CN110577146A - Lifting appliance and method for removing old bridge body - Google Patents
Lifting appliance and method for removing old bridge body Download PDFInfo
- Publication number
- CN110577146A CN110577146A CN201910938086.5A CN201910938086A CN110577146A CN 110577146 A CN110577146 A CN 110577146A CN 201910938086 A CN201910938086 A CN 201910938086A CN 110577146 A CN110577146 A CN 110577146A
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- China
- Prior art keywords
- section
- old bridge
- bridge body
- lifting
- balancing
- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 230000000670 limiting effect Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect 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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a lifting appliance and a method for removing an old bridge body, wherein the lifting appliance comprises a plurality of lifting components, the lifting components are arranged on the old bridge body at intervals along the length direction of the old bridge body, each lifting component comprises two lifting parts, the two lifting parts are respectively arranged on two sides of the old bridge body along the width direction of the old bridge body, each lifting part comprises a supporting section, a balancing section, a vertical section and a lifting lug, the upper end and the lower end of the vertical section are respectively fixedly connected to the balancing section and the supporting section, the balancing section and the supporting section are perpendicular to the vertical section, the balancing section and the supporting section extend along the same direction, and the lifting lug is arranged at the top end of the balancing section. The method for dismantling the old bridge body comprises the following steps: s1, using a lifting appliance to pocket two ends of the old bridge body in the length direction; and S2, connecting the crane above the old bridge body to the lifting appliance, and lifting the old bridge body from the upper side. The invention integrally hangs out the old bridge body, so that the old bridge body has a complete structure, and meanwhile, the invention has the advantages of simple and convenient installation, rapid construction and little environmental pollution.
Description
Technical Field
The invention relates to a lifting appliance and a method for removing an old bridge body.
Background
In the current bridge construction, the old bridge body is usually dismantled. The old bridge body is usually dismantled by the following two methods:
The method comprises the following steps: and directly smashing the old bridge body by using a pickaxe machine and then transporting the old bridge body out of the field.
The method 2 comprises the following steps: after the auxiliary structure is removed and the bridge deck system is disconnected, the box girder or the plate girder is directly punched, and the steel wire rope is directly lifted out after penetrating the girder body.
The two methods produce permanent damage to the old bridge body, and have the disadvantages of long time consumption, high construction noise, serious dust pollution and high danger.
Disclosure of Invention
the invention aims to overcome the defects of long time, high construction noise, serious pollution, high risk and the like of destroying an old bridge body in the prior art, and provides a lifting appliance and a method for removing the old bridge body.
The invention solves the technical problems through the following technical scheme:
The utility model provides a lifting appliance, a used for handling the old bridge body, a serial communication port, the lifting appliance includes a plurality of handling subassembly, a plurality of handling subassembly sets up along its length direction interval on the old bridge body, the handling subassembly includes two handling pieces, two handling pieces are located old bridge body along its width direction's both sides respectively, the handling piece is including supporting the section, balanced section, vertical section and lug, the upper end and the lower extreme of vertical section rigid coupling respectively in balanced section and supporting the section, balanced section and supporting section perpendicular to vertical section, and balanced section and supporting section extend along same direction, balanced section top is located to the lug, wherein, the junction of balanced section and vertical section is first corner, the junction of supporting the section and vertical section is the second corner.
In this scheme, adopt above-mentioned structural style, can wholly hoist old bridge body for old bridge body structural integrity has effectively avoided the permanent destruction to old bridge body. Meanwhile, the hanger is simple and convenient to install, quick to construct and small in environmental pollution.
preferably, the handling piece still includes the stopper, and the stopper can be dismantled and connect in the vertical section to extend along the same direction with support section or balanced section.
In this scheme, the stopper plays limiting displacement, and to the old bridge body of different widths, the length of stopper can be adjusted, supports the side of the old bridge body through the stopper for the support section of handling piece is unlikely to stretch the bottom of second piece roof beam.
Preferably, the handling piece still includes a plurality of reinforcing plate, and first corner and second corner are located respectively to a plurality of reinforcing plate.
in this scheme, first corner and second corner are arc, and the reinforcing plate is located the both sides of first corner symmetry and the both sides of second corner symmetry for the corner of handling piece is more firm.
Preferably, the handling piece still includes the counterweight plate, and the counterweight plate is located the one end and/or the second corner that the vertical section is kept away from to balanced section.
In this scheme, through set up the counterweight plate in balanced section and/or second corner, can change the counter weight of balanced section and support section to solve eccentric problem, make the focus of handling piece basically vertical with the line of centroid.
