Horizontal fixing device for embedded supporting leg of tower crane

Abstract

The utility model relates to a horizontal fixing device for an embedded supporting leg of a tower crane. The horizontal fixing device comprises a correction frame and two inner frame supporting rods, the correction frame is a rectangular frame, and four edges of the correction frame are respectively provided with a high-precision gradienter; the inner frame supporting rod comprises a rod body and an adjusting head arranged at the end of the rod body, an inserting hole penetrating through the two ends of the rod body is formed in the rod body in the length direction of the rod body, the adjusting head comprises a nut, a threaded rod and a threaded connector, a threaded hole is formed in the threaded connector, one end of the threaded rod is inserted into the inserting hole, and the other end of the threaded rod is connected with the threaded hole in the threaded connector. The nut is mounted at one end, close to the jack, of the screw. The high-precision gradienter of the fixing device can guarantee that the four fixing supporting legs are always located on the same horizontal plane in the X-coordinate direction and the Y-coordinate direction during installation, and the adjustable inner frame supporting rod in the fixing device can guarantee that the frame does not generate large deformation in the transportation and installation process and plays a slight adjustment role.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane technical field especially relates to a tower crane pre -buried outrigger horizontal fixing device. BACKGROUND

[0002] The preliminary installation of tower crane (abbreviation: tower machine) is tower machine foundation pouring (hereinafter referred to as foundation), wherein the fixed outrigger of tower machine is usually positioned and installed in the foundation before the foundation is bound with reinforcement. But the work precision of foundation production is lower, which leads to the position of fixed outrigger being easy to deviate; and the fixed outrigger used by tower machine is usually four sets, if the installation of four outriggers all appears large or small error, the perpendicularity of tower body such as foundation section, standard section installed on the upper part of outrigger will increase with the increase of height, or the foundation section cannot be installed with fixed outrigger, which causes the project to be unable to proceed normally.

[0003] Therefore, the leveling of fixed outrigger is very important when pouring foundation, the prior art such as the utility model patent with publication number CN221070786U discloses a tower crane foundation pre -buried outrigger positioning frame mounting structure, including the bottom plate, the top end of the bottom plate is fixedly connected with the support seat, the outer side of the support seat is fixedly connected with the support plate, the outer side top of the support seat is fixedly connected with pre -buried support one, the outer side top of the support seat is fixedly connected with pre -buried support two; the horizontal plate of "j" character shape structure facilitates hoisting installation of positioning frame, and is convenient to use. The utility model patent with publication number CN215479356U discloses a leveling device for tower crane foundation pre -buried outrigger, including supporting plate, leveling assembly, outrigger, support plate, foundation reinforcement, steel column and support assembly, the both sides of the supporting plate are provided with leveling assembly; the leveling device for tower crane foundation pre -buried outrigger is simple to operate and convenient to install; the outrigger is corrected through the leveling assembly, so that the angle change of outrigger during pouring concrete is avoided, and the installation work of crane is affected.

[0004] Although the prior art can level the foundation, the correction frame is prone to large deformation during transportation or installation and cannot be tightly installed with the outrigger; in addition, it is not easy to observe whether the four fixed outriggers are vertical during leveling. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings in the above background art, the technical problem to be solved is to provide a tower crane pre -buried outrigger horizontal fixing device, which can ensure that the correction frame does not produce large deformation during transportation and installation, and it is convenient to observe whether the four fixed outriggers are vertical.

[0006] The utility model discloses a technical scheme for a horizontal fixing device for a pre-buried outrigger of a tower crane, comprising a correction frame and two inner frame struts.

[0007] In addition, it is particularly preferred that the two ends of the same inner frame strut are arranged in the form of a height difference.

[0008] In addition, it is particularly preferred that the correction frame is a rectangular frame composed of four corner plates and four straight plates, wherein the four corner plates are arranged vertically and located at the four corners of the rectangular frame, a straight plate is arranged horizontally between two adjacent corner plates, an installation portion is arranged at the center of the upper end face of each straight plate, and the high-precision level is arranged on the installation portion.

[0009] In addition, it is particularly preferred that the installation portion comprises two oppositely arranged baffle plates and two oppositely arranged baffle columns, the baffle plates and the baffle columns are arranged around the high-precision level, and the high-precision level is clamped by the baffle plates and the baffle columns.

[0010] In addition, it is particularly preferred that the four straight plates are at the same height.

[0011] In addition, it is particularly preferred that the side walls of the four corner plates are provided with installation holes connected with the pre-buried outrigger.

[0012] In addition, it is particularly preferred that the corner plates are equilateral triangle steels.

[0013] The horizontal fixing device for the pre-buried outrigger provided by the utility model can ensure that the four fixed outriggers are always on the same horizontal plane during installation from the X coordinate and the Y coordinate directions, the adjustable inner frame struts in the fixing device can ensure that the frame does not deform greatly during transportation and installation, and can also play a slight adjusting role. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a structure schematic view of the inner frame strut of the utility model.

[0016] Figure 3The utility model discloses a horizontal positioning frame structure schematic diagram.

[0017] Figure 4 The utility model discloses a horizontal positioning frame structure schematic diagram. Figure 3 The utility model discloses a horizontal positioning frame structure schematic diagram.

[0018] Figure 5 The utility model discloses a horizontal positioning frame structure schematic diagram.

[0019] The utility model discloses a horizontal positioning frame structure schematic diagram. Specific implementation

[0020] The utility model further is explained below with the specific implementation and the attached drawing.

[0021] Figures 1-2 The utility model discloses a horizontal positioning frame structure schematic diagram.

[0022] Specific in this embodiment, reference Figure 3The specific structure of the correction frame 1 is as follows: four corner plates 11 are vertically arranged and located at four corners of the correction frame 1, the corner plate 11 is an equilateral triangular steel, the opening side of the corner plate 11 faces the inner side of the correction frame 1, and in addition, the inner side of the corner plate 11 is further provided with a supporting plate, the supporting plates on the opposite two triangular steels have a height difference, the supporting plate is mainly used for cooperating with the inner frame supporting rod 2, which can facilitate the installation of the inner frame supporting rod 2 and make the abutting part of the adjusting head 22 of the inner frame supporting rod 2 more stable, the side wall of each corner plate 11 is provided with a mounting hole 5 connected with the embedded leg 6, a straight plate 12 is horizontally arranged between two adjacent corner plates 11, the four straight plates 12 are located on the same horizontal plane, and the four straight plates 12 correspond to the four edges of the correction frame 1 respectively, and a mounting part 4 is arranged at the center position of the upper end face of each straight plate 12, and a high-precision level 3 is arranged on each mounting part 4, and the specific reference is Figure 4 The mounting part 4 comprises two oppositely arranged baffle plates 41 and two oppositely arranged baffle columns 42, the baffle plates 41 and the baffle columns 42 are arranged around the high-precision level 3 respectively, and the high-precision level 3 is clamped together. Four high-precision levels 3 are respectively provided with two for measuring the X coordinate axis direction level and two for measuring the Y coordinate axis direction level, when leveling the embedded leg 6, the X and Y direction high-precision levels 3 can be directly observed to judge whether the four embedded legs 6 have been leveled.

[0023] The installation steps of the device are as follows:

[0024] First step: sequentially connect the rod body 21, the nut 22a, the screw rod 22b and the threaded joint 22c, ensure that the threaded hole 22c1 on the screw rod 22b is centered, and obtain the inner frame supporting rod 2;

[0025] Second step: install the X-axis and Y-axis direction high-precision level 3 on the correction frame 1;

[0026] Third step: place the threaded joint 22c on the adjusting head 22 into the supporting plate on the inner side of the two opposite corner plates 11 (triangular steel) of the correction frame 1, and place another inner frame supporting rod 2 in the same way, and tighten the adjusting nut 22a on the inner frame supporting rod 2 to obtain the horizontal fixing device;

[0027] Fourth step: use the embedded leg 6 to connect the fixing device with the embedded leg 6 through the split pin (refer to Figure 5 );

[0028] Fifth step: observe the X-axis and Y-axis direction high-precision level 3 on the correction frame 1, according to the deviation position of the water bubble on the high-precision level 3, the embedded leg 6 can be moved or the inner frame supporting rod 2 can be adjusted through the adjusting nut 22a to realize fine adjustment;

[0029] Sixth step: the bubble in the level of X coordinate axis and Y coordinate axis direction is in the middle, that is, the horizontal straightening function of the device is completed, and the foundation pouring is carried out.

[0030] The device can be matched with the tower crane supporting leg in the market, and after installation, whether the positions of the four embedded supporting legs 6 of the tower crane are flat can be quickly observed according to the high-precision level 3. According to the information, the embedded supporting legs 6 can be adjusted, and the adjusting head 22 in the inner frame supporting rod 2 can also be used for fine adjustment. Meanwhile, the inner frame supporting rod 2 can also enhance the rigidity of the horizontal positioning frame. After the device is installed, the concrete pouring engineering of the foundation and the fixed supporting leg is carried out. When the strength of the foundation concrete meets the requirements, the device can be removed.

[0031] The above only describes the embodiments of the present application and is not used to limit the present application. Any equivalent replacement within the principles of the present application shall be included in the protection scope of the present application. The contents not described in detail in the present application belong to the prior art known by the technical personnel in the field.

Claims

1. A pre-buried outrigger horizontal fixing device for a tower crane, characterized in that, The correction frame (1) and two inner frame supporting rods (2) are included. The correction frame (1) is a rectangular frame, and one high-precision level (3) is arranged on each of the four edges of the rectangular frame; the inner frame supporting rod (2) comprises a rod body (21) and an adjusting head (22) arranged at the end of the rod body (21), a bushing (21a) is arranged on the rod body (21) and penetrates through both ends of the rod body (21) along the length direction of the rod body (21), the adjusting head (22) comprises a nut (22a), a screw rod (22b) and a threaded joint (22c), a threaded hole (22c1) is arranged on the threaded joint (22c), one end of the screw rod (22b) is inserted into the bushing (21a), and the other end of the screw rod (22b) is connected with the threaded hole (22c1) on the threaded joint (22c), and the nut (22a) is installed on the screw rod (22b) and close to one end of the bushing (21a). The two inner frame supporting rods (2) are respectively abutted on two opposite inner sides of the correction frame (1) in a cross form.

2. A pre-buried outrigger horizontal fixing device for a tower crane according to claim 1, characterized in that, The two ends of the same inner frame supporting rod (2) are arranged in the form of height difference.

3. A pre-buried outrigger horizontal fixation device for a tower crane according to claim 1 or 2, characterized in that The correction frame (1) is a rectangular frame composed of four corner plates (11) and four straight plates (12), wherein the four corner plates (11) are vertically arranged and respectively located at the four corners of the rectangular frame, a straight plate (12) is horizontally arranged between two adjacent corner plates (11), and a mounting portion (4) is arranged at the center position of the upper end face of each straight plate (12), and the high-precision level (3) is arranged on the mounting portion (4).

4. A pre-buried outrigger horizontal fixing device for a tower crane according to claim 3, characterized in that, The mounting portion (4) comprises two oppositely arranged baffle plates (41) and two oppositely arranged baffle columns (42), and the baffle plates (41) and the baffle columns (42) are arranged around the high-precision level (3) to clamp the high-precision level (3).

5. The pre-buried outrigger horizontal fixing device of the tower crane according to claim 3, characterized in that, The four straight plates (12) are at the same height.

6. The pre-buried outrigger horizontal fixing device of the tower crane according to claim 3, characterized in that, The side walls of the four corner plates (11) are respectively provided with mounting holes (5) connected with the embedded legs (6).

7. The pre-buried outrigger horizontal fixing device of the tower crane according to claim 3, characterized in that, The corner plate (11) is an equilateral triangle steel.

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