Gearbox adjusting control device

Abstract

The utility model provides a gearbox adjusting control device which comprises a mounting plate, a circular truncated cone is arranged in the center of the top end of the mounting plate, a control mechanism is arranged in the mounting plate and comprises a gear handle knob and a fixing shell, and the fixing shell is fixedly arranged at the bottom of the mounting plate and corresponds to the lower portion of the circular truncated cone. And a rotating rod is rotationally mounted in the fixed shell and the circular truncated cone in a limiting manner. A circular truncated cone is arranged at the top of the mounting plate, and an elastic rubber ring is arranged at the bottom of the gear handle knob, so that water and sundries can be prevented from entering the bottom of the gear handle knob, and the influence on rotation of the device is avoided; a rotating rod and a rotating electrode contact can be limited through a clamping rod, a spring, an arc-shaped plate and a clamping groove, so that the rotating electrode contact is in close contact with a corresponding fixed electrode contact, and a corresponding gear can be conveniently kept; and the elastic clamping plate is fixedly installed through screws, the elastic clamping plate can be independently replaced after being damaged, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane gearbox control, and specifically relates to a gearbox adjustment control device. Background Technique

[0002] The slewing mechanism of a tower crane mainly consists of parts such as a motor, a fluid coupling, a brake, a gearbox, and a slewing pinion. The gearbox can change the rotational speed and torque of the transmission shaft to adapt to different working requirements.

[0003] In the prior art, tower cranes control the slewing gear speed by mechanical adjustment method and electronic adjustment method. The mechanical adjustment method changes the slewing gear speed by rotating the gears or chains of the tower crane transmission components, while the electronic adjustment method controls the slewing gear speed through electronic components in the tower crane electric control system. Specifically, in the cab, the slewing gear speed is controlled through buttons or touch screens in the electronic control system. However, when controlling the rotation gear speed by buttons, multiple buttons are required to change different gears and speeds. When using a touch screen to adjust the slewing gear speed, the surface of the touch screen is easily scratched after long-term use, and accidental touch is likely to occur, and it needs to be observed before operation, resulting in low practicability.

[0004] Therefore, the utility model provides a gearbox adjustment control device. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a gearbox adjustment control device to solve the problems raised in the above background technique. The utility model adjusts the gears and speeds of the slewing mechanism by means of a knob, without accidental touch, simple and convenient to operate. And an elastic rubber ring is arranged at the bottom of the gear lever knob, which can prevent water and sundries from entering the bottom of the gear lever knob, avoiding affecting the rotation of the device, and having high practicability.

[0006] To achieve the above object, the utility model is realized by the following technical solutions: A transmission adjustment control device includes a mounting plate. A frustum is provided at the center of the top end of the mounting plate. A control mechanism is provided inside the mounting plate. The control mechanism includes a gearshift knob and a fixed shell. The fixed shell is fixedly arranged at the bottom of the mounting plate corresponding to the lower part of the frustum. A rotating rod is rotatably installed inside the fixed shell and the frustum in a limited way. The gearshift knob is installed at the top end of the rotating rod through a clamping mechanism. The clamping mechanism includes elastic clamping plates. The elastic clamping plates are fixedly installed on both sides of the inner part of the top end of the rotating rod by screws. The gearshift knob is arranged on the top of the frustum. An elastic rubber ring is fixedly arranged at the bottom of the gearshift knob. A limiting mechanism is arranged between the bottom end of the rotating rod and the fixed shell. A gear position indicator light is fixedly arranged inside one end of the mounting plate.

[0007] Further, the elastic rubber ring is arranged on the outer side of the bottom end of the frustum, and the elastic rubber ring contacts the top of the mounting plate.

[0008] Further, clamping grooves are arranged on both sides of the inside of the gearshift knob. The elastic clamping plates are installed inside the clamping grooves. A pressing rod is slidably installed in a limited way on one side of the clamping grooves.

[0009] Further, the pressing rod is in an "L" shape. One end of the pressing rod is in close contact with the bottom end of the elastic clamping plate. A button is fixedly arranged at the other end of the pressing rod. The button is movably arranged inside both ends of the gearshift knob.

