CN108163783B - Gear rack lifting device - Google Patents
Gear rack lifting device Download PDFInfo
- Publication number
- CN108163783B CN108163783B CN201711113035.6A CN201711113035A CN108163783B CN 108163783 B CN108163783 B CN 108163783B CN 201711113035 A CN201711113035 A CN 201711113035A CN 108163783 B CN108163783 B CN 108163783B
- Authority
- CN
- China
- Prior art keywords
- gear
- rack
- panel
- climbing
- 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.)
- Active
Links
Images
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
- B66F13/00—Common constructional features or accessories
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a gear rack lifting device, comprising: drive gear box, drive gear assembly, driven gear assembly and mounting bracket, drive gear box, drive gear assembly and driven gear assembly all install on the mounting bracket, and drive gear box includes drive gear, and drive gear assembly includes: the first external gear, the second external gear and the first climbing gear are sequentially and coaxially connected together, the first external gear is meshed with the driving gear, and the driven gear assembly comprises: the pile driving device comprises a driven outer gear and a second climbing gear, wherein the driven outer gear and the second climbing gear are coaxially connected together, the driven outer gear is meshed with the second outer gear, the first climbing gear and the second climbing gear are arranged side by side, and the first climbing gear and the second climbing gear are both used for meshing a pile leg rack. The invention enhances the bearing capacity of the gear rack lifting system and reduces the manufacturing and maintenance cost.
Description
Technical Field
The invention relates to the field of lifting platforms, in particular to a gear rack lifting device.
Background
The gear rack lifting system is a key part in the self-elevating ocean platform, and generally comprises a driving variable frequency motor, a gear train and other components, wherein the driving variable frequency motor drives the gear train to rotate, so that a pile leg rack meshed with the gear train drives a pile leg to realize the lifting or descending action of the ocean platform under the action of the gear train, and the performance of the gear rack lifting system directly influences the working efficiency of the ocean platform, so that the gear rack lifting system is very important for the optimization design of the device.
The existing gear rack lifting system is in a driving mode that one variable frequency motor drives one gear box, and when an ocean platform works, a plurality of gear boxes are usually adopted to run together to drive the ocean platform to finish lifting or descending actions.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
usually there is one to climb gear and spud leg rack toothing in the gear box, when a plurality of gear boxes adopt a plurality of inverter motor simultaneous drive to climb gear and spud leg rack toothing, because the different circumstances that can appear each of inverter motor characteristic and the meshing of same spud leg rack is asynchronous (the phenomenon of uneven carrying promptly), the bearing capacity that has reduced rack and pinion operating system just influences rack and pinion operating system's security, and simultaneously, the drive mode of a inverter motor drive gear box has increased rack and pinion elevating system's manufacturing cost, in addition, install a plurality of inverter motor and also make operating system's fault point increase, be unfavorable for operating system's maintenance and overhaul.
Disclosure of Invention
In order to solve the problems of poor bearing capacity and high cost of the conventional gear rack lifting system, the embodiment of the invention provides a gear rack lifting device. The technical scheme is as follows:
the embodiment of the invention provides a gear rack lifting device, which comprises: drive gear box, drive gear subassembly, driven gear subassembly and mounting bracket, drive gear box drive gear subassembly with driven gear subassembly all installs on the mounting bracket, drive gear box includes drive gear, drive gear subassembly includes: the first external gear, the second external gear and the first climbing gear are sequentially and coaxially connected together, the first external gear is meshed with the driving gear, and the driven gear assembly comprises: the pile driving device comprises a driven external gear and a second climbing gear, wherein the driven external gear and the second climbing gear are coaxially connected together, the driven external gear is meshed with the second external gear, the first climbing gear and the second climbing gear are arranged side by side, and the first climbing gear and the second climbing gear are both used for meshing a pile leg rack.
In one implementation of the embodiment of the invention, the driving gear box includes a mounting flange plate, the mounting flange plate is provided with notches at four angular positions, and the rack and pinion lifting device further includes: four moment of torsion dogs and moment of torsion dog mounting panel, four moment of torsion dogs arrange on the moment of torsion dog mounting panel, the mounting flange board with the moment of torsion dog mounting panel passes through bolted connection, the mounting flange board with when the moment of torsion dog mounting panel is connected, four moment of torsion dogs with the notch cooperation.
In another implementation of the embodiment of the present invention, the rack and pinion lift further includes four wedges disposed in the gap where the torque stop mates with the mounting flange plate.
In another implementation manner of the embodiment of the present invention, the mounting frame includes: the front panel, the middle panel and the rear panel are arranged in parallel, and the front panel, the middle panel and the rear panel are vertically connected with the transverse clapboards.
In another implementation manner of the embodiment of the present invention, the front panel is provided with mounting holes, and the mounting holes are used for placing the driving gear assembly and the driven gear assembly into the mounting frame.
In another implementation manner of the embodiment of the present invention, two front bearing seats are arranged on the middle panel, the front bearing seats are installed in front bearing seat holes on the middle panel, two rear bearing seats are arranged on the rear panel, and the rear bearing seats are installed in rear bearing seat holes on the rear panel.
In another implementation manner of the embodiment of the present invention, the driving gear assembly further includes a first front bearing and a first rear bearing, the first front bearing and the first rear bearing are coaxially connected to the first climbing gear, the first front bearing and the first rear bearing are disposed on two sides of the first climbing gear, the first front bearing is installed in the front bearing seat, and the first rear bearing is installed in the rear bearing seat.
In another implementation manner of the embodiment of the present invention, the driven gear assembly further includes a second front bearing and a second rear bearing, the second front bearing and the second rear bearing are coaxially connected to the second climbing gear, the second front bearing and the second rear bearing are disposed on two sides of the second climbing gear, the second front bearing is installed in the front bearing seat, and the second rear bearing is installed in the rear bearing seat.
In another implementation manner of the embodiment of the invention, snap-gauge plates are arranged in front of and behind the rear bearing seat, and the rear bearing seat fixes the first and second rear bearings therein through bolts and the snap-gauge plates.
In another implementation manner of the embodiment of the present invention, the rack and pinion lifting device includes a locking shoe, the locking shoe is fixedly connected to the mounting frame, two side surfaces of the locking shoe are arc surfaces, and the arc surfaces are concentrically arranged with the outer wall surface of the leg.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the driving gear assembly and the driven gear assembly are arranged in the gear rack lifting device, and the driving gear assembly is driven by the variable frequency motor to drive the driven gear assembly to rotate, so that the rotating speeds of the first climbing gear and the second climbing gear are consistent, the uneven load phenomenon caused by driving a plurality of climbing gears by a plurality of variable frequency motors can be effectively avoided, the bearing capacity of the gear rack lifting device is improved, and the stability of the device is enhanced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a structural diagram of a rack and pinion lifting device provided in an embodiment of the present invention;
fig. 2 is a top view of a rack and pinion lifting device provided in an embodiment of the present invention;
FIG. 3 is a diagram illustrating a gear train engagement relationship provided by an embodiment of the present invention;
fig. 4 is a front view of a rack and pinion lifting device provided in an embodiment of the present invention;
FIG. 5 is a block diagram of a drive gearbox provided by an embodiment of the present invention;
the symbols in the drawings represent the following meanings:
1-drive gearbox, 11-drive gear, 12-inverter motor, 13-mounting flange plate, 14-notch, 2-drive gear assembly, 21-first external gear, 22-second external gear, 23-first climbing gear, 24-first front bearing, 25-first rear bearing, 3-driven gear assembly, 31-driven external gear, 32-second climbing gear, 33-second front bearing, 34-second rear bearing, 4-mounting bracket, 41-front panel, 410-mounting hole, 42-middle panel, 420-front bearing bracket, 43-rear panel, 430-rear bearing bracket, 50-torque block mounting plate, 51-torque block, 52-wedge, 6-leg rack, 7-anti-loose tile plate, 8-clamping plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a structural diagram of a rack and pinion lifting device according to an embodiment of the present invention, and as shown in fig. 1, the rack and pinion lifting device includes: drive gear box 1, driving gear assembly 2, driven gear assembly 3 and mounting bracket 4, drive gear box 1, driving gear assembly 3 and driven gear assembly 4 are all installed on mounting bracket 4, and drive gear box 1 includes drive gear 11 (see fig. 2), and drive gear 11 is connected with the meshing of driving gear assembly 2, and driving gear assembly 2 includes: a first external gear 21, a second external gear 22 and a first climbing gear 23 (see fig. 3), wherein the first external gear 21, the second external gear 22 and the first climbing gear 23 are coaxially connected in sequence, the first external gear 21 is engaged with the driving gear 11, and the driven gear assembly 3 comprises: the outer driven gear 31 and the second climbing gear 32 (see fig. 3) are coaxially connected, the outer driven gear 31 is meshed with the second outer gear 22, the first climbing gear 23 and the second climbing gear 32 are arranged side by side, and the first climbing gear 23 and the second climbing gear 32 are both used for meshing with the leg rack 6.
It should be noted that, in the embodiment of the present invention, a plurality of driven gear assemblies 3 may be arranged, a first driven gear assembly 3 arranged to be engaged with the second external gear 22 of the driving gear assembly 2, and the remaining driven gear assemblies 3 may be arranged on the external gear of the previous driven gear assembly 3 in sequence, so that a plurality of climbing gears are jointly engaged with the leg rack 6, and stable lifting power is provided for the ship hull.
According to the embodiment of the invention, the driving gear assembly 2 and the driven gear assembly 3 are arranged in the rack-and-pinion lifting device, one variable frequency motor 12 drives the driving gear assembly 2 to drive the driven gear assembly 3 to rotate, so that the rotating speeds of the first climbing gear 23 and the second climbing gear 32 are consistent, the uneven load phenomenon caused by driving a plurality of climbing gears by a plurality of variable frequency motors 12 can be effectively avoided, the bearing capacity of the rack-and-pinion lifting device is improved, the stability of the device is enhanced, meanwhile, the manufacturing cost of the rack-and-pinion lifting device is reduced by using one variable frequency motor 12 to drive two climbing gears, and the number of installed driving variable frequency motors 12 is reduced, so that the number of fault points is reduced, and the later-stage maintenance and overhaul are.
Fig. 4 is a front view of a rack and pinion lifting device provided in an embodiment of the present invention, and referring to fig. 4, a driving gear box 1 includes a mounting flange plate 13, the mounting flange plate 13 is provided with notches 14 at four angular positions (see fig. 5), and the rack and pinion lifting device further includes: four torque blocks 51 and torque block mounting plate 50, four torque blocks 51 arrange on torque block mounting plate 50, and mounting flange board 13 passes through bolted connection with torque block mounting plate 50, and when mounting flange board 13 is connected with torque block mounting plate 50, four torque blocks 51 and notch 14 cooperate. In the embodiment of the present invention, four torque stoppers 51 are fixed on the torque stopper mounting plate 50, the torque stopper mounting plate 50 is disposed between the mounting frame 4 and the driving gear box 1, since the climbing gear and the leg rack 6 generate torque during engagement, and the gear train is mounted on the mounting frame 4, so that the torque is transmitted to the mounting frame 4, in order to avoid adverse effect of the torque on the device, the torque stopper mounting plate 50 may be disposed on the mounting frame 4, wherein the torque stopper 51 is fixed on the torque stopper mounting plate 50, when the torque stopper mounting plate 50 is connected with the mounting flange plate 13, the four torque stoppers 51 are engaged with the notch 14, the notch 14 limits the rotation tendency of the torque stopper 51 caused by the climbing gear and the leg rack 6, so that the torque stopper mounting plate 50 is disposed and the four torque stoppers 51 are disposed thereon to take the torque effect generated by the climbing gear and the leg rack engagement, the stability of the device is improved, simultaneously, the bolt that also can make fixedly connect mounting flange board 13 and moment of torsion dog mounting panel 5 does not undertake the effect of moment of torsion, prevents that the bolt from taking place to warp because of the moment of torsion effect, has improved the security of device.
