CN115506644A - Narrow base angle steel cable terminal tower - Google Patents

Abstract

The invention belongs to the technical field of power equipment, and particularly relates to a narrow-base angle steel cable terminal tower. The cable platform provided by the invention adopts the idea of combining the tower body lap joint and the independent support frame, so that the stability of the cable platform is ensured, meanwhile, the occupied area of the cable platform can be reduced, and the supporting part provided by the invention can be used for a maintainer to climb, so that the cable platform can also be used as a maintenance platform, and the applicability of the cable platform is improved.

Description

Narrow base angle steel cable terminal tower

Technical Field

The invention belongs to the technical field of power equipment, and particularly relates to a narrow-base angle steel cable terminal tower.

Background

The cable terminal tower is a steel structure tower which is used for supporting and fixing a cable terminal, ensuring the safe distance between terminals and effectively connecting with an overhead line. For the effect of erecting the cable terminal tower, the larger the cable terminal tower is, the better the cable terminal tower is, but the occupied area is large and conflicts with municipal planning and land resources, and the usage amount of large terminal tower steel is also large, so that the narrow-base angle steel cable terminal tower is mostly adopted in the erection place of the terminal tower.

The tower body of the narrow-base angle steel cable terminal tower is built by adopting angle steel, a cable platform is arranged at the lower end of the narrow-base angle steel cable terminal tower and used for locking power fittings of a connecting cable, and the cable platform is mostly installed by adopting a mode of being connected to the tower body or being built independently; because the last power accessory of cable platform needs often to maintain, the cable platform of connection at the body of the tower is not convenient for maintenance personal to maintain, and to the cable platform of independently buildding, area is great, can't set up to the great area of area restriction.

The cable platform of the existing narrow-base angle steel cable terminal tower has the following problems when in use: firstly, the installation position of a power insulator on a cable terminal tower is often required to be adjusted according to actual conditions, and the installation position adjustment of the existing power insulator requires the re-processing of corresponding accessories, so that the position adjustment is complicated; the cable platform connected to the tower body has low support stability, so that potential safety hazards are easy to generate; in addition, when the electric insulator is installed, a plurality of persons are required to perform auxiliary operation, the installation is complicated, and the electric insulator has the hidden danger of damage in extreme weather.

Disclosure of Invention

Aiming at the defects of the prior art, the invention discloses a narrow-base angle steel cable terminal tower which is used for solving the existing problems.

In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a narrow base angle steel cable termination tower, includes the tower body of being built by the angle steel, and cable platform is installed to the lower extreme bilateral symmetry of tower body, cable platform includes the platform frame, and the one end that the tower body was kept away from to the platform frame is provided with the back shaft, and the middle part of back shaft is connected with the supporting part, and the supporting part is used for carrying out the bearing to one side that the tower body was kept away from to the platform frame, and the bilateral symmetry of platform frame is provided with the sliding tray, and the lower lateral wall of sliding tray is provided with waist shape hole, and the equal slip of waist shape of every sliding tray is provided with a plurality of installation sliders, all installs the locking platform between the installation slider of relative position on two sliding trays.

One of them locking platform is last evenly to be provided with along its length direction and supplies the frame of setting up of insulator installation, every sets up and all is provided with two centre gripping external members on the frame, the centre gripping external member is used for pressing from both sides when the insulator is installed and protects the location and protect it in the insulator use, the centre gripping external member is including installing the slip extension board at setting up a both ends, be connected with the slip cardboard through sliding fit's mode on the slip extension board, the clamp cover is all installed to the opposite side of setting up two slip cardboards on the frame, it is omega type structure to press from both sides the cover, be provided with the insulating cover in the clamp cover, be provided with spacing slide bar between two clamp covers, the middle part cover of spacing slide bar is equipped with the centre gripping elastic component, the centre gripping elastic component is connected between two clamp covers.

The supporting shaft is used for rotating and adjusting on the platform frame, so that the supporting angle of the supporting part can be freely adjusted according to the installation space.

Furthermore, the bottom of the installation sliding block is provided with a sliding column, the lower end of the sliding column is provided with external threads, and the sliding column penetrates through the waist-shaped hole and is locked at the bottom of the platform frame through a nut.

