CN212866084U - Ground anchor type pile foundation static load test device - Google Patents
Ground anchor type pile foundation static load test device Download PDFInfo
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- CN212866084U CN212866084U CN202021697091.6U CN202021697091U CN212866084U CN 212866084 U CN212866084 U CN 212866084U CN 202021697091 U CN202021697091 U CN 202021697091U CN 212866084 U CN212866084 U CN 212866084U
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Abstract
The utility model relates to a civil engineering technical field, concretely relates to ground anchor formula pile foundation static load test device, including two support columns and ground stake, two the bottom and the ground fixed connection of support column, two the top surface fixedly connected with bearing plate of support column, three balancing weight has been placed at the top of bearing plate, the top surface of balancing weight is seted up flutedly, the inside wall activity joint of recess has the gag lever post, four rectangular holes have been seted up to equidistant the bottom of gag lever post, the middle part fixedly connected with connecting axle of rectangular hole inside wall. The utility model discloses in, slide the inside wall of recess through the one end from the recess with the gag lever post for spacing post runs through the round hole that corresponds position department, through the one end of the top fixed connection haulage rope of anchor pile, the other end of haulage rope and the pull ring fixed connection who corresponds position gag lever post tip, thereby realize the spacing fixed of balancing weight, improved pile foundation static load test device's security.
Description
Technical Field
The utility model relates to a civil engineering technical field, concretely relates to ground anchor formula pile foundation static load test device.
Background
The static load test of the pile foundation is a technology for detecting the bearing capacity of the pile foundation in engineering, in the aspect of determining the ultimate bearing capacity of a single pile, the static load test is the most accurate and reliable test method at present, and is used for judging whether a certain dynamic load test method is mature or not, and the comparison error of the static load test result is taken as the basis, so that the static load test of the single pile is arranged in the primary position according to the design and processing specifications of each foundation, in the static load test, the load acting on the pile is generally provided by a counterforce device, the usability of the counterforce device directly influences the test process and result, and a pile loading counterforce device and an anchor pile counterforce device are commonly used;
the pile load counterforce device is characterized in that a steel beam is used at the pile top to form a bearing platform, a heavy object is loaded, the platform is gradually jacked up by a jack placed on the pile head, force is applied to a pile body, counterforce is provided for an anchor pile by utilizing pile load, the pile load counterforce device has the advantages of economy and convenience, and is welcomed by a detection unit in the current field test.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problems, the utility model aims to provide a ground anchor type pile foundation static load test device, a groove is arranged on the top surface of a balancing weight, four round holes are arranged on the bottom surface of the groove at equal intervals, a limiting rod is movably clamped on the inner side wall of the groove, four rectangular holes are arranged on the bottom of the limiting rod at equal intervals, a connecting shaft is fixedly connected with the inner side wall of the rectangular hole, a limiting column is fixedly connected with the outer side wall of the connecting shaft through a shaft sleeve, the limiting rod slides to the inner side wall of the groove from one end of the groove, so that the limiting column penetrates through the round hole at the corresponding position, one end of a traction rope is fixedly connected with the top of the anchor pile, the other end of the traction rope is fixedly connected with a pull ring at the end part of the limiting rod at the corresponding position, thereby realizing the limiting and fixing of the balancing weight, through two spliced poles of symmetric distribution of fixed connection at balancing weight top recess department to be convenient for the crane to hang and move the balancing weight.
