CN111851314A - Steel pad beam lifting equipment and using method thereof - Google Patents
Steel pad beam lifting equipment and using method thereof Download PDFInfo
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- CN111851314A CN111851314A CN202010847264.6A CN202010847264A CN111851314A CN 111851314 A CN111851314 A CN 111851314A CN 202010847264 A CN202010847264 A CN 202010847264A CN 111851314 A CN111851314 A CN 111851314A
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- steel
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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
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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
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
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- 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
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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
- B66C2700/00—Cranes
- B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger
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- 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 pad beam lifting equipment and a using method thereof, and particularly relates to a steel pad beam lifting equipment for lifting and mounting a high pier steel beam pushing auxiliary facility, which comprises 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 gantry, 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 rack 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. This device can promote construction equipment such as steel backing roof beam safely, fast, and the hoist and mount position is accurate, does not cause the influence to bridge stability, can target in place equipment fixing fast, saves the time limit for a project, save material and manual work, and safety can guarantee in the work progress.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to steel bolster lifting equipment and a using method thereof.
Background
In the pushing construction process of the road steel beam, large auxiliary equipment such as a steel pad beam is often required to be prepared on the pier top, and machinery such as a crane can be adopted for assisting when the pier stud is not high, but the crane is difficult to realize when the bridge has a complex terrain and is higher in pier stud.
When bridge superstructure adopted the girder steel structure, adopt the synchronous top push method of multiple spot to be under construction more, when adopting the synchronous top push method of multiple spot to be under construction, must all install one set of top pushing equipment at every mound top, and the small-size equipment can adopt the supplementary hoist and mount of tower crane because weight is lighter, but when large-scale auxiliary facilities such as steel backing roof beam are used to needs, hoist and mount work can not all be accomplished to tower crane, crane etc..
The traditional method is to arrange a slide way on the top of the steel beam and transport the equipment to a designated position from one end of the bridge, but the construction method has the disadvantages of high labor intensity, low working efficiency, time and labor consumption and unsatisfactory operation effect, and the installation of the slide way transport equipment from the top of the steel beam affects the safety and stability of the steel beam, and the personnel are unsafe in the construction process.
The invention relates to a steel pad beam lifting device arranged at the front end of a guide beam, which is invented according to the practical construction situation for safely and quickly completing the lifting 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 pad beam lifting equipment and the use method thereof are provided, and the steel pad beam lifting equipment is particularly used for lifting and mounting high-pier steel beam pushing auxiliary facilities.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a steel backing beam lifting device, which comprises:
the main body gantry is provided with tracks on two sides;
the lifting platforms are arranged on two sides above the main body gantry, 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.
Preferably, the main body door frame is made of section steel and is made of I40I-shaped steel through welding.
Preferably, the jack system and the lifting platform are fixed by a profile steel fastener.
Preferably, the lifting platform is made of section steel and is made of I20I-shaped steel and [100 ] channel steel through welding.
Preferably, a steel pipe fence is welded above the lifting platform.
Preferably, the main body portal is connected with the guide beam through an L-shaped steel plate.
The invention also provides a using method of the steel pad beam lifting equipment, which comprises the following steps:
s1: before the steel beam is pushed, the steel pad beam lifting equipment is fixed at the front end of the guide beam;
s2: in the steel beam pushing construction process, when the front end of the guide beam reaches the pier top, stopping pushing; then, operating the steel pad beam lifting equipment, firstly, lowering the steel strand to the bottom of the pier, after ground personnel fix a heavy object, starting a jack pump station by the operator, and lifting the jack to lift the steel pad beam;
s3: after the steel pad beam is lifted to the pier top, an operator slowly falls the steel pad beam to the pier top by using the chain block for fixing, and the lifting equipment finishes working.
Compared with the prior art, the invention has the beneficial effects that:
1. the equipment and material investment is reduced. In the traditional method, the slideway is arranged on the top of the steel beam, a through long slideway needs to be arranged on the top of the steel beam, so that more equipment and materials are input, and the operation is difficult; because this device overall structure is less, it is more convenient when the hoist and mount is loaded onto the bridge, adopt general crane can accomplish, lifting means installs simply, has saved manpower, equipment input, and the security is high.
2. The working efficiency is high. In the traditional method, the slideway is arranged on the top of the steel beam, all equipment needs to be transported to one end of the bridge and then transported from one end of the bridge to the other end of the bridge step by step, and the method is slow in speed and low in construction efficiency during high-altitude operation. The steel pad beam lifting equipment is adopted to avoid the time consumed by long-distance transportation, objects need to be lifted in advance and placed at the bottom of a pier, after the lifting equipment reaches the proper position, the jack system is directly operated to complete lifting, the working efficiency is greatly improved, and especially after the steel beam is pushed to a certain distance, the efficiency contrast is more obvious.
3. The economic effect is good. The steel pad beam lifting equipment can greatly reduce the manual use amount, reduce the equipment investment and save the construction period.
4. The operation is safe. The steel pad beam lifting equipment is used, potential safety hazards existing when a slideway is arranged on the top of a beam for operation are avoided, workers complete operation on the platform, and the steel pad beam lifting equipment is safe and reliable.
5. This lifting means places in the girder steel front end, and when the girder steel pushed away the construction, because the girder steel cantilever downwarps, must take the safety and stability that the measure guaranteed front end lifting means. This device overall height of structure is less, and relative stability is better, and lifting means and girder steel adopt shaped steel to be connected, have strengthened equipment overall stability, and for other lifting means, this equipment specially adapted girder steel pushes away uses as the hoist when constructing.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a top view of the structure of the present invention (the jack system is omitted).
Fig. 2 is a top view of the structure of the invention of fig. 1 after installation.
Fig. 3 is a side view of the invention after installation.
Fig. 4 is an enlarged schematic view of the present invention shown in fig. 3.
FIG. 5 is a schematic structural diagram of the pushing construction of the present invention.
Description of reference numerals:
1, a main body portal frame; 2, lifting the platform; 3, track; 4, a main bridge steel truss girder; 5 lifting the jack; 6, a steel strand lead frame; 7, winding the steel stranded wire; 8, steel strand wires; 9, dropping a hole; 10 steel tube enclosure.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 5, the steel pad beam lifting apparatus provided in this embodiment includes:
the main body portal frame 1 is made of section steel and is formed by welding I40I-shaped steel, the whole frame is of a portal structure, and two sides of the main body portal frame 1 are provided with tracks 3; 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 end guide beam of the main bridge steel truss beam 4, and a steel plate stiffening rib is arranged at the fulcrum of the main body portal 1; the main body portal 1 is connected with the guide beam through an L-shaped steel plate.
And the lifting platforms 2 are arranged on two sides above the main body gantry 1 and are matched and connected with the rails 3, the lifting platforms can slide along the rails 3, and the lifting platforms can be properly adjusted front and back by arranging the rails 3 to meet the requirement of accurate installation positions of lifted objects. The lifting platform 2 is made of section steel and is made of I20I-shaped steel and [100 ] channel steel in a welding mode, the lifting platform 2 is arranged on the left side and the right side of the main body portal frame 1 respectively, and during lifting, two sides are lifted simultaneously to keep balance. Through setting up the lift platform, made things convenient for personnel's operation, equipment to place.
The lifting platform 2 is also provided with a falling hole 9.
The lifting platform is arranged above the lifting platform 2 and comprises a lifting jack 5, a steel strand wire coil 7, a steel strand wire frame 6 and a jack pump station; the steel strand 8 is wound on a steel strand wire coil 7, one end of the steel strand wire coil is connected with the lifting jack 5 through a steel strand wire rack 6, and the steel strand wire coil penetrates through the falling hole 9 and extends to the lower part of the lifting platform 2; the jack pump station is connected with the lifting jack 5 through a high-pressure oil pipe to provide power for the lifting jack. When the lifting platform is lifted, auxiliary equipment such as a pier bottom steel pad beam can be quickly lifted to the pier top by the lifting jack 5 positioned on the lifting platform 2 for installation.
The jack system and the lifting platform 2 are fixed by a profile steel fastener.
A steel pipe fence 10 is welded above the lifting platform 2, and safety and usability are improved.
Because the integral structure of the device is small, the device is convenient to hoist and mount the bridge, can be completed by adopting a common crane, is simple in installation of lifting equipment, saves manpower and equipment investment, and is high in safety.
The working principle is as follows:
before the steel beam is pushed, 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 bottom of the pier is hung to the pier top for installation by the device.
In the steel beam pushing construction process, when the front end of the guide beam reaches the pier top, the pushing is stopped, the steel strand 8 is put down, the required hoisting equipment is fixed at the bottom of the pier, and the continuous jack on the hoisting equipment is operated to gradually complete the hoisting.
The invention also provides a using method of the steel pad beam lifting equipment, which comprises the following steps:
s1: before the steel beam is pushed, the steel pad beam lifting equipment is fixed at the front end of the guide beam;
s2: in the steel beam pushing construction process, when the front end of the guide beam reaches the pier top, stopping pushing; then, operating the steel pad beam lifting equipment, firstly, lowering the steel strand 8 to the bottom of the pier, after ground personnel fix a heavy object, starting a jack pump station by the operator, and lifting the jack 5 to lift the steel pad beam;
s3: after the steel pad beam is lifted to the pier top, an operator slowly falls the steel pad beam to the pier top by using the chain block for fixing, and the lifting equipment finishes working.