Further, the last side of installation slider flushes with the last side of platform frame, and the equal integrated into one piece in the last side both ends of installation slider has the screens arch, and locking platform comprises the channel-section steel that two parallels were arranged, and the channel-section steel blocks respectively to be established in the screens arch, and the both ends of channel-section steel take respectively the last side of platform frame, lock through bolt screw complex mode between channel-section steel and the screens arch.

Furthermore, the middle part of the clamping sleeve is vertically provided with an adjusting sliding groove, the side face, close to the clamping sleeve, of the insulating sleeve is provided with an adjusting rod matched with the adjusting sliding groove, the outer side face, located on the clamping sleeve, of the adjusting rod is provided with an arc-shaped anti-slip mat, and the side face, far away from the clamping sleeve, of the insulating sleeve is provided with an insulating bulge matched with the insulator.

Furthermore, the upper side face of the sliding clamping plate is provided with a pulling block, and one side of the sliding clamping plate, which is far away from the jacket, is vertically provided with a T-shaped inserted rod in a sliding manner.

Furthermore, the lower extreme symmetry of platform frame is provided with oblique branch, and oblique branch locks in the side of tower body.

Further, the back shaft rotates to be connected on the platform frame, and the both ends of back shaft all are provided with the external screw thread that has sharp spout, and the external screw thread position of back shaft is connected with the regulation swivel nut, and the one end that the back shaft middle part was kept away from to the regulation swivel nut rotates and is connected with the position sleeve, and the straight line spout sliding fit of external screw thread on position sleeve and the back shaft, the lateral surface of position sleeve are provided with the star tooth, and the side of platform frame is provided with and sheathes in star tooth matched with star spout with the position sleeve.

Further, the supporting part is including connecting the link in supporting epaxial, and the bottom of link is provided with the climbing frame, and the side of climbing frame is provided with slope and the climbing pole of level staggered arrangement, and the bottom of climbing frame is provided with the cooperation pole, and the bottom of cooperation pole is connected with the piece of burying underground that is used for increasing supporting part support intensity.

Furthermore, the embedded member is of an inverted cone structure, the upper portions of the two opposite sides of the two matching rods are provided with blocking plates, the lower portions of the two opposite sides of the two matching rods are provided with oblique angle expansion pieces, the side faces of the oblique angle expansion pieces are provided with retraction pull rods, the retraction pull rods penetrate through the matching rods and extend into the climbing frame, the upper end of the embedded member is clamped between the blocking plates and the oblique angle expansion pieces, and the side faces of the embedded member and the lower end of the climbing frame are fastened through bolts.

Furthermore, the embedded part is symmetrically distributed with raised inserting plates, the raised inserting plates are provided with transverse teeth which are in sliding fit with the side wall of the embedded part, and the transverse teeth are in two states of contraction and extension in the embedded part.

Compared with the prior art, the invention has the following beneficial effects:

1. the cable platform adopts the idea of combining the tower body lap joint with the independent support frame, the stability of the cable platform is ensured, meanwhile, the occupied area of the cable platform can be reduced, and the supporting part arranged in the cable platform can be used for a maintainer to climb, so that the cable platform can be used as a maintenance platform, and the applicability of the cable platform is improved; the cable platform can quickly adjust the installation position of the electric insulator and clamp and protect the electric insulator when the electric insulator is installed, so that the installation efficiency of the electric insulator is improved.

2. According to the invention, the installation sliding block slides in the sliding groove, so that the locking position of the insulator on the locking platform is adjusted, and after the position adjustment of the installation sliding block is completed, the installation sliding block is locked at the lower end of the platform frame through the bottom of the sliding column, so that the position of the installation sliding block is locked.

3. The clamping and protecting positioning of the clamping sleeve on the insulator is convenient for the installation of the insulator and the cable, and meanwhile, in order to increase the stability of the cable terminal tower in an extreme environment, the clamping sleeve can clamp and protect the insulator in the extreme environment, so that the insulator is prevented from being damaged and the like; when need not the centre gripping external member and carry out the centre gripping to the insulator, pull the piece through artifical outside pulling for T type inserted bar removes the lateral surface of slip extension board, and T type inserted bar can the lapse and support the lateral surface at the slip extension board, makes to press from both sides the cover phase separation.

4. The climbing frame can be used for climbing by maintenance workers, so that the power elements on the cable platform can be maintained conveniently, and the embedded part is buried in a foundation, so that the stability of the cable platform is improved.

5. The transverse teeth on the embedded member can increase the stability of the transverse teeth embedded in a foundation, the transverse teeth are in a contraction state and an extension state in the embedded member, the transverse teeth are in the contraction state in the initial state, the embedded member is convenient to carry and install, and when the embedded member is embedded, the transverse teeth are moved to the extension state.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

Fig. 1 is a first perspective view of a cable platform according to the present invention.

Fig. 2 is a second perspective view of the cable platform of the present invention.

Fig. 3 is a schematic structural view of the platform frame, the supporting shaft and the supporting part in the cable platform of the present invention.

Fig. 4 is a schematic view of the structure between the adjusting screw sleeve, the positioning sleeve and the star-shaped teeth in the cable platform of the present invention.

Fig. 5 is a cross-sectional view of a support portion for adjusting the position of a cross-tooth using a threaded rotating rod in a cable platform according to the present invention.

Fig. 6 is a partial sectional view of a support portion for adjusting the position of a cross-tooth using a positioning insertion rod in a cable platform according to the present invention.

Fig. 7 is a schematic view of the structure between the erection frame and the clamping sleeve in the cable platform of the present invention.

Fig. 8 is a first arrangement of the narrow base angle steel cable termination tower of the present invention.

Fig. 9 is a second arrangement of the narrow base angle steel cable termination tower of the present invention.

Fig. 10 is a third arrangement of the narrow base angle steel cable termination tower of the present invention.

In the figure: 1. a platform frame; 11. a sliding groove; 12. a waist-shaped hole; 13. installing a sliding block; 131. a clamping bulge; 14. a sliding post; 15. a diagonal strut; 2. a support shaft; 21. adjusting a threaded sleeve; 22. a positioning sleeve; 23. a star-shaped tooth; 3. a support portion; 31. a connecting frame; 32. a climbing frame; 33. climbing a pole; 34. a mating rod; 35. burying a member; 351. a raised inserting plate; 352. transverse teeth; 36. a blocking plate; 37. a bevel angle telescoping member; 38. retracting the pull rod; 4. locking the platform; 41. erecting a frame; 5. a clamping sleeve member; 51. a sliding support plate; 52. a sliding clamping plate; 521. pulling the block; 522. a T-shaped inserted link; 53. a jacket; 54. an insulating sleeve; 55. a limiting slide bar; 56. clamping the elastic member; 57. adjusting the chute; 58. adjusting a rod; 59. an arc-shaped anti-skid pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 8, a narrow base angle steel cable termination tower, include the tower body of being built by the angle steel, the cable platform is installed to the lower extreme bilateral symmetry of tower body, the cable platform includes platform frame 1, the lower extreme symmetry of stating platform frame 1 is provided with oblique branch 15, oblique branch 15 locks in the side of tower body, lock through the bolt between platform frame 1's side and the tower body, lock through the bolt between oblique branch 15 and the tower body, can increase platform frame 1's stability through oblique branch 15, oblique branch 15 sets up the position of position and cable and intersects the mistake, prevent that oblique branch 15 from influencing the winding displacement of cable.

Referring to fig. 2 and 3, sliding grooves 11 are symmetrically arranged on two sides of the platform frame 1, a waist-shaped hole 12 is formed in the lower side wall of each sliding groove 11, a plurality of installation sliders 13 are slidably arranged in the waist-shaped hole 12 of each sliding groove 11, and a locking platform 4 is arranged between the installation sliders 13 which are opposite to each other on the two sliding grooves 11; locking platform 4 is used for the installation of insulator, arrester or other electric power component, the bottom of installation slider 13 is provided with slip post 14, the lower extreme of slip post 14 is provided with the external screw thread, slip post 14 passes waist shape hole 12 and locks in the bottom of platform frame 1 through the nut, through sliding installation slider 13 in sliding tray 11, thereby adjust the latched position of locking platform 4, after the position control of installation slider 13 was accomplished, through the bottom locking at the lower extreme of platform frame 1 of slip post 14, make the position of installation slider 13 obtain the locking.

Refer to fig. 3, the last side of installation slider 13 flushes with platform frame 1's the last side, the equal integrated into one piece in the last side both ends of installation slider 13 has the protruding 131 of screens, locking platform 4 comprises the channel-section steel that two parallels were arranged, the channel-section steel blocks respectively and establishes on the protruding 131 of screens, and the last side of platform frame 1 is taken respectively at the both ends of channel-section steel, lock through bolt screw complex mode between channel-section steel and the protruding 131 of screens, when locking platform 4 installs, at first with the channel-section steel card on the protruding 131 of screens, make the position obtain the location about the channel-section steel, and the last side of platform frame 1 can be taken to the bottom of channel-section steel, thereby increase the stability of channel-section steel, later fasten the channel-section steel on the protruding 131 of screens through the bolt, can make the channel-section steel obtain omnidirectional locking through above-mentioned locking mode, increase locking platform 4's stability, and locking platform 4's position control can be applicable to different installation environment.

Referring to fig. 7, the erection frames 41 for installing the insulators are uniformly arranged on one of the locking platforms 4 along the length direction thereof, each erection frame 41 is provided with two clamping sleeve members 5, the clamping sleeve members 5 are used for clamping, protecting and positioning the insulators during installation of the insulators and protecting the insulators during use, the clamping sleeve members 5 are used for clamping, protecting and positioning the insulators so as to facilitate installation of the insulators and cables, meanwhile, in order to increase the stability of the cable terminal tower in an extreme environment, the clamping sleeve members 5 can clamp and protect the insulators in the extreme environment so as to prevent the insulators from being damaged, meanwhile, the clamping sleeve members 5 can also relieve clamping of the insulators when not in use so as to facilitate maintenance of the insulators, the clamping sleeve members 5 comprise sliding support plates 51 arranged at two ends of the erection frame 41, the sliding support plate 51 is connected with a sliding clamping plate 52 in a sliding fit mode, clamping sleeves 53 are installed on the opposite sides of the two sliding clamping plates 52 on the erection frame 41, each clamping sleeve 53 is of an omega-shaped structure, an insulating sleeve 54 is arranged in each clamping sleeve 53, a limiting sliding rod 55 is arranged between the two clamping sleeves 53, a clamping elastic part 56 is sleeved in the middle of each limiting sliding rod 55, the clamping elastic parts 56 are connected between the two clamping sleeves 53, the two clamping sleeves 53 are enabled to have potential energy moving towards the insulator through the clamping elastic parts 56, the insulator can be positioned and clamped by the insulating sleeve 54, the installation accuracy of the insulator is improved, and the sliding support plate 51 is in sliding connection with the sliding clamping plate 52 in a T-shaped sliding block and T-shaped sliding groove matching mode in the embodiment. It should be noted that the clamping force of the clamping elastic element 56 on the insulator does not damage the insulator, and the clamping elastic element 56 may be a rubber spring or a composite spring.

Continuing to refer to fig. 7, an adjusting chute 57 is vertically arranged in the middle of the jacket 53, an adjusting rod 58 matched with the adjusting chute 57 is arranged on the side surface of the insulating sleeve 54 close to the jacket 53, an arc-shaped anti-slip pad 59 is arranged on the adjusting rod 58 and on the outer side surface of the jacket 53, an insulating protrusion matched with the insulator is arranged on the side surface of the insulating sleeve 54 far away from the jacket 53, the arc-shaped anti-slip pad 59 is attached to the outer side wall of the jacket 53 without external force, so that the insulating sleeve 54 is in a stable state, and when the insulating protrusion on the insulating sleeve 54 deviates from the concave position of the insulator, the insulating protrusion on the insulating sleeve 54 is matched with the concave position of the insulator by adjusting the position of the adjusting rod 58 up and down.

With reference to fig. 7, the upper side of the sliding clamping plate 52 is provided with a pulling block 521, one side of the sliding clamping plate 52 away from the jacket 53 is vertically and slidably provided with a T-shaped inserting rod 522, when the insulator is not clamped by the clamping kit 5, the pulling block 521 is manually pulled outwards, so that the T-shaped inserting rod 522 moves to the outer side of the sliding support plate 51, and the T-shaped inserting rod 522 slides downwards and abuts against the outer side of the sliding support plate 51, so that the jacket 53 is separated.

Referring to fig. 1, a supporting shaft 2 is arranged at one end, away from the tower body, of a platform frame 1, a supporting portion 3 is connected to the middle of the supporting shaft 2, the supporting portion 3 is used for supporting one side, away from the tower body, of the platform frame 1, the supporting shaft 2 is used for being rotatably adjusted on the platform frame 1, so that a supporting angle of the supporting portion 3 can be freely adjusted according to an installation space, the narrow base cable terminal tower is limited by an installation site, and the supporting portion 3 does not have enough installation space when being inclined outwards or arranged vertically, as shown in fig. 10, the installation angle of the supporting portion 3 can be changed through angle adjustment, and the applicability of the narrow base cable terminal tower is improved; when the cable termination tower site is large, the installation mode shown in fig. 9 can be adopted, the support effect of the installation mode of the cable termination tower in fig. 9 is optimal, and the support part 3 which inclines outwards can be more convenient for maintenance personnel to climb.

Referring to fig. 1 and 4, the supporting shaft 2 is rotatably connected to the platform frame 1, external threads with linear sliding grooves are arranged at two ends of the supporting shaft 2, an adjusting threaded sleeve 21 is connected to the position of the external threads of the supporting shaft 2, one end, far away from the middle of the supporting shaft 2, of the adjusting threaded sleeve 21 is rotatably connected with a positioning sleeve 22, the positioning sleeve 22 is in sliding fit with the linear sliding grooves of the external threads on the supporting shaft 2, star-shaped teeth 23 are arranged on the outer side face of the positioning sleeve 22, a star-shaped sliding groove matched with the star-shaped teeth 23 on the positioning sleeve 22 is formed in the side face of the platform frame 1, the supporting shaft 2 can be rotatably adjusted and locked after being rotatably adjusted, stability between the supporting shaft 2 and the platform frame 1 is improved, specifically, the star-shaped teeth 23 on the positioning sleeve 22 are shifted out of the star-shaped sliding grooves by rotating the adjusting threaded sleeve 21, the supporting shaft 2 is rotated by a corresponding angle, and then the adjusting threaded sleeve 21 is rotated reversely, and the star-shaped teeth 23 on the positioning sleeve 22 are inserted into the star-shaped sliding grooves again.

Referring to fig. 5, the supporting portion 3 includes a connecting frame 31 connected to the supporting shaft 2, a climbing frame 32 is arranged at the bottom of the connecting frame 31, climbing rods 33 arranged in a slanting and horizontal staggered manner are arranged on the side of the climbing frame 32, a matching rod 34 is arranged at the bottom of the climbing frame 32, an embedded member 35 used for increasing the supporting strength of the supporting portion 3 is connected to the bottom of the matching rod 34, the climbing frame 32 can be climbed by maintenance workers, so that the power element on the cable platform can be maintained, the embedded member 35 is embedded in the ground, the embedded member 35 is detachably connected with the matching rod 34 and the climbing rod 33, and the embedded member 35 is separated from other parts of the cable support during later-stage power engineering transformation.

Referring to fig. 6, the embedded member 35 is an inverted cone structure, the upper portions of the opposite sides of the two matching rods 34 are provided with blocking plates 36, the lower portions of the opposite sides of the two matching rods 34 are provided with oblique angle telescopic members 37, the side surfaces of the oblique angle telescopic members 37 are provided with retraction pull rods 38, the retraction pull rods 38 penetrate the matching rods 34 and extend into the climbing frame 32, the upper end of the embedded member 35 is clamped between the blocking plates 36 and the oblique angle telescopic members 37, the side surfaces of the embedded member 35 and the lower end of the climbing frame 32 are fastened through bolts, the embedded member 35 can be rapidly assembled on the matching rods 34 in an insertion mode and is connected through bolts at different positions, so that the stability of the embedded member is improved, specifically, when the embedded member 35 is assembled on the matching rods 34, the clamping end of the upper end of the embedded member 35 is sleeved on the lower end of the climbing frame 32, when the clamping end of the embedded member 35 is in contact with the oblique angle telescopic members 37, the oblique angle telescopic members 37 automatically contract, when the embedded member 35 is abutted against the embedded member 36, the clamping end of the embedded member 35 is separated from the oblique angle telescopic members 37, so that the embedded member 35 can be locked at the lower end of the oblique angle telescopic member 37, and the embedded member 35 can be pulled to the lower end of the embedded member 35, and the embedded member 35 can be pulled down when the embedded member 35 is assembled.

Referring to fig. 6, in order to increase the stability of buried member 35 buried in the ground, set up horizontal tooth 352 that can stretch out on buried member 35, can increase the stability of buried member 35 and the concrete of pouring in the ground through horizontal tooth 352, buried member 35 internal symmetry distributes has protruding picture peg 351, be provided with on the protruding picture peg 351 with buried member 35 lateral wall looks sliding fit's horizontal tooth 352, horizontal tooth 352 is in shrink and stretches out two kinds of states in buried member 35, horizontal tooth 352 is in the shrink state under the initial condition, be convenient for the transport and the installation of buried member 35, when buried member 35 buries underground, move horizontal tooth 352 to the state of stretching out, the mode of setting of horizontal tooth 352 is in this embodiment: as shown in fig. 6, all be provided with two interlude holes on every horizontal tine 352, the constant head tank has been seted up in the lateral wall of burying underground 35 run through, and the upper end of burying underground 35 constant head tank is provided with the internal thread, when needs horizontal tine 352 to be in the shrink state, align the interlude hole and the constant head tank of outer end on the horizontal tine 352, then link up it through the pole of interlude of location, the upper end of pole of interlude of location is provided with the external screw thread, and through the external screw thread locking on the pole of interlude of location in the internal thread of constant head tank, the operation when needs horizontal tine 352 to be in the stretching out state is the same.

In addition, in other embodiments, the adjustment of the horizontal teeth 352 may also adopt other manners, as shown in fig. 5, a threaded rotating rod is rotationally connected in the middle of the embedded part 35, a threaded moving block is connected in the middle of the threaded rotating rod in a threaded matching manner, a pushing rod is connected between the side surface of the threaded moving block and the protruding insertion plate 351 in a hinged manner, a screwing end is arranged at the bottom of the threaded rotating rod and on the lower side surface of the embedded part 35, the horizontal teeth 352 can automatically extend and retract through the screwing end of the threaded rotating rod, the operation manner can freely adjust the extension length of the horizontal teeth 352, and the operation is more convenient.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (10)

1. The narrow-base angle steel cable terminal tower comprises a tower body constructed by angle steel, wherein cable platforms are symmetrically installed on two sides of the lower end of the tower body, and is characterized in that each cable platform comprises a platform frame (1), a supporting shaft (2) is arranged at one end, far away from the tower body, of each platform frame (1), a supporting part (3) is connected to the middle of each supporting shaft (2), each supporting part (3) is used for supporting one side, far away from the tower body, of each platform frame (1), sliding grooves (11) are symmetrically arranged on two sides of each platform frame (1), waist-shaped holes (12) are formed in the lower side walls of the sliding grooves (11), a plurality of installation sliding blocks (13) are arranged in the waist-shaped holes of each sliding groove (11) in a sliding mode, and a locking platform (4) is installed between the installation sliding blocks (13) which are opposite in position on the two sliding grooves (11);

the insulator installation device comprises a locking platform (4), wherein erection frames (41) for insulator installation are uniformly arranged on one locking platform (4) along the length direction of the locking platform, each erection frame (41) is provided with two clamping kits (5), each clamping kit (5) is used for clamping, protecting and positioning the insulator when the insulator is installed and protecting the insulator in the using process, each clamping kit (5) comprises sliding support plates (51) installed at two ends of the erection frame (41), each sliding support plate (51) is connected with a sliding clamping plate (52) in a sliding fit mode, clamping sleeves (53) are respectively installed on the opposite sides of the two sliding clamping plates (52) on the erection frame (41), each clamping sleeve (53) is of an omega-shaped structure, an insulating sleeve (54) is arranged in each clamping sleeve (53), a limiting sliding rod (55) is arranged between the two clamping sleeves (53), a clamping elastic piece (56) is sleeved in the middle of each limiting sliding rod (55), and each clamping elastic piece (56) is connected between the two clamping sleeves (53);

the supporting shaft (2) is used for performing rotation adjustment on the platform frame (1), so that the supporting angle of the supporting part (3) can be freely adjusted according to the installation space.

2. The narrow base angle steel cable terminal tower according to claim 1, characterized in that the bottom of the mounting slider (13) is provided with a sliding column (14), the lower end of the sliding column (14) is provided with an external thread, and the sliding column (14) passes through the kidney-shaped hole (12) and is locked at the bottom of the platform frame (1) through a nut.

3. The narrow-base angle steel cable terminal tower as claimed in claim 1, wherein the upper side surface of the installation slider (13) is flush with the upper side surface of the platform frame (1), clamping protrusions (131) are integrally formed at both ends of the upper side surface of the installation slider (13), the locking platform (4) is composed of two parallel channel steels, the channel steels are respectively clamped on the clamping protrusions (131), both ends of the channel steels are respectively lapped on the upper side surface of the platform frame (1), and the channel steels and the clamping protrusions (131) are locked in a bolt-screw hole matching mode.

4. The narrow-base angle steel cable terminal tower according to claim 1, characterized in that the middle of the jacket (53) is vertically provided with an adjusting chute (57), the side of the insulating sleeve (54) close to the jacket (53) is provided with an adjusting rod (58) matched with the adjusting chute (57), the outer side of the adjusting rod (58) and located on the jacket (53) is provided with an arc-shaped anti-skid pad (59), and the side of the insulating sleeve (54) far away from the jacket (53) is provided with an insulating bulge matched with an insulator.

5. The narrow base angle steel cable terminal tower of claim 1, characterized in that the sliding clamp plate (52) is provided with a pulling block (521) on the upper side, and a T-shaped inserting rod (522) is vertically and slidably arranged on the side of the sliding clamp plate (52) far away from the jacket (53).

6. The narrow base angle steel cable termination tower of claim 1, characterized in that the lower end of the platform frame (1) is symmetrically provided with diagonal braces (15), and the diagonal braces (15) are locked at the side of the tower body.

7. The narrow-base angle steel cable terminal tower according to claim 1, characterized in that the supporting shaft (2) is rotatably connected to the platform frame (1), both ends of the supporting shaft (2) are provided with external threads with linear sliding grooves, the external thread position of the supporting shaft (2) is connected with an adjusting threaded sleeve (21), one end of the adjusting threaded sleeve (21) far away from the middle part of the supporting shaft (2) is rotatably connected with a positioning sleeve (22), the positioning sleeve (22) is in sliding fit with the linear sliding grooves of the external threads on the supporting shaft (2), the outer side surface of the positioning sleeve (22) is provided with star-shaped teeth (23), and the side surface of the platform frame (1) is provided with the star-shaped sliding grooves matched with the star-shaped teeth (23) on the positioning sleeve (22).

8. The narrow-base angle steel cable termination tower according to any one of claims 1 to 7, characterized in that the support part (3) comprises a connecting frame (31) connected to the support shaft (2), a climbing frame (32) is arranged at the bottom of the connecting frame (31), climbing rods (33) arranged obliquely and horizontally in a staggered manner are arranged on the side surfaces of the climbing frame (32), a matching rod (34) is arranged at the bottom of the climbing frame (32), and a buried member (35) for increasing the support strength of the support part (3) is connected to the bottom of the matching rod (34).

9. The narrow-base angle steel cable terminal tower of claim 8, wherein the embedded member (35) is an inverted cone structure, the upper parts of the opposite sides of the two matching rods (34) are provided with a blocking plate (36), the lower parts of the opposite sides of the two matching rods (34) are provided with an oblique angle expansion member (37), the side surfaces of the oblique angle expansion member (37) are provided with a retraction pull rod (38), the retraction pull rod (38) penetrates through the matching rods (34) and extends into the climbing frame (32), the upper end of the embedded member (35) is clamped between the blocking plate (36) and the oblique angle expansion member (37), and the side surfaces of the embedded member (35) and the lower end of the climbing frame (32) are fastened through bolts.

10. The narrow base angle steel cable termination tower of claim 9, characterized in that the buried member (35) has symmetrically distributed therein raised spiles (351), the raised spiles (351) are provided with transverse teeth (352) slidably engaged with the side wall of the buried member (35), and the transverse teeth (352) are in two states of retraction and extension in the buried member (35).

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