the platform 1;
The bottom moving frame 3 comprises a base 31 and a travelling wheel 32 arranged at the bottom of the base 31; a fixed steel wire rope 4 is arranged between the base 31 and the platform 1; an oblique steel wire rope 5 is arranged between the outer side of the first telescopic cylinder 21 and the bottom plate 11.
When the vertical lifting device is used, after the platform 1 is lifted to a designated height through the vertical lifting device 2, the platform 1 is connected with the base 31 through the fixed steel wire rope 4, so that the stability of the platform 1 is effectively guaranteed.
Preferably, an ear plate is provided on the base 31, through which the connection of the fixed wire rope 4 with the base 31 is achieved.
In some possible embodiments, in order to effectively ensure that the secondary movement of the device is avoided after the device is moved to the designated position;
The outer side of the base 31 is further provided with a supporting piece 33, and the supporting piece 33 comprises a supporting leg 331, an adjusting screw 332 and a supporting leg 333, wherein one end of the supporting leg 331 is hinged with the outer side of the base 31, the adjusting screw 332 is vertically arranged and is in threaded connection with the supporting leg 331, and the supporting leg 333 is installed at the bottom of the adjusting screw 332.
In some possible embodiments, the support members 33 are at least four groups and are uniformly mounted on the peripheral side of the base 31.
Preferably, as shown in fig. 1, the base 31 has a square structure, and the supporting members 33 are respectively installed on two symmetrical sides of the base 31 in four groups.
When moving, the support legs 333 are suspended away from one end of the adjusting screw 332 by the adjusting screw 332; when the specified position is reached, the support legs 333 are abutted against the floor or the ground by adjusting the adjusting bolts, and the secondary movement of the bottom moving frame 3 is effectively suppressed.
In some possible embodiments, to avoid constructors from entering the platform 1;
The platform 1 comprises a bottom plate 11 connected with one end of the vertical telescopic member far away from the driving device 20 and a railing 12 arranged on the bottom plate 11; the base plate 11 is provided with a manhole 111.
In some possible embodiments, a ladder is further installed on the outer side of the telescopic cylinder one 21; the ladder is located directly below the manhole 111.
A manhole 111 is arranged on the bottom plate 11, construction operators enter the bottom plate 11 through a ladder stand, and then the manhole 111 is closed, so that construction operations can be performed in an enclosed cavity formed by the bottom plate 11 and the railing 12; the safety of construction operation is effectively ensured.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (1)
1. The electric jacking operation platform is characterized by comprising a platform, a vertical lifting device and a bottom moving framework, wherein the vertical lifting device is arranged at the bottom of the platform and is used for driving the platform to lift vertically, and the bottom moving framework is arranged at the bottom of the lifting device and is used for driving the vertical lifting device to move; the vertical lifting device comprises a vertical telescopic member, one end of which is connected with the platform, and a driving device, one end of which is far away from the platform, of the vertical telescopic member;
the vertical telescopic member is of a rope type telescopic structure; the telescopic pulley comprises a plurality of telescopic cylinders which are sequentially sleeved, telescopic pieces which are arranged in the telescopic cylinders and are coaxially arranged with the telescopic cylinders, and a plurality of fixed pulley block structures which are arranged in the telescopic cylinders and are respectively in transmission connection with the telescopic cylinders; the multi-section telescopic cylinder comprises a telescopic cylinder I arranged on the bottom movable framework, a telescopic cylinder II sleeved in the telescopic cylinder I, and a telescopic cylinder unit sequentially sleeved in the telescopic cylinder II;
The telescopic piece comprises a screw rod which is arranged in the first telescopic cylinder and is in transmission connection with the driving device, and a sleeve which is in threaded connection with the screw rod and is arranged in the second telescopic cylinder; one end of the sleeve, which is far away from the second telescopic cylinder, is arranged in the telescopic cylinder unit; the driving device is a driving motor, and an output shaft of the driving device is connected with a screw rod through the first telescopic cylinder; the fixed pulley block structure comprises a fixed pulley and a rope in transmission connection with the fixed pulley;
The vertical telescopic member further comprises a telescopic cylinder III sleeved in the telescopic cylinder II, a telescopic cylinder IV sleeved in the telescopic cylinder III, a fixed pulley block I arranged at the bottom of the telescopic cylinder II and positioned in the telescopic cylinder I, a fixed pulley block II arranged at one end of the screw rod far away from the telescopic cylinder I, a fixed pulley block III arranged in the telescopic cylinder III and positioned at the bottom of the telescopic cylinder III, and a fixed pulley block IV arranged in the telescopic cylinder III and positioned at the top of the telescopic cylinder III;
the bottom moving framework comprises a base and travelling wheels arranged at the bottom of the base; a fixed steel wire rope is arranged between the base and the platform; an oblique steel wire rope is arranged between the outer side of the first telescopic cylinder and the bottom plate;
The outer side of the base is also provided with a supporting piece, and the supporting piece comprises a supporting leg, an adjusting screw rod and a supporting leg, wherein one end of the supporting leg is hinged with the outer side of the base, the adjusting screw rod is vertically arranged and is in threaded connection with the supporting leg, and the supporting leg is arranged at the bottom of the adjusting screw rod;
The supporting pieces are at least four groups and are uniformly arranged on the periphery of the base;
The platform comprises a bottom plate connected with one end of the vertical telescopic member far away from the driving device and a railing arranged on the bottom plate; a manhole is arranged on the bottom plate;
A cat ladder is also arranged on the outer side of the first telescopic cylinder; the cat ladder is located right below the manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041896.4A CN113653305B (en) | 2021-09-07 | 2021-09-07 | Electric jacking operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041896.4A CN113653305B (en) | 2021-09-07 | 2021-09-07 | Electric jacking operation platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113653305A CN113653305A (en) | 2021-11-16 |
| CN113653305B true CN113653305B (en) | 2024-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111041896.4A Active CN113653305B (en) | 2021-09-07 | 2021-09-07 | Electric jacking operation platform |
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| Country | Link |
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| CN (1) | CN113653305B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216406090U (en) * | 2021-09-07 | 2022-04-29 | 中国五冶集团有限公司 | Electric jacking operation platform |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2349458T3 (en) * | 2000-01-14 | 2011-01-03 | The Trustees Of The University Of Pennsylvania | O-METHYLATE DERIVATIVES OF RAPAMYCIN TO RELIEF AND INHIBIT DISORDERS. |
| BRPI1103071B1 (en) * | 2010-06-11 | 2019-04-02 | China Petroleum & Chemical Corporation | ETHYL BENZEN SYNTHESIS PROCESS FROM ETHANOL AND BENZENE |
| WO2016183621A1 (en) * | 2015-05-21 | 2016-11-24 | Salita Ip Pty Ltd | Scaffold unit |
| CN111809845A (en) * | 2020-08-10 | 2020-10-23 | 界首市天瓴建筑工程有限公司 | Scaffold based on movable platform |
| CN112249999A (en) * | 2020-11-06 | 2021-01-22 | 浙江鼎力机械股份有限公司 | Electric lifting type aerial work platform |
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2021
- 2021-09-07 CN CN202111041896.4A patent/CN113653305B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216406090U (en) * | 2021-09-07 | 2022-04-29 | 中国五冶集团有限公司 | Electric jacking operation platform |
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| CN113653305A (en) | 2021-11-16 |
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