CN218970691U - Temporary inclined support structure of assembled building - Google Patents

Abstract

The application provides a temporary inclined support structure of assembled building, including horizontal prefab, vertical prefab, horizontal supporting component and inclined support component. The side wall of the vertical prefabricated member is provided with a convex buckle connecting piece, the inclined support assembly comprises an inclined rod and a hasp connecting piece, the bottom end of the inclined rod is connected with the transverse support assembly, and the hasp connecting piece is hinged to the top end of the inclined rod through a pin shaft; the side wall of the hasp connecting piece, which faces the vertical prefabricated member, is provided with a connecting buckling hole, the connecting buckling hole is provided with a passing part and a locking part which are communicated with each other, and the locking part is positioned above the passing part; the passing part can be used for the limiting plate to pass through, the locking part can be used for the fixing column to pass through, and the width of the locking part is smaller than that of the limiting plate. The connection between the inclined support assembly and the vertical prefabricated member is completed through the cooperation of the convex buckle connecting piece and the hasp connecting piece, so that the inclined support assembly is convenient to mount and dismount, constructors do not need to operate at high positions, and the risk that constructors fall from high positions is avoided.

Description

Temporary inclined support structure of assembled building

Technical Field

The application relates to the field of prefabricated buildings, in particular to a temporary inclined support structure of an assembled building.

Background

In recent years, with the continuous development and progress of new construction technology and materials, the assembled building has been widely used because of its characteristics of convenient and rapid construction, short construction period, cost saving and pollution waste reduction. The assembled building is mainly assembled by prefabricated columns, prefabricated beams, prefabricated walls and the like. Wherein, in order to guarantee the stability of prefabricated wall body and the straightness that hangs down of installation, prefabricated wall body adopts the bearing diagonal to carry out temporary fixation when the installation.

In the related art, the installation of the inclined support mostly needs constructors to climb to a higher position of the prefabricated wall body by means of tools to perform high-altitude operation so as to install the inclined support on the prefabricated wall body. For example, patent application 202121503728.8 discloses a diagonal brace for prefabricated wall panels that requires a constructor to fix the support plate to the wall panel at a high place by screws during installation. This results in not only a cumbersome installation of the diagonal brace, but also a risk of the constructor falling from the high place.

Disclosure of Invention

The embodiment of the application provides a temporary inclined support structure of an assembled building, which comprises a horizontal prefabricated member, a vertical prefabricated member, a transverse support assembly and an inclined support assembly, wherein the vertical prefabricated member is arranged on the horizontal prefabricated member;

the side wall of the vertical prefabricated member is provided with a convex buckle connecting piece, the convex buckle connecting piece comprises a fixed column and a limiting plate, part of columns of the fixed column are pre-buried in the vertical prefabricated member, the other part of columns of the fixed column are exposed out of the vertical prefabricated member, the limiting plate is connected to one end of the fixed column exposed out of the vertical prefabricated member, and the outer edge of the limiting plate protrudes out of the side wall of the fixed column;

the bottom end of the transverse supporting component is fixed on the horizontal prefabricated member, and the side end of the transverse supporting component is fixed at the lower part of the vertical prefabricated member; the oblique support component comprises an oblique rod and a hasp connecting piece, the bottom end of the oblique rod is connected with the transverse support component, and the hasp connecting piece is hinged to the top end of the oblique rod through a pin shaft;

the side wall of the hasp connecting piece, which faces the vertical prefabricated member, is provided with a connecting buckling hole, the connecting buckling hole is provided with a passing part and a locking part which are communicated with each other, and the locking part is positioned above the passing part; the passing part can be used for the limiting plate to pass through, the locking part can be used for the fixing column to pass through, and the width of the locking part is smaller than that of the limiting plate.

