Prestressed high-strength concrete (PHC) pile sand-free vacuum preloading device

Abstract

The utility model relates to the technical field of pre-pressing devices, and discloses a PHC pile sand-free vacuum pre-pressing device which comprises a gas-liquid separation tank and a vacuum pump, the input end of the gas-liquid separation tank is fixedly communicated with a filter box, one side of the filter box is fixedly communicated with a vacuum pipe, the surface of the vacuum pipe is provided with a plurality of supporting assemblies, and the supporting assemblies are fixedly connected with the vacuum pump. The gas outlet end of the gas-liquid separation tank is fixedly connected with a gas outlet pipe, one end of the gas outlet pipe is fixedly connected with the input end of a vacuum pump, and a filtering assembly is installed on one side of the interior of the filtering box; and the filter assembly comprises a mounting frame, two sliding assemblies, a screen frame, a coarse filter screen, a fine filter screen and two vibration motors. According to the vacuum pumping device, particle impurities in pumped water can be filtered, the influence on the gas-liquid separation efficiency and the blockage of a subsequent structure are avoided, the plurality of supporting assemblies are arranged to fix the vacuum pipe, displacement is not easy to generate during air pumping, and the vacuum pumping effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to pre -pressing device technical field especially relates to a PHC pile sandless vacuum pre -pressing device. BACKGROUND

[0002] PHC pile is a kind of deep foundation type commonly used in building foundation engineering, with the characteristics of strong bearing capacity, construction is quick.PHC pile construction process, using sandless vacuum pre -pressing device removes moisture in soil by vacuum suction technology, enhances the compactness of soil, to improve the bearing capacity and stability of foundation.

[0003] But the existing sandless vacuum pre -pressing device has some shortcomings.First, the existing sandless vacuum pre -pressing device lacks the filter structure of the mud sand in the water body that is pumped up, which can affect the gas-liquid separation efficiency and cause subsequent structure blockage;Second, the vacuum pipeline of the existing sandless vacuum pre -pressing device lacks support fixing structure, and is easy to displace in the air pumping process, which affects the vacuum pumping effect, so a kind of PHC pile sandless vacuum pre -pressing device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of PHC pile sandless vacuum pre -pressing device, to improve the existing sandless vacuum pre -pressing device lacks the filter structure of the mud sand in the water body that is pumped up, which can affect the gas-liquid separation efficiency and cause subsequent structure blockage, and the vacuum pipeline of the existing sandless vacuum pre -pressing device lacks support fixing structure, and is easy to displace in the air pumping process, which affects the vacuum pumping effect problem.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of PHC pile sandless vacuum pre -pressing device, including gas-liquid separation tank and vacuum pump, the input end of the gas-liquid separation tank is fixedly connected with filter box, one side of the filter box is fixedly connected with vacuum pipe, the surface of the vacuum pipe is installed with several support components, the gas-liquid separation tank is fixedly connected with the gas outlet pipe of gas outlet, and the input end of vacuum pump is fixedly connected with the gas outlet pipe, the filter box is installed with filter component on one side;

[0006] The filter component includes mounting frame, two sliding components, net frame, coarse filter screen, fine filter screen and two vibration motors, the sliding component is installed on the inner wall of the mounting frame on both sides, and the two sliding components are connected to the two sides of the net frame respectively, the coarse filter screen is fixedly installed on one side of the net frame, the fine filter screen is fixedly installed on the other side of the inner wall of the net frame, and the vibration motor is fixedly installed on both sides of the inner wall top of the net frame.

[0007] As a further description of the above technical scheme:

[0008] The sliding assembly comprises a sliding groove, a sliding strip and a plurality of springs, the sliding groove is arranged on one side of the inner wall of the mounting frame, the inner wall of the sliding groove is slidably connected with the sliding strip, one side of the sliding strip is fixedly connected with the net frame, the two sides of the sliding strip are fixedly connected with a plurality of springs, and one end of each of the plurality of springs is fixedly connected with the two sides of the inner wall of the sliding groove.

[0009] As a further description of the above technical solution:

[0010] The support assembly comprises a lower support ring, two perforations and two insertion rods, the vacuum pipe is clamped on the inner wall of the lower support ring, the two sides of the bottom of the lower support ring are provided with the perforations, and the inner walls of the two perforations are both connected with the insertion rods.

[0011] As a further description of the above technical solution:

[0012] The top of the lower support ring is fixedly provided with an upper limiting ring through bolts.

[0013] As a further description of the above technical solution:

[0014] The top end of the insertion rod is fixedly connected with a pull ring.

[0015] As a further description of the above technical solution:

[0016] The bottom of the vacuum pipe is fixedly and uniformly connected with a plurality of branch pipes.

[0017] As a further description of the above technical solution:

[0018] The water outlet end of the gas-liquid separation tank is fixedly provided with a water pump.

[0019] As a further description of the above technical solution:

[0020] The input end of the water pump is communicated with the inside of the gas-liquid separation tank, and the output end of the water pump is fixedly connected with a water outlet pipe.

[0021] The utility model has the advantages of the following:

[0022] 1、 in the utility model, the filter box is arranged at the front end of the sandless vacuum preloading device, the coarse filter screen in the filter assembly can block the large particle sand in the water body, the fine filter screen is used for filtering small particle impurities, the particle impurities on the surface of the filter screen are shaken off under the cooperation of the sliding strip and the spring, the vibration motor is started periodically, the shaking range of the net frame is increased, and the particle impurities on the surface of the filter screen are shaken off, so that the effect of dredging is achieved and the maintenance frequency is reduced.

[0023] 2. The utility model discloses a plurality of support assemblies are arranged on the vacuum pipe of the sandless vacuum preloading device, and the pipeline is supported and limited by upper limiting ring and lower support ring, and the plug rod on both sides is inserted into the soil to fix the position of the support assembly, so that the vacuum pipe is not easy to displace in the soil suction process, and the vacuum effect is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structural diagram of the sandless vacuum preloading device of the PHC pile is provided for the utility model.

[0025] Figure 2 A three-dimensional schematic view of the gas-liquid separation tank of the sandless vacuum preloading device of the PHC pile is provided for the utility model.

[0026] Figure 3 A top view sectional view of the filter box of the sandless vacuum preloading device of the PHC pile is provided for the utility model.

[0027] Figure 4 A sectional schematic view of the support assembly of the sandless vacuum preloading device of the PHC pile is provided for the utility model.

[0028] LEGEND:

[0029] 1, vacuum pump, 2, air outlet pipe, 3, gas-liquid separation tank, 4, vacuum pipe, 5, branch pipe, 6, water pump, 7, filter box, 8, mounting frame, 9, sliding groove, 10, slide bar, 11, spring, 12, coarse filter screen, 13, fine filter screen, 14, vibration motor, 15, upper limiting ring, 16, lower support ring, 17, perforation, 18, plug rod, 19, pull ring, 20, net frame, 21, water outlet pipe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] REFERENCE Figure 1 and Figure 2This utility model provides an embodiment of a PHC pile sand-free vacuum pre-compression device, including a gas-liquid separation tank 3 and a vacuum pump 1. The gas-liquid separation tank 3 uses gravity to allow the pumped gas to be discharged from the top and the liquid to be discharged from the bottom. The input end of the gas-liquid separation tank 3 is fixedly connected to a filter box 7, and a vacuum tube 4 is fixedly connected to one side of the filter box 7. The pumped gas is transported through the vacuum tube 4. The main body is a rigid pipe, and the part connected to the filter box 7 is a flexible pipe. Several support components are installed on the surface of the vacuum tube 4 to support and limit the vacuum tube 4 and prevent displacement during the pumping process. The gas outlet end of the gas-liquid separation tank 3 is fixedly connected to an outlet pipe 2, and one end of the outlet pipe 2 is fixedly connected to the input end of the vacuum pump 1. Under the suction action of the vacuum pump 1, the gas separated in the gas-liquid separation tank 3 can be discharged through the outlet pipe 2. A filter component is installed on one side inside the filter box 7 to filter particulate impurities in the water to avoid affecting the gas-liquid separation efficiency and causing subsequent blockage.

[0032] Reference Figure 3 The filter assembly includes a mounting frame 8, two sliding components, a mesh frame 20, a coarse filter screen 12, a fine filter screen 13, and two vibration motors 14. Sliding components are installed on both sides of the inner wall of the mounting frame 8, and the two sliding components are respectively connected to the two sides of the mesh frame 20, so that the mesh frame 20 can slide left and right relative to the mounting frame 8. A coarse filter screen 12 is fixedly installed on one side of the mesh frame 20, which can block large particles of silt in the water. A fine filter screen 13 is fixedly installed on the other side of the inner wall of the mesh frame 20, which can filter small particles of impurities in the water. The double-layer filter design reduces the filtration pressure of a single filter screen. Vibration motors 14 are fixedly installed on both sides of the top of the inner wall of the mesh frame 20, which drive the mesh frame 20 to vibrate and clear the surface of the filter screen.

[0033] Reference Figure 3 The sliding assembly includes a slide groove 9, a slide bar 10, and several springs 11. The slide groove 9 is opened on one side of the inner wall of the mounting frame 8. The slide bar 10 is slidably connected to the inner wall of the slide groove 9 and is fixedly connected to one side of the mesh frame 20. Several springs 11 are fixedly connected to both sides of the slide bar 10, and one end of each spring 11 is fixedly connected to both sides of the inner wall of the slide groove 9. The springs 11 provide support, so that after the vibration motor 14 is started, the slide groove 9 and the slide bar 10 can increase the vibration amplitude of the mesh frame 20, thereby shaking off the particulate impurities attached to the surface of the filter screen, thus clearing the blockage and reducing the maintenance frequency.

[0034] Reference Figure 4The supporting assembly comprises a lower supporting ring 16, two through holes 17 and two insertion rods 18, the vacuum pipe 4 is clamped on the inner wall of the lower supporting ring 16, the lower supporting ring 16 can support the vacuum pipe 4 and improve the stability, the through holes 17 are arranged on the two sides of the bottom of the lower supporting ring 16, and the insertion rods 18 are inserted into the soil through the through holes 17.

[0035] With reference to Figure 4 The upper limiting ring 15 is fixedly installed on the top of the lower supporting ring 16 by bolts, the upper limiting ring 15 and the lower supporting ring 16 can limit the pipeline, so that the vacuum pipe 4 is not easy to displace during the soil suction process, and the vacuum effect is ensured.

[0036] With reference to Figure 4 The top end of the insertion rod 18 is fixedly connected with a pull ring 19, and the pull ring 19 is convenient for extracting the insertion rod 18 inserted into the soil.

[0037] With reference to Figure 1 The bottom of the vacuum pipe 4 is uniformly fixedly connected with a plurality of branch pipes 5, the plurality of branch pipes 5 are inserted into the soil, when the vacuum pump 1 is started, the water and air in the soil can be sucked by the vacuum pipe 4 and the plurality of branch pipes 5.

[0038] With reference to Figure 2 The water outlet end of the gas-liquid separation tank 3 is fixedly installed with a water pump 6, and the water pump 6 can extract the water separated from the gas-liquid separation tank 3.

[0039] With reference to Figure 2 The input end of the water pump 6 is communicated with the inside of the gas-liquid separation tank 3, the output end of the water pump 6 is fixedly connected with a water outlet pipe 21, and the water pump 6 can transport the extracted water to the specified area for discharge after the water outlet pipe 21 is started.

[0040] Working principle: a sealing wall is built around the construction area of the PHC pile, a plurality of branch pipes 5 are inserted into the soil, the upper part of which is connected with the vacuum pipe 4, and then the woven cloth, geotextile and sealing film are laid in sequence on the upper part, by starting the vacuum pump 1, cooperating with the vacuum pipe 4 and the plurality of branch pipes 5, the water and air in the soil can be pumped to the gas-liquid separation tank 3, the gas is discharged from the upper gas outlet pipe 2, and the water can be pumped by the water pump 6 and discharged from the water outlet pipe 21, by arranging the filter box 7 at the front end of the gas-liquid separation tank 3 of the sandless vacuum preloading device, the coarse filter screen 12 in the filter assembly can block the large particle silt in the pumped water, and the fine filter screen 13 can filter the small particle impurities, so as to avoid the influence of the particle impurities in the water on the gas-liquid separation efficiency and cause the blockage of the subsequent structure, and the vibration motor 14 can be started periodically, and under the cooperation of the sliding bar 10 and the spring 11, the shaking amplitude of the screen frame 20 can be increased, so that the particle impurities attached to the surface of the filter screen are shaken off, the effect of dredging is achieved, the maintenance frequency is reduced, and a plurality of support assemblies are arranged on the vacuum pipe 4 of the sandless vacuum preloading device, the pipeline is supported and limited by the upper limiting ring 15 and the lower supporting ring 16, and the insertion rods 18 on both sides are inserted into the soil, so as to fix the position of the support assembly, so that the vacuum pipe 4 is not easy to displace in the process of pumping the soil, and the vacuum effect is guaranteed.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A PHC pile sand-free vacuum preloading device, comprising a gas-liquid separation tank (3) and a vacuum pump (1), characterized in that: The input end of the gas-liquid separation tank (3) is fixedly communicated with a filter box (7), one side of the filter box (7) is fixedly communicated with a vacuum pipe (4), a plurality of supporting assemblies are mounted on the surface of the vacuum pipe (4), the gas outlet end of the gas-liquid separation tank (3) is fixedly connected with a gas outlet pipe (2), and one end of the gas outlet pipe (2) is fixedly connected with the input end of a vacuum pump (1), and a filter assembly is mounted on one side in the filter box (7); The filter assembly comprises a mounting frame (8), two sliding assemblies, a net frame (20), a coarse filter screen (12), a fine filter screen (13) and two vibration motors (14), the sliding assemblies are mounted on the inner walls of the two sides of the mounting frame (8), the two sliding assemblies are connected to the two sides of the net frame (20) respectively, the coarse filter screen (12) is fixedly mounted on one side of the net frame (20), the fine filter screen (13) is fixedly mounted on the other side of the inner wall of the net frame (20), and the vibration motors (14) are fixedly mounted on the two sides of the top of the inner wall of the net frame (20).

2. The PHC pile sand-free vacuum preloading device according to claim 1, characterized in that: The sliding assembly comprises a sliding groove (9), a sliding strip (10) and a plurality of springs (11), the sliding groove (9) is formed in one side of the inner wall of the mounting frame (8), the sliding strip (10) is slidably connected to the inner wall of the sliding groove (9), and one side of the sliding strip (10) is fixedly connected to the net frame (20); the two sides of the sliding strip (10) are fixedly connected with the plurality of springs (11), and one end of each of the plurality of springs (11) is fixedly connected with the two sides of the inner wall of the sliding groove (9).

3. The PHC pile sand-free vacuum preloading device according to claim 1, characterized in that: The supporting assembly comprises a lower supporting ring (16), two perforations (17) and two insertion rods (18), the vacuum pipe (4) is clamped on the inner wall of the lower supporting ring (16), the two perforations (17) are formed in the two sides of the bottom of the lower supporting ring (16), and the insertion rods (18) are penetratingly connected to the inner walls of the two perforations (17).

4. The PHC pile sand-free vacuum preloading device according to claim 3, characterized in that: The upper limiting ring (15) is fixedly mounted on the top of the lower supporting ring (16) through bolts.

5. The PHC pile sand-free vacuum preloading device according to claim 3, characterized in that: The top end of the insertion rod (18) is fixedly connected with a pull ring (19).

6. The PHC pile sand-free vacuum preloading device of claim 1, wherein: The bottom of the vacuum pipe (4) is uniformly fixedly communicated with a plurality of branch pipes (5).

7. The PHC pile sand-free vacuum preloading device of claim 1, wherein: The water outlet end of the gas-liquid separation tank (3) is fixedly mounted with a water pump (6).

8. The PHC pile sand-free vacuum preloading device according to claim 7, characterized in that: The input end of the water pump (6) is communicated with the inside of the gas-liquid separation tank (3), and the output end of the water pump (6) is fixedly connected with a water outlet pipe (21).

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