CN216616849U

CN216616849U - Adjustable support jacking for concrete inclined structure

Info

Publication number: CN216616849U
Application number: CN202120417999.5U
Authority: CN
Inventors: 李慧伟; 周智鹏; 李闯; 刘朋; 蔡梦; 刘国栋; 林木
Original assignee: Second Construction Engineering Co Ltd of China Construction Third Engineering Division
Current assignee: Second Construction Engineering Co Ltd of China Construction Third Engineering Division
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-05-27
Anticipated expiration: 2031-02-25

Abstract

There is provided an adjustable stand jacking for a concrete tilting structure, comprising: the steel tube height adjusting device comprises a conversion steel tube upright rod (1), a height adjusting tray (2), a supporting stud (3), an angle adjusting nut (4), a main supporting flat-head steel tube (5), a secondary supporting double-flat-head steel tube (6), a top connecting device (7) and an adjustable top supporting plate (8); the top of conversion steel pipe pole setting (1) supports heightening tray (2) and supports stull (3), main tributary props flat-head steel pipe (5) and can supports two flat-head steel pipe with adjustable top layer board and time and be connected, the time supports two flat-head steel pipe and is connected with angle modulation nut, support stull (3) and stretch into top connecting device (7), angle modulation nut (4) and support stull (3) screw-thread fit are connected, wrench movement supports stull (3) in order to adjust with the relative position of angle modulation nut (4), drive time and support two flat-head steel pipe (6) and main tributary and prop flat-head steel pipe (5) and rotate, to adjustable top layer board (8) angle control.

Description

Adjustable support jacking for concrete inclined structure

Technical Field

The utility model relates to the technical field of construction templates and related engineering of formwork, in particular to an adjustable support jacking for a concrete inclined structure.

Background

With the diversity of modern concrete structure design, concrete special-shaped structures increase. Concrete supports are generally temporary concrete structures that can be removed to some extent. Most of the prior art are embodied in underground structures or bridges and other temporary projects. For example: the supporting beam structure (sometimes including concrete temporary columns) is used for horizontally supporting the surrounding underground walls in the foundation and the foundation, and the whole stress system is a concrete supporting system. The concrete support system includes a diagonal brace and a gusset design pattern. In the prior art, a formwork for a concrete inclined structure adopts a diagonal bracing design mode vertical to a formwork surface, such as a steel pipe support system under a stair and a full-span support system under a bridge flange plate.

However, the bracing design method has the following disadvantages:

1. the support steel pipe is large in investment, and a large number of diagonal bracing rods are required to be invested except for the vertical rod support;

2. the treatment effect at the place where the inclined strut falls to the ground is difficult to ensure, and the inclined strut condition is not provided for part of limited places;

3. the arrangement is complex and the construction time is long.

Therefore, there is a need to develop an adjustable bracket structure for a concrete tilting structure to solve one or more of the above-mentioned technical problems.

Disclosure of Invention

In order to solve one or more technical problems in the prior art, the utility model provides an adjustable support jacking for a concrete inclined structure, which realizes jacking rotation through a hinged joint, simultaneously transmits the lateral force of a rod to an upright rod again through a top round rod, and omits the use of an inclined rod through the structure of the jacking. The angle of the tray can be adjusted by the position relation of the angle adjusting nut and the supporting screw rod so as to adapt to various structural angles.

