Oil cylinder moving auxiliary structure of tower crane

Abstract

The utility model discloses a tower crane oil cylinder movement auxiliary structure which comprises a climbing frame and a thrust plate installed at the bottom of the climbing frame through a pin shaft, the left side and the right side of the bottom of the climbing frame are both fixedly connected with vertical plates, and the inner sides of the vertical plates are movably connected with screw rods located on the back face of the thrust plate through bearings. The surface of the screw is in threaded connection with a thread sleeve, the front face of the thread sleeve is fixedly connected with an extrusion rod located on one side of the thrust plate, the left side of the vertical plate is provided with a driving structure used for driving the screw to rotate, the driving structure comprises a speed reducer fixedly connected to the left side of the vertical plate, and the input end of the speed reducer is fixedly connected with a motor. The extrusion rods on the surface of the thread sleeve extrude the thrust plate to move, the operation step of forming a transmission groove in the surface of the thrust plate can be omitted, the integrity of the thrust plate is improved, meanwhile, power can be stably transmitted, the power transmission efficiency can be improved by arranging the screw, and the phenomenon that the thread sleeve rotates and loosens is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of crane equipment, in particular to a tower crane oil cylinder movement auxiliary structure. Background Art

[0002] During the jacking process of the tower crane, the jacking beam needs to be moved from a vertical position to a tower step position. In the process of pushing the jacking beam, it is necessary to overcome the horizontal force generated by the gravity of the jacking beam to move the jacking beam.

[0003] For example, CN202122633961.4 disclosed in the Chinese Patent Network provides a tower crane cylinder movement auxiliary structure including a support assembly; a thrust plate, a connection hole is provided on the thrust plate, and the thrust plate is rotatably connected to the support assembly through the connection hole; and a thrust rod assembly, the thrust rod assembly is connected to the first end of the thrust plate; a roller assembly, the roller assembly is connected to the second end of the thrust plate, the roller assembly is used to abut against the hydraulic cylinder, and the distance between the end of the thrust rod assembly away from the thrust plate and the center of the connection hole is greater than the distance between the roller assembly and the center of the connection hole. This device uses the lever principle to design the cylinder movement auxiliary structure, which can make the operator more labor-saving when working. At the same time, by setting the roller, rolling friction can be formed between the roller and the hydraulic cylinder, and the friction force is smaller, so that the operator is more labor-saving when operating, and the damage of the pusher to the hydraulic cylinder can also be reduced. However, this patent is mainly operated manually, and multiple people are required to apply force synchronously during the operation, and when the cylinder falls, it is easy to cause the operator's hand to be squeezed and injured.

[0004] Therefore, it is necessary to design and transform the mobile auxiliary structure of the tower crane cylinder to effectively improve the operating safety and efficiency of the mobile auxiliary structure. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a tower crane cylinder movement auxiliary structure, which has the advantages of improving operational safety and efficiency, and solves the problem that the patent is mainly operated manually, multiple people are required to apply force synchronously during the operation, and the operator's hands are easily squeezed and injured when the cylinder falls.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tower crane oil cylinder movement auxiliary structure, including a climbing frame;

[0007] The thrust plate is installed at the bottom of the climbing frame through a pin;

[0008] The left and right sides of the bottom of the climbing frame are fixedly connected with vertical plates, the inner side of the vertical plate is movably connected with a screw located on the back of the thrust plate through a bearing, the surface of the screw is threadedly connected with a screw sleeve, the front side of the screw sleeve is fixedly connected with an extrusion rod located on one side of the thrust plate, and a driving structure for driving the screw to rotate is provided on the left side of the vertical plate.

[0009] As a preferred embodiment of the utility model, the driving structure includes a reducer fixedly connected to the left side of the vertical plate, the input end of the reducer is fixedly connected to the motor, and the output end of the reducer is fixedly connected to the left end of the screw.

[0010] As a preferred embodiment of the present invention, a sleeve is sleeved on the surface of the extrusion rod, and an outer surface of the sleeve contacts the surface of the thrust plate.

[0011] As a preferred embodiment of the utility model, a support plate is fixedly connected to the front side of the screw sleeve, and the support plate extends from a side away from the screw sleeve to the front side of the sleeve. The support plate is sleeved on the surface of the extrusion rod and is slidably connected to the extrusion rod.

[0012] As a preferred embodiment of the utility model, a guide rod is fixedly connected to the inner side of the vertical plate, the guide rod is located at the bottom of the screw rod, and the screw sleeve is sleeved on the surface of the guide rod and is slidably connected to the guide rod.

[0013] As a preferred embodiment of the present invention, a corner plate is fixedly connected to the surface of the vertical plate, and a load-bearing groove is opened on the surface of the corner plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model squeezes the thrust plate to move by the extrusion rod on the surface of the screw sleeve, which can save the operation steps of opening a transmission groove on the surface of the thrust plate, improve the integrity of the thrust plate, and stably transmit power. By setting the screw rod, the power transmission efficiency can be improved and the screw sleeve can be prevented from rotating and loosening.

[0016] 2. The utility model can automatically drive the screw to rotate by providing a reducer and a motor, thus saving the user the steps of manually operating the screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the local structure of the utility model.

[0020] In the figure: 1. climbing frame; 2. thrust plate; 3. vertical plate; 4. screw; 5. screw sleeve; 6. extrusion rod; 7. reducer; 8. motor; 9. casing; 10. support plate; 11. guide rod; 12. angle plate; 13. load-bearing groove. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figures 1 to 3 As shown, the utility model provides a tower crane cylinder movement auxiliary structure, including a climbing frame 1;

[0023] A thrust plate 2 installed at the bottom of the climbing frame 1 through a pin shaft;

[0024] The left and right sides of the bottom of the climbing frame 1 are fixedly connected with vertical plates 3, the inner side of the vertical plate 3 is movably connected with a screw rod 4 located on the back of the thrust plate 2 through a bearing, the surface of the screw rod 4 is threadedly connected with a screw sleeve 5, and the front side of the screw sleeve 5 is fixedly connected with an extrusion rod 6 located on one side of the thrust plate 2, and a driving structure for driving the screw rod 4 to rotate is provided on the left side of the vertical plate 3.

[0025] refer to Figure 1 The driving structure includes a reducer 7 fixedly connected to the left side of the vertical plate 3, an input end of the reducer 7 is fixedly connected to a motor 8, and an output end of the reducer 7 is fixedly connected to the left end of the screw 4.

[0026] As a technical optimization solution of the present invention, by providing a reducer 7 and a motor 8, the screw rod 4 can be automatically driven to rotate, saving the user the step of manually operating the screw rod 4.

[0027] refer to Figure 2 A sleeve 9 is sleeved on the surface of the extrusion rod 6 , and an outer surface of the sleeve 9 contacts the surface of the thrust plate 2 .

[0028] As a technical optimization solution of the present invention, by providing the sleeve 9, the wear caused by the contact friction between the extrusion rod 6 and the thrust plate 2 can be reduced, and the extrusion rod 6 can be protected.

[0029] refer to Figure 3 A support plate 10 is fixedly connected to the front of the screw sleeve 5. The support plate 10 extends from one side of the screw sleeve 5 to the front of the sleeve 9. The support plate 10 is sleeved on the surface of the extrusion rod 6 and is slidably connected to the extrusion rod 6.

[0030] As a technical optimization solution of the utility model, by providing a support plate 10, the extrusion rod 6 can be supported, the contact area between the extrusion rod 6 and the screw sleeve 5 is increased, and the sleeve 9 can be limited at the same time.

[0031] refer to Figure 2 A guide rod 11 is fixedly connected to the inner side of the vertical plate 3 , and the guide rod 11 is located at the bottom of the screw rod 4 . The screw sleeve 5 is sleeved on the surface of the guide rod 11 and is slidably connected to the guide rod 11 .

[0032] As a technical optimization solution of the present invention, by providing a guide rod 11, the screw sleeve 5 can be guided to prevent the screw sleeve 5 from tilting during the movement.

[0033] refer to Figure 2 A corner plate 12 is fixedly connected to the surface of the vertical plate 3, and a load-bearing groove 13 is opened on the surface of the corner plate 12.

[0034] As a technical optimization solution of the present invention, by providing the angle plate 12 and the load-bearing groove 13, the vertical plate 3 can be supported, thereby reducing the pressure that the vertical plate 3 needs to bear.

[0035] The working principle and use process of the utility model are as follows: when in use, the thrust plate 2 needs to contact the side wall of the hydraulic cylinder, and then the motor 8 is started, the motor 8 drives the reducer 7 to work, the reducer 7 drives the screw 4 to rotate, the screw 4 uses the thread to push the screw sleeve 5 to move to the left, and the screw sleeve 5 uses the extrusion rod 6 to squeeze the thrust plate 2 during the movement, so that the thrust plate 2 rotates with the pin shaft at the bottom of the climbing frame 1 as the axis, and the thrust plate 2 uses the contact push to move the hydraulic cylinder during the swinging process.

[0036] In summary: the tower crane cylinder moving auxiliary structure squeezes the thrust plate 2 to move through the extrusion rod 6 on the surface of the screw sleeve 5, which can save the operating steps of opening a transmission groove on the surface of the thrust plate 2, improve the integrity of the thrust plate 2, and at the same time stably transmit power. By setting the screw rod 4, the power transmission efficiency can be improved and the screw sleeve 5 can be prevented from rotating loose.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] 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 cylinder movement auxiliary structure, comprising a climbing frame (1); A thrust plate (2) mounted on the bottom of the climbing frame (1) via a pin shaft; Features: The left and right sides of the bottom of the climbing frame (1) are fixedly connected to vertical plates (3); the inner side of the vertical plate (3) is movably connected to a screw rod (4) located on the back side of the thrust plate (2) through a bearing; the surface of the screw rod (4) is threadedly connected to a screw sleeve (5); the front side of the screw sleeve (5) is fixedly connected to an extrusion rod (6) located on one side of the thrust plate (2); and a driving structure for driving the screw rod (4) to rotate is provided on the left side of the vertical plate (3).

2. The tower crane cylinder moving auxiliary structure according to claim 1, Features: The driving structure comprises a reducer (7) fixedly connected to the left side of the vertical plate (3), the input end of the reducer (7) is fixedly connected to the motor (8), and the output end of the reducer (7) is fixedly connected to the left end of the screw rod (4).

3. The tower crane cylinder moving auxiliary structure according to claim 1, Features: A sleeve (9) is sleeved on the surface of the extrusion rod (6), and the outer surface of the sleeve (9) is in contact with the surface of the thrust plate (2).

4. The tower crane cylinder moving auxiliary structure according to claim 3, Features: A support plate (10) is fixedly connected to the front side of the screw sleeve (5), and the support plate (10) extends from a side away from the screw sleeve (5) to the front side of the sleeve (9). The support plate (10) is sleeved on the surface of the extrusion rod (6) and is slidably connected to the extrusion rod (6).

5. The tower crane cylinder movement auxiliary structure according to claim 1, Features: A guide rod (11) is fixedly connected to the inner side of the vertical plate (3), the guide rod (11) is located at the bottom of the screw rod (4), and the screw sleeve (5) is sleeved on the surface of the guide rod (11) and is slidably connected to the guide rod (11).

6. The tower crane cylinder moving auxiliary structure according to claim 1, Features: A corner plate (12) is fixedly connected to the surface of the vertical plate (3), and a load-bearing groove (13) is provided on the surface of the corner plate (12).

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