CN105880932B - A kind of process equipment and processing method of combined shaft frame - Google Patents
A kind of process equipment and processing method of combined shaft frame Download PDFInfo
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- CN105880932B CN105880932B CN201410814734.3A CN201410814734A CN105880932B CN 105880932 B CN105880932 B CN 105880932B CN 201410814734 A CN201410814734 A CN 201410814734A CN 105880932 B CN105880932 B CN 105880932B
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Abstract
The invention discloses a kind of process equipments of combined shaft frame, are related to the manufacture field of Steel structure equipment.The process equipment includes platform, at least 2 left vertical beams and at least 2 right vertical beams, the platform is horizontally disposed plate platform, concrete platform or steel structure platform, and the left side stands fine strain of millet and is mutually parallel, is symmetrical arranged with right vertical beam and be longitudinal arranged in a straight line and be vertically located in platform.Process equipment of the present invention is simple in structure, low cost, facilitates the derrick of production different size, high precision machining, and assembling is good.The invention also discloses a kind of processing method of combined shaft frame, the processing method uses process equipment as described above, and includes stock, processing side frame, reach the standard grade, weld, cutting, exiting, repeating, mend the job steps such as long.Processing method of the present invention is simple and convenient, easy to operate, and production process has continuity, work efficiency high.The present invention is applicable in production combined shaft frame and derrick crane pylon.
Description
Technical field
The present invention relates to a kind of process equipment and processing methods, are set more particularly to a kind of processing of steel construction elevator well frame
Standby and processing method.
Background technology
ZL201120325842.6 discloses a kind of elevator shaft wall assembled using combined shaft frame, the combined type
Derrick is produced in factory normalization, and live direct-assembling, derrick is protected from weather influences in plant produced, and short time limit can save
Processing cost, but since derrick assembling and the requirement of guide rail installation, derrick processing request have very high precision, otherwise respectively save derrick
Just derrick can not be respectively saved not on same perspective plane after Dock With Precision Position, or installation, or even influence the technology requirement of guide rail installation.And
Ensure the machining accuracy of derrick, according to the conventional method, it is necessary to make large-scale mould bases in advance, steel are after cutting in mould bases
Interior carry out positioning welding.Mould bases processing method not only can not achieve high efficiency, the production of successional continuous productive process formula, but also due to not
Same brand, the elevator of different model and different story heights have the dimensions of derrick different requirements, therefore manufacturer wants
Prepare the mould bases of different size, this just necessarily greatly increases the production cost of derrick, therefore the process equipment of combined shaft frame and adds
Work method is urgently innovated.
Invention content
For the above problem of combined shaft frame processing, an object of the present invention is to provide a kind of adding for combined shaft frame
Construction equipment, process equipment of the present invention is simple in structure, low cost, facilitates the derrick of production different size, high precision machining,
Assembling is good.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
A kind of combined shaft frame process equipment, the process equipment include platform and at least 2 left vertical beams, and described is flat
Platform is that horizontally disposed, described left vertical beam is longitudinal arranged in a straight line and is vertically located in platform.
The platform can be plate platform, concrete platform or steel structure platform, and the steel structure platform includes 2
Straight frame and at least 2 crossbearers, the crossbearer laterally hangs down with straight frame to be connect, and the steel structure platform upper surface can cover steel plate.
For convenience of the left and right side frame of fixation, the process equipment includes at least 2 right vertical beams, the right vertical beam and a left side
Vertical beam is mutually parallel, is symmetrical arranged and is vertically located in platform.
For convenience of the spacing adjusted between left and right vertical beam, the derrick of different size, the left vertical beam and/or the right side are produced
Vertical beam is fixedly arranged on platform by bolt.
The fixation of side frame, the processing when to ensure that left vertical beam or right vertical beam are on same vertical plane, and facilitate processing
Equipment includes at least 1 left longeron and at least 1 right vertical beam, and the left longeron level is set on the inside of left vertical beam, and passes through spiral shell
Bolt and left vertical beam are affixed, and the right vertical beam level is set on the inside of right vertical beam, and affixed by bolt and right vertical beam.
To ensure that the connecting seat of bottom derrick forms orthogonal three-dimensional surface, the process equipment with each side of derrick
Including baffle, the quadrangle of the baffle is equipped with connecting seat mounting hole, and the baffle is vertically fixedly arranged on the front side of platform, and with a left side
The medial surface of vertical beam and right vertical beam keeps vertical or vertical with the holding of the medial surface of left longeron and right vertical beam.
Back-and-forth motion operation is carried out in process for convenience of derrick, the process equipment includes coaster or roller,
It is moved on the platform that the coaster or roller can be between left vertical beam and right vertical beams.
For combined shaft frame in terms of processing technology the problem of, it is a further object of the present invention to provide a kind of combined type wells
The processing method of frame, processing method of the present invention is simple and convenient, easy to operate, and production process has continuity, work efficiency high.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：A kind of processing method of combined shaft frame, institute
The processing method stated uses process equipment as described above, and includes the following steps：
Step 1 stock operation
Column of stocking up processes connecting seat and guide rail bracket by design length cutting crossbeam, door beam and tie rod by design requirement；
Step 2 processes side frame
Left and right column is fixed on platform by design requirement, crossbeam is welded in left and right column one by one, forms derrick side
Frame；It repeats this step and processes remaining side frame, it is spare to exit platform；
Step 3 is reached the standard grade operation
By design requirement by 2 side frames symmetrically inside of the side by being fixed on left vertical beam and right vertical beam, or by 2 side frames
Symmetrically side is by being fixed on the inside of left longeron and right vertical beam, and its front end is made to abut against baffle, and sets it in coaster or roller
On；
Step 4 weld job
By design requirement between left and right side frame positioning welding crossbeam, Men Liang, tie rod and guide rail bracket, baffle is exited, vertical
Column front end positioning welding connecting seat forms more piece derrick disjunctor by above-mentioned operation；
Step 5 cutting operation
Equidistant cutting is carried out by 4 columns of design height pair of single-unit derrick, welds connecting seat respectively by design requirement
The front and rear ends of each column notch are connected to, Section 1 derrick monomer is formed；
Step 6 exits operation
Section 1 derrick monomer is exited into platform, positioning welding cage guide frame and other in relation to connector, be detected and
Repair welding operation；
Step 7 repeats operation
Still uncut derrick disjunctor is moved forward into original Section 1 derrick location, repeats step 5--6, completes Section 2 well
The processing operation of frame monomer；
Step 8 mends long operation
By design requirement mend it is long weld left and right side frame, repeat step 7, continue to complete the 3rd, 4,5,6...... section derrick lists
The processing operation of body.
The advantages of combined shaft frame process equipment of the present invention：
One, simple in structure, low cost
Process equipment of the present invention includes platform, vertical beam, longeron, and baffle and coaster etc., the process equipment is simple in structure,
It is easily worked, occupied ground is few, invests small, low cost.
Two, the derrick of different size can be produced
In process, the spacing of process equipment each section of the present invention can be adjusted and be positioned by design requirement,
Therefore the depth and width of derrick and height can be processed by design requirement, therefore the well of different size can be produced using this equipment
Frame.
Three, it can ensure the machining accuracy of derrick
Plane and baffle-panels where the platform of this process equipment, vertical beam (or longeron) are orthogonal three-dimensional surface,
Each side of derrick assembly processed by design requirement in this equipment also forms orthogonal three-dimensional surface, it is possible thereby to ensure
The assembly of derrick is fallen on same perspective plane；Welded on this process equipment all components can by design requirement precise positioning,
Therefore it can ensure the machining accuracy of derrick.
Four, assembling is good, and derrick may be implemented and assemble the operation that do not over-fire
In process, the related component such as the guide rail bracket of elevator, sill frame and layer door door machine mounting bracket can be in derrick
Upper precise positioning welds in advance, therefore derrick operation, it can be achieved that derrick assembling does not over-fire with excellent assembly performance, advantageous to contract
Casual labourer's phase saves mounting cost, improves antiseptic property.
The advantages of combined shaft frame processing method of the present invention：
One, simple and convenient processing method, easy to operate
The processing operation of the present invention is largely completed on platform, and operation can be solid by fixture by design requirement on platform
Determine workpiece and carry out positioning welding, positioning and adjusting method are simple and convenient and easy to operate.
Two, production process has continuity, and the production of continuous productive process formula may be implemented, and work efficiency is high
Actually at derrick production line, technological process has continuity, makees in process process equipment of the present invention
Industry place can be sufficiently spread out, and worker can be divided into multigroup while operation, favorably improve working efficiency.
Description of the drawings
1 schematic diagram of Fig. 1 combined shaft frame process equipments scheme
2 schematic diagram of Fig. 2 combined shaft frame process equipments scheme
3 schematic diagram of Fig. 3 combined shaft frame process equipments scheme
Fig. 4 coaster schematic diagrames
Fig. 5 roller schematic diagrames
Fig. 6 cramp frame schematic diagrames
Fig. 7 steps 2 Processing Side Frame operation schematic diagram
Mono- side frames of Fig. 8 steps 3--4 are reached the standard grade and beam welding operation schematic diagram
Fig. 9 step 5--- columns are cut and connecting seat weld job schematic diagram
Figure 10 step 6--- derrick monomer finished product schematic diagrames
Figure 11 pedestal mould bases schematic diagrames
In figure：101 crossbeam of column, 102 107 connecting seat mounting hole of beam 103 tie rod, 106 connecting seat, 108 platforms 21
Left 24 coasters of longeron 23A right vertical beams 23B baffles of the left right vertical beam 22B of vertical beam 22A of 211 crossbearer 212 of straight frame or roller 25
Specific implementation mode
Embodiment one：The present invention includes the process equipment of combined shaft frame and adding using equipment production combined shaft frame
Work method.As shown in figure 3, a kind of combined shaft frame process equipment, including 21,4 left vertical beam 22A of platform and 4 right vertical beams
22B, the platform 21 are horizontally disposed steel plate, and upper surface is horizontal plane；The left vertical beam 22A and right vertical beam 22B
It is mutually parallel, is symmetrical arranged and be respectively longitudinal arranged in a straight line and be vertically located in platform 21, the left vertical beam 22A and right vertical beam
22B can be square steel tube, and channel steel, angle steel or I-steel, the present embodiment is using channel steel.For ensure left vertical beam 22A, platform 21 and after
The relative position stated between 24 three of baffle is constant, and left vertical beam 22A is fixedly arranged on platform 21 by welding, and right vertical beam 22B then passes through
High-strength bolt is connect with platform 21, so that the spacing between left vertical beam 22A and right vertical beam 22B is wanted by design using this programme
It asks and is adjusted, so as to adjust the spacing between left and right column 101, to facilitate the derrick of production different size.
As shown in figure 3, the process equipment includes 2 left longeron 23A and 2 right vertical beam 23B, the left longeron
23A levels are set on the inside of left vertical beam 22A, and affixed by bolt and left vertical beam 22A, and the right vertical beam 23B levels are set to the right side
On the inside of vertical beam 22B, and it is affixed by bolt and right vertical beam 22B.The purpose that left longeron 23A and right vertical beam 23B is arranged is：1, it is used for
Homonymy vertical beam is connected, makes to fall in the same plane on the inside of homonymy vertical beam；2, move in parallel homonymy vertical beam, facilitate it is left,
The adjusting of spacing between right vertical beam；3, convenient vertical columns on longeron；4, the weldering of upper each crossbeam is drawn in longeron by design requirement
Position is connect, so as to positioning welding crossbeam.
As shown in figure 3, the process equipment includes baffle 24, the quadrangle of the baffle 24 is equipped with connecting seat mounting hole
108, for installing connecting seat 107；The baffle 24 is vertically fixedly arranged on the front side of platform 21, and vertical with left vertical beam 22A and the right side
The medial surface of beam 22B keeps vertical, and the effect of baffle 24 is to carry out sag calibration, and workpiece front is abutted against baffle 24 when processing,
Keep workpiece front end face vertical with longeron face and flat surface holding.
Such as Fig. 4 -- shown in 5, the process equipment includes coaster or roller 25, and the coaster or roller 25 can be vertical on a left side
It is moved on platform 21 between beam 22A and right vertical beam 22B.In process, workpiece is placed on coaster or roller 25, setting
The purpose of coaster or roller 25 is that workpiece is moved forward and backward for convenience, the operations such as to be abutted against, cut, exited and lengthened.
The present embodiment further includes the processing method of combined shaft frame.The processing method of the combined shaft frame uses as above
The process equipment, the processing method include the following steps：
Step 1 stock operation
Column 101 of stocking up is processed by design length cutting processing crossbeam 102, door beam 103 and tie rod 106 by design requirement
Connecting seat 107 and guide rail bracket；
Step 2 processes side frame
As shown in fig. 7, fix left and right column 101 on platform 21 by design requirement, by crossbeam 102 be welded in one by one it is left,
Right column 101 forms derrick side frame；It repeats this step and processes remaining side frame, it is spare to exit platform 21；
Step 3 is reached the standard grade operation
See Fig. 8, by design requirement by 2 side frames symmetrically inside of the side by being fixed on left longeron 23A and right vertical beam 23B,
Cramp frame (cramp frame is shown in Fig. 6) can be used in stationary fixture, and its front end is made to abut against baffle 24, and sets it in coaster or roller 25
On；
Step 4 weld job
By design requirement between left and right side frame positioning welding crossbeam 102, door beam 103 and tie rod 106, exit baffle 24,
In 101 front end positioning welding connecting seat 107 of column, more piece derrick disjunctor is formed by above-mentioned operation；
Step 5 cutting operation
See Fig. 9, equidistant cutting is carried out by 4 columns 101 of design height pair of single-unit derrick, will be connected by design requirement
Seat 107 is respectively welded in the front and rear ends of 101 notch of each column, forms Section 1 derrick monomer；
Step 6 exits operation
See Figure 10, Section 1 derrick monomer exited into platform 21, positioning welding cage guide frame and other in relation to connector,
It is detected and repair welding operation；
Step 7 repeats operation
Still uncut derrick disjunctor is moved forward into original Section 1 derrick location, repeats step 5--6, completes Section 2 well
The processing operation of frame monomer；
Step 8 mends long operation
By design requirement mend it is long weld left and right side frame, repeat step 7, continue to complete the 3rd, 4,5,6...... section derrick lists
The processing operation of body.
Process equipment of the present invention is simple in structure, is easily worked, and occupied ground is few, invests small, low cost.Using this
Equipment processing derrick has three big advantages：
First, the derrick of different size can be produced.In process, the spacing of process equipment each section of the present invention is equal
It can be adjusted and be positioned by design requirement, therefore the depth and width of derrick and height can be processed by design requirement, therefore use
This equipment can produce the derrick of different size.
Second is that high precision machining.Plane and baffle-panels where the platform of this process equipment, vertical beam (or longeron) are phase
Mutually vertical three-dimensional surface, each side of derrick assembly processed by design requirement in this equipment also form orthogonal three-dimensional
Face, it is possible thereby to ensure that the assembly of derrick is fallen on same perspective plane；All components are welded on this process equipment can be by setting
Meter requires precise positioning, therefore the derrick of this equipment processing is used to have very high precision.
Third, assembling is good, derrick may be implemented and assemble the operation that do not over-fire.In process, the guide rail bracket of elevator,
The related component such as bank frame and layer door door machine mounting bracket can on derrick precise positioning, in advance weld, therefore derrick have it is excellent
Assembly performance operation, it can be achieved that derrick assembling does not over-fire, favorably shortens the construction period, saves mounting cost, improve the anti-corrosive properties of derrick
Energy.
It is easy, easy to operate using process equipment of the present invention processing derrick method.Process equipment of the present invention actually at
Derrick production line, technological process have continuity, and Active workings can be sufficiently spread out in process, and worker is segmented into stock
Group reorganizes and outfit group, welding group and repair welding group is multigroup while operation, above-mentioned each group are not interfere with each other, and Active workings can be sufficiently spread out, can be with
It realizes the production of continuous productive process formula, favorably improves working efficiency.
The present invention cannot be only used for production derrick, it may also be used for the standard knot of production and construction elevator and the pylon of tower crane.
Embodiment two：The process equipment of the present embodiment in addition to not setting left longeron 23A and right vertical beam 23B, remaining structure with
Embodiment one is identical, sees Fig. 1.In the case where not setting left longeron 23A and right vertical beam 23B, left vertical beam 22A and right vertical beam 22B it
Between spacing can be fixed by pull rod (not shown).When being processed operation using the process equipment of the present embodiment,
Step 1, step 2 are together with embodiment.Due to not setting left and right longeron, right vertical beam 22B and left vertical beam 22A are only adjusted in step 3
Between level interval and be fixed by pull rod；In step 3, left and right side frame is individually fixed in left vertical beam 22A or the right side
The inside of vertical beam 22B, step 4--8 is together with embodiment.