[0010] Further, the limiting mechanism includes a clamping rod and an arc-shaped plate. The clamping rod is slidably installed in a limited way on one side of the inner part of the bottom end of the rotating rod. A spring is arranged between one end of the clamping rod and the inner wall of the rotating rod. A sealing rubber ring is arranged between the bottom end of the rotating rod and the fixed shell.

[0011] Further, the arc-shaped plate is fixedly arranged on one side inside the fixed shell. Card slots are equidistantly arranged on the concave wall of the arc-shaped plate. One end of the clamping rod is clamped inside the card slots.

[0012] Further, a rotating electrode contact is fixedly arranged on the outer wall of the other side of the bottom end of the rotating rod. One end of the rotating electrode contact is fixedly provided with a cable. The cable is fixedly installed inside the rotating rod.

[0013] Further, fixed electrode contacts are equidistantly and fixedly installed on the other side inside the fixed shell. One end of the fixed electrode contact is fixedly provided with a cable. The cable penetrates through the inside of the fixed shell. The rotating electrode contact is in close contact with one of the fixed electrode contacts.

[0014] Advantages of the present utility model: The gearbox adjustment control device of the present utility model is a knob electronic adjustment structure, which will not cause accidental touch, and the operation is simple and convenient; by setting a frustum on the top of the mounting plate and an elastic rubber ring at the bottom of the gear lever knob, water and sundries can be prevented from entering the bottom of the gear lever knob, avoiding affecting the rotation of the device; through the set clamping rod, spring, arc plate and clamping groove, the rotating rod and the rotating electrode contact can be limited, so that the rotating electrode contact is in close contact with the corresponding fixed electrode contact, facilitating the maintenance of the corresponding gear; the elastic clamping plate is fixed and installed by screws, and can be replaced separately after being damaged, with high practicability. Brief Description of the Drawings

[0015] Figure 1 is a structural diagram of a gearbox adjustment control device of the present utility model;

[0016] Figure 2 is a front view sectional view of a gearbox adjustment control device of the present utility model;

[0017] Figure 3 is a top view sectional view of the fixed shell of a gearbox adjustment control device of the present utility model;

[0018] Figure 4 is a structural diagram of the rotating rod of a gearbox adjustment control device of the present utility model;

[0019] In the figure: 1, mounting plate; 2, gear lever knob; 3, fixed shell; 4, clamping mechanism; 5, gear indicator light; 6, rotating rod; 7, elastic clamping plate; 8, screw; 9, extrusion rod; 10, button; 11, elastic rubber ring; 12, sealing rubber ring; 13, fixed electrode contact; 14, rotating electrode contact; 15, cable; 16, clamping rod; 17, arc plate; 18, clamping groove. Detailed Embodiments

[0020] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please refer to Figures 1 to 4, the present utility model provides a technical solution: a transmission adjustment control device, including a mounting plate 1. A round table is provided at the center position of the top end of the mounting plate 1. A control mechanism is arranged inside the mounting plate 1. The control mechanism includes a gearshift knob 2 and a fixed shell 3. The fixed shell 3 is fixedly arranged at the bottom of the mounting plate 1 corresponding to the lower part of the round table. A rotating rod 6 is installed in the fixed shell 3 and the round table in a limited rotation manner. The gearshift knob 2 is installed at the top end of the rotating rod 6 through a clamping mechanism 4. The clamping mechanism 4 includes an elastic clamping plate 7. The elastic clamping plate 7 is fixedly installed on both sides of the inner top end of the rotating rod 6 through screws 8. The gearshift knob 2 is arranged on the top of the round table. An elastic rubber ring 11 is fixedly arranged at the bottom of the gearshift knob 2. A limiting mechanism is arranged between the bottom end of the rotating rod 6 and the fixed shell 3. A gear position indicator light 5 is fixedly arranged inside one end of the mounting plate 1. By providing the round table and the elastic rubber ring 11, water and sundries can be prevented from entering the bottom of the gearshift knob 2, avoiding affecting the rotation of the gearshift knob 2. The elastic clamping plate 7 fixed by the screw 8 can be fixed and disassembled, facilitating the replacement of the elastic clamping plate 7 alone when it is damaged, with high practicality.

