CN215669042U - Quick leveling construction device for mounting prestressed concrete beam support - Google Patents
Quick leveling construction device for mounting prestressed concrete beam support Download PDFInfo
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- CN215669042U CN215669042U CN202121609210.2U CN202121609210U CN215669042U CN 215669042 U CN215669042 U CN 215669042U CN 202121609210 U CN202121609210 U CN 202121609210U CN 215669042 U CN215669042 U CN 215669042U
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Abstract
The utility model belongs to the technical field of beam body support installation, and solves the problems of complicated steps and high potential safety hazard in the leveling of the existing support jack. The utility model provides a prestressed concrete roof beam support installation quick leveling construction equipment, including setting up the auxiliary frame in the stone underlay upper end, the auxiliary frame covers the outside at the support, the auxiliary frame includes horizontally rectangular frame and sets up the landing leg in the rectangular frame below, rectangular frame is on a parallel with the last steel sheet of support, the periphery of going up the steel sheet evenly is provided with a plurality of preformed holes, the position that corresponds the preformed hole on the rectangular frame all is provided with the hole, all wear to be equipped with the lead screw between relative preformed hole and the hole, the nut locking of lead screw through rectangular frame top and last steel sheet below. The utility model has simple debugging and low potential safety hazard and can realize the quick leveling of the support.
Description
Technical Field
The utility model belongs to the technical field of beam body support installation, and particularly relates to a quick leveling construction device for prestressed concrete beam support installation.
Background
At present, along with the continuous extension of the scale of the construction of high-speed railways and highways, the construction projects in mountainous areas and hilly areas are continuously increased, the terrains of the mountainous areas and the hilly areas are complex, bridges are often required to be erected when roads are constructed, the passing distance between two points is shortened, and the construction period of corresponding bridges tends to be more tense.
The bridge bearing is an important structural component for connecting an upper structure and a lower structure of a bridge, is positioned between the bridge and the pad stone, can reliably transfer load and deformation (displacement and corner) borne by the upper structure of the bridge to the lower structure of the bridge, and is an important force transfer device of the bridge.
At present, a jack leveling method is adopted for bridge support installation and leveling construction, and the specific operation method is as follows: a plurality of jacks are arranged on the periphery below the support, the support is measured by an instrument, the height of the jacks is manually adjusted, the upper height and the lower height of the support are further controlled, and the purpose of leveling is achieved.
However, the above jack leveling method has the following disadvantages:
1. the jacks are arranged below the traditional support, so that the steps are complicated, and particularly when the large working surface is needed to be developed, the number of the needed jacks is large, and accurate positioning is difficult;
2. due to the influence of human factors, errors are easy to occur in the leveling process, repeated debugging is needed, and the jack is required to be adjusted to a reasonable position in a large amount of time due to the complicated adjusting process of the jack;
3. in the adjusting process, in order to ensure the stability of the whole structure, a plurality of persons need to be configured in the leveling of one support, and a certain potential safety hazard is caused by a narrow space;
therefore, a quick leveling construction device for mounting a prestressed concrete beam support, which is simple to debug and low in potential safety hazard, needs to be researched urgently.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of complicated steps and high potential safety hazard in the leveling of the existing support jack, the utility model aims to provide a quick leveling construction device for mounting a prestressed concrete beam support.
In order to achieve the purpose, the utility model adopts the following technical scheme that the quick leveling construction device for mounting the prestressed concrete beam support comprises an auxiliary frame arranged at the upper end of a cushion stone, the auxiliary frame covers the outer side of the support and comprises a horizontal rectangular frame and supporting legs arranged below the rectangular frame, the rectangular frame is parallel to an upper steel plate of the support, a plurality of preformed holes are uniformly formed in the periphery of the upper steel plate, holes are formed in the rectangular frame corresponding to the preformed holes, lead screws penetrate through the preformed holes and the holes, and the lead screws are locked through nuts above the rectangular frame and below the upper steel plate.
Preferably, a gasket is arranged at each nut, and the outer diameter of the gasket is 2-4 times of the diameter of the screw rod.
Preferably, an adjusting gap is reserved between the rectangular frame and the upper steel plate, and the length of the wire rod is larger than the maximum adjusting gap.
Preferably, the support is arranged at the middle of the bottom of the auxiliary frame, and the support legs are arranged at the four corners of the rectangular frame.
Preferably, the rectangular frame comprises four angle steels connected end to end, and the four supporting legs are angle steels with the same specification.
Preferably, the number of the holes on the rectangular frame is four, and the holes are uniformly arranged at four corners of the rectangular frame.
Compared with the prior art, the utility model provides a quick leveling construction device for mounting a prestressed concrete beam support, which has the following beneficial effects:
1. according to the utility model, the auxiliary frame covering the outer side of the support is erected, and the distance adjusting mechanism consisting of the lead screw nut is arranged on the auxiliary frame, so that the support is quickly leveled;
2. the auxiliary frame has a simple and compact structure, the horizontal position of the support can be adjusted by knocking the supporting legs of the auxiliary frame, the position is adjusted without mechanical hoisting, and the risk of the construction machinery injuring workers is reduced;
3. the auxiliary frame can play a certain protection role on the support from the completion of the leveling of the support to the completion of grouting, so that the damage of other machines to the support is avoided;
4. when the nut is rotated to adjust the height of the support or the support leg is knocked to adjust the horizontal position of the support, the operation is simple, the number of personnel needing to be configured is greatly reduced, and the falling accident caused by collision between people due to the narrow construction space of the pier top is avoided;
5. after the auxiliary frame is used up, the auxiliary frame can be repeatedly used and is easy to turnover, and the construction cost is reduced.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a leveling schematic diagram of a construction device for quickly leveling a prestressed concrete beam support installation, which is provided by the utility model;
FIG. 2 is a schematic view of the installation completion of a prestressed concrete beam support installation rapid leveling construction device provided by the utility model;
FIG. 3 is a schematic view of an installation process of a rapid leveling construction device for installing a prestressed concrete beam support according to the present invention;
FIG. 4 is a schematic view of an installation position of an auxiliary frame of a construction device for installing a fast leveling of a prestressed concrete beam support according to the present invention;
fig. 5 is a schematic structural view of an auxiliary frame for installing a rapid leveling construction device on a prestressed concrete beam support.
In the figure: 1-an auxiliary frame; 1.1-rectangular frame; 1.2-legs; 2, punching holes; 3-a screw rod; 4-a nut; 5-a gasket; 6-a cushion stone; 7-support; 7.1-upper steel plate; 7.2-embedding bolts; 7.3-prepare the hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The present invention provides an embodiment:
the utility model provides a prestressed concrete roof beam support installation fast leveling construction equipment, as shown in figure 1, including setting up auxiliary frame 1 in the stone pad upper end, the outside at the support is established to auxiliary frame 1 cover, auxiliary frame 1 includes horizontally rectangular frame 1.1 and sets up landing leg 1.2 in rectangular frame 1.1 below, rectangular frame 1.1 is on a parallel with the last steel sheet of support, the periphery of going up the steel sheet evenly is provided with a plurality of preformed holes, the position that corresponds the preformed hole on rectangular frame 1.1 all is provided with hole 2, lead screw 3 all wears to be equipped with between relative preformed hole and the hole 2, lead screw 3 is locked through nut 4 of rectangular frame 1.1 top and last steel sheet below.
In the bridge mounting structure, the base stone 6 sets up between the mound top of bridge and support 7, the lower extreme of support 7 is provided with buried bolt 7.2 in advance, buried bolt 7.2 is inserted in the corresponding embedded hole that sets up on the base stone 6, highly leveling to support 7 through the roll adjustment mechanism, later to the below of support 7, and carry out concrete placement between buried bolt 7.2 and the corresponding embedded hole, and then the mounted position of fixed bolster 7, it is used for the preformed hole 7.3 of later stage installation leveling steel sheet to originally be provided with on steel sheet 7.1, here is used for the tie point of steel sheet 7.1 and lead screw 3, avoided trompil once more on last steel sheet 7.1, the aforesaid is prior art, specific details do not need here to describe again.
As shown in fig. 4 and 5, the auxiliary frame 1 is used as an important part of the stress of the whole device, the rectangular frame 1.1 is a rectangular frame formed by connecting four angle steels end to end, the support legs 1.2 are arranged at four corners of the rectangular frame 1.1, the four support legs 1.2 are all the angle steels, the rectangular frame 1.1 and the four support legs 1.2 are welded and erected to form a stress device capable of bearing the support 7 and used for hoisting the support 7, the arrangement of the rectangular frame 1.1 is convenient for observing the support below during distance adjustment, and if the installation is convenient, the rectangular frame 1.1 can be replaced by a whole steel plate;
the height of the supporting leg 1.2 is determined according to the height of the support 7, the size of the rectangular frame 1.1 on the auxiliary frame 1 is determined according to the upper steel plate 7.1, four preformed holes 7.3 which are originally connected with the embedded leveling steel plates are correspondingly formed in the rectangular frame 1.1 and are arranged at four corners of the rectangular frame 1.1, and the auxiliary frame 1 can select the hole opening positions of the corresponding holes 2 according to the supports 7 of different specifications to form series models.
The support 7 is arranged at the center of the bottom of the auxiliary frame 1, an adjusting gap is reserved between the rectangular frame 1.1 and the upper steel plate 7.1, the length of the screw rod 3 is larger than the maximum adjusting gap, the length of the screw rod 3 is determined according to the bottom end of the rectangular frame 1.1 of the auxiliary frame 1 and the height clearance of the support 7, the screw rod 3 is used as a hoisting connection point between the auxiliary frame 1 and the support 7, the screw rod 3, the nut 4 and the gasket 5 of corresponding specifications can be selected according to the diameter of the preformed hole 7.3 on different supports 7, the nut 4 above is used as an adjusting nut for adjusting the upper and lower elevations of the support 7, and the nut 4 below is used as a stress point of the support 7 and the screw rod 3.
As shown in fig. 2 and 3, the nuts 4 above the rectangular frame 1.1 and below the upper steel plate are provided with the gaskets 5, the outer diameter of each gasket 5 is 2-4 times of the diameter of the screw rod 3, the situation that the support 7 suddenly drops due to the fact that the diameter of the original preformed hole 7.3 on the support 7 and the diameter of the hole 2 on the rectangular frame 1.1 is too large and the auxiliary frame 1 is partially stressed is increased is avoided, the gaskets 5 are machined by small steel plates, and holes are drilled in the center of the steel plates according to the diameter of the screw rod 3.
The method comprises the following specific operation steps:
1. determining the installation size and weight of the support 7, selecting the material of the corresponding auxiliary frame 1, and cutting angle steel;
2. selecting a proper position on the auxiliary frame 1 to drill according to the distance and the position of the preformed holes 7.3 on the upper steel plate 7.1;
3. a welding auxiliary frame 1;
4. installation:
(1) hoisting the support 7 to the cushion stone 6 according to the position of the measuring placement point, and placing the embedded bolt 7.2 of the support 7 into the embedded hole of the cushion stone 6;
(2) determining the placement position of the auxiliary frame 1 on the cushion stone 6, and placing the auxiliary frame 1;
(3) placing a gasket 5 at the hole 2 of the auxiliary frame 1, enabling the screw rod 3 to sequentially penetrate through the gasket 5, the auxiliary frame 1 and the upper steel plate 7.1, installing the upper nut 4 on the screw rod 3, adjusting the positions of the upper four nuts 4 on the corresponding screw rods 3, and keeping the heights of the four screw rods 3 consistent;
(4) a gasket 5 and a nut 4 at the position of an upper steel plate 7.1 are sequentially arranged, and the screw rod is locked through the upper nut 4 and the lower nut 4;
5. construction: the height of the support 7 is adjusted up and down by measuring data through an instrument and rotating the nut 4 above, and the adjustment is carried out for several times as much as possible during adjustment, so that small-displacement adjustment is ensured to be carried out every time, and the lead screw 3 is prevented from being clamped;
6. if the centre position of the support 7 deviates after the adjustment is completed, the movement can be performed by knocking the support leg 1.2 below the auxiliary frame 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a prestressed concrete roof beam support installation quick leveling construction equipment which characterized in that: including setting up auxiliary frame (1) in the bed stone upper end, the outside at the support is established in auxiliary frame (1) cover, auxiliary frame (1) includes horizontally rectangular frame (1.1) and sets up landing leg (1.2) in rectangular frame (1.1) below, rectangular frame (1.1) is on a parallel with the last steel sheet of support, the periphery of going up the steel sheet evenly is provided with a plurality of preformed holes, the position that corresponds the preformed hole on rectangular frame (1.1) all is provided with hole (2), lead screw (3) all wear to be equipped with between relative preformed hole and the hole (2), nut (4) locking of lead screw (3) below through rectangular frame (1.1) top and last steel sheet.
2. The prestressed concrete beam support installation quick leveling construction device according to claim 1, characterized in that: each nut (4) is provided with a gasket (5), and the outer diameter of each gasket (5) is 2-4 times of the diameter of the screw rod (3).
3. The prestressed concrete beam support installation quick leveling construction device according to claim 1, characterized in that: an adjusting gap is reserved between the rectangular frame (1.1) and the upper steel plate, and the length of the screw rod (3) is larger than the maximum adjusting gap.
4. The prestressed concrete beam support installation quick leveling construction device according to claim 1, characterized in that: the support is arranged at the center of the bottom of the auxiliary frame (1), and the supporting legs (1.2) are arranged at the four corners of the rectangular frame (1.1).
5. The prestressed concrete beam support installation quick leveling construction device according to claim 1, characterized in that: the rectangular frame (1.1) comprises four end-to-end angle steels, and the four supporting legs (1.2) are angle steels with the same specification.
6. The prestressed concrete beam support installation quick leveling construction device according to claim 1, characterized in that: the number of the holes (2) on the rectangular frame (1.1) is four, and the holes are uniformly arranged at four corners of the rectangular frame (1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609210.2U CN215669042U (en) | 2021-07-15 | 2021-07-15 | Quick leveling construction device for mounting prestressed concrete beam support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609210.2U CN215669042U (en) | 2021-07-15 | 2021-07-15 | Quick leveling construction device for mounting prestressed concrete beam support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215669042U true CN215669042U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121609210.2U Active CN215669042U (en) | 2021-07-15 | 2021-07-15 | Quick leveling construction device for mounting prestressed concrete beam support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215669042U (en) |
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2021
- 2021-07-15 CN CN202121609210.2U patent/CN215669042U/en active Active
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