CN117107773A - Cement stirring stake construction equipment - Google Patents
Cement stirring stake construction equipment Download PDFInfo
- Publication number
- CN117107773A CN117107773A CN202311152841.XA CN202311152841A CN117107773A CN 117107773 A CN117107773 A CN 117107773A CN 202311152841 A CN202311152841 A CN 202311152841A CN 117107773 A CN117107773 A CN 117107773A
- Authority
- CN
- China
- Prior art keywords
- side wall
- fixedly connected
- grouting pipe
- plate
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004568 cement Substances 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 title claims description 45
- 239000002002 slurry Substances 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 238000007790 scraping Methods 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims description 27
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000011440 grout Substances 0.000 description 47
- 238000000034 method Methods 0.000 description 26
- 239000002689 soil Substances 0.000 description 21
- 238000005553 drilling Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
Abstract
The application relates to the technical field of pile foundation engineering, and particularly discloses a cement mixing pile construction device which comprises a supporting seat; the supporting seat is provided with a backing plate; the bottom surface of the backing plate is rotationally connected with a grouting pipe; a slurry outlet is arranged on the side wall of the grouting pipe, a drill bit is fixedly connected at the bottom end of the grouting pipe, and a shell is fixedly connected on the outer side wall of the grouting pipe; a sliding plate is connected on the inner side wall of the shell in a sliding way; the top surface of the sliding plate is connected with the inner side wall at the top end of the shell through a first spring; the bottom surface of the sliding plate is fixedly connected with a scraping plate; an opening is arranged on the inner side wall of the bottom end of the shell; one end of the scraping plate, which is far away from the sliding plate, passes through the opening and extends to the bottom of the shell to be in sliding fit with the outer side wall of the grouting pipe; a driving mechanism capable of driving the sliding plate to move downwards is arranged on the outer side wall of the grouting pipe; the top surface of the backing plate is provided with a power component for driving the grouting pipe to rotate; the sliding plate is driven to move downwards in a reciprocating manner through the driving mechanism, so that the scraping plate is driven to clean the vicinity of the slurry outlet in a reciprocating manner, the possibility that the slurry outlet is blocked is reduced, and the cement slurry can be stably output.
Description
Technical Field
The application relates to the technical field of pile foundation engineering, in particular to a cement mixing pile construction device.
Background
When building construction is carried out, constructors usually use cement stirring piles to treat soft soil foundations, the cement stirring piles are a construction method for reinforcing saturated soft soil foundations, cement slurry is used as a curing agent, the curing agent is mixed with soil in pile foundation holes, and soft soil is hardened to form a high-quality foundation with integrity, water stability and certain strength by utilizing a series of physical and chemical reactions generated between the curing agent and the soil.
In the prior art, when constructors perform construction of cement mixing piles, grouting pipes can continuously release cement slurry into pile foundation holes to be mixed with soil, viscous mud blocks can be generated in pile foundation holes when the cement slurry is mixed with the soil, and when the mud blocks are adhered to the grout outlet of the grouting pipes, the grout outlet is blocked, so that normal discharging of the grouting pipes is affected.
Disclosure of Invention
The application provides a cement mixing pile construction device which is provided with a device for cleaning the position of a grout outlet of a grouting pipe, so that the possibility that the grout outlet of the grouting pipe is blocked by mud blocks is reduced, and the cement grout can be stably output.
The application provides a cement mixing pile construction device, which adopts the following technical scheme:
a cement mixing pile construction device comprises a supporting seat; the support seat is provided with a base plate which can move along the vertical direction; the bottom surface of the backing plate is rotationally connected with a grouting pipe; the grouting pipe is characterized in that a slurry outlet is formed in the side wall of the grouting pipe, a drill bit is fixedly connected to the bottom end of the grouting pipe, and a shell positioned at the top of the slurry outlet is fixedly connected to the outer side wall of the grouting pipe; a sliding plate is connected to the inner side wall of the shell in a sliding manner; the top surface of the sliding plate is connected with the inner side wall of the top end of the shell through a first spring; the bottom surface of the sliding plate is fixedly connected with a scraping plate; an opening is formed in the inner side wall of the bottom end of the shell; one end of the scraping plate, which is far away from the sliding plate, penetrates through the opening to extend to the bottom of the shell, and the other end of the scraping plate, which is far away from the sliding plate, is in sliding fit with the outer side wall of the grouting pipe; a driving mechanism capable of driving the sliding plate to move downwards is arranged on the outer side wall of the grouting pipe; the top surface of the backing plate is provided with a power component for driving the grouting pipe to rotate.
