Tower crane standard knot assembling tool

Abstract

The utility model relates to the technical field of assembly tools, in particular to a tower crane standard knot assembly tool which comprises a left fixing frame and a right fixing frame and is characterized in that four connecting rods are connected between the left fixing frame and the right fixing frame, each connecting rod is provided with a main limb supporting arm in a hinged structure mode, and the main limb supporting arms are connected with the left fixing frame and the right fixing frame. Connecting rod supporting arms and sleeve positioning mechanisms are arranged on the inner side of the left fixing frame and the inner side of the right fixing frame, the left fixing frame, the right fixing frame and the connecting rod supporting arms are connected in a hinged structure mode, the connecting rod supporting arms are arranged between every two adjacent sleeve positioning mechanisms, and the sleeve positioning mechanisms are arranged at the four corners of the left fixing frame and the four corners of the right fixing frame. The main limb and the connecting rod are supported respectively, then the sleeve is placed at the positioning pin, the first power piece is used for pushing the mounting plate so that the sleeve can be attached to the side wall of the main limb, the assembly efficiency is improved, and the labor intensity of workers is reduced.

Description

Technical fields:

[0001] This application relates to the field of assembly tooling technology, and in particular to assembly tooling for standard tower crane sections. Background technology:

[0002] Tower crane standard sections are used in tower crane equipment. A standard section is a frame structure welded together with four seamless steel pipe main limbs and connecting rods. According to size, it can be divided into 1.5*1.5*2.2 meters, 1.5*1.5*2.5 meters, 1.615*1.615*2.5 meters, 1.5*1.5*3 meters, etc.

[0003] Chinese invention patent application No. 202110875747.1—a forming fixture for a standard section of a tower crane—includes a fixture base, an electrical control torque, a hydraulic station, a motor, a reducer, a bearing seat, a left fixed plate, a right fixed plate, and a positioning device. The hydraulic station and the motor are both connected to the electrical control torque. The left and right fixed plates are respectively fixed to the rotating main shaft of the motor via a fixed plate support frame. There are eight sets of positioning devices, which are respectively installed at the four corners of the left and right fixed plates. Each set of positioning devices includes a hydraulic cylinder, a positioning pin connecting plate, and a positioning pin, used to effectively position the main chord of the standard section.

[0004] This patent application solves the problem of large-scale errors caused by manual measurement and installation, improves work efficiency, and ensures the quality of standard section finished products. However, when placing the main member, the lifting tool needs to keep the main member suspended at all times, and then the hydraulic cylinder is started to push the positioning pin on the positioning pin connecting plate forward. Workers need to accurately position the main member so that the positioning pin can drive the sleeve to be inserted around the main member, clamping and fixing the standard section, which reduces work efficiency and increases the difficulty of assembly. Utility model content:

[0005] To solve the above-mentioned technical problems, this utility model provides a standard tower crane assembly tooling, addressing the issue that assembling the main members and positioning pins is difficult and inefficient. The technical solution adopted by this utility model to solve these problems is as follows:

[0006] A standard tower crane assembly tooling, including a left fixed frame and a right fixed frame, is characterized in that four connecting rods connect the left and right fixed frames, and each connecting rod is equipped with a main support arm via a hinged structure. Connecting rod supports and sleeve positioning mechanisms are located on the inner sides of the left and right fixed frames. The left and right fixed frames are connected to the connecting rod supports via a hinged structure. The connecting rod supports are positioned between two adjacent sleeve positioning mechanisms. The sleeve positioning mechanisms are located at the four corners of the left and right fixed frames, and each sleeve positioning mechanism includes:

[0007] Mounting plate, which is connected to the left or right fixed frame by a sliding structure;

[0008] A first power component for driving the mounting plate to move, the first power component is connected to the left or right fixed frame;

[0009] Guide sleeve, the guide sleeve is connected to the mounting plate by a fixed structure;

[0010] The guide rod and the guide sleeve are slidably connected by a telescopic structure.

[0011] The movable plate is connected to one end of the guide rod.

[0012] Positioning pins are connected to the movable plate using a fixed structure.

[0013] A second power component is used to drive the movement of the movable plate, and the second power component is connected to the mounting plate.

[0014] Furthermore, the left and right fixed frames are equipped with linear slide rails, and the mounting plate is connected to the left and right fixed frames via the linear slide rails.

[0015] Furthermore, the main limb outrigger is equipped with an inverted L-shaped limiting seat through a hinged structure. The limiting seat is fixedly connected to the connecting rod, and the horizontal section of the limiting seat is hinged to one end of the main limb outrigger.

[0016] Furthermore, both the horizontal section of the limiting seat and the main limb support arm are provided with locking holes A, and the locking holes A are provided with pins in an insert-pull manner.

[0017] Furthermore, a lock hole B is provided on the side of the main arm near the hinge point.

[0018] Furthermore, mounting seats are fixedly installed on the inner sides of the left and right fixed frames. The mounting seats have a third power component. The output shaft of the third power component is connected to a connecting rod through a hinge structure. The other end of the connecting rod is connected to the middle of the connecting rod support arm in a hinge structure. One end of the connecting rod support arm is connected to the mounting seat in a hinge structure.

[0019] Furthermore, the side wall of the mounting base is provided with a sliding groove, and the sliding groove is provided with a shaft through a sliding structure. The shaft passes through the hinge point between the connecting rod and the output shaft of the third power component.

[0020] Furthermore, the first power component, the second power component, and the third power component are hydraulic cylinders or pneumatic cylinders.

[0021] Furthermore, both the main arm and the connecting rod arm are equipped with L-shaped positioning blocks in a detachable manner.

[0022] The beneficial effects of this utility model are: by setting the main limb support arm and the connecting rod support arm to support the main limb and the connecting rod respectively, and then placing the sleeve at the positioning pin, the first power component pushes the mounting plate to fit the sleeve against the side wall of the main limb, thereby improving the assembly efficiency and reducing the labor intensity of workers.

[0023] By using a third power unit to drive the connecting rod to rotate the connecting arm to one side, the level of automation can be improved while reducing the space occupied by the third power unit and minimizing obstruction to component installation. Attached image description:

[0024] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0025] Figure 2 This is a three-dimensional structural diagram of the sleeve positioning mechanism of this utility model.

[0026] Figure 3 This is a three-dimensional structural diagram of the main limb support arm of this utility model in the open state.

[0027] Figure 4 This is a three-dimensional structural diagram of the main limb support arm in working state of this utility model.

[0028] Figure 5 This is a schematic diagram of the exploded structure of the connecting rod arm of this utility model.

[0029] Figure 6 This is a schematic diagram of the structure of an embodiment of the present utility model.

[0030] In the picture:

[0031] 1. Left fixed frame, 2. Right fixed frame, 3. Connecting rod, 4. Main limb support arm, 5. Connecting rod support arm, 6. Sleeve positioning mechanism, 61. Mounting plate, 62. First power component, 63. Guide sleeve, 64. Guide rod, 65. Moving plate, 66. Positioning pin, 67. Second power component, 7. Limiting seat, 8. Lock hole A, 9. Pin, 10. Lock hole B, 11. Mounting seat, 12. Third power component, 13. Connecting rod, 14. Slide groove, 15. Shaft, 16. L-shaped positioning block. Detailed implementation method:

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will now be described in further detail with reference to the accompanying drawings and the following embodiments, so that the public can better understand the implementation method of this utility model. The specific implementation scheme of this utility model is as follows:

[0033] A standard tower crane assembly fixture, comprising a left fixed frame 1 and a right fixed frame 2, is characterized in that four connecting rods 3 connect the left fixed frame 1 and the right fixed frame 2. Each connecting rod 3 is equipped with a main support arm 4 connected via a hinged structure. Connecting rod arms 5 and sleeve positioning mechanisms 6 are located on the inner sides of the left fixed frame 1 and the right fixed frame 2. The left fixed frame 1 and the right fixed frame 2 are connected to the connecting rod arms 5 via a hinged structure. The connecting rod arms 5 are positioned between two adjacent sleeve positioning mechanisms 6. The sleeve positioning mechanisms 6 are located at the four corners of the left fixed frame 1 and the right fixed frame 2, and each sleeve positioning mechanism 6 includes a mounting plate 6. 1. The mounting plate 61 is connected to the left fixed frame 1 or the right fixed frame 2 in a sliding structure; a first power component 62 for driving the movement of the mounting plate 61 is connected to the left fixed frame 1 or the right fixed frame 2; the mounting plate 61 is provided with a guide sleeve 63 in a fixed structure, the guide sleeve 63 is slidably provided with a guide rod 64 in a telescopic structure, one end of the guide rod 64 is connected to a moving plate 65, the other side of the moving plate 65 is provided with a positioning pin 66 in a fixed structure, and a second power component 67 for driving the movement of the moving plate 65 is connected to the mounting plate 61.

[0034] By setting up the main support arm 4 and the connecting rod support arm 5, the main body and the connecting rod are supported respectively. Then, the sleeve is placed at the positioning pin 66, and the first power component 62 pushes the mounting plate 61 to fit the sleeve against the side wall of the main body, which improves the assembly efficiency and reduces the labor intensity of workers. Moreover, the sleeve positioning mechanism 6 can meet the assembly of standard section sleeves of tower cranes of different sizes, reducing costs and improving practicality.

[0035] It should be noted that the left fixed frame 1 and the right fixed frame 2 are equipped with linear slide rails 67, and the mounting plate 61 is connected to the left fixed frame 1 and the right fixed frame 2 through the linear slide rails 67.

[0036] It should be noted that the main limb support arm 4 is equipped with an inverted L-shaped limiting seat 7 through a hinged structure. The limiting seat 7 is fixedly connected to the connecting rod 3. The horizontal section of the limiting seat 7 is hinged to one end of the main limb support arm 4, which facilitates the quick opening of the main limb support arm 4 into place.

[0037] It should be noted that both the horizontal section of the limiting seat 7 and the main limb support arm 4 are provided with locking holes A8. The locking holes A8 are equipped with pins 9 in a plug-in manner to facilitate the positioning of the main limb support arm 4 during operation.

[0038] Furthermore, in order to prevent the main limb support arm 4 from affecting the placement of the main limb after it is opened, a lock hole B10 is provided on the side of the main limb support arm 4 near the hinge point. When the pin 9 is inserted into the lock hole B10, the pin 9 is restricted by the limit seat 7, so that the main limb support arm 4 cannot rotate further.

[0039] Specifically, mounting bases 11 are fixedly installed inside the left fixed frame 1 and the right fixed frame 2. Each mounting base 11 has a third power component 12. The output shaft 15 of the third power component 12 is hinged to a connecting rod 13. The other end of the connecting rod 13 is hinged to the middle of the connecting rod arm 5, and one end of the connecting rod arm 5 is hinged to the mounting base 11. By driving the connecting rod 13 through the third power component 12, the connecting rod arm 5 can be rotated to one side, improving automation while reducing the space occupied by the third power component 12 and minimizing obstruction to component installation.

[0040] To ensure the stability of the push-pull of the connecting rod 13 to the connecting arm 5, a sliding groove 14 is provided on the side wall of the mounting base 11. The sliding groove 14 is provided with a shaft 15 through a sliding structure. The shaft 15 passes through the hinge point between the connecting rod 13 and the output shaft of the third power component 12.

[0041] Specifically, the first power component 62, the second power component 67, and the third power component 12 are hydraulic cylinders or pneumatic cylinders.

[0042] To facilitate the assembly of standard tower crane sections of different sizes, both the main boom 4 and the connecting boom 5 are equipped with L-shaped positioning blocks 16 in a detachable manner. By replacing different L-shaped positioning blocks 16, the main boom connecting boom can be supported. It should be noted that the L-shaped positioning blocks 16 only serve as support and limit. During operation, one vertical section of the L-shaped positioning block 16 does not contact the workpiece to prevent the main boom 4 and the connecting boom 5 from being unable to rotate.

[0043] An electromagnet can be installed on the side wall of the L-shaped positioning block 16 to attract the workpiece.

[0044] The working principle and process of this utility model are as follows:

[0045] First, the third power component 12 is activated to drive the connecting rod 13 to move outward. The connecting rod 13 drives the connecting rod arm 5 to rotate around the hinge point with the mounting base 11, thereby opening the connecting rod arm 5.

[0046] like Figure 4 As shown, rotate the locking hole A of the main limb support arm 4 to the locking hole A of the limiting seat, and insert the pin into the locking hole A.

[0047] Then, place the eight connecting rods on both sides onto the corresponding connecting rod support arm 5, and then place the four main limbs onto the main limb support arm 4. Finally, insert the sleeve into the positioning pin 66, start the second power unit 67, and the output shaft of the second power unit 67 pushes the moving plate 65 and the positioning pin 66 until the sleeve reaches the predetermined position; start the first power unit 62 to push the mounting plate 61, and the mounting plate 61 drives the guide sleeve 63, guide rod 64, moving plate 65, positioning pin 66 and sleeve to approach the side wall of the main limb until the side walls of the two sleeves are attached to the side wall of the main limb, completing the assembly work.

[0048] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "front," "rear," "lower left," "upper right," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Although this utility model has been described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of this utility model described herein.

Claims

1. A tower standard segment assembly tooling, comprising a left fixed frame (1) and a right fixed frame (2), characterized in that, Four connecting rods (3) are connected between the left fixed frame (1) and the right fixed frame (2), the connecting rod (3) is provided with a main limb support arm (4) arranged in a hinged structure, the inner side of the left fixed frame (1) and the right fixed frame (2) is provided with a connecting rod support arm (5) and a sleeve positioning mechanism (6), the left fixed frame (1) and the right fixed frame (2) are connected to the connecting rod support arm (5) in a hinged structure, the connecting rod support arm (5) is arranged between two adjacent sleeve positioning mechanisms (6), the sleeve positioning mechanism (6) is arranged at the four corners of the left fixed frame (1) and the right fixed frame (2), and the sleeve positioning mechanism (6) comprises: A mounting plate (61) is connected to the left fixed frame (1) or the right fixed frame (2) in a sliding structure; A first power member (62) is connected to the left fixed frame (1) or the right fixed frame (2) for driving the mounting plate (61) to move; A guide sleeve (63) is connected to the mounting plate (61) in a fixed structure; A guide rod (64) is connected to the guide sleeve (63) in a telescopic structure; A moving plate (65) is connected to one end of the guide rod (64); A positioning pin (66) is connected to the moving plate (65) in a fixed structure; A second power member (67) is connected to the mounting plate (61) for driving the moving plate (65) to move.

2. The set of tower crane standard sections assembly fixture according to claim 1, characterized in that: The left fixed frame (1) and the right fixed frame (2) are provided with linear sliding rails, and the mounting plate (61) is connected to the left fixed frame (1) and the right fixed frame (2) through the linear sliding rails.

3. The tower crane standard segment set tooling of claim 1, wherein: The main limb support arm (4) is provided with a limit seat (7) of inverted L type in a hinged structure, the limit seat (7) is connected to the connecting rod (3) in a fixed structure, and the horizontal section of the limit seat (7) is hingedly connected to one end of the main limb support arm (4).

4. The set of tower crane standard sections of claim 3, characterized in that: Lock holes A (8) are formed in the horizontal section of the limit seat (7) and the main limb support arm (4), and the lock holes A (8) are provided with pins (9) in a plug-in manner.

5. The set of tower crane standard sections of claim 4, characterized in that: The main limb support arm (4) is provided with a lock hole B (10) on one side close to the hinge point.

6. The set of tower crane standard sections of claim 1, wherein: The inner side of the left fixed frame (1) and the right fixed frame (2) is fixedly provided with a mounting seat (11), the mounting seat (11) has a third power member (12), the output shaft (15) of the third power member (12) is provided with a connecting rod (13) in a hinged structure, the other end of the connecting rod (13) is connected to the middle of the connecting rod support arm (5) in a hinged structure, and one end of the connecting rod support arm (5) is connected to the mounting seat (11) in a hinged structure.

7. The set of tower crane standard sections of claim 6, characterized in that: A sliding groove (14) is formed in the side wall of the mounting seat (11), and an axle (15) is arranged in the sliding groove (14) in a sliding structure.

8. The set of tower crane standard sections of claim 7, characterized in that: The first power member (62), the second power member (67) and the third power member (12) are oil cylinders or air cylinders.

9. The set of tower crane standard sections of claim 5, wherein: The main limb support arm (4) and the connecting rod support arm (5) are provided with L-shaped positioning blocks (16) in a detachable structure.

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