Auxiliary limiting device for section steel column

Abstract

The utility model discloses an auxiliary limiting device for a section steel column, which comprises a base and a limiting assembly, the limiting assembly comprises a connecting rod and a limiting rod, and the limiting rod is arranged on the base through the connecting rod; the base is provided with an annular track which is closed in the circumferential direction, and the connecting rod is driven to slide in the annular track; the limiting rod is arranged on the connecting rod, the limiting rod is provided with an abutting end, and the abutting end is driven to be close to or away from the center of the annular rail; a plurality of groups of limiting assemblies are arranged on the base; the supporting assembly is used for limiting the base to a designated position; the position coordinates and perpendicularity of the section steel column can be kept during construction, the arrangement precision of the section steel column is guaranteed, and the construction period is shortened as much as possible.

Description

Technical Field

[0001] This utility model relates to the field of building construction, specifically to an auxiliary limiting device for steel columns. Background Technology

[0002] Currently, underground construction is increasingly common in municipal and building engineering projects, and many projects involve reverse construction methods for underground structures. When installing steel columns (lattice columns), due to their large height and the lack of a permanent connecting beam at the top, the top is unrestrained, making it difficult to control the verticality during subsequent construction.

[0003] Because steel columns (lattice columns) are part of the vertical permanent structure, they will later be combined with concrete to form a steel-concrete vertical support structure. Currently, it is difficult to control the position coordinates and verticality of unrestrained steel columns (lattice columns). To meet the design and relevant specifications, the accuracy requirements are relatively high, and the construction period is relatively long.

[0004] Therefore, to solve the above problems, an auxiliary limiting device for steel columns is needed to maintain the position coordinates and verticality of the steel columns during construction, ensure the setting accuracy of the steel columns, and shorten the construction cycle as much as possible. Utility Model Content

[0005] In view of this, the purpose of this utility model is to overcome the defects in the prior art and provide an auxiliary limiting device for steel columns, which can maintain the position coordinates and verticality of the steel columns during construction, ensure the setting accuracy of the steel columns, and shorten the construction cycle as much as possible.

[0006] The present invention relates to an auxiliary limiting device for steel columns, comprising a base and a limiting assembly, wherein the limiting assembly comprises a connecting rod and a limiting rod, and the limiting rod is mounted on the base via the connecting rod;

[0007] The base has a circumferentially closed annular track, and the connecting rod is driven to slide within the annular track;

[0008] The limiting rod is provided on the connecting rod, and the limiting rod has an abutting end, which is driven to move closer to or away from the center of the circular track;

[0009] The limiting components are several sets arranged on the base;

[0010] It also includes a support assembly for positioning the base in a designated location.

[0011] Furthermore, the annular track has a blocking portion that limits the connecting rod, and the connecting rod has a sliding end that is limited within the annular track by the blocking portion.

[0012] Furthermore, the limiting component also includes a locking element, which is used to position the abutment end at a set position.

[0013] Further, the support assembly comprises a plurality of pull cables, one end of each of the pull cables is arranged on the base, and the other end of each of the pull cables is arranged at a designated position.

[0014] Alternatively, the support assembly comprises a plurality of telescopic rods, one end of each of the telescopic rods is arranged on the base, and the other end of each of the telescopic rods is arranged at a designated position, and the length of each of the telescopic rods is controlled to adjust the length of the telescopic rod.

[0015] Further, the annular track comprises a circular track arranged at the bottom of the base, and the bottom of the base is provided with a guide groove communicated with the circular track, and the connecting rod penetrates into the circular track through the guide groove.

[0016] The connecting rod is arranged in the circular track through a bearing, the inner ring of the bearing is fixed with the connecting rod, and the outer ring of the bearing is limited by the inner wall of the circular track.

[0017] Further, the limiting rod comprises a screw rod penetrating the connecting rod, the connecting rod is provided with a through hole for the screw rod to penetrate, and the screw rod is perpendicular to the connecting rod; and the locking member comprises a nut threadedly connected with the screw rod.

[0018] Further, the base is in a circular shape, and the limiting assembly further comprises a front baffle and a rear baffle, the front baffle is arranged at the front side of the inner wall surface of the base, and the rear baffle is arranged at the rear side of the outer wall surface of the base.

[0019] The front baffle is provided with an inner functional surface consistent with the curvature of the inner wall surface of the base, and the rear baffle is provided with an outer functional surface consistent with the curvature of the outer wall surface of the base.

[0020] The front baffle is further provided with an inner blocking surface opposite to the inner functional surface, and the rear baffle is further provided with an outer blocking surface opposite to the outer functional surface.

[0021] The front baffle and the rear baffle are arranged on the base through the screw rod.

