CN107214463A - A kind of double-decker pressure vessel bushing device and method - Google Patents
A kind of double-decker pressure vessel bushing device and method Download PDFInfo
- Publication number
- CN107214463A CN107214463A CN201710575991.XA CN201710575991A CN107214463A CN 107214463 A CN107214463 A CN 107214463A CN 201710575991 A CN201710575991 A CN 201710575991A CN 107214463 A CN107214463 A CN 107214463A
- Authority
- CN
- China
- Prior art keywords
- shell
- trolley
- decker
- pressure vessel
- double
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/12—Vessels
- B23K2101/125—Cans
Abstract
The present invention relates to a kind of pressure vessel bushing device and method, belong to pressure vessel field, and in particular to a kind of double-decker pressure vessel bushing device and method.Including:Sleeving trolley, including base and the transverse adjusting mechanism, the height regulating mechanism that are arranged on base;Trolley track, is at least partially arranged on enclosure bracing ring, for walking and being passed through from enclosure bracing ring for the sleeving trolley.Therefore, assembling of the present invention for double-decker pressure vessel inner pressurd vessel and shell, can meet the suit of the double-decker pressure vessel of all diameters.The suit frock has simple in construction, and manufacturing cost is low, and the manufacturing cycle is short, is set with the effect of efficiency high.The inner pressurd vessel of double-decker pressure vessel and the centerline deviation of shell assembled using the invention can meet technical requirements.
Description
Technical field
The present invention relates to a kind of pressure vessel bushing device and method, belong to pressure vessel field, and in particular to Yi Zhongshuan
Rotating fields pressure vessel bushing device and method.
Background technology
Natural gas pressure vessel of the prior art, such as storage tank, tank case and tank car, its structure are tied to be double-deck
Structure, internal layer is generally stainless steel inner pressurd vessel, and for depositing liquefied natural gas, outer layer is carbon steel or stainless steel casing.Ectonexine
Between be vacuum layer, typically after evacuation carry out heat-insulating material lay or pearlife filling.
Due to inner pressurd vessel and shell axiality require it is higher, therefore inner pressurd vessel with outer cover suit when typically use it is special
Bushing device, inner pressurd vessel and shell could be fitted together.
It is set with prior art using suit tire, it is by two sets of inner pressurd vessel support meanss and housing roller frame
Device is constituted.Suit tire suit scheme be:
1) shell is placed on turning rolls, then starts turning rolls and move ahead, the shell level on turning rolls is penetrated into set
The suit arm of tire is closed, and is moved to appropriate position.
2) inner pressurd vessel is placed in the support meanss of inner pressurd vessel, then moved shell in the opposite direction, start into
The interference between moment attentinal contents device and shell is answered during the suit of row inner pressurd vessel and shell, suit.
3) suit of inner pressurd vessel and shell is completed, passes through the horizontal and vertical movement of support meanss, it is ensured that inner pressurd vessel and outer
The Barrel alignment deviation of shell is within the scope of product requirement.
Although existing suit tire can have the shortcomings that following aspect with many products of fit:
1) it is less than 2000mm pressure vessel for external diameter, because suit arm appearance and size is larger, shell can not penetrate set
Arm is filled, therefore set reload request can not be met;
2) for the vertical double structural pressure container filled using pearlife, under inner pressurd vessel is required in structure and be outer
End socket group postwelding could be set with.To ensure the depth of parallelism of supporting leg bottom surface and outer low head, typically by supporting leg and outer lower envelope
Head group is set with after being welded into one.Because leg length is longer, tunica dress tire can not be set with.
It is to solve the less pressure vessel of diameter and pearlife vertical storage tank due to the presence of disadvantage mentioned above, in production
Suit is, it is necessary to design and manufacture special bushing device, the need for meeting actual pressure container production.
The content of the invention
The tunica dress tire that the present invention mainly solves present in prior art can not be set with the pressure that external diameter is less than 2000mm
There is provided one kind for the problem of container and the vertical double structural pressure container of pearlife filling can not be set with using tunica dress tire
Double-decker pressure vessel bushing device and method.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals:
A kind of double-decker pressure vessel bushing device, including:
Sleeving trolley, including base and the transverse adjusting mechanism, the height regulating mechanism that are arranged on base;
Trolley track, is at least partially arranged on enclosure bracing ring, for being walked and from outer for the sleeving trolley
Bracing ring is passed through inside shell.
It is preferred that, a kind of above-mentioned double-decker pressure vessel bushing device, the transverse adjusting mechanism includes:With interior
The bottom plate of shell supporting plate, is arranged at the riser of bottom plate both sides;The riser is connected on the column in trolley base by screw mandrel.
It is preferred that, a kind of above-mentioned double-decker pressure vessel bushing device, the height regulating mechanism includes:Top plate,
Side surrounds the riser of body structure under the top plate, is arranged inside body structure and connects top plate and the jacking of trolley base dress
Put;The opposite sides of the body structure is provided with front and rear connecting plate, and the front and rear connecting plate is constituted for inciting somebody to action in tank ends
The moving direction of casing is limited to the stopper slot on the column axial direction that is set in trolley base.
It is preferred that, a kind of above-mentioned double-decker pressure vessel bushing device, the base includes:Bottom plate, is arranged at bottom
Bearing below plate, and it is arranged at the wheel at bearing two ends.
It is preferred that, a kind of above-mentioned double-decker pressure vessel bushing device, trolley track is divided into three sections, and every section of bag
Include:
Including:The angle steel of track is oppositely arranged and constituted, the stiffener plate of both sides angle steel is connected, is arranged at angle steel bottom
Round steel.
A kind of double-decker pressure vessel assembling method, including:Trolley track is at least partially arranged at enclosure branch
On support ring, draw inner pressurd vessel using the sleeving trolley walked on trolley track and assembled into shell, suit is small using being arranged at
Transverse adjusting mechanism, height regulating mechanism Suitable content device and shell relative position in underbody seat.
It is preferred that, a kind of above-mentioned double-decker pressure vessel assembling method specifically includes following steps:
Step 1, shell is positioned on turning rolls;
Step 2, trolley track is divided into three sections, its stage casing is positioned on the bracing ring of shell, forward and backward two sections is put respectively
Put on the steelframe of shell front and back;
Step 3, jacking apparatus is positioned between the top plate of walking dolly height regulating mechanism and base composition, adjustment thousand
The ejection stroke on jin top, makes the height regulating mechanism of walking dolly be in suitable height;
Step 4, two walking dollies are placed on above the trolley track of front end, two walking dollies should be apart from certain
Position;
Step 5, the inner pressurd vessel of double-decker pressure vessel is placed on above two trolley tracks, and by inner pressurd vessel along
Three sections of trolley tracks are slowly pushed into shell, it is ensured that inner pressurd vessel is in the middle position of shell;
Step 6, transverse adjusting mechanism is adjusted, it is ensured that the cross central line of inner pressurd vessel is overlapped with the cross central line of shell,
Adjust height regulating mechanism, it is ensured that the height center line of inner pressurd vessel is overlapped with the height center line of shell;
Step 7, rotation case, it is ensured that the mezzanine space size uniform between inner pressurd vessel and shell, then assembles fiberglass
Component;
Step 8, two walking dollies and trolley track are removed, then carries out the group weldering of two ends end socket.
Therefore, the invention has the advantages that:Assembling of the present invention for double-decker pressure vessel inner pressurd vessel and shell,
The suit of the double-decker pressure vessel of all diameters can be met.The suit frock has simple in construction, and manufacturing cost is low, system
Make that the cycle is short, be set with the effect of efficiency high.In the inner pressurd vessel and shell of the double-decker pressure vessel assembled using the invention
Heart line deviation can meet technical requirements.
