CN112031509A - Power line cross arm assembly - Google Patents
Power line cross arm assembly Download PDFInfo
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- CN112031509A CN112031509A CN202010918090.8A CN202010918090A CN112031509A CN 112031509 A CN112031509 A CN 112031509A CN 202010918090 A CN202010918090 A CN 202010918090A CN 112031509 A CN112031509 A CN 112031509A
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- cross arm
- power line
- annular step
- locking block
- bolt body
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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
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a power line cross arm assembly which comprises a cross arm, a connecting frame and two hoops which are arranged in a bilateral symmetry manner and used for clamping a power line body, wherein the front ends and the rear ends of the two hoops are fastened through bolt assemblies; one end of the connecting frame is fixedly welded with the middle part of the outer wall surface of the first hoop, the other end of the connecting frame is fixedly welded with the middle part of the cross arm, insulating porcelain bottles for supporting a power line are fixed on the upper end surfaces of the two end parts of the cross arm, and reinforcing plates are fixedly welded on the two sides of the connecting part of the cross arm and the connecting frame; the invention can increase the friction force and the anti-rotation capability between the hoop and the power rod body, and can improve the firmness and the reliability of the fixed power line cross arm assembly and the power rod body.
Description
Technical Field
The invention relates to the technical field of power line supporting devices, in particular to a power line cross arm assembly.
Background
The power line cross arm assembly is a device for supporting an overhead power line, and the current power line cross arm is fixed on a power line rod body when in use, but the power line cross arm assembly on the current market is fixed with the power line rod body, because the joint surface of the power line cross arm assembly and the power line rod body does not have an anti-skid structure, thus when the power line fixed on the power line cross arm assembly shakes due to wind blowing, the power line cross arm assembly is easy to rotate relative to the power line rod body, namely, the defect that the fixing firmness of the power line cross arm assembly and the power line rod body is poor exists.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the power line cross arm assembly, which can increase the friction force and the anti-rotation capacity between the hoop and the power rod body after a plurality of anti-slip grooves distributed along the length direction of the hoop are arranged on the inner wall of each hoop, which is attached to the power rod body, so that when the power line fixed on the power line cross arm assembly is shaken due to wind blowing, the phenomenon that the power line cross arm assembly rotates relative to the power rod body can be effectively avoided, and the firmness and the reliability of the fixed power line cross arm assembly and the power rod body can be improved.
The power line cross arm assembly comprises a cross arm, a connecting frame and two hoops which are arranged in a bilateral symmetry mode and used for clamping a power line rod body, wherein the front ends and the rear ends of the two hoops are fastened through bolt assemblies; the one end of link and the middle part welded fastening of the outer wall of first staple bolt, the other end of link and the middle part welded fastening of cross arm all are fixed with the insulating vase that is used for supporting the power line on the up end of two tip of cross arm, and the equal welded fastening in both sides of cross arm and link junction has the reinforcing plate.
The power line cross arm assembly comprises a locking ring, a bolt body and a nut, wherein the locking ring is embedded in a countersunk hole in the end part of a second hoop; be provided with a plurality of tooth's socket that are circumference evenly distributed on the internal perisporium of catch, the outer terminal surface middle part of the head in the bolt body is provided with the heavy groove of regular hexagon shape, the heavy groove is used for cooperateing with the tip of outer hexagonal spanner, be provided with four smooth chambeies that are circumference evenly distributed on the periphery wall of the head in the bolt body, equal sliding connection has the locking piece in every smooth chamber, the outer terminal surface middle part of every locking piece all is provided with the tooth head that is used for respectively rather than one of them tooth's socket block, the inside of bolt body is provided with and is used for driving the locking piece and removes so that the tooth head on the locking piece breaks away from the tooth's socket or with the drive structure of tooth's.
The power line cross arm component comprises a driving structure, a power line cross arm and a power line cross arm, wherein the driving structure comprises a guide post and a spring; the bolt body positioned on the inner side of the sinking groove is provided with a blind hole, the inner end part of the guide pillar is inserted into the blind hole and is in sliding connection with the blind hole, the spring is arranged in the blind hole, and two ends of the spring are respectively abutted against the inner bottom part of the blind hole and the inner end part of the guide pillar; a sliding rod is integrally formed on the inner end face of each locking block, the inner end portion of each sliding rod movably penetrates through the head of the bolt body and then extends into the blind hole, a first annular step and a second annular step for supporting the inner end portion of each sliding rod are arranged on the outer peripheral wall of each guide pillar, the first annular step is located on the outer side of the second annular step, an annular conical surface with a small left end and a large right end is arranged between the first annular step and the second annular step, the left end of the annular conical surface is connected with the right end of the first annular step, and the right end of the annular conical surface is connected with the left end of the second annular step; the inner end face of each locking block is embedded with four magnets distributed in an array shape, and the magnets are magnetically attracted with the bolt body to drive the locking blocks to move inwards to reset; an expansion hole with the inner diameter larger than that of the blind hole is arranged between the sinking groove and the blind hole and is used for the guide pillar to pass through; when the inner end part of the sliding rod is supported on the first annular step, the locking block moves inwards to reset, and at the moment, the tooth head on the locking block is separated from the tooth groove on the locking ring; when the inner end part of the sliding rod is supported on the second annular step, the locking block moves outwards to a proper position, and at the moment, the tooth head on the locking block is clamped with the tooth groove on the locking ring.
The power line cross arm assembly of the present invention, wherein the width of the guide post located on the left side of the first annular step is the same as the depth of the expanded hole.
The power line cross arm assembly comprises a power line cross arm assembly, wherein two sliding blocks which are arranged in a bilateral symmetry mode are arranged at two ends of each locking block, and sliding grooves which are respectively used for being in sliding connection with one of the sliding blocks are formed in the inner wall of each sliding cavity.
According to the power line cross arm assembly, the peripheral wall of the locking ring is provided with a plurality of saw tooth grooves which are uniformly distributed in the circumferential direction, and each saw tooth groove extends along the axial direction of the locking ring.
According to the invention, after the plurality of anti-slip grooves distributed along the length direction of the hoop are arranged on the inner wall of each hoop, which is attached to the electric power rod body, the friction force and the anti-rotation capacity between the hoop and the electric power rod body can be increased, so that when the electric power line fixed on the electric power line cross arm component is shaken due to wind blowing, the phenomenon that the electric power line cross arm component rotates relative to the electric power rod body can be effectively avoided, and the firmness and the reliability of the fixed electric power line cross arm component and the electric power rod body can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of the present invention in a top view with a partial cross-sectional structure;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a left side view of the bolt body after locking with the locking ring;
FIG. 4 is a cross-sectional structural view of the bolt body;
FIG. 5 is a schematic structural view of a lock block;
fig. 6 is a schematic sectional view of the end of the allen wrench inserted into a recess in the bolt body.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The power line cross arm assembly comprises a cross arm 1, a connecting frame 2 and two hoops 4 which are arranged in a bilateral symmetry mode and used for clamping a power line rod body 3, wherein the front ends and the rear ends of the two hoops 4 are fastened through bolt assemblies, a plurality of anti-skidding grooves 41 distributed along the length direction of the hoops 4 are formed in the inner wall, attached to the power line rod body 3, of each hoop 4, and each anti-skidding groove 41 is parallel to the axis of the power line rod body 3; one end of the connecting frame 2 is fixedly welded with the middle part of the outer wall surface of the first hoop 4, the other end of the connecting frame 2 is fixedly welded with the middle part of the cross arm 1, insulating porcelain bottles 11 for supporting a power line are fixed on the upper end surfaces of the two end parts of the cross arm 1, and reinforcing plates 12 are fixedly welded on the two sides of the joint of the cross arm 1 and the connecting frame 2; according to the invention, after the plurality of anti-slip grooves distributed along the length direction of the hoop are arranged on the inner wall of each hoop, which is attached to the electric power rod body, the friction force and the anti-rotation capacity between the hoop and the electric power rod body can be increased, so that when the electric power line fixed on the electric power line cross arm component is shaken due to wind blowing, the phenomenon that the electric power line cross arm component rotates relative to the electric power rod body can be effectively avoided, and the firmness and the reliability of the fixed electric power line cross arm component and the electric power rod body can be improved; in addition, after reinforcing plates are welded and fixed on two sides of the joint of the cross arm and the connecting frame, the reliability of the welded and fixed cross arm and the connecting frame can be improved; in addition, as shown in fig. 1, the outer edge of the end of the connecting frame facing the first hoop is an arc surface which can be attached to the outer wall surface of the first hoop, so that the structural strength between the connecting frame and the first hoop can be improved after the connecting frame and the first hoop are welded and fixed.
Each bolt component comprises a locking ring 5, a bolt body 6 and a nut 7, wherein the locking ring 5 is embedded in a countersunk hole 42 at the end part of the second hoop 4, the nut 7 is fixedly welded on the outer wall surface of the end part of the first hoop 4, and a screw rod part 61 of the bolt body 6 movably penetrates through the locking ring 5 and the end parts of the two hoops 4 and then is in threaded connection with the nut 7; a plurality of tooth sockets 51 which are uniformly distributed in the circumferential direction are arranged on the inner circumferential wall of the lock ring 5, a hexagonal sunk groove 63 is arranged in the middle of the outer end face of the head 62 in the bolt body 6, the sunk groove 63 is used for being matched with the end part of the outer hexagonal wrench 8, four sliding cavities 64 which are uniformly distributed in the circumferential direction are arranged on the outer circumferential wall of the head 62 in the bolt body 6, a lock block 9 is connected in each sliding cavity 64 in a sliding manner, a tooth head 91 which is respectively used for being clamped with one of the tooth sockets 51 is arranged in the middle of the outer end face of each lock block 9, and a driving structure which is used for driving the lock blocks 9 to move along the radial direction of the bolt body 6 so that the tooth heads 91 on the lock blocks 9 are separated from the tooth sockets 51 or are matched and clamped with the tooth; after adopting this kind of bolt assembly, because be provided with the closure structure between bolt body and the second staple bolt, so, can effectively avoid the phenomenon that the pine takes off to appear in the bolt body, so, can effectively avoid appearing the phenomenon that the pine takes off between two staple bolts, can improve the reliability after two staple bolts are fixed promptly.
The driving structure comprises a guide post 10 and a spring 20; a blind hole 65 is arranged in the bolt body 6 positioned at the inner side of the sinking groove 63, the inner end part of the guide pillar 10 is inserted into the blind hole 65 and is in sliding connection with the blind hole 65, the spring 20 is arranged in the blind hole 65, and two ends of the spring 20 respectively abut against the inner bottom part of the blind hole 65 and the inner end part of the guide pillar 10; a sliding rod 92 is integrally formed on the inner end face of each locking block 9, the inner end of the sliding rod 92 movably penetrates through the head 62 of the bolt body 6 and then extends into the blind hole 65, a first annular step 101 and a second annular step 102 for supporting the inner end of the sliding rod 92 are arranged on the outer peripheral wall of the guide pillar 10, the first annular step 101 is located on the outer side of the second annular step 102, an annular conical surface 103 with a small left end and a large right end is arranged between the first annular step 101 and the second annular step 102, the left end of the annular conical surface 103 is connected with the right end of the first annular step 101, and the right end of the annular conical surface 103 is connected with the left end of the second annular step 102; four magnets 93 distributed in an array shape are embedded on the inner end face of each locking block 9, and the magnets 93 are magnetically attracted with the bolt body 6 to drive the locking blocks 9 to move inwards to reset; an expansion hole 66 with the inner diameter larger than that of the blind hole 65 is arranged between the sinking groove 63 and the blind hole 65, and the expansion hole 66 is used for the guide pillar 10 to pass through; when the inner end part of the slide rod 92 is supported on the first annular step 101, the locking block 9 moves inwards to reset, and at the moment, the tooth head 91 on the locking block 9 is separated from the tooth groove 51 on the locking ring 5; when the inner end part of the slide rod 92 is supported on the second annular step 102, the locking block 9 moves outwards to a proper position, and at the moment, the tooth head 91 on the locking block 9 is clamped with the tooth groove 51 on the locking ring 5; by adopting the driving structure, after the end part of the outer hexagon wrench is inserted into the sinking groove on the bolt body, the end part of the outer hexagon wrench can push the guide pillar to move inwards to a proper position, at the moment, under the action of the magnet on the locking block (the magnet is magnetically attracted with the head part of the bolt body), the inner end part of the sliding rod on the locking block can move to the first annular step along the annular conical surface, so that the locking block can move inwards to reset, namely the locking block can completely slide into the sliding cavity, so that the tooth head on the locking block can be separated from the tooth groove on the inner peripheral wall of the locking ring, and the bolt body and the locking ring can be unlocked, therefore, the bolt body can be rotated by the outer hexagon wrench, namely the screw part of the bolt body is screwed into the nut, or the screw part of the bolt body is screwed out of the nut; after the bolt body is rotated through the outer hexagonal wrench and the screw part in the bolt body is screwed up with the nut, namely, after the two hoops are fastened through the bolt assembly, after the end part of the outer hexagonal wrench is pulled out of the sinking groove of the bolt body, the spring can drive the guide pillar to move outwards to reset, at the moment, the inner end part of the slide rod on the locking block can move to the second annular step along the annular conical surface, so that the locking block can overcome the magnetic attraction of the magnet and move outwards, after the locking block moves outwards in place, the tooth head on the locking block can be clamped with the tooth socket on the inner peripheral wall of the locking ring, and thus, the phenomenon that the bolt body freely rotates relative to the locking ring can be avoided, namely, the phenomenon that the bolt body is loosened can be avoided, and the phenomenon that the two hoops are loosened can also be avoided.
The width of the guide post 10 on the left side of the first annular step 101 is the same as the depth of the expansion hole 66; after adopting this kind of structure, after the guide pillar inwards shifted to the right place, insert the heavy groove at the tip of outer hexagonal spanner promptly in, be located the left guide pillar of first annular step and can enter into the expansion hole completely, so, can avoid the guide pillar to cause the interference to the tip of outer hexagonal spanner.
Two sliding blocks 94 which are arranged in bilateral symmetry are arranged at two ends of each locking block 9, and sliding grooves 67 which are respectively used for being in sliding connection with one of the sliding blocks 94 are arranged on the inner wall of each sliding cavity 64; by adopting the structure, each locking block can be reliably and slidably connected in the corresponding sliding cavity.
A plurality of sawtooth grooves 52 which are uniformly distributed in the circumferential direction are formed in the outer circumferential wall of the locking ring 5, and each sawtooth groove 52 extends along the axial direction of the locking ring 5; through the setting of sawtooth groove, can further increase the frictional force between catch and the second staple bolt, can effectively avoid the catch to appear the phenomenon of relative second staple bolt free rotation promptly.
When the bolt is installed, the locking ring is firstly embedded into the countersunk hole on the second hoop, namely the locking ring is tightly embedded with the countersunk hole on the second hoop (the embedding process of the locking ring and the countersunk hole on the second hoop can be completed by adopting a press), then the two hoops are arranged on two sides of the power rod body, then the end part of the external hexagonal wrench is inserted into the countersunk groove on the bolt body, the screw part in the bolt body is screwed into the nut welded on the first hoop, after the screw part in the bolt body is screwed with the nut, the two hoops are fastened, and the two hoops can be tightly held on the power rod body. The two hoops are fastened through the bolt body, the end part of the outer hexagonal wrench is pulled out of the sinking groove in the bolt body, the spring can drive the guide pillar to move outwards to reset, at the moment, the inner end part of the slide rod on the lock block can move to the second annular step along the annular conical surface, and therefore the lock block can overcome the magnetic attraction of the magnet and move outwards, after the lock block moves outwards in place, the tooth head on the lock block can be clamped with the tooth groove in the inner peripheral wall of the lock ring, and therefore the phenomenon that the bolt body freely rotates relative to the lock ring can be avoided, the phenomenon that the bolt body is loosened can be avoided, and the phenomenon that the two hoops are loosened can be avoided. When two anchor ears are required to be separated, namely, the bolt body is required to be unscrewed from the nut, the end part of the outer hexagonal wrench is inserted into the sinking groove on the bolt body, after the end part of the outer hexagonal wrench is inserted into the sinking groove on the bolt body, the end part of the outer hexagonal wrench can push the guide pillar to move inwards to a position, at the moment, under the action of the magnet on the locking block (the magnet is magnetically attracted with the head part of the bolt body), the inner end part of the sliding rod on the locking block can move to the first annular step along the annular conical surface, so that the locking block can move inwards to reset, namely, the locking block can completely slide into the sliding cavity, so that the tooth head on the locking block can be separated from the tooth socket on the inner peripheral wall, the bolt body can be unlocked from the locking ring, the bolt body can be rotated anticlockwise through the outer hexagonal wrench, and the bolt body is rotated anticlockwise, can be with bolt body from the nut unscrewed, the bolt body is after being unscrewed from the nut, and two staple bolts can separate.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a power line cross arm subassembly, is staple bolt (4) that bilateral symmetry set up and is used for pressing from both sides tight electric power body of rod (3) including cross arm (1), link (2) and two, and the front end and the rear end of two staple bolts (4) all fasten its characterized in that through bolt assembly: a plurality of anti-skid grooves (41) distributed along the length direction of the hoop (4) are formed in the inner wall of each hoop (4) which is attached to the power rod body (3), and each anti-skid groove (41) is parallel to the axis of the power rod body (3); the utility model discloses a power line's insulating porcelain insulator, including the one end of link (2) and the middle part welded fastening of the outer wall of first staple bolt (4), the other end of link (2) and the middle part welded fastening of cross arm (1), all be fixed with insulating vase (11) that are used for supporting the power line on the up end of two tip of cross arm (1), the equal welded fastening in both sides of cross arm (1) and link (2) junction has reinforcing plate (12).
2. The power line cross arm assembly according to claim 1, wherein each bolt assembly comprises a locking ring (5), a bolt body (6) and a nut (7), the locking ring (5) is embedded in a countersunk hole (42) at the end part of the second hoop (4), the nut (7) is welded and fixed on the outer wall surface of the end part of the first hoop (4), and a screw part (61) of the bolt body (6) movably penetrates through the locking ring (5) and the end parts of the two hoops (4) and then is in threaded connection with the nut (7); a plurality of tooth grooves (51) which are uniformly distributed in the circumferential direction are arranged on the inner circumferential wall of the locking ring (5), the middle part of the outer end surface of the head part (62) in the bolt body (6) is provided with a regular hexagonal sunk groove (63), the sink groove (63) is used for being matched with the end part of the outer hexagonal wrench (8), four sliding cavities (64) which are uniformly distributed in the circumferential direction are arranged on the peripheral wall of the head part (62) in the bolt body (6), a locking block (9) is connected in each sliding cavity (64) in a sliding manner, a tooth head (91) which is respectively used for being clamped with one tooth groove (51) is arranged in the middle of the outer end face of each locking block (9), the bolt is characterized in that a driving structure used for driving the locking block (9) to move along the radial direction of the bolt body (6) so that a tooth head (91) on the locking block (9) is separated from the tooth groove (51) or is matched and clamped with the tooth groove (51) is arranged in the bolt body (6).
3. The power line cross arm assembly of claim 2, wherein the drive structure comprises a guide post (10) and a spring (20); a blind hole (65) is arranged in the bolt body (6) positioned on the inner side of the sinking groove (63), the inner end part of the guide pillar (10) is inserted into the blind hole (65) and is in sliding connection with the blind hole (65), the spring (20) is arranged in the blind hole (65), and two ends of the spring (20) are respectively abutted against the inner bottom part of the blind hole (65) and the inner end part of the guide pillar (10); a sliding rod (92) is integrally formed on the inner end face of each locking block (9), the inner end of the sliding rod (92) movably penetrates through the head (62) of the bolt body (6) and then extends into the blind hole (65), a first annular step (101) and a second annular step (102) for supporting the inner end of the sliding rod (92) are arranged on the outer peripheral wall of the guide post (10), the first annular step (101) is located on the outer side of the second annular step (102), an annular conical surface (103) with a small left end and a large right end is arranged between the first annular step (101) and the second annular step (102), the left end of the annular conical surface (103) is connected with the right end of the first annular step (101), and the right end of the annular conical surface (103) is connected with the left end of the second annular step (102); four magnets (93) distributed in an array shape are embedded on the inner end face of each locking block (9), and the magnets (93) are magnetically attracted with the bolt body (6) to drive the locking blocks (9) to move inwards to reset; an expansion hole (66) with the inner diameter larger than that of the blind hole (65) is arranged between the sinking groove (63) and the blind hole (65), and the expansion hole (66) is used for the guide pillar (10) to pass through; when the inner end part of the sliding rod (92) is supported on the first annular step (101), the locking block (9) moves inwards to reset, and at the moment, a tooth head (91) on the locking block (9) is separated from a tooth groove (51) on the locking ring (5); when the inner end part of the sliding rod (92) is supported on the second annular step (102), the locking block (9) moves outwards to a proper position, and at the moment, a tooth head (91) on the locking block (9) is clamped with a tooth groove (51) on the locking ring (5).
4. The power line cross arm assembly of claim 3, characterized in that the guide post (10) to the left of the first annular step (101) has the same width as the depth of the expanded hole (66).
5. The power line cross arm assembly according to claim 2, wherein two sliding blocks (94) are arranged at two ends of each locking block (9) in a bilateral symmetry manner, and sliding grooves (67) which are respectively used for being in sliding connection with one of the sliding blocks (94) are arranged on the inner wall of the sliding cavity (64).
6. The power line cross arm assembly according to claim 2, wherein the outer peripheral wall of the locking ring (5) is provided with a plurality of saw-tooth grooves (52) uniformly distributed in the circumferential direction, and each saw-tooth groove (52) extends along the axial direction of the locking ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918090.8A CN112031509A (en) | 2020-09-03 | 2020-09-03 | Power line cross arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918090.8A CN112031509A (en) | 2020-09-03 | 2020-09-03 | Power line cross arm assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112031509A true CN112031509A (en) | 2020-12-04 |
Family
ID=73592004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010918090.8A Withdrawn CN112031509A (en) | 2020-09-03 | 2020-09-03 | Power line cross arm assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN112031509A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116638234A (en) * | 2023-07-26 | 2023-08-25 | 常州特尔玛科技股份有限公司 | Anti-collision device with self-locking structure for welding gun and use method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726723A (en) * | 1985-07-15 | 1988-02-23 | Mcgard, Inc. | Multi-part locknut construction |
| FR2686129A1 (en) * | 1992-01-09 | 1993-07-16 | Bry Daniel | Improvement in screws with a hollow housing |
| US20110070046A1 (en) * | 2009-09-24 | 2011-03-24 | Kuo-Chung Wang | Metal plate member fixation device |
| WO2012053250A1 (en) * | 2010-10-19 | 2012-04-26 | 株式会社ハマ・システム | Bolt and extraction tool |
| EP3236722A1 (en) * | 2016-04-18 | 2017-10-25 | W.L. Gore & Associates GmbH | Vent |
| CN210156883U (en) * | 2019-09-18 | 2020-03-17 | 山东君普电力器材有限公司 | Electric iron accessory |
| CN110925288A (en) * | 2019-12-13 | 2020-03-27 | 成都理工大学 | Quick and reliable locknut suit |
| CN210714045U (en) * | 2019-09-17 | 2020-06-09 | 山东君普电力器材有限公司 | Connecting fitting for insulating cross arm |
| CN210798458U (en) * | 2019-06-15 | 2020-06-19 | 河北南马通讯器材有限公司 | Semicircle cross arm staple bolt that electric power laid usefulness |
| CN211398193U (en) * | 2019-12-13 | 2020-09-01 | 杨东佐 | Bolt structure with trapezoidal rotation stopping groove |
-
2020
- 2020-09-03 CN CN202010918090.8A patent/CN112031509A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726723A (en) * | 1985-07-15 | 1988-02-23 | Mcgard, Inc. | Multi-part locknut construction |
| FR2686129A1 (en) * | 1992-01-09 | 1993-07-16 | Bry Daniel | Improvement in screws with a hollow housing |
| US20110070046A1 (en) * | 2009-09-24 | 2011-03-24 | Kuo-Chung Wang | Metal plate member fixation device |
| WO2012053250A1 (en) * | 2010-10-19 | 2012-04-26 | 株式会社ハマ・システム | Bolt and extraction tool |
| EP3236722A1 (en) * | 2016-04-18 | 2017-10-25 | W.L. Gore & Associates GmbH | Vent |
| CN210798458U (en) * | 2019-06-15 | 2020-06-19 | 河北南马通讯器材有限公司 | Semicircle cross arm staple bolt that electric power laid usefulness |
| CN210714045U (en) * | 2019-09-17 | 2020-06-09 | 山东君普电力器材有限公司 | Connecting fitting for insulating cross arm |
| CN210156883U (en) * | 2019-09-18 | 2020-03-17 | 山东君普电力器材有限公司 | Electric iron accessory |
| CN110925288A (en) * | 2019-12-13 | 2020-03-27 | 成都理工大学 | Quick and reliable locknut suit |
| CN211398193U (en) * | 2019-12-13 | 2020-09-01 | 杨东佐 | Bolt structure with trapezoidal rotation stopping groove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116638234A (en) * | 2023-07-26 | 2023-08-25 | 常州特尔玛科技股份有限公司 | Anti-collision device with self-locking structure for welding gun and use method |
| CN116638234B (en) * | 2023-07-26 | 2023-09-22 | 常州特尔玛科技股份有限公司 | Anti-collision device with self-locking structure for welding gun and use method |
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Application publication date: 20201204 |
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