A three-stage lifting device for tank cleaning vehicle

Abstract

A three-stage lifting device for a tank cleaning vehicle, which relates to a three-stage lifting device. The utility model aims to solve the problem that the lifting gantry used in the existing cleaning vehicle is a one-stage lifting structure, the original height of the gantry is high, and it is not convenient to use in transfer. The utility model includes a base, a wire roller mechanism, a first-stage gantry, a second-stage gantry, a third-stage gantry and eight pulleys; the first-stage gantry, the second-stage gantry and the third-stage gantry are arranged side by side, the bottom of the first-stage gantry is fixedly installed on the base, the second-stage gantry is arranged in the first-stage gantry, and the outer side of the second-stage gantry column is slidably connected to the inner side of the first-stage gantry column, the third-stage gantry is arranged in the second-stage gantry, and the outer side of the third-stage gantry column is slidably connected to the inner side of the second-stage gantry column, the upper and lower parts of each column of the first-stage gantry are provided with pulleys, and the upper and lower parts of each column of the second-stage gantry are provided with pulleys, and the wire roller mechanism is arranged on the base. The utility model belongs to the field of machinery.

Description

Technical Field

[0001] The utility model relates to a three-level lifting device, belonging to the field of machinery. Background Art

[0002] Tank cleaning vehicles are also called tank washing vehicles. They use high-pressure water flow to clean the inner wall of tank containers. When cleaning some large tanks, it is necessary to use a lifting gantry to adjust the height of the cleaning vehicle. The lifting gantry used in existing cleaning vehicles is a one-level lifting structure. The original height of the gantry is high, which is not convenient for transfer use. Utility Model Content

[0003] The utility model aims to solve the problem that the lifting gantry used in the existing cleaning vehicle is a one-stage lifting structure, the original height of the gantry is high, and it is not convenient for transfer and use, and further proposes a three-stage lifting device for the tank cleaning vehicle.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problems is: the utility model includes a base, a wire roller mechanism, a first-level gantry, a second-level gantry, a third-level gantry and eight pulleys; the first-level gantry, the second-level gantry and the third-level gantry are arranged side by side, the bottom of the first-level gantry is fixedly installed on the base, the second-level gantry is arranged in the first-level gantry, and the outer side of the second-level gantry column is slidably connected to the inner side of the first-level gantry column, the third-level gantry is arranged in the second-level gantry, and the outer side of the third-level gantry column is slidably connected to the inner side of the second-level gantry column, the upper and lower parts of each column of the first-level gantry are provided with pulleys, and the upper and lower parts of each column of the second-level gantry are provided with pulleys, and the wire roller mechanism is arranged on the base.

[0005] Furthermore, the line roller mechanism includes two line roller frames, two line rollers, a left line roller shaft, a reducer, a reducer frame, a right line roller shaft and a driving base; the driving base is fixedly mounted on the base, and the two line roller frames are symmetrically mounted on the driving base, and each left line roller shaft and right line roller shaft are arranged in a straight line between the two line rollers, the left end of the left line roller shaft is rotatably connected to a line roller frame, the right end of the left line roller shaft is coaxially fixedly connected to the output shaft of the reducer, the left end of the right line roller shaft is coaxially fixedly connected to the output shaft of the reducer, the right end of the line roller shaft is rotatably connected to another line roller frame, one line roller is coaxially fixedly mounted on the left end of the left line roller shaft, and the other line roller is coaxially fixedly mounted on the right end of the right line roller shaft.

[0006] Furthermore, the wire roller mechanism also includes at least two wire cable pressing plates; at least one wire cable pressing plate is fixedly installed on the side of each wire roller facing the reducer.

[0007] Furthermore, the utility model also includes two steel cable rings; a steel cable ring is provided on the side of the top of each column of the three-level door frame facing the pulley.

[0008] Furthermore, the utility model also includes a transverse sealing beam, which is arranged on the top of the three-level portal frame, and the two ends of the transverse sealing beam are respectively fixedly connected to the upper ends of the two columns of the three-level portal frame.

[0009] Furthermore, the utility model also includes four baffles; a baffle is provided on the top of each column of the first-level portal frame, and a baffle is provided on the top of each column of the second-level portal frame.

[0010] Furthermore, the utility model also includes two limit stops; the inner side of the lower part of each column of the three-level door frame is provided with a limit stop.

[0011] The beneficial effects of the utility model are as follows: the utility model uses two coaxially connected wire rollers to synchronously pull the steel cable, thereby ensuring that the traction, lifting or lowering actions on both sides are carried out synchronously; the first-level door frame, the second-level door frame and the third-level door frame of the utility model adopt multi-stage pulley traction and lifting to ensure the stability of lifting; the utility model adopts steel cable drive, low power and energy saving; the utility model can be lifted synchronously and runs smoothly; the utility model adopts three-stage lifting, the original height is low, and it is convenient for transfer work; the utility model has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model. DETAILED DESCRIPTION

[0013] Specific implementation method 1: Combination Figure 1 The present embodiment is described. The three-stage lifting device for a tank cleaning vehicle described in the present embodiment comprises a base 1, a wire roller mechanism, a first-stage gantry 11, a second-stage gantry 12, a third-stage gantry 13 and eight pulleys 10; the first-stage gantry 11, the second-stage gantry 12 and the third-stage gantry 13 are arranged side by side, the bottom of the first-stage gantry 11 is fixedly mounted on the base 1, the second-stage gantry 12 is arranged in the first-stage gantry 11, and the outer side of the column of the second-stage gantry 12 is slidably connected to the inner side of the column of the first-stage gantry 11, the third-stage gantry 13 is arranged in the second-stage gantry 12, and the outer side of the column of the third-stage gantry 13 is slidably connected to the inner side of the column of the second-stage gantry 12, the upper and lower parts of each column of the first-stage gantry 11 are provided with pulleys 10, and the upper and lower parts of each column of the second-stage gantry 12 are provided with pulleys 10, and the wire roller mechanism is arranged on the base 1.

[0014] Specific implementation method 2: Combination Figure 1Describing this embodiment, the wire roller mechanism of a three-stage lifting device for a tank cleaning vehicle described in this embodiment includes two wire roller frames 2, two wire rollers 3, a left wire roller shaft 4, a reducer 5, a reducer frame 6, a right wire roller shaft 7 and a driving base 8; the driving base 8 is fixedly mounted on the base 1, and the two wire roller frames 2 are symmetrically mounted on the driving base 8, and each left wire roller shaft 4 and right wire roller shaft 7 are arranged in a straight line between the two wire rollers 3, the left end of the left wire roller shaft 4 is rotatably connected to one wire roller frame 2, the right end of the left wire roller shaft 4 is coaxially fixedly connected to the output shaft of the reducer 5, the left end of the right wire roller shaft 7 is coaxially fixedly connected to the output shaft of the reducer 5, the right end of the wire roller shaft 7 is rotatably connected to another wire roller frame 2, one wire roller 3 is coaxially fixedly sleeved on the left end of the left wire roller shaft 4, and the other wire roller 3 is coaxially fixedly sleeved on the right end of the right wire roller shaft 7.

[0015] In this embodiment, the axis of the left wire roller 4 coincides with the axis of the right wire roller 7 .

[0016] Other components and connection relationships are the same as those in the first specific implementation mode.

[0017] Specific implementation method three: Combination Figure 1 To explain this embodiment, the wire roller mechanism of the three-stage lifting device for a tank cleaning vehicle described in this embodiment further includes at least two steel cable pressing plates 9; at least one steel cable pressing plate 9 is fixedly installed on the side of each wire roller 3 facing the reducer 5. Other components and connection relationships are the same as those of the second embodiment.

[0018] Specific implementation method four: Combination Figure 1 To explain this embodiment, the three-stage lifting device for a tank cleaning vehicle described in this embodiment further includes two steel cable rings 14; a steel cable ring 14 is provided on the top of each column of the three-stage gantry 13 facing the pulley 10. Other components and connection relationships are the same as those of the first embodiment.

[0019] Specific implementation method five: Combination Figure 1 To explain this embodiment, the three-stage lifting device for a tank cleaning vehicle described in this embodiment further includes a transverse sealing beam 15, which is arranged on the top of the three-stage gantry 13, and the two ends of the transverse sealing beam 15 are respectively fixedly connected to the upper ends of the two columns of the three-stage gantry 13. Other components and connection relationships are the same as those of the first embodiment.

[0020] Specific implementation method six: Combination Figure 1 To explain this embodiment, the three-stage lifting device for a tank cleaning vehicle described in this embodiment further includes four baffles 16; a baffle 16 is provided on the top of each column of the first-stage gantry 11, and a baffle 16 is provided on the top of each column of the second-stage gantry 12. Other components and connection relationships are the same as those of the first embodiment.

[0021] Specific implementation method seven: Combination Figure 1 To explain this embodiment, the three-stage lifting device for a tank cleaning vehicle described in this embodiment further includes two limit stops 17; the inner side of the lower part of each column of the three-stage gantry 13 is provided with a limit stop 17. Other components and connection relationships are the same as those of the first embodiment.

[0022] How it works

[0023] When in use, one end of the steel cable is fixedly connected to the wire roller 3, and the other end of the steel cable passes through the pulley 10 on the corresponding first-level gantry 11 and the pulley 10 on the second-level gantry 12 in sequence, and then is fixedly connected to the steel cable lifting ring 14 at the upper end of the third-level gantry 13. The input shaft of the reducer 5 is coaxially fixedly connected to the motor shaft of the motor, and the two wire rollers 3 are driven to rotate forward and reverse by the forward and reverse rotation of the motor, thereby realizing the lifting and lowering movement of the second-level gantry 12 and the third-level gantry 13 by pulling the steel cable.

[0024] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent replacement and improvement of the above embodiments made according to the technical essence of the present invention, within the spirit and principles of the present invention, without departing from the content of the technical solution of the present invention, still fall within the protection scope of the technical solution of the present invention.

Claims

1. A three-stage lifting device for a tank cleaning vehicle, characterized in that: The three-stage lifting device for a tank cleaning vehicle comprises a base (1), a wire roller mechanism, a primary gantry (11), a secondary gantry (12), a tertiary gantry (13) and eight pulleys (10); the primary gantry (11), the secondary gantry (12) and the tertiary gantry (13) are arranged side by side, the bottom of the primary gantry (11) is fixedly mounted on the base (1), the secondary gantry (12) is arranged inside the primary gantry (11), and the secondary gantry (12) is arranged in a The outer side of the column is slidably connected to the inner side of the column of the first-stage gantry (11); the third-stage gantry (13) is arranged in the second-stage gantry (12); and the outer side of the column of the third-stage gantry (13) is slidably connected to the inner side of the column of the second-stage gantry (12); the upper and lower parts of each column of the first-stage gantry (11) are provided with pulleys (10); the upper and lower parts of each column of the second-stage gantry (12) are provided with pulleys (10); and the line roller mechanism is arranged on the base (1).

2. The three-stage lifting device for a tank cleaning vehicle according to claim 1 is characterized in that: The line roller mechanism comprises two line roller frames (2), two line rollers (3), a left line roller shaft (4), a reducer (5), a reducer frame (6), a right line roller shaft (7) and a driving base (8); the driving base (8) is fixedly mounted on the base (1); the two line roller frames (2) are symmetrically mounted on the driving base (8); each left line roller shaft (4) and right line roller shaft (7) are arranged between the two line rollers (3) in a straight line; the left end of the left line roller shaft (4) is rotatably connected to one line roller frame (2); the right end of the left line roller shaft (4) is coaxially fixedly connected to the output shaft of the reducer (5); the left end of the right line roller shaft (7) is coaxially fixedly connected to the output shaft of the reducer (5); the right end of the right line roller shaft (7) is rotatably connected to the other line roller frame (2); one line roller (3) is coaxially fixedly sleeved on the left end of the left line roller shaft (4); and the other line roller (3) is coaxially fixedly sleeved on the right end of the right line roller shaft (7).

3. The three-stage lifting device for a tank cleaning vehicle according to claim 2 is characterized in that: The wire roller mechanism also includes at least two steel cable pressing plates (9); at least one steel cable pressing plate (9) is fixedly mounted on the side of each wire roller (3) facing the reducer (5).

4. The three-stage lifting device for a tank cleaning vehicle according to claim 1 is characterized in that: The three-stage lifting device for a tank cleaning vehicle further comprises two steel cable rings (14); a steel cable ring (14) is provided on the top of each column of the three-stage gantry (13) on one side facing the pulley (10).

5. The three-stage lifting device for a tank cleaning vehicle according to claim 1 is characterized in that: The three-stage lifting device for a tank cleaning vehicle further comprises a transverse sealing beam (15), which is arranged on the top of the three-stage gantry (13), and the two ends of the transverse sealing beam (15) are respectively fixedly connected to the upper ends of two columns of the three-stage gantry (13).

6. The three-stage lifting device for a tank cleaning vehicle according to claim 1, characterized in that: The three-stage lifting device for a tank cleaning vehicle further comprises four baffles (16); a baffle (16) is provided on the top of each column of the first-stage gantry (11), and a baffle (16) is provided on the top of each column of the second-stage gantry (12).

7. The three-stage lifting device for a tank cleaning vehicle according to claim 1, characterized in that: The three-stage lifting device for a tank cleaning vehicle further comprises two limit stoppers (17); the inner side of the lower part of each upright column of the three-stage door frame (13) is provided with a limit stopper (17).

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