CN220246928U - Device for preventing slurry discharge hole of MJS pile machine from being blocked - Google Patents
Device for preventing slurry discharge hole of MJS pile machine from being blocked Download PDFInfo
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- CN220246928U CN220246928U CN202322022630.6U CN202322022630U CN220246928U CN 220246928 U CN220246928 U CN 220246928U CN 202322022630 U CN202322022630 U CN 202322022630U CN 220246928 U CN220246928 U CN 220246928U
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- filter screen
- density filter
- mjs
- pile machine
- preventing
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- 239000002002 slurry Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000005507 spraying Methods 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a device for preventing a slurry discharging hole of an MJS pile machine from being blocked, which comprises a filtering unit and a high-pressure water spraying unit; the filtering unit comprises a group of filter screens which are fixed at the slurry discharging port of the MJS pile machine through bolts; the high-pressure water spraying unit is arranged inside the MJS pile machine, one end of the high-pressure water spraying unit is connected with an external water source, and the water outlet at the other end of the high-pressure water spraying unit is arranged at the slurry discharging port. The device can select filter screens with different densities according to soil conditions or use different filter screens according to different construction conditions. The high-pressure water spraying unit can spray high-pressure water to disperse mud blocks, so that the effect of preventing the slurry discharging holes of the MJS pile machine from being blocked is achieved. The device effectively reduces the occurrence of construction faults such as drill rod blockage, overlarge pressure in the ground, sudden surge of an orifice and the like, and improves the reliability and safety of the MJS pile machine in construction.
Description
Technical Field
The utility model belongs to the technical field of underground space and foundation reinforcement, and particularly relates to a device for preventing slurry discharge holes of an MJS pile machine from being blocked.
Background
The MJS construction method has the remarkable advantages of large pile forming diameter, good pile body quality, large disturbance to surrounding stratum, small slurry pollution, low clearance and the like, and is widely applied to various projects at present, such as foundation treatment, treatment of leakage and quality problems of foundation pit enclosure and water-stop curtains, water seepage of basement structure outer walls, emergency rescue and the like, and plays an immeasurable role. However, in the existing MJS pile machine, a mud valve is easy to have stones and mud blocks to enter in the actual construction process, so that the mud valve is blocked, the pressure in the ground is increased, the pile forming quality and the construction progress are further affected, and the upper structure is raised.
Disclosure of Invention
The utility model aims to: the utility model aims to solve the technical problem of overcoming the defects of the prior art, provides a device for preventing a slurry discharge hole of an MJS pile machine from being blocked, and solves the problems that stone and mud easily enter the slurry discharge hole in the existing MJS guiding and spraying process, so that the slurry discharge hole is blocked, and further the pile forming quality and construction progress are affected.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a device for preventing a slurry discharging hole of an MJS pile machine from being blocked comprises a filtering unit and a high-pressure water spraying unit; the filtering unit comprises a group of filter screens which are fixed at the slurry discharging port of the MJS pile machine through bolts; the high-pressure water spraying unit is arranged inside the MJS pile machine, one end of the high-pressure water spraying unit is connected with an external water source, and the water outlet at the other end of the high-pressure water spraying unit is arranged at the slurry discharging port.
Specifically, the filter screen comprises a low-density filter screen, a medium-density filter screen and a high-density filter screen; the low-density filter screen, the medium-density filter screen and the high-density filter screen are sequentially covered at the slurry discharge port from inside to outside.
Specifically, the low-density filter screen, the medium-density filter screen and the high-density filter screen are fixedly arranged in the filter box through a group of penetrating bolts, and the filter box is arranged outside the slurry discharge port.
Specifically, a through channel is arranged in the middle of the filter box corresponding to the slurry discharge port, and mounting grooves for mounting a low-density filter screen, a medium-density filter screen and a high-density filter screen are respectively arranged on the inner wall of the through channel; the low-density filter screen, the medium-density filter screen and the high-density filter screen are respectively detachably inserted into the corresponding mounting grooves and are fixed through bolts.
Further, compression springs are arranged in the mounting grooves, the bolts sequentially penetrate through the springs in the mounting grooves, and the filter screens are pressed in the mounting grooves through resilience force of the compression springs, so that the filter screens are fixed in the filter box.
Further, the filter box is arranged at the slurry outlet through an opening steel wire sleeve; the open steel wire sleeve is fixedly sleeved on the outer tube of the MJS pile machine, and the opening of the open steel wire sleeve corresponds to the slurry discharge port; the filter box is fixedly connected with the opening steel wire sleeve through bolts.
Further, the bolts sequentially pass through the high-density filter screen, the medium-density filter screen and the low-density filter screen from outside to inside and are fixed on the opening steel wire sleeve through threads.
Specifically, the high-pressure water spraying unit comprises a water conduit and a controller; the outer end of the water diversion pipe is connected with an external water source through a controller, and the inner end of the water diversion pipe is arranged at the slurry discharge port.
Specifically, the high-pressure water spraying unit also comprises a pressure sensor, wherein the pressure sensor is arranged at the pulp discharging port and is connected with the controller through a signal wire.
Specifically, the mesh size of the low-density filter screen is 3.5cm; the mesh size of the medium-density filter screen is 2.5cm; the mesh particle size of the high-density filter screen is 1.5cm.
The beneficial effects are that:
the device can select filter screens with different densities according to soil conditions or use different filter screens according to different construction conditions. During the use process, the MJS pile machine can amplify the vibration effect in the continuous vibration process, shake off mud attached to the filter screen, and ensure that the filter screen smoothly discharges mud without being blocked; the pressure sensor of the high-pressure water spraying unit can also monitor the pressure state in the pile machine main body, if the pressure transmitted back to the controller reaches a critical value, the high-pressure water spraying unit can spray high-pressure water to disperse mud blocks, and then the effect of preventing the slurry discharging holes of the MJS pile machine from being blocked is achieved. The device effectively reduces the occurrence of construction faults such as drill rod blockage, overlarge pressure in the ground, sudden surge of an orifice and the like, and improves the reliability and safety of the MJS pile machine in construction.
Drawings
The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.
Fig. 1 is a schematic view of the overall structure of the device of the present utility model.
FIG. 2 is a schematic diagram of the structure at the discharge port of the MJS pile engine.
Fig. 3 is a front view of the filter unit.
Fig. 4 is a schematic cross-sectional structure of the filter unit.
FIG. 5 is a schematic view of the installation of an open wire sleeve on an MJS pile machine.
FIG. 6 is a schematic view of the filter unit installed on the MJS pile machine through a wire sleeve.
Wherein each reference numeral represents:
1-a low-density filter screen; 2-a medium-density filter screen; 3-a high-density filter screen; 4-bolts; 5-compressing a spring; 6-a filter box; 7-a filtration unit; 8-a slurry discharge port; 9-MJS piling machine; 10-opening a steel wire sleeve; 11-a mud pit; 12-a high-pressure water spraying unit; 13-a penstock; 14-a controller; 15-a pressure sensor; 16-through channels; 17-mounting groove.
Detailed Description
The utility model will be better understood from the following examples.
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the disclosure of the present utility model, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the terms of modification, variation of proportions, or adjustment of sizes, without affecting the efficacy or achievement of the present utility model, should be understood as falling within the scope of the present utility model. Also, the terms such as "upper", "lower", "front", "rear", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
As shown in fig. 1 and 2, the device of the utility model is used for preventing the slurry discharging holes of the MJS pile driver from being blocked and comprises a filtering unit 7 and a high-pressure water spraying unit 12; the filter unit 7 comprises a group of filter screens which are fixed at a slurry outlet 8 of the MJS pile machine 9 through bolts 4; the high-pressure water spraying unit 12 is arranged inside the MJS pile driver 9, one end of the high-pressure water spraying unit is connected with an external water source, and the water outlet of the other end of the high-pressure water spraying unit is arranged at the pulp discharging port 8. The function of the screen is to avoid clogging of the discharge opening 8 caused by external mud back flow. The high-pressure water spraying unit is used for dredging as soon as possible through high-pressure water spraying when blockage possibly occurs.
As shown in fig. 3 and 4, the filter screen includes a low-density filter screen 1, a medium-density filter screen 2, and a high-density filter screen 3; the low-density filter screen 1, the medium-density filter screen 2 and the high-density filter screen 3 are sequentially covered at the slurry discharge port 8 from inside to outside.
The low-density filter screen 1, the medium-density filter screen 2 and the high-density filter screen 3 are fixedly arranged in the filter box 6 through a group of penetrating bolts 4, and the filter box 6 is arranged outside the slurry discharging port 8.
The middle part of the filter box 6 is provided with a through channel 16 corresponding to the slurry discharge port 8, and the inner wall of the through channel 16 is respectively provided with a mounting groove 17 for mounting the low-density filter screen 1, the medium-density filter screen 2 and the high-density filter screen 3; the low-density filter screen 1, the medium-density filter screen 2 and the high-density filter screen 3 are respectively detachably inserted into the corresponding mounting grooves 17 and are fixed through bolts 4, so that the filter screens with proper apertures can be selected and replaced according to the needs.
Wherein, the mesh particle size of the low-density filter screen 1 is 3.5cm; the mesh particle size of the medium-density filter screen 2 is 2.5cm; the mesh particle size of the high-density filter screen 3 is 1.5cm.
The installation groove 17 is internally provided with a compression spring 5, the bolts 4 sequentially penetrate through the springs 5 in the installation grooves 17, and the filter screens are pressed in the installation grooves 17 through the resilience force of the compression springs 5, so that the filter screens are fixed in the filter box 6. The vibration effect of the MJS pile machine can be amplified through the springs, mud attached to the filter screen can be shaken off, and smooth mud discharge of the filter screen is ensured not to be blocked.
As shown in fig. 5 and 6, the filter box 6 is installed at the pulp discharge port 8 through an open wire sleeve 10; the open steel wire sleeve 10 is fixedly sleeved on the outer tube of the MJS pile machine 9, and the opening of the open steel wire sleeve corresponds to the slurry outlet 8; the filter box 6 is fixedly connected with the opening steel wire sleeve 10 through the bolt 4.
The bolts 4 pass through the high-density filter screen 3, the medium-density filter screen 2 and the low-density filter screen 1 in sequence from outside to inside and are fixed on the opening steel wire sleeve 10 through threads. The filter box 6 can thus be installed directly at the mud discharge port 8 through the split wire sleeve 10, avoiding the need to punch holes in the MJS pile machine 9 for direct installation of the filter box 6.
Referring to fig. 1, the high pressure water spray unit 12 includes a water conduit 13 and a controller 14; the outer end of the water diversion pipe 13 is connected with an external water source through a controller 14, and the inner end is arranged at the pulp discharge port 8. The controller controls the water pipe to be opened and closed.
The high-pressure water spraying unit 12 further comprises a pressure sensor 15, wherein the pressure sensor 15 is arranged at the pulp discharging port 8 and is connected with the controller 14 through a signal wire. The data of the pressure sensor 15 can be transmitted to the controller 14 as a signal for switching the controller 14.
The controller 14 sets a pressure critical value, and when the pressure reaches the critical value, the controller 14 automatically opens the water pipe to spray water; when the pressure is lower than the critical value, the water pipe is kept in a closed state. When the mud in the pile driver body is difficult to discharge, namely the pressure is increased, the pressure sensor 15 transmits the pressure data to the controller 14, and when the pressure reaches a critical value, the controller 14 automatically opens the water pipe, and the high-pressure water spraying unit can spray water to dredge the mud discharge port 8.
The slurry outlet 8 is connected with a slurry pool 11 through a pipeline, and the slurry pool 11 and the drilling holes form a liquid circulation system. The mud discharged from the mud discharge port 8 flows back to the pile machine body 9, and the mud is stored in the mud pit 11.
When the device is used, the filter screens with different densities can be selected according to soil conditions, or different filter screens can be used in combination according to different construction conditions. The high-density filter screen 3 can be used when encountering clay, the medium-density filter screen 2 can be used when encountering sand, and the high-density filter screen 3 and the medium-density filter screen 2 can be used simultaneously when encountering sand-powder.
The mud is left to the mud discharging port 8 through the pile machine main body 9, and then flows out into the soil body to form piles, meanwhile, the mud discharging port 8 is easily plugged after the soil in the soil body is mixed with water discharged by the MJS pile machine, after the device is installed, along with the running of the MJS pile machine main body 9, the MJS pile can continuously vibrate, the spring 5 below the filter screen plays a role in amplifying vibration effect, the mud inside and outside the filter screen is shaken off, the mud outside the MJS pile machine is prevented from blocking the mud discharging port 8 while the mud can be smoothly discharged from the MJS pile machine. Meanwhile, the high-pressure water spraying unit 12 can monitor the pressure condition inside the pile driver main body 9, when the pressure reaches a set critical value, the high-pressure water spraying unit 12 can spray high-pressure water at the position of the slurry discharge port 8 to disperse mud blocks, so that the mud is prevented from being difficult to discharge, and the effect of preventing the slurry discharge port 8 of the MJS pile driver from being blocked is further achieved.
The utility model provides a device and a method for preventing the slurry discharging hole of an MJS pile machine from being blocked, and the method and the way for realizing the technical scheme are numerous, the above description is only a preferred embodiment of the utility model, and it should be pointed out that a plurality of improvements and modifications can be made to a person of ordinary skill in the art without departing from the principle of the utility model, and the improvements and the modifications are also regarded as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.
Claims (10)
1. A device for preventing the blockage of a slurry discharging hole of an MJS pile machine, which is characterized by comprising a filtering unit (7) and a high-pressure water spraying unit (12); the filtering unit (7) comprises a group of filter screens, and is fixed at a slurry outlet (8) of the MJS pile driver (9) through bolts (4); the high-pressure water spraying unit (12) is arranged inside the MJS pile driver (9), one end of the high-pressure water spraying unit is connected with an external water source, and the water outlet of the other end of the high-pressure water spraying unit is arranged at the pulp discharging port (8).
2. The device for preventing the blockage of the mud holes of the MJS pile driver according to claim 1, wherein the filter screen comprises a low-density filter screen (1), a medium-density filter screen (2) and a high-density filter screen (3); the low-density filter screen (1), the medium-density filter screen (2) and the high-density filter screen (3) are sequentially covered at the pulp discharge port (8) from inside to outside.
3. The device for preventing the blockage of the mud holes of the MJS pile machine according to claim 2, wherein the low-density filter screen (1), the medium-density filter screen (2) and the high-density filter screen (3) are fixedly arranged in a filter box (6) through a group of through bolts (4), and the filter box (6) is arranged outside the mud hole (8).
4. The device for preventing the blockage of the slurry discharging hole of the MJS pile machine according to claim 3, wherein a through channel (16) is arranged in the middle of the filter box (6) corresponding to the slurry discharging hole (8), and the inner wall of the through channel (16) is respectively provided with a mounting groove (17) for mounting the low-density filter screen (1), the medium-density filter screen (2) and the high-density filter screen (3); the low-density filter screen (1), the medium-density filter screen (2) and the high-density filter screen (3) are respectively detachably inserted into the corresponding mounting grooves (17) and are fixed through bolts (4).
5. The device for preventing the slurry discharging hole of the MJS pile machine from being blocked according to claim 4, wherein a compression spring (5) is arranged in each mounting groove (17), the bolts (4) sequentially penetrate through the springs (5) in each mounting groove (17), and the filter screens are pressed in the mounting grooves (17) through the resilience force of the compression springs (5), so that the filter screens are fixed in the filter box (6).
6. The device for preventing the blockage of the mud discharging hole of the MJS pile machine according to claim 3, wherein the filter box (6) is arranged at the mud discharging hole (8) through an opening steel wire sleeve (10); the open steel wire sleeve (10) is fixedly sleeved on the outer tube of the MJS pile machine (9), and the opening of the open steel wire sleeve corresponds to the slurry outlet (8); the filter box (6) is fixedly connected with the opening steel wire sleeve (10) through the bolt (4).
7. The device for preventing the blockage of the mud holes of the MJS pile machine as set forth in claim 6, wherein the bolts (4) are fixed on the open steel wire sleeve (10) through threads after sequentially passing through the high-density filter screen (3), the medium-density filter screen (2) and the low-density filter screen (1) from outside to inside.
8. The apparatus for preventing clogging of an MJS pile driver slurry discharge hole as set forth in claim 1, characterized in that said high pressure water spray unit (12) includes a water conduit (13) and a controller (14); the outer end of the water diversion pipe (13) is connected with an external water source through a controller (14), and the inner end of the water diversion pipe is arranged at the slurry discharge port (8).
9. The device for preventing the blockage of a mud hole of an MJS pile machine according to claim 8, wherein the high pressure water spray unit (12) further comprises a pressure sensor (15), and the pressure sensor (15) is arranged at the mud hole (8) and is connected with the controller (14) through a signal wire.
10. The device for preventing the blockage of the mud holes of the MJS pile driver, as set forth in claim 2, wherein the mesh size of the low-density filter screen (1) is 3.5cm; the mesh particle size of the medium-density filter screen (2) is 2.5cm; the mesh particle size of the high-density filter screen (3) is 1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322022630.6U CN220246928U (en) | 2023-07-31 | 2023-07-31 | Device for preventing slurry discharge hole of MJS pile machine from being blocked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322022630.6U CN220246928U (en) | 2023-07-31 | 2023-07-31 | Device for preventing slurry discharge hole of MJS pile machine from being blocked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220246928U true CN220246928U (en) | 2023-12-26 |
Family
ID=89227609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322022630.6U Active CN220246928U (en) | 2023-07-31 | 2023-07-31 | Device for preventing slurry discharge hole of MJS pile machine from being blocked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220246928U (en) |
-
2023
- 2023-07-31 CN CN202322022630.6U patent/CN220246928U/en active Active
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