CN216525194U - Three-point loading device in drainage pipeline - Google Patents
Three-point loading device in drainage pipeline Download PDFInfo
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- CN216525194U CN216525194U CN202123244408.8U CN202123244408U CN216525194U CN 216525194 U CN216525194 U CN 216525194U CN 202123244408 U CN202123244408 U CN 202123244408U CN 216525194 U CN216525194 U CN 216525194U
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- drainage pipeline
- loading device
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- steel core
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Abstract
The utility model discloses a three-point loading device in a drainage pipeline, which is supported in the drainage pipeline, wherein the cross section of the drainage pipeline is circular; the loading device is in a cross shape, and four cross free ends are respectively arranged at the four equal division positions of the circular drainage pipeline and comprise a square steel core, a jacking assembly and a supporting rod; the two jacking assemblies are symmetrically arranged on the upper end surface and the lower end surface of the square steel core; the jacking assembly comprises a sensor, a jack and a support, wherein the sensor is attached to the outer side surface of the square steel core, the jack is arranged on one side of the sensor, and the support is arranged between the jack and the inner wall of the drainage pipeline. The three-point loading device in the drainage pipeline provided by the utility model has the advantages of simple structure, low cost and strong operability, is particularly suitable for testing the bearing capacity in the pipeline buried underground, can meet the requirement of testing the internal bearing capacity of the pipeline under the non-excavation condition, and improves the working efficiency.
Description
Technical Field
The utility model relates to the field of pipeline testing equipment, in particular to an internal three-point loading device for a drainage pipeline.
Background
In order to test the ultimate bearing capacity of the pipeline, a three-point loading test is a loading mode commonly adopted at present. The specific method is that the pipeline is placed on a special test frame, and then the stress and deformation conditions of the pipeline are measured through the midspan concentrated load loading. The loading mode needs professional complex equipment, and can test the bearing capacity of the underground pipeline only by excavating and taking out the underground pipeline, so that the loading mode is not suitable for operation and implementation.
Drainage pipelines are often buried below roads, urban traffic jam can be caused by pipeline excavation, natural environment of cities and people's living happiness index can be influenced by flying dust and excavation noise, and therefore for the drainage pipelines operated on line, a novel loading device needs to be invented to meet requirements when the limit bearing capacity of the drainage pipelines is tested.
Disclosure of Invention
The utility model aims to provide a three-point loading device in a drainage pipeline, and aims to solve the technical problems that existing pressure testing equipment is complex, an underground pipeline needs to be taken out, and operation is inconvenient.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a three-point loading device in a drainage pipeline is supported in the drainage pipeline, and the cross section of the drainage pipeline is circular; the loading device is in a cross shape, and four free ends of the cross shape are respectively arranged at the circular quartering positions of the drainage pipeline and comprise a square steel core, a jacking assembly and a supporting rod; the two jacking assemblies are symmetrically arranged on the upper end surface and the lower end surface of the square steel core; the jacking assembly comprises a sensor attached to the outer side surface of the square steel core, a jack arranged on one side of the sensor and a support arranged between the jack and the inner wall of the drainage pipeline; a rubber pad is arranged at the tail end of the bracket and at one side close to the inner wall of the drainage pipeline; the two support rods are symmetrically arranged on the left end face and the right end face of the square steel core.
Further, still include pipeline robot, the cantilever centre gripping on the pipeline robot is on square steel core outer wall.
Furthermore, the support rod is detachably connected with the square steel core.
Furthermore, threaded holes are formed in the left end face and the right end face of the square steel core respectively, external threads are arranged at positions, corresponding to the threaded holes, on the outer wall of each supporting rod, and the supporting rods are in threaded connection with the square steel core.
Furthermore, the material of bracing piece is the round steel.
Furthermore, a second rubber pad is arranged on one side of the supporting rod, which is close to the inner wall of the drainage pipeline.
Further, the jack is a hydraulic jack.
Further, the sensor is a pressure sensor.
Further, the cross-sectional dimension of the square steel core is 10-30 cm.
The utility model has the beneficial effects that:
according to the three-point loading device in the drainage pipeline, the two jacks are arranged in the pipeline to load the pipeline in the direction vertical to the ground, the device is simple in structure, the cost is reduced, and the operability is high.
