CN114561979A - Pile foundation real-time static load test intelligent detection device - Google Patents
Pile foundation real-time static load test intelligent detection device Download PDFInfo
- Publication number
- CN114561979A CN114561979A CN202210448613.6A CN202210448613A CN114561979A CN 114561979 A CN114561979 A CN 114561979A CN 202210448613 A CN202210448613 A CN 202210448613A CN 114561979 A CN114561979 A CN 114561979A
- Authority
- CN
- China
- Prior art keywords
- steel
- ground hook
- oil cylinder
- steel plate
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The invention relates to a pile foundation static load test detection device, in particular to a pile foundation real-time static load test intelligent detection device, a main body largely uses steel structures to replace traditional concrete beams, so that the detection device is light in weight, the preparation time of detection conditions is shortened, the real-time return of detection data is realized, and the detection process is intelligentized; the device comprises a concrete beam, a reverse-thrust steel structure, a reverse-thrust oil cylinder group, a downward-pressing steel structure, a downward-pressing oil cylinder group, a ground hook and a signal feedback unit. The ground hook comprises a ground hook body, steel claws, a spring and an electromagnet, the front end of the ground hook body is of a pointed cone structure, two mounting grooves which are perpendicular to each other are formed in the middle section of the ground hook body, two steel claws are mounted in a single mounting groove in a hinged mode, a spring fixing groove is formed in the side wall of each steel claw, one end of the spring is mounted in the spring fixing groove in the side wall of each steel claw, the other end of the spring is fixed in the mounting groove in the ground hook body, and the electromagnet is further mounted in the mounting groove in the ground hook body.
Description
Technical Field
The invention relates to a pile foundation static load test detection device, in particular to an intelligent detection device for a pile foundation real-time static load test.
Background
When the pile foundation is subjected to static load test, a large number of precast concrete beams are required to be used for applying pressure to the pile foundation by a conventional detection method, a large amount of time is required for preparation before the test, the accumulated structure of the large number of precast concrete beams is unstable, detection personnel need to enter a detection area when checking the display data, potential safety hazards exist, and meanwhile, the conventional detection method has variables, so that the pressure applied to each tested pile foundation cannot be guaranteed to be the same, and the accuracy of a detection result is influenced to a certain extent.
Disclosure of Invention
In order to solve the problem, the intelligent detection device for the pile foundation real-time static load test is provided, detection personnel do not need to enter a detection area, test data can be monitored on a mobile device, the device is a prefabricated part, complex preparation procedures do not need to be carried out like a conventional detection method during detection, the assembled device is placed on the pile foundation, fixation is completed, the test data can be monitored in real time after a signal feedback unit is installed, and the intelligent detection device is convenient, rapid, safe and efficient.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an intelligent detection device for a pile foundation real-time static load test comprises a concrete beam, a reverse-thrust steel structure, a reverse-thrust oil cylinder group, a downward-pressing steel structure, a downward-pressing oil cylinder group, a ground hook and a signal feedback unit, wherein the ground hook comprises a ground hook body, steel claws, springs and electromagnets, the front end of the ground hook body is of a pointed cone structure, two mutually perpendicular mounting grooves are formed in the middle section of the ground hook body, two steel claws are hinged and mounted in a single mounting groove, spring fixing grooves are formed in the side walls of the steel claws, one end of each spring is mounted in a spring fixing groove in the side wall of each steel claw, the other end of each spring is fixed in a mounting groove in the ground hook body, and one electromagnet is further mounted in the mounting groove in the ground hook body; the reverse-thrust steel structure comprises supporting steel beams and supporting steel plates, the supporting steel beams are parallelly and equidistantly placed on two sides of the concrete beam, a support frame is placed between the concrete beam and the supporting steel beams, one end of the support frame is fixed on the concrete beam through a clamp, the other end of the support frame is connected with the supporting steel beams through welding, the supporting steel plates are placed above the concrete beam and the supporting steel beams in the middle, and a reverse-thrust oil cylinder group comprises a reverse-thrust oil cylinder I which is arranged between the supporting steel beams and the supporting steel plates; the piston end of the first reverse thrust oil cylinder is connected with the supporting steel plate through welding, and the cylinder body end of the first reverse thrust oil cylinder is connected with the supporting steel beam through welding; the reverse thrust oil cylinder group also comprises a reverse thrust oil cylinder II, the cylinder body end of the reverse thrust oil cylinder II is fixed on the concrete beam through a hoop, and the piston end of the reverse thrust oil cylinder II is connected with the supporting steel plate through welding; the lower pressing steel structure comprises a lower pressing steel plate, I-shaped steel and a ground hook support, the lower pressing steel plate is arranged above the supporting steel plate in a parallel and centered mode, the lower pressing oil cylinder group is installed between the lower pressing steel plate and the supporting steel plate, the I-shaped steel is connected with the lower pressing steel plate through welding, the ground hook support is installed at the two ends of the I-shaped steel respectively through welding, and the installation direction is downward.
