CN220565289U - Pile foundation fixing device for pile group model test - Google Patents
Pile foundation fixing device for pile group model test Download PDFInfo
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- CN220565289U CN220565289U CN202321618103.5U CN202321618103U CN220565289U CN 220565289 U CN220565289 U CN 220565289U CN 202321618103 U CN202321618103 U CN 202321618103U CN 220565289 U CN220565289 U CN 220565289U
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000000429 assembly Methods 0.000 claims description 24
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- 210000003781 tooth socket Anatomy 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of pile group simulation tests, in particular to a pile foundation fixing device for a pile group model test. The utility model provides a pile foundation fixing device for group pile model test, includes frame and multiunit fixing base subassembly, the multiunit fixing base subassembly all sets up in the frame, and follow the length direction interval distribution of frame, the fixing base subassembly pass through sliding component with frame sliding connection, the sliding component drive fixing base subassembly is followed the length direction of frame removes to be close to each other or keep away from, the fixing base subassembly is used for fixed pile foundation, be equipped with a plurality of flexible dead levers on the lateral wall of frame, flexible dead lever is used for fixing the frame. The pile foundation fixing device can randomly adjust the pile core distance and is suitable for various pile diameter conditions.
Description
Technical Field
The utility model relates to the technical field of pile group simulation tests, in particular to a pile foundation fixing device for a pile group model test.
Background
At present, the buildings in China are developed in high and multiple trends, and engineering geological conditions tend to be complex. In this case, the use of pile group foundations is increasing, and the deformation, load bearing and load transfer characteristics of pile group foundations are greatly different from those of single pile foundations due to pile group effects. Therefore, the research of the pile group foundation has great practical significance. However, the field test is time-consuming, labor-consuming and expensive, so that the pile group model test is more and more in recent years.
And (3) selecting materials according to actual conditions, selecting a reduced proportion, embedding the model piles into a model box by using the selected rock and soil materials, and carrying out pile foundation bearing and deformation tests by using pressurizing equipment and monitoring equipment. Unlike single pile model test, the pile group model test has difficulty in locating and adjusting pile core distance, and the process is very tedious, so that the test time and energy consumption are greatly increased.
Disclosure of Invention
The utility model aims to provide a pile foundation fixing device for a pile group model test, which can adjust the pile core distance and adapt to most pile diameters, and can meet 2*X (X=1, 2,3,4, 5) type distributed pile group model test, thereby saving test time and improving test reliability.
In order to achieve the above object, an embodiment of the present utility model provides a pile foundation fixing device for pile group model test, including a frame and a plurality of groups of fixing base assemblies, wherein the groups of fixing base assemblies are all disposed in the frame and are distributed at intervals along the length direction of the frame, the fixing base assemblies are slidably connected with the frame through sliding assemblies, the sliding assemblies drive the fixing base assemblies to move along the length direction of the frame so as to approach or separate from each other, the fixing base assemblies are used for fixing pile foundations, a plurality of telescopic fixing rods are disposed on the outer side wall of the frame, and the telescopic fixing rods are used for fixing the frame.
Further, every group the bottom of fixing base subassembly is equipped with one at least and follows the slide bar that frame width direction set up, fixing base subassembly with the slide bar can dismantle the connection, the both sides that the frame corresponds are equipped with can supply the bar groove that the slide bar tip stretches out, the slide subassembly includes rectangular structure's first dead lever and movable rod, the inside cavity of first dead lever, its one end is equipped with and is used for fixing the first solid fixed ring of slide bar, its other end is uncovered to set up, the one end of movable rod stretches into in the first dead lever, its other end is equipped with and is used for fixing the second solid fixed ring of slide bar, the movable rod can be followed the length direction of first solid fixed rod is removed to fix in its travel path's optional position through the locating part, first solid fixed ring is installed on the slide bar, the second solid fixed ring is installed on adjacent the slide bar, the side right angle department of frame is equipped with the fixed pin axle.
Further, the locating part is fixed rack, fixed rack installs the upper end of first dead lever, and its rack end sets up down, the movable rod includes fixed part and sliding part, the sliding part of movable rod stretches into in the first dead lever, the upper end of its fixed part be equipped with along its length direction set up and with the fixed tooth's socket of fixed rack looks adaptation, the movable rod can be followed the length direction of first dead lever removes, to the fixed rack imbeds arbitrary in the fixed tooth's socket, the second solid fixed ring is installed the tip of sliding rod.
Further, the distance between two adjacent fixed tooth grooves is 1mm.
Further, every group fixing base subassembly includes two at least fixing bases, two the fixing base is followed respectively the width direction interval distribution of frame, the fixing base is inside cavity and both ends open square structure, every the fixing base all with sliding component can dismantle the connection, be equipped with a plurality of holders in the fixing base, the holder is used for fixed pile foundation.
Further, the clamping pieces are provided with four clamping pieces and are respectively distributed on each side face of the fixing seat.
Further, the clamping piece comprises a screw rod and a first rubber disc, each side wall of the fixing seat is provided with a threaded through hole matched with the screw rod, the threaded section of the screw rod is installed in the corresponding threaded through hole in a threaded mode, and each end portion of the threaded section of the screw rod is coaxially provided with the first rubber disc.
Further, the bottom of fixing base be equipped with the first spout of slide bar looks adaptation, the outer wall bottom of fixing base opposite side all is equipped with the fixed block, the lower extreme of fixed block all be equipped with the second spout of slide bar looks adaptation, the slide bar is installed first spout with in the second spout, its both ends pass respectively corresponding the bar groove stretches out outside the frame.
Further, the telescopic fixed rod comprises a second fixed rod and a telescopic rod, the second fixed rod is hollow and is provided with an opening at one end, the telescopic rod is vertically arranged and fixedly connected with the side wall of the frame, the telescopic rod is coaxially arranged in the second fixed rod, the outer wall of the telescopic rod is provided with external threads arranged along the axial direction of the telescopic rod, the inner wall of the second fixed rod is provided with internal threads matched with the external threads of the telescopic rod, and one end of the telescopic rod, which is far away from the second fixed rod, is provided with a second rubber disc.
The beneficial effects of the utility model are as follows:
(1) The pile foundation fixing device for pile group model test can randomly adjust the pile core distance, is suitable for various pile diameter conditions, and can meet 2*X pile simulation test conditions;
(2) The pile foundation fixing device for the pile group model test is simple in material, low in cost and simple in installation, other tools are not needed, and the fixing of the track is the combined action of the track fixing device and the module, so that the device is simplified;
(3) The pile foundation fixing device for pile group model test can be used for multiple times after one-time adjustment, so that the test time is greatly saved, and the device can be taken out after the embedded pile foundation is stable.
Drawings
FIG. 1 is a schematic structural view of a pile foundation fixing device for pile group model test according to the present utility model;
FIG. 2 is a top view of a pile foundation fixture for pile group model test provided by the present utility model;
FIG. 3 is a schematic structural view of a fixing base according to the present utility model;
FIG. 4 is a schematic view of the structure of the fixing block according to the present utility model;
fig. 5 is a schematic structural view of a sliding assembly provided by the present utility model.
Detailed Description
In order to more clearly demonstrate the technical solution and advantages of the present utility model, embodiments thereof will be further described below with reference to the accompanying drawings.
It should be noted that: the terms front, rear, upper, lower and the like are all defined by the relative positional relationship of structural members in the drawings, but are not construed as limitations on the inventive technique, so that the specific meaning of these terms can be easily understood by those skilled in the relevant art in combination with the drawings and the context.
As shown in fig. 1-5, a pile foundation fixing device for pile group model test comprises a frame 10 and a plurality of groups of fixing seat assemblies, wherein the groups of fixing seat assemblies are arranged in the frame 10 and distributed at intervals along the length direction of the frame 10, the fixing seat assemblies are slidably connected with the frame 10 through sliding assemblies, the sliding assemblies drive the fixing seat assemblies to move along the length direction of the frame 10 so as to be close to or far away from each other, the fixing seat assemblies are used for fixing pile foundations, a plurality of telescopic fixing rods are arranged on the outer side wall of the frame 10, and the telescopic fixing rods are used for fixing the frame 10.
In the utility model, when the pile group model test is carried out, the frame 10 is fixed in the test box through the telescopic fixing rod, then the pile foundation is fixed in the fixing seat assembly, and then the experimental conditions are adjusted to carry out the experiment. In addition, through adjusting the slip subassembly, adjust the distance between a plurality of pile foundations according to the experiment demand to carry out pile group model test. As an embodiment of the present utility model, the fixing base assembly is provided with 3 groups, but in practical application, the number of fixing base assemblies can be increased as required.
In the above embodiment, at least one sliding rod 20 disposed along the width direction of the frame 10 is disposed at the bottom of each set of the fixed seat assembly, the fixed seat assemblies are detachably connected with the sliding rods 20, strip-shaped grooves 11 for extending out the ends of the sliding rods 20 are disposed on two corresponding sides of the frame 10, the sliding assemblies include a first fixing rod 30 and a movable rod 31 with rectangular structures, the first fixing rod 30 is hollow, one end of the first fixing rod 30 is provided with a first fixing ring 32 for fixing the sliding rods 20, the other end of the first fixing rod is open, one end of the movable rod 31 extends into the first fixing rod 30, the other end of the movable rod 31 is provided with a second fixing ring 33 for fixing the sliding rods 20, the movable rod 31 can move along the length direction of the first fixing rod 30 and is fixed at any position of the moving track thereof through a limiting piece, the first fixing ring 32 is mounted on the sliding rods 20, the second fixing ring 33 is mounted on the adjacent sliding rods 20, and a right-angle pin 12 is disposed at the side of the frame 10.
In the above embodiment, the two ends of the sliding rod 20 extend out of the frame 10 through the corresponding bar-shaped grooves 11, the fixing manner of the fixing base assemblies near two sides of the frame 10 is that after the first fixing ring 32 of one group of sliding assemblies is fixed on the fixing pin 12, the second fixing ring 33 of the sliding assembly is fixed on the sliding rod 20 of the corresponding fixing base assembly, and the fixing manner of the adjacent two groups of fixing base assemblies is that the first fixing ring 32 of one group of sliding assemblies is fixed on the sliding rod 20 of one group of fixing base assemblies, the second fixing ring 33 of the sliding assembly is fixed on the sliding rod 20 of the adjacent fixing base assembly, and when the pile core distance of the foundation piles in each group of fixing base assemblies is adjusted, the sliding rod 20 is driven to slide along the bar-shaped grooves 11 by pulling the movable rod 31, so as to realize the adjustment of the pile core distance between the foundation piles. The diameters of the first and second fixing rings 32 and 33 should be adapted to the diameters of the slide rod 20 and the fixing pin 12 to improve the coupling fixing effect of the slide rod 20 and the fixing pin 12. In order to facilitate stable adjustment of the position of the sliding rod 20, both ends of the sliding rod 20 are connected and fixed with the adjacent sliding rod 20 through sliding components. The fixed pin 12 has 4 sliding rods 20 at right angles to the opposite sides of the frame 10, and 2 sliding rods 20 are provided for improving the stability of the fixed seat assembly, and the sliding rods 20 near the fixed pin 12 have a shorter length than another sliding rod 20 fixed under the same fixed seat assembly for facilitating the installation of the sliding assembly. In order to facilitate the acquisition of the moving distance of the slide bar 20, graduation mark lines may be provided on the bottom wall of the bar-shaped groove 11. The sliding component has the advantages of low implementation cost, simple operation, good fixing effect and the like.
In the above embodiment, the limiting member is a fixed rack 34, the fixed rack 34 is mounted at the upper end of the first fixed rod 30, the rack end of the fixed rack 34 is disposed downward, the movable rod 31 includes a fixed portion and a sliding portion, the sliding portion of the movable rod 31 extends into the first fixed rod 30, the upper end of the fixed portion is provided with a fixed slot 35 disposed along the length direction of the fixed portion and adapted to the fixed rack 34, the movable rod 31 can move along the length direction of the first fixed rod 30 until the fixed rack 34 is embedded into any fixed slot 35, and the second fixed ring 33 is mounted at the end of the sliding rod 20.
In the utility model, the limiting structure of the fixed rack 34 and the fixed tooth slot 35 has the advantages of low implementation cost, convenient operation and the like.
In the above embodiment, the interval between the adjacent two of the fixed slots 35 is 1mm.
According to the pile foundation fixing device, pile core distance test with the accuracy of 1mm can be met, and test accuracy is improved.
