Novel double-roller lifting, maintaining and mounting mechanism

Abstract

The utility model discloses a novel double-roller lifting maintenance and installation mechanism which comprises a rack, a first winding drum, a second winding drum, a first driven gear, a second driven gear, an input gear shaft, a speed reducer and a motor. The first winding drum and the second winding drum are rotatably mounted on the rack and are arranged left and right, and the mounting height of the first winding drum is higher than that of the second winding drum; the first driven gear is fixed to the rear end face of the first winding drum and is coaxial with the first winding drum. The motor is used for directly driving the speed reducer to operate, then the speed reducer is used for driving the input gear shaft to rotate through the coupler, then the input gear shaft is used for driving the first driven gear and the second driven gear, and finally the first winding drum and the second winding drum rotate at the same time to take up and pay off the steel wire rope. And the mounting height of the first winding drum is higher than that of the second winding drum, so that the mechanism can stably lift an object on a slope, and convenience is brought to mounting and maintenance.

Description

Technical Field

[0001] The utility model relates to the technology of mechanical equipment field, in particular to a novel double-drum lifting, maintenance and installation mechanism. Background Art

[0002] When installing and repairing large equipment, it is often necessary to use a lifting mechanism to hoist objects. The existing lifting mechanism is generally a single-drum lifting mechanism, and its main structure includes a frame, a drum, a reducer and a motor. The drum is rotatably arranged on the frame, and the drum is used to retract and release the wire rope. The reducer and the motor are both arranged on the frame. The motor drives the reducer to operate through the reducer, and the reducer drives the drum to rotate, thereby realizing the retraction and release of the wire rope.

[0003] However, in the prior art, for some large equipment with special requirements, it is necessary to install and repair objects on a slope, and the existing single-drum lifting mechanism cannot stably lift them, which brings inconvenience to installation and maintenance. Therefore, it is necessary to study a solution to solve the above problem. Utility Model Content

[0004] In view of this, the utility model aims to solve the deficiencies in the prior art, and its main purpose is to provide a novel double-drum lifting, maintenance and installation mechanism, which can effectively solve the problem that the existing lifting mechanism cannot stably lift objects on a slope.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel double-drum lifting, maintenance and installation mechanism comprises a frame, a first drum, a second drum, a first driven gear, a second driven gear, an input gear shaft, a reducer and a motor; the first drum and the second drum are both rotatably mounted on the frame, the first drum and the second drum are arranged left and right, and the installation height of the first drum is higher than the installation height of the second drum; the first driven gear is fixed to the rear end face of the first drum and is coaxially arranged with the first drum; the second driven gear is fixed to the rear end face of the second drum and is coaxially arranged with the second drum; the input gear shaft is rotatably mounted on the frame and is located between the first drum and the second drum, and a gear pair is provided on the input gear shaft, and the gear pair is meshed with the first driven gear and the second driven gear; the reducer is fixed to the rear side of the frame, and the output end of the reducer is connected to the rear end of the input gear shaft through a coupling; the motor is fixed to the housing of the reducer and drives the reducer to operate.

[0007] Preferably, the frame includes a base frame, a bracket and a mounting plate; the bracket is fixed to the base frame by fixing pins, the mounting plate is welded and fixed to the bracket and extends upward, and the reducer is fixed to the bracket by connecting bolts.

[0008] Preferably, a first bearing seat is provided on the bracket, a second bearing seat is provided on the mounting plate, and the first reel is connected and supported by the first bearing seat and the second bearing seat through a bearing structure.

[0009] Preferably, a rotary encoder is provided on the first bearing seat, and the rotary encoder is connected to the first reel.

[0010] Preferably, a third bearing seat is provided on the bracket, a fourth bearing seat is provided on the mounting plate, and the second reel is connected and supported by the third bearing seat and the fourth bearing seat via a bearing structure.

[0011] Preferably, a fifth bearing seat is provided on the bracket, a sixth bearing seat is provided on the mounting plate, and the input gear shaft is connected and supported by the fifth bearing seat and the sixth bearing seat through a bearing structure.

[0012] Preferably, a fall arrester is provided on the mounting plate, and the fall arrester is meshedly connected with the first driven gear via a transmission gear.

[0013] Preferably, a first protective cover is provided on the bracket, and the first protective cover covers the first reel, the second reel, the first driven gear, the second driven gear and the input gear shaft. A second protective cover and a third protective cover are provided on the first protective cover, and the second protective cover covers the anti-fall device, and the third protective cover covers the reducer and the motor.

[0014] Preferably, the first driven gear is fixed to the rear end surface of the first reel by a plurality of first bolts, and the outer diameter of the first driven gear is greater than the outer diameter of the first reel.

[0015] Preferably, the second driven gear is fixed to the rear end surface of the second reel by a plurality of second bolts, and the outer diameter of the second driven gear is greater than the outer diameter of the second reel.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0017] The motor is used to directly drive the reducer to operate, and the reducer is used to drive the input gear shaft to rotate through the coupling, and then the input gear shaft is used to drive the first driven gear and the second driven gear, and finally the first drum and the second drum are rotated at the same time to retract and release the wire rope. In addition, the installation height of the first drum is higher than the installation height of the second drum, so that the mechanism can stably lift objects on a slope, which brings convenience to installation and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the utility model;

[0019] Figure 2 It is a front view of a preferred embodiment of the utility model;

[0020] Figure 3 It is a top view of a preferred embodiment of the utility model.

[0021] Description of the accompanying drawings:

[0022] 10. Frame 11. Base frame

[0023] 12. Bracket 13. Mounting plate

[0024] 14. Fixing pin 101, first bearing seat

[0025] 102, second bearing seat 103, third bearing seat

[0026] 104, fourth bearing seat 105, fifth bearing seat

[0027] 106, sixth bearing seat 21, first reel

[0028] 22. Second reel 31. First driven gear

[0029] 32. Second driven gear 33. Input gear shaft

[0030] 331, gear pair 34, first bolt

[0031] 35. Second bolt 40. Reducer

[0032] 41. Coupling 42. Box

[0033] 50. Motor 61. Rotary encoder

[0034] 62. Fall arrester 621. Transmission gear

[0035] 63. First protective cover 64. Second protective cover

[0036] 65. The third protective shield. DETAILED DESCRIPTION

[0037] Please refer to Figures 1 to 3 As shown, it shows the specific structure of a preferred embodiment of the utility model, including a frame 10, a first reel 21, a second reel 22, a first driven gear 31, a second driven gear 32, an input gear shaft 33, a reducer 40 and a motor 50.

[0038] The frame 10 includes a base frame 11, a bracket 12 and a mounting plate 13; the bracket 12 is fixed to the base frame 11 by a fixing pin 14, the mounting plate 13 is welded and fixed to the bracket 12 and extends upward, and is firmly installed. The mounting plate 13 is located at the rear edge of the bracket 12, and the bearing seat mounting hole on the mounting plate 13 is formed by one-time processing, which improves the installation accuracy between gears. In addition, a first bearing seat 101 is arranged on the bracket 12, and a second bearing seat 102 is arranged on the mounting plate 13; a third bearing seat 103 is arranged on the bracket 12, a fourth bearing seat 104 is arranged on the mounting plate 13, a fifth bearing seat 105 is arranged on the bracket 12, and a sixth bearing seat 106 is arranged on the mounting plate 13. Furthermore, the first bearing seat 101, the third bearing seat 103 and the fifth bearing seat 105 are all fixed to the bracket 12 by multiple bolts, and the second bearing seat 102, the fourth bearing seat 104 and the sixth bearing seat 106 are all fixed to the mounting plate 13 by multiple bolts, which makes disassembly and assembly easy.

[0039] The first drum 21 and the second drum 22 are both rotatably mounted on the frame 10, the first drum 21 and the second drum 22 are arranged left and right, and the installation height of the first drum 21 is higher than the installation height of the second drum 22, and the wire rope is output at the end of the first drum 21 with a higher installation height. In this embodiment, the first drum 21 is connected and supported by the first bearing seat 101 and the second bearing seat 102 through a bearing structure, and is firmly installed. The second drum 22 is connected and supported by the third bearing seat 103 and the fourth bearing seat 104 through a bearing structure, and is firmly installed.

[0040] The first driven gear 31 is fixed to the rear end face of the first reel 21 and is coaxially arranged with the first reel 21; the second driven gear 32 is fixed to the rear end face of the second reel 22 and is coaxially arranged with the second reel 22; the input gear shaft 33 is rotatably mounted on the frame 10 and is located between the first reel 21 and the second reel 22, and the input gear shaft 33 has a gear pair 331, and the gear pair 331 is meshed with the first driven gear 31 and the second driven gear 32. In this embodiment, the first driven gear 31 is fixed to the rear end face of the first reel 21 by a plurality of first bolts 34, and the outer diameter of the first driven gear 31 is greater than the outer diameter of the first reel 21. The second driven gear 32 is fixed to the rear end face of the second reel 22 by a plurality of second bolts 35, and the outer diameter of the second driven gear 32 is greater than the outer diameter of the second reel 22. The input gear shaft 33 is connected and supported by the fifth bearing seat 105 and the sixth bearing seat 106 through a bearing structure, and is firmly installed.

[0041] The reducer 40 is fixed to the rear side of the frame 10, and the output end of the reducer 40 is connected to the rear end of the input gear shaft 33 through a coupling 41. The coupling 41 can avoid the influence of the cumulative error of assembly processing on the cumulative transmission error of the input gear shaft 33; the motor 50 is fixed to the housing 42 of the reducer 40 and drives the reducer 40 to operate. In this embodiment, the reducer 40 is fixed to the bracket 12 by connecting bolts. The coupling 41 connects the reducer 40 to the input gear shaft 33 by key connection.

[0042] The first bearing seat 101 is provided with a rotary encoder 61, which is connected to the first reel 21 and is used to monitor the output signal of the first reel 21. The mounting plate 13 is provided with an anti-drop device 62, which is meshed and connected with the first driven gear 31 through a transmission gear 621. When the drive fails and the speed of the first reel 21 exceeds a certain limited speed, the anti-drop device 62 is locked and the first reel 21 is stuck to prevent the object from falling. The anti-drop device 62 is fixed to the mounting plate 13 by bolts.

[0043] In addition, a first protective cover 63 is provided on the bracket 12, and the first protective cover 63 covers the first reel 21, the second reel 22, the first driven gear 31, the second driven gear 32 and the input gear shaft 33. A second protective cover 64 and a third protective cover 65 are provided on the first protective cover 63, and the second protective cover 64 covers the anti-fall device 62, and the third protective cover 65 covers the reducer 40 and the motor 50. They can be disassembled separately for convenient maintenance of the driving parts. Each protective cover is used to protect the mechanism from the influence of the external environment.

[0044] The working principle of this embodiment is described in detail as follows:

[0045] During operation, the motor 50 is fixed on the housing 42 of the reducer 40 in a direct connection manner, and the output force is transmitted to the coupling 41 through the reducer 40. The coupling 41 drives the input gear shaft 33 to rotate, and the input gear shaft 33 drives the first driven gear 31 to operate through the gear pair 331. The first driven gear 31 is fixed to the first drum 21 through the first bolt 34, thereby driving the first drum 21 to retract and release the wire rope for lifting operations. At the same time, the input gear shaft 33 drives the second driven gear 32 to operate through the gear pair 331, and the second driven gear 32 is fixed to the second drum 22 through the second bolt 35, thereby driving the second drum 22 to reel in the wire rope for lifting operations.

[0046] The design focus of the utility model is: by using the motor to directly drive the reducer to operate, and then using the reducer to drive the input gear shaft to rotate through the coupling, and then using the input gear shaft to drive the first driven gear and the second driven gear, finally the first drum and the second drum are rotated at the same time to retract and release the wire rope, and the installation height of the first drum is higher than the installation height of the second drum, so that the mechanism can stably lift objects on a slope, which brings convenience to installation and maintenance.

[0047] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A new type of double-drum lifting maintenance installation mechanism, characterized by: The invention comprises a frame, a first reel, a second reel, a first driven gear, a second driven gear, an input gear shaft, a reducer and a motor; the first reel and the second reel are both rotatably mounted on the frame, the first reel and the second reel are arranged left and right, and the installation height of the first reel is higher than the installation height of the second reel; the first driven gear is fixed to the rear end face of the first reel and is coaxially arranged with the first reel; the second driven gear is fixed to the rear end face of the second reel and is coaxially arranged with the second reel; the input gear shaft is rotatably mounted on the frame and is located between the first reel and the second reel, and a gear pair is provided on the input gear shaft, and the gear pair is meshed with the first driven gear and the second driven gear; the reducer is fixed to the rear side of the frame, and the output end of the reducer is connected to the rear end of the input gear shaft through a coupling; the motor is fixed to the housing of the reducer and drives the reducer to operate.

2. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 1, characterized in that: The frame includes a base frame, a bracket and a mounting plate; the bracket is fixed to the base frame through a fixing pin, the mounting plate is welded and fixed to the bracket and extends upward, and the reducer is fixed to the bracket through connecting bolts.

3. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 2, characterized in that: The bracket is provided with a first bearing seat, the mounting plate is provided with a second bearing seat, and the first reel is connected and supported by the first bearing seat and the second bearing seat through a bearing structure.

4. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 3, characterized in that: A rotary encoder is arranged on the first bearing seat, and the rotary encoder is connected to the first reel.

5. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 2, characterized in that: The bracket is provided with a third bearing seat, the mounting plate is provided with a fourth bearing seat, and the second reel is connected and supported by the third bearing seat and the fourth bearing seat via a bearing structure.

6. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 2, characterized in that: The bracket is provided with a fifth bearing seat, the mounting plate is provided with a sixth bearing seat, and the input gear shaft is connected and supported by the fifth bearing seat and the sixth bearing seat through a bearing structure.

7. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 2, characterized in that: The mounting plate is provided with a fall arrester which is meshedly connected with the first driven gear via a transmission gear.

8. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 7, characterized in that: The bracket is provided with a first protective cover, which covers the first drum, the second drum, the first driven gear, the second driven gear and the input gear shaft. The first protective cover is provided with a second protective cover and a third protective cover, the second protective cover covers the anti-fall device, and the third protective cover covers the reducer and the motor.

9. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 1, characterized in that: The first driven gear is fixed to the rear end surface of the first reel through a plurality of first bolts, and the outer diameter of the first driven gear is greater than the outer diameter of the first reel.

10. A novel double-drum lifting, maintenance and installation mechanism as claimed in claim 1, characterized in that: The second driven gear is fixed to the rear end surface of the second reel through a plurality of second bolts, and the outer diameter of the second driven gear is greater than the outer diameter of the second reel.

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