CN218539008U - Cantilever lifting appliance for splicing construction of U-box combined continuous beam - Google Patents
Cantilever lifting appliance for splicing construction of U-box combined continuous beam Download PDFInfo
- Publication number
- CN218539008U CN218539008U CN202221981955.6U CN202221981955U CN218539008U CN 218539008 U CN218539008 U CN 218539008U CN 202221981955 U CN202221981955 U CN 202221981955U CN 218539008 U CN218539008 U CN 218539008U
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- China
- Prior art keywords
- hanging
- box
- lifting
- motor
- cantilever
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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
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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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
- 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
-
- 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
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a cantilever sling for splicing construction of a U-box combined continuous beam, which comprises a hanging beam, a hanging box and a hanging arm which are arranged from top to bottom in sequence, wherein the top of the hanging beam is articulated with a hoisting cable of a cantilever crane, and the bottom of the hanging beam is hoisted and connected with the hanging arm through the hanging box; the middle part of the hanging beam is vertically limited and circumferentially rotates and is hinged and connected with the hanging box along the horizontal direction, and a torsion power unit for providing rotary power for the hanging box is vertically and fixedly arranged on the side wall of the hanging beam; the bottom of the hanging box is hinged and connected with the hanging arm along the horizontal direction, and a hydraulic jack is hinged and connected between the side wall of the hanging box and the top surface of the hanging arm. The cantilever lifting appliance realizes the up-and-down adjustment, the left-and-right turning adjustment and the horizontal torsion adjustment of the beam body segment, and realizes the multi-degree-of-freedom space adjustment function of the lifting appliance.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically is a cantilever hoist of continuous roof beam concatenation construction is combined to U case.
Background
In the prior art, the following difficulties generally exist in the splicing construction of a large-span steel-concrete composite beam, especially a U-box composite continuous beam: 1. the urban rail engineering has extremely high requirements on the structure assembling precision, and the segment splicing error is required to be less than 2mm; 2. the bridge is mostly positioned in a curve section, the requirement on the line shape of the bridge splicing construction is high, and in order to facilitate the line shape after the bridge is formed, the space state of a section block can be flexibly adjusted by requiring a crane; 3. the double U box combination continuous beam is spliced, and the appearance quality requirement of the spliced part of the prefabricated beam box joint is high; 4. the glue splicing speed directly influences the construction period of the project, the glue splicing process needs to be optimized, the efficiency of a glue splicing link is improved, and the adjustment time of hoisting alignment needs to be shortened.
However, the continuous beam hanger in the prior art can only perform front-back and horizontal translation adjustment and left-right inclination angle overturning adjustment, and the horizontal torsion adjustment required by splicing curve segments is difficult to perform.
Therefore, how to reduce the construction period of hoisting and splicing the double-U-box combined continuous beam under the conditions of multiple curve sections and higher process precision requirement becomes a technical problem to be solved urgently by the personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a cantilever hoist of continuous roof beam concatenation construction is made up to U case, realized adjusting from top to bottom to roof beam body festival section, control upset adjustment and horizontal torsion adjustment, realized the multi freedom space conditioning function of hoist.
A cantilever lifting appliance for splicing construction of a U-box combined continuous beam comprises a lifting beam, a lifting box and a lifting arm which are sequentially arranged from top to bottom, wherein a lifting cable of a cantilever crane is hung at the top of the lifting beam, and the bottom of the lifting beam is connected with the lifting arm through the lifting box in a lifting way; the middle part of the hanging beam is vertically limited, circumferentially rotates and is hinged and connected with the hanging box along the horizontal direction, and a torsion power unit for providing rotary power for the hanging box is vertically and fixedly arranged on the side wall of the hanging beam; the bottom of the hanging box is hinged and connected with a hanging arm along the horizontal direction, and a hydraulic jack is hinged and connected between the side wall of the hanging box and the top surface of the hanging arm.
Preferably, the middle part of the hanging beam rotates circumferentially, is limited vertically and is connected with a rotating shaft in a penetrating manner, the top of the rotating shaft is coaxially and fixedly provided with a shaft seat erected on the top surface of the hanging beam, the lower part of the rotating shaft is coaxially and fixedly provided with a driven gear rotatably arranged below the hanging beam, and the bottom end of the rotating shaft is hinged with the hanging box.
Preferably, the torsion power unit comprises a torsion motor, a motor bracket and a driving gear; the motor support comprises a U-shaped support and a motor base, wherein the opening of the U-shaped support is arranged upwards, the U-shaped support is fixedly welded with the side wall of the hanging beam, and the motor base is fixedly connected to the top surface of the middle section of the U-shaped support through a bolt; the top of the motor base is fixedly connected with a torsion motor, the output end of the torsion motor vertically penetrates through the motor base and the U-shaped support, and a driving gear meshed with the driven gear is coaxially and fixedly arranged on the output end of the torsion motor.
