CN113622677A

CN113622677A - Pier column pile foundation concrete automatic pouring and vibrating device and construction method thereof

Info

Publication number: CN113622677A
Application number: CN202110955523.1A
Authority: CN
Inventors: 吴豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-11-09

Abstract

The invention relates to the technical field of building devices, in particular to an automatic pouring and vibrating device for pier column pile foundation concrete and a construction method thereof. The construction platform is arranged above a pier stud pouring opening or a pile foundation pouring opening, a hoisting mechanism is arranged on the construction platform and connected with the installation platform for controlling the up-down movement of the installation platform, a telescopic string cylinder is arranged between the construction platform and the installation platform, the upper end and the lower end of the telescopic string cylinder are detachably connected to the middle parts of the construction platform and the installation platform respectively, hydraulic rods are symmetrically arranged on the installation base, and the output ends of the hydraulic rods are detachably connected with the vibrating platform; this technical scheme is used for solving among the prior art and uses traditional cluster section of thick bamboo to pile foundation or pier stud when pouring, needs the manual work to assemble and artifical entering pouring position vibrates the concrete, causes workman's work load big with have the problem of great potential safety hazard.

Description

Pier column pile foundation concrete automatic pouring and vibrating device and construction method thereof

Technical Field

The invention relates to the technical field of building devices, in particular to an automatic pouring and vibrating device for pier column pile foundation concrete and a construction method thereof.

Background

At present, the pier stud is constructed by a mould-casting method generally aiming at the construction of civil engineering infrastructure, and a part of pile foundations of mountain highway bridges need to be constructed by adopting manual hole digging piles due to topography, and concrete pouring and vibrating work needs to be carried out manually from the bottom of a hole or the bottom of a template in the construction process of the pier stud and the manual hole digging piles.

The operation of pouring the pier stud and manually digging a hole pile belongs to high-altitude operation, the current common process adopts a mode of arranging a string barrel below, adopts manual disassembly and lifting of the string barrel, and adopts a mode of manual insertion type vibration to carry out concrete vibration operation.

The traditional string section of thick bamboo adopts the mode that a lesson hangs a lesson, when pouring, appears easily that a string section of thick bamboo acutely rocks, string section of thick bamboo articulates the position and leaks thick liquid and the concrete easily appears the segregation scheduling problem in the great pipeline of drop, seriously influences the pier stud or the concrete of pile foundation's the effect of pouring.

Disclosure of Invention

The invention aims to provide an automatic pouring and vibrating device for pier stud foundation concrete and a construction method thereof, aiming at solving the problems that in the prior art, when a traditional string tube is used for pouring a pile foundation or a pier stud, manual assembly is needed and manual operation is needed to enter a pouring position to vibrate the concrete, so that the workload of workers is large and great potential safety hazards exist, and when the concrete is conveyed in the traditional string tube in a high-fall way, the concrete is easy to segregate, so that the pouring effect of the concrete is affected.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the automatic pouring and vibrating device for pier column pile foundation concrete and the construction method thereof comprise a construction platform, an installation platform and a vibrating platform which are distributed from top to bottom, wherein the construction platform is arranged above a pier column pouring opening or a pile foundation pouring opening, the construction platform is provided with a hoisting mechanism which is connected with the installation platform and used for controlling the up-and-down movement of the installation platform, a telescopic string cylinder is arranged between the construction platform and the installation platform, the upper end and the lower end of the telescopic string cylinder are respectively detachably connected with the middle parts of the construction platform and the installation platform, hydraulic rods are symmetrically arranged on an installation seat, the output ends of the hydraulic rods are detachably connected with the vibrating platform, a plurality of vibrating motors are uniformly distributed on the vibrating platform in the circumferential direction, the output ends of the vibrating motors are installed downwards, vibrating rods are fixedly connected to the output ends, the lower ends of the telescopic string cylinders are provided with hoses, the one end of hose and telescopic tube's lower extreme fixed connection, the other end of hose is equipped with a plurality of rubber strips, the one end of rubber strip and the tip side fixed connection of hose, be equipped with the slide rail on the platform of vibrating, be equipped with the slip dolly on the slide rail, the slip dolly is connected with the lateral surface of hose, and the tip that the slip dolly can drive the hose moves on the platform of vibrating.

The working principle of the technical scheme is as follows:

the output of concrete tank car is connected with the upper end of flexible string section of thick bamboo, carry the inside realization of concrete to the pile foundation or pier stud through flexible string section of thick bamboo and pour, when pouring highly reaching the take the altitude, can stop the blowing, then descend through hoisting machine structure control vibration platform, make the vibrating rod insert in the concrete, vibrate the concrete, after finishing vibrating, hoisting machine constructs the certain distance of up promotion mounting platform, it contracts each other to drive string section of thick bamboo unit, then continue to pour the concrete, so repeat this work progress, can end to pouring to the design elevation.

Further inject, hoisting machine constructs for the hoist engine, and two sets of hoist engine symmetries set up on construction platform, and its beneficial effect lies in that hoist engine installation space is little, and it is convenient to use, and the symmetry sets up the stability that can strengthen the hoist and mount.

Further inject, flexible cluster section of thick bamboo comprises a plurality of cluster section of thick bamboo unit, the upper portion of the cluster section of thick bamboo unit of flexible cluster section of thick bamboo topmost is equipped with the hopper of detachable connection with it, and its beneficial effect lies in that the hopper can be collected and the direction to the concrete in the concrete car, promotes the effect that the concrete got into in the cluster section of thick bamboo.

Further inject, construction platform is equipped with all around and encloses the protection railing of construction platform, protection railing is telescopic protection railing, and its beneficial part lies in, and the rail guard can play the effect of isolation, guarantees construction safety, and the rail guard that stretches out and draws back simultaneously can be better accomodate and install.

Further inject, be equipped with apart from detection device on the platform that vibrates, apart from detection device is used for detecting concrete placement's height, and its beneficial part lies in, through the height of concrete placement at every turn of distance detection device control, ensures the effect of vibrating the excellent to the concrete.

Further limiting, the length of a single section of the string cylinder unit is 1m, the diameter of the single section of the string cylinder unit is 25cm-50cm, and the diameters of adjacent string cylinder units are sequentially increased by 1cm from top to bottom.

Further limiting, the diameters of a plurality of string drum units of the telescopic string drum are sequentially increased from top to bottom, the string drum units are cylindrical, a first hook and a second hook are respectively arranged on the inner side surface of the upper part and the outer side surface of the lower part of each string drum unit, and the first hook and the second hook are hooked on two adjacent string drum units to prevent the two adjacent string drum units from sliding out during stretching, the telescopic string drum has the advantages that the string drum units are cylindrical, so that the inner wall and the outer wall of each string drum unit are more tightly contacted, a better guiding effect is achieved, mutual stretching between the string drum units is facilitated, the shaking radian of the telescopic string drum during pouring is reduced, the diameters are sequentially reduced from top to bottom, upward sleeve gaps of the adjacent string drum units can be positioned on the outer sides of the string drum units, the entering of concrete slurry during pouring is avoided, and the stretching effect of the string drum units is improved, meanwhile, the leakage of concrete slurry is also avoided.

Further inject, the hose is the bellows, and its beneficial part lies in, and the bending capacity of bellows is good, promotes the removal effect on the platform that vibrates, has also promoted the equipartition effect when concrete placement simultaneously.

Further inject, still include a cluster section of thick bamboo inner wall belt cleaning device, a cluster section of thick bamboo inner wall belt cleaning device is including wasing the pole, a tip of wasing the pole is equipped with the sponge ball, diameter under the sponge ball normality is greater than the flexible cluster section of thick bamboo of diameter at the bottom, and its beneficial part lies in, the sponge ball can be based on the diameter of a cluster section of thick bamboo unit and carry out shrink and inflation, makes the sponge ball all the time with the inner wall in close contact with of a cluster section of thick bamboo unit, can promote the concrete cleaning and strike off the effect to a cluster section of thick bamboo unit inner wall.

The construction method of the pier column pile foundation concrete automatic pouring and vibrating device comprises the following steps:

(1) integrally hoisting the device to the top of a pier stud template or the opening of a pile foundation;

(2) determining the length of the assembled string cylinder unit according to the depth of the pier stud or the pile foundation, and installing the telescopic string cylinder on the vibrating device;

(3) lowering the assembled telescopic string barrel through a hoisting mechanism of the vibrating device to ensure that the distance between the telescopic string barrel and the pier column or the bottom surface of the pile foundation is less than 2 m;

(4) the concrete tank truck conveys concrete to the pile foundation or the interior of the pier stud through the end part of the string barrel unit at the uppermost end of the telescopic string barrel;

(5) detecting whether the height of concrete pouring by using the distance measuring device reaches 50cm, and stopping pouring concrete after the height of concrete pouring reaches 50 cm;

(6) descending the vibrating platform through a hydraulic rod to enable a vibrating rod to stretch into poured concrete for vibrating, lifting upwards after vibrating for 15s, and repeating vibrating twice until the surface of the concrete is turned into paste and no air bubbles are emitted;

(7) after the vibration is finished, lifting the mounting platform upwards by 50cm to continue pouring concrete;

(8) repeating the step (6) and the step (7) until the pier stud or the pile foundation is poured to the designed elevation;

(9) use lifting device with this device integral hoisting to spacious ground, then wash.

The invention has the following technical effects:

(1) the telescopic string barrel is adopted, the telescopic string barrel is internally telescopic from small to large, the installation is convenient, manual operation is not needed in a template or a hole, the stretching and shortening functions of the telescopic string barrel are realized through mechanical operation, and the bottom is unmanned during construction, so that the construction safety risk is greatly reduced. (2) By adopting the application of the winch and the vibration platform, artificial dangerous operation is reduced, and the personnel can finish concrete pouring and vibrating work only by standing on the ground, so that labor is greatly saved, and the cost is saved. (3) The string section of thick bamboo unit is cylindrical, make between the inside and outside wall of each string section of thick bamboo unit contact inseparabler more, and have better guide effect, be of value to the mutual flexible between the string section of thick bamboo unit, the radian of rocking of flexible string section of thick bamboo when pouring has also been reduced, the diameter from the top down reduces in order simultaneously, can make the outside that adjacent string section of thick bamboo unit cup jointed the gap up and is located string section of thick bamboo unit, concrete slurry's when avoiding pouring gets into, promote the flexible effect of string section of thick bamboo unit, concrete slurry has still been avoided simultaneously and has been revealed. (4) The rubber strips are uniformly distributed at the lower end of the hose in the circumferential direction, the concrete has a large flow velocity at the lower end of the hose, and the local pressure with the large flow velocity is small according to the Bernoulli principle, so that the rubber strips are extruded and closed to the center of the hose under the action of atmospheric pressure, the aggregate in the concrete at the lower end of the hose can be blocked, the falling speed of the aggregate is reduced, and the probability of segregation of the concrete during pouring can be reduced or avoided.

Drawings

Fig. 1 is a schematic view of the installation of the device in a pile foundation in the present embodiment.

Fig. 2 is a schematic layout view of a construction platform in this embodiment.

Fig. 3 is a schematic layout of the vibrating platform in this embodiment.

Fig. 4 is a schematic view showing the installation of the rubber strip at the lower end of the hose in this embodiment.

Fig. 5 is a schematic diagram of the connection between adjacent string drum units in this embodiment.

Description of reference numerals:

the construction platform comprises a construction platform 1, a sliding rail 2, an installation platform 3, a vibrating platform 4, a protective railing 5, a winch 6, a cylinder stringing unit 7, a hydraulic rod 8, a hose 9, a vibrating motor 10, a vibrating rod 11, a sliding trolley 12, a steel rope 13, a steel springboard 14, an I-shaped steel 15, a first hook 16, a second hook 17 and a rubber strip 18.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1 to 5, the pier stud foundation concrete automatic pouring vibrating device comprises a telescopic string tube for conveying concrete, wherein the telescopic string tube is composed of a plurality of string tube units 7, the diameter of each string tube unit 7 is sequentially increased from top to bottom, two adjacent string tube units 7 are sleeved, a first hook 16 and a second hook 17 are respectively arranged on the inner side surface of the upper part and the outer side surface of the lower part of each string tube unit 7, and the first hook 16 and the second hook 17 of the two adjacent string tube units 7 are hooked to prevent the two adjacent string tube units 7 from sliding out in a telescopic process. String section of thick bamboo unit 7 is cylindrical, make contact inseparabler between the inside and outside wall of each string section of thick bamboo unit 7, and have better guide effect, be of value to the mutual flexible between string section of thick bamboo unit 7, the radian of rocking of flexible string section of thick bamboo when pouring has also been reduced, the diameter from the top down reduces in order simultaneously, can make adjacent string section of thick bamboo unit 7 cup joint the gap up and be located the outside of string section of thick bamboo unit 7, concrete slurry's entering when avoiding pouring, promote the flexible effect of string section of thick bamboo unit 7, concrete slurry has still been avoided simultaneously and has been revealed.

The vibrating device for vibrating poured concrete comprises a construction platform 1, an installation platform 3 and a hoisting mechanism, wherein the hoisting mechanism is a winch 6, two sets of winches 6 are symmetrically arranged on the construction platform 1, the hoisting mechanism is beneficial in that the stability of hoisting can be enhanced by the symmetry arrangement, the construction platform 1 is arranged on the upper end surface of a pier stud or a pile foundation, a steel rope 13 of the hoisting mechanism is fixed on the installation platform 3, the hoisting end of the hoisting mechanism is fixedly connected with the installation platform 3, the installation platform 3 is controlled to move in the vertical direction, the upper end of the vibrating device is located in the middle of the upper surface of the construction platform 1, the lower surface of the vibrating device is located in the middle of the lower surface of the installation platform 3, a plurality of groups of vibrating motors 10 are arranged below the installation platform 3, and vibrating rods 11 fixedly connected with the vibrating motors 10 are arranged on the output ends of the vibrating motors 10.

Preferably, still including the platform of vibrating 4, the platform of vibrating 4 sets up in the below of mounting platform 3, be equipped with the hydraulic stem 8 of connecting the two between platform of vibrating 4 and the mounting platform 3, the motor of vibrating 10 evenly distributed is on the platform of vibrating 4, its useful part lies in, can upwards promote certain distance to platform of vibrating 4 and motor through vibrating 4 go up according to second direction hydraulic stem 8, when needs vibrate the concrete, put down the platform of vibrating 4 again, can effectually avoid the vibrating rod 11 and the concrete of pouring to take place to interfere like this.

As shown in fig. 4, preferably, the lower end of the vibrating device is provided with a hose 9, one end of the hose 9 is fixedly connected with the lower end of the vibrating device, and the lower end of the hose 9 is located on the vibrating platform 4, which is beneficial in that the hose 9 can swing when pouring, so that the poured concrete can be uniformly distributed to a certain extent, and the pouring effect is improved. Preferably, the rubber strips 18 are arranged on the hose 9, the rubber strips 18 are uniformly distributed at the lower end of the hose 9 on the circumference, the flow velocity of the concrete at the lower end of the hose 9 is large, and the pressure intensity at the place with large flow velocity is small according to the bernoulli principle, so that the rubber strips 18 are extruded and closed to the center of the hose 9 under the action of atmospheric pressure, namely, the aggregate in the concrete at the lower end of the hose can be blocked, the falling speed of the aggregate is reduced, and the probability of segregation of the concrete during pouring can be reduced or avoided.

Preferably, be equipped with slide rail 2 on the platform of vibrating 4, be equipped with the 12 that get off of sliding on slide rail 2, the lower extreme that the 12 that get off of sliding is connected with hose 9 has an advantage in that, through the slip back and forth of the 12 that get off of sliding on slide rail 2, can further promote the distribution effect of concrete in the pier stud or pile foundation. Preferably, the upper part of the string barrel unit 7 at the uppermost end of the telescopic string barrel is provided with a hopper detachably connected with the telescopic string barrel, and the telescopic string barrel has the advantages that the hopper can collect and guide concrete in a concrete truck, and the effect of the concrete entering the string barrel is improved. Construction platform 1 is equipped with all around and encloses construction platform's protection railing 5, and protection railing 5 is telescopic protection railing, and its beneficial part lies in, and protection railing 5 can play the effect of keeping apart, guarantees construction safety, and what flexible protection railing simultaneously can be better accomodates and installs.

The construction platform 1 is composed of I-shaped steel 15 and steel pipes. Two I20a I-shaped steels 15 are placed at the bottommost part as main beams, the distance is 70cm, the length is 50cm longer than that of each of two ends of the width of the template (taking a pier column with the diameter of 1.8m as an example, the length is 2.8 m), the I12I-shaped steels 15 are used as distribution beams at the upper part, and two I12I-shaped steels 15 are symmetrically arranged at the interval of 60cm in the middle part, and the transverse length of the I12I-shaped steels 15 is consistent with the diameter of the template and the diameter of the template. Two distribution beams are arranged at the position 50cm away from the end part of the longitudinal beam and used as a personnel working platform, and a steel springboard 14 is laid on the platform. The phi 48 steel pipe is installed on the distribution beam as shown in fig. 2, so that disturbance to exposed steel bars is reduced.

As shown in FIG. 5, the telescopic string tube is an improvement of the traditional string tube unit 7, and the tube diameter is gradually reduced to achieve the purpose of large and small sleeve. All the cylinder stringing units 7 are contracted into one, so that the operation is simple, and the space is effectively saved. The cylinder stringing unit 7 is formed by rolling a steel plate, a first hook 16 is arranged on the inner side of the top of each cylinder, a second hook 17 is arranged on the outer side of the bottom of each cylinder, the length of each cylinder stringing unit 7 is 1m, the diameter of each cylinder stringing unit is 50cm-25cm, each next cylinder is contracted inwards by 1cm, and the maximum hanging length is 25 m. The bottommost part is vibration platform 4, sets up a horizontal slide rail 2 on the platform, supplies to slide 12 and drive hose 9 and carry out even cloth down, and hose 9 directly links to each other with a string section of thick bamboo unit 7 bottom.

The vibrating platform 4 is provided with 12 vibrating motors 10, the lower ends of the vibrating motors 10 are connected with vibrating rods 11, and the size of the vibrating platform 4 and the arrangement of the vibrating rods 11 are adjusted according to actual pile diameter and column diameter. And phi 50 is calculated to be 40-45cm according to the diameter of each vibrating rod 11 with the working radius of 8-9 times. As arranged in fig. 3, the whole concrete pouring surface can be vibrated theoretically, and the insertion and extraction of the vibrating rod 11 and the vibrating times are realized by a hoisting mechanism. Meanwhile, a distance detection device is arranged on the vibrating platform 4, the pouring height is fed back in real time, and the pouring thickness of one layer of 50cm is strictly controlled to vibrate, so that the layer-by-layer vibration is practically realized.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The automatic pouring and vibrating device for pier stud foundation concrete is characterized by comprising a construction platform, an installation platform and a vibrating platform which are distributed from top to bottom, wherein the construction platform is arranged above a pier stud pouring opening or a pile foundation pouring opening, a hoisting mechanism is arranged on the construction platform and is connected with the installation platform for controlling the up-and-down movement of the installation platform, a telescopic string cylinder is arranged between the construction platform and the installation platform, the upper end and the lower end of the telescopic string cylinder are respectively detachably connected with the middle parts of the construction platform and the installation platform, hydraulic rods are symmetrically arranged on an installation seat, the output ends of the hydraulic rods are detachably connected with the vibrating platform, a plurality of vibrating motors are uniformly distributed on the vibrating platform in the circumferential direction, the output ends of the vibrating motors are installed downwards, vibrating rods are fixedly connected to the output ends, hoses are arranged at the lower ends of the telescopic string cylinders, the one end of hose and telescopic tube's lower extreme fixed connection, the other end of hose is equipped with a plurality of rubber strips, the one end of rubber strip and the tip side fixed connection of hose, be equipped with the slide rail on the platform of vibrating, be equipped with the slip dolly on the slide rail, the slip dolly is connected with the lateral surface of hose, and the tip that the slip dolly can drive the hose moves on the platform of vibrating.

2. The apparatus of claim 1, wherein the hoisting mechanism is a hoist, and the two sets of hoists are symmetrically disposed on the construction platform.

3. The apparatus of claim 1, wherein the telescopic string tube is composed of a plurality of string tube units, and the upper portion of the string tube unit at the uppermost end of the telescopic string tube is provided with a hopper detachably connected with the upper portion.

4. The pier stud pile-based concrete automatic pouring and vibrating device according to claim 1, wherein a protective barrier for enclosing the construction platform is arranged around the construction platform, and the protective barrier is a telescopic protective barrier.

5. The pier stud pile foundation concrete automatic pouring vibrating device according to claim 1, wherein a distance detection device is arranged on the vibrating platform and used for detecting the pouring height of concrete.

6. The automatic pouring and vibrating device for the pier stud foundation concrete according to claim 3, wherein the length of a single section of the tandem unit is 1m, the diameter of the single section of the tandem unit is 25cm-50cm, and the diameters of adjacent tandem units are sequentially increased by 1cm from top to bottom.

7. The pier column pile based concrete automatic pouring and vibrating device according to claim 3, wherein the diameters of a plurality of string cylinder units of the telescopic string cylinder are sequentially increased from top to bottom, the string cylinder units are cylindrical, a first hook and a second hook are respectively arranged on the inner side surface of the upper portion and the outer side surface of the lower portion of a single string cylinder unit, and the first hook and the second hook are hooked on two adjacent string cylinder units so as to prevent the two adjacent string cylinder units from sliding out during telescopic movement.

8. The pier-stake-based concrete autofilter device of claim 1, wherein the hose is a corrugated tube.

9. The automatic pouring and vibrating device for the pier stud foundation concrete according to claim 1, further comprising a string tube inner wall cleaning device, wherein the string tube inner wall cleaning device comprises a cleaning rod, a sponge ball is arranged at one end of the cleaning rod, and the normal diameter of the sponge ball is larger than the diameter of the lowest end of the telescopic string tube.

10. The construction method of the pier-column-based concrete automatic pouring vibrating device according to any one of claims 1 to 9, comprising the steps of: