CN111851314B - Steel bolster lifting equipment and using method thereof - Google Patents
Steel bolster lifting equipment and using method thereof Download PDFInfo
- Publication number
- CN111851314B CN111851314B CN202010847264.6A CN202010847264A CN111851314B CN 111851314 B CN111851314 B CN 111851314B CN 202010847264 A CN202010847264 A CN 202010847264A CN 111851314 B CN111851314 B CN 111851314B
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- steel
- lifting
- jack
- equipment
- main body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 130
- 239000010959 steel Substances 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 8
- 241000288140 Gruiformes Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 241000124872 Grus grus Species 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/08—Driving gear incorporating fluid motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses steel bolster lifting equipment and a use method thereof, which are particularly used for lifting and installing high pier steel girder pushing auxiliary facilities, and comprise a main body portal, wherein rails are arranged on two sides of the main body portal; the lifting platforms are arranged on two sides above the main body portal frame, are matched with the rails and slide along the rails; the lifting platform is also provided with a falling hole; the jack system is arranged above the lifting platform and comprises a lifting jack, a steel strand wire coil, a steel strand wire frame and a jack pump station; one end of the steel strand is connected with the lifting jack through the steel strand lead frame and extends to the lower part of the lifting platform through the falling hole; the jack pump station is connected with the lifting jack. The device can safely and rapidly lift construction equipment such as steel beams and the like, the lifting position is accurate, the stability of the bridge is not affected, the equipment can be rapidly installed in place, the construction period is saved, materials and manpower are saved, and the safety in the construction process is ensured.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to steel bolster lifting equipment and a use method thereof, wherein the steel bolster lifting equipment is placed at the front end of a guide beam and can be used for walking type pushing construction of an upper-bearing steel truss beam of an expressway.
Background
In the road girder pushing construction process, large auxiliary equipment such as a steel pad beam is often needed to be prepared at the pier top, and machinery such as a crane can be used for assisting when the pier column is not high, but the crane is difficult to realize when the pier column is encountered on a bridge with complex terrain and higher pier column.
When the bridge upper structure adopts a steel beam structure, the construction is carried out by adopting a multi-point synchronous pushing method, when the construction is carried out by adopting the multi-point synchronous pushing method, a set of pushing equipment is required to be installed on each pier top, and small-sized equipment can be lifted by adopting a tower crane in an auxiliary way due to lighter weight, but when large-sized auxiliary facilities such as steel bolster and the like are required, the lifting work cannot be completed by the tower crane, a crane and the like.
The traditional method is that a slideway is arranged on the top of the steel girder, equipment is transported to a designated position from one end of a bridge, but the construction method has the advantages of low labor intensity, low working efficiency, time and labor consumption, unsatisfactory operation effect, influence on the safety and stability of the steel girder by installing slideway transportation equipment from the top of the steel girder, and unsafe personnel in the construction process.
The invention discloses steel pad beam lifting equipment placed at the front end of a guide beam according to practical construction conditions, which aims to safely and rapidly finish hoisting of large pier top equipment on a high pier bridge with complex terrain.
Disclosure of Invention
In order to solve the problems in the prior art, the steel bolster lifting device and the use method thereof are provided, particularly for lifting installation of high pier steel girder pushing auxiliary facilities, compared with the traditional construction method, the lifting device has the advantages that construction equipment such as steel beams can be safely and rapidly lifted, the lifting position is accurate, the stability of the bridge is not affected, the equipment can be rapidly installed in place, the construction period is saved, materials and manpower are saved, and the safety in the construction process is ensured.
The technical scheme adopted for solving the technical problems is as follows:
the invention provides steel bolster lifting equipment, which comprises:
The main body portal is provided with rails at two sides;
The lifting platforms are arranged on two sides above the main body portal frame, are matched with the track and slide along the track; the lifting platform is also provided with a falling hole;
The jack system is arranged above the lifting platform and comprises a lifting jack, a steel strand wire coil, a steel strand wire frame and a jack pump station; one end of the steel strand is connected with the lifting jack through the steel strand lead frame and extends to the lower part of the lifting platform through the falling hole; the jack pump station is connected with the lifting jack.
Preferably, the main body portal frame is made of profile steel and is made of I40I-steel in a welding mode.
Preferably, the jack system and the lifting platform are fixed by adopting a profile steel fastener.