[0022] In this embodiment, the elastic rubber ring 11 is arranged on the outer side of the bottom end of the round table. The elastic rubber ring 11 contacts the top of the mounting plate 1. Clamping grooves are arranged on both sides inside the gearshift knob 2. The elastic clamping plate 7 is installed inside the clamping grooves. A pressing rod 9 is arranged in a limited sliding manner on one side of the clamping grooves. The shape of the pressing rod 9 is "L". One end of the pressing rod 9 is in close contact with the bottom end of the elastic clamping plate 7. The other end of the pressing rod 9 is fixedly provided with a button 10. The button 10 is movably arranged inside both ends of the gearshift knob 2. By pressing the button 10 to press the pressing rod 9, the pressing rod 9 can push the bottom end of the elastic clamping plate 7 to contract, thus facilitating the separation between the gearshift knob 2 and the rotating rod 6, and facilitating the replacement of the gearshift knob 2 and the elastic clamping plate 7, with simple operation.

[0023] In this embodiment, the limiting mechanism includes a clamping rod 16 and an arc-shaped plate 17. The clamping rod 16 is installed in a limited sliding manner on one side of the inner bottom end of the rotating rod 6. A spring is arranged between one end of the clamping rod 16 and the inner wall of the rotating rod 6. A sealing rubber ring 12 is arranged between the bottom end of the rotating rod 6 and the fixed shell 3. The arc-shaped plate 17 is fixedly arranged on one side inside the fixed shell 3. Card slots 18 are equidistantly arranged on the concave wall of the arc-shaped plate 17. One end of the clamping rod 16 is clamped inside the card slot 18. The clamping rod 16 can be clamped inside the corresponding card slot 18 under the elastic force of the spring, thus facilitating the limitation of the rotating rod 6 and the rotating electrode contact 14. Through the sealing rubber ring 12, the bottom end of the fixed shell 3 can be sealed, improving the waterproof performance of the device.

[0024] In this embodiment, a rotary electrode contact 14 is fixedly arranged on the outer wall of the other side of the bottom end of the rotating rod 6. One end of the rotary electrode contact 14 is fixedly provided with a cable 15. The cable 15 is fixedly installed inside the rotating rod 6. On the other side inside the fixed shell 3, fixed electrode contacts 13 are fixedly installed at equal intervals. One end of the fixed electrode contact 13 is fixedly provided with a cable 15. The cable 15 penetrates through the inside of the fixed shell 3. The rotary electrode contact 14 is in fitting contact with one of the fixed electrode contacts 13. When the rotating rod 6 rotates, it can drive the rotary electrode contact 14 to contact different fixed electrode contacts 13, which is convenient for changing different gears. The provided cable 15 is a signal line and can transmit a signal line to the main control computer, thereby completing the adjustment and control of the gearbox.

[0025] When using this gearbox adjustment and control device, the mounting plate 1 is fixedly installed on the console of the tower crane. The fixed shell 3 is directly fixedly installed below the corresponding round table at the bottom of the mounting plate 1, and the top end of the rotating rod 6 is inserted into the inside of the round table. Take two elastic clamping plates 7 and install them on both sides of the top end of the rotating rod 6. Fix the top ends of the elastic clamping plates 7 with screws 8. The gear knob 2 is clamped and installed on the top of the rotating rod 6 through the elastic clamping plates 7, so that the elastic clamping plates 7 and the top end of the rotating rod 6 enter the inside of the gear knob 2 and the elastic clamping plates 7 are squeezed. When the elastic clamping plates 7 enter the inside of the clamping groove, they are clamped inside the clamping groove under their own elastic force. One end of the pressing rod 9 is in fitting contact with the bottom end of the elastic clamping plate 7. By setting a round table on the top of the mounting plate 1 and an elastic rubber ring 11 at the bottom of the gear knob 2, it can prevent water and sundries from entering the bottom of the gear knob 2 and avoid affecting the rotation of the device; when changing gears, rotate the gear knob 2. The gear knob 2 drives the rotating rod 6 to rotate through the clamping mechanism 4. The rotating rod 6 drives the clamping rod 16, so that the clamping rod 16 and the clamping groove 18 are mutually squeezed. At the same time, the rotating rod 6 drives the rotary electrode contact 14 to rotate, adjusts it to the position of the corresponding fixed electrode contact 13 and makes it in fitting contact with it. The gear indicator light 5 displays the corresponding gear. The clamping rod 16 is clamped inside the clamping groove 18 opposite to the corresponding fixed electrode contact 13 under the elastic force of the spring, which can limit the rotating rod 6 and the rotary electrode contact 14 and is convenient for maintaining the corresponding gear; different fixed electrode contacts 13 represent different gears, and the speeds of different gears are different. After the rotary electrode contact 14 is connected to the corresponding fixed electrode contact 13, an instruction is sent to the PLC console. The PLC console controls the motor to rotate and shift gears. The motor drives the gearbox to shift gears and adjust speeds, etc.; the gears and speeds of the slewing mechanism are adjusted by turning the knob to meet different working requirements, and there will be no accidental touch. The operation is simple and convenient, and the practicability is high.

[0026] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A transmission adjustment control device, comprising a mounting plate (1), characterized in that, A frustum is provided at the center position of the top end of the mounting plate (1). A control mechanism is provided inside the mounting plate (1). The control mechanism includes a gearshift knob (2) and a fixed housing (3). The fixed housing (3) is fixedly arranged at the bottom of the mounting plate (1) corresponding to the lower part of the frustum. A rotating rod (6) is rotationally installed inside the fixed housing (3) and the frustum in a limited manner. The gearshift knob (2) is installed at the top end of the rotating rod (6) through a clamping mechanism (4). The clamping mechanism (4) includes elastic clamping plates (7). The elastic clamping plates (7) are fixedly installed on both sides of the inner part of the top end of the rotating rod (6) through screws (8). The gearshift knob (2) is arranged on the top of the frustum. An elastic rubber ring (11) is fixedly arranged at the bottom of the gearshift knob (2). A limiting mechanism is arranged between the bottom end of the rotating rod (6) and the fixed housing (3). A gear position indicator light (5) is fixedly arranged inside one end of the mounting plate (1).

2. The transmission adjustment control device according to claim 1, characterized in that: The elastic rubber ring (11) is arranged on the outer side of the bottom end of the frustum, and the elastic rubber ring (11) is in contact with the top of the mounting plate (1).

3. The transmission adjustment control device according to claim 2, characterized in that: Clamping grooves are arranged on both sides inside the gearshift knob (2), and the elastic clamping plates (7) are installed inside the clamping grooves. A pressing rod (9) is arranged on one side of the clamping groove in a limited sliding manner.

4. A transmission adjustment control device according to claim 3, characterized in that: The pressing rod (9) is in an "L" shape. One end of the pressing rod (9) is in close contact with the bottom end of the elastic clamping plate (7). A button (10) is fixedly arranged at the other end of the pressing rod (9). The button (10) is movably arranged inside both ends of the gearshift knob (2).

5. A transmission adjustment control device according to claim 1, characterized in that: The limiting mechanism includes a clamping rod (16) and an arc-shaped plate (17). The clamping rod (16) is installed in a limited sliding manner on one side of the inner part of the bottom end of the rotating rod (6). A spring is arranged between one end of the clamping rod (16) and the inner wall of the rotating rod (6). A sealing rubber ring (12) is arranged between the bottom end of the rotating rod (6) and the fixed housing (3).

6. A transmission adjustment control device according to claim 5, characterized in that: The arc-shaped plate (17) is fixedly arranged on one side inside the fixed housing (3). Card slots (18) are equidistantly arranged on the concave wall of the arc-shaped plate (17). One end of the clamping rod (16) is clamped inside the card slot (18).

7. A transmission adjustment control device according to claim 1, characterized in that: A rotating electrode contact (14) is fixedly arranged on the outer wall of the other side of the bottom end of the rotating rod (6). One end of the rotating electrode contact (14) is fixedly arranged with a cable (15). The cable (15) is fixedly installed inside the rotating rod (6).

8. A transmission adjustment control device according to claim 7, characterized in that: Fixed electrode contacts (13) are equidistantly and fixedly installed on the other side inside the fixed housing (3). One end of the fixed electrode contacts (13) is fixedly arranged with a cable (15). The cable (15) penetrates through the inside of the fixed housing (3). The rotating electrode contact (14) is in close contact with one of the fixed electrode contacts (13).

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