CN114961402B - Cross arm with adjustable electric power steel pipe tower is used - Google Patents
Cross arm with adjustable electric power steel pipe tower is used Download PDFInfo
- Publication number
- CN114961402B CN114961402B CN202210785766.XA CN202210785766A CN114961402B CN 114961402 B CN114961402 B CN 114961402B CN 202210785766 A CN202210785766 A CN 202210785766A CN 114961402 B CN114961402 B CN 114961402B
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- sleeve
- rod
- cross arm
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000004323 axial length Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- E04H12/24—Cross arms
-
- 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
-
- 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
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
-
- 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
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/187—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with hinged sections
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention provides an adjustable cross arm for an electric power steel pipe tower, which comprises two symmetrically arranged supporting devices; the supporting device comprises a rectangular sleeve, a rectangular supporting tube, a hoop unit and an auxiliary supporting unit; a transmission unit is arranged in the rectangular supporting tube; the transmission unit comprises a rotating sleeve and a first bevel gear; the auxiliary supporting unit comprises a supporting cylinder, a supporting rod, a positioning sheet and a positioning nut; the support rod is provided with a positioning groove, and the positioning piece is fixedly provided with a positioning block; the positioning groove comprises a guide groove body and an adjusting groove body; the design of the invention can realize the horizontal length adjustment and the inclination angle adjustment in the vertical plane of the cross arm, so that the adjustable area of the fixed position of the cable on the steel pipe tower is larger, the problems that the existing cross arm is of an unadjustable rigid structure and the fixed position of the cable is unadjustable after the cross arm is fixed on the steel pipe tower are solved, the cable is more flexible to set, the operation is convenient, and the operation labor intensity of operators is reduced.
Description
Technical Field
The invention relates to the technical field of electric power steel pipe towers, in particular to an adjustable cross arm for an electric power steel pipe tower.
Background
Currently, cross arms are often required to support and overhead cables on power steel pipe towers. The existing cross arm is of an integrated rigid structure, the preset installation position of the cross arm is usually arranged on the power steel pipe tower, the position of the cross arm arranged on the power steel pipe tower is not adjustable, the position of a cable fixed on the cross arm is fixed, the height of the cable between two adjacent power steel pipe towers is determined by a cable connection point on the cross arm, and the integrated cross arm cannot finely adjust the fixed position of the cable in a horizontal plane and a vertical plane according to use requirements, so that the integrated cross arm is not flexible to use.
Publication number CN113846897A discloses an adjustable cross arm for a steel tube tower, which comprises a cross arm and a mounting block, wherein the mounting block is positioned on one side of the cross arm, a first groove is formed in the center of one side of the mounting block, a second groove is formed in the mounting block, the second groove is communicated with the first groove, a hollow block matched with the first groove is fixedly connected to the center of one end of the cross arm, an arc-shaped block matched with the second groove is arranged on one side of the hollow block, the top end of the arc-shaped block penetrates through one side of the hollow block and slides in the hollow block, an arc-shaped block connecting mechanism is arranged in the hollow block, the cross arm is hollow, a strip-shaped notch is formed in the bottom of the cross arm and horizontally arranged, a sliding block is arranged in the cross arm in a sliding manner, and a jumper rod is arranged in the bottom of the cross arm in a sliding manner and is vertically arranged; the adjustable cross arm for the steel tube tower can only adjust the length of the adjustable cross arm in a horizontal plane when in use, but can not adjust the inclination angle of the adjustable cross arm in a vertical plane, so that the height adjustment of the fixed position of the cable can not be realized, and the fixed height of the cable can not be adjusted.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide an adjustable cross arm for an electric steel pipe tower, so as to solve the problems that the horizontal width and the inclination angle in a vertical plane of the conventional cross arm for the steel pipe tower cannot be adjusted, the fixed position range of a cable is small, and the use flexibility is low.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an adjustable cross arm for an electric power steel pipe tower comprises two symmetrically arranged supporting devices, wherein the two supporting devices are movably connected through bolts; the supporting device comprises a rectangular sleeve, a rectangular supporting tube, a hoop unit and an auxiliary supporting unit;
the rectangular sleeve is sleeved at one end of the rectangular support tube in a sliding manner, and the other end of the rectangular support tube extends towards one end far away from the rectangular sleeve and is pivotally connected to the side face of the anchor ear unit; a transmission unit is rotatably arranged in the rectangular supporting tube; the transmission unit comprises a rotating sleeve and a first bevel gear; the rotating sleeve is rotatably arranged in the rectangular supporting tube, and the axial length direction of the rotating sleeve is the same as the length extending direction of the rectangular supporting tube; the middle part of the rotating sleeve is provided with a threaded hole along the axial direction of the rotating sleeve; the first bevel gear is fixed at one end of the rotating sleeve far away from the rectangular sleeve, and the axis of the first bevel gear is overlapped with the axis of the rotating sleeve; a transmission rod is rotatably arranged on the bottom end surface of the rectangular supporting tube, the top of the transmission rod penetrates into the rectangular supporting tube, a second bevel gear is fixedly arranged at the top end of the transmission rod, and the second bevel gear is meshed with the first bevel gear for transmission; a screw rod is fixedly arranged in the rectangular sleeve along the length direction of the rectangular sleeve, one end of the screw rod penetrates through the threaded hole, and the rotating sleeve is in threaded transmission connection with the screw rod;
the auxiliary supporting unit comprises a supporting cylinder, a supporting rod, a positioning sheet and a positioning nut; one end of the supporting rod is slidably arranged in the supporting cylinder; one end of the supporting cylinder is pivotally connected to the bottom end surface of the rectangular supporting tube, and one end of the supporting rod is pivotally connected to the side surface of the hoop unit; the positioning piece and the positioning nut are movably sleeved on the supporting rod, one side of the positioning piece is abutted on the bottom end surface of the supporting cylinder, and one side of the positioning nut is abutted on the other side of the positioning piece; the support rod is provided with external threads matched with the nuts; the outer side surface of the supporting rod is provided with a positioning groove, the inner side wall of the positioning piece is fixedly provided with a positioning block, and the positioning block is movably arranged in the positioning groove; the constant head tank includes the guide slot body and a plurality of regulation cell body that extend along the length direction of bracing piece, and a plurality of regulation cell bodies equidistant distribution is in the same side of constant head tank.
Preferably, the bottom end surface of the rectangular sleeve is provided with an opening; the bottom end face of rectangle stay tube is fixed to be provided with first connection otic placode, the fixed second connection otic placode that is provided with of one end that is close to first connection otic placode on the support section of thick bamboo, first connection otic placode and second connection otic placode pass through bolt swing joint.
Preferably, the first connection lug plate is obliquely arranged on the bottom end surface of the rectangular supporting tube, and the bottom end of the first connection lug plate extends towards one side close to the supporting tube.
Preferably, the top end face of the rectangular sleeve is fixedly provided with a mounting frame, and the mounting frame is provided with a mounting screw hole.
Preferably, a bearing seat is fixedly arranged outside the rotating sleeve, and the outer ring of the bearing seat is fixedly connected with the inner side wall of the rectangular supporting tube.
Preferably, one end of the supporting rod, which is positioned in the supporting cylinder, is provided with a sliding block, the sliding block is fixed on the outer side wall of the supporting rod, the inner side wall of the supporting cylinder is provided with a sliding groove along the axial length direction of the supporting cylinder, and the sliding block is slidably arranged in the sliding groove.
The design of the invention can realize the horizontal length adjustment and the inclination angle adjustment in the vertical plane of the cross arm, so that the adjustable area of the fixed position of the cable on the steel pipe tower is larger, the problems that the existing cross arm is of an unadjustable rigid structure and the fixed position of the cable is unadjustable after the cross arm is fixed on the steel pipe tower are solved, the cable is more flexible to set, the operation is convenient, and the operation labor intensity of operators is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the support device of FIG. 1;
FIG. 3 is a cross-sectional structural view of FIG. 2;
FIG. 4 is a schematic view of a rectangular sleeve according to the present invention;
FIG. 5 is a schematic view of a rectangular support tube according to the present invention;
FIG. 6 is a structural exploded view of the auxiliary supporting unit according to the present invention;
FIG. 7 is a schematic view of the structure of the hoop unit of the present invention;
FIG. 8 is a schematic view of the construction of the transfer sleeve of the present invention;
FIG. 9 is a schematic diagram of a driving rod according to the present invention;
FIG. 10 is a schematic view of a spacer according to the present invention;
FIG. 11 is a cross-sectional structural view of FIG. 4;
FIG. 12 is a cross-sectional structural view of FIG. 5;
FIG. 13 is a schematic view of the structure of the support cylinder of the present invention;
fig. 14 is a schematic view of the structure of the support bar according to the present invention.
Wherein:
11. a rectangular sleeve; 12. a screw; 13. a mounting frame; 131. installing a screw hole; 21. a rectangular support tube; 22. a first connection lug plate; 3. a hoop unit; 4. an auxiliary supporting unit; 41. positioning a nut; 42. a positioning sheet; 421. a positioning block; 43. a support rod; 431. a guide groove body; 432. a slide block; 433. adjusting the tank body; 44. a support cylinder; 441. a chute; 45. a second connection ear plate; 5. a rotating sleeve; 51. a first bevel gear; 6. a transmission rod; 61. and a second bevel gear.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The adjustable cross arm for the power steel pipe tower is arranged on a tower body of the power steel pipe tower, as shown in fig. 1, and comprises two symmetrically arranged supporting devices, wherein the two supporting devices are movably connected through bolts, are connected into a whole through the bolts, and are fixed on the power steel pipe tower; as shown in fig. 2, 3 and 7, the supporting device comprises a rectangular sleeve 11, a rectangular supporting tube 21, a hoop unit 3 and an auxiliary supporting unit 4;
as shown in fig. 4, 11, 5, 12, 8 and 9, the rectangular sleeve 11 is slidably sleeved at one end of the rectangular support tube 21, the other end of the rectangular support tube 21 extends towards one end far away from the rectangular sleeve 11 and is pivotally connected to the side surface of the anchor ear unit 3, the rectangular sleeve 11 is used for fixing a cable, the rectangular support tube 21 is used for supporting the rectangular sleeve 11 and enabling the rectangular sleeve 11 to slide on the rectangular support tube 21, the rectangular structure is designed to ensure that the rectangular sleeve 11 can slide freely on the rectangular support tube 21, and meanwhile, the rectangular sleeve 11 is prevented from rotating on the rectangular support tube 21 around the axis of the rectangular support tube 21, so that the stability of the rectangular sleeve 11 connected with the cable is ensured; a transmission unit is rotatably arranged inside the rectangular support tube 21; the transmission unit comprises a rotating sleeve 5 and a first bevel gear 51; the rotating sleeve 5 is rotatably arranged in the rectangular supporting tube 21, and the axial length direction of the rotating sleeve 5 is the same as the length extending direction of the rectangular supporting tube 21; the middle part of the rotating sleeve 5 is provided with a threaded hole along the axial direction of the rotating sleeve, and the axis of the threaded hole coincides with the axis of the rotating sleeve 5; the first bevel gear 51 is fixed at one end of the rotating sleeve 5 far away from the rectangular sleeve 11, and the axis of the first bevel gear 51 is coincident with the axis of the rotating sleeve 5; a transmission rod 6 is rotatably arranged on the bottom end surface of the rectangular support tube 21, the top of the transmission rod 6 penetrates into the rectangular support tube 21, a second bevel gear 61 is fixedly arranged at the top end of the transmission rod 6, and the second bevel gear 61 is meshed with the first bevel gear 51 for transmission; a screw rod 12 is fixedly arranged in the rectangular sleeve 11 along the length direction of the rectangular sleeve, one end of the screw rod 12 penetrates through the threaded hole, and the rotating sleeve 5 is in threaded transmission connection with the screw rod 12; the transmission rod 6 outside the rectangular support tube 21 is arranged in a hexagonal shape, the transmission rod 6 is screwed by a hexagonal wrench or other adaptive tools to drive the second bevel gear 61 to rotate, the second bevel gear 61 drives the first bevel gear 51 and the rotating sleeve 5 to rotate, the rotating sleeve 5 is matched with the screw threads of the screw rod 12, and the screw rod 12 is driven to move along the axial direction when the rotating sleeve 5 rotates, so that the rectangular sleeve 11 slides back and forth on the rectangular support tube 21, and the extension and retraction effects are realized;
as shown in fig. 6, 10, 13 and 14, the auxiliary supporting unit 4 is used for providing supporting force to the rectangular supporting tube 21, when the rectangular supporting tube 21 adjusts the inclination angle, the supporting angle is adjusted by the extension and retraction of the auxiliary supporting unit 4, and the auxiliary supporting unit 4 comprises a supporting cylinder 44, a supporting rod 43, a positioning piece 42 and a positioning nut 41; one end of the support rod 43 is slidably arranged in the support cylinder 44, and the support rod 43 can slide in a telescopic manner in the axial direction of the support cylinder 44 in the support cylinder 44; one end of the supporting cylinder 44 is pivotally connected to the bottom end surface of the rectangular supporting tube 21, and one end of the supporting rod 43 is pivotally connected to the side surface of the anchor ear unit 3, so that the supporting cylinder can tilt along with the angle of the rectangular supporting tube 21 to provide supporting forces under different tilting angles; the locating piece 42 and the locating nut 41 are movably sleeved on the supporting rod 43, one side of the locating piece 42 is abutted on the bottom end surface of the supporting cylinder 44, and one side of the locating nut 41 is abutted on the other side of the locating piece 42; the support rod 43 is provided with external threads matched with nuts, when the rectangular support tube 21 rotates upwards to adjust the inclination angle, the support rod 43 slides out of the support tube 44, the whole length of the auxiliary support unit 4 is prolonged, the positioning nut 41 is screwed to abut the positioning piece 42 on the bottom end surface of the support tube 44, and the support tube 44 is fixed by the positioning piece 42 so that the support tube 44 cannot slide downwards along the axial direction of the support rod 43; a positioning groove is formed in the outer side face of the supporting rod 43, a positioning block 421 is fixedly arranged on the inner side wall of the positioning plate 42, and the positioning block 421 is movably arranged in the positioning groove; the positioning groove comprises a guide groove body 431 and a plurality of adjusting groove bodies 433 which extend along the length direction of the supporting rod 43, the adjusting groove bodies 433 are distributed on the same side of the positioning groove at equal intervals, the supporting rod 43 is adjusted to extend out of the length of the supporting cylinder 44, then the positioning piece 42 is slid to the bottom end surface of the supporting cylinder 44, the positioning piece 42 is rotated to enable the positioning piece 421 to be placed in the adjusting groove body 433, the supporting cylinder 44 is supported by the positioning piece 42 first, then the positioning nut 41 is rotated to a preset position to prop against the positioning piece 42, the structure is arranged to ensure that after the inclination angle of the rectangular supporting tube 21 is fixed, the rectangular supporting tube 21 is not required to be supported by hands, the positioning nut 41 is screwed by the other hand, physical strength is saved, the other hand can grasp the steel tube tower, the safety is improved, meanwhile, the setting of the positioning piece 42 can prevent a cable from shaking in wind to drive the supporting cylinder 44 to vibrate on the supporting rod 43, the positioning nut 41 is enabled to rotate under the vibration effect, the supporting cylinder 44 moves towards the supporting rod 43, the supporting angle of the rectangular supporting cylinder 44 is reduced, and the maintenance frequency is increased.
Further, as shown in fig. 4 and 11, the bottom end surface of the rectangular sleeve 11 is provided with an opening; as shown in fig. 5, 12 and 13, a first connection lug plate 22 is fixedly arranged on the bottom end surface of the rectangular support tube 21, a second connection lug plate 45 is fixedly arranged on one end, close to the first connection lug plate 22, of the support tube 44, and the first connection lug plate 22 and the second connection lug plate 45 are movably connected through bolts.
Further, as shown in fig. 5 and 12, the first connection lug 22 is provided obliquely on the bottom end face of the rectangular support tube 21, and the bottom end of the first connection lug 22 extends toward the side close to the support tube 44.
Further, as shown in fig. 4 and 11, a mounting frame 13 is fixedly provided on the top end surface of the rectangular sleeve 11, and a mounting screw hole 131 is provided on the mounting frame 13 for mounting cable fixing components such as a porcelain hoist.
Further, as shown in fig. 8, a bearing seat is fixedly arranged outside the rotating sleeve 5, an outer ring of the bearing seat is fixedly connected with the inner side wall of the rectangular supporting tube 21, and the rotating sleeve 5 can flexibly rotate in the rectangular supporting tube 21 through the arrangement of the bearing seat.
Further, as shown in fig. 13 and 14, a slider 432 is disposed at one end of the support rod 43 located in the support cylinder 44, the slider 432 is fixed on the outer side wall of the support rod 43, a sliding slot 441 is disposed on the inner side wall of the support cylinder 44 along the axial length direction of the inner side wall, and the slider 432 is slidably disposed in the sliding slot 441 to prevent the support rod 43 from sliding out of the support cylinder 44.
When the adjustable cross arm is used, two supporting devices are fixed at the top of a steel pipe tower through bolts, when the horizontal length of the adjustable cross arm is required to be adjusted, a spanner is used for clamping a transmission rod 6 and rotating to drive a rotating sleeve 5 to rotate, as a screw rod 12 can only slide forwards and backwards on a rectangular supporting pipe 21 along with a rectangular sleeve 11 and cannot rotate, under the threaded cooperation effect of the rotating sleeve 5 and the screw rod 12, the rectangular sleeve 11 slides along the length direction of the rectangular supporting pipe 21 along with the rotation of the rotating sleeve 5, the horizontal length adjustment of the adjustable cross arm is realized, meanwhile, a supporting cylinder 44 is driven to slide on a supporting rod 43 when the rectangular sleeve 11 slides, and after the position of the rectangular sleeve 11 is adjusted, the position of the supporting cylinder 44 on the supporting rod 43 is fixed through a positioning piece 42 and a positioning nut 41; when the inclination angle of the rectangular sleeve 11 in the vertical plane needs to be adjusted, the rectangular sleeve 11 is supported to be at a preset inclination angle position, the positioning piece 42 is adjusted to a position propping against the lower end face of the supporting cylinder 44, the positioning piece 421 of the positioning piece 42 is placed into the corresponding adjusting groove body 433, the supporting cylinder 44 is supported by the positioning piece 42, then the hand supporting the rectangular sleeve 11 is loosened, and the positioning piece 42 is fixed by rotating the positioning nut 41.
Claims (5)
1. The adjustable cross arm for the electric power steel pipe tower is characterized by comprising two symmetrically arranged supporting devices, wherein the two supporting devices are movably connected through bolts; the supporting device comprises a rectangular sleeve (11), a rectangular supporting tube (21), a hoop unit (3) and an auxiliary supporting unit (4);
the rectangular sleeve (11) is slidably sleeved at one end of the rectangular supporting tube (21), and the other end of the rectangular supporting tube (21) extends towards one end far away from the rectangular sleeve (11) and is pivotally connected to the side face of the hoop unit (3); a transmission unit is rotatably arranged in the rectangular support tube (21); the transmission unit comprises a rotating sleeve (5) and a first bevel gear (51); the rotating sleeve (5) is rotatably arranged in the rectangular supporting tube (21), and the axial length direction of the rotating sleeve (5) is the same as the length extending direction of the rectangular supporting tube (21); the middle part of the rotating sleeve (5) is provided with a threaded hole along the axial direction; the first bevel gear (51) is fixed at one end, far away from the rectangular sleeve (11), of the rotating sleeve (5), and the axis of the first bevel gear (51) is coincident with the axis of the rotating sleeve (5); a transmission rod (6) is rotatably arranged on the bottom end surface of the rectangular support tube (21), the top of the transmission rod (6) penetrates into the rectangular support tube (21), a second bevel gear (61) is fixedly arranged at the top end of the transmission rod (6), and the second bevel gear (61) is meshed with the first bevel gear (51) for transmission; a screw rod (12) is fixedly arranged in the rectangular sleeve (11) along the length direction of the rectangular sleeve, one end of the screw rod (12) penetrates through the threaded hole, and the rotating sleeve (5) is in threaded transmission connection with the screw rod (12);
the auxiliary supporting unit (4) comprises a supporting cylinder (44), a supporting rod (43), a locating piece (42) and a locating nut (41); one end of the supporting rod (43) is slidably arranged in the supporting cylinder (44); one end of a supporting cylinder (44) is pivotally connected to the bottom end surface of the rectangular supporting tube (21), and one end of a supporting rod (43) is pivotally connected to the side surface of the hoop unit (3); the locating piece (42) and the locating nut (41) are movably sleeved on the supporting rod (43), one side of the locating piece (42) is abutted on the bottom end surface of the supporting cylinder (44), and one side of the locating nut (41) is abutted on the other side of the locating piece (42); an external thread matched with the nut is arranged on the supporting rod (43); a positioning groove is formed in the outer side face of the supporting rod (43), a positioning block (421) is fixedly arranged on the inner side wall of the positioning sheet (42), and the positioning block (421) is movably arranged in the positioning groove; the positioning groove comprises a guide groove body (431) and a plurality of adjusting groove bodies (433) which extend along the length direction of the supporting rod (43), and the plurality of adjusting groove bodies (433) are distributed on the same side of the positioning groove at equal intervals;
one end of the supporting rod (43) positioned in the supporting cylinder (44) is provided with a sliding block (432), the sliding block (432) is fixed on the outer side wall of the supporting rod (43), the inner side wall of the supporting cylinder (44) is provided with a sliding groove (441) along the axial length direction of the supporting cylinder, and the sliding block (432) is slidably arranged in the sliding groove (441).
2. An adjustable crossarm for a power steel pipe tower according to claim 1, characterized in that the bottom end surface of the rectangular sleeve (11) is provided with an opening; the bottom end surface of rectangle stay tube (21) is fixed and is provided with first connection otic placode (22), the fixed second connection otic placode (45) that is provided with of one end that is close to first connection otic placode (22) on the support section of thick bamboo (44), first connection otic placode (22) and second connection otic placode (45) pass through bolt swing joint.
3. An adjustable cross arm for a power steel pipe tower according to claim 2, wherein the first connecting lug plate (22) is obliquely arranged on the bottom end surface of the rectangular supporting pipe (21), and the bottom end of the first connecting lug plate (22) extends towards the side close to the supporting cylinder (44).
4. An adjustable cross arm for a power steel pipe tower as claimed in claim 1, 2 or 3, wherein the top end surface of the rectangular sleeve (11) is fixedly provided with a mounting frame (13), and the mounting frame (13) is provided with a mounting screw hole (131).
5. An adjustable cross arm for a power steel pipe tower according to claim 1, 2 or 3, wherein a bearing seat is fixedly arranged outside the rotating sleeve (5), and an outer ring of the bearing seat is fixedly connected with the inner side wall of the rectangular supporting pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210785766.XA CN114961402B (en) | 2022-06-30 | 2022-06-30 | Cross arm with adjustable electric power steel pipe tower is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210785766.XA CN114961402B (en) | 2022-06-30 | 2022-06-30 | Cross arm with adjustable electric power steel pipe tower is used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114961402A CN114961402A (en) | 2022-08-30 |
| CN114961402B true CN114961402B (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210785766.XA Active CN114961402B (en) | 2022-06-30 | 2022-06-30 | Cross arm with adjustable electric power steel pipe tower is used |
Country Status (1)
| Country | Link |
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| CN (1) | CN114961402B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117306937B (en) * | 2023-11-30 | 2024-01-30 | 任丘市召明电力设备有限公司 | Corner cross arm of power line |
| CN117976362A (en) * | 2024-04-01 | 2024-05-03 | 国网山东省电力公司潍坊供电公司 | Assembled pole-mounted transformer rack and mounting tool thereof |
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