Spacer suitable for jumper wire support
By designing a spacing rod with forward and reverse screw assembly and adjustment assembly, the jumper dances in harsh environments is solved, and the length is flexible and stable, ensuring the safe and stable operation of the jumper.
Patent Information
- Application Number
- CN202411399095.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2024-12-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Since the tower is affected in harsh environments, the jumper may dance, resulting in the distance between the drainage plate and the wire tool, causing the jumper to wear and breakage. The jumper spacing requirements at different positions are different, making it difficult to design an applicable one. Spacer rod.
A spacer rod including wire clips and main arm assembly is designed, and length adjustment is achieved through forward and reverse lead screw assembly and adjustment assembly, with double self-locking function to ensure the stability of the length and precise adjustment.
It realizes flexible adjustment and stable maintenance of the length of the spacer rod, avoids unnecessary length adjustment, and ensures the safe and stable operation of the jumper.
Smart Images
Figure CN119209362A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of wire and cable equipment, and in particular to a spacer rod suitable for supporting jumpers. Background Art
[0002] During operation, the tower will be affected by harsh environmental factors such as strong winds, ice and snow, and high temperatures, which may cause the jumper to dance. This may cause the jumper to be too close to the conductor fittings at the drainage plate, or even cause friction and collision, causing the jumper to wear and break, endangering the safe and stable operation of the transmission line. In order to suppress the dancing of the jumper, a jumper spacer is needed.
[0003] However, since the distances between the drain plate jumper and the conductor fittings are not the same, the length requirements of the jumper spacer are not the same, so it is necessary to design a spacer that can easily adjust the length and stably maintain the length. Summary of the invention
[0004] A spacer bar suitable for jumper support, comprising two wire clamps and a main arm assembly for connecting the two wire clamps; The main arm assembly comprises: The main arm housing comprises a housing base arranged in the front-to-back direction, a central circular hole arranged through in the front-to-back direction, a rotation-stopping cross bar is respectively arranged in front and rear of the central circular hole, and the main arm housing further comprises a right protrusion arranged in the middle of the right side of the housing base, a worm base arranged in the middle of the right side of the central circular hole, a worm plug hole arranged in the worm base, a rotating inner hole formed in the worm plug hole, and a locking right cavity arranged in the right protrusion and connected to the right side of the worm plug hole; Positive and negative screw assembly, including nut assembly and screw assembly; The nut assembly includes a rotating cylinder rotatably arranged in the central circular hole, a driven worm wheel formed in the middle of the outer wall of the rotating cylinder, the front and rear ends of the rotating cylinder are respectively provided with an internal threaded hole, the front and rear ends of the outer wall of the rotating cylinder are respectively provided with a locking ring groove, each locking ring groove is also circumferentially uniformly distributed with driven locking teeth on the end surface close to the driven worm wheel, and the screw assembly is provided with two in front and in the back; The screw assembly includes a driven screw rod threadedly connected to the internal threaded hole, a rotation-stopping transverse hole formed in the driven screw rod and plugged into the rotation-stopping transverse rod, and the distal end of the driven screw rod is fixedly connected to the wire clamp; The adjusting assembly is used to drive the nut assembly to rotate.
[0005] As a further implementation: The adjusting component comprises a rotating central axis rotatably arranged in a rotating inner hole, an active worm formed on the rotating central axis and rotatably arranged in a worm plug hole, the active worm being meshed with the driven worm wheel, the adjusting component further comprising a spring plug cavity arranged in the active worm, a compression spring arranged in the spring plug cavity, a through key hole arranged above the spring plug cavity, a transmission plug key slidably inserted in the through key hole and resting against the compression spring, a cross nail cap arranged above the transmission plug key, a follower ring groove arranged in the middle of the outer wall of the cross nail cap, and an inner hole upper opening arranged at the top of the rotating inner hole.
[0006] As a further implementation: Also included is a first locking assembly, the first locking assembly comprising: Sliding lock teeth are evenly distributed on the outer edge of the upper end surface of the cross nail cap in the circumferential direction; The fixed locking teeth are evenly distributed on the top of the rotating inner hole in the circumferential direction.
[0007] As a further implementation: Also included is a second locking assembly, the second locking assembly comprising: A longitudinal pressure assembly includes a side communication hole arranged on the right side of the rotating inner hole, a longitudinal communication hole arranged below the right side of the side communication hole and communicating with the locking right cavity, an active ring rotatably sleeved on the follower ring groove, a side communication arm arranged on the right side of the active ring and passing through the side communication hole, and a longitudinal pressure connecting rod arranged on the right side of the side communication arm and inserted into the longitudinal communication hole; The lock core foundation is provided with two in total, one in front and one in the back, and the lock core foundation includes a locking side hole provided on the left side of the locking right cavity and connected to the central circular hole, an adjustment end hole provided at the end of the locking right cavity, a rotation-limiting plug rod provided in the adjustment end hole, and a lug with a hole provided on the right side of the housing foundation and corresponding to the adjustment end hole; The second lock core is provided with two of them, one in front and one in the back. The second lock core includes a sliding lock rod slidably arranged in the right locking cavity, a lock rod inner hole arranged at the end of the sliding lock rod, a lock core compression spring arranged in the lock rod inner hole, a locking side rod arranged on the side of the sliding lock rod and passing through the locking side hole, an active lock tooth arranged at the stop end of the locking side rod and locked with the driven lock tooth, the second lock core also includes an internal threaded tube, a lock core ring groove arranged on the outer wall of the internal threaded tube and rotatably matched with the perforated lug, an external threaded rod screwed in the internal threaded tube, a rotation limiting socket arranged in the external threaded rod and plugged with the rotation limiting plug rod, the external threaded rod is inserted into the lock rod inner hole and abuts against the lock core compression spring.
[0008] As a further implementation: A chord-cut opening communicating with the central circular hole is arranged on the left side of the worm screw insertion hole.
[0009] As a further implementation: The lower end of the sliding lock rod is provided with a driven inclined surface which increases in height as it moves away from the longitudinal pressing rod.
[0010] As a further implementation: The internal threaded holes arranged at the front and rear ends of the rotary cylinder have opposite thread rotation directions.
[0011] Beneficial effects: The spacer described in this case can smoothly adjust the length of the main arm assembly and thus adjust the length of the entire spacer: The nut assembly of the forward and reverse screw assemblies rotates to drive a pair of screw assemblies to move toward each other, thereby adjusting the distance between the pair of screw assemblies and further adjusting the distance between the two wire clamps, that is, the length of the spacer rod.
[0012] The spacer described in this case has a double self-locking function to avoid unnecessary adjustment of the length of the spacer after installation: The sliding lock teeth of the first locking assembly are meshed with the fixed lock teeth to limit the rotation of the adjustment assembly, thereby limiting the rotation of the nut assembly; The active locking teeth of the second locking assembly are meshed with the driven locking teeth of the nut assembly to limit the rotation of the adjustment assembly, thereby limiting the rotation of the nut assembly.
[0013] The spacer described in this case is easy to adjust, realizes "one press, double unlocking", and can accurately adjust the length of the main arm assembly: First, the first locking assembly is unlocked: Use a cross screwdriver to insert into the cross slot on the top of the cross nail cap through the upper opening of the inner hole; press the cross screwdriver downward to drive the cross nail cap, the transmission key, and the sliding lock tooth to overcome the damping of the compression spring and move downward, so that the sliding lock tooth is separated from the fixed lock tooth, so that the first locking component releases the locking of the rotational freedom of the adjustment component and the nut component; Then, the second locking assembly is unlocked: The follower ring groove drives the active ring, the side connecting arm, and the longitudinal compression rod to move downward; the longitudinal compression rod moves downward and squeezes the sliding lock rod, so that the sliding lock rod, the locking side rod, and the active lock tooth overcome the damping of the lock core compression spring and move toward the distal end; the lock core compression spring disengages from the driven lock tooth, unlocking the second locking assembly from locking the rotational freedom of the nut assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 3 is a top view of the spacer bar in the first state.
[0015] Figure 2 3 is a top view of the spacer bar in the second state.
[0016] Figure 3Schematic diagram of an embodiment of the spacer bar.
[0017] Figure 4 It is a cross-sectional view of an embodiment of the main arm assembly.
[0018] Figure 5 Schematic diagram of an embodiment of the shell foundation.
[0019] Figure 6 It is a half-section view of an embodiment of the main arm assembly.
[0020] Figure 7 It is a half-section view of an embodiment of the main arm assembly.
[0021] Figure 8 yes Figure 4 Cross-sectional view of section AA.
[0022] Fig. 9 yes Figure 4 Half-section view of section AA.
[0023] Fig.10 yes Figure 4 Sectional view of the first state of the BB section.
[0024] Fig.11 yes Figure 4 Cross-sectional view of the BB section in the second state.
[0025] In the figure: 1. Main arm housing, 11. Housing base, 12. Central circular hole, 13. Anti-rotation cross bar, 14. Right protrusion, 15. Worm base, 16. Worm plug hole, 17. Rotating inner hole, 18. Locking right cavity; 2. Positive and negative screw assembly; 21. nut assembly, 211. rotating cylinder, 212. driven worm gear, 213. internal thread hole, 214. locking ring groove, 215. driven locking tooth; 22. Screw assembly, 221. Driven screw, 222. Anti-rotation horizontal hole; 3. Adjustment assembly, 31. Rotating center shaft, 32. Active worm, 33. Spring insertion cavity, 34. Compression spring, 35. Through key hole, 36. Transmission key, 37. Cross nail cap, 38. Follower ring groove, 39. Upper opening of inner hole; 4. first locking assembly, 41. sliding locking teeth, 42. fixed locking teeth; 5. Second locking assembly; 51. longitudinal pressure assembly, 511. side communication hole, 512. longitudinal communication hole, 513. active ring, 514. side communication arm, 515. longitudinal pressure connecting rod; 52. Lock core base, 521. Locking side hole, 522. Adjustment end hole, 523. Rotation limiting plug rod, 524. Lug with hole; 53. Second lock core, 531. Sliding lock rod, 532. Lock rod inner hole, 533. Lock core compression spring, 534. Lock side rod, 535. Active lock teeth, 536. Internal threaded tube, 537. Lock core ring groove, 538. External threaded rod, 539. Rotation-limiting jack; 8. Main arm assembly; 9.Wire clamp. DETAILED DESCRIPTION
[0026] A spacer bar suitable for jumper support, comprising two wire clamps 9 and a main arm assembly 8 for connecting the two wire clamps 9; The main arm assembly 8 includes a main arm housing 1 , a forward and reverse screw assembly 2 , an adjustment assembly 3 , a first locking assembly 4 , and a second locking assembly 5 .
[0027] The main arm housing 1 includes a housing base 11 arranged in the front-to-back direction, a central circular hole 12 penetrating in the front-to-back direction, a rotation-stopping cross bar 13 is respectively arranged in front and rear of the central circular hole 12, and the main arm housing 1 also includes a right protrusion 14 arranged in the middle of the right side of the housing base 11, a worm base 15 arranged in the middle of the right side of the central circular hole 12, a worm plug hole 16 arranged in the worm base 15, a rotating inner hole 17 formed in the worm plug hole 16, and a locking right chamber 18 arranged in the right protrusion 14 and connected to the right side of the worm plug hole 16; The forward and reverse screw assembly 2 includes a nut assembly 21 and a screw assembly 22; the nut assembly 21 includes a rotating cylinder 211 rotatably arranged in the central circular hole 12, and a driven worm wheel 212 formed in the middle of the outer wall of the rotating cylinder 211, and the front and rear ends of the rotating cylinder 211 are respectively provided with an internal threaded hole 213, and the front and rear ends of the outer wall of the rotating cylinder 211 are respectively provided with a locking ring groove 214, and each locking ring groove 214 is also circumferentially uniformly distributed with driven locking teeth 215 on the end surface close to the driven worm wheel 212, and the screw assembly 22 is provided with two in front and behind; the screw assembly 22 includes a driven screw rod 221 threadedly connected with the internal threaded hole 213, and a stop cross hole 222 formed in the driven screw rod 221 and plugged with the stop cross bar 13, and the far end of the driven screw rod 221 is fixedly connected with the wire clamp 9; The adjusting assembly 3 is used to drive the nut assembly 21 to rotate, and includes a rotating central axis 31 rotatably arranged in the rotating inner hole 17, an active worm 32 formed on the rotating central axis 31 and rotatably arranged in the worm plug hole 16, the active worm 32 is meshed with the driven worm wheel 212, and the adjusting assembly 3 also includes a spring insertion cavity 33 arranged in the active worm 32, a compression spring 34 arranged in the spring insertion cavity 33, a through key hole 35 arranged above the spring insertion cavity 33, a transmission key 36 slidably inserted in the through key hole 35 and abutting against the compression spring 34, a cross nail cap 37 arranged above the transmission key 36, a follower ring groove 38 arranged in the middle of the outer wall of the cross nail cap 37, and an inner hole upper opening 39 arranged at the top of the rotating inner hole 17.
[0028] The first locking assembly 4 includes sliding locking teeth 41 uniformly distributed circumferentially on the outer edge of the upper end surface of the cross nail cap 37 and fixed locking teeth 42 uniformly distributed circumferentially on the top of the rotating inner hole 17 .
[0029] The second locking assembly 5 comprises: The longitudinal pressure assembly 51 comprises a side communication hole 511 disposed on the right side of the rotating inner hole 17, a longitudinal communication hole 512 disposed below the right side of the side communication hole 511 and communicating with the locking right chamber 18, an active ring 513 rotatably sleeved on the follower ring groove 38, a side communication arm 514 disposed on the right side of the active ring 513 and passing through the side communication hole 511, and a longitudinal pressure connecting rod 515 disposed on the right side of the side communication arm 514 and inserted into the longitudinal communication hole 512; The lock core base 52 is provided with two in total, one in front and one in the back, and the lock core base 52 includes a locking side hole 521 provided on the left side of the locking right cavity 18 and connected to the central circular hole 12, an adjustment end hole 522 provided at the end of the locking right cavity 18, a rotation-limiting plug rod 523 provided in the adjustment end hole 522, and a perforated lug 524 provided on the right side of the housing base 11 and corresponding to the adjustment end hole 522; The second lock core 53 is provided with two in total, one in front and one in the back. The second lock core 53 includes a sliding lock rod 531 slidably arranged in the locking right cavity 18, a lock rod inner hole 532 arranged at the end of the sliding lock rod 531, a lock core compression spring 533 arranged in the lock rod inner hole 532, a locking side rod 534 arranged on the side of the sliding lock rod 531 and passing through the locking side hole 521, and a locking side rod 534 provided at the stop end and locked with the driven lock tooth 215. The second lock core 53 also includes an internal threaded tube 536, a lock core ring groove 537 provided on the outer wall of the internal threaded tube 536 and rotatably matched with the perforated lug 524, an external threaded rod 538 screwed in the internal threaded tube 536, and a rotation limiting socket 539 provided in the external threaded rod 538 and plugged with the rotation limiting plug rod 523. The external threaded rod 538 is inserted into the inner hole 532 of the lock rod and abuts against the lock core compression spring 533.
[0030] The case also discloses a method for adjusting the length of the spacer rod, comprising the following steps: Step 1. Double Unlock: Step 1.1, unlocking the first locking assembly 4: Use a cross screwdriver to insert into the cross slot on the top of the cross nail cap 37 through the inner hole upper opening 39; Press the cross screwdriver downward to drive the cross nail cap 37, the transmission key 36, and the sliding lock tooth 41 to overcome the damping of the compression spring 34 and move downward, so that the sliding lock tooth 41 is separated from the fixed lock tooth 42, so that the first locking assembly 4 releases the locking of the rotational freedom of the adjustment assembly 3 and the nut assembly 21; Step 1.2, unlocking the second locking assembly 5: The follower ring groove 38 drives the active ring 513, the side connecting arm 514, and the longitudinal pressure connecting rod 515 to move downward; The longitudinal pressing connecting rod 515 moves downward and presses the sliding locking rod 531, so that the sliding locking rod 531, the locking side rod 534, and the active locking tooth 535 overcome the damping of the lock core compression spring 533 and move toward the distal end; The lock core compression spring 535 is out of contact with the driven lock tooth 215, unlocking the locking of the rotational freedom of the nut assembly 21 by the second locking assembly; Step 2, the forward and reverse screw assembly 2 moves: Twist the cross screwdriver to drive the cross nail cap 37, the transmission key 36, the through key hole 35, and the active worm 32 to rotate; The active worm 32 rotates to drive the driven worm wheel 212, the rotating cylinder 211, and the internal threaded hole 213 to rotate. The two internal threaded holes 213 respectively drive the corresponding screw assemblies 22 to move toward each other to adjust the position of a pair of wire clamps 9, that is, the length of the entire spacer rod.
[0031] The method further comprises step 3 of adjusting the damping of the second lock core 53: The internal threaded tube 536 and the lock core ring groove 537 are rotated to drive the external threaded rod 538 to move in the front-rear direction, thereby adjusting the compression amount and damping of the lock core compression spring 533 under normal conditions, and further adjusting the damping of the sliding lock rod 531 during operation.
Claims
1. A spacer bar suitable for supporting a jumper wire, comprising two wire clamps (9), characterized in that: It also includes a main arm assembly (8) for connecting two wire clamps (9); The main arm assembly (8) comprises: A main arm housing (1) comprises a housing base (11) arranged in the front-to-back direction, a central circular hole (12) extending through the housing base (11) in the front-to-back direction, a rotation-stopping cross bar (13) being respectively arranged in front and rear of the central circular hole (12), and the main arm housing (1) further comprises a right protrusion (14) arranged in the middle of the right side of the housing base (11), a worm base (15) arranged in the middle of the right side of the central circular hole (12), a worm insertion hole (16) arranged in the worm base (15), a rotating inner hole (17) formed in the worm insertion hole (16), and a locking right chamber (18) arranged in the right protrusion (14) and communicating with the right side of the worm insertion hole (16); A forward and reverse screw assembly (2), comprising a nut assembly (21) and a screw assembly (22); The nut assembly (21) comprises a rotating cylinder (211) rotatably arranged in the central circular hole (12), and a driven worm wheel (212) formed in the middle of the outer wall of the rotating cylinder (211); the front and rear ends of the rotating cylinder (211) are respectively provided with an internal threaded hole (213); the front and rear ends of the outer wall of the rotating cylinder (211) are respectively provided with a locking ring groove (214); the end surface of each locking ring groove (214) close to the driven worm wheel (212) is also circumferentially uniformly distributed with driven locking teeth (215); and two screw assemblies (22) are provided one in front and one in the back; The screw assembly (22) comprises a driven screw rod (221) threadedly connected to the internal threaded hole (213), and a rotation-stopping transverse hole (222) formed in the driven screw rod (221) and plugged into and matched with the rotation-stopping transverse rod (13); the far end of the driven screw rod (221) is fixedly connected to the wire clamp (9); The adjusting assembly (3) is used to drive the nut assembly (21) to rotate.
2. A spacer bar suitable for jumper support according to claim 1, characterized in that: The adjusting assembly (3) comprises a rotating central shaft (31) rotatably arranged in a rotating inner hole (17), an active worm (32) formed on the rotating central shaft (31) and rotatably arranged in a worm insertion hole (16), the active worm (32) meshing with the driven worm wheel (212), the adjusting assembly (3) further comprising a spring insertion cavity (33) arranged in the active worm (32), a compression spring (34) arranged in the spring insertion cavity (33), a through key hole (35) arranged above the spring insertion cavity (33), a transmission key (36) slidably inserted in the through key hole (35) and abutting against the compression spring (34), a cross nail cap (37) arranged above the transmission key (36), a follower ring groove (38) arranged in the middle of the outer wall of the cross nail cap (37), and an inner hole upper opening (39) arranged at the top of the rotating inner hole (17).
3. A spacer bar suitable for jumper support according to claim 2, characterized in that: It also includes a first locking assembly (4), wherein the first locking assembly (4) includes: Sliding lock teeth (41) are evenly distributed in the circumferential direction on the outer edge of the upper end surface of the cross nail cap (37); The fixed locking teeth (42) are evenly distributed in the circumferential direction at the top end of the rotating inner hole (17).
4. A spacer bar suitable for jumper support according to claim 3, characterized in that: It also includes a second locking assembly (5), wherein the second locking assembly (5) includes: A longitudinal pressure assembly (51) comprises a side communication hole (511) arranged on the right side of the rotating inner hole (17), a longitudinal communication hole (512) arranged below the right side of the side communication hole (511) and communicating with the locking right chamber (18), an active ring (513) rotatably sleeved on the follower ring groove (38), a side communication arm (514) arranged on the right side of the active ring (513) and passing through the side communication hole (511), and a longitudinal pressure connecting rod (515) arranged on the right side of the side communication arm (514) and inserted into the longitudinal communication hole (512); A lock core base (52) is provided with two of them, one in front and one in the back, the lock core base (52) comprising a locking side hole (521) provided on the left side of the locking right cavity (18) and communicating with the central circular hole (12), an adjustment end hole (522) provided at the end of the locking right cavity (18), a rotation-limiting plug rod (523) provided in the adjustment end hole (522), and a perforated lug (524) provided on the right side of the housing base (11) and corresponding to the adjustment end hole (522); The second lock core (53) is provided with two of them, one in front and one in the back. The second lock core (53) comprises a sliding lock rod (531) slidably arranged in the locking right cavity (18), a lock rod inner hole (532) arranged at the end of the sliding lock rod (531), a lock core compression spring (533) arranged in the lock rod inner hole (532), a locking side rod (534) arranged on the side of the sliding lock rod (531) and passing through the locking side hole (521), and a locking side rod (534) arranged at the stop end of the locking side rod (534) and locking with the driven lock tooth (215). The second lock core (53) further comprises an internally threaded tube (536), a lock core ring groove (537) provided on the outer wall of the internally threaded tube (536) and rotatably matched with the hole-carrying lug (524), an externally threaded rod (538) screwed into the internally threaded tube (536), and a rotation-limiting plug hole (539) provided in the externally threaded rod (538) and plug-matched with the rotation-limiting plug rod (523); the externally threaded rod (538) is inserted into the inner hole (532) of the lock rod and abuts against the lock core compression spring (533).
5. A spacer bar suitable for jumper support according to claim 4, characterized in that: The left side of the worm screw insertion hole (16) is provided with a chord-cut opening which is connected to the central circular hole (12).
6. A spacer bar suitable for jumper support according to claim 5, characterized in that: The lower end of the sliding lock rod (531) is provided with a driven inclined surface which increases in height the further away from the longitudinal pressing rod (515).
7. A spacer bar suitable for jumper support according to claim 6, characterized in that: The internal threaded holes (213) arranged at the front and rear ends of the rotary cylinder (211) have opposite thread rotation directions.