PCCP pipe ditch backfill soil rolling device

Abstract

The utility model discloses a PCCP (prestressed concrete cylinder pipe) backfill soil rolling device, which relates to the technical field of pipe ditch backfill rolling and comprises a triangular support, anchoring cones are fixedly arranged at the lower end of the triangular support and located at four corners of the lower end of the triangular support, and a horizontal sliding block is slidably arranged in the middle of the upper end of the triangular support. A hydraulic jack is fixedly arranged in the middle of the interior of the horizontal sliding block, and a jack control rod is arranged on one side of the hydraulic jack. Compared with an existing common pipe ditch backfill soil rolling device, the PCCP pipe ditch backfill soil rolling device has the advantages that the triangular support is placed at the construction position, the anchoring cone is inserted into soil to fix the device, then the hydraulic jack is controlled through the jack control rod to press the battering ram on the soil layer, and when the battering ram presses the soil layer, the device is fixed through the anchoring cone. The tamping plate can be kept parallel to a soil layer under the action of the adjustable rotating shaft, so that stable output of the battering ram in the cross section direction of a groove can be guaranteed, and displacement of the battering ram in the axial direction of the groove can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe trench backfill rolling, in particular to a PCCP pipe trench backfill soil rolling device. Background Art

[0002] A pipe trench refers to a common trench for underground pipelines. It is a kind of public infrastructure that can accommodate two or more municipal utility pipelines. It is indispensable in urban construction. Trench backfill is a type of earth backfill, which refers to the backfill of construction projects. When filling the pipe trench, various inspections should be carried out on the underground project first, and backfilling can only be started after the acceptance procedures are completed. When backfilling, rolling, tamping, vibration compaction and other methods can be used.

[0003] The rolling construction of PCCP trench backfill soil can generally be divided into the following areas: the gravel cushion area at the bottom of the pipe, the axilla area of ​​the pipe base (area I), the pipe body area (area II), the pipe top area (area III) and the topsoil area, a total of 5 areas, among which the rolling construction of the backfill soil in the axilla area of ​​the pipe base (area I) and the pipe body area (area II) is the most important and difficult. Since the backfill bin surface on both sides of the pipeline in this area is small, small vibrating flat rollers are used for rolling and compaction during construction, and the axilla area below the pipeline is mostly compacted by manual wooden tamping. This rolling and compaction process has low construction efficiency and it is difficult to ensure the soil compaction and compaction uniformity in the manually compacted area. However, the backfill compaction degree of the trench backfill soil rolling device caused by the above reasons does not meet the requirements or the compaction difference of adjacent areas is large, which is one of the main factors causing uneven settlement of the pipeline. If the relative rotation angle of the two adjacent pipes exceeds the maximum allowable free rotation angle, internal force will be generated at the socket, and in severe cases, rupture will occur, which will lead to water leakage at the interface. Therefore, developing a backfill soil rolling equipment and construction technology suitable for PCCP trenches, effectively controlling the compaction quality of trench backfill soil, solving pipe foundation deformation and uneven settlement, and conducting research on the allowable relative rotation angle value of PCCP pipe joints are issues that urgently need to be solved at the engineering site, which is of great significance to the safe operation of PCCP pipelines.

[0004] Therefore, in view of this, the existing structural deficiencies were studied and improved, and a PCCP trench backfill soil rolling device was proposed. Utility Model Content

[0005] The utility model aims to provide a PCCP trench backfill soil rolling device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCCP trench backfill soil rolling device, comprising a triangular bracket, a lower end of which is fixedly provided with an anchor cone, and the anchor cone is located at the four corners of the lower end of the triangular bracket, a horizontal slider is slidably provided in the middle of the upper end of the triangular bracket, and a hydraulic jack is fixedly provided in the middle of the horizontal slider, and a jack control rod is provided on one side of the hydraulic jack.

[0007] Preferably, a rammer (6) is fixedly provided at the lower end of the hydraulic jack (4), and the rammer (6) is slidably connected to the horizontal slider (3).

[0008] Preferably, an engine (7) is provided on one side of the rammer (6), and the engine (7) is used to drive the rammer (6).

[0009] Preferably, an adjustable rotating shaft (8) is rotatably provided at the lower end of the rammer (6), and a rammer plate (9) is fixedly provided at the lower end of the adjustable rotating shaft (8).

[0010] Preferably, the upper part of the triangular bracket (1) is hinged, and the supporting structures on both sides thereof can rotate relative to each other.

[0011] Preferably, the outer surface of the hydraulic jack (4) is provided with scales.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model places the triangular support at the construction site through the arrangement of a triangular support, an anchoring cone, a horizontal slider, a hydraulic jack, a jack control rod, a rammer, an engine, an adjustable rotating shaft and a rammer plate, and inserts the triangular support into the soil to fix the device. Subsequently, the hydraulic jack is controlled by the jack control rod to press the rammer on the soil layer. When the rammer is pressed on the soil layer, the rammer plate can remain parallel to the soil layer under the action of the adjustable rotating shaft, so that the rammer can ensure stable output in the direction of the groove section, and can also realize the displacement of the rammer along the groove axis direction, thereby greatly saving manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the working process of the device of the utility model;

[0016] Figure 3 This is a schematic diagram of the rammer structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the side structure of the impact rammer of the utility model;

[0018] Figure 5 This is a schematic diagram of the three-dimensional structure of the rammer of the utility model;

[0019] Figure 6 This is a schematic diagram of the earth backfilling situation in each section of the PCCP pipeline of the utility model.

[0020] In the figure: 1. triangular bracket; 2. anchor cone; 3. horizontal slider; 4. hydraulic jack; 5. jack control lever; 6. rammer; 7. engine; 8. adjustable shaft; 9. rammer plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-Figure 6 As shown, a PCCP trench backfill soil rolling device includes a triangular bracket 1, characterized in that an anchor cone 2 is fixedly provided at the lower end of the triangular bracket 1, and the anchor cone 2 is located at the four corners of the lower end of the triangular bracket 1, a horizontal slider 3 is slidably provided at the middle of the upper end of the triangular bracket 1, and a hydraulic jack 4 is fixedly provided in the middle of the horizontal slider 3, a jack control rod 5 is provided on one side of the hydraulic jack 4, a rammer 6 is fixedly provided at the lower end of the hydraulic jack 4, and the rammer 6 is slidably connected to the horizontal slider 3, an engine 7 is provided on one side of the rammer 6, and the engine 7 is used to drive the rammer 6, and the lower end of the rammer 6 is fixedly provided with a jack control rod 5. An adjustable rotating shaft 8 is provided at the end for rotation, and a tamping plate 9 is fixedly provided at the lower end of the adjustable rotating shaft 8. The upper part of the triangular bracket 1 is hinged, and the supporting structures on both sides thereof can rotate relatively. A scale is provided on the outer surface of the hydraulic jack 4. The triangular bracket is placed at the construction site, and the anchor cone is inserted into the soil to fix the device. Then, the hydraulic jack is controlled by the jack control rod to press the rammer on the soil layer. When the rammer is pressed on the soil layer, the ramming plate can remain parallel to the soil layer under the action of the adjustable rotating shaft. In this way, the rammer can be guaranteed to have stable output in the direction of the groove section, and the rammer can be displaced along the groove axis direction, which can greatly save manpower and material resources.

[0023] Furthermore, the hydraulic jack 4 can save manpower while adjusting the displacement of the rammer 6 in the ramming direction, and the scale on its surface can control the compaction degree by changing the displacement.

[0024] Working principle: When using the PCCP trench backfill soil rolling device, first, place the triangular support 1 at the construction site, and insert the anchor cone 2 into the soil to fix the device, then control the hydraulic jack 4 through the jack control rod 5 to press the rammer 6 on the soil layer. When the rammer 6 is pressed on the soil layer, the ramming plate 9 can remain parallel to the soil layer under the action of the adjustable shaft 8, so that the rammer 6 can be guaranteed to output stably in the direction of the trench section, and the rammer 6 can also be displaced along the trench axis, thereby greatly saving manpower and material resources. This is the working principle of the PCCP trench backfill soil rolling device.

Claims

1. A PCCP trench backfill soil rolling device, comprising a triangular support (1), characterized in that: An anchor cone (2) is fixedly provided at the lower end of the triangular bracket (1), and the anchor cone (2) is located at the four corners of the lower end of the triangular bracket (1). A horizontal slider (3) is slidably provided at the middle of the upper end of the triangular bracket (1), and a hydraulic jack (4) is fixedly provided in the middle of the horizontal slider (3), and a jack control rod (5) is provided on one side of the hydraulic jack (4).

2. A PCCP trench backfill soil rolling device according to claim 1, characterized in that: A rammer (6) is fixedly arranged at the lower end of the hydraulic jack (4), and the rammer (6) is slidably connected to the horizontal sliding block (3).

3. A PCCP trench backfill soil rolling device according to claim 2, characterized in that: An engine (7) is provided on one side of the rammer (6), and the engine (7) is used to drive the rammer (6).

4. A PCCP trench backfill soil rolling device according to claim 2, characterized in that: An adjustable rotating shaft (8) is rotatably arranged at the lower end of the impact rammer (6), and a rammer plate (9) is fixedly arranged at the lower end of the adjustable rotating shaft (8).

5. A PCCP trench backfill soil rolling device according to claim 1, characterized in that: The upper part of the triangular bracket (1) is hinged, and the supporting structures on both sides thereof can rotate relative to each other.

6. A PCCP trench backfill soil rolling device according to claim 1, characterized in that: The outer surface of the hydraulic jack (4) is provided with scales.

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