CN109353776A - Multi-span gate-type moves trailer - Google Patents
Multi-span gate-type moves trailer Download PDFInfo
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- CN109353776A CN109353776A CN201811535792.7A CN201811535792A CN109353776A CN 109353776 A CN109353776 A CN 109353776A CN 201811535792 A CN201811535792 A CN 201811535792A CN 109353776 A CN109353776 A CN 109353776A
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- gate
- girder
- type
- supporting leg
- type supporting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of mobile trailer of multi-span gate-type, comprising: girder mechanism, trolley group mechanism and gate-type support leg mechanism and linking beam mechanism；The girder mechanism includes multiple girder segmentations, and the trolley group mechanism includes multiple trolley groups, and the gate-type support leg mechanism includes multiple gate-type supporting legs, and the linking beam mechanism includes multiple linking beams；Multiple gate-type supporting legs are provided with linking beam between the gate-type supporting leg regularly arranged in horizontal operation plane, adjacent, and each gate-type supporting leg bottom is provided with one group of trolley group, which is arranged symmetrically at left and right sides of the gate-type supporting leg.The mobile trailer of multi-span gate-type of the present invention, girder uses segmented overlapping mode, back segment is directly overlapped on leading portion beam, centre overlap joint beam carries out modular designs according to physical length demand, in-site installation is simple, mutually overlap joint, this structure type can also be effectively reduced big part size and weight, transport and safeguard and is very convenient.
Description
Technical field
The present invention relates to the mobile trailer technical fields that the continuous heap of bulk cargo send equipment, specifically, more particularly to a kind of super
The large-scale continuous heap of bulk cargo send the gate-type of equipment mobile trailer.
Background technique
Currently, sending the demand of equipment many in the continuous heap of ultra-large type bulk cargo on international market, but since large equipment exists
Self weight, span (gauge), outer dimension etc. have very big promotion, in addition now to plant machinery care and maintenance function
Can requirement it is more more and more universal, existing trailer form is difficult to meet these requirements, restricts the continuous heap of ultra-large type bulk cargo and send and sets
Standby development.
Summary of the invention
It is not able to satisfy the skill that the work requirements of equipment are sent to the continuous heap of ultra-large type bulk cargo according to existing trailer set forth above
Art problem, and a kind of mobile trailer of multi-span gate-type is provided.The present invention mainly utilizes girder using segmented overlapping mode, back segment
It is directly overlapped on leading portion beam, centre overlap joint beam carries out modular designs according to physical length demand, and in-site installation is simple, mutually
Overlap joint is transported and is safeguarded and is very convenient so that big part size and weight be effectively reduced.
The technological means that the present invention uses is as follows:
A kind of mobile trailer of multi-span gate-type, comprising: girder mechanism, trolley group mechanism and gate-type support leg mechanism and linking beam
Mechanism；The girder mechanism includes multiple girder segmentations, and the trolley group mechanism includes multiple trolley groups, the gate-type
Support leg mechanism includes multiple gate-type supporting legs, and the linking beam mechanism includes multiple linking beams；Multiple gate-type supporting legs are in water
It is regularly arranged on flat working face, linking beam is provided between the adjacent gate-type supporting leg, each gate-type supporting leg bottom is set
It is equipped with one group of trolley group, which is arranged symmetrically at left and right sides of the gate-type supporting leg；Setting at the top of the first two gate-type supporting leg
There is the first girder to be segmented, time position girder segmentation, the first girder segmentation and time position girder are disposed at the top of other gate-type supporting legs
Segmentation is connected by spherical device, is connected between adjacent secondary position girder segmentation by spherical device；The gate-type supporting leg of front end
Host machine part is installed by oscillating bearing.
Further, hinged by horizontal pin shaft between the gate-type supporting leg and trolley group of front end, the level
Sliding bearing is provided in pin shaft；Connected between the gate-type supporting leg and trolley group in middle position by trunnion axis and vertical axes
It connects, i.e. cross axis connection；Sliding bearing is installed, installed thrust bearing and friction inside the vertical axes inside the trunnion axis
Disk；It is rigidly connected between the gate-type supporting leg and trolley group of last end position by bolt.
Further, in the spherical device connection, which is set to the girder segment end of front end, inside dress
There is adjusting pad, the girder segmentation front end of rear end is provided with lateral backstop and longitudinal backstop for limiting displacement amount；The master of front end
It is provided between beam segmentation and the girder segmentation front end of rear end for preventing the protection zipper surprisingly to fall off.
Further, the gate-type supporting leg and trolley group are provided with n, and the girder segmentation and linking beam are provided with
N-1, n >=4.
Further, there is host connection otic placode in the host machine part, have on the gate-type supporting leg of front end across
I connection otic placode of beam, the host connection otic placode and I connection otic placode of bridge are connected and fixed by oscillating bearing.
Further, traffic and maintenance vehicle channel are provided with below the gate-type supporting leg.
Compared with the prior art, the invention has the following advantages that
1, girder uses segmented overlapping mode, and back segment is directly overlapped on leading portion beam, and centre overlap joint beam is according to actual (tube) length
Degree demand carries out modular designs, and in-site installation is simple, mutually overlaps, and big part ruler can be also effectively reduced in this structure type
Very little and weight is transported and is safeguarded and is very convenient.
2, different connection types is used between the trolley group under the door leg and this leg of different spans, guarantees cart operation
When can automatic deviation correction, run smoothly.
3, the structure of (1)+(2) and mechanism form can reduce the superfluous constraint inside equipment, eliminate statically indeterminate structure, drop
Low equipment fatigue damage.It is readily applicable to the big track of sedimentation deviation, reduces the laying cost on basis.
4, using gate-type leg structure, guarantee that trailer has Wheelchair Accessible space, traffic and maintenance vehicle can be at them
Inside has free passage, and fills hydraulic oil and lubricating grease etc. for mechanized maintenance, mechanization ground and provides safeguard.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that multi-span of the present invention overlaps the mobile trailer main view schematic diagram of gate-type.
Fig. 2 is the present invention first across diagrammatic side views (the A-A sectional view of Fig. 1).
Fig. 3 is the present invention second across diagrammatic side views (the B-B sectional view of Fig. 1).
Fig. 4 is span diagrammatic side views (the C-C sectional view of Fig. 1) in the present invention.
Fig. 5 is tail of the present invention across diagrammatic side views (the D-D sectional view of Fig. 1).
Fig. 6 is that girder of the present invention overlaps type of attachment figure (portion a detail drawing of Fig. 1).
Fig. 7-1 oscillating bearing type of attachment figure (portion b detail drawing of Fig. 1) between host of the present invention and trailer.
Fig. 7-2 is the E-E cross-sectional view of Fig. 7-1.
Fig. 8 is the type of attachment figure (portion the c detail drawing of Fig. 1) in the present invention between span supporting leg and trolley group.
In figure: 1, girder segmentation I, 2, girder segmentation II, 3, girder segmentation (n-1), 4, gate-type supporting leg n, 5, gate-type supporting leg
III, 6, gate-type supporting leg II, 7, gate-type supporting leg I, 8, trolley group I, 9, trolley group II, 10, trolley group III, 11, trolley group n, 12, company
Binder (n-1), 13, linking beam II, 14, linking beam I, 15, host machine part, 16, traffic and maintenance vehicle channel, 17, joint shaft
It holds, 18, horizontal pin shaft, 19, trunnion axis, 20, vertical axes, 21, thrust bearing, 22, frictional disk, 23, bolt, 24, host connection
Otic placode, 25, I connection otic placode of bridge, 26, sliding bearing,
101, girder segmentation nx (1≤x≤n-2), 102, lateral backstop, 103, girder segmentation n (x+1) (2≤x≤n-2),
104, zipper, 105, longitudinal backstop, 106, adjusting pad, 107, spherical device are protected；
201, gate-type supporting leg nx (2≤x≤n-1), 202, trolley group nx (2≤x≤n-1).
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As shown, the present invention provides a kind of mobile trailers of multi-span gate-type, comprising: girder mechanism, trolley group mechanism
With gate-type support leg mechanism and linking beam mechanism；The girder mechanism includes multiple girder segmentations, the trolley group mechanism packet
Multiple trolley groups are included, the gate-type support leg mechanism includes multiple gate-type supporting legs, and the linking beam mechanism includes multiple links
Beam；Multiple gate-type supporting legs are provided with linking beam between the gate-type supporting leg regularly arranged in horizontal operation plane, adjacent,
Each gate-type supporting leg bottom is provided with one group of trolley group, which is arranged symmetrically at left and right sides of the gate-type supporting leg；
Traffic and maintenance vehicle channel 16 are provided with below the gate-type supporting leg.
It is provided with the first girder segmentation at the top of the first two gate-type supporting leg, is disposed with time position master at the top of other gate-type supporting legs
Beam segmentation, the first girder segmentation and time position girder segmentation are connected by spherical device, pass through spherical shape between adjacent secondary position girder segmentation
Device connection；In the spherical device connection, which is set to the girder segment end of front end, and inside is equipped with tune
Whole pad 106, the girder segmentation front end of rear end are provided with lateral backstop 102 and longitudinal backstop 105 for limiting displacement amount；Front end
Girder segmentation be segmented between front end and be provided with for preventing the protection zipper 104 surprisingly to fall off the girder of rear end, such as Fig. 6 institute
Show, in Fig. 6, girder is segmented nx (1≤x≤n-2) 101, girder is segmented n (x+1) (2≤x≤n-2) 103.
The gate-type supporting leg of front end is equipped with host machine part 15 by oscillating bearing 17.Have in the host machine part 15
There is host connection otic placode 24, there is I connection otic placode 25 of bridge, the host connection otic placode 24 on the gate-type supporting leg of front end
It is connected and fixed with I connection otic placode 25 of bridge by oscillating bearing 17.As shown in Fig. 7-1 and Fig. 7-2, used between host and trailer
Single-point oscillating bearing 17 connects, and guarantees between host and trailer without statically indeterminate structure.
It is hinged by horizontal pin shaft 18 between the gate-type supporting leg and trolley group of front end, in the horizontal pin shaft 18
It is provided with sliding bearing；Connected between the gate-type supporting leg and trolley group in middle position by trunnion axis 19 and vertical axes 20
It connects, i.e. cross axis connection；Sliding bearing is installed inside the trunnion axis 19, the 20 inside installed thrust bearing of vertical axes and
Frictional disk；It is rigidly connected between the gate-type supporting leg and trolley group of last end position by bolt 23.
Between bridge I and host by 17 single-point of oscillating bearing connect, not only can guarantee host to the draw of trailer, but also
It can guarantee the independent operating between host and trailer；Trunnion axis inside supporting leg and trolley group and trolley group between composition can be released
Put the additional load of same siding track；Vertical axes between supporting leg and trolley group can discharge the additional load of two siding tracks；It is horizontal
Axis and the supporting leg of vertical axis connection are all flexible legs, the bolt connection rigidity branch between last group of supporting leg and trolley group
Leg.Sliding bearing and thrust bearing guarantee that movement is steady, reduce noise.
The gate-type supporting leg and trolley group is provided with n, and corresponding gate-type supporting leg and trolley group form one group of bridge；Institute
The girder segmentation stated and linking beam are provided with n-1, n >=4.
Specifically, the girder mechanism includes (n-1) a girder segmentation, respectively girder segmentation I 1, girder segmentation II
2, girder is segmented III ... girder segmentation (n-1) composition.As attached drawing 1 shows.Girder number of fragments is according to trailer physical length and structure
Rigidity determines.Girder segmentation mutually overlaps, and faying surface is spherical shape, different operation conditions is adapted to, with equipment or base
Between plinth track can front and back, up and down, left and right it is servo-actuated, effectively discharge all restraint stresses.
Trolley group mechanism includes n trolley group, respectively trolley group I 8, trolley group II 9 ... trolley group (n-1), platform
Vehicle group n11 composition, trolley group are symmetrically arranged.Trolley group quantity is determining according to trailer physical length, the vehicle of every group of trolley group
Quantity is taken turns to be determined according to basic wheel load and structural rigidity.
