CN111042535B - Concrete grouting conveying device for high-rise building construction - Google Patents
Concrete grouting conveying device for high-rise building construction Download PDFInfo
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- CN111042535B CN111042535B CN201911411691.3A CN201911411691A CN111042535B CN 111042535 B CN111042535 B CN 111042535B CN 201911411691 A CN201911411691 A CN 201911411691A CN 111042535 B CN111042535 B CN 111042535B
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- 238000009435 building construction Methods 0.000 title claims abstract description 17
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000007569 slipcasting Methods 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 15
- 210000003437 trachea Anatomy 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract 4
- 239000000463 material Substances 0.000 description 17
- 230000001174 ascending effect Effects 0.000 description 9
- 230000005484 gravity Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0427—Devices for both conveying and distributing with distribution hose on a static support, e.g. crane
Abstract
The invention discloses a concrete grouting conveying device for high-rise building construction, which comprises an inlet assembly, a plurality of sections, a plurality of feeding pumps, a connecting pipe, a grouting pipe and a supporting frame, wherein the inlet assembly comprises a charging hopper and a discharging elbow, the charging hopper and the discharging elbow are both supported and installed on a foundation by the supporting frame, the bottom of the charging hopper is connected with one end of the discharging elbow, the sections are vertically and sequentially stacked and fixed with each other through fasteners, the feeding pumps are installed by section butt clamps, the pumping direction of the feeding pumps is from bottom to top, the bottom end of the section at the lowest part is connected with the other end of the discharging elbow, and the connecting pipe is used for connecting the top end of the section at the uppermost part and one; the sections comprise section pipes, and the section pipes are cylinder bodies with flanges; the spliced conveying device can continuously increase the height along with the construction of a building; and when the feeding pump is used for pressurizing and conveying, fine crushing gas is blown into the concrete to help stir and refine the internal structure of the concrete.
Description
Technical Field
The invention relates to the field of high-rise building construction auxiliary devices, in particular to a concrete grouting conveying device for high-rise building construction.
Background
Concrete is a very important material in construction, and concrete in a fluid state is injected into a design site and then cured as a high-rise structure.
In the prior art, concrete of a high-rise building is generally conveyed through a cement pump truck, the pump truck directly pressurizes the fully mixed concrete from the ground and conveys the fully mixed concrete to a far position through a group of connecting rod structures, when the high-rise building is very high, the concrete is directly conveyed from the ground to a building floor under construction, the pressure requirement of a conveying pipe is high, the wall thickness is very large, and the pump truck occupies a large space during operation and is not suitable for being stopped on a construction site for a long time.
The high-pressure delivery of pump truck in ground department almost all adopts positive displacement transport such as hydraulic pressure, because the pressure head is very high, concrete viscosity is also great, so centrifugal sediment stuff pump can't satisfy the user demand, and positive displacement's delivery pump is interrupted the output on the output of concrete, and export fluid is intermittent type goes on to the vibration is very big, has not only increased the fatigue damage of output, also can make the injection position deviate.
Disclosure of Invention
The invention aims to provide a concrete grouting conveying device for high-rise building construction, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a concrete grouting conveying device for high-rise building construction, including the entry subassembly, a plurality of sections, a plurality of material loading pumps, the connecting pipe, slip casting pipe and support frame, the entry subassembly includes loading hopper and unloading elbow, loading hopper and unloading elbow support by the support frame and install on the basis, unloading elbow one end is connected to the loading hopper bottom, the section is vertical piles up in proper order and is fixed through the fastener each other, the material loading pump is installed by the section butt clamp, the pumping direction of material loading pump is from up down, the other end of unloading elbow is connected to the section bottom of bottommost, the connecting pipe is used for connecting the top and the slip casting pipe one end of top section.
The spliced conveying device can continuously increase the height along with the construction of a building, a cement pump truck is not required to be arranged on the site, the traffic condition on the site has no higher requirement, a plurality of sections which are vertically overlapped and built up are concrete ascending channels, concrete raw materials are added into a charging hopper near the ground and reach the bottommost section after turning, a feeding pump arranged at the position is started to pressurize and convey slurry upwards, as long as concrete is added at an inlet, the concrete continuously ascends in the vertically ascending sections, the invention also adopts a graded conveying mode, the feeding pumps are arranged at a plurality of height positions, so that the upward power of the concrete is obtained in batches, the spliced conveying device is different from the mode that a high-pressure conveying pump is directly arranged on the ground, the pressure bearing of the bottom sections is reduced, and the pressure bearing requirement is greatly reduced, the wall thickness of the joint pipe does not need to be very thick.
