CN218111239U - Water-soil stirring device for hole sealing - Google Patents

Abstract

The utility model provides a cement agitating unit for hole sealing, including staving and the agitator of setting bottom in the staving, the agitator passes through motor drive, the staving outer wall is equipped with time-recorder and consistency testing arrangement, consistency testing arrangement sets up the position near the staving bottom, consistency testing arrangement is including the test cup that is used for holding cement and the Cheng Jiangpen that sets up in test cup below, the test cup passes through pipeline and the inside intercommunication of staving, be provided with first valve on the pipeline, the top of test cup is uncovered, and the bottom is provided with the test hole that is used for measuring the cement consistency, the bottom of test cup still is provided with the detachable baffle, the baffle is used for the shutoff to test the hole. The stirring device can ensure the setting time of cement soil for controlling water and ensure that the cement soil slurry for sealing holes can still keep the flow-plastic state and certain slurry concentration beneficial to the filling work in the filling process on the premise of fully stirring, thereby improving the sealing quality.

Description

Water-soil stirring device for hole sealing

Technical Field

The utility model relates to a soil cement processing equipment technical field specifically is a cement agitating unit is used in hole sealing.

Background

The water conservancy project geology is a science for investigating, researching and solving geological problems related to various water conservancy and hydropower project buildings, is a branch of geology and belongs to the field of application geology. Geological drilling is an important technical means in geological exploration work. In the geological exploration process of water conservancy projects, particularly in the exploration process of foundations of hydraulic buildings such as embankments, water gates, pump stations and the like, in order to prevent dangerous situations such as seepage damage and foundation pit inrush and the like caused by piping generated by flood or underground confined water along a drill hole in the flood season, the drill hole needs to be plugged after drilling construction is completed. The existing drilling plugging process mainly adopts an air-dried clay ball to plug by a layered backfill method. However, the clay material source used for air-drying clay mud balls is increasingly tense, the manufacturing process is backward, the production efficiency is low, the situation of short supply and short demand often appears, and the production requirement is difficult to meet. In addition, years of hole sealing practices show that when special working conditions such as soft soil shrinkage and pressure-bearing water jacking are met, the clay ball is adopted to seal holes, so that drill holes are difficult to fill, phenomena such as overhead drill holes can be caused frequently, the quality of the drill holes is difficult to control, and hidden dangers are brought to flood prevention safety near the drill holes.

Aiming at the problems and the defects of the clay ball hole sealing process, a novel process for drilling and plugging by adopting cement soil slurry is researched at present in order to realize on-site rapid stirring and timely filling of the cement soil slurry. The process is a method for pumping cement-soil mixed slurry with a certain water-cement ratio into a borehole through a slurry pump to fill, consolidate and fill the borehole. Compared with clay ball plugging, the method has the characteristics of low cost, high efficiency, simple process, good plugging quality and the like, and the novel plugging process is currently in a popularization and application stage.

However, because the cement-soil slurry has the characteristics of flow plasticity, timeliness and the like, the traditional concrete stirring device cannot accurately control the setting time, is difficult to maintain the flow plasticity state and certain slurry concentration which are beneficial to the pouring work in the pouring process, and cannot meet the process requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cement agitating unit is used in hole sealing, this agitating unit can guarantee the hole sealing cement thick liquid under the prerequisite of intensive mixing to the setting time of accuse cement, still can keep having the flow that does benefit to the work of filling to mould state and certain thick liquid concentration filling the in-process.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cement agitating unit is used in hole sealing, includes staving and the agitator of setting bottom in the staving, the agitator passes through motor drive, its characterized in that, the staving outer wall is equipped with time-recorder and consistency testing arrangement, consistency testing arrangement sets up the position near the staving bottom, consistency testing arrangement is including the test cup that is used for holding cement and the Cheng Jiangpen that sets up in the test cup below, the test cup passes through pipeline and the inside intercommunication of staving, be provided with first valve on the pipeline, the top of test cup is uncovered, and the bottom is provided with the test hole that is used for measuring the cement consistency, the bottom of test cup still is provided with the detachable baffle, the baffle is used for the shutoff test hole, cheng Jiangpen is used for connecing the soil water that flows from the test hole, the diameter of test hole is 2-3mm, the height of test cup is 15-20cm.

Further, the number of the test holes is 15-30, and the test holes are uniformly arranged at the bottom of the test cup.

Furthermore, two parallel guide rods are arranged at the bottom of the test cup, a sliding groove is formed between each guide rod and the bottom of the test cup, and the baffle is arranged in the sliding groove.

Further, the agitator includes the pivot, sets up a plurality of blades on the pivot.

Further, part of the blades are provided with holes.

Further, be provided with the baffle in the staving, the baffle divide into staving and lower staving with the staving, the motor sets up in lower staving, the blade sets up in last staving bottom, the round hole has been seted up at baffle central authorities, the pivot stretches into staving and motor output shaft down through the round hole, the pivot sets up with the round hole inner wall of baffle is sealed, the baffle is used for preventing soil cement from getting into in the lower staving.

Furthermore, the rotating shaft and the inner wall of the circular hole of the partition plate are sealed in a mechanical sealing mode.

Furthermore, a second slurry outlet for discharging is formed in the bottom of the upper barrel body, and the second slurry outlet is connected with a second valve.

Further, agitating unit still includes the bung, the bung border is provided with a plurality of buckles, the bung includes first bung and the second bung that rotates through the hinge and connects, be equipped with the bolt on the first bung, the bolt is used for restricting the rotation of second bung, be provided with the latch hook that matches with the buckle on the staving.

Furthermore, reinforcing rib plates are arranged at the bottom and on the inner wall of the barrel body.

The utility model has the advantages that:

1. the utility model discloses a set up time-recorder and consistency testing arrangement, the staff of being convenient for carries out the accuse to the setting time of cement soil thick liquid to whether the consistency of cement soil thick liquid meets the requirements is confirmed to the state that flows through the test hole according to the cement soil thick liquid, makes the cement soil thick liquid can fill under good flow moulding state, has guaranteed the quality of assurance hole sealing.

2. The utility model discloses can utilize test cup and Cheng Jiangpen to carry out accurate measurement to the weight and the density of the cement soil thick liquid that stirs, further adjust for the consistency of cement soil thick liquid and provide the foundation.

3. The utility model discloses utilize the part to set up the blade in hole and stir soil cement, the blade that is equipped with the hole is favorable to mixing of local soil cement thick liquid, and the blade that does not establish the hole is favorable to the circulation stirring of whole soil cement thick liquid, has improved the processingquality of soil cement thick liquid.

4. The utility model discloses make full use of staving inner space through setting up the rack, places the rack in the staving, puts power cord, second valve, consistency testing arrangement or other instruments on the rack, portable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic structural view of the barrel cover of the present invention;

fig. 4 is a schematic view of the structure of the net rack of the present invention;

FIG. 5 is a schematic structural view of the upper barrel body of the present invention;

fig. 6 is a schematic structural diagram of the power cord of the present invention;

fig. 7 is a schematic structural diagram of the first valve of the present invention;

FIG. 8 is a schematic structural view of the stirrer of the present invention;

FIG. 9 is a schematic structural view of the lower barrel body of the present invention;

fig. 10 is a schematic structural view of the consistency testing device of the present invention;

reference numerals: the device comprises a barrel body 1, a barrel cover 2, a stirrer 3, a motor 4, a timer 5, a consistency testing device 6, a first valve 7, a testing cup 8, a testing hole 9, a baffle plate 10, a guide rod 11, a sliding groove 12, a first slurry outlet hole 13, a second slurry outlet hole 14, a slurry containing basin 15, blades 16, a second valve 17, a partition plate 18, an upper barrel body 19, a lower barrel body 20, a retaining ring 21, a hinge 22, a first barrel cover 23, a second barrel cover 24, a plug pin 25, a locking hook 26, a reinforcing rib plate 27, a control panel 28, a switch 29, a two-gear switch 30, a power socket 31, a power line 32, a cover plate 33, a net rack 34, a net piece 35 and a stand column 36.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The hole sealing cement soil is formed by mixing water, cement and expansive soil, the mixing proportion of the water, the cement and the expansive soil is determined by testing in advance according to different types of the used cement and the expansive soil, the cement and the expansive soil are weighed and mixed when used on site and then poured, and meanwhile, as cement soil slurry is gradually solidified from the mixing, the fluidity is gradually reduced, and the cement soil cannot be poured when not used in time, the time is controlled. Meanwhile, in order to achieve a good plugging effect, the density of the cement-soil slurry needs to be controlled and verified.

As shown in fig. 1 and 2, the cement stirring device for hole sealing comprises a circular barrel body 1, a partition plate 18 is arranged in the barrel body 1, the barrel body 1 is divided into an upper barrel body 19 and a lower barrel body 20 by the partition plate 18, the partition plate 18 is sealed with the bottom end of the upper barrel body 19 and the top end of the upper barrel body 20 through welding, and a circular hole is formed in the center of the partition plate 18. The upper cylinder 19 is used for containing cement soil.

And a first slurry outlet hole 13 and a second slurry outlet hole 14 are formed in the bottom of the barrel wall of the upper barrel body 19, and the second slurry outlet hole 14 is communicated with the outside through a second valve 17 and used for conveying the stirred cement-soil slurry into the pre-sealed hole.

Go up staving 19 outer wall and be provided with time-recorder 5 and consistency testing arrangement 6, consistency testing arrangement 6 includes first valve 7, tests cup 8, sets up at the flourishing thick liquid basin 15 of testing cup 8 below, test cup 8 passes through the pipeline and communicates with first play thick liquid hole 13, be provided with first valve 7 on the pipeline, the top of testing cup 8 is uncovered, and the bottom is provided with a plurality of test holes 9, the bottom of testing cup 8 still is provided with detachable baffle 10, baffle 10 is used for shutoff test hole 9, time-recorder 5 is used for holding and controlling the setting time of cement soil thick liquid, consistency testing arrangement 6 is used for through observing the condition that the cement soil thick liquid after the stirring passes through test hole 9, judges whether the consistency of thick liquid meets the requirements to control thick liquid concentration and flow plastic state, and then guarantee the quality of hole sealing Cheng Jiangpen is used for receiving the cement that flows out from test hole 9, can carry out the test of soil through measuring the quality of the water that flows out from test hole 9 in the unit interval.

In this embodiment, the test holes 9 are uniformly arranged at the bottom of the test cup 8, the distance is about 10mm, the aperture is 2-3mm, the number is 15-30, and the test holes 9 are uniformly arranged at the bottom of the test cup 8, specifically according to the type of cement soil, and the arrangement of the plurality of test holes 9 mainly prevents a small amount of particles in the slurry from blocking the test holes 9 and affecting the judgment result. The volume of the test cup 8 is 1-1.5L, the height is 15-20cm, and the diameter is 10cm.

In this embodiment, the first valve 7 and the second valve 17 are both ball valves, and the on-off is controlled by a handle.

Two parallel guide rods 11 are arranged at the bottom of the test cup 8, the cross section of each guide rod 11 is L-shaped, a sliding groove 12 is arranged between each guide rod 11 and the bottom of the test cup 8, and the baffle 10 can slide in the sliding groove 12.

Go up barrel 19 bottom and be provided with agitator 3, agitator 3 is used for stirring the soil cement in the barrel 19, agitator 3 passes through the drive of motor 4, agitator 3 includes the pivot, sets up at a plurality of epaxial blades 16.

In this embodiment, the plurality of blades 16 are uniformly and spirally arranged along the radial direction of the rotating shaft, some blades 16 are provided with holes, and the blades 16 provided with the holes are arranged at intervals with the blades 16 not provided with the holes; the holes are arranged on part of the stirring blades 16, which is beneficial to the mixing of local cement soil slurry, and the holes are not arranged on part of the stirring blades 16, which is beneficial to the circular stirring of the whole cement soil slurry. The rotating shaft is driven by a motor 4, and the motor 4 is arranged in the lower barrel body 20, so that the motor 4 and a circuit can be overhauled.

The rotating shaft extends into the lower barrel body 20 through the central round hole of the partition plate 18 and is connected with the output shaft of the motor 4, mechanical sealing is adopted between the rotating shaft and the inner wall of the round hole of the partition plate 18, and the partition plate 18 can prevent soil cement from entering the lower barrel body 20.

The stirring device further comprises a barrel cover 2, a plurality of retaining rings 21 are arranged on the edge of the barrel cover 2, the barrel cover 2 comprises a first barrel cover 23 and a second barrel cover 24 which are rotatably connected through a hinge 22, a bolt 25 is arranged on the first barrel cover 23, the bolt 25 is used for limiting the rotation of the second barrel cover 24, and a locking hook 26 matched with the retaining rings 21 is arranged on the barrel body 1.

Reinforcing rib plates 27 are arranged on the bottom and the inner wall of the barrel body 1 for reinforcing the rigidity of the barrel body 1, and in this embodiment, only the lower barrel body 20 is provided with the reinforcing rib plates 27.

The outer wall of the barrel body 1 is provided with a control panel 28, the control panel 28 is connected with the motor 4 through a wire, and is used for conveying electric power to the motor 4, the control panel 28 is provided with a switch 29, a two-gear switch 30 and a power socket 31, the switch 29 is used for opening and closing the control device, the switch 29 and the function of stepless speed regulation can be realized through rotation, the two-gear switch 30 can control the forward and reverse operation of the motor 4, further control the forward and reverse rotation of the stirring blade 16, the power socket 31 can be inserted into a power line 32 to access electric power, a cover plate 33 is further arranged on the surface of the control panel 28, and the control panel 28 can be covered when not in use.

The stirring device further comprises a net rack 34, wherein the net rack 34 comprises a net piece 35 and a stand column 36, one end of the stand column 36 is fixed with the net piece 35, and the other end of the stand column is placed on the partition plate 18. When the apparatus is used up, the rack 34 may be placed in the tub 1, and the power cord 32, the second valve 17, the consistency testing apparatus 6, or other tools may be placed on the rack 34 to make full use of the inner space.

The outer wall of the barrel body 1 is provided with four handles, so that the carrying device is convenient, the bottom of the barrel body 1 is provided with a plurality of support legs, and the phenomenon that surface water permeates into the lower barrel body 20 is avoided.

The utility model discloses a use method:

1. before use, the power line 32, the second valve 17 and the consistency testing device 6 are placed on the net rack 34 in the barrel body 1, when the machine is used, the power line 32, the second valve 17, the consistency testing device 6 and the net rack 34 are taken out, and then the power line 32, the second valve 17 and the consistency testing device 6 are respectively and correspondingly installed;

2. closing the first valve 7 and the second valve 17, putting the raw materials of the hole sealing cement soil into the upper barrel body 19 according to the corresponding sequence and proportion, and starting timing by pressing the timer 5;

3. a rotary switch 29 for adjusting the forward rotation and reverse rotation of the agitator 3 by a second-gear switch 30 as appropriate, and for adjusting the rotation speed by the switch 29 to agitate for a predetermined time, rotation speed and direction;

4. connecting a mud pump of the drilling machine with a second valve 17 in the stirring process, opening a first valve 7 after stirring is finished, allowing the stirred cement-soil slurry to enter a test cup 8, closing the first valve 7 after the cement-soil slurry is filled in the test cup 8, extracting a baffle 10, observing the leakage condition of cement-soil, and if the cement-soil slurry in a test hole 9 cannot leak due to tension, indicating that the consistency of the cement-soil is moderate and meets the requirement; if the cement slurry in the test hole 9 leaks, the slurry is too thin, technicians need to adjust the mixing proportion and add soil or cement; if the first valve 7 is opened, the cement soil slurry does not flow into the test cup 8, the cement soil slurry is too thick, and a proper amount of water is required to be added according to the situation;

for the case that the slurry is too thin, the consistency of the cement soil needs to be finely adjusted, the weight of the slurry containing basin 15 can be weighed in advance, timing is started while the baffle 10 is drawn out, the slurry containing basin 15 is removed after 10s, the weight of the cement soil in Cheng Jiangpen is weighed, and compared with the weight of the cement soil leaking in 10s under the standard condition, the proportion of the cement soil is further adjusted; because the volume and the total weight of the test cup 8 are fixed, the test cup 8 can be used for measuring the density of the slurry, the first valve 7 is closed after the test cup 8 is filled, the slurry in the test cup 8 is poured into Cheng Jiangpen, then the test cup 8 is taken down and placed into the slurry containing basin 15 to be weighed together (so as to prevent the slurry attached to the inner wall of the test cup 8 from influencing the test result), and then the cement-soil slurry in the volume and the total weight of the test cup 8 can be measured, so that the density of the cement-soil slurry can be calculated;

5. and after the cement soil slurry meets the requirements, the second valve 17 is opened to fill the cement soil slurry, and after the hole sealing operation is completed, the device is cleaned, and the net rack 34, the power line 32, the consistency testing device 6 and the second valve 17 are stored in the upper barrel body 19.

The foregoing shows and describes the general principles and principal structural features of the invention. The utility model discloses do not receive the restriction of above-mentioned example, under the prerequisite that does not depart from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a cement agitating unit for hole sealing, includes staving (1) and agitator (3) of setting bottom in staving (1), agitator (3) pass through motor (4) drive, its characterized in that, staving (1) outer wall is equipped with time-recorder (5) and consistency testing arrangement (6), consistency testing arrangement (6) set up the position near staving (1) bottom, consistency testing arrangement (6) are including being used for holding test cup (8) of soil cement and setting Cheng Jiangpen (15) in test cup (8) below, test cup (8) are through pipeline and staving (1) inside intercommunication, be provided with first valve (7) on the pipeline, the top of test cup (8) is uncovered, and the bottom is provided with test hole (9) that are used for measuring the soil cement consistency, the bottom of test cup (8) still is provided with detachable baffle (10), baffle (10) are used for shutoff hole (9), cheng Jiangpen z3262 (15) are used for connecing and get from test hole (9), test hole (9) the soil testing diameter of flowing out is 20 cm-15.

2. The cement stirring device for sealing holes as claimed in claim 1, wherein the test holes (9) are provided in an amount of 15-30 and uniformly arranged at the bottom of the test cup (8).

3. A cement mixing device for sealing holes according to claim 1, wherein the bottom of the test cup (8) is provided with two parallel guide rods (11), a chute (12) is provided between the guide rods (11) and the bottom of the test cup (8), and the baffle (10) is provided in the chute (12).

4. A cement stirring device for sealing holes according to any one of claims 1 to 3, wherein the stirrer (3) comprises a rotating shaft, a plurality of blades (16) provided on the rotating shaft.

5. A cement mixing apparatus for sealing holes as claimed in claim 4, wherein part of said blades (16) are provided with holes.

6. A cement stirring device for hole sealing according to claim 4, wherein a partition plate (18) is arranged in the barrel body (1), the barrel body (1) is divided into an upper barrel body (19) and a lower barrel body (20) by the partition plate (18), the motor (4) is arranged in the lower barrel body (20), the blade (16) is arranged at the bottom of the upper barrel body (19), a round hole is formed in the center of the partition plate (18), the rotating shaft extends into the lower barrel body (20) through the round hole and is connected with an output shaft of the motor (4), the rotating shaft is arranged in a sealing manner with the inner wall of the round hole of the partition plate (18), and the partition plate (18) is used for preventing cement from entering the lower barrel body (20).

7. A cement mixing device for sealing holes as claimed in claim 6, wherein the rotating shaft is sealed with the inner wall of the circular hole of the partition plate (18) by means of mechanical sealing.

8. The cement stirring device for sealing holes as claimed in claim 6, wherein the upper barrel (19) is provided at the bottom with a second slurry outlet (14) for discharging, and the second slurry outlet (14) is connected to the second valve (17).

9. A cement mixing device for hole sealing according to any one of claims 1 to 3, wherein the mixing device further comprises a barrel cover (2), a plurality of retaining rings (21) are arranged at the edge of the barrel cover (2), the barrel cover (2) comprises a first barrel cover (23) and a second barrel cover (24) which are rotatably connected through a hinge (22), a bolt (25) is arranged on the first barrel cover (23), the bolt (25) is used for limiting the rotation of the second barrel cover (24), and a locking hook (26) matched with the retaining rings (21) is arranged on the barrel body (1).

10. A cement mixing device for sealing holes according to any one of claims 1 to 3, wherein reinforcing ribs (27) are provided on the bottom and inner wall of the tub (1).

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