Specifically, the torque block mounting plate 50 is provided with a bearing hole, and the bearing hole is formed in the torque block mounting plate 50 and used for fixedly mounting a bearing on the driving gear 11, so that the driving gear 11 can stably output, and the stability is improved.
Specifically, the rack and pinion lift further includes four wedges 52 (see fig. 4), the four wedges 52 being disposed at the gap where the torque block 51 mates with the mounting flange plate 13. The placement of the four wedges 52 in the gaps where the torque stop 51 mates with the mounting flange plate 13 allows the torque generated when the rack and pinion gears are engaged to be fully transferred to the torque stop 51, enhancing the ability of the torque stop 51 to carry torque. Bosses are arranged on the four wedge blocks 52, boss grooves are formed in the mounting flange plate 13 connected with the four wedge blocks and used for being matched with the bosses on the wedge blocks 52, the effect of connecting the wedge blocks 52 is achieved, the wedge blocks 52 are prevented from being loosened when the wedge blocks 52 transmit torque, and the stability of the wedge blocks 52 is improved.
As shown in fig. 2, the mount 4 includes: the front panel 41, the middle panel 42, the rear panel 43 and a plurality of transverse partition plates, wherein the front panel 41, the middle panel 42 and the rear panel 43 are arranged in parallel, and the front panel 41, the middle panel 42 and the rear panel 43 are vertically connected with the transverse partition plates. The three panels and the transverse partition plates are connected to form a support with a protection effect, so that a gear train arranged in the mounting frame 4 can be protected, the driving gear assembly 2 and the driven gear assembly 3 in the gear train are meshed and then limited and fixed by the mounting frame 4, and therefore the mounting frame 4 is arranged to improve the stability of the device.
In the above implementation, the front panel 41 is provided with a mounting hole 410, and the mounting hole 410 is used for placing the driving gear assembly 2 and the driven gear assembly 3 into the mounting frame 4. Set up mounting hole 410 in panel 41 in the front and can make the pinion assembly 2 and driven gear assembly 3 install to mounting bracket 4 through this mounting hole 410 in, it is more convenient to make the installation, after the installation, available bolt is installed torque block mounting panel 5 in panel 41 in the front, plugs up mounting hole 410 in panel 41 in the front, prevents the interference of other parts to the gear train, has improved the security, uses the detachable mounting means, and the installation and the maintenance of the device of being convenient for detect.
Specifically, the middle panel 42 is provided with two front bearing seats 420, which are mounted in front bearing seat holes on the middle panel, and the rear panel 43 is provided with two rear bearing seats 430, which are mounted in rear bearing seat holes on the rear panel. The middle panel 42 and the rear panel 43 are provided with bearing seats which can be used for sleeving front bearings and rear bearings on the driving gear assembly 2 and the driven gear assembly 3, so that the gear train is supported and loaded, and the stability of the device is improved.
More specifically, the driving gear assembly 2 further includes a first front bearing 24 and a first rear bearing 25, the first front bearing 24 and the first rear bearing 25 are coaxially connected with the first climbing gear 23, the first front bearing 24 and the first rear bearing 25 are disposed at both sides of the first climbing gear 23, the first front bearing 24 is mounted in the front bearing seat 420, the first rear bearing 25 is mounted in the rear bearing seat 430, the driven gear assembly 3 further includes a second front bearing 33 and a second rear bearing 34, the second front bearing 33 and the second rear bearing 34 are coaxially connected with the second climbing gear 32, the second front bearing 33 and the second rear bearing 34 are disposed at both sides of the second climbing gear 32, the second front bearing 33 is mounted in the front bearing seat 420, and the second rear bearing 34 is mounted in the rear bearing seat 430. The front bearing and the rear bearing are arranged on the two sides of the climbing gear, so that the functions of supporting a gear train and protecting the climbing gear can be achieved, the climbing gear is prevented from being abraded due to collision with other coaxial gears, and the stability of the gear train is improved.
As shown in fig. 2, the rear bearing seat 430 is provided with clamping plates 8 at the front and rear, and the rear bearing seat 430 fixes the first and second rear bearings therein through bolts and the clamping plates 8. The first and second rear bearings are fixed on the rear bearing seat 430 by bolts and clamping plates 8 arranged in front of and behind the rear bearing seat 430, so that the driven gear assembly 3 is limited to move along the axial direction, and the stability of the gear and rack lifting device is improved.
Specifically, rack and pinion elevating gear includes locking shingle 7, and locking shingle 7 one side and mounting bracket 4 fixed connection, locking shingle 7 both sides face is the arc surface, and the arc surface arranges with the spud leg outer wall is concentric. Set up locking shingle 7 and spud leg are arranged with one heart on rack and pinion elevating gear's mounting bracket 4, if produce the offset of perpendicular to spud leg axial direction between spud leg rack 6 and the gear that climbs, then the arc surface of locking shingle 7 can offset with the spud leg outer wall, prevents to continue to produce the offset between spud leg rack 6 and the gear that climbs, has strengthened rack and pinion elevating gear's stability.
Fig. 5 is a structural view of a drive gear box according to an embodiment of the present invention, and referring to fig. 5, the drive gear box 1 further includes: and the variable frequency motor 12 is arranged at the input end of the driving gear box 1 and used for driving the driving gear 11 to rotate, and provides motive power for the gear rack lifting device.
As shown in fig. 1, when the gear rack lifting device drives the ocean platform to lift or fall, firstly, the front panel 41, the middle panel 42, the rear panel 43 and a plurality of diaphragm plates need to be welded to form the mounting frame 4, then the driving gear assembly 2 and the driven gear assembly 3 are sent into the mounting frame 4 through the mounting hole 410 on the front panel 41 to be fixed, the mounting hole 410 is sealed by the mounting plate 5 of the torque block after the fixation of the gear train is completed, then the mounting flange plate 13 on the driving gear box 1 is connected with the torque block mounting plate 5, the wedge block 52 is inserted into the gap between the mounting flange plate 13 and the torque block 51, the torque generated by the engagement of the gear and the rack is fully transmitted to the torque block 51, then, two climbing gears on the gear train are in butt joint with the pile leg rack 6, and then the mounting frame 4 is welded and fixed on the ship body, so that the installation of the gear rack lifting device is completed. When the device is used, the variable frequency motor 12 is started to drive the gear train to rotate, so that the pile leg rack 6 generates upward or downward displacement under the meshing action of the climbing gear, and the lifting function of the device is realized.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A rack and pinion lift, comprising: drive gear box, drive gear subassembly, driven gear subassembly and mounting bracket, drive gear box drive gear subassembly with driven gear subassembly all installs on the mounting bracket, drive gear box includes drive gear, drive gear subassembly includes: the first external gear, the second external gear and the first climbing gear are sequentially and coaxially connected together, the first external gear is meshed with the driving gear, and the driven gear assembly comprises: the driven outer gear and the second climbing gear are coaxially connected together, the driven outer gear is meshed with the second outer gear, the first climbing gear and the second climbing gear are arranged side by side and are used for meshing a pile leg rack, the first climbing gear and the second climbing gear are meshed on the same pile leg rack,
the gear rack lifting device comprises a locking tile plate, the locking tile plate is fixedly connected with the mounting rack, two side faces of the locking tile plate are arc faces, and the arc faces and the outer wall face of the pile leg are concentrically arranged.
2. The rack and pinion lift apparatus of claim 1 wherein the drive gear box includes a mounting flange plate having notches at four angular positions, the rack and pinion lift apparatus further comprising: four moment of torsion dogs and moment of torsion dog mounting panel, four moment of torsion dogs arrange on the moment of torsion dog mounting panel, the mounting flange board with the moment of torsion dog mounting panel passes through bolted connection, the mounting flange board with when the moment of torsion dog mounting panel is connected, four moment of torsion dogs with the notch cooperation.
3. The rack and pinion lift of claim 2 further comprising four wedges disposed at the gap where the torque stop engages the mounting flange plate.
4. The rack and pinion lift of claim 2 wherein said mounting bracket comprises: the front panel, the middle panel and the rear panel are arranged in parallel, and the front panel, the middle panel and the rear panel are vertically connected with the transverse clapboards.
5. The rack and pinion lift of claim 4 wherein the front panel has mounting holes formed therein for receiving the drive gear assembly and the driven gear assembly into the mounting bracket.
6. The rack and pinion lift device of claim 5, wherein the center panel has two front bearing seats mounted therein, the rear panel has two rear bearing seats mounted therein, and the front bearing seats are mounted in front bearing seat holes in the center panel.
7. The rack and pinion lift apparatus of claim 6 wherein the pinion assembly further comprises a first front bearing and a first rear bearing, the first front bearing and the first rear bearing being coaxially coupled to the first climb gear, the first front bearing and the first rear bearing being disposed on opposite sides of the first climb gear, the first front bearing being mounted within the front bearing housing and the first rear bearing being mounted within the rear bearing housing.
8. The rack and pinion lift apparatus of claim 7 wherein the driven gear assembly further comprises a second front bearing and a second rear bearing, the second front bearing and the second rear bearing being coaxially coupled to the second climb gear, the second front bearing and the second rear bearing being disposed on opposite sides of the second climb gear, the second front bearing being mounted within the front bearing housing and the second rear bearing being mounted within the rear bearing housing.
9. The rack and pinion lift assembly of claim 8 wherein said rear bearing support has snap-in tabs disposed on the front and rear sides thereof, said rear bearing support having said first rear bearing and said second rear bearing secured thereto by bolts and said snap-in tabs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711113035.6A CN108163783B (en) | 2017-11-13 | 2017-11-13 | Gear rack lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711113035.6A CN108163783B (en) | 2017-11-13 | 2017-11-13 | Gear rack lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108163783A CN108163783A (en) | 2018-06-15 |
| CN108163783B true CN108163783B (en) | 2020-03-17 |
Family
ID=62526992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711113035.6A Active CN108163783B (en) | 2017-11-13 | 2017-11-13 | Gear rack lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108163783B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736281A (en) * | 2019-01-04 | 2019-05-10 | 武汉船用机械有限责任公司 | Gear rack lifting system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145126A (en) * | 1994-11-17 | 1996-06-04 | Nikon Corp | Gear unit |
| CN201795010U (en) * | 2010-09-20 | 2011-04-13 | 康凤明 | Novel elevation adjusting device |
| CN102149944A (en) * | 2009-03-09 | 2011-08-10 | 三菱重工业株式会社 | Rectilinear motion device |
| CN203008873U (en) * | 2013-01-22 | 2013-06-19 | 关春阳 | Rack type twin-well oil pumping unit |
| CN103499455A (en) * | 2013-09-04 | 2014-01-08 | 武汉船用机械有限责任公司 | Testing device of self-elevating ocean platform |
