CN219297991U - Auxiliary lifting device for bent cap - Google Patents
Auxiliary lifting device for bent cap Download PDFInfo
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- CN219297991U CN219297991U CN202223150412.2U CN202223150412U CN219297991U CN 219297991 U CN219297991 U CN 219297991U CN 202223150412 U CN202223150412 U CN 202223150412U CN 219297991 U CN219297991 U CN 219297991U
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- bent cap
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Abstract
The utility model discloses a capping beam auxiliary hoisting device, which is a telescopic hanging bracket, and comprises: the main frame is a rectangular cylinder; two sub-frames, each of which is a rectangular cylinder, are nested and telescopic in the main frame; the auxiliary connecting pieces are symmetrically arranged in the length direction of the main frame by taking the length center of the main frame as a base point; and the pull rod mechanism is detachably arranged on each auxiliary frame. The utility model can realize safe, stable and reliable auxiliary hoisting of the side-span bent cap, is suitable for construction environments with limited sites, does not need to use a plurality of hoisting devices, has small occupied space, does not influence traffic, and reduces the influence on surrounding environments.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to an auxiliary lifting device for a bent cap.
Background
The construction of the large-tonnage bent cap generally directly adopts two crawler cranes to construct the bent cap, and the bent cap occupies more space, has long construction time and has great influence on traffic. And because engineering machinery such as crawler crane occupies the problem of ground space, the requirement is higher to surrounding construction environment, and place narrow and small place is difficult to use many crawler crane to hoist and mount the construction, exists construction period long to need to set up temporary support, cause great influence to the traffic of bent cap below, danger coefficient is big.
Disclosure of Invention
The utility model aims to provide an auxiliary lifting device for a bent cap, which is used for solving the problems that a plurality of cranes are used for lifting the bent cap, the occupied space is large, the space condition is limited, and the traffic influence is large.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: supplementary hoist device of bent cap, supplementary hoist device of bent cap is telescopic gallows, telescopic gallows includes:
the main frame is a rectangular cylinder;
two sub-frames, each of which is a rectangular cylinder, are nested and telescopic in the main frame;
the auxiliary connecting pieces are symmetrically arranged in the length direction of the main frame by taking the length center of the main frame as a base point;
and the pull rod mechanism is detachably arranged on each auxiliary frame.
Further, the auxiliary lifting device for the bent cap provided by the utility model comprises two shoulder pole beams, wherein the two shoulder pole beams are distributed on the upper surface and the lower surface of the auxiliary frame, two pull rods connected to the two shoulder pole beams are distributed on two sides of the auxiliary frame in the width direction.
Further, the auxiliary connecting piece comprises the section steel arranged on the main frame and below the main frame, and the steel corbel is arranged between the section steel and the main frame.
Further, the cover beam auxiliary hoisting device provided by the utility model is characterized in that the section steel is formed by assembling two channel steels, H-shaped steel or I-shaped steel.
Further, the auxiliary lifting device for the bent cap is characterized in that limiting pieces for limiting the auxiliary frame from falling off from the main frame are arranged in two ends of the main frame.
Furthermore, according to the auxiliary lifting device for the bent cap, the auxiliary frame and the main frame are nested and telescopic through the rolling assembly.
Further, the auxiliary lifting device for the bent cap provided by the utility model comprises a plurality of rollers which are arranged on the upper surface and the lower surface or the left surface and the right surface in the main frame at intervals through fixing pieces, and the auxiliary frame is nested and telescopic relative to the main frame through the rollers.
Furthermore, according to the auxiliary lifting device for the bent cap, the auxiliary frame is nested and telescopic on the main frame through the guide rail assembly.
Further, the guide rail assembly comprises guide wheels arranged on the upper surface and the lower surface or the left surface and the right surface of the auxiliary frame, and the auxiliary frame is nested and telescopic relative to the main frame through the guide wheels.
Further, in the auxiliary lifting device for the bent cap, the length of the main frame of the telescopic lifting frame is larger than the width of the middle bent cap to be lifted.
Compared with the prior art, the utility model has the following beneficial effects:
according to the auxiliary lifting device for the bent cap, when the multi-section prefabricated bent cap is lifted, the middle bent cap is lifted to the middle pier through one lifting device, the telescopic hanging frame is connected to the middle bent cap, the lifting device is withdrawn, the length of the auxiliary frame of the telescopic hanging frame relative to the main frame is adjusted, the side bent cap is lifted on the side pier on the corresponding side through the lifting device, the side bent cap is connected with the telescopic hanging frame through the pull rod mechanism, and the lifting device is withdrawn to carry out lifting and connecting operations of the side bent cap on the other side. The force of the side Duan Gailiang of each side is sequentially transmitted to the auxiliary frame, the main frame and the middle-section bent cap through the telescopic hanging frame, and the safe, stable and reliable auxiliary hanging is completed, so that the eccentric hanging operation engineering of the side bent cap is carried out through combining the telescopic hanging frame by one hanging device under the condition of limited places, the construction environment of limited places is suitable, the problems that the occupied space of hanging each section of bent cap by a plurality of hanging devices is large, traffic passing is influenced are solved, and the influence on the surrounding environment is reduced.
According to the auxiliary lifting device for the bent cap, disclosed by the utility model, the bent cap at the side section is lifted in an auxiliary manner through the telescopic hanging frame, so that the safety and stability of the bent cap at the side section in the eccentric lifting operation process are ensured.
Drawings
Fig. 1 is a schematic view of a front view structure of a bent cap auxiliary hoisting device in a use state;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;
fig. 4 is a schematic view of a partial top view structure of the auxiliary lifting device for the bent cap in a use state;
the figure shows:
101. the middle bridge pier, 102 and the edge bridge pier;
201. the middle section cover beam, 202, sides Duan Gailiang, 203, cast-in-situ beam, 204 and hanging ring;
300. a telescopic hanger;
310. main frame, 320, subframe, 330, auxiliary connection piece, 331, steel bracket, 332, shaped steel, 333, embedded piece, 340, pull rod mechanism, 341, shoulder pole beam, 342, pull rod, 343, nut, 344, cushion block, 350, rolling assembly, 351, roller, 352 and fixing piece.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures: the advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
Referring to fig. 1 to 4, an embodiment of the present utility model provides a capping beam auxiliary hoisting device, where the capping beam auxiliary hoisting device may be a telescopic hanger 300, and the telescopic hanger 300 includes:
the main frame 310 is a rectangular cylinder, i.e. the cross section of the main frame 310 is rectangular.
The number of sub-frames 320 is two, and each sub-frame 320 is a rectangular cylinder, i.e. the cross section of the sub-frame 320 is rectangular. The sub-frame 320 is nested telescopically within the main frame 310. Wherein the cross-sectional dimension of the sub-frame 320 is smaller than the cross-sectional dimension of the main frame. Namely, the main frame 310 and the auxiliary frame 320 are steel sleeves, and the auxiliary frame 320 is nested relative to the main frame 310 for telescopic control.
The auxiliary connection members 330 are symmetrically disposed in the longitudinal direction of the main frame 310 with the longitudinal center of the main frame 310 as a base point.
A pull rod mechanism 340 is detachably provided on each of the sub-frames 320. The pull rod mechanism 340 includes two carrying pole beams 341, the two carrying pole beams 341 are distributed on the upper and lower surfaces of the sub-frame 320, two pull rods 342 connected to the two carrying pole beams 341, and the two pull rods 342 are distributed on two sides of the sub-frame 320 in the width direction. Wherein the tie rod 342 may be a double-ended screw and a nut 343 thereon. To enhance the locking effect, each end of the tie rod 342 may be secured by a double nut. In order to reduce wear on the upper shoulder pole beam 341 and improve reliable connection of the upper shoulder pole beam 341, the nut 343 secures the upper shoulder pole beam 341 by means of the spacer 344. Of course, in order to reduce wear on the lower shoulder pole beam 341 and improve reliable connection of the lower shoulder pole beam 341, a spacer or washer may be provided between the nut 343 and the lower shoulder pole beam 341. The shoulder pole beam 341 may be formed by two back-to-back channel steel, two H-shaped steel, or two i-shaped steel assemblies. The shoulder pole beam 341 is formed by profile steel, has the advantages of high rigidity strength, difficult bending and good bearing effect.
In order to avoid the sub-frame 320 from separating from the main frame 310, in the auxiliary lifting device for the bent cap provided by the first embodiment of the present utility model, the two ends of the main frame 310 are provided with the limiting members, so that the maximum extension length of the sub-frame 320 is limited in the main frame 310 by the limiting members, thereby preventing the sub-frame 320 from falling off when extending, and improving the reliability, stability and safety of the extension control.
Referring to fig. 1 to 3, in the capping beam auxiliary hoisting apparatus provided in the embodiment of the utility model, the auxiliary connecting member 330 may include a section steel 332 disposed on the main frame 310 and located below the main frame 310, and a steel bracket 331 disposed between the section steel 332 and the main frame 310. To improve reliability, the width of the profile steel 332 is greater than the width of the telescoping hanger 300.
Referring to fig. 2, in the bent cap auxiliary hoisting device provided by the embodiment of the utility model, the sub-frame 320 is embedded and telescopically arranged on the main frame 310. The telescoping arrangement may be by a rolling assembly 350 or a rail assembly.
Referring to fig. 2, in order to facilitate the telescopic control of the sub-frame 320 relative to the main frame 310, in the capping beam auxiliary hoisting device provided by the embodiment of the utility model, the sub-frame 320 and the main frame 310 can be telescopic through the rolling assembly 350. The rolling assembly 350 may include rows of rollers 351 disposed at upper and lower surfaces or left and right surfaces within the main frame 310, which are spaced apart by a fixing member 352, and the sub-frame 320 is telescopically disposed with respect to the main frame 310 by the rollers 351. At this time, the sub-frame 320 rolls with respect to the main frame 310 by the roller 351 to realize telescopic control.
In order to realize telescopic control, in the capping beam auxiliary hoisting device provided by the embodiment of the utility model, the auxiliary frame 320 and the main frame 310 can be arranged in a telescopic manner through the guide rail assembly. The rail assembly may include guide wheels provided at upper and lower surfaces or left and right surfaces of the sub-frame 320, and the sub-frame 320 is telescopically disposed with respect to the main frame 310 by the guide wheels.
In order to improve the reliability and stability of hoisting, the length of the main frame 310 of the telescopic hanging frame is greater than the width of the middle-section bent cap to be hoisted.
Referring to fig. 1 to 4, the capping beam is a three-section prefabricated capping beam, and includes a middle capping beam 201 and side capping beams 202 located at two sides of the middle capping beam 201.
The method for hoisting the bent cap by using the auxiliary hoisting device for the bent cap provided by the embodiment of the utility model can comprise the following steps:
in step 401, embedded parts 333 are disposed at two ends of the middle capping beam 201 in the width direction. The embedded part 333 includes an embedded steel plate and an embedded rod perpendicular thereto.
Step 402, connecting the middle-section capping beam 201 with the embedded part 333 with the lifting ring 204 through a lifting device, and lifting the middle-section capping beam 201 on the middle pier 101, so that the width center of the middle-section capping beam 201 is aligned on the middle pier 101. After the hoisting of the middle bent cap 201 is completed, the hoisting device may be withdrawn.
Step 403, the telescopic hanging frame 300 of the above embodiment is hung above the middle-section capping beam 201 in parallel through a hanging device, so that the auxiliary connecting piece 330 of the telescopic hanging frame 300 is aligned and welded on the embedded piece 333 of the middle-section capping beam 201, and the capping beam auxiliary hanging device is connected on the middle-section capping beam 201. And after the middle-section bent cap 210 is lifted and installed, withdrawing the lifting device. The auxiliary lifting device for the bent cap is a telescopic lifting frame 300, the telescopic lifting frame 300 comprises a main frame 310, two auxiliary frames 320 which are arranged on the main frame 310 in a telescopic manner at two ends of the length direction of the main frame 310, auxiliary connecting pieces 330 are arranged at two ends of the length direction of the main frame 310, and a pull rod mechanism 340 is detachably arranged on each auxiliary frame 320. Wherein the pull rod mechanism 340 includes two shoulder pole beams 341 along the telescopic hanger 300, and two pull rods 342 connected to the two shoulder pole beams 341. In order to shorten the extension distance of the sub-frame 320 with respect to the main frame 310 and improve the rigidity strength of the sub-frame 320 after extension, the length of the main frame 310 may be greater than or equal to the width of the middle bent cap 201. Wherein the telescopic hanger 300 facilitates the lifting and reduces the space occupation when being contracted.
In step 404, the sub-frame 320 of the telescopic hanger 300 is telescopically adjusted with respect to the main frame 310 such that the sub-frame 320 of the telescopic hanger 300 extends beyond both ends of the middle deck girder 201 in the width direction.
In step 405, the side capping beams 202 on two sides are sequentially suspended on the side bridge piers 102 on the corresponding sides, when the side capping beam 202 on each side is suspended on the side bridge piers 102 on the corresponding side, one end of the side Duan Gailiang is arranged on the side bridge piers 102, the other end is suspended close to the middle capping beam 201, and the suspended end of the side Duan Gailiang 202 is connected with the subframe 320 of the telescopic hanging frame 300 through the pull rod mechanism 340 of the telescopic hanging frame 300 so as to connect the suspended end of the side Duan Gailiang 202 to the telescopic hanging frame 300. The method of installing the pull rod mechanism 340 is as follows: the upper shoulder pole 341 of the pull rod mechanism 340 is abutted against the upper surface of the sub-frame 320 of the telescopic hanger 300, the lower shoulder pole 341 of the pull rod mechanism 340 is abutted against the lower surface of the suspended end of the side Duan Gailiang 202, and the pull rods 342 are abutted against or close to both sides in the longitudinal direction of the side Duan Gailiang 202, so that the suspended end of the side Duan Gailiang 202 is connected to the sub-frame 320 of the telescopic hanger 300 by the pull rod mechanism 340 of the telescopic hanger 300.
In step 406, in order to form a complete bridge, the cast-in-situ beam 203 may be constructed by a formwork at the construction joint between the middle section capping beam 201 and the side section capping beam 202 to form a complete bridge.
In the auxiliary lifting device for the bent cap provided by the embodiment of the utility model, when a multi-section prefabricated bent cap is lifted, after the middle bent cap 201 is lifted to the middle pier 101 through one lifting device, the telescopic hanging frame 300 is connected to the middle bent cap 201, the lifting device is withdrawn, the length of the subframe 320 of the telescopic hanging frame 300 relative to the main frame 310 is adjusted, after the side bent cap 202 is lifted on the side pier 102 on the corresponding side through the lifting device, the side Duan Gailiang 202 is connected with the telescopic hanging frame 300 through the pull rod mechanism 340, and the lifting device is withdrawn to carry out lifting and connection operation of the side bent cap 202 on the other side. The force of the side section bent cap 202 on each side is sequentially transmitted to the auxiliary frame 320, the main frame 310 and the middle section bent cap 201 through the telescopic hanging frame 300, and the safe, stable and reliable auxiliary hanging is completed, so that under the condition of limited places, the eccentric hanging operation engineering of the side section bent cap 202 is carried out through combining one hanging device with the telescopic hanging frame 300, the telescopic hanging frame is suitable for construction environments with limited places, the problems that the occupied space of hanging each section of bent cap by a plurality of hanging devices is large, traffic is influenced are solved, and the influence on the surrounding environment is reduced.
According to the auxiliary lifting device for the bent cap, disclosed by the embodiment of the utility model, the telescopic hanging frame 300 is used for carrying out auxiliary lifting on the side section bent cap 202, so that the safety and stability of the side section bent cap 202 in the eccentric lifting operation process are ensured.
The auxiliary hoisting device for the capping beam provided by the embodiment of the utility model optimizes the hoisting construction process of the prefabricated capping beam, shortens the construction period and solves the hoisting problem of the large-tonnage prefabricated capping beam under the condition of limited sites.
The auxiliary lifting device for the bent cap provided by the embodiment of the utility model can be recycled and reused, and meets the green sustainable construction requirement.
The present utility model is not limited to the above-described embodiments, but rather, the above-described embodiments are merely examples of some, but not all embodiments of the present utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model. Other levels of modification and variation to the present utility model may occur to those skilled in the art. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims.
Claims (10)
1. Supplementary hoist device of bent cap, its characterized in that, supplementary hoist device of bent cap is telescopic gallows, telescopic gallows includes:
the main frame is a rectangular cylinder;
two sub-frames, each of which is a rectangular cylinder, are nested and telescopic in the main frame;
the auxiliary connecting pieces are symmetrically arranged in the length direction of the main frame by taking the length center of the main frame as a base point;
and the pull rod mechanism is detachably arranged on each auxiliary frame.
2. The bent cap auxiliary lifting device according to claim 1, wherein the pull rod mechanism comprises two shoulder pole beams, the two shoulder pole beams are distributed on the upper surface and the lower surface of the auxiliary frame, two pull rods connected to the two shoulder pole beams are distributed on two sides of the auxiliary frame in the width direction.
3. The bent cap auxiliary hoisting device according to claim 1, wherein the auxiliary connection member comprises a section steel arranged on the main frame below the main frame, and a steel corbel arranged between the section steel and the main frame.
4. A bent cap auxiliary hoisting device according to claim 3, wherein the section steel is assembled by two channel steels, H-section steels or i-section steels.
5. The bent cap auxiliary hoisting device according to claim 1, wherein limiting pieces for limiting the falling-off of the auxiliary frame from the main frame are arranged in two ends of the main frame.
6. The bent cap auxiliary hoisting device according to claim 5, wherein the auxiliary frame and the main frame are nested and telescopic through a rolling assembly.
7. The bent cap auxiliary hoisting device according to claim 6, wherein the rolling assembly comprises a plurality of rollers arranged on the upper and lower surfaces or the left and right surfaces of the main frame at intervals through fixing pieces, and the auxiliary frame is nested and telescopic relative to the main frame through the rollers.
8. The bent cap auxiliary hoisting device according to claim 5, wherein the auxiliary frame is nested and telescopic on the main frame through a guide rail assembly.
9. The bent cap auxiliary hoisting device according to claim 8, wherein the guide rail assembly comprises guide wheels arranged on the upper and lower surfaces or the left and right surfaces of the sub-frame, and the sub-frame is nested and telescopic relative to the main frame through the guide wheels.
10. The bent cap auxiliary hoisting device according to claim 1, wherein the length of the main frame of the telescopic hanger is greater than the width of the middle bent cap to be hoisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223150412.2U CN219297991U (en) | 2022-11-25 | 2022-11-25 | Auxiliary lifting device for bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223150412.2U CN219297991U (en) | 2022-11-25 | 2022-11-25 | Auxiliary lifting device for bent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219297991U true CN219297991U (en) | 2023-07-04 |
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ID=86986743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223150412.2U Active CN219297991U (en) | 2022-11-25 | 2022-11-25 | Auxiliary lifting device for bent cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219297991U (en) |
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2022
- 2022-11-25 CN CN202223150412.2U patent/CN219297991U/en active Active
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