CN215671118U - Load distributor for structure unloading - Google Patents
Load distributor for structure unloading Download PDFInfo
- Publication number
- CN215671118U CN215671118U CN202022714553.7U CN202022714553U CN215671118U CN 215671118 U CN215671118 U CN 215671118U CN 202022714553 U CN202022714553 U CN 202022714553U CN 215671118 U CN215671118 U CN 215671118U
- Authority
- CN
- China
- Prior art keywords
- load
- plate
- bearing plate
- plates
- truss structure
- 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.)
- Active
Links
Images
Abstract
The application relates to a load distributor for structure unloading, which belongs to the technical field of structure unloading, and is positioned between a truss structure and a hydraulic jack on a support, and comprises a horizontally arranged bearing plate, wherein the length of the bearing plate is greater than the width of a box-shaped member of the truss structure; the top surface of the bearing plate is fixedly connected with load-carrying plates at intervals along the length direction of the bearing plate, and the load-carrying plates are parallel to and vertically opposite to side plates of the box-type members of the truss structure; the hydraulic jacks are at least two and are respectively positioned below the opposite load bearing plates. This application distributes truss structure's load to the board of carrying on the load of both sides, and the bottom plate of box component is not atress, has the bottom plate atress of truss structure's box component when avoiding the structure uninstallation effect that warp.
Description
Technical Field
The present application relates to the field of structure unloading, and more particularly, to a load distributor for structure unloading.
Background
In the steel structure engineering construction, the scheme of integral hoisting, integral lifting, sliding and the like is adopted, when the integral structure does not form a stable frame, the tower or the steel column is temporarily used as a support, the member or the structure body is fixed, and when the installation and the interface welding work are completed and the integral stress of the structure is completed, the process of removing the temporary support is called the unloading of the steel structure.
As shown in fig. 1, in the installation process of the steel structure, a plurality of cushion blocks with the thickness of 100-200 mm are used for supporting the truss structure 1 on an X-shaped jig frame 21 at the top of a bracket 2. In the unloading process, the hydraulic jack 3 is lifted firstly to replace the cushion block to support the truss structure 1, then the cushion block on the uppermost layer is removed, the hydraulic jack slowly descends to the height of relieving the supporting force, the load of the truss structure 1 is supported by the rest cushion block, the steps are repeated until all the load of the truss structure 1 is completely born by the hydraulic jack, and the unloading construction is completed.
However, since the truss structure 1 employs a box-shaped member having a hollow interior, when the truss structure is directly supported by the hydraulic jack 3, the member is easily deformed when a load of the truss structure 1 is large.
SUMMERY OF THE UTILITY MODEL
In order to avoid the bottom plate of the box-type member of the truss structure from being deformed by force when the structure is unloaded, the application provides a load distributor for unloading the structure.
The application provides a load distributor that structure uninstallation used adopts following technical scheme:
a load distributor for unloading a structure is positioned between a truss structure and a hydraulic jack on a support and comprises a horizontally arranged bearing plate, wherein the length of the bearing plate is greater than the width of a box-shaped member of the truss structure; the top surface of the bearing plate is fixedly connected with load-carrying plates at intervals along the length direction of the bearing plate, and the load-carrying plates are parallel to and vertically opposite to side plates of box-type components of the truss structure; the hydraulic jacks are at least two and are respectively positioned below the opposite load bearing plates.
By adopting the technical scheme, when the structure is unloaded, the load distributor is placed between the hydraulic jack and the box-shaped member of the truss structure, the load bearing plate is parallel to and vertically opposite to the side plate of the box-shaped member of the truss structure, the hydraulic jack is slowly lifted to replace a cushion block to support the truss framework, and the load distributor transfers the load of the truss structure to the opposite load bearing plate, so that the bottom plate of the box-shaped member of the truss structure is not stressed, and the box-shaped member is prevented from deforming.