Preferably, the lifting platform is made of profile steel and is made of I20I-steel and [100 channel steel by welding.
Preferably, a steel pipe fence is welded above the lifting platform.
Preferably, the connection part of the main body portal frame and the guide beam is connected by adopting an L-shaped steel plate.
The invention also provides a use method of the steel bolster lifting device, which comprises the following steps:
s1: before pushing the steel beam, fixing steel pad beam lifting equipment at the front end of the guide beam;
S2: in the pushing construction process of the steel beam, stopping pushing when the front end of the guide beam reaches the pier top; then operating the steel pad beam lifting equipment, firstly lowering the steel stranded wire to the pier bottom, and starting a jack pump station by an operator after ground personnel fix a lifting object, and lifting the steel pad beam by lifting the jack;
S3: after the steel bolster is lifted to the pier top, an operator slowly drops the steel bolster to the pier top to be fixed by using the chain block, and the lifting equipment finishes working.
Compared with the prior art, the invention has the beneficial effects that:
1. and equipment and material investment is reduced. In the traditional method, a slide way is arranged on the top of the steel beam, a through length slide way is required to be arranged on the top of the steel beam, and the input equipment and materials are more and difficult to operate; because this device overall structure is less, and is more convenient when hoist and mount are gone up the bridge, adopts general crane to accomplish, and lifting means installs simply, has saved manpower, equipment input, and the security is high.
2. The working efficiency is high. The traditional method is that a slide way is arranged on the top of the steel beam, all equipment is required to be transported to one end of the bridge, then the equipment is transported gradually from one end of the bridge to the other end, and the speed is low and the construction efficiency is low during high-altitude operation. The steel bolster lifting equipment is adopted, so that the time consumed in long-distance transportation is avoided, objects to be lifted are placed at the bottom of the pier in advance, after the lifting equipment reaches the position, the jack system is directly operated to complete lifting, the working efficiency is greatly improved, and particularly when the steel beam is pushed to a certain distance, the efficiency contrast is more obvious.
3. The economic effect is good. The steel bolster lifting equipment can greatly reduce the manual use quantity, reduce equipment investment and save construction period.
4. The operation is safe. The steel bolster lifting equipment is used, potential safety hazards existing when a slideway is arranged on the roof of the beam for operation are avoided, and workers complete the operation on the platform, so that the steel bolster lifting equipment is safe and reliable.
5. This lifting device is placed in girder steel front end, and during girder steel pushing construction, because girder steel cantilever is flexible down, must take measures to guarantee front end lifting device's safety and stability. The device has the advantages that the whole structure is small in height and good in relative stability, the lifting equipment is connected with the steel beam through the profile steel, the whole stability of the equipment is enhanced, and the device is particularly suitable for being used as a lifting appliance in the pushing construction of the steel beam relative to other lifting equipment.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 is a top view of the structure of the present invention (with the jack system omitted).
Fig. 2 is a top plan view of the present invention of fig. 1 after installation.
Fig. 3 is a side view of the present invention after installation.
Fig. 4 is an enlarged schematic view of the present invention in fig. 3.
Fig. 5 is a schematic view of the structure of the present invention in pushing construction.
Reference numerals illustrate:
1, a main body portal frame; 2, lifting the platform; 3, a track; 4, a main bridge steel truss girder; 5, lifting the jack; 6, a steel strand wire frame; 7, a steel strand wire coil; 8, steel stranded wires; 9, a falling hole; 10 steel pipe rail.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
As shown in fig. 1 to 5, a steel bolster lifting apparatus according to this embodiment includes:
The main body portal frame 1 is made of profile steel and is formed by welding I40I-steel, the whole frame is of a portal structure, and rails 3 are arranged on two sides of the main body portal frame 1; the main body portal 1 is divided into an upper layer and a lower layer, the upper layer portal is 100cm wider than one end of a front guide beam of the main bridge steel truss beam 4, and a steel plate stiffening rib is arranged at a fulcrum of the main body portal 1; the main body portal frame 1 is connected with a guide beam the positions are connected by adopting L-shaped steel plates.
And the lifting platform 2 is arranged on two sides above the main body portal frame 1 and is matched and connected with the track 3, and can slide along the track 3, and by arranging the track 3, the lifting platform can be ensured to be properly adjusted front and back so as to adapt to the requirement of the accurate installation position of the lifted object. The lifting platform 2 is made of profile steel and is made of I20I-steel and [100 channel steel by welding, one lifting platform 2 is arranged on the left side and the right side of the main body portal 1 respectively, and when in hoisting, the two sides are hoisted simultaneously, so that balance is kept. By arranging the lifting platform, personnel operation and equipment placement are facilitated.
The lifting platform 2 is also provided with a drop hole 9.
The lifting platform 2 is provided with a lifting platform, and the lifting platform is provided with a lifting platform system, wherein the lifting platform system comprises a lifting jack 5, a steel strand wire coil 7, a steel strand wire frame 6 and a lifting jack pump station; the steel strand wire 8 is wound on the steel strand wire coil 7, and one end of the steel strand wire is connected with the lifting jack 5 through the steel strand wire frame 6 and extends to the lower part of the lifting platform 2 through the falling hole 9; the jack pump station is connected with the lifting jack 5 through a high-pressure oil pipe to provide power for the lifting jack. During lifting operation, auxiliary equipment such as pier bottom steel beams and the like can be quickly lifted to the pier top by the lifting jack 5 on the lifting platform 2 for installation.
The jack system and the lifting platform 2 are fixed by adopting a profile steel fastener.
And a steel pipe fence 10 is welded above the lifting platform 2, so that the safety usability is improved.
Because the device has a smaller overall structure, the device is convenient to hoist and mount, can be completed by adopting a common crane, has simple installation of lifting equipment, saves labor and equipment investment, and has high safety.
The working principle is as follows:
before pushing the steel beam, the device is fixed at the front end of the guide beam, and after the guide beam slides to the pier top position, the steel pad beam placed at the pier bottom is hung to the pier top by using the device for installation.
In the steel beam pushing construction process, when the front end of the guide beam reaches the pier top, pushing is stopped, the steel stranded wires 8 are lowered, required hoisting equipment is fixed at the pier bottom, and a continuous jack on the hoisting equipment is operated to gradually finish hoisting.
The invention also provides a use method of the steel bolster lifting device, which comprises the following steps:
s1: before pushing the steel beam, fixing steel pad beam lifting equipment at the front end of the guide beam;
s2: in the pushing construction process of the steel beam, stopping pushing when the front end of the guide beam reaches the pier top; then operating the steel pad beam lifting equipment, firstly lowering the steel stranded wire 8 to the pier bottom, and starting a jack pump station by an operator after ground personnel fix a lifting object, and lifting the steel pad beam by the lifting jack 5;
S3: after the steel bolster is lifted to the pier top, an operator slowly drops the steel bolster to the pier top to be fixed by using the chain block, and the lifting equipment finishes working.
This lifting device is placed in girder steel front end, and during girder steel pushing construction, because girder steel cantilever is flexible down, must take measures to guarantee front end lifting device's safety and stability. The device has the advantages that the whole structure is small in height and good in relative stability, the lifting equipment is connected with the steel beam through the profile steel, the whole stability of the equipment is enhanced, and the device is particularly suitable for being used as a lifting appliance in the pushing construction of the steel beam relative to other lifting equipment.