The utility model aims to provide an adjustable bracket jacking for a concrete inclined structure, which comprises: the steel tube height adjusting device comprises a conversion steel tube upright rod (1), a height adjusting tray (2), a supporting stud (3), an angle adjusting nut (4), a main supporting flat-head steel tube (5), a secondary supporting double-flat-head steel tube (6), a top connecting device (7) and an adjustable top supporting plate (8); the top of the conversion steel pipe vertical rod (1) supports the height-adjusting tray (2) and the supporting bolt column (3), the main supporting flat-head steel pipe (5) is connected with the adjustable top supporting plate (8) and the secondary supporting double-flat-head steel pipe (6), the secondary supporting double-flat-head steel pipe (6) is connected with the angle-adjusting nut (4), the supporting bolt column (3) extends into the top connecting device (7), the angle-adjusting nut (4) is connected with the supporting bolt column (3) in a threaded fit mode, the supporting bolt column (3) is twisted to adjust the relative position of the supporting bolt column (3) and the angle-adjusting nut (4), and therefore the secondary supporting double-flat-head steel pipe (6) and the main supporting flat-head steel pipe (5) are driven to rotate, and angle control over the adjustable top supporting plate (8) is achieved; the conversion steel pipe upright stanchion (1) comprises an upper part steel pipe (1-2) and a lower part steel pipe (1-1) which are connected by welding, wherein the diameter of the lower part steel pipe (1-1) is larger than that of the upper part steel pipe (1-2), the upper part steel pipe (1-2) is used for supporting the height-adjusting tray (2) and the supporting studs (3), the support stud (3) comprises a top portion (3-1) and a lower threaded portion (3-2), the lower thread part (3-2) is connected with the thread of the angle adjusting nut (4) in a matching way, the top (3-1) of the supporting bolt column (3) extends into the lower part of the top connecting device (7), and the periphery of the extending part is not provided with threads, so that the top connecting device (7) cannot be displaced when the supporting bolt column (3) rotates.

According to another aspect of the utility model, the height-adjusting tray (2) comprises an upper steel tray (2-1) and a lower steel sleeve (2-2) which are connected by welding, the diameter of the upper steel tray (2-1) is larger than that of the upper part steel pipe (1-2) of the conversion steel pipe vertical rod (1), the outer diameter of the lower steel sleeve (2-2) is slightly smaller than that of the upper part steel pipe (1-2) of the conversion steel pipe vertical rod (1), the lower steel sleeve (2-2) is inserted into the upper part steel pipe (1-2) of the conversion steel pipe vertical rod (1), threads are arranged inside the lower steel sleeve (2-2), the inner diameter of the lower steel sleeve (2-2) is matched with the threads and the threads of the threads and the diameter of the support bolt column (3), the exposed length of the supporting bolt (3) is adjusted by controlling the selection depth of the supporting bolt (3).

According to the other aspect of the utility model, the angle adjusting nut (4) comprises a nut ring (4-1) and an outward extending lug plate (4-2), wherein the secondary support double-flat-head steel pipe (6) is connected with the outward extending lug plate (4-2) of the angle adjusting nut (4) through a pin shaft, threads matched with the threads of the support bolt column (3) are arranged in the nut ring (4-1), and the relative position of the secondary support double-flat-head steel pipe (6) and the primary support flat-head steel pipe (5) is adjusted by twisting the support bolt column (3) to drive the secondary support double-flat-head steel pipe (6) and the primary support flat-head steel pipe (5) to rotate so as to control the angle of the adjustable top supporting plate (8).

According to another aspect of the utility model, the top connecting device (7) comprises a pair of ear plates (7-1) and a single-end closed steel pipe (7-2), the top part (3-1) of the supporting stud (3) extends into the lower single-end closed steel pipe (7-2), and the lower part of the adjustable top supporting plate (8) is connected with the pair of ear plates (7-1) through a pin shaft.

According to a further aspect of the utility model, the adjustable top pallet (8) comprises an upper U-shaped pallet (8-1) and a lower ear plate (8-2) which are welded together, and the lower ear plate (8-2) is pin-jointed with a pair of ear plates (7-1) at the top of the top connecting device (7).

According to another aspect of the utility model, the main supporting flat-head steel pipe (5) is welded with the adjustable top supporting plate (8), the secondary supporting double-flat-head steel pipe (6) is in pin connection with the outward extending lug plate (4-2) of the angle adjusting nut (4), and the secondary supporting double-flat-head steel pipe (6) is in pin connection with the main supporting flat-head steel pipe (5).