Preferably, the width of the loading plate is not less than the width of a side plate of a box-shaped member of the truss structure.
By adopting the technical scheme, the stress area of the load bearing plate is increased, the side plate is supported, and the strength of the load bearing plate is ensured.
Preferably, the length of the loading plate is smaller than the width of the loading plate.
By adopting the technical scheme, the load bearing plates are all positioned on the bearing plate, and the stress of the load bearing plates is transferred to the bearing plate.
Preferably, the top surface of the bearing plate is fixed with connecting plates, two ends of each connecting plate in the length direction are respectively and fixedly connected with the opposite side surfaces of the opposite load bearing plates, and the connecting plates are vertically arranged and the top surfaces of the connecting plates are lower than the top surfaces of the load bearing plates.
By adopting the technical scheme, the distance is reserved between the connecting plate and the bottom plate of the box-shaped member of the truss structure, and the bottom of the box-shaped member is prevented from being stressed during unloading.
Preferably, the connecting plate is located at the middle position in the width direction of the bearing plate.
By adopting the technical scheme, the load distributor is ensured to be stressed uniformly in the using process.
Preferably, a reinforcing plate fixedly connected with the load bearing plate is fixed on the top surface of the bearing plate.
By adopting the technical scheme, the reinforcing plate can enhance the connection strength between the load bearing plate and the strength of the reinforcing plate, and the load bearing plate is prevented from deforming under the load of the truss structure.
Preferably, the reinforcing plates are arranged on the two sides of the loading plate along the width direction of the loading plate.
Through adopting above-mentioned technical scheme, further strengthen the intensity of carrying the board.
Preferably, a plurality of the reinforcing plates are symmetrical with respect to a line of symmetry in the length direction of the load carrying plate.
By adopting the technical scheme, the bearing plate is more uniform in stress.
Preferably, the bottom surface of the bearing plate is fixedly connected with the top end of the hydraulic jack.
Through adopting above-mentioned technical scheme, avoid sliding at the in-process loading board that uses, influence uninstallation operation progress.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the load distributor, the load of the box-shaped member of the truss structure is transferred to the load bearing plates on the two sides, so that the stress of a bottom plate of the box-shaped member is avoided during unloading, and the box-shaped member is prevented from deforming;
2. the connecting plates are arranged between the opposite load bearing plates, and the reinforcing plates connected with the load bearing plates are arranged on the load bearing plates, so that the strength of the load bearing plates is enhanced;
3. through with loading board and hydraulic jack fixed connection, avoid taking place relative movement at the in-process load distributor of uninstallation.
Drawings
Fig. 1 is a structure unloading apparatus in the related art.
Fig. 2 is a view showing a state of use of the load distributor for unloading the structure of the present application.
Fig. 3 is an overall structural view of the load distributor for structure unloading of the present application.
Description of reference numerals: 1. a truss structure; 2. a support; 21. an X-shaped jig frame; 3. a hydraulic jack; 4. a carrier plate; 5. a loading plate; 6. a connecting plate; 7. a reinforcing plate.
Detailed Description
The present application is described in further detail below with reference to figures 2-3.
The embodiment of the application discloses a load distributor for unloading a structure. Referring to fig. 2 and 3, the load distributor is placed between the truss structure 1 and the hydraulic jacks 3, the hydraulic jacks 3 being located on the X-bed 21 of the support 2. The spacer blocks for supporting the truss structure 1 when the truss structure 1 is installed are located between the X-jig 21 and the truss structure 1 (not shown).
The load distributor comprises a horizontally arranged carrier plate 4, the length of the carrier plate 4 being greater than the width of the box-shaped members of the truss structure 1.
The load bearing plates 5 are arranged on the top surface of the bearing plate 4 at intervals along the length direction of the bearing plate 4 and are parallel to and vertically opposite to the side plates of the box-shaped members of the truss structure 1. The bottom surface of the loading plate 5 is fixedly connected with the top surface of the loading plate 4. The length of the load carrying plate 5 is equal to the width of the carrying plate 4. The width of the load carrying plate 5 is not less than the width of the side plates of the box members of the truss structure 1.