[0022] The nut comprises a front locking nut arranged at the front side of the inner blocking surface and a rear locking nut arranged at the rear side of the outer blocking surface.

[0023] The front baffle is limited at the front side of the inner wall surface of the base by the front locking nut, and the rear baffle is limited at the rear side of the outer wall surface of the base by the rear locking nut.

[0024] Further, the base comprises two groups of connecting rods arranged at two ends of the connecting rod respectively.

[0025] The two groups of bases are limited by the same group of front and rear baffle plates, and the limiting rods are sequentially arranged from back to front between the two groups of bases and pass through the rear locking nut, the rear baffle plate, the connecting rod, the front baffle plate and the front locking nut.

[0026] The auxiliary limiting device for the steel column has the advantages that the connecting rod is slid in the annular track, the limiting rod can be adjusted to the specified position according to the characteristics of the cross section of the steel column, the base can be fixed on the steel column or removed from the steel column by adjusting the abutting end of the limiting rod, the base is limited in the specified position by the supporting assembly, the position coordinates and the perpendicularity of the steel column can be maintained during construction, the setting accuracy of the steel column is ensured, and the construction period is shortened as much as possible. BRIEF DESCRIPTION OF DRAWINGS

[0027] The utility model will be further described in connection with the drawings and embodiments:

[0028] Figure 1 It is the structural schematic diagram of the utility model;

[0029] Figure 2 It is the structural overhead schematic diagram of the utility model;

[0030] Figure 3 It is the A-A structure schematic diagram of the utility model; Figure 2

[0031] Figure 4 It is the structural schematic diagram of the connecting rod of the utility model;

[0032] Figure 5 It is the structural schematic diagram of the supporting rod of the utility model. DETAILED DESCRIPTION

[0033] Figure 1 It is the structural schematic diagram of the utility model, as shown in the figure, the auxiliary limiting device for the steel column in the embodiment includes base 1 and limiting assembly, the base 1 is used to install limiting assembly, the limiting assembly includes connecting rod 2 and limiting rod 3, the limiting rod 3 is set on the base 1 by connecting rod 2;

[0034] The base 1 is the circumferentially closed annular structure, when using, the scheme is set on the steel column 001, the base 1 has the circumferentially closed annular track 4, the connecting rod 2 is driven to slide in the annular track 4, so that the limiting rod 3 arranged on the connecting rod 2 can be adjusted to the appropriate position at any time, the limiting rod 3 has the abutting end 5, the abutting end 5 is driven to approach or away from the center of the annular track 4;

[0035] ​The limiting assembly is provided on the base 1, and the connecting rod 2 slides in the annular track 4, so that the limiting rod 3 can be adjusted to the specified position according to the characteristics of the cross section of the steel column 001, and the base 1 can be firmly arranged on the steel column 001 or removed from the steel column 001 by adjusting the abutting end of the limiting rod, so that the base 1 is convenient and fast to use and can be repeatedly used, and has higher universality.

[0036] The support assembly is further included for limiting the base 1 at the specified position, and the base 1 is arranged at the specified position by the support assembly after being fixed on the steel column 001, and the specified position is generally the ground, so that the position coordinates and the perpendicularity of the steel column 001 can be maintained during construction, the setting accuracy of the steel column 001 is ensured, and the construction period is shortened as much as possible.

[0037] In the embodiment, the support assembly includes a cable, one end of the cable is arranged on the base 1, and the other end of the cable is arranged at the specified position, and the cable is arranged circumferentially on the base 1.

[0038] Alternatively, the support assembly includes a telescopic rod 6, one end of the telescopic rod 6 is arranged on the base 1, and the other end of the telescopic rod 6 is arranged at the specified position, and the length of the telescopic rod 6 is adjusted, and the telescopic rod 6 is arranged circumferentially on the base 1.

[0039] Both can reliably and effectively fix the steel column 001, and the position coordinates and the perpendicularity of the steel column 001 can be maintained during construction; in the scheme as shown in Figure 5 the existing telescopic rod 6 is selected, the telescopic rod 6 is arranged circumferentially on the base 1, the telescopic rod 6 includes a threaded sleeve 61 arranged in the middle and threaded rods 62 arranged at both ends, the length of the telescopic rod 6 is adjusted by rotating the threaded sleeve, the top end of the telescopic rod 6 is hinged to the bottom of the base 1, and the bottom end of the telescopic rod 6 is fixed at the specified position, any existing hinge structure is selected, and the hinge axis is perpendicular to the length direction of the steel column 001, so that the support structure in Figure 1 can form stable support for the steel column 001, and the position coordinates and the perpendicularity of the steel column 001 can be maintained during construction.

