Adjustable flange device of pre-embedded supporting leg of tower crane foundation

Abstract

The utility model relates to the technical field of tower cranes, and discloses an adjustable flange device of a tower crane foundation embedded landing leg, which comprises an embedded landing leg pipe, a connecting plate I and a connecting plate II are welded and connected to the outer side of the embedded landing leg pipe, and a connecting plate III is fixedly connected to the upper end of the embedded landing leg pipe. And the lower end of the pre-embedded supporting leg pipe is fixedly connected with an upper flange seat. According to the adjustable flange device of the embedded supporting leg of the tower crane foundation, the first groove, the second groove, the third groove and the fourth groove are all matched with the supporting side rods, the depths of the first groove, the second groove, the third groove and the fourth groove are sequentially decreased, the adjacent grooves are evenly distributed at 45 degrees, by means of the design, four different-height combinations of the embedded supporting leg are achieved, the structure is simple, the manufacturing cost is low, and the adjustable flange device is suitable for popularization and application. A construction team can quickly adjust the height of the pre-embedded supporting leg according to tower crane models, site geological conditions and hoisting height requirements of different projects, various working conditions are flexibly adapted, the cost of special supporting legs is reduced, and the universality and practicability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane technical field, concretely is a kind of adjustable flange device of tower crane foundation embedded outrigger. BACKGROUND

[0002] As the core equipment of vertical transportation, tower crane undertakes the heavy responsibility of hoisting building materials and instruments, and its safe and stable operation is directly related to the project progress and the safety of life and property of on-site personnel. As the key foundation supporting the entire equipment, the quality and performance of the embedded outrigger are crucial.

[0003] Traditional tower crane foundation embedded outrigger adopts fixed specification and single height design mode. Before construction, the engineering team needs to determine the crane model and lifting height accurately according to the project planning, and then customize the matching embedded outrigger from the manufacturer. This process not only consumes a lot of time, but also causes significant delay in construction period and additional cost if the original customized embedded outrigger cannot meet the new requirements due to changes in construction site conditions, such as sudden changes in geological conditions or changes in lifting height requirements caused by building design adjustments. Therefore, an adjustable flange device for tower crane foundation embedded outrigger is proposed.

[0004] Chinese utility model patent publication No. CN 219469533 U discloses a tower crane embedded outrigger lifting mechanism. The tower crane embedded outrigger lifting mechanism is provided with a jack main machine, a jack adjusting assembly and a leveling groove. When the tower crane embedded outrigger lifting mechanism is used, the jack main machine and the jack adjusting assembly cooperate to raise the height of the outrigger main rod. The multiple leveling grooves can be used to directly observe the plate connected between the two leveling grooves to quickly identify the leveling state, thereby improving the use safety of the entire tower crane embedded outrigger lifting mechanism and greatly improving the working efficiency of the entire tower crane embedded outrigger lifting mechanism. However, the tower crane embedded outrigger lifting mechanism has a complex structure and high manufacturing cost. The jack main machine is used as a height adjusting mechanism, and the performance of the jack main machine may deteriorate after long-term bearing, which may affect the safety. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide an adjustable flange device for tower crane foundation embedded outrigger, which can effectively solve the problems in the prior art.

[0006] The utility model discloses a technical scheme adopted is: a tower crane foundation pre -buried branch leg's adjustable flange device, including pre -buried branch leg pipe, pre -buried branch leg pipe outside welding is connected with connecting plate no.

[0007] Pre -buried branch leg pipe includes the tubulature, round groove, recess no. 1, recess no. 2, recess no. 3 and recess no. 4, and the tubulature lower end is set with round groove, and the tubulature inside is set with recess no. 1, recess no. 2, recess no. 3 and recess no. 4.

[0008] Preferably, the pre -buried branch leg pipe is welded with the reinforcing rib at the connecting place of the upper flange seat, and the lower flange seat is welded with the reinforcing rib at the connecting place of the height -increasing pipe.

[0009] Through the above technical scheme, the reinforcing rib is added between the pre -buried branch leg pipe and the upper flange seat and between the lower flange seat and the height -increasing pipe, which greatly enhances the structural strength of the key connecting part.

[0010] Preferably, the diameter of the round groove is the same as the diameter of the height -increasing pipe.

[0011] Through the above technical scheme, the height -increasing pipe can be smoothly inserted into the round groove during installation, ensuring the coaxiality of the pre -buried branch leg pipe and the height -increasing pipe connection, enhancing the stability of the tower crane operation and reducing the tower body shaking amplitude.

[0012] Preferably, the recess no. 1, recess no. 2, recess no. 3 and recess no. 4 are all matched with the support side rod.

[0013] Through the above technical scheme, multiple groups of recesses are set, and the height -increasing pipe can be selected to be inserted into one of the recess no. 1, recess no. 2, recess no. 3 and recess no. 4 according to the actual height requirement of the pre -buried branch leg, so that the height -increasing pipe and the pre -buried branch leg pipe can have multiple height combinations.