| CN203446496U (en) * | 2013-08-06 | 2014-02-26 | 成都松川雷博机械设备有限公司 | Dual-drive lamination device |
| CN203821358U (en) * | 2014-01-21 | 2014-09-10 | 武汉船用机械有限责任公司 | Gear and rack type platform lifting system |
| CN104080367A (en) * | 2011-12-27 | 2014-10-01 | 尤利乌斯·布卢姆有限公司 | Synchronisation device for a drawer |
| CN105369792A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Speed reducing device of gear-and-rack type lifting system and gear-and-rack type lifting system |
| CN105465306A (en) * | 2015-12-14 | 2016-04-06 | 武汉船用机械有限责任公司 | Gear and rack lifting mechanism |
| CN106167221A (en) * | 2016-07-28 | 2016-11-30 | 廖忠民 | Timing Belt main transmission balanced drive Gear-and-rack elevator |
-
2017
- 2017-11-13 CN CN201711113035.6A patent/CN108163783B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145126A (en) * | 1994-11-17 | 1996-06-04 | Nikon Corp | Gear unit |
| CN102149944A (en) * | 2009-03-09 | 2011-08-10 | 三菱重工业株式会社 | Rectilinear motion device |
| CN201795010U (en) * | 2010-09-20 | 2011-04-13 | 康凤明 | Novel elevation adjusting device |
| CN104080367A (en) * | 2011-12-27 | 2014-10-01 | 尤利乌斯·布卢姆有限公司 | Synchronisation device for a drawer |
| CN203008873U (en) * | 2013-01-22 | 2013-06-19 | 关春阳 | Rack type twin-well oil pumping unit |
| CN203446496U (en) * | 2013-08-06 | 2014-02-26 | 成都松川雷博机械设备有限公司 | Dual-drive lamination device |
| CN103499455A (en) * | 2013-09-04 | 2014-01-08 | 武汉船用机械有限责任公司 | Testing device of self-elevating ocean platform |
| CN203821358U (en) * | 2014-01-21 | 2014-09-10 | 武汉船用机械有限责任公司 | Gear and rack type platform lifting system |
| CN105369792A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Speed reducing device of gear-and-rack type lifting system and gear-and-rack type lifting system |
| CN105465306A (en) * | 2015-12-14 | 2016-04-06 | 武汉船用机械有限责任公司 | Gear and rack lifting mechanism |
| CN106167221A (en) * | 2016-07-28 | 2016-11-30 | 廖忠民 | Timing Belt main transmission balanced drive Gear-and-rack elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108163783A (en) | 2018-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10988013B2 (en) | Electric drive system for motor vehicle and motor vehicle using same | |
| US7198130B2 (en) | V-drive motor arrangement | |
| CN106013028A (en) | Ocean platform lifting device | |
| CN108163783B (en) | Gear rack lifting device | |
| JP4924670B2 (en) | Main parts mounting structure in the motor room of the vehicle | |
| KR20140075035A (en) | Modularized component and assembling method thereof for electric vehicle | |
| CN105369792A (en) | Speed reducing device of gear-and-rack type lifting system and gear-and-rack type lifting system | |
| CN108146211A (en) | A kind of suspension system and electric vehicle | |
| EP3342614A1 (en) | Subframe assembly | |
| CN204998322U (en) | Power drive system that car was used and used car of this power drive system | |
| CN109435976B (en) | Storage battery engineering vehicle | |
| CN111478654A (en) | Double-drive multi-drive arbitrary-angle double-shaft tracking support | |
| CN217632766U (en) | Rear rack of wind generating set | |
| CN213230244U (en) | Belt conveyor head device capable of adjusting installation angle of motor | |
| CN220701299U (en) | Construction platform protective structure of photovoltaic on water | |
| CN215752902U (en) | Anti-slip mechanism of binding bridge | |
| CN214879498U (en) | Engine rotor hoisting device suitable for different centrobaries | |
| CN217824858U (en) | Track connection structure for fixing photovoltaic module | |
| CN217259683U (en) | Fixing structure of horizontal adjusting motor of automobile electric seat | |
| CN220822943U (en) | Power supply structure for network photovoltaic power station | |
| CN221096711U (en) | Emergency yaw device of wind generating set | |
| CN219115224U (en) | Shell type chassis of high-horsepower tractor | |
| CN211278310U (en) | Overturning rack for assembling loader cab | |
| CN214465816U (en) | Mounting bracket of automobile engine | |
| CN219789917U (en) | Charging seat mounting structure and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |