CN201309522Y - Moving trolley - Google Patents
Moving trolley Download PDFInfo
- Publication number
- CN201309522Y CN201309522Y CNU2008201313713U CN200820131371U CN201309522Y CN 201309522 Y CN201309522 Y CN 201309522Y CN U2008201313713 U CNU2008201313713 U CN U2008201313713U CN 200820131371 U CN200820131371 U CN 200820131371U CN 201309522 Y CN201309522 Y CN 201309522Y
- Authority
- CN
- China
- Prior art keywords
- dolly
- vehicle frame
- retinue dolly
- retinue
- track
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
Abstract
The utility model discloses a moving trolley used for moving back and forth on determined rails during industrial assembly line. The moving trolley comprises a frame, a guide mechanism and a braking mechanism, wherein the guide mechanism is arranged at the upper part of the frame, the moving trolley can move on the determined rails through the guide mechanism, the braking mechanism is arranged at the lower part of the moving trolley, and the brake of the trolley can be realized by contacting the braking mechanism with the ground. The moving trolley has simple structure and flexible movement, can move or stop in time on the determined rails according to the requirement of an operation, and does not hit other workpieces or parts on the assembly line.
Description
[technical field]
The utility model relates to a kind of retinue dolly, especially a kind ofly is used for industrial fitting line, can set the retinue dolly that moves around on the track according to operator's practical set arts demand.
[background technology]
Along with development of science and technology, the complexity of product is more and more higher.In the manufacturing of product, some are comprised the product that a large amount of parts, assembly technology are had relatively high expectations, people generally take intelligent fitting line that it is assembled, so that plan the resources of production effectively and control product design.Under this mode of operation, the supply of part provides by the bin on the fitting line usually, and some fixing rigging equipments also can be integrated on the fitting line usually, can be placed in the fixed position usually as industrial robot etc.Yet; usually also having some auxiliary mould equipment need use on a plurality of stations in the different periods; such as; need a pneumatic screw rifle on 2 or 3 stations, to work and be used for tighten the screws; perhaps also have some less parts not need to be placed on fixedly on the bin; the operator need use these parts at any time, as screw etc.In this case, people can be equipped with a retinue dolly to the operating personal on the fitting line usually.Fig. 1 illustrates a kind of retinue dolly commonly used.This dolly is made of plastics or metal usually, includes table top 1, handle 2, wheel 3 and brakes 4.Table top 1 with the metal sheet parcel, is used to place various miniature parts or tooling device usually; Handle 2 is used for operator's operation, makes the operator can promote or spur dolly; Wheel 3 is used for rolling on the bottom surface, makes dolly to carry out moving of orientation according to operator's operation; Brake 4 collection generally include a brake facing and trample sheet on wheel, and when the operator steps down in when trampling on the sheet, brake facing contacts with wheel, and wheel is braked.
This dolly simple structure, flexible and convenient to use, be widely used at present on the various fitting lines.But in actual use, such dolly also has a lot of defectives.Such as, such dolly requires the bottom surface smooth smooth, do not allow the interference of other workpiece in the driving path, and, integrated level than the fitting line higher, that the space is compact on, because the path of motion of this dolly will be because operator's error collides other workpiece, part and product in practical operation fully by operator's control.Under some application scenarios; people set track on the ground; allowing dolly set at this travels on this track to avoid the collision of dolly and parts; cut but this setting track can be assembled a large amount of dusts, grease usually and some industry is useless, make dolly mobile difficulty and often de-orbit easily.
Therefore, provide a kind of simple in structure, move flexibly, can in time move on the track or stop setting according to operator's requirement, and the retinue dolly that can not collide with other workpiece on the fitting line or part, really be that this area is required.
[summary of the invention]
The object of the present invention is to provide a kind of retinue dolly that is used for industrial fitting line, this retinue dolly has simple in structure, mobile flexible characteristic, and the running route of the dolly of should accompanying limits by setting track, make the retinue dolly when mobile, can not collide other assembly part or product, and can not de-orbit.
A kind of retinue dolly is used for moving around on the setting track at industrial fitting line, and the dolly of wherein accompanying comprises: vehicle frame; Guiding mechanism is located at the top of vehicle frame, and the retinue dolly moves setting on the track by guiding mechanism; And braking mechanism, be located at the bottom of retinue dolly, by braking mechanism and the ground-surface braking that contacts the dolly of realize accompanying.
Retinue dolly provided by the utility model, wherein guiding mechanism is included in and sets a plurality of track adjusting wheels of rolling on the track or setting a plurality of slide plates that slide on the track, and a plurality of track adjusting wheels or slide plate are connected to a plurality of connecting straps on the vehicle frame.
Retinue dolly provided by the utility model, wherein braking mechanism comprises: control part, be located at a side of vehicle frame; Shaft portion is located at the inboard of vehicle frame; And brake facing, the bottom of being located at the retinue dolly also can contact with ground.
Retinue dolly provided by the utility model is wherein controlled part and is included a lever handle and foot-operated, and wherein the end that should ride links to each other with vehicle frame and can rotate around vehicle frame, and the other end is hinged by a pipe link and lever handle.
Retinue dolly provided by the utility model, wherein shaft portion is a four-bar linkage, comprising: an angle tie, an end and the lever handle of angle tie are fixedly linked; Two connecting straps that structure is identical, an end of connecting strap links to each other with the other end of angle tie respectively and forms first hinges, second hinges respectively; A hollow connection pipe, hollow connection pipe is fixed on the vehicle frame, and the other end of the identical connecting strap of two structures links to each other with hollow connection pipe and forms fixed hinge; A pilot bar, the upper end of pilot bar is inserted in the hollow connection pipe, and pilot bar is linking to each other with the angle end of angle tie near upper end and forming the 3rd hinges.
Retinue dolly provided by the utility model wherein also is provided with the guiding that is used for pilot bar and reduces pilot bar worn-down copper sheathing on the shaft portion.
Retinue dolly provided by the utility model, wherein brake facing is provided with height adjustment mechanism, is used to regulate the distance between brake facing and the ground.
Retinue dolly provided by the utility model, wherein when spurring or be pulled upwardly the lever handle downwards or when foot-operated, two connecting straps of shaft portion rotate around fixed hinge, drive the 3rd hinges and move in vertical direction, thereby the drive brake facing contact with ground or separate.
The retinue dolly of this technical scheme adopts the suspension type structure, makes this retinue dolly to move around on the setting track neatly; Four connecting rod brake structures of this retinue dolly can allow the operator realize the brake control of this dolly easily; In addition, has compact more design space with respect to this retinue dolly of the dolly that uses in present most of fitting lines.
[description of drawings]
Fig. 1 is a kind of structural representation of existing retinue dolly.
Fig. 2 is the front view of the retinue dolly of a kind of embodiment of the utility model.
Fig. 3 is the left view of the retinue dolly of a kind of embodiment of the utility model.
Plan sketch when Fig. 4 is the braking mechanism motion of the utility model retinue dolly.
Plan sketch when Fig. 5 is the braking mechanism brake of the utility model retinue dolly.
[specific embodiment]
Understand easily, according to the technical solution of the utility model, under the connotation that does not change utility model, the those skilled in the art that are familiar with this technology of this area can propose numerous embodiments of the present utility model.Therefore, the following specific embodiment and accompanying drawing only are the exemplary illustrations of technical solutions of the utility model, and should not be considered as of the present utility model all or to the qualification of technical solutions of the utility model.
See also Fig. 2, retinue dolly of the present utility model adopts suspended structure, that is to say, the integral hanging of retinue dolly is being set on the track (not shown), and can move around in setting track.This retinue dolly mainly comprises guiding mechanism 1, vehicle frame 2 and braking mechanism 3.Wherein, guiding mechanism 1 adopts resistance to abrasion metal or plastics manufacturing, vehicle frame 2 can adopt resistance to abrasion metal or plastics manufacturing according to the weight of the actual part of shelving, and braking mechanism 3 can adopt the metallic material manufacturing, and wherein brake facing is selected organic material manufacturing wear-resisting and that friction coefficient is higher for use.
As shown in Figures 2 and 3, guiding mechanism 1 is arranged at the top of retinue dolly.In a preferred embodiment of the present utility model, guiding mechanism 1 includes four track adjusting wheels 111,112,113,114, and links to each other with track adjusting wheel 111,112,113,114 respectively and be fixed in four connecting straps 131,132,133,134 on the vehicle frame 2.Wherein, track adjusting wheel 111,112,113,114 heart therein is separately fixed on the connecting strap 131,132,133,134 by adapter shaft (not shown), make track adjusting wheel 111,112,113,114 can along the A shown in Fig. 2 to or A ' direction rotate.Track adjusting wheel 111,112 lower edges and the first setting track (not shown) contact simultaneously, track adjusting wheel 113,114 lower edges and second are set track (not shown) and are contacted, make track adjusting wheel 111,112 and track adjusting wheel 113,114 can set on the track at first, second around its line of centers respectively and roll, thereby drive moving of whole retinue dolly in the rolling of setting on the track by track adjusting wheel.
In another preferred embodiment of the present utility model, guiding mechanism 1 comprises four slide plates, and links to each other with the track adjusting wheel slide plate respectively and be fixed in four connecting straps (not shown) on the vehicle frame 2.Wherein the structure of four slide plates can be industrial guide rail structure, perhaps is oat tail groove structure, perhaps more at large, is the less antifriction metal (AFM) piece of friction coefficient.The side of four slide plates links to each other with the side of four connecting straps respectively and is fixing, and wherein the bottom surface of two slide plates is shelved on the first setting track, the bottom surface of two other slide plate is shelved on second and sets on the track, make four slide plates set on the track at first, second respectively and slide, thereby can drive moving of whole retinue dolly in the slip of setting on the track by slide plate.Understand easily, in other embodiments, guiding mechanism 1 can select other known any suspension types to slide structure.
Please continue referring to figs. 2 and 3, in an embodiment of the present utility model, vehicle frame 2 adopts industrial pipe/section bar to build, and can also can connect by welding by being threaded between each pipe/section bar.As shown in the figure, vehicle frame 2 includes upper area 21, central region 22 and brake zone, bottom 23.Wherein upper area 21 is a frame type structure, is mainly used in the installation of some connecting elements and shelves, and connects parts, electromagnetic valve etc. as pneumatic three.Upper area 21 links to each other with the placement area, middle part by two strut bars 24,25.And, in order to strengthen the support strength of vehicle frame, be provided with the reinforced rib 26,27 that two ends link to each other with the bottom and the strut bar 24,25 of upper area 21 respectively at the rear side of strut bar 24,25.Central region 22 includes finding placement area 221 and table top 222.Various small-sized magazines wherein can be installed on the finding placement area 221, use for putting screw, nut etc.Table top 222 can coat its surface by corrosion-resistant steel, and being used for provides service platform or be used to put the relatively large parts of some volumes to the operator.Around the top of table top 222, connect into an anti-sliding sash 223, thereby prevent that parts from skidding off from table top 222 with pipe or section bar.Should can adjust according to the size of parts in the real work with the vertical distance of table top 222 by anti-sliding sash 223.Equally, bottom brake zone 23 can be built into the frame type structure that profile is a cuboid by pipe or section bar.In a preferred embodiment of the present utility model, be connected with a plate 231 on the top pipe of frame type structure or the section bar, this connecting panel 231 links to each other by bolt with the bottom of table top 222, thereby realizes being connected of brake zone 23, bottom and central region 22.In another embodiment of the present utility model, the top of frame type structure directly realizes being connected by welding with the bottom of table top 222., connect around it with pipe or section bar, and be connected with a plate 232 near on the horizontal surface of zone line in this frame type structure in this planar central.The center of this connecting panel 232 is provided with an open pore 2321, and the guide rod 325 in the braking mechanism 3 in making hereinafter described can pass from open pore 2321, thereby guide rod 325 is led.Similarly, on the bottom of frame type structure, be connected with a plate 233 and be provided with open pore 2331, be used for walking and leading of guide rod 325 at the center of connecting panel 233.
As Fig. 4 and shown in Figure 5, braking mechanism 3 comprises controls part 31, shaft portion 32 and brake facing 33.In a preferred embodiment of the invention, control part 31 and mainly comprise handle 311, foot-operated 312 and pipe link 313.Wherein the body of rod on the handle 311 3112 is the obtuse-angulate warp architecture of bending, and the outer end of the body of rod 3112 is connected with operation ball handle 3111, and the other end links to each other with the pipe link 321 of shaft portion 32.At the frame type structure place near brake zone, bottom 23, the bottom side of the body of rod 3112 is provided with a connecting panel 3113 with holes.The outer end of foot-operated 312 the body of rod 3122 is provided with pedal 3121, and the pipe in the other end and brake zone, bottom 23 or section bar link to each other and form fixed hinge 43, makes foot-operated 312 can center on fixed hinge 43 and rotate.The top of the body of rod 3122 of close pedal 3121 is provided with a connecting panel 3123 with holes.The two ends of pipe link 313 link to each other with connecting panel 3113,3123 respectively and form hinges 41,42, thereby realize the connection between handle 311 and foot-operated 312.
Please continue with reference to figure 4 and Fig. 5, retinue dolly of the present utility model is suspended on the above-mentioned setting track and also can setting rolling or slip on the track when normal working.The scheme drawing of braking mechanism position when wherein Fig. 4 is for this retinue moving of car, the scheme drawing of braking mechanism when Fig. 5 brakes for this retinue dolly.As shown in Figure 4, when dolly can roll on setting track or slide, brake facing 33 kept a distance with ground.At this moment, because the 3rd hinges 47 places that focus on certainly of guide rod 325 and brake facing produce downward pulling force, this pulling force impels connecting strap 322,323 to produce the trend of rotating around fixed hinge 44 clockwise directions, that is to say that pipe link 321 produces the first downward pulling force at an end that links to each other with connecting strap 322,323.Equally, owing to control the deadweight of part 31, the other end of pipe link 321 also produces the second downward pulling force.As shown in Figure 4, be fulcrum with the 3rd hinges 47, first moment that first pulling force produces is identical with second moment of second pulling force generation, thereby makes whole brake system remain on position shown in Figure 4 and keep static.When the operator controls controlling part 31, that is to say, when position operation person shown in Figure 4 depresses handle 311 downwards or depresses pedal 3121, second moment correspondingly increases along with the increase of first moment, make connecting strap 322,323 clockwise rotate, thereby impel the 3rd hinges 47 pulling guide rods 325 to move downward around fixed hinge 44.As shown in Figure 5, at this moment, hinge 44,45,46 and 47 is on same straight line, and second moment transfers zero to.The rotation that first moment produces acts directly on the fixed hinge 44, thereby makes guide rod 325 downward motions stop and static in this position, and this moment, brake facing 33 contacted with ground.When this position, the retinue dolly is still on the fixed position, and the operator can use the retinue dolly to carry out work in this position.Equally, when the operator finishes this locational work, be pulled upwardly handle 311, connecting strap 322,323 left-hand revolutions, and when the operator stops operating, stop at balance position shown in Figure 4.
Understand easily, retinue dolly provided by the utility model mainly comprises guiding mechanism 1, vehicle frame 2 that is arranged on dolly top and the braking mechanism 3 that is arranged on the dolly bottom.Wherein guiding mechanism 1 includes and sets that track contacts and can set the track adjusting wheel of rolling on the track or set the slide plate that slides on the track.Vehicle frame 2 includes upper area 21, central region 22 and brake zone, bottom 23, wherein upper area 21 is used for fixing the installation of part, and central region 22 is used for the installation of parts and is used as work top, and brake zone, bottom 23 is used for fixing braking mechanism 3.Braking mechanism 3 includes is located at controlling part 31, being located at shaft portion 32 in the vehicle frame and the brake facing 33 of being located at shaft portion 32 downsides of vehicle frame one side, wherein control part 31 and include the lever handle 311 that an end links to each other with shaft portion 32, and one end link to each other with vehicle frame 2 and form a hinges, and ride 312 by what pipe link 313 linked to each other with handle 311 near other end place.Shaft portion 32 is a four-bar linkage structure, includes the angle tie 321 that links to each other with the pilot bar 331 of brake portion and form the 3rd hinges 47; One end links to each other with pipe link 321 respectively and forms two connecting straps 322 and 323 of first, second hinges 45,46; Be fixed on the vehicle frame by connecting panel 231, and link to each other with the other end of two connecting straps 322,323 and to form the hollow connection pipe 324 of fixed hinge 44; And the upper end is inserted in the hollow connection pipe 324 guide rod 325 that the lower end links to each other with brake facing 33.Brake facing 33 is provided with height adjustment mechanism, is used to regulate brake facing 33 and ground-surface height.
Though above the specific embodiment of the present utility model has been made exemplary detailed description, these explanations should not thought the whole of the utility model protection domain.For the general personnel that this technology is familiar with in this area, the conspicuous modifications and variations that the foregoing description is done are the utility model and comprise.For example only being provided with two track adjusting wheels or slide plate in guiding mechanism moves on the setting track; Body frame structure for automotive can carry out various designs according to actual needs; Braking is controlled part and only is provided with handle or foot-operated etc.
Adopt structural design of the present utility model, it is simple, mobile flexibly special that this moving trolley has mechanism Point, and it can be very like a cork move setting track, avoided dolly on assembly line with its The collision of its workpiece.
Claims (8)
1. a retinue dolly is used for moving around on the setting track at industrial fitting line, it is characterized in that described retinue dolly comprises:
Vehicle frame;
Guiding mechanism is located at the top of described vehicle frame, and described retinue dolly moves setting on the track by described guiding mechanism; And
Braking mechanism is located at the bottom of retinue dolly, contacts the braking that realizes described retinue dolly by described braking mechanism with ground-surface.
2. retinue dolly as claimed in claim 1, it is characterized in that, described guiding mechanism is included in to be set a plurality of track adjusting wheels of rolling on the track or is setting a plurality of slide plates that slide on the track, and described a plurality of track adjusting wheels or slide plate are connected to a plurality of connecting straps on the described vehicle frame.
3. retinue dolly as claimed in claim 2 is characterized in that, described braking mechanism comprises:
Control part, be located at a side of described vehicle frame;
Shaft portion is located at the inboard of described vehicle frame; And
Brake facing, the bottom of being located at described retinue dolly also can contact with ground.
4. retinue dolly as claimed in claim 3, it is characterized in that, the described part of controlling includes a lever handle and foot-operated, and wherein the end that should ride links to each other with described vehicle frame and can rotate around described vehicle frame, and the other end is hinged by a pipe link and described lever handle.
5. retinue dolly as claimed in claim 4 is characterized in that, described shaft portion is a four-bar linkage, comprising:
An angle tie, an end and the lever handle of described angle tie are fixedly linked;
Two connecting straps that structure is identical, an end of described connecting strap links to each other with the other end of described angle tie respectively and forms first hinges, second hinges respectively;
A hollow connection pipe, described hollow connection pipe is fixed on the described vehicle frame, and the other end of the identical connecting strap of described two structures links to each other with described hollow connection pipe and forms fixed hinge;
A pilot bar, the upper end of described pilot bar are inserted in the described hollow connection pipe, and pilot bar is linking to each other with the angle end of described angle tie near upper end and forming the 3rd hinges.
6. retinue dolly as claimed in claim 5 is characterized in that, also is provided with the guiding that is used for described pilot bar on the described shaft portion and reduces described pilot bar worn-down copper sheathing.
7. retinue dolly as claimed in claim 3 is characterized in that described brake facing is provided with height adjustment mechanism, is used to regulate the distance between brake facing and the ground.