Preferably, the concrete beam is placed centrally on the upper surface of the pile foundation.
Preferably, the cylinder end of the pressing cylinder group is connected with the pressing steel plate through welding, the piston end of the pressing cylinder group is connected with the supporting steel plate through welding, and the five pressing cylinders are arranged at intervals.
Preferably, the signal feedback unit comprises an electronic dial indicator and ultrasonic sensors, the electronic dial indicator is installed on the supporting steel beam through support welding, and the four ultrasonic sensors are bonded to the outer side of the pile foundation through a coupling agent and distributed at intervals of 90 degrees.
The pile foundation real-time static load test intelligent detection device can achieve the following beneficial effects: through ground hook and lower pressure oil cylinder group, can exert required power to the pile foundation as required, the condition of exerting pressure of simulation concrete prefabricated part, the electronic percentage table can real-time supervision pressure data, and ultrasonic sensor can real-time supervision pile foundation inner structure's change, can simplify the construction procedure, and is safe high-efficient.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram illustrating the structure of the present invention;
FIG. 3 is a schematic view of a ground hook structure;
FIG. 4 is a schematic view of the internal structure of the ground hook;
FIG. 5 is a partial schematic view of the first embodiment of the present invention;
fig. 6 is a partial schematic view of the first embodiment of the present invention.
Description of the reference symbols: 1. a concrete beam; 2. reversely pushing the steel structure; 21. supporting the steel beam; 22. a support frame; 23. clamping a hoop; 24. a support steel plate; 3. reversely pushing the oil cylinder group; 31. a first backward thrust oil cylinder; 32. a second backward thrust oil cylinder; 4. pressing the steel structure; 41. pressing down a steel plate; 42. i-shaped steel; 43. a ground hook support; 5. pressing down the oil cylinder group; 6. a ground hook; 61. a ground hook body; 62. a steel claw; 63. a spring; 64. an electromagnet; 7. a signal feedback unit; 71. an electronic dial indicator; 72. an ultrasonic sensor; 8. pile foundation.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a pile foundation real-time static load test intellectual detection system device, includes concrete beam 1, backward push steel construction 2, backward push oil cylinder group 3, pushes down steel construction 4, pushes down oil cylinder group 5, ground hook 6, signal feedback unit 7. The concrete beam 1 is placed above the pile foundation 8 in the middle, the fixing effect is achieved through the pressure of the upper structure, meanwhile, the concrete beam 1 achieves the effect of pressure dispersion, and detection result errors caused by the fact that the pressure is concentrated in a limited area are prevented; two thrust-reversing oil cylinders two 32 in the thrust-reversing oil cylinder group 3 are arranged on the concrete beam 1, the cylinder body ends of the thrust-reversing oil cylinders two 32 arranged on the concrete beam 1 are fixed on the concrete beam 1 through a hoop 23, and the piston ends of the thrust-reversing oil cylinders two 32 are connected with the supporting steel plate 24 through welding; the supporting steel beams 21 are parallelly and equidistantly placed on two sides of the concrete beam 1, the supporting steel beams 21 are connected with the concrete beam 1 through supporting frames 22, one end of each supporting frame 22 is fixed on the concrete beam 1 through a clamp 23, the other end of each supporting frame is connected with the corresponding supporting steel beam 21 through welding, the other two thrust cylinders one 31 in the thrust-back cylinder group 3 are respectively installed on the corresponding supporting steel beams 21, the cylinder body ends of the thrust-back cylinders one 31 are connected with the supporting steel beams 21 through welding, the piston ends of the thrust-back cylinders one 31 are connected with supporting steel plates 24 through welding, the four thrust-back cylinders are distributed on the concrete beam 1 and the supporting steel beams 21, the supporting steel plates 24 are installed above the thrust-back cylinder group 3, the thrust-back steel structure 2 and the thrust-back cylinder group 3 play an upward thrust-back role, the downward pressure of the lower pressure oil cylinder group 5 can be enhanced, the ground hooks 6 are welded below the supporting steel beams 21 and are uniformly distributed, and the effect of simulating the gravity of a cement prefabricated component can be played, the oil cylinder is prevented from having insufficient pressure, and the device is prevented from being separated from the test pile foundation, so that the fixing device is used; five lower pressing oil cylinders in the lower pressing oil cylinder group 5 are uniformly distributed on the supporting steel plate 24, and the piston ends of the lower pressing oil cylinders are connected with the supporting steel plate 24 through welding; the downward pressing steel plate 41 is arranged above the downward pressing oil cylinder group 5, the cylinder body end of the downward pressing oil cylinder is connected with the downward pressing steel plate 41 through welding, the I-shaped steel 42 is uniformly placed above the downward pressing steel plate 41 in the center and is connected with the downward pressing steel plate 41 through welding, the ground hook support 43 is arranged at two ends of the I-shaped steel 42 through welding, one end of the ground hook support 43 is provided with an installation hole of the ground hook 6, the direction is vertical downward when the ground hook support 43 is installed, the ground hook 6 is connected with the ground hook support 43 through welding to play a role of a stabilizing device, the downward pressing steel structure 4 and the downward pressing oil cylinder group 5 provide changeable downward pressure, and the pressure effect of a cement prefabricated member is simulated; the ground hook 6 comprises a ground hook body 61, a steel claw 62, a spring 63 and an electromagnet 64, wherein the front end of the ground hook body 61 is of a pointed cone structure, two mounting grooves which are mutually vertical in the two directions are formed in the front end of the ground hook body 61, two steel claws 62 are hinged and mounted in a single mounting groove, the side wall of each steel claw 62 is provided with a spring fixing groove, one end of each spring 63 is mounted in the spring fixing groove in the side wall of the steel claw 62, the other end of each spring 63 is fixed in the mounting groove in the ground hook body 61, the electromagnet 64 is powered on when the ground hook 6 is inserted into the ground, the steel claw 62 is adsorbed to enable the ground hook 6 to be smoothly inserted into the ground, after the ground hook 6 reaches a preset position, the electromagnet 64 is powered off, the steel claw 62 is unfolded under the action of the spring 63, when the intelligent detection device integrally moves upwards, the barb structure of the steel claw 62 causes the device to be incapable of moving upwards, and accordingly the function of a fixing device is achieved, when the detection is finished and the device needs to be retracted, the electromagnet 64 is electrified, the steel claw is retracted into the mounting groove of the ground hook body 61, and the ground hook 6 is smoothly retracted; the signal feedback unit 7 comprises an electronic dial indicator 71 and ultrasonic sensors 72, the electronic dial indicator 71 is installed on a supporting steel beam through support welding and used for monitoring the pressure condition of the device in real time, the data of the electronic dial indicator 71 can be transmitted back to a mobile terminal of a detector in real time, four ultrasonic sensors 72 are bonded on the outer side of a pile foundation through a coupling agent and distributed at intervals of 90 degrees, the ultrasonic sensors 72 are used for monitoring the internal condition of the pile foundation 8, the detector can also check the data of the ultrasonic sensors 72 in real time through the mobile terminal, the detector can also complete the control of the reverse thrust cylinder group 3, the downward thrust cylinder group 5 and the ground hook 6 through a control end, the intelligent control of the retraction and release of the oil cylinders and the ground hook 6 is realized, the potential safety hazard of the static load test of a conventional pile foundation is reduced to the maximum extent, a large number of steel structure welding parts are adopted to replace concrete, the light weight reconstruction is convenient for transporting and assembling and disassembling the detection prefabricated parts, the detection efficiency is improved, and the production cost of enterprises is reduced.