CN112441526A - Lifting platform with rotating and transverse moving functions - Google Patents
Lifting platform with rotating and transverse moving functions Download PDFInfo
- Publication number
- CN112441526A CN112441526A CN202011248009.6A CN202011248009A CN112441526A CN 112441526 A CN112441526 A CN 112441526A CN 202011248009 A CN202011248009 A CN 202011248009A CN 112441526 A CN112441526 A CN 112441526A
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- China
- Prior art keywords
- lifting
- rotary
- frame
- inner frame
- rotating
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- 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.)
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Classifications
-
- 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
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
-
- 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
A lifting platform with a rotating and transverse moving function belongs to the technical field of laboratory equipment. It comprises an outer frame; the outer frame is provided with a lifting inner frame, the outer frame and the lifting inner frame are L-shaped, the vertical section of the lifting inner frame can move relatively along the vertical section of the outer frame, and the transverse section of the lifting inner frame is arranged above the transverse section of the outer frame; be provided with the rotation control subassembly on the frame horizontal segment in the lift, rotation control subassembly upper portion is provided with the sideslip panel, is provided with the lift control subassembly on the frame vertical section in the lift, and rotation control subassembly, lift control subassembly all control through outside power supply module. According to the invention, through arranging the rotation control assembly, the lifting control assembly and the transverse moving pair, the operation of automatic lifting, rotation and transverse moving of the operation table is realized by matching with an external power supply assembly, the laboratory is convenient to carry articles, the tester is convenient to quickly position the test body placed on the test table, the operation is simple and quick, the physical strength is saved, and the test efficiency of the tester is improved.
Description
Technical Field
The invention belongs to the technical field of laboratory equipment, and particularly relates to a lifting platform with a rotary transverse moving function.
Background
The test operation platform is the necessary equipment in laboratory, and the operation platform that has raising and lowering functions all can be used to most colleges and universities and enterprise's laboratory, and present test platform adopts artifical lift mostly, is unfavorable for experimental going on fast, places the test body on experimental lift platform in addition and often need be connected with other equipment, and this just provides the requirement to the position of test body on the lift platform, and the location of test body on lift platform is very inconvenient. Especially when the test body is heavier, need with the test body rotatory certain angle or when controlling the adjustment position, it is harder to operate, and can not guarantee the accuracy nature of the position of adjusting.
The prior art has automatic elevating platform, in the experimentation, wastes time and energy to the operation of experiment body, and can not guarantee to test the accurate nature of body adjustment position, is unfavorable for improving test worker's test efficiency. At present, no lifting platform with a rotary transverse moving function exists.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the lifting platform with the rotating and transversely moving functions, which is convenient for carrying experimental articles, can quickly position the experimental body, is simple and quick to operate, saves physical strength and improves the experimental efficiency.
The invention provides the following technical scheme: a lifting platform with a rotary transverse moving function comprises an outer frame; the method is characterized in that: the lifting inner frame is arranged on the outer frame, the outer frame and the lifting inner frame are both of L-shaped structures, the vertical section of the lifting inner frame can move relatively along the vertical section of the outer frame, and the transverse section of the lifting inner frame is arranged above the transverse section of the outer frame;
the lifting inner frame is characterized in that a rotary control assembly is arranged on the transverse section of the lifting inner frame, a transverse moving panel is arranged on the upper portion of the rotary control assembly, a lifting control assembly is arranged on the vertical section of the lifting inner frame, and the rotary control assembly and the lifting control assembly are controlled by an external power supply assembly.
The lifting platform with the rotating and transverse moving functions is characterized in that the rotating control assembly comprises a rotating gear, a rotary support and a rotating motor which are arranged on the transverse section of a lifting inner frame and a rotating frame which is arranged on the rotary support in the middle, the rotary support and the rotating gear are meshed to form a rotating motion pair, and the rotating gear is connected with an output shaft of the rotating motor.
The lifting platform with the rotating and transverse moving function is characterized in that two transverse moving thread blocks, an upper limiting roller plate, a lower limiting roller plate and a group of front and rear limiting rollers are arranged on the lower portion of the transverse moving panel, and a group of upper limiting rollers and a group of lower limiting rollers are arranged on one side of the upper limiting roller plate and one side of the lower limiting roller plate.
The lifting platform with the rotating and transverse moving functions is characterized in that a transverse moving motor is arranged on the rotating frame, and a transverse moving pair is formed between the transverse moving motor and the transverse moving thread block through a transverse moving lead screw.