According to another aspect of the utility model, the angle adjusting nut (4) is replaced by a fastening buckle (9), the supporting bolt column (3) adopts a non-threaded design in a sliding interval of the fastening buckle (9), the rest lower part adopts a threaded design for adjusting the exposed length of the supporting bolt column (3), the fastening buckle (9) consists of an upper half steel hoop (9-1), a lower half steel hoop (9-2), a fastening bolt (9-3) and an ear plate (9-4), wherein the upper half steel hoop (9-1) is hinged with the lower half steel hoop (9-2) through a corner pin shaft, the ear plate (9-4) is welded in the middle of the lower half steel hoop (9-2) and hinged with a secondary supporting double flat head steel pipe (6), the upper half steel hoop (9-1) and the lower half steel hoop (9-2) are closed by screwing the fastening bolt (9-3), clamping the supporting stud (3).

According to another aspect of the utility model, the secondary support double-flat-head steel pipe (6) is replaced by a group of combined members with adjustable length, the combined members are hinged with the main support flat-head steel pipe (5), the combined members comprise double-opening bolt sleeves (11), single-opening sleeves (10) and bolts (12), when the combined members are used, the length of the bolts (12) can be adjusted, so that the position of the angle adjusting nut (4) can be adjusted, the moving space of the height adjusting tray (2) on the support stud (3) is ensured, and the exposure range of the support stud (3) is further increased.

The use method of the adjustable bracket jacking for the concrete inclined structure comprises the following steps:

step 1, producing corresponding components in a factory in batches, assembling the components in the factory to form assembled components, and transporting the assembled components to a construction site before erecting support frame steel pipes on the site;

step 2, rotating the supporting bolt (3) according to the structure and the inclination angle of the supporting system, and adjusting the relative position of the supporting bolt (3) and the angle adjusting nut (4) to match the inclination angle of the structure and the supporting system;

step 3, screwing the height-adjusting tray (2) into the supporting studs (3), controlling the screwing depth of the height-adjusting tray (2), and adjusting the exposed length of the supporting studs (3);

step 4, after rotating to the position, placing the height-adjusting tray (2) on the conversion steel pipe upright stanchion (1), and placing the exposed part of the supporting stud (3) in the conversion steel pipe upright stanchion (1);

and 5, placing the adjustable support jacking of the adjusted concrete inclined structure on the finished support frame steel pipe to finish jacking installation, and performing installation and construction of the next procedure as required.

Compared with the prior art, the utility model has one or more of the following technical effects:

1) a adjustable support top for concrete inclined structure holds in palm, through articulated node in the palm the pivoted in the realization top, gives the pole setting again with pole lateral force through top round bar, saves the use of down tube through the structure of top support.

2) The angle of the steel tray can be adjusted by adjusting the position relation of the angle nut and the supporting screw rod so as to adapt to various structural angles.

3) Rational in infrastructure, simple structure, safe and reliable can adapt to the change of most of structure angles, and all kinds of forms support system pole setting on the market use in the cooperation trade provides more convenient operation mode for special-shaped structure supports, improves the efficiency of construction, and it is extremely strong to promote the meaning.

Drawings

So that the manner in which the above recited features of the present invention can be understood in detail, a more particular description of the utility model, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings. The drawings relate to preferred embodiments of the utility model and are described below:

fig. 1 is a top elevation view of an adjustable bracket of a concrete tilting structure according to a first preferred embodiment of the present invention;

FIG. 2 is a perspective view of an adjustable bracket jacking of a concrete tilting structure and a structural view of an elevation adjusting tray according to a first preferred embodiment of the present invention;

FIG. 3 is a schematic perspective view of an adjustable support jacking transition steel pipe upright of a concrete tilting structure according to a first preferred embodiment of the present invention;

FIG. 4 is a perspective view illustrating a jacking supporting bolt of an adjustable bracket of the concrete tilting structure according to the first preferred embodiment of the present invention;

FIG. 5 is a schematic structural view of an adjustable bracket jacking angle-adjusting nut of the concrete tilting structure according to the first preferred embodiment of the utility model;

FIG. 6 is a schematic view showing the structure of an adjustable bracket jacking top connection device of the concrete tilting structure according to the first preferred embodiment of the present invention;

FIG. 7 is a schematic view showing a structure of an adjustable bracket jacking and adjustable jacking plate of the concrete tilting structure according to the first preferred embodiment of the present invention;

FIG. 8 is a schematic view showing an overall structure of an adjustable bracket jacking for a concrete tilting structure according to a second preferred embodiment of the present invention;

FIG. 9 is a schematic view of a fastening type bayonet structure according to a second preferred embodiment of the present invention

Fig. 10 is a schematic view showing an overall structure of an adjustable bracket jacking for a concrete tilting structure according to a third preferred embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the various embodiments, one or more examples of which are illustrated in each figure. The examples are provided by way of explanation and are not meant as limitations. For example, features illustrated or described as part of one embodiment can be used on or in conjunction with any other embodiment to yield yet a further embodiment. It is intended that the present invention encompass such modifications and variations.

In the following description of the drawings, the same reference numerals indicate the same or similar components. In general, only the differences between the individual embodiments will be described. Descriptions of parts or aspects in one embodiment can also be applied to corresponding parts or aspects in another embodiment, unless explicitly stated otherwise.

Three embodiments provide the adjustable support top support that is used for concrete slope structure that three kinds of theory of action are similar, through articulated node when realizing the top support pivoted, give the pole setting with pole lateral force through top round bar secondary transfer, save the use of down tube through the structure of top support. The angle of the tray can be adjusted by the position relation of the angle adjusting nut and the supporting screw rod so as to adapt to various structural angles.

Referring to fig. 1-2, the first embodiment:

an adjustable stand jacking for concrete tilt structures comprising: the device comprises a conversion steel pipe upright rod 1, a height-adjusting tray 2, a support stud 3, an angle-adjusting nut 4, a main support flat-head steel pipe 5, a secondary support double-flat-head steel pipe 6, a top connecting device 7 and an adjustable top supporting plate 8; the top of conversion steel pipe pole setting 1 supports heightening tray 2 and supports stull 3, the main tributary props flat-head steel pipe 5 and supports double-flat-head steel pipe 6 with adjustable top layer board 8 and time and is connected, the time supports double-flat-head steel pipe 6 and is connected with angle modulation nut 4, it stretches into inside top connecting device 7 to support the stull 3, angle modulation nut 4 passes through screw-thread fit with support stull 3 and is connected, twist support stull 3 and support the relative position of stull 3 with angle modulation nut 4 in order to adjust, thereby it supports flat-head steel pipe 5 and main tributary to drive time and supports double-flat-head steel pipe 6 and main tributary and rotate, in order to realize the angle control to adjustable top layer board 8.

Referring to fig. 3, the conversion steel pipe vertical rod 1 comprises an upper steel pipe 1-2 and a lower steel pipe 1-1 which are connected in a welding manner, wherein the diameter of the lower steel pipe 1-1 is larger than that of the upper steel pipe 1-2, and the upper steel pipe 1-2 is used for supporting the heightening tray 2 and the supporting studs 3.

Referring to fig. 2, the height-adjusting tray 2 comprises an upper steel tray 2-1 and a lower steel sleeve 2-2 which are connected in a welding mode, the diameter of the upper steel tray 2-1 is larger than that of an upper steel pipe 1-2 of the conversion steel pipe vertical rod 1, the outer diameter of the lower steel sleeve 2-2 is slightly smaller than the inner diameter of the upper steel pipe 1-2 of the conversion steel pipe vertical rod 1, the lower steel sleeve 2-2 is inserted into the upper steel pipe 1-2 of the conversion steel pipe vertical rod 1, threads are arranged inside the lower steel sleeve 2-2, the inner diameter of the lower steel sleeve 2-2 is matched with the diameter and the threads of a screw thread and a supporting bolt 3, and the exposed length of the supporting bolt 3 is adjusted by controlling the selection depth of the supporting bolt 3.

Referring to fig. 4, the supporting stud 3 includes a top portion 3-1 and a lower threaded portion 3-2, the lower threaded portion 3-2 is in threaded engagement with the angle adjusting nut 4, the top portion 3-1 of the supporting stud 3 extends into the lower portion of the top connecting device 7, and the periphery of the extending portion is unthreaded, so that the supporting stud 3 does not cause the top connecting device 7 to displace when rotating.

Referring to fig. 5, the angle adjusting nut 4 comprises a nut ring 4-1 and an outward extending lug plate 4-2, wherein the secondary support double-flat-head steel tube 6 is connected with the outward extending lug plate 4-2 of the angle adjusting nut 4 through a pin shaft, threads matched with the threads of the support stud 3 are arranged in the nut ring 4-1, the support stud 3 is twisted to adjust the relative position of the secondary support double-flat-head steel tube 6 and the primary support flat-head steel tube 5, and the angle of the adjustable top supporting plate 8 is controlled.

Referring to fig. 6, the top connection device 7 comprises a pair of ear plates 7-1 and a single-end closed steel pipe 7-2, the top 3-1 of the support stud 3 extends into the lower single-end closed steel pipe 7-2, and the lower part of the adjustable top support plate 8 is connected with the pair of ear plates 7-1 through a pin shaft.

Referring to fig. 7, the adjustable top supporting plate 8 comprises an upper U-shaped supporting plate 8-1 and a lower ear plate 8-2 which are welded together, and the lower ear plate 8-2 is pin-jointed with a pair of ear plates 7-1 on the top of the top connecting device 7.

The main supporting flat-head steel pipe 5 is welded with the adjustable top supporting plate 8 and is in rigid connection, and the connected end part has bending moment, shearing force and axial force;

the secondary support double-flat-head steel pipe 6 is connected with the outward extending ear plate 4-2 of the angle adjusting nut 4 through a pin shaft, the secondary support double-flat-head steel pipe 6 is connected with the main support flat-head steel pipe 5 through a pin shaft, the hinge joints are connected, the connected end part can not bear bending moment, the stress of the connected end part can be transmitted to the angle adjusting nut 4, because the angle adjusting nut 4 is restricted by the supporting bolt 3, only can move up and down along the axial direction of the supporting bolt 3, before the upper die frame system is formed, the supporting studs 3 are stressed, the secondary supporting double-flat-head steel pipe 6 and the main supporting flat-head steel pipe 5 are stressed less, the angle adjusting nuts 4 are connected with the supporting studs 3 through threads to meet the supporting requirements, after the upper die carrier system is formed, the supporting studs 3 are stressed, the secondary supporting double-flat-head steel pipe 6 and the main supporting flat-head steel pipe 5 tend to be unstressed, and the inclined jacking function is mainly the inclined angle of the matching structure.

The second embodiment:

the angle adjusting nut 4 in the first embodiment is replaced with a fastening buckle 9, and the structures, positions and connection relations of other parts are unchanged, so that the details are not described in this embodiment. The support studs 3 are designed in a non-threaded mode in the sliding interval of the fastening type buckle 9, and the remaining lower portions of the support studs are designed in a threaded mode and used for adjusting the exposed length of the support studs 3. Referring to fig. 9, the fastening type buckle 9 is composed of an upper half steel hoop 9-1, a lower half steel hoop 9-2, a fastening bolt 9-3 and an ear plate 9-4, wherein the upper half steel hoop 9-1 is hinged with the lower half steel hoop 9-2 through a corner pin shaft, the ear plate 9-4 is welded in the middle of the lower half steel hoop 9-2 and is hinged with a secondary support double-flat-head steel pipe 6, and the upper half steel hoop 9-1 and the lower half steel hoop 9-2 are closed by screwing the fastening bolt 9-3 to clamp the support bolt column 3.

When the adjustable top supporting plate is used, the position of the fastening buckle 9 is adjusted to control the angle of the adjustable top supporting plate 8, then the fastening bolt 9-3 is screwed to enable the fastening buckle 9 to clamp the supporting stud 3, the position of the fastening buckle 9 on the supporting stud 3 is stabilized through the friction force between the fastening buckle 9 and the supporting stud 3, and the angle of the adjustable top supporting plate 8 is further controlled.

Referring to fig. 10, the third embodiment:

the secondary support double-flat-head steel pipe 6 of the first embodiment is replaced by a group of combined components with adjustable lengths, and the structures, positions and connection relations of other components are kept unchanged, so that the description is omitted in the embodiment. The combined member is hinged with the main support flat-head steel pipe 5 and comprises a double-opening bolt sleeve 11, a single-opening sleeve 10 and a bolt 12, the position of the angle adjusting nut 4 can be adjusted by adjusting the length of the bolt 12 during use, the moving space of the heightening tray 2 on the support stud 3 is guaranteed, and the exposed range of the support stud 3 is further enlarged.

The use method of the adjustable bracket jacking for the concrete inclined structure in the three embodiments comprises the following steps:

step 1, producing corresponding components in a factory in batches, assembling the components in the factory to form assembled components, and transporting the assembled components to a construction site before erecting support frame steel pipes on site;

step 2, rotating the supporting bolt 3 according to the structure and the inclination angle of the supporting system, and adjusting the relative positions of the supporting bolt 3 and the angle adjusting nut 4 to match the inclination angles of the structure and the supporting system;

step 3, screwing the heightening tray 2 into the supporting studs 3, controlling the screwing depth of the heightening tray 2, and adjusting the exposed length of the supporting studs 3;

step 4, after rotating to the position, placing the heightening tray 2 on the conversion steel pipe upright stanchion 1, and placing the exposed part of the supporting stud 3 in the conversion steel pipe upright stanchion 1;

and 5, arranging the adjustable support jacking of the adjusted concrete inclined structure on the finished support frame steel pipe to finish jacking installation, and performing installation construction of the next procedure as required.

The structure of the three embodiments has one or more of the following technical effects:

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention, and the features of the embodiments that do not violate each other may be combined with each other. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable bracket jacking for a concrete tilting structure, comprising: the steel tube height adjusting device comprises a conversion steel tube upright rod (1), a height adjusting tray (2), a supporting stud (3), an angle adjusting nut (4), a main supporting flat-head steel tube (5), a secondary supporting double-flat-head steel tube (6), a top connecting device (7) and an adjustable top supporting plate (8); the top of the conversion steel pipe vertical rod (1) supports the height-adjusting tray (2) and the supporting bolt column (3), the main supporting flat-head steel pipe (5) is connected with the adjustable top supporting plate (8) and the secondary supporting double-flat-head steel pipe (6), the secondary supporting double-flat-head steel pipe (6) is connected with the angle-adjusting nut (4), the supporting bolt column (3) extends into the top connecting device (7), the angle-adjusting nut (4) is connected with the supporting bolt column (3) in a threaded fit mode, the supporting bolt column (3) is twisted to adjust the relative position of the supporting bolt column (3) and the angle-adjusting nut (4), and therefore the secondary supporting double-flat-head steel pipe (6) and the main supporting flat-head steel pipe (5) are driven to rotate, and angle control over the adjustable top supporting plate (8) is achieved; the conversion steel pipe vertical rod (1) comprises an upper part steel pipe (1-2) and a lower part steel pipe (1-1) which are connected in a welding mode, wherein the diameter of the lower part steel pipe (1-1) is larger than that of the upper part steel pipe (1-2), and the upper part steel pipe (1-2) is used for supporting the height-adjusting tray (2) and the supporting bolt column (3); the supporting bolt column (3) comprises a top part (3-1) and a lower threaded part (3-2), the lower threaded part (3-2) is in threaded fit connection with the angle adjusting nut (4), the top part (3-1) of the supporting bolt column (3) extends into the lower part of the top connecting device (7), and no thread is arranged on the periphery of the extending part, so that the supporting bolt column (3) cannot cause the displacement of the top connecting device (7) when rotating; the height-adjusting tray (2) comprises an upper steel tray (2-1) and a lower steel sleeve (2-2) which are connected in a welding mode, the diameter of the upper steel tray (2-1) is larger than that of an upper part steel pipe (1-2) of the conversion steel pipe vertical rod (1), the outer diameter of the lower steel sleeve (2-2) is slightly smaller than that of the upper part steel pipe (1-2) of the conversion steel pipe vertical rod (1), the lower steel sleeve (2-2) is inserted into the upper part steel pipe (1-2) of the conversion steel pipe vertical rod (1), threads are arranged inside the lower steel sleeve (2-2), the inner diameter of the lower steel sleeve (2-2) is matched with the threads of the threads and the diameter of the supporting bolt column (3), and the selecting depth of the supporting bolt column (3) is controlled, adjusting the exposed length of the support stud (3); the angle adjusting nut (4) comprises a nut ring (4-1) and an outward extending lug plate (4-2), wherein the secondary support double-flat-head steel tube (6) is connected with the outward extending lug plate (4-2) of the angle adjusting nut (4) through a pin shaft, threads matched with threads of the support stud (3) are arranged in the nut ring (4-1), and the relative positions of the secondary support double-flat-head steel tube (6) and the main support flat-head steel tube (5) are driven to rotate by twisting the support stud (3) to adjust the relative positions of the secondary support double-flat-head steel tube and the angle adjusting nut (4), so that the angle of the adjustable top supporting plate (8) is controlled; the top connecting device (7) comprises a pair of ear plates (7-1) and a single-end closed steel pipe (7-2), the top (3-1) of the supporting stud (3) extends into the lower single-end closed steel pipe (7-2), and the lower part of the adjustable top supporting plate (8) is connected with the pair of ear plates (7-1) through a pin shaft; the adjustable top supporting plate (8) comprises an upper U-shaped supporting plate (8-1) and a lower ear plate (8-2) which are connected in a welding mode, and the lower ear plate (8-2) is in pin connection with a pair of ear plates (7-1) at the top of the top connecting device (7); the main supporting flat-head steel pipe (5) is welded with the adjustable top supporting plate (8), the secondary supporting double-flat-head steel pipe (6) is in pin shaft connection with the outward extending lug plate (4-2) of the angle adjusting nut (4), and the secondary supporting double-flat-head steel pipe (6) is in pin shaft connection with the main supporting flat-head steel pipe (5); the angle adjusting nut (4) is replaced by a fastening type buckle (9), the supporting bolt column (3) is in a non-threaded design in a sliding interval of the fastening type buckle (9), the remaining lower part of the supporting bolt column (3) is in a threaded design and is used for adjusting the exposed length of the supporting bolt column (3), the fastening type buckle (9) is composed of an upper half steel hoop (9-1), a lower half steel hoop (9-2), a fastening bolt (9-3) and an ear plate (9-4), the upper half steel hoop (9-1) is hinged with the lower half steel hoop (9-2) through a corner pin shaft, the ear plate (9-4) is welded in the middle of the lower half steel hoop (9-2) and hinged with a secondary supporting double-flat-head steel pipe (6), the upper half steel hoop (9-1) is closed with the lower half steel hoop (9-2) through screwing the fastening bolt (9-3), clamping the support stud (3).

2. An adjustable bracket jacking for concrete tilting structures according to claim 1, characterised in that: inferior two flat head steel pipes of support (6) are changed into the combined member of a set of adjustable length, combined member with main tributary props flat head steel pipe (5) and articulates, combined member is including two opening bolt sleeve (11), single opening sleeve (10) and bolt (12), can adjust during the use thereby the length adjustment of bolt (12) is transferred the position of angle modulation nut (4), guarantees heightening tray (2) is in support removal space on stud (3), and then increase support the scope of exposing of stud (3).