CN210857308U - Single-pile pulling-resistant static load test device - Google Patents
Single-pile pulling-resistant static load test device Download PDFInfo
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- CN210857308U CN210857308U CN201921614568.7U CN201921614568U CN210857308U CN 210857308 U CN210857308 U CN 210857308U CN 201921614568 U CN201921614568 U CN 201921614568U CN 210857308 U CN210857308 U CN 210857308U
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Abstract
The utility model relates to a single pile resistance to plucking static test field, more specifically says, it relates to a single pile resistance to plucking static test device, including ground and stake hole, subaerial the stake hole of having seted up, be provided with the pile body in the stake hole, subaerial being provided with supports the stake, support and be provided with the crossbeam on the stake, the fixed jack that is provided with on the crossbeam, be provided with the bearing plate on the jack, the fixed connecting plate that is provided with in both ends of bearing plate, be provided with the supporting component who is used for adjusting the distance between connecting plate and the pile body on the connecting plate, and the connecting plate is connected with the pile body through the supporting component, connecting plate and supporting component all set up along the center department symmetry at the. Through the fixed supporting component that is provided with between pile body and connecting plate, adjust supporting component, can carry out fixed connection to the pile body of different stake footpaths, make resistance to plucking static load test device application scope wider.
Description
Technical Field
The utility model relates to a single pile resistance to plucking static test field, more specifically say, it relates to a single pile resistance to plucking static test device.
Background
The single-pile vertical uplift bearing capacity detection means a process of testing the vertical uplift resistance capacity of a single pile by a certain method and carrying out analysis processing, and a load detection system is formed by adopting corresponding loading equipment and a counter-force support by utilizing the basic theorem of statics. The method for acquiring the vertical uplift bearing capacity of the single pile comprises a vertical uplift static load test of the single pile, a standard empirical formula and theoretical analysis.
Chinese patent with publication number CN20690277U discloses a vertical resistance to plucking static load test of large-tonnage bored concrete pile, including supplementary stake, resistance to plucking cask, jack and test stake, place on the test stake and through the mode and the test stake fixed connection of the many equidistant resistance to plucking reinforcing bars of welding through the resistance to plucking cask, although can carry out vertical resistance to plucking static load test, the resistance to plucking cask is fixed knot structure, can not adjust the test stake of different stake footpaths to test stake fixed connection, this equipment application range is little, consequently, need improve it.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a single pile resistance to plucking static load test device through the fixed supporting component that is provided with between pile body and connecting plate, adjusts supporting component, can carry out fixed connection to the pile body in different stake footpaths, makes resistance to plucking static load test device application scope wider.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a single pile resistance to plucking static test device, includes ground and stake hole, has seted up the stake hole on the ground, be provided with the pile body in the stake hole, subaerial being provided with supports the stake, it is provided with the crossbeam to support on the stake, the fixed jack that is provided with on the crossbeam, be provided with the bearing plate on the jack, the fixed connecting plate that is provided with in both ends of bearing plate, be provided with the supporting component who is used for adjusting the distance between connecting plate and the pile body on the connecting plate, and the connecting plate is connected with the pile body through supporting component, and connecting plate and supporting component all follow the central department symmetry setting at the crossbeam in vertical direction.
Through the technical scheme, set up the pile body in the stake hole, subaerial installation supports the stake, support and placed the crossbeam on the stake, be provided with the bearing plate on the crossbeam, be provided with the connecting plate that the cover was located on the bearing plate on the pile body, be fixed with supporting component between connecting plate and the pile body, jack during operation, exert the effort to the bearing plate, the connecting plate drives the pile body and carries out vertical resistance to plucking dead load test, through the change to the supporting component of equidimension not, can carry out fixed connection to the pile body of different stake footpaths, it is wider to make resistance to plucking dead load test device application scope.
The utility model discloses further set up to: the supporting component comprises a fixed inclined block and a supporting inclined block, the fixed inclined block is fixedly arranged on the connecting plate, the supporting inclined block is fixedly arranged on the pile body, and the supporting inclined block is abutted to the fixed inclined block.
Through above-mentioned technical scheme, fixed sloping block is fixed to be set up on the connecting plate, supports the fixed setting of sloping block on the pile body, through supporting sloping block butt on fixed sloping block, when making the connecting plate receive vertical ascending effort, fixed sloping block drives the pile body motion through supporting the sloping block.
The utility model discloses further set up to: the fixed sloping block comprises a first supporting part and a first connecting part, the first supporting part is abutted to the supporting sloping block, a plurality of mounting holes are formed in the first connecting part, high-strength bolts penetrate through the mounting holes, and the first connecting part is fixedly connected with the connecting plate through the high-strength bolts.
Through above-mentioned technical scheme, seted up a plurality of mounting holes on the first connecting portion, through insert the high strength bolt in the mounting hole, can be with first connecting portion fastening on the connecting plate to carry out fixed stay to supporting the sloping block.
The utility model discloses further set up to: the supporting oblique block comprises a second supporting portion and a second connecting portion, the second supporting portion is abutted to the first supporting portion, a plurality of fixing holes are formed in the second connecting portion, high-strength fixing bolts penetrate through the fixing holes, and the second connecting portion is fixedly connected with the pile body through the high-strength fixing bolts.
Through above-mentioned technical scheme, seted up a plurality of fixed orificess on the second connecting portion, through insert high strength fixing bolt in the fixed orifices, can fasten the second connecting portion on the pile body to when fixed sloping block received the vertical ascending effort of jack, can be along with fixed sloping block simultaneous movement, with the vertical upwards pulling of pile body.
The utility model discloses further set up to: all be provided with the inclined plane on second supporting part and the first supporting part, and closely laminate between two inclined planes.
Through above-mentioned technical scheme, be provided with the inclined plane on second supporting part and first supporting part, through closely laminating two inclined planes, can make fixed sloping block and support the fixed stay between the sloping block, in the experiment, fixed sloping block receives vertical ascending effort after, can be through supporting the sloping block with fastening connection between connecting plate and the pile body.
The utility model discloses further set up to: and friction stripes are arranged on the two inclined planes.
Through the technical scheme, the friction stripes arranged on the two inclined planes can increase the friction force between the fixed inclined block and the supporting inclined block, and the relative sliding between the fixed inclined block and the supporting inclined block in the test can be avoided.
The utility model discloses further set up to: the first supporting part and the first connecting part are integrally arranged, and the second supporting part and the second connecting part are integrally arranged.
Through above-mentioned technical scheme, first supporting part and the integrative setting of first connecting portion, the integrative setting of second supporting part and second connecting portion can increase the bearing strength of fixed sloping block and support sloping block, makes fixed sloping block and support sloping block when vertical upward movement, can not take place the fracture.
The utility model discloses further set up to: the jack is connected with an oil pump, and the oil pump is provided with a pressure gauge.
Through above-mentioned technical scheme, be connected with the oil pump on the jack, through the work of oil pump drive jack, be provided with the manometer simultaneously on the oil pump, measure oil pump operating pressure's size through the manometer to can measure the size of the power that the pile body received.
The utility model discloses further set up to: a reference plate is arranged on the ground, and a displacement meter is fixedly mounted on the reference plate.
Through the technical scheme, the ground is provided with the reference plate, the displacement meter is fixedly installed on the reference plate, and the displacement of the pile body pulled out is accurately measured through the shrinkage of the displacement meter.
To sum up, the utility model discloses following beneficial effect has:
(1) the support assembly is fixedly arranged between the pile body and the connecting plate, and can be adjusted to fixedly connect the pile bodies with different pile diameters, so that the application range of the anti-pulling static load test device is wider;
(2) through being provided with between link and the pile body and supporting sloping block and fixed sloping block, link and pile body are respectively in fixed sloping block and support sloping block fixed connection, and when the jack drove the vertical upward movement of connecting plate, exert the effort to supporting the sloping block through fixed sloping block, make between pile body and the link more firm.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the connection relationship between the connection plate and the pile body of the present invention;
fig. 3 is a schematic structural view of the support assembly of the present invention;
FIG. 4 is a schematic structural view of the fixing oblique block of the present invention;
fig. 5 is a schematic structural view of the support sloping block of the present invention.
Reference numerals: 1. a ground surface; 2. pile pit; 3. a pile body; 4. supporting piles; 5. a cross beam; 6. a jack; 7. a pressure bearing plate; 8. a connecting plate; 9. a support assembly; 91. fixing the inclined block; 911. a first support section; 912. a first connection portion; 913. a high strength bolt; 92. supporting the inclined block; 921. a second support portion; 922. a second connecting portion; 923. a high-strength fixing bolt; 93. a bevel; 10. an oil pump; 101. a pressure gauge; 11. a reference plate; 111. a displacement meter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a single pile resistance to plucking static test device, as shown in fig. 1 and fig. 2, including ground 1 and stake hole 2, stake hole 2 has been seted up on ground 1, be provided with the pile body 3 that is used for the experiment in the stake hole 2, be provided with on ground 1 and support stake 4, be provided with crossbeam 5 on the support stake 4, the fixed jack 6 that is provided with on crossbeam 5, jack 6 is connected with oil pump 10, be provided with bearing plate 7 on the jack 6, bearing plate 7 is along the ascending both ends fixedly connected with connecting plate 8 of crossbeam 5 width direction, be provided with supporting component 9 between connecting plate 8 and the pile body 3, connecting plate 8 is connected with pile body 3 through supporting component 9. When a single-pile pulling-resistant static load test is carried out, the oil pump 10 is started, the oil pump 10 charges oil to the jack 6, the jack 6 works to apply vertical upward acting force to the bearing plate 7, the bearing plate 7 drives the connecting plate 8 to move, and meanwhile, the supporting component 9 and the pile body 3 move vertically upward.
As shown in fig. 1 and 2, in order to accurately measure the magnitude of the force applied to the pile 3 by the jack 6, a pressure gauge 101 is provided on the oil pump 10, and the magnitude of the working pressure of the oil pump 10 is measured by the pressure gauge 101, so that the magnitude of the force applied to the pile 3 can be measured. Meanwhile, a reference plate 11 is arranged on the ground 1, a displacement meter 111 is fixedly arranged on the reference plate 11, and the pulling-out amount of the pile body 3 is accurately measured through the shrinkage amount of the displacement meter 111. And observing the uplift displacement of the pile body 3 along with time to determine the vertical uplift bearing capacity of the pile body 3.
As shown in fig. 3 and 4, when the single pile pulling-resistant static load test is performed, the support assembly 9 is first fixedly installed. The supporting component 9 is symmetrically arranged at the center of the cross beam 5 in the vertical direction, the supporting component 9 comprises a fixed inclined block 91 and a supporting inclined block 92, the fixed inclined block 91 is fixedly arranged on the connecting plate 8, the supporting inclined block 92 is fixedly arranged on the pile body 3, and the supporting inclined block 92 abuts against the fixed inclined block 91. The fixed sloping block 91 comprises a first supporting part 911 and a first connecting part 912, and in order to increase the bearing strength of the fixed sloping block 91, the fixed sloping block 91 cannot break when moving vertically upwards, and the first supporting part 911 and the first connecting part 912 are integrally arranged. A plurality of mounting holes have been seted up on first supporting part 911, and high strength bolt 913 is worn to be equipped with in the mounting hole, will fix sloping block 91 fixed connection on connecting plate 8 through high strength bolt 913. After the fixing of the fixing swash block 91 is completed, the supporting swash block 92 is installed. Referring to fig. 5, the supporting swash block 92 includes a second supporting portion 921 and a second connecting portion 922, and in order to increase the bearing strength of the supporting swash block 92 and prevent the supporting swash block 92 from being broken when moving vertically upward, the second supporting portion 921 and the second connecting portion 922 are integrally provided. The second support part 921 is abutted against the first support part 911, and then the second connection part 922 is fixedly connected to the pile body 3. A plurality of fixed orificess have been seted up on the second connecting portion 922, wear to be equipped with high strength fixing bolt 923 in the fixed orifices, through passing high strength fixing bolt 923 the fixed orifices insert pile body 3 in, will support sloping block 92 fixed connection on pile body 3.
As shown in fig. 4 and 5, in order to enable the jack 6 to drive the connecting plate 8 to move vertically upwards, the supporting oblique block 92 is acted by a fixed oblique block 91, so that the space between the pile body 3 and the connecting plate 8 is firmer, the first supporting portion 911 is an oblique block which gradually decreases along the vertical upwards length, the second supporting portion 921 is an oblique block which gradually increases along the vertical upwards length, and the second supporting portion 921 and the first supporting portion 911 are both provided with an inclined surface 93, and the two inclined surfaces 93 are tightly attached to each other. All be provided with the friction stripe on the inclined plane 93 on the first supporting part 911 and the inclined plane 93 of second supporting part 921, and the friction stripe evenly sets up on first supporting part 911 and second supporting part 921 for the frictional force between fixed sloping block 91 of increase and the support sloping block 92 can avoid producing relative slip between fixed sloping block 91 and the support sloping block 92 in the experiment. After the supporting component 9 is installed, the vertical uplift static load test is carried out on the pile body 3.
