CN116356701A

CN116356701A - Bridge pile foundation concrete pouring device and porous grouting concrete construction process

Info

Publication number: CN116356701A
Application number: CN202310381103.6A
Authority: CN
Inventors: 秦峰; 高鹏
Original assignee: Zhong Zi Hua Ke Traffic Construction Technology Co ltd
Current assignee: Zhong Zi Hua Ke Traffic Construction Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-06-30

Abstract

The invention relates to the technical field of concrete pouring, in particular to a bridge pile foundation concrete pouring device and a porous grouting concrete construction process, comprising a tower crane hopper, wherein a stagnation-containing cavity is formed in the tower crane hopper, comprises a columnar cavity and a conical cavity, and further comprises: a first scraper and a second scraper; the following rotating assembly is matched with the first scraping plate and the second scraping plate, and can drive the first scraping plate and the second scraping plate to do circular motion and move along the length direction of the central axis of the tower crane hopper; the folding component is connected with the second scraping plate, and can change the radius of the circular motion of the second scraping plate when the second scraping plate moves circularly and moves along the length direction of the central axis of the columnar cavity; the power mechanism comprises a lifting assembly and a plugging assembly, wherein the lifting assembly is connected with the following rotating assembly, and the plugging assembly can conduct a feed opening of the tower crane hopper when the lifting assembly acts so as to scrape concrete adhered on the inner wall of the tower crane hopper.

Description

Bridge pile foundation concrete pouring device and porous grouting concrete construction process

Technical Field

The invention relates to the technical field of concrete pouring, in particular to a bridge pile foundation concrete pouring device and a porous grouting concrete construction process.

Background

In industrial buildings, concrete pouring is an important step in the construction process, and the quality of concrete pouring directly influences the quality of the building. The pouring of large-scale building concrete is usually performed by a concrete pump truck. However, under some special conditions, the concrete pump truck cannot reach due to the narrow operation space; or when the concrete placement channel is narrow, concrete placement work needs to be performed by using a tower hopper.

When using, the tower crane hopper carries out the pouring operation of concrete, need cooperate with the manual work to open the feed opening of tower crane hopper, and after pouring, residual concrete easily on the inner wall of tower crane hopper, if not in time handle can lead to the inner wall bodiness of tower crane hopper, reduce pouring efficiency, and if the concrete on the tower crane hopper inner wall takes place to solidify, later stage also will produce comparatively expensive clearance expense.

Disclosure of Invention

The invention aims to provide a bridge pile foundation concrete pouring device and a porous grouting concrete construction process, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

bridge pile foundation concrete placement device, including the tower crane hopper, be formed with in the tower crane hopper and hold stagnate the cavity, hold stagnate the cavity and include column cavity and taper cavity, still include:

the first scraping plate is arranged in the columnar cavity and is used for scraping the concrete adhered to the side wall of the columnar cavity;

the second scraping plate is arranged in the conical cavity and is used for scraping the concrete adhered to the side wall of the conical cavity;

the following rotating assembly is matched with the first scraping plate and the second scraping plate, and can drive the first scraping plate and the second scraping plate to do circular motion in a staggered mode and move along the length direction of the central axis of the tower crane hopper;

the folding component is connected with the second scraping plate, and can change the radius of the circular motion of the second scraping plate when the second scraping plate moves circularly and moves along the length direction of the central axis of the columnar cavity;

the power mechanism comprises a lifting assembly and a plugging assembly, wherein the lifting assembly is connected with the following rotating assembly, and the plugging assembly can conduct a feed opening of the tower crane hopper when the lifting assembly acts.

As a further scheme of the invention: the lifting assembly comprises a frame structure fixedly arranged on the tower crane hopper, two driving wheels are rotatably arranged on the frame structure, a driving belt is sleeved between the two driving wheels, and a jogging block is rotatably arranged on the driving belt;

the rotating shaft of one of the driving wheels is connected with a driving device arranged on the frame body structure;

the lifting assembly further comprises a connecting frame arranged on the frame body structure in a sliding mode, one end of the connecting frame is connected with the following rotating assembly, the other end of the connecting frame is provided with a lifting piece, the lifting piece is provided with a jogging groove along the length direction of the lifting piece, and the jogging block can slide in the jogging groove.

As still further aspects of the invention: the following rotating assembly comprises a rotating shaft rotatably installed in the tower crane hopper, the interior of the rotating shaft is of a hollow structure, and the connecting frame is arranged in the rotating shaft in a sliding manner;

the rotating shaft is connected with a bevel gear set rotatably installed on the frame body structure through a third belt, and the bevel gear set is connected with the rotating shaft of the driving wheel through a second belt;

the following rotating assembly further comprises a first collar sleeved on the rotating shaft, the first collar is connected with the first scraping plate through a connecting rod, and a jogged ring coaxial with the first collar is connected to the first collar and is matched with a clamping structure of the connecting frame.

As still further aspects of the invention: the clamping structure comprises a transverse plate fixedly connected with the connecting frame, a first sliding groove is formed in the transverse plate along the length direction of the transverse plate, a first sliding block is slidably installed in the first sliding groove, a clamping piece is fixedly installed on the first sliding block, and an arc groove matched with the embedded ring is formed in the clamping piece;

the clamping structure further comprises a shaft body fixedly installed in the first sliding groove and in sliding connection with the first sliding block, a first spring is sleeved in the shaft body, one end of the first spring is connected with the first sliding block, and the other end of the first spring is connected with the inner wall of the first sliding groove.

As still further aspects of the invention: the rotary shaft is sequentially provided with a third fixing part, a first fixing part and a second fixing part along the length direction;

a limiting block is further arranged on the rotating shaft along the length direction of the rotating shaft, and the limiting block is matched with a guide groove arranged in the first sleeve ring;

the transverse plate and the connecting frame are provided with arc triangular pieces therebetween, the arc triangular pieces are matched with the ejector rods arranged on the folding assembly, the folding assembly can rotate along with the rotating shaft, and the ejector rods are matched with the first lantern ring.

As still further aspects of the invention: the folding component comprises a second lantern ring which is sleeved on the rotating shaft in a sliding way and is positioned between the first fixing part and the second fixing part, and a sleeving piece;

the second lantern ring is fixedly connected with the ejector rod, a follow-up sleeve plate is fixed on the second lantern ring, a hollow structure is arranged in the follow-up sleeve plate, a telescopic plate is slidably arranged in the follow-up sleeve plate, one end of the telescopic plate is connected with the second scraping plate, the other end of the telescopic plate is provided with a protruding shaft penetrating through the follow-up sleeve plate, and the protruding shaft can slide in a chute arranged on the sleeve piece;

and a second spring is sleeved on the rotating shaft, one end of the second spring is connected with the second lantern ring, and the other end of the second spring is connected with the sleeve piece.

As still further aspects of the invention: the plugging assembly comprises two plugging plates which are slidably arranged on the discharging opening of the tower crane hopper, and the discharging state of the tower crane hopper can be changed by matching the two plugging plates;

the plugging assembly further comprises a driven shaft connected with the driving wheel through a first belt, the inside of the driven shaft is of a hollow structure, a pushing plate is slidably mounted on the driven shaft, the pushing plate is rotationally connected with a transverse shaft arranged in the driven shaft, one end of the transverse shaft, far away from the pushing plate, is rotationally provided with two hinging rods, and the two hinging rods are rotationally connected with the two plugging plates respectively;

the pushing plate is connected with a centrifugal structure arranged on the driven shaft.

As still further aspects of the invention: the centrifugal structure comprises a rotating piece fixedly arranged on the driven shaft, a second sliding groove is formed in the rotating piece, a second sliding block is arranged in the second sliding groove in a sliding mode, a traction rod is rotatably arranged on the second sliding block, and one end, far away from the second sliding block, of the traction rod is rotatably connected with the pushing plate;

the centrifugal structure further comprises a third spring sleeved on the driven shaft, one end of the third spring is connected with the pushing plate, and the other end of the third spring is connected with the rotating piece.

The construction process for porous grouting concrete by using the bridge pile foundation concrete pouring device comprises the following steps:

s1: building a reinforced structure according to a construction drawing, assembling straight guide pipes with preset diameters into the reinforced structure according to the number and positions of water guide ports on the construction drawing after the reinforced structure is built, cladding the periphery of the reinforced structure by using a combined template, and forming drainage ports after concrete pouring is completed by the plurality of straight guide pipes so as to reduce impact damage of water flow to bridge pile foundations;

s2: pouring the C25 underwater concrete into a tower crane hopper, conveying the tower crane hopper to the upper part of the reinforced structure by using tower crane equipment, and then starting a power mechanism;

s3: when the power mechanism acts, the plugging component conducts a discharge hole of the tower crane hopper, so that concrete in the tower crane hopper flows out, meanwhile, the lifting component drives the following rotating component to move downwards, and when the following rotating component moves downwards, the first scraping plate and the second scraping plate are sequentially driven to do circular motion so as to scrape the concrete adhered on the inner wall of the tower crane hopper, and the conveying efficiency of the tower crane hopper is improved;

s4: after the concrete is poured, vibrating the poured concrete by using a vibrating rod to eliminate bubbles in the steel bar structure and improve the structural strength of the solidified concrete;

s5: repeating the steps S1 to S5, performing multi-layer pouring until the reinforced structure in the combined template is covered by concrete, and performing the next construction after the concrete is solidified.

Compared with the prior art, the invention has the beneficial effects that:

compared with the existing manual opening mode, the automatic opening of the tower crane hopper is higher in automation degree, and the opening of the tower crane hopper is determined by the working condition of the driving device, so that the safety of workers in construction is greatly improved;

through the follow rotating assembly that sets up and the subassembly that draws in, can realize striking off the concrete on the column cavity inner wall in the tower crane hopper, and make at the back of accomplishing concrete placement at every turn, the concrete of adhesion is less on the column cavity inner wall, avoid because the concrete adhesion causes the inner wall thickening of tower crane hopper at the lateral wall of tower crane hopper, improve the carrying capacity at the concrete placement in-process, reduce the transportation number of times of concrete placement in-process, shorten the construction cycle, simultaneously drive rotation axis rotation and even the in-process of frame downstream at drive arrangement, the rotation axis will drive collar and collar action No. two in proper order, and the action time sequence of collar and No. two collars is dislocation set, and make at drive arrangement in-process that moves, avoid driving collar and No. two collar actions for a long time to arouse drive arrangement's load too high, lead to drive arrangement to burn out, drive arrangement's durability has been improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a bridge pile foundation concrete casting device.

Fig. 2 is a schematic view of another angle of the bridge pile foundation concrete casting device according to the embodiment.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is a schematic diagram of an internal structure of a tower crane hopper in an embodiment of a bridge pile foundation concrete pouring device.

Fig. 5 is a schematic structural view of a following rotary assembly, a folding assembly, and a power mechanism in an embodiment of a bridge pile foundation concrete casting device.

Fig. 6 is a schematic structural view of a lifting assembly in an embodiment of a bridge pile foundation concrete casting device.

Fig. 7 is a schematic structural view of a following rotary assembly in an embodiment of a bridge pile foundation concrete placement device.

Fig. 8 is a schematic structural view of a first collar in an embodiment of a bridge pile foundation concrete placement device.

Fig. 9 is a schematic structural view of a furling assembly in an embodiment of a bridge pile foundation concrete placement device.

Fig. 10 is a schematic structural view of a plugging assembly in an embodiment of a bridge pile foundation concrete casting device.

Fig. 11 is a schematic structural diagram of a connection relationship between a plugging plate and a pushing plate in an embodiment of a bridge pile foundation concrete pouring device.

In the figure: 1. a tower crane hopper; 2. a frame structure; 3. a driving device; 4. a driving wheel; 5. a transmission belt; 6. a fitting block; 7. a lifting member; 701. a fitting groove; 8. a connecting frame; 9. a transverse plate; 901. arc triangular pieces; 10. a first chute; 11. a shaft body; 12. a first spring; 13. a first sliding block; 14. a clamping member; 1401. arc grooves; 15. a fitting ring; 16. a first collar; 1601. a guide groove; 17. a first scraping plate; 18. a connecting rod; 19. a rotation shaft; 1901. a limiting block; 1902. a first fixing part; 1903. a second fixing part; 1904. a third fixing part; 20. a second collar; 2001. a push rod; 21. a follower sleeve plate; 22. a telescoping plate; 2201. a second scraper; 2202. a protruding shaft; 23. a sleeve member; 2301. a chute; 24. a second spring; 25. a first belt; 26. a driven shaft; 27. a pushing plate; 28. a horizontal axis; 29. a hinge rod; 30. a plugging plate; 31. a third spring; 32. a rotating member; 33. a second chute; 34. a second slide block; 35. a pulling rod; 36. a second belt; 37. a bevel gear set; 38. and a third belt.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 11, in an embodiment of the present invention, a bridge pile foundation concrete pouring device includes a tower crane hopper 1, wherein a stagnation-accommodating chamber is formed in the tower crane hopper 1, and the stagnation-accommodating chamber includes a columnar chamber and a conical chamber;

further comprises: a first scraper 17, a second scraper 2201, a following rotating component, a drawing component and a power mechanism.

The power mechanism comprises a lifting assembly and a plugging assembly, the lifting assembly is connected with the following rotating assembly, and the plugging assembly can conduct a feed opening of the tower crane hopper 1 when the lifting assembly acts;

the lifting assembly comprises a frame body structure 2 fixedly arranged on the tower crane hopper 1, two driving wheels 4 are rotatably arranged on the frame body structure 2, a driving belt 5 is sleeved between the two driving wheels 4, and an embedded block 6 is rotatably arranged on the driving belt 5;

the rotating shaft of one driving wheel 4 is connected with a driving device 3 arranged on the frame body structure 2;

the lifting assembly further comprises a lifting piece 7 connected with the connecting frame 8, the lifting piece 7 is provided with a jogging groove 701 along the length direction, and the jogging block 6 can slide in the jogging groove 701;

the plugging assembly comprises two plugging plates 30 which are slidably arranged on the discharging opening of the tower crane hopper 1, and the discharging state of the tower crane hopper 1 can be changed by matching the two plugging plates 30;

the plugging assembly further comprises a driven shaft 26 connected with the driving wheel 4 through a first belt 25, the interior of the driven shaft 26 is of a hollow structure, a pushing plate 27 is slidably arranged on the driven shaft 26, the pushing plate 27 is rotatably connected with a transverse shaft 28 arranged in the driven shaft 26, one end of the transverse shaft 28 away from the pushing plate 27 is rotatably provided with two hinging rods 29, and the two hinging rods 29 are respectively rotatably connected with two plugging plates 30;

the pushing plate 27 is connected with a centrifugal structure arranged on the driven shaft 26, the centrifugal structure comprises a rotating piece 32 fixedly arranged on the driven shaft 26, a second sliding groove 33 is formed in the rotating piece 32, a second sliding block 34 is slidably arranged in the second sliding groove 33, a traction rod 35 is rotatably arranged on the second sliding block 34, and one end, far away from the second sliding block 34, of the traction rod 35 is rotatably connected with the pushing plate 27;

the centrifugal structure further comprises a third spring 31 sleeved on the driven shaft 26, one end of the third spring 31 is connected with the pushing plate 27, and the other end of the third spring is connected with the rotating piece 32.

In the initial state, under the effect of spring No. 31, push plate 27 is in the state of keeping away from rotating member 32, and cross axle 28 pulls two shutoff boards 30 through articulated rod 29 and is in the state of mutual butt at this moment, and two shutoff boards 30 mutually support and block the feed opening of tower crane hopper 1, and when getting into C25 underwater concrete in tower crane hopper 1 this moment, can avoid C25 underwater concrete to flow by the discharge gate of tower crane hopper 1.

When the tower crane hopper 1 is filled with C25 underwater concrete and the tower crane hopper 1 is conveyed to the upper part of the reinforced structure through tower crane equipment, the driving device 3 can be controlled to work, at the moment, the output shaft of the driving device 3 drives the driven shaft 26 to rotate through the first belt 25 (the first belt 25 is an accelerating belt, namely, the diameter of a belt pulley on the output shaft of the driving device 3 is larger than that of the belt pulley on the driven shaft 26, the rotating speed of the driven shaft 26 is faster than that of the driving device 3), when the driven shaft 26 rotates, the rotating piece 32 can circularly move, the second sliding block 34 can generate centrifugal force (a lead block is arranged in the second sliding block 34), the second sliding block moves away from the driven shaft 26 along the length direction of the second sliding groove 33, and when the second sliding block 34 moves, the pushing plate 27 is pulled by the pulling rod 35 to move along the length direction of the driven shaft 26, and then under the action of the two hinging rods 29, the two plugging plates 30 move away from each other, so that the discharging opening of the tower crane hopper 1 is conducted.

Through above-mentioned setting, utilize centrifugal force to make the feed opening of tower crane hopper 1 switch on, compare in current manual mode of opening, degree of automation is higher, and because the height of reinforced structure is higher, the workman just can use one hand to fix oneself's health in the in-process of manual opening tower crane hopper 1, and tower crane hopper 1 has the risk of rocking when hoist and mount for there is certain potential safety hazard at the in-process that the workman manually opened tower crane hopper 1, and in this embodiment, the opening of tower crane hopper 1 is decided by whether the work of drive arrangement 3, the security when having improved the workman greatly.

Further, when the driving device 3 works, the output shaft of the driving device drives one of the driving wheels 4 to rotate, so that the driving belt 5 sleeved between the two driving wheels 4 moves, the embedded block 6 moves along with the driving belt 5, and the embedded block 6 is slidably arranged in the embedded groove 701, so that in the continuous movement process of the driving belt 5, the lifting piece 7 can be driven to lift under the action of the embedded block 6 and the embedded groove 701, and in the embodiment of the invention, in the casting process, the lifting piece 7 only lifts once.

It should be noted that, the driving wheel 4 and the driving belt 5 are respectively in a sprocket and chain structure, so as to prevent the slipping phenomenon between the driving belt 5 and the driving wheel 4, and the driving belt 5 may be considered to be composed of two straight line segments and two circumferential segments, and when the engaging block 6 moves to the circumferential segment, the engaging block 6 will slide in the engaging groove 701.

Referring to fig. 1, 2, and 4 to 9, the first scraper 17 is disposed in the columnar cavity, and the first scraper 17 is used for scraping the concrete adhered to the side wall of the columnar cavity;

the second scraper 2201 is disposed in the conical cavity, and the second scraper 2201 is configured to scrape off concrete adhered to a sidewall of the conical cavity;

the following rotation assembly is adapted to the first scraper 17 and the second scraper 2201, and the following rotation assembly can alternatively drive the first scraper 17 and the second scraper 2201 to do circular motion and move along the length direction of the central axis of the tower crane hopper 1;

the connecting frame 8 comprises a connecting plate which is slidably arranged on the frame body structure 2 and is connected with the lifting piece 7, and an extension shaft which is rotatably arranged on the connecting plate, wherein the connecting plate is slidably connected with a fixed sleeve arranged on the frame body structure 2, and the extension shaft is connected with the following rotating component;

the following rotation assembly comprises a rotation shaft 19 rotatably installed in the tower crane hopper 1, the interior of the rotation shaft 19 is of a hollow structure, and the extension shaft is slidably arranged in the rotation shaft 19;

the rotating shaft 19 is connected with a bevel gear set 37 rotatably installed on the frame body structure 2 through a third belt 38, and the bevel gear set 37 is connected with the rotating shaft of the driving wheel 4 through a second belt 36;

the following rotating assembly further comprises a first collar 16 sleeved on the rotating shaft 19, the first collar 16 is connected with the first scraping plate 17 through a connecting rod 18, the first collar 16 is connected with a jogging ring 15 coaxial with the first collar 16, and the jogging ring 15 is matched with a clamping structure connected with the connecting frame 8.

The bevel gear set 37 comprises a first bevel gear and a second bevel gear which are rotatably arranged on the frame body structure 2 and meshed with each other, the first bevel gear is connected with the second belt 36, and the second bevel gear is connected with the third belt 38;

the clamping structure comprises a transverse plate 9 fixedly connected with the extension shaft, a first sliding groove 10 is formed in the transverse plate 9 along the length direction of the transverse plate, a first sliding block 13 is slidably installed in the first sliding groove 10, a clamping piece 14 is fixedly installed on the first sliding block 13, and an arc groove 1401 matched with the embedded ring 15 is formed in the clamping piece 14;

the clamping structure further comprises a shaft body 11 fixedly arranged in the first sliding chute 10 and in sliding connection with the first sliding chute 13, a first spring 12 is sleeved in the shaft body 11, one end of the first spring 12 is connected with the first sliding chute 13, and the other end of the first spring is connected with the inner wall of the first sliding chute 10;

the rotation shaft 19 is provided with a third fixing portion 1904, a first fixing portion 1902, and a second fixing portion 1903 in this order along the length direction thereof;

a limiting block 1901 is further arranged on the rotating shaft 19 along the length direction of the rotating shaft, and the limiting block 1901 is matched with a guide groove 1601 arranged in the first collar 16;

an arc triangular piece 901 is arranged between the transverse plate 9 and the connecting frame 8, the arc triangular piece 901 is matched with a push rod 2001 arranged on the folding component, the folding component can rotate along with the rotating shaft 19, and the push rod 2001 is matched with the first lantern ring 16.

In the initial state, the first scraper 17 and the second scraper 2201 are both at the highest stroke point, at this time, the fitting ring 15 and the circular arc groove 1401 on the clamping piece 14 are in the fitting state, meanwhile, the first spring 12 is in the compressed state, the first collar 16 and the third fixing part 1904 are in the abutting state, when the connecting frame 8 moves downwards, the transverse plate 9 is driven to move downwards along the length direction of the rotating shaft 19, the first collar 16 is driven to move downwards, and when the driving wheel 4 rotates, the driving wheel 4 drives the second belt 36, the bevel gear set 37 and the third belt 38 to drive the rotating shaft 19 to rotate, so that under the action of the limiting block 1901 and the guide groove 1601, the rotating shaft 19 drives the first collar 16 to rotate, namely, when the first collar 16 drives the first scraper 17 to rotate, the first collar 16 drives the first scraper 17 to do circular motion, and the concrete adhered on the inner wall of the cylindrical cavity in the tower crane hopper 1 is scraped.

Through the arrangement, the concrete on the inner wall of the column-shaped cavity in the tower crane hopper 1 can be scraped, so that after concrete pouring is completed each time, the concrete adhered to the inner wall of the column-shaped cavity is more, the thickening of the inner wall of the tower crane hopper 1 caused by the adhesion of the concrete to the side wall of the tower crane hopper 1 is avoided, the carrying capacity of the tower crane hopper 1 in the concrete pouring process is improved, the transferring times in the concrete pouring process are reduced, the construction period is shortened, meanwhile, the first scraping plate 17 rotates and moves downwards to spirally scrape the tower crane hopper 1, the contact area between the first scraping plate 17 and the concrete is smaller, and the output load of the driving device 3 is reduced.

Referring to fig. 2, 3, 10, and 11, the folding component is connected to the second scraper 2201, and the folding component can change the radius of the circular motion of the second scraper 2201 when the second scraper 2201 moves circularly and moves along the length direction of the central axis of the columnar cavity;

the folding component comprises a second collar 20 and a sleeve piece 23, wherein the second collar 20 is sleeved on the rotating shaft 19 in a sliding way and is positioned between the first fixing part 1902 and the second fixing part 1903;

the second collar 20 is fixedly connected with the ejector rod 2001, a follow-up sleeve plate 21 is fixed on the second collar 20, a hollow structure is arranged in the follow-up sleeve plate 21, a telescopic plate 22 is slidably installed in the follow-up sleeve plate 21, one end of the telescopic plate 22 is connected with the second scraping plate 2201, a protruding shaft 2202 penetrating through the follow-up sleeve plate 21 is arranged at the other end of the telescopic plate 22, and the protruding shaft 2202 can slide in a chute 2301 arranged on the sleeve piece 23;

the rotating shaft 19 is further sleeved with a second spring 24, one end of the second spring 24 is connected with the second sleeve ring 20, and the other end of the second spring is connected with the sleeve piece 23.

In the initial state, under the action of the No. two springs 24, the No. two lantern rings 20 are abutted against the No. one fixing portion 1902, the sleeve piece 23 is abutted against the No. two fixing portion 1903, and the No. two lantern rings 20 and the sleeve piece 23 are sleeved on the rotating shaft 19, so that when the No. one scraper 17 rotates, the No. two scraper 2201 is in a free state, and the load when the driving device 3 drives the No. one scraper 17 to rotate is smaller.

Along with the descent of the first collar 16, the arc triangular piece 901 is firstly contacted with the ejector rod 2001, the two sides of the arc triangular piece 901 are smooth inclined planes, so that when the arc triangular piece 901 is abutted with the ejector rod 2001, the ejector rod 2001 can be guided to the side part of the arc triangular piece 901, under the pushing of the arc triangular piece 901, the ejector rod 2001 drives the second collar 20 to do circular motion, and then the second scraper 2201 is driven to do circular motion so as to scrape concrete on the inner wall of the conical cavity, then along with the continued descent of the first collar 16, the first collar 16 is abutted with the ejector rod 2001, and under the pushing of the ejector rod 2001, the embedded ring 15 is separated from the circular arc groove 1401, after the embedded ring 15 is separated from the circular arc groove 1401, the limiting block 1901 is separated from the guide groove 1601, the first collar 16 is in a free state, and the load on the rotary shaft 19 is switched from the first collar 16 to the second collar 20.

Along with the continuous descent of the connecting frame 8, the second collar 20 will move downward, at this time, the second spring 24 is compressed, and the protruding shaft 2202 moves towards the rotating shaft 19 along the length direction of the follower collar plate 21 under the action of the chute 2301, so that the radius of the circular motion of the second scraper 2201 is reduced, and the state that the second scraper 2201 is attached to the inner wall of the conical chamber is maintained, so that the load of the driving device 3 is prevented from increasing due to friction between the descent of the second scraper 2201 and the inner wall of the conical chamber.

Through the arrangement, the rotation shaft 19 is driven to rotate by the driving device 3 and the connecting frame 8 moves downwards, the rotation shaft 19 sequentially drives the first lantern ring 16 and the second lantern ring 20 to act, the action time sequence of the first lantern ring 16 and the second lantern ring 20 is in dislocation arrangement, the driving device 3 is enabled to operate in a stable manner, the driving device 3 is prevented from being excessively high in load caused by the fact that the first lantern ring 16 and the second lantern ring 20 are driven to act for a long time, the driving device 3 is burnt, and the durability of the driving device 3 is improved.

It should be further noted that, when the connecting frame 8 moves upward, the second spring 24 will release elastic potential energy, and drive the second collar 20 to move upward until the second collar 20 is abutted against the first fixing portion 1902, after the ejector rod 2001 is separated from the arc triangular piece 901, the second collar 20 will be disconnected from the rotating shaft 19, and then the clamping piece 14 will move upward through the engaging ring 15 along with the continuous rising of the connecting frame 8, and when the first collar 16 moves upward, the first collar 16 will be reset to the connecting state with the rotating shaft 19 under the action of the limiting block 1901 and the guiding groove 1601, and when the first collar 16 moves to abut against the third fixing portion 1904, the engaging ring 15 will be embedded again into the circular arc groove 1401 to complete the resetting, wherein the upper end of the clamping piece 14 is inclined, and the central axis projection of the engaging ring 15 is located in the inclined area of the upper end of the clamping piece 14, so that after the inclined area of the clamping piece 14 abuts against the engaging ring 15, the two clamping pieces 14 can move away from each other to the circular arc groove 1401.

As an embodiment of the invention, a construction process of porous grouting concrete by the bridge pile foundation concrete pouring device is also provided, and the construction process comprises the following steps:

s2: pouring the C25 underwater concrete into the tower crane hopper 1, conveying the tower crane hopper 1 to the upper part of the reinforced structure by using tower crane equipment, and then starting a power mechanism;

s3: when the power mechanism acts, the plugging component conducts a discharge hole of the tower crane hopper 1, so that concrete in the tower crane hopper 1 flows out, meanwhile, the lifting component drives the following rotating component to move downwards, and when the following rotating component moves downwards, the first scraping plate 17 and the second scraping plate 2201 are sequentially driven to do circular motion so as to scrape the concrete adhered on the inner wall of the tower crane hopper 1, and the conveying efficiency of the tower crane hopper 1 is improved;

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 characteristics 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Bridge pile foundation concrete placement device, including tower crane hopper (1), be formed with in tower crane hopper (1) and hold the stagnated cavity, hold the stagnated cavity and include column cavity and taper cavity, its characterized in that still includes:

the first scraping plate (17) is arranged in the columnar cavity, and the first scraping plate (17) is used for scraping the concrete adhered to the side wall of the columnar cavity;

a second scraper (2201) disposed in the conical cavity, the second scraper (2201) being configured to scrape off concrete adhering to a side wall of the conical cavity;

the following rotating assembly is matched with the first scraping plate (17) and the second scraping plate (2201), and can drive the first scraping plate (17) and the second scraping plate (2201) to do circular motion in a staggered mode and move along the length direction of the central axis of the tower crane hopper (1);

the folding component is connected with the second scraper (2201), and can change the radius of the circular motion of the second scraper (2201) when the second scraper (2201) moves circularly and moves along the length direction of the central axis of the columnar cavity;

the power mechanism comprises a lifting assembly and a plugging assembly, wherein the lifting assembly is connected with the following rotating assembly, and the plugging assembly can conduct a feed opening of the tower crane hopper (1) when the lifting assembly acts.

2. The bridge pile foundation concrete pouring device according to claim 1, wherein the lifting assembly comprises a frame structure (2) fixedly arranged on the tower crane hopper (1), two driving wheels (4) are rotatably arranged on the frame structure (2), a driving belt (5) is sleeved between the two driving wheels (4), and a jogging block (6) is rotatably arranged on the driving belt (5);

the rotating shaft of one driving wheel (4) is connected with a driving device (3) arranged on the frame body structure (2);

the lifting assembly further comprises a connecting frame (8) arranged on the frame body structure (2) in a sliding mode, one end of the connecting frame (8) is connected with the following rotating assembly, the other end of the connecting frame is provided with a lifting piece (7), the lifting piece (7) is provided with a jogging groove (701) along the length direction of the lifting piece, and the jogging block (6) can slide in the jogging groove (701).

3. Bridge pile foundation concrete placement device according to claim 2, characterized in that the following rotation assembly comprises a rotation shaft (19) rotatably mounted in the tower crane hopper (1), the interior of the rotation shaft (19) is of a hollow structure, and the connecting frame (8) is slidably arranged in the rotation shaft (19);

the rotary shaft (19) is connected with a bevel gear set (37) rotatably installed on the frame body structure (2) through a third belt (38), and the bevel gear set (37) is connected with the rotary shaft of the driving wheel (4) through a second belt (36);

the following rotating assembly further comprises a first collar (16) sleeved on the rotating shaft (19), the first collar (16) is connected with the first scraping plate (17) through a connecting rod (18), the first collar (16) is connected with a jogged ring (15) coaxial with the first collar, and the jogged ring (15) is matched with a clamping structure connected with the connecting frame (8).

4. The bridge pile foundation concrete pouring device according to claim 3, wherein the clamping structure comprises a transverse plate (9) fixedly connected with the connecting frame (8), a first sliding groove (10) is formed in the transverse plate (9) along the length direction of the transverse plate, a first sliding block (13) is slidably installed in the first sliding groove (10), a clamping piece (14) is fixedly installed on the first sliding block (13), and an arc groove (1401) matched with the embedded ring (15) is formed in the clamping piece (14);

the clamping structure further comprises a shaft body (11) fixedly installed in the first sliding groove (10) and in sliding connection with the first sliding block (13), a first spring (12) is sleeved in the shaft body (11), one end of the first spring (12) is connected with the first sliding block (13), and the other end of the first spring is connected with the inner wall of the first sliding groove (10).

5. The bridge pile foundation concrete placement device according to claim 4, wherein the rotary shaft (19) is provided with a third fixing portion (1904), a first fixing portion (1902) and a second fixing portion (1903) in order along the length direction thereof;

a limiting block (1901) is further arranged on the rotating shaft (19) along the length direction of the rotating shaft, and the limiting block (1901) is matched with a guide groove (1601) arranged in the first lantern ring (16);

the horizontal plate (9) with be provided with arc triangular piece (901) between linking frame (8), arc triangular piece (901) with set up push rod (2001) on the subassembly of drawing in, can make draw in the subassembly and follow rotation axis (19) rotation, just push rod (2001) with No. one lantern ring (16) cooperation.

6. The bridge pile foundation concrete placement device according to claim 5, characterized in that the collapsing assembly comprises a collar No. two (20) and a sleeve piece (23) which are slidably sleeved on the rotating shaft (19) and are located between the fixing portions No. one (1902) and No. two (1903);

the second lantern ring (20) is fixedly connected with the ejector rod (2001), a follow-up sleeve plate (21) is fixed on the second lantern ring (20), a hollow structure is arranged in the follow-up sleeve plate (21), a telescopic plate (22) is slidably installed in the follow-up sleeve plate (21), one end of the telescopic plate (22) is connected with the second scraping plate (2201), the other end of the telescopic plate is provided with a protruding shaft (2202) penetrating through the follow-up sleeve plate (21), and the protruding shaft (2202) can slide in a chute (2301) arranged on the sleeve piece (23);

the rotary shaft (19) is further sleeved with a second spring (24), one end of the second spring (24) is connected with the second lantern ring (20), and the other end of the second spring is connected with the sleeve piece (23).

7. Bridge pile foundation concrete placement device according to claim 2, characterized in that the plugging assembly comprises two plugging plates (30) slidably mounted on the discharge opening of the tower crane hopper (1), the two plugging plates (30) being capable of changing the discharge state of the tower crane hopper (1) in cooperation;

the plugging assembly further comprises a driven shaft (26) connected with the driving wheel (4) through a first belt (25), the driven shaft (26) is of a hollow structure, a pushing plate (27) is slidably arranged on the driven shaft (26), the pushing plate (27) is rotatably connected with a transverse shaft (28) arranged in the driven shaft (26), two hinging rods (29) are rotatably arranged at one end, far away from the pushing plate (27), of the transverse shaft (28), and the two hinging rods (29) are rotatably connected with the two plugging plates (30) respectively;

the pushing plate (27) is connected with a centrifugal structure arranged on the driven shaft (26).

8. The bridge pile foundation concrete pouring device according to claim 7, wherein the centrifugal structure comprises a rotating piece (32) fixedly installed on the driven shaft (26), a second sliding groove (33) is formed in the rotating piece (32), a second sliding block (34) is slidably installed in the second sliding groove (33), a traction rod (35) is rotatably installed on the second sliding block (34), and one end, far away from the second sliding block (34), of the traction rod (35) is rotatably connected with the pushing plate (27);

the centrifugal structure further comprises a third spring (31) sleeved on the driven shaft (26), one end of the third spring (31) is connected with the pushing plate (27), and the other end of the third spring is connected with the rotating piece (32).

9. Construction process for porous grouting concrete using the bridge pile foundation concrete casting device according to claim 1, characterized by comprising the steps of:

s2: pouring C25 underwater concrete into a tower crane hopper (1), conveying the tower crane hopper (1) to the upper part of a reinforced structure by using tower crane equipment, and then starting a power mechanism;

s3: when the power mechanism acts, the plugging component conducts a discharge hole of the tower crane hopper (1) to enable concrete in the tower crane hopper (1) to flow out, meanwhile, the lifting component drives the following rotating component to move downwards, and when the following rotating component moves downwards, the first scraping plate (17) and the second scraping plate (2201) are sequentially driven to do circular motion so as to scrape the concrete adhered on the inner wall of the tower crane hopper (1), and the conveying efficiency of the tower crane hopper (1) is improved;