CN217267497U - Steel upright post positioning device - Google Patents

Abstract

The utility model discloses a steel stand positioner, include: protecting the cylinder; the first limiting plate is provided with a first notch and a second notch, and the first limiting plate is connected with the pile casing through the first notch; the second limiting plate is provided with a third notch and a fourth notch, the second limiting plate is connected with the pile casing through the third notch, the second notch is connected with the fourth notch, and the first limiting plate is connected with the second limiting plate in a mutually perpendicular mode. Through the design of a plurality of notches, the crossing joint of first limiting plate and second limiting plate can reach the effect of steel stand location on protecting a section of thick bamboo to, have easy dismounting, use advantage simple and convenient and that the cost is low.

Description

Steel upright post positioning device

Technical Field

The utility model relates to a construction equipment field, in particular to steel stand positioner.

Background

The steel column plays a supporting role for the supporting beam and the supporting plate in the pile supporting structure. As a vertical force transmission component, the construction quality of the steel upright column directly influences whether the supporting beam is straight or not, and influences the stability and safety of the foundation pit and the appearance of the whole supporting structure. The existing steel upright post construction is easy to deviate, and the steel upright post deflection phenomenon is frequently seen after the foundation pit is excavated.

In the related art, the steel upright post is straightened by adopting the annular air bag, or the position of the steel upright post is fixed by using the positioner and the movable joint, or the steel upright post is limited by welding the cross at the top end of the pile casing, but the manufacturing cost of the devices used by the positioning methods is too high, the using methods are complicated, or secondary adjustment cannot be carried out, so that the devices cannot be popularized and used in actual construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel stand positioner to solve one of the technical problem that exists among the prior art at least.

The technical scheme adopted for solving the technical problems is as follows:

a steel stud locating device comprising: protecting the cylinder; the first limiting plate is provided with a first notch and a second notch, and the first limiting plate is connected with the pile casing through the first notch; the second limiting plate is provided with a third notch and a fourth notch, the second limiting plate is connected with the protective sleeve through the third notch, the second notch is connected with the fourth notch, and the first limiting plate is connected with the second limiting plate in a mutually perpendicular mode.

The utility model discloses following beneficial effect has at least: the first notch and the second notch are formed in the first limiting plate, the third notch and the fourth notch are formed in the second limiting plate, the second notch of the first limiting plate is connected with the fourth notch of the second limiting plate, and the first limiting plate and the second limiting plate are mutually and vertically connected, so that the first limiting plate and the second limiting plate form an L-shaped structural member, and the steel stand column can be positioned; the second notch is connected with the fourth notch, so that the connection position between the first limiting plate and the second limiting plate is fixed, and the assembly is easy; the first limiting plate is connected with the pile casing through the first notch, the second limiting plate is connected with the pile casing through the third notch, and therefore the L-shaped structural member consisting of the first limiting plate and the second limiting plate is quickly erected on the pile casing; through the design of a plurality of notches, the first limiting plate is connected on protecting a section of thick bamboo with crossing the connection of second limiting plate, can reach the spacing effect of steel stand to, have easy dismounting, use advantage simple and convenient and that the cost is low.

As a further improvement of the above technical scheme, the steel column positioning device further includes a first coping plate, a second coping plate and an adjusting mechanism, so that one side close to the central axis of the casing is the inner side, the inner side of the first limiting plate is provided with the first coping plate, the first coping plate and the first limiting plate are arranged in parallel, the first coping plate is movably connected with the first limiting plate through the adjusting mechanism, so that the first coping plate is close to or away from the first limiting plate, the inner side of the second limiting plate is provided with the second coping plate, the second coping plate and the second limiting plate are arranged in parallel, and the second coping plate is movably connected with the second limiting plate through the adjusting mechanism, so that the second coping plate is close to or away from the second limiting plate. Set up first roof board, second roof board and adjustment mechanism, steel stand positioner can adjust the position of first roof board and second roof board according to actual conditions, exerts the effect of location to the steel stand through first roof board and second roof board to steel stand positioner can accomplish the location work to not unidimensional steel stand.

As a further improvement of the technical scheme, the adjusting mechanism comprises a screw rod, the first limiting plate and the second limiting plate are both provided with screw holes, the first ejector plate and the second ejector plate are both provided with connecting portions, one end of the screw rod is rotatably connected with the connecting portions, and the other end of the screw rod is connected with the screw holes. The position of the first pressure top plate or the second pressure top plate is changed by rotating the screw rod, so that the position of the positioning is adjusted, the effect of accurate positioning is achieved, and the positioning device is simple to operate and convenient to disassemble and assemble.