8. retinue dolly as claimed in claim 6, it is characterized in that, when downward pulling or be pulled upwardly described lever handle or described when foot-operated, two described connecting straps of described shaft portion rotate around described fixed hinge, drive described the 3rd hinges and move in vertical direction, contact with ground or separate thereby drive described brake facing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201313713U CN201309522Y (en) | 2008-03-12 | 2008-07-31 | Moving trolley |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810034508.8 | 2008-03-12 | ||
| CN200810034508 | 2008-03-12 | ||
| CNU2008201313713U CN201309522Y (en) | 2008-03-12 | 2008-07-31 | Moving trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201309522Y true CN201309522Y (en) | 2009-09-16 |
Family
ID=41106773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201313713U Expired - Lifetime CN201309522Y (en) | 2008-03-12 | 2008-07-31 | Moving trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201309522Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381384A (en) * | 2011-09-30 | 2012-03-21 | 安徽大学 | Positioning mechanism of rail guided vehicle for rear axle assembling line of commercial vehicle |
| CN104044600A (en) * | 2014-06-11 | 2014-09-17 | 成都力鑫科技有限公司 | Rail trolley with brake device |
| CN109316691A (en) * | 2018-10-19 | 2019-02-12 | 安徽吉安消防科技有限公司 | A kind of electricity power-assisted stroller formula driven high voltage extinguishing device |
-
2008
- 2008-07-31 CN CNU2008201313713U patent/CN201309522Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381384A (en) * | 2011-09-30 | 2012-03-21 | 安徽大学 | Positioning mechanism of rail guided vehicle for rear axle assembling line of commercial vehicle |
| CN102381384B (en) * | 2011-09-30 | 2013-02-13 | 安徽大学 | Positioning mechanism of rail guided vehicle for rear axle assembling line of commercial vehicle |
| CN104044600A (en) * | 2014-06-11 | 2014-09-17 | 成都力鑫科技有限公司 | Rail trolley with brake device |
| CN109316691A (en) * | 2018-10-19 | 2019-02-12 | 安徽吉安消防科技有限公司 | A kind of electricity power-assisted stroller formula driven high voltage extinguishing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106736340B (en) | Heavy-load type automobile body transfer transportation system | |
| CN202220069U (en) | Automatic gravity-center balance device of a high-position sorting vehicle | |
| CN1199369A (en) | Motor vehicle with position-adjustable steering wheel and position-adjustable dashboard | |
| US20140116282A1 (en) | Suspended Transport System | |
| CN101563270B (en) | Rail type transportation apparatus | |
| CN201309522Y (en) | Moving trolley | |
| CN106364491B (en) | Suspension type transportation system | |
| EP3498650B1 (en) | Pneumatic vacuum elevator cabin guides | |
| CN104859670A (en) | Bogie for mounting traction motor in flexible suspending manner | |
| US20220185627A1 (en) | Running system for elevator, and multi-car elevator running system | |
| PT1568581E (en) | Cleaning trolley | |
| CN204415262U (en) | A kind of scalable car of stepping on of improvement is marked time | |
| CN102874271A (en) | Anti-side-rolling torsion bar composed device for rail vehicle | |
| CN103894813A (en) | Mobile robot hole forming platform based on composite axle structure | |
| CN109081062A (en) | The air-ground frictional conveying system of novel automatic | |
| CN208746986U (en) | The air-ground frictional conveying system of novel automatic | |
| CN109848947B (en) | Watt link mechanism, auxiliary walking stabilizing mechanism, walking mechanism and robot | |
| CN204674579U (en) | Traction electric machine resilient suspension bogie truck | |
| CN115092199B (en) | Rail transport equipment and braking system suitable for high-speed railway | |
| CN216942695U (en) | Suspension frame framework suitable for superconducting electric magnetic levitation of low-vacuum pipeline | |
| CN202967895U (en) | Constant-wheel-pressure driving system of hoisting equipment | |
| CN204774392U (en) | Two brake pedal's in area truckle | |
| CN205272023U (en) | A flipping robot for pressing from both sides get crashproof roof beam | |
| CN211589945U (en) | Balance cylinder dismouting appurtenance | |
| CN210191847U (en) | Loading and unloading platform capable of being rapidly butted with airplane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |
|
| CX01 | Expiry of patent term |