Foundation leg supporting device of tower crane

Abstract

The utility model provides a tower crane foundation landing leg supporting device which comprises a supporting piece, two sets of screw rods, two sets of threaded sleeves and two bearing seats, the two sets of screw rods are oppositely arranged at the top of the supporting piece, and each set of screw rods comprises two screw rods arranged at intervals in the horizontal direction; the two sets of threaded sleeves and the two sets of screws are arranged in a one-to-one correspondence mode, each set of threaded sleeves comprises two threaded sleeves which are in threaded connection to the two screws in the same set, and inwards-concave rotating grooves are formed in the peripheries of the threaded sleeves; the two bearing seats and the two sets of threaded sleeves are arranged in a one-to-one correspondence mode, each bearing seat is arranged between the two threaded sleeves in the same set, and rotating sleeves arranged in the rotating grooves in a sleeved mode are arranged on the two sides of each bearing seat correspondingly. According to the tower crane foundation supporting leg supporting device, the heights of the two bearing seats can be adjusted to the required height by rotating the threaded sleeves, so that leveling is rapidly completed, the adjusting precision is high, the supporting legs can be stably supported, and potential safety hazards are eliminated.

Description

Technical Field

[0001] The utility model belongs to the technical field of tower cranes, and more specifically relates to a tower crane foundation leg supporting device. Background Art

[0002] Tower cranes are the most commonly used lifting equipment on construction sites. They are mainly used to lift raw materials such as steel bars, wood planks, concrete, and steel pipes for on-site construction. Therefore, the installation and use of tower cranes are very important in the construction industry. The foundation of the tower crane is the basis for ensuring the safe use of the tower crane. When constructing the tower crane foundation, it is usually necessary to embed the tower crane legs in the tower crane foundation. Whether the embedded legs are installed level directly determines the verticality of the tower crane body.

[0003] In the prior art, the tower crane foundation outriggers are leveled by machining the outrigger support device on site after the bottom reinforcement of the tower crane foundation is tied, and the filling materials are taken on site for leveling. This method is not only very cumbersome, but also has a large leveling error and great safety hazards. Utility Model Content

[0004] The embodiment of the utility model provides a tower crane foundation leg support device, which can adjust the height of two supporting seats to the required height by rotating the threaded sleeve to quickly complete leveling. It not only has high adjustment accuracy, but also can stably support the legs, eliminating safety hazards.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a tower crane foundation leg support device, including a support member, two groups of screw rods, two groups of threaded sleeves and two supporting seats, the two groups of screw rods are relatively arranged at the top of the support member, each group of screw rods includes two screw rods arranged at intervals in the horizontal direction and extending in the up and down direction; the two groups of threaded sleeves are arranged in a one-to-one correspondence with the two groups of screw rods, each group of threaded sleeves includes two threaded sleeves respectively threadedly connected to the two screw rods of the same group, and the outer periphery of the threaded sleeve is provided with an inwardly recessed rotation groove; the two supporting seats are arranged in a one-to-one correspondence with the two groups of threaded sleeves, each supporting seat is arranged between the two threaded sleeves of the same group, and rotating sleeves sleeved in the rotating grooves are respectively provided on both sides of the supporting seat, and the supporting seat is used to support the legs.

[0006] In a possible implementation, the rotating sleeve is located in the axial middle of the threaded sleeve.

[0007] In a possible implementation, a connecting block is connected between the supporting seat and the rotating sleeve.

[0008] In a possible implementation, the tops of the two supporting seats each have a support plate extending horizontally toward an adjacent side.

[0009] In some embodiments, adjacent edges of the two support plates are provided with a horizontally extending abutment plate, the two abutment plates are spaced apart in the up-down direction, and the two abutment plates can abut against each other to make the top surfaces of the two support plates flush.

[0010] In a possible implementation, a nut for applying force is fixedly connected to the outer periphery of the threaded sleeve.

[0011] In a possible implementation, the support member includes a support plate connected to the lower end of the screw rod and four support angle irons connected to the bottom of the support plate. The four support angle irons are arranged in a rectangular shape and extend outward and downward.

[0012] In some embodiments, a first reinforcing angle iron extending horizontally is connected between two adjacent supporting angle irons.

[0013] In some embodiments, an obliquely extending second reinforcing angle iron is connected between two adjacent supporting angle irons, and the second reinforcing angle iron is located above the first reinforcing angle iron.

[0014] In some embodiments, the lower end of the supporting angle iron is connected to a horizontally arranged bottom plate.

[0015] Compared with the prior art, the tower crane foundation leg support device provided in this embodiment adjusts the height of the corresponding supporting seat to the required height by synchronously rotating two threaded sleeves in the same group of threaded sleeves, and then synchronously rotates two threaded sleeves in another group of threaded sleeves to adjust the height of the corresponding supporting seat to the required height, so as to quickly complete the leveling. Moreover, the cooperation between the threaded sleeve and the screw rod has a high adjustment accuracy, and can also stably support the legs, eliminating safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic diagram of the structure of the tower crane foundation leg support device in use state provided by an embodiment of the utility model;

[0018] Figure 2 For the utility model embodiment Figure 1 Schematic diagram of the exploded structure of the middle screw and the supporting seat.

[0019] Among them, the reference numerals in the figure are:

[0020] 10. Support member; 11. Support plate; 12. Support angle iron; 20. Screw; 30. Threaded sleeve; 31. Rotation groove; 32. Nut; 40. Support seat; 41. Rotation sleeve; 42. Connecting block; 43. Support plate; 44. Abutment plate; 50. First reinforcing angle iron; 60. Second reinforcing angle iron; 70. Bottom plate. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or indirectly on the other element. It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0023] See also Figure 1 and Figure 2 The tower crane foundation leg support device provided by the utility model is now described. The tower crane foundation leg support device comprises a support member 10, two groups of screw rods 20, two groups of threaded sleeves 30 and two supporting seats 40. The two groups of screw rods 20 are relatively arranged at the top of the support member 10, and each group of screw rods 20 comprises two screw rods 20 arranged at intervals in the horizontal direction and extending in the up-down direction; the two groups of threaded sleeves 30 are arranged one-to-one with the two groups of screw rods 20, and each group of threaded sleeves 30 comprises two threaded sleeves 30 respectively threadedly connected to the two screw rods 20 of the same group, and the outer periphery of the threaded sleeves 30 is provided with an inwardly concave rotation groove 31; the two supporting seats 40 are arranged one-to-one with the two groups of threaded sleeves 30, and each supporting seat 40 is arranged between the two threaded sleeves 30 of the same group, and the two sides of the supporting seat 40 are respectively provided with a rotating sleeve 41 sleeved in the rotating groove 31, and the rotating sleeve 41 is rotatably connected with the threaded sleeve 30, and the supporting seat 40 is used to support the leg.

[0024] The embodiment of the present application provides a tower crane foundation leg support device. During its actual use, a support device is placed under each tower crane leg. Then, based on the measurement result of the spirit level, two threaded sleeves 30 in the same group of threaded sleeves 30 are synchronously rotated to adjust the height of the corresponding supporting seat 40 to the required height. Then, two threaded sleeves 30 in another group of threaded sleeves 30 are synchronously rotated to adjust the height of the corresponding supporting seat 40 to the required height, so as to quickly complete the leveling. Moreover, the cooperation between the threaded sleeve 30 and the screw rod 20 has a high adjustment accuracy, and can also stably support the legs, eliminating safety hazards.

[0025] During the process, the support member 10 needs to be fixed in position with the help of an external auxiliary positioning structure, and concrete pouring is performed after the four legs are leveled.

[0026] Compared with the prior art, the tower crane foundation leg support device provided in this embodiment adjusts the height of the corresponding supporting seat 40 to the required height by synchronously rotating two threaded sleeves 30 in the same group of threaded sleeves 30, and then synchronously rotates two threaded sleeves 30 in another group of threaded sleeves 30 to adjust the height of the corresponding supporting seat 40 to the required height, so as to quickly complete the leveling. In addition, the cooperation between the threaded sleeve 30 and the screw rod 20 has a high adjustment accuracy, and can also stably support the legs, eliminating safety hazards.

[0027] In a possible implementation, the rotating sleeve 41 is configured as follows: Figure 1 and Figure 2 The structure shown, see Figure 1 and Figure 2 The rotating sleeve 41 is located in the axial middle of the threaded sleeve 30 .

[0028] Specifically, the threaded sleeve 30 has an upper rotating part and a lower rotating part respectively located on the upper and lower sides of the rotating sleeve 41. The upper rotating part and the lower rotating part have the same length, so that the staff can rotate the upper rotating part or the lower rotating part according to actual conditions, which is convenient for use.

[0029] In a possible implementation, the support seat 40 is as follows: Figure 1 and Figure 2 The structure shown, see Figure 1 and Figure 2 A connecting block 42 is connected between the supporting seat 40 and the rotating sleeve 41 .

[0030] Specifically, the connecting block 42 connects the supporting seat 40 and the rotating sleeve 41 , so that there is an adjustment gap between the supporting seat 40 and the threaded sleeve 30 , thereby facilitating the staff to adjust the threaded sleeve 30 .

[0031] In a possible implementation, the support seat 40 is as follows: Figure 1 and Figure 2 The structure shown, see Figure 1 and Figure 2 The tops of the two supporting seats 40 are provided with supporting plates 43 extending horizontally toward the adjacent sides.

[0032] Specifically, the support plate 43 is used to support the tower crane legs, thereby increasing the contact area with the legs and improving the stability of the temporary support of the legs.

[0033] In some embodiments, see Figure 1 and Figure 2 The adjacent edges of the two support plates 43 are provided with a horizontally extending abutment plate 44 , and the two abutment plates 44 are spaced apart in the up-down direction, and the two abutment plates 44 can abut against each other so that the top surfaces of the two support plates 43 are flush.

[0034] Specifically, when lifting adjustment is required, the corresponding threaded sleeve 30 is first rotated to drive the supporting seat 40 connected to the uppermost abutment plate 44 to rise to a predetermined height, and then the other supporting seat 40 is adjusted accordingly to drive the abutment plate 44 located below to abut and cooperate with the abutment plate 44 above, thereby completing the lifting adjustment.

[0035] When a lowering adjustment is required, first rotate the corresponding threaded sleeve 30 to drive the supporting seat 40 connected to the lowest abutment plate 44 to descend to a predetermined height, and then adjust the other supporting seat 40 accordingly to drive the abutment plate 44 located above to abut and cooperate with the abutment plate 44 below, thereby completing the lowering adjustment. It is only necessary to measure the height of the supporting seat 40 adjusted first. When the two abutment plates 44 of the supporting seat 40 adjusted later abut, the supporting seat 40 adjusted later is at the same height as the supporting seat 40 adjusted earlier, thereby reducing the steps of measuring the supporting seat 40 adjusted later, improving the adjustment efficiency, and improving practicality.

[0036] In a possible implementation, the threaded sleeve 30 is Figure 1 and Figure 2 The structure shown, see Figure 1 and Figure 2 A nut 32 for applying force is fixedly connected to the outer periphery of the threaded sleeve 30 .

[0037] Specifically, the staff can not only rotate the adjusting threaded sleeve 30 by hand, but also use an external tool to apply force to the nut 32 to rotate the adjusting threaded sleeve 30, which is convenient for the staff to use.

[0038] In a possible implementation, the support member 10 is configured as follows: Figure 1 The structure shown, see Figure 1The support member 10 includes a support plate 11 connected to the lower end of the screw rod 20 and four support angle irons 12 connected to the bottom of the support plate 11. The four support angle irons 12 are arranged in a rectangular shape and extend outward and downward.

[0039] Specifically, the cross-sectional area of ​​the support member 10 gradually increases from top to bottom, and is used to stably support the legs. The support plate 11 is used to install the screw rod 20, and the arrangement of the support angle iron 12 increases the overall strength of the support member 10.

[0040] In some embodiments, see Figure 1 A horizontally extending first reinforcing angle iron 50 is connected between two adjacent supporting angle irons 12 .

[0041] Specifically, four first reinforcing angle irons 50 are provided to connect the four supporting angle irons 12 into a whole, thereby further enhancing the overall strength of the supporting member 10 .

[0042] In some embodiments, see Figure 1 An obliquely extending second reinforcing angle iron 60 is connected between two adjacent supporting angle irons 12 , and the second reinforcing angle iron 60 is located above the first reinforcing angle iron 50 .

[0043] Specifically, four second reinforcing angle irons 60 are provided, which further enhance the overall strength of the support member 10 on the basis of the first reinforcing angle irons 50 .

[0044] In some embodiments, see Figure 1 The lower end of the supporting angle iron 12 is connected to a horizontally arranged bottom plate 70.

[0045] Specifically, the provision of the bottom plate 70 increases the contact area between the support member 10 and the contact surface, thereby improving the support stability thereof.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tower crane foundation leg support device, characterized in that: include: Supports; Two groups of screw rods are arranged oppositely on the top of the support member, and each group of the screw rods includes two screw rods arranged at intervals in the horizontal direction and extending in the up-down direction; Two groups of threaded sleeves are arranged in one-to-one correspondence with the two groups of screw rods, each group of threaded sleeves comprises two threaded sleeves respectively connected to the two screw rods of the same group, and the outer circumference of the threaded sleeve is provided with an inwardly concave rotation groove; and Two supporting seats are arranged in one-to-one correspondence with the two groups of threaded sleeves. Each supporting seat is arranged between the two threaded sleeves in the same group. Rotating sleeves sleeved in the rotating grooves are respectively arranged on both sides of the supporting seat. The supporting seat is used to support the supporting legs.

2. The tower crane foundation leg support device according to claim 1, characterized in that: The rotating sleeve is located in the axial middle of the threaded sleeve.

3. The tower crane foundation leg support device according to claim 1, characterized in that: A connecting block is connected between the supporting seat and the rotating sleeve.

4. The tower crane foundation leg support device according to claim 1, characterized in that: The tops of the two supporting seats are each provided with a supporting plate extending horizontally toward the adjacent sides.

5. The tower crane foundation leg supporting device according to claim 4, characterized in that: Adjacent edges of the two support plates are each provided with a horizontally extending abutment plate, the two abutment plates are spaced apart in the up-down direction, and the two abutment plates can abut against each other so that the top surfaces of the two support plates are flush.

6. The tower crane foundation leg support device according to claim 1, characterized in that: A nut for applying force is fixedly connected to the outer periphery of the threaded sleeve.

7. The tower crane foundation leg support device according to claim 1, characterized in that: The support member includes a support plate connected to the lower end of the screw rod and four support angle irons connected to the bottom of the support plate. The four support angle irons are arranged in a rectangular shape and extend outward and downward.

8. The tower crane foundation leg support device according to claim 7, characterized in that: A first reinforcing angle iron extending horizontally is connected between two adjacent supporting angle irons.

9. The tower crane foundation leg support device according to claim 8, characterized in that: An obliquely extending second reinforcing angle iron is connected between two adjacent supporting angle irons, and the second reinforcing angle iron is located above the first reinforcing angle iron.

10. The tower crane foundation leg supporting device according to claim 7, characterized in that: The lower end of the supporting angle iron is connected with a horizontally arranged bottom plate.

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