[0014] Preferably, the depths of the recess no. 1, recess no. 2, recess no. 3 and recess no. 4 decrease in turn.

[0015] Through the above technical scheme, when the pre -buried branch leg needs to have a higher total height, the height -increasing pipe is aligned with the round groove, and the support side rod is inserted after being butt jointed with the recess no. 4, until the support side rod is completely inserted into the top end of the recess no. 4, at which time the pre -buried branch leg reaches the highest height, and when the pre -buried branch leg needs to have a lower total height, the support side rod is inserted after being butt jointed with the recess no. 1, at which time the pre -buried branch leg reaches the lowest height, having four combined heights, simple structure and being more practical.

[0016] Preferably, the included angle of the adjacent two grooves of the groove one, the groove two, the groove three and the groove four is 45°.

[0017] Through the above technical scheme, the multiple groups of grooves can be matched with the heightened pipe and the supporting side rod, the structure is simple, and the height adjustment is simple.

[0018] Preferably, the upper flange seat and the lower flange seat are locked and fixed through the locking bolts.

[0019] Through the above technical scheme, the upper flange seat and the lower flange seat are locked and fixed through the four locking bolts, and the fixing effect is good.

[0020] Compared with the prior art, the adjustable flange device of the tower crane foundation pre-buried support leg has the following beneficial effects: the adjustable flange device of the tower crane foundation pre-buried support leg, the groove one, the groove two, the groove three and the groove four are matched with the supporting side rod, the depths of the groove one, the groove two, the groove three and the groove four are sequentially decreased, the adjacent grooves are uniformly distributed at an included angle of 45°, four different height combinations of the pre-buried support leg are realized through the design, the structure is simple, the manufacturing cost is low, the construction team can rapidly adjust the height of the pre-buried support leg according to the model of the tower crane, the geological conditions of the site and the hoisting height demand of different projects, flexibly adapts to various working conditions, reduces the cost of special support legs, and improves the universality and practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

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

[0022] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 ;

[0023] Figure 3 It is a split structure diagram of the utility model Figure 1 ;

[0024] Figure 4 It is a split structure diagram of the utility model Figure 2 ;

[0025] Figure 5 It is a three-dimensional sectional structure diagram of the pre-buried support leg pipe of the utility model;

[0026] Figure 6 It is an enlarged structure diagram of the pre-buried support leg pipe of the utility model.

[0027] The components are as follows: 1. Embedded support leg pipe; 101. Pipe body; 102. Circular groove; 103. Groove one; 104. Groove two; 105. Groove three; 106. Groove four; 2. Connecting plate one; 3. Connecting plate two; 4. Connecting plate three; 5. Upper flange seat; 6. Embedded base; 7. Lower flange seat; 8. Reinforcing pipe; 9. Support side rod; 10. Locking bolt. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1: As Figures 1-6 As shown, the present invention provides an adjustable flange device for a pre-embedded support leg of a tower crane foundation, including a pre-embedded support leg pipe 1, a connecting plate 2 and a connecting plate 3 welded to the outside of the pre-embedded support leg pipe 1, a connecting plate 4 fixedly connected to the upper end of the pre-embedded support leg pipe 1, an upper flange seat 5 fixedly connected to the lower end of the pre-embedded support leg pipe 1, a pre-embedded base 6 provided below the upper flange seat 5, a lower flange seat 7 fixedly connected to the upper end of the pre-embedded base 6, a reinforcing tube 8 provided at the upper end of the lower flange seat 7, a supporting side rod 9 fixedly connected to the outside of the reinforcing tube 8, and a locking bolt 10 provided between the upper flange seat 5 and the lower flange seat 7.

[0030] The pre-embedded support pipe 1 includes a pipe body 101, a circular groove 102, a groove one 103, a groove two 104, a groove three 105 and a groove four 106. The lower end of the pipe body 101 is provided with a circular groove 102, and the inside of the pipe body 101 is provided with groove one 103, groove two 104, groove three 105 and groove four 106.

[0031] Specifically, reinforcing ribs are welded at the connection between the embedded support pipe 1 and the upper flange seat 5, and reinforcing ribs are welded at the connection between the lower flange seat 7 and the reinforcement pipe 8. The advantage is that the addition of reinforcing ribs between the embedded support pipe 1 and the upper flange seat 5, and between the lower flange seat 7 and the reinforcement pipe 8, greatly enhances the structural strength of the key connection parts.

[0032] Specifically, the diameter of the circular groove 102 is the same as the diameter of the reinforcement tube 8. The advantage is that the reinforcement tube 8 can be smoothly inserted into the circular groove 102 during installation, ensuring the coaxiality of the connection between the pre-embedded support leg pipe 1 and the reinforcement tube 8, enhancing the operational stability of the tower crane, and reducing the sway of the tower body.

[0033] Example 2: Figures 2-6 As shown, this is an improvement on the previous embodiment.

[0034] Specifically, the groove one 103, the groove two 104, the groove three 105 and the groove four 106 are matched with the support side rod 9. The advantage is that multiple sets of grooves are arranged, and the height increasing pipe 8 can be selected to be inserted with one of the groove one 103, the groove two 104, the groove three 105 and the groove four 106 according to the actual height requirement of the embedded leg, so that the height increasing pipe 8 and the embedded leg pipe 1 can have multiple height combinations.

[0035] Specifically, the depths of the groove one 103, the groove two 104, the groove three 105 and the groove four 106 decrease in turn. The advantage is that when the embedded leg needs to have a higher total height, the height increasing pipe 8 is aligned with the circular groove 102, the support side rod 9 is inserted after being butt-jointed with the groove four 106, and the support side rod 9 is inserted until the top end of the support side rod 9 is completely inserted into the groove four 106, at which time the embedded leg reaches the highest height. When the embedded leg needs to have a lower total height, the support side rod 9 is inserted after being butt-jointed with the groove one 103, at which time the embedded leg reaches the lowest height. There are four combined heights, the structure is simple, and it is practical.

[0036] Specifically, the included angles between two adjacent grooves of the groove one 103, the groove two 104, the groove three 105 and the groove four 106 are all 45°. The advantage is that multiple sets of grooves can be matched with the height increasing pipe 8 and the support side rod 9, the structure is simple, and the height adjustment is simple.

[0037] Specifically, the upper flange seat 5 and the lower flange seat 7 are locked and fixed by the locking bolt 10. The advantage is that the upper flange seat 5 and the lower flange seat 7 are locked and fixed by four locking bolts 10, and the fixing effect is good.

[0038] Working principle: when in use, when the embedded leg needs to have a higher total height, the height increasing pipe 8 is aligned with the circular groove 102, the support side rod 9 is inserted after being butt-jointed with the groove four 106, and the support side rod 9 is inserted until the top end of the support side rod 9 is completely inserted into the groove four 106, at which time the embedded leg reaches the highest height. When the embedded leg needs to have a lower total height, the support side rod 9 is inserted after being butt-jointed with the groove one 103, at which time the embedded leg reaches the lowest height. There are four combined heights, the structure is simple, and it is practical. The depths of the groove one 103, the groove two 104, the groove three 105 and the groove four 106 decrease in turn, and the adjacent grooves are uniformly distributed at an angle of 45°. The design realizes four different height combinations of the embedded leg, the structure is simple, the manufacturing cost is low, the construction team can quickly adjust the height of the embedded leg according to the model of the tower crane, the geological conditions of the site and the lifting height requirement of different projects, flexibly adapts to various working conditions, reduces the cost of special legs, and improves the universality and practicality of the device.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tower crane foundation pre-embedded outrigger adjustable flange device comprising a pre-embedded outrigger pipe (1), characterized in that: The pre-embedded branch pipe (1) is welded with a connecting plate one (2) and a connecting plate two (3) outside, the pre-embedded branch pipe (1) is fixedly connected with a connecting plate three (4) at the upper end, the pre-embedded branch pipe (1) is fixedly connected with an upper flange seat (5) at the lower end, the pre-embedded branch pipe (1) is provided with a pre-embedded base (6) below the upper flange seat (5), the pre-embedded base (6) is fixedly connected with a lower flange seat (7) at the upper end, the lower flange seat (7) is provided with a heightening pipe (8) at the upper end, the heightening pipe (8) is fixedly connected with a support side rod (9) outside, the upper flange seat (5) and the lower flange seat (7) are provided with a locking bolt (10) between. The pre-embedded branch pipe (1) comprises a pipe body (101), a circular groove (102), a groove one (103), a groove two (104), a groove three (105) and a groove four (106), the pipe body (101) is provided with a circular groove (102) at the lower end, and the pipe body (101) is internally provided with a groove one (103), a groove two (104), a groove three (105) and a groove four (106).

2. A tower crane foundation embedded outrigger flange device according to claim 1, characterized in that: The pre-embedded branch pipe (1) is welded with a reinforcing rib at the connecting place with the upper flange seat (5), and the lower flange seat (7) is welded with a reinforcing rib at the connecting place with the heightening pipe (8).

3. A tower crane foundation embedded outrigger flange device as claimed in claim 1, wherein: The diameter of the circular groove (102) is the same as that of the heightening pipe (8).

4. A tower crane foundation embedded outrigger flange device as claimed in claim 1, wherein: The groove one (103), the groove two (104), the groove three (105) and the groove four (106) are all matched with the support side rod (9).

5. A tower crane foundation embedded outrigger flange device as claimed in claim 1, wherein: The depths of the groove one (103), the groove two (104), the groove three (105) and the groove four (106) are reduced in turn.

6. A tower crane foundation embedded outrigger flange device as claimed in claim 1, wherein: The included angles between two adjacent grooves of the groove one (103), the groove two (104), the groove three (105) and the groove four (106) are all 45°.

7. A tower crane foundation embedded outrigger flange device as claimed in claim 1, wherein: The upper flange seat (5) and the lower flange seat (7) are locked and fixed through the locking bolt (10).

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