CN1473530A - Variable load adjustable lifting storage cabinet - Google Patents
Variable load adjustable lifting storage cabinet Download PDFInfo
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- CN1473530A CN1473530A CNA031337813A CN03133781A CN1473530A CN 1473530 A CN1473530 A CN 1473530A CN A031337813 A CNA031337813 A CN A031337813A CN 03133781 A CN03133781 A CN 03133781A CN 1473530 A CN1473530 A CN 1473530A
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- accumulator
- lifting
- variable load
- controller housing
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Abstract
The variable load adjustable lifting storage cabinet includes storing cabinet, storing shelf, parallel right and left linking rods and right and left lifting controller. Inside the right and left lifting controller casing, there are main shaft connected to the driving link rod, linked moving body fixed to the driving link rod, energy accumulator hinged to the casing, and damping buffer with one end hinged to the pin shaft of the linked moving body. The energy accumulator has its end hinged to the casing board connected to base spring via drawing rope; the upper end of the drawing rope has handle controlled telescopic forked pin, and the energy accumulator has rigidity greater than that of the base spring. The present invention has the features of compact structure, easy manufacture, low cost, easy operation, etc.
Description
Technical field
The present invention relates to a kind of locker, particularly a kind of for kitchen use or storing position is that need easy of rise and can adapt to that bigger carrying changes and can carry out the variable load adjustable lifting locker that load balance is adjusted with its variable load scope than higher.
Background technology
At present, the locker that has a lowering or hoisting gear is generally electronic and manual two kinds of structures.The locker of electric structure limits because of being subjected to service condition, uses less; The locker that has the manual structure of lowering or hoisting gear is used more.According to external relevant patent documentation report, JP154610/1986 discloses a kind of " collection kitchen cabinet ".It directly drives spring by parallel linkage or inflator limits decrease speed, but spring and inflator are exposed to the outside, does not have the housing protection, uses dangerous; Be subjected to its structural limitations, spring and inflator can't be provided with rational resistance, are difficult for obtaining desirable buffering effect.JP148031/1995 discloses a kind of " collection portion lifting decline adjusting device ".It has increased the linkage of gear drive and rotary buffer composition, by being wrapped in the spring on the pivot fulcrum, utilization is in the different cooperations that limit locational latch of gear wheel, be complementary with elastic force and the rotary actuator that produces, adapt to the carrying of collection portion, to obtain safe decrease speed, though buffering effect is preferably arranged, but structure is comparatively complicated, and cost is higher.In addition, oil buffer is easily influenced by ambient temperature and cause its acting characteristic instability; Also because of helical spring is difficult to obtain fall accurately corresponding moment of torsion of caused moment variations with the storing subordinate as augmentor, so can't give full play to pooling feature.Domestic relevant patent documentation also has some reports, and disclosed according to Chinese patent 97190057.4 is " receiving portion lifting and supporting device " that has the interlock swivel plate.This liftable supporter is to be improved on the architecture basics of JP148031/1995, JP49700/1996 in the patent No..It adopts the existing liftable supporter with parallel linkage that is provided with in locker, the portion that wants of this liftable supporter is that the pivot fulcrum that is connected with parallel linkage connects the interlock swivel plate in housing, between interlock swivel plate and housing or locker medial surface, Direct Action Type buffer and spring body are set, suppress the rotating torque of interlock swivel plate with the braking moment of its generation.Though this liftable supporter makes the locker lifting can obtain certain buffering effect in the carrying scope of setting, but, require (shown in Figure 19-21) so can not adapt to the bigger equalising torque of load-carrying excursion because it can not come corresponding adjustment balanced rotation moment along with the variation of carrying weight.In this technology, two spring bodies in the left and right sides controller of liftable supporter are stretched in magazine decline process, have formed and the corresponding spring countertorque of load-carrying moment, in same carrying scope, this countertorque and gravitational moment change along with the variation of link rod corner.If the spring countertorque is roughly the same with the carrying gravitational moment, shown in figure (20), load-carrying M curve and spring countertorque curve shape are approaching more, and then balanced action is just good more.Spring can only be a kind of fixing countertorque, if storing is lighter, shown in figure (19), then relative countertorque is very big, and magazine is in the lower position instability, even can rebound automatically; If storing is heavier, gravity torque surpasses countertorque more greatly, and shown in figure (21), then the magazine decrease speed is accelerated, and forms big impact at terminal point, even can damage magazine.
The patent No. is disclosed among the CN99121802.7 " lifting/lowering storage device ", is to be improved on the architecture basics of JP127677/1999, JP180896/1999, JP212869/1999, JP212886/1999, JP240491/1999 etc. in the patent No..It also is to adopt the existing liftable supporter with parallel linkage that is provided with in locker, the portion that wants of this liftable supporter has adopted the volute spring of a cushioning effect to reach the buffer unit of damping action, the elastic force of one of them spring immobilizes, the elastic force of another spring is regulated by the adjusting device that inserts, throws off handover operation, come the scope of expanding equilibrium load, but exist volute spring processing difficulties, spring force to be not easy control, and cost is higher, it is bigger to take up space, and obviously reduces problems such as effective parking space.
The patent No. is disclosed among the CN00106253.0 " lifting/lowering storage device ", is to be improved on the architecture basics of JP149882/1999, JP25002/2000 etc. in the patent No..It still adopts the existing liftable supporter with parallel linkage that is provided with in locker, the portion that of this liftable supporter adopts special-shaped turning arm, makes the topmost of its storage rack can drop to the height roughly the same with the bottom of storing compartment.
In addition, be also to propose a kind of novel stop assembly in the JP97190057.4 patented technology in the patent No., be used to control the starting point and the final position of drive connecting rod, and play the effect of buffering.But it is made of a plurality of parts, and the structure relative complex is installed and made trouble, is unfavorable for applying.
The problem that the inventor once existed according to the lowering or hoisting gear that has locker now, designing a kind of patent No. is CN02211150.6 " rack elevator ", this device is made simple, compare with the lowering or hoisting gear of existing locker, this structure can produce desirable energy storage and buffering effect, makes the steady lifting of magazine.Its stressed distribution is more reasonable, has significantly improved the security reliability that this device uses, and has prolonged service life.The left and right lifting controller of lowering or hoisting gear is packed in respectively on the left and right inwall of locker.Assemble the damping buffer of its enclosure interior and an end of spring, be packed in respectively on the housing, the other end is hinged on respectively on the upper and lower active pin shaft with the affixed drive connecting rod of housing central rotating shaft.During use, magazine is pulled out from locker with handle.When magazine moves downward, left and right parallel rod rotates to the front lower place, drive connecting rod drives spring and stretches, produce opposing torque and energy storage, while compression damping buffer, air flows out by throttle orifice, has played cushioning effect, thereby controlled the speed that magazine descends, magazine is steadily descended until the limit inferior position.Passive connecting rod is connected with sleeve pipe, thereby has guaranteed the synchronous rotation of two lifting controllers and parallel linkage thereof.When magazine recovery home position moved upward, drive connecting rod drove spring reset, discharges energy storage and stretching damping buffer simultaneously, with the speed that the control magazine rises, made the steady rising of magazine until the limes superiors position, easily returned to reset condition.But find in actual applications, balance and energy storage requirement when the storing weight that left and right lifting controller is difficult to satisfy magazine changes in a big way, be that magazine is when the storing amount is light, suppression ratio is effort, and when the storing amount is heavier, the magazine decrease speed is very fast again, and it arrives the bottom and might clash into.In the patent No. is to disclose a kind of " rack elevator and loading mechanism " of setting up one group of load maintainer on the architecture basics of above-mentioned " rack elevator " among the CN02275299.4, it welds a ledge on the active link rod, or add a brace, be used to change the installation site of spring.It has kept the advantage of former rack elevator, and it is obvious to have the effect that adapts to the storing weight change.The effect of its tensioning apparatus just is used for the tensioning hauling rope, can not be used for the variation of balance carrying, so structure is still not ideal enough.
Summary of the invention
The purpose of this invention is to provide a kind of variable load adjustable lifting locker, it has compact conformation, easy to manufacture, cost is low, characteristics such as easy to operate, can adapt to bigger carrying changes, can carry out the load balance adjustment with its variable load scope again, significantly improve the gravitational moment of lowering or hoisting gear and countertorque counterbalance effect, magazine smooth decreasing, do not have and impact, return easily, freely.
