CN113818499B - Adjustable and stable force transmission device of anchor pile method - Google Patents
Adjustable and stable force transmission device of anchor pile method Download PDFInfo
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- CN113818499B CN113818499B CN202111284673.0A CN202111284673A CN113818499B CN 113818499 B CN113818499 B CN 113818499B CN 202111284673 A CN202111284673 A CN 202111284673A CN 113818499 B CN113818499 B CN 113818499B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The invention discloses an anchor pile method adjustable and stable force transmission device, which relates to the technical field of pile foundation bearing capacity detection and comprises the following steps: experimental stake and anchor pile, the top of anchor pile is provided with the jack, be provided with spherical steel support on the jack, the top level of spherical steel support is provided with the counter-force girder, the top level of anchor pile on the counter-force girder length direction of edge is provided with the counter-force secondary beam perpendicular with the counter-force girder, the top of counter-force girder is provided with the supporting component who is used for supporting the counter-force secondary beam, the top sliding connection of supporting component and counter-force girder. The spherical steel support is arranged between the jack and the counter-force main beam, so that the jack can apply load along the axial direction of the jack when the jack applies load to the counter-force main beam.
Description
Technical Field
The invention relates to the technical field of pile foundation bearing capacity detection, in particular to an anchor pile method adjustable and stable force transmission device.
Background
Along with the gradual increase of superstructure scale, the pile foundation will bear the load that comes from superstructure transmission, and pile diameter, pile type and construction quality influence the bearing capacity of pile foundation closely, in order to guarantee the safety of structure construction, satisfy the requirement of structure bearing capacity, need carry out the bearing capacity to the pile foundation and detect.
The method is a quick and effective method for detecting the bearing capacity of the pile foundation through static load test, one of the methods of the static load test is an anchor pile method, the working principle of the method is that a jack is used for jacking a counter-force main beam, then the test pile is subject to counter-force provided by the jack, and the test pile is loaded in a grading manner by controlling the magnitude of load applied by the jack, so that the ultimate bearing capacity of the pile foundation is obtained, the load and displacement applied to the counter-force main beam are firstly transmitted to a counter-force secondary beam, and then transmitted to the anchor pile through anchor pile main ribs.
The anchor pile method has the advantages of reducing transportation and hoisting costs, but the anchor pile method test equipment has certain problems in a test preparation stage and a test loading stage.
In the test preparation stage, the positions of the secondary counter-force beams cannot be accurately installed on the two sides of the main beam according to design requirements, and the load transmitted by the primary counter-force beams cannot be analyzed as a concentrated load; in the test loading stage, when the jack applies load to the counter-force main beam, the eccentric condition can occur at the force action point, and the jack can not be ensured to apply load along the axial direction of the jack.
Disclosure of Invention
In view of the above, the present invention provides an adjustable and stable force transfer device using an anchor pile method, which aims to solve one of the problems in the background art, and further effectively solve the problems that the position of a counterforce secondary beam cannot be accurately installed on two sides of a main beam according to design requirements, the load transferred by the counterforce main beam cannot be analyzed as a concentrated load, and simultaneously, when a jack applies a load to the counterforce main beam, a force application point is eccentric, and the jack cannot apply a load along the axial direction of the jack.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anchor pile method adjustable and stable force transfer device, comprising: experimental stake and anchor stake, the top of anchor stake is provided with the jack, be provided with spherical steel support on the jack, the top level of spherical steel support is provided with the counter-force girder, follows on the counter-force girder length direction the top level of anchor stake be provided with counter-force girder vertically counter-force secondary beam, the top of counter-force girder is provided with and is used for supporting the supporting component of counter-force secondary beam, the supporting component with the top sliding connection of counter-force girder.
Further, the supporting component comprises a sliding rail, a sliding plate and a rotating supporting piece, the sliding rail is fixedly arranged at the top of the counter-force main beam, the sliding plate is connected with the sliding rail in a sliding mode, and the rotating supporting piece is fixedly connected with the sliding plate.
Further the rotary supporting piece comprises a hinged seat and a support clamping plate, the hinged seat is rotatably connected with the support clamping plate, the hinged seat is fixedly connected with the sliding plate, and the support clamping plate is used for supporting the counter-force secondary beam.
Further, the supporting component further comprises guide plates arranged on two sides of the hinged seat, the guide plates are fixedly connected with the sliding plate, and the guide plates are used for limiting and guiding the support clamping plate.
Further, the supporting component further comprises an adjusting part, the adjusting part is arranged on two sides of the hinged seat, the adjusting part comprises a clamping plate, a guide rod and a hand wheel, the clamping plate is arranged on two sides of the hinged seat, the clamping plate is fixedly connected with the slide rail, a threaded hole matched with the guide rod is formed in the clamping plate, one end of the guide rod penetrates through the threaded hole and is used for being in contact with the guide plate, and the other end of the guide rod is fixedly connected with the hand wheel.
Furthermore, a non-slip nut is arranged on the guide rod between the clamping plate and the guide plate.
Further, spherical steel support includes upper bracket board, bottom suspension bedplate, spheroid, goes up spheroid support and bottom suspension bedplate, the spheroid with bottom suspension bedplate connects, the spheroid with go up the spheroid support contact, bottom suspension bedplate with the central point of bottom suspension bedplate puts fixed connection, go up spheroid support with the central point of upper bracket board puts fixed connection, upper bracket board with the bottom suspension bedplate passes through second stock fixed connection.
Furthermore, the anchor pile and the counter-force secondary beam are fixedly connected through a reinforcement cage arranged at the top of the anchor pile.
According to the technical scheme, compared with the prior art, the adjustable and stable force transfer device adopting the anchor pile method is provided, the supporting component capable of sliding along the length direction of the counterforce main beam is arranged between the counterforce main beam and the counterforce secondary beam, so that the load transferred by the counterforce main beam can be applied to the counterforce secondary beam as a concentrated load, and meanwhile, the supporting component can be quickly and conveniently adjusted to a design position aiming at different design positions of the counterforce secondary beam, and the construction cost is further reduced to a certain extent; through set up spherical steel support between jack and counter-force girder, when jack applys load to the counter-force girder, can guarantee that the jack applys load along its axial, simultaneously, this adjustable and stable power transmission device of anchor pile method can realize quick installation and dismantlement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an anchor pile method adjustable and stable force transfer device according to the present invention in use;
FIG. 2 is a schematic diagram of an adjustable and stable force transfer device using the anchor pile method according to the present invention;
FIG. 3 is a schematic structural view of a support assembly provided in the present invention;
fig. 4 is a schematic structural diagram of a spherical steel support provided by the invention.
Wherein: 1 is a test pile; 2, anchor piles are used; 3 is a jack; 4 is a spherical steel support; 41 is an upper support plate; 42 is a lower support plate; 43 is a sphere; 44 is an upper sphere support; 45 is a lower ball support; 5 is a counter-force main beam; 6 is a counter-force secondary beam; 7 is a reinforcement cage; 8 is a supporting component; 81 is a slide rail; 82, a sliding plate; 83 is a rotary support; 831 is a hinge seat; 832 is a support clamping plate; 84 is a guide plate; 85 is an adjusting part; 851 is a clamping plate; 852 is a guide bar; 853 is a hand wheel; 9 is a sliding nut; 10 is a first anchor rod; and 11 is a second anchor rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the embodiment of the invention discloses an anchor pile method adjustable and stable force transmission device, which comprises: test pile 1 and anchor pile 2, specifically, test pile 1 is equipped with one, anchor pile 2 is equipped with four, four anchor piles 2 set up in the week side of test pile 1, the top of anchor pile 2 is provided with jack 3, be provided with spherical steel support 4 on jack 3, the top level of spherical steel support 4 is provided with counter-force girder 5, the top level of anchor pile 2 along counter-force girder 5 length direction is provided with counter-force secondary beam 6 perpendicular with counter-force girder 5, counter-force secondary beam 6 is provided with two, two counter-force secondary beams 6 all are perpendicular with counter-force girder 5, specifically, the top of anchor pile 2 is provided with steel reinforcement cage 7, the both ends of counter-force secondary beam 6 respectively with steel reinforcement cage 7 fixed connection on the anchor pile 2 of counter-force girder 5 both sides, the top of counter-force girder 5 is provided with two supporting component 8 that are used for supporting counter-force secondary beam 6, supporting component 8 can slide along the length direction of girder 5.
