CN105084229A - Roof crane and application to roof-midspan longitudinal steel beam hoisting - Google Patents
Roof crane and application to roof-midspan longitudinal steel beam hoisting Download PDFInfo
- Publication number
- CN105084229A CN105084229A CN201510468835.4A CN201510468835A CN105084229A CN 105084229 A CN105084229 A CN 105084229A CN 201510468835 A CN201510468835 A CN 201510468835A CN 105084229 A CN105084229 A CN 105084229A
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- CN
- China
- Prior art keywords
- roofing
- wheel machine
- loop wheel
- connecting rod
- span centre
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- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 239000004567 concrete Substances 0.000 claims description 12
- 238000009408 flooring Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a roof crane and application to roof-midspan longitudinal steel beam hoisting, which belongs to the technical field of building construction. The roof crane can be formed by using local materials on roof site, each roof-midspan longitudinal steel beam can be hoisted in sequence on a roof through the crane and is mounted. The roof-midspan longitudinal steel beam can be demounted after being mounted, and rod pieces can be recycled, so that the investment of the cost per large and medium machine per team can be effectively reduced, the expense of other measure cost can be saved, and meanwhile the time limit for a project can also be effectively ensured.
Description
Technical field
The present invention relates to technical field of building construction, particularly the operating technique of the reinforced concrete frame structure factory building of large span, the large scale of construction, multi storied factory building installation steel roof joist.
Background technology
At present, along with the development of social process of industrialization, the land resources needed for industrial premises construction is more in short supply, and this just requires that the construction of factory building must develop towards multilayer.The form that multi storied industrial factory building generally adopts reinforced concrete frame structure, steel structure colored steel roof combines.Compared with steel-structure factory building, have the advantages that floor area is little, can bear large and medium-sized mechanical equipment heavy load.
When the industrial premises roofing of Multistory reinforced conceete frame Structure carries out steel beam lifting, wheel crane handling less for tonnage along factory building surrounding lifting steel roof joist, or is carried out the lifting of steel roof joist by usual employing large-tonnage wheel crane again to flooring according to girder steel weight.
In view of above-mentioned hanging method, if select large-tonnage wheel crane to lift, then first to carry out ruleization to factory building surrounding wheel crane track route and necessary process is carried out to road foundation, making it meet the requirement of bearing capacity, also will pay high One-Shift Costs simultaneously; If select, wheel crane handling is carried out steel beam lifting operation to flooring, when occurring that floor concrete Bars In Poured Concrete Slab Lack of support carries out lifting operation to bear wheel crane, this needs again to take necessary reinforcement measure to floor concrete, and this undoubtedly also can be very uneconomical and can affect carrying out of other subsequent handlings.
Summary of the invention
For the construction difficult problem of Multistory reinforced conceete frame Structure factory building roof hoisting steel beam, the present invention proposes that a kind of simple structure, processing and fabricating are easy, little from heavy and light, volume, lifting construction facility easily of walking.
The present invention includes the base being provided with U-shaped framework, below base, connect at least four group cardan wheels, base is fixed load-bearing vertical rod, connect electric block in the upper end of vertical rod.
The present invention's making is drawn materials extensive, cheap, can to gather materials on the spot at roofing scene assembling, compared with traditional lifting mode, both effectively to reduce the input of big-and-middle-sized mechanical one-shift expense, can save again the expenditure of other measure cost, the duration have also been obtained effective guarantee simultaneously.Particularly wherein be provided with the base of U-shaped framework, greatly can facilitate whole the movement of loop wheel machine on roofing.This loop wheel machine both conveniently can lift the longitudinal girder steel of roofing span centre, the longitudinal girder steel of roofing end bay, can lift bundled purlin again, greatly can shorten man-hour, reduce labour intensity.
Further, the base being provided with U-shaped framework of the present invention comprises two mobile jibs be parallel to each other, the plane of two mobile jibs welds first connecting rod, second connecting rod and third connecting rod respectively between two mobile jibs, three connecting rods are parallel to each other, three connecting rods and two mobile jibs are arranged vertically respectively, second connecting rod is arranged between first connecting rod and third connecting rod, surrounds the U-shaped plane cavity that roofing column can be made to stretch between described first connecting rod and two mobile jibs; Described cardan wheel is connected to the below of two mobile jibs.This is simple and reasonable for structure, makes the center of gravity of whole loop wheel machine remain on middle part, improves the stability of the loop wheel machine in handling process.
Described load-bearing vertical rod comprises a main vertical rod and two auxiliary vertical rods, the lower end of described main vertical rod is welded on the middle part of first connecting rod, the lower end of two auxiliary vertical rods is welded on second connecting rod respectively, described main vertical rod and two auxiliary vertical rods are parallel to each other and perpendicular to the plane at two mobile jib places, between described main vertical rod and two auxiliary vertical rods, weld some pipe links; Weld a cantilever steel girder in the upper end overhanging type of main vertical rod, described electric block is connected on described cantilever steel girder.
In order to strengthen two auxiliary vertical rods, so the support strength of whole load-bearing vertical rod, and the present invention is also welding with one end of stirrup respectively on two differing heights of the auxiliary vertical rod of every root, and the other end of each stirrup is welded on corresponding mobile jib respectively.
Further, some connecting rods are also welded between two stirrups that also can weld same auxiliary vertical rod.
In order to improve Joint strenght further, the present invention also welds the first small rod between first connecting rod and second connecting rod, welds the second small rod between second connecting rod and third connecting rod.
Another object of the present invention proposes the application of above loop wheel machine in the longitudinal steel beam lifting of roofing span centre, i.e. using method.
Comprise the following steps:
1) form described steel roof joist in roofing assembling to construct unpowered walking loop wheel machine;
2) by cardan wheel by described loop wheel machine horizontal sliding below the roofing column of the longitudinal girder steel of roofing span centre to be installed, and make described roofing column be positioned at the base of the U-shaped framework of described loop wheel machine, rotate the base of described loop wheel machine, make the axis of the vertical concrete beam above base and described roofing column be the angle of 45 ± 20 °;
3) paved by the base of cushion block by described loop wheel machine, make cardan wheel leave flooring plane;
4) above base steel roof joist to be lifted being held on described loop wheel machine;
5) fix at the middle part of the longitudinal girder steel of roofing span centre described to be lifted and fasteningly unload first;
6) the fastening first of unloading at the middle part being positioned at the longitudinal girder steel of roofing span centre to be lifted is docked with the suspension hook of electric block, connect a bearing of body in the air separately at the two ends of the longitudinal girder steel of roofing span centre and control hauling rope;
7) electric block is started, and by pulling two bearing of body in the air to control hauling rope at roofing, what make the longitudinal girder steel of roofing span centre stands to above along the vertical promotion of described roofing column to the pre-embedded bolt exceeding described roofing column upper top, a bearing of body in the air is kept to control the pulling force of hauling rope, after the free end of another root bearing of body in the air control hauling rope is passed from the vertical concrete beam top at the top of described roofing column, controlling hauling rope by this bearing of body in the air of traction again makes the longitudinal girder steel of roofing span centre rotate in the horizontal plane, until the longitudinal girder steel of roofing span centre is vertical with vertical concrete beam,
8) loopback two bearing of body in the air control hauling rope and electric block, bolt hole in the middle part of longitudinal for roofing span centre girder steel is aimed at the pre-embedded bolt of described roofing column upper top, in the bolt hole that pre-embedded bolt is inserted in the middle part of the longitudinal girder steel of roofing span centre, complete the fixed installation of the longitudinal girder steel of roofing span centre and described roofing column immediately;
9) to remove on the longitudinal girder steel of described roofing span centre fastening unloads first, remove after the bearing of body in the air be connected with the two ends of roofing span centre longitudinal direction girder steel controls hauling rope, removes below the base of described loop wheel machine cushion block, removes described loop wheel machine.
The inventive method is simple, reasonable, roofing can carry out order to the longitudinal girder steel of every root roofing span centre and lift and complete installation.Also dismountable after installing, the recyclable recycling of each rod member had both effectively reduced the input of big-and-middle-sized mechanical one-shift expense, can save again the expenditure of other measure cost, and the duration have also been obtained effective guarantee simultaneously.
In addition, in step 3), the distance of electric block and load-bearing vertical rod outer side edges is greater than the distance of load-bearing vertical rod outer side edges apart from post angle, roofing column farthest.Its objective is: electric block and roofing column outer corners have one section of safety distance, do not collide roofing column when guaranteeing steel beam lifting.
Accompanying drawing explanation
Fig. 1 is that standing of loop wheel machine of the present invention sees figure to signal.
Fig. 2 is the direction view of bowing of Fig. 1.
The direction view of bowing that when Fig. 3 is lifting roofing longitudinal span centre girder steel, loop wheel machine is in place.
Detailed description of the invention
One, form steel roof joist in roofing assembling to construct unpowered walking loop wheel machine:
As shown in Figure 1, 2, the base being provided with U-shaped framework of the present invention is made up of two mobile jibs be parallel to each other 1, first connecting rod 2, second connecting rod 3, third connecting rod 4, first small rod 5 and the second small rod 6.First connecting rod 2, second connecting rod 3 and third connecting rod 4 is welded respectively in the plane of two mobile jibs 1 and between two mobile jibs 1, three connecting rods 2,3,4 are parallel to each other, three connecting rods 2,3,4 are also arranged vertically respectively with two mobile jibs 1, between first connecting rod 2 and second connecting rod 3, weld the first small rod 5, between second connecting rod 3 and third connecting rod 4, weld the second small rod 6.
The U-shaped plane cavity that roofing column can be made to stretch into is surrounded between first connecting rod 2 and two mobile jibs 1.
In the below of two mobile jibs 1, symmetry connects four cardan wheels 7.
Load-bearing vertical rod includes a main vertical rod 8 and two auxiliary vertical rods 9, the lower end of main vertical rod 8 is welded on the middle part of first connecting rod 2 by sheet steel plate, the lower end of two auxiliary vertical rods 9 is welded on second connecting rod 3 respectively by two blocks of sheet steel plates, main vertical rod 8 and two auxiliary vertical rods 9 are parallel to each other, and respectively perpendicular to the plane at two mobile jib 1 places.Weld some pipe links 10 between main vertical rod 8 and two auxiliary vertical rods 9 also densely coveredly.
Weld a cantilever steel girder 11 in the upper end overhanging type of main vertical rod 8, cantilever steel girder connects electric block 12 by hook.
Between the auxiliary vertical rod 9 of every root and corresponding mobile jib 1, weld two stirrups 13 respectively, the upper end of each stirrup 13 is welded on two differing heights of auxiliary vertical rod 9 respectively, and the lower end of each stirrup 13 is welded on corresponding mobile jib 1 respectively.Some connecting rods 14 are also welded between two stirrups 13 that same auxiliary vertical rod 9 is welded.
Two, the application example of loop wheel machine:
1, examination is hung: load is 2 times of single girder steel maximum weight, and weight-lifting equipment adopts the steel rope of 10t electric block and Φ 20mm.With self-control horizontal transport car, girder steel being transported to base top puts steadily, slowly put down steel rope, fastening and carry out examination and carry with unloading first, check loop wheel machine triangle steel tube column, base deformation, confirm safe and punctual after slowly sling, hang seating plane 200 ~ 300 ㎜ and hold lotus about 10 minutes, again checking loop wheel machine triangle steel tube column and base deformation, guarantee that loop wheel machine has enough load-carrying capacitys and safe reliability.
2, by cardan wheel by loop wheel machine horizontal sliding below the roofing column of the longitudinal girder steel of roofing span centre to be installed, and make described roofing column be positioned at the base of the U-shaped framework of described loop wheel machine, rotate the base of described loop wheel machine, make the axis of the vertical concrete beam above base and described roofing column be the angle of 45 ± 20 °.
3, paved by the base of flitch by described loop wheel machine, make cardan wheel leave flooring plane.And make the distance of electric block and load-bearing vertical rod outer side edges be greater than the distance at roofing column and load-bearing vertical rod center.
4, above base steel roof joist to be lifted being held on loop wheel machine.
5, fix at the middle part of the longitudinal girder steel of roofing span centre to be lifted and fasteningly unload first.
6, the fastening first of unloading at the middle part being positioned at the longitudinal girder steel of roofing span centre to be lifted is docked with the suspension hook of electric block, connect a bearing of body in the air separately at the two ends of the longitudinal girder steel of roofing span centre and control hauling rope.
7, start electric block, and by pulling two bearing of body in the air to control hauling rope at roofing, what make the longitudinal girder steel of roofing span centre stands to above along the vertical promotion of described roofing column to the pre-embedded bolt exceeding described roofing column upper top, a bearing of body in the air is kept to control the pulling force of hauling rope, after the free end of another root bearing of body in the air control hauling rope is passed from the vertical concrete beam top at the top of described roofing column, controlling hauling rope by this bearing of body in the air of traction again makes the longitudinal girder steel of roofing span centre rotate in the horizontal plane, until the longitudinal girder steel of roofing span centre is vertical with vertical concrete beam.
8, loopback two bearing of body in the air control hauling rope and electric block, the slightly longitudinal girder steel of below roofing span centre, bolt hole in the middle part of longitudinal for roofing span centre girder steel is aimed at the pre-embedded bolt of described roofing column upper top, in the bolt hole that pre-embedded bolt is inserted in the middle part of the longitudinal girder steel of roofing span centre, complete the fixed installation of the longitudinal girder steel of roofing span centre and described roofing column immediately.
9, to remove on the longitudinal girder steel of described roofing span centre fastening unloads first, the bearing of body in the air that the two ends of removing girder steel longitudinal with roofing span centre are connected controls hauling rope, cushion block below the base removing described loop wheel machine, then removes described loop wheel machine, enters the lifting of the longitudinal girder steel of next block face span centre.
Claims (8)
1. a roofing loop wheel machine, is characterized in that comprising the base being provided with U-shaped framework, connects at least four group cardan wheels, base is fixed load-bearing vertical rod below base, connects electric block in the upper end of vertical rod.
2. roofing loop wheel machine according to claim 1, the base being provided with U-shaped framework described in it is characterized in that comprises two mobile jibs be parallel to each other, the plane of two mobile jibs welds first connecting rod, second connecting rod and third connecting rod respectively between two mobile jibs, three connecting rods are parallel to each other, three connecting rods and two mobile jibs are arranged vertically respectively, second connecting rod is arranged between first connecting rod and third connecting rod, surrounds the U-shaped plane cavity that roofing column can be made to stretch between described first connecting rod and two mobile jibs; Described cardan wheel is connected to the below of two mobile jibs.
3. roofing loop wheel machine according to claim 2, it is characterized in that described load-bearing vertical rod comprises a main vertical rod and two auxiliary vertical rods, the lower end of described main vertical rod is welded on the middle part of first connecting rod, the lower end of two auxiliary vertical rods is welded on second connecting rod respectively, described main vertical rod and two auxiliary vertical rods are parallel to each other and perpendicular to the plane at two mobile jib places, between described main vertical rod and two auxiliary vertical rods, weld some pipe links; Weld a cantilever steel girder in the upper end overhanging type of main vertical rod, described electric block is connected on described cantilever steel girder.
4. roofing loop wheel machine according to claim 3, it is characterized in that welding with one end of stirrup respectively on two differing heights of the auxiliary vertical rod of every root, the other end of each stirrup is welded on corresponding mobile jib respectively.
5. roofing loop wheel machine according to claim 4, is characterized in that also welding some connecting rods between two stirrups welding same auxiliary vertical rod.
6. roofing loop wheel machine according to Claims 2 or 3 or 4 or 5, is characterized in that between first connecting rod and second connecting rod, weld the first small rod, welds the second small rod between second connecting rod and third connecting rod.
7. the application of the roofing loop wheel machine as described in claim 1 or 2 or 3 or 4 or 5 in the longitudinal steel beam lifting of roofing span centre, is characterized in that comprising the following steps:
1) form described steel roof joist in roofing assembling to construct unpowered walking loop wheel machine;
2) by cardan wheel by described loop wheel machine horizontal sliding below the roofing column of the longitudinal girder steel of roofing span centre to be installed, and make described roofing column be positioned at the base of the U-shaped framework of described loop wheel machine, rotate the base of described loop wheel machine, make the axis of the vertical concrete beam above base and described roofing column be the angle of 45 ± 20 °;
3) paved by the base of cushion block by described loop wheel machine, make cardan wheel leave flooring plane;
4) above base steel roof joist to be lifted being held on described loop wheel machine;
5) fix at the middle part of the longitudinal girder steel of roofing span centre described to be lifted and fasteningly unload first;
6) the fastening first of unloading at the middle part being positioned at the longitudinal girder steel of roofing span centre to be lifted is docked with the suspension hook of electric block, connect a bearing of body in the air separately at the two ends of the longitudinal girder steel of roofing span centre and control hauling rope;
7) electric block is started, and by pulling two bearing of body in the air to control hauling rope at roofing, what make the longitudinal girder steel of roofing span centre stands to above along the vertical promotion of described roofing column to the pre-embedded bolt exceeding described roofing column upper top, a bearing of body in the air is kept to control the pulling force of hauling rope, after the free end of another root bearing of body in the air control hauling rope is passed from the vertical concrete beam top at the top of described roofing column, controlling hauling rope by this bearing of body in the air of traction again makes the longitudinal girder steel of roofing span centre rotate in the horizontal plane, until the longitudinal girder steel of roofing span centre is vertical with vertical concrete beam,
8) loopback two bearing of body in the air control hauling rope and electric block, bolt hole in the middle part of longitudinal for roofing span centre girder steel is aimed at the pre-embedded bolt of described roofing column upper top, in the bolt hole that pre-embedded bolt is inserted in the middle part of the longitudinal girder steel of roofing span centre, complete the fixed installation of the longitudinal girder steel of roofing span centre and described roofing column immediately;
9) to remove on the longitudinal girder steel of described roofing span centre fastening unloads first, remove after the bearing of body in the air be connected with the two ends of roofing span centre longitudinal direction girder steel controls hauling rope, removes below the base of described loop wheel machine cushion block, removes described loop wheel machine.
8. application according to claim 7, is characterized in that in step 3), and the distance of electric block and load-bearing vertical rod outer side edges is greater than the distance of load-bearing vertical rod outer side edges apart from post angle, roofing column farthest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468835.4A CN105084229B (en) | 2015-08-04 | 2015-08-04 | Roof crane and application to roof-midspan longitudinal steel beam hoisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468835.4A CN105084229B (en) | 2015-08-04 | 2015-08-04 | Roof crane and application to roof-midspan longitudinal steel beam hoisting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105084229A true CN105084229A (en) | 2015-11-25 |
| CN105084229B CN105084229B (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510468835.4A Expired - Fee Related CN105084229B (en) | 2015-08-04 | 2015-08-04 | Roof crane and application to roof-midspan longitudinal steel beam hoisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105084229B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110203A (en) * | 2015-08-04 | 2015-12-02 | 江苏扬州建工建设集团有限公司 | Roof crane and application thereof in hoisting roof side-span longitudinal steel beams |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB586486A (en) * | 1944-08-09 | 1947-03-20 | Wilson James | Portable hydraulic jack crane |
| CN101927963A (en) * | 2009-06-23 | 2010-12-29 | 上海海星阀门总厂 | Lift-press lock catch foldable crane |
| CN105110203A (en) * | 2015-08-04 | 2015-12-02 | 江苏扬州建工建设集团有限公司 | Roof crane and application thereof in hoisting roof side-span longitudinal steel beams |
-
2015
- 2015-08-04 CN CN201510468835.4A patent/CN105084229B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB586486A (en) * | 1944-08-09 | 1947-03-20 | Wilson James | Portable hydraulic jack crane |
| CN101927963A (en) * | 2009-06-23 | 2010-12-29 | 上海海星阀门总厂 | Lift-press lock catch foldable crane |
| CN105110203A (en) * | 2015-08-04 | 2015-12-02 | 江苏扬州建工建设集团有限公司 | Roof crane and application thereof in hoisting roof side-span longitudinal steel beams |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110203A (en) * | 2015-08-04 | 2015-12-02 | 江苏扬州建工建设集团有限公司 | Roof crane and application thereof in hoisting roof side-span longitudinal steel beams |
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| Publication number | Publication date |
|---|---|
| CN105084229B (en) | 2017-05-17 |
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Granted publication date: 20170517 |