CN109038435B - Automatic clamping type wedge-shaped strain clamp - Google Patents
Automatic clamping type wedge-shaped strain clamp Download PDFInfo
- Publication number
- CN109038435B CN109038435B CN201811189704.2A CN201811189704A CN109038435B CN 109038435 B CN109038435 B CN 109038435B CN 201811189704 A CN201811189704 A CN 201811189704A CN 109038435 B CN109038435 B CN 109038435B
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- clamp
- wire
- shell
- guide cap
- clamping
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- 230000000694 effects Effects 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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- Clamps And Clips (AREA)
Abstract
The application discloses an automatic clamping type wedge-shaped strain clamp, which comprises a clamp shell, a plurality of pairs of clamping blocks, a main spring and a conical guide cap, wherein the main spring is arranged on the clamp shell; the clamp shell is internally provided with a round table type cavity, the clamping blocks are movably attached together to form a round table clamp body with a channel at the center, the main spring is arranged at the wide opening end in the cavity, one end of the main spring props against the round table clamp body, the other end of the main spring directly or indirectly abuts against the wire clamp shell, the main spring is always in a compressed state, the guide cap is directly or indirectly movably clamped on the wire clamp shell, the guide cap is positioned at one side of the narrow opening end of the cavity, and the guide cap and the channel are positioned on the same straight line; when the wire moves into the wire clamp shell along the guide cap, the guide cap falls into the channel from the wire clamp shell, the channel is widened, the clamping block is propped against the wide opening end of the cavity when the guide cap moves towards the wide opening end of the cavity, and the main spring ejects the circular table clamp body to the narrow opening end of the cavity when the guide cap moves to leave the circular table clamp body.
Description
Technical Field
The invention relates to the field of strain clamps, in particular to an automatic clamping type wedge-shaped strain clamp.
Background
The strain clamp is a common auxiliary tool for connecting wires, and the strain clamp which is most used at present is a wedge-shaped strain clamp due to the safety and the convenience of operation. Patent CN2018202599153 provides a novel NXJ wedge-shaped insulating strain clamp, which comprises a clamp housing, an upper clamp body, a lower clamp body, a bolt and a fixing bolt, and the wedge-shaped strain clamp works as follows: that is, after the wire is plugged between the upper clamp body and the lower clamp body, the bolts and the fixing bolts on the wire clamp shell are manually screwed, so that the wire clamp shell clamps the upper clamp body and the lower clamp body, and the wire between the upper clamp body and the lower clamp body is clamped by clamping the upper clamp body and the lower clamp body. Because the wedge-shaped strain clamp is required to clamp the wire by manually screwing the bolt, the wire cannot be automatically clamped, and the wedge-shaped strain clamp is very inconvenient, and is particularly inconvenient in operation on an electric tower.
Disclosure of Invention
The invention provides an automatic clamping type wedge-shaped strain clamp aiming at the problems.
The technical scheme adopted by the invention is as follows:
an automatic clamping type wedge-shaped strain clamp comprises a clamp shell, a plurality of pairs of clamping blocks, a main spring and a conical guide cap; the clamp shell is internally provided with a round table type cavity, the clamping blocks are movably attached together to form a round table clamp body with a channel at the center, the main spring is arranged at the wide opening end in the cavity, one end of the main spring props against the round table clamp body, the other end of the main spring directly or indirectly abuts against the wire clamp shell, the main spring is always in a compressed state, the guide cap is directly or indirectly movably clamped on the wire clamp shell, the guide cap is positioned at one side of the narrow opening end of the cavity, and the guide cap and the channel are positioned on the same straight line; when the wire moves into the wire clamp shell along the guide cap, the guide cap falls into the channel from the wire clamp shell, the channel is widened, the clamping block is propped against the wide opening end of the cavity when the guide cap moves towards the wide opening end of the cavity, the main spring ejects the circular table clamp body to the narrow opening end of the cavity when the guide cap moves to leave the circular table clamp body, the channel is narrowed, and the wire is clamped by the clamping block.
In this device, when the wire is plugged to the fastener casing inside to the operating personnel, the wire can hold the guide cap earlier to the wire can be with the guide cap from the fastener casing top, and can with the guide cap top in the passageway of circular table clamp body, move towards the wide mouth end of cavity while holding up the guide cap, when the guide cap leaves the passageway, the main spring can with circular table clamp body bullet to the narrow mouth end department of cavity, the wire can be clamped by the clamp block.
The device automatically clamps the cable under the combined action of the spring and the clamping block, and is free from manual operation, convenient, fast, safe and reliable.
Optionally, the clamping block is matched with the auxiliary spring to form two circular truncated cone clamp bodies, the axial leads of the two circular truncated cone clamp bodies are on the same straight line, and the auxiliary spring is arranged between the two circular truncated cone clamp bodies.
Because the wire is generally divided into an inner layer and an outer layer (such as a common steel-cored aluminum strand and an insulated wire, wherein the outer layer of the bearing steel core is an aluminum strand, the aluminum strand is wound on the bearing steel core, the outer layer of the insulated wire is rubber, the center is a copper wire or an aluminum wire), the clamping effect is better by using two round table clamps (the steel-cored aluminum strand is taken as example 1, the round table clamps at the narrow opening end clamp the bearing steel core, the round table clamps at the wide opening end clamp the outer layer of the aluminum strand part, the rubber wire is taken as example 2, the round table clamps at the narrow opening end clamp the rubber layer, and the round table clamps at the wide opening end clamp the copper wire or the aluminum wire), the widths of the channels of the two round table clamps are different, and the width of the channel of the round table clamps at one side of the narrow opening end of the cavity is larger than that of the round table clamps at the wide opening end. The clamping effect is better by utilizing the two round table clamps, so that the clamping effect of the device is better than that of a hydraulic strain clamp, but compared with the hydraulic strain clamp, the hydraulic working procedure is omitted by using the device, the working procedure that the tower is put on the ground for compaction after the measured section is long is omitted, and then the tower is lifted to the working procedure of tensioning again, so that a great amount of manpower and human errors during hydraulic operation are saved.
It should be noted that in order to ensure a good clamping effect, when the two clamping blocks are fully attached together, the channel formed is oval, since the oval clamping effect is better than the circular clamping effect.
Optionally, the wire clamp further comprises an insulating base plate, wherein the insulating base plate is arranged in the wire clamp shell, one end of the main spring is propped against the circular table clamp, and the other end of the main spring is propped against the insulating base plate.
Optionally, the clamping block is a semicircular column type clamping block, and a semicircular arc type groove is formed in the center of the clamping block.
The two clamping blocks are matched together to form a circular table clamp body, the two semicircular grooves are used for clamping wires, and in order to enable the clamping effect of the grooves to be better, a plurality of threads can be arranged on the surfaces of the grooves to increase friction.
Optionally, the clamping blocks are provided with protrusions and recesses, and when the two clamping blocks are attached together to form a circular table clamp body, the protrusions on one clamping block are located in the recesses of the other clamping block.
The cooperation of protruding and indent can guarantee that two clamp blocks that mate together can not take place to drop and break away from, can guarantee to press from both sides the effect better in the use.
Optionally, the wire clip further comprises a guide ring, wherein the guide ring is arranged on the wire clip shell, and the movable clamp of the guide cap and the guide ring.
The guide ring can be a plastic ring, the guide ring is fixedly clamped on the wire clamp shell, and the guide cap is movably clamped on the guide ring.
Optionally, the cable clamp further comprises a connecting column, one end of the connecting column is positioned in the cable clamp shell, one end of the connecting column is propped against or not propped against the insulating base plate, and the other end of the connecting column is positioned outside the cable clamp shell; the side wall of the connecting column is provided with an inner concave ring groove, when a wire needs to be clamped, part of the wire clamp shell is bent towards the connecting column, so that part of the wire clamp shell is propped against the outer wall of the connecting column, and the connecting column is clamped in the wire clamp shell.
When the insulating base plate is fixed in the wire clamping shell (can not fall off), the connecting column does not need to prop against the insulating base plate, and when the insulating base plate is only clamped in the wire clamping shell (can fall off), one end of the connecting column needs to prop against the insulating base plate; meanwhile, in order to smoothly bend part of the shell of the wire clamp shell to the connecting column, strip-shaped notches can be arranged at the part of the shell, so that the part of the shell can be bent conveniently.
