Transmission mechanism for hose winding

Abstract

The transmission mechanism comprises a driving chain wheel, a plurality of driven chain wheels and a transmission chain, the driving chain wheel is in transmission connection with the output end of a hydraulic motor, and the driven chain wheels are distributed in the circumferential direction of the driving chain wheel. The driven chain wheels are in transmission connection with the driving ends of the hose winding drums through electromagnetic clutches respectively, the electromagnetic clutches are used for controlling transmission connection or disconnection between the driven chain wheels and the driving ends of the hose winding drums, and the transmission chain is connected between the driving chain wheel and the driven chain wheels. Space occupied by arrangement of the hydraulic oil pipe is reduced, assembly and maintenance work of equipment are facilitated, and meanwhile the leakage risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency drainage and rescue, in particular to a transmission mechanism for winding a hose. Background Art

[0002] The existing drainage rescue vehicles all use drainage hose retractable reels. Usually, a drainage hose reel is driven by a hydraulic motor. When multiple reels are arranged at the same time, multiple hydraulic motors will be used. At this time, the layout of the hydraulic oil pipe will take up a lot of space, which increases the difficulty of assembly and maintenance, and also increases the risk of leakage. Summary of the invention

[0003] In view of the above problems existing in the existing drainage hose reel, the present invention aims to provide a hose reeling transmission mechanism which has high stability, occupies less space, is easy to operate and has high applicability.

[0004] The specific technical solutions are as follows:

[0005] A transmission mechanism for winding a hose, comprising:

[0006] A driving sprocket, the driving sprocket is drivingly connected to the output end of the hydraulic motor;

[0007] A plurality of driven sprockets, the plurality of driven sprockets are distributed along the circumference of the driving sprocket, and the plurality of driven sprockets are respectively connected to the driving ends of the plurality of hose reels through an electromagnetic clutch, the electromagnetic clutch is used to control the connection or disconnection of the transmission between the driven sprocket and the driving end of the hose reel;

[0008] A transmission chain is connected between the driving sprocket and a plurality of the driven sprockets.

[0009] As a further improvement and optimization of this solution, it also includes a frame, the hydraulic motor and a plurality of hose reels are mounted on the frame, and an electromagnetic brake is provided between the driven end of each hose reel and the frame for braking the hose reel.

[0010] As a further improvement and optimization of this solution, the hose reel includes a rotating shaft and a cylinder body fixedly mounted on the rotating shaft, the rotating shaft is rotatably mounted on the frame, one end of the rotating shaft is connected to a driven sprocket through the electromagnetic clutch, and the electromagnetic brake is provided between the other end of the rotating shaft and the frame.

[0011] As a further improvement and optimization of the present solution, at least one tensioning sprocket connected to the transmission chain is rotatably provided on the frame.

[0012] As a further improvement and optimization of the present solution, an operating box is also provided on the frame, and the operating box is electrically connected to the hydraulic motor, the electromagnetic clutches, and the electromagnetic brakes, respectively, for controlling the start and stop of the hydraulic motor, the engagement / disengagement of the electromagnetic clutch, and the disengagement / braking of the electromagnetic brake.

[0013] As a further improvement and optimization of the present solution, the operating box operating panel has an action knob on the operating panel, and the action knob is electrically connected to the hydraulic motor for controlling the start and stop of the hydraulic motor and the direction of the output end of the hydraulic motor.

[0014] As a further improvement and optimization of the present solution, the operation panel also has a plurality of selection buttons, and the plurality of selection buttons are electrically connected to the electromagnetic clutches and the electromagnetic brakes on the hose reels, respectively, for controlling the engagement / disengagement of the electromagnetic clutches and the disengagement / braking of the electromagnetic brakes. When the electromagnetic clutch at the driving end of the hose reel is in a disengaged state, the electromagnetic brake at the driven end is in a braking state; when the electromagnetic clutch at the driving end of the hose reel is in an engaged state, the electromagnetic brake at the driven end is in a disengaged state.

[0015] As a further improvement and optimization of the present solution, the operation panel also has an unwinding mark, a stop mark, and a rewinding mark, and the unwinding mark, the stop mark, and the rewinding mark are distributed along the circumference of the action knob.

[0016] Compared with the prior art, the above technical solution has the following positive effects:

[0017] (1) The hydraulic motor in the utility model can drive a plurality of hose reels to rotate through an active sprocket, a plurality of driven sprockets, and a transmission chain. The forward or reverse rotation of the hydraulic motor can realize the unwinding or rewinding action of the drainage hose by the plurality of hose reels. There is no need to match a separate hydraulic motor for each hose reel, which reduces the space occupied by the layout of the hydraulic oil pipes, facilitates the assembly and maintenance of the equipment, and reduces the risk of leakage.

[0018] (2) In the present invention, a plurality of driven sprockets are distributed along the circumference of the driving sprocket, and a corresponding plurality of hose reels are distributed along the circumference of the hydraulic motor, thereby reducing the equipment installation space.

[0019] (3) In the utility model, a plurality of driven sprockets are respectively connected to the driving ends of a plurality of hose reels through an electromagnetic clutch. The plurality of hose reels can achieve the purpose of synchronously rotating with the hydraulic motor by controlling the engagement / disengagement of the electromagnetic clutch installed on the hose reels, and the utility model has high applicability.

[0020] (4) In order to improve the transmission stability of the transmission chain disposed between the driving sprocket and a plurality of driven sprockets in the utility model, at least one tensioning sprocket connected to the transmission chain is rotatably disposed on the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a transmission mechanism for winding a hose according to the utility model;

[0022] Figure 2 It is a side view of a reel of a transmission mechanism for reeling a hose according to the utility model;

[0023] Figure 3 It is a cross-sectional view taken along line AA of a transmission mechanism for winding a hose according to the utility model;

[0024] Figure 4 It is a structural schematic diagram of an operating box of a transmission mechanism for winding a hose according to the utility model;

[0025] In the attached figure: 1. frame; 2. hydraulic motor; 3. driving sprocket; 4. transmission chain; 5. driven sprocket; 6. electromagnetic clutch; 7. hose reel; 8. electromagnetic brake; 9. operation box; 10. tensioning sprocket; 61. slewing flange; 62. slewing shaft; 71. cylinder; 72. rotating shaft; 81. movable section; 82. fixed section; 91. operation panel; 92. selection button; 93. action knob; 911. stop mark; 912. winding mark; 913. unwinding mark. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0027] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Figure 1 This is a schematic diagram of the structure of a transmission mechanism for winding a hose according to the utility model. Figure 2 This is a side view of a reel of a transmission mechanism for reeling a hose according to the utility model. Figure 3 This is a cross-sectional view of the AA section of a transmission mechanism for winding a hose according to the utility model. Figure 4 This is a schematic diagram of the structure of an operating box of a transmission mechanism for winding a hose according to the utility model. Figure 1 As shown, a transmission mechanism for hose winding of a preferred embodiment is shown, including a driving sprocket 3, a plurality of driven sprockets 5 and a transmission chain 4, the driving sprocket 3 is transmission-connected to the output end of the hydraulic motor 2, the plurality of driven sprockets 5 are distributed along the circumference of the driving sprocket 3, and the plurality of driven sprockets 5 are transmission-connected to the driving ends of the plurality of hose reels 7 through an electromagnetic clutch 6, respectively, the electromagnetic clutch 6 is used to control the transmission connection or disconnection between the driven sprocket 5 and the driving end of the hose reel 7, and the transmission chain 4 is connected between the driving sprocket 3 and the plurality of driven sprockets 5.

[0030] In this embodiment, the hydraulic motor 2 can drive the multiple hose reels 7 to rotate through the active sprocket 3, multiple driven sprockets 5, and the transmission chain 4. The multiple hose reels 7 can realize the unwinding or rewinding action of the drainage hose through the forward or reverse rotation of the hydraulic motor 2. There is no need to match a separate hydraulic motor 2 for each hose reel 7, which reduces the space occupied by the layout of the hydraulic oil pipes, facilitates the assembly and maintenance of the equipment, and reduces the risk of leakage.

[0031] In this embodiment, a plurality of driven sprockets 5 are distributed along the circumference of the driving sprocket 3, and a corresponding plurality of hose reels 7 are distributed along the circumference of the hydraulic motor 2, thereby reducing the equipment installation space.

[0032] In this embodiment, a plurality of driven sprockets 5 are respectively connected to the driving ends of a plurality of hose reels 7 through an electromagnetic clutch 6. The plurality of hose reels 7 can achieve the purpose of synchronous rotation with the hydraulic motor 2 by controlling the engagement / disengagement of the electromagnetic clutch 6 installed on themselves, and has high applicability.

[0033] Furthermore, as a preferred embodiment, the transmission mechanism also includes a frame 1, the hydraulic motor 2 and a plurality of hose reels 7 are mounted on the frame 1, and an electromagnetic brake 8 is provided between the driven end of each hose reel 7 and the frame 1 for braking the hose reel 7.

[0034] In this embodiment, when the hose reel 7 does not need to be unwound / rewound and the electromagnetic clutch 6 is in a disengaged state, the hose reel 7 can be braked by the corresponding electromagnetic brake 8 to avoid self-rotation of several reels and improve stability.

[0035] Furthermore, as a preferred embodiment, the hose reel 7 includes a rotating shaft 72 and a cylinder body 71 fixedly mounted on the rotating shaft 72, the rotating shaft 72 is rotatably mounted on the frame 1, one end of the rotating shaft 72 is connected to a driven sprocket 5 through an electromagnetic clutch 6, and an electromagnetic brake 8 is provided between the other end of the rotating shaft 72 and the frame 1.

[0036] Furthermore, as a preferred embodiment, in order to improve the transmission stability of the transmission chain 4 disposed between the driving sprocket 3 and the plurality of driven sprockets 5 , at least one tensioning sprocket 10 connected to the transmission chain 4 is rotatably disposed on the frame 1 .

[0037] Furthermore, as a preferred embodiment, an operating box 9 is also provided on the frame 1, and the operating box 9 is electrically connected to the hydraulic motor 2, a plurality of electromagnetic clutches 6, and a plurality of electromagnetic brakes 8, respectively, for controlling the start and stop of the hydraulic motor 2, the engagement / disengagement of the electromagnetic clutch 6, and the disengagement / braking of the electromagnetic brake 8.

[0038] Furthermore, as a preferred embodiment, the operating box 9 has an operating panel 91, and the operating panel 91 has an action knob 93, which is electrically connected to the hydraulic motor 2 and is used to control the start and stop of the hydraulic motor 2 and the direction of the output end of the hydraulic motor 2.

[0039] Furthermore, as a preferred embodiment, in order to facilitate the operator to select the corresponding hose reel 7 for operation, the operation panel 91 also has a plurality of selection buttons 92, and the plurality of selection buttons 92 are electrically connected to the electromagnetic clutches 6 and the electromagnetic brakes 8 on the plurality of hose reels 7, respectively, for controlling the engagement / disengagement of the electromagnetic clutch 6 and controlling the disengagement / braking of the electromagnetic brake 8. When the electromagnetic clutch 6 at the driving end of the hose reel 7 is in a disengaged state and the electromagnetic brake 8 at the driven end is in a braking state, when the electromagnetic clutch 6 at the driving end of the hose reel 7 is in an engaged state and the electromagnetic brake 8 at the driven end is in a disengaged state.

[0040] Furthermore, as a preferred embodiment, in order to facilitate the operator to operate the working status of the hose reel 7, the operation panel 91 also has an unwinding mark 913, a stop mark 911, and a rewinding mark 912. The unwinding mark 913, the stop mark 911, and the rewinding mark 912 are distributed along the circumference of the action knob 93.

[0041] Preferably, the electromagnetic clutch 6 and the electromagnetic brake 8 are both existing conventional technologies. The electromagnetic clutch 6 is connected to the driven sprocket 5 through a key structure and is movably mounted on a swivel flange 61 outside the driving end of the hose reel 7, a swivel shaft 62 mounted outside the driving end of the hose reel 7, and a fixed distributor provided on the swivel shaft 62. When the electromagnetic clutch 6 is energized, the swivel shaft 62 is connected to the swivel flange 61. At this time, the electromagnetic clutch 6 is in a coupled state, and the driven sprocket 5 is connected to the driving end of the hose reel 7 through a transmission connection; the electromagnetic brake 8 includes a fixed section 82 and a movable section 81. The movable section 81 is connected to the driven end of the hose reel 7 through a flat key, and the fixed section 82 is fixed on the frame 1. When the electromagnetic brake 8 is energized, the fixed section 82 is attracted to the movable section 81. At this time, the electromagnetic brake 8 is in a braking state and produces a braking effect with the driven end of the hose reel 7.

[0042] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A transmission mechanism for winding a hose, characterized in that: include: A driving sprocket, the driving sprocket is drivingly connected to the output end of the hydraulic motor; A plurality of driven sprockets, the plurality of driven sprockets are distributed along the circumference of the driving sprocket, and the plurality of driven sprockets are respectively connected to the driving ends of the plurality of hose reels through an electromagnetic clutch, the electromagnetic clutch is used to control the connection or disconnection of the transmission between the driven sprocket and the driving end of the hose reel; A transmission chain is connected between the driving sprocket and a plurality of the driven sprockets.

2. The transmission mechanism for hose winding according to claim 1, characterized in that: It also includes a frame, the hydraulic motor and a plurality of hose reels are mounted on the frame, and an electromagnetic brake is provided between the driven end of each hose reel and the frame for braking the hose reel.

3. The transmission mechanism for hose winding according to claim 2, characterized in that: The hose reel includes a rotating shaft and a cylinder body fixedly mounted on the rotating shaft. The rotating shaft is rotatably mounted on the frame. One end of the rotating shaft is connected to a driven sprocket through the electromagnetic clutch. The electromagnetic brake is arranged between the other end of the rotating shaft and the frame.

4. The transmission mechanism for hose winding according to claim 2, characterized in that: The frame is also rotatably provided with at least one tensioning sprocket connected with the transmission chain.

5. The transmission mechanism for hose winding according to claim 2, characterized in that: The frame is also provided with an operating box, which is electrically connected to the hydraulic motor, the electromagnetic clutches and the electromagnetic brakes respectively, and is used to control the start and stop of the hydraulic motor, the engagement / disengagement of the electromagnetic clutch, and the disengagement / braking of the electromagnetic brake.

6. The transmission mechanism for hose winding according to claim 5, characterized in that: The operation box operation panel has an action knob on the operation panel. The action knob is electrically connected to the hydraulic motor and is used to control the start and stop of the hydraulic motor and the direction of the output end of the hydraulic motor.

7. The transmission mechanism for winding up the hose according to claim 6, characterized in that: The operation panel also has several selection buttons, which are electrically connected to the electromagnetic clutches and electromagnetic brakes on the hose reels respectively, and are used to control the engagement / disengagement of the electromagnetic clutches and the disengagement / braking of the electromagnetic brakes. When the electromagnetic clutch at the driving end of the hose reel is in a disengaged state, the electromagnetic brake at the driven end is in a braking state; when the electromagnetic clutch at the driving end of the hose reel is in an engaged state, the electromagnetic brake at the driven end is in a disengaged state.

8. The transmission mechanism for hose winding according to claim 6, characterized in that: The operation panel also has an unwinding mark, a stop mark, and a rewinding mark, and the unwinding mark, the stop mark, and the rewinding mark are distributed along the circumference of the action knob.

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