CN219239091U - Tower crane underframe supporting weight structure - Google Patents

Abstract

The utility model discloses a tower crane underframe supporting weight structure in the technical field of cranes, which comprises a bottom plate, a supporting plate and a connecting rod, wherein the middle part of the bottom plate is provided with a base, the inside of the base is provided with the supporting plate, the surface of the bottom plate is provided with four pouring ports, the upper side and the lower side of the surface of the supporting plate are fixedly provided with bottom posts C through welding, the left side and the right side of the surface of the supporting plate are fixedly provided with bottom posts A through welding, the bottom posts A are sleeved with sleeves C, the bottom posts B are sleeved with bottom posts B, the bottom posts C are sleeved with sleeves E, the left side of each sleeve C is fixedly provided with a fixing post A through welding, the inside of each supporting rod C is sleeved with a supporting rod B through welding, the left side of each supporting rod B is fixedly provided with a inserted rod through welding, and the lower part of each inserted rod is fixedly provided with a supporting seat through welding; the underframe supporting weight structure of the tower crane has the advantages of simplicity in operation and strong bearing capacity.

Description

Tower crane underframe supporting ballast structure

technical field

The utility model relates to the technical field of cranes, in particular to a structure for supporting a ballast on the underframe of a tower crane.

Background technique

Tower cranes are referred to as tower cranes for short, also known as tower cranes. The rotating cranes with the boom mounted on the upper part of the tower body have a large working space. They are mainly used for vertical and horizontal transportation of materials in house construction and installation of building components. The working mechanism and the electrical system are composed of three parts. The metal structure includes the tower body, the boom and the base, etc. The working mechanism includes four parts: lifting, luffing, slewing and walking. , Signal and lighting installations, etc.

The Chinese patent announcement number is the high-safety support base for tower cranes provided in CN216638740U, which is basically described as: including a support base and a bottom column, and the bottom column is welded at the lower end of the support base, and also includes: a support assembly, the The support assembly is installed at the lower end of the bottom column; the support assembly includes an extension support assembly and a connection assembly, the extension support assembly is installed on the outer wall of the bottom column, and the connection assembly is installed at the upper end of the support seat.

The above-mentioned device is provided with four fixed rods to fix the four directions of the tower crane. When the weight of the tower crane is too large, the weight of the four fixed rods is limited, and it cannot carry the tower crane to lift heavy objects, and the above It is inconvenient for the device to be recovered and installed, which affects the installation cycle of the overall tower crane. Therefore, we propose a tower crane underframe to support the ballast structure.

Utility model content

The purpose of this utility model is to provide a supporting ballast structure for the underframe of a tower crane, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: the tower crane chassis supports the weight structure, including a bottom plate, a support plate and a connecting rod, a base is provided in the middle of the bottom plate, and a support plate is provided inside the base. The surface of the bottom plate is provided with four pouring ports, the upper and lower sides of the surface of the support plate are fixed by welding the bottom column C, the left and right sides of the surface of the support plate are fixed by welding the bottom column B, and the four corners of the surface of the support plate are fixed by welding There is a bottom column A, the bottom column A is covered with a sleeve C, the bottom column B is covered with a bottom column B, the bottom column C is covered with a sleeve E, and the left side of the sleeve C is welded Fix the support rod C, the upper and lower sides of the support rod C are fixed with the fixed column A by welding, the support rod C is covered with the support rod B, and the left side of the support rod B is fixed by welding the sleeve B, so The middle part of the sleeve B is covered with an insertion rod, the support base is fixed by welding under the insertion rod, the support rod A is fixed by welding on the left side of the sleeve D, the middle part of the support rod A is covered with a sleeve A, the sleeve The upper and lower sides of the barrel A are fixed with a fixed column A by welding, the sleeve A is provided with a through hole B on the left side, the support rod A is provided with a through hole A on the left side, and the left side of the support rod A passes through Weld and fix the sleeve B, the left side of the sleeve E is welded to fix the support rod E, the left side of the support rod E is sleeved inside the support rod D, and the upper and lower sides of the right side of the support rod D are fixed with fixed columns by welding A, the left side of the support rod D is welded to fix the sleeve B, and both sides of the connecting rod are fixed with the sleeve F by welding. Preferably, the sleeve F is sleeved on the fixed column A, the sleeve F on the connecting rod is sleeved on the fixed column A so that the two fixed columns A are connected through the connecting rod, and the sleeve A passes through The connecting rod is connected to the supporting rod C, the supporting rod D is connected to the supporting rod C through the connecting rod, and the supporting rod C is connected to the sleeve F and the supporting rod D through the connecting rod respectively.

Preferably, both the support rod C and the support rod D are hollow structures, the support rod B is sleeved inside the support rod C, and the support rod E is sleeved inside the support rod D.

Preferably, the connection between the sleeve F and the fixed column A is a flexible connection, and the sleeve F can rotate around the fixed column A.

Preferably, the bottom column A and the sleeve C are in an active connection, the bottom column B and the sleeve D are in a dead connection, and the bottom column C and the sleeve E are in a dead connection, and the The sleeve C is rotatable around the base A. Preferably, the insertion rod is fixed inside the sleeve B, and the insertion rod can be fixed and loosened by a limit screw on the surface of the sleeve B. When the limit screw is fixed, the insertion rod cannot go up and down inside the sleeve B Move, the sleeve A can move left and right on the support rod A.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model has a reasonable structural design. By setting eight support rods around the base plate, the base plate can bear greater weight. The eight support rods are connected by connecting rods, so that the eight support rods are connected end to end to form a support network, which increases support. Rod strength, by setting the sleeve A on the support rod A to connect the sleeve A and the support rod C through the connecting rod, when the support rod C moves down, the sleeve A moves to the left along the support rod A, making it The angle between the support rod C and the support rod A becomes smaller to achieve the purpose of retracting the support rod C. The support rod C drives the support rod D to move down along the support rod E through the connecting rod, so that the support rod D moves downward. Shrink to achieve the purpose of retracting the support rod D, by stowing the support rod B and the support rod D to facilitate the transportation of its base, by setting the connecting rod to connect the sleeve A and the supporting rod C, and by setting the connecting rod to connect the supporting rod C and support rod D to push the support rod B so that the angle between the support rod B and the support rod A becomes smaller, so as to achieve the purpose of the connecting rod driving the support rod D to shrink, making it more convenient to recover and install the tower crane chassis fast.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the structure of the utility model in a top view section;

Figure 3 is a schematic diagram of the overall structure of the utility model support plate;

Fig. 4 is a schematic diagram of the overall structure of the utility model support rod A;

Fig. 5 is a schematic diagram of the overall structure of the utility model support rod E;

Fig. 6 is a schematic diagram of the overall structure of the utility model support rod B;

Fig. 7 is a schematic diagram of the overall structure of the connecting rod of the present invention.

In the figure: 1. Bottom plate; 2. Base; 3. Support plate; 4. Support rod A; 5. Sleeve A; 6. Fixed column A; 7. Through hole A; 8. Through hole B; 9. Insert rod ;10, support seat; 11, support rod B; 12, support rod C; 13, sleeve B; 14, connecting rod; 15, sleeve F; 16, pouring port; 17, support rod D; 18, support rod E; 19. Bottom post A; 20. Bottom post B; 21. Sleeve C; 22. Sleeve D; 23. Bottom post C; 24. Sleeve E.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1:

Please refer to Figures 1-7, the utility model provides a technical solution: the tower crane chassis supports the weight structure, including the bottom plate 1, the support plate 3 and the connecting rod 14, the middle part of the bottom plate 1 is provided with a base 2, and the inside of the base 2 is provided There is a support plate 3, four pouring ports 16 are arranged on the surface of the base plate 1, the bottom column C23 is fixed by welding on the upper and lower sides of the surface of the support plate 3, the bottom column B20 is fixed by welding on the left and right sides of the surface of the support plate 3, and the four corners of the surface of the support plate 3 are uniform. The bottom column A19 is fixed by welding, the bottom column A19 is covered with a sleeve C21, the bottom column B20 is covered with a bottom column B20, the bottom column C23 is covered with a sleeve E24, the left side of the sleeve C21 is fixed by welding the support rod C12, The upper and lower sides of the support rod C12 are fixed with the fixed column A6 by welding, the support rod C12 is covered with the support rod B11, the left side of the support rod B11 is fixed by welding the sleeve B13, the middle part of the sleeve B13 is covered with the insertion rod 9, 9. The support seat 10 is fixed by welding at the bottom, and the support rod A4 is fixed by welding on the left side of the sleeve D22. The middle part of the support rod A4 is covered with a sleeve A5, and the upper and lower sides of the sleeve A5 are fixed with a fixed column A6 by welding. There is a through hole B8 on the left side, a through hole A7 on the left side above the support rod A4, the sleeve B13 is fixed by welding on the left side of the support rod A4, the support rod E18 is fixed by welding on the left side of the sleeve E24, and the left side sleeve of the support rod E18 Inside the support rod D17, the upper and lower sides of the right side of the support rod D17 are fixed with the fixed column A6 through welding, the left side of the support rod D17 is fixed with the sleeve B13 through welding, and the two sides of the connecting rod 14 are fixed with the sleeve F15 through welding. Base plate 1 is provided with eight support rods around, so that base plate 1 can bear greater weight, connects eight support rods by connecting rod 14, makes its eight support rods connect end to end to form support network, increases the strength of support rods.

Example 2:

Please refer to Figures 1-7, the utility model provides a technical solution: the tower crane chassis supports the weight structure, including the sleeve F15, the sleeve F15 is set on the fixed column A6, and the sleeve F15 on the connecting rod 14 is set On the fixed column A6, connect the two fixed columns A6 through the connecting rod 14, the sleeve A5 connects the supporting rod C12 through the connecting rod 14, the supporting rod D17 connects the supporting rod C12 through the connecting rod 14, and the supporting rod C12 passes through the connecting rod respectively. The rod 14 connects the sleeve F15 and the support rod D17, the support rod C12 and the support rod D17 are both hollow structures, the support rod B11 is sleeved inside the support rod C12, the support rod E18 is sleeved inside the support rod D17, the sleeve F15 and the fixed column A6 The connections between them are movable connections, the sleeve F15 can rotate around the fixed column A6, the bottom column A19 and the sleeve C21 are movable connections, the bottom column B20 and the sleeve D22 are dead connections, the bottom column C23 and the sleeve There is a dead connection between the sleeves E24. The sleeve C21 can rotate around the bottom column A19. The insertion rod 9 is fixed inside the sleeve B13. The insertion rod 9 can be fixed and loosened by the limit screw on the surface of the sleeve B13. When the screw is fixed, the insertion rod 9 cannot move up and down inside the sleeve B13, and the sleeve A5 can move left and right on the support rod A4. By setting the sleeve A5 on the support rod A4, it connects the sleeve A5 and the support through the connecting rod 14. Rod C12, when the supporting rod C12 moves downward, the sleeve A5 moves to the left along the supporting rod A4, so that the angle between the supporting rod C12 and the supporting rod A4 becomes smaller, so as to achieve the purpose of retracting the supporting rod C12 and supporting The rod C12 drives the support rod D17 to move downward along the support rod E18 through the connecting rod 14, so that the support rod D17 shrinks downward, so as to achieve the purpose of retracting the support rod D17. It is convenient to pack the support rod B11 and the support rod D17 The transportation of its base is to connect the sleeve A5 and the support rod C12 by setting the connecting rod 14, and connect the support rod C12 and the support rod D17 by setting the connecting rod 14, so that it pushes the support rod B11 so that the support rod B11 and the support rod A4 are clamped Angle becomes smaller, reaching the purpose that connecting rod 14 drives support rod D17 to shrink, making it more convenient and quick when retrieving and installing the underframe of the tower crane.

Working principle: When in use, open the support rod B11 and the support rod A4, push the support rod C12 to make the angle between the support rod C12 and the support rod A4 larger, and the support rod C12 pulls the connecting rod 14 to make the connecting rod 14 pull the sleeve The cylinder A5 moves to the right along the support rod A4, and the support rod C12 pushes the upper connecting rod 14, so that the connecting rod 14 pushes the supporting rod D17 to move upward along the supporting rod E18, so that the supporting rod D17 is pulled out from the supporting rod E18, Pull out the support rod B11 from the inside of the support rod C12 and fix it, so that a load-bearing network composed of multiple triangles is formed between the support rod C12, the support rod E18 and the support rod A4, and move the insertion rod 9 inside the sleeve B13 up and down to make it inserted The support seat 10 at the bottom of the rod 9 is located on a flat ground. After the support seat 10 is leveled with the ground, the insert rod 9 is fixed by the limit screw on the surface of the rotating sleeve B13. The base is fixed. When the base is to be recovered, the support bar Push B11 into the support rod C12, rotate the limit screw on the surface of the sleeve B13 to loosen the insertion rod 9, then put away the insertion rod 9, push the support rod C12 to make the angle between the support rod C12 and the support rod A4 smaller , until the support rod C12 is parallel to the support rod A4, the movement of the support rod C12 causes the support rod C12 to drive the lower connecting rod 14 to move downward, and the downward movement of the connecting rod 14 pushes the sleeve A5 to move to the left along the support rod A4 until The through hole B8 on the sleeve A5 coincides with the through hole A7 on the support rod A4, and the connecting rod 14 above the support rod C12 will move downward with the movement of the support rod C12, so that the connecting rod 14 above the support rod C12 will pull and support Rod D17 moves downward, makes its support rod D17 move downward along support rod E18, and support rod D17 shrinks, inserts the inside of through hole A7 and through hole B8 with fixing pin afterwards and can complete recovery.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The tower crane underframe supports weight structure, including bottom plate (1), backup pad (3) and connecting rod (14), its characterized in that: the base plate (1) middle part is equipped with base (2), base (2) inside is equipped with backup pad (3), base (1) surface is equipped with four and pours mouth (16), backup pad (3) surface upper and lower both sides are through welded fastening foundation post C (23), backup pad (3) surface left and right sides is through welded fastening foundation post B (20), backup pad (3) surface four corners is all through welded fastening has foundation post A (19), sleeve C (21) have been overlapped on foundation post A (19), sleeve B (20) have foundation post B (20) to go up the cover, sleeve E (24) have been overlapped on foundation post C (23), sleeve C (21) left side is through welded fastening bracing piece C (12), bracing piece C (12) upper and lower two sides left side is all through welded fastening foundation post A (6), bracing piece C (12) inside cover has bracing piece B (11), bracing piece B (11) left side is through welded fastening sleeve B (13), sleeve B (13) middle part cover has plug bar (9), sleeve E (24) have through welded fastening sleeve A (4) in the middle part (4), the utility model discloses a fixed column A (6) is all fixed through welded fastening in sleeve A (5) upper and lower both sides middle part, sleeve A (5) left side is equipped with through-hole B (8), bracing piece A (4) top left side is equipped with through-hole A (7), bracing piece A (4) left side is through welded fastening sleeve B (13), sleeve E (24) left side is through welded fastening bracing piece E (18), bracing piece E (18) left side cover is inside bracing piece D (17), both sides all are fixed through welded fastening in bracing piece D (17) right side upper and lower both sides have fixed column A (6), bracing piece D (17) left side is through welded fastening sleeve B (13), connecting rod (14) both sides are all fixed with sleeve F (15) through the welded fastening.

2. The tower crane undercarriage support weighting structure of claim 1, wherein: sleeve F (15) cover is on fixed column A (6), sleeve F (15) cover on connecting rod (14) makes it connect two fixed column A (6) through connecting rod (14) on fixed column A (6), sleeve A (5) are through connecting rod (14) joint support pole C (12), bracing piece D (17) are through connecting rod (14) joint support pole C (12), bracing piece C (12) are respectively through connecting rod (14) joint sleeve F (15) and bracing piece D (17).

3. The tower crane undercarriage support weighting structure of claim 1, wherein: the support rod C (12) and the support rod D (17) are of hollow structures, the support rod B (11) is sleeved inside the support rod C (12), and the support rod E (18) is sleeved inside the support rod D (17).

4. The tower crane undercarriage support weighting structure of claim 1, wherein: the sleeve F (15) and the fixed column A (6) are movably connected, and the sleeve F (15) can rotate around the fixed column A (6).

5. The tower crane undercarriage support weighting structure of claim 1, wherein: the bottom column A (19) is movably connected with the sleeve C (21), the bottom column B (20) is in dead connection with the sleeve D (22), the bottom column C (23) is in dead connection with the sleeve E (24), and the sleeve C (21) can rotate around the bottom column A (19).

6. The tower crane undercarriage support weighting structure of claim 1, wherein: the inserting rod (9) is fixed inside the sleeve B (13), the inserting rod (9) can be fixed and loosened through a limit screw on the surface of the sleeve B (13), the inserting rod (9) can not move up and down inside the sleeve B (13) when the limit screw is fixed, and the sleeve A (5) can move left and right on the supporting rod A (4).

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