[0040] In the embodiment, the annular track 4 has a blocking part for limiting the connecting rod 2, and the connecting rod 2 has a sliding end limited in the annular track 4 by the blocking part. The connecting rod 2 can be stably limited on the base 1 by the blocking part and the sliding end, the limiting rod 3 arranged on the connecting rod 2 can stably support the steel column 001, the stable arrangement of the base 1 on the steel column 001 is ensured, and the connection reliability of the base 1 and the steel column 001 is improved.

[0041] In the embodiment, the limiting assembly further comprises a locking member for positioning the abutting end 5 at a set position. The locking member can further ensure that the abutting end 5 effectively supports the steel column 001.

[0042] In the embodiment, the base 1 is in a circular ring shape, the circular track 4 comprises a circular track 4, the center of the circular track 4 coincides with the center of the circular base 1, the circular track 4 is located at the bottom of the base 1, and the bottom of the base 1 has a guide groove 7 connected to the circular track 4, and the connecting rod 2 extends into the circular track 4 through the guide groove 7. More specifically, the base 1 comprises a base body and a cover plate, the circular track 4 is formed by upwardly recessing the bottom surface of the base body, and the cover plate is in a circular ring shape and closes the bottom of the circular track 4. The guide groove is formed on the cover plate, and the cover plate and the base body are detachably fixed by screws. The part of the circular track 4 blocked by the cover plate forms a blocking part.

[0043] The connecting rod 2 is arranged in the circular track through a bearing 8, the inner ring of the bearing 8 is fixed with the connecting rod 2, and the outer ring of the bearing 8 is limited by the inner wall of the circular track 4. The central axis of the bearing 8 is parallel to the central axis of the circular track 4, so that the connecting rod 2 slides in the circular track through the rotation of the bearing 8, which reduces friction and facilitates driving, and also makes the connecting rod 2 have higher strength, more stable operation and longer service life when connected to the base 1. The bearing 8 forms a sliding end of the connecting rod 2. The bearing 8 is selected from any one in the prior art as appropriate to achieve the intended function, and will not be described here.

[0044] In the embodiment, the bottom wall of the circular track has an avoiding groove 9 for avoiding the bearing 8, so as to facilitate the rotation of the bearing 8, reduce work interference, and improve the convenience of adjustment.

[0045] In the embodiment, the limiting rod 3 comprises a screw rod arranged in the connecting rod 2, and the end of the screw rod close to the center of the steel column 001 is an abutting end 5. In the scheme, the abutting end 5 is in a strip shape parallel to the extension direction of the steel column 001, and the screw rod is located at the middle of the length direction of the strip-shaped abutting end 5, so that the force is evenly distributed to the steel column 001 through the abutting end 5.

[0046] The connecting rod 2 has a through hole 21 for the screw rod to pass through, and the screw rod is perpendicular to the connecting rod 2, which reduces the force interference between the screw rod and the connecting rod 2 and improves the stability of the whole structure. The locking member comprises a nut threadedly connected with the screw rod, which is simple and reliable in structure, cheap and easy to obtain, and convenient to use.

[0047] The limiting assembly further comprises a front baffle 10 and a rear baffle 11, the front baffle 10 is arranged on the front side of the inner wall surface of the base, and the rear baffle 11 is arranged on the rear side of the outer wall surface of the base 1; the front direction is the direction close to the center of the profile steel column 001 in the circumferential direction of the profile steel column 001, and the rear direction is opposite to the front direction, which will not be repeated here.

[0048] As shown in Figure 2 The front baffle 10 has an inner functional surface consistent with the curvature of the inner wall surface of the base, and the rear baffle 11 has an outer functional surface consistent with the curvature of the outer wall surface of the base 1; the front baffle 10 further has an inner blocking surface opposite to the inner functional surface, and the rear baffle 11 further has an outer blocking surface opposite to the outer functional surface; the front baffle 10 and the rear baffle 11 are arranged on the base 1 and are penetrated by the screw rod; the nut comprises a front locking nut 12 arranged on the front side of the inner blocking surface and a rear locking nut 13 arranged on the rear side of the outer blocking surface; the front baffle 10 is limited on the front side of the inner wall surface of the base by the front locking nut 12, and the rear baffle 11 is limited on the rear side of the outer wall surface of the base 1 by the rear locking nut 13; the arrangement of the inner and outer functional surfaces can facilitate the position adjustment of the front baffle 10 and the rear baffle 11 on the base 1, and the arrangement of the inner and outer blocking surfaces facilitates the screw rod to be fastened by the force of the nut; through the arrangement of the front baffle 10 and the rear baffle 11, the structure is more reliable and stable.