The temporary inclined support structure of assembled building that this application embodiment provided accomplishes the connection between inclined support component and the vertical prefab through protruding knot connecting piece and the cooperation of hasp connecting piece, not only makes things convenient for the ann of inclined support component to tear open, still need not constructor in the operation of eminence, has avoided constructor from the risk that the eminence dropped.

In one possible implementation manner, the temporary inclined support structure of the fabricated building comprises an adjusting pipe and a connecting pipe, wherein two opposite ends of the adjusting pipe are respectively provided with an inserting part, and the outer wall surface of the inserting part is provided with external threads;

the two insertion parts are respectively sleeved with one connecting pipe, the inner wall surface of each connecting pipe is provided with an internal thread, and the external threads of the insertion parts are connected with the internal threads of the connecting pipes in a matched mode.

In one possible implementation manner, the temporary inclined support structure of the fabricated building provided by the application implementation manner comprises a bottom plate, a bottom frame and a horizontal ejector rod, wherein the bottom frame is fixed on the bottom plate, and the horizontal ejector rod is connected to one end of the bottom frame, which faces towards the vertical prefabricated member;

the bottom plate is provided with a plurality of first fixing holes, and the bottom plate is connected with the horizontal prefabricated member through bolts penetrating through the first fixing holes;

the one end of horizontal ejector pin towards vertical prefab is equipped with the connecting plate, be equipped with a plurality of second fixed orifices on the connecting plate, the connecting plate is through wearing to establish bolt on the second fixed orifices with vertical prefab is connected.

In one possible implementation manner, the temporary inclined support structure of the fabricated building provided by the implementation of the application comprises two side plates and two end plates, wherein the two end plates are respectively connected to the opposite ends of the two side plates, a strip-shaped groove with an opening at the top is formed by enclosing between the two end plates and the two side plates, a plurality of adjusting through holes distributed along the horizontal direction are respectively arranged on the two side plates, and the adjusting through holes on the two side walls are symmetrically arranged one by one;

the bottom of diagonal bar is equipped with inserts the connecting piece, be equipped with the jack on inserting the lateral wall of connecting piece, insert the connecting piece and insert in the strip inslot, the jack intercommunication the regulation through-hole, insert the connecting piece with the chassis is through wearing to establish bolt connection on regulation through-hole and the jack.

In one possible implementation manner, in the temporary inclined support structure of the fabricated building provided by the implementation of the application, an adjusting block is arranged in the strip-shaped groove, the bottom end of the adjusting block is connected with the bottom plate, the top of the adjusting block is provided with a plurality of adjusting grooves distributed along the horizontal direction, each adjusting groove is correspondingly communicated with one adjusting through hole, one side, facing away from the vertical prefabricated member, of the adjusting groove is provided with a first cambered surface, and the first cambered surface is coaxial with the adjusting through hole;

the bottom of the insertion connecting piece is provided with a second cambered surface, and the second cambered surface is attached to the first cambered surface.

In one possible implementation manner, the temporary inclined support structure of the fabricated building is provided, the portion of the fixing column, which is embedded in the vertical prefabricated member, is provided with reinforcing ribs, and the reinforcing ribs extend out from the side walls of the fixing column vertically.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, it being obvious that the drawings in the following description are some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural view of a temporary diagonal bracing structure of a fabricated building according to an embodiment of the present application;

FIG. 2 is an exploded schematic view of a temporary diagonal bracing structure of a fabricated building provided in an embodiment of the present application;

fig. 3 is a schematic structural view of a male buckle connector in a temporary diagonal bracing structure of a fabricated building according to an embodiment of the present application;

FIG. 4 is a schematic diagram of the relationship between a lateral support assembly and a diagonal support assembly in a temporary diagonal support structure of a fabricated building according to an embodiment of the present application;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

FIG. 6 is an enlarged schematic view at B in FIG. 4;

fig. 7 is a schematic structural view (partially cut-away) of a transverse support assembly in a temporary diagonal support structure of a fabricated building according to an embodiment of the present application.

Reference numerals illustrate:

10-horizontal preform;

20-vertical prefabricated parts;

30-a lateral support assembly;

31-a bottom plate;

311-a first fixing hole;

32-a chassis;

32 a-a strip-shaped groove;

321-side plates;

321 a-an adjustment through hole;

322-end plates;

323-a regulating block;

323 a-a regulating groove;

323 b-a first cambered surface;

33-a horizontal ejector rod;

34-connecting plates;

341-a second fixing hole;

40-diagonal support member;

41-diagonal bar;

411-adjusting tube;

411 a-external threads;

412-connecting the tubes;

42-snap-fit connection;

421-connecting button holes;

421 a-pass;

421 b-locking portion;

43-insert connector;

43 a-a jack;

43 b-a second cambered surface;

44-pin shafts;

50-male buckle connection piece;

51-fixing the column;

52-limiting plates;

53-reinforcing ribs;

60-bolts;

70-nut.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Fig. 1 is a schematic structural view of a temporary diagonal bracing structure of a fabricated building according to an embodiment of the present application; FIG. 2 is an exploded schematic view of a temporary diagonal bracing structure of a fabricated building provided in an embodiment of the present application; fig. 3 is a schematic structural view of a male buckle connector in a temporary diagonal bracing structure of a fabricated building according to an embodiment of the present application; FIG. 4 is a schematic diagram of the relationship between a lateral support assembly and a diagonal support assembly in a temporary diagonal support structure of a fabricated building according to an embodiment of the present application; FIG. 5 is an enlarged schematic view at A in FIG. 4; FIG. 6 is an enlarged schematic view at B in FIG. 4; fig. 7 is a schematic structural view (partially cut-away) of a transverse support assembly in a temporary diagonal support structure of a fabricated building according to an embodiment of the present application.

Referring to fig. 1-7, an embodiment of the present application provides a temporary diagonal bracing structure for a fabricated building, including a horizontal prefabricated member 10, a vertical prefabricated member 20, a lateral bracing assembly 30, and a diagonal bracing assembly 40, wherein:

referring to fig. 1, a vertical prefabricated member 20 is disposed on a horizontal prefabricated member 10, and a vertical structural support may be a concrete prefabricated wall panel, a concrete prefabricated column, etc., and the horizontal prefabricated member 10 may be a concrete prefabricated beam, a concrete prefabricated floor slab, etc.

Referring to fig. 2 and 3, a protruding buckle connector 50 is disposed on a side wall of the vertical prefabricated member 20, the protruding buckle connector 50 includes a cylindrical fixing column 51 and a circular plate-shaped limiting plate 52, a part of columns of the fixing column 51 are embedded in the vertical prefabricated member 20, another part of columns of the fixing column 51 are exposed out of the vertical prefabricated member, the limiting plate 52 is connected to one end of the fixing column 51 exposed out of the vertical prefabricated member, and an outer edge of the limiting plate 52 protrudes out of the side wall of the fixing column 51.

Referring to fig. 2, 4 and 5, the bottom end of the lateral support assembly 30 is fixed on the horizontal prefabricated member 10, the lateral end of the lateral support assembly 30 is fixed at the lower portion of the vertical prefabricated member 20, the diagonal support assembly 40 includes a diagonal rod 41 and a snap connection member 42, the bottom end of the diagonal rod 41 is connected with the lateral support assembly 30, and the snap connection member 42 is hinged at the top end of the diagonal rod 41 through a pin 44, so that the snap connection member 42 can rotate relative to the diagonal rod 41.

The snap connection member 42 is hollow, and a connecting button hole 421 is formed in a side wall of the snap connection member 42 facing the vertical prefabricated member 20, and the connecting button hole 421 communicates with the inside of the snap connection member 42. The coupling button hole 421 has a passing portion 421a and a locking portion 421b communicating with each other, and the locking portion 421b is located above the passing portion 421 a. The passing portion 421a is a circular hole, and the locking portion 421b is a bar-shaped hole, and an upper portion of the passing portion 421a communicates with the locking portion 421 b. The radial dimension of the passing portion 421a is larger than the radial dimension of the limiting plate 52, the passing portion 421a allows the limiting plate 52 to pass through, and the limiting plate 52 can enter the inside of the snap connection member 42 through the locking portion 421 b. The width of the locking portion 421b is greater than the radial dimension of the fixing post 51, and the width of the locking portion 421b is smaller than the radial dimension of the limiting plate 52, and the locking portion 421b can allow the fixing post 51 to pass through, so that the limiting plate 52 is clamped inside the snap connection member 42, and the snap connection member 42 is connected with the vertical prefabricated member 20.

In use, a constructor firstly places the transverse support assembly 30 on the horizontal prefabricated member 10, fixes the bottom end of the transverse support assembly 30 with the horizontal prefabricated member 10, and fixes the side end of the transverse support assembly 30 with the lower portion of the vertical prefabricated member 20, so that the lower portion of the vertical prefabricated member 20 is supported by the transverse support assembly 30. The constructor lifts the diagonal bar 41 again to align the connection buckle hole 421 of the buckle connector 42 with the male buckle connector 50, to enable the limiting plate 52 of the male buckle connector 50 to enter the buckle connector 42 from the passing portion 421a of the connection buckle hole 421, and then moves down the buckle connector 42 to enable the fixing column 51 of the male buckle connector 50 to slide into the locking portion 421b, to enable the limiting plate 52 to be clamped inside the buckle connector 42, to enable the buckle connector 42 to be connected with the vertical prefabricated member 20, and to support the upper portion of the vertical prefabricated member 20 through the diagonal support assembly 40. The constructor then connects the bottom end of the diagonal member 41 with the lateral support member 30, so that triangular stress is formed among the diagonal support member 40, the lateral support member 30 and the vertical prefabricated member, and the vertical prefabricated member is supported. When the diagonal support assembly 40 needs to be disassembled, the diagonal support assembly 40 can be disassembled only by lifting the diagonal rod 41 to enable the snap connection piece 42 to move upwards and the limiting plate 52 to be separated from the connecting buckle hole 421.

The temporary inclined support structure of the fabricated building that this application embodiment passed through accomplishes the connection between inclined support assembly 40 and vertical prefab 20 through the cooperation of protruding knot connecting piece 50 and hasp connecting piece 42, not only makes things convenient for the ann of inclined support assembly 40 to tear open, still need not constructor in the operation of eminence, has avoided constructor from the risk that the eminence dropped.

Referring to fig. 4, in detail, the diagonal rod 41 includes an adjusting tube 411 and a connecting tube 412, each of opposite ends of the adjusting tube 411 has an insertion portion, and an external thread 411a is provided on an outer wall surface of the insertion portion. The two insertion parts are respectively sleeved with a connecting pipe 412, the inner wall surface of the connecting pipe 412 is provided with internal threads, and the external threads 411a of the insertion parts are matched and connected with the internal threads of the connecting pipe 412.

Since the adjusting tube 411 is in threaded connection with the connecting tube 412, the relative position between the adjusting tube 411 and the connecting tube 412 can be changed by rotating the adjusting tube 411 or the connecting tube 412, so that the length of the diagonal rod 41 can be adjusted, and the diagonal rod 41 can adapt to various different working conditions.

Referring to fig. 7, in particular, the lateral support assembly 30 includes a bottom plate 31, a bottom frame 32, and a horizontal jack 33, the bottom frame 32 being fixed to the bottom plate 31, the horizontal jack 33 being connected to an end of the bottom frame 32 facing the vertical preform 20. The bottom plate 31 is provided with a plurality of first fixing holes 311, and the bottom plate 31 is connected with the horizontal prefabricated member 10 through bolts 60 penetrating through the first fixing holes 311. One end of the horizontal ejector rod 33 facing the vertical prefabricated member 20 is provided with a connecting plate 34, a plurality of second fixing holes 341 are formed in the connecting plate 34, and the connecting plate 34 is connected with the vertical prefabricated member 20 through bolts 60 penetrating through the second fixing holes 341.

Referring to fig. 6 and 7, in the embodiment of the present application, the chassis 32 includes two side plates 321 and two end plates 322, the two end plates 322 are respectively connected at two opposite ends of the two side plates 321, a strip-shaped groove 32a with an open top is formed by enclosing between the two end plates 322 and the two side plates 321, a plurality of adjusting through holes 321a distributed along the horizontal direction are respectively arranged on the two side plates 321, and the adjusting through holes on the two side walls are arranged in a one-to-one symmetry. The bottom end of the inclined rod 41 is provided with an inserting connecting piece 43, the side wall of the inserting connecting piece 43 is provided with an inserting hole 43a, the inserting connecting piece 43 is inserted into the strip-shaped groove 32a, the inserting hole 43a is communicated with the adjusting through hole 321a, and the inserting connecting piece 43 is connected with the underframe 32 through bolts 60 penetrating through the adjusting through hole 321a and the inserting hole 43 a.

Thus, the bottom end of the diagonal member 41 is adjustable in position on the lateral support member 30 by symmetrically arranging the insertion holes 43a of the diagonal member 41 into the insertion holes 43a of the connector 43 and the insertion holes Ji Tiaozhuang grooves 32a at different positions, and the adjustment holes are inserted into the adjustment holes 321a and the insertion holes 43a by the bolts 60 and fixed by the nuts 70.

Referring to fig. 7, for improving stability, an adjusting block 323 is disposed in the strip-shaped groove 32a, the bottom end of the adjusting block 323 is connected with the bottom plate 31, a plurality of adjusting grooves 323a distributed along the horizontal direction are disposed at the top of the adjusting block 323, each adjusting groove 323a is correspondingly communicated with an adjusting through hole 321a, a first cambered surface 323b is disposed on one side, facing away from the vertical prefabricated member 20, of the adjusting groove 323a, the first cambered surface 323b is coaxial with the adjusting through hole 321a, a second cambered surface 43b is disposed at the bottom end of the inserting connecting piece 43, and the second cambered surface 43b is attached to the first cambered surface 323 b.

In this way, the force applied to the bottom end of the insertion connector 43 is mainly received by the adjusting block 323, reducing the force applied to the bolt 60 penetrating the adjusting through hole 321a and the insertion hole 43a, and making the connection of the diagonal levers more stable.

Referring to fig. 3, in the embodiment of the present application, a portion of the fixing column 51 embedded in the vertical prefabricated member 20 is provided with a reinforcing rib, and the reinforcing rib extends vertically from a side wall of the fixing column 51. In this way, the bonding strength between the fixing column 51 and the vertical prefabricated member 20 can be enhanced, and the male buckle connecting piece 50 is pulled out from the vertical prefabricated member 20 after being stressed.

In the description of the embodiments of the present application, it should be understood that the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, or indirectly connected through intermediaries, or in communication between two elements, or in interaction with each other, unless explicitly stated and limited otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. The terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.

The terms first, second, third, fourth and the like in the description and in the claims of the present application and in the above-described figures, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of operation in sequences other than those illustrated or described herein, for example. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the scope of the corresponding technical solutions of the embodiments of the present application.

Claims (6)

1. The temporary inclined support structure of the assembled building is characterized by comprising a horizontal prefabricated member, a vertical prefabricated member, a transverse support assembly and an inclined support assembly, wherein the vertical prefabricated member is arranged on the horizontal prefabricated member;

the side wall of the vertical prefabricated member is provided with a convex buckle connecting piece, the convex buckle connecting piece comprises a fixed column and a limiting plate, part of columns of the fixed column are pre-buried in the vertical prefabricated member, the other part of columns of the fixed column are exposed out of the vertical prefabricated member, the limiting plate is connected to one end of the fixed column exposed out of the vertical prefabricated member, and the outer edge of the limiting plate protrudes out of the side wall of the fixed column;

the bottom end of the transverse supporting component is fixed on the horizontal prefabricated member, and the side end of the transverse supporting component is fixed at the lower part of the vertical prefabricated member; the oblique support component comprises an oblique rod and a hasp connecting piece, the bottom end of the oblique rod is connected with the transverse support component, and the hasp connecting piece is hinged to the top end of the oblique rod through a pin shaft;

the side wall of the hasp connecting piece, which faces the vertical prefabricated member, is provided with a connecting buckling hole, the connecting buckling hole is provided with a passing part and a locking part which are communicated with each other, and the locking part is positioned above the passing part; the passing part can be used for the limiting plate to pass through, the locking part can be used for the fixing column to pass through, and the width of the locking part is smaller than that of the limiting plate.

2. The temporary diagonal bracing structure of the fabricated building according to claim 1, wherein the diagonal rod comprises an adjusting pipe and a connecting pipe, wherein two opposite ends of the adjusting pipe are respectively provided with an insertion part, and an external thread is arranged on the external wall surface of the insertion part;

the two insertion parts are respectively sleeved with one connecting pipe, the inner wall surface of each connecting pipe is provided with an internal thread, and the external threads of the insertion parts are connected with the internal threads of the connecting pipes in a matched mode.

3. The temporary diagonal bracing structure of the fabricated building according to claim 1, wherein the lateral support assembly comprises a bottom plate, a bottom frame and a horizontal ejector rod, the bottom frame is fixed on the bottom plate, and the horizontal ejector rod is connected to one end of the bottom frame facing the vertical prefabricated member;

the bottom plate is provided with a plurality of first fixing holes, and the bottom plate is connected with the horizontal prefabricated member through bolts penetrating through the first fixing holes;

the one end of horizontal ejector pin towards vertical prefab is equipped with the connecting plate, be equipped with a plurality of second fixed orifices on the connecting plate, the connecting plate is through wearing to establish bolt on the second fixed orifices with vertical prefab is connected.

4. The temporary inclined support structure of the fabricated building according to claim 3, wherein the underframe comprises two side plates and two end plates, the two end plates are respectively connected to opposite ends of the two side plates, a strip-shaped groove with an open top is formed by surrounding the two end plates and the two side plates, a plurality of adjusting through holes distributed along the horizontal direction are respectively arranged on the two side plates, and the adjusting through holes on the two side walls are symmetrically arranged one by one;

the bottom of diagonal bar is equipped with inserts the connecting piece, be equipped with the jack on inserting the lateral wall of connecting piece, insert the connecting piece and insert in the strip inslot, the jack intercommunication the regulation through-hole, insert the connecting piece with the chassis is through wearing to establish bolt connection on regulation through-hole and the jack.

5. The temporary inclined support structure of the fabricated building according to claim 4, wherein an adjusting block is arranged in the strip-shaped groove, the bottom end of the adjusting block is connected with the bottom plate, a plurality of adjusting grooves distributed along the horizontal direction are arranged at the top of the adjusting block, each adjusting groove is correspondingly communicated with one adjusting through hole, one side, facing away from the vertical prefabricated member, of the adjusting groove is provided with a first cambered surface, and the first cambered surface is coaxial with the adjusting through hole;

the bottom of the insertion connecting piece is provided with a second cambered surface, and the second cambered surface is attached to the first cambered surface.

6. The temporary diagonal bracing structure for fabricated buildings according to any one of claims 1 to 5, wherein the portion of the fixing column pre-buried in the vertical prefabricated member is provided with reinforcing ribs which vertically extend from the side walls of the fixing column.

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