CN203093844U - Hydraulically-driven synchronizing mechanism of full-automatic multifunctional stretchable motor home - Google Patents
Hydraulically-driven synchronizing mechanism of full-automatic multifunctional stretchable motor home Download PDFInfo
- Publication number
- CN203093844U CN203093844U CN 201220716830 CN201220716830U CN203093844U CN 203093844 U CN203093844 U CN 203093844U CN 201220716830 CN201220716830 CN 201220716830 CN 201220716830 U CN201220716830 U CN 201220716830U CN 203093844 U CN203093844 U CN 203093844U
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- wallboard
- slide bar
- synchronizer gear
- flexible
- telescopic chute
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Abstract
The utility model discloses a hydraulically-driven synchronizing mechanism of a full-automatic multifunctional stretchable motor home. A left sliding rod synchronizing mechanism is mounted at the left end of a base frame stretchable slide way framework, and a right sliding rod synchronizing mechanism is mounted at the right end of the base frame stretchable slide way framework. The left sliding rod synchronizing mechanism is connected with a left sliding rod which slides in a stretchable mode, and the right sliding rod synchronizing mechanism is connected with a right sliding rod which slides in a stretchable mode. Each sliding rod synchronizing mechanism comprises a stretchable slide way framework, wherein a connecting lug is arranged below the stretchable slide way framework in a connected mode, and a synchronous rotating shaft is mounted in the connecting lug. A left idler wheel A, a right idler wheel A and a synchronizer gear A are mounted outside the synchronous rotating shaft below a stretchable slide way framework A. A synchronous rack A meshed with the synchronizer gear A is mounted below the sliding rod in the stretchable slide way framework A, and the left idler wheel A and the right idler wheel A make contact with the lower surface of the sliding rod. A left idler wheel B, a right idler wheel B and a synchronizer gear B are mounted outside the synchronous rotating shaft below a stretchable slide way framework B. A synchronous rack B meshed with the synchronizer gear B is mounted below the sliding rod in the stretchable slide way framework B, and the left idler wheel B and the right idler wheel B make contact with the lower surface of the sliding rod in the stretchable slide way framework B. The sliding rods are connected with side wallboard beams, and the side wallboard beams are driven by a telescopic oil cylinder.
Description
Technical field
The utility model relates to the flexible caravan of full-automatic multi-functional, particularly relates to the flexible caravan hydraulic pressure of full-automatic multi-functional and drives synchronizer gear.
Background technology
Geoexploration, natural resources investigation or rescue and relief work etc., need work in the open air or lodge, existing method is to build tent, it is cumbersome to build tent, particularly will select the place everywhere, carrying is loaded need look for transportation means in addition, and the interior sanitary condition of tent of building on the ground is poor, therefore, people have designed relevant garage in recent years.Garage needs to expand to both sides in use, and the time spent is not shrunk to and the automobile corresponding width, so top board as garage, the floor, both sides wallboard and front and back wallboard will have one group of telescoping mechanism, particularly the flexible of floor and both sides wallboard need be driven by many groups hydraulically extensible oil cylinder usually, but existing hydraulically extensible oil cylinder does not have synchronizer gear, just when electronic control, stretch together, therefore often exist action inconsistent, wallboard hydraulically extensible oil cylinder is on one side stretched out earlier or indentation, telescopic oil cylinder drives slide bar and stretches out or indentation, and the hydraulically extensible oil cylinder of wallboard another side is not caught up with, and causes the slide bar of another side stuck, influences the flexible of car load.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming that prior art exists, providing a kind of reaches many groups telescopic oil cylinder on the underframe and slide bar to stretch out synchronously or indentation, avoid slide bar stuck, guarantee the car load expanding-contracting action flexible caravan hydraulic pressure drive of full-automatic multi-functional smoothly synchronizer gear.