A connecting plate 6 is arranged between the opposite load bearing plates 5, and the two ends in the length direction of the connecting plate are respectively fixedly connected with the opposite end surfaces of the load bearing plates 5. The connecting plate 6 is vertically arranged and the bottom surface is fixedly connected with the bearing plate 4. The connecting plate 6 is located at the middle position in the width direction of the bearing plate 4. The top end of the connecting plate 6 is lower than the top end of the load carrying plate 5, leaving a distance to the box members of the truss structure 1. The connection plate 6 may be provided in plurality.
The two side surfaces of the load bearing plate 5 along the length direction of the bearing plate 4 are fixedly connected with triangular reinforcing plates 7, and the bottom surface of each reinforcing plate 7 is fixedly connected with the bearing plate 4. The reinforcing plates 7 are at least four and symmetrical with respect to the connecting plate 6 at both sides of the load carrying plate 5 in the width direction. The reinforcing plate 7 can enhance the connection strength between the load carrying plate 5 and the loading plate 4 and the strength of the reinforcing plate itself, and prevent deformation under the load of the truss structure 1.
In the embodiment, the connection between the bearing plate 4 and the load carrying plate 5, the connection between the bearing plate 4 and the connecting plate 6, the connection between the bearing plate 4 and the reinforcing plate 7, the connection between the load carrying plate 5 and the connecting plate 6, and the connection between the load carrying plate 5 and the reinforcing plate 7 all adopt a welding mode. The bearing plate 4, the load bearing plate 5, the connecting plate 6 and the reinforcing plate 7 are all made of high-strength steel plates.
The two hydraulic jacks 3 are arranged and respectively positioned at the middle position below the load bearing plate 5. The hydraulic jack 3 and the bearing plate 4 are temporarily fixed, such as welded, so that the bearing plate 4 is prevented from sliding in the use process.
The implementation principle of the load distributor for structure unloading in the embodiment of the application is as follows: when the truss structure 1 is unloaded, firstly, the load distributor is placed on the two hydraulic jacks 3, the load carrying plate 5 is parallel to and vertically opposite to a side plate of a box-shaped member of the truss structure 1, then the hydraulic jacks 3 are lifted to replace cushion blocks to support the main truss structure 1, the cushion block on the uppermost layer is removed, the hydraulic jacks slowly descend to the height of relieving the supporting force, the load of the truss structure 1 is supported by the rest cushion blocks, the steps are repeated until all the load of the truss structure 1 is completely born by the self, and the unloading construction is completed.
The load distributor distributes the load of the truss structure 1 to the two hydraulic jacks 3 below through the load plate 5, and the bottom plate of the box-shaped structure of the truss structure 1 is not stressed or is stressed less, so that the deformation of the bottom plate is avoided.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A load distributor for unloading a structure, the load distributor being located between a truss structure (1) and hydraulic jacks (3) on a support (2), characterized in that: the truss structure comprises a horizontally arranged bearing plate (4), wherein the length of the bearing plate (4) is greater than the width of a box-shaped member of the truss structure (1); the top surface of the bearing plate (4) is fixedly connected with load-carrying plates (5) which are spaced along the length direction of the bearing plate (4), and the load-carrying plates (5) are parallel to and vertically opposite to side plates of box-shaped members of the truss structure (1); the hydraulic jacks (3) are at least two and are respectively positioned below the opposite load bearing plates (5).
2. The load distributor for unloading structures of claim 1, wherein: the width of the load bearing plate (5) is not less than the width of a side plate of a box-shaped member of the truss structure (1).
3. The load distributor for unloading structures of claim 1, wherein: the length of the loading plate (5) is less than the width of the loading plate (4).
4. The load distributor for unloading structures of claim 1, wherein: the bearing plate is characterized in that connecting plates (6) with two ends in the length direction fixedly connected with opposite side faces of the opposite load bearing plates (5) are fixed on the top face of the bearing plate (4), and the connecting plates (6) are vertically arranged and the top faces are lower than the top faces of the load bearing plates (5).
5. The load distributor for unloading structures of claim 4, wherein: the connecting plate (6) is positioned in the middle of the width direction of the bearing plate (4).
6. The load distributor for unloading structures of claim 1, wherein: and a reinforcing plate (7) fixedly connected with the load bearing plate (5) is fixed on the top surface of the bearing plate (4).
7. The load distributor for unloading structures of claim 6, wherein: the reinforcing plates (7) are arranged on the two sides of the load bearing plate (5) along the width direction of the bearing plate (4).
8. The load distributor for unloading structures of claim 7, wherein: the reinforcing plates (7) are symmetrical about a symmetry line of the load carrying plate (5) in the length direction.
9. The load distributor for unloading structures of claim 1, wherein: the bottom surface of the bearing plate (4) is fixedly connected with the top end of the hydraulic jack (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714553.7U CN215671118U (en) | 2020-11-20 | 2020-11-20 | Load distributor for structure unloading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714553.7U CN215671118U (en) | 2020-11-20 | 2020-11-20 | Load distributor for structure unloading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215671118U true CN215671118U (en) | 2022-01-28 |
Family
ID=79949102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022714553.7U Active CN215671118U (en) | 2020-11-20 | 2020-11-20 | Load distributor for structure unloading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215671118U (en) |
-
2020
- 2020-11-20 CN CN202022714553.7U patent/CN215671118U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101633483B (en) | Integral lifting apparatus for steel structure net rack | |
| CN111409789A (en) | Hoisting assembly and hoisting method for bow main section of bulk cargo ship | |
| CN215671118U (en) | Load distributor for structure unloading | |
| CN214740171U (en) | Ancient building wall body hoist and mount migration device | |
| CN112081012B (en) | Jacking and transporting method for large prestressed concrete precast box girder | |
| CN209836805U (en) | Transverse linear matching adjusting device and system for steel box girder cantilever assembly | |
| CN109629450B (en) | Device, system and method for adjusting transverse linear matching of cantilever assembly of steel box girder | |
| CN212175879U (en) | Movable foundation pile static load testing device | |
| CN214301309U (en) | Large-section steel box girder installation and accurate adjustment combined type supporting device | |
| KR20090039903A (en) | Multiful beam and manufacturing method of the same | |
| TW201437457A (en) | Jack stand for bridge lifting | |
| CN217051328U (en) | Lifting tool for pressure vessel support of nuclear power plant | |
| CN219384557U (en) | Hoisting equipment with plate structure | |
| CN215854835U (en) | Vehicle-mounted pad pier for SPMT in-place module bottom layer structural sheet | |
| CN214298925U (en) | Supporting frame for hoisting box-shaped derrick oblique frame | |
| CN216035708U (en) | Steel construction brake plate storage rack | |
| CN215052020U (en) | Reaction frame for prepressing zero block of railway continuous beam | |
| CN220485174U (en) | Auxiliary reinforcing device for tower crane attached to square structural column | |
| CN216551583U (en) | Horizontal mounting rack for rectangular pier stud reinforcement cage | |
| CN217025113U (en) | Bracket hoisting system | |
| CN210710387U (en) | Steel construction hoist girder downwarping arch camber prosthetic devices | |
| CN217624660U (en) | A transportation bed-jig for overlength component | |
| CN213233136U (en) | Reverse jig frame for integrally manufacturing steel box girder | |
| CN108059088A (en) | Rack slot machine shoulder pole girder deflects in the air turns over interchanging method and device | |
| CN215666641U (en) | Turnover supporting seat for hoisting dome structure steel truss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |