CN111055629B - Lifting wheel of upright post - Google Patents
Lifting wheel of upright post Download PDFInfo
- Publication number
- CN111055629B CN111055629B CN201911245021.9A CN201911245021A CN111055629B CN 111055629 B CN111055629 B CN 111055629B CN 201911245021 A CN201911245021 A CN 201911245021A CN 111055629 B CN111055629 B CN 111055629B
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- CN
- China
- Prior art keywords
- gear
- lifting
- mounting
- hole
- thrust bearing
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 244000309464 bull Species 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/06—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a lifting wheel of a stand column, which comprises a lifting stud, a lifting gear, an upper thrust bearing, a lower thrust bearing, a wheel, a transmission gear, a force reducing gear, a handle, a mounting box and a top cover; the bottom surface of the mounting box is provided with a semicircular hole I, a circular hole II and a circular hole III; the lifting gear, the upper thrust bearing and the lower thrust bearing are all sleeved on a screw rod of the lifting stud and are all positioned in the mounting box, one end of the screw rod is mounted on the semicircular hole I, one end of the transmission gear is meshed with the lifting gear, the other end of the transmission gear is meshed with a force reducing gear of the force reducing gear, one end of the handle gear is meshed with a force reducing gear of the force reducing gear, the other end of the handle gear is connected with the handle, the wheels are connected with a mounting plate of the lifting stud, the transmission gear, the force reducing gear and the handle gear are mounted in the mounting box through gear shafts respectively penetrating through the circular hole I, the circular hole II and the circular hole III, the top cover is connected with the top of the mounting box, and the bottom of the mounting box is fixed on the upright post; its advantage is convenient removal, improves and builds efficiency.
Description
Technical Field
The invention belongs to the field of wheels, and particularly relates to a lifting wheel of an upright post.
Background
The ground strength test, such as the modal test, needs to build a portal frame. The existing upright post for building the portal frame generally depends on a crane to move the position, and when the portal frame is built in a factory building without the crane, the upright post is very difficult to move. Therefore, the liftable wheel is arranged on the upright post, so that the upright post can be flexibly moved, and the wheel is retracted after the upright post is moved to a designated position, but the wheel which can be used at present cannot be lifted generally, and the wheel which can be used at present cannot be directly arranged because the wheel bears load unlike the foot pier of the upright post. In summary, there is not a very efficient lifting wheel that can be flexibly used.
Disclosure of Invention
Aiming at the prior art, the invention aims to overcome the defects in the prior art and adapt to the actual needs, thereby providing the lifting wheel which is convenient to move the upright post and can obviously improve the efficiency of building the upright post or the portal frame.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a lifting wheel of a stand column comprises a lifting stud, a lifting gear, an upper thrust bearing, a lower thrust bearing, a wheel, a transmission gear, a force reducing gear, a handle, a mounting box and a top cover; one end of the lifting stud is of a screw structure, the other end of the lifting stud is of a square mounting plate structure, and one side of the screw is of a plane structure; the center of the lifting gear is provided with an internal thread matched with the screw rod of the lifting stud; the force reducing gear comprises a force reducing pinion and a force reducing bull gear, and the two gears are coaxially overlapped; the bottom surface of the mounting box is provided with a semicircular hole I, a circular hole II and a circular hole III; the lifting gear, the upper thrust bearing and the lower thrust bearing are all sleeved on the screw rod of the lifting stud, the upper thrust bearing and the lower thrust bearing are respectively positioned at the upper end and the lower end of the lifting gear, one end of the transmission gear is meshed with the lifting gear, the other end of the transmission gear is meshed with the force reducing pinion of the force reducing gear, the force reducing large gear of the force reducing gear is meshed with one end of the handle gear, the other end of the handle gear is connected with the handle, the wheel is connected with the mounting plate of the lifting stud, one end of the screw rod of the lifting stud is mounted on the semicircular hole I of the mounting box, the lifting gear, the upper thrust bearing and the lower thrust bearing which are sleeved on the screw rod are respectively positioned in the mounting box, the transmission gear, the force reducing gear and the handle gear are respectively mounted on the circular hole I, the circular hole II and the circular hole III of the mounting box through gear shafts, the top cover is connected with the top of the mounting box, and the bottom of the mounting box is fixed on the upright post.
Further, a mounting hole I is formed in the mounting plate of the lifting stud.
Further, the semicircular arc radian of the semicircular hole I on the bottom surface of the mounting box is larger than the radius, one end of the plane of the semicircular hole I is matched with the plane on one side of the lifting stud screw, and the aperture of the semicircular hole I is matched with the outer diameter of the screw.
Further, the apertures of the round hole I, the round hole II and the round hole III are respectively matched with the outer diameter of the gear shaft of the transmission gear, the outer diameter of the gear shaft of the force reducing gear and the outer diameter of the gear shaft of the handle gear.
Further, the lower surface of lower thrust bearing is laminated with the upper surface of installation box bottom, and the upper surface is laminated with the lower surface of lifting gear, the upper surface of lifting gear is laminated with the lower surface of upper thrust bearing.
Further, the installation box further comprises an upper installation edge and a lower installation edge, the installation box is connected with the top cover through the upper installation edge, and the installation box is fixedly connected with the installation surface of the upright post through the lower installation edge.
Further, the total length and the total width of the lower mounting edge are larger than those of the upper mounting edge, and a plurality of mounting holes II and III are formed in the upper mounting edge and the lower mounting edge.
Further, a plurality of installation Kong are arranged on the edge of the top cover, a semicircular hole II, a circular hole IV and a circular hole V are arranged in the middle of the top cover, and one end of a screw rod of the lifting stud, a force reducing gear and a gear shaft of the handle gear respectively penetrate through the semicircular hole II, the circular hole IV and the circular hole V.
Further, the structural shape and the size of the semicircular hole II are consistent with those of the semicircular hole I, the aperture size of the circular hole IV is consistent with that of the circular hole II, the aperture size of the circular hole V is consistent with that of the circular hole III, the hole distance among the semicircular hole II, the circular hole IV and the circular hole V is consistent with that among the semicircular hole I, the circular hole II and the circular hole III, and the aperture sizes and the hole distances of the mounting holes IV are consistent with those of the mounting holes II.
The beneficial effects of the invention are as follows: can be in the convenient stand that moves of the operational environment of no crane, improve work efficiency, after the stand moves the assigned position, pack up the wheel, still use the foot mound of stand to bear, do not weaken the bearing capacity of stand.
Drawings
FIG. 1 is a schematic view of the mounting structure of a lifting stud, lifting gear, upper thrust bearing and lower thrust bearing of the present invention;
FIG. 2 is a schematic diagram of an exploded view of the lift stud, lift gear, upper thrust bearing and lower thrust bearing of the present invention;
FIG. 3 is a schematic view of the structure of the invention without the mounting box and top cover;
FIG. 4 is a schematic view of the structure of the mounting box of the present invention;
FIG. 5 is a schematic view of the structure of the invention without the top cover;
FIG. 6 is a schematic diagram of the structure of the present invention;
fig. 7 is a schematic structural view of the top cover of the present invention.
Wherein 1 is a lifting stud, 2 is a lifting gear, 3 is an upper thrust bearing, 4 is a lower thrust bearing, 5 is a wheel, 6 is a transmission gear, 7 is a force reducing gear, 8 is a handle gear, 9 is a handle, 10 is a mounting box, 11 is a top cover, 1-1 is a plane, 1-2 is a mounting plate, 1-3 is a mounting hole I, 2-1 is an internal thread, 7-1 is a force reducing pinion, 7-2 is a force reducing gear, 10-1 is a semicircular hole I, 10-2 is a circular hole I, 10-3 is a circular hole II, 10-4 is a circular hole III, 10-5 is a lower mounting edge, 10-6 is an upper mounting edge, 10-7 is a mounting hole II, 10-8 is a mounting hole III, 11-1 is a semicircular hole II, 11-2 is a circular hole IV, 11-3 is a circular hole V, and 11-4 is a mounting hole IV.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Examples
As shown in fig. 1 to 7, the present invention provides a lifting wheel of a column, comprising a lifting stud 1, a lifting gear 2, an upper thrust bearing 3, a lower thrust bearing 4, a wheel 5, a transmission gear 6, a force reducing gear 7, a handle gear 8, a handle 9, a mounting box 10 and a top cover 11; one end of the lifting stud 1 is of a screw structure, the other end of the lifting stud is of a square mounting plate 1-2 structure, and one side of the screw is of a plane 1-1 structure; the center of the lifting gear 2 is provided with an internal thread 2-1 matched with the screw rod of the lifting stud 1; the force reducing gear 7 comprises a force reducing pinion 7-1 and a force reducing gear wheel 7-2, and the two gears are coaxially overlapped; the bottom surface of the mounting box 10 is provided with a semicircular hole I10-1 for mounting the lifting stud 1, a circular hole I10-2 corresponding to the mounting transmission gear 6, a circular hole II 10-3 corresponding to the mounting force reducing gear 7 and a circular hole III 10-4 corresponding to the mounting handle gear 8; the lifting gear 2, the upper thrust bearing 3 and the lower thrust bearing 4 are all sleeved on a screw rod of the lifting stud 1, the upper thrust bearing 3 and the lower thrust bearing 4 are respectively positioned at the upper end and the lower end of the lifting gear 2, one end of the transmission gear 6 is meshed with the lifting gear 2, the other end of the transmission gear is meshed with a force reducing pinion 7-1 of the force reducing gear 7, a force reducing large gear 7-2 of the force reducing gear 7 is meshed with one end of a handle gear 8, the other end of the handle gear 8 is connected with the handle 9, the wheel 5 is connected with a mounting plate 1-2 of the lifting stud 1, one end of the screw rod of the lifting stud 1 is mounted on a semicircular hole I10-1 of the mounting box 10, the lifting gear 2, the upper thrust bearing 3 and the lower thrust bearing 4 which are sleeved on the screw rod are respectively positioned in the mounting box 10, the transmission gear 6, the force reducing gear 7 and the handle gear 8 are respectively mounted on round holes I10-2, II 10-3 and III 10-4 of the mounting box 10 through gear shafts, the top cover 11 is connected with the top of the mounting box 10, and the bottom of the mounting box 10 is fixedly arranged on the upright post.
Preferably, the mounting plate 1-2 of the lifting stud 1 is provided with a mounting hole I1-3.
Preferably, the semicircular arc radian of the semicircular hole I10-1 on the bottom surface of the installation box 10 is larger than the radius, one end of the plane is matched with the plane 1-1 on one side of the screw of the lifting stud 1, and the aperture of the semicircular hole I is matched with the outer diameter of the screw.
Preferably, the apertures of the round holes I10-2, II 10-3 and III 10-4 are respectively matched with the outer diameter of the gear shaft of the transmission gear 6, the outer diameter of the gear shaft of the force reducing gear 7 and the outer diameter of the gear shaft of the handle gear 8.
Preferably, the lower surface of the lower thrust bearing 4 is attached to the upper surface of the bottom of the mounting box 10, the upper surface is attached to the lower surface of the lifting gear 2, and the upper surface of the lifting gear 2 is attached to the lower surface of the upper thrust bearing 3.
Preferably, the mounting box 10 further comprises an upper mounting edge 10-6 and a lower mounting edge 10-5, the mounting box 10 is connected with the top cover 11 through the upper mounting edge 10-6, and the mounting box 10 is fixedly connected with the mounting surface of the upright post through the lower mounting edge 10-5.
Preferably, the total length and the total width of the lower mounting edge 10-5 are larger than those of the upper mounting edge 10-6, and a plurality of mounting holes II 10-7 and III 10-8 are formed in the upper mounting edge 10-6 and the lower mounting edge 10-5.
Preferably, a plurality of mounting Kong 11-4 are arranged on the edge of the top cover 11, a semicircular hole II 11-1, a circular hole IV 11-2 and a circular hole V11-3 are arranged in the middle of the top cover, and one end of a screw rod of the lifting stud 1, the force reducing gear 7 and a gear shaft of the handle gear 8 respectively penetrate through the semicircular hole II 11-1, the circular hole IV 11-2 and the circular hole V11-3.
Preferably, the structural shape and the size of the semicircular hole II 11-1 are consistent with those of the semicircular hole I10-1, the aperture size of the circular hole IV 11-2 is consistent with that of the circular hole II 10-3, the aperture size of the circular hole V11-3 is consistent with that of the circular hole III 10-4, the hole distances among the semicircular hole II 11-1, the circular hole IV 11-2 and the circular hole V11-3 are consistent with those among the semicircular hole I10-1, the circular hole II 10-3 and the circular hole III 10-4, and the aperture sizes and the hole distances of the plurality of mounting holes Kong-11-4 are consistent with those of the plurality of mounting holes II 10-7.
The specific implementation process of the invention is as follows:
1) The wheels 5 are mounted on the mounting plates 1-2 of the lifting studs 1 and are connected through the mounting holes I1-3 of the mounting plates 1-2 by bolts.
2) The plane 1-1 of the lifting stud 1 is aligned with the plane of the semicircular hole I10-1, and the lifting stud 1 is mounted on the semicircular hole I10-1.
