CN215886013U - Multifunctional composite suspension type reference beam structure - Google Patents
Multifunctional composite suspension type reference beam structure Download PDFInfo
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- CN215886013U CN215886013U CN202122231035.4U CN202122231035U CN215886013U CN 215886013 U CN215886013 U CN 215886013U CN 202122231035 U CN202122231035 U CN 202122231035U CN 215886013 U CN215886013 U CN 215886013U
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Abstract
The utility model relates to a device for testing bearing capacity of a foundation pile, in particular to a multifunctional composite suspension type reference beam, and belongs to the technical field of civil engineering. A multifunctional composite suspended reference beam structure comprises a reference beam, a reference beam supporting rod and a reference beam support, wherein the reference beam support is arranged at the top of the reference beam supporting rod and comprises a support frame and a reference beam mounting frame; the supporting seat frame is of a frame structure, the top of the supporting seat frame is provided with a slideway for accommodating the reference beam mounting frame to slide, the length direction of the slideway is consistent with that of the reference beam, and the bottom of the slideway is fixedly arranged on the top of the reference beam supporting rod; the reference beam mounting frame is hoisted in the support frame through a roller structure with the upper part matched with the slide way, and the lower part of the reference beam mounting frame is provided with a through hole for accommodating the reference beam to be inserted. The utility model has the following advantages: 1. the overturning phenomenon of the reference beam is effectively avoided; 2. the material and labor cost are saved; 3. the displacement wire frame is connected with the reference beam in a hinged suspension mode, and the displacement wire frame has the tendency of automatic resetting.
Description
Technical Field
The utility model relates to a device for testing bearing capacity of a foundation pile, in particular to a multifunctional composite suspension type reference beam, and belongs to the technical field of civil engineering.
Background
With the continuous deepening of the reform and the opening of China, the economy is continuously and rapidly developed, the engineering construction level is continuously improved, high and large building engineering is continuously pulled out, and engineering piles of water, sloping fields, the bottom of a foundation pit, a narrow field, ultra-deep, ultra-large diameter, ultra-large tonnage and the like appear, so that the use of the traditional static load test method is greatly limited, the economic, convenient and advanced foundation pile self-balancing static load test technology is suitable for being carried, and the method is widely applied to the bearing capacity detection of civil engineering foundation piles of buildings, ports and docks, bridges, subways, airports and the like, and obtains good effect. The foundation pile self-balancing method static load test technology uses a reference beam and a working beam, wherein the reference beam is a reference device necessary for foundation pile bearing capacity detection and used for testing a relative change reference value of displacement under the bearing action of a single pile; meanwhile, the gravity center of the reference beam is arranged above the support, the reference beam cannot return to a normal state after being interfered and serves as a working beam for bearing the displacement wire to connect the weight, and when the displacement wire frame is interfered, the working beam is easy to roll.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provide a multifunctional composite suspended reference beam structure which can save materials and labor cost and can automatically reset a reference beam.
In order to achieve the purpose, the utility model adopts the following technical scheme: a multifunctional composite suspended reference beam structure comprises a reference beam, a reference beam supporting rod and a reference beam support, wherein the reference beam support is arranged at the top of the reference beam supporting rod and comprises a support frame and a reference beam mounting frame; the supporting seat frame is of a frame structure, the top of the supporting seat frame is provided with a slideway for accommodating the reference beam mounting frame to slide, the length direction of the slideway is consistent with that of the reference beam, and the bottom of the slideway is fixedly arranged on the top of the reference beam supporting rod; the reference beam mounting frame is hoisted in the support frame through a roller structure with the upper part matched with the slide way, and the lower part of the reference beam mounting frame is provided with a through hole for accommodating the reference beam to be inserted.
Preferably, the reference beam mounting frame comprises a roller structure and a hanger, the roller structure is a rolling bearing and is hinged with the hanger through a connecting piece, the through hole is formed in the hanger, the axial direction of the through hole is consistent with the axial direction of the reference beam, and the inner diameter of the through hole is larger than the outer diameter of the reference beam.
Preferably, the number of the rolling bearings is two, and the rolling bearings are arranged along the length direction of the slideway.
