CN117277185B - Narrow base angle steel tower with adjustable cable sag - Google Patents
Narrow base angle steel tower with adjustable cable sag Download PDFInfo
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- CN117277185B CN117277185B CN202311241856.3A CN202311241856A CN117277185B CN 117277185 B CN117277185 B CN 117277185B CN 202311241856 A CN202311241856 A CN 202311241856A CN 117277185 B CN117277185 B CN 117277185B
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- fixedly connected
- wire clamping
- angle steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 123
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 8
- 239000012212 insulator Substances 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 238000007665 sagging Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/06—Suspensions for lines or cables along a separate supporting wire, e.g. S-hook
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a narrow-base angle steel tower with adjustable cable sag, which comprises a wire clamping mechanism and an insulator cable pulling mechanism, wherein the wire clamping mechanism comprises a lower jacket and an upper jacket, an elastic pressing mechanism is arranged on the wire clamping mechanism and used for clamping a cable, the bottom end of the insulator cable pulling mechanism is fixedly connected with a connecting plate, and a self-adjusting mechanism is arranged between the connecting plate and the wire clamping mechanism and used for adjusting the cable sag; the self-adjusting mechanism comprises a main adjusting rod and a sleeve, wherein the bottom of the connecting plate is fixedly connected with the main adjusting rod, bidirectional threads are machined on the periphery of the main adjusting rod, a second nut and a third nut are sleeved on the bidirectional threads, a torsion spring is arranged between the inner wall of the sleeve and the third nut, a transverse plate is fixedly sleeved on the periphery of the second nut, a connecting assembly is arranged between the transverse plate and the wire clamping mechanism, and an auxiliary pressing mechanism is arranged at the bottom end of the main adjusting rod. The cable sag can be automatically adjusted, and compared with manual adjustment, a large amount of manpower and material resources are saved.
Description
Technical Field
The invention belongs to the technical field of angle steel towers, and particularly relates to a narrow-base angle steel tower with adjustable cable sag.
Background
The narrow-base angle steel tower in the power transmission line engineering is a tower shape with small occupied area and relatively compact channel, and is mainly applied to urban areas and areas with limited lines. The angle steel tower is convenient to connect and construct, simple to detach, few in-situ welding work and quite wide in application in the structure of the power transmission tower.
The angle steel tower mainly plays a role in fixedly supporting cables, the cables can generate certain sagging degree in the installation and subsequent use processes, when the cable sagging degree is relatively large in the case of heavy wind weather, the cables are easily caused to be influenced by wind force to swing, in the process, the narrow-base angle steel tower can be influenced by certain stress, and under severe conditions, the narrow-base angle steel tower can collapse, so that the normal use of the narrow-base angle steel tower is influenced.
Therefore, the problem of cable sagging is solved, and the stability of the narrow-base angle steel tower is ensured to be necessary; in the prior art, the above-mentioned problem is solved to the mode that adopts ground tension equipment to cooperate the manual work of angle steel tower to overlap joint again more, wastes time and energy and with high costs. Thus, there is a need for a narrow base angle tower with adjustable cable sag.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the following technical scheme:
The narrow-base angle steel tower with the cable sag adjustable comprises a wire clamping mechanism and an insulator cable pulling mechanism, wherein the wire clamping mechanism comprises a lower jacket and an upper jacket, an elastic pressing mechanism is arranged on the wire clamping mechanism and used for clamping the cable, the bottom end of the insulator cable pulling mechanism is fixedly connected with a connecting plate, and a self-adjusting mechanism is arranged between the connecting plate and the wire clamping mechanism and used for adjusting the cable sag;
The self-adjusting mechanism comprises a main adjusting rod and a sleeve, wherein the bottom of the connecting plate is fixedly connected with the main adjusting rod, bidirectional threads are processed on the periphery of the main adjusting rod, a second nut and a third nut are sleeved on the bidirectional threads, a torsion spring is arranged between the inner wall of the sleeve and the third nut, a transverse plate is fixedly sleeved on the periphery of the second nut, a connecting assembly is arranged between the transverse plate and the wire clamping mechanism, and an auxiliary pressing mechanism is arranged at the bottom end of the main adjusting rod;
The wind force acts on the cable and rocks the transmission of line mechanism to the main regulating rod through coupling assembling, and main regulating rod cooperates the two-way screw thread drive line mechanism unidirectional rotation of second nut, third nut, and line mechanism unidirectional rotation level torsion local cable is used for the regulation of cable sag, and cooperates the supplementary pressing mechanism to further compress tightly the cable.
When the cable is large in sagging, the cable is easy to swing back and forth under the action of wind force, the cable swings to drive components such as a wire clamping mechanism and a self-adjusting mechanism to swing together, tangential force drives a second nut and a main adjusting rod to rotate in a threaded manner in the swinging process, the second nut is in a rotatable state when moving towards the wire clamping mechanism in a forward threaded manner, the reverse thread is blocked by a third nut in the rotating process, and after the second nut rotates in a forward direction for a certain angle, the third nut is tightly attached to the second nut under the elastic action of a torsion spring, so that the second nut continuously rotates in the forward direction in the swinging process; the second nut continuously rotates forward under the connection action of the transverse plate and the connecting component, and drives the wire clamping mechanism to continuously rotate forward, so that the cable is twisted from the state of fig. 1 to the state of fig. 2, and the cable can be tensioned by local twisting, so that the automatic adjustment of cable sag is realized;
In the cable sag adjustment process, the second nut and other components rotate in a threaded manner at a certain angle, the bottom end of the main adjusting rod moves towards the upper jacket while rotating in the threaded manner, and the upper jacket can be further extruded by the auxiliary pressing mechanism to move towards the lower jacket, so that the cable clamping effect is further achieved, and the cable fixing effect is better.
As the preference of above-mentioned technical scheme, assist the press mechanism including fixed connection at the top of jacket a fixed section of thick bamboo and rotate the sliding pressure board of connecting in main regulating rod bottom, and sliding pressure board sliding connection is on the inner wall of fixed section of thick bamboo, the bottom fixedly connected with of sliding pressure board a plurality of second springs, and the bottom fixed connection of second spring is on the bottom inner wall of fixed section of thick bamboo.
The working principle of the auxiliary pressing mechanism is as follows: the main adjusting rod moves towards the upper jacket to drive the sliding pressing plate to slide towards the fixed cylinder, so that the second spring is extruded, the downward pressure is transmitted to the elastic potential energy, the elastic potential energy of the second spring is further transmitted to the lower upper jacket through the fixed cylinder, the further clamping effect of the cable is achieved, and the cable fixing effect is better.
As the optimization of the technical scheme, the bearing is fixedly connected to the top of the sliding pressing plate in an embedded mode, and the inner ring of the bearing is fixedly sleeved on the periphery of the bottom end of the main adjusting rod.
In this case, the bottom end of the main adjusting rod and the top of the sliding pressing plate are rotatably connected by a bearing, and in practical application, the bearing can be replaced by other rotary connecting members with the same function.
As the optimization of the technical scheme, the two sides of the wire clamping mechanism are provided with the arc grooves, and the two arc grooves are arranged in a central symmetry mode.
When the wire clamping mechanism rotates, the side corners of the wire clamping mechanism are directly abutted to the cable, and the arc-shaped grooves are formed in the contact positions so that the wire clamping mechanism is more attached to the cable, so that the connection stability between the wire clamping mechanism and the cable is guaranteed, and meanwhile, the damage of the contact part to the cable is reduced.
As the optimization of the technical scheme, the connecting component comprises an arc-shaped slat fixedly connected to the top of the lower jacket, and a supporting rod is detachably arranged between the top of the arc-shaped slat and the bottom of the transverse plate.
As the preference of above-mentioned technical scheme, the top of arc slat and the bottom of diaphragm are all fixedly connected with stabilizer blade, and the both ends of branch pass through the detachable fixed mounting of round pin pole on the stabilizer blade.
Through designing coupling assembling as detachable structure, the change of the part of being convenient for and the whole of device are assembled, and it is more convenient to use.
As the preference of the technical scheme, one end of the torsion spring is fixedly connected to the periphery of the third nut, the other end of the torsion spring is fixedly connected to the inner wall of the sleeve, and the elastic torsion direction of the torsion spring is the same as the screw thread direction of the second nut screwed by the third nut, so that when the second nut, the transverse plate and other components shake and rotate due to a cable, the third nut can be driven to synchronously rotate against the second nut under the action of the elastic torsion of the torsion spring, and the reverse rotation of the second nut is avoided.
When the torsion spring is installed, certain elastic torsion exists in the torsion spring, and the direction of the elastic torsion is the same as the direction of the threads of the third nut for tightening the second nut.
As the optimization of the technical scheme, the elastic pressing mechanism comprises a bolt rod which movably penetrates through the lower clamping sleeve and the upper clamping sleeve, a backing ring is movably sleeved at the head end of the bolt rod, threads are machined at the head end of the bolt rod, a first nut is sleeved on the threads, a first spring is arranged on one side, far away from the first nut, of the backing ring, and the periphery of the bolt rod is sleeved with the first spring.
Through setting up elasticity hold-down mechanism, make down clamp cover and last clamp cover can press from both sides the cable in the middle of tight fixed under first spring force effect, can cooperate the secondary extrusion of assisting the mechanism simultaneously for cable fixation effect is better.
As the optimization of the technical scheme, the top of the upper jacket is provided with the limiting mechanism, the limiting mechanism comprises a plurality of thread sleeves fixedly connected to the top of the upper jacket, one ends of the thread sleeves, far away from the upper jacket, are fixedly connected with the supporting rods together, the supporting rods are arranged on the periphery of the main adjusting rod in a threaded mode, and the internal threads of the supporting rods are identical to those of the second screw cap.
Through setting up stop gear, can further strengthen the connection and holistic stability between clamp line mechanism and the main regulating rod, when the whole rotation of components such as second nut, coupling assembling, clamp line mechanism back of certain angle simultaneously, the thread bush can support the second nut, avoids clamp line mechanism turned angle too big, the circumstances that the local torsion round of cable took place the contact short circuit.
The beneficial effects of the invention are as follows:
1. When the cable is large in sagging, the cable is easy to swing back and forth under the action of wind force, the cable swings to drive components such as a wire clamping mechanism and a self-adjusting mechanism to swing together, tangential force drives a second nut and a main adjusting rod to rotate in a threaded manner in the swinging process, the second nut is in a rotatable state when moving towards the wire clamping mechanism in a forward threaded manner, the reverse thread is blocked by a third nut in the rotating process, and after the second nut rotates in a forward direction for a certain angle, the third nut is tightly attached to the second nut under the elastic action of a torsion spring, so that the second nut continuously rotates in the forward direction in the swinging process; the second nut continuously rotates forward under the connection action of the transverse plate and the connecting component, and drives the wire clamping mechanism to continuously rotate forward, so that the cable is twisted from the state of fig. 1 to the state of fig. 2, and the cable can be tensioned by local twisting, so that the automatic adjustment of cable sag is realized;
2. In the cable sag adjustment process, the second nut and other components rotate by a certain angle, the bottom end of the main adjusting rod moves towards the upper jacket while rotating by the threads, and the auxiliary pressing mechanism can further press the upper jacket to move towards the lower jacket, so that the cable clamping effect is further achieved, and the cable fixing effect is better;
3. through setting up stop gear, can further strengthen the connection and holistic stability between clamp line mechanism and the main regulating rod, when the whole rotation of components such as second nut, coupling assembling, clamp line mechanism back of certain angle simultaneously, the thread bush can support the second nut, avoids clamp line mechanism turned angle too big, the circumstances that the local torsion round of cable took place the contact short circuit.
Drawings
FIG. 1 is a schematic view showing a three-dimensional top view of the yarn gripping mechanism of the present invention in a non-rotated state;
FIG. 2 is a schematic view showing a three-dimensional top view of the yarn clamping mechanism of the present invention in a rotated state;
FIG. 3 is a schematic view of a sleeve structure according to the present invention;
FIG. 4 is a schematic view showing a three-dimensional bottom view of the yarn gripping mechanism of the present invention in an unrotated state;
FIG. 5 is a schematic view of the elastic pressing mechanism of the present invention;
FIG. 6 is a schematic diagram of the wire clamping mechanism of the present invention;
Fig. 7 is a schematic view showing the internal structure of the fixing cylinder in the present invention.
Drawings
10. A wire clamping mechanism; 11. a lower jacket; 12. a jacket is arranged; 13. an arc-shaped groove; 20. an elastic pressing mechanism; 21. a bolt; 22. a backing ring; 23. a first nut; 24. a first spring; 30. pulling a cable by an insulator; 31. a connecting plate; 40. a self-adjusting mechanism; 41. a main adjusting rod; 42. a cross plate; 43. a connection assembly; 431. arc-shaped laths; 432. a support leg; 433. a support rod; 434. a pin rod; 44. a sleeve; 45. a second nut; 46. a third nut; 47. a torsion spring; 50. a limiting mechanism; 51. a thread sleeve; 52. a support rod; 60. an auxiliary pressing mechanism; 61. a sliding pressure plate; 62. a fixed cylinder; 63. and a second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
As shown in fig. 1 to 3, fig. 1 is a schematic perspective top view of the wire clamping mechanism 10 of the present invention in a non-rotating state, fig. 2 is a schematic perspective top view of the wire clamping mechanism 10 of the present invention in a rotating state, and fig. 3 is a schematic structural view of the sleeve 44 of the present invention.
The cable clamping mechanism 10 comprises a lower jacket 11 and an upper jacket 12, an elastic pressing mechanism 20 is arranged on the cable clamping mechanism 10 and used for clamping the cable, a connecting plate 31 is fixedly connected to the bottom end of the insulator cable 30, and a self-adjusting mechanism 40 is arranged between the connecting plate 31 and the cable clamping mechanism 10 and used for adjusting the cable sag;
The self-adjusting mechanism 40 comprises a main adjusting rod 41 and a sleeve 44 which are fixedly connected with the bottom of the connecting plate 31, a bidirectional thread is processed on the periphery of the main adjusting rod 41, a second nut 45 and a third nut 46 are sleeved on the bidirectional thread, a torsion spring 47 is arranged between the inner wall of the sleeve 44 and the third nut 46, a transverse plate 42 is fixedly sleeved on the periphery of the second nut 45, a connecting component 43 is arranged between the transverse plate 42 and the wire clamping mechanism 10, and an auxiliary pressing mechanism 60 is arranged at the bottom end of the main adjusting rod 41;
The wind force acts on the cable and rocks the transmission of clamp mechanism 10 through coupling assembling 43 to main regulating lever 41, and main regulating lever 41 cooperates with the two-way screw thread drive clamp mechanism 10 unidirectional rotation of second nut 45, third nut 46, and clamp mechanism 10 unidirectional rotation level twists the regulation that the local cable was used for cable sag, and cooperates with auxiliary pressing mechanism 60 further compresses tightly the cable.
When the cable is large in sagging, the cable is easy to swing back and forth under the action of wind force, the cable swings to drive components such as the wire clamping mechanism 10, the self-adjusting mechanism 40 and the like to swing together, tangential force drives the second nut 45 and the main adjusting rod 41 to rotate in a threaded manner in the swinging process, when the second nut 45 rotates in a forward direction, namely moves towards the wire clamping mechanism 10, the second nut 45 is in a rotatable state, when the reverse thread rotates, the second nut 45 is blocked by the third nut 46, and after the second nut 45 rotates in a forward direction by a certain angle, the third nut 46 is tightly attached to the second nut 45 under the elastic action of the torsion spring 47, so that the second nut 45 continuously rotates in a forward direction in the swinging process; the second nut 45 continuously rotates forward under the connection action of the transverse plate 42 and the connection assembly 43 to drive the wire clamping mechanism 10 to continuously rotate forward, so that the cable is twisted from the state of fig. 1 to the state of fig. 2, and the cable can be tensioned by local twisting, so that the automatic adjustment of the cable sag is realized;
In the cable sag adjustment process, the second nut 45 and other components are subjected to screw thread rotation at a certain angle, the bottom end of the main adjusting rod 41 moves towards the upper jacket 12 while the screw thread rotates, the upper jacket 12 can be further extruded to move towards the lower jacket 11 by matching with the auxiliary pressing mechanism 60, the effect of further clamping the cable is achieved, and the cable fixing effect is better.
As shown in fig. 6 and 7, fig. 6 is a schematic structural view of the wire clamping mechanism 10 in the present invention, and fig. 7 is a schematic structural view of the inside of the fixing barrel 62 in the present invention.
The auxiliary pressing mechanism 60 comprises a fixed cylinder 62 fixedly connected to the top of the upper jacket 12 and a sliding pressing plate 61 rotatably connected to the bottom end of the main adjusting rod 41, the sliding pressing plate 61 is slidably connected to the inner wall of the fixed cylinder 62, the bottom of the sliding pressing plate 61 is fixedly connected with a plurality of second springs 63, and the bottom ends of the second springs 63 are fixedly connected to the inner wall of the bottom of the fixed cylinder 62.
The auxiliary pressing mechanism 60 has the following working principle: the main adjusting rod 41 moves towards the upper jacket 12, drives the sliding pressing plate 61 to slide towards the fixed cylinder 62, so as to squeeze the second spring 63, transfer the lower pressure to the elastic potential energy, and further transfer the elastic potential energy of the second spring 63 to the lower jacket 12 through the fixed cylinder 62, thereby playing a role in further clamping the cable, and ensuring better cable fixing effect.
The top of the sliding pressing plate 61 is embedded and fixedly connected with a bearing, and the inner ring of the bearing is fixedly sleeved on the periphery of the bottom end of the main adjusting rod 41; in this case, the bottom end of the main adjusting lever 41 and the top of the sliding pressing plate 61 are rotatably connected by bearings, and in practical application, the bearings may be replaced by other rotary connecting members having the same function.
As shown in fig. 4 and 6, fig. 4 is a schematic view showing a three-dimensional bottom view of the wire clamping mechanism 10 of the present invention in a non-rotated state, and fig. 6 is a schematic view showing the structure of the wire clamping mechanism 10 of the present invention.
The two sides of the wire clamping mechanism 10 are provided with arc grooves 13, and the two arc grooves 13 are arranged in a central symmetry manner.
When the wire clamping mechanism 10 rotates, the side corners of the wire clamping mechanism 10 are directly abutted against the cable, and the arc-shaped groove 13 is arranged at the contact position to enable the wire clamping mechanism to be more attached, so that the connection stability between the wire clamping mechanism 10 and the cable is ensured, and meanwhile, the damage of the contact part to the cable is reduced.
As shown in fig. 1, fig. 1 is a schematic perspective top view of the wire clamping mechanism 10 of the present invention in a non-rotated state.
The connecting assembly 43 comprises an arc-shaped slat 431 fixedly connected to the top of the lower jacket 11, and a supporting rod 433 is detachably arranged between the top of the arc-shaped slat 431 and the bottom of the transverse plate 42; the top of the arcuate slat 431 and the bottom of the cross plate 42 are fixedly connected with legs 432, and the two ends of the strut 433 are detachably and fixedly mounted on the legs 432 by pins 434. Through designing coupling assembling 43 to detachable structure, the change of the part of being convenient for and the whole of device are assembled, and it is more convenient to use.
The top of the upper jacket 12 is provided with a limiting mechanism 50, the limiting mechanism 50 comprises a plurality of thread sleeves 51 fixedly connected to the top of the upper jacket 12, one ends of the thread sleeves 51 far away from the upper jacket 12 are fixedly connected with a supporting rod 52 together, the supporting rod 52 is arranged on the periphery of the main adjusting rod 41 in a threaded sleeved mode, and internal threads of the supporting rod 52 are identical to those of the second nut 45. Through setting up stop gear 50, can further strengthen the connection and holistic stability between clamp wire mechanism 10 and the main regulating rod 41, simultaneously when the whole rotation of components such as second nut 45, coupling assembling 43, clamp wire mechanism 10 back of certain angle, screw thread cover 51 can support second nut 45, avoids clamp wire mechanism 10 rotation angle too big, and the cable local torsion round takes place the condition of contact short circuit.
As shown in fig. 3, fig. 3 shows a schematic view of the sleeve 44 according to the present invention.
One end of the torsion spring 47 is fixedly connected to the periphery of the third nut 46, the other end of the torsion spring 47 is fixedly connected to the inner wall of the sleeve 44, and the elastic torsion direction of the torsion spring 47 is the same as the screw thread direction of the third nut 46 for screwing the second nut 45, so that when the second nut 45, the transverse plate 42 and other components shake and rotate due to cables, the third nut 46 can be driven to synchronously rotate against the second nut 45 under the action of the elastic torsion of the torsion spring 47, and the reverse rotation of the second nut 45 is avoided.
When the torsion spring 47 is mounted, the torsion spring 47 has a certain elastic torsion force, and the direction of the elastic torsion force is the same as the direction in which the third nut 46 is screwed to the second nut 45.
As shown in fig. 5, fig. 5 shows a schematic structural view of the elastic pressing mechanism 20 in the present invention.
The elastic pressing mechanism 20 comprises a bolt 21 which movably penetrates through the lower clamping sleeve 11 and the upper clamping sleeve 12, a backing ring 22 is movably sleeved at the head end of the bolt 21, a first nut 23 is arranged at the head end of the bolt 21 in a threaded and threaded sleeve mode, a first spring 24 is arranged at one side, far away from the first nut 23, of the backing ring 22, and the periphery of the bolt 21 is sleeved with the first spring 24.
By arranging the elastic pressing mechanism 20, the lower jacket 11 and the upper jacket 12 can clamp and fix the middle cable under the elastic action of the first spring 24, and meanwhile, the secondary extrusion of the auxiliary pressing mechanism 60 can be matched, so that the cable fixing effect is better.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.
Claims (9)
1. The narrow-base angle steel tower with the adjustable cable sag comprises a wire clamping mechanism (10) and an insulator cable pulling mechanism (30), wherein the wire clamping mechanism (10) comprises a lower jacket (11) and an upper jacket (12), an elastic pressing mechanism (20) is arranged on the wire clamping mechanism (10) and used for clamping the cable, and a connecting plate (31) is fixedly connected with the bottom end of the insulator cable pulling mechanism (30), and the narrow-base angle steel tower is characterized in that a self-adjusting mechanism (40) is arranged between the connecting plate (31) and the wire clamping mechanism (10) and used for adjusting the cable sag;
The self-adjusting mechanism (40) comprises a main adjusting rod (41) and a sleeve (44) which are fixedly connected with the bottom of the connecting plate (31), bidirectional threads are machined on the periphery of the main adjusting rod (41), a second nut (45) and a third nut (46) are sleeved on the bidirectional threads, a torsion spring (47) is arranged between the inner wall of the sleeve (44) and the third nut (46), a transverse plate (42) is fixedly sleeved on the periphery of the second nut (45), a connecting assembly (43) is arranged between the transverse plate (42) and the wire clamping mechanism (10), and an auxiliary pressing mechanism (60) is arranged at the bottom end of the main adjusting rod (41);
Wind force acts on the cable and rocks the transmission of clamp line mechanism (10) through coupling assembling (43) to main regulating rod (41), and main regulating rod (41) cooperation second nut (45), the two-way screw thread drive clamp line mechanism (10) one-way rotation of third nut (46), clamp line mechanism (10) one-way rotation level torsion local cable are used for the regulation of cable sag, and cooperate auxiliary pressing mechanism (60) to further compress tightly the cable.
2. The cable sag adjustable narrow-base angle steel tower according to claim 1, wherein the auxiliary pressing mechanism (60) comprises a fixed cylinder (62) fixedly connected to the top of the upper jacket (12) and a sliding pressing plate (61) rotatably connected to the bottom end of the main adjusting rod (41), the sliding pressing plate (61) is slidably connected to the inner wall of the fixed cylinder (62), a plurality of second springs (63) are fixedly connected to the bottom of the sliding pressing plate (61), and the bottom ends of the second springs (63) are fixedly connected to the inner wall of the bottom of the fixed cylinder (62).
3. The narrow-base angle steel tower with adjustable cable sag according to claim 2, wherein a bearing is fixedly connected to the top of the sliding pressing plate (61) in an embedded manner, and an inner ring of the bearing is fixedly sleeved on the periphery of the bottom end of the main adjusting rod (41).
4. The narrow-base angle steel tower with adjustable cable sag according to claim 1, wherein arc-shaped grooves (13) are arranged on two sides of the wire clamping mechanism (10), and the two arc-shaped grooves (13) are arranged in a central symmetry mode.
5. The narrow-base angle tower with adjustable cable sag according to claim 1, wherein the connecting assembly (43) comprises an arc-shaped slat (431) fixedly connected to the top of the lower jacket (11), and a strut (433) is detachably mounted between the top of the arc-shaped slat (431) and the bottom of the cross plate (42).
6. The narrow-base angle steel tower with adjustable cable sag according to claim 5, wherein the top of the arc-shaped slat (431) and the bottom of the transverse plate (42) are fixedly connected with supporting legs (432), and two ends of the supporting rod (433) are detachably and fixedly installed on the supporting legs (432) through pin rods (434).
7. The narrow-base angle steel tower with adjustable cable sag according to claim 1, wherein one end of the torsion spring (47) is fixedly connected to the periphery of the third nut (46), the other end of the torsion spring (47) is fixedly connected to the inner wall of the sleeve (44), and the elastic torsion direction of the torsion spring (47) is the same as the screw thread direction of the third nut (46) for screwing the second nut (45).
8. The cable sag-adjustable narrow-base angle steel tower according to claim 1, wherein the elastic pressing mechanism (20) comprises a bolt (21) which movably penetrates through the lower jacket (11) and the upper jacket (12), a backing ring (22) is movably sleeved at the head end of the bolt (21), threads are machined at the head end of the bolt (21) and provided with a first nut (23) in a threaded sleeve manner, a first spring (24) is arranged on one side, far away from the first nut (23), of the backing ring (22), and the first spring (24) is sleeved on the periphery of the bolt (21).
9. The narrow-base angle steel tower with adjustable cable sag according to claim 1, wherein a limiting mechanism (50) is arranged at the top of the upper jacket (12), the limiting mechanism (50) comprises a plurality of thread sleeves (51) fixedly connected to the top of the upper jacket (12), one ends of the thread sleeves (51) far away from the upper jacket (12) are fixedly connected with a supporting rod (52) together, the supporting rod (52) is sleeved on the periphery of the main adjusting rod (41) in a threaded mode, and internal threads of the supporting rod (52) are identical to those of the second nut (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311241856.3A CN117277185B (en) | 2023-09-25 | 2023-09-25 | Narrow base angle steel tower with adjustable cable sag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311241856.3A CN117277185B (en) | 2023-09-25 | 2023-09-25 | Narrow base angle steel tower with adjustable cable sag |
Publications (2)
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| CN117277185A (en) | 2023-12-22 |
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