CN112227358B

CN112227358B - Cement amount control device for cement mixing pile

Info

Publication number: CN112227358B
Application number: CN202011119244.3A
Authority: CN
Inventors: 芮佳平
Original assignee: Huzhou Santong Water Conservancy Construction Co ltd
Current assignee: Huzhou Santong Water Conservancy Construction Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2022-03-11
Anticipated expiration: 2040-10-19
Also published as: CN112227358A

Abstract

The utility model relates to a cement soil mixing pile grout quantity controlling means, which comprises a bracket, set up on the support and carry out the agitator that stirs for the raw materials and give the reinforced feeding device of agitator, the agitator bottom is provided with down the feed cylinder, be provided with quantitative output device on the feed cylinder down, quantitative output device is including setting up just seal in the feed cylinder down feed cylinder open-ended control panel down, be fixed with on the feed cylinder down and drive actuating cylinder, it is connected with the actuating lever on the actuating cylinder connecting rod to drive, the actuating lever is fixed the lower surface of control panel, be provided with in the feed cylinder of control panel below can the ration board that slides in the feed cylinder down, be provided with the drive on the feed cylinder down the ration board is in the actuating mechanism that slides in the feed cylinder down, feed cylinder below lateral wall is provided with the play feed cylinder that makes mud flow out down. This application has the effect that can quantitative control unloading mud volume.

Description

Cement amount control device for cement mixing pile

Technical Field

The application relates to the field of building construction, in particular to a cement slurry dosage control device for a cement-soil mixing pile.

Background

A cement-soil mixing pile is used to reinforce the saturated soft clay foundation, and features that cement is used as solidifying agent, the deep soft soil and solidifying agent are forcibly mixed by special mixing machine, and the solidified agent and soft soil are chemically and physically reacted to form a high-quality foundation with integrity, water stability and strength. The cement paste pressed into the soft soil is forcibly mixed with the surrounding soft soil by a rotary stirring blade to form a cement reinforcing body.

Chinese patent publication No. CN101417476A discloses a cement mixer for performing a grouting operation on a corrugated pipe hole reserved after the tension of a steel bar in a reinforced concrete structure is completed. The mixer mainly comprises a mixing drum, wherein a motor and a slurry outlet are arranged on the mixing drum, the motor is connected with a vertical shaft in the mixing drum, a group of mixing blades are arranged on the vertical shaft, and two groups of mixing blades are arranged on the vertical shaft.

In view of the above-mentioned related art, the inventors of the present invention have considered that the apparatus of the above application can stir concrete, but has a drawback that it is difficult to quantitatively output a specified amount of slurry volume.

Disclosure of Invention

In order to control the volume of mud unloading, this application provides a soil cement mixing pile grout quantity controlling means.

The application provides a pair of cement soil mixing pile grout quantity control device adopts following technical scheme:

the utility model provides a soil cement mixing pile grout quantity controlling means, includes the support, set up on the support and carry out the agitator that stirs for the raw materials and give the reinforced feeding device of agitator, the agitator bottom is provided with down the feed cylinder, be provided with quantitative output device on the feed cylinder down, quantitative output device is including setting up just seal in the feed cylinder down feed cylinder open-ended control panel down, be fixed with on the feed cylinder down and drive actuating cylinder, it is connected with the actuating lever on the actuating cylinder connecting rod to drive actuating lever, the actuating lever is fixed the lower surface of control panel, be provided with in the feed cylinder of control panel below can the ration board that slides in the feed cylinder down, be provided with the drive on the feed cylinder down the ration board is in the actuating mechanism that slides in the feed cylinder down, feed cylinder below lateral wall is provided with the play feed cylinder that makes the grout flow out down.

Through adopting above-mentioned technical scheme, add water and cement in giving the agitator through feeding device, water and cement stirring in the agitator, mud quantity as required, act on the ration board, make the ration board slide in the feed cylinder down, make the volume that forms between ration board and the control panel be the quantity of required mud promptly, drive the extension of actuating cylinder connecting rod, make control panel upward movement, mud flows into in the feed cylinder, the feed cylinder above the ration board is full of to mud, act on and drive actuating cylinder, make the control panel downstream, and seal the opening of feed cylinder top, act on the ration board, make the ration board downstream, mud in the feed cylinder is discharged in following the feed cylinder down.

Preferably, the inner wall of the discharging barrel is integrally formed with a driving groove parallel to the axis of the discharging barrel, and the driving rod is slidably clamped in the driving groove.

Through adopting above-mentioned technical scheme, the joint that the actuating lever slided makes the control panel motion more smooth in the drive inslot, prevents simultaneously because of the actuating lever overlength rupture.

Preferably, actuating mechanism is including fixing the driving motor at feed cylinder lower extreme down, be fixed with in the driving motor pivot with the coaxial drive lead screw of feed cylinder down, the drive lead screw runs through ration board and threaded connection are in on the ration board, feed cylinder inner wall is fixed with to run through down the ration board just prevents ration board pivoted locating lever, the flexible subassembly that prevents that grout from entering into on the drive lead screw has been cup jointed on the drive lead screw.

Through adopting above-mentioned technical scheme, driving motor drives the drive lead screw and rotates, under the effect of locating lever, makes the ration board slide in the feed cylinder down to the volume of feed cylinder down between control ration board and the control panel.

Preferably, flexible subassembly includes a plurality of telescopic cylinder that cup joint together, and the inner wall that is located the telescopic cylinder in the outside has been seted up along the axial and has been run through to the groove that slides of telescopic cylinder up end is located inboard telescopic cylinder upper end outer wall and is fixed with the joint that slides and be in slide the sliding block of inslot, the telescopic cylinder fixed connection that is located the lower extreme on the graduated flask, the telescopic cylinder up end that is located the upper end is fixed with the connection pad of seal port, the connection pad rotates to be connected drive lead screw upper end.

Through adopting above-mentioned technical scheme, the in-process that the ration board slided in the lower feed cylinder, the sliding block slides in the inslot that slides to control the total length between a plurality of telescopic cylinders, the setting of telescopic cylinder prevents that mud from entering into the screw thread of drive lead screw in, leads to the unable removal of ration board.

Preferably, the upper end surface of the lower feed cylinder is provided with an arc-shaped opening with the diameter gradually increasing upwards, the side wall of the control plate is an arc-shaped veneering with the diameter gradually decreasing downwards and matched with the arc-shaped opening, and the upper surface of the control plate upwards arches a conical structure.

Through adopting above-mentioned technical scheme, the open-ended setting of arc is convenient for in the mud flows into the feed cylinder, and the setting up of arc wainscot makes smooth downstream of control panel ability and seals feed cylinder upper end opening simultaneously, and the setting up of circular cone structure reduces mud and piles up at the control panel upper surface.

Preferably, the lower feed cylinder is located at the center of the stirring barrel, and the bottom of the stirring barrel is of an arc surface structure enabling cement paste to converge towards the center of the lower feed cylinder.

Through adopting above-mentioned technical scheme, the agitator bottom surface becomes the arc structure, makes the opening of mud ability smooth through feed cylinder top enter into in the feed cylinder.

Preferably, an openable barrel cover is arranged above the stirring barrel, a stirring motor is arranged on the barrel cover, a stirring shaft penetrating through the barrel cover is fixed on an output shaft of the stirring motor, and a main stirring blade for stirring is fixed on the stirring shaft.

Through adopting above-mentioned technical scheme, driving motor starts, makes main stirring vane stir the mud in the agitator evenly.

Preferably, the main stirring blade is of a spiral structure, the stirring shaft is abutted to the auxiliary stirring blade on the inner wall of the stirring barrel, and the upper surface of the control plate is rotatably connected with an auxiliary stirring assembly connected with the lower end face of the stirring shaft.

Through adopting above-mentioned technical scheme, main stirring vane can send mud to the top of agitator from the bottom at the in-process of stirring, makes mud can move on vertical direction, and vice stirring vane increases the area of using on mud, makes the stirring more abundant.

Preferably, supplementary stirring subassembly is including fixing the rolling ball of control panel upper surface, coaxial mounting groove has been seted up to the (mixing) shaft lower extreme, the sliding is provided with the connecting rod in the mounting groove, the connecting rod lower extreme is fixed with the connecting block, the rolling ball rotates to be connected on the connecting block, be fixed with on the connecting block and carry out the supplementary blade of stirring to the grout, be fixed with on the connecting rod and prevent connecting rod pivoted locating part.

Through adopting above-mentioned technical scheme, the (mixing) shaft drives the connecting rod and rotates, makes the auxiliary vane who fixes on the connecting rod stir the mud of agitator bottom, makes more abundant of mud stirring.

Preferably, a limiting groove is vertically formed in the inner wall of the mounting groove, and the limiting part is a limiting block which is slidably clamped in the limiting groove.

Through adopting above-mentioned technical scheme, the stopper joint is at the spacing inslot, makes the connecting rod rotate along with the (mixing) shaft together.

In summary, the present application includes at least one of the following beneficial technical effects:

1. acting on the quantitative plate according to the required mud amount to enable the quantitative plate to slide in the discharging barrel, enabling the volume formed between the quantitative plate and the control plate to be the required mud amount, driving the connecting rod of the air cylinder to extend to enable the control plate to move upwards, enabling the discharging barrel to be filled with mud, enabling the control plate to move downwards, sealing an opening above the discharging barrel, acting on the quantitative plate to enable the quantitative plate to move downwards, and enabling the mud in the discharging barrel to be discharged from the discharging barrel;

2. the stirring shaft drives the connecting rod to rotate, so that the auxiliary blade connected to the connecting rod can stir the slurry at the bottom of the stirring barrel.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the mixing tank according to the embodiment of the present application.

Fig. 3 is an exploded view of a telescoping assembly according to an embodiment of the present application.

Fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 2 in an embodiment of the present application.

Description of reference numerals: 1. a support; 2. a stirring barrel; 3. a feed inlet; 4. a stirring motor; 5. a stirring shaft; 6. a main stirring blade; 7. feeding the material barrel; 8. a discharging barrel; 9. a control panel; 10. a driving cylinder; 11. a drive rod; 12. a drive slot; 13. a quantitative plate; 14. a drive motor; 15. driving a lead screw; 16. positioning a rod; 17. a telescopic cylinder; 18. a sliding groove; 19. a sliding block; 20. a connecting disc; 21. an auxiliary stirring blade; 22. mounting grooves; 23. rotating the ball; 24. a connecting rod; 25. connecting blocks; 26. a limiting groove; 27. a limiting block; 28. an auxiliary blade; 29. feeding a material barrel; 30. a feeding motor; 31. a helical blade; 32. feeding a hopper; 33. feeding a hopper; 34. a water supply pipe; 35. a water pump; 36. and a barrel cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a cement soil mixing pile cement paste amount control device. Referring to fig. 1 and 2, a cement slurry dosage control device for a cement soil mixing pile comprises a bracket 1, a mixing barrel 2 with an upper opening and a feeding device for feeding the mixing barrel 2 are fixed on the bracket 1, the feeding device comprises a feeding mechanism for conveying cement and a water feeding mechanism for feeding water, a barrel cover 36 for covering the upper opening of the mixing barrel 2 is fixed above the mixing barrel 2, a feed inlet 3 which penetrates through the barrel cover 36 and is used for feeding cement and water is vertically arranged on the barrel cover 36, a mixing motor 4 is fixed on the upper surface of the barrel cover 36, a mixing shaft 5 which penetrates through the upper surface and the lower surface of the barrel cover 36 is fixed on an output shaft of the mixing motor 4, a main mixing blade 6 for mixing slurry is fixed on the mixing shaft 5, a discharge barrel 7 which is communicated with the inside of the mixing barrel 2 is fixed below the mixing barrel 2, the discharge barrel 7 is located at the center position of the bottom of the mixing barrel 2, the bottom of the mixing barrel 2 is of a cambered surface structure which inclines downwards towards the position of the discharge barrel 7, the slurry can be better collected to the position of the feed opening and flows into the feed cylinder 7, and a discharge cylinder 8 which enables the slurry to flow out of the feed cylinder 7 is arranged below the feed cylinder 7.

Referring to fig. 1 and 2, a quantitative output device is arranged on the lower charging barrel 7, the quantitative output device comprises a control plate 9 which is arranged at an opening position at the upper end of the lower charging barrel 7 in a sliding manner and used for controlling the opening position of the lower charging barrel 7 to be opened and closed, a closing mechanism is arranged below the lower charging barrel 7, a driving cylinder 10 is fixed at the bottom of the lower charging barrel 7, a driving rod 11 parallel to the axis of the lower charging barrel 7 is fixed on a connecting rod of the driving cylinder 10, a driving groove 12 used for slidably clamping the driving rod 11 is formed in the inner wall of the lower charging barrel 7, one end of the driving rod 11 is fixed on the driving cylinder 10, and the other end of the driving rod 11 is fixed on the lower surface of the control plate 9. A quantitative plate 13 which can slide in the lower charging barrel 7 is arranged in the lower charging barrel 7 below the control plate 9, the side wall of the quantitative plate 13 is abutted against the inner wall of the lower charging barrel 7 to prevent mud from passing between the lower charging barrel 7 and the quantitative plate 13, and the upper surface of the quantitative plate 13 is inclined downwards towards the position of the discharging barrel 8. A driving motor 14 is fixed at the central position of the lower surface of the lower charging barrel 7, a driving screw 15 which penetrates through the lower surface of the lower charging barrel 7 and is coaxial with the lower charging barrel 7 is fixed on an output shaft of the driving motor 14, a quantitative plate 13 is in threaded connection with the driving screw 15, a positioning rod 16 which penetrates through the quantitative plate 13 and prevents the quantitative plate 13 from rotating in the movement process is fixed on the inner wall of the lower charging barrel 7, and the positioning rod 16 is parallel to the driving screw 15.

Referring to fig. 2 and 3, a telescopic assembly for preventing slurry from entering the screw thread of the driving screw 15 is sleeved on the driving screw 15, the telescopic assembly comprises a plurality of telescopic cylinders 17 which are sleeved together, the telescopic cylinder 17 positioned above is sleeved on the outer wall of the telescopic cylinder 17 positioned below, a plurality of sliding grooves 18 are formed in the inner wall of the telescopic cylinder 17 positioned outside along the height direction, the sliding grooves 18 penetrate through the upper end face of the telescopic cylinder 17, sliding blocks 19 which are slidably clamped in the corresponding sliding grooves 18 are fixed on the outer wall of the telescopic cylinder 17 positioned on the inner side, the sliding blocks 19 are positioned on the outer wall of the upper end of the telescopic cylinder 17, the lower port of the telescopic cylinder 17 positioned on the lowest side is fixed on the upper end face of the metering plate 13, a connecting plate 20 which covers the upper end opening of the telescopic cylinder 17 is fixed on the upper end face of the telescopic cylinder 17 positioned on the highest side, and the upper end face of the driving screw 15 is rotatably connected on the lower end face of the connecting plate 20.

Referring to fig. 1 and 2, an arc opening with a diameter gradually increasing upwards is arranged on the upper end face of the lower charging barrel 7, so that the slurry flowing process is smoother, the side wall of the control plate 9 is an arc facing surface with a diameter gradually decreasing from top to bottom, and the arc facing surface is matched with the arc opening, so that the control plate 9 can smoothly move downwards and the opening at the upper end of the lower charging barrel 7 is closed. The upper surface of the control plate 9 is in an upwardly arched conical structure, and the diameter of the cone is gradually increased from top to bottom.

Referring to fig. 2 and 4, the main stirring blade 6 has a spiral structure so that slurry can be transported in the vertical direction, and an auxiliary stirring blade 21 which is perpendicular to the stirring shaft 5 and abuts against the inner wall of the stirring barrel 2 is fixed to the stirring shaft 5. The lower end surface of the stirring shaft 5 is provided with an installation groove 22 which is coaxial with the stirring shaft 5 along the axial direction of the stirring shaft 5, a stirring component for stirring the mud at the bottom of the stirring barrel 2 is arranged in the mounting groove 22, the stirring component comprises a rotating ball 23 fixed at the vertex position of a cone on the upper surface of the control plate 9, a connecting rod 24 which is arranged in the mounting groove 22 in a sliding way and moves in the vertical direction, a connecting block 25 for clamping the rotating ball 23 is fixed at the lower end of the connecting rod 24, the connecting block 25 is in ball hinge joint with the rotating ball 23, a limiting groove 26 communicated with the mounting groove 22 is arranged on the lower end surface of the stirring shaft 5 along the axial direction of the stirring shaft 5, a limiting part which is slidably clamped on the connecting rod 24 and enables the connecting rod 24 and the stirring shaft 5 to synchronously rotate is fixed on the connecting rod 24, the limiting part is a limiting block 27 fixed on the outer wall of the upper end of the connecting rod 24, an auxiliary blade 28 for stirring the slurry at the bottom of the stirring barrel 2 is fixed on the connecting block 25.

Referring to fig. 1, the feeding mechanism includes a feeding barrel 29 provided on the frame 1, a feeding motor 30 fixed to a lower end of the feeding barrel 29, a screw blade 31 fixed to an output shaft of the feeding motor 30 and coaxial with the feeding barrel 29, a feeding hopper 32 connected to a lower side wall of the feeding barrel 29 to allow cement to enter the feeding barrel 29, and a discharging hopper 33 connected to an upper side wall of the feeding barrel 29 to allow cement to enter the mixing tank 2.

Referring to fig. 1, the water adding mechanism includes a water supply pipe 34 connected to the bracket 1, one end of the water supply pipe 34 is connected to a water source for supplying water, the other end is located right above the feed port 3, and the water supply pipe 34 is connected to a water pump 35 for supplying water.

The implementation principle of the cement slurry dosage control device for the cement soil mixing pile in the embodiment of the application is as follows: raw materials and water are added into a stirring barrel 2, a stirring motor 4 is started to drive a stirring shaft 5 to rotate, so that a main stirring blade 6 and an auxiliary stirring blade 21 connected to the stirring shaft 5 rotate, an auxiliary blade 28 on a connecting rod 24 is used for stirring slurry at the bottom of the stirring barrel 2, when the slurry is uniformly stirred, the slurry acts on a quantitative plate 13 according to the required slurry amount, the quantitative plate 13 slides in a lower charging barrel 7 by acting on a driving motor 14, the volume formed between the quantitative plate 13 and a control plate 9 is the required slurry amount, a connecting rod of a driving cylinder 10 extends, the control plate 9 moves upwards, the slurry fills the lower charging barrel 7, the control plate 9 moves downwards, an opening above the lower charging barrel 7 is sealed, the quantitative plate 13 acts on the quantitative plate 13, the quantitative plate 13 moves downwards, and the slurry in the lower charging barrel 7 is discharged from the discharge barrel 8.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cement soil mixing pile grout quantity controlling means, includes support (1), set up on support (1) and carry out agitator (2) that stir for the raw materials and the reinforced feeding device of agitator (2), agitator (2) bottom is provided with feed cylinder (7), its characterized in that down: the quantitative discharging device is arranged on the lower charging barrel (7) and comprises a control plate (9) which is arranged in the lower charging barrel (7) and seals an opening at the upper end of the lower charging barrel (7), a driving cylinder (10) is fixed on the lower charging barrel (7), a driving rod (11) is connected onto a connecting rod of the driving cylinder (10), the driving rod (11) is fixed on the lower surface of the control plate (9), a quantitative plate (13) which can slide in the lower charging barrel (7) is arranged in the lower charging barrel (7) below the control plate (9), a driving mechanism which drives the quantitative plate (13) to slide in the lower charging barrel (7) is arranged on the lower charging barrel (7), and a discharging barrel (8) which enables cement slurry to flow out is arranged on the side wall below the lower charging barrel (7); the driving mechanism comprises a driving motor (14) fixed at the lower end of the lower charging barrel (7), a driving lead screw (15) coaxial with the lower charging barrel (7) is fixed on a rotating shaft of the driving motor (14), the driving lead screw (15) penetrates through the quantitative plate (13) and is in threaded connection with the quantitative plate (13), a positioning rod (16) penetrating through the quantitative plate (13) and preventing the quantitative plate (13) from rotating is fixed on the inner wall of the lower charging barrel (7), and a telescopic assembly preventing cement slurry from entering the driving lead screw (15) is sleeved on the driving lead screw (15); the upper end surface of the lower charging barrel (7) is provided with an arc-shaped opening with the diameter gradually increasing upwards, the side wall of the control plate (9) is an arc-shaped veneering with the diameter gradually decreasing downwards and matched with the arc-shaped opening, and the upper surface of the control plate (9) is arched upwards to form a conical structure; an openable barrel cover (36) is arranged above the stirring barrel (2), a stirring motor (4) is arranged on the barrel cover (36), a stirring shaft (5) penetrating through the barrel cover (36) is fixed on an output shaft of the stirring motor (4), a main stirring blade (6) for stirring is fixed on the stirring shaft (5), the main stirring blade (6) is of a spiral structure, the stirring shaft (5) is abutted to an auxiliary stirring blade (21) on the inner wall of the stirring barrel (2), and the upper surface of the control panel (9) is rotatably connected with an auxiliary stirring assembly connected with the lower end face of the stirring shaft (5).

2. The device for controlling the cement slurry dosage of the soil cement mixing pile according to claim 1, wherein: lower feed cylinder (7) inner wall integrated into one piece have be on a parallel with drive groove (12) of feed cylinder (7) axis down, actuating lever (11) slip joint in drive groove (12).

3. The device for controlling the cement slurry dosage of the soil cement mixing pile according to claim 2, wherein: the telescopic assembly comprises a plurality of telescopic cylinders (17) which are sleeved together, the inner wall of the telescopic cylinder (17) which is positioned on the outer side is axially provided with a sliding groove (18) on the upper end surface of the telescopic cylinder (17), the outer wall of the upper end of the telescopic cylinder (17) which is positioned on the inner side is fixedly provided with a sliding joint, a sliding block (19) in the sliding groove (18) is fixedly connected to the telescopic cylinder (17) which is positioned at the lower end on a metering plate (13), and a connecting disc (20) for sealing a port is fixedly arranged on the upper end surface of the telescopic cylinder (17) which is positioned at the upper end, and the connecting disc (20) is rotatably connected to the upper end part of a driving screw rod (15).

4. The device for controlling the cement slurry dosage of the soil cement mixing pile according to claim 1, wherein: the lower charging barrel (7) is located at the center of the stirring barrel (2), and the bottom of the stirring barrel (2) is of an arc surface structure enabling cement slurry to converge at the center of the lower charging barrel (7).

5. The device for controlling the cement slurry dosage of the cement-soil mixing pile according to claim 4, is characterized in that: supplementary stirring subassembly is including fixing rolling ball (23) of control panel (9) upper surface, (mixing) shaft (5) lower extreme has seted up coaxial mounting groove (22), mounting groove (22) internal slipping is provided with connecting rod (24), connecting rod (24) lower extreme is fixed with connecting block (25), rolling ball (23) are rotated and are connected on connecting block (25), be fixed with on connecting block (25) and carry out supplementary blade (28) that stir to grout, be fixed with on connecting rod (24) and prevent connecting rod (24) pivoted locating part.

6. The device for controlling the cement slurry dosage of the cement-soil mixing pile according to claim 5, characterized in that: the mounting groove (22) inner wall is vertical to be seted up spacing groove (26), the locating part is for sliding the joint in spacing stopper (27) in spacing groove (26).