CN217998218U - Improved single-pile vertical uplift static load test device - Google Patents
Improved single-pile vertical uplift static load test device Download PDFInfo
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- CN217998218U CN217998218U CN202222345059.7U CN202222345059U CN217998218U CN 217998218 U CN217998218 U CN 217998218U CN 202222345059 U CN202222345059 U CN 202222345059U CN 217998218 U CN217998218 U CN 217998218U
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- pull rod
- hole
- short pull
- test device
- jack
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- Piles And Underground Anchors (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a vertical resistance to plucking static load test device of modified single pile, including supporting beam, jack, supporting beam supports through the brace table of the left and right sides. The jack is erected on a supporting cross beam, a supporting top plate is arranged at the top end of the jack, the supporting top plate is connected with a pulling plate through a long pull rod, a plurality of through holes are formed in the pulling plate, the jack is characterized by further comprising a short pull rod, one end of the short pull rod is connected with a connecting bolt at the upper end of a pile body to be detected through a connector, the other end of the short pull rod penetrates through the through holes and then is fixedly connected with the pulling plate, the connector comprises a column body, one end of the column body is provided with a U-shaped connecting port A, U-shaped connecting port B in a communicated mode, the width of the U-shaped connecting port B is larger than that of a U-shaped connecting port A, and the other end of the column body is connected with the short pull rod. The utility model discloses a connector need not to weld high strength bolt of high-speed joint and pull rod, and can adjust the installation angle of pull rod as required.
Description
Technical Field
The utility model relates to a foundation engineering test device especially relates to a vertical resistance to plucking static test device of modified single pile.
Background
In the vertical resistance to plucking static test of common precast tubular pile, the connected mode of pile body and jack mainly has:
the high-strength bolt is fixed on a screw hole on the pile head end plate, and the bolt is directly connected with the force transmission pull rod by adopting a welding method. The pull plate with multiple holes is usually used at the upper part, and the force transmission pull rod is inserted into the through hole on the pull plate and then is fixed by a screw cap.
The disadvantage of this method is that it requires welding, which is time consuming and labor intensive; meanwhile, the positions of the force transmission pull rods on the pull plates are not corresponding, so that the pull rods are stressed unevenly, and welding parts or bolts are easy to break; when the test load is larger, the pile head end plate is easy to pull and separate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical resistance to plucking static load test device of modified single pile overcomes prior art's defect, when having solved precast tubular pile resistance to plucking experiment, need not welding high strength bolt and pull rod through the connector, and can adjust the installation angle of pull rod as required for every pull rod can all bear the difficult fracture of some loads.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an improved single-pile vertical uplift static load test device comprises a supporting beam and a jack, wherein the supporting beam is supported by supporting tables on the left side and the right side. The jack is erected on a supporting cross beam, a supporting top plate is arranged at the top end of the jack, the supporting top plate is connected with a pulling plate through a long pull rod, a plurality of through holes are formed in the pulling plate, the jack is characterized by further comprising a short pull rod, one end of the short pull rod is connected with a connecting bolt at the upper end of a pile body to be detected through a connector, the other end of the short pull rod penetrates through the through holes and then is fixedly connected with the pulling plate, the connector comprises a column body, one end of the column body is provided with a U-shaped connecting port A, U-shaped connecting port B in a communicated mode, the width of the U-shaped connecting port B is larger than that of a U-shaped connecting port A, and the other end of the column body is connected with the short pull rod.
Furthermore, the other end of the column body is provided with a connecting hole, the connecting hole comprises a conical hole and a hemispherical hole which are communicated, the conical bottom of the conical hole is arranged on the end face of the column body, the conical top of the conical hole is communicated with the hemispherical hole, and the hemispherical hole is communicated with the U-shaped connecting port B.
Furthermore, the upper end face of the through hole is provided with a hemispherical groove.
Furthermore, the short pull rod body is provided with threads, the upper end of the short pull rod penetrates through the through hole and then is fixedly connected into the hemispherical groove through a spherical nut, and the lower end of the short pull rod penetrates through the conical hole and then is fixedly connected into the hemispherical hole through a spherical nut.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a pair of vertical resistance to plucking static test device of modified single pile detects the connecting bolt of pile body upper end through setting up connector high-speed joint, need not short pull rod of welded connection and detects the link bolt on pile body upper portion.
2. The utility model discloses to set up the connecting hole into taper hole, hemisphere hole through setting up the connecting hole for short pull rod has certain deflection angle after inserting the connecting hole, makes things convenient for its upper end to insert in the through-hole on the arm-tie, makes short pull rod homoenergetic atress in the use, is difficult for taking place to snap the problem of treating the connecting bolt of detecting pile body upper end.
3. The utility model discloses a set up half spherical groove with the through-hole upper end for behind short pull rod and the spherical nut threaded connection, the contact surface of spherical nut and arm-tie is bigger, and difficult emergence is damaged.
Drawings
Fig. 1 is a schematic structural view of the utility model in use.
Fig. 2 is a structural diagram of the connector of the present invention.
Fig. 3 is a top view of the pulling plate of the present invention.
Fig. 4 is a partially enlarged structural view.