The purpose of the utility model can be realized by the following technical scheme:
a ground anchor type pile foundation static load test device comprises two support columns and a ground pile, wherein the bottoms of the two support columns are fixedly connected with the ground, the top surfaces of the two support columns are fixedly connected with a bearing plate, the ground pile is positioned between the two support columns, the bottom surface of the ground pile is fixedly embedded into the ground, the top surface of the ground pile is attached to the bottom surface of an oil cylinder, the top surface of the oil cylinder is attached to the bottom surface of a displacement sensor, the top surface of the displacement sensor is attached to the bottom surface of a bearing plate, the top surface of the bearing plate is attached to the bottom surface of a bearing plate, three balancing weights are placed at the top of the bearing plate, and one balancing weight is positioned on the top surfaces of the other two;
the top surface of the balancing weight is provided with a groove, the bottom of the groove is provided with four round holes at equal intervals, the inner side wall of the groove is movably clamped with a limiting rod, two ends of the limiting rod are fixedly connected with pull rings, the bottom of the limiting rod is provided with four rectangular holes at equal intervals, the middle part of the inner side wall of each rectangular hole is fixedly connected with a connecting shaft, the outer side wall of each connecting shaft is rotatably connected with a shaft sleeve, the bottom of each shaft sleeve is fixedly connected with a limiting column, the bottom of each limiting column penetrates through the round holes at the corresponding positions, three anchor piles for limiting and fixing the balancing weight are arranged on the outer sides of the two support columns, the limiting columns penetrate through the round holes at the corresponding positions by sliding the limiting rods from one ends of the grooves to the inner side wall of the groove, one ends of traction ropes are fixedly connected with the tops of the anchor, thereby realize the spacing fixed of balancing weight, make the focus of balancing weight more balanced stable, improved pile foundation static test device's security.
Further, the method comprises the following steps: the bottom surface of the anchor pile is fixedly embedded into the ground, and the top surface of the anchor pile is fixedly connected with the pull ring at the corresponding position through the traction rope, so that the limiting rod is tensioned through the traction rope to limit and fix the balancing weight.
Further, the method comprises the following steps: the lateral wall of hydro-cylinder has the oil pump through oil pipe intercommunication, the top fixedly connected with pressure sensor of oil pump realizes the oil pump to accepting the detection that board jacking force changes.
Further, the method comprises the following steps: the top outer side wall of the groove is fixedly connected with two connecting columns which are symmetrically distributed, and the outer side wall of each connecting column is provided with a thread, so that a crane can conveniently hoist the balancing weight, and the thread increases the friction force of a contact place.
Further, the method comprises the following steps: the limiting rod is located below the connecting column, and the length of the limiting rod is larger than that of the groove, so that the limiting rod can slide from one end of the groove conveniently.
Further, the method comprises the following steps: the bottom surface radius of spacing post is the same with the radius of round hole, and the length of spacing post is less than half length of the long side of rectangular hole to be convenient for spacing post to run through the round hole, and spacing post rotates the inside wall of accomodating the rectangular hole.
The utility model has the advantages that:
1. by arranging the groove on the top surface of the balancing weight and arranging four round holes on the bottom surface of the groove at equal intervals, a limiting rod is movably clamped on the inner side wall of the groove, four rectangular holes are arranged at the bottom of the limiting rod at equal intervals, a connecting shaft is fixedly connected with the inner side wall of each rectangular hole, a limiting column is fixedly connected with the outer side wall of each connecting shaft through a shaft sleeve, the limiting rod slides to the inner side wall of the groove from one end of the groove, so that the limiting column penetrates through the round hole at the corresponding position, one end of a traction rope is fixedly connected with the top of the anchor pile, the other end of the traction rope is fixedly connected with a pull ring at the end part of the limiting rod at the corresponding position, thereby realizing the limit fixation of the balancing weight, leading the gravity center of the balancing weight to be more balanced and stable, improving the safety of the pile foundation static load test device, through two spliced poles of symmetric distribution of fixed connection at balancing weight top recess department to be convenient for the crane to hang and move the balancing weight.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1-2 are schematic views of the overall structure of the present invention;
fig. 3 is a schematic view of a part a of the enlarged structure of fig. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of the stop lever and the counterweight of the present invention;
FIG. 5 is a schematic view of a middle weight block of the present invention;
FIG. 6 is a schematic view of the structure of the middle stop lever of the present invention;
fig. 7 is a schematic diagram of a partial enlarged structure at B in fig. 6 according to the present invention.
In the figure: 1. a support pillar; 2. piling; 3. an oil cylinder; 4. a displacement sensor; 5. a bearing plate; 6. a balancing weight; 7. a limiting rod; 8. anchoring piles; 11. a bearing plate; 31. an oil pump; 61. a groove; 62. a circular hole; 63. connecting columns; 71. a rectangular hole; 72. a connecting shaft; 73. a shaft sleeve; 731. a limiting column; 8. anchoring piles; 9. and (4) the ground.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, a ground anchor type pile foundation static load test device comprises two support columns 1 and a ground pile 2, wherein the bottoms of the two support columns 1 are fixedly connected with the ground 9, the top surfaces of the two support columns 1 are fixedly connected with a bearing plate 11, the ground pile 2 is positioned between the two support columns 1, the bottom surface of the ground pile 2 is fixedly embedded in the ground 9, the top surface of the ground pile 2 is attached to the bottom surface of an oil cylinder 3, the top surface of the oil cylinder 3 is attached to the bottom surface of a displacement sensor 4, the top surface of the displacement sensor 4 is attached to the bottom surface of a bearing plate 5, the top surface of the bearing plate 5 is attached to the bottom surface of the bearing plate 11, three balancing weights 6 are placed at the top of the bearing plate 11, and one balancing weight 6 is;
the top surface of the balancing weight 6 is provided with a groove 61, the bottom of the groove 61 is provided with four round holes 62 at equal intervals, the inner side wall of the groove 61 is movably clamped with a limiting rod 7, both ends of the limiting rod 7 are fixedly connected with pull rings, the bottom of the limiting rod 7 is provided with four rectangular holes 71 at equal intervals, the middle part of the inner side wall of each rectangular hole 71 is fixedly connected with a connecting shaft 72, the outer side wall of each connecting shaft 72 is rotatably connected with a shaft sleeve 73, the bottom of each shaft sleeve 73 is fixedly connected with a limiting column 731, the bottom of each limiting column 731 penetrates through the round holes 62 at the corresponding positions, three anchor piles 8 for limiting and fixing the balancing weight 6 are arranged on the outer sides of the two support columns 1, the limiting rod 7 slides to the inner side wall of the groove 61 from one end of the groove 61, so that the limiting column 731 penetrates through the round holes 62 at the corresponding positions, one end of a, thereby realize balancing weight 6 spacing fixed, make balancing weight 6's focus more balanced stable, improved pile foundation static test device's security.
The bottom surface of the anchor pile 8 is embedded and fixed with the ground 9, and the top surface of the anchor pile 8 is fixedly connected with the pull ring at the corresponding position through a traction rope, so that the limiting rod 7 is tensioned through the traction rope to limit and fix the counterweight block 6; the outer side wall of the oil cylinder 3 is communicated with an oil pump 31 through an oil pipe, and the top of the oil cylinder 31 is fixedly connected with a pressure sensor, so that the oil pump 3 can detect the variation of the jacking force of the bearing plate 5; the outer side wall of the top of the groove 61 is fixedly connected with two connecting columns 63 which are symmetrically distributed, and the outer side wall of each connecting column 63 is provided with a thread, so that a crane can conveniently hoist the balancing weight 6, and the threads increase the friction force of a contact place; the limiting rod 7 is positioned below the connecting column 63, and the length of the limiting rod 7 is greater than that of the groove 61, so that the limiting rod 7 can slide from one end of the groove 61 conveniently; the bottom surface radius of spacing post 731 is the same with the radius of round hole 62, and the length of spacing post 731 is less than half the length of the long side of rectangular hole 71 to be convenient for spacing post 731 to run through round hole 62, and spacing post 731 rotates and accomodates the inside wall of rectangular hole 71.
The working principle is as follows: when in use, a supporting column 1 and a bearing plate 11 positioned on the top surface of the supporting column 1 are built, an oil cylinder 3 is placed on the top surface of a ground pile 2, an oil pipe and an oil pump 31 are connected to the outer side wall of the oil cylinder 3, a pressure sensor is fixed above the oil pump 31, a displacement sensor 4 is placed on the top surface of the oil cylinder 3, a bearing plate 5 is placed above the displacement sensor 4, the top surface of the bearing plate 5 is attached to the bottom surface of the bearing plate 11, a balancing weight 6 is placed on the top of the bearing plate 11 through a crane, a limiting rod 7 is inserted from one end of a groove 61 on the top of the balancing weight 6, during the insertion process, the limiting column 731 rotates on a connecting shaft 72 to the inner side wall of a rectangular hole 71 through a shaft sleeve 73, then the limiting column 731 penetrates through the inside of a round hole 62 at a corresponding position, then the other end of a traction rope fixedly connected with an anchor pile 8 is fixedly connected with, thereby realizing the spacing of balancing weight 6 and fixing.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. An earth anchor type pile foundation static load test device comprises two support columns (1) and a ground pile (2), it is characterized in that the bottoms of the two supporting columns (1) are fixedly connected with the ground (9), the top surfaces of the two supporting columns (1) are fixedly connected with bearing plates (11), the ground pile (2) is positioned between the two supporting columns (1), the bottom surface of the ground pile (2) is embedded and fixed with the ground (9), the top surface of the ground pile (2) is attached to the bottom surface of the oil cylinder (3), the top surface of the oil cylinder (3) is attached to the bottom surface of the displacement sensor (4), the top surface of the displacement sensor (4) is attached to the bottom surface of the bearing plate (5), the top surface of the bearing plate (5) is attached to the bottom surface of the bearing plate (11), three balancing weights (6) are placed at the top of the bearing plate (11), wherein one of the balancing weights (6) is positioned on the top surfaces of the other two balancing weights (6);
the top surface of balancing weight (6) is seted up flutedly (61), four round holes (62) have been seted up to the bottom equidistant of recess (61), the inside wall activity joint of recess (61) has gag lever post (7), the equal fixedly connected with pull ring in both ends of gag lever post (7), four rectangular hole (71) have been seted up to the bottom equidistant of gag lever post (7), middle part fixedly connected with connecting axle (72) of rectangular hole (71) inside wall, the lateral wall of connecting axle (72) rotates and is connected with axle sleeve (73), the spacing post (731) of bottom fixedly connected with of axle sleeve (73), round hole (62) that correspond position department are run through to the bottom of spacing post (731), two the outside of support column (1) all is provided with three anchor pile (8) that are used for spacing fixed balancing weight (6).
2. An earth-anchored pile foundation static load test device according to claim 1, wherein the bottom surface of the anchor pile (8) is fixedly embedded in the ground (9), and the top surface of the anchor pile (8) is fixedly connected with the pull ring at the corresponding position through a traction rope.
3. An earth-anchored pile foundation static load test device according to claim 1, wherein the outer side wall of the oil cylinder (3) is communicated with an oil pump (31) through an oil pipe, and the top of the oil pump (31) is fixedly connected with a pressure sensor.
4. An earth-anchored pile foundation static load test device according to claim 1, wherein two connecting columns (63) are symmetrically distributed and fixedly connected to the outer side wall of the top of the groove (61), and the outer side wall of the connecting column (63) is threaded.
5. An earth-anchored pile foundation static load test device according to claim 4, wherein the limiting rod (7) is positioned below the connecting column (63), and the length of the limiting rod (7) is greater than that of the groove (61).
6. An earth-anchored pile foundation static load test device as claimed in claim 1, wherein the radius of the bottom surface of the limiting column (731) is the same as that of the round hole (62), and the length of the limiting column (731) is less than half of the length of the long side of the rectangular hole (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697091.6U CN212866084U (en) | 2020-08-14 | 2020-08-14 | Ground anchor type pile foundation static load test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697091.6U CN212866084U (en) | 2020-08-14 | 2020-08-14 | Ground anchor type pile foundation static load test device |
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| CN212866084U true CN212866084U (en) | 2021-04-02 |
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| CN202021697091.6U Active CN212866084U (en) | 2020-08-14 | 2020-08-14 | Ground anchor type pile foundation static load test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775704A (en) * | 2022-04-11 | 2022-07-22 | 镇江市建设工程质量检测中心有限公司 | Single-pile horizontal static load test device and method for engineering construction |
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2020
- 2020-08-14 CN CN202021697091.6U patent/CN212866084U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775704A (en) * | 2022-04-11 | 2022-07-22 | 镇江市建设工程质量检测中心有限公司 | Single-pile horizontal static load test device and method for engineering construction |
| CN114775704B (en) * | 2022-04-11 | 2023-09-15 | 镇江市建设工程质量检测中心有限公司 | Single pile horizontal static load test device and method for engineering construction |
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