Moreover, during the hierarchical delivery, because the work piece of material loading pump will produce a large amount of contacts with the concrete, so, material loading pump also plays the stirring effect one by one, can make the concrete of rise process refine more evenly, and pouring quality is just higher.
It should be noted that after the end of the casting, if the concrete in the segment needs to be removed, the operation of the feeding pump should be maintained while the inlet assembly collects the concrete in the pipe, and the magnitude of the force exerted by the feeding pump on the concrete therein should at least offset more than% of the gravity force, because if all the feeding pumps are stopped, the gravity force of the concrete in the vertical segment is directly loaded on the bottommost joint pipe, and the pressure bearing thereof is much higher than the design pressure, so that the whole stopping operation cannot be performed when a large amount of concrete still remains in the segment.
Furthermore, the section comprises a section pipe which is a section of cylinder with a flanging; the feeding pump comprises a cylinder shell, a spiral impeller, a motor, a mounting seat and a connecting frame, wherein the cylinder shell is a section of cylinder body, a radially extending mounting disc is arranged in the middle of the outer surface of the cylinder shell, the connecting frame extends out of the inner wall of the cylinder shell and is used for the mounting seat, the motor is mounted on the mounting seat and is in transmission connection with one end of the spiral impeller, the spiral impeller is vertically arranged, the other end of the spiral impeller is rotatably supported through a bearing mounted on the connecting frame,
the outer diameter of the mounting seat is smaller than the inner diameter of the cylinder shell, the outer diameter of the cylinder shell is smaller than the inner diameter of the section pipe, the mounting disc is positioned between the two section pipes and is clamped and fixed by the facing opposite turned edges of the two section pipes, and the mounting disc is fixed with the two adjacent section pipes through fasteners.
The section pipes are not required to bear different pressure according to different height positions, only the section pipes with uniform specifications are required in height, so the section pipes are more standardized in manufacturing, a section of the section pipe with the same length is used as a main part of the section of the invention, a rising channel is constructed in a vertically overlapped mode, the spiral impeller is used as a working component, the spiral impeller is driven by a motor to rotate, the concrete nearby the spiral impeller is pushed upwards, the motor has different rotating directions according to different rotating directions of blades of the spiral impeller, when the spiral blade rotates leftwards, the rotating direction of the spiral blade rotates anticlockwise from top to bottom, the outer wall of the shell is tightly attached to the inner wall of the section pipe, the concrete enters the position nearby the spiral impeller through a through hole at the end part of the shell below the spiral impeller, the concrete pressurized by the spiral impeller continues to flow upwards, the maximum pressurizing value of the spiral impeller is at least equal to the pressure value of the concrete at the position where the spiral impeller rises to the next feeding pump, sequentially applying force and uploading;
the mounting disc is as the ascending location structure of vertical and horizontal direction two, and vertical direction supports respectively through its upper and lower terminal surface and leans on the nodal pipe terminal surface of upper and lower side to realize, and the location of horizontal direction is realized through setting elements such as tang or cylindric lock.
The direction and the rotating direction of the spiral impeller of the feeding pump are alternately reversed, so that the stirring rotating direction of the feeding pump to the concrete is alternately changed.
Further, the material loading pump still includes the sand head, the trachea, the mount pad includes main seat and apron, the spiral impeller is located the top of motor, the main seat passes through the link to be fixed on the shell inner wall, the apron is located the main seat top and links together through fastener and main seat, be equipped with half-and-half detached annular on the main seat and the contact surface of apron, be equipped with a plurality of air guide holes on the apron, annular is connected to air guide hole one end, the apron upper surface is connected to one end, the one of air guide hole connection apron upper surface is served and is equipped with the sand head, the trachea is connected to the annular from the external world.
The sand head is installed on the mount pad, annular and the gas guide hole in the mount pad will follow the gaseous distribution of pressure that the trachea obtained to the sand head, the sand head goes out the gas diffusion to mix into in the concrete, blow some gas into toward the concrete in, can adjust the physicochemical characteristic of concrete, reduce the consistency of concrete, it is more efficient to the acting of concrete to let helical impeller, and, furthermore, can set up ultrasonic vibrator on the mount pad, fully refine the gaseous diffusion of sand head spun in the concrete, broken gas stirring concrete, make it refine more, the micropore is continuous and even, make the gel material in the concrete, antiseptic, additive misce bene such as early strength agent. The air filled into the concrete in advance can improve the uniformity of the concrete when the concrete is solidified, and the shrinkage cavity defect caused by the speed difference between the inside and the outside of the concrete when the concrete is solidified is not easy to occur. The trachea is carefully sealed as it passes through the segment wall.
Furthermore, the spiral impeller is provided with a large spiral blade and a small spiral blade, the large spiral blade is used as a main acting part and is positioned above the mounting seat, and the outer edge of the large spiral blade is abutted against the inner wall of the cylinder shell. The small helical blade is positioned in a through hole for containing in the mounting seat, and the small helical blade abuts against the wall surface of the inner hole of the mounting seat. The small helical blade is used for separating concrete flowing to the motor shaft head in the cylinder shell, and the small helical blade has the same rotating direction with the large helical blade and pushes the concrete upwards.
Further, the segment further comprises a frame, connecting feet and connecting rods, the frame is of a truss structure formed by a plurality of metal supporting rods, the connecting feet are arranged at four corners of the frame, one end of each connecting rod is fixed on the outer wall of the segment pipe, one end of each connecting rod is fixed on the frame, and adjacent segments are fastened with each other through the connecting feet.
The thickness is confirmed to the concrete flow that the festival pipe is as required, and need not very thick, so, if the vertical pile of the detail pipe of the festival section only a festival, structural stability is not enough, so, set up the frame outside the festival pipe, the frame has great horizontal width, has great stability after the pile, is similar to the mounting bracket of tower crane.
Furthermore, the height error is adjusted through pin positioning and gaskets between the joint pipes or between the joint pipes and the mounting disc. The pin location is accurate and be convenient for processing and installation, because the vertical superimposed fastening department of festival section has become the four corners of frame, and the height of the internal frame of same festival section and the height of festival pipe have machining error unavoidably, so need compensate through the gasket, between the connection of adding two festival sections that have the material loading pump, still need to fill in the gasket that is the same thickness with the mounting disc.
As optimization, the air pipe is embedded in the connecting frame and the cylinder shell and extends to the outside from the side surface of the mounting disc; the motor includes the cable, and the cable is embedded in link, shell and extends to the external world from the mounting disc side.
The trachea is walked the line with the cable conductor from the mounting disc to need not set up solitary seal structure on the pipe section, let the pipe section keep succinct.
Further, the motor has at least two gears of rotating speed. The high-grade rotating speed of the motor is used for supercharging, and the low-grade rotating speed of the motor is used for balancing the gravity of concrete nearby the section and increasing the stirring effect.
Preferably, a material level sensor is arranged on the inner wall of the cylinder shell, and the material level sensor and the motor in the same feeding pump are controlled in an interlocking mode. The level sensor is used for detecting whether concrete exists at the position, the motor is required to operate when the concrete exists, if the concrete does not rise to the height or the liquid level drops when the concrete is emptied, the motor can be sequentially turned off, the motor which does not need to be started can be turned off in real time, and power consumption is saved.
Preferably, the inlet assembly further comprises a blender, the blender being mounted within the hopper by a support bracket. The mixer is used to thoroughly mix the concrete slurry added at the inlet.
As optimization, the outer wrapping of slip casting pipe has cylindrical spring, and cylindrical spring both ends and slip casting pipe both ends outer wall fixed connection. The slip casting pipe is used for the terminal concrete of conveyor to the injection of target location, and the slip casting pipe pours into through mechanical clamping or handheld mode, and for the convenience of carrying out the position adjustment, the slip casting pipe is the hose, and the problem of local buckling probably takes place for the hose, wraps up cylindrical spring outside the hose to when local buckling takes place, the spring provides resistance, makes it keep long straight state, only stirs down at the manpower, just can take place the bending of big radius so that the injection site is appropriate.
Compared with the prior art, the invention has the beneficial effects that: the concrete ascending channel is built through a plurality of stages of sections, a plurality of feeding pumps are arranged at different heights of the ascending channel, the feeding pump at one position pressurizes and pumps the surrounding concrete, the feeding pump at the next position is pressurized again when the feeding pump reaches the next position, each time of pressurization is used for lifting the height between the two feeding pumps, the feeding pump at the topmost position is injected to a proper position through a connecting pipe and a grouting pipe, and different numbers of sections are sequentially stacked and the feeding pumps are additionally arranged according to the height position of the building during construction, so that the requirement of adding concrete during continuous construction of the building is met; the ascending pipeline does not need to have high bearing pressure in a grading pressurization mode, the segments can be manufactured into standard parts, and the transportation is also convenient; when the feeding pump is used for pressurizing and conveying, fine crushing gas is blown into the concrete to help stir and refine the internal structure of the concrete, the strength of the pre-aerated concrete is almost unchanged, but the specific gravity is slightly reduced.
Drawings
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a schematic representation of the use of the present invention;
FIG. 2 is a schematic view of the inlet assembly and adjacent components of the present invention;
FIG. 3 is a schematic view of the installation of the segment, charge pump of the present invention;
FIG. 4 is a schematic view of the installation of the feed pump of the present invention;
FIG. 5 is view A of FIG. 4;
fig. 6 is a perspective view of a segment of the present invention.
In the figure: 1-inlet component, 11-charging hopper, 12-stirrer, 13-blanking elbow, 2-segment, 21-segment pipe, 22-frame, 23-connecting foot, 24-connecting rod, 3-charging pump, 31-barrel shell, 311-mounting disk, 32-helical impeller, 33-motor, 331-cable, 34-mounting seat, 341-main seat, 342-cover plate, 3401-ring groove, 3402-air guide hole, 35-sand head, 36-air pipe, 39-connecting frame, 4-connecting pipe, 5-grouting pipe, 8-sealing ring and 9-supporting frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, concrete grouting conveying device for high-rise building construction, including inlet assembly 1, a plurality of sections 2, a plurality of material loading pumps 3, connecting pipe 4, slip casting pipe 5 and support frame 9, as shown in fig. 2, inlet assembly 1 includes loading hopper 11 and unloading elbow 13, loading hopper 11 and unloading elbow 13 are supported and installed on the basis by support frame 9, unloading elbow 13 one end is connected to loading hopper 11 bottom, sections 2 are vertical to be piled up in proper order and are fixed each other through the fastener, material loading pump 3 is installed by section 2 butt clamp, the pumping direction of material loading pump 3 is from down up, the other end of unloading elbow 13 is connected to section 2 bottom of bottommost, connecting pipe 4 is used for connecting the top of section 2 of topmost and slip casting pipe 5 one end.
The spliced conveying device can continuously increase the height along with the construction of a building, a cement pump truck is not required to be arranged on the site, the traffic condition on the site does not have higher requirements any more, a plurality of sections 2 which are vertically overlapped and built up are concrete ascending channels, concrete raw materials are added into a hopper 11 near the ground and reach the bottommost section 2 after turning, a feeding pump 3 arranged at the bottommost section is started to pressurize and convey slurry upwards, as long as concrete is added at an inlet, the concrete continuously ascends in the vertically ascending section 2, the invention also adopts a graded conveying mode, the feeding pumps 3 are arranged at a plurality of height positions, so that the upward power of the concrete is obtained in batches, the spliced conveying device is different from a high-pressure conveying pump which is directly arranged on the ground, booster pumps are arranged at a plurality of height positions, the pressure bearing of the bottom section 2 can be reduced, for example: in the past, concrete is conveyed on a building floor with the height of 100 meters, the specific gravity of the concrete is recorded as 2.2, if only one booster pump is arranged at the bottom, the loss such as flow resistance is neglected, the pressure head of a single booster pump needs 2.2 × 100 × 0.01 ═ 2.2MPa, namely, the pressure bearing capacity of 2.2MPa is needed at the outlet of the booster pump at the very least, the flow resistance and the safety coefficient are considered and can be multiplied by a coefficient of more than 3, therefore, the normal pressure requirement on the bottom section 2 is very high, after the concrete is conveyed in a grading manner, the feeding pump 3 is arranged at intervals of twenty meters, therefore, the pressure head of each pump only needs the original 1/5, the outlet pipeline of each pump only needs the original 1/5 pressure bearing, the pressure bearing requirement is greatly reduced, and the wall thickness of the joint pipe 21 does not.
Moreover, during the graded conveying, because the acting parts of the feeding pumps 3 are in contact with the concrete in a large quantity, the feeding pumps 3 can also play a role in stirring one by one, so that the concrete in the ascending process can be more uniformly refined, and the pouring quality is higher.
It should be noted that if the concrete in the segment 2 needs to be removed after the pouring is finished, the operation of the feeding pump 3 should be maintained while the inlet assembly 1 collects the concrete in the pipe, and the force exerted by the feeding pump 3 on the concrete therein should at least offset more than 80% of the gravity force, because if all the feeding pumps 3 are stopped, the gravity force of the concrete in the vertical segment 2 is directly loaded on the bottommost segment pipe 21, which bears much higher pressure than the design pressure, and therefore, the stopping operation cannot be performed when a large amount of concrete still remains in the segment 2.
As shown in fig. 2 and 3, the segment 2 includes a tube 21, and the tube 21 is a section of cylinder with a flange; as shown in fig. 4 and 5, the feeding pump 3 includes a cylindrical shell 31, a helical impeller 32, a motor 33, a mounting seat 34, and a connecting frame 39, the cylindrical shell 31 is a section of cylindrical body and is provided with a radially extending mounting plate 311 at the middle position of the outer surface, the connecting frame 39 extends from the inner wall of the cylindrical shell 31 for the mounting seat 34, the motor 33 is mounted on the mounting seat 34, the motor 33 is in transmission connection with one end of the helical impeller 32, the helical impeller 32 is vertically arranged, the other end of the helical impeller 32 is rotatably supported by a bearing mounted on the connecting frame 39,
the outer diameter of the mounting seat 34 is smaller than the inner diameter of the cylinder shell 31, the outer diameter of the cylinder shell 31 is smaller than the inner diameter of the tube joints 21, the mounting disc 311 is positioned between the two tube joints 21 and is clamped and fixed by the facing opposite flanges of the two tube joints 21, and the mounting disc 311 is fixed with the two adjacent tube joints 21 through a fastener.
The joints 21 are not required to bear different pressure according to different height positions, and only the joints 21 with uniform specifications are required in height, so that the joint is more standardized in manufacturing, the joints 21 with the same length are used as main parts of the joint 2, a rising channel is constructed in a vertically stacked manner, the spiral impeller 32 is used as a working component, the spiral impeller is driven to rotate by the motor 33 to push the concrete nearby the spiral impeller upwards, the motor has different rotating directions according to different rotating directions of the blades of the spiral impeller, as shown in fig. 3, when the spiral blade rotates leftwards, the rotating direction of the spiral blade rotates anticlockwise from top to bottom, the outer wall of the barrel shell 31 is tightly attached to the inner wall of the joint 21, the concrete enters the vicinity of the spiral impeller 32 through the through hole at the end part of the barrel shell 31 below the spiral impeller, the concrete pressurized by the spiral impeller 32 continuously flows upwards, the maximum pressurizing value of the spiral impeller 32 is at least equal to the pressure value of the concrete at the position where the spiral impeller rises to the next feeding pump 3, sequentially applying force and uploading;
the mounting plate 311 serves as a positioning structure in two directions, namely, the vertical direction is realized by respectively abutting against the end surfaces of the joint pipes 21 on the upper side and the lower side through the upper end surface and the lower end surface of the mounting plate, and the positioning in the horizontal direction is realized through positioning pieces such as spigots or cylindrical pins.
The direction and the rotation direction of the helical impeller 32 of the feeding pump 3 are alternately reversed, so that the rotation direction of the feeding pump 3 for stirring concrete is alternately changed.
As shown in fig. 3 and 5, the feeding pump 3 further includes a sand head 35 and an air pipe 36, the mounting seat 34 includes a main seat 341 and a cover plate 342, the helical impeller 32 is located above the motor 33, the main seat 341 is fixed on the inner wall of the barrel shell 31 through a connecting frame 39, the cover plate 342 is located above the main seat 341 and is connected with the main seat 341 through a fastener, a half-and-half separated ring groove 3401 is arranged on the contact surface between the main seat 341 and the cover plate 342, a plurality of air vents 3402 are arranged on the cover plate 342, one end of each air vent 3402 is connected with the ring groove 3401, the other end of each air vent 3402 is connected with the upper surface of the cover plate 342, the sand head 35 is arranged at the end of the upper surface of the cover.
As shown in fig. 4, the helical impeller 32 has a large helical blade and a small helical blade, the large helical blade is located above the mounting seat 34 as a main working component, and the outer edge of the large helical blade abuts against the inner wall of the cylinder shell 31. The small helical blade is located in a through hole for receipt in the mounting block 34 and abuts against the wall of the bore in the mounting block 34. The small helical blades are used for blocking the concrete flowing in the cylinder shell 31 to the shaft head of the motor 33, and the small helical blades have the same rotating direction as the large helical blades and push the concrete upwards.
As shown in fig. 2 and 6, the segments 2 further include a frame 22, connecting legs 23 and connecting rods 24, the frame 22 is a truss structure formed by a plurality of metal struts, the connecting legs 23 are arranged at four corners of the frame 22, one end of each connecting rod 24 is fixed on the outer wall of the segment tube 21, the other end of each connecting rod 24 is fixed on the frame 22, and adjacent segments 2 are fastened to each other through the connecting legs 23.
The section pipes 21 are determined to be thick and thin according to the required concrete flow, and are not required to be thick, so that if the section 2 is only a section of thin section pipes 21 vertically stacked, the structural stability is not enough, therefore, a frame 22 is arranged outside the section pipes 21, the frame 22 has a larger horizontal width, and the stacked section pipes have larger stability, and are similar to a mounting frame of a tower crane.
The height error is adjusted by positioning between the joint pipe 21 and the joint pipe 21 or between the joint pipe 21 and the mounting disc 311 through a pin and adjusting through a gasket. The pins are accurately positioned and are convenient to process and install, because the vertically overlapped fastening positions of the sections 2 become four corners of the frame 22, the height of the frame 22 in the same section 2 and the height of the section pipes 22 have processing errors inevitably, so that the pins need to be compensated through gaskets, and gaskets with the thickness equal to that of the mounting disc 311 are additionally arranged between the connection parts 22 of the two sections 2 with the feeding pumps 3.
As shown in fig. 4 and 5, the air tube 36 is embedded in the connecting frame 39 and the barrel shell 31 and extends from the side surface of the mounting plate 311 to the outside; the motor 33 includes a cable 331, and the cable 331 is embedded in the connecting frame 39 and the cartridge case 31 and extends from the side of the mounting plate 311 to the outside.
The air tube 36 and the cable 331 are routed from the mounting plate 311, so that a separate sealing structure is not required to be arranged on the tube 21, and the tube 21 is kept simple.
The electric motor 33 has at least two speeds. The high speed of the motor 33 is used for boosting and the low speed of the motor 33 is used for balancing the weight of the concrete near the section and increasing the stirring effect.
The inner wall of the cylinder shell 31 is provided with a material level sensor, and the material level sensor in the same feeding pump 3 is controlled by the motor 33 in an interlocking way. The level sensor is used to detect whether there is concrete, which should be operated, and if the concrete has not risen to the height or the liquid level drops when the concrete is emptied, the motor 33 can be turned off in sequence.
The inlet assembly 1 further comprises a blender 12, the blender 12 being mounted within the hopper 11 by the support frame 9. The mixer 12 is used to thoroughly mix the concrete slurry added at the inlet.
The outer parcel of slip casting pipe 5 has cylindrical spring, and cylindrical spring both ends and the outer wall fixed connection in slip casting pipe 5 both ends. Slip casting pipe 5 is used for the terminal concrete of conveyor to the injection of target location, and slip casting pipe 5 pours into through mechanical clamping or handheld mode, and for the convenience of carrying out the position adjustment, slip casting pipe 5 is the hose, and the hose probably takes place the problem of local buckling, wraps up cylindrical spring outside the hose to when local buckling takes place, the spring provides resistance, makes it keep long straight state, only stirs down at the manpower, just can take place the bending of big radius so that the injection position is appropriate.
The main operation process of the device is as follows: the operator adds the concrete into the loading hopper 11, then, the concrete bypasses the unloading elbow 13 and reaches the feeding pump 3 at the bottommost, the concrete is pressurized by the feeding pump 3 at the position so as to move upwards along the segment 2, the concrete is pressurized again when reaching the feeding pump 3 at the next position, the pressurization is used for the height lifting between the two feeding pumps 3 at each time, the concrete is injected into a proper position at the topmost position through the connecting pipe 4 and the grouting pipe 5, and different numbers of segments 2 are sequentially stacked and the feeding pumps 3 are additionally arranged according to the height position during the construction of a high building, so that the requirement of adding the concrete during the continuous construction of the high building is met.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a concrete grouting conveyor for high-rise building construction which characterized in that: the conveying device comprises an inlet assembly (1), a plurality of sections (2), a plurality of feeding pumps (3), a connecting pipe (4), a grouting pipe (5) and a supporting frame (9), the inlet component (1) comprises a charging hopper (11) and a blanking elbow (13), the charging hopper (11) and the blanking elbow (13) are both supported by a supporting frame (9) and are arranged on a foundation, the bottom of the charging hopper (11) is connected with one end of a blanking elbow (13), the segments (2) are vertically and sequentially stacked and fixed with each other through fasteners, the feeding pump (3) is installed by the segments (2) in a butt-clamping way, the pumping direction of the feeding pump (3) is from bottom to top, the bottom end of the segment (2) at the lowest part is connected with the other end of the blanking elbow (13), the connecting pipe (4) is used for connecting the top end of the uppermost section (2) and one end of the grouting pipe (5);
the segment (2) comprises a tube (21), and the tube (21) is a section of cylinder with a flanging; the feeding pump (3) comprises a barrel shell (31), a spiral impeller (32), a motor (33), a mounting seat (34) and a connecting frame (39), wherein the barrel shell (31) is a section of barrel body and is provided with a mounting disc (311) extending radially in the middle of the outer surface, the connecting frame (39) extends out of the inner wall of the barrel shell (31) and is used for the mounting seat (34), the motor (33) is mounted on the mounting seat (34), the motor (33) is in transmission connection with one end of the spiral impeller (32), the spiral impeller (32) is vertically arranged, the other end of the spiral impeller (32) is rotatably supported through a bearing mounted on the connecting frame (39),
the outer diameter of the mounting seat (34) is smaller than the inner diameter of the cylinder shell (31), the outer diameter of the cylinder shell (31) is smaller than the inner diameter of the section pipes (21), the mounting disc (311) is located between the two section pipes (21) and is clamped and fixed by the facing turned edges of the two section pipes (21), and the mounting disc (311) and the two adjacent section pipes (21) are fixed together through fasteners.
2. The concrete grouting conveying device for high-rise building construction according to claim 1, characterized in that: the feeding pump (3) also comprises a sand head (35) and an air pipe (36), the mounting seat (34) comprises a main seat (341) and a cover plate (342), the spiral impeller (32) is positioned above the motor (33), the main seat (341) is fixed on the inner wall of the cylinder shell (31) through a connecting frame (39), the cover plate (342) is positioned above the main seat (341) and is connected with the main seat (341) through a fastener, a semi-divided ring groove (3401) is arranged on the contact surface of the main seat (341) and the cover plate (342), a plurality of air vents (3402) are arranged on the cover plate (342), one end of each air vent (3402) is connected with the annular groove (3401), and the other end is connected with the upper surface of the cover plate (342), the one end that air guide hole (3402) connect apron (342) upper surface is equipped with sand head (35), trachea (36) are connected to annular (3401) from the external world.
3. The concrete grouting conveying device for high-rise building construction according to claim 1, characterized in that: the spiral impeller (32) is provided with a large spiral blade and a small spiral blade, the large spiral blade is used as a main acting part and is positioned above the mounting seat (34), the small spiral blade is positioned in a through hole for accommodating in the mounting seat (34), and the small spiral blade is abutted against the wall surface of the inner hole of the mounting seat (34).
4. The concrete grouting conveying device for high-rise building construction according to claim 1, characterized in that: the segment (2) further comprises a frame (22), connecting feet (23) and connecting rods (24), the frame (22) is of a truss structure formed by a plurality of metal supporting rods, the connecting feet (23) are arranged at four corners of the frame (22), one end of each connecting rod (24) is fixed to the outer wall of the corresponding segment pipe (21), one end of each connecting rod is fixed to the frame (22), and adjacent segments (2) are fastened to each other through the connecting feet (23).
5. The concrete grouting conveying device for high-rise building construction according to claim 1, characterized in that: the height error is adjusted through pin positioning and gaskets between the joint pipe (21) and the joint pipe (21) or between the joint pipe (21) and the mounting disc (311).
6. The concrete grouting conveying device for high-rise building construction according to claim 2, characterized in that: the air pipe (36) is embedded in the connecting frame (39) and the cylinder shell (31) and extends to the outside from the side surface of the mounting disc (311); the motor (33) comprises a cable (331), and the cable (331) is embedded in the connecting frame (39) and the barrel shell (31) and extends to the outside from the side face of the mounting disc (311).
7. The concrete grouting conveying device for high-rise building construction according to claim 1, characterized in that: the motor (33) has at least two speeds; the inner wall of the cylinder shell (31) is provided with a level sensor, and the level sensor and the motor (33) in the same feeding pump (3) are controlled in an interlocking mode.
8. The concrete grouting conveying device for high-rise building construction according to claim 1, characterized in that: the inlet assembly (1) further comprises a stirrer (12), wherein the stirrer (12) is arranged in the loading hopper (11) through a supporting frame (9).
9. The concrete grouting conveying device for high-rise building construction according to claim 1, characterized in that: the outer parcel of slip casting pipe (5) has cylindrical spring, and cylindrical spring both ends and slip casting pipe (5) both ends outer wall fixed connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911411691.3A CN111042535B (en) | 2019-12-31 | 2019-12-31 | Concrete grouting conveying device for high-rise building construction |
| CN202110548407.8A CN114892986A (en) | 2019-12-31 | 2019-12-31 | Concrete grouting conveying device for high-rise building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911411691.3A CN111042535B (en) | 2019-12-31 | 2019-12-31 | Concrete grouting conveying device for high-rise building construction |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110548407.8A Division CN114892986A (en) | 2019-12-31 | 2019-12-31 | Concrete grouting conveying device for high-rise building construction |
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| Publication Number | Publication Date |
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| CN111042535A CN111042535A (en) | 2020-04-21 |
| CN111042535B true CN111042535B (en) | 2021-07-13 |
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| CN201911411691.3A Expired - Fee Related CN111042535B (en) | 2019-12-31 | 2019-12-31 | Concrete grouting conveying device for high-rise building construction |
| CN202110548407.8A Pending CN114892986A (en) | 2019-12-31 | 2019-12-31 | Concrete grouting conveying device for high-rise building construction |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110548407.8A Pending CN114892986A (en) | 2019-12-31 | 2019-12-31 | Concrete grouting conveying device for high-rise building construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115306153A (en) * | 2021-05-07 | 2022-11-08 | 振中建设集团有限公司 | High-rise building concrete pouring structure and method |
| CN113700133B (en) * | 2021-07-20 | 2023-08-15 | 巨匠建设集团股份有限公司 | Construction technology and device for high-rise building connecting channel structure |
| CN114856199B (en) * | 2022-05-24 | 2023-09-12 | 中海建筑有限公司 | Column core pouring process |
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Also Published As
| Publication number | Publication date |
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| CN111042535A (en) | 2020-04-21 |
| CN114892986A (en) | 2022-08-12 |
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Inventor after: Hou Baowen Inventor after: Yang Hongchun Inventor after: Wang Yue Inventor after: Lv Guanghua Inventor before: Lv Guanghua |
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Effective date of registration: 20210624 Address after: No.114, Jiaodaokou South Street, Dongcheng District, Beijing, 100007 Applicant after: CCCC FOURTH HIGHWAY ENGINEERING Co.,Ltd. Applicant after: The Third Construction Engineering Co., Ltd. of CCCC Fourth Engineering Co.,Ltd. Address before: 210000 No.1 buyue Road, Pukou District, Nanjing, Jiangsu Province Applicant before: Lv Guanghua |
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