The lifting platform with the rotating and transverse moving function is characterized in that two supporting roller plates are symmetrically arranged on the front side and the rear side of the rotating frame, a front limiting groove, a rear limiting groove, an upper limiting groove and a lower limiting groove are formed between the two supporting roller plates, a plurality of supporting rollers are arranged in the supporting roller plates, the upper limiting roller and the lower limiting roller are arranged in the upper limiting groove and the lower limiting groove in a laminating mode, and the front limiting roller and the rear limiting roller are arranged in the front limiting groove and the rear limiting groove in a laminating mode.
The lifting platform with the rotating and transverse moving functions is characterized in that the lifting inner frame vertical section is arranged on the inner side of the outer frame vertical section, a group of lifting guide wheels are arranged on the outer sides of two sides of the lifting inner frame vertical section, the lifting guide wheels are attached to the inner side of the outer frame vertical section, and a lifting track is formed by combination.
The lifting platform with the rotating and transverse moving functions is characterized in that the external power supply assembly comprises a power supply control box arranged on the outer side of the vertical section of the lifting inner frame and a remote controller externally connected with the power supply control box through a remote control line, a lifting motor is arranged at the bottom of the power supply control box, a push rod handrail is arranged on the side part of the power supply control box, a storage battery is placed in the push rod handrail, and a lifting handle is arranged on the remote controller.
The lifting platform with the rotating and transverse moving functions is characterized in that a baffle, an electric quantity indicator lamp, a work indicator lamp, a power switch, an emergency stop switch and a charging socket are arranged on a cover plate of the power control box, and the remote controller is placed on the baffle.
The lifting platform with the rotating and transverse moving functions is characterized in that the lifting control assembly comprises a lifting thread block and a lifting screw rod, the lifting thread block is installed on the vertical section of the lifting inner frame, one end of the lifting screw rod is fixed on the vertical section of the outer frame, the other end of the lifting screw rod is connected with the output end of a lifting motor, and the lifting thread block and the lifting screw rod are combined to form a lifting motion pair.
The lifting platform with the rotating and transverse moving functions is characterized in that front universal wheels and rear universal wheels are respectively arranged on the front side and the rear side of the lower portion of the outer frame.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
according to the invention, through arranging the rotation control assembly, the lifting control assembly and the transverse moving pair, the operation of automatic lifting, rotation and transverse moving of the operation table is realized by matching with an external power supply assembly, the laboratory is convenient to carry articles, the tester is convenient to quickly position the test body placed on the test table, the operation is simple and quick, the physical strength is saved, and the test efficiency of the tester is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a rotation and lateral movement control structure of the lifting platform of the present invention;
FIG. 4 is a schematic view of a lifting guide wheel mounting structure of the present invention;
FIG. 5 is a schematic view of an upper and lower limiting wheel mounting structure of the present invention;
FIG. 6 is a schematic view of the front and rear limiting wheel mounting structure of the present invention;
FIG. 7 is a schematic diagram of an external power supply assembly according to the present invention;
FIG. 8 is a schematic diagram of a button structure of the remote control according to the present invention;
fig. 9 is a flowchart of the lift platform program control of the present invention.
In the figure: 101. an outer frame; 102. a push rod armrest; 103. a power supply control box; 104. a rear universal wheel; 105. a front universal wheel; 106. a rotating frame; 107. transversely moving the panel; 108. lifting the inner frame; 201. Lifting a screw rod; 202. A storage battery; 203. a rotating gear; 204. a rotating electric machine; 205. a rotary support; 206. a lifting motor; 207. lifting the thread block; 301. A traversing motor; 302. traversing the thread block; 303. transversely moving the lead screw; 304. supporting the rollers; 305. a support roller plate; 306. front and rear limiting rollers; 307. front and rear limiting grooves; 308. an upper limiting roller plate and a lower limiting roller plate; 309. an upper limiting roller and a lower limiting roller; 310. an upper limiting groove and a lower limiting groove; 401. a lifting guide wheel; 501. an electric quantity indicator light; 502. a work indicator light; 503. a power switch; 504. a scram switch; 505. a charging jack; 506. a baffle plate; 600. A remote controller; 601. a remote controller indicator light; 602. an automatic button; 603. a manual button; 604. rotating the button; 605. a lifting button; 606. a left button; 607. a right button; 608. a down button; 609. a handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1-9, a lifting platform with a rotating and traversing function includes an outer frame 101, a lifting inner frame 108 disposed on the outer frame 101, the outer frame 101 and the lifting inner frame 108 both having an L-shaped structure, and front and rear universal wheels 105 and 104 disposed on front and rear sides of a lower portion of the outer frame 101.
The vertical section of the lifting inner frame 108 is arranged on the inner side of the vertical section of the outer frame 101, a plurality of lifting guide wheels 401 are arranged on the outer sides of two sides of the vertical section of the lifting inner frame 108, and the lifting guide wheels 401 are attached to the inner part of the vertical section of the outer frame 101 and combined to form a lifting track; the horizontal section of the lifting inner frame 108 is disposed above the horizontal section of the outer frame 101.
Be provided with the rotation control subassembly on the internal frame 108 horizontal segment of lift, rotation control subassembly upper portion is provided with sideslip panel 107, is provided with the lift control subassembly on the vertical section, and rotation control subassembly, lift control subassembly all are through external power supply module remote control.
The rotation control assembly controls the rotation operation of the operation table and comprises a rotating gear 203, a rotary support 205, a rotating motor 204 and a rotating frame 106 which is arranged on the transverse section of the lifting inner frame 108 in the middle, wherein the rotating gear 203, the rotary support 205 and the rotating frame 106 are arranged on the rotary support 205 in the middle, a rotating tooth meshed with the rotating gear 203 is arranged on the outer side surface of the rotary support 205, the rotating gear 203 and the rotary support 205 form a rotating motion pair through meshing, the rotating gear 203 is connected with an output shaft of the rotating motor 204 to serve as a driving wheel, the rotating motor 204 controls the rotating gear 203 to rotate to drive the rotary support 205, and the rotating operation of.
The lifting control assembly controls the lifting operation of the operation console perpendicular to the operation console surface, and comprises a lifting thread block 207 arranged on the vertical section of the lifting inner frame 108, a lifting screw 201 and the lifting thread block 207 which are combined to form a lifting motion pair, one end of the lifting screw 201 is connected with a lifting motor 206 arranged on an external power supply assembly, the lifting screw 201 is controlled to rotate through the lifting motor 206, the lifting thread block 207 is driven to move linearly along the lifting screw 201, and then the lifting operation of the lifting inner frame 108 is realized.
Two traverse thread blocks 302, an upper limiting roller plate 308 and a lower limiting roller plate 308 and a group of front and rear limiting rollers 306 are arranged on the lower end surface of the traverse panel 107, and a group of upper and lower limiting rollers 309 are arranged on one side of the upper and lower limiting roller plate 308.
Two traverse thread blocks 302 and two supporting roller plates 305 are symmetrically arranged on the front side and the rear side of the rotating frame 106, a front limiting groove 307 and a rear limiting groove 310 and an upper limiting groove and a lower limiting groove 310 are arranged between the two supporting roller plates 305, and a plurality of supporting rollers 304 are arranged inside the supporting roller plates 305.
The upper and lower limit rollers 309 are fitted in the upper and lower limit grooves 310, and the front and rear limit rollers 306 are fitted in the front and rear limit grooves 307. The traverse screw blocks 302 correspond to the traverse motor 301 in position one by one and form a traverse motion pair through the traverse screw 303, the traverse motor 301 mounted on the rotating frame 106 controls the traverse screw 303 to work, and the traverse screw blocks 302 move relative to the traverse screw 303 to realize the traverse operation of the traverse panel 107, i.e., the operation table.
The external power supply assembly comprises a power supply control box 103 and a remote controller 600 which are arranged outside the vertical section of the lifting inner frame 108.
The bottom of the power control box 103 is provided with a lifting motor 206, the side part of the power control box is provided with a push rod handrail 102, the push rod handrail 102 is internally provided with a storage battery 202, and a cover plate of the power control box 103 is provided with a baffle 506, an electric quantity indicator lamp 501, a work indicator lamp 502, a power switch 503, an emergency stop switch 504 and a charging socket 505.
The remote controller 600 is externally connected to the power control box 103 through a remote control wire 507, the remote controller 600 is generally placed on the baffle 506, the remote controller 600 is provided with a remote controller indicator lamp 601, an automatic button 602, a manual button 603 and the like, and the upper end of the remote controller 600 is provided with a handle 609, so that the operability of the test bed is improved.
The control schematic diagram of the whole system of the invention is shown in the attached figure 9, and the specific working process is as follows:
when a test body is placed on the lifting platform, the lifting motor 206 works by pressing the lifting button 608 on the control remote controller 600 to lower the lifting inner frame 108, the rotating frame 106 and the traverse panel 107 to a required position, the lifting button 608 is released, the lifting motor 206 stops working, and the test body can be placed on the traverse panel 107 of the lifting platform, and in the lifting process, the rotating motor 204 and the traverse motor 301 are kept powered on, so that the rotating frame 106 and the traverse panel 107 are prevented from shaking, and the running stability is improved.
Pressing the lifting button 605 on the remote controller 600, the lifting motor 206 works to drive the transverse moving panel 107 for placing the test body to lift up to the position required by the user, and loosening the lifting button 605 to ensure that the lifting motor 206 still keeps powered on after stopping working; according to the connection condition of the test body and other equipment by a user, the rotating button 604 on the remote controller 600 can be pressed, the rotating motor 204 works, the lifting inner frame 108 and the transverse moving panel 107 carry the test body to rotate, the rotating button 604 is released when the test body is rotated to a required angle, and the rotating motor 204 stops working; if the user adjusts the left-right direction of the test body, the traverse motor 301 is operated to control the traverse panel 107 to adjust left and right by pressing the left button 606 or the right button 607 on the control remote controller 600, the supporting roller 304 of the supporting roller plate 305 can reduce friction when the traverse panel 107 moves in the process of left and right traverse, the supporting roller is adjusted to a proper position, the left button 606 or the right button 607 is released, the rotating motor 204 stops operating, and thus the whole process of placing the test body is completed.
The system has two modes of a manual mode and an automatic mode, the same position is placed for a plurality of times aiming at the test body, a user can use the automatic mode, when the automatic button 602 is pressed for the first time, the lifting motor 206, the rotating motor 204 and the transverse moving motor 301 work in a cooperative mode, the transverse moving panel 107 descends to the required position, after the transverse moving panel 107 is placed on the test body, the automatic button 602 is pressed again, and the lifting platform can automatically adjust the test body to the required position for the test.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A lifting platform with a rotary transverse moving function comprises an outer frame (101); the method is characterized in that: a lifting inner frame (108) is arranged on the outer frame (101), the outer frame (101) and the lifting inner frame (108) are both L-shaped structures, the vertical section of the lifting inner frame (108) can move relatively along the vertical section of the outer frame (101), and the transverse section of the lifting inner frame (108) is arranged above the transverse section of the outer frame (101);
the lifting inner frame is characterized in that a rotary control assembly is arranged on the transverse section of the lifting inner frame (108), a transverse moving panel (107) is arranged on the upper portion of the rotary control assembly, a lifting control assembly is arranged on the vertical section of the lifting inner frame (108), and the rotary control assembly and the lifting control assembly are controlled by an external power supply assembly.
2. A lifting platform with a rotary traversing function as claimed in claim 1, wherein the rotary control assembly comprises a rotary gear (203) mounted on the cross section of the lifting inner frame (108), a rotary support (205), a rotary motor (204) and a rotary frame (106) arranged centrally on the rotary support (205), the rotary support (205) is meshed with the rotary gear (203) to form a rotary motion pair, and the rotary gear (203) is connected with the output shaft of the rotary motor (204).
3. The lifting platform with the function of rotary traverse motion as claimed in claim 2, characterized in that the lower part of the traverse motion panel (107) is provided with two traverse motion thread blocks (302), an upper and lower limiting roller plate (308) and a set of front and rear limiting rollers (306), and one side of the upper and lower limiting roller plate (308) is provided with a set of upper and lower limiting rollers (309).
4. A lifting platform with rotary traversing function as claimed in claim 3, characterized in that the rotating frame (106) is provided with a traversing motor (301), and a traversing motion pair is formed between the traversing motor (301) and the traversing thread block (302) through a traversing lead screw (303).
5. The lifting platform with the function of rotating and transversely moving as claimed in claim 3, wherein the rotating frame (106) is symmetrically provided with two supporting roller plates (305) at the front and back sides, a front and back limiting groove (307) and an upper and lower limiting groove (310) are arranged between the two supporting roller plates (305), a plurality of supporting rollers (304) are arranged in the supporting roller plates (305), the upper and lower limiting rollers (309) are attached and placed in the upper and lower limiting grooves (310), and the front and back limiting rollers (306) are attached and placed in the front and back limiting grooves (307).
6. The lifting platform with the function of rotating and transversely moving as claimed in claim 1, wherein the vertical section of the lifting inner frame (108) is arranged at the inner side of the vertical section of the outer frame (101), a set of lifting guide wheels (401) is arranged at the outer sides of two sides of the vertical section of the lifting inner frame (108), and the lifting guide wheels (401) are attached to the inner part of the vertical section of the outer frame (101) to form a lifting track.
7. The lifting platform with the rotating and traversing function as claimed in claim 1, wherein the external power supply assembly comprises a power supply control box (103) arranged outside the vertical section of the lifting inner frame (108), and a remote controller (600) externally connected to the power supply control box (103) through a remote control wire (507), the bottom of the power supply control box (103) is provided with a lifting motor (206), the side part of the power supply control box is provided with a push rod handrail (102), a storage battery (202) is arranged inside the push rod handrail (102), and the remote controller (600) is provided with a handle (609).
8. The lifting platform with the rotating and traversing function as claimed in claim 7, wherein a baffle (506), a power indicator (501), a work indicator (502), a power switch (503), a scram switch (504) and a charging socket (505) are arranged on the cover plate of the power control box (103), and the remote controller (600) is arranged on the baffle (506).
9. The lifting platform with the function of rotary transverse moving as claimed in claim 7, wherein the lifting control assembly comprises a lifting screw block (207) and a lifting screw (201) which are installed on the vertical section of the lifting inner frame (108), one end of the lifting screw (201) is fixed on the vertical section of the outer frame (101), the other end is connected with the output end of a lifting motor (206), and the lifting screw block (207) and the lifting screw (201) are combined to form a lifting kinematic pair.
10. The elevating platform with the function of rotating and traversing as claimed in claim 1, wherein the front and rear sides of the lower part of the outer frame (101) are respectively provided with a front universal wheel (105) and a rear universal wheel (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011248009.6A CN112441526A (en) | 2020-11-10 | 2020-11-10 | Lifting platform with rotating and transverse moving functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011248009.6A CN112441526A (en) | 2020-11-10 | 2020-11-10 | Lifting platform with rotating and transverse moving functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112441526A true CN112441526A (en) | 2021-03-05 |
Family
ID=74736877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011248009.6A Pending CN112441526A (en) | 2020-11-10 | 2020-11-10 | Lifting platform with rotating and transverse moving functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112441526A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008095438A (en) * | 2006-10-13 | 2008-04-24 | Tokyu Car Corp | Multi-level parking device |
| CN101712445A (en) * | 2009-10-21 | 2010-05-26 | 丁克芳 | Fork hydraulic lifting platform |
| CN202709867U (en) * | 2012-07-12 | 2013-01-30 | 常州远能电力设备有限公司 | Upper guide rail and upper pulley block structure for air-cooling cleaning |
| CN203285101U (en) * | 2013-06-19 | 2013-11-13 | 李乃华 | Sliver type storing and taking system of three-dimensional parking system |
| CN107902604A (en) * | 2017-11-17 | 2018-04-13 | 中车广东轨道交通车辆有限公司 | A kind of installation ancillary equipment of EMU switching mechanism |
| CN208486619U (en) * | 2018-07-12 | 2019-02-12 | 河南乾邦集团有限公司 | A kind of traversing rotated rack formula side position parking device |
| KR102031787B1 (en) * | 2019-07-11 | 2019-10-18 | 키노톤코리아 주식회사 | High speed rising and falling type projector booth system |
| CN111115523A (en) * | 2019-11-25 | 2020-05-08 | 国网山东省电力公司滨州市沾化区供电公司 | Special logistics support vehicle for electric power operation and maintenance |
-
2020
- 2020-11-10 CN CN202011248009.6A patent/CN112441526A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008095438A (en) * | 2006-10-13 | 2008-04-24 | Tokyu Car Corp | Multi-level parking device |
| CN101712445A (en) * | 2009-10-21 | 2010-05-26 | 丁克芳 | Fork hydraulic lifting platform |
| CN202709867U (en) * | 2012-07-12 | 2013-01-30 | 常州远能电力设备有限公司 | Upper guide rail and upper pulley block structure for air-cooling cleaning |
| CN203285101U (en) * | 2013-06-19 | 2013-11-13 | 李乃华 | Sliver type storing and taking system of three-dimensional parking system |
| CN107902604A (en) * | 2017-11-17 | 2018-04-13 | 中车广东轨道交通车辆有限公司 | A kind of installation ancillary equipment of EMU switching mechanism |
| CN208486619U (en) * | 2018-07-12 | 2019-02-12 | 河南乾邦集团有限公司 | A kind of traversing rotated rack formula side position parking device |
| KR102031787B1 (en) * | 2019-07-11 | 2019-10-18 | 키노톤코리아 주식회사 | High speed rising and falling type projector booth system |
| CN111115523A (en) * | 2019-11-25 | 2020-05-08 | 国网山东省电力公司滨州市沾化区供电公司 | Special logistics support vehicle for electric power operation and maintenance |
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| PB01 | Publication | ||
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Application publication date: 20210305 |
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| RJ01 | Rejection of invention patent application after publication |