CN115864273A - Strain clamp - Google Patents
Strain clamp Download PDFInfo
- Publication number
- CN115864273A CN115864273A CN202211045806.3A CN202211045806A CN115864273A CN 115864273 A CN115864273 A CN 115864273A CN 202211045806 A CN202211045806 A CN 202211045806A CN 115864273 A CN115864273 A CN 115864273A
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- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a strain clamp, which comprises a connecting assembly, wherein the connecting assembly comprises a wedge piece, a groove piece and a fixing ring, a rotating assembly is arranged at the top of the wedge piece and comprises a limit switch, a clockwork spring and a rotating block, and a locking assembly is arranged in the rotating block and comprises a locking rotating column, a locking connecting column and a locking limit column. The invention can ensure that the strain clamp is always tightly connected under the matching of the connecting component, the rotating component and the locking component, and avoids poor contact and various accidents caused by the poor contact.
Description
Technical Field
The invention relates to the technical field of power transmission, in particular to a strain clamp.
Background
The tension-resistant wire clamp is difficult to avoid wind, sunshine and rain in the use process, the looseness of the joint can be possibly caused, poor contact is caused, accidents are often caused after the tension-resistant wire clamp is burnt off due to poor contact, the difficulty is increased for the operation and maintenance work in the later period, and a great deal of inconvenience is brought to operation and maintenance personnel.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional strain clamp.
Therefore, the problem to be solved by the invention is how to ensure that the strain clamp is always in close contact.
In order to solve the technical problems, the invention provides the following technical scheme: a strain clamp comprises a connecting component, a rotating component and a locking component.
As a preferable scheme of the strain clamp of the invention, wherein: the connecting assembly comprises a wedge piece, a groove piece and a fixing ring, the wedge piece is matched with the wedge piece, and the fixing ring is arranged in the middle of the wedge piece;
the rotating assembly is arranged at the top of the wedge piece and comprises a limit switch, a clockwork spring and a rotating block, the limit switch is arranged at the top of the groove piece, the rotating block is arranged at the top of the limit switch, and the clockwork spring is connected with the groove piece and the rotating block; and the number of the first and second groups,
the locking assembly is arranged inside the rotating block and comprises a locking rotating column, a locking connecting column and a locking limiting column, wherein the locking rotating column is arranged inside the rotating block, and the locking connecting column is connected with the locking rotating column and the locking limiting column.
As a preferable scheme of the strain clamp of the invention, wherein: the wedge piece includes voussoir and wire clamping pipe, the voussoir is terminal with wire clamping pipe one end vertical connection, solid fixed ring threaded connection the terminal side of voussoir.
As a preferable scheme of the strain clamp of the invention, wherein: the groove piece comprises a groove block, a second wire clamping pipe and a connecting plate, the connecting plate is connected with the end of the groove block and one end of the second wire clamping pipe, and the wedge block is matched with the groove block.
As a preferable scheme of the strain clamp of the invention, wherein: the groove part further comprises a groove rotating plate and a groove rotating column, the groove rotating plate comprises two parts, the groove rotating plate is arranged at the top end of the middle of the connecting plate, the groove rotating column is connected with the groove rotating plate in a penetrating and rotating mode, the clockwork spring is connected with the groove rotating column and the rotating block, the limiting switch is arranged between the groove rotating plates and comprises a limiting shell, a limiting rack, two limiting racks and a limiting gear, the limiting gear is arranged inside the limiting shell, the one limiting rack is arranged on one side of the limiting gear, and the two limiting racks are arranged on the other side of the limiting gear.
As a preferable scheme of the strain clamp of the invention, wherein: the rotating block comprises a rotating main block and two rotating lugs, the rotating lugs are arranged on one side of the rotating main block, and the first groove rotating column is fixedly connected with the rotating lugs.
As a preferable scheme of the strain clamp of the invention, wherein: the turning block further comprises a switch groove, a translation groove, a limiting groove and a spring groove, the switch groove is formed in one side of the turning main block, the translation groove is formed in the other side of the turning main block, the limiting groove is formed in the translation groove, and the spring groove is formed in the middle of the inner wall of the switch groove.
As a preferable scheme of the strain clamp of the invention, wherein: the turning block still includes top spacing post, bottom spacing post and No. two groove rotating columns, no. two groove rotating columns set up in switch slot both sides wall middle part, top spacing post set up in No. two groove rotating column tops, bottom spacing post set up in No. two groove rotating column bottoms portion, clockwork spring connects No. one groove rotating column and No. two groove rotating columns.
As a preferable scheme of the strain clamp of the invention, wherein: the turning block still includes a spring and spacing side pipe, a spring one end is fixed in spring tank bottom portion, one end with spacing side fixed connection of pipe side, the locking rotation post through connection spacing side pipe.
As a preferable scheme of the strain clamp of the invention, wherein: the rotating block further comprises a middle limiting column, and the middle limiting column is arranged at the bottom of the translation groove.
As a preferable scheme of the strain clamp of the invention, wherein: the top end of the wedge block is provided with a wedge block limiting groove, the locking assembly further comprises a locking lug, the locking lug is arranged at the top of one end of the locking connecting column, the locking rotating column is matched with the limiting groove, the locking connecting column is matched with the translation groove, and the locking limiting column is matched with the wedge block limiting groove.
The invention has the beneficial effects that: the invention can ensure that the strain clamp is always tightly connected under the matching of the connecting component, the rotating component and the locking component, and avoids poor contact and various accidents caused by the poor contact.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall structure diagram of a strain clamp before locking.
Fig. 2 is a view of the locking assembly of the strain clamp.
Fig. 3 is a connecting component structure diagram of the strain clamp.
Fig. 4 is a structure diagram of a limit switch of the strain clamp.
Fig. 5 is an overall structure diagram of the strain clamp after locking.
Fig. 6 is a diagram of a pivoting block of the strain clamp.
Fig. 7 is another angle structure diagram of the rotating block of the strain clamp.
FIG. 8 is a cross-sectional view of a rotating block of the strain clamp.
Fig. 9 is a cross-sectional view of the locking rear portion of the strain clamp.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a strain clamp including a connecting assembly 100, a rotating assembly 200, and a locking assembly 300.
Specifically, the connecting assembly 100 includes a wedge 101, a groove 102 and a fixing ring 103, the wedge 101 and the wedge 101 are engaged, and the fixing ring 103 is disposed in the middle of the wedge 101.
The connector assembly 100 is used to clamp two lengths of wire and the wedge 101 is captured in the groove 102, the tighter the tension, the more the device is secured to the tower by the retainer ring 103.
Specifically, the rotating assembly 200 is arranged at the top of the wedge 101 and comprises a limit switch 201, a clockwork spring 202 and a rotating block 203, the limit switch 201 is arranged at the top of the groove 102, the rotating block 203 is arranged at the top of the limit switch 201, and the clockwork spring 202 is connected with the groove 102 and the rotating block 203.
The rotating assembly 200 rotates when the device is installed, catching the wedge 101 in the slot 102, so that the wedge 101 cannot exit the slot 102.
Specifically, the locking assembly 300 is arranged inside the rotating block 203 and comprises a locking rotating column 301, a locking connecting column 302 and a locking limiting column 303, the locking rotating column 301 is arranged inside the rotating block 203, and the locking connecting column 302 is connected with the locking rotating column 301 and the locking limiting column 303.
The locking assembly 300 is further secured against the wedge 101 to prevent the wedge 101 from exiting the channel 102.
In use, the connector assembly 100 is used to clamp two lengths of conductor and the wedge 101 is captured within the channel 102, the tighter the tension the device is, the more secured the device is to the tower by the retaining ring 103. The rotating assembly 200 rotates when the device is installed, catching the wedge 101 in the slot 102, so that the wedge 101 cannot exit the slot 102. The locking assembly 300 is further secured against the wedge 101 to prevent the wedge 101 from exiting the channel 102.
Example 2
Referring to fig. 1 to 9, there is shown a second embodiment of the present invention, which is based on the above embodiment.
Specifically, the wedge 101 comprises a wedge 101a and a first wire clamping pipe 101b, the tail end of the wedge 101a is vertically connected with one end of the first wire clamping pipe 101b, and the fixing ring 103 is in threaded connection with the side face of the tail end of the wedge 101 a.
The end of the wedge 101a is small, the other end is large, a lead is inserted into the first wire clamping pipe 101b, the first wire clamping pipe 101b is flattened by hydraulic pressure, and the lead is tightly fixed in the first wire clamping pipe 101b
Specifically, the slot member 102 includes a slot block 102a, a second wire clamping tube 102b and a connecting plate 102c, the connecting plate 102c connects the end of the slot block 102a and one end of the second wire clamping tube 102b, and the wedge 101a is engaged with the slot block 102 a.
The tail end of the groove block 102a is large, the other end of the groove block 102a is small, the small end of the wedge block 101a is vertically placed into the large end of the groove block 102a, then the small end of the wedge block 101a moves towards the small end of the groove block 102a, the wedge block 101a is clamped in the groove block 102a, and the wedge block cannot be directly taken out without moving back.
Specifically, the groove member 102 further comprises a groove rotating plate 102d and a groove rotating column 102e, the two groove rotating plates 102d are arranged, the groove rotating plate 102d is arranged at the top end of the middle of the connecting plate 102c, the groove rotating column 102e penetrates through and rotates the connecting groove rotating plate 102d, the clockwork spring 202 is connected with the groove rotating column 102e and the rotating block 203, the limit switch 201 is arranged between the groove rotating plates 102d, the limit switch 201 comprises a limit shell 201a, a first limit rack 201b, a second limit rack 201c and a limit gear 201d, the limit gear 201d is arranged inside the limit shell 201a, the first limit rack 201b is arranged on one side of the limit gear 201d, and the second limit rack 201c is arranged on the other side of the limit gear 201 d.
First groove rotating column 102e can rotate around groove rotating plate 102d at both ends, and the fillet is all done at two spacing rack tops of limit switch 201, and a spacing rack 201b just holds groove block 102a greatly, and two spacing rack top fillet parts just protrude groove rotating plate 102d outsidely, and two spacing racks are connected with spring in spacing shell 201 a's part simultaneously, and two spacing racks are got back to original position after guaranteeing external force to remove.
When the small end of the wedge 101a is vertically placed into the large end of the slot 102a, the large end of the wedge 101a contacts with the round corner of the first limit rack 201b first and pushes the first limit rack 201b inwards, and the second limit rack 201c is pulled inwards through the limit gear 201 d.
Specifically, the rotating block 203 comprises a rotating main block 203a and two rotating protrusions 203b, the rotating protrusions 203b are arranged on one side of the rotating main block 203a, and the first slot rotating column 102e is fixedly connected with the rotating protrusions 203 b.
The two rotating lugs 203b are arranged outside the two slot rotating plates 102d, and the rotating block 203 drives the first slot rotating column 102e to rotate when rotating,
specifically, the turning block 203 further comprises a switch groove K1, a translation groove K2, a limiting groove K3 and a spring groove K4, the switch groove K1 is arranged on one side of the turning main block 203a, the translation groove K2 is arranged on the other side of the turning main block 203a, the limiting groove K3 is arranged inside the translation groove K2, and the spring groove K4 is arranged in the middle of the inner wall of the switch groove K1.
As shown in fig. 6, the side of the main rotation block 203a having the rotation protrusion 203b is set as the left side, the switch slot K1 is set on the left side, and the translation slot K2 is set on the right side.
Specifically, the turning block 203 further comprises a top limit column 203c, a bottom limit column 203d and a second groove turning column 203e, the second groove turning column 203e is arranged in the middle of the two side walls of the switch groove K1, the top limit column 203c is arranged at the top of the second groove turning column 203e, the bottom limit column 203d is arranged at the bottom of the second groove turning column 203e, and the clockwork spring 202 is connected with the first groove turning column 102e and the second groove turning column 203e.
The bottom limit column 203d is matched with the second limit rack 201c in default, when the rotating block 203 rotates around the first groove rotating column 102e and the spring 202 stores elastic force, the top limit column 203c is matched with the first limit rack 201b after rotating.
Specifically, the turning block 203 further comprises a first spring 203f and a limiting square tube 203g, one end of the first spring 203f is fixed at the bottom of the spring groove K4, one end of the first spring 203f is fixedly connected with the side face of the limiting square tube 203g, and the locking turning column 301 is connected with the limiting square tube 203g in a penetrating mode.
The first spring 203f is kept compressed all the time.
Specifically, the rotating block 203 further comprises a middle limiting column 203h, and the middle limiting column 203h is arranged at the bottom of the translation groove K2.
The middle position-limiting column 203h is used for clamping the locking lug 304, so that the first spring 203f is always kept compressed.
Specifically, the top end of the wedge 101a is provided with a wedge limiting groove K5, the locking assembly 300 further comprises a locking projection 304, the locking projection 304 is arranged at the top of one end of the locking connecting column 302, the locking rotating column 301 is matched with the limiting groove K3, the locking connecting column 302 is matched with the translation groove K2, and the locking limiting column 303 is matched with the wedge limiting groove K5.
The locking connecting column 302 is smaller than the translation groove K2, and the locking assembly 300 can rotate for a certain angle around the locking rotating column 301 in the limiting groove K3.
When the wedge 101a is used, the small end of the wedge 101a is vertically placed into the large end of the groove block 102a and is pressed downwards, the large end of the wedge 101a can contact with the round corner part of the first limiting rack 201b and extrude the first limiting rack 201b inwards, the second limiting rack 201c is also pulled inwards through the limiting gear 201d, the second limiting rack 201c is staggered with the bottom limiting column 203d, the spring 202 releases elasticity, the rotating block 203 rotates along the first groove rotating column 102e, the rotating block 203 is pressed on the wedge 101a, the wedge 101a is pulled inwards to the groove block 102a, the rotating block 203 continues to rotate, the top limiting column 203c extrudes the first limiting rack 201b inwards and then falls below the first limiting rack 201b along with the top limiting column 203c, and the first limiting rack 201b locks the rotating block 203 through the top limiting column 203 c.
When the wedge 101a is pulled towards the groove block 102a, the rotating block 203 continues to rotate, the locking limiting column 303 is inserted into the wedge limiting groove K5, the bottom of the wedge limiting groove K5 is higher, the rotating block 203 does not bottom after the locking limiting column 303 bottoms, the locking assembly 300 rotates for a certain angle around the locking rotating column 301, the middle limiting column 203h does not clamp the locking lug 304, the first spring 203f releases the elastic force, the locking limiting column 303 is pushed towards the direction of the wedge 101a, and the wedge 101a is tightly attached to the groove block 102a to be connected in a reinforcing mode.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a strain clamp which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the connecting assembly (100) comprises a wedge piece (101), a groove piece (102) and a fixing ring (103), the wedge piece (101) is matched with the wedge piece (101), and the fixing ring (103) is arranged in the middle of the wedge piece (101);
the rotating assembly (200) is arranged at the top of the wedge piece (101) and comprises a limit switch (201), a clockwork spring (202) and a rotating block (203), the limit switch (201) is arranged at the top of the groove piece (102), the rotating block (203) is arranged at the top of the limit switch (201), and the clockwork spring (202) is connected with the groove piece (102) and the rotating block (203); and the number of the first and second groups,
locking subassembly (300), set up in inside turning block (203), including locking rotation post (301), locking connection post (302) and the spacing post of locking (303), locking rotation post (301) set up in inside turning block (203), locking connection post (302) are connected locking rotation post (301) with the spacing post of locking (303).
2. The strain clamp of claim 1, wherein: the wedge piece (101) comprises a wedge block (101 a) and a first wire clamping pipe (101 b), the tail end of the wedge block (101 a) is vertically connected with one end of the first wire clamping pipe (101 b), and the fixing ring (103) is in threaded connection with the side face of the tail end of the wedge block (101 a).
3. The strain clamp of claim 2, wherein: the groove piece (102) comprises a groove block (102 a), a second wire clamping pipe (102 b) and a connecting plate (102 c), the connecting plate (102 c) is connected with the tail end of the groove block (102 a) and one end of the second wire clamping pipe (102 b), and the wedge block (101 a) is matched with the groove block (102 a).
4. The strain clamp of claim 3, wherein: groove spare (102) still include groove rotor plate (102 d) and a groove and rotate post (102 e), groove rotor plate (102 d) have two, groove rotor plate (102 d) set up in connecting plate (102 c) middle part top, a groove rotor plate (102 e) run through to rotate and connect groove rotor plate (102 d), clockwork spring (202) are connected a groove rotor plate (102 e) and turning block (203), limit switch (201) set up in between groove rotor plate (102 d), limit switch (201) include spacing shell (201 a), no. one spacing rack (201 b), no. two spacing racks (201 c) and limiting gear (201 d), limiting gear (201 d) set up in inside spacing shell (201 a), no. one spacing rack (201 b) set up in limiting gear (201 d) one side, no. two spacing racks (201 c) set up in limiting gear (201 d) opposite side.
5. The strain clamp of claim 4, wherein: the rotating block (203) comprises a rotating main block (203 a) and a rotating lug (203 b), the rotating lug (203 b) comprises two pieces, the rotating lug (203 b) is arranged on one side of the rotating main block (203 a), and the groove rotating column (102 e) is fixedly connected with the rotating lug (203 b).
6. The strain clamp of claim 5, wherein: the rotating block (203) further comprises a switch groove (K1), a translation groove (K2), a limiting groove (K3) and a spring groove (K4), the switch groove (K1) is arranged on one side of the rotating main block (203 a), the translation groove (K2) is arranged on the other side of the rotating main block (203 a), the limiting groove (K3) is arranged inside the translation groove (K2), and the spring groove (K4) is arranged in the middle of the inner wall of the switch groove (K1).
7. The strain clamp of claim 6, wherein: the rotating block (203) further comprises a top limiting column (203 c), a bottom limiting column (203 d) and a second groove rotating column (203 e), the second groove rotating column (203 e) is arranged in the middle of the two side walls of the switch groove (K1), the top limiting column (203 c) is arranged at the top of the second groove rotating column (203 e), the bottom limiting column (203 d) is arranged at the bottom of the second groove rotating column (203 e), and the clockwork spring (202) is connected with the first groove rotating column (102 e) and the second groove rotating column (203 e).
8. The strain clamp of claim 6 or 7, wherein: the turning block (203) further comprises a spring (203 f) and a limiting square tube (203 g), one end of the spring (203 f) is fixed to the bottom of the spring groove (K4), one end of the spring is fixedly connected with the side face of the limiting square tube (203 g), and the locking turning column (301) is in through connection with the limiting square tube (203 g).
9. The strain clamp of claim 8, wherein: the rotating block (203) further comprises a middle limiting column (203 h), and the middle limiting column (203 h) is arranged at the bottom of the translation groove (K2).
10. The strain clamp of any one of claims 7 or 9, wherein: the top end of the wedge block (101 a) is provided with a wedge block limiting groove (K5), the locking assembly (300) further comprises a locking lug (304), the locking lug (304) is arranged at the top of one end of the locking connecting column (302), the locking rotating column (301) is matched with the limiting groove (K3), the locking connecting column (302) is matched with the translation groove (K2), and the locking limiting column (303) is matched with the wedge block limiting groove (K5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211045806.3A CN115864273B (en) | 2022-08-30 | 2022-08-30 | Strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211045806.3A CN115864273B (en) | 2022-08-30 | 2022-08-30 | Strain clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115864273A true CN115864273A (en) | 2023-03-28 |
| CN115864273B CN115864273B (en) | 2024-06-18 |
Family
ID=85660672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211045806.3A Active CN115864273B (en) | 2022-08-30 | 2022-08-30 | Strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115864273B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101562464B1 (en) * | 2014-05-19 | 2015-10-21 | 박철웅 | hook type clamp |
| CN205509428U (en) * | 2015-12-22 | 2016-08-24 | 永固集团股份有限公司 | Locking strain clamp |
| CN206023140U (en) * | 2016-08-31 | 2017-03-15 | 浙江松果电力科技有限公司 | A kind of wedge strain resistance cable clamp |
| CN210129721U (en) * | 2019-04-17 | 2020-03-06 | 河北拓发通信电力器材制造有限公司 | High-strength wedge-shaped strain clamp |
| CN212085777U (en) * | 2020-06-01 | 2020-12-04 | 永固集团股份有限公司 | Overhead line's protection device |
| CN112117727A (en) * | 2020-08-31 | 2020-12-22 | 贵州电网有限责任公司 | Novel hydraulic tension-resistant cable clamp and bolt |
| CN212676848U (en) * | 2020-07-06 | 2021-03-09 | 浙江大红门电力设备有限公司 | Overhead insulating wedge-shaped strain clamp |
| KR20210144085A (en) * | 2020-05-21 | 2021-11-30 | 한국전력공사 | Wedge Type Tension Clamp for Prevention Power Line Breaking Away |
-
2022
- 2022-08-30 CN CN202211045806.3A patent/CN115864273B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101562464B1 (en) * | 2014-05-19 | 2015-10-21 | 박철웅 | hook type clamp |
| CN205509428U (en) * | 2015-12-22 | 2016-08-24 | 永固集团股份有限公司 | Locking strain clamp |
| CN206023140U (en) * | 2016-08-31 | 2017-03-15 | 浙江松果电力科技有限公司 | A kind of wedge strain resistance cable clamp |
| CN210129721U (en) * | 2019-04-17 | 2020-03-06 | 河北拓发通信电力器材制造有限公司 | High-strength wedge-shaped strain clamp |
| KR20210144085A (en) * | 2020-05-21 | 2021-11-30 | 한국전력공사 | Wedge Type Tension Clamp for Prevention Power Line Breaking Away |
| CN212085777U (en) * | 2020-06-01 | 2020-12-04 | 永固集团股份有限公司 | Overhead line's protection device |
| CN212676848U (en) * | 2020-07-06 | 2021-03-09 | 浙江大红门电力设备有限公司 | Overhead insulating wedge-shaped strain clamp |
| CN112117727A (en) * | 2020-08-31 | 2020-12-22 | 贵州电网有限责任公司 | Novel hydraulic tension-resistant cable clamp and bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115864273B (en) | 2024-06-18 |
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