[0049] The base 1 comprises two groups respectively arranged on the two ends of the connecting rod 2; the guide grooves 7 of the two groups of bases 1 are opposite to each other, and the two groups of bases 1 are limited by the same group of front baffles 10 and rear baffles 11; the structure that the two groups of bases 1 are arranged opposite to each other and are limited by the same group of front baffles 10 and rear baffles 11 makes the overall scheme more stable, and has higher strength for retaining the screw rod, and the structure is more stable and reliable;

[0050] The limiting rod 3 is sequentially arranged from rear to front among the two groups of bases 1, and penetrates the rear locking nut 13, the rear baffle 11, the connecting rod 2, the front baffle 10 and the front locking nut 12; when adjusting, only the front locking nut 12 and the rear locking nut 13 need to be rotated to adjust the forward or backward movement of the screw rod abutting end 5, the structure is simple and convenient for adjustment, and the structure is stable and reliable.

[0051] In this embodiment, the bottom of the lower base 1 has a hinged lug 14 for assembling the telescopic rod 6, and the telescopic rod 6 is assembled on the bottom of the base 1 through a hinged shaft.

[0052] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical scheme of the utility model and are not limited, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical scheme of the utility model, which should be covered in the scope of the claims of the utility model.

Claims

1. An auxiliary limiting device for a shaped steel column, characterized in that: The base and the limiting assembly, the limiting assembly includes connecting rod and limiting rod, the limiting rod is set on the base through the connecting rod; The base has a circumferentially closed annular track, the connecting rod is driven to slide in the annular track; The limiting rod is set on the connecting rod, the limiting rod has an abutting end, the abutting end is driven to approach or away from the center of the annular track; The limiting assembly is a plurality of groups set on the base; It also includes a support assembly, the support assembly is used to limit the base in the specified position.

2. The auxiliary limiting device for a profile steel column according to claim 1, characterized in that: The annular track has a blocking part to limit the connecting rod, the connecting rod has a sliding end limited in the annular track by the blocking part.

3. The auxiliary limiting device for a profile steel column according to claim 2, characterized in that: The limiting assembly further includes a locking member, the locking member is used to position the abutting end at a set position.

4. The auxiliary limiting device for a profile steel column according to claim 1, characterized in that: The support assembly includes a cable, one end of the cable is set on the base, the other end is set at the specified position, the cable is a plurality of roots set circumferentially on the base; Alternatively, the support assembly includes a telescopic rod, one end of the telescopic rod is set on the base, the other end is set at the specified position, the telescopic rod is controlled to adjust its length, the telescopic rod is a plurality of roots set circumferentially on the base.

5. The auxiliary limiting device for a profile steel column according to claim 3, characterized in that: The annular track includes a circular track, the circular track is located at the bottom of the base, and the bottom of the base has a guide groove communicating with the circular track, the connecting rod penetrates into the circular track through the guide groove; The connecting rod is set in the circular track through a bearing, the inner ring of the bearing is fixed with the connecting rod, and the outer ring of the bearing is limited by the inner wall of the circular track.

6. The auxiliary limiting device for a profile steel column according to claim 5, characterized in that: The limiting rod includes a screw rod penetrating the connecting rod, the connecting rod has a through hole for the screw rod to penetrate, and the screw rod is perpendicular to the connecting rod; the locking member includes a nut screwed with the screw rod.

7. The auxiliary limiting device for a profiled steel column according to claim 6, characterized in that: The base is circular, the limiting assembly further includes a front baffle and a rear baffle, the front baffle is set on the front side of the inner wall surface of the base, and the rear baffle is set on the rear side of the outer wall surface of the base; The front baffle has an inner functional surface consistent with the curvature of the inner wall surface of the base, and the rear baffle has an outer functional surface consistent with the curvature of the outer wall surface of the base; The front baffle further has an inner blocking surface opposite to the inner functional surface, and the rear baffle further has an outer blocking surface opposite to the outer functional surface; The front baffle and the rear baffle are set on the base through the screw rod; The nut includes a front locking nut set on the front side of the inner blocking surface and a rear locking nut set on the rear side of the outer blocking surface; The front baffle is limited on the front side of the inner wall surface of the base through the front locking nut, and the rear baffle is limited on the rear side of the outer wall surface of the base through the rear locking nut.

8. The auxiliary limiting device for a profiled steel column according to claim 7, characterized in that: The base includes two groups respectively corresponding to the two ends of the connecting rod; The two groups of the base are limited by the same front baffle and rear baffle, and the limiting rod penetrates the rear locking nut, the rear baffle, the connecting rod, the front baffle and the front locking nut in sequence from rear to front between the two groups of the base.

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