As a further improvement of the above technical solution, the adjusting mechanism further includes a first nut and a second nut, the connecting portions are both provided with first through holes, and one end of the screw rod is connected with the second nut and passes through the first through hole to be connected with the first nut. Through using first nut and second nut cooperation screw rod, first nut and second nut are arranged respectively in the both sides of connecting portion, make the screw rod rotate connecting portion relatively to, when the relative screw of screw rod rotates, the screw rod can drive connecting portion linear motion, thereby realized the position control of first roof board and second roof board, have simple structure unique, easy dismounting and advantage with low costs.

As a further improvement of the above technical solution, the second nut is welded and fixed to the screw. Fix the second nut in the one end of screw rod, combine as an organic whole with the screw rod, carry on spacingly, convenient operation to first roof board and second roof board through adjusting first nut.

As a further improvement of the above technical solution, the adjusting mechanism further includes a bearing plate, the bearing plate is provided with a second through hole, the bearing plate is disposed between the connecting portion and the first nut, and the screw rod passes through the second through hole. Set up the bearing board between connecting portion and first nut, can bear and transmit great load, the first roof board of bearing and second roof board.

As a further improvement of the technical scheme, the bearing plate is fixedly connected with the connecting part. With bearing board and connecting portion fixed connection, avoid the relative motion between bearing board and the connecting portion and cause the spacing influence of first roof board and second roof board.

As a further improvement of the technical scheme, the bearing plate and the connecting part are welded and fixed. The bearing plate is fixedly connected with the connecting part by using a welding method, so that the connection is more stable.

As a further improvement of the above technical solution, the connecting portion is provided with a fifth notch, and the second nut is disposed in the fifth notch. Set up the fifth notch at the connecting portion of first coping and second coping to place the second nut in the fifth notch, make the second nut can be embedded in first coping and second coping and outwards not bulge, first coping and second coping can more accurately fix a position the position of steel stand.

As a further improvement of the above technical solution, the first limiting plate and the second limiting plate are provided with a plurality of lifting lugs. Set up a plurality of lugs on first limiting plate and second limiting plate, the lug provides the impetus, makes things convenient for staff's transport first limiting plate and second limiting plate.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a top view of a steel column positioning device provided in an embodiment of the present invention;

fig. 2 is a schematic view of the first restriction plate of fig. 1;

fig. 3 is a schematic view of a second limiting plate of fig. 1;

FIG. 4 is a schematic view of the second capping plate of FIG. 1;

fig. 5 is a schematic diagram of the connection between the second limiting plate and the second capping plate according to the embodiment of the present invention.

Reference numerals are as follows: 100. protecting the cylinder; 200. a first limit plate; 201. a first notch; 202. a second notch; 203. a screw hole; 300. a second limiting plate; 301. a third notch; 302. a fourth notch; 400. a first capping plate; 500. a second capping plate; 501. a screw; 502. a second nut; 503. a first nut; 504. a support plate; 600. a steel upright post.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 5, the steel column positioning device includes a casing 100, a first limiting plate 200, and a second limiting plate 300, wherein the casing 100 is cylindrical, the first limiting plate 200 is provided with a first notch 201 and a second notch 202, and the second limiting plate 300 is provided with a third notch 301 and a fourth notch 302.

As shown in fig. 2, two ends of the first limiting plate 200 are respectively provided with a first notch 201 which is open downwards, the width of the first notch 201 is adapted to the thickness of the sidewall of the casing 100, and the first notch 201 can be clamped on the sidewall of the casing 100.

As shown in fig. 3, one end of the second limiting plate 300 is provided with a third notch 301 which is open downwards, the width of the third notch 301 is adapted to the thickness of the sidewall of the casing 100, and the third notch 301 can be clamped on the sidewall of the casing 100.

As shown in fig. 2 and fig. 3, the first limiting plate 200 further has a second notch 202 opening upwards, the second notch 202 is located between the two first notches 201, the second limiting plate 300 further has a fourth notch 302 opening downwards, the fourth notch 302 and the third notch 301 are located at two ends of the second limiting plate 300 respectively, the width of the second notch 202 is adapted to the thickness of the second limiting plate 300, the width of the fourth notch 302 is adapted to the thickness of the first limiting plate 200, the second notch 202 is clamped with the fourth notch 302, so that the first limiting plate 200 and the second limiting plate 300 are perpendicular to each other and connected, furthermore, the first limiting plate 200 can be prevented from moving relative to the second limiting plate 300, and the purpose of fixing the connection position between the first limiting plate 200 and the second limiting plate 300 to reduce the assembling difficulty is achieved.

The first limiting plate 200 is connected with the pile casing 100 through the first notch 201, the second limiting plate 300 is connected with the pile casing 100 through the third notch 301, and the L-shaped structural member composed of the first limiting plate 200 and the second limiting plate 300 is quickly erected on the pile casing 100. One or two first notches 201 may be provided.

The first limiting plate 200 and the second limiting plate 300 are vertically connected with each other to form a right angle (namely an L-shaped structural member), and in the construction process, the steel upright 600 is put down along the right angle, so that the purpose of positioning the steel upright 600 can be achieved. And, through the design of a plurality of notches, use the mode of joint to connect protecting a section of thick bamboo 100, first limiting plate 200 and second limiting plate 300, have easy dismounting, use advantage simple and convenient and that the cost is low.

It is understood that the second notch 202 is disposed between two of the first notches 201 and adjacent to one of the first notches 201. When the second notch 202 is disposed outside the two first notches 201, and the second notch 202 is clamped with the fourth notch 302, the third notch 301 cannot be clamped with the sidewall of the casing 100. When the second notch 202 is disposed at an intermediate position between the two first notches 201, the placement space of the steel pillar 600 is small, which is not favorable for actual construction.

It can be understood that the second limiting plate 300 may also be provided with two third notches 301, and the two third notches 301 are respectively arranged at two ends of the second limiting plate 300 and can be clamped on the side wall of the casing 100.

It is understood that the second notch 202 may be downwardly open, and when the second notch 202 is downwardly open, the fourth notch 302 is upwardly open, and the second notch 202 is engaged with the fourth notch 302. It should be noted that, when the second notch 202 is opened downward, the fourth notch 302 is opened upward, and the second limiting plate 300 is connected to the casing 100 by using only one third notch 301, the assembly difficulty is increased, and the assembly is easy and unstable.

It is understood that the steel column positioning device can be provided with a first limiting plate 200 and a second limiting plate 300 as shown in fig. 1 to form a right-angle positioning structure. One first limit plate 200 and two second limit plates 300 may be provided to constitute a positioning structure in which two right angles exist. Two first limit plates 200 and two second limit plates 300 may be provided to constitute a positioning structure in which four right angles exist. Of course, it can be understood that the number of the first limiting plate 200 or the second limiting plate 300 needs to be increased to form the positioning structure with a plurality of right angles, and correspondingly, the second notch 202 on the first limiting plate 200 and the fourth notch 302 on the second limiting plate 300 also need to be increased to achieve the effect of mutually perpendicular clamping between the first limiting plate 200 and the second limiting plate 300.

In some embodiments, as shown in fig. 1 and 5, the steel stud locating device further comprises a first capping plate 400, a second capping plate 500, and an adjustment mechanism. With the one side of being close to the axis of protecting section of thick bamboo 100 as inboard, first coping 400 sets up the inboard at first limiting plate 200, and first coping 400 and first limiting plate 200 parallel arrangement, first coping 400 pass through adjustment mechanism and first limiting plate 200 swing joint to make first coping 400 be close to or keep away from first limiting plate 200, first coping 400 can be relative first limiting plate 200 rectilinear movement promptly. The second furring plate 500 sets up the inboard at second limiting plate 300, and second furring plate 500 and the parallel arrangement of second limiting plate 300, and second furring plate 500 passes through adjustment mechanism and second limiting plate 300 swing joint to make second furring plate 500 be close to or keep away from second limiting plate 300, second furring plate 500 ability relative second limiting plate 300 linear motion promptly.

Set up first coping board 400, second coping board 500 and adjustment mechanism, steel stand positioner can adjust the location position according to actual conditions to it is more accurate to make steel stand 600 fix a position. In the construction process, after the protective casing 100, the first limiting plate 200 and the second limiting plate 300 are installed, the first coping 400, the second coping 500 and the adjusting mechanism are installed according to the structural positions, and then the positions of the first coping 400 and the second coping 500 are adjusted through the adjusting mechanism according to the position of the steel upright 600. After adjustment, the steel upright 600 is put down along the first coping 400 and the second coping 500, and after concrete pouring is completed, the steel upright positioning device is disassembled.

It will be appreciated that the adjustment mechanism may be a rail arrangement. The central axis of the casing 100 is used as the inner side, the first limiting plate 200 is provided with a guide rail in the inward and outward direction, the guide rail is connected with the first limiting plate 200 in a sliding manner, the guide rail can slide in the inward and outward direction relative to the first limiting plate 200, and the first coping plate 400 is arranged at one end of the guide rail close to the inner side, so that the first coping plate 400 can move inwards or outwards along with the guide rail. It can be understood that, use the rail construction as adjustment mechanism, need set up the locking piece, if set up the rail lock on the guide rail, in the work progress, confirm after the locating position, use locking piece fixed guide rail and first limiting plate 200. Similarly, the connection between the second stopper plate 300 and the second ceiling plate 500 may be an adjustment mechanism by the above-described rail structure.

In some embodiments, the adjustment mechanism includes a threaded rod 501, and the first and second capping plates 400, 500 are adjusted by the threaded rod 501. First limiting plate 200 and second limiting plate 300 all are equipped with more than one screw 203, and first roof board 400 and second roof board 500 all are equipped with connecting portion, and the one end and the connecting portion of screw rod 501 rotate to be connected, and the other end and the screw 203 accordant connection of screw rod 501. Taking the connection between the second top pressing plate 500 and the second limiting plate 300 as an example, as shown in fig. 5, one end of the screw 501 is rotatably connected to the second top pressing plate 500, and the other end is connected to the screw hole 203 on the second limiting plate 300. By rotating the screw 501 with the side close to the central axis of the casing 100 as the inner side, the screw 501 moves in the inner-outer direction, and the second top plate 500 is driven to move in the inner-outer direction relative to the second limiting plate 300. Similarly, the first top board 400 and the first limiting board 200 are also connected through a screw 501, one end of the screw 501 is rotatably connected with the first top board 400, and the other end is connected with the screw hole 203 on the first limiting board 200. By rotating the screw 501 with the side close to the central axis of the casing 100 as the inner side, the screw 501 moves in the inner-outer direction, and the first top plate 400 is driven to move in the inner-outer direction relative to the first limiting plate 200.

It can be understood that the first limiting plate 200 and the second limiting plate 300 can be both provided with only one screw hole 203 and both provided with one screw 501; as shown in fig. 1, the first limiting plate 200 and the second limiting plate 300 may be provided with two screw holes 203, and two screws 501 are provided for the two screw holes; or other number of screw holes 203 may be provided with a corresponding number of screws 501. It is understood that the number of the screw holes 203 of the first limiting plate 200 and the second limiting plate 300 may be different, for example, the first limiting plate 200 is provided with one screw hole 203 and is provided with one screw 501, and the second limiting plate 300 is provided with two screw holes 203 and is provided with two screws 501. The number of the screw holes 203 and the screws 501 does not affect the adjusting effect of the present embodiment, and the first and second top plates 400 and 500 can be moved inward and outward, thereby achieving the effect of adjusting the positioning position.

The first coping plate 400 and the second coping plate 500 are adjusted by using the screw 501, and the positioning position is adjusted, so that the effect of accurate positioning is achieved. And the screw 501 is in threaded connection with the screw hole 203, so that the structure is simple, the rotation operation of the screw 501 is convenient, and the disassembly and the assembly are convenient. When the first stopper plate 200 uses two or more screws 501, the first capping plate 400 may be parallel to the first stopper plate 200 by adjusting the two or more screws 501. The distance of each screw 501 moving along the inside and outside is judged according to the number of the threads on each screw 501 outside the first limiting plate 200, so that the distance of each screw 501 moving along the inside and outside direction is consistent, and the first ejector plate 400 is parallel to the first limiting plate 200. Similarly, when the second limiting plate 300 uses two or more screws 501, the second top pressing plate 500 can be parallel to the second limiting plate 300 by adjusting the two or more screws 501.