2, the internal three-point loading device for the drainage pipeline is particularly suitable for testing the bearing capacity of the interior of the pipeline buried underground, can meet the requirement of testing the internal bearing capacity of the pipeline under the trenchless condition, is convenient to operate, and improves the working efficiency.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the utility model. The primary objects and other advantages of the utility model may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1-drainage pipeline, 2-square steel core, 3-jacking assembly, 3.1-sensor, 3.2-jack, 3.3-support, 3.4-rubber pad, 4-support rod, 5-pipeline robot, 6-cantilever.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
1, embodiment one, as shown in fig. 1, a three-point loading device in a drainage pipeline is used for being supported in the drainage pipeline 1, and the cross section of the drainage pipeline 1 is circular; the loading device is in a cross shape, four free ends of the cross shape are respectively arranged on the circular quartering positions of the drainage pipeline 1 and comprise square steel cores 2, and the cross section size of each square steel core 2 is 10-30 cm. The jacking component 3 and the supporting rod 4; the two jacking assemblies 3 are symmetrically arranged on the upper end surface and the lower end surface of the square steel core 2; the jacking assembly 3 comprises a sensor 3.1 attached to the outer side surface of the square steel core 2, a jack 3.2 with the sensor arranged on one side of the sensor 3.1, and a support 3.3 arranged between the jack 3.2 and the inner wall of the drainage pipeline 1; and a rubber pad 3.4 is arranged at the tail end of the bracket 3.3 and on one side close to the inner wall of the drainage pipeline 1. Wherein, sensor 3.1 is pressure sensor, and during the loading, sensor 3.1 sets up with ground perpendicularly, and jack 3.2 is the hydraulic jack. When loaded, the pressure applied to the pipe is monitored by the sensor 3.1.
In this embodiment, the support rod 4 is detachably connected to the square steel core 2.
This embodiment, be equipped with the screw hole on the terminal surface about square steel core 2 respectively, the position department that corresponds the screw hole on the 4 outer walls of every bracing piece is equipped with the external screw thread, bracing piece 4 and 2 threaded connection of square steel core.
In this embodiment, the material of the support rod 4 is round steel.
This embodiment, be equipped with the screw hole on the terminal surface about square steel core 2 respectively, the position department that corresponds the screw hole on the 4 outer walls of every bracing piece is equipped with the external screw thread, bracing piece 4 and 2 threaded connection of square steel core.
In this embodiment, the material of the support rod 4 is round steel.
In this embodiment, one side of the support rod 4 close to the inner wall of the drainage pipeline 1 is further provided with a second rubber pad 7.
Second embodiment, as shown in fig. 2, different from the first embodiment, when the diameter of the inner wall of the drainage pipeline 1 is small and the loading device cannot be manually placed into the pipeline, the loading device is placed into the pipeline by using the pipeline robot 5, specifically, the cantilever 6 on the pipeline robot 5 is clamped on the outer wall of the square steel core 2, the pipeline robot 5 is started to drive the control device, and the pipeline robot 5 can place the loading device into the position to be tested in the drainage pipeline 1 to perform the pressure test.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (9)
1. A three-point loading device in a drainage pipeline is supported in the drainage pipeline (1), and the section of the drainage pipeline (1) is circular; the method is characterized in that: the loading device is in a cross shape, and four free ends of the cross shape are respectively arranged at the circular quartering positions of the drainage pipeline (1) and comprise a square steel core (2), a jacking assembly (3) and a supporting rod (4);
the two jacking assemblies (3) are symmetrically arranged on the upper end surface and the lower end surface of the square steel core (2);
the jacking assembly (3) comprises a sensor (3.1) attached to the outer side surface of the square steel core (2), a jack (3.2) arranged on one side of the sensor (3.1), and a support (3.3) arranged between the jack (3.2) and the inner wall of the drainage pipeline (1); a rubber pad (3.4) is arranged at the tail end of the bracket (3.3) and on one side close to the inner wall of the drainage pipeline (1);
the two support rods (4) are symmetrically arranged on the left end surface and the right end surface of the square steel core (2).
2. Three-point loading device in a drainage pipeline according to claim 1, further comprising a pipeline robot (5), wherein the cantilever (6) of the pipeline robot (5) is clamped on the outer wall of the square steel core (2).
3. Three-point loading device inside a drainage pipeline according to claim 1, wherein the support rod (4) is detachably connected with the square steel core (2).
4. The three-point loading device for the interior of the drainage pipeline according to claim 1, wherein the left end surface and the right end surface of the square steel core (2) are respectively provided with a threaded hole, the outer wall of each support rod (4) is provided with an external thread at a position corresponding to the threaded hole, and the support rods (4) are in threaded connection with the square steel core (2).
5. Three-point loading device in a drainage pipeline according to claim 1, characterized in that the material of the support rod (4) is round steel.
6. Three-point loading device in a drainpipe line according to claim 1, wherein a second rubber pad (7) is arranged on the side of the support rod (4) close to the inner wall of the drainpipe line (1).
7. A three point loading apparatus inside a drainpipe line according to claim 1, characterised in that the jack (3.2) is a hydraulic jack.
8. Three-point loading device inside a drainpipe according to claim 1, characterised in that the sensor (3.1) is a pressure sensor.
9. Three-point loading device inside a drainage pipeline according to claim 1, wherein the cross-sectional dimension of the square steel core (2) is 10-30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123244408.8U CN216525194U (en) | 2021-12-22 | 2021-12-22 | Three-point loading device in drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123244408.8U CN216525194U (en) | 2021-12-22 | 2021-12-22 | Three-point loading device in drainage pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216525194U true CN216525194U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123244408.8U Active CN216525194U (en) | 2021-12-22 | 2021-12-22 | Three-point loading device in drainage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216525194U (en) |
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2021
- 2021-12-22 CN CN202123244408.8U patent/CN216525194U/en active Active
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