CN220266655U - Datum beam structure - Google Patents
Datum beam structure Download PDFInfo
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- CN220266655U CN220266655U CN202321575167.1U CN202321575167U CN220266655U CN 220266655 U CN220266655 U CN 220266655U CN 202321575167 U CN202321575167 U CN 202321575167U CN 220266655 U CN220266655 U CN 220266655U
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- connecting pipe
- pile
- beam structure
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 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
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model provides a reference beam structure which comprises a reference beam and a reference pile, wherein the reference beam comprises a first pipe body, a second pipe body and a connecting pipe body which are coaxially arranged, one end of the connecting pipe body is rotationally connected with one end of the first pipe body, the other end of the connecting pipe body is in threaded connection with one end of the second pipe body, and one end of the first pipe body far away from the connecting pipe body and one end of the second pipe body far away from the connecting pipe body are fixedly connected on the reference pile. Through rotating the connecting pipe body, can drive first body lateral shifting to realized the whole length adjustment of benchmark roof beam, make above-mentioned benchmark roof beam structure can adapt to the pile foundation static load test of different size demands, improved the economic nature of benchmark roof beam structure.
Description
Technical Field
The utility model belongs to the technical field of civil engineering detection, and particularly relates to a reference beam structure.
Background
The pile foundation static load test is a test method for gradually applying vertical pressure, vertical pulling force or horizontal thrust on the pile top, observing settlement, pulling displacement or horizontal displacement of the pile top along with time, and further determining corresponding vertical compression bearing capacity, vertical pulling bearing capacity or horizontal bearing capacity of a single pile. The method is used as one of the most direct and reliable methods for determining the bearing capacity of various foundation foundations such as pile foundations, composite foundations, natural foundations and the like at present, and is characterized in that a reference system (comprising a reference beam, a reference pile, a related connecting member and the like) is installed and designed.
The technical specification of foundation pile detection of constructional engineering, JGJ 106-2014, provides that: the reference pile is driven into the ground to a sufficient depth, the reference beam has sufficient rigidity, one end of the beam is fixed on the reference pile, the other end of the beam is simply supported on the reference pile, the reference beam cannot be influenced by air temperature, vibration and other factors, and the displacement test instrument is symmetrically installed. Therefore, in order to meet the above regulations, the existing reference beam is generally made of an integrated steel frame, so that the stability of the structure of the reference beam is guaranteed, but the reference beam is relatively heavy and difficult to adaptively adjust according to pile foundation static load tests with different size requirements, so that the economy is lower.
Disclosure of Invention
The utility model aims to provide a reference beam structure, and aims to solve the problems that a reference beam commonly used in the current pile foundation static load test is relatively heavy, and is difficult to adaptively adjust according to pile foundation static load tests with different size requirements, so that the economical efficiency of a reference system is low.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a benchmark roof beam structure, including benchmark roof beam and benchmark stake, the benchmark roof beam is including being coaxial first body, second body and the connecting pipe body that sets up, and the one end of connecting pipe body rotates with the one end of first body to be connected, and the other end of connecting pipe body and the one end threaded connection of second body, and the one end that first body kept away from in the connecting pipe body and the one end that the second body kept away from in the connecting pipe body all rigid coupling on the benchmark stake.
In one embodiment, the outer wall of one end of the first pipe body is provided with a convex ring along the circumferential direction, the inner wall of the corresponding end of the connecting pipe body is provided with a groove which is matched with the convex ring and used for accommodating the convex ring along the circumferential direction, a ball bearing is further arranged between the convex ring and the groove, an inner ring of the ball bearing is fixedly connected with the convex ring, and an outer ring of the ball bearing is fixedly connected with the groove.
In one embodiment, the outer wall of one end of the second pipe body is provided with an external thread along the axial direction, and the inner wall of the corresponding end of the connecting pipe body is provided with an internal thread which is matched with the external thread for threaded connection along the axial direction.
In one embodiment, the first pipe body, the second pipe body and the connecting pipe body are all steel pipe fittings.
In one embodiment, the reference pile comprises a first pile body and a second pile body, the first pile body is provided with a first blind hole extending along the axial direction of the first pipe body, one end of the first pipe body, which is far away from the connecting pipe body, is movably connected in the first blind hole along the axial direction, and one end of the second pipe body, which is far away from the connecting pipe body, is fixedly connected on the second pile body.
In one embodiment, the second pile body is provided with a second blind hole extending along the axial direction of the second pipe body, the inner wall of the second blind hole is provided with a plurality of guide grooves along the axial direction of the second pipe body, and the outer wall of the second pipe body far away from one end of the connecting pipe body is provided with a plurality of guide ribs which are used for being connected with the guide grooves in a one-to-one fit manner.
In one embodiment, the length of the connecting tube is smaller than the lengths of the first tube and the second tube.
The reference beam structure provided by the utility model has the beneficial effects that: above-mentioned benchmark roof beam structure in benchmark roof beam is including being coaxial first body, second body and the connecting pipe body that sets up to the one end of connecting pipe body rotates with the one end of first body to be connected, and the other end of connecting pipe body and the one end threaded connection of second body make through only rotating the connecting pipe body can adjust benchmark roof beam overall length, thereby make benchmark roof beam structure can be adapted to the pile foundation static load test of different size demands, improved benchmark roof beam structure's economic nature.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a reference beam structure according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a connection structure between a connection pipe body and a first pipe body and a second pipe body in the reference beam structure shown in FIG. 1;
FIG. 3 is an enlarged schematic view of a portion of the connection structure between the connection pipe body and the first pipe body in the reference beam structure shown in FIG. 1;
FIG. 4 is a schematic cross-sectional view of a portion of the first pile body and first pipe body connection structure of the reference beam structure shown in FIG. 1;
fig. 5 is a schematic partial cross-sectional view of a connection structure between a second pile body and a second pipe body in the reference beam structure shown in fig. 1.
In the figure: 10. a reference beam structure; 100. a reference beam; 110. a first tube body; 115. a convex ring; 120. a second tube body; 126. a guide rib; 130. a connection pipe body; 135. a groove; 200. a reference pile; 210. a first pile body; 215. a first blind hole; 220. a second pile body; 225. a second blind hole; 226. a guide groove; 300. ball bearings.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1, a reference beam structure 10 according to an embodiment of the present utility model will now be described. The reference beam structure 10 is mainly used for pile foundation static load test, and specifically comprises a reference beam 100 and a reference pile 200, wherein the reference beam 100 comprises a first pipe body 110, a second pipe body 120 and a connecting pipe body 130 which are coaxially arranged, one end of the connecting pipe body 130 is rotationally connected with one end of the first pipe body 110, the connecting pipe body 130 can rotate relative to the first pipe body 110 by taking the self as an axis, the opposite end of the connecting pipe body 130 is in threaded connection with one end of the second pipe body 120, one end of the first pipe body 110 far away from the connecting pipe body 130 is connected onto the reference pile 200, and one end of the second pipe body 120 far away from the connecting pipe body 130 is connected onto the reference pile 200.
The installation process of the reference beam structure 10 in the pile foundation static load test is as follows: the reference pile 200 is fixed in place, then one end of the second pipe body 120, which is far from the connection pipe body 130, is fixedly connected to the reference pile 200, and then the connection pipe body 130 is rotated to adjust the reference beam 100 to a proper length, and then one end of the first pipe body 110, which is far from the connection pipe body 130, is connected to the reference pile 200.
The reference beam structure 10 has the beneficial effects that: the overall length of the reference beam 100 can be adjusted only by rotating the connecting pipe body 130, so that the reference beam structure 10 can be correspondingly adapted to pile foundation static load tests with different size requirements, and the economical efficiency of the reference beam structure 10 is improved.
Further, referring to fig. 2 and 3, in this embodiment, a convex ring 115 is disposed on an outer wall of one end of the first pipe body 110 along a circumferential direction of the outer wall, a groove 135 adapted to the convex ring 115 for insertion fit is formed on an inner wall of the corresponding end of the connecting pipe body 130 along the circumferential direction of the outer wall, so that the convex ring 115 extends into the groove 135, and a ball bearing 300 is further disposed between the convex ring 115 and the groove 135, wherein an inner ring of the ball bearing 300 is fixedly connected with the convex ring 115, an outer ring of the ball bearing 300 is fixedly connected with the groove 135, so that the connecting pipe body 130 can also rotate relative to the first pipe body 110 when the connecting pipe body 130 and the second pipe body 120 are screwed, and the connecting pipe body 130 can synchronously drive the first pipe body 110 to move in an axial moving process, thereby realizing length adjustment of the reference beam 100.
Further, in the present embodiment, an external thread (not shown) is provided on an outer wall of one end of the second pipe body 120 in an axial direction, and an internal thread, which is an european claim for threaded connection with the external thread, is provided on an inner wall of the corresponding end of the connecting pipe body 130 in the axial direction.
Further, in the present embodiment, the length of the connecting pipe 130 is smaller than the length of the first pipe 110 and the length of the second pipe 120, so as to facilitate the rotation of the connecting pipe, and the first pipe 110, the second pipe 120 and the connecting pipe 130 are all steel pipes, thereby guaranteeing the structural strength of the reference beam 100.
Further, referring to fig. 4 and 5, in the present embodiment, the reference pile 200 includes a first pile body 210 and a second pile body 220 that are disposed opposite to each other, wherein the first pile body 210 is provided with a first blind hole 215 along an axial direction of the first pipe body 110, one end of the first pipe body 110, which is far away from the connecting pipe body 130, is movably connected in the first blind hole 215 along an axial direction thereof, one end of the second pipe body 120, which is far away from the connecting pipe body 130, is fixedly connected to the second pile body 220, such that after the second pipe body 120 is fixedly connected to the second pile body 220, the first pipe body 110 can be extended into or extended out of the first blind hole 215 in a process of rotating the connecting pipe body 130, thereby realizing installation or removal of the reference beam 100 and the reference pile 200.
Further, in the present embodiment, the second pile body 220 is provided with a second blind hole 225 extending along the axial direction of the second pipe body 120, the inner wall of the second blind hole 225 is provided with a plurality of guide grooves 226 along the axial direction of the second pipe body 120, the outer wall of the end of the second pipe body 120 far away from the connecting pipe body 130 is provided with a plurality of guide ribs 126 for being connected with the guide grooves 226 in a one-to-one fit manner, so that the second pipe body 120 can be fixed in the second blind hole 225 through the cooperation of the guide ribs 126 and the guide grooves 226, and in the process of rotating the connecting pipe body 130, the second pipe body 120 can be limited to synchronously rotate along with the connecting pipe body 130 through the cooperation of the guide ribs 126 and the guide grooves 226.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a benchmark roof beam structure, its characterized in that, includes benchmark roof beam and benchmark stake, the benchmark roof beam is including being coaxial first body, second body and the connecting pipe body that sets up, the one end of connecting pipe body with the one end rotation of first body is connected, the other end of connecting pipe body with the one end threaded connection of second body, just first body keep away from in the one end of connecting pipe body and the second body keep away from in the one end of connecting pipe body all connect in on the benchmark stake.
2. The reference beam structure according to claim 1, wherein a convex ring is circumferentially arranged on an outer wall of one end of the first pipe body, a groove adapted to be in plug fit with the convex ring is circumferentially formed on an inner wall of the corresponding end of the connecting pipe body, a ball bearing is further arranged between the convex ring and the groove, an inner ring of the ball bearing is fixedly connected with the convex ring, and an outer ring of the ball bearing is fixedly connected with the groove.
3. The reference beam structure according to claim 1, wherein an outer wall of one end of the second pipe body is provided with an external thread in an axial direction, and an inner wall of the corresponding end of the connecting pipe body is provided with an internal thread adapted for threaded connection with the external thread in an axial direction.
4. The reference beam structure of claim 1, wherein the first pipe body, the second pipe body, and the connecting pipe body are steel pipe elements.
5. The reference beam structure according to claim 1, wherein the reference pile comprises a first pile body and a second pile body, the first pile body is provided with a first blind hole extending along the axial direction of the first pipe body, one end of the first pipe body, which is far away from the connecting pipe body, is movably connected in the first blind hole along the axial direction, and one end of the second pipe body, which is far away from the connecting pipe body, is fixedly connected on the second pile body.
6. The reference beam structure according to claim 5, wherein the second pile body is provided with a second blind hole extending along the axial direction of the second pipe body, the inner wall of the second blind hole is provided with a plurality of guide grooves along the axial direction of the second pipe body, and the outer wall of the second pipe body far from one end of the connecting pipe body is provided with a plurality of guide ribs for one-to-one adaptive connection with the guide grooves.
7. The reference beam structure of any one of claims 1 to 6, wherein the length of the connecting pipe body is smaller than the lengths of the first pipe body and the second pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321575167.1U CN220266655U (en) | 2023-06-19 | 2023-06-19 | Datum beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321575167.1U CN220266655U (en) | 2023-06-19 | 2023-06-19 | Datum beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220266655U true CN220266655U (en) | 2023-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321575167.1U Active CN220266655U (en) | 2023-06-19 | 2023-06-19 | Datum beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220266655U (en) |
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2023
- 2023-06-19 CN CN202321575167.1U patent/CN220266655U/en active Active
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