In the above embodiment, the support assembly 8 includes a slide rail 81, a slide plate 82, a rotation support 83, a guide plate 84, and an adjustment portion 85, the slide rail 81 is fixedly disposed on the top of the reaction main beam 5 through the first anchor 10, specifically, the slide rail 81 and the top of the reaction main beam 5 form a slide groove, the slide plate 82 is located in the slide groove, the slide plate 82 can slide in the slide groove along the length direction of the reaction main beam 5, the rotation support 83 is fixedly connected to the slide plate 82, wherein, the rotary supporting member 83 comprises a hinge base 831 and a support catch plate 832, the hinge base 831 is rotatably connected with the support catch plate 832 through a rotating shaft, the hinge base 831 is fixedly connected with a sliding plate 82, the support catch plate 832 is used for supporting a counterforce secondary beam 6, two guide plates 84 are provided, the two guide plates 84 are respectively arranged on the sliding plates 82 at two sides of the hinge base 831, the guide plates 84 are fixedly connected with the sliding plate 82, the guide plates 84 are used for limiting and guiding the support catch plate 832 to ensure that the upper surface of the support catch plate 832 is in surface contact with the lower surface of the counterforce secondary beam 6, the adjusting part 85 is arranged at two sides of the hinge base 831, the adjusting part 85 comprises a catch plate 851, a guide rod 852 and a hand wheel 853, the catch plate 851 is arranged at two sides of the hinge base 831, the clamping plate 851 is fixedly connected with the slide rail 81, a threaded hole matched with the guide rod 852 is formed in the clamping plate 851, one end of the guide rod 852 penetrates through the threaded hole to be in contact with the guide plate 84, the other end of the guide rod 852 is fixedly connected with a hand wheel 853, the position of the rotary support 83 on the slide rail 81 can be adjusted by the rotation of the guide rods 852 on both sides of the hinge base 831, and preferably, the slide-proof nuts 9 are provided on the guide rods 852 between the catch plate 851 and the guide plate 84, when the rotating support 83 is adjusted to a proper position, the rotating support 83 can be locked and fixed by rotating the anti-slip nut 9.
In this embodiment, the spherical steel support 4 includes an upper support plate 41, a lower support plate 42, a sphere 43, an upper sphere support 44 and a lower sphere support 45, the sphere 43 is connected with the lower sphere support 45, the sphere 43 contacts with the upper sphere support 44, the central position of the lower sphere support 45 and the lower support plate 42 is fixedly connected, the central position of the upper sphere support 44 and the upper support plate 41 is fixedly connected, the upper support plate 41 and the lower support plate 42 pass through the second anchor rod 11 and are fixedly connected, through the setting of the spherical steel support 4, when the jack 3 applies a load to the reaction main beam 5, it can be ensured that the jack 3 applies a load along the axial direction thereof.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides an anchor pile method is adjustable and stable power transmission device which characterized in that includes: the test pile comprises a test pile and an anchor pile, wherein a jack is arranged at the top of the anchor pile, a spherical steel support is arranged on the jack, a counter-force main beam is horizontally arranged at the top of the spherical steel support, a counter-force secondary beam perpendicular to the counter-force main beam is horizontally arranged at the top of the anchor pile along the length direction of the counter-force main beam, a supporting assembly used for supporting the counter-force secondary beam is arranged at the top of the counter-force main beam, and the supporting assembly is connected with the top of the counter-force main beam in a sliding manner;
the support assembly comprises a slide rail, a slide plate and a rotary support piece, the slide rail is fixedly arranged at the top of the counter-force main beam, the slide plate is connected with the slide rail in a sliding manner, and the rotary support piece is fixedly connected with the slide plate;
spherical steel support includes upper bracket board, bottom suspension bedplate, spheroid, goes up spheroid support and bottom suspension bedplate, the spheroid with the spheroid support is connected down, the spheroid with go up the spheroid support contact, bottom suspension bedplate with the central point of bottom suspension bedplate puts fixed connection, go up the spheroid support with the central point of upper bracket board puts fixed connection, the upper bracket board with the bottom suspension bedplate passes through second stock fixed connection.
2. An adjustable and stable force transfer device according to claim 1, wherein the rotatable support comprises a hinged base and a support catch plate, the hinged base is rotatably connected to the support catch plate, the hinged base is fixedly connected to the slide plate, and the support catch plate is used to support the counter-force secondary beam.
3. The adjustable and stable force transfer device of claim 2, wherein the supporting assembly further comprises guide plates disposed on both sides of the hinged seat, the guide plates are fixedly connected with the sliding plate, and the guide plates are used for limiting and guiding the support clamping plate.
4. The adjustable and stable force transfer device of claim 3, wherein the supporting component further comprises an adjusting portion, the adjusting portion is disposed on two sides of the hinge seat, the adjusting portion comprises a clamping plate, a guiding rod and a hand wheel, the clamping plate is disposed on two sides of the hinge seat, the clamping plate is fixedly connected with the sliding rail, the clamping plate is provided with a threaded hole matched with the guiding rod, one end of the guiding rod penetrates through the threaded hole and is used for contacting with the guiding plate, and the other end of the guiding rod is fixedly connected with the hand wheel.
5. An adjustable and stable force transfer device according to claim 4, wherein a slip nut is provided on the guide rod between the clamping plate and the guide plate.
6. The adjustable and stable anchor-pile force transfer device according to claim 1, wherein the anchor pile is fixedly connected with the counterforce secondary beam through a reinforcement cage arranged at the top of the anchor pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284673.0A CN113818499B (en) | 2021-11-01 | 2021-11-01 | Adjustable and stable force transmission device of anchor pile method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284673.0A CN113818499B (en) | 2021-11-01 | 2021-11-01 | Adjustable and stable force transmission device of anchor pile method |
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| Publication Number | Publication Date |
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| CN113818499A CN113818499A (en) | 2021-12-21 |
| CN113818499B true CN113818499B (en) | 2022-11-04 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012255305A (en) * | 2011-06-09 | 2012-12-27 | Takenaka Komuten Co Ltd | Foundation load testing method |
| CN204139209U (en) * | 2014-08-20 | 2015-02-04 | 孙传印 | Static loading test counterforce device |
| CN105158064B (en) * | 2015-09-30 | 2017-09-26 | 三峡大学 | A kind of Multifunctional self-leveling weighing apparatus continuous beam test counter-force loading frame of formula |
| CN205475370U (en) * | 2016-03-02 | 2016-08-17 | 江苏方建工程质量鉴定检测有限公司 | Vertical resistance to compression detection device of single pile |
| CN205875232U (en) * | 2016-06-27 | 2017-01-11 | 马鞍山十七冶工程科技有限责任公司 | Static test earth anchor counterforce device |
| CN206512764U (en) * | 2017-02-22 | 2017-09-22 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of horizontally loading test system for applying vertical load in stake top |
| CN107012899A (en) * | 2017-06-08 | 2017-08-04 | 攀枝花天誉工程检测有限公司 | Foundation pile static loading test system |
| CN207863002U (en) * | 2018-02-06 | 2018-09-14 | 中冶沈勘工程技术有限公司 | More anchor poles-reaction beam counterforce device |
| CN109518734A (en) * | 2018-12-03 | 2019-03-26 | 中汽建工(洛阳)检测有限公司 | A kind of anchored pile-testing method static test detection device |
| CN110106927B (en) * | 2019-05-15 | 2020-10-30 | 陕西长地建设工程质量检测有限公司 | Static load test device for pile foundation detection |
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