CN210529781U - Load box structure for improving structural strength of pile body after self-balancing detection of pile foundation - Google Patents
Load box structure for improving structural strength of pile body after self-balancing detection of pile foundation Download PDFInfo
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- CN210529781U CN210529781U CN201921248983.5U CN201921248983U CN210529781U CN 210529781 U CN210529781 U CN 210529781U CN 201921248983 U CN201921248983 U CN 201921248983U CN 210529781 U CN210529781 U CN 210529781U
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Abstract
The utility model discloses an improve pile foundation self-balancing detects load box structure of back pile body structural strength, including the loading unit subassembly, be fixed in the last displacement pole subassembly on loading unit subassembly upper portion and be fixed in the lower displacement pole subassembly of loading unit subassembly lower part, characterized by: the grouting device also comprises a telescopic rod component and a grouting component; the telescopic rod assembly is provided with a plurality of telescopic rods and fixed with the loading unit assembly, the telescopic direction of the telescopic rods is parallel to the loading direction of the loading unit assembly, the telescopic rod assembly comprises an inner rod and an outer sleeve, part of the inner rod is positioned in the outer sleeve, a slurry cavity is formed between the outer wall of the outer sleeve part of the inner rod and the inner wall of the outer sleeve, and a slurry inlet is formed in the outer sleeve; the grouting assembly is communicated with the grout inlet and can introduce grout into the grout cavity. The utility model discloses showing and promoting the horizontal force resistance and the tensile resistance of engineering stake after the self-balancing detects.
Description
Technical Field
The utility model relates to a load box structure, concretely relates to improve pile foundation self-balancing detects load box structure of back pile body structural strength.
Background
At present, with the popularization of the application of the static load detection technology of the self-balancing pile foundation, the convenience and the economy are increasingly outstanding. At the same time, new application requirements appear, and related technologies are needed to solve the problems. In the related technology, the engineering pile body after the balanced static load test is broken, and aiming at the problem of pile body strength recovery after detection, external grouting of a load box and loading cavity grouting of the load box are mainly added, so that the compressive strength is higher after the grout is solidified, and the compressive strength is improved. But the slurry has the characteristic of low tensile strength after solidification, and the piston and the cylinder barrel in the load box can still slide relatively, so that sufficient tensile strength and horizontal resistance can not be generated for the tested engineering pile, and the overall structural strength of the tested engineering pile is low.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides an improve pile foundation self-balancing detects back pile body structural strength's load box structure is showing and has promoted the anti horizontal force and the tensile resistance of drawing of engineering stake after the self-balancing detects.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an improve pile foundation self-balancing detects load box structure of back pile body structural strength, includes the loading unit subassembly, is fixed in the last displacement rod subassembly on loading unit subassembly upper portion and is fixed in the lower displacement rod subassembly of loading unit subassembly lower part, characterized by: the grouting device also comprises a telescopic rod component and a grouting component;
the telescopic rod assembly is provided with a plurality of telescopic rods and fixed with the loading unit assembly, the telescopic direction of the telescopic rods is parallel to the loading direction of the loading unit assembly, the telescopic rod assembly comprises an inner rod and an outer sleeve, part of the inner rod is positioned in the outer sleeve, a slurry cavity is formed between the outer wall of the outer sleeve part of the inner rod and the inner wall of the outer sleeve, and a slurry inlet is formed in the outer sleeve;
the grouting assembly is communicated with the grout inlet and can introduce grout into the grout cavity.
Preferably, the grouting assembly comprises an annular grouting channel and a grouting pipeline;
the telescopic rod assemblies are all connected with the annular grouting channel, and the grout inlet of each outer sleeve is positioned in the annular grouting channel;
one end of the grouting pipeline is communicated with the annular grouting channel, and the other end of the grouting pipeline is a grout inlet.
Preferably, the grouting pipe is a sheath in the lower displacement rod assembly.
Preferably, the inner wall of the outer sleeve and the outer wall of the inner rod positioned in the outer sleeve are both provided with groove structures.
Preferably, the loading unit assembly comprises a loading unit, an upper inner ring, a lower inner ring and an upper outer ring;
the loading units are arranged in a circumferential uniform arrangement manner;
the upper inner ring and the lower inner ring are positioned among the plurality of loading units and are arranged up and down, the upper inner ring is connected with the upper part of each loading unit through an upper connecting plate, and the lower inner ring is connected with the lower part of each loading unit through a lower connecting plate;
the upper outer ring is positioned at the periphery of the loading units and is simultaneously fixed with the upper parts of the loading units;
the annular grouting channel is positioned at the periphery of the loading units and is simultaneously fixed with the lower parts of the loading units.
The utility model has the advantages that: when the pile body is installed on site, the inner rod is connected with an upper reinforcement cage of an upper engineering pile, and the outer sleeve is connected with a lower reinforcement cage; after the self-balancing detects the completion, through slip casting subassembly toward intraductal slip casting of overcoat, let the upper and lower steel reinforcement cage structure of engineering stake realize in succession to let the engineering stake show and promote holistic structural strength, resume the structural strength that surpasses original engineering stake even.
Drawings
Fig. 1 is a schematic view of a structure of a load box provided in this embodiment;
FIG. 2 is a schematic view of the connection between the sheath and the slurry replenishing channel in the lower displacement rod assembly according to this embodiment;
FIG. 3 is a schematic view of the telescopic rod assembly provided in this embodiment;
FIG. 4 is a cross-sectional view of the load box structure provided in this embodiment;
fig. 5 is an enlarged view of a portion a in fig. 4.
Detailed Description
The structure of the loading box of the present invention will be further described with reference to fig. 1 to 5.
The utility model provides an improve pile foundation self-balancing detects load box structure of back pile body structural strength, includes loading unit subassembly 1, welded fastening in the upper displacement pole subassembly 2 and the lower displacement pole subassembly 3 of welded fastening in the 1 lower part of loading unit subassembly on loading unit subassembly 1 upper portion, characterized by: the grouting device also comprises a telescopic rod component 4 and a grouting component.
The loading unit assembly 1 comprises a loading unit 11, an upper inner ring 13, a lower inner ring 14 and an upper outer ring 12.
The loading units 11 are provided with five and are uniformly arranged in a circle, and the loading units 11 are in the prior art, so the specific structure of the loading units is not described in detail in this embodiment.
The upper inner ring 13 and the lower inner ring 14 are positioned among the plurality of loading units 11 and are arranged up and down, the upper inner ring 13 is connected with the upper part of each loading unit 11 through an upper connecting plate 15, namely, the upper part of each loading unit, the upper connecting plate and the upper inner ring 13 are welded, and the lower inner ring 14 is connected with the lower part of each loading unit 11 through a lower connecting plate 16, namely, the lower part of each loading unit, the lower connecting plate and the lower inner ring 14 are welded; the upper part and the lower part of the loading unit 11 are based on the opening plane, that is, the upper part and the lower part are mutually referenced, the upper part moves upwards relatively, and the lower part moves downwards relatively;
the upper outer ring 12 is positioned at the periphery of the loading units and is welded and fixed with the upper parts of the loading units 11;
the grouting assembly comprises an annular grouting channel 5 and a grouting pipeline; the annular grouting channel 5 is positioned at the periphery of the loading units and is welded and fixed with the lower parts of the loading units 11;
the telescopic rod assembly 4 is provided with a plurality of telescopic rod assemblies 4, each telescopic rod assembly 4 comprises an inner rod 41 and an outer sleeve 42, part of the inner rod 41 is positioned in the outer sleeve 42, a slurry cavity 43 is formed between the outer wall of the part of the outer sleeve 42 and the inner wall of the outer sleeve 42, and a slurry inlet is formed in the outer sleeve 42; the plurality of telescopic rod assemblies 4 are connected with the annular grouting channel 5, the telescopic directions of the telescopic rod assemblies 4 are arranged in parallel with the loading direction of the loading unit assembly 1, and the grout inlet of each outer sleeve 42 is positioned in the annular grouting channel 5; one end of the grouting pipeline is connected with the annular grouting channel 5, and the other end of the grouting pipeline is a grout inlet so as to perform grouting on each grout cavity 43.
When the engineering pile is installed on site, the inner rod 41 is welded with an upper reinforcement cage of the engineering pile and wound tightly by a steel wire, and the outer sleeve 42 is welded with a lower reinforcement cage and wound tightly by a steel wire; during self-balancing detection, grouting is performed on each loading unit 11 through a preset loading pipeline, so that the upper part and the lower part of each loading unit move relatively to drive the upper reinforcement cage and the lower reinforcement cage to move up and down, the engineering pile generates a fracture surface, and meanwhile, the inner rod 41 moves relatively in the outer sleeve 42; after the self-balancing detects the completion, slip casting in toward outer sleeve 42 through slip casting pipeline and annular slip casting passageway 5, the thick liquid solidification back in the thick liquid chamber 43 in the telescopic link subassembly 4, interior pole 41 realizes fixedly with outer sleeve 42, let the upper and lower steel reinforcement cage structure of engineering stake realize in succession, the promotion that is showing is gone up the tensile strength of pulling out and the horizontal resistance between steel reinforcement cage and the lower steel reinforcement cage, is showing and promotes its holistic structural strength, resume the structural strength that surpasss original engineering stake even.
When the number of the telescopic rod assemblies 4 is arranged, the number of the telescopic rod assemblies 4 is the same as the number of the main bars of the reinforcement cage, so that the upper reinforcement cage and the lower reinforcement cage can reach stable connection strength through the telescopic rod assemblies 4.
When the slurry-slurry.
As an embodiment of the present embodiment: the grouting pipe is a sheath 31 in the lower displacement rod assembly 3, namely, the lower end of the sheath 31 in the lower displacement rod assembly 3 enters the annular grouting channel 5 and is welded with the annular grouting channel 5, and meanwhile, a grouting opening 311 is formed in the side wall of the lower end of the sheath 31, and the upper end of the sheath extends to the ground or is connected to the ground through a connecting pipe. The grouting structure can be simplified through the arrangement, the operation is convenient, the arrangement of corresponding pipelines is saved, and the cost is saved.
As another embodiment of the present embodiment: the grouting pipeline is a pipe body for engineering, one end of the pipe body is in butt joint with an interface on the annular grouting channel 5 through a joint, the other end of the pipe body is a free end, the free end is arranged on the ground during installation, and during grouting, grout sequentially passes through the pipe body and the annular grouting channel and finally enters the grout cavity.
The embodiment is further configured as follows: the inner wall of the outer sleeve 42 and the outer wall of the inner rod 41 inside the outer sleeve 42 are both provided with groove structures 411 and 421, and the groove structures are thread grooves. In this arrangement, when the slurry in the slurry chamber 43 is solidified, the screw grooves 411 and 421 can improve the bonding strength between the inner rod 41 and the outer sleeve 42, and further improve the pull-out resistance.
The embodiment is further configured as follows: the annular grouting channel 5 comprises a lower outer ring 51 and a slurry supplementing channel 52 which is annular and is opened at the inner side, the lower outer ring 51 is welded and fixed on the inner side opening of the slurry supplementing channel 52, and the inner wall of the lower outer ring 51 is welded on the loading unit assembly 1.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides an improve pile foundation self-balancing detects load box structure of back pile body structural strength, includes the loading unit subassembly, is fixed in the last displacement rod subassembly on loading unit subassembly upper portion and is fixed in the lower displacement rod subassembly of loading unit subassembly lower part, characterized by: the grouting device also comprises a telescopic rod component and a grouting component;
the telescopic rod assembly is provided with a plurality of telescopic rods and fixed with the loading unit assembly, the telescopic direction of the telescopic rods is parallel to the loading direction of the loading unit assembly, the telescopic rod assembly comprises an inner rod and an outer sleeve, part of the inner rod is positioned in the outer sleeve, a slurry cavity is formed between the outer wall of the outer sleeve part of the inner rod and the inner wall of the outer sleeve, and a slurry inlet is formed in the outer sleeve;
the grouting assembly is communicated with the grout inlet and can introduce grout into the grout cavity.
2. The load box structure for improving the structural strength of the pile body after self-balancing detection of the pile foundation as claimed in claim 1, wherein: the grouting assembly comprises an annular grouting channel and a grouting pipeline;
the telescopic rod assemblies are all connected with the annular grouting channel, and the grout inlet of each outer sleeve is positioned in the annular grouting channel;
one end of the grouting pipeline is communicated with the annular grouting channel, and the other end of the grouting pipeline is a grout inlet.
3. The load box structure for improving the structural strength of the pile body after self-balancing detection of the pile foundation as claimed in claim 2, wherein: the grouting pipeline is a sheath in the lower displacement rod assembly.
4. The load box structure for improving the structural strength of the pile body after self-balancing detection of the pile foundation as claimed in claim 1, wherein: the inner wall of the outer sleeve and the outer wall of the inner rod positioned in the outer sleeve are both provided with groove structures.
5. The load box structure for improving the structural strength of the pile body after self-balancing detection of the pile foundation as claimed in claim 2, wherein: the loading unit assembly comprises a loading unit, an upper inner ring, a lower inner ring and an upper outer ring;
the loading units are arranged in a circumferential uniform arrangement manner;
the upper inner ring and the lower inner ring are positioned among the plurality of loading units and are arranged up and down, the upper inner ring is connected with the upper part of each loading unit through an upper connecting plate, and the lower inner ring is connected with the lower part of each loading unit through a lower connecting plate;
the upper outer ring is positioned at the periphery of the loading units and is simultaneously fixed with the upper parts of the loading units;
the annular grouting channel is positioned at the periphery of the loading units and is simultaneously fixed with the lower parts of the loading units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248983.5U CN210529781U (en) | 2019-08-04 | 2019-08-04 | Load box structure for improving structural strength of pile body after self-balancing detection of pile foundation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921248983.5U CN210529781U (en) | 2019-08-04 | 2019-08-04 | Load box structure for improving structural strength of pile body after self-balancing detection of pile foundation |
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| CN210529781U true CN210529781U (en) | 2020-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284537A (en) * | 2019-08-04 | 2019-09-27 | 浙江欧感机械制造有限公司 | The load box structure of strength of pile body after raising pile foundation autobalanced detection |
-
2019
- 2019-08-04 CN CN201921248983.5U patent/CN210529781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284537A (en) * | 2019-08-04 | 2019-09-27 | 浙江欧感机械制造有限公司 | The load box structure of strength of pile body after raising pile foundation autobalanced detection |
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