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. An intelligent detection device for a pile foundation real-time static load test comprises a concrete beam (1), a reverse-thrust steel structure (2), a reverse-thrust oil cylinder group (3), a downward-pressing steel structure (4), a downward-pressing oil cylinder group (5), a ground hook (6) and a signal feedback unit (7), wherein the ground hook (6) comprises a ground hook body (61), a steel claw (62), a spring (63) and an electromagnet (64), the front end of the ground hook body (61) is of a pointed cone type structure, two mutually perpendicular mounting grooves are formed in the middle section of the ground hook body, two steel claws (62) are hinged in a single mounting groove, a spring fixing groove is formed in the side wall of each steel claw (62), one end of each spring (63) is mounted in the spring fixing groove in the side wall of each steel claw (62), the other end of each spring (63) is fixed in the mounting groove in the ground hook body (61), and the electromagnet (64) is further mounted in the mounting groove in the ground hook body (61); the reverse thrust steel structure (2) comprises a supporting steel beam (21) and a supporting steel plate (24), the supporting steel beam (21) is placed on two sides of the concrete beam (1) in parallel and at equal intervals, a supporting frame (22) is placed between the concrete beam (1) and the supporting steel beam (21), one end of the supporting frame (22) is fixed on the concrete beam (1) through a clamp (23), the other end of the supporting frame is connected with the supporting steel beam (21) through welding, the supporting steel plate (24) is placed above the concrete beam (1) and the supporting steel beam (21) in the middle, the reverse thrust oil cylinder group (3) comprises a reverse thrust oil cylinder I (31), and the reverse thrust oil cylinder I (31) is installed between the supporting steel beam (21) and the supporting steel plate (24); the piston end of the first thrust cylinder (31) is connected with the supporting steel plate (24) through welding, and the cylinder body end of the first thrust cylinder (31) is connected with the supporting steel beam (21) through welding; the reverse thrust oil cylinder group (3) further comprises a reverse thrust oil cylinder II (32), the cylinder body end of the reverse thrust oil cylinder II (32) is fixed on the concrete beam (1) through a hoop (23), and the piston end of the reverse thrust oil cylinder II (32) is connected with the supporting steel plate (24) through welding; the pressing steel structure (4) comprises a pressing steel plate (41), I-shaped steel (42) and a ground hook support (43), the pressing steel plate (41) is placed above the supporting steel plate (24) in a parallel and centered mode, the pressing oil cylinder group (5) is installed between the pressing steel plate (41) and the supporting steel plate (24), the I-shaped steel (42) is connected with the pressing steel plate (41) through welding, the ground hook support (43) is installed at the two ends of the I-shaped steel (42) through welding, and the installation direction is downward.
2. The intelligent detection device for the pile foundation real-time static load test according to claim 1, characterized in that: the concrete beam (1) is placed on the upper surface of the pile foundation in the middle.
3. The intelligent detection device for the pile foundation real-time static load test according to claim 1, characterized in that: the cylinder body end of the downward pressing oil cylinder group (5) is connected with a downward pressing steel plate (41) through welding, the piston end of the downward pressing oil cylinder group (5) is connected with a supporting steel plate (24) through welding, and five downward pressing oil cylinders are arranged at intervals.