The gate-type support leg mechanism includes n gate-type supporting leg, respectively gate-type supporting leg I 7, gate-type supporting leg II 6 ... gate-type branch
Leg (n-1), gate-type supporting leg n4 composition.Gate-type number of legs is determined according to trailer physical length and structural rigidity.Trolley group and door
Formula supporting leg connects together to form bridge, and bridge and door leg quantity match, respectively bridge I, bridge II ... bridge (n-1), across
Beam n.Bridge quantity of the present invention n >=4.
It is bolted between gate-type supporting leg n inside bridge n and trolley group n.Wheel peace inside all trolley groups
Double-row self-aligning roller bearing is filled, connection is mounted perpendicular to the horizontal pin shaft of traffic direction between all bogie frames.Bridge I passes through
Oscillating bearing is connected with host single-point.
It is hinged by horizontal pin shaft 19 between gate-type supporting leg I 7 inside bridge I and trolley group I 8, inside horizontal pin shaft 18
Sliding bearing 26 is installed.
As shown in figure 8, gate-type supporting leg (II-section (n-1)) and trolley group (II-that bridge (II-section (n-1)) is internal
(n-1) section) between by trunnion axis 19 and the combination connection of vertical axes 20, sliding bearing 26 is installed, vertically inside trunnion axis 19
20 inside installed thrust bearing 21 of axis and frictional disk 22.
In Fig. 8, gate-type supporting leg nx (2≤x≤n-1) 201, trolley group nx (2≤x≤n-1) 202.
Using the type of attachment that trunnion axis 19 and vertical axes 20 are combined between the supporting leg and trolley group of middle span.Effect be as
There is deviation in fruit track or deflection occurs in traveling, and trolley group can be rotated voluntarily, and structure more than trolley group is still motionless.It is this
The advantages of structure type is: traveling can be with automatic deviation correction, various equipment machines channel on machine, and maintenance platform etc. does not become therewith
Change, type of attachment is detailed in attached drawing 8.
The linking beam mechanism includes (n-1) a linking beam, respectively linking beam I 14, linking beam II 13 ... linking beam
(n-1) 12 composition.Linking beam quantity of the present invention n >=4.The function of linking beam is that joint girder is segmented each mid-span of trailer one
It rises.
This completely new trailer structure and type of attachment are suitable for the mobile trailer of ultra-large type multi-span overlap joint gate-type, for not
The demand of same specification trailer length variation, the independent gate-type trailer of the indefinite quantity of modularized design, these trailers mutually overlap joint group
At a complete trailer.It is also adapted to run greatly and on the insufficient track of precision in deviation.
The mobile trailer of multi-span gate-type of the present invention, using the trolley group and door of vertical axes and parallel axes combining form
Formula supporting leg, and it is directed to the demand of different size trailer length variation, the independent gate-type trailer of the indefinite quantity of modularized design, these
Trailer, which mutually overlaps, constitutes a complete trailer, can run on the track of certain deviation, and automatic deviation correction of walking, inside can be with
Pass through traffic and maintenance vehicle.Prior art problem is efficiently solved, the following ultra-large type moving stacking to be developed is fully met
The mating demand of equipment.
The mobile trailer of multi-span gate-type of the present invention, develops a kind of trailer, promotes the continuous stacker device of bulk cargo to super
Large-scale direction is developed.Innovation structure and mechanism design, reduce Planar Mechanisms type of attachment, eliminate statically indeterminate structure, it is broken to reduce fatigue
Bad load improves equipment life, guarantees that equipment high efficiency is reliably run.The track that equipment is suitable for having certain deviation, walking can
Automatic deviation correction.Achievable equipment in any position can mechanization maintenance.
The mobile trailer of multi-span gate-type of the present invention, has the advantage that
1, the present invention has super large conveying capacity, can meet the mating demand for the ultra-large type stacker device that will be developed.
2, the present invention has novel running gear design, and cart operation can automatic deviation correction.The walking mechanism of automatic deviation correction joins
Trailer beam bridging arrangement form is closed, statically indeterminate structure can be not only eliminated, reduces fatigue rupture, increases service life of equipment, and
And can adapt to the reasons such as stock ground settlement of foundation and cause the biggish track of error, the laying cost of track foundation is effectively reduced.
3, modularization door type structure, middle span independently combinable can overlap, and both be adapted to different corollary equipment demands,
Mechanized maintenance and maintenance may be implemented.
The mobile trailer of multi-span gate-type of the present invention, will be used for the demands such as domestic outer harbour, mine large size or super large
In the project of type stacker device, at present at home and abroad, such as Australia, Brazil, Malaysia, Guinea, prince wife Cao pasture port mine
Producing big country, mineral products transit country or domestic major port has widespread demand, and implementing for the technology can be going out in related fields of company
Mouth brings good competitiveness.It is expected that the product can bring several hundred million first contracts every year for company.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of mobile trailer of multi-span gate-type characterized by comprising girder mechanism, trolley group mechanism and gate-type supporting leg machine
Structure and linking beam mechanism；
The girder mechanism includes multiple girder segmentations, and the trolley group mechanism includes multiple trolley groups, the gate-type
Support leg mechanism includes multiple gate-type supporting legs, and the linking beam mechanism includes multiple linking beams；
Multiple gate-type supporting legs are provided between the gate-type supporting leg regularly arranged in horizontal operation plane, adjacent and link
Beam, each gate-type supporting leg bottom are provided with one group of trolley group, the trolley group symmetrical cloth at left and right sides of the gate-type supporting leg
It sets；
It is provided with the first girder segmentation at the top of the first two gate-type supporting leg, is disposed with time position girder point at the top of other gate-type supporting legs
Section, the first girder segmentation and time position girder segmentation are connected by spherical device, pass through spherical device between adjacent secondary position girder segmentation
Connection；
The gate-type supporting leg of front end is equipped with host machine part by oscillating bearing.
2. the mobile trailer of multi-span gate-type according to claim 1, which is characterized in that
It is hinged by horizontal pin shaft between the gate-type supporting leg and trolley group of front end, cunning is provided in the horizontal pin shaft
Dynamic bearing；
Pass through trunnion axis and vertical axis connection, i.e. cross axis connection between the gate-type supporting leg and trolley group in middle position；
Sliding bearing is installed, installed thrust bearing and frictional disk inside the vertical axes inside the trunnion axis；
It is rigidly connected between the gate-type supporting leg and trolley group of last end position by bolt.
3. the mobile trailer of multi-span gate-type according to claim 1, which is characterized in that
In the spherical device connection, which is set to the girder segment end of front end, and inside is equipped with adjusting pad, rear end
Girder segmentation front end be provided with lateral backstop and longitudinal backstop for limiting displacement amount；
The girder of front end, which is segmented, to be provided between the girder of rear end segmentation front end for preventing the protection zipper surprisingly to fall off.
4. the mobile trailer of multi-span gate-type according to claim 1,2 or 3, which is characterized in that
The gate-type supporting leg and trolley group is provided with n, and the girder segmentation and linking beam are provided with n-1, n >=4.
5. the mobile trailer of multi-span gate-type according to claim 1,2 or 3, which is characterized in that
There is host connection otic placode in the host machine part, there is I connection otic placode of bridge, institute on the gate-type supporting leg of front end
It states host connection otic placode and I connection otic placode of bridge is connected and fixed by oscillating bearing.
6. the mobile trailer of multi-span gate-type according to claim 1,2 or 3, which is characterized in that
Traffic and maintenance vehicle channel are provided with below the gate-type supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535792.7A CN109353776B (en) | 2018-12-14 | 2018-12-14 | Multi-span door type movable tail car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535792.7A CN109353776B (en) | 2018-12-14 | 2018-12-14 | Multi-span door type movable tail car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109353776A true CN109353776A (en) | 2019-02-19 |
| CN109353776B CN109353776B (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811535792.7A Active CN109353776B (en) | 2018-12-14 | 2018-12-14 | Multi-span door type movable tail car |
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| CN (1) | CN109353776B (en) |
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| CN209177470U (en) * | 2018-12-14 | 2019-07-30 | 大连华锐重工集团股份有限公司 | Multi-span gate-type moves trailer |
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