Double-roller winding device

Abstract

The utility model discloses a double-roller winding plant, which comprises a base, a speed reducer, roller brackets, rollers, a brake disc, a motor and a first brake caliper, the speed reducer is arranged on the base and is provided with two output shafts which oppositely extend out, and the roller brackets are respectively arranged on the upper side of the base and correspond to the two output shafts of the speed reducer. The roller support on each side and the output shaft of the speed reducer on the same side are each provided with a roller, the motor is installed on the base, and the output shaft of the motor is in transmission connection with the input shaft of the speed reducer. Brake discs are mounted at one end or two ends of the roller, and at least one first brake caliper is mounted at the position, corresponding to each brake disc, of the base. The rollers are installed on the two sides of the speed reducer, the motor is installed on one side of the speed reducer, the overall width of the winding equipment is reduced, the brake discs and the corresponding brake calipers are installed on one side or the two sides of the rollers, braking force is larger, redundant design is adopted, and safety during trolley overhauling operation is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technology field especially relates to a double roller hoist device. BACKGROUND

[0002] Cracks and structure joint seepage phenomenon are found in a water conveying tunnel inclined shaft section, the net space of the inclined shaft section reaches 40m, the inclination angle is about 60 degrees, and the flow section is irregular, in view of the actual problems that the maintenance period is limited and the on-site maintenance faces high overhanging, limited operation space and the like, a water conveying gallery maintenance trolley is designed, the maintenance trolley needs to move up and down in the water conveying inclined tunnel, so a traction equipment is needed, therefore, a double roller hoist device is designed in combination with the actual situation on site.

[0003] After retrieval, Chinese patent document CN221644449U, published (announced) date: published (announced) date: 2024.09.03, discloses a double roller hoist, which comprises a base; the upper surface of the base is fixedly connected with roller supports and symmetrically arranged; the side surface of the roller support is fixedly connected with a speed reducer; the side surface of the roller support is rollingly connected with hoist rollers, and the hoist rollers are arranged in pairs; a pair of hoist rollers are fixedly connected with a brake disc; the upper surface of the roller support is fixedly connected with a back plate; the top of the back plate is fixedly connected with a hinge; the hinge is movably connected with pressure plates, and the pressure plates are arranged in pairs; a first spring is fixedly connected to the middle of the pressure plate; a first spring is fixedly connected to the base; the speed reducer drives the hoist roller and the brake disc to rotate, and the steel wire rope is wound on the hoist roller; the pressure plate is pressed on the hoist roller under the tension of the first spring, and the rope is pressed by the pressure plate when winding. Its characteristics are that the pressure plate is pressed on the hoist roller under the tension of the first spring, and the rope is pressed by the pressure plate when winding, which reduces the overlapping winding of the rope; the steel wire rope can be wound more uniformly, the risk of steel wire rope sliding is reduced, and the risk of goods falling is caused; the disadvantages are that: first, the speed reducer is installed on one side of the support, and an integrated structure of a speed reducer and a motor is adopted, which increases the width of the whole hoist, and since the water conveying inclined tunnel is long, longer steel wire rope is needed on the roller, the length of the roller is also longer, and the width of the water conveying tunnel is limited, so that the hoist is not suitable for installation in the water conveying inclined tunnel; second, only one brake disc is provided, and since the maintenance trolley is heavy, there are also equipment and construction personnel on it, only one brake disc is used, the braking force is limited, and there is a great safety risk. SUMMARY

[0004] The problem to be solved by the utility model is to provide a double roller hoist device, which installs rollers on both sides of the speed reducer, installs the motor on one side of the speed reducer, reduces the overall width of the hoist equipment, installs brake discs and corresponding brake calipers on one side or both sides of the roller, has greater braking force, adopts redundant design, and ensures the safety of the maintenance trolley operation.

[0005] In order to achieve the above object, the utility model provides a double roller hoist device, including base, speed reducer, roller support, roller, brake disc, motor and first brake caliper, the speed reducer is installed on the base, and the speed reducer has two opposite output shafts, and the upside of the base is provided with the roller support at the position corresponding to the two output shafts of the speed reducer respectively, and one roller is installed on the output shaft of the same side of each side roller support and the speed reducer, and the motor is installed on the base, and the output shaft of the motor is in transmission connection with the input shaft of the speed reducer, one end or both ends of the roller is provided with the brake disc, and at least one first brake caliper is installed on the base at the position corresponding to each brake disc respectively, and the first brake caliper is used for clamping the brake disc.

[0006] The roller comprises a winding section and extension sections located at both ends of the winding section, the winding section is used for fixing and winding the steel wire rope, and the brake disc is installed on the outside of the extension section through bolts.

[0007] The roller has two winding sections, and the two winding sections are separated by a convex ring.

[0008] The support seat is installed on the roller support, and the encoder is installed on the support seat, and the rotating shaft of the encoder is connected in transmission with the central shaft of the roller.

[0009] The first brake caliper is installed on the base through the first support frame.

[0010] The first brake caliper comprises two brake units, the two brake units are oppositely installed on the first support frame, and the brake disc is located between the two brake units.

[0011] The brake unit comprises a support plate, a hydraulic oil cylinder and a brake pad, one end of the support plate is fixedly installed with the first support frame, and the other end is provided with the hydraulic oil cylinder, the piston rod of the hydraulic oil cylinder extends to the side of the brake disc, and the brake pad is installed on the piston rod of the hydraulic oil cylinder.

[0012] The support plate is provided with a groove on the side where the brake pad is installed, and the brake pad is slidably installed in the groove.

[0013] The output shaft of the motor is connected with the input shaft of the speed reducer through the shaft coupling.

[0014] The shaft coupling is provided with a flange, and the second brake caliper is installed on the base through the second support frame, and the second brake caliper is used for clamping the flange.

[0015] Compared with the prior art, the utility model has the following technical effects:

[0016] 1. The utility model discloses a drum is installed on the both sides of speed reducer, and the motor is installed on one side of speed reducer, reduces the overall width of hoisting equipment, and the brake disc and corresponding brake caliper are installed on one side or both sides of drum, and the braking force is bigger, and adopts redundancy design, guarantees the safety when the maintenance trolley operation.

[0017] 2. The utility model discloses a second brake caliper can brake flange to the output shaft of motor and the input shaft of speed reducer, and the braking effect of whole device is better, and the installation is higher. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below.

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the main view structure schematic diagram of the utility model;

[0021] Figure 3 It is the overhead structure schematic diagram of the utility model.

[0022] Reference signs:

[0023] Base 10, first support frame 11, first brake caliper 12, support plate 121, hydraulic oil cylinder 122, brake pad 123, second support frame 13, second brake caliper 14;

[0024] Speed reducer 20;

[0025] Drum support 30;

[0026] Drum 40, brake disc 41, winding section 401, extension section 402;

[0027] Motor 50;

[0028] Support seat 60, encoder 61;

[0029] Coupling 70, flange 71. DETAILED DESCRIPTION

[0030] The embodiment of the utility model will be described in detail below, the example of the embodiment is shown in the drawings, the embodiment described below by referring to the drawings is exemplary, and is intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0031] Example one:

[0032] Please see Figures 1-3The utility model provides a double drum hoist device, including base 10, speed reducer 20, drum support 30, drum 40, brake disc 41, motor 50 and first brake caliper 12, speed reducer 20 is installed on base 10, and speed reducer 20 has two opposite output shafts, and the upside of base 10 is installed with drum support 30 respectively in the position corresponding to the output shaft of speed reducer 20, and the drum support 30 of each side is installed with a drum 40 on the output shaft of speed reducer 20, and motor 50 is installed on base 10, and the output shaft of motor 50 is connected with the input shaft of speed reducer 20, one end or both ends of drum 40 is installed with brake disc 41, and at least one first brake caliper 12 is installed on base 10 in the position corresponding to each brake disc 41, and first brake caliper 12 is used to clamp brake disc 41.

[0033] By installing drum 40 on the two sides of speed reducer 20, and installing motor 50 on one side of speed reducer 20, the overall width of hoist equipment is reduced, and brake disc 41 and corresponding brake caliper are installed on one side or both sides of drum 40, so that the braking force is larger, and the redundancy design is adopted to ensure the safety during the operation of the maintenance trolley.

[0034] In the embodiment, the installation hole with keyway is arranged at one end of the central axis of drum 40, and the installation hole is used for plug-in connection with the output shaft of speed reducer 20, and the protruding shaft is arranged at the other end of the central axis of drum 40 and is installed in the bearing of drum support 30.

[0035] In the embodiment, first brake caliper 12 can adopt the prior art, for example, the brake caliper in CN221644449U.

[0036] Further, drum 40 includes winding section 401 and extension section 402 arranged at both ends of winding section 401, winding section 401 is used for fixing and winding steel wire rope, and brake disc 41 is installed on the outside of extension section 402 through bolts. Extension section 402 is arranged at both ends of winding section 401 respectively, so that first brake caliper 12 can be prevented from interfering with the winding and unwinding of steel wire rope on winding section 401.

[0037] It should be noted that the diameter of extension section 402 is greater than the diameter of winding section 401, so that the steel wire rope can be wound on winding section 401 in multiple layers. An annular step can also be arranged on the side of extension section 402 close to winding section 401.

[0038] Further, drum 40 has two winding sections 401, and the two winding sections 401 are separated by a convex ring. Through the above structure, two steel wire ropes can be wound and unwound on one drum 40 at the same time.

[0039] Further, a support seat 60 is installed on the roller support 30, and an encoder 61 is installed on the support seat 60. The rotating shaft of the encoder 61 is connected to the central shaft of the roller 40 for transmission, and the encoder 61 is used to detect the rotating speed of the roller 40. The encoder 61 is a prior art and can be purchased on the market.

[0040] Referring to Figure 1 , the first brake caliper 12 is installed on the base 10 through the first support frame 11.

[0041] Further, the first brake caliper 12 includes two brake units, which are oppositely installed on the first support frame 11, and the brake disc 41 is located between the two brake units.

[0042] Further, the brake unit includes a support plate 121, a hydraulic oil cylinder 122, and a brake pad 123. One end of the support plate 121 is fixedly installed with the first support frame 11, and the other end is installed with the hydraulic oil cylinder 122. The piston rod of the hydraulic oil cylinder 122 extends to the side of the brake disc 41, and the brake pad 123 is installed on the piston rod of the hydraulic oil cylinder 122. The brake pad 123 is driven by the two hydraulic oil cylinders 122 to clamp the brake disc 41.

[0043] In order to ensure the stability of the brake pad 123, the support plate 121 is provided with a groove on the side where the brake pad 123 is installed. The brake pad 123 is slidably installed in the groove. The groove is not shown in the figure. In this way, during braking, the groove can limit the brake pad 123 to ensure the stability of the brake pad 123.

[0044] Specifically, the brake pad 123 includes a metal base and a brake lining layer. The brake lining layer is located on one side of the metal base. When the brake lining layer abuts against the brake disc 41, the brake disc 41 is braked. The other side of the metal base is fixedly connected with the extending shaft of the hydraulic oil cylinder 122. During braking operation, the metal base is limited by the groove on the support plate 121, and the stability of the brake pad 123 is better.

[0045] In this embodiment, referring to Figure 1 , the output shaft of the motor 50 is connected with the input shaft of the speed reducer 20 through a shaft coupling 70.

[0046] Embodiment two:

[0047] On the basis of embodiment one, referring to Figure 1 , 3 , a flange 71 is arranged on the shaft coupling 70, a second brake caliper 14 is installed on the base 10 through a second support frame 13, and the second brake caliper 14 is used to clamp the flange 71. The flange 71 can be braked by the second brake caliper 14, so as to brake the output shaft of the motor 50 and the input shaft of the speed reducer 20. The braking effect of the whole device is better, and the installation is higher.

[0048] The second brake caliper 14 also adopts the prior art, which will not be described here.

[0049] In this embodiment, the coupling 70 adopts a star coupling, and the flange 71 is arranged on one half of the coupling 70.

[0050] The working principle or action process of the utility model is as follows:

[0051] When the steel wire rope is reeled in and out, the first brake caliper 12 and the second brake caliper 14 are controlled to be opened, and the drum 40 is driven to rotate by the motor 50.

[0052] When braking is needed, the motor 50 is stopped, and the first brake caliper 12 and the second brake caliper 14 are controlled to clamp the brake disc 41 and the flange 71, respectively.

Claims

1. A double-drum hoist device comprising a base (10), a speed reducer (20), a drum support (30), a drum (40), a brake disc (41), a motor (50), and a first brake caliper (12), characterized in that: The speed reducer (20) is installed on the base (10), the speed reducer (20) has two opposite output shafts, the base (10) is provided with a drum support (30) on the upper side at the position corresponding to the two output shafts of the speed reducer (20), the drum support (30) on each side is provided with a drum (40) on the output shaft of the speed reducer (20) on the same side, a motor (50) is installed on the base (10), and the output shaft of the motor (50) is in transmission connection with the input shaft of the speed reducer (20); one end or both ends of the drum (40) are provided with a brake disc (41), and at least one first brake caliper (12) is installed on the base (10) at the position corresponding to each brake disc (41); the first brake caliper (12) is used for clamping the brake disc (41).

2. A dual drum hoist as claimed in claim 1, wherein: The drum (40) comprises a winding section (401) and an extension section (402) located at both ends of the winding section (401), and the winding section (401) is used for fixing and winding the steel wire rope; the brake disc (41) is installed on the outer side of the extension section (402) through bolts.

3. A dual drum hoist as claimed in claim 1, wherein: The drum (40) has two winding sections (401), and the two winding sections (401) are separated by a convex ring.

4. A dual drum hoist as claimed in claim 1, wherein: A support seat (60) is installed on the drum support (30), an encoder (61) is installed on the support seat (60), and the rotating shaft of the encoder (61) is in transmission connection with the central shaft of the drum (40).

5. A dual drum hoist as claimed in claim 1, wherein: The first brake caliper (12) is installed on the base (10) through a first support frame (11).

6. A dual drum hoist as claimed in claim 5, wherein: The first brake caliper (12) comprises two brake units, the two brake units are oppositely installed on the first support frame (11), and the brake disc (41) is located between the two brake units.

7. A dual drum hoist as claimed in claim 6, wherein: The brake unit comprises a support plate (121), a hydraulic oil cylinder (122) and a brake pad (123), one end of the support plate (121) is fixedly installed on the first support frame (11), the other end is provided with the hydraulic oil cylinder (122), the piston rod of the hydraulic oil cylinder (122) extends to the side of the brake disc (41), and the brake pad (123) is installed on the piston rod of the hydraulic oil cylinder (122).

8. A dual drum hoist as claimed in claim 7, wherein: The support plate (121) is provided with a groove on the side where the brake pad (123) is installed, and the brake pad (123) is slidably installed in the groove.

9. A dual drum hoist as claimed in claim 1, wherein: The output shaft of the motor (50) is connected with the input shaft of the speed reducer (20) through a shaft coupling (70).

10. A dual drum hoist as claimed in claim 9, wherein: The shaft coupling (70) is provided with a flange (71), a second brake caliper (14) is installed on the base (10) through a second support frame (13), and the second brake caliper (14) is used for clamping the flange (71).

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