Tower crane installation leveling device

Abstract

The utility model discloses a tower crane installation leveling device which comprises an embedded base, a leveling assembly and a fixed base, the leveling assembly comprises a first supporting plate, a second supporting plate, a first screw base and a second screw base, the first screw base is arranged on the upper portion of the first supporting plate in the circumferential direction, the second screw base is arranged in the middle of the first supporting plate, and the second supporting plate is arranged above the first supporting plate. A first screw hole is formed in the circumferential direction of the second supporting plate, a second screw hole is formed in the middle of the second supporting plate, the first screw base penetrates through the first screw hole, the second screw base penetrates through the second screw hole, a first nut is installed on the surface, located at the bottom of the second supporting plate, of the first screw base in a threaded mode, and a third nut is installed on the surface, located above the second supporting plate, of the first screw base in a threaded mode. The second supporting plate is fixedly installed in the circumferential direction of the first nut and the third nut, and the leveling position is determined. A third screw base is arranged on the upper portion of the third supporting plate in the circumferential direction, the third supporting plate is installed at the circumferential bottom of the tower standard room through the third screw base, and installation of the standard knot is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane installation and leveling, in particular to a tower crane installation and leveling device. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites. It is also known as "tower crane". It is connected section by section and is used to lift raw materials for construction such as steel bars, wooden slats, concrete, steel pipes, etc. Tower crane is an indispensable equipment on construction sites. The installation of tower crane is relatively complicated and rigorous. During the installation process, the bottom of the tower crane needs to be adjusted to a horizontal position to ensure its safe use.

[0003] Publication (Announcement) No.: CN203877793U, discloses a tower crane base leveling structure, including a plurality of leveling supports supported at the bottom of the tower crane base, a retractable structure is provided at the top of the leveling support, and the retractable end of the retractable structure abuts against the bottom of the tower crane base when in use. The retractable structure includes a plate body provided at the top of the leveling support and a bolt passing through the plate body, and the threaded section of the bolt abuts against the bottom of the tower crane base when in use.

[0004] In the prior art, the tower crane leveling installation structure is simple, which results in poor tower crane leveling accuracy and easily leads to great limitations on the tonnage of the tower crane. Therefore, it is necessary to provide a tower crane installation leveling device. Utility Model Content

[0005] In view of the problems existing in the above-mentioned prior art, the utility model provides a tower crane installation leveling device to solve the above-mentioned technical problems.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a tower crane installation leveling device, including an embedded base, a leveling component, and a fixed base. The leveling component includes a support plate 1, a support plate 2, a screw base 1, and a screw base 2. The upper part of the support plate 1 is circumferentially provided with a screw base 1, and the middle part is provided with a screw base 2. A support plate 2 is arranged above the support plate 1, a screw hole 1 is circumferentially provided with the support plate 2, and a screw hole 2 is arranged in the middle part. The screw base 1 penetrates the screw hole 1, and the screw base 2 penetrates the screw hole 2. The surface of the screw base 1 located at the bottom of the support plate 2 is threadedly installed with a nut 1, the surface of the screw base 1 located at the upper part of the support plate 2 is threadedly installed with a nut 3, the surface of the screw base 2 located at the bottom of the support plate 2 is threadedly installed with a nut 2, the top of the nut 2 15 is provided with an adjustment plate, the surface of the screw base 2 located at the upper part of the support plate 2 is threadedly installed with a nut 4, the upper part of the support plate 2 is circumferentially provided with a fixing rod 1, the top of the fixing rod 1 is provided with a support plate 3, and the upper part of the support plate 3 is circumferentially provided with a screw base 3.

[0007] Preferably, the embedded base includes a bottom plate 1 and embedded rods, the embedded rods are circumferentially arranged at the bottom of the support plate 1, and the bottom plate 1 is arranged at the bottom of the embedded rods.

[0008] Preferably, the bottom of the screw base 2 is circumferentially connected to the support plate 1 via a rib plate.

[0009] Preferably, the adjustment plate is coaxially arranged with the second support plate, and the area of ​​the adjustment plate is at least 1 / 2 of the area of ​​the second support plate.

[0010] In summary, the utility model provides a tower crane installation and leveling device, which realizes screwing nut four on the upper part of support plate two. When nut four contacts the surface of support plate two, nut two is positioned by a tool, and then nut four is continued to be screwed to prevent nut two from loosening when nut four is installed, thereby affecting the positioning height of the adjustment plate; after nut three contacts the surface of support plate two, nut one is positioned, and nut three is continued to be screwed to realize fixed installation of support plate two in a circumferential manner through nut one and nut three, thereby realizing leveling position determination; a screw base three is provided in the circumferential direction of the upper part of support plate three, and is installed at the circumferential bottom of the standard room of the tower frame through the screw base three to realize the installation of the standard section. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the leveling component of the utility model Figure 1 ;

[0013] Figure 3 This is a schematic diagram of the structure of the leveling component of the utility model Figure 2 ;

[0014] In the figure: embedded base 1, leveling assembly 2, support plate three 3, support plate one 4, support plate two 5, screw base one 6, screw base two 7, screw hole one 11, screw hole two 12, nut one 13, nut three 14, nut two 15, nut four 16, fixing rod one 17, screw base three 21, bottom plate one 22, embedded rod 23, and leveling plate 24. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings.

[0016] like Figures 1 to 3 As shown:

[0017] The utility model discloses a tower crane installation and leveling device, comprising a pre-buried base 1, a leveling component 2, and a support plate 3. The leveling component 2 comprises a support plate 1 4, a support plate 2 5, a screw base 1 6, and a screw base 2 7. The upper part of the support plate 1 4 is provided with a screw base 1 6 in the circumferential direction, and the middle part is provided with a screw base 2 7. The upper part of the support plate 1 4 is provided with a support plate 2 5. The support plate 2 5 is provided with a screw hole 11 in the circumferential direction, and a screw hole 2 12 in the middle part. The screw base 1 6 penetrates the screw hole 11, and the screw base 2 7 penetrates the screw hole 2 12. The screw base 1 6 is provided with a screw hole 11, and the screw base 2 7 penetrates the screw hole 2 12. A nut 13 is threadedly installed on the surface of the bottom of the support plate 25, a nut 3 14 is threadedly installed on the surface of the screw base 16 located on the upper part of the support plate 25, a nut 2 15 is threadedly installed on the surface of the screw base 27 located on the bottom of the support plate 25, an adjustment plate 24 is provided on the top of the nut 15, a nut 4 16 is threadedly installed on the surface of the screw base 27 located on the upper part of the support plate 25, a fixing rod 17 is circumferentially arranged on the upper part of the support plate 25, a support plate 3 3 is provided on the top of the fixing rod 17, and a screw base 3 21 is provided on the upper circumference of the support plate 33.

[0018] Specifically, when deploying the tower crane for leveling installation, at least four leveling devices of the present patent are installed in the embedded foundation pit. The embedded base 1 at the bottom of the leveling device is fixed by a steel bar so that it is positioned and installed in the foundation pit. After the embedded base 1 is positioned and installed, it is determined that the height tops of each embedded base 1 are on a horizontal plane, and a support plate 4 is installed on the upper part of the embedded base 1. The upper part of the support plate 4 is evenly distributed with a screw base 6 in the circumferential direction, and the middle part is set as a screw base 2 7. The support plate 2 5 is installed above the support plate 4, and the screw base 1 6 is pre-installed with a nut 13. The nut 2 15 is first installed on the screw base 2 7. The top of the nut 2 15 is provided with an adjustment plate 24, and a through hole is provided in the middle of the adjustment plate 24. The inner diameter of the through hole is larger than the outer diameter of the nut 2 15, so that the nut 2 15 can be adjusted up and down during the thread adjustment process.

[0019] During installation, the screw base 27 passes through the screw hole 212, and is screwed to the standard height required by the engineering construction through the thread, and the support plate 25 is supported and lifted up to the standard height through the adjustment plate 24, and then the nut 4 16 on the upper part of the support plate 25 is screwed. When the nut 4 16 contacts the surface of the support plate 25, the nut 215 is positioned using a tool, and then the nut 4 16 is continued to be screwed to prevent the nut 21 from loosening when the nut 4 16 is installed, thereby affecting the positioning height of the adjustment plate 24;

[0020] Similarly, the nut 13 at the bottom of the support plate 25 is screwed upward and contacts the bottom of the support plate 25. When installing the nut 13, first screw the two nuts 13 on the diagonal line of the support plate 25. After the nut 13 at the bottom is screwed, screw the nut 3 14 on the upper part of the support plate 25. After the nut 3 14 contacts the surface of the support plate 25, position the nut 13 and continue to screw the nut 3 14 to achieve fixed installation of the support plate 25 in a circumferential manner through the nuts 13 and 14, and determine the leveling position.

[0021] A fixing rod 17 is arranged circumferentially on the upper part of the support plate 2 5, a support plate 3 3 is arranged on the top of the fixing rod 17, a screw base 3 21 is arranged circumferentially on the upper part of the support plate 3 3, and the screw base 3 21 is installed at the circumferential bottom of the tower standard room to realize the installation of the standard section.

[0022] In at least one embodiment, the embedded base 1 includes a bottom plate 22 and embedded rods 23. The embedded rods 23 are circumferentially arranged at the bottom of the support plate 4, and the bottom of the embedded rods 23 is provided with a bottom plate 22.

[0023] Specifically: the bottom plate 22 is installed on the foundation pit by high-strength bolts, and the embedded rods 23 on the circumferentially installed leveling devices are connected by steel bars to reinforce the structure between the installed leveling devices and stabilize the horizontal height between the leveling devices. After the leveling devices are installed, concrete is poured into the foundation pit to the bottom of the support plate 3. After the pouring is completed, wait for solidification and install the standard section of the tower crane.

[0024] In at least one embodiment, in order to reinforce the supporting strength of the screw base 2 7 disposed in the middle, the bottom of the screw base 2 7 is connected to the support plate 1 4 via a rib plate in the circumferential direction.

[0025] In at least one embodiment, in order to achieve rapid and stable horizontal adjustment of the support plate 2 5 by the adjustment plate 24 , the adjustment plate 24 is coaxially arranged with the support plate 2 5 , and the area of ​​the adjustment plate 24 is at least 1 / 2 of the area of ​​the support plate 2 5 .

[0026] The embodiments of the present invention are only used to illustrate the present invention and do not constitute a limitation on the scope of the claims. Other substantially equivalent alternatives that can be thought of by those skilled in the art are all within the protection scope of the present invention.

Claims

1. A tower crane installation leveling device, characterized in that: The invention comprises an embedded base (1), a leveling assembly (2), and a support plate three (3). The leveling assembly (2) comprises a support plate one (4), a support plate two (5), a screw base one (6), and a screw base two (7). The support plate one (4) is provided with a screw base one (6) in the circumferential direction on the upper part, and a screw base two (7) is provided in the middle part. The support plate two (5) is provided above the support plate one (4). The support plate two (5) is provided with a screw hole one (11) in the circumferential direction, and a screw hole two (12) is provided in the middle part. The screw base one (6) passes through the screw hole one (11), and the screw base two (7) passes through the screw hole two (12). The screw base one (6) is located on the support plate two (5). ) is threadedly mounted on the surface of the bottom of the support plate 2 (5), a nut 3 (14) is threadedly mounted on the surface of the screw base 1 (6) located on the upper part of the support plate 2 (5), a nut 2 (15) is threadedly mounted on the surface of the screw base 2 (7) located on the bottom of the support plate 2 (5), an adjustment plate (24) is arranged on the top of the nut 2 (15), a nut 4 (16) is threadedly mounted on the surface of the screw base 2 (7) located on the upper part of the support plate 2 (5), a fixing rod 1 (17) is arranged on the upper circumference of the support plate 2 (5), a support plate 3 (3) is arranged on the top of the fixing rod 1 (17), and a screw base 3 (21) is arranged on the upper circumference of the support plate 3 (3).

2. A tower crane installation and leveling device according to claim 1, characterized in that: The embedded base (1) comprises a bottom plate 1 (22) and an embedded rod (23); the embedded rod (23) is circumferentially arranged at the bottom of the support plate 1 (4); and the bottom plate 1 (22) is arranged at the bottom of the embedded rod (23).

3. A tower crane installation and leveling device according to claim 1, characterized in that: The bottom of the screw base 2 (7) is connected to the support plate 1 (4) via a rib plate in the circumferential direction.

4. A tower crane installation and leveling device according to claim 1, characterized in that: The adjustment plate (24) is coaxially arranged with the second support plate (5), and the area of ​​the adjustment plate (24) is at least 1 / 2 of the area of ​​the second support plate (5).

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