Furthermore, the device also comprises a displacement wire frame, and the top of the displacement wire frame is hinged with the reference beam through a connecting piece.
Preferably, the connecting piece includes hoist and mount portion, lifting hook and rings, and hoist and mount portion hoist and mount on the benchmark roof beam, and the lifting hook is installed to its bottom, and rings are installed at displacement silk frame top, lifting hook and rings adaptation.
Preferably, the two ends of the hoisting part are opened, the inner diameter of the hoisting part is larger than the outer diameter of the reference beam, one side of the hoisting part is provided with a threaded hole, and the hoisting part and the reference beam are limited through a bolt matched with the threaded hole.
The working principle is as follows: the reference beam mounting frame is used as a supporting point for hanging the reference beam and is higher than the gravity line of the reference beam, meanwhile, the reference beam mounting frame is hung with the support frame in a sliding mode, when the reference beam is interfered, the reference beam mounting frame slides on the support frame, and when the interference disappears, the reference beam automatically resets under the action of gravity; the lifting hook and the lifting ring are used as supporting points of the reference beam for hanging the displacement wire frame and are higher than the gravity center line of the displacement wire weight assembly, meanwhile, the displacement wire frame is hinged with the reference beam, when the displacement wire frame is interfered, the displacement wire frame swings in an annular mode by taking the lifting hook as an axis, and after the interference disappears, the displacement wire frame automatically resets under the action of gravity.
Compared with the prior art, the utility model has the following advantages:
1. the base beam support is hinged instead of rigidly connected, and the base beam can automatically reset under the action of gravity, so that the overturning phenomenon of the base beam is effectively avoided;
2. the reference beam for detection and the working beam for bearing the displacement wire frame can be combined into a whole, so that the material cost and the labor cost are saved;
3. the displacement wire frame is connected with the reference beam in a hinged suspension mode, the center of gravity is lower than the fulcrum, and the displacement wire frame tends to reset automatically.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an isometric view of a reference beam support in an embodiment of the utility model;
FIG. 3 is a schematic illustration of a datum beam support structure in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a reference beam support in an embodiment of the present invention;
FIG. 5 is a side view of a reference beam support in an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of the hinge structure of the displacement frame in an embodiment of the present invention;
FIG. 7 is a schematic diagram of an embodiment of the present invention;
in the figure, 1, a reference beam; 2. a reference beam hook; 3. a displacement wire frame; 4. a weight; 5. a pulley; 6. a pedestal frame; 7. displacing the wire; 8. a displacement wire sensor; 9. a ground surface; 10. a reference beam support bar; 11. a hoisting ring; 12. hoisting a rail; 13. a rolling bearing; 14. a hanger frame.
Detailed Description
It should be noted that, in the present embodiment, the terms "upper", "lower", "left", "right", "top", "bottom", and the like are all described according to the drawings, and those skilled in the art should understand that the technical solutions of the present embodiment are consistent.
The utility model is described in further detail below with reference to the accompanying figures 1-7: a multifunctional composite suspended reference beam structure comprises a reference beam 1, a reference beam support rod 10, a reference beam support and a displacement wire frame hinged structure; in the embodiment, the cross section of the reference beam 1 is rectangular, the number of the reference beam support rods 10 is two, the reference beam support rods are respectively arranged at appropriate positions at equal distances on two sides of the pile, the bottom of the reference beam support rods is fixedly arranged on the ground 9, the reference beam support is fixedly arranged at the top of the reference beam support rods 10, the reference beam 1 is hung on the reference beam support, and when the reference beam 1 is interfered by the outside, the phenomenon of side tilting cannot occur; and the displacement wire frame hinged structure is connected with the reference beam 1 in a hinged and suspended manner.
As shown in fig. 2-5, the reference beam support includes a pedestal frame 6, a reference beam mounting frame; the supporting seat frame 6 is of a frame structure and comprises a bottom plate, an upright post, a hanging rail 12 and a fixing piece, wherein the bottom plate is of a rectangular structure, the bottom surface of the bottom plate is fixed with the top of the reference beam supporting rod 10, and the axis of the reference beam supporting rod 10 is in a straight line with the center of the bottom plate; the number of the stand columns is four, the stand columns are respectively positioned on four corners of the bottom plate, the tops of two adjacent stand columns are fixedly connected through a transverse plate, in the embodiment, the tops of the two stand columns at the short edges of the bottom plate are fixedly connected through the transverse plate, so that a supporting frame of the hanger rail 12 is formed, the hanger rail 12 is fixed at the tops of the stand columns through fixing pieces, the cross section of the hanger rail is of a hollow rectangular structure, a sliding groove is formed in the bottom surface of the hanger rail, which is close to the stand columns, the length direction of the sliding groove is consistent with the length direction of the reference beam, and a sliding way/sliding rail for sliding and hoisting of the reference beam mounting frame is formed; the reference beam mounting frame comprises two rolling bearings 13 and two hanging frames 14, the two rolling bearings 13 are distributed along the length direction of the hanging rail in the left-right direction and hinged with the hanging frames 14 through connecting pieces, the hanging frames 14 are of hollow rectangular structures, the outer diameters of the two rolling bearings are smaller than the inner diameter of the supporting frame 6, the inner diameter of the two rolling bearings is larger than the outer diameter of the reference beam 1, the two rolling bearings are hung in the supporting frame 6 through the rolling bearings 13, when the reference beam 1 is interfered, the reference beam mounting frame slides on the supporting frame 6, and when the interference disappears, the reference beam 1 automatically resets under the action of gravity.
As shown in fig. 1 and 6, the displacement wire frame hinge structure comprises a displacement wire frame 3, a weight 4, a pulley 5, a displacement wire 7, a displacement wire sensor 8, a lifting ring 11 and a connecting piece, wherein one end of the displacement wire 7 is fixed with an upper plate or a lower plate of the load box, the other end of the displacement wire 7 passes through the pulley 5 arranged on the displacement wire frame 3 to be connected with the weight 4, the other end of the weight 4 is provided with the displacement wire sensor 8, the displacement wire sensor 8 is used for monitoring the moving distance of the displacement wire 7 relative to the ground, and the lifting ring 11 is arranged at the top of the displacement wire frame 3 and is positioned on the axis of the displacement wire frame 3; in the embodiment, two weights 4, two pulleys 5, two displacement wires 7 and two displacement wire sensors 8 are respectively arranged on the left side and the right side of the displacement wire frame 3; the displacement screw frame 3 is hinged with the reference beam 1 through a connecting piece, the connecting piece comprises a hoisting part and a reference beam hook 2, the hoisting part is hoisted on the reference beam 1, the reference beam hook 2 is installed at the bottom of the hoisting part, the reference beam hook 2 is matched with the hoisting ring 11, the section of the hoisting part is of a rectangular structure with a hollow interior, the inner diameter of the rectangular structure is larger than the outer diameter of the reference beam 1, a threaded hole is formed in one side of the rectangular structure, the hoisting part and the reference beam 1 are limited through a bolt matched with the threaded hole, and hinged suspension connection of the displacement screw frame 3 and the reference beam 1 is achieved; when the displacement wire frame hinged structure is interfered, the displacement wire frame hinged structure swings in a ring shape by taking the lifting hook as an axis, and when the interference disappears, the displacement wire frame hinged structure automatically resets under the action of gravity.
This benchmark roof beam structure installation flow:
1. installing reference beam support rods 10 at appropriate positions at equal distances on two sides of the pile, and installing reference beam supports on top plates of the reference beam support rods 10;
2. sleeving a connecting piece hinged with a displacement wire frame on a reference beam 1, and simultaneously respectively inserting two ends of the reference beam 1 into a reference beam support to realize the hoisting of the reference beam 1 and the reference beam support;
3. installing a displacement wire frame 3, and enabling a displacement wire 7 connected with a load box to pass through a pulley 5;
4. connecting a weight 4 to the other end of the displacement wire 7;
5. and a displacement wire sensor 8 is arranged on the displacement wire frame 3 and used for monitoring the moving distance of the displacement wire 7 relative to the ground.
As shown in fig. 7, in the using process, when the reference beam is interfered by external force, the reference beam mounting frame slides on the supporting frame 6, and when the interference disappears, the reference beam automatically resets under the action of gravity; when the hinged structure of the displacement wire frame is interfered by external force to incline, the displacement wire frame 3 is hinged with the reference beam 1, the displacement wire frame cannot drive the reference beam 1 and the displacement wire frame 3 to incline synchronously, so that the stability of the reference beam is ensured, and after the interference disappears, the displacement wire frame 3 automatically resets under the action of gravity.
The working principle is as follows: the reference beam 1 for detection and the working beam of the bearing displacement wire frame hinged structure are combined into a whole, and the two parts are changed into a whole. The reference beam support is used as a supporting point for hanging the reference beam and is higher than the gravity line of the reference beam, so that the reference beam can be automatically reset under the action of gravity; the reference beam hook 2 and the hanging ring 11 are used as supporting points for hanging displacement wire weights and the like on the reference beam and are higher than the gravity center line of the displacement wire weight assembly, so that the structure for hanging the displacement wire weight assembly can automatically reset under the action of gravity.
The above examples are merely preferred embodiments of the present invention and are not to be construed as limiting the utility model. The reference beam support and the displacement wire frame hinged structure can be used together with the reference beam, and can also be separately used in a foundation pile self-balancing static load test; the reference beam 1 and the reference beam support bar 10 are not limited to the structures in the above embodiments, and other structures may be adopted, for example: in order to overcome the self gravity of the reference beam 1 and the gravity of the hinge support structure of the displacement wire frame, reference beams with different structures are adopted. Any extensions, variations, equivalents, etc. of those skilled in the art without departing from the principles of this application are intended to be included within the scope of this invention.
Claims (6)
1. The utility model provides a multi-functional compound suspension type benchmark roof beam structure, includes benchmark roof beam, benchmark roof beam bracing piece, its characterized in that: the device also comprises a reference beam support which is arranged at the top of the reference beam supporting rod and comprises a support frame and a reference beam mounting frame; the supporting seat frame is of a frame structure, the top of the supporting seat frame is provided with a slideway for accommodating the reference beam mounting frame to slide, the length direction of the slideway is consistent with that of the reference beam, and the bottom of the slideway is fixedly arranged on the top of the reference beam supporting rod; the reference beam mounting frame is hoisted in the support frame through a roller structure with the upper part matched with the slide way, and the lower part of the reference beam mounting frame is provided with a through hole for accommodating the reference beam to be inserted.
2. The multifunctional composite suspended datum beam structure of claim 1, wherein: the reference beam mounting frame comprises a roller structure and a hanging bracket, the roller structure is a rolling bearing and is hinged with the hanging bracket through a connecting piece, the through hole is formed in the hanging bracket, the axial direction of the through hole is consistent with the axial direction of the reference beam, and the inner diameter of the through hole is larger than the outer diameter of the reference beam.
3. The multifunctional composite suspended datum beam structure of claim 2, wherein: the quantity of antifriction bearing is two, sets up along the length direction of slide.
4. The multifunctional composite suspended datum beam structure of claim 1, wherein: the top of the displacement wire frame is hinged with the reference beam through a connecting piece.
5. The multifunctional composite suspended datum beam structure of claim 4, wherein: the connecting piece includes hoist and mount portion, lifting hook and rings, and hoist and mount portion hoist and mount are on the benchmark roof beam, and its bottom installation lifting hook, rings are installed at displacement silk frame top, lifting hook and rings adaptation.
6. The multifunctional composite suspended datum beam structure of claim 5, wherein: the hoisting part is provided with openings at two ends, the inner diameter of the hoisting part is larger than the outer diameter of the reference beam, one side of the hoisting part is provided with a threaded hole, and the hoisting part and the reference beam are limited by a bolt matched with the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231035.4U CN215886013U (en) | 2021-09-15 | 2021-09-15 | Multifunctional composite suspension type reference beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231035.4U CN215886013U (en) | 2021-09-15 | 2021-09-15 | Multifunctional composite suspension type reference beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215886013U true CN215886013U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122231035.4U Active CN215886013U (en) | 2021-09-15 | 2021-09-15 | Multifunctional composite suspension type reference beam structure |
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| CN (1) | CN215886013U (en) |
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2021
- 2021-09-15 CN CN202122231035.4U patent/CN215886013U/en active Active
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