Preferably, the length of the balancing section is greater than the length of the support section.
in this scheme, the length of balanced section is greater than the length of supporting the section, is favorable to solving the eccentric problem to a certain extent for the focus of handling piece is basically vertical with the line of centroid.
Preferably, the trolley further comprises a spacer fixedly connected to one side of the support section close to the balance section.
In this scheme, the material of gasket can be rubber to increase old bridge bottom and support the friction between the section, in addition, the gasket can reduce the handling piece and the hard contact between the old bridge bottom, thereby protection handling piece, the reuse of the handling piece of being convenient for.
Preferably, the handling piece still includes the balancing weight, and the one end that the vertical section was kept away from to the balancing section is equipped with the cavity, and the balancing weight can be placed in the cavity.
In this scheme, through set up the balancing weight in the cavity of balanced section one end, can change the counter weight of balanced section, be favorable to solving eccentric problem.
Preferably, a plurality of stiffened plates are arranged on the balance section close to the lifting lug.
In this scheme, because the lug department atress of handling spare is great, be close to lug department and set up the gusset on balanced section, can strengthen the structural strength of this position.
preferably, the material of handling piece is the steel sheet, and handling piece is hollow structure.
In this scheme, the handling piece is formed by the steel sheet concatenation, sets up the handling piece into hollow structure, can alleviate the weight of handling piece itself.
the method for dismantling the old bridge body is characterized by comprising the following steps of:
S1, using a lifting appliance to pocket two ends of the old bridge body in the length direction;
And S2, connecting the crane above the old bridge body to the lifting appliance, and lifting the old bridge body from the upper side.
In this scheme, live old bridge through the hoist pocket, wholly hang out old bridge for old bridge is complete in body structure, and simultaneously, the work progress of this method is simple and efficient, and is little to environmental pollution.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
According to the lifting appliance and the method for removing the old bridge body, the old bridge body is held by the lifting appliance, and the old bridge body is lifted out integrally, so that the old bridge body is complete in structure, and meanwhile, the lifting appliance is simple and convenient to install, quick to construct and small in environmental pollution.
Drawings
Fig. 1 is a schematic structural diagram of a lifting piece according to an embodiment of the invention.
FIG. 2 is a schematic cross-sectional view of one end of a balancing section according to an embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view of a first corner of an embodiment of the present invention.
Description of reference numerals:
Lifting part 1
Support section 11
First corner 111
Gasket 112
Balance segment 12
Second corner 121
Stiffened panel 122
Vertical section 13
Stopper 131
lifting lug 14
Reinforcing plate 15
Counterweight plate 16
Old bridge body 2
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, the lifting appliance of the present invention comprises a plurality of lifting components, the lifting components are arranged on an old bridge body 2 at intervals along the length direction thereof, the lifting components comprise two lifting pieces 1, the two lifting pieces 1 are respectively arranged on two sides of the old bridge body 2 along the width direction thereof, the lifting pieces 1 comprise a supporting section 11, a balancing section 12, a vertical section 13 and lifting lugs 14, the upper end and the lower end of the vertical section 13 are respectively fixedly connected to the balancing section 12 and the supporting section 11, the balancing section 12 and the supporting section 11 are perpendicular to the vertical section 13, the balancing section 12 and the supporting section 11 extend along the same direction, the lifting lugs 14 are arranged at the top end of the balancing section 12, wherein the joint of the balancing section 12 and the vertical section 13 is a first corner 111, and the joint of the supporting section 11 and the vertical section 13 is a second corner 121.
In the embodiment, by adopting the structural form, the old bridge body 2 can be integrally lifted, so that the old bridge body 2 has a complete structure, and the permanent damage to the old bridge body 2 is effectively avoided. Meanwhile, the hanger is simple and convenient to install, quick to construct and small in environmental pollution.
As shown in fig. 1, the lifting member 1 further includes a limiting block 131, and the limiting block 131 is detachably connected to the vertical section 13 and extends in the same direction as the supporting section 11 or the balancing section 12.
In this embodiment, the limiting block 131 has a limiting effect, and the length of the limiting block 131 can be adjusted for the old bridge body 2 with different widths, and the limiting block 131 supports the side surface of the old bridge body 2, so that the supporting section 11 of the lifting piece 1 cannot extend to the bottom of the second piece beam.
As shown in fig. 1 and 3, the trolley 1 further includes a plurality of reinforcing plates 15, and the reinforcing plates 15 are respectively disposed at the first corner 111 and the second corner 121.
In this embodiment, the first corner 111 and the second corner 121 are arc-shaped, and the reinforcing plates 15 are located on two symmetrical sides of the first corner 111 and two symmetrical sides of the second corner 121, so that the corners of the lifting piece 1 are more stable.
As shown in fig. 1 and 2, the trolley 1 further includes a weight plate 16, and the weight plate 16 is disposed at an end of the balance section 12 far from the vertical section 13 and/or at a second corner 121.
In the present embodiment, the balance weights of the balance section 12 and the support section 11 can be changed by providing the balance weight plate 16 at the balance section 12 and/or the second corner 121, thereby solving the eccentricity problem, so that the connection line of the center of gravity and the centroid of the trolley 1 is substantially vertical.
As shown in fig. 1, the length of the balancing section 12 is greater than the length of the supporting section 11.
In this embodiment, the length of the balance section 12 is greater than that of the support section 11, which is beneficial to solving the eccentricity problem to a certain extent, so that the connection line between the center of gravity and the centroid of the lifting piece 1 is basically vertical.
As shown in fig. 1, the trolley 1 further comprises a spacer 112, and the spacer 112 is fixedly connected to one side of the supporting section 11 close to the balancing section 12.
In this embodiment, the gasket 112 may be made of rubber, so as to increase the friction between the bottom of the old bridge body 2 and the supporting section 11, and in addition, the gasket 112 may reduce the hard contact between the lifting part 1 and the bottom of the old bridge body 2, so as to protect the lifting part 1 and facilitate the reuse of the lifting part 1.
As shown in fig. 1, the lifting member 1 further includes a weight block, a cavity is provided at one end of the balance section 12 far from the vertical section 13, and the weight block can be disposed in the cavity.
In this embodiment, the counterweight is disposed in the cavity at one end of the balancing section 12, so that the counterweight of the balancing section 12 can be changed, which is beneficial to solving the eccentricity problem.
As shown in fig. 1, a plurality of rib plates 122 are arranged on the balancing section 12 near the lifting lug 14.
In the embodiment, because the lifting lug 14 of the lifting piece 1 is stressed greatly, the reinforcing plate 122 is arranged on the balance section 12 close to the lifting lug 14, so that the structural strength of the position can be enhanced.
As shown in fig. 2 and 3, the lifting piece 1 is made of a steel plate, and the lifting piece 1 is of a hollow structure.
In this embodiment, the handling piece 1 is formed by steel sheet concatenation, sets up handling piece 1 into hollow structure, can alleviate the weight of handling piece 1 itself.
The method for dismantling the old bridge body 2 comprises the following steps:
s1, using a lifting appliance to pocket two ends of the old bridge body 2 in the length direction;
And S2, connecting the crane above the old bridge body 2 to a lifting appliance, and lifting the old bridge body 2 from the upper side.
In this embodiment, live old bridge body 2 through the hoist pocket, hang out old bridge body 2 wholly for old bridge body 2 structural integrity, simultaneously, the work progress of this method is simple and efficient, and is little to environmental pollution.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The utility model provides a lifting appliance for handling old bridge body, its characterized in that, the lifting appliance includes a plurality of handling subassembly, a plurality of handling subassembly is in set up along its length direction interval on the old bridge body, the handling subassembly includes two handling pieces, two handling pieces are located respectively old bridge body is along its width direction's both sides, handling piece is including supporting section, balanced section, vertical section and lug, the upper end and the lower extreme of vertical section rigid coupling respectively in balanced section with support the section, balanced section with the support section perpendicular to vertical section, just balanced section with support the section extends along same direction, the lug is located balanced section top, wherein, balanced section with the junction of vertical section is first corner, support the section with the junction of vertical section is the second corner.
2. The spreader of claim 1, wherein the trolley further comprises a stopper detachably connected to the vertical section and extending in the same direction as the support section or the balance section.
3. The spreader of claim 1, wherein the trolley further comprises a plurality of reinforcing plates, and the plurality of reinforcing plates are respectively disposed at the first corner and the second corner.
4. The spreader of claim 1, wherein the trolley further comprises a weight plate, and the weight plate is arranged at one end of the balance section far away from the vertical section and/or at the second corner.
5. the spreader of claim 1, wherein the length of the balancing section is greater than the length of the support section.
6. The spreader of claim 1, wherein the trolley further comprises a spacer fixedly attached to a side of the support section adjacent the balancing section.
7. The lifting appliance according to claim 1, wherein the lifting member further comprises a counterweight, a cavity is formed in one end of the balancing section, which is far away from the vertical section, and the counterweight can be placed in the cavity.
8. The spreader according to claim 1, wherein a plurality of stiffened plates are arranged on the balancing section near the lifting lugs.
9. The lifting appliance according to claim 1, wherein the lifting piece is made of a steel plate and is of a hollow structure.
10. A method of demolishing an old bridge, using the spreader of any one of claims 1-9, the method comprising the steps of:
S1, using the lifting appliance to pocket two ends of the old bridge body in the length direction;
And S2, connecting a crane above the old bridge body to the lifting appliance, and lifting the old bridge body from the upper side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938086.5A CN110577146A (en) | 2019-09-30 | 2019-09-30 | Lifting appliance and method for removing old bridge body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938086.5A CN110577146A (en) | 2019-09-30 | 2019-09-30 | Lifting appliance and method for removing old bridge body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110577146A true CN110577146A (en) | 2019-12-17 |
Family
ID=68814189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910938086.5A Pending CN110577146A (en) | 2019-09-30 | 2019-09-30 | Lifting appliance and method for removing old bridge body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110577146A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335191A (en) * | 2020-03-13 | 2020-06-26 | 山东省公路桥梁建设有限公司 | Construction method for dismantling overpass bridge on expressway |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584583Y (en) * | 2002-09-26 | 2003-11-05 | 上海港南浦港务公司 | C-shaped supper-width rolling steel lifting device |
| CN201296600Y (en) * | 2008-11-14 | 2009-08-26 | 中铁十局集团有限公司 | Template balance hanger |
| CN201873440U (en) * | 2010-12-10 | 2011-06-22 | 秦皇岛港股份有限公司 | Double-lifting point C-shaped lifting appliance |
| CN203079528U (en) * | 2013-03-12 | 2013-07-24 | 日照港集团岚山港务有限公司 | Adjustable portal crane C-shaped hanger |
| CN203938373U (en) * | 2014-07-17 | 2014-11-12 | 日照港集团岚山港务有限公司 | Prevent the C type suspender tilting |
| CN205740025U (en) * | 2016-05-22 | 2016-11-30 | 中交第一航务工程局有限公司 | A kind of suspender installing external mold of prefabricated box girder plate |
| CN206798966U (en) * | 2017-05-27 | 2017-12-26 | 黄骅聚金五金制品有限公司 | A kind of c-type on-line hanger |
| CN108002210A (en) * | 2018-01-04 | 2018-05-08 | 中建二局安装工程有限公司 | C-type hanging apparatus under a kind of beam, plate |
| CN211034888U (en) * | 2019-09-30 | 2020-07-17 | 上海公路桥梁（集团）有限公司 | Lifting appliance |
-
2019
- 2019-09-30 CN CN201910938086.5A patent/CN110577146A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584583Y (en) * | 2002-09-26 | 2003-11-05 | 上海港南浦港务公司 | C-shaped supper-width rolling steel lifting device |
| CN201296600Y (en) * | 2008-11-14 | 2009-08-26 | 中铁十局集团有限公司 | Template balance hanger |
| CN201873440U (en) * | 2010-12-10 | 2011-06-22 | 秦皇岛港股份有限公司 | Double-lifting point C-shaped lifting appliance |
| CN203079528U (en) * | 2013-03-12 | 2013-07-24 | 日照港集团岚山港务有限公司 | Adjustable portal crane C-shaped hanger |
| CN203938373U (en) * | 2014-07-17 | 2014-11-12 | 日照港集团岚山港务有限公司 | Prevent the C type suspender tilting |
| CN205740025U (en) * | 2016-05-22 | 2016-11-30 | 中交第一航务工程局有限公司 | A kind of suspender installing external mold of prefabricated box girder plate |
| CN206798966U (en) * | 2017-05-27 | 2017-12-26 | 黄骅聚金五金制品有限公司 | A kind of c-type on-line hanger |
| CN108002210A (en) * | 2018-01-04 | 2018-05-08 | 中建二局安装工程有限公司 | C-type hanging apparatus under a kind of beam, plate |
| CN211034888U (en) * | 2019-09-30 | 2020-07-17 | 上海公路桥梁（集团）有限公司 | Lifting appliance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335191A (en) * | 2020-03-13 | 2020-06-26 | 山东省公路桥梁建设有限公司 | Construction method for dismantling overpass bridge on expressway |
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