Through adopting above-mentioned technical scheme, when backing plate moves down and drives drill bit and ground and contact gradually, drive grout pipe and drill bit through power component and rotate, the drill bit carries out drilling work, after the drilling is accomplished, carry grout to the grout intraductal, grout mixes with the downthehole soil body of stake foundation after the grout flows out through the grout outlet, in-process that grout mixes with the soil body, actuating mechanism drive slide moves down, the scraper blade of promotion slide bottom is along grout pipe outer wall gliding to the clearance near the grout outlet for the mud piece is difficult for adhering to and blocks up the grout outlet on the grout pipe, the smooth completion of grouting work of being convenient for.
Preferably, the sliding plate divides the inner space of the shell into a first cavity positioned at the top of the sliding plate and a second cavity positioned at the bottom of the sliding plate; the drive mechanism includes a concave housing and an extrusion; the concave shell is fixedly connected to the outer side wall of the end part of the grouting pipe, which is far away from the drill bit, and a pushing block is connected in the concave shell in a sliding manner through a second spring; one end of the pushing block, which is far away from the second spring, extends to the outside of the concave shell; an air bag is fixedly connected to the inner side wall of the concave shell; the air bag is positioned at one side of the push block connected with the second spring, the air bag is contacted with the side wall of the push block connected with the second spring, and the air bag is fixedly connected with a vent pipe; the end part of the vent pipe, which is far away from the air bag, is communicated with the inside of the first cavity; the extrusion piece is arranged on the bottom surface of the base plate, and can be contacted with the pushing block and drive the pushing block to extrude the air bag to jet air.
Through adopting above-mentioned technical scheme, at grout pipe rotation in-process, when ejector pad and extrusion piece contact, extrusion piece orders about the ejector pad towards inside slip of spill shell, the inside gaseous conveying of air bag to first cavity through the breather pipe in the ejector pad slip in-process extrusion gasbag, make the slide drive scraper blade move down clean grout pipe outer wall, after the ejector pad loses contact with the extrusion piece, the ejector pad returns under the elasticity effect of second spring and slides back, the gasbag returns air, the slide upward slides and resets, so that the scraper blade clears up near the grout outlet again.
Preferably, the end part of the pushing block extending out of the concave shell is provided with an arc surface; the extrusion includes a cam; the cam is fixedly connected to the bottom surface of the base plate, and can be contacted and matched with the cambered surface of the push block extending out of the concave shell.
Through adopting above-mentioned technical scheme, when the ejector pad and cam contact, through the cooperation work of cam and cambered surface, the inside cam extrusion ejector pad slip to concave shell for the ejector pad extrudes the gasbag jet-propelled, and in grouting pipe rotation in-process, the ejector pad carries out reciprocating contact with the cam, promotes the gasbag to carry out reciprocating jet-propelled work.
Preferably, the power assembly comprises a first motor and a first spur gear; the first motor is arranged on the top surface of the base plate, and the output end of the first motor is fixedly connected with a rotating shaft extending to the bottom of the base plate; the first straight gear is fixedly connected to the outer side wall of the end part of the rotating shaft, which is far away from the first motor; the grouting pipe is fixedly connected with a second straight gear meshed with the first straight gear on the outer side wall close to the first straight gear.
Through adopting above-mentioned technical scheme, start first motor drive rotation axis and first straight gear rotation, under first straight gear and second straight gear meshing cooperation, the rotation axis drives grout pipe and drill bit rotation for the drill bit is to ground drilling work in the downshifting in-process.
Preferably, the support base comprises a vehicle body and a support plate; the supporting plate is fixedly connected to the top surface of the vehicle body and is provided with a chute along the vertical direction; the backing plate is connected to the inner side wall of the chute in a sliding manner; a second motor is arranged on the top surface of the supporting plate; the output end of the second motor is fixedly connected with a screw rod which extends into the chute and penetrates through the sliding plate; the sliding plate is in threaded transmission fit with the screw rod.
Through adopting above-mentioned technical scheme, start the second motor and drive the lead screw and rotate, the lead screw rotates in-process and drives the backing plate and move along vertical direction to realize the grout pipe and drill bit in the ascending removal of vertical direction, be convenient for drill bit and grout pipe carry out drilling, grout work.
Preferably, the top end of the grouting pipe extends to the top of the backing plate; an end cover which is covered outside the grouting pipe is fixedly connected to the top surface of the backing plate; the grouting pipe is in rotary fit with the end cover; a storage bucket for containing water mud is arranged on the top surface of the vehicle body, and a pump body is also arranged on the top surface of the vehicle body; the pump body input rigid coupling has the inside inlet pipe that communicates of storage vat, and pump body output rigid coupling has the discharging pipe that runs through the end cover and stretches into in the grout pipe.
Through adopting above-mentioned technical scheme, when carrying out the slip casting, the cement thick liquids in the pump body will storage vat are taken out to start the pump body, and cement thick liquids are carried to the grout intraductal through inlet pipe and discharging pipe to the convenient transport that realizes cement thick liquids, promote cement thick liquids to mix with the soil body in the stake foundation hole after being discharged through the grout pipe.
Preferably, the inner side wall at the bottom end of the storage vat is rotationally connected with a stirring shaft; a stirring plate is fixedly connected to the outer side wall of the stirring shaft; the top end of the stirring shaft is provided with a transmission assembly which can enable the screw rod to drive the stirring shaft to rotate.
Through adopting above-mentioned technical scheme, lead screw rotation in-process drives (mixing) shaft and stirring board through drive assembly and rotates, and the stirring board stirs the cement thick liquids in the storage vat for the cement thick liquids is difficult for producing when standing and deposits.
Preferably, the top end of the stirring shaft extends to the top of the storage barrel; the end part of the screw rod, which is close to the first motor, is exposed out of the top of the supporting plate; the transmission assembly comprises a first belt pulley, a second belt pulley and a belt; the first belt wheel is fixedly connected to the outer side wall of the end part of the screw rod, which is close to the first motor; the second belt wheel is fixedly connected to the outer side wall of the top end of the stirring shaft; the belt is sleeved outside the first belt pulley and the second belt pulley, and the belt enables the first belt pulley and the second belt pulley to be linked.
Through adopting above-mentioned technical scheme, the screw rod rotates the cooperation work through first band pulley, second band pulley and belt and drives the (mixing) shaft and rotate, realizes the transmission of screw rod rotation in-process kinetic energy, and then conveniently realizes the rotation work of (mixing) shaft.
Preferably, the outer side wall of the drill bit is fixedly connected with a helical blade.
Through adopting above-mentioned technical scheme, helical blade's setting can promote the drilling ability of drill bit to when cement paste mixes with the downthehole soil body of pile foundation, helical blade's setting has the effect that promotes cement paste and soil body to mix.
Preferably, a sealing gasket tightly attached to the scraping plate is fixedly connected to the inner side wall of the opening.
Through adopting above-mentioned technical scheme, the setting of sealed pad makes the inside good sealing condition that has of casing, has reduced the possibility that external environment impurity got into inside the casing.
In summary, the application has the following beneficial effects:
1. in the process of grouting by rotating the grouting pipe, the driving mechanism pushes the sliding plate and the scraping plate to move downwards, so that the scraping plate is driven to move downwards to the grout outlet to clean the vicinity of the grout outlet, the possibility that a mud block generated when cement grout is mixed with soil is adhered to the outer wall of the grouting pipe to block the grout outlet is reduced, and in the process of driving the sliding plate to move downwards in a reciprocating manner by the driving mechanism, the scraping plate is driven to clean the vicinity of the grout outlet in a reciprocating manner, so that the grout outlet is kept smooth, and the cement grout can be stably output;
2. in the process that the screw rod drives the backing plate to move along the vertical direction, the screw rod drives the stirring shaft to rotate through the cooperation of the first belt pulley, the second belt pulley and the belt, and the stirring shaft is driven to stir cement slurry in the storage vat in the rotating process of the stirring shaft, so that the cement slurry is promoted to move, and the possibility that the cement slurry is kept stand in the storage vat to generate precipitation is reduced;
3. the helical blades arranged on the outer wall of the drill bit can improve the drilling capability of the drill bit, and when cement paste is mixed with soil in pile foundation holes, the helical blades are arranged to stir cement paste and soil, so that the cement paste and the soil are fully mixed.
Drawings
FIG. 1 is a schematic structural view of a cement mixing pile construction apparatus;
FIG. 2 is a schematic illustration of the mating structure of the power assembly and grouting pipe of the present application;
FIG. 3 is a schematic view of the mating structure of the grout tube, the shell, the slide plate and the scraper of the present application;
fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is a schematic view of the mating structure of the pad, grouting pipe and driving mechanism of the present application;
fig. 6 is a schematic diagram of the cooperation structure of the screw, the transmission assembly and the stirring shaft in the application.
Reference numerals illustrate: 1. a support base; 11. a vehicle body; 12. a support plate; 121. a chute; 13. a second motor; 14. a screw rod; 15. a storage barrel; 151. a stirring shaft; 152. a stirring plate; 16. a pump body; 161. a feed pipe; 162. a discharge pipe; 17. a transmission assembly; 171. a first pulley; 172. a second pulley; 173. a belt; 2. a backing plate; 21. an end cap; 3. grouting pipes; 31. a slurry outlet; 32. a drill bit; 321. a helical blade; 33. a second spur gear; 4. a housing; 41. a slide plate; 42. a first spring; 43. a scraper; 44. an opening; 441. a sealing gasket; 5. a driving mechanism; 51. a concave shell; 52. an extrusion; 521. a cam; 53. a second spring; 54. a pushing block; 55. an air bag; 56. a vent pipe; 6. a power assembly; 61. a first motor; 611. a rotation shaft; 62. a first straight gear.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper", "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
The application discloses a cement mixing pile construction device, which is shown in fig. 1 and 2, and comprises a supporting seat 1, a backing plate 2, a grouting pipe 3, a drill bit 32 and a power assembly 6; the supporting seat 1 comprises a vehicle body 11 and a supporting plate 12, the supporting plate 12 is fixedly connected to the edge of one side of the top surface of the vehicle body 11, a chute 121 in the vertical direction is arranged on the side wall of the supporting plate 12, the base plate 2 is in sliding connection with the inner side wall of the chute 121, one end of the base plate 2 extends out of the vehicle body 11, a second motor 13 is arranged on the top surface of the supporting plate 12, the second motor 13 is a band-type brake motor, a screw rod 14 extending into the chute 121 and penetrating through the base plate 2 is coaxially and fixedly connected to the output end of the second motor 13, and the sliding plate 41 is in threaded transmission fit with the screw rod 14; the grouting pipe 3 is rotatably connected to the bottom surface of the backing plate 2 extending to the outside of the vehicle body 11; the drill bit 32 is fixedly connected to the bottom end of the grouting pipe 3, the spiral blade 321 is fixedly connected to the outer side wall of the drill bit 32, and the bottom end of the drill bit 32 is pointed cone-shaped; the top surface of the backing plate 2 extending to the outside of the vehicle body 11 is provided with a power component 6, and the power component 6 can drive the grouting pipe 3 to rotate.
The second motor 13 is started to drive the screw rod 14 to rotate when the vehicle body 11 moves to a designated position, the base plate 2 is driven when the screw rod 14 rotates, so that the grouting pipe 3 and the drill bit 32 gradually move downwards to be close to the ground, the grouting pipe 3 and the drill bit 32 are driven to rotate through the power assembly 6 after the drill bit 32 is contacted with the ground, the drill bit 32 performs drilling work on the ground in the gradually downwards moving process, the helical blades 321 arranged on the outer side wall of the drill bit 32 can promote the drilling capacity of the drill bit 32, and the base plate 2 is driven to upwards move through the second motor 13 after the drilling is completed, so that the grouting pipe 3 and the drill bit 32 are moved out of a pile foundation hole.
As shown in fig. 1 and 2, the power assembly 6 includes a first motor 61, a first spur gear 62 and a second spur gear 33, the first motor 61 is mounted on the top surface of the backing plate 2 extending outside the vehicle body 11, the output end of the first motor 61 is coaxially and fixedly connected with a rotating shaft 611 extending to the bottom of the backing plate 2, the rotating shaft 611 is in running fit with the backing plate 2, the first spur gear 62 is coaxially and fixedly connected with the end of the rotating shaft 611 extending to the bottom of the backing plate 2, the second spur gear 33 is fixedly connected on the outer wall of the grouting pipe 3 close to the first spur gear 62, and the second spur gear 33 is meshed with the first spur gear 62.
The first motor 61 is started to drive the rotation shaft 611 and the first straight gear 62 to rotate, the rotation shaft 611 drives the grouting pipe 3 to rotate under the meshing and matching of the first straight gear 62 and the second straight gear 33, and the rotation of the grouting pipe 3 and the drill bit 32 can be conveniently realized through the arrangement of the first motor 61.
As shown in fig. 1 and 2, the top end of a grouting pipe 3 extends to the top of a backing plate 2, a plurality of grout outlets 31 communicated with the inside of the grouting pipe 3 are formed in the outer side wall, close to the bottom end, of the grouting pipe 3, an end cover 21 covering the top end of the grouting pipe 3 is fixedly connected to the top surface of the backing plate 2, and the grouting pipe 3 is in running fit with the inner side wall of the end cover 21; a storage vat 15 is fixedly connected to the top surface of the vehicle body 11, the storage vat 15 can be used for containing cement slurry, a pump body 16 is arranged on the top surface of the vehicle body 11, a feed pipe 161 is fixedly connected to the input end of the pump body 16, the end part of the feed pipe 161, far away from the pump body 16, is fixedly connected to the outer side wall, close to the bottom end, of the storage vat 15, and the feed pipe 161 is communicated with the inside of the storage vat 15; the output end of the pump body 16 is fixedly connected with a discharge pipe 162, the end part of the discharge pipe 162, which is far away from the pump body 16, penetrates through the end cover 21 and extends into the grouting pipe 3, and the discharge pipe 162 is communicated with the inside of the grouting pipe 3.
In the process that the backing plate 2 drives the grouting pipe 3 and the drill bit 32 to gradually move upwards, the pump body 16 is started, the pump body 16 pumps out cement slurry stored in the storage vat 15, the cement slurry is conveyed into the grouting pipe 3 through the feed pipe 161 and the discharge pipe 162, the cement slurry is reserved in a pile foundation hole through the slurry outlet 31 and is mixed with soil in the pile foundation hole, and grouting in the pile foundation hole is achieved.
As shown in fig. 1, 3 and 4, a shell 4 positioned at the top of a grout outlet 31 is fixedly connected to the outer side wall of a grouting pipe 3, the shell 4 surrounds the outer wall of the grouting pipe 3 in a ring shape, a sliding plate 41 surrounding the outer part of the grouting pipe 3 is connected to the inner side wall of the shell 4 in a sliding manner, a first spring 42 is fixedly connected to the top surface of the sliding plate 41, the end part, far away from the sliding plate 41, of the first spring 42 is fixedly connected to the inner side wall of the top end of the shell 4, and a scraping plate 43 surrounding the outer part of the grouting pipe 3 is fixedly connected to the bottom surface of the sliding plate 41; an annular opening 44 is formed in the inner side wall of the bottom end of the shell 4, and one end, away from the sliding plate 41, of the scraping plate 43 penetrates through the opening 44 to extend to the bottom of the opening 44; the scraper 43 consists of a columnar cylinder body and a round platform cylinder body, wherein the columnar cylinder body is fixedly connected on the bottom surface of the sliding plate 41, the bottom end of the columnar cylinder body penetrates through the opening 44 to extend to the bottom of the shell 4, the columnar cylinder body is in sliding fit with the inner side wall of the opening 44, the round platform cylinder body is fixedly connected at the bottom end of the columnar cylinder body, the inner side wall of the round platform cylinder body is in sliding fit with the outer wall of the grouting pipe 3, the grouting pipe 3 is provided with a driving mechanism 5 capable of driving the scraper 43 to reciprocate downwards to clean the grout outlet 31, and a sealing gasket 441 tightly attached to the outer wall of the columnar cylinder body is fixedly connected on the inner side wall of the opening 44.
In the process of grouting by rotating the grouting pipe 3, the driving mechanism 5 can push the sliding plate 41 to move downwards and stretch the first spring 42, the sliding plate 41 is driven to move downwards in the moving process, so that the round table-shaped cylinder body moves downwards to the position of the grout outlet 31 to clean the vicinity of the grout outlet 31, the grout is not easy to adhere to the mud block on the outer wall of the grouting pipe 3 when the grout is mixed with soil, the grout outlet 31 is blocked, the sliding plate 43 is driven to clean the vicinity of the grout outlet 31 in the reciprocating manner in the moving process of the sliding plate 41 by the driving mechanism 5, the grout outlet 31 is kept smooth, and the grout can be stably output.
As shown in fig. 1, 3 and 5, the sliding plate 41 divides the housing 4 into a first cavity at the top of the sliding plate 41 and a second cavity at the bottom of the sliding plate 41, the sliding plate 41 is in a circular ring shape, a first sealing ring tightly attached to the inner side wall of the housing 4 is fixedly connected to the outer side wall of the sliding plate 41, and a second sealing ring tightly attached to the inner side of the housing 4 is fixedly connected to the inner side wall of the sliding plate 41;
the driving mechanism 5 comprises a concave shell 51, an air bag 55, a push block 54 and an extrusion piece 52, wherein the concave shell 51 is fixedly connected to the outer side wall of the grouting pipe 3, which is close to the backing plate 2, the push block 54 is slidably connected to the inner side wall of the concave shell 51, one end of the push block 54 extends to the outside of the concave shell 51, and one end of the push block 54 extending to the outside of the concave shell 51 is provided with a cambered surface;
the side wall of the push block 54 far away from the cambered surface is fixedly connected with a second spring 53, and the end part of the second spring 53 far away from the push block 54 is fixedly connected with the inner side wall of the concave shell 51; the air bag 55 is fixedly connected to the inner side wall of the concave shell 51, the air bag 55 is positioned on one side of the push block 54 away from the cambered surface and is contacted with the side wall of the push block 54, the air pipe 56 is fixedly connected to the air bag 55, and the end part of the air pipe 56 away from the air bag 55 is fixedly connected to the outer side wall of the shell 4 and is communicated with the interior of the first cavity; the pressing piece 52 is arranged on the bottom surface of the base plate 2, the pressing piece 52 comprises a cam 521, the cam 521 is fixedly connected on the bottom surface of the base plate 2, and the cam 521 can be contacted and matched with the cambered surface of the push block 54 extending out of the concave shell 51 to enable the push block 54 to press the air bag 55 for air injection.
The grouting pipe 3 drives the concave shell 51 to rotate in the rotating process, when the push block 54 is contacted with the cam 521, the cam 521 extrudes the push block 54 to slide towards the inside of the concave shell 51 through the cooperation of the cam 521 and the cambered surface, the push block 54 extrudes the air bag 55 to jet air, the air pipe 56 conveys air into the first cavity, and the sliding plate 41 drives the scraping plate 43 to move downwards; when the cam 521 and the push block 54 lose contact, the push block 54 slides back under the elastic force of the second spring 53, the air bag 55 returns air, the sliding plate 41 drives the scraping plate 43 to move upwards and reset, and accordingly the air bag 55 is conveyed to the first cavity in a reciprocating mode to drive the sliding plate 41 to move upwards and downwards in a reciprocating mode in the rotating process of the grouting pipe 3, and further the scraping plate 43 is driven to clean mud blocks on the outer wall of the grouting pipe 3 in a reciprocating mode.
As shown in fig. 1 and 6, a stirring shaft 151 coaxial with the screw rod 14 is rotatably connected to the inner side wall of the bottom end of the storage vat 15, and a plurality of stirring plates 152 positioned in the storage vat 15 are fixedly connected to the outer side wall of the stirring shaft 151; the stirring shaft 151 top stretches to the storage vat 15 outside, the stirring shaft 151 top is provided with the drive assembly 17 that can make lead screw 14 drive stirring shaft 151 rotation, the lead screw 14 top stretches to backup pad 12 top, drive assembly 17 includes first band pulley 171, second band pulley 172 and belt 173, first band pulley 171 rigid coupling is on the lateral wall that lead screw 14 stretched to backup pad 12 top, second band pulley 172 rigid coupling is on the stirring shaft 151 top lateral wall, belt 173 tensioning cover is established in first band pulley 171 and second band pulley 172 outside, belt 173 makes first band pulley 171 and second band pulley 172 linkage.
When the screw rod 14 drives the backing plate 2 to move along the vertical direction, under the cooperation of the first belt wheel 171, the second belt wheel 172 and the belt 173, the screw rod 14 drives the stirring shaft 151 to rotate, so that the transmission of kinetic energy in the rotation process of the screw rod 14 is realized, the stirring plate 152 is driven to stir the cement slurry in the storage vat 15 in the rotation process of the stirring shaft 151, the cement slurry is promoted to move, and the possibility that the cement slurry stands in the storage vat 15 to generate precipitation is reduced.
Working principle: after the vehicle body 11 is moved to a designated position, a first motor 61 is started to drive a rotating shaft 611 and a first straight gear 62 to rotate, under the meshing cooperation of the first straight gear 62 and a second straight gear 33, the rotating shaft 611 drives a grouting pipe 3 and a drill bit 32 to rotate, a second motor 13 is started to drive a screw rod 14 to rotate, so that a backing plate 2 drives the grouting pipe 3 and the drill bit 32 to gradually move downwards to drive the drill bit 32 to perform drilling, after the drilling is completed, the backing plate 2, the grouting pipe 3 and the drill bit 32 are driven to gradually move upwards by the second motor 13, in the process of gradually moving the grouting pipe 3 and the drill bit 32 upwards, a pump body 16 is started to convey cement paste in a storage vat 15 into the grouting pipe 3, cement paste in the grouting pipe 3 flows into a pile foundation hole through a slurry outlet 31 to realize grouting operation into the pile foundation hole, and in the grouting process, a spiral blade 321 on the outer side wall of the drill bit 32 stirs the cement paste and soil body to promote full mixing of the cement paste and the soil body;
in the process of grouting by rotating the grouting pipe 3, the grouting pipe 3 drives the concave shell 51 to rotate, when the push block 54 in the concave shell 51 is contacted with the cam 521, under the cooperation of the cam 521 and the cambered surface, the cam 521 extrudes the push block 54 to slide towards the inside of the concave shell 51 and extrudes the air bag 55 to jet air, the air in the air bag 55 is conveyed into the first cavity through the vent pipe 56, the sliding plate 41 is driven by the scraping plate 43 to move downwards to clean the vicinity of the grout outlet 31 on the outer wall of the grouting pipe 3, so that the mud blocks generated when the cement slurry is mixed with the soil body are not easy to adhere to the outer wall of the grouting pipe 3 to block the grout outlet 31; when the cam 521 and the push block 54 lose contact, the push block 54 slides back under the action of the elastic force of the second spring 53, the air bag 55 returns air, and the sliding plate 41 drives the scraping plate 43 to move upwards for resetting; in the rotation process of the grouting pipe 3, the push block 54 is in reciprocating contact with the cam 521, so that repeated cleaning work of the scraping plate 43 on the outer wall of the grouting pipe 3 is realized, and the cement slurry can be stably output;
in the rotation process of the screw rod 14, the screw rod 14 drives the stirring shaft 151 and the stirring plate 152 to rotate through the cooperation of the first belt wheel 171, the second belt wheel 172 and the belt 173, the stirring plate 152 stirs cement slurry in the storage vat 15, the cement slurry in the storage vat 15 is promoted to move, and the possibility that the cement slurry is precipitated in the storage vat 15 is reduced.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides a cement mixing stake construction equipment which characterized in that: comprises a supporting seat (1); the support seat (1) is provided with a base plate (2) which can move along the vertical direction; the bottom surface of the base plate (2) is rotationally connected with a grouting pipe (3); a slurry outlet (31) is formed in the side wall of the grouting pipe (3), a drill bit (32) is fixedly connected to the bottom end of the grouting pipe (3), and a shell (4) positioned at the top of the slurry outlet (31) is fixedly connected to the outer side wall of the grouting pipe (3); a sliding plate (41) is connected to the inner side wall of the shell (4) in a sliding manner; the top surface of the sliding plate (41) is connected with the inner side wall at the top end of the shell (4) through a first spring (42); a scraping plate (43) is fixedly connected to the bottom surface of the sliding plate (41); an opening (44) is formed in the inner side wall of the bottom end of the shell (4); one end of the scraping plate (43) far away from the sliding plate (41) penetrates through the opening (44) to extend to the bottom of the shell (4), and one end of the scraping plate (43) far away from the sliding plate (41) is in sliding fit with the outer side wall of the grouting pipe (3); a driving mechanism (5) capable of driving the sliding plate (41) to move downwards is arranged on the outer side wall of the grouting pipe (3); the top surface of the backing plate (2) is provided with a power component (6) for driving the grouting pipe (3) to rotate.
2. A cement mixing pile construction device according to claim 1, wherein: the sliding plate (41) divides the inner space of the shell (4) into a first cavity positioned at the top of the sliding plate (41) and a second cavity positioned at the bottom of the sliding plate (41); the driving mechanism (5) comprises a concave shell (51) and an extrusion piece (52); the concave shell (51) is fixedly connected to the outer side wall of the end part of the grouting pipe (3) far away from the drill bit (32), and a pushing block (54) is connected in the concave shell (51) in a sliding manner through a second spring (53); one end of the pushing block (54) far away from the second spring (53) extends to the outside of the concave shell (51); an air bag (55) is fixedly connected to the inner side wall of the concave shell (51); the air bag (55) is positioned at one side of the push block (54) connected with the second spring (53), the air bag (55) is contacted with the side wall of the push block (54) connected with the second spring (53), and the air bag (55) is fixedly connected with the vent pipe (56); the end part of the vent pipe (56) far away from the air bag (55) is communicated with the inside of the first cavity; the extrusion piece (52) is arranged on the bottom surface of the base plate (2), and the extrusion piece (52) can be contacted with the pushing block (54) and drive the pushing block (54) to extrude the air bag (55) for air injection.
3. A cement mixing pile construction device according to claim 2, characterised in that: the end part of the pushing block (54) extending out of the concave shell (51) is provided with an arc surface; the presser (52) includes a cam (521); the cam (521) is fixedly connected to the bottom surface of the base plate (2), and the cam (521) can be contacted and matched with the cambered surface of the push block (54) extending to the outside of the concave shell (51).
4. A cement mixing pile construction device according to claim 1, wherein: the power assembly (6) comprises a first motor (61) and a first straight gear (62); the first motor (61) is arranged on the top surface of the base plate (2), and the output end of the first motor (61) is fixedly connected with a rotating shaft (611) extending to the bottom of the base plate (2); the first straight gear (62) is fixedly connected to the outer side wall of the end part of the rotating shaft (611) far away from the first motor (61); the outer side wall of the grouting pipe (3) close to the first straight gear (62) is fixedly connected with a second straight gear (33) meshed with the first straight gear (62).
5. A cement mixing pile construction device according to claim 1, wherein: the supporting seat (1) comprises a vehicle body (11) and a supporting plate (12); the supporting plate (12) is fixedly connected to the top surface of the vehicle body (11), and a chute (121) along the vertical direction is arranged on the supporting plate (12); the base plate (2) is connected to the inner side wall of the chute (121) in a sliding manner; a second motor (13) is arranged on the top surface of the supporting plate (12); the output end of the second motor (13) is fixedly connected with a screw rod (14) which extends into the chute (121) and penetrates through the sliding plate (41); the sliding plate (41) is in threaded transmission fit with the screw rod (14).
6. A cement mixing pile construction apparatus according to claim 5, wherein: the top end of the grouting pipe (3) extends to the top of the backing plate (2); an end cover (21) which is covered outside the grouting pipe (3) is fixedly connected to the top surface of the backing plate (2); the grouting pipe (3) is in rotary fit with the end cover (21); a storage vat (15) for containing water mud is arranged on the top surface of the vehicle body (11), and a pump body (16) is also arranged on the top surface of the vehicle body (11); the feeding pipe (161) communicated with the inside of the storage vat (15) is fixedly connected to the input end of the pump body (16), and the discharging pipe (162) extending into the grouting pipe (3) through the end cover (21) is fixedly connected to the output end of the pump body (16).
7. A cement mixing pile construction apparatus according to claim 6, wherein: a stirring shaft (151) is rotatably connected to the inner side wall of the bottom end of the storage barrel (15); a stirring plate (152) is fixedly connected to the outer side wall of the stirring shaft (151); the top end of the stirring shaft (151) is provided with a transmission assembly (17) which can enable the screw rod (14) to drive the stirring shaft (151) to rotate.
8. A cement mixing pile construction apparatus according to claim 7, wherein: the top end of the stirring shaft (151) extends to the top of the storage barrel (15); the end part of the screw rod (14) close to the first motor (61) is exposed out of the top of the supporting plate (12); the transmission assembly (17) comprises a first pulley (171), a second pulley (172) and a belt (173); the first belt wheel (171) is fixedly connected to the outer side wall of the end part of the screw rod (14) close to the first motor (61); the second belt wheel (172) is fixedly connected to the outer side wall of the top end of the stirring shaft (151); the belt (173) is sleeved outside the first belt wheel (171) and the second belt wheel (172), and the belt (173) enables the first belt wheel (171) and the second belt wheel (172) to be linked.
9. A cement mixing pile construction device according to claim 1, wherein: the outer side wall of the drill bit (32) is fixedly connected with a helical blade (321).
10. A cement mixing pile construction device according to claim 1, wherein: a sealing gasket (441) tightly attached to the scraping plate (43) is fixedly connected to the inner side wall of the opening (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311152841.XA CN117107773A (en) | 2023-09-07 | 2023-09-07 | Cement stirring stake construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311152841.XA CN117107773A (en) | 2023-09-07 | 2023-09-07 | Cement stirring stake construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117107773A true CN117107773A (en) | 2023-11-24 |
Family
ID=88805454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311152841.XA Pending CN117107773A (en) | 2023-09-07 | 2023-09-07 | Cement stirring stake construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117107773A (en) |
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2023
- 2023-09-07 CN CN202311152841.XA patent/CN117107773A/en active Pending
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