4. The intelligent detection device for the pile foundation real-time static load test according to claim 1, characterized in that: the signal feedback unit (7) comprises an electronic dial indicator (71) and ultrasonic sensors (72), the electronic dial indicator (71) is installed on the supporting steel beam (21) through support welding, the four ultrasonic sensors (72) are bonded on the outer side of the pile foundation (8) through a coupling agent and distributed at intervals of 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448613.6A CN114561979A (en) | 2022-04-27 | 2022-04-27 | Pile foundation real-time static load test intelligent detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448613.6A CN114561979A (en) | 2022-04-27 | 2022-04-27 | Pile foundation real-time static load test intelligent detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114561979A true CN114561979A (en) | 2022-05-31 |
Family
ID=81721095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210448613.6A Withdrawn CN114561979A (en) | 2022-04-27 | 2022-04-27 | Pile foundation real-time static load test intelligent detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114561979A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541403A (en) * | 2022-12-05 | 2022-12-30 | 江苏城工建设科技有限公司 | Reinforced retaining wall dynamic and static load performance detection device and detection method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012255305A (en) * | 2011-06-09 | 2012-12-27 | Takenaka Komuten Co Ltd | Foundation load testing method |
| CN105040749A (en) * | 2015-07-24 | 2015-11-11 | 上海港湾工程质量检测有限公司 | Pile foundation pulling resistance and compression resistance test system and test method |
| CN211690468U (en) * | 2019-11-27 | 2020-10-16 | 江苏亚道建设工程检测有限公司 | Pile foundation bearing capacity detection device |
| CN212561390U (en) * | 2020-06-05 | 2021-02-19 | 广州市广绿园林绿化有限公司 | Ecological revetment of view that possesses flood control function |
| CN215829500U (en) * | 2021-05-31 | 2022-02-15 | 沈阳中冶检测工程有限公司 | Flat plate static load test counter-force device |
-
2022
- 2022-04-27 CN CN202210448613.6A patent/CN114561979A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012255305A (en) * | 2011-06-09 | 2012-12-27 | Takenaka Komuten Co Ltd | Foundation load testing method |
| CN105040749A (en) * | 2015-07-24 | 2015-11-11 | 上海港湾工程质量检测有限公司 | Pile foundation pulling resistance and compression resistance test system and test method |
| CN211690468U (en) * | 2019-11-27 | 2020-10-16 | 江苏亚道建设工程检测有限公司 | Pile foundation bearing capacity detection device |
| CN212561390U (en) * | 2020-06-05 | 2021-02-19 | 广州市广绿园林绿化有限公司 | Ecological revetment of view that possesses flood control function |
| CN215829500U (en) * | 2021-05-31 | 2022-02-15 | 沈阳中冶检测工程有限公司 | Flat plate static load test counter-force device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541403A (en) * | 2022-12-05 | 2022-12-30 | 江苏城工建设科技有限公司 | Reinforced retaining wall dynamic and static load performance detection device and detection method thereof |
| CN115541403B (en) * | 2022-12-05 | 2023-03-14 | 江苏城工建设科技有限公司 | Reinforced retaining wall dynamic and static load performance detection equipment and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110952661A (en) | Connection mode of frame beam and integrated house frame beam and determination method of connection node | |
| CN102530732A (en) | Hydraulic hoisting, slipping and emplacing method and equipment for large scale press components | |
| CN114561979A (en) | Pile foundation real-time static load test intelligent detection device | |
| CN113607365A (en) | Displacement-controlled wall body plane outer airbag loading test device and test method | |
| CN109855984B (en) | Unidirectional compression shear loading device and application method thereof | |
| KR20110094263A (en) | Crackable snubber functional test method and device | |
| CN216816041U (en) | Vertical observable structural column antiknock test device | |
| CN113654919B (en) | Self-balancing testing device and testing method for single-cabin pipe gallery joint shearing resistance | |
| CN211171631U (en) | System for pre-pressing large-scale beam support through multi-point anchoring and stretching method | |
| CN210975911U (en) | Single-pile pulling resistance test device for prestressed concrete precast pile | |
| CN111811927A (en) | Building material structural performance detection device | |
| CN210395467U (en) | Novel single-pile pulling-resistant static load test device | |
| CN209764578U (en) | Four sides support reinforced concrete slab blast wave loading test fixing device | |
| CN220336102U (en) | Assembled building frame | |
| CN219753290U (en) | Assembled monitoring rod foundation piece and filling type fast-assembling monitoring rod foundation structure | |
| CN212611896U (en) | Base connecting piece, base connection structure and landing stage sideslip base | |
| CN109297805B (en) | Single-section crossed inclined material horizontal type test device | |
| CN214703084U (en) | Cable-stayed bridge cable-beam anchoring structure reduced scale test model loading device | |
| CN110895229A (en) | Mobile assembly type drop hammer impact test device and installation method | |
| CN215726677U (en) | Displacement-controlled wall body plane outer airbag loading test device | |
| CN217105249U (en) | Detection apparatus for anchor pile method static load test | |
| CN214792960U (en) | Automatic monitoring and alarming device for template expansion | |
| CN219958426U (en) | Reinforced concrete beam bending shear crack simulation teaching device | |
| CN219931220U (en) | Assembled building structure | |
| CN216975399U (en) | Disk spring device for stand column check valve test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220531 |