CN214615627U - Lifting type steel support jig frame - Google Patents

Abstract

The application discloses over-and-under type steel shotcrete bed-jig includes: base, height adjusting device and top surface strutting arrangement. Wherein the base is connected with the height adjusting device and fixed on the ground, and the base supports the height adjusting device; the height adjusting device is connected with the top surface supporting device; and the height of the lifting type steel support jig frame is adjusted by using the height adjusting device.

Description

Lifting type steel support jig frame

Technical Field

The application relates to the field of building construction, in particular to a lifting type steel support jig frame.

Background

The input of steel pipe or steel is great when large tracts of land rack is assembled to the construction progress when setting up the scaffold bed-jig is slower. Assembling at high altitude may cause the problems of inconvenient operation, high construction cost and low safety factor. According to the past engineering experience, the net rack ground splicing table is mainly made of brick masonry or reinforced concrete pier studs.

However, the elevation precision when the grid ground splicing table is built by using brick masonry or reinforced concrete pier stud is difficult to control, easy to crush and difficult to ensure the quality. And when the reinforced concrete is adopted for assembly, the reinforced concrete still needs to be maintained, so that the construction period is prolonged. When the net rack ground assembling table is built by adopting bricks or reinforced concrete pier studs, the quality of the net rack ground assembling table cannot be guaranteed, and the problems of human resource waste, construction efficiency reduction, non-cyclic utilization, material resource waste, building waste generation and difficulty in site cleaning also exist. The two traditional methods have low construction efficiency, low rigidity of the ground net rack assembling table and incapability of accurately adjusting the height, and the assembling precision and quality of the steel structure spherical net rack cannot be ensured.

Aiming at the technical problems that the net rack ground splicing table constructed by adopting the brick masonry or the reinforced concrete pier stud in the prior art has low rigidity, can not accurately adjust the height and has low construction efficiency, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lifting steel support bed-jig to at least solve the technical problem that the net rack ground splicing table that adopts brick masonry or reinforced concrete pier stud construction to obtain among the prior art has the rigidity low, can not accurate adjustment height and construction work efficiency is low.

According to an aspect of the present application, there is provided an elevating steel support jig including: base, height adjusting device and top surface strutting arrangement. Wherein the base is connected with the height adjusting device and fixed on the ground, and the base supports the height adjusting device; the height adjusting device is connected with the top surface supporting device; and the height of the lifting type steel support jig frame is adjusted by using the height adjusting device.

Optionally, the height adjustment device comprises: steel pipe, lead screw and screw. Wherein the steel pipe is sleeved outside the screw rod; the nut is clamped on the upper outer edge profile of the steel pipe; and the screw rod is connected with the screw nut.

Alternatively, the nut increases or decreases the length of the lead screw inside the steel pipe by rotating on the lead screw. And then the nut rotates on the screw rod and is clamped and fixed on the outline of the upper outer edge of the steel pipe, so that the height of the lifting type steel support jig frame is adjusted.

Optionally, the base comprises: steel sheet and floor. Wherein the steel plate is fixed on the ground and connected with the ribbed slab; and a rib plate fixing and supporting height adjusting device.

Alternatively, the rib plates are four groups, and the rib plates are respectively arranged along the diagonal lines of the steel plate above the steel plate.

Optionally, the top surface supporting device comprises a supporting plate and a top surface steel pipe, and the height adjusting device comprises a screw rod. Wherein the supporting plate is connected with the top of the screw rod; and the top steel pipe stands on the supporting plate and is connected with the supporting plate.

Optionally, the height adjustment device further comprises a steel tube. When the screw rod is lifted in the steel pipe, the support plate and the top steel pipe standing on the support plate are driven to lift.

Thereby through the technical scheme of this embodiment, solved the above-mentioned technical problem who exists among the prior art to this embodiment relates to construction field's over-and-under type steel shotcrete bed-jig, has following advantage:

1. selecting a ground assembled net rack, and integrally improving the construction technology;

2. the lifting steel support jig frame can ensure the elevation of a building and control the deformation precision;

3. the lifting type steel support jig frame is convenient to operate, high in efficiency, low in construction cost and high in safety coefficient;

4. the lifting steel support jig is a finished product device and can be used in a turnover mode.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic view of an elevating steel support bed according to an embodiment of the present application;

fig. 2 is a schematic view of a disassembled part of the elevating steel support jig shown in fig. 1.

Detailed Description

It should be noted that, in the present disclosure, the embodiments and features of the embodiments may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions of the present disclosure better understood by those skilled in the art, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing the embodiments of the disclosure herein. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

FIG. 1 is a schematic view of an elevating steel support bed according to an embodiment of the present application. Referring to fig. 1, the elevating steel support jig includes: a base 10, a height adjusting means 20 and a top surface supporting means 30. Wherein the base 10 is connected with the height adjusting device 20 and fixed on the ground, and the base 10 supports the height adjusting device 20; the height adjusting device 20 is connected with the top surface supporting device 30; and the height of the lifting type steel supporting jig is adjusted by using the height adjusting device 20.

As described in the background. The input of steel pipe or steel is great when large tracts of land rack is assembled to the construction progress when setting up the scaffold bed-jig is slower. Assembling at high altitude may cause the problems of inconvenient operation, high construction cost and low safety factor. According to the past engineering experience, the net rack ground splicing table is mainly made of brick masonry or reinforced concrete pier studs.

However, the elevation precision when the grid ground splicing table is built by using brick masonry or reinforced concrete pier stud is difficult to control, easy to crush and difficult to ensure the quality. And when the reinforced concrete is adopted for assembly, the reinforced concrete still needs to be maintained, so that the construction period is prolonged. When the net rack ground assembling table is built by adopting bricks or reinforced concrete pier studs, the quality of the net rack ground assembling table cannot be guaranteed, and the problems of human resource waste, construction efficiency reduction, non-cyclic utilization, material resource waste, building waste generation and difficulty in site cleaning also exist. The two traditional methods have low construction efficiency, low rigidity of the ground net rack assembling table and incapability of accurately adjusting the height, and the assembling precision and quality of the steel structure spherical net rack cannot be ensured.

Aiming at the technical problem, the method aims to solve the problem that the construction is affected due to low rigidity, incapability of accurately adjusting the height and low construction efficiency of a net rack ground splicing table constructed by adopting brick masonry or reinforced concrete pier columns. The over-and-under type steel supports bed-jig of this embodiment includes: a base 10, a height adjusting means 20 and a top surface supporting means 30. Wherein the base 10 is fixed on the ground and the height adjusting means 20 is connected thereto. The upper end of the height adjusting device 20 is connected with a top surface supporting device 30. The base 10 is stably fixed on the ground, and all connection points of the base 10 and the height adjusting device 20 are firmly welded, so that the technical effect of high rigidity of the lifting type steel support jig frame is achieved. The height adjustment device 20 is in the form of a vertical rod, and is mainly connected in a spigot-and-socket manner by a sleeve. Thereby can make the height that just supports the bed-jig of over-and-under type change through the height-adjusting device 20 body, and then can reach the technological effect of accurate adjustment height. The top surface supporting means 30 is mainly used to support the net rack, and since the top surface supporting means 30 is connected to the height adjusting means 20, the top surface supporting means 30 can also be changed according to the change of the height adjusting means 20 when the height of the body of the height adjusting means 20 is adjusted. The lifting steel support jig is a finished product device, can be detached at any time and can be used in a turnover mode.

Therefore, through the mode, the lifting type steel support jig frame has high rigidity and can be accurately adjusted in height, and the lifting type steel support jig frame is a finished device, can be detached at any time and can be used in a turnover mode. Therefore, the net rack ground assembling table can be assembled by assembling the lifting type steel support jig frame, so that the assembled net rack ground assembling table has the advantages of high rigidity, accurate height adjustment and high construction efficiency. And further solve the technical problems that the net rack ground splicing table obtained by adopting brick masonry or reinforced concrete pier stud construction in the prior art has low rigidity, can not accurately adjust the height and has low construction efficiency.

Optionally, the height adjustment device 20 comprises: steel pipe 201, lead screw 202 and nut 203. Wherein the steel pipe 201 is sleeved outside the screw rod 202; the nut 203 is clamped on the upper outer edge profile of the steel pipe 201; and the lead screw 202 is connected with the nut 203.

Specifically, referring to fig. 1 and 2, the height adjusting device 20 includes: steel pipe 201, lead screw 202 and nut 203. The diameter of the steel pipe 201 is larger than that of the screw rod 202 and the steel pipe is sleeved outside the screw rod 202, namely the steel pipe 201 and the screw rod 202 are connected in a socket-spigot manner. The outer contour diameter of the nut 203 is larger than that of the steel pipe 201 and is clamped on the upper outer edge contour of the steel pipe 201. The lead screw 202 is connected with a nut 203.

Preferably, the size of the screw 202 is 48mm × 3.25 mm.

Alternatively, the nut 203 increases or decreases the length of the lead screw 202 inside the steel pipe 201 by rotating on the lead screw 202. And then the nut 203 rotates on the screw rod 202 and is clamped and fixed on the upper outer edge profile of the steel pipe 201, so that the height of the steel support jig frame is adjusted.

Specifically, the nut 203 is connected with the lead screw 202. The nut 203 is rotatable and movable on the lead screw 202. The nut 203 increases or decreases the length of the screw 202 in the steel pipe 201 by moving on the screw 202. Therefore, the total length of the steel pipe 201, the screw 203 and the part of the screw 202 above the screw 203 is increased or reduced, and the change amount of the increase or reduction of the height of the lifting steel support jig can be accurately controlled.

Optionally, the base 10 comprises: steel plate 101 and rib plate 102. Wherein the steel plate 101 is fixed on the ground and connected with the rib plate 102; and the rib 102 fixes and supports the height adjusting device 20.

Specifically, referring to fig. 1 and 2, the base 10 includes: steel plate 101 and rib plate 102. Wherein the steel plate 101 has a square shape, the steel plate 101 is placed on the ground, and the rib plate 102 is provided above the steel plate 101. The rib plate 102 and the steel plate 101 are connected by welding, so that the connection between the rib plate 102 and the steel plate 101 is more compact. The parts where the rib plates 102 are contacted with the height adjusting devices 20 are also connected in a welding mode, and the rib plates 102 support and fix the height adjusting devices 20, so that the rigidity of the base 10 and the height adjusting devices 20 is improved, and the lifting steel support bed-jig is prevented from being damaged during construction.

Preferably, the base 10 has dimensions of 150mm × 150mm × 12 mm. The rib 102 is triangular in shape.

Alternatively, the rib 102 is four groups, and the ribs 102 are respectively provided along diagonal lines of the steel plate 101 above the steel plate 101.

Specifically, referring to fig. 2, four sets of ribs 102 having the same shape and size are welded to a steel plate 101, and the ribs 102 are respectively provided along diagonal lines of the steel plate 101 for fixing the support height adjusting device 20.

Alternatively, the top surface supporting means 30 comprises a supporting plate 301 and a top surface steel pipe 302, and the height adjusting means 20 comprises a screw rod 202. Wherein the supporting plate 301 is connected with the top of the screw rod 202; and the top steel pipe 302 stands on the support plate 301 and is connected with the support plate 301.

Specifically, referring to fig. 1, the top surface supporting means 30 includes a supporting plate 301 and a top surface steel pipe 302. Wherein the support plate 301 is fixed to the upper end of the screw 202 by welding. The top steel pipe 302 is also connected with the support plate 301 by welding.

Preferably, the top steel pipe 302 is a round steel pipe, which can fit the shape of the spherical net rack.

Optionally, the height adjusting device 20 further comprises a steel tube 201. When the screw 202 is lifted inside the steel tube 201, the support plate 301 and the top steel tube 302 standing on the support plate 301 are lifted.

Specifically, when the nut 203 rotates on the lead screw 202, the length of the portion of the lead screw 202 above the nut 203 changes, i.e., the height of the top support 30 changes.

Further, an example of building construction using the elevating type steel supporting jig will be described.

The project engineering of the first-stage production guarantee area of Guizhou aviation Limited company has the problems of short engineering period, more welding points needed by the net rack, high difficulty in controlling welding deformation of the net rack and the like. Aiming at the characteristics of large span of the net rack and heavy net rack components, the construction method selects a ground bulk integral lifting method. The ground bulk integral lifting method needs to utilize a lifting steel support jig frame for building construction.

The method comprises the following steps: assembling the lifting steel support jig frame into an assembling table, extending the net rack from the middle to two sides grid by utilizing the assembling table, and firstly, winding down, then winding up and then winding down;

step two: the installation of the lower chord plane net rack requires aligning the axis, the central line and the elevation of the top of the column. Mounting a first span lower chord ball and a rod to form a longitudinal plane grid;

step three: and a supporting point is found, and the equality of the lower chord ball is ensured. When the net rack arches, finding out a slope bottom on the temporary supporting point;

step four: the design program can calculate and draw conclusions according to the space grid structure analysis: the maximum design value of Z-direction counter force of the lifting steel support jig support is 19KN, and the requirement of foundation bearing capacity is met;

step five: the arching of the net rack is realized by adjusting the height of the height adjusting device 20 in the lifting type steel support jig. The arching values of all points of the net rack lower chord balls are different, the actual elevation of the jig frame assembled by the lower chord balls is accurately measured, and the geometric dimension of the net rack is ensured. The lifting steel support jig frame needs to meet the precision requirement, and the error needs to be controlled within +/-1 mm.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are presented only for the convenience of describing and simplifying the disclosure, and in the absence of a contrary indication, these directional terms are not intended to indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the disclosure; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a over-and-under type steel shotcrete bed-jig which characterized in that includes: a base (10), a height adjusting device (20) and a top surface supporting device (30), wherein

The base (10) is connected with the height adjusting device (20) and fixed on the ground, and the base (10) supports the height adjusting device (20);

the height adjusting device (20) is connected with the top surface supporting device (30); and is

And the height of the lifting steel support jig frame is adjusted by using the height adjusting device (20).

2. The lifting steel support bed according to claim 1, characterized in that said height adjustment means (20) comprise: a steel pipe (201), a screw rod (202) and a nut (203), wherein

The steel pipe (201) is sleeved outside the screw rod (202);

the nut (203) is clamped and fixed on the upper outer edge profile of the steel pipe (201); and

the screw rod (202) is connected with the nut (203).

3. The lifting steel support jig as claimed in claim 2, wherein the nut (203) is rotated on the lead screw (202) to increase or decrease the length of the lead screw (202) inside the steel pipe (201), and then the nut (203) is rotated on the lead screw (202) and clamped on the upper outer edge profile of the steel pipe (201) to adjust the height of the lifting steel support jig.

4. The elevating steel support bed according to claim 1, characterized in that said base (10) comprises: a steel plate (101) and a rib plate (102), wherein

The steel plate (101) is fixed on the ground and connected with the rib plate (102); and

the rib plate (102) fixes and supports the height adjusting device (20).

5. The elevating steel support jig of claim 4, wherein the ribs (102) are four groups, and the ribs (102) are respectively provided along diagonal lines of the steel plate (101) above the steel plate (101).

6. The elevating steel support jig of claim 1, wherein the topping support device (30) comprises a support plate (301) and a topping steel pipe (302), and the height adjusting device (20) comprises a lead screw (202), wherein

The supporting plate (301) is connected with the top of the screw rod (202); and

the top steel pipe (302) stands on the supporting plate (301) and is connected with the supporting plate (301).

7. The lifting steel support jig frame as claimed in claim 6, wherein the height adjusting device (20) further comprises a steel tube (201), and when the screw rod (202) performs lifting operation inside the steel tube (201), the screw rod drives the support plate (301) and the top steel tube (302) standing on the support plate (301) to lift.

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