One end of the connecting column, which is positioned outside the wire clamp shell, can be connected with other connecting structures. Meanwhile, in order to achieve a better clamping effect, the shell wall of the wire clamp shell can be clamped in a hydraulic pressing mode, so that part of the shell wall of the wire clamp shell is clamped in the inner concave ring groove, and the friction force between the wire clamp shell and the connecting column is increased. Meanwhile, in order to firmly clamp the wire clamp shell on the connecting body, the connecting column can be a column which is approximately in a multi-stage truncated cone shape, the wide end is positioned in the wire clamp shell, and the narrow end is positioned outside the wire clamp shell.
Optionally, the clamping block is a conductive clamping block, the wire clamp shell is a conductive wire clamp shell, and the connecting column is an insulating or conductive connecting column.
Optionally, the wire clamp shell is a truncated cone-shaped wire clamp shell, two ends of the wire clamp shell are opened, and the cavity is communicated with the openings at two ends.
Optionally, the conical guide cap is a sharp conical guide cap or an elliptic conical guide cap.
Whether the conical guide cap or the elliptic guide cap is in a sharp shape, the outer side surface of the guide cap must be smooth, and for the convenience of use and operation, the elliptic guide cap is preferably used, and the elliptic guide cap is similar to the head of a condom in structure.
The beneficial effects of the invention are as follows: the device automatically clamps the cable under the combined action of the spring and the clamping block, and the cable does not need manual operation and clamping, thereby being convenient, quick, safe and reliable.
Description of the drawings:
FIG. 1 is a schematic illustration of the structure of a clamping block;
FIG. 2 is a schematic diagram of the structure of embodiment 1;
FIG. 3 is a schematic diagram of the structure of embodiment 2;
FIG. 4 is a schematic diagram of the structure of embodiment 3;
fig. 5 is an enlarged schematic view of the structure at a in fig. 3.
The reference numerals in the drawings are as follows: 1. the wire clamp comprises a wire clamp shell, 101, a wide-mouth end, 102, a narrow-mouth end, 2, a clamping block, 201, a protrusion, 202, an indent, 203, a groove, 301, a main spring, 302, an auxiliary spring, 4, a guide cap, 5, a channel, 6, an insulating base plate, 7, a connecting column, 701, an indent ring groove, 8, a guide ring, 9, a three-fork anchor, 10, a lifting ring, 11 and a guide wire.
The specific embodiment is as follows:
the present invention will be described in detail below with reference to the drawings and examples.
Example 1
Single round bench clamp type automatic clamping type wedge-shaped strain clamp
As shown in fig. 1 and 2, an automatic clamping type wedge-shaped strain clamp comprises a clamp shell 1, two clamping blocks 2, a guide ring 8, a guide cap 4, a connecting column 7, an insulating base plate 6 and a main spring 301. A round table type cavity (two ends of the cavity are communicated and similar to a sleeve) is arranged in the wire clamp shell 1, two clamping blocks 2 are matched with each other to form a round table clamp body in a mode of matching a bulge 201 and an indent 202, grooves 203 of the two clamping blocks 2 are matched with each other to form a channel 5 of the round table clamp body (when the two clamping blocks 2 are completely matched with each other, the channel 5 is elliptical), an insulating base plate 6 (which can be an insulating hard plastic plate) is arranged at a wide opening end 101 of the cavity (which can be fixed in the wire clamp shell 1 by gluing or clamped in the wire clamp shell 1), one end of a main spring 301 is propped against the round table clamp body, the other end of the main spring 301 is propped against the insulating base plate 6, one end of a connecting column 7 is positioned in the wire clamp shell 1 (and propped against the insulating base plate 6), part of the wire clamp shell 1 is bent towards the connecting column 7, the part of the shell is propped against the side wall of the pressing connecting column 7, meanwhile, part of the shell wall of the wire clamp shell is pressed into the concave ring groove 701 (part of the shell wall of the wire clamp shell 1 in fig. 2 is not pressed into the concave ring groove 701, and hydraulic pliers can be used for specific construction), so that shaking cannot occur between the connecting column 7 and the wire clamp shell 1, offset and shaking cannot occur between the connecting column 7 and the guide column, a guide ring 8 (a plastic ring) is clamped on the wire clamp shell 1 (the clamping is firm, the guide ring 8 is not easy to fall off from the wire clamp shell 1), an elliptic conical guide cap 4 (the structure is similar to the head of a condom, in the embodiment, the elliptic conical guide cap 4 is preferentially used, because the taper is not easy to clamp on the guide ring 8) is clamped on the guide ring 8 (because the hole in the middle of the guide ring 8 is round and the end of the guide cap 4 is round, the clamping strength of the guide cap 4 and the guide ring 8 is not high, and the guide cap 4 can be separated from the guide ring 8 when the wire is pushed into the wire clamp shell 1 against the guide cap 4).
In order to be able to connect wires directly to the wire clamp housing 1, both the clamping blocks 2 and the wire clamp housing 1 are electrically conductive in this embodiment, while the connecting post 7 is electrically non-conductive when the tail end is not loaded, and the connecting post 7 is electrically conductive when no current lead is connected to the wire clamp housing 1 or when a load is applied to the tail end of the connecting post. Whether the connection post is conductive or non-conductive may be selected according to the needs of the application.
Example 2
Double round bench clamp type automatic clamping wedge-shaped strain clamp
As shown in fig. 1, fig. 3 and fig. 5, an automatic clamping type wedge-shaped strain clamp comprises a clamp shell 1,4 clamping blocks 2, a guide ring 8, a guide cap 4, a connecting column 7, an insulating base plate 6, a main spring 301 and a secondary spring 302. The inside of the wire clamp shell 1 is provided with a round table type cavity (two ends of the cavity are communicated and are similar to a sleeve), 4 clamping blocks 2 are matched with the concave 202 in a matching mode to form 2 round table clamps, grooves 203 of the two clamping blocks 2 are matched with each other to form a round table clamp channel 5 (when the two clamping blocks 2 are completely matched with each other, the channel 5 is elliptical, in the embodiment, two channels 5 are formed), the two round table clamps are arranged in the cavity, a secondary spring 302 is positioned between the two round table clamps, and the width of the round table clamp channel 5 positioned at the narrow-mouth end 102 is larger than that of the round table clamp channel 5 positioned at the wide-mouth end 101.
An insulating pad 6 (which may be an insulating hard plastic plate) is disposed at the wide opening end 101 of the cavity (which may be adhesively fixed in the wire clamp housing 1 or clamped in the wire clamp housing 1), one end of the main spring 301 abuts against the circular table clamp body, the other end of the main spring 301 abuts against the insulating pad 6, one end of the connecting post 7 is located in the wire clamp housing 1 (and abuts against the insulating pad 6), a part of the housing of the wire clamp housing 1 is bent towards the connecting post 7, the part of the housing abuts against a side wall on the connecting post 7, and simultaneously the part of the housing wall of the wire clamp housing is pressed into the concave ring groove 701 (in fig. 2, part of the housing wall of the wire clamp housing 1 is not pressed into the concave ring groove 701 yet, and can be pressed into by hydraulic clamping in a specific construction) so that deflection and shaking cannot occur between the connecting post 7 and the wire clamp housing 1, the guide ring 8 (circular ring) is clamped on the wire clamp housing 1 (the clamping is relatively firm, the guide ring 8 is not easy to drop from the wire clamp housing 1), the elliptical conical guide cap 4 (the structure is similar to the head of the sleeve), the elliptical conical guide cap 4 is preferably used in this embodiment, the elliptical guide cap 4 is easy to push the guide ring 8 off the guide ring 8 to the guide ring 4, and the guide ring 8 is not pushed against the guide ring 8 to the guide ring 4 is hard to the guide ring 4, and the guide ring 4 is not pushed into the guide ring 8, and the guide ring 4 is positioned on the guide ring 8 is hard to be pushed into the guide cap 4.
In order to be able to connect the drainage wire directly to the wire clamp housing 1, both the clamping block 2 and the wire clamp housing 1 are electrically conductive in this embodiment, while the connection post 7 is electrically non-conductive when no load is applied to the end of the wire clamp housing 1, and the connection post 7 is electrically conductive when no drainage wire is connected to the wire clamp housing 1 or when a load is applied to the end of the connection post. Whether the connection post is conductive or non-conductive may be selected according to the needs of the application.
In order to avoid the phenomenon, the wire and the guide cap can be clamped and fixed together or the guide cap and the wire are stuck together, so that the guide cap cannot fall off the wire when leaving the first circular table clamp.
In this embodiment, the truncated cone formed by matching the clamping blocks is not a regular truncated cone, but is a convex truncated cone with slopes in the middle of two sides, so that the purpose of the arrangement is to prevent the clamping blocks from being blocked in the process of moving up and down, and more conveniently clamp the main spring and the auxiliary spring.
It should be further noted that, in the embodiments 1 and 2, the cross-section of the circular table clamp may be a complete circle or may be an ellipse, and in practical use, an ellipse is preferably used.
Example 3
Three fork anchor type NXZ automatic clamping type wedge-shaped strain clamp
As shown in fig. 4, the automatic clamping type wedge-shaped strain clamp comprises a three-fork anchor 9, a lifting ring 10 and a guide wire 11, and is provided in embodiment 1 or embodiment 2, one end of the lifting ring is fixed at one end of the three-fork anchor (the lifting ring and the three-fork anchor can be integrally formed), the other two ends of the three-fork anchor are respectively connected with an automatic clamping type wedge-shaped strain clamp (can be provided in embodiment 1 or embodiment 2, or provided in embodiment 1 and embodiment 2), and the clamp shells 1 of the two automatic clamping type wedge-shaped strain clamps are connected together in a conducting manner through the guide wire 11. The specific tri-fork anchor can be fixedly connected with the connecting column, and one end of the tri-fork anchor can also be directly used as the connecting column (in this way, the tri-fork anchor is not conductive when the tail end is not loaded, and one end structure of the tri-fork anchor is similar to the connecting column (also provided with an inner concave ring groove))
In embodiment 3, it should be noted that, to ensure the use strength, the hanging ring 10 and the tri-fork anchor 9 are preferably integrally formed, and the tri-fork anchor 9 may be made of a conductive material or a non-conductive material, because no current flows through the tri-fork anchor 9, but the clamping block and the wire clamp housing must be conductive.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover all equivalent structures as modifications within the scope of the invention, either directly or indirectly, as may be contemplated by the present invention.
Claims (8)
1. An automatic clamping type wedge-shaped strain clamp comprises a clamp shell and a plurality of pairs of clamping blocks, and is characterized by also comprising a main spring and a conical guide cap; the clamp shell is internally provided with a round table type cavity, the clamping blocks are movably attached together to form a round table clamp body with a channel at the center, the main spring is arranged at the wide opening end in the cavity, one end of the main spring props against the round table clamp body, the other end of the main spring directly or indirectly abuts against the wire clamp shell, the main spring is always in a compressed state, the guide cap is directly or indirectly movably clamped on the wire clamp shell, the guide cap is positioned at one side of the narrow opening end of the cavity, and the guide cap and the channel are positioned on the same straight line; when the wire moves into the wire clamp shell along the guide cap, the guide cap falls into the channel from the wire clamp shell, the channel is widened, the clamping block is propped against the wide opening end of the cavity when the guide cap moves towards the wide opening end of the cavity, and when the guide cap moves to leave the circular table clamp body, the main spring ejects the circular table clamp body to the narrow opening end of the cavity, the channel is narrowed, and the wire is clamped by the clamping block; the clamping block is matched with the auxiliary spring to form two circular truncated cone clamp bodies, the axial lines of the two circular truncated cone clamp bodies are on the same straight line, and the auxiliary spring is arranged between the two circular truncated cone clamp bodies; the wire clamp further comprises an insulating base plate, wherein the insulating base plate is arranged in the wire clamp shell, one end of the main spring is propped against the circular table clamp, and the other end of the main spring is propped against the insulating base plate.
2. The self-clamping wedge-shaped strain clamp of claim 1, wherein the clamping block is a semicircular column-shaped clamping block, and a semicircular arc-shaped groove is formed in the center of the clamping block.
3. The self-clamping wedge-shaped strain clamp of claim 2, wherein the clamping blocks are provided with protrusions and recesses, and when the two clamping blocks are attached together to form a circular table clamp body, the protrusions of one clamping block are positioned in the recesses of the other clamping block.
4. The self-clamping wedge-shaped strain clamp of claim 1, further comprising a guide ring disposed on the clamp housing, the guide cap movably clamped to the guide ring.
5. The self-clamping wedge-shaped strain clamp of claim 1 or 3, further comprising a connecting column, wherein one end of the connecting column is positioned in the clamp shell, one end of the connecting column is propped against or not propped against the insulating base plate, and the other end of the connecting column is positioned outside the clamp shell; the side wall of the connecting column is provided with an inner concave ring groove, when a wire needs to be clamped, part of the wire clamp shell is bent towards the connecting column, so that part of the wire clamp shell is propped against the outer wall of the connecting column, and the connecting column is clamped in the wire clamp shell.
6. The self-clamping wedge-shaped strain clamp of claim 5, wherein the clamping blocks are conductive clamping blocks, the clamp housing is a conductive clamp housing, and the connecting posts are insulated or conductive connecting posts.
7. The self-clamping wedge-shaped strain clamp of claim 1, wherein the clamp housing is a truncated cone-shaped clamp housing, and the clamp housing is open at both ends, and the cavity is in communication with the openings at both ends.
8. The self-clamping wedge-shaped strain clamp of claim 1, wherein the tapered cap is a pointed tapered cap or an oval tapered cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189704.2A CN109038435B (en) | 2018-10-12 | 2018-10-12 | Automatic clamping type wedge-shaped strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189704.2A CN109038435B (en) | 2018-10-12 | 2018-10-12 | Automatic clamping type wedge-shaped strain clamp |
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| Publication Number | Publication Date |
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| CN109038435A CN109038435A (en) | 2018-12-18 |
| CN109038435B true CN109038435B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811189704.2A Active CN109038435B (en) | 2018-10-12 | 2018-10-12 | Automatic clamping type wedge-shaped strain clamp |
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| CN (1) | CN109038435B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109826034A (en) * | 2019-03-07 | 2019-05-31 | 中国十七冶集团有限公司 | A kind of single steel strand connector and its operating method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1018967A (en) * | 1963-07-23 | 1966-02-02 | Cable Covers Ltd | Improvements in and relating to anchor grips for use in tensioning the wires,rods or stranded elements in prestressed concrete structures |
| CN2195814Y (en) * | 1994-04-06 | 1995-04-26 | 胡定超 | Automatic cable clamp |
| CN105870864A (en) * | 2016-06-23 | 2016-08-17 | 江西赣发机械制造有限公司 | Rapid continuing strain clamp |
| CN206060127U (en) * | 2016-10-08 | 2017-03-29 | 国家电网公司 | Conductor strain clamp |
| CN208753928U (en) * | 2018-10-12 | 2019-04-16 | 上海蜀中电气有限公司 | Automatic clamping-type wedge strain resistance cable clamp |
-
2018
- 2018-10-12 CN CN201811189704.2A patent/CN109038435B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1018967A (en) * | 1963-07-23 | 1966-02-02 | Cable Covers Ltd | Improvements in and relating to anchor grips for use in tensioning the wires,rods or stranded elements in prestressed concrete structures |
| CN2195814Y (en) * | 1994-04-06 | 1995-04-26 | 胡定超 | Automatic cable clamp |
| CN105870864A (en) * | 2016-06-23 | 2016-08-17 | 江西赣发机械制造有限公司 | Rapid continuing strain clamp |
| CN206060127U (en) * | 2016-10-08 | 2017-03-29 | 国家电网公司 | Conductor strain clamp |
| CN208753928U (en) * | 2018-10-12 | 2019-04-16 | 上海蜀中电气有限公司 | Automatic clamping-type wedge strain resistance cable clamp |
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| Publication number | Publication date |
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| CN109038435A (en) | 2018-12-18 |
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