Brief description of the drawings
Accompanying drawing 1 be double-decker pressure vessel inner pressurd vessel and shell assembling before schematic diagram;
Accompanying drawing 2 be double-decker pressure vessel inner pressurd vessel and shell assembling after schematic diagram;
Accompanying drawing 3 is walking dolly schematic diagram;
Accompanying drawing 4 is that the right side of accompanying drawing 3 regards schematic diagram;
Accompanying drawing 5 is trolley track schematic diagram;
Accompanying drawing 6 is dolly stepwise schematic views.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.In figure,
1st, walking dolly;2nd, case nose steelframe;3rd, inner pressurd vessel;4th, shell;5th, turning rolls;6th, outer casing back steelframe;7th, front-end track;
8th, intermediate orbit;9th, rear end track;10th, handwheel;11st, screw mandrel;12nd, bolt and nut;13rd, bottom plate;14th, supporting plate;15th, riser;
16th, top plate;17th, riser;18th, connecting plate;19th, channel steel upright post;20th, column stiffener plate;21st, jacking apparatus;22nd, locking screw
Bolt;23rd, upper plate;24th, lower shoe;25th, channel-section steel;26th, bearing;27th, wheel;28th, axle;29th, angle steel 30, stiffener plate 31, circle
Steel.
Embodiment:
1st, double-decker pressure vessel bushing device
The double-decker pressure vessel bushing device of the present embodiment is made up of sleeving trolley, trolley track two parts, sees attached
Shown in Fig. 3-6.
Sleeving trolley the part such as constitutes by transverse adjusting mechanism, height regulating mechanism, base and constituted.Transverse adjusting mechanism,
Height regulating mechanism, base constitute three parts and linked together by welding manner.
Transverse adjusting mechanism, can make mechanism produce transverse movement, so that the inner pressurd vessel center being carried on above mechanism
Line produces cross directional variations.As shown in Figure 3-4, transverse adjusting mechanism is by bottom plate, left and right riser, supporting plate, leading screw, handwheel, fixation
Nut etc. is constituted, and by rotating two ends handwheel, enables bottom plate side-to-side movement.Left and right riser, supporting plate and bottom plate are using weldering
The mode of connecing links together.
Height regulating mechanism, can make mechanism produce the motion of short transverse, so that being carried on the content above mechanism
Device center line produces short transverse change.Height regulating mechanism by two channel steel upright posts, column stiffener plate, top plate, it is front and rear and
Left and right riser, front and rear connecting plate, jacking apparatus, anchor bolt nut composition.Two channel steel upright posts use welding side with base composition
Formula links into an integrated entity.Channel steel upright post and column stiffener plate are linked together using welding manner.Jacking apparatus can be adopted directly
Use jack.Top plate, front and rear riser and left and right riser group are welded into the body structure of bottom surface opening.Body structure is with top plate using weldering
The mode of connecing is connected.Jack is positioned in casing, can realize that top plate moves up and down by adjusting jack.Front and rear connecting plate
It is connected by screw bolts with the front and rear riser of body structure, after both are connected using bolt, front and rear connecting plate limits casing can only
Moved in two channel steel upright posts, jack is also ensure that in addition uses safety.
Wheel on base composition on the angle steel tread of trolley track, enables sleeving trolley along dolly by traveling
Track motion.Base composition is made up of channel-section steel, upper and lower bottom plate, axle, bearing and wheel etc..Channel-section steel, upper and lower bottom plate, axle are using weldering
The mode of connecing links together, and then axle, bearing and wheel are assembled into one.
Trolley track is formed by the group weldering such as angle steel, stiffener plate, round steel.Trolley track is divided into three sections of making, is easy to centre
Section can be moved together with shell.Round steel is welded with trolley track, is easy to trolley track to be extracted out from shell.
2nd, double-decker pressure vessel assembling method
One kind is mainly that three sections of trolley tracks are individually positioned in before shell for double-decker pressure vessel assembling method
On the steelframe of side, on the bracing ring of enclosure and on the steelframe at shell rear, then by inner pressurd vessel and shell assembling device
Two walking dollies be placed on the trolley track in front of shell on steelframe.Inner pressurd vessel is placed on two walking dollies,
Shell is placed on turning rolls, then inner pressurd vessel is pushed into shell, it is ensured that the centre deviation of inner pressurd vessel and shell meets technology
It is required that after, complete the assembling of inner pressurd vessel and shell.As shown in accompanying drawing 1, accompanying drawing 2.
Concretely comprise the following steps:
1) shell is placed on two turning rolls, turning rolls tries one's best to install the area of stiffening ring with shell contact site
Domain;
2) trolley track of interlude is placed on the bracing ring of shell, forward and backward two sections of trolley tracks is placed respectively
On the steelframe of shell front and back;
3) jacking apparatus is positioned between the top plate of walking dolly height regulating mechanism and base composition, adjusts jack
Ejection stroke, the height regulating mechanism of walking dolly is in suitable height;
4) two walking dollies are placed on above the trolley track of front end, two walking dollies should be apart from certain position
Put;
5) inner pressurd vessel of double-decker pressure vessel is placed on above two trolley tracks, and by inner pressurd vessel along three sections
Trolley track is slowly pushed into shell, it is ensured that inner pressurd vessel is in the middle position of shell;
6) transverse adjusting mechanism is adjusted, it is ensured that the cross central line of inner pressurd vessel is overlapped with the cross central line of shell.Adjustment
Height regulating mechanism, it is ensured that the height center line of inner pressurd vessel is overlapped with the height center line of shell;
7) rotation case, it is ensured that the mezzanine space size uniform between inner pressurd vessel and shell, then assembles fiberglass component.
6) two walking dollies and trolley track are removed, then carries out the group weldering of two ends end socket.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (7)
1. a kind of double-decker pressure vessel bushing device, it is characterised in that including:
Sleeving trolley, including base and the transverse adjusting mechanism, the height regulating mechanism that are arranged on base;
Trolley track, is at least partially arranged on enclosure bracing ring, for being walked and out of shell for the sleeving trolley
Portion's bracing ring is passed through.
2. a kind of double-decker pressure vessel bushing device according to claim 1, it is characterised in that described to laterally adjust
Mechanism includes:Bottom plate (4) with inner casing supporting plate (5), is arranged at the riser (6) of bottom plate (4) both sides;The riser (6) is led to
Screw mandrel (2) is crossed to be connected on the column in trolley base (10).
3. a kind of double-decker pressure vessel bushing device according to claim 1, it is characterised in that the height adjustment
Mechanism includes:Top plate (7), surrounds the riser (8) of body structure below top plate (7), is arranged inside body structure and connects
Connect the jacking apparatus (12) of top plate (7) and trolley base;The opposite sides of the body structure is provided with front and rear connecting plate (9),
Connecting plate (9) constitutes the column for the moving direction of casing to be limited to set in trolley base in tank ends before and after described
(10) stopper slot on axial direction.
4. a kind of double-decker pressure vessel bushing device according to claim 1, it is characterised in that the base bag
Include:Bottom plate, is arranged at the bearing (17) below bottom plate, and be arranged at the wheel (18) at bearing (17) two ends.
5. a kind of double-decker pressure vessel bushing device according to claim 1, it is characterised in that trolley track is divided into
Three sections, and every section include:
Including:The angle steel (1) of track is oppositely arranged and constitutes, the stiffener plate (2) of connection both sides angle steel (1) is arranged at angle steel
(1) round steel (3) of bottom.
6. a kind of double-decker pressure vessel assembling method, it is characterised in that including:Trolley track is at least partially arranged at outer
Inside shell on bracing ring, draw inner pressurd vessel using the sleeving trolley walked on trolley track and assembled into shell, utilize setting
In the transverse adjusting mechanism on sleeving trolley base, height regulating mechanism Suitable content device and shell relative position.