The object of the present invention is achieved like this: this device comprises locker and its interior magazine of assembling and left and right sides parallel linkage thereof and has accumulator, the left and right sides lifting controller of damping buffer, its technical essential is: be assembled in the lifting controller housing of the left and right sides with the affixed main shaft of drive connecting rod on, near the fixedly connected interlock body of drive connecting rod end, the end is hinged on the accumulator on the lifting controller housing stressed plate and the other end of damping buffer respectively, being hinged on the interlock body respectively stretches on the interior bearing pin of lifting controller housing, the end that accumulator is hinged on lifting controller housing stressed plate connects basic spring by the hauling rope that has block, the telescopic bolt of handle control is arranged in the upper end that hauling rope is positioned at block, and accumulator rigidity is greater than basic spring rate.
Bearing pin on the above-mentioned main shaft on the close fixedly connected interlock body of drive connecting rod end passes the arc-shaped window on the lifting controller housing groove, an end of hinged accumulator and damping buffer, and the outside of groove and housing are provided with closed cover on the same plane.
Above-mentioned accumulator adopts spring or cylinder, and damping buffer adopts cylinder or the hydraulic cylinder with throttle orifice.
Above-mentioned accumulator and damping buffer are hinged on the bearing pin of lifting controller housing stressed plate or on the pulley of bearing pin.
Above-mentioned at the connecting portion of active link rod and main shaft or the connecting portion of interlock body and main shaft, reducing portion with two parallel side is set on main shaft, be provided with along diametric(al) in link rod axis hole corresponding or in the interlock axon hole and be symmetrical splayed extension mouth, the different corresponding swing engaging in portion inserts its mouthful on the main shaft with it.
Above-mentionedly have the inboard of axis hole sidewall or inboard that housing groove has the axis hole sidewall is provided with reinforcement or special-shaped stiffener at the lifting controller housing.
Above-mentioned the active link rod topmost initial position and final position bottom between on the panel of pairing controller housing, the buffering block of being made up of body and elastic insert is set.
Since the present invention be reach at " rack elevator " on the architecture basics of " magazine lifting load maintainer " improved, so still keep its compact conformation, easy to manufacture, cost is low, characteristics such as easy to operate, be easy to realize the magazine smooth decreasing, do not have impact, return easily, purpose freely.Utilization be assembled in the lifting controller housing of the left and right sides with the affixed main shaft of drive connecting rod on the interlock body, control is hinged on accumulator and the damping buffer on the lifting controller housing stressed plate respectively, and by having the hauling rope of block, be connected the different accumulator of rigidity and rigidity accumulator respectively according to different instructions for uses greater than basic spring, making it to adapt to less or bigger carrying changes, can carry out the load balance adjustment with its variable load scope again, significantly improve the counterbalance effect of the gravitational moment and the countertorque of lowering or hoisting gear.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a kind of concrete structure schematic diagram of the present invention.
Fig. 2 is the cutaway view of Fig. 1 along the A-A line.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the cutaway view of Fig. 3 along the B-B line.
Fig. 5 is the structural representation that the lifting controller housing groove is provided with reinforcement.
Fig. 6 is the structural representation that the lifting controller housing groove is provided with stiffener.
Fig. 7 is the cutaway view of Fig. 6 along the D-D line.
Fig. 8 is the cutaway view of Fig. 4 along the C-C line.
Fig. 9 is a kind of concrete structure schematic diagram of magazine.
Figure 10 is the drawing in side sectional elevation of a kind of concrete structure of Fig. 9 latus inframedium.
Figure 11 is a kind of concrete structure enlarged diagram of telescopic bolt among Fig. 3.
Figure 12 is the cutaway view of Figure 11 along the E-E line.
Figure 13 is a kind of concrete structure schematic diagram of block among Fig. 3.
Figure 14 is that the F of Figure 13 is to view.
Braking moment variation diagram when Figure 15 increases 0-25% for load-carrying under the variable load condition of the present invention.
Braking moment variation diagram when Figure 16 increases 25-50% for load-carrying under the variable load condition of the present invention.
Braking moment variation diagram when Figure 17 increases 50-75% for load-carrying under the variable load condition of the present invention.
Figure 18 is the braking moment variation diagram when load-carrying increases 75-100% under the variable load condition of the present invention.
Figure 19 is the braking moment variation diagram when load-carrying reduces 25-50% under the prior art variable load condition.
Figure 20 is the braking moment variation diagram under the prior art load-carrying equilibrium condition.
Figure 21 is the braking moment variation diagram when load-carrying increases 25-50% under the prior art variable load condition.
The specific embodiment
Describe the concrete structure of the present invention and the course of work in detail according to Fig. 1～21 and embodiment.This device be reach at " rack elevator " on the basis of basic structure of " magazine lifting load maintainer " improved.It has kept former locker 1 and its interior magazine 2 and left and right sides parallel linkage drive connecting rod 3, follower link 14 of assembling and has had the basic structure of the parts such as left and right sides lifting controller of accumulator 13, damping buffer 9.Its specification, model should be determined according to actual instructions for use.In left and right sides lifting controller housing 4, be assembled with the main shaft 16 affixed, near drive connecting rod 3 ends, be positioned at the fixedly connected interlock body 15 in the inboard or the outside that the lifting controller housing has the axis hole sidewall at main shaft 16 with drive connecting rod 3.One end of accumulator 13 and damping buffer 9 is hinged on respectively on the lifting controller housing stressed plate 8, also can be hinged on the bearing pin of stressed plate 8 or is hinged on the pulley that is set in bearing pin; The other end of accumulator 13 and damping buffer 9 is hinged on interlock body 15 respectively and stretches on the bearing pin 19 in the lifting controller housing 4.The hauling rope 12 of accumulator 13 ends by having block that wherein is hinged on the lifting controller housing stressed plate 8 connects basic spring 11, and the rigidity of accumulator 13 is greater than the rigidity of basic spring 11, and by basic spring 11 tensioning hauling ropes 12.The telescopic bolt 5 that handle control is arranged in the upper end that hauling rope 12 is positioned at block.When having the fixedly connected interlock in the outside body 15 of axis hole sidewall at the lifting controller housing, bearing pin 19 on the main shaft 16 on the close fixedly connected interlock body of drive connecting rod 3 ends, pass the arc-shaped window 17 on lifting controller housing 4 grooves, an end of hinged accumulator 13 and damping buffer 9.The outside of groove and housing are provided with closed cover 18 on the same plane, and it can insert, be pressed into, be installed on the groove of housing 4, to block the arc-shaped window 17 on controller housing 4 grooves.Accumulator 13 can adopt spring or cylinder, and present embodiment adopts spring.Damping buffer 9 can adopt cylinder or the hydraulic cylinder with throttle orifice, and present embodiment adopts the cylinder with throttle orifice.This device is provided with pre-tightening mechanism, promptly at active link rod 3 and the connecting portion of main shaft 16 or the connecting portion of interlock body 15 and main shaft 16, reducing portion with two parallel side is set on main shaft 16, be provided with along diametric(al) in link rod axis hole corresponding or in the interlock axon hole and be symmetrical splayed extension mouth 22 with it, reducing portion on the main shaft 16 inserts corresponding swing engaging in its mouthful, certain angle that in extension mouth 22, can dally, engaging then.In the inboard that has the axis hole sidewall of lifting controller housing 4 or the inboard that has the axis hole sidewall of housing groove reinforcement 20 or special-shaped stiffener 21 are set, to strengthen this place's axis hole intensity on every side.Active link rod 3 topmost initial position and final position bottom between on the panel of pairing controller housing 4, the buffering block of being made up of body 10 and elastic insert 29 is set.The accumulator rigidity that the end is hinged on respectively on the lifting controller housing stressed plate of the left and right sides can be selected identical or different according to actual needs.The structure of bearing pin is installed on drive connecting rod in the structure that bearing pin 19 is installed on this interlock body 15 and the prior art to be compared, promptly on drive connecting rod, make a projection bearing pin is installed, or be square pin and the position changing-over sheet on it of being connected in that two ends are installed on the drive connecting rod, obviously prior art constructions is comparatively complicated.Hauling rope has used chain in this example, has installed two long braces in the middle of two pitch chain bars additional, and telescopic front end is the bolt 5 of forked type, and the handle that is installed in positioner guarantees the position that it is accurately flexible.When using the rope form hauling rope, block can be made circular cone shape, and the front end of fork pin can be made into two fork-shapeds.In order to guarantee that magazine is in the accurate position on top and move to the final position that is accurate to of bottom, and the block of the buffering effect setting when two positions is compared with the block of proposition in the patent 97190057.4, have only a stamping parts body 10 and rubber, plastics or artificial synthetic elastomer 29, have the characteristics of good buffer effect simple in structure.When magazine drops to lowest positions, the follower link and the locker edge that are positioned at the below bump against, make half garden shape or special-shaped breach (not shown) in follower link 14 corresponding to the place at locker 1 edge, descend with the anglec of rotation of maximum to guarantee magazine 2.The structure of magazine 2 comprises parts such as top board 23, side plate 24, pin 25, base plate 26, back plate 27, median septum 28.Be fixed with the bearing pin of hinged drive connecting rod 3, follower link 14 upper ends respectively on its latus inframedium 24.
Specific implementation method:
During use, in magazine 2, place lighter items, utilize handle 7 that magazine 2 is pulled out from locker 1, carry out normal lifting.When magazine 2 when move in the front lower place, because the idle stroke that extension mouth 22 and main shaft 16 reducing portions cause, drive connecting rod 3 does not drive accumulator 13 and damping buffer 9, so pull out very light, turn over certain angle drive connecting rod 3 and driven accumulator 13 and damping buffer 9, latch was in and extracted the position this moment, basic spring 11 about so accumulator 13 has driven by hauling rope 12, since the rigidity of accumulator 13 greater than about the rigidity of basic spring 11, so about basic spring 11 at first be stretched, the beginning energy storage, be at this moment about two basic springs 11 work.Thereby controlled the decrease speed of magazine 2, the prolongation that makes magazine 2 steadily drop to drive connecting rod 3 is run into till the block.Two follower link 14 are fixing with sleeve pipe 6, thereby guaranteed two lifting controllers and left and right sides drive connecting rod 3 thereof, the synchronous rotation of the parallelogram linkage that follower link 14 constitutes.When magazine 2 needed the recovery initial position to move upward, drive connecting rod 3 drives accumulators 13 and damping buffer 9 resets, and during to initial position, the prolongation of drive connecting rod 3 is run into the upper end of block, had guaranteed buffering and location.
When placing in the magazine than heavy articles, need to increase the energy storage capacity that balances each other with gravity, push in the handle this moment, and it is aerial to make left bolt 5 enter two of chain, blocks chain it can not be moved upward.When magazine 2 when move the front lower place, left accumulator 13 moves downward under left bolt 5 drives.The right bolt 5 of another controller does not push, and is still right basic spring 11 and works, and is that left accumulator 13 and right basic spring 11 work at this moment, because the rigidity of left accumulator 13 is greater than the basic spring 11 in the right side, so this moment, bearing capacity strengthened.Promptly begin energy storage and counterbalance moment, controlled the decrease speed of magazine 2.When magazine 2 rose, left accumulator 13 and right basic spring 11 were released energy simultaneously, and when magazine was returned, feel was light.When the placement article increase the weight of again, can push right bolt 5, extract left bolt 5, constitute another combined right accumulator 13 and left basic spring 11, left basic spring 11 rigidity are greater than the basic spring 11 in the right side, and this moment in the nearly step of bearing capacity strengthens.When load increased to design maximum again, basic spring 11 all quit work about both sides bolt 5 all pushed, and constituted the groups of springs of rigidity maximum by left and right sides accumulator 13, in order to the load of balance maximum.So just can form four kinds of balancing spring moments (shown in Figure 15-18), in the larger context can be along with the variation of load the effective configuration trimming moment, make gravity torque (among the figure shown in the dotted line) curve and spring countertorque (among the figure shown in the solid line) curve, very approaching in whole process, guaranteed that in the scope of big varying duty, magazine can both steadily descend, do not had and impact, and when returning with hand push, very light again.In addition, motor-driven transmission device (not shown) being set, also can make magazine 2 realize electric up-downs with affixed main shaft 16 ends of drive connecting rod 3.
