A double wire suspension wire clamp device

Abstract

The application discloses a double-wire suspension wire clamping device, relates to a wire installation structure technology, and particularly discloses an installation frame and two pair of vertical clamps. The installation frame is provided with a connecting seat on each side, and the connecting seat is connected with the vertical clamp on the same side. A fixing frame is arranged between the two vertical clamps, and a guide structure is arranged on the installation frame and used for guiding the fixing frame to move in the vertical direction. A fixing ring is arranged in the fixing frame, a groove in the shape of a ring is formed in the outer arc surface of the fixing ring, and the horizontal height of the lowest point of the fixing ring is lower than that of the vertical clamp. The two vertical clamps and the groove at the lower end of the fixing ring form a wire laying channel. A damping structure is arranged in the installation frame and used for pushing the fixing frame to move reversely in the vertical direction. Through the above structure, the wire is horizontally lifted to reduce the wire sagging area, avoid fatigue loss caused by wire shaking and displacement, and prolong the service life of the wire.

Description

Technical Field

[0001] This invention relates to the field of conductor installation structure technology, and more specifically, to a double-wire suspension clamping device. Background Technology

[0002] In power transmission and communication line laying, parallel double-line laying is a common wiring method. It effectively saves laying space and improves transmission efficiency, and is widely used in high-voltage power transmission and urban communication networks. The double-line suspension clamp device, as a core component in double-line wiring, is mainly used to suspend and fix two parallel conductors, restrict conductor displacement, buffer external forces on the conductors, and ensure that the conductors are always in a stable suspended state, thus guaranteeing the safety and stability of the line transmission. Existing double-line suspension clamp devices mainly consist of a mounting frame and paired clamping components. The clamping components directly clamp and fix the two conductors, and the mounting frame then secures the entire device to the support.

[0003] In actual use, the conductor is subjected to both longitudinal and lateral external forces. Most existing devices only have simple longitudinal buffer structures and lack effective lateral buffer mechanisms. When the conductor is impacted by lateral wind forces, it will shake violently, causing the conductor to stretch, become fatigued, and even break. In addition, the damping structure of existing devices is poorly designed, the damping effect is uncontrollable, and it is impossible to adaptively adjust the buffering force according to the magnitude of the external force. The buffering effect is poor and it is difficult to effectively offset the impact of external forces on the conductor. Summary of the Invention

[0004] The purpose of this invention is to provide a double-line suspension clamping device that addresses the shortcomings of existing technologies and solves the problems mentioned in the background section.

[0005] The technical solution of this invention is implemented as follows:

[0006] The present invention provides a double-line suspension clamp device, including a mounting frame and two vertical clamps arranged in pairs. Both sides of the mounting frame are equipped with connecting seats that are connected to the vertical clamps located on the same side. A fixing frame is installed between the two vertical clamps, and the mounting frame is equipped with a guide structure for guiding the fixing frame to move in the vertical direction; A fixing ring is installed inside the fixing frame. A ring-shaped groove is opened on the outer arc surface of the fixing ring. The horizontal height of the lowest point of the fixing ring is lower than the horizontal height of the plumb line clamp. The two plumb line clamps and the groove located at the lower end of the fixing ring form a wiring channel. The mounting frame is equipped with a damping structure, which is used to push the fixing frame to reverse in the vertical direction.

[0007] In some technical solutions of the present invention, the guide structure includes a retainer mounted on the side wall of the mounting bracket, a guide post perpendicular to the retainer is provided on the retainer, a mounting hole is provided at the top of the fixing bracket, a sliding sleeve is provided in the mounting hole, the sliding sleeve is slidably disposed on the outer side wall of the guide post, a limiting ring is provided at the top of the guide post, and a damping structure is installed between the fixing bracket and the limiting ring.

[0008] In some technical solutions of the present invention, the damping structure includes a mounting seat installed in a fixed frame, the mounting seat being fixedly connected to a retainer, a fixed ring being partially embedded in the mounting seat, a cam being rotatably provided in the fixed ring, the cam being rotatably provided in the mounting seat, a guide post being placed on the outer wall between the fixed frame and the limiting ring and a limiting spring being sleeved thereon, and a drive structure being provided in the mounting seat and being pulsatically connected to the fixed frame, the drive structure being used to drive the cam to make circular motion in the fixed ring.

[0009] In some technical solutions of the present invention, the drive structure includes a hydraulic push rod installed in the guide column, the telescopic end of the hydraulic push rod passing through the top of the fixing frame and the mounting seat and then placed in the mounting seat, a rack is slidably provided in the mounting seat in the vertical direction, the rack is connected to the telescopic end of the hydraulic push rod, and a transmission gear meshing with the rack is installed on the rotation shaft of the cam.

[0010] In some technical solutions of the present invention, a displacement seat is also included, which is sleeved on the guide post. The displacement seat is installed between the limiting spring and the limiting ring. A control structure for controlling the hydraulic push rod is installed inside the limiting ring. A guide groove is opened on the side of the limiting ring facing the mounting frame. A touch switch electrically connected to the control structure is provided at the bottom of the guide groove. A trigger rod is provided on the side wall of the displacement seat. A portion of the trigger rod is embedded in the guide groove. A gap is provided between the free end of the trigger rod and the touch switch.

[0011] In some technical solutions of the present invention, the fixed ring is rotatably disposed in the fixed frame, and a guide ring coaxial with it is installed on the end face of the fixed ring. An annular groove coaxial with the guide ring is opened on the inner side wall of the fixed frame, and a portion of the guide ring is embedded in the annular groove.

[0012] In some technical solutions of the present invention, two inclined limiting grooves are symmetrically opened on the side wall of the mounting frame. The angle between the opposite extension lines of the two limiting grooves is an acute angle. A sliding seat is slidably provided in each limiting groove. The sliding seat is connected to the connecting seat located on the same side. An adjusting frame is slidably provided on the side wall of the mounting frame. An adjusting arm is installed on the side wall of the cam. The adjusting arm is slidably connected to the adjusting frame.

[0013] In some technical solutions of the present invention, a wedge-shaped groove is provided on the outer side wall of the adjustment frame along its extension direction, and a wedge-shaped block connected to the adjustment arm is slidably provided in the wedge-shaped groove.

[0014] In some technical solutions of the present invention, both ends of the sliding seat are equipped with return springs, and the return springs are connected to the inner wall of the limiting groove.

[0015] In some technical solutions of the present invention, a protective sleeve is installed inside the groove.

[0016] Compared to existing technologies, this invention has at least the following advantages or beneficial effects: By using paired vertical clamps and fixing rings, a wiring channel adapted to the conductor is formed, enabling clamping and suspension of the guide wire without the need for additional clamping components. It can flexibly adapt to conductors of different specifications. Simultaneously, the fixing ring is rotatable, and with the adjustment of the cam, it can accommodate minor deviations in the conductor caused by wind and temperature changes, reducing stress concentration in the conductor. In the longitudinal direction, a guide structure restricts the movement direction of the fixing frame, and a damping structure buffers the vertical displacement of the fixing frame, suppressing excessive longitudinal swaying of the conductor. Furthermore, in the transverse direction, the inclined limiting groove, sliding seat, and return spring form a transverse buffer structure, which, together with the damping structure, provides transverse support to the conductor, reducing the sag area and preventing fatigue wear caused by swaying and displacement, thus extending the conductor's service life. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the double-line suspension clamping device in this invention.

[0018] Figure 2 This is a front view structural schematic diagram of the double-line suspension clamping device in this invention.

[0019] Figure 3 This is a rear view schematic diagram of the double-line suspension clamping device in this invention.

[0020] Figure 4 This is a side view of the double-line suspension clamping device in this invention.

[0021] Figure 5 In this invention Figure 4 A schematic diagram of the frontal sectional view of the structure.

[0022] Figure 6 In this invention Figure 4 A schematic diagram of the side sectional structure.

[0023] Reference numerals: 1. Mounting bracket; 101. Limiting groove; 2. Vertical clamp; 3. Connecting seat; 4. Fixing bracket; 401. Ring groove; 5. Guide structure; 501. Retaining bracket; 502. Guide post; 503. Sliding sleeve; 504. Limiting ring; 5041. Guide groove; 6. Fixing ring; 601. Groove; 602. Guide ring; 7. Damping structure; 701. Mounting seat; 702. Cam; 7021. Adjusting arm; 703. Limiting spring; 8. Drive structure; 801. Hydraulic push rod; 802. Rack; 803. Transmission gear; 9. Displacement seat; 901. Trigger rod; 10. Control structure; 1001. Touch switch; 11. Sliding seat; 1101. Return spring; 12. Adjusting bracket; 1201. Wedge groove; 1202. Wedge block; 13. Protective sleeve. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0026] Example This invention provides a double-line suspension clamping device, such as... Figures 1-6 As shown, the system includes an L-shaped mounting bracket 1 and two paired vertical clamps 2. Each vertical clamp 2 has a U-shaped conductor channel extending from its center. Both vertical clamps 2 are fixed to one side of the mounting bracket 1 via a U-shaped bracket, and are further fixed within the U-shaped area of ​​the bracket by pins. Connecting seats 3 are installed on both sides of the mounting bracket 1, connecting to the vertical clamps 2 on the same side. A fixing bracket 4 is installed between the two vertical clamps 2. The mounting bracket 1 has a guide structure 5 for guiding the fixing bracket 4 to move vertically. A fixing ring 6 is installed inside the fixing bracket 4. A ring-shaped groove 601 is formed on the outer arc surface of the fixing ring 6. The lowest point of the fixing ring 6 is lower than the horizontal height of the vertical clamps 2. The two vertical clamps 2 and the groove 601 at the lower end of the fixing ring 6 form a wiring channel. A damping structure 7 is provided inside the mounting bracket 1 to push the fixing bracket 4 to move in the opposite direction vertically, achieving the reset and stabilization of the fixing bracket 4.

[0027] Furthermore, the guide structure 5 includes a retainer 501 mounted on the side wall of the mounting frame 1. The retainer 501 is provided with a guide post 502 perpendicular to it. The top of the fixed frame 4 is provided with a mounting hole, and a sliding sleeve 503 is provided in the mounting hole. The sliding sleeve 503 is slidably disposed on the outer side wall of the guide post 502 to guide the guide post 502 to move in the vertical direction. The top of the guide post 502 is provided with a limiting ring 504. The damping structure 7 is installed between the fixed frame 4 and the limiting ring 504. The limiting ring 504 is used to limit the sliding stroke of the sliding sleeve 503 to prevent the fixed frame 4 from excessive displacement.

[0028] The damping structure 7 includes a mounting base 701 installed in the fixed frame 4. The mounting base 701 is detachably connected to the retainer by bolts. A fixed ring 6 is partially embedded in the mounting base 701. A cam 702 is rotatably provided in the fixed ring 6. The cam 702 is rotatably set in the mounting base 701. A limit spring 703 is sleeved on the outer wall of the guide post between the fixed frame 4 and the limit ring 504. The mounting base 701 is provided with a drive structure 8 that is connected to the fixed frame 4. The drive structure 8 is used to drive the cam 702 to make a circular motion in the fixed ring 6. The limit spring 703 cooperates with the cam 702 to provide double buffering for the displacement of the fixed frame 4.

[0029] For the driving structure 8, this embodiment provides two specific implementation methods: Implementation Method 1: The drive structure 8 includes a hydraulic push rod 801 installed in the guide column 502. The telescopic end of the hydraulic push rod 801 passes through the fixing frame 4 and the mounting base 701 and is placed in the mounting base 701. A rack 802 is slidably provided in the mounting base 701 in the vertical direction. The rack 802 is connected to the telescopic end of the hydraulic push rod 801. A transmission gear 803 that meshes with the rack 802 is installed on the rotation shaft of the cam 702. The rack 802 is driven to slide by the reaction force generated by the self-compression of the hydraulic push rod 801, which in turn drives the transmission gear 803 and the cam 702 to rotate, so as to realize the precise adjustment of the angle of the cam 702, thereby controlling the displacement distance of the reciprocating motion of the fixing ring 6 and the fixing frame 4 in the vertical direction.

[0030] Implementation Method 2: Based on Implementation Method 1, a limit control structure 10 is added to actively control the reset of the cam 702. Specifically, it includes a displacement seat 9 sleeved on the guide post 502. The displacement seat 9 is installed between the limit spring 703 and the limit ring 504. The limit ring 504 is equipped with a control structure 10 for controlling the hydraulic push rod 801. The limit ring 504 has a guide groove 5041 on the side facing the mounting frame 1. The bottom of the guide groove 5041 is equipped with a touch switch 1001 electrically connected to the control structure 10. The side wall of the displacement seat 9 is equipped with a trigger rod 901. The trigger rod 901 is partially embedded in the guide groove 5041. There is a gap between the free end of the trigger rod 901 and the touch switch 1001, so as to realize the automatic limit and reset of the displacement of the fixed frame 4.

[0031] Furthermore, the fixing ring 6 is rotatably disposed within the fixing frame 4, and a guide ring 602 coaxially therewith is installed on the end face of the fixing ring 6. An annular groove 401 coaxial with the guide ring 602 is provided on the inner side wall of the fixing frame 4. The guide ring 602 is partially embedded in the annular groove 401. The guide ring 602 cooperates with the annular groove 401 to provide guidance and limit for the rotation of the fixing ring 6 and prevent the fixing ring 6 from axially falling off.

[0032] This structure also provides lateral buffering for the conductor through a mechanism that engages with the cam 702. Specifically, this mechanism alters the distance between the two vertical clamps 2, thereby extending the conductor length between them and improving the stability of the conductor during suspension. The specific structure is as follows: two symmetrically arranged inclined limiting grooves 101 are formed on the side wall of the mounting frame 1. The angle between the intersecting backward extensions of the two limiting grooves 101 is acute. Sliding seats 11 are slidably installed within each limiting groove 101, and each sliding seat 11 is connected to a connecting seat 3 located on the same side. An adjusting frame 12 is slidably installed on the side wall of the mounting frame 1. An adjusting arm 7021 is installed on the side wall of the cam 702, and the adjusting arm 7021 is slidably connected to the adjusting frame. Return springs 1101 are installed at both ends of each sliding seat 11, and each return spring 1101 is connected to the inner wall of the limiting groove 101, forming a lateral elastic buffer structure to ensure the stability of the above structure when fixing the conductor.

[0033] To address the issue of buffer failure during the engagement of the adjusting arm 7021 and the adjusting frame 12, this embodiment further optimizes the process: a wedge-shaped groove 1201 is formed on the outer wall of the adjusting frame 12 along its extension direction. A wedge-shaped block 1202, connected to the adjusting arm 7021, slides within the wedge-shaped groove 1201. Through the sliding engagement of the wedge-shaped block 1202 and the wedge-shaped groove 1201, fine-tuning of the displacement of the adjusting frame 12 and the angle of the cam 702 is achieved, improving adjustment accuracy. A protective sleeve 13 made of rubber insulating material is installed within the groove 601 to prevent wire wear.

[0034] The specific implementation steps of this double-wire suspension clamping device are as follows: Device Installation: First, fix the mounting frame 1 in the designated installation position. Then, fix the pair of vertical clamps 2 to both sides of the mounting frame 1 through the connecting seats 3 on both sides of the mounting frame 1, ensuring that the two vertical clamps 2 are symmetrically arranged. Install the fixing frame 4 between the two vertical clamps 2, so that the sliding sleeve 503 in the mounting hole at the top of the fixing frame 4 is fitted onto the guide post 502 of the retainer 501, ensuring that the sliding sleeve 503 can slide smoothly along the guide post 502. The limiting ring 504 at the top of the guide post 502 is installed in place to limit the maximum sliding stroke of the sliding sleeve 503. Fix the fixing ring 6 in the fixing frame 4 through the mounting seat 701, so that the fixing ring 6 is partially embedded in the mounting seat 701. The horizontal height of the lowest point of the fixing ring 6 is lower than the horizontal height of the vertical clamp 2. The two vertical clamps 2 and the annular groove 401 at the lower end of the fixing ring 6 form a wiring channel for the dual lines. Install the damping structure 7, the drive structure 8 and related auxiliary components in sequence to complete the overall assembly of the device.

[0035] Wire laying: Place the two wires to be suspended in the two wiring channels respectively, ensuring that the wires are tightly fitted with the grooves 401 of the plumb line clamp 2 and the fixing ring 6 to limit and hold the wires. The wires will hang naturally due to their own weight. The design of the fixing ring 6 being lower than the plumb line clamp 2 prevents the wires from having hard friction with the device components.

[0036] Normal operation and buffer adjustment: When the wire is subjected to external force, it will drive the fixing frame 4 to move vertically along the guide post 502. At this time, the limiting spring 703 on the guide post 502 is compressed or stretched, generating an elastic force, which buffers the displacement of the fixing frame 4 as part of the damping force. At the same time, the displacement of the fixing frame 4 drives the drive structure 8 to move. The drive structure 8 drives the cam 702 to make a circular motion in the fixing ring 6. When the cam 702 rotates, it adjusts the contact force between the fixing ring 6 and the wire, further optimizing the clamping stability of the wire and adapting to the expansion and contraction of the wire caused by temperature changes.

[0037] Automatic limit and reset: When the displacement of the fixed frame 4 reaches the preset value, the fixed frame 4 compresses the limit spring 703, and the limit spring 703 pushes the displacement seat 9 to slide along the guide post 502 towards the limit ring 504. The trigger rod 901 on the displacement seat 9 slides synchronously with the displacement seat 9, and the free end of the trigger rod 901 touches the touch switch 1001 in the limit groove 101. After the touch switch 1001 is triggered, the control structure 10 controls the hydraulic push rod 801 to start, and both the control structure 10 and the touch switch 1001... As a conventional technique, the hydraulic push rod 801 drives the rack 802 to slide, which in turn drives the transmission gear 803 and the cam 702 to rotate. At the same time, the extension and retraction of the hydraulic push rod 801 pushes the fixing frame 4 to move in the opposite direction, pushing the floating wire away from the mounting frame 1, and straightening the arc-shaped wire located on both sides of the two vertical clamps 2, suppressing the guide from swinging significantly due to external force. Conversely, after the external force is released, the hydraulic push rod 801 can quickly reset the fixing frame 4 and the wire to a stable position, avoiding excessive displacement of the fixing frame 4.

[0038] After the two vertical clamps 2 are subjected to the force applied by the cam 702, the two vertical clamps 2 will move laterally in opposite directions to buffer and adjust the conductor. That is, when the conductor is subjected to a lateral external force, it will drive the vertical clamps 2 and the connecting seat 3 to move, and then drive the sliding seat 11 to slide along the inclined limiting groove 101. The return springs 1101 at both ends of the sliding seat 11 are compressed or stretched, generating a reverse elastic force to buffer the lateral external force and decompose the lateral external force into a force along the direction of the limiting groove 101, thus achieving lateral buffering. At the same time, when the cam 702 rotates, the adjusting arm 7021 on its side wall drives the wedge block 1202 to slide along the wedge groove 1201 of the adjusting frame 12, and drives the adjusting frame 12 to slide vertically downward along the side wall of the mounting frame 1, thereby pushing the two vertical clamps 2 to move away from each other, expanding the lifting range of the two vertical clamps 2 on the conductor, and keeping the conductor located on both sides of the two vertical clamps 2 in an arc shape stable.

[0039] When the external force applied to the conductor disappears, the fixing ring 6 will reset. After the external force on the conductor disappears, the elastic force of the limiting spring 703 pushes the fixing frame 4 to reset. The reset springs 1101 at both ends of the sliding seat 11 push the sliding seat 11, the connecting seat 3 and the plumb line clamp 2 to reset. The cam 702 returns to its initial position under the action of the drive structure 8. At the same time, the two plumb line clamps 2 also move to their initial installation positions. The conductor returns to the preset suspension state, and the device returns to normal operation, avoiding the conductor from being taut for a long time and avoiding conductor breakage.

[0040] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A double-line suspension clamping device, characterized in that, It includes a mounting frame and two pairs of vertical clamps, with connecting seats installed on both sides of the mounting frame to connect with the vertical clamps located on the same side. A fixing frame is installed between the two vertical clamps, and the mounting frame is provided with a guide structure for guiding the fixing frame to move in the vertical direction; A fixing ring is installed inside the fixing frame. A ring-shaped groove is formed on the outer arc surface of the fixing ring. The horizontal height of the lowest point of the fixing ring is lower than the horizontal height of the plumb line clamp. The two plumb line clamps and the groove located at the lower end of the fixing ring form a wiring channel. A damping structure is provided inside the mounting frame. The damping structure is used to push the fixing frame to move in the opposite direction in the vertical direction.

2. The double-line suspension clamping device according to claim 1, characterized in that, The guide structure includes a retainer mounted on the side wall of the mounting bracket, a guide post perpendicular to the retainer, a mounting hole at the top of the fixing bracket, a sliding sleeve inside the mounting hole, the sliding sleeve being slidably disposed on the outer side wall of the guide post, a limiting ring at the top of the guide post, and a damping structure installed between the fixing bracket and the limiting ring.

3. A double-line suspension clamping device according to claim 2, characterized in that, The damping structure includes a mounting base installed in a fixed frame, the mounting base being fixedly connected to a retainer, a fixed ring being partially embedded in the mounting base, a cam being rotatably mounted inside the fixed ring, the cam being rotatably mounted in the mounting base, a guide post being placed on the outer wall between the fixed frame and the limiting ring and a limiting spring being sleeved thereon, and a drive structure being provided in the mounting base for transmission connection with the fixed frame, the drive structure being used to drive the cam to perform circular motion within the fixed ring.

4. A double-line suspension clamping device according to claim 3, characterized in that, The drive structure includes a hydraulic push rod installed in a guide column. The telescopic end of the hydraulic push rod passes through the top of the fixing frame and the mounting base and is placed in the mounting base. A rack is slidably provided in the mounting base in the vertical direction. The rack is connected to the telescopic end of the hydraulic push rod. A transmission gear that meshes with the rack is installed on the rotation shaft of the cam.

5. A double-line suspension clamping device according to claim 3, characterized in that, It also includes a displacement seat sleeved on the guide column. The displacement seat is installed between the limiting spring and the limiting ring. A control structure for controlling the hydraulic push rod is installed inside the limiting ring. A guide groove is opened on the side of the limiting ring facing the mounting frame. A touch switch electrically connected to the control structure is provided at the bottom of the guide groove. A trigger rod is provided on the side wall of the displacement seat. A portion of the trigger rod is embedded in the guide groove. A gap is provided between the free end of the trigger rod and the touch switch.

6. A double-line suspension clamping device according to claim 5, characterized in that, The fixed ring is rotatably mounted inside the fixed frame. A guide ring coaxial with the fixed ring is installed on the end face of the fixed ring. An annular groove coaxial with the guide ring is opened on the inner side wall of the fixed frame. A portion of the guide ring is embedded in the annular groove.

7. A double-line suspension clamping device according to any one of claims 3-6, characterized in that, The mounting bracket has two symmetrically arranged inclined limiting grooves on its side wall. The angle between the two limiting grooves when their opposite extension lines intersect is an acute angle. Each limiting groove has a sliding seat that is slidably provided in it. The sliding seat is connected to a connecting seat located on the same side. An adjustment bracket is slidably provided on the side wall of the mounting bracket. An adjustment arm is installed on the side wall of the cam and is slidably connected to the adjustment bracket.

8. A double-line suspension clamping device according to claim 7, characterized in that, A wedge-shaped groove is provided on the outer wall of the adjustment frame along its extension direction, and a wedge-shaped block connected to the adjustment arm is slidably disposed in the wedge-shaped groove.

9. A double-line suspension clamping device according to claim 7, characterized in that, Both ends of the sliding seat are equipped with return springs, and the return springs are connected to the inner wall of the limiting groove.

10. A double-line suspension clamping device according to claim 7, characterized in that, A protective sleeve is installed inside the groove.

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