Anchoring device for supporting leg of tower crane

Abstract

The utility model relates to the technical field of tower cranes, and discloses a tower crane supporting leg anchoring device which comprises a base, a plurality of positioning bolts fixedly installed on the outer side of the base, a plurality of fixing columns fixedly installed on the outer side of the base, anchoring columns fixedly installed on the outer side of the base, and a plurality of fixing hooks fixedly installed on the outer sides of the anchoring columns. A sliding groove is formed in the outer side of the base, a plurality of positioning holes are formed in the outer side of the base, a sliding block is slidably connected into the sliding groove, and a fixing base is fixedly installed at the top of the sliding block. According to the tower crane supporting leg anchoring device, through the design of a second screw and a first positioning block, the supporting column can be transversely supported, shaking is avoided, through the design of a third bolt and a second positioning block, the supporting column can be vertically supported, the overall stability is improved, and through a sliding groove and a sliding block, the supporting column can be conveniently fixed. The two sides of the supporting column can be fixed, the included angle between the positioning frame and the supporting column can be conveniently adjusted, and the overall stability can be conveniently improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tower cranes, in particular to a tower crane leg anchoring device. Background Art

[0002] In the field of construction, it is common to use the "J"-shaped horse stool as the pre-embedded horse stool for the tower crane legs. The "J"-shaped round steel horse stool is widely loved by workers due to its advantages such as easy material acquisition and simple understanding. The function of the tower crane is to bear the upper load transmitted by the boom rope and the balance arm rope, and transmit it directly to the tower structure through the turntable through the structural components such as the rotating tower, turntable, and bearing. The top of the self-elevating tower has truncated cone column type, forward or backward truncated cone column type, herringbone type and diagonal brace.

[0003] China Utility Model Patent Publication No.: CN 219906800 U, discloses: an adjustable tower crane leg anchoring device, which does not require re-ignition on site and can be finalized and produced in a factory or fixed processing workshop, avoiding the hidden danger of ignition on site, and is worthy of vigorous promotion. However, the adjustable tower crane leg anchoring device can only adjust the height of the leg, and the leg is prone to shaking due to longitudinal and lateral impact forces, affecting normal construction. Moreover, the adjustable tower crane leg anchoring device is not designed for the bottom, which is not convenient for strengthening the contact area between the bottom and the casting surface, and is prone to shaking. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a tower crane leg anchoring device, which can effectively solve the problems in the prior art that it is not convenient to achieve longitudinal and lateral stability and it is not convenient to strengthen the contact area between the bottom and the casting surface.

[0005] The technical scheme adopted by the utility model is: a tower crane leg anchoring device, comprising a base, a plurality of positioning bolts are fixedly installed on the outer side of the base, a plurality of fixing columns are fixedly installed on the outer side of the base, an anchor column is fixedly installed on the outer side of the base, a plurality of fixing hooks are fixedly installed on the outer side of the anchor column, a slide groove is provided on the outer side of the base, a plurality of positioning holes are provided on the outer side of the base, a sliding block is slidably connected inside the slide groove, a fixing seat is fixedly installed on the top of the sliding block, a bolt one is fixedly installed on the outer side of the fixing seat, a stopper is fixedly installed on the outer side of the fixing seat, a rotating column is rotatably installed on the outer side of the stopper, a positioning frame is fixedly installed on the outer side of the rotating column, a positioning block one is fixedly installed on the outer side of the positioning frame, a screw two is arranged on the outer side of the positioning block one, a positioning block two is fixedly installed on the top of the base, a bolt three is arranged on the outer side of the positioning block two, a support column is fixedly installed on the outer side of the positioning block two, and a support plate is fixedly installed on the top of the support column.

[0006] Preferably, the second screw passes through the first positioning block and extends to the interior of the support column, and the third bolt passes through the second positioning block and extends to the interior of the base.

[0007] Through the above technical solution, through the design of screw two and positioning block one, the support column can be provided with horizontal support to avoid shaking, and the design of bolt three and positioning block two can be provided with vertical support to the support column to improve the overall stability.

[0008] Preferably, the slide block is matched with the slide groove, the bolt one is matched with the positioning hole, and the plurality of positioning holes are distributed at equal intervals.

[0009] Through the above technical solution, the movement of the fixed seat can be realized through the design of the slider and the slide groove. Combined with the design of multiple positioning holes and bolts, the fixed seat can be fixed after movement, and support columns of different widths can be supported.

[0010] Preferably, the fixing column has a "J"-shaped structure, and a plurality of the fixing columns are symmetrically distributed about the center line of the base.

[0011] Through the above technical solution, through the design of multiple fixed columns, the contact area between the whole and the casting surface can be increased to avoid shaking, and the overall stability can be further enhanced to avoid shaking of the tower crane and affect normal work.

[0012] Preferably, the fixing hook is located in the middle of the fixing column, and a plurality of the fixing hooks are distributed in a ring shape with respect to the fixing column.

[0013] Through the above technical solution, through the design of the fixed hook, the contact area with the casting surface can be further enhanced, which can not only enhance the stability of the overall vertical support, but also prevent the overall tower crane from shaking easily.

[0014] Preferably, the positioning bolts are provided in four numbers, and the rotating column and the positioning frame are adapted to each other.

[0015] Through the above technical solution, through the design of four positioning bolts, a certain pulling force can be achieved on the base, thereby preventing the base from cracking and being damaged due to shaking when the tower crane swings slightly during operation.

[0016] Preferably, two groups of support columns are provided at the bottom of the support plate, the two groups of support columns are provided with two identical columns, and the two groups of support columns are symmetrically distributed about the center line of the support plate.

[0017] Through the above technical solution, four support columns are arranged at the bottom of a support plate, which can not only disperse the shaking of a single leg, but also maintain and increase the service life of the lower components, thereby avoiding damage to a single leg due to long-term use.

[0018] Compared with the prior art, the utility model provides a tower crane leg anchoring device, which has the following beneficial effects:

[0019] 1. The tower crane leg anchoring device can play a role of horizontal support for the support column through the design of screw two and positioning block one to avoid shaking, and the design of bolt three and positioning block two can play a role of vertical support for the support column to improve the overall stability, and the two sides of the support column can be fixed through the slide groove and the slider, and the angle between the positioning frame and the support column can be adjusted to improve the overall stability;

[0020] 2. The tower crane leg anchoring device can increase the overall contact area with the casting surface through the design of multiple fixed columns and fixed hooks to prevent it from shaking, further enhance the overall stability, and prevent the tower crane from shaking and affecting normal work. In addition, four support columns are arranged at the bottom of a support plate, which can not only disperse the shaking of a single leg, but also maintain and increase the service life of the lower components. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the installation structure of the base and positioning bolts of the utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the anchor column and the fixing hook of the utility model;

[0024] Figure 4 This is a schematic diagram of the split structure of the positioning block and the screw of the utility model;

[0025] Figure 5 This is a schematic diagram of the installation structure of the slider and the fixing seat of the utility model.

[0026] Among them: 1. Base; 2. Positioning bolt; 3. Fixed column; 4. Anchor column; 5. Fixed hook; 6. Slide groove; 7. Positioning hole; 8. Slider; 9. Fixed seat; 10. Bolt 1; 11. Block; 12. Rotating column; 13. Positioning frame; 14. Positioning block 1; 15. Screw 2; 16. Positioning block 2; 17. Bolt 3; 18. Support column; 19. Support plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1: Figure 1-5 As shown, the utility model provides a tower crane leg anchoring device, including a base 1, a plurality of positioning bolts 2 are fixedly installed on the outside of the base 1, a plurality of fixing columns 3 are fixedly installed on the outside of the base 1, an anchor column 4 is fixedly installed on the outside of the base 1, a plurality of fixing hooks 5 are fixedly installed on the outside of the anchor column 4, a slide groove 6 is provided on the outside of the base 1, a plurality of positioning holes 7 are provided on the outside of the base 1, a slider 8 is slidably connected inside the slide groove 6, a fixing seat 9 is fixedly installed on the top of the slider 8, a bolt 10 is fixedly installed on the outside of the fixing seat 9, a stopper 11 is fixedly installed on the outside of the fixing seat 9, a rotating column 12 is rotatably installed on the outside of the stopper 11, a positioning frame 13 is fixedly installed on the outside of the rotating column 12, a positioning block 14 is fixedly installed on the outside of the positioning frame 13, a screw 2 is arranged on the outside of the positioning block 14, a positioning block 2 16 is fixedly installed on the top of the base 1, a bolt 3 17 is arranged on the outside of the positioning block 2 16, a support column 18 is fixedly installed on the outside of the positioning block 2 16, and a support plate 19 is fixedly installed on the top of the support column 18.

[0029] Specifically, screw 2 15 passes through positioning block 14 and extends to the inside of support column 18, and bolt 3 17 passes through positioning block 2 16 and extends to the inside of base 1. The advantage is that when installing screw 2 15 and positioning block 14, the inside of positioning block 14 can be reached by rotating screw 2 15, and the support column 18 can be fixed from both sides, which can play a role of lateral support for support column 18 to avoid shaking, and rotating bolt 3 17 through positioning block 2 16 to reach the inside of base 1 can play a role of vertical support for support column 18, thereby improving the overall stability.

[0030] Specifically, the slider 8 is matched with the slide groove 6, the bolt 10 is matched with the positioning hole 7, and the multiple positioning holes 7 are equidistantly distributed. The advantage is that the slider 8 can be slid in the slide groove 6, and the distance between the upper fixed seat 9 and the support column 18 can be adjusted. After adjusting the distance of the fixed seat 9, the bolt 10 can reach the inside of the positioning hole 7, which can fix the fixed seat 9 after movement and support the support columns 18 of different widths.

[0031] Specifically, the fixed column 3 has a "J"-shaped structure, and multiple fixed columns 3 are symmetrically distributed about the center line of the base 1. The advantage is that the design of the J-shaped fixed column 3 can increase the contact area between the base 1 and the casting surface, avoid the support plate 19 above the base 1 from shaking, and further enhance the overall stability, avoid the tower crane above the support plate 19 from shaking, and affect normal work.

[0032] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.

[0033] Specifically, the fixing hook 5 is located in the middle of the fixing column 3, and multiple fixing hooks 5 are distributed in a ring shape about the fixing column 3. The advantage is that through the design of the fixing hook 5, the contact area with the casting surface can be further enhanced, which can not only enhance the stability of the overall vertical support, but also prevent the overall tower crane from shaking easily.

[0034] Specifically, four identical positioning bolts 2 are provided, and the rotating column 12 and the positioning frame 13 are matched. The advantage is that, through the design of the four positioning bolts 2, a certain pulling force can be achieved on the base 1, thereby preventing the base 1 from being easily cracked and damaged due to shaking when the tower crane swings slightly during operation.

[0035] Specifically, two groups of support columns 18 are arranged at the bottom of the support plate 19, and the two groups of support columns 18 are arranged with two identical ones. The two groups of support columns 18 are symmetrically distributed about the center line of the support plate 19. The advantage is that by arranging four support columns 18 at the bottom of a support plate 19, not only can the shaking of a single leg be dispersed, but also the service life of the lower components can be maintained and increased, thereby avoiding damage to a single leg due to long-term use.

[0036] Working principle: When in use, when installing screw 2 15 and positioning block 1 14, the screw 2 15 can be rotated to reach the inside of positioning block 1 14, and fixed from both sides of the support column 18, which can play a role of lateral support for the support column 18 to prevent shaking, and the bolt 3 17 is rotated to pass through the positioning block 2 16 to reach the inside of the base 1, which can play a role of vertical support for the support column 18 to improve the overall stability, and the slider 8 can be slid in the slide groove 6 to adjust the distance between the upper fixing seat 9 and the support column 18. After adjusting the distance of the fixing seat 9, the bolt 10 can be used to reach the inside of the positioning hole 7, which can fix the fixed seat 9 after moving, and can support support columns 18 of different widths. Through the design of the J-shaped fixing column 3 , can increase the contact area between the base 1 and the casting surface, avoid the support plate 19 above the base 1 from shaking, can further enhance the overall stability, avoid the tower crane above the support plate 19 from shaking, and affect normal work. Through the design of the fixed hook 5, the contact area with the casting surface can be further enhanced, which can not only enhance the stability of the overall vertical support and avoid the overall tower crane from shaking easily, but also through the design of the four positioning bolts 2, a certain pulling force can be achieved on the base 1, thereby preventing the tower crane from swinging slightly during work, causing the base 1 to be easily cracked and damaged due to shaking. Four support columns 18 are arranged at the bottom of a support plate 19, which can not only disperse the shaking of a single leg, but also maintain and increase the service life of the lower components, and avoid damage to a single leg after long-term use.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tower crane leg anchoring device, comprising a base (1), characterized in that: A plurality of positioning bolts (2) are fixedly installed on the outside of the base (1), a plurality of fixing columns (3) are fixedly installed on the outside of the base (1), an anchor column (4) is fixedly installed on the outside of the base (1), a plurality of fixing hooks (5) are fixedly installed on the outside of the anchor column (4), a slide groove (6) is provided on the outside of the base (1), a plurality of positioning holes (7) are provided on the outside of the base (1), a slider (8) is slidably connected inside the slide groove (6), a fixing seat (9) is fixedly installed on the top of the slider (8), a bolt (10) is fixedly installed on the outside of the fixing seat (9), and the fixing seat (9) A stopper (11) is fixedly mounted on the outside, a rotating column (12) is rotatably mounted on the outside of the stopper (11), a positioning frame (13) is fixedly mounted on the outside of the rotating column (12), a first positioning block (14) is fixedly mounted on the outside of the positioning frame (13), a second screw (15) is arranged on the outside of the first positioning block (14), a second positioning block (16) is fixedly mounted on the top of the base (1), a third bolt (17) is arranged on the outside of the second positioning block (16), a support column (18) is fixedly mounted on the outside of the second positioning block (16), and a support plate (19) is fixedly mounted on the top of the support column (18).

2. A tower crane leg anchoring device according to claim 1, characterized in that: The second screw (15) passes through the first positioning block (14) and extends to the inside of the support column (18), and the third bolt (17) passes through the second positioning block (16) and extends to the inside of the base (1).

3. A tower crane leg anchoring device according to claim 1, characterized in that: The slide block (8) is matched with the slide groove (6), the bolt one (10) is matched with the positioning hole (7), and the plurality of positioning holes (7) are distributed at equal intervals.

4. A tower crane leg anchoring device according to claim 1, characterized in that: The fixing column (3) has a "J"-shaped structure, and a plurality of the fixing columns (3) are symmetrically distributed about the center line of the base (1).

5. The tower crane leg anchoring device according to claim 1, characterized in that: The fixing hook (5) is located in the middle of the fixing column (3), and a plurality of the fixing hooks (5) are distributed in a ring shape with respect to the fixing column (3).

6. A tower crane leg anchoring device according to claim 1, characterized in that: The positioning bolts (2) are provided in four identical numbers, and the rotating column (12) and the positioning frame (13) are adapted to each other.

7. The tower crane leg anchoring device according to claim 1, characterized in that: Two groups of support columns (18) are arranged at the bottom of the support plate (19), the two groups of support columns (18) are provided with two identical ones, and the two groups of support columns (18) are symmetrically distributed about the center line of the support plate (19).

Images