The implementation principle of the embodiment is as follows: when a single-pile pulling-resistant static load test is carried out, the oil pump 10 is started, the oil pump 10 charges oil to the jack 6, the jack 6 works to apply vertical upward acting force to the bearing plate 7, the bearing plate 7 drives the connecting plate 8 to move, and meanwhile, the supporting component 9 and the pile body 3 move vertically upward. Meanwhile, acting force is applied to the supporting inclined block 92 through the fixing inclined block 91, so that the connection between the pile body 3 and the connecting plate 8 is firmer. And observing the uplift displacement of the pile body 3 along with time to determine the vertical uplift bearing capacity of the pile body 3.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A single-pile pulling-resistant static load test device comprises a ground (1) and a pile pit (2), wherein the pile pit (2) is arranged on the ground (1), it is characterized in that a pile body (3) is arranged in the pile pit (2), a supporting pile (4) is arranged on the ground (1), a cross beam (5) is arranged on the supporting pile (4), a jack (6) is fixedly arranged on the cross beam (5), a bearing plate (7) is arranged on the jack (6), two ends of the bearing plate (7) are fixedly provided with connecting plates (8), a supporting component (9) for adjusting the distance between the connecting plate (8) and the pile body (3) is arranged on the connecting plate (8), and the connecting plate (8) is connected with the pile body (3) through the supporting component (9), and the connecting plate (8) and the supporting component (9) are symmetrically arranged at the center of the cross beam (5) in the vertical direction.
2. The single-pile pull-out resistance static load test device according to claim 1, wherein the supporting component (9) comprises a fixed inclined block (91) and a supporting inclined block (92), the fixed inclined block (91) is fixedly arranged on the connecting plate (8), the supporting inclined block (92) is fixedly arranged on the pile body (3), and the supporting inclined block (92) abuts against the fixed inclined block (91).
3. The single-pile uplift static load test device as claimed in claim 2, wherein the fixed inclined block (91) comprises a first supporting portion (911) and a first connecting portion (912), the first supporting portion (911) abuts against the supporting inclined block (92), a plurality of mounting holes are formed in the first connecting portion (912), high-strength bolts (913) penetrate through the mounting holes, and the first connecting portion (912) is fixedly connected with the connecting plate (8) through the high-strength bolts (913).
4. The single-pile pulling-resistant static load test device according to claim 2, wherein the supporting oblique block (92) comprises a second supporting portion (921) and a second connecting portion (922), the second supporting portion (921) abuts against the first supporting portion (911), a plurality of fixing holes are formed in the second connecting portion (922), high-strength fixing bolts (923) penetrate through the fixing holes, and the second connecting portion (922) is fixedly connected with the pile body (3) through the high-strength fixing bolts (923).
5. The single-pile uplift static load test device as claimed in claim 4, wherein the second supporting part (921) and the first supporting part (911) are both provided with an inclined surface (93), and the two inclined surfaces (93) are tightly attached to each other.
6. A mono pile pull-out resistance static load test device according to claim 5, wherein said two inclined surfaces (93) are provided with friction stripes.
7. A single pile pull-out resistance static load test apparatus according to claim 4, wherein the first support portion (911) and the first connecting portion (912) are integrally provided, and the second support portion (921) and the second connecting portion (922) are integrally provided.
8. The mono-pile pulling-resistant static load test device according to claim 1, wherein an oil pump (10) is connected to the jack (6), and a pressure gauge (101) is arranged on the oil pump (10).
9. A mono pile resistance to plucking static load test apparatus as claimed in claim 1, wherein said ground (1) is provided with a reference plate (11), and said reference plate (11) is fixedly mounted with a displacement meter (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614568.7U CN210857308U (en) | 2019-09-25 | 2019-09-25 | Single-pile pulling-resistant static load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614568.7U CN210857308U (en) | 2019-09-25 | 2019-09-25 | Single-pile pulling-resistant static load test device |
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| Publication Number | Publication Date |
|---|---|
| CN210857308U true CN210857308U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921614568.7U Active CN210857308U (en) | 2019-09-25 | 2019-09-25 | Single-pile pulling-resistant static load test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431235A (en) * | 2020-11-11 | 2021-03-02 | 南京卓为工程监理有限公司 | High-exposed foundation pile detection device for photovoltaic power generation |
-
2019
- 2019-09-25 CN CN201921614568.7U patent/CN210857308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431235A (en) * | 2020-11-11 | 2021-03-02 | 南京卓为工程监理有限公司 | High-exposed foundation pile detection device for photovoltaic power generation |
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