Claims (7)
1, a kind of variable load adjustable lifting locker, comprise its interior magazine of locker and assembling and left and right sides parallel linkage thereof and have accumulator, the left and right sides lifting controller of damping buffer, it is characterized in that: be assembled in the lifting controller housing of the left and right sides with the affixed main shaft of drive connecting rod on, near the fixedly connected interlock body of drive connecting rod end, the end is hinged on the accumulator on the lifting controller housing stressed plate and the other end of damping buffer respectively, being hinged on the interlock body respectively stretches on the interior bearing pin of lifting controller housing, the end that accumulator is hinged on lifting controller housing stressed plate connects basic spring by the hauling rope that has block, the telescopic bolt of handle control is arranged in the upper end that hauling rope is positioned at block, and accumulator rigidity is greater than basic spring rate.
2, variable load adjustable lifting locker according to claim 1, it is characterized in that: the bearing pin on the main shaft on the close fixedly connected interlock body of drive connecting rod end passes the arc-shaped window on the lifting controller housing groove, one end of hinged accumulator and damping buffer, the outside of groove and housing are provided with closed cover on the same plane.
3, according to right 1 or 2 described variable load adjustable lifting lockers, it is characterized in that: accumulator adopts spring or cylinder, and damping buffer adopts cylinder or the hydraulic cylinder with throttle orifice.
4, according to right 1 described variable load adjustable lifting locker, it is characterized in that: accumulator and damping buffer are hinged on the bearing pin of lifting controller housing stressed plate or on the pulley of bearing pin.
5, according to right 1 or 2 described variable load adjustable lifting lockers, it is characterized in that: at the connecting portion of active link rod and main shaft or the connecting portion of interlock body and main shaft, reducing portion with two parallel side is set on main shaft, be provided with along diametric(al) in link rod axis hole corresponding or in the interlock axon hole and be symmetrical splayed extension mouth, the different corresponding swing engaging in portion inserts its mouthful on the main shaft with it.
6, according to right 1 or 2 described variable load adjustable lifting lockers, it is characterized in that: have the inboard of axis hole sidewall or inboard that housing groove has the axis hole sidewall is provided with reinforcement or special-shaped stiffener at the lifting controller housing.
7, according to right 1 described variable load adjustable lifting locker, it is characterized in that: the active link rod topmost initial position and final position bottom between on the panel of pairing controller housing, the buffering block of being made up of body and elastic insert is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031337813A CN1188067C (en) | 2003-07-24 | 2003-07-24 | Variable load adjustable lifting storage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031337813A CN1188067C (en) | 2003-07-24 | 2003-07-24 | Variable load adjustable lifting storage cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1473530A true CN1473530A (en) | 2004-02-11 |
| CN1188067C CN1188067C (en) | 2005-02-09 |
Family
ID=34154338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031337813A Expired - Fee Related CN1188067C (en) | 2003-07-24 | 2003-07-24 | Variable load adjustable lifting storage cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN1188067C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104188574A (en) * | 2014-09-24 | 2014-12-10 | 于维恕 | Self-elevating rice bin |
| CN104257116A (en) * | 2014-09-10 | 2015-01-07 | 常州工学院 | Box body lifting structure of storage cabinet |
| CN108433369A (en) * | 2018-03-19 | 2018-08-24 | 成都亚工电子科技有限公司 | A kind of pallet slave mode liftable furred ceiling cabinet |
| CN110025144A (en) * | 2019-05-20 | 2019-07-19 | 温州大学 | A kind of adaptive load lift cabinet |
-
2003
- 2003-07-24 CN CNB031337813A patent/CN1188067C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104257116A (en) * | 2014-09-10 | 2015-01-07 | 常州工学院 | Box body lifting structure of storage cabinet |
| CN104188574A (en) * | 2014-09-24 | 2014-12-10 | 于维恕 | Self-elevating rice bin |
| CN108433369A (en) * | 2018-03-19 | 2018-08-24 | 成都亚工电子科技有限公司 | A kind of pallet slave mode liftable furred ceiling cabinet |
| CN110025144A (en) * | 2019-05-20 | 2019-07-19 | 温州大学 | A kind of adaptive load lift cabinet |
| CN110025144B (en) * | 2019-05-20 | 2023-11-07 | 温州大学 | Self-adaptive load lifting cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1188067C (en) | 2005-02-09 |
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