3) The lower thrust bearing 4 is mounted to the lift stud 1, and the lower surface of the lower thrust bearing 4 is fitted to the upper surface of the bottom of the mounting box 10.
4) The lifting gear 2 is attached to the lifting stud 1, and the lower surface of the lifting gear 2 is bonded to the upper surface of the lower thrust bearing 4.
5) The upper thrust bearing 3 is mounted to the lift stud 1, and the upper surface of the lift gear 2 is bonded to the lower surface of the upper thrust bearing 3.
6) The transmission gear 6 is arranged on the round hole I10-2, the force reducing gear 7 is arranged on the round hole II 10-3, the handle gear 8 is arranged on the round hole III 10-4, and each gear is guaranteed to be meshed in sequence.
7) The top cover 11 is mounted to the upper mounting edge 10-6 of the mounting box 10.
8) A handle 9 is mounted to the top end of the gear shaft of the force reducing gear 8.
9) After the entire lifting wheel is mounted, the mounting box 10 is fixed to the mounting surface of the column by the lower mounting edge 10-5 of the mounting box 10.
In the use process, the handle 9 is rocked to enable the wheel 5 to lift, and the function of lifting the wheel 5 can be conveniently realized through the handle 9 due to the fact that the screw transmission, the thrust bearing transmission and the gear mechanism are adopted to reduce force transmission.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (7)
1. The utility model provides a lifting wheel of stand which characterized in that: the lifting device comprises a lifting stud (1), a lifting gear (2), an upper thrust bearing (3), a lower thrust bearing (4), wheels (5), a transmission gear (6), a force reducing gear (7), a handle gear (8), a handle (9), a mounting box (10) and a top cover (11); one end of the lifting stud (1) is of a screw structure, the other end of the lifting stud is of a square mounting plate (1-2) structure, and one side of the screw is of a plane (1-1) structure; an internal thread (2-1) matched with the screw rod of the lifting stud (1) is arranged at the center of the lifting gear (2); the force reducing gear (7) comprises a force reducing pinion (7-1) and a force reducing bull gear (7-2), and the two gears are coaxially overlapped; the bottom surface of the mounting box (10) is provided with a semicircular hole I (10-1) for mounting the lifting stud (1), a circular hole I (10-2) corresponding to the mounting transmission gear (6), a circular hole II (10-3) corresponding to the mounting force reducing gear (7) and a circular hole III (10-4) corresponding to the mounting handle gear (8); the lifting gear (2), the upper thrust bearing (3) and the lower thrust bearing (4) are all sleeved on a screw rod of the lifting stud (1), the upper thrust bearing (3) and the lower thrust bearing (4) are respectively arranged at the upper end and the lower end of the lifting gear (2), one end of the transmission gear (6) is meshed with the lifting gear (2), the other end of the transmission gear is meshed with a force reducing pinion (7-1) of the force reducing gear (7), the force reducing gear (7-2) is meshed with one end of the handle gear (8), the other end of the handle gear (8) is connected with the handle (9), the wheel (5) is connected with a mounting plate (1-2) of the lifting stud (1), one end of the screw rod of the lifting stud (1) is mounted on a semicircular hole I (10-1) of the mounting box (10), the lifting gear (2), the upper thrust bearing (3) and the lower thrust bearing (4) which are sleeved on the screw rod are all arranged in the box (10), the transmission gear (6), the force reducing gear (7) and the handle gear (8) are all mounted on the circular hole II (10) of the mounting box (10) through the handle gear (3-10) and the mounting plate II (10) respectively, the top cover (11) is connected with the top of the mounting box (10), the bottom of the mounting box (10) is fixed on the upright post, a mounting hole I (1-3) is formed in a mounting plate (1-2) of the lifting stud (1), the semicircular arc radian of a semicircular hole I (10-1) on the bottom surface of the mounting box (10) is larger than the radius, one end of the plane is matched with the plane (1-1) on one side of a screw of the lifting stud (1), and the aperture of the semicircular hole I is matched with the outer diameter of the screw.
2. The lifting wheel of the upright according to claim 1, wherein: the apertures of the round hole I (10-2), the round hole II (10-3) and the round hole III (10-4) are respectively matched with the outer diameter of the gear shaft of the transmission gear (6), the outer diameter of the gear shaft of the force reducing gear (7) and the outer diameter of the gear shaft of the handle gear (8).
3. The lifting wheel of the upright according to claim 1, wherein: the lower surface of lower thrust bearing (4) is laminated with the upper surface of mounting box (10) bottom, and the upper surface is laminated with the lower surface of lifting gear (2), the upper surface of lifting gear (2) is laminated with the lower surface of upper thrust bearing (3).
4. The lifting wheel of the upright according to claim 1, wherein: the mounting box (10) further comprises an upper mounting edge (10-6) and a lower mounting edge (10-5), the mounting box (10) is connected with the top cover (11) through the upper mounting edge (10-6), and the mounting box (10) is fixedly connected with the mounting surface of the upright post through the lower mounting edge (10-5).
5. The lifting wheel of the upright of claim 4, wherein: the total length and the total width of the lower mounting edge (10-5) are larger than those of the upper mounting edge (10-6), and a plurality of mounting holes II (10-7) and mounting holes III (10-8) are formed in the upper mounting edge (10-6) and the lower mounting edge (10-5).
6. Lifting wheel for a column according to any one of claims 1 to 5, characterized in that: a plurality of mounting Kong (11-4) are arranged on the edge of the top cover (11), a semicircular hole II (11-1), a circular hole IV (11-2) and a circular hole V (11-3) are arranged in the middle of the top cover, and one end of a screw rod of the lifting stud (1), a force reducing gear (7) and a gear shaft of the handle gear (8) respectively penetrate through the semicircular hole II (11-1), the circular hole IV (11-2) and the circular hole V (11-3).
7. The lifting wheel of the upright of claim 6, wherein: the semicircular hole II (11-1) is identical to the semicircular hole I (10-1) in structural shape and size, the round hole IV (11-2) is identical to the round hole II (10-3) in pore size, the round hole V (11-3) is identical to the round hole III (10-4) in pore size, the hole distances among the semicircular hole II (11-1), the round hole IV (11-2) and the round hole V (11-3) are identical to those among the semicircular hole I (10-1), the round hole II (10-3) and the round hole III (10-4), and the hole sizes and the hole distances of the plurality of mounting Kong (11-4) are identical to those of the plurality of mounting holes II (10-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245021.9A CN111055629B (en) | 2019-12-06 | 2019-12-06 | Lifting wheel of upright post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245021.9A CN111055629B (en) | 2019-12-06 | 2019-12-06 | Lifting wheel of upright post |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111055629A CN111055629A (en) | 2020-04-24 |
| CN111055629B true CN111055629B (en) | 2024-04-02 |
Family
ID=70300039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911245021.9A Active CN111055629B (en) | 2019-12-06 | 2019-12-06 | Lifting wheel of upright post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111055629B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457861B (en) * | 2021-09-06 | 2021-12-14 | 创志科技(江苏)股份有限公司 | Conveying system for fluidized bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08268240A (en) * | 1995-03-31 | 1996-10-15 | Kakuwa Seiki Kk | Safety device in lifting leg |
| JP2005289179A (en) * | 2004-03-31 | 2005-10-20 | Sugiyasu Corp | Cargo-handling and conveying vehicle |
| CN105752622A (en) * | 2014-12-16 | 2016-07-13 | 哈尔滨市永恒鑫科技开发有限公司 | Mechanical driving type transmission platform used for mining exploitation |
| CN208084814U (en) * | 2018-02-28 | 2018-11-13 | 东泰精密塑胶科技(深圳)有限公司 | A kind of mold with elevating function |
| CN211390843U (en) * | 2019-12-06 | 2020-09-01 | 江西洪都航空工业集团有限责任公司 | Lifting wheel of upright post |
-
2019
- 2019-12-06 CN CN201911245021.9A patent/CN111055629B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08268240A (en) * | 1995-03-31 | 1996-10-15 | Kakuwa Seiki Kk | Safety device in lifting leg |
| JP2005289179A (en) * | 2004-03-31 | 2005-10-20 | Sugiyasu Corp | Cargo-handling and conveying vehicle |
| CN105752622A (en) * | 2014-12-16 | 2016-07-13 | 哈尔滨市永恒鑫科技开发有限公司 | Mechanical driving type transmission platform used for mining exploitation |
| CN208084814U (en) * | 2018-02-28 | 2018-11-13 | 东泰精密塑胶科技(深圳)有限公司 | A kind of mold with elevating function |
| CN211390843U (en) * | 2019-12-06 | 2020-09-01 | 江西洪都航空工业集团有限责任公司 | Lifting wheel of upright post |
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| Publication number | Publication date |
|---|---|
| CN111055629A (en) | 2020-04-24 |
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