In the above embodiment, each set of fixing base assembly includes at least two fixing bases 40, two fixing bases 40 are respectively distributed along the width direction of the frame 10 at intervals, the fixing bases 40 are square structures with hollow interiors and open two ends, each fixing base 40 is detachably connected with the sliding assembly, and a plurality of clamping pieces are arranged in the fixing bases 40 and are used for fixing pile foundations.
In the utility model, 4 clamping pieces are arranged on each side surface of the fixed seat 40, and in order to realize effective clamping and fixing of the pile foundation, 2 clamping pieces are positioned at the upper part of the corresponding side surface, and 2 clamping pieces are positioned at the lower part of the corresponding side surface, so as to realize clamping of different parts of the pile foundation. In practical application, the number of the clamping pieces can be increased as required. As a specific example of the size of the frame 10 according to the present utility model, the length of the frame 10 is greater than 6 times the side length of the fixing base 40, and the width is greater than 3 times the side length of the fixing base 40.
In the above embodiment, the bottom of the fixed seat 40 is provided with a first chute adapted to the sliding rod 20, the bottom of the outer wall of the opposite side of the fixed seat 40 is provided with a fixed block 41, the lower end of the fixed block 41 is provided with a second chute 42 adapted to the sliding rod 20, the sliding rod 20 is mounted in the first chute and the second chute 42, and two ends of the sliding rod extend out of the frame 10 through the corresponding bar grooves 11.
In the utility model, the sliding rod 20 is embedded in the first sliding groove and the second sliding groove 42, so that the installation is convenient and the fixing effect is good. The first sliding groove extends to the side edge of the bottom side of the fixed seat 40 to increase the area for installing and fixing the sliding rod 20, and the second sliding groove 42 realizes the secondary fixing of the sliding rod 20 to improve the fixing effect. Optimally, the number of the first sliding grooves is matched with that of the sliding rods 20, and the number of the fixed blocks 41 and the second sliding grooves 42 is 2 times that of the sliding rods 20, namely, the fixed blocks 41 and the second sliding grooves 42 are arranged on the opposite sides of the fixed seat 40 along the length direction of the sliding rods 20.
In the above embodiment, the clamping member includes a screw 43 and a first puck 44, each side wall of the fixing seat 40 is provided with a threaded through hole adapted to the screw 43, a threaded section of the screw 43 is screwed into the corresponding threaded through hole, and an end of the threaded section of each screw 43 is coaxially provided with the first puck 44.
In the present utility model, the screw 43 is rotated to adjust the distance between the first puck 44 and the axial center of the fixing base 40, thereby realizing the clamping of the pile foundation. The screw 43 is provided with color scales, and the pile foundation is ensured to be positioned in the center of the module and vertical through 4 screw tightening lengths. The clamping piece has the advantages of low implementation cost, convenience in operation, good fixing effect and the like.
In the above embodiment, the telescopic fixing rod includes a second fixing rod 50 and a telescopic rod 51, where the second fixing rod 50 is hollow and has an open end, and is vertically disposed and fixedly connected with the side wall of the frame 10, the telescopic rod 51 is coaxially disposed in the second fixing rod 50, an outer wall of the telescopic rod is provided with an external thread disposed along an axial direction of the telescopic rod, an inner wall of the second fixing rod 50 is provided with an internal thread adapted to the external thread of the telescopic rod 51, and an end of the telescopic rod 51, which is far away from the second fixing rod 50, is provided with a second rubber disc 52.
In the utility model, the threaded part of the telescopic rod 51 is provided with color scale marks, and the mold frame 10 is ensured to be positioned at the center of the mold box through respectively consistent 4 unscrewing lengths of the telescopic rod 51. The telescopic fixed rod has the advantages of convenience in operation, good fixing effect and the like.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (9)
1. A pile foundation fixing device for pile group model test, its characterized in that includes frame and multiunit fixing base subassembly, the multiunit fixing base subassembly all sets up in the frame, and follow the length direction interval distribution of frame, the fixing base subassembly pass through sliding component with frame sliding connection, the sliding component drive the fixing base subassembly is followed the length direction of frame removes to be close to each other or keep away from, the fixing base subassembly is used for fixed pile foundation, be equipped with a plurality of flexible dead levers on the lateral wall of frame, flexible dead lever is used for fixing the frame.
2. The pile foundation fixing device for pile group model test according to claim 1, wherein the bottom of each group of fixing base components is at least provided with a sliding rod arranged along the width direction of the frame, the fixing base components are detachably connected with the sliding rods, two corresponding sides of the frame are provided with strip-shaped grooves for the end parts of the sliding rods to extend out, the sliding components comprise first fixing rods and movable rods of rectangular structures, the first fixing rods are hollow, one ends of the first fixing rods are provided with first fixing rings for fixing the sliding rods, the other ends of the first fixing rods are open, one ends of the movable rods extend into the first fixing rods, the other ends of the movable rods are provided with second fixing rings for fixing the sliding rods, the movable rods can move along the length direction of the first fixing rods and are fixed at any positions of the moving track of the movable rods through limiting pieces, the first fixing rings are installed on the sliding rods, the second fixing rings are installed on the adjacent sliding rods, and fixing pins are arranged at right angles on the side edges of the frame.
3. The pile foundation fixing device for pile group model test according to claim 2, wherein the limiting piece is a fixed rack, the fixed rack is installed at the upper end of the first fixed rod, the rack end of the fixed rack is downward, the movable rod comprises a fixed part and a sliding part, the sliding part of the movable rod stretches into the first fixed rod, the upper end of the fixed part of the movable rod is provided with a fixed tooth slot which is arranged along the length direction of the movable rod and is matched with the fixed rack, the movable rod can move along the length direction of the first fixed rod until the fixed rack is embedded into any fixed tooth slot, and the second fixed ring is installed at the end part of the sliding rod.
4. A pile foundation fixing device for pile group model test according to claim 3, wherein the distance between two adjacent fixing tooth sockets is 1mm.
5. The pile foundation fixing device for pile group model test according to claim 2, wherein each group of the fixing base assemblies comprises at least two fixing bases, the two fixing bases are distributed at intervals along the width direction of the frame, each fixing base is of a square structure with a hollow inside and two open ends, each fixing base is detachably connected with the sliding assembly, and a plurality of clamping pieces are arranged in each fixing base and used for fixing a pile foundation.
6. The pile foundation fixing device for pile group model test of claim 5, wherein the clamping pieces are four and are respectively distributed on each side face of the fixing base.
7. The pile foundation fixing device for pile group model test according to claim 5, wherein the clamping piece comprises a screw rod and a first rubber disc, each side wall of the fixing seat is provided with a threaded through hole matched with the screw rod, the threaded section of the screw rod is installed in the corresponding threaded through hole in a threaded mode, and the end portion of the threaded section of each screw rod is coaxially provided with the first rubber disc.
8. The pile foundation fixing device for pile group model test according to claim 5, wherein the bottom of the fixing base is provided with a first chute matched with the sliding rod, the bottoms of the outer walls of the opposite sides of the fixing base are respectively provided with a fixing block, the lower ends of the fixing blocks are respectively provided with a second chute matched with the sliding rod, the sliding rod is installed in the first chute and the second chute, and the two ends of the sliding rod respectively penetrate through the corresponding strip-shaped grooves to extend out of the frame.
9. The pile foundation fixing device for pile group model test according to claim 1, wherein the telescopic fixing rod comprises a second fixing rod and a telescopic rod, the second fixing rod is hollow and is provided with an opening at one end, the telescopic rod is vertically arranged and fixedly connected with the side wall of the frame, the telescopic rod is coaxially arranged in the second fixing rod, the outer wall of the telescopic rod is provided with external threads axially arranged along the telescopic rod, the inner wall of the second fixing rod is provided with internal threads matched with the external threads of the telescopic rod, and one end of the telescopic rod, which is far away from the second fixing rod, is provided with a second rubber disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618103.5U CN220565289U (en) | 2023-06-25 | 2023-06-25 | Pile foundation fixing device for pile group model test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618103.5U CN220565289U (en) | 2023-06-25 | 2023-06-25 | Pile foundation fixing device for pile group model test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220565289U true CN220565289U (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321618103.5U Active CN220565289U (en) | 2023-06-25 | 2023-06-25 | Pile foundation fixing device for pile group model test |
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| Country | Link |
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| CN (1) | CN220565289U (en) |
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2023
- 2023-06-25 CN CN202321618103.5U patent/CN220565289U/en active Active
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