As can be seen from the above description, the device has the following advantages:
1. And equipment and material investment is reduced. In the traditional method, a slide way is arranged on the top of the steel beam, a through length slide way is required to be arranged on the top of the steel beam, and the input equipment and materials are more and difficult to operate; because the device has a smaller overall structure, the device is convenient to hoist and mount, can be completed by adopting a common crane, has simple installation of lifting equipment, saves labor and equipment investment, and has high safety;
2. The working efficiency is high. Traditional set up the slide on girder steel top, need all transport to bridge one end with all equipment, then gradually transport from bridge one end to the other end, during the high altitude construction, the speed is slow, and the efficiency of construction is low. The steel bolster lifting equipment is adopted, so that the time consumed in long-distance transportation is avoided, objects to be lifted are placed at the bottom of the pier in advance, after the lifting equipment reaches the position, the jack system is directly operated to complete lifting, the working efficiency is greatly improved, and particularly, after the steel beam is pushed to a certain distance, the efficiency comparison is more obvious;
3. The economic effect is good. The steel bolster lifting equipment can greatly reduce the number of manual use, reduce equipment investment and save construction period;
4. The operation is safe. The steel bolster lifting equipment is used, potential safety hazards existing when a slideway is arranged on the roof of the beam for operation are avoided, and workers complete the operation on the platform, so that the steel bolster lifting equipment is safe and reliable.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (1)
1. A method of using a steel bolster lifting apparatus, the steel bolster lifting apparatus comprising:
The main body portal is provided with rails at two sides;
The lifting platforms are arranged on two sides above the main body portal frame, are matched with the track and slide along the track; the lifting platform is also provided with a falling hole;
the jack system is arranged above the lifting platform and comprises a lifting jack, a steel strand wire coil, a steel strand wire frame and a jack pump station; one end of the steel strand is connected with the lifting jack through the steel strand lead frame and extends to the lower part of the lifting platform through the falling hole; the jack pump station is connected with the lifting jack;
the main body portal frame is made of profile steel and is made of I40I-steel through welding;
the jack system is fixed with the lifting platform by adopting a profile steel fastener;
The lifting platform is made of profile steel and is made of I20I-steel and [100 channel steel by welding;
a steel pipe fence is welded above the lifting platform;
the joint of the main body portal frame and the guide beam is connected by adopting an L-shaped steel plate;
The method comprises the following steps:
s1: before pushing the steel beam, fixing steel pad beam lifting equipment at the front end of the guide beam;
S2: in the pushing construction process of the steel beam, stopping pushing when the front end of the guide beam reaches the pier top; then operating the steel pad beam lifting equipment, firstly lowering the steel stranded wire to the pier bottom, and starting a jack pump station by an operator after ground personnel fix a lifting object, and lifting the steel pad beam by lifting the jack;
S3: after the steel bolster is lifted to the pier top, an operator slowly drops the steel bolster to the pier top to be fixed by using the chain block, and the lifting equipment finishes working.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020102333300 | 2020-03-27 | ||
| CN202010233330 | 2020-03-27 |
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| Publication Number | Publication Date |
|---|---|
| CN111851314A CN111851314A (en) | 2020-10-30 |
| CN111851314B true CN111851314B (en) | 2024-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010847264.6A Active CN111851314B (en) | 2020-03-27 | 2020-08-21 | Steel bolster lifting equipment and using method thereof |
| CN202021759239.4U Active CN212404877U (en) | 2020-03-27 | 2020-08-21 | Steel pad roof beam lifting means |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202021759239.4U Active CN212404877U (en) | 2020-03-27 | 2020-08-21 | Steel pad roof beam lifting means |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111851314B (en) * | 2020-03-27 | 2024-10-29 | 中铁十四局集团第三工程有限公司 | Steel bolster lifting equipment and using method thereof |
| CN114908883B (en) * | 2022-07-04 | 2024-04-26 | 中国建筑第四工程局有限公司 | Lifting device for vertical rotation installation of steel awning of stadium and operation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265628A (en) * | 2018-02-01 | 2018-07-10 | 中交路桥建设有限公司 | One kind rides cable-styled erection crane lifting cable-stayed bridge girder steel and bridge floor board construction method |
| CN212404877U (en) * | 2020-03-27 | 2021-01-26 | 中铁十四局集团第三工程有限公司 | Steel pad roof beam lifting means |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587291B (en) * | 2012-03-27 | 2014-11-05 | 中交四航局第一工程有限公司 | Walking type multipoint pushing construction method and walking type multipoint pushing construction system for steel box girder |
| CN202492807U (en) * | 2012-03-27 | 2012-10-17 | 中交四航局第一工程有限公司 | Steel box girder walking-type multi-point incremental launching construction system |
| CN202936736U (en) * | 2012-11-27 | 2013-05-15 | 中交第二公路工程局有限公司 | Cable-stayed bridge composite beam construction bridge floor crane |
-
2020
- 2020-08-21 CN CN202010847264.6A patent/CN111851314B/en active Active
- 2020-08-21 CN CN202021759239.4U patent/CN212404877U/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265628A (en) * | 2018-02-01 | 2018-07-10 | 中交路桥建设有限公司 | One kind rides cable-styled erection crane lifting cable-stayed bridge girder steel and bridge floor board construction method |
| CN212404877U (en) * | 2020-03-27 | 2021-01-26 | 中铁十四局集团第三工程有限公司 | Steel pad roof beam lifting means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111851314A (en) | 2020-10-30 |
| CN212404877U (en) | 2021-01-26 |
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