This lifting means places in the girder steel front end, and when the girder steel pushed away the construction, because the girder steel cantilever downwarps, must take the safety and stability that the measure guaranteed front end lifting means. This device overall height of structure is less, and relative stability is better, and lifting means and girder steel adopt shaped steel to be connected, have strengthened equipment overall stability, and for other lifting means, this equipment specially adapted girder steel pushes away uses as the hoist when constructing.
As can be seen from the above description, the present device has the following advantages:
1. the equipment and material investment is reduced. In the traditional method, the slideway is arranged on the top of the steel beam, a through long slideway needs to be arranged on the top of the steel beam, so that more equipment and materials are input, and the operation is difficult; the device has a small integral structure, is convenient to hoist and mount the upper bridge, can be completed by adopting a common crane, is simple in lifting equipment installation, saves manpower and equipment investment, and is high in safety;
2. the working efficiency is high. The tradition sets up the slide at the girder steel top, need all transport all equipment to bridge one end, then from bridge one end toward the other end progressively transport, during high altitude operation, speed is slow, the efficiency of construction is low. The steel pad beam lifting equipment is adopted to avoid the time consumed by long-distance transportation, objects to be lifted are placed at the bottom of the pier in advance, and after the lifting equipment reaches the position, the jack system is directly operated to complete lifting, so that the working efficiency is greatly improved, and especially when the steel beam is pushed to a certain distance, the efficiency contrast is more obvious;
3. the economic effect is good. The steel pad beam lifting equipment can greatly reduce the number of workers, reduce equipment investment and save the construction period;
4. the operation is safe. The steel pad beam lifting equipment is used, potential safety hazards existing when a slideway is arranged on the top of a beam for operation are avoided, workers complete operation on the platform, and the steel pad beam lifting equipment is safe and reliable.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A steel bolster lifting device, characterized by includes:
the main body gantry is provided with tracks on two sides;
the lifting platforms are arranged on two sides above the main body gantry, 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.
2. The steel bolster lifting device of claim 1, wherein the main body gantry is made of section steel and welded from I40I-section steel.
3. The steel bolster lifting device of claim 1, wherein the jack system and the lifting platform are secured with steel fasteners.
4. The steel pad beam lifting device as claimed in claim 1, wherein the lifting platform is made of section steel, and is made of I20I-steel and [100 ] channel steel by welding.
5. The steel pad beam lifting device of claim 1, wherein a steel tube fence is welded above the lifting platform.
6. The steel mat beam lifting device according to claim 1, wherein the joint of the main body gantry and the guide beam is connected by an L-shaped steel plate.
7. A method of using a steel pad beam lifting device, characterized in that the steel pad beam lifting device of any one of claims 1-6 is used, comprising the following steps:
s1: before the steel beam is pushed, the steel pad beam lifting equipment is fixed at the front end of the guide beam;
s2: in the steel beam pushing construction process, when the front end of the guide beam reaches the pier top, stopping pushing; then, operating the steel pad beam lifting equipment, firstly, lowering the steel strand to the bottom of the pier, after ground personnel fix a heavy object, starting a jack pump station by the operator, and lifting the jack to lift the steel pad beam;
s3: after the steel pad beam is lifted to the pier top, an operator slowly falls the steel pad beam to the pier top by using the chain block for fixing, and the lifting equipment finishes working.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233330 | 2020-03-27 | ||
| CN2020102333300 | 2020-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111851314A true CN111851314A (en) | 2020-10-30 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759239.4U Active CN212404877U (en) | 2020-03-27 | 2020-08-21 | Steel pad roof beam lifting means |
| CN202010847264.6A Pending CN111851314A (en) | 2020-03-27 | 2020-08-21 | Steel pad beam lifting equipment and using method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759239.4U Active CN212404877U (en) | 2020-03-27 | 2020-08-21 | Steel pad roof beam lifting means |
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| CN (2) | CN212404877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908883A (en) * | 2022-07-04 | 2022-08-16 | 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 |
-
2020
- 2020-08-21 CN CN202021759239.4U patent/CN212404877U/en active Active
- 2020-08-21 CN CN202010847264.6A patent/CN111851314A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908883A (en) * | 2022-07-04 | 2022-08-16 | 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 |
| 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 |
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| Publication number | Publication date |
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| CN212404877U (en) | 2021-01-26 |
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