The utility model has the advantages and the technical effect be:
the utility model discloses a cantilever lifting appliance for splicing construction of a U-box combined continuous beam, a lifting beam is used as a main body lifting support, a motor bracket fixedly arranged on the side wall of the middle section of the lifting beam provides a fixed support for a torsion motor, and provides a guiding limit for the meshing connection of a driving gear and a driven gear; in addition, the rotating shaft is used for providing circumferential rotation, horizontal hinging and axial limiting adjusting functions for the hanging box, a driven gear at the lower part of the rotating shaft is powered by a driving gear and a torsion motor to rotate, and finally a shaft seat at the top of the rotating shaft is hung on the top surface of the hanging beam and used for providing axial limiting hanging connection for the rotating shaft; and finally, the hydraulic jack is used for adjusting and supporting the swing inclination angle of the suspension arm.
The utility model discloses a cantilever hoist of continuous beam concatenation construction is made up to U case, twist reverse through hanging beam lift adjustment and level and adjust the connection hanging box, and the upset is adjusted and is connected the davit about by hanging the box for realize the adjustment about roof beam body segment section, control upset adjustment and level and twist reverse the adjustment, realized the multi freedom space modulation function of hoist.
Drawings
Fig. 1 is a perspective view (45 ° from above) of the present invention;
fig. 2 is a perspective view (45 ° from below) of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a side view of the present invention;
FIG. 5 isbase:Sub>A cross-sectional view of section A-A of FIG. 3;
in the figure: 1-hanging a beam; 2-a torsion motor; 3-a shaft seat; 4-a motor base; 5-U-shaped bracket; 6-a rotating shaft; 7-hanging a box; 8-hydraulic jack; 9-a suspension arm; 10-a driven gear; 11-the drive gear.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A cantilever lifting appliance for splicing construction of a U-box combined continuous beam comprises a lifting beam 1, a lifting box 7 and a lifting arm 9 which are sequentially arranged from top to bottom, wherein a lifting cable of a cantilever crane is hung at the top of the lifting beam, and the bottom of the lifting beam is connected with the lifting arm through the lifting box in a lifting way; the middle part of the hanging beam is vertically limited and circumferentially rotates and is hinged and connected with the hanging box along the horizontal direction, and a torsion power unit for providing rotary power for the hanging box is vertically and fixedly arranged on the side wall of the hanging beam; the bottom of the hanging box is hinged and connected with a hanging arm along the horizontal direction, and a hydraulic jack 8 is hinged and connected between the side wall of the hanging box and the top surface of the hanging arm.
Preferably, the middle part of the hanging beam rotates circumferentially, is limited vertically and is connected with a rotating shaft 6 in a penetrating way, the top of the rotating shaft is coaxially and fixedly provided with a shaft seat 3 erected on the top surface of the hanging beam, the lower part of the rotating shaft is coaxially and fixedly provided with a driven gear 10 rotatably arranged below the hanging beam, and the bottom end of the rotating shaft is hinged with the hanging box.
Preferably, the torsion power unit comprises a torsion motor 2, a motor bracket and a driving gear 11; the motor support comprises a U-shaped support 5 and a motor base 4, wherein the opening of the U-shaped support is arranged upwards, the U-shaped support is fixedly welded with the side wall of the hanging beam, and the motor base is fixedly connected to the top surface of the middle section of the U-shaped support through a bolt; the top of the motor base is fixedly connected with a torsion motor, the output end of the torsion motor vertically penetrates through the motor base and the U-shaped support, and a driving gear meshed with the driven gear is coaxially and fixedly arranged on the output end of the torsion motor.
The utility model discloses preferred, the regulating arm is swayd around still can connecting among the prior art to the bottom of davit, sways the mature product that the regulating arm adopted among the prior art around this, and its regulation hoist and mount and connected mode all adopt the mature technical means among the prior art.
In order to more clearly illustrate the embodiments of the present invention, several examples are provided below:
the utility model discloses it is preferred, can adopt QMD160t bridge floor crane to connect the hanging beam through hoist and mount hawser hoist and mount to connect gradually hanging box and davit, its operational environment parameter as follows:
the altitude is less than or equal to 2000m; the temperature of the working environment: -40 ℃ to +50 ℃; wind power: when the girder erection is operated: grade 7 or less; during the operation of the via hole: grade 6 or less; when the operation is stopped: grade less than or equal to 11; power supply: 415V, 50Hz; the working environment has no inflammable, explosive and corrosive gas; working time: all weather (except severe weather such as strong wind, rain, snow, fog and the like) is provided with enough light, and the construction requirement at night is met.
Design indexes are as follows: the bridge girder erection machine has a bridge girder erection machine utilization grade of U0, a whole machine working grade of Q3 bridge girder erection machine is A3, and a mechanism working grade is M4; the safety coefficient n of the lifting steel wire rope is more than or equal to 5; the boom tensile stress safety coefficient n is more than or equal to 4; the structural strength calculation safety coefficient n is more than or equal to 1.34; the safety coefficient n of the mechanism transmission part is more than or equal to 1.5; the anti-overturning safety coefficient n is more than or equal to 1.5
The technical parameters are as follows: the QMD160t bridge deck crane has the following main technical parameters:
the parts of the utility model which are not described all adopt the mature products and the mature technical means in the prior art.
It will be understood that modifications and variations are possible to those skilled in the art in light of the above teachings and that all such modifications and variations are considered to be within the purview of the invention as set forth in the appended claims.
Claims (3)
1. A cantilever lifting appliance for splicing construction of a U-box combined continuous beam comprises a lifting beam, a lifting box and a lifting arm which are sequentially arranged from top to bottom, wherein a lifting cable of a cantilever crane is hung at the top of the lifting beam, and the bottom of the lifting beam is connected with the lifting arm through the lifting box in a lifting way; the method is characterized in that: the middle part of the hanging beam is vertically limited and circumferentially rotates and is hinged and connected with the hanging box along the horizontal direction, and a torsion power unit for providing rotary power for the hanging box is vertically and fixedly arranged on the side wall of the hanging beam; the bottom of the hanging box is hinged and connected with the hanging arm along the horizontal direction, and a hydraulic jack is hinged and connected between the side wall of the hanging box and the top surface of the hanging arm.
2. The cantilever lifting appliance for splicing construction of the U-box combined continuous beam as claimed in claim 1, wherein: the middle part of the hanging beam rotates in the circumferential direction, is vertically limited and is connected with a rotating shaft in a penetrating manner, a shaft seat erected on the top surface of the hanging beam is coaxially and fixedly arranged at the top of the rotating shaft, a driven gear rotatably arranged below the hanging beam is coaxially and fixedly arranged at the lower part of the rotating shaft, and the bottom end of the rotating shaft is hinged with a hanging box.
3. The cantilever lifting appliance for splicing construction of the U-box combined continuous beam as claimed in claim 2, wherein the cantilever lifting appliance comprises: the torsion power unit comprises a torsion motor, a motor bracket and a driving gear; the motor support comprises a U-shaped support and a motor base, wherein the opening of the U-shaped support is arranged upwards, the U-shaped support is fixedly welded with the side wall of the hanging beam, and the motor base is fixedly connected to the top surface of the middle section of the U-shaped support through a bolt; the top of the motor base is fixedly connected with a torsion motor, the output end of the torsion motor vertically penetrates through the motor base and the U-shaped support, and a driving gear meshed with the driven gear is coaxially and fixedly arranged on the output end of the torsion motor.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221981955.6U CN218539008U (en) | 2022-07-29 | 2022-07-29 | Cantilever lifting appliance for splicing construction of U-box combined continuous beam |
| DE212022000054.4U DE212022000054U1 (en) | 2022-07-29 | 2022-08-09 | Cantilever lifting device for the splice construction of the U-box combination continuous beam |
| PCT/CN2022/111007 WO2024021155A1 (en) | 2022-07-29 | 2022-08-09 | Cantilever lifting appliance for splicing construction of u-box combined continuous beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221981955.6U CN218539008U (en) | 2022-07-29 | 2022-07-29 | Cantilever lifting appliance for splicing construction of U-box combined continuous beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218539008U true CN218539008U (en) | 2023-02-28 |
Family
ID=85269319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221981955.6U Active CN218539008U (en) | 2022-07-29 | 2022-07-29 | Cantilever lifting appliance for splicing construction of U-box combined continuous beam |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN218539008U (en) |
| DE (1) | DE212022000054U1 (en) |
| WO (1) | WO2024021155A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202220041U (en) * | 2011-08-03 | 2012-05-16 | 秦皇岛天业通联重工股份有限公司 | Sling used for concrete box girder |
| CN102367651B (en) * | 2011-09-09 | 2013-10-02 | 腾达建设集团股份有限公司 | U-shaped concrete beam bridge girder erection machine |
| CN111517213A (en) * | 2020-06-06 | 2020-08-11 | 武汉耀华桥梁工程技术有限公司 | Self-tensioning box girder lifting appliance capable of adjusting lifting gravity center and operation method thereof |
| CN111517212A (en) * | 2020-06-06 | 2020-08-11 | 武汉耀华桥梁工程技术有限公司 | Lifting appliance capable of adjusting position of lifting point and inclination angle of lifted object and operation method |
| CN112195798B (en) * | 2020-08-21 | 2022-04-05 | 中交第二航务工程局有限公司 | Segmental assembling integrated bridge girder erection machine and construction method thereof |
| CN214243529U (en) * | 2020-12-29 | 2021-09-21 | 中桥科建(德州)路桥工程有限公司 | Beam lifting machine |
| AU2021102633A4 (en) * | 2021-05-17 | 2021-07-29 | China Railway 18 Bureau Group Co. Ltd. | Method for carrying objects by girder crane lifting device arranged in light well |
| CN114084794B (en) * | 2021-11-05 | 2023-05-26 | 中交第二航务工程局有限公司 | Automatic lifting appliance for segmental beam and construction method thereof |
-
2022
- 2022-07-29 CN CN202221981955.6U patent/CN218539008U/en active Active
- 2022-08-09 WO PCT/CN2022/111007 patent/WO2024021155A1/en unknown
- 2022-08-09 DE DE212022000054.4U patent/DE212022000054U1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024021155A1 (en) | 2024-02-01 |
| DE212022000054U1 (en) | 2023-04-21 |
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| GR01 | Patent grant |