The technical scheme that the flexible caravan hydraulic pressure of the utility model full-automatic multi-functional drives synchronizer gear is: the operator's compartment that comprises caravan, accommodation and work chamber, described work chamber is an expansion tank, central deck is arranged on work chamber, the work chamber both sides are provided with flexible wallboard in a left side and right flexible wallboard, on a left side, right flexible wallboard top respectively is provided with top board sliding extension device, on a left side, right flexible wallboard bottom respectively is provided with the floor, the floor is the translation folded form, on a left side, before right flexible wallboard both sides respectively are provided with, rear wall plate translation retractor device, it is characterized in that: under two, the left and right sides of the telescopic chute frame of described underframe the slide bar synchronizer gear is installed respectively, about two groups of slide bar synchronizer gears connect a left side separately, the slide bar of right telescopic slide, described slide bar synchronizer gear is included under each telescopic chute frame and is shaped on the connection ear, synchronous turning cylinder is installed in connecting ear, synchronous turning cylinder under telescopic chute frame A is installed left wheel A outward therein, right roller A and synchronizer gear A, synchronous tooth bar A is installed under the slide bar in telescopic chute frame A, tooth bar A is meshed with synchronizer gear A synchronously, a left side, right roller A contacts below slide bar, synchronous turning cylinder under another root telescopic chute frame B is installed left wheel B outward therein, right roller B and synchronizer gear B, synchronous tooth bar B is installed under the slide bar in telescopic chute frame B, tooth bar B is meshed with synchronizer gear B synchronously, a left side, contact below the slide bar among right roller B and the telescopic chute frame B, slide bar connects the framed side wallboard crossbeam, and the framed side wallboard crossbeam is driven by the piston rod of telescopic oil cylinder.
The utility model discloses the flexible caravan hydraulic pressure of a kind of full-automatic multi-functional and drive synchronizer gear, when the work chamber of flexible caravan will trail to the left and right sides, at first the piston rod by two groups or more telescopic oil cylinder promotes the framed side wallboard crossbeam left and to the right, even the piston rod of telescopic oil cylinder is not protruding synchronously, and the framed side wallboard crossbeam connects the slide bar of the same side in the piston rod of many group telescopic oil cylinders and the telescopic chute frame simultaneously, after the framed side wallboard crossbeam is extrapolated, the slide bar that the framed side wallboard crossbeam drives wherein in one group of telescopic chute frame stretches out, slide bar drives synchronous tooth bar A and outwards moves, tooth bar A drives synchronizer gear A rotation synchronously, synchronizer gear A drives synchronous turning cylinder rotation, turning cylinder drives synchronizer gear B rotation synchronously, synchronizer gear B drives synchronous tooth bar B and outwards moves, slide bar among the telescopic chute of the tooth bar B drive synchronously frame B is protruding, pass through synchronizer gear, tooth bar and turning cylinder synchronously synchronously, these two groups of slide bars can be stretched out synchronously, avoid producing stuck phenomenon, and slide bar drive framed side wallboard crossbeam stretches out synchronously, the framed side wallboard crossbeam drives the piston rod of respectively organizing telescopic oil cylinder and stretches out synchronously, thereby make and respectively organize telescopic oil cylinder and also reach synchronous effect, guaranteed that the operation of car load expanding-contracting action is smooth and easy.
The flexible caravan hydraulic pressure of the utility model full-automatic multi-functional drives synchronizer gear, and the slide bar synchronizer gear that install down at described telescopic chute frame two connects two groups and two groups with upper slide bar.Can many group slide bar synchronizer gears be installed respectively according to the quantity of telescopic chute frame on the underframe.Described top board sliding extension device comprises on the flexible wallboard in a left side the second from left level top board is set, on the right flexible wallboard right secondary top board is set, the second from left level top board head is installed left wheel, right secondary top board head is installed right roller, left and right secondary top board just shifts to install, upper plate slideway and lower roof plate slideway are set under central deck, and the upper plate slideway matches with the left wheel of the second from left level top board, and the lower roof plate slideway matches with the right roller of right secondary top board.Described floor translation folded form comprises underframe, under the underframe wheel is arranged, the telescopic chute frame on floor is installed on the underframe, telescopic chute frame sidewall is installed telescopic oil cylinder, have left telescopic chute and right telescopic chute in the telescopic chute frame, on a left side, in the right telescopic chute slide bar is installed respectively, described slide bar connects the framed side wallboard crossbeam of the left and right sides, connect a left side on the framed side wallboard crossbeam, right flexible wallboard, the inboard piston rod that connects telescopic oil cylinder of framed side wallboard crossbeam, a left side, right flexible wallboard sidewall is installed support cylinder, a described left side, on the right flexible wallboard floor is installed, have long emissions groove in the floor, No. one connecting strap is installed on the floor down, and No. two floors and No. three floors, mounting center floor on the telescopic chute frame are installed on slide bar, No. two, connect hinge between No. three floors, hinge connects the floor thrust unit down, and floor thrust unit and slide bar sidewall fix, and triangle lifting frame is installed under No. two floors, the lifting pulley is installed on slide bar, and the lifting pulley contacts with triangle lifting frame.Before described, rear wall plate translation retractor device is included in a left side, each installs preceding first wallboard and back first wallboard before and after the right flexible wallboard, preceding first wallboard connects preceding second wallboard, back first wallboard connects back second wallboard, preceding second wallboard connects preceding the 3rd wallboard, back second wallboard connects back the 3rd wallboard, before, back the 3rd wallboard fixes with central deck and floor, center respectively up and down, preceding, respectively install and fix slide rail under first wallboard of back, preceding, back second wallboard is installed second roller down, second roller contacts with fixed rack, preceding, back second wallboard, one side is installed second pulley, preceding, the back installs and fixes chute on the 3rd wallboard, and second pulley contacts with fixing chute.
Description of drawings
Fig. 1 is the deployed condition schematic perspective view of the flexible caravan of full-automatic multi-functional;
Fig. 2 is the contraction state schematic side view of the flexible caravan of full-automatic multi-functional;
Fig. 3 is the schematic top plan view that the telescopic chute frame is installed on the underframe;
Fig. 4 is the schematic top plan view that the slide bar of telescopic chute frame on the underframe partly stretches out state;
Fig. 5 is the structural representation that the flexible caravan hydraulic pressure of full-automatic multi-functional drives synchronizer gear;
Fig. 6 is the schematic perspective view that left and right roller and synchronizer gear are installed on the synchronous turning cylinder;
Fig. 7 is the structural representation that top board sliding extension device is set on the left and right flexible wallboard;
Fig. 8 is the folding state structural representation of floor translation folded form;
Fig. 9 is the deployed condition structural representation of floor translation folded form;
Figure 10 is that the master of forward and backward wallboard translation retractor device looks scheme drawing;
Figure 11 is the schematic top plan view of forward and backward wallboard translation retractor device.
The specific embodiment
The utility model relates to the flexible caravan hydraulic pressure of a kind of full-automatic multi-functional and drives synchronizer gear, as Fig. 1-shown in Figure 11, the operator's compartment 1 that comprises caravan, accommodation 2 and work chamber 3, described work chamber is an expansion tank, central deck 6 is arranged on work chamber, the work chamber both sides are provided with flexible wallboard 7 in a left side and right flexible wallboard 8, on a left side, right flexible wallboard 7,8 tops respectively are provided with top board sliding extension device, on a left side, right flexible wallboard 7,8 bottoms respectively are provided with the floor, the floor is the translation folded form, on a left side, right flexible wallboard 7, before 8 both sides respectively are provided with, rear wall plate translation retractor device, it is characterized in that: under two, the left and right sides of the telescopic chute frame 18 of described underframe 17 the slide bar synchronizer gear is installed respectively, about two groups of slide bar synchronizer gears connect a left side separately, the slide bar 22 of right telescopic slide, described slide bar synchronizer gear is included in each telescopic chute frame and is shaped on connection ear 71 for 18 times, synchronous turning cylinder 72 is installed in connecting ear, synchronous turning cylinder under telescopic chute frame A73 is installed left wheel A74 outward therein, right roller A75 and synchronizer gear A76, slide bar in telescopic chute frame A73 is installed synchronous tooth bar A77 for 22 times, tooth bar A is meshed with synchronizer gear A76 synchronously, a left side, right roller A74,75 contact below slide bar 22, outside the synchronous turning cylinder under another root telescopic chute frame B78 72 left wheel B79 are installed therein, right roller B80 and synchronizer gear B81, slide bar in telescopic chute frame B78 is installed synchronous tooth bar B82 for 22 times, tooth bar B is meshed with synchronizer gear B81 synchronously, a left side, right roller B79,80 with telescopic chute frame B in slide bar below contact, slide bar connects framed side wallboard crossbeam 29, and framed side wallboard crossbeam 29 is driven by the piston rod 31 of telescopic oil cylinder 19.When the work chamber 3 of flexible caravan will trail to the left and right sides, at first the piston rod 31 by two groups or more telescopic oil cylinder 19 promotes framed side wallboard crossbeam 29 left and to the right, even the piston rod of telescopic oil cylinder 19 31 is not protruding synchronously, and framed side wallboard crossbeam 29 connects the slide bar 22 of the same side in the piston rod of many group telescopic oil cylinders and the telescopic chute frame 18 simultaneously, after the framed side wallboard crossbeam is extrapolated, the slide bar that framed side wallboard crossbeam 29 drives wherein in one group of telescopic chute frame stretches out, slide bar 22 drives synchronous tooth bar A77 and outwards moves, tooth bar A drives synchronizer gear A76 rotation synchronously, synchronizer gear A drives synchronous turning cylinder 72 rotations, turning cylinder drives synchronizer gear B81 rotation synchronously, synchronizer gear B drives synchronous tooth bar B82 and outwards moves, slide bar 22 among the telescopic chute of the tooth bar B drive synchronously frame B78 is protruding, pass through synchronizer gear, tooth bar and turning cylinder synchronously synchronously, these two groups of slide bars can be stretched out synchronously, avoid producing stuck phenomenon, and slide bar 22 drive framed side wallboard crossbeams 29 stretch out synchronously, the framed side wallboard crossbeam drives the piston rod 31 of respectively organizing telescopic oil cylinder 19 and stretches out synchronously, thereby make and respectively organize telescopic oil cylinder and also reach synchronous effect, guaranteed that the operation of car load expanding-contracting action is smooth and easy.The slide bar synchronizer gear that install down at described telescopic chute frame 18 two connects two groups and two groups with upper slide bar 22.Can many group slide bar synchronizer gears be installed respectively according to the quantity of telescopic chute frame 18 on the underframe 17.Described top board sliding extension device comprises on the flexible wallboard 7 in a left side the second from left level top board 9 is set, on the right flexible wallboard 8 right secondary top board 10 is set, the second from left level top board 9 heads are installed left wheel 12, right secondary top board 10 heads are installed right roller 14, left and right secondary top board 9,10 height shift to install, in central deck upper plate slideway 15 and lower roof plate slideway 16 are set for 6 times, upper plate slideway 15 matches with the left wheel 12 of the second from left level top board 9, and lower roof plate slideway 16 matches with the right roller 14 of right secondary top board 10.Described floor translation folded form comprises underframe 17, wheel 60 is arranged under the underframe, the telescopic chute frame 18 on floor is installed on the underframe, telescopic chute frame sidewall is installed telescopic oil cylinder 19, have left telescopic chute 20 and right telescopic chute 21 in the telescopic chute frame, on a left side, in the right telescopic chute slide bar 22 is installed respectively, described slide bar 22 connects the framed side wallboard crossbeam 29 of the left and right sides, connect a left side on the framed side wallboard crossbeam, right flexible wallboard 7,8, the inboard piston rod 31 that connects telescopic oil cylinder 19 of framed side wallboard crossbeam, a left side, right flexible wallboard 7,8 sidewalls are installed support cylinder 32, a described left side, right flexible wallboard 7, a floor 33 is installed on 8, have long emissions groove 61 in the floor, No. one connecting strap 34 is installed on the floor down, No. two floors 35 and No. three floors 36 are installed on slide bar 22, mounting center floor 53 on telescopic chute frame 18, No. two, connect hinge 37 between No. three floors, hinge connects floor thrust unit 38 down, floor thrust unit and slide bar 22 sidewalls fix, on No. two floors triangle lifting frame 39 is installed for 35 times, lifting pulley 40 is installed on slide bar 22, and the lifting pulley contacts with triangle lifting frame 39.Before described, rear wall plate translation retractor device is included in a left side, right flexible wallboard 7, each installs preceding first wallboard 50 and back first wallboard 8 front and back, preceding first wallboard connects preceding second wallboard 51, back first wallboard connects back second wallboard, preceding second wallboard connects preceding the 3rd wallboard 52, back second wallboard connects back the 3rd wallboard, before, back the 3rd wallboard fixes with central deck 6 and floor, center 53 respectively up and down, preceding, respectively install and fix slide rail 54 under first wallboard of back, preceding, back second wallboard is installed second roller 55 51 times, second roller contacts with fixed rack 54, preceding, back second wallboard, 51 1 sides are installed second pulley 59, preceding, the back installs and fixes chute 56, the second pulleys on the 3rd wallboard 52 and contacts with fixing chute.
Claims (5)
1. the flexible caravan hydraulic pressure of full-automatic multi-functional drives synchronizer gear, the operator's compartment (1) that comprises caravan, accommodation (2) and work chamber (3), described work chamber is an expansion tank, central deck (6) is arranged on work chamber, the work chamber both sides are provided with flexible wallboard (7) in a left side and right flexible wallboard (8), on a left side, right flexible wallboard (7,8) top respectively is provided with top board sliding extension device, on a left side, right flexible wallboard (7,8) bottom respectively is provided with the floor, the floor is the translation folded form, on a left side, right flexible wallboard (7,8) before both sides respectively are provided with, rear wall plate translation retractor device, it is characterized in that: under two, the left and right sides of the telescopic chute frame (18) of underframe (17), the slide bar synchronizer gear is installed respectively, about two groups of slide bar synchronizer gears connect a left side separately, the slide bar (22) of right telescopic slide, described slide bar synchronizer gear is included in to be shaped under each telescopic chute frame (18) and connects ear (71), synchronous turning cylinder (72) is installed in connecting ear, telescopic chute frame A(73 therein) the synchronous turning cylinder under is installed left wheel A(74 outward), right roller A(75) and synchronizer gear A(76), at telescopic chute frame A(73) in slide bar (22) synchronous tooth bar A(77 is installed down), synchronous tooth bar A and synchronizer gear A(76) be meshed, a left side, right roller A(74,75) below slide bar (22), contact, another root telescopic chute frame B(78 therein) the outer left wheel B(79 that installs of the synchronous turning cylinder (72) under), right roller B(80) and synchronizer gear B(81), at telescopic chute frame B(78) in slide bar (22) synchronous tooth bar B(82 is installed down), synchronous tooth bar B and synchronizer gear B(81) be meshed, a left side, right roller B(79,80) with telescopic chute frame B in slide bar below contact, slide bar connects framed side wallboard crossbeam (29), and framed side wallboard crossbeam (29) is driven by the piston rod (31) of telescopic oil cylinder (19).
2. the flexible caravan hydraulic pressure of full-automatic multi-functional as claimed in claim 1 drives synchronizer gear, it is characterized in that: the slide bar synchronizer gear that install down at described telescopic chute frame (18) two connects two groups and two groups with upper slide bar (22).
3. the flexible caravan hydraulic pressure of full-automatic multi-functional as claimed in claim 1 drives synchronizer gear, it is characterized in that: described top board sliding extension device comprises on the flexible wallboard (7) in a left side the second from left level top board (9) is set, on the right flexible wallboard (8) right secondary top board (10) is set, the second from left level top board (9) head is installed left wheel (12), right secondary top board (10) head is installed right roller (14), a left side, right secondary top board (9,10) height shifts to install, upper plate slideway (15) and lower roof plate slideway (16) are set under central deck (6), upper plate slideway (15) matches with the left wheel (12) of the second from left level top board (9), and lower roof plate slideway (16) matches with the right roller (14) of right secondary top board (10).
4. the flexible caravan hydraulic pressure of full-automatic multi-functional as claimed in claim 1 drives synchronizer gear, it is characterized in that: described floor translation folded form comprises underframe (17), wheel (60) is arranged under the underframe, the telescopic chute frame (18) on floor is installed on the underframe, telescopic chute frame sidewall is installed telescopic oil cylinder (19), have left telescopic chute (20) and right telescopic chute (21) in the telescopic chute frame, on a left side, in the right telescopic chute slide bar (22) is installed respectively, described slide bar (22) connects the framed side wallboard crossbeam (29) of the left and right sides, connect a left side on the framed side wallboard crossbeam, right flexible wallboard (7,8), the inboard piston rod (31) that connects telescopic oil cylinder (19) of framed side wallboard crossbeam, a left side, right flexible wallboard (7,8) sidewall is installed support cylinder (32), a described left side, right flexible wallboard (7,8) go up an installation floor (33), have long emissions groove (61) in the floor, No. one connecting strap (34) is installed on the floor down, go up installation No. two floors (35) and No. three floors (36) at slide bar (22), go up mounting center floor (53) at telescopic chute frame (18), No. two, connect hinge (37) between No. three floors, hinge connects floor thrust unit (38) down, floor thrust unit and slide bar (22) sidewall fixes, triangle lifting frame (39) is installed down on No. two floors (35), go up installation lifting pulley (40) at slide bar (22), the lifting pulley contacts with triangle lifting frame (39).
5. the flexible caravan hydraulic pressure of full-automatic multi-functional as claimed in claim 1 drives synchronizer gear, it is characterized in that: before described, rear wall plate translation retractor device is included in a left side, right flexible wallboard (7,8) each installs preceding first wallboard (50) and back first wallboard before and after, preceding first wallboard connects preceding second wallboard (51), back first wallboard connects back second wallboard, preceding second wallboard connects preceding the 3rd wallboard (52), back second wallboard connects back the 3rd wallboard, before, back the 3rd wallboard fixes with central deck (6) and floor, center (53) respectively up and down, preceding, respectively install and fix slide rail (54) under first wallboard of back, preceding, back second wallboard is installed second roller (55) down, second roller contacts with fixed rack (54), preceding, back second wallboard, one side is installed second pulley (59), preceding, the back installs and fixes chute (56) on the 3rd wallboard, and second pulley contacts with fixing chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716830 CN203093844U (en) | 2012-12-24 | 2012-12-24 | Hydraulically-driven synchronizing mechanism of full-automatic multifunctional stretchable motor home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716830 CN203093844U (en) | 2012-12-24 | 2012-12-24 | Hydraulically-driven synchronizing mechanism of full-automatic multifunctional stretchable motor home |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093844U true CN203093844U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220716830 Expired - Fee Related CN203093844U (en) | 2012-12-24 | 2012-12-24 | Hydraulically-driven synchronizing mechanism of full-automatic multifunctional stretchable motor home |
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| CN (1) | CN203093844U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935284A (en) * | 2014-04-24 | 2014-07-23 | 湖南大学 | Expansion type multifunctional teaching mobile terminal |
| CN104306112A (en) * | 2014-10-20 | 2015-01-28 | 史臣 | Diagnosis and treatment integrated bus |
| CN104306113A (en) * | 2014-10-20 | 2015-01-28 | 史臣 | Physical examination and emergency treatment integrated vehicle |
| CN104590089A (en) * | 2015-01-04 | 2015-05-06 | 无锡市源昌机械制造有限公司 | Exhibition vehicle compartment body telescoping mechanism |
| CN109050376A (en) * | 2018-06-26 | 2018-12-21 | 东莞唯度电子科技服务有限公司 | A kind of building assembly transmitting device |
| CN111620261A (en) * | 2020-06-02 | 2020-09-04 | 浙江大学 | Hydraulic multi-wheel synchronous lifting device and method thereof |
-
2012
- 2012-12-24 CN CN 201220716830 patent/CN203093844U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935284A (en) * | 2014-04-24 | 2014-07-23 | 湖南大学 | Expansion type multifunctional teaching mobile terminal |
| CN104306112A (en) * | 2014-10-20 | 2015-01-28 | 史臣 | Diagnosis and treatment integrated bus |
| CN104306113A (en) * | 2014-10-20 | 2015-01-28 | 史臣 | Physical examination and emergency treatment integrated vehicle |
| CN104306113B (en) * | 2014-10-20 | 2017-01-11 | 史臣 | Physical examination and emergency treatment integrated vehicle |
| CN104590089A (en) * | 2015-01-04 | 2015-05-06 | 无锡市源昌机械制造有限公司 | Exhibition vehicle compartment body telescoping mechanism |
| CN109050376A (en) * | 2018-06-26 | 2018-12-21 | 东莞唯度电子科技服务有限公司 | A kind of building assembly transmitting device |
| CN109050376B (en) * | 2018-06-26 | 2020-11-10 | 广州市白云第五建筑工程有限公司 | Building assembly transmission device |
| CN111620261A (en) * | 2020-06-02 | 2020-09-04 | 浙江大学 | Hydraulic multi-wheel synchronous lifting device and method thereof |
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Granted publication date: 20130731 Termination date: 20151224 |
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