7. a kind of double-decker pressure vessel assembling method according to claim 6, it is characterised in that specifically include following
Step:
Step 1, shell is positioned on turning rolls;
Step 2, trolley track is divided into three sections, its stage casing is positioned on the bracing ring of shell, forward and backward two sections is individually positioned in
On the steelframe of shell front and back;
Step 3, jacking apparatus is positioned between the top plate of walking dolly height regulating mechanism and base composition, adjusts jack
Ejection stroke, the height regulating mechanism of walking dolly is in suitable height;
Step 4, two walking dollies are placed on above the trolley track of front end, two walking dollies should be apart from certain position
Put;
Step 5, the inner pressurd vessel of double-decker pressure vessel is placed on above two trolley tracks, and by inner pressurd vessel along three sections
Trolley track is slowly pushed into shell, it is ensured that inner pressurd vessel is in the middle position of shell;
Step 6, transverse adjusting mechanism is adjusted, it is ensured that the cross central line of inner pressurd vessel is overlapped with the cross central line of shell, adjustment
Height regulating mechanism, it is ensured that the height center line of inner pressurd vessel is overlapped with the height center line of shell;
Step 7, rotation case, it is ensured that the mezzanine space size uniform between inner pressurd vessel and shell, then assembles fiberglass component;
Step 8, two walking dollies and trolley track are removed, then carries out the group weldering of two ends end socket.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710575991.XA CN107214463A (en) | 2017-07-14 | 2017-07-14 | A kind of double-decker pressure vessel bushing device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710575991.XA CN107214463A (en) | 2017-07-14 | 2017-07-14 | A kind of double-decker pressure vessel bushing device and method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107214463A true CN107214463A (en) | 2017-09-29 |
Family
ID=59952986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710575991.XA Pending CN107214463A (en) | 2017-07-14 | 2017-07-14 | A kind of double-decker pressure vessel bushing device and method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107214463A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108637970A (en) * | 2018-07-18 | 2018-10-12 | 山东京普太阳能科技股份有限公司 | A kind of enamel inner container chuck automatic assembling apparatus |
CN110369983A (en) * | 2019-06-27 | 2019-10-25 | 大连东建风电设备制造有限公司 | A kind of cryogenic liquid storage tank double-layer structure suit tooling |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1591711A1 (en) * | 2004-04-26 | 2005-11-02 | Mitsubishi Heavy Industries, Ltd. | Fluid connector |
CN101187442A (en) * | 2007-12-17 | 2008-05-28 | 辽河石油勘探局 | Liquefied natural gas tanker container nesting method |
CN101537558A (en) * | 2008-03-18 | 2009-09-23 | 南通中集罐式储运设备制造有限公司 | Assembling stand for assembling tank type vessel and assembling method |
CN202686798U (en) * | 2012-08-13 | 2013-01-23 | 天津腾飞钢管有限公司 | Steel pipe nesting device for steel pipe transportation |
CN202780274U (en) * | 2012-08-03 | 2013-03-13 | 江苏迈能高科技有限公司 | Jacket assembling equipment of inner tank of solar water tank with jacket type heat-exchanging structure |
CN103174931A (en) * | 2013-04-10 | 2013-06-26 | 湘潭嘉顺机械制造有限公司 | Vehicle-mounted LNG (liquefied natural gas) cylinder liner and outer cylinder sleeving device and method |
CN203488972U (en) * | 2013-08-12 | 2014-03-19 | 西安轨道交通装备有限责任公司 | Device for sleeving inner and outer tank body of low-temperature container |
CN204477689U (en) * | 2014-12-31 | 2015-07-15 | 鲁西新能源装备集团有限公司 | A kind of new type low temperature container suit frock |
CN104896301A (en) * | 2015-06-29 | 2015-09-09 | 武汉武船重型装备工程有限责任公司 | Nesting device used in nesting process for high-vacuum multilayer heat-insulating LNG tank for ship |
CN205480186U (en) * | 2015-12-28 | 2016-08-17 | 中车长江车辆有限公司 | Jar body suit spare of bilayer structure tank car |
-
2017
- 2017-07-14 CN CN201710575991.XA patent/CN107214463A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1591711A1 (en) * | 2004-04-26 | 2005-11-02 | Mitsubishi Heavy Industries, Ltd. | Fluid connector |
CN101187442A (en) * | 2007-12-17 | 2008-05-28 | 辽河石油勘探局 | Liquefied natural gas tanker container nesting method |
CN101537558A (en) * | 2008-03-18 | 2009-09-23 | 南通中集罐式储运设备制造有限公司 | Assembling stand for assembling tank type vessel and assembling method |
CN202780274U (en) * | 2012-08-03 | 2013-03-13 | 江苏迈能高科技有限公司 | Jacket assembling equipment of inner tank of solar water tank with jacket type heat-exchanging structure |
CN202686798U (en) * | 2012-08-13 | 2013-01-23 | 天津腾飞钢管有限公司 | Steel pipe nesting device for steel pipe transportation |
CN103174931A (en) * | 2013-04-10 | 2013-06-26 | 湘潭嘉顺机械制造有限公司 | Vehicle-mounted LNG (liquefied natural gas) cylinder liner and outer cylinder sleeving device and method |
CN203488972U (en) * | 2013-08-12 | 2014-03-19 | 西安轨道交通装备有限责任公司 | Device for sleeving inner and outer tank body of low-temperature container |
CN204477689U (en) * | 2014-12-31 | 2015-07-15 | 鲁西新能源装备集团有限公司 | A kind of new type low temperature container suit frock |
CN104896301A (en) * | 2015-06-29 | 2015-09-09 | 武汉武船重型装备工程有限责任公司 | Nesting device used in nesting process for high-vacuum multilayer heat-insulating LNG tank for ship |
CN205480186U (en) * | 2015-12-28 | 2016-08-17 | 中车长江车辆有限公司 | Jar body suit spare of bilayer structure tank car |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108637970A (en) * | 2018-07-18 | 2018-10-12 | 山东京普太阳能科技股份有限公司 | A kind of enamel inner container chuck automatic assembling apparatus |
CN110369983A (en) * | 2019-06-27 | 2019-10-25 | 大连东建风电设备制造有限公司 | A kind of cryogenic liquid storage tank double-layer structure suit tooling |
CN110369983B (en) * | 2019-06-27 | 2024-01-26 | 大连东建风电设备制造有限公司 | Low-temperature liquid storage tank bilayer structure suit frock |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107214463A (en) | A kind of double-decker pressure vessel bushing device and method | |
CN206665743U (en) | A kind of hydraulic pressure loading platform | |
CN108756934A (en) | Run disease tunnel assembled treatment structures construction operation trolley | |
CN201390546Y (en) | Slide for cage cart handling | |
CN107716673A (en) | A kind of automatic rolling production line of automobile | |
CN104373806A (en) | Device for sleeving inner and outer tank body of low-temperature container | |
CN205934732U (en) | Cross two girder tire formula railway T roof beam structure bridge crane of tunnel type | |
CN201224000Y (en) | Gantry welder | |
CN207026846U (en) | The assembly or fitting table of vehicle frame in special-purpose vehicle | |
CN206722849U (en) | A kind of anti-electric bow member car of open cut tunnel charging construction | |
CN110817312A (en) | Rail-mounted hydraulic steel pipe transportation trolley | |
CN104816424B (en) | Solar water tank heat insulation layer double-station foaming production line | |
CN105625772B (en) | A kind of adjustment structure of the movable top pull bar of double-deck garage | |
CN211513899U (en) | High stability big gun fog machine | |
CN202212740U (en) | Sleeve installation moving vehicle | |
CN205206840U (en) | Tunnel lining platform truck portal bearing structure | |
CN106087763A (en) | One crosses the double girder rubber-tyred railway T-girder bridge girder erection of tunnel type and bridging method | |
CN102976240A (en) | Manned lifting platform car | |
CN102178593B (en) | Lifting stretcher | |
CN206588507U (en) | It is a kind of to dock the device being welded for large tank | |
CN207658590U (en) | A kind of transfer device of cargo | |
CN205927610U (en) | Crane end beam welds frock | |
CN206521972U (en) | A kind of three-dimensional bicycle garage storage kickstand structure | |
CN111022083A (en) | Special-shaped supporting beam structure for tunnel trolley | |
CN207463867U (en) | Subway side wall adjusting device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170929 |