CN219840080U - Assembled device for quickly positioning center of high-pressure jet grouting pile among piles - Google Patents
Assembled device for quickly positioning center of high-pressure jet grouting pile among piles Download PDFInfo
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- CN219840080U CN219840080U CN202320503494.XU CN202320503494U CN219840080U CN 219840080 U CN219840080 U CN 219840080U CN 202320503494 U CN202320503494 U CN 202320503494U CN 219840080 U CN219840080 U CN 219840080U
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- jet grouting
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- piles
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- 238000005259 measurement Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 description 32
- 238000000034 method Methods 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007596 consolidation process Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The utility model discloses an assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles, which comprises: the sliding rail group comprises a bottom plate, a pulley block arranged on the bottom plate and a sliding groove which is arranged on the bottom plate and forms sliding fit with the bottom plate through the pulley block; the positioning arms are provided with two positioning arms which are respectively in rotary connection with the two ends of the sliding rail group; the first support leg member group is used for fixing the connecting position between the sliding rail group and the positioning arm and comprises a first support leg sleeve and a first gasket group for clamping the sliding rail group and the positioning arm; the second support leg member group is used for fixing the crossed positioning groove position between the two positioning arms and comprises a second support leg sleeve and a second gasket group for clamping between the two positioning arms; the assembled device for rapidly positioning the center of the high-pressure jet grouting pile among piles improves, checks and corrects accumulated errors in the traditional measurement positioning mode, and can better solve the ubiquitous safety and quality common problems.
Description
Technical Field
The utility model relates to an assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles.
Background
In the engineering construction industry, after foundation and foundation construction stage, water seepage in a pit is a ubiquitous quality common problem, when the foundation pit support construction of 'supporting piles and high-pressure jet grouting piles between piles' is carried out at present, the center positioning of the jet grouting piles between piles generally adopts a conventional engineering measurement principle, a measurement control network is firstly arranged in the field, namely pile center coordinate measurement lofting is carried out by utilizing a total station according to the measurement control piles, according to the method, the supporting piles and the high-pressure jet grouting piles between piles all adopt the same measurement control point, and the measurement lofting is mutually independent. However, in the actual construction process, pile position errors of the support piles are unavoidable, the same control points are adopted for measuring positioning lofting respectively, construction deviation of the support piles can form error accumulation in the positioning process of the jet grouting piles among the piles, and deviation is caused between the support piles and the pile jet grouting pile occlusal surfaces and the design drawing requirements. The problem of drill sticking and drill bit damage during hole guiding construction can be caused by the increase of the occlusal surface caused by error accumulation in the traditional positioning method, and the construction quality and progress are not good; the occlusion surface caused by error accumulation caused by the traditional positioning method is reduced, so that the occlusion between piles is not tight, the construction quality is seriously influenced, the problems of pit side water seepage and the like are caused, and the safety and the stability of a foundation pit and the surrounding environment are extremely adversely affected.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles, which is capable of better solving the common problems of safety and quality common problems by improving, checking and correcting accumulated errors in the traditional measurement positioning mode.
The technical scheme adopted for solving the technical problems is as follows:
an assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles, which comprises:
the sliding rail group comprises a bottom plate, a pulley block arranged on the bottom plate and a sliding groove which is arranged on the bottom plate and forms sliding fit with the bottom plate through the pulley block;
the two positioning arms are respectively connected with the two ends of the sliding rail set in a rotating way, and positioning grooves are formed in the arm body;
the first support leg member group is used for fixing the connecting position between the sliding rail group and the positioning arm and comprises a first support leg sleeve and a first gasket group for clamping the sliding rail group and the positioning arm;
the second support leg member group is used for fixing the crossed positioning groove position between the two positioning arms and comprises a second support leg sleeve and a second gasket group for clamping between the two positioning arms.
Preferably, a reserved groove is arranged on the bottom plate, and a digital display level meter is arranged in the reserved groove.
Preferably, positioning locks for preventing the sliding groove from falling off are further arranged at the two ends of the bottom plate.
Preferably, the pulley block is composed of more than one left pulley which is in sliding fit with the left side of the sliding chute and more than one right pulley which is in sliding fit with the right side of the sliding chute.
Preferably, the positioning arm is a bar-shaped support arm, and the positioning groove is a bar-shaped groove body.
Preferably, the first gasket set comprises a first gasket which is padded on the first support leg sleeve, a first connecting screw rod screwed into the first support leg sleeve, and a first fixing nut which is in threaded fit with the first connecting screw rod, wherein a gap for accommodating the sliding rail set and the positioning arm is formed between the first gasket and the first fixing nut.
Preferably, the second gasket set includes a second fixing nut in threaded engagement with the second leg sleeve, a second gasket disposed on the second fixing nut, a third fixing nut in threaded engagement with the second leg sleeve, and a positioning rod inserted into the second leg sleeve, wherein a gap between the third fixing nut and the second gasket is provided with two positioning arms.
Preferably, the first leg sleeve is internally provided with a hexagon nut, and the second leg sleeve is hollow.
Preferably, the chute and the positioning arm are provided with reserved connecting holes matched with the first support leg component group.
The positioning device is simple and convenient to assemble, is wholly stable and has reliable precision; the built-in axle center sliding rail can be fixed in a telescopic way, and the maximum distance measurement is 1.5m; the positioning arm can be randomly adjusted around the orifice at the end part of the sliding rail, the rotation angle is 0-50 degrees, and the positioning arm can be slidably adjusted in a plane when the device is assembled, so that the positioning arm can adapt to the central positioning of different pile distances and pile diameters; the device is adopted to locate and loft the center of the rotary jet grouting pile among piles, the pile center position of the adjacent support pile after construction is used as a control point for measuring and locating, one pile is controlled, the rotary jet grouting pile among piles is ensured to be accurately located according to the design distance, the accumulation of deviation errors of the construction of the support pile is eliminated, and the adverse effect of drilling and clamping caused by the deviation of the construction of the support pile is reduced; the sufficient rotary spraying consolidation body among the piles after construction is ensured, and the supporting piles are tightly meshed with the rotary spraying piles among the piles; the positioning device has the advantages that the operation key points are simple and easy to operate, the technical requirements on operators are low, and the operators can flexibly allocate the operators to finish the work in the construction process, so that the key process of center positioning is not limited by labor resources; and the positioning and lofting of one pile position is completed for about 2 minutes, so that labor cost and construction period can be saved and construction cost can be reduced compared with a conventional measurement positioning method.
The beneficial effects of the utility model are as follows:
the construction process for positioning the center of the rotary jet grouting piles among piles is improved, the device is used for taking the plane position of the pile center of each adjacent support pile after construction as a control point for positioning the center of the rotary jet grouting pile, so that one pile can be controlled, the rotary jet grouting piles among piles can be accurately positioned according to the design distance, the accumulation of construction deviation errors of the support piles is eliminated, and the adverse influence of drilling and blocking caused by the construction deviation of the support piles is reduced; the method ensures that the consolidation of the jet grouting piles among the piles is sufficient after construction, and the supporting piles are tightly meshed with the jet grouting piles among the piles, so that the problems of water seepage of the supporting piles and the like are prevented.
Drawings
FIG. 1 is a schematic diagram of an assembled structure of an inter-pile high pressure jet grouting pile center quick positioning assembly device according to the utility model;
FIG. 2 is a schematic construction view of an assembled device for rapidly positioning the center of a high-pressure jet grouting pile among piles;
FIG. 3 is a schematic view of the structure of a slide rail set of an assembly type device for rapidly positioning the center of a high-pressure jet grouting pile among piles;
FIG. 4 is a schematic view of the positioning arm structure of the assembled device for rapidly positioning the center of the high-pressure jet grouting pile among piles;
FIG. 5 is a schematic view of a first leg member set of the fast center-positioning assembly apparatus of the present utility model for a high pressure jet grouting pile;
FIG. 6 is a schematic view of a partial construction of a first leg member set of the assembled device for rapid positioning of the center of a high pressure jet grouting pile in accordance with the present utility model;
FIG. 7 is a schematic view of a partial structure of a second leg member set of the fast center-positioning assembly apparatus of the present utility model for a high pressure jet grouting pile.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. 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.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Examples
As shown in fig. 1 to 7, the assembled device for quickly positioning the center of a high-pressure jet grouting pile between piles comprises:
the sliding rail set 1 comprises a bottom plate 11, a pulley block 12 arranged on the bottom plate 11, and a sliding groove 13 arranged on the bottom plate 11 and in sliding fit with the bottom plate 11 through the pulley block 12;
the two positioning arms 2 are respectively connected with the two ends of the sliding rail set 1 in a rotating way, and positioning grooves 21 are formed in the arm body;
the first support leg member group 3 is used for fixing the connection position between the sliding rail group 1 and the positioning arm 2, and comprises a first support leg sleeve 31 and a first gasket group 32 for clamping the sliding rail group 1 and the positioning arm 2;
the second leg member group 4 is used for fixing the position of the crossed positioning groove 21 between the two positioning arms 2, and comprises a second leg sleeve 41 and a second gasket group 42 for clamping between the two positioning arms 2.
The bottom plate 11 is provided with a reserved groove 14, a digital display level meter 15 is arranged in the reserved groove 14, positioning locks 16 for preventing the sliding groove 13 from falling off are arranged at two ends of the bottom plate 11, the pulley block 12 is composed of more than one left pulley 121 which is in sliding fit with the left side of the sliding groove 13 and more than one right pulley 122 which is in sliding fit with the right side of the sliding groove 13, the positioning arm 2 is a strip-shaped supporting arm, and the positioning groove 21 is a strip-shaped groove body.
The first gasket set 32 includes a first gasket 321 that is padded on the first leg sleeve 31, a first connecting screw 322 screwed into the first leg sleeve 31, and a first fixing nut 323 that is in threaded fit with the first connecting screw 322, and a gap between the first gasket 321 and the first fixing nut 323 is capable of accommodating the sliding rail set 1 and the positioning arm 2.
The second gasket set 42 includes a second fixing nut 421 in threaded engagement with the second leg sleeve 41, a second gasket 422 on the second fixing nut 421, a third fixing nut 423 in threaded engagement with the second leg sleeve 41, and a positioning rod 424 inserted into the second leg sleeve 41, where a gap between the third fixing nut 423 and the second gasket 422 is provided with two positioning arms 2.
The first leg sleeve 31 is internally provided with a hexagon nut, the second leg sleeve 41 is hollow, the chute 13 and the positioning arm 2 are provided with reserved connecting holes matched with the first leg member group 3, and the first leg sleeve 31 and the second leg sleeve 41 can be manufactured by wood bars, steel bars and iron pieces.
When the sliding rail system is produced, the pulley is arranged in the surface of the bottom plate 11, the section of the sliding cover is a grooved strip steel material, the sliding cover is fixedly embedded with the bottom plate 11 through the pulley, the sliding rail system can be freely stretched and slid transversely and longitudinally, and the sliding rail system can be kept fixed by tightening the positioning lock 16; the digital display horizontal bubble can be horizontally placed in the reserved groove 14. The end parts of the slide rail system and the positioning arm 2 are provided with reserved connecting holes when in production and manufacture, and the first support leg connecting member groups are connected and fixed according to different angles; the two positioning arms 2 are sleeved into the hollow groove through a second supporting leg connecting member group so as to realize connection and fixation; the three end points or set nuts are adjusted so that the digital display horizontal bubble is centered and the entire device system is in a horizontal steady state.
The method for realizing the construction method by matching the parts comprises the following steps:
(1) And the center plane position of the adjacent support piles after construction is used as a control point for measuring and positioning the centers of the jet grouting piles among the piles, so that the influence of pile position deviation of the support piles caused by construction is eliminated.
(2) After the construction of the support pile is completed, pre-burying a vertical marking steel bar in the center of the pile, and checking by measurement, so that the plane position of the pre-buried marking steel bar is controlled within +/-2 mm, the verticality deviation is controlled within 1%, and the length of the exposed pile surface of the marking steel bar is not less than 300mm.
(3) After the construction of the support piles is completed, the positions of the parts of the positioning device and the connection relation of the parts are initially assembled and fixed, the hollow positioning sleeve is sleeved into the marking steel bars pre-embedded in the pile centers of the adjacent support piles, and the positioning lock 16 is screwed to fix the relative positions of the slide rail systems; and (3) adjusting the intersection point of the positioning arm 2 according to the geometric relationship between the support pile and the center point of the jet grouting pile on the design drawing, sleeving the hollow positioning sleeve, the fixing nut and the gasket, and screwing the fixing nut to ensure that the whole positioning device is kept stable on the working surface.
(4) And adjusting the fixing nuts at the three end points to center the digital display horizontal bubble.
(5) And inserting positioning steel bars into the hollow positioning sleeve at the intersection point of the two positioning arms 2, and finishing the positioning of the jet grouting pile core between piles by the depth of 100 mm.
The beneficial effects of the utility model are as follows:
the construction process for positioning the center of the rotary jet grouting piles among piles is improved, the device is used for taking the plane position of the pile center of each adjacent support pile after construction as a control point for positioning the center of the rotary jet grouting pile, so that one pile can be controlled, the rotary jet grouting piles among piles can be accurately positioned according to the design distance, the accumulation of construction deviation errors of the support piles is eliminated, and the adverse influence of drilling and blocking caused by the construction deviation of the support piles is reduced; the method ensures that the consolidation of the jet grouting piles among the piles is sufficient after construction, and the supporting piles are tightly meshed with the jet grouting piles among the piles, so that the problems of water seepage of the supporting piles and the like are prevented.
The above-mentioned embodiments of the present utility model are not intended to limit the scope of the present utility model, and the embodiments of the present utility model are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present utility model according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present utility model shall fall within the scope of the present utility model.
Claims (9)
1. Assembled device of stake high pressure jet grouting stake center quick positioning, its characterized in that including:
the sliding rail group comprises a bottom plate, a pulley block arranged on the bottom plate and a sliding groove which is arranged on the bottom plate and forms sliding fit with the bottom plate through the pulley block;
the two positioning arms are respectively connected with the two ends of the sliding rail set in a rotating way, and positioning grooves are formed in the arm body;
the first support leg member group is used for fixing the connecting position between the sliding rail group and the positioning arm and comprises a first support leg sleeve and a first gasket group for clamping the sliding rail group and the positioning arm;
the second support leg member group is used for fixing the crossed positioning groove position between the two positioning arms and comprises a second support leg sleeve and a second gasket group for clamping between the two positioning arms.
2. The assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles according to claim 1, wherein: the base plate is provided with a reserved groove, and a digital display level gauge is arranged in the reserved groove.
3. The assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles according to claim 1 or 2, wherein: the two ends of the bottom plate are also provided with positioning locks for preventing the sliding chute from falling out.
4. A rapid positioning assembly for the center of a high pressure jet grouting pile between piles according to claim 3, wherein: the pulley block consists of more than one left pulley which is in sliding fit with the left side of the sliding chute and more than one right pulley which is in sliding fit with the right side of the sliding chute.
5. The assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles according to claim 4, wherein: the positioning arm is a bar-shaped support arm, and the positioning groove is a bar-shaped groove body.
6. The assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles according to claim 1, wherein: the first gasket group comprises a first gasket which is padded on the first support leg sleeve, a first connecting screw rod which is screwed into the first support leg sleeve, and a first fixing nut which is in threaded fit with the first connecting screw rod, wherein a gap which can accommodate the sliding rail group and the positioning arm is reserved between the first gasket and the first fixing nut.
7. The assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles according to claim 6, wherein: the second gasket group comprises a second fixing nut in threaded fit with the second support leg sleeve, a second gasket arranged on the second fixing nut in a pad mode, a third fixing nut in threaded fit with the second support leg sleeve, and a positioning rod piece inserted into the second support leg sleeve, wherein a gap between two positioning arms is formed between the third fixing nut and the second gasket.
8. The assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles according to claim 7, wherein: the first support leg sleeve is internally provided with a hexagon nut, and the second support leg sleeve is hollow.
9. The assembled device for quickly positioning the center of a high-pressure jet grouting pile among piles according to claim 1, wherein: the chute and the positioning arm are provided with reserved connecting holes matched with the first support leg component group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503494.XU CN219840080U (en) | 2023-03-14 | 2023-03-14 | Assembled device for quickly positioning center of high-pressure jet grouting pile among piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503494.XU CN219840080U (en) | 2023-03-14 | 2023-03-14 | Assembled device for quickly positioning center of high-pressure jet grouting pile among piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840080U true CN219840080U (en) | 2023-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320503494.XU Active CN219840080U (en) | 2023-03-14 | 2023-03-14 | Assembled device for quickly positioning center of high-pressure jet grouting pile among piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840080U (en) |
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2023
- 2023-03-14 CN CN202320503494.XU patent/CN219840080U/en active Active
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