Than the above described, concrete platform or steel structure platform can be used in platform 21.See Fig. 2, the steel knot
Structure platform includes 2 straight framves 211 and at least 2 crossbearers 212, and 211 transverse direction of the crossbearer 212 and straight frame is vertical to be connect and level is set
It sets, the steel structure platform upper surface can cover steel plate.
In other embodiments, depending on length of the quantity of left vertical beam 22A and right vertical beam 22B by platform 21, but extremely per side
It need to be equipped with 2 less；In addition to embodiment, left vertical beam 22A and right vertical beam 22B and the connection of platform 21 also have 3 kinds of schemes：
1,21 vertical welding of right vertical beam 22B and platform, left vertical beam 22A, which is hung down by high-strength bolt with platform 21, to be connect；
2, left vertical beam 22A and right vertical beam 22B is hung down by high-strength bolt and platform 21 and is connect；
3, left vertical beam 22A and the right equal vertical weldings of vertical beam 22B are in platform 21.
Tie rod 106 is horizontally arranged at the diagonal of left and right or forward and backward crossbeam, effect be prevent derrick transport,
Angular deformation occurs in hoisting process, derrick can be cut off after being completed.
For convenience of the installation accuracy of bottom derrick, the process equipment further includes pedestal mould bases, sees Figure 11.Pedestal mould bases
For square shape plank frame or frame structure, quadrangle is equipped with connecting seat mounting hole 108, connecting seat peace by design requirement
Hole 108 is filled with the assembly hole on bottom derrick connecting seat 107 to coordinate.Pedestal mould bases is acknowledgment copy, and the derrick of different size has
The pedestal mould bases of its standard.Pedestal mould bases can be fixed on baffle 24 by derrick when processing, and be pacified by the connecting seat on pedestal mould bases
Fill 108 positioning welding derrick connecting seat 107 of hole；Base mold can be placed on foundation pit when foundation pit civil engineering, by being set to pedestal
108 positioning welding of connecting seat mounting hole on mould bases is fixedly mounted with the foundation bolt used in bottom derrick.
Claims (2)
1. a kind of combined shaft frame process equipment, it is characterized in that：The process equipment includes that platform (21), at least 2 left sides are vertical
Beam (22A) and at least 2 right vertical beams (22B), the platform (21) are that horizontally disposed, described left vertical beam (22A) is longitudinal
Arranged in a straight line and be vertically located in platform (21), the right vertical beam (22B) is mutually parallel with left vertical beam (22A), is symmetrical arranged
And platform (21) is vertically located in by bolt；
The platform (21) can be plate platform or concrete platform；
The process equipment includes at least 1 left longeron (23A) and at least 1 right vertical beam (23B), the left longeron
(23A) is horizontal to be set on the inside of left vertical beam (22A), and right vertical beam (23B) water affixed by bolt and left vertical beam (22A), described
It is flat to be set on the inside of right vertical beam (22B) and affixed by bolt and right vertical beam (22B)；
The process equipment includes baffle (24), and the quadrangle of the baffle (24) is equipped with connecting seat mounting hole (108), the gear
Plate (24) is vertically fixedly arranged on the front side of platform (21), and keeps hanging down with the medial surface of left vertical beam (22A) and right vertical beam (22B)
Directly, or it is vertical with the holding of the medial surface of left longeron (23A) and right vertical beam (23B)；
The process equipment includes coaster or roller (25), and the coaster or roller (25) can be vertical in left vertical beam (22A) and the right side
It is moved on platform (21) between beam (22B).
2. a kind of processing method of combined shaft frame, it is characterized in that：The processing method is added using as described in claim 1
Construction equipment, and include following procedure of processing：
Step 1 stock operation
Column (101) of stocking up is processed by design length cutting crossbeam (102), door beam (103) and tie rod (106) by design requirement
Connecting seat (107) and guide rail bracket；
Step 2 processes side frame
Left and right column (101) is fixed on platform (21) by design requirement, and crossbeam (102) is welded in left and right column one by one
(101), derrick side frame is formed；It repeats this step and processes remaining side frame, it is spare to exit platform (21)；
Step 3 is reached the standard grade operation
By design requirement by 2 side frames symmetrically inside of the side by being fixed on left vertical beam (22A) and right vertical beam (22B), or by 2
Symmetrically side and makes its front end abut against baffle to a side frame by being fixed on the inside of left longeron (23A) and right vertical beam (23B)
(24), and it is set on coaster or roller (25)；
Step 4 weld job
By design requirement between left and right side frame positioning welding crossbeam (102), door beam (103) and tie rod (106), exit baffle
(24), in column (101) front end positioning welding connecting seat (107), more piece derrick disjunctor is formed by above-mentioned operation；
Step 5 cutting operation
Equidistant cuttings are carried out by 4 columns (101) of design height pair of single-unit derrick, by design requirement by connecting seat (107)
It is respectively welded in the front and rear ends of each column (101) notch, forms Section 1 derrick monomer；
Step 6 exits operation
Section 1 derrick monomer is exited into platform (21), positioning welding cage guide frame and other in relation to connector, be detected and
Repair welding operation；
Step 7 repeats operation
Still uncut derrick disjunctor is moved forward into original Section 1 derrick location, repeats step 5--6, completes Section 2 derrick list
The processing operation of body；
Step 8 mends long operation
Left and right side frame is welded by design requirement benefit is long, repeats step 7, continues to complete adding for the 3rd, 4,5,6 ... section derrick monomers
Work industry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814734.3A CN105880932B (en) | 2014-12-09 | 2014-12-09 | A kind of process equipment and processing method of combined shaft frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814734.3A CN105880932B (en) | 2014-12-09 | 2014-12-09 | A kind of process equipment and processing method of combined shaft frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880932A CN105880932A (en) | 2016-08-24 |
| CN105880932B true CN105880932B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410814734.3A Expired - Fee Related CN105880932B (en) | 2014-12-09 | 2014-12-09 | A kind of process equipment and processing method of combined shaft frame |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378519B (en) * | 2017-09-05 | 2019-05-21 | 洛阳霍鑫机电科技有限公司 | A kind of stainless steel welded formula combined platform production method |
| CN107378520B (en) * | 2017-09-05 | 2023-11-10 | 洛阳霍鑫机电科技有限公司 | Stainless steel welding type combined platform |
| CN109048252A (en) * | 2018-08-20 | 2018-12-21 | 合肥君富机械有限公司 | A kind of novel left vertical beam |
| CN110142544B (en) * | 2019-04-08 | 2021-04-13 | 广东凯兴达建筑科技有限公司 | Modular elevator shaft assembly welding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768272A (en) * | 1987-05-18 | 1988-09-06 | Modern Welding Company, Inc. | Tank assembly arrangement |
| CN201664832U (en) * | 2010-04-06 | 2010-12-08 | 海城市石油机械制造有限公司 | Head frame welding platform |
| CN202245617U (en) * | 2011-01-04 | 2012-05-30 | 张向阳 | Elevator well wall assembled by adopting combined type derricks |
| CN203160683U (en) * | 2012-11-08 | 2013-08-28 | 广西建工集团第五建筑工程有限责任公司 | Elevator well mold lifting system |
| CN204504575U (en) * | 2014-12-09 | 2015-07-29 | 张向阳 | A kind of process equipment of combined shaft frame |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2930800B2 (en) * | 1992-04-09 | 1999-08-03 | 株式会社日立ビルシステム | Shaft block of unit type elevator and method of mounting the same |
-
2014
- 2014-12-09 CN CN201410814734.3A patent/CN105880932B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768272A (en) * | 1987-05-18 | 1988-09-06 | Modern Welding Company, Inc. | Tank assembly arrangement |
| CN201664832U (en) * | 2010-04-06 | 2010-12-08 | 海城市石油机械制造有限公司 | Head frame welding platform |
| CN202245617U (en) * | 2011-01-04 | 2012-05-30 | 张向阳 | Elevator well wall assembled by adopting combined type derricks |
| CN203160683U (en) * | 2012-11-08 | 2013-08-28 | 广西建工集团第五建筑工程有限责任公司 | Elevator well mold lifting system |
| CN204504575U (en) * | 2014-12-09 | 2015-07-29 | 张向阳 | A kind of process equipment of combined shaft frame |
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| CN105880932A (en) | 2016-08-24 |
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