Detailed Description
The present invention will be further clarified by the following detailed description, which is to be understood as being given by way of illustration only, and not by way of limitation, of the scope of the invention, which, after reading the present invention, is intended to fall within the scope of the appended claims, as modified by those skilled in the art in various equivalent forms.
The improved single-pile vertical uplift static load test device shown in fig. 1 to 4 comprises a supporting beam 10 and a jack 30, wherein the supporting beam 10 is supported by supporting tables 20 on the left side and the right side. The jack 30 stands on the supporting beam 10, a supporting top plate 40 is arranged at the top end of the jack, the supporting top plate 40 is connected with a pulling plate 60 through a long pull rod 50, a plurality of through holes 601 are formed in the pulling plate 60, the jack is characterized by further comprising a short pull rod 70, one end of the short pull rod 70 is connected with a connecting bolt at the upper end of a pile body to be detected through a connector 80, the other end of the short pull rod 70 penetrates through the through holes 601 to be fixedly connected with the pulling plate 60, the connector 80 comprises a column body 801, one end of the column body 801 is provided with a U-shaped connecting port A802 and a U-shaped connecting port B803 in a communicating mode, the width of the U-shaped connecting port B803 is larger than that of the U-shaped connecting port A802, and the other end of the column body 801 is connected with the short pull rod 70.
The further scheme is that a connecting hole 804 is formed in the other end of the column body 801, the connecting hole 804 comprises a conical hole 8041 and a hemispherical hole 8042 which are communicated, the conical bottom of the conical hole 8041 is arranged on the end face of the column body 801, the conical top of the conical hole 8041 is communicated with the hemispherical hole 8042, and the hemispherical hole 8042 is communicated with the U-shaped connecting port B803.
The further scheme is that a hemispherical groove 6012 is arranged on the upper end surface of the through hole 601.
The further scheme is that the rod body of the short pull rod 70 is provided with threads, the upper end of the short pull rod 70 passes through the through hole 601 and then is fixedly connected into the groove of the hemispherical groove 6012 through a spherical nut, and the lower end of the short pull rod 70 passes through the conical hole 8041 and then is fixedly connected into the hemispherical hole 8042 through a spherical nut.
The utility model discloses a working method as follows: at first, the connecting bolt is screwed into the pile body end plate to be detected to a certain depth, the connector is sleeved on the bolt, the short pull rod on the connector penetrates through the through hole and is fastened by the spherical nut, when the pull is ensured by adjusting the installation position, all the connecting bolts can be stressed, four support tables are symmetrically arranged on two sides of the pile as stress platforms, the supporting cross beam 10 is placed on the support tables, then the jack 30 is placed on the supporting cross beam 10, and then the test can be started.
Claims (4)
1. The utility model provides a vertical resistance to plucking static test device of modified monopile, includes supporting beam (10), jack (30), supporting beam (10) supports through brace table (20) of the left and right sides, jack (30) stand on supporting beam (10), and its top is equipped with supporting roof (40), supporting roof (40) are through long pull rod (50) connection arm-tie (60), be equipped with a plurality of through-holes (601) on arm-tie (60), its characterized in that still includes short pull rod (70), connecting bolt of connecting pile body upper end is passed through connector (80) to short pull rod (70) one end, the other end passes behind through-hole (601) and arm-tie (60) fixed connection, connector (80) include cylinder (801), U-shaped connector A (802), U-shaped connector B (803) that cylinder (801) one end set up of UNICOM, U-shaped connector B (803) width is greater than U-shaped connector A (802) width, and the cylinder (801) other end is connected short pull rod (70).
2. The improved single-pile vertical uplift static load test device as claimed in claim 1, wherein: the other end of the column body (801) is provided with a connecting hole (804), the connecting hole (804) comprises a conical hole (8041) and a hemispherical hole (8042) which are communicated, the conical bottom of the conical hole (8041) is arranged on the end face of the column body (801), the conical top of the conical hole is communicated with the hemispherical hole (8042), and the hemispherical hole (8042) is communicated with the U-shaped connecting port B (803).
3. The improved single-pile vertical uplift static load test device as claimed in claim 2, wherein: and a hemispherical groove (6012) is formed in the upper end surface of the through hole (601).
4. The improved single-pile vertical uplift static load test device as claimed in claim 3, wherein: the rod body of the short pull rod (70) is provided with threads, the upper end of the short pull rod (70) penetrates through the through hole (601) and then is fixedly connected into the groove of the hemispherical groove (6012) through a spherical nut, and the lower end of the short pull rod (70) penetrates through the conical hole (8041) and then is fixedly connected into the hemispherical hole (8042) through the spherical nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222345059.7U CN217998218U (en) | 2022-09-05 | 2022-09-05 | Improved single-pile vertical uplift static load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222345059.7U CN217998218U (en) | 2022-09-05 | 2022-09-05 | Improved single-pile vertical uplift static load test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217998218U true CN217998218U (en) | 2022-12-09 |
Family
ID=84290266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222345059.7U Active CN217998218U (en) | 2022-09-05 | 2022-09-05 | Improved single-pile vertical uplift static load test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217998218U (en) |
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2022
- 2022-09-05 CN CN202222345059.7U patent/CN217998218U/en active Active
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