In some embodiments, the adjusting mechanism further includes a first nut 503 and a second nut 502, the connecting portions of the first and second capping plates 400 and 500 are each provided with a first through hole, and one end of the screw 501 is connected to the second nut 502 and connected to the first nut 503 through the first through hole. Taking the connection between the second top pressing plate 500 and the second limiting plate 300 as an example, as shown in fig. 5, by using the first nut 503 and the second nut 502 to cooperate with the screw 501, the first nut 503 and the second nut 502 are respectively disposed at two sides of the connection portion of the second top pressing plate 500, and play a limiting role on the second top pressing plate 500, so as to promote the relative fixation between the second top pressing plate 500 and the screw 501, and when the screw 501 rotates relative to the screw hole 203, the second top pressing plate 500 can move linearly along with the screw 501. Similarly, in the connection between the first top pressing plate 400 and the first limiting plate 200, the first nut 503 and the second nut 502 are respectively disposed on two sides of the first top pressing plate 400, and limit the first top pressing plate 400, so that the first top pressing plate 400 and the screw 501 are relatively fixed, and when the screw 501 rotates relative to the screw hole 203, the first top pressing plate 400 can linearly move along with the screw 501.

In some embodiments, the second nut 502 is welded to the screw 501. The second nut 502 is fixed at one end of the screw 501 and combined with the screw 501 into a whole, and the first top board 400 and the second top board 500 are limited by adjusting the first nut 503 positioned at the outer side of the connecting part, so that the operation is convenient.

It is understood that the second nut 502 may also be separated from the screw 501, when the first and second capping plates 400 and 500 are limited, one end of the screw 501 is screwed into the second nut 502, and the first nut 503 is adjusted, so as to achieve the purpose of limiting the first and second capping plates 400 and 500. However, the second nut 502 is separated from the screw 501, the first nut 503 and the second nut 502 need to be screwed in during construction, operation is complex, and in the construction process, the second nut 502 is easy to loosen when the steel upright 600 is placed, so that the positioning of the steel upright 600 is not facilitated.

It is understood that the first nut 503 may also be fixed to the screw 501 by welding. The second nut 502 is welded at one end of the screw 501, the screw 501 penetrates through the first through hole to be connected with the first nut 503, the first nut 503 is also welded on the screw 501, the first coping plate 400 (or the second coping plate 500) is rotatably connected with the screw 501 between the first nut 503 and the second nut 502, and the first nut 503 and the second nut 502 limit the first coping plate 400 (or the second coping plate 500). However, in this arrangement, the first top platen 400 (or the second top platen 500) cannot be removed from the screw 501, and the first top platen 400 (or the second top platen 500), the screw 501, the first nut 503, and the second nut 502 need to be removed as a whole when the removal is performed.

In some embodiments, the adjusting mechanism further comprises a support plate 504, and the support plate 504 is provided with a second through hole. As shown in fig. 4 and 5, taking the connection between the second top pressing plate 500 and the second limiting plate 300 as an example, the support plate 504 is disposed between the second top pressing plate 500 and the first nut 503, and the screw 501 passes through the second through hole. Similarly, in the connection between the first ceiling plate 400 and the first stopper plate 200, a support plate 504 is provided between the first ceiling plate 400 and the first nut 503. The support plate 504 is provided to support and transmit a large load, and supports the first and second ceiling plates 400 and 500.

It is understood that the support plate 504 is not limited to the square plate in fig. 4, and the support plate 504 may be a circular plate, a trapezoidal plate, or another plate with other shapes, which are not listed here, and the shape of the support plate 504 does not affect the effect.

In some embodiments, the support plate 504 is fixedly connected to the first capping plate 400 (or the second capping plate 500). The bearing plate 504 and the first ceiling board 400 (or the second ceiling board 500) are fixedly connected, so that the influence of the relative movement between the bearing plate 504 and the first ceiling board 400 (or the second ceiling board 500) on the limit of the first ceiling board 400 (or the second ceiling board 500) is avoided.

In some embodiments, the support plate 504 and the first top plate 400 (or the second top plate 500) are fixedly connected by welding, so that the first top plate 400 (or the second top plate 500) and the support plate 504 are integrated. Welding is a manufacturing process and technology for joining metal or other thermoplastic materials such as plastics in a heating, high-temperature or high-pressure mode, and the welding mode is used for fixing connection, so that the connection performance is good, and the connection structure can achieve high rigidity.

It is understood that the fixed connection of the support plate 504 to the first capping plate 400 (or the second capping plate 500) may also be a bolted connection that threadably engages the support plate 504 to the first capping plate 400 (or the second capping plate 500). However, the bolt connection mode is adopted, bolt accessories need to be additionally used, and the installation steps are more complicated. Furthermore, there is a tendency for relative movement between the support plate 504 and the first top press plate 400 (or the second top press plate 500) which can subject the bolts to high shear forces, thereby damaging the bolts.

In some embodiments, the first and second capping plates 400, 500 are provided with fifth notches in which the second nuts 502 are disposed. It is understood that the fifth notch is provided in the first and second capping plates 400 and 500 to place the second nut 502 in the fifth notch, so that the second nut 502 can be embedded in the first and second capping plates 400 and 500 without protruding outward, and the first and second capping plates 400 and 500 can more accurately position the steel pillar 600.

In some embodiments, for example, the connection between the second top pressing plate 500 and the second limiting plate 300 is taken as an example, as shown in fig. 5, a fifth notch penetrates through the second top pressing plate 500, and the fifth notch is integrated with the first through hole. Because bearing plate 504 and second roof pressing board 500 fixed connection, bearing plate 504 is equipped with the second through-hole, and the bolt passes the second through-hole, and second nut 502 is placed in the fifth notch, and bearing plate 504 is established between first nut 503 and second nut 502, and bearing plate 504 can bear second nut 502, and first nut 503 and second nut 502 carry on spacingly to bearing plate 504 to play limiting displacement to second roof pressing board 500. In the connection between first roof board 400 and the first limiting plate 200, the fifth notch runs through in first roof board 400, also adopts above-mentioned connection structure to play limiting displacement to first roof board 400, no longer describe herein.

In some embodiments, the first limiting plate 200 and the second limiting plate 300 are provided with a plurality of lifting lugs. Set up a plurality of lugs on first limiting plate 200 and second limiting plate 300, make things convenient for the staff to mention first limiting plate 200 and second limiting plate 300, carry.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. A steel column positioning device, comprising:

protecting the cylinder;

the first limiting plate is provided with a first notch and a second notch, and the first limiting plate is connected with the pile casing through the first notch;

the second limiting plate is provided with a third notch and a fourth notch, the second limiting plate is connected with the protective sleeve through the third notch, the second notch is connected with the fourth notch, and the first limiting plate is connected with the second limiting plate in a mutually perpendicular mode.

2. The steel column positioning device according to claim 1, further comprising a first coping plate, a second coping plate and an adjusting mechanism, wherein one side of the first coping plate close to the central axis of the casing is an inner side, the first coping plate is arranged on the inner side of the first limiting plate, the first coping plate and the first limiting plate are arranged in parallel, the first coping plate is movably connected with the first limiting plate through the adjusting mechanism, so that the first coping plate is close to or away from the first limiting plate, the second coping plate is arranged on the inner side of the second limiting plate, the second coping plate and the second limiting plate are arranged in parallel, and the second coping plate is movably connected with the second limiting plate through the adjusting mechanism, so that the second coping plate is close to or away from the second limiting plate.

3. The steel column positioning device according to claim 2, wherein the adjusting mechanism comprises a screw, the first limiting plate and the second limiting plate are both provided with screw holes, the first coping plate and the second coping plate are both provided with connecting portions, one end of the screw is rotatably connected with the connecting portions, and the other end of the screw is connected with the screw holes.

4. The steel column positioning device according to claim 3, wherein the adjusting mechanism further comprises a first nut and a second nut, the connecting portions are provided with first through holes, and one end of the screw rod is connected with the second nut and penetrates through the first through hole to be connected with the first nut.

5. The steel stud positioning device of claim 4, wherein the second nut is welded to the screw.

6. The steel column positioning device of claim 4, wherein the adjusting mechanism further comprises a bearing plate, the bearing plate is provided with a second through hole, the bearing plate is arranged between the connecting part and the first nut, and the screw rod penetrates through the second through hole.

7. The steel stud positioning device of claim 6, wherein the support plate is fixedly connected to the connection portion.

8. The steel stud locating device of claim 7, wherein the support plate is welded to the attachment portion.

9. The steel stud positioning device of claim 4, wherein the connecting portion is provided with a fifth notch, the second nut being disposed in the fifth notch.

10. The steel column positioning device according to claim 1, wherein the first limiting plate and the second limiting plate are provided with a plurality of lifting lugs.

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