Static conductive wire reel

Abstract

The utility model relates to the technical field of static conductive wires, in particular to a static conductive wire reel which comprises an installation frame, a rotating shaft and a winding reel, the rotating shaft is arranged on the installation frame, and the winding reel is arranged on the rotating shaft in a sleeved mode and rotationally connected with the rotating shaft. The device further comprises a main gear and an auxiliary gear, the main gear is arranged on the winding reel, and the main gear and the winding reel are coaxially arranged. The auxiliary gear is rotationally connected with the mounting frame, and the main gear is connected with the auxiliary gear in a meshed mode. Through tooth surface static friction generated by meshing of the main gear and the auxiliary gear, the winding reel is not prone to moving in the axial direction of the rotating shaft when rotating, the provided resistance value is more stable, and the maintenance frequency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of static-conducting wires, and more particularly to a static-conducting wire reel. Background Art

[0002] During the delivery, reception, and transfer of fuel, the friction between the oil flow and the pipeline walls, valves, filters, tank walls, and air generates a significant amount of static electricity. If the electric field strength reaches a certain level, it can instantly break through the air and cause a flashover. If the oil vapor concentration reaches a certain level, it can cause a deflagration, creating a dangerous situation. Therefore, in daily operations, a static discharge line is connected to a designated location on the aircraft using a refueling truck. This ensures that the potential of the refueling truck and the aircraft are the same, preventing discharges caused by potential differences. To ensure the stability of the static discharge line's resistance, the static discharge line reel requires frequent maintenance.

[0003] Prior art discloses a static-discharge wire reel that secures the connection between a connecting tube and a conductive shaft through a snap-fit ​​mechanism. This eliminates the need for a stopper to rotate the connecting tube; a direct connection is sufficient. To disassemble, the pull rod is pulled, which, via a slide bar and an inclined slot, drives the stop block away from the connecting rod, releasing the restraint and enabling quick and easy disassembly. This device facilitates disassembly and maintenance of the static-discharge wire reel, but it does not fundamentally address the problem. The static-discharge wire reel is prone to axial movement during rotation, resulting in unstable resistance values. Utility Model Content

[0004] The purpose of the present utility model is to overcome the shortcomings of the prior art that the static-conducting wire reel is prone to axial movement during rotation, resulting in unstable resistance value, and to provide a static-conducting wire reel that is not easily moved axially during rotation, providing a more stable resistance value and reducing maintenance frequency.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] Provided is a static-conducting wire reel, comprising a mounting frame, a rotating shaft, and a winding drum, wherein the rotating shaft is arranged on the mounting frame, and the winding drum is sleeved on the rotating shaft and is rotatably connected to the rotating shaft; further comprising a main gear and a sub-gear, wherein the main gear is arranged on the winding drum and is coaxially arranged with the winding drum; the sub-gear is rotatably connected to the mounting frame, and the main gear is meshed with the sub-gear.

[0007] The utility model discloses a static-dissipating wire reel, in which the static-dissipating wire is wound on a reel. When the reel rotates, the reel rotates around the rotating shaft, driving the main gear to rotate. The main gear meshes with the sub-gear, driving the sub-gear to rotate. During the gear transmission process, a force that hinders relative motion is generated when the tooth surfaces of the main gear and the sub-gear come into contact. The friction force of gear meshing is the basis for the transmission of power by the gears. Without sufficient friction, the gears cannot effectively transmit torque and power. At the same time, friction helps the gears maintain meshing and prevents them from slipping under high speed or heavy load conditions. The roughness of the tooth surface will affect the friction coefficient and thus the magnitude of the friction force. Tooth surface friction can be divided into static friction and dynamic friction. Static friction refers to the friction force that prevents the gears from moving before the gears start to mesh, while dynamic friction refers to the friction force required to maintain motion after the gears mesh. The static friction of the tooth surfaces generated by the meshing of the main gear and the sub-gear prevents the reel from moving along the axial direction of the rotating shaft during rotation, providing a more stable resistance value and reducing the frequency of maintenance.

[0008] Furthermore, the device includes a tapered roller bearing and a compression assembly for adjusting the rotational friction of the tapered roller bearing. The tapered roller bearing is mounted on the mounting frame, the pinion is rotationally connected to the mounting frame via the tapered roller bearing, and the compression assembly is mounted on the tapered roller bearing. The compression assembly adjusts the rotational friction of the tapered roller bearing, reducing the rotation speed of the winding drum, ensuring smoother rotation of the winding drum and preventing rapid rotation, thereby maintaining a more stable resistance value.

[0009] Furthermore, the invention further includes a connecting sleeve mounted on the mounting frame. The tapered roller bearing includes an outer ring and an inner ring rotatably connected to the outer ring. The outer ring and the connecting sleeve are axially slidably connected to each other. The inner ring is mounted on the pinion. The pressing assembly is mounted on the inner ring and abuts the outer ring. The pressing assembly can move the outer ring of the tapered roller bearing toward the inner ring, increasing the friction between the inner and outer rings, reducing the rotation speed of the winding drum, ensuring smoother rotation of the winding drum, and preventing rapid rotation of the winding drum, thereby stabilizing the resistance value.

[0010] Furthermore, the compression assembly includes a screw, a nut, and a compression spring. The screw is connected to the inner ring, the nut is threadedly connected to the screw, and the compression spring is sleeved on the screw, with its ends respectively connected to the outer ring and the nut. By rotating the nut, the nut moves on the screw, thereby changing the compression degree of the compression spring, and the degree of pressure on the outer ring can be flexibly adjusted.

[0011] Furthermore, the number of teeth of the main gear is greater than that of the secondary gear. The rotation of the secondary gear is decelerated by the pressing assembly, thereby achieving a better deceleration effect on the main gear with more teeth.

[0012] Furthermore, it also includes a wire rack, an adjustment disk and a first fastener, the wire rack is rotatably connected to the mounting frame along the axis of the winding drum; the adjustment disk is provided on the mounting frame and is coaxially arranged with the winding drum; a plurality of first adjustment holes are provided on the circumference of the adjustment disk, and the wire rack is provided with a first fixing hole corresponding to the position of the first adjustment hole; the first fastener is passed through the first adjustment hole and the first fixing hole, and is detachably connected to the first adjustment hole and the first fixing hole. By providing the wire rack, the pulling out of the electrostatic conductive wire is guided, so that the movement of the electrostatic conductive wire can be made more stable and the resistance value can be made more stable. By providing the first adjustment hole, the first fixing hole and the first fastener, the position of the wire rack can be flexibly adjusted, so that the electrostatic conductive wire can be led out from different directions.

[0013] Furthermore, the winding drum includes a rotating drum and a winding drum, wherein the rotating drum is sleeved on the rotating shaft and rotatably connected to the rotating shaft, and the winding drum is detachably connected to the rotating drum, so that the winding drum is easy to disassemble, thereby making the static conductive wire reel easy to maintain.

[0014] Furthermore, both ends of the reel are equipped with a limit plate, which is equipped with a rotating handle. A hand grip is rotatably connected to the outer portion of the handle. The limit plate limits the static-discharge wire wound on the reel, preventing it from falling off the reel. The rotating handle facilitates rotation of the reel, and the hand grip makes rotation even more convenient.

[0015] Furthermore, the device further includes a base and a second fastener. The base is provided with a plurality of second adjustment holes spaced vertically apart, and the mounting bracket is provided with second fixing holes corresponding to the positions of the second adjustment holes. The second fastener is inserted into the second adjustment holes and the second fixing holes and is detachably connected to the second adjustment holes and the second fixing holes. By providing the second adjustment holes, the second fixing holes, and the second fastener, the outlet height can be adjusted as needed.

[0016] Furthermore, a slot is vertically provided on the base, the mounting bracket is inserted into the slot, and a plurality of second adjustment holes are spaced apart along the height direction of the slot. By allowing the mounting bracket to slide in the slot to change the height, the height adjustment can be made more stable.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The utility model is a static conductive wire reel. Through the static friction of the tooth surfaces generated by the engagement of the main gear and the sub-gear, the winding drum is not easily moved along the axial direction of the shaft during rotation, the resistance value provided is more stable, and the maintenance frequency is reduced.

[0019] 2. The utility model provides a static-conducting wire reel. By rotating the nut, the nut moves on the screw rod, thereby changing the compression degree of the compression spring. The degree of compression on the outer ring can be flexibly adjusted, the friction between the inner ring and the outer ring can be changed, and the rotation speed of the winding drum can be reduced, so that the rotation of the winding drum is more stable, thereby making the resistance value more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the static conductive wire reel;

[0021] Figure 2 It is a schematic diagram of the structure of the conductor frame in the electrostatic wire reel;

[0022] Figure 3 yes Figure 2 A magnified view of the structure at point A.

[0023] In the accompanying drawings: 1. Mounting frame; 2. Rotating shaft; 3. Winding reel; 301. Rotating drum; 302. Winding drum; 4. Main gear; 5. Sub-gear; 6. Tapered roller bearing; 7. Connecting sleeve; 8. Pressing assembly; 801. Screw; 802. Nut; 803. Compression spring; 9. Wire rack; 901. Wire port; 10. Adjusting disk; 101. First adjusting hole; 11. First fastener; 12. Limiting disk; 13. Turning handle; 14. Grip sleeve; 15. Base; 151. Second adjusting hole; 152. Slot; 16. Second fastener. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The present invention will be further described below in conjunction with specific implementation methods. Among them, the drawings are only for illustrative purposes and represent only schematic diagrams, not physical drawings, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0025] In the drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating an orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. This 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. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" can explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing in the full text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution in which both A and B are satisfied.

[0026] Example 1

[0027] This embodiment is a first embodiment of a static conductive wire reel. Figure 1 As shown, it includes a mounting frame 1, a rotating shaft 2 and a winding drum 3. The rotating shaft 2 is provided on the mounting frame 1. The rotating shaft 2 is preferably arranged horizontally in this embodiment. The winding drum 3 is sleeved on the rotating shaft 2 and is rotatably connected to the rotating shaft 2; it also includes a main gear 4 and a sub-gear 5. The main gear 4 is provided on the winding drum 3 and is coaxially arranged with the winding drum 3, that is, the rotation of the winding drum 3 will drive the main gear 4 to rotate synchronously around the center of the circle; the sub-gear 5 is rotatably connected to the mounting frame 1, and the main gear 4 is meshed with the sub-gear 5.

[0028] The working principle of the static-conducting wire reel of this embodiment is as follows:

[0029] The static conductive wire is wound around the spool 3. As it rotates, the spool 3 rotates around the shaft 2, driving the main gear 4. This meshes with the pinion 5, driving the pinion 5 in turn. During gear transmission, the contact between the teeth of the main gear 4 and the pinion 5 generates a force that resists relative motion. Gear meshing friction is fundamental to power transmission. Without sufficient friction, the gears cannot effectively transmit torque and power. Friction also helps maintain gear engagement, preventing slippage at high speeds or under heavy loads. The roughness of the tooth surfaces affects the coefficient of friction, and thus the magnitude of friction. Tooth friction can be divided into static friction and dynamic friction. Static friction is the friction that prevents gear movement before meshing begins, while dynamic friction is the friction required to maintain gear movement after meshing. The static friction generated by the meshing of the main gear 4 and the pinion 5 prevents the spool 3 from moving axially along the shaft 2 during rotation, providing a more stable resistance value and reducing maintenance frequency.

[0030] Example 2

[0031] This embodiment proposes a static-conducting wire reel. Based on the first embodiment, in this embodiment, Figure 2 As shown, the apparatus further includes a tapered roller bearing 6 and a pressing assembly 8 for adjusting the rotational friction of the tapered roller bearing 6. The tapered roller bearing 6 is mounted on the mounting frame 1, and the pinion 5 is rotationally connected to the mounting frame 1 via the tapered roller bearing 6. The pressing assembly 8 is mounted and connected to the tapered roller bearing 6. By providing the pressing assembly 8, the rotational friction of the tapered roller bearing 6 is adjusted, the rotation speed of the winding drum 3 is reduced, the rotation of the winding drum 3 is made smoother, and the winding drum 3 is prevented from rotating rapidly, thereby making the resistance value more stable.

[0032] The device also includes a connecting sleeve 7, which is mounted on the mounting frame 1. The tapered roller bearing 6 includes an outer ring and an inner ring rotatably connected to the outer ring. The outer ring and the connecting sleeve 7 are slidably connected along the axial direction of the connecting sleeve 7. The inner ring is mounted on the pinion 5. A pressing assembly 8 is mounted on the inner ring and abuts the outer ring. The pressing assembly 8 can move the outer ring of the tapered roller bearing 6 toward the inner ring, increasing the friction between the inner and outer rings, reducing the rotation speed of the winding drum 3, ensuring smoother rotation and preventing rapid rotation of the winding drum 3, thereby maintaining a more stable resistance value.

[0033] The tapered roller bearing 6 can also use an angular contact ball bearing. The rotation speed of both the tapered roller bearing 6 and the angular contact ball bearing will be affected by the preload force of the inner and outer rings. The inner and outer rings of the bearing are rotatably connected by rollers. Since the inner and outer rings are relatively inclined, the pressure on the rollers will be changed by moving the outer ring toward the inner ring, thereby changing the friction between the inner and outer rings and the rollers, thereby affecting the rotation speed of the bearing.

[0034] like Figure 3As shown, the compression assembly 8 includes a screw 801, a nut 802, and a compression spring 803. The screw 801 is connected to the inner ring, and the nut 802 is threadedly connected to the screw 801. The compression spring 803 is sleeved on the screw 801, with its ends respectively connected to the outer ring and the nut 802. By rotating the nut 802, the nut 802 moves on the screw 801, changing the distance between the nut 802 and the outer ring, and thus changing the compression degree of the compression spring 803, the degree of pressure on the outer ring can be flexibly adjusted.

[0035] like Figure 1 As shown, the main gear 4 has more teeth than the sub-gear 5. In this embodiment, the gear ratio of the main gear 4 to the sub-gear 5 is 2:1. The rotation of the sub-gear 5 is decelerated by the pressing assembly 8, thereby achieving a better deceleration effect on the main gear 4 having a larger number of teeth.

[0036] like Figure 2 As shown, the device further includes a wire rack 9, which is rotatably connected to the mounting frame 1 along the axial direction of the winding drum 3. The wire rack 9 is provided with a wire opening 901 for the static conductive wire to pass through. The provision of the wire opening 901 guides the pulling out of the static conductive wire, thereby making the movement of the static conductive wire more stable and the resistance value more stable.

[0037] It also includes an adjusting disk 10 and a first fastener 11. The adjusting disk 10 is provided on the mounting frame 1 and is coaxially arranged with the winding drum 3. A plurality of first adjusting holes 101 are provided on the circumference of the adjusting disk 10, and a first fixing hole corresponding to the position of the first adjusting hole 101 is provided on the wire rack 9. The first fastener 11 is passed through the first adjusting hole 101 and the first fixing hole, and is detachably connected to the first adjusting hole 101 and the first fixing hole. By providing the wire rack 9, the pulling out of the electrostatic conductive wire is guided, so that the movement of the electrostatic conductive wire can be made more stable and the resistance value can be made more stable. By providing the first adjusting hole 101, the first fixing hole and the first fastener 11, the position of the wire rack 9 can be flexibly adjusted, so that the electrostatic conductive wire can be led out from different directions.

[0038] Example 3

[0039] This embodiment proposes a static conductive wire reel, based on the first or second embodiment, in this embodiment, as Figure 2 As shown, the winding drum 3 includes a rotating drum 301 and a winding drum 302. The rotating drum 301 is sleeved on the rotating shaft 2 and is rotatably connected to the rotating shaft 2. The winding drum 302 is detachably connected to the rotating drum 301. The winding drum 302 is easy to disassemble, thereby making the static conductive wire reel easy to maintain.

[0040] Each end of the winding drum 3 is equipped with a limit plate 12, which is mounted on a rotating handle 13. A hand grip 14 is rotatably connected to the outer portion of the rotating handle 13. The limit plates 12 limit the position of the static-conducting wire wound on the winding drum 3, preventing it from falling off the winding drum 3, that is, from falling off the ends of the winding drum 3. The rotating handle 13 facilitates the rotation of the winding drum 3. During rotation, the hand grip 14 remains stationary relative to the hand and rotates on the rotating handle 13, making rotation more convenient.

[0041] The mounting bracket 1 also includes a base 15 and a second fastener 16. A slot 152 is vertically provided on the base 15, and the mounting bracket 1 is inserted into the slot 152. By sliding the mounting bracket 1 within the slot 152 to change the height, the height adjustment can be more stable. A plurality of second adjustment holes 151 are vertically spaced apart on the base 15. The plurality of second adjustment holes 151 are spaced apart along the height direction of the slot 152. The mounting bracket 1 is provided with second fixing holes corresponding to the positions of the second adjustment holes 151. The second fastener 16 is inserted into the second adjustment hole 151 and the second fixing hole and is detachably connected to the second adjustment hole 151 and the second fixing hole. By providing the second adjustment hole 151, the second fixing hole, and the second fastener 16, the height of the outlet wire can be changed as needed.

[0042] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0043] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A static conductive wire reel, comprising a mounting frame (1), a rotating shaft (2) and a winding drum (3), wherein the rotating shaft (2) is arranged on the mounting frame (1), and the winding drum (3) is sleeved on the rotating shaft (2) and is rotatably connected to the rotating shaft (2); characterized in that: The invention also includes a main gear (4) and a sub-gear (5), wherein the main gear (4) is arranged on the winding drum (3) and is coaxially arranged with the winding drum (3); the sub-gear (5) is rotationally connected to the mounting frame (1), and the main gear (4) is meshedly connected with the sub-gear (5).

2. The electrostatic conductive wire reel according to claim 1, characterized in that: It also includes a tapered roller bearing (6) and a pressing assembly (8) for adjusting the rotational friction of the tapered roller bearing (6); the tapered roller bearing (6) is arranged on the mounting frame (1); the pinion (5) is rotationally connected to the mounting frame (1) through the tapered roller bearing (6); and the pressing assembly (8) is mounted on the tapered roller bearing (6).

3. The electrostatic conductive wire reel according to claim 2, characterized in that: The invention also includes a connecting sleeve (7), wherein the connecting sleeve (7) is arranged on the mounting frame (1), the tapered roller bearing (6) includes an outer ring and an inner ring rotatably connected to the outer ring, the outer ring and the connecting sleeve (7) are slidably connected along the axial direction of the connecting sleeve (7), the inner ring is installed and connected to the sub-gear (5), and the pressing assembly (8) is arranged on the inner ring and abuts against the outer ring.

4. The electrostatic conductive wire reel according to claim 3, characterized in that: The compression assembly (8) includes a screw (801), a nut (802) and a compression spring (803), wherein the screw (801) is connected to the inner ring, the nut (802) is threadedly connected to the screw (801), and the compression spring (803) is sleeved on the screw (801) and has two ends respectively connected to the outer ring and the nut (802).

5. The electrostatic conductive wire reel according to claim 2, characterized in that: The number of teeth of the main gear (4) is greater than the number of teeth of the sub-gear (5).

6. The electrostatic conductive wire reel according to claim 1, characterized in that: The invention also includes a wire rack (9), an adjusting disk (10) and a first fastener (11), wherein the wire rack (9) is rotatably connected to the mounting frame (1) along the axial direction of the winding drum (3); the adjusting disk (10) is arranged on the mounting frame (1) and is coaxially arranged with the winding drum (3); a plurality of first adjusting holes (101) are provided on the circumference of the adjusting disk (10), and a first fixing hole corresponding to the position of the first adjusting hole (101) is provided on the wire rack (9); the first fastener (11) is inserted into the first adjusting hole (101) and the first fixing hole, and is detachably connected to the first adjusting hole (101) and the first fixing hole.

7. The electrostatic conductive wire reel according to any one of claims 1 to 6, characterized in that: The winding drum (3) comprises a rotating drum (301) and a winding drum (302); the rotating drum (301) is sleeved on the rotating shaft (2) and is rotatably connected to the rotating shaft (2); and the winding drum (302) is detachably connected to the rotating drum (301).

8. The electrostatic conductive wire reel according to any one of claims 1 to 6, characterized in that: Both ends of the winding drum (3) are provided with a limit plate (12), a rotating handle (13) is provided on the limit plate (12), and a hand grip (14) is rotatably connected to the rotating handle (13).

9. The electrostatic conductive wire reel according to any one of claims 1 to 6, characterized in that: The invention also includes a base (15) and a second fastener (16); the base (15) is provided with a plurality of second adjustment holes (151) spaced apart in a vertical direction; the mounting frame (1) is provided with second fixing holes corresponding to the positions of the second adjustment holes (151); the second fastener (16) is passed through the second adjustment hole (151) and the second fixing hole, and is detachably connected to the second adjustment hole (151) and the second fixing hole.

10. The electrostatic conductive wire reel according to claim 9, characterized in that: A slot (152) is vertically provided on the base (15), the mounting frame (1) is inserted into the slot (152), and a plurality of second adjustment holes (151) are spaced apart along the height direction of the slot (152).

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