CN214143665U - Pile foundation steel reinforcement cage locating rack - Google Patents

Abstract

The application relates to a pile foundation steel reinforcement cage locating rack, it includes: the horizontal rods are connected with each other, and a connection point is formed at the connection position; the extension supporting legs are vertically arranged on the horizontal rod and are used for being connected with a reinforcement cage; the extension legs are equidistant from a point where the horizontal bars are connected, and the extension legs are located on the same circle. The extension supporting legs are located on the same circle all the time, the distance from the extension supporting legs to the connecting points is the radius, the circle center of the circle where the extension supporting legs are located and the connecting point of the horizontal rod are located on the same axis, when the extension supporting legs are connected with the steel reinforcement cage, the circle center of the circle where the extension supporting legs are located is coincided with the circle center of the steel reinforcement cage, therefore, the position of the connecting point of the horizontal rod is measured, the position of the center of the steel reinforcement cage can be determined, and the purpose of conveniently determining the position of the underwater steel reinforcement cage is achieved.

Description

Pile foundation steel reinforcement cage locating rack

Technical Field

The application relates to the field of bridge construction, in particular to a pile foundation reinforcement cage positioning frame and a pile foundation reinforcement cage underwater positioning method.

Background

With the vigorous development of road and bridge construction industry, bridges and grand bridges spanning rivers and straits are continuously constructed, the construction conditions and geological conditions of the bridges are more and more complex, wherein underwater cast-in-place piles are mostly large-aperture and large-depth concrete cast-in-place piles, in the piling process, the position precision of a reinforcement cage in the concrete casting process is very important, and the reinforcement cage can be prevented from being thick enough due to the position deviation, so that the engineering construction quality is influenced.

In some related technologies, most of pile foundation holes are filled with water and slurry, the reinforcement cage is submerged by the water and the slurry, the position of the underwater reinforcement cage is difficult to measure, the slurry in the holes needs to be pumped out, the top surface of the reinforcement cage leaks out, and then the top surface of the reinforcement cage is compared with the central point of the protection pile to determine whether the placement position is accurate or not; however, when the top surface of the reinforcement cage is far from the upper surface of the slurry, the slurry is easy to collapse when being pumped.

In other related technologies, in the underwater installation construction of the bridge pile foundation reinforcement cage, the position of the reinforcement cage is mainly controlled by a reinforcement cushion block protection layer method at present. When the position construction of the steel reinforcement cage is controlled by adopting a cushion block protective layer method, on one hand, the hole forming aperture of the pile foundation and the hole forming verticality of the pile foundation need to be controlled very accurately, and on the other hand, the field geological conditions are different, the hole forming equipment and the process are different, so that the aperture of the pile top is larger than the designed aperture, the actual verticality and the designed verticality deviate, and the position of the steel reinforcement cage placed in the pile foundation hole also deviates therewith; on the other hand, in the process of placing the reinforcement cage, the reinforcement cage is prone to deviation, and the two aspects result in inaccurate positioning of the reinforcement cage, so that whether the position of the reinforcement cage is accurate or not needs to be determined conveniently and quickly in the security protection process.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a pile foundation steel reinforcement cage locating rack to solve the problem that the position of underwater steel reinforcement cage is not convenient for confirming in the correlation technique.

The utility model provides a pile foundation steel reinforcement cage locating rack, it includes:

the horizontal rods are connected with each other, and a connection point is formed at the connection position;

the extension supporting legs are vertically arranged on the horizontal rod and are used for being connected with a reinforcement cage; the extension legs are equidistant from a point where the horizontal bars are connected, and the extension legs are located on the same circle.

In some embodiments, the number of the horizontal rods is two, and the two horizontal rods are connected in a cross shape or a T shape.

In some embodiments, the number of the horizontal rods is two, the two horizontal rods are arranged in a crossing manner, and a rotating shaft for connecting the two horizontal rods is arranged at the crossing position.

In some embodiments of the present invention, the first and second,

the number of the horizontal rods is three, and one ends of the three horizontal rods are connected to form the connecting point.

In some embodiments, the horizontal bar is further provided with a connecting member, and the connecting member is detachably connected with the extension leg.

In some embodiments, the connector comprises:

the connecting sleeve is connected with the horizontal rod, and one end of the extension supporting leg is positioned in the connecting sleeve;

the first locking part is arranged on the connecting sleeve and used for locking the extension leg on the connecting sleeve.

In some embodiments, the number of the connecting members is multiple, and the connecting members are arranged along the length direction of the horizontal rod.

In some embodiments, the extension leg comprises:

an outer rod;

the inner rod and the outer rod are arranged in a telescopic manner;

and the second locking part is arranged on the outer rod and used for locking the inner rod and the outer rod.

In some embodiments, the distal end of the extension leg is provided with a socket for connection to a reinforcement cage.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a pile foundation reinforcement cage positioning frame, because at least two connected horizontal rods are connected, at least three extension supporting legs are vertically arranged on the horizontal rods, and the extension supporting legs are used for being connected with a reinforcement cage; the distance that each extends the landing leg and is connected to the horizon bar equals, and each extends the landing leg and is located same circle, above setting up guarantees to extend the landing leg and is located same circle all the time, the distance that extends landing leg to the tie point is the radius, make the centre of a circle of extension landing leg place circle and horizon bar be connected the point and be located same axis, when being connected with the steel reinforcement cage, make the centre of a circle of extension landing leg place circle and the centre of a circle coincidence of steel reinforcement cage, thereby measure the position of horizon bar looks tie point, just can confirm the position at steel reinforcement cage center, this mode promotes the measuring point to on water, the problem of measuring underwater steel reinforcement cage position has been avoided, and simple structure, can confirm the center of steel reinforcement cage rapidly, therefore, the purpose of conveniently confirming the position of underwater steel reinforcement cage has been realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a top view of a steel reinforcement cage positioning frame provided in an embodiment of the present application;

fig. 2 is a front view of a steel reinforcement cage positioning frame provided in an embodiment of the present application;

fig. 3 is a top view of another form of a reinforcement cage spacer provided in accordance with an embodiment of the present application;

fig. 4 is a top view of another form of a reinforcement cage spacer provided in accordance with an embodiment of the present application;

fig. 5 is a top view of another form of a reinforcement cage spacer provided in accordance with an embodiment of the present application;

fig. 6 is a top view of another form of a reinforcement cage spacer provided in accordance with an embodiment of the present application.

In the figure: 1. a horizontal bar; 10. a connection point; 2. an extension leg; 20. an outer rod; 21. an inner rod; 22. a second locking portion; 3. a plug-in part; 4. a connecting member; 40. connecting sleeves; 41. a first locking portion; 5. a lengthening part; 6. and a third locking part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

The embodiment of the application provides a pile foundation steel reinforcement cage locating rack to solve the problem that the position of underwater steel reinforcement cage is not convenient for confirming in the correlation technique.

Referring to fig. 1 to 6, a pile foundation reinforcement cage positioning frame is provided, which includes at least two horizontal rods 1, wherein the horizontal rods 1 are connected with each other, and a connection point 10 is formed at the connection position;

at least three extension legs 2, the extension legs 2 are vertically arranged on the horizontal rod 1 and extend downwards, the extending ends of the extension legs are connected with the reinforcement cage, the distances from the extension legs 2 to the connection point 10 of the horizontal rod 1 are equal, and the extension legs 2 are located on the same circle.

The arrangement ensures that the extension supporting legs 2 in the positioning frame are always positioned on the same circle, the circle center of the circle where the extension supporting legs 2 are positioned and the connecting point 10 of the horizontal rod 1 are positioned on the same axis, when the tail ends of the extension supporting legs 2 are connected with an underwater reinforcement cage, because the extension supporting legs 2 which are positioned on the same circle at three points are connected with the reinforcement cage, according to the principle of forming a circle at three points, the extension supporting legs 2 are also positioned on the circle of the reinforcement cage, namely the circle center of the circle of the extension supporting leg 2 and the circle center of the reinforcement cage are on the same central axis, therefore, the connecting point 10 and the center point of the reinforcement cage are positioned on the same central axis, the position of the reinforcement cage can be obtained by detecting the position of the connecting point, the structure ensures that the center of the reinforcement cage does not need to be measured underwater, and the measurement of the pumping water is convenient and safe, and only the extension supporting leg 2 and the reinforcement cage need to be indirect.

And if the precise coordinate position of the center of the reinforcement cage needs to be determined, the coordinate position of the connection point 10 is simply subtracted by the length of the extension leg 2.

As shown in fig. 1, 5 and 6, in some preferred embodiments, the following ways are proposed for the number and connection formation of the horizontal rods 1:

firstly, the number of the horizontal rods 1 is two, the two horizontal rods 1 are fixedly connected in a cross shape or a T shape, when the horizontal rods are connected in the cross shape, the extension supporting legs 2 are connected to two ends of each horizontal rod 1, the distance from each extension supporting leg 2 to the connection point 10 of the horizontal rods 1 is equal, the number of the extension supporting legs can be four, and each extension supporting leg 2 is positioned on the same circle; wherein, the extension supporting legs 2 are fixedly connected in a T shape, and the number of the extension supporting legs is three and the extension supporting legs are respectively positioned at three end parts of the T shape.

Secondly, the number of the horizontal rods 1 is two, the two horizontal rods 1 are connected in a crossed manner and are rotatably connected through a rotating shaft, the rotating shaft penetrates through the crossed point of the two horizontal rods 1, the crossed point is the middle point of the two horizontal rods 1, the number of the extension supporting legs 2 is four, the four extension supporting legs are respectively positioned at two ends of the horizontal rods 1, and when the extension supporting leg is used, the included angle between the horizontal rods 1 is preferably 90 degrees, but the included angle cannot be 0 or 180 degrees.

Thirdly, the number of the horizontal rods 1 is three, one ends of the three horizontal rods 1 are connected to form a connection point 10, and the extension leg 2 is connected to one end of the three horizontal rods 1 far away from the connection point 10, wherein the angle formed by connecting the three horizontal rods 1 is 120 degrees, and other angles are also possible.

Above structural arrangement, only preferred scheme, as long as guarantee that each extends landing leg 2 to the distance of 1 looks tie point 10 of horizon bar equal, the quantity can be four, each extend landing leg 2 be located same circle can, the length of horizon bar 1 can be selected for use according to the circumstances of reality.

As shown in figure 2, in some preferred embodiments, the positioning frame is convenient to assemble, use and carry, and a connecting piece 4 is additionally arranged, so that the extension leg 2 can be detachably connected to the horizontal rod 1, and the specific structure is as follows:

the connecting piece 4 comprises a connecting sleeve 40 and a first locking part 41, the connecting sleeve 40 is fixedly connected with the horizontal rod 1, the connecting sleeve 40 is a hollow sleeve body, one end of the extension leg 2 is inserted into the connecting sleeve 40, and the first locking part 41 is arranged on the connecting sleeve 40 and used for locking the extension leg 2 on the connecting sleeve 40;

the first locking portion 41 may be a screw bolt screwed on the connecting sleeve 40, and is locked by the abutting action of the screw bolt during rotation, and the first locking portion 41 may also be a brake valve or other locking and braking structures.

As shown in fig. 3 and 4, because the reinforcement cages have different sizes, in order to adapt to reinforcement cages with different diameters and to enable the positioning frame to be matched with different reinforcement cages, the use range of the reinforcement cage is increased, and the reinforcement cage positioning device is arranged as follows:

first, the number of the connecting members 4 is plural, and the connecting members are arranged along the length direction of the horizontal bar 1, and when the reinforcing cage is used, the extension leg 2 is connected with the connecting member 4 near the connecting point 10 when the diameter of the reinforcing cage is small, and the extension leg 2 is connected with the connecting member 4 far from the connecting point 10 when the diameter of the reinforcing cage is large.

The second, on the basis of the first kind, make horizon bar 1 be telescopic rod class structure, in order to match when the diameter of steel reinforcement cage is different to when the difference is less, first kind mode application scope is little, and telescopic rod class still is equipped with the scale on the structure, makes the locating rack can accurately be suitable for the steel reinforcement cage of different grade type.

In some preferred embodiments, as shown in fig. 2, the reinforcement cage is located under water, and has a depth, so that the positioning frame can be suitable for such situations, the following structure is provided:

the extension leg 2 is of a structure with adjustable length and comprises an inner rod 21 and an outer rod 20, the inner rod 21 and the outer rod 20 are arranged in a telescopic mode, and a second locking part 22 is arranged on the outer rod 20 and used for locking the inner rod 21 and the outer rod 20; the inner rod 21 and the outer rod 20 are made of square steels of two different types, the square steels are sleeved in the square steels, the second locking part 22 can be a screw rod screwed on the outer rod 20 and can be locked by utilizing the abutting effect of the screw rod during rotation, and the second locking part 22 can also be a brake valve or other locking and braking structures.

Further, the end that extends landing leg 2 is equipped with grafting portion 3, is equipped with the connecting hole on the grafting portion 3, and this connecting hole and steel reinforcement cage phase-match for be connected with the steel reinforcement cage, this structure can make and extend landing leg 2 and steel reinforcement cage high-speed joint.

In addition, an underwater positioning method of the pile foundation reinforcement cage is provided, which comprises the following steps:

mounting a pile foundation reinforcement cage positioning frame on a reinforcement cage so that the connection point 10 passes through the central axis of the reinforcement cage;

determining a pile position central point according to the pile protection;

the relative positions of the connection points 10 and the central point are compared to adjust the reinforcement cage.

Specifically, the above embodiments are used for illustration, and taking a steel reinforcement cage with a diameter of 1.89m as an example, the length of the horizontal rod 1 is 1.89m, and the length of the extension leg 2 is 1 m.

Construction step 1: and (6) mounting a positioning frame.

Firstly, two horizontal rods 1 of a positioning frame are opened into a 90-degree right angle in the clockwise direction, then the length of an extension supporting leg 2 is adjusted according to the length of a hanging bar of a steel reinforcement cage, the extension supporting leg is installed in a connecting sleeve 40 after the adjustment is finished, a first locking part 41 is screwed, and the installation of the positioning frame is finished.

And 2, construction: and mounting the positioning frame on the reinforcement cage.

The positioning frame is unfolded at 90 degrees (the angle can be other angles), the inserting part 3 is arranged below the extension supporting leg 2, the inserting part 3 is provided with an inserting hole, and the steel bar cage is inserted into the inserting hole corresponding to the steel bar.

And (3) construction: and positioning by the positioning frame.

After the positioning frame is lowered to the designed height along with the steel reinforcement cage, a cross line is pulled out according to the pile protection to find out a pile position central point, whether the positions of the connecting point 10 and the cross line central point are on a central axis or not is determined, and the following two modes are adopted:

firstly, a line weight is arranged at a connecting point 10, if the projection of the line weight is on the central point of the pile position, the position of the reinforcement cage is correct, and if the projection of the line weight is not on the central point of the pile position, adjustment is needed. Until the central point of the pile position and the connecting point 10 are positioned on the same central axis, namely the positioning of the reinforcement cage is finished

Adjusting the positioning frame to enable the extension supporting leg 2 to be retractable to fall down, comparing the connection of the positioning frame with the central point of the pile position, if the two points are superposed, the central position of the reinforcement cage is correct, otherwise, the adjustment is needed.

And 4, construction: and adjusting according to the positioning result.

The position of the reinforcement cage does not need to be measured underwater in the mode, the problems of precision and quality of the reinforcement cage laying process are effectively solved, and the reinforcement cage laying and positioning process is very convenient.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides a pile foundation steel reinforcement cage locating rack which characterized in that, it includes:

at least two horizontal rods (1), wherein the horizontal rods (1) are connected and form a connecting point (10) at the connecting position;

at least three extension legs (2), wherein the extension legs (2) are vertically arranged on the horizontal rod (1) and are used for being connected with a reinforcement cage; the distance from each extension leg (2) to the point where the horizontal rod (1) is connected is equal, and the extension legs (2) are located on the same circle.

2. The pile foundation reinforcement cage spacer of claim 1, wherein:

the number of the horizontal rods (1) is two, and the two horizontal rods (1) are connected in a cross shape or a T shape.

3. The pile foundation reinforcement cage spacer of claim 1, wherein:

the number of the horizontal rods (1) is two, the two horizontal rods (1) are arranged in a crossed mode, and rotating shafts used for connecting the two horizontal rods (1) are arranged at the crossed position.

4. The pile foundation reinforcement cage spacer of claim 1, wherein:

the number of the horizontal rods (1) is three, and one ends of the three horizontal rods (1) are connected to form the connecting points (10).

5. The pile foundation reinforcement cage spacer of claim 1, wherein: still be equipped with connecting piece (4) on horizontal pole (1), connecting piece (4) with extend landing leg (2) and can dismantle the connection.

6. The pile foundation reinforcement cage spacer of claim 5, wherein the connector (4) comprises:

a connecting sleeve (40) connected with the horizontal rod (1), wherein one end of the extension leg (2) is positioned in the connecting sleeve (40);

a first locking portion (41) provided on the connection sleeve (40) and used for locking the extension leg (2) to the connection sleeve (40).

7. The pile foundation reinforcement cage spacer of claim 5, wherein: the number of the connecting pieces (4) is multiple, and the connecting pieces are arranged along the length direction of the horizontal rod (1).

8. The pile foundation reinforcement cage spacer of claim 1, wherein the extension leg (2) comprises:

an outer rod (20);

an inner rod (21) which is telescopically arranged with the outer rod (20);

and a second locking portion (22) which is provided on the outer rod (20) and is used for locking the inner rod (21) and the outer rod (20).

9. The pile foundation reinforcement cage spacer of claim 1, wherein: the tail ends of the extension supporting legs (2) are provided with inserting parts (3) used for being connected with a reinforcement cage.

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