CN209072023U - A kind of wedge strain resistance cable clamp - Google Patents
A kind of wedge strain resistance cable clamp Download PDFInfo
- Publication number
- CN209072023U CN209072023U CN201821982534.9U CN201821982534U CN209072023U CN 209072023 U CN209072023 U CN 209072023U CN 201821982534 U CN201821982534 U CN 201821982534U CN 209072023 U CN209072023 U CN 209072023U
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- wedge
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- clamp plate
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a kind of wedge strain resistance cable clamps, comprising: positioning sheath, sheath, upper clamp plate, lower clamp plate, connecting plate and anti-drop device；Positioning sheath connects the wedge-shaped sheath to be formed with wedged hole with sheath, and the rectangular area of the front-end cross-sectional view of wedged hole is greater than the rectangular area in cross sectional rear end face；Upper clamp plate and lower clamp plate are disposed through in wedged hole, and upper clamp plate is parallel with the corresponding surface of lower clamp plate, and the upper surface of upper clamp plate and the lower surface of lower clamp plate are bonded with two cleat planes of wedged hole respectively；Upper clamp plate and lower clamp plate are correspondingly arranged on arc groove on its corresponding surface, and corresponding arc groove forms the metallic channel of clamping conducting wire；In the outside of wedged hole, upper clamp plate and lower clamp plate are fixedly connected to form cleat assembly；The anti-drop device for preventing being detached from cleat assembly is installed, upper clamp plate and lower clamp plate are provided with anti-being disengaged from the groove with anti-drop device cooperation on positioning sheath.The structure of the wedge strain resistance cable clamp is simple, and installation can be completed using general tool, prevents cleat assembly from slipping from wedged hole by anti-drop device and the anti-cooperation being disengaged from the groove.
Description
Technical Field
The utility model relates to a strain clamp specifically is a wedge strain clamp.
Background
When the cable is erected, the cable comprises a railway cable, a high-voltage cable and the like, and a strain clamp is required at the joint of the cable and a wire tower or a telegraph pole. The strain clamp is used for fixing a lead wire or a lightning conductor on a strain insulator string of a nonlinear tower, plays an anchoring role and is also used for fixing a stay wire of a stay wire tower. The strain clamp is used for corner turning, connection and connection of terminals.
At present, most of domestic power transmission lines are hydraulic strain clamps, the construction is complicated, special hydraulic pumps and hydraulic machines are needed, and the requirement on the operation level of constructors is very high. In the actual work progress, because the operation is not standard, lead to hydraulic pressure strain clamp to appear the crack or press not to be real, these all seriously influence the performance of hydraulic pressure strain clamp, seriously threaten the safe operation of transmitting electricity.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model aims to provide a wedge strain clamp, simple structure, the commonality is strong, and it is fixed not need the compression, uses the common tool can accomplish the installation to be suitable for various voltage levels.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
a wedge strain clamp, comprising: the positioning sheath, the upper clamping plate, the lower clamping plate, the connecting plate and the anti-falling device; wherein,
the positioning sheath and the sheath are connected to form a wedge-shaped sheath with a wedge-shaped hole, and the rectangular area of the cross section of the front end of the wedge-shaped hole is larger than that of the cross section of the rear end of the wedge-shaped hole;
the upper clamping plate and the lower clamping plate are arranged in the wedge-shaped hole in a penetrating mode, corresponding surfaces of the upper clamping plate and the lower clamping plate are parallel, and the upper surface of the upper clamping plate and the lower surface of the lower clamping plate are respectively attached to two wedge-shaped planes of the wedge-shaped hole; the upper clamping plate and the lower clamping plate are correspondingly provided with arc-shaped grooves on the corresponding surfaces, and the corresponding arc-shaped grooves form wire grooves for clamping wires; the upper clamping plate and the lower clamping plate are fixedly connected to form a clamping plate assembly on the outer side of the wedge-shaped hole;
the positioning sheath is provided with an anti-falling device for preventing the positioning sheath from being separated from the clamping plate assembly, and the upper clamping plate and the lower clamping plate are both provided with anti-falling grooves matched with the anti-falling device.
Further, the anti-disengaging device is of a rod-shaped structure, one end of the anti-disengaging device is a set screw, the other end of the anti-disengaging device is a positioning pin, the diameter of the positioning pin is smaller than that of the set screw, and an internal thread hole matched with the set screw is formed in the positioning sheath.
Further, the anti-falling device is the set screw and the positioning pin integrated into one piece structure.
Further, the anti-falling device is a split fixed connection structure of the set screw and the positioning pin.
Further, the anti-falling device further comprises a spring, and the spring is connected between the set screw and the positioning pin.
And furthermore, the upper clamping plate and the lower clamping plate are fixedly connected through bolts and close to the outer side of the front end of the wedge-shaped hole.
Further, the anti-falling groove is arranged close to the fixed connecting end of the upper clamping plate and the fixed connecting end of the lower clamping plate.
Furthermore, the outer surface of the positioning sheath and the corresponding position of the outer surface of the sheath are provided with trunnions, one end of the connecting plate is connected with the trunnions, and the other end of the connecting plate is connected with the insulator through a connecting hardware fitting.
The utility model discloses a wedge strain clamp's simple structure uses ordinary instrument can accomplish the installation to be suitable for various voltage levels, and, the cooperation through anticreep device and anticreep groove prevents that splint subassembly slippage from the wedge hole, has effectively guaranteed wedge strain clamp to the grip of wire.
The utility model discloses an among the preferred technical scheme, the anticreep device still sets up the spring coupling mode between holding screw and locating pin are connected, through the fastening connection in internal thread hole on holding screw and positioning sheath, make the locating pin top-mounting in the anticreep groove of punch holder or lower plate, through the compression of spring, make the locating pin furthest deepen the anticreep groove all the time, avoid leading to wedge sheath and splint subassembly's position to change because of the atress change of wire to lead to taking place the dead phenomenon of card between locating pin and the anticreep groove.
Drawings
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a block diagram of FIG. 1 at 3;
FIG. 5 is a schematic structural diagram of the first embodiment 7 in FIG. 1;
FIG. 6 is a schematic structural diagram of the second embodiment 7 in FIG. 1;
fig. 7 is a schematic structural diagram of the third embodiment 7 in fig. 1.
Detailed Description
To clearly illustrate the design concept of the present invention, the following description is made with reference to the examples.
As in the example shown in fig. 1-3, the wedge-shaped strain clamp of the present invention comprises: the device comprises a positioning sheath 1, a sheath 2, an upper clamping plate 3, a lower clamping plate 4, a connecting plate 6 and a group of anti-falling devices 7; the installation planes of the positioning sheath 1 and the sheath 2 are connected through 4 screws 5 to form a wedge-shaped sheath with a wedge-shaped hole, and the rectangular area of the cross section of the front end of the wedge-shaped hole is larger than that of the cross section of the rear end of the wedge-shaped hole; the upper plate 3 and the lower plate 4 are arranged in the wedge-shaped hole in a penetrating mode, the corresponding surfaces of the upper plate 3 and the lower plate 4 are parallel, the upper surface of the upper plate 3 and the lower surface of the lower plate 4 are respectively attached to two wedge-shaped planes of the wedge-shaped hole and are close to the outer side of the front end of the wedge-shaped hole, and the upper plate 3 and the lower plate 4 are fixedly connected through bolts to form a clamping plate assembly.
Arc-shaped grooves are correspondingly formed in the contact surfaces of the upper clamping plate 3 and the lower clamping plate 4 respectively, and a wire groove 9 for clamping a wire 8 is formed in the corresponding arc-shaped grooves of the upper clamping plate 3 and the lower clamping plate 4; the positioning sheath 1 is provided with an anti-falling device 7 for preventing the positioning sheath 1 from being separated from the upper clamping plate 3, and as shown in fig. 4, the upper clamping plate 3 is provided with an anti-falling groove 3-1 matched with the anti-falling device 7. The anti-drop groove 3-1 is arranged near the fixed connecting end of the upper splint 3 and the lower splint 4. When wedge strain clamp carries out the centre gripping to wire 8, through anticreep device 7 and anticreep groove 3-1's cooperation, prevent that punch holder 3 from following the front end roll-off of wedge hole along the wedge plane of wedge hole, simultaneously because punch holder 3 and lower plate 4 connect into the splint subassembly through the bolt, consequently, the splint subassembly can carry out the centre gripping to wire 8 reliably, and a whole set of wedge clamp guarantees that the pressure of splint subassembly to 8 centre grippings of wire meets the demands.
Preferably, the upper clamping plate 3 and the lower clamping plate 4 are identical in structure, so that the upper clamping plate 3 and the lower clamping plate 4 can be machined by the same die during machining, machining cost is saved, and more importantly, the upper clamping plate 3 and the lower clamping plate 4 do not need to be distinguished intentionally during installation, so that the installation time of the wedge-shaped strain clamp is saved.
Alternatively, the upper and lower clamping plates 3 and 4 are constructed by only machining the fixing connection holes or the thread direction of the fixing connection holes in different details, so that the machining advantages are also obtained during machining.
As shown in fig. 5, the first anti-disengaging device 7 of the present invention is an integrally formed structure, the upper end of which is a set screw, and the lower end of which is a positioning pin, wherein the diameter of the positioning pin is smaller than the diameter of the set screw. The anti-drop device 7 can be installed in the anti-drop groove 3-1 through the internal thread hole on the positioning sheath 1. The clamping plate assembly is prevented from slipping out of the wedge-shaped hole through the matching of the anti-slip device 7 and the anti-slip groove 3-1.
As shown in fig. 6, in another embodiment of the present invention, the anti-separation means 7 comprises a set screw 7-1 and a positioning pin 7-3 connected to the set screw 7-1; the set screw 7-3 is provided with an external thread, and the positioning sheath 1 is provided with an internal thread hole matched with the external thread of the set screw 7-1; the diameter of the positioning pin is smaller than that of the internal thread hole, and the positioning pin 7-3 can pass through the internal thread hole on the positioning sheath 1 and is installed in the anti-falling groove 3-1. The positioning pin 7-3 is pressed in the anti-falling groove 3-1 to prevent the clamping plate assembly from sliding out of the wedge-shaped sheath.
The set screw 7-1 and the positioning pin 7-3 can be fixedly connected in a threaded connection mode, a clamping connection mode and the like.
As shown in FIG. 7, in a third embodiment of the present invention, the anti-separation device 7 comprises a set screw 7-1, a spring 7-2 and a positioning pin 7-3, wherein the spring 7-2 is connected between the set screw 7-1 and the positioning pin 7-3. When the anti-falling device 7 is installed, the positioning pin 7-3 is jacked in the anti-falling groove 3-1 of the upper clamping plate 3 through the fastening connection of the internal thread hole on the positioning screw 7-1 and the positioning sheath 1, the position of the positioning pin 7-3 penetrating into the anti-falling groove 3-1 is constant through the compression of the spring 7-2, the clamping plate component is prevented from sliding out of the wedge-shaped sheath without being influenced by the position change of the wedge-shaped sheath and the clamping plate component, meanwhile, the clamping between the positioning pin 7-3 and the anti-falling groove 3-1 is prevented, and the use reliability of the wedge-shaped strain clamp is improved.
In the anti-falling device 7, the spring 7-2 can be fixedly connected with the set screw 7-1 and the positioning pin 7-3 by welding, riveting and the like, or the spring 7-2 can be detachably clamped between the set screw 7-1 and the positioning pin 7-3 by slotting the end surfaces of the set screw 7-1 and the positioning pin 7-3 connected with the screws.
In addition, the outer surface of the positioning sheath 1 is provided with a trunnion 1-1, the outer surface of the sheath 2 corresponding to the trunnion 1-1 is provided with a trunnion 2-1, the trunnion 1-1 and the trunnion 2-1 are radially symmetrical, one ends of two connecting plates 6 are arranged on the trunnion 1-1 and the trunnion 2-1, and the other ends of the two connecting plates 6 are connected with the insulator through a connecting hardware fitting.
It is noted that some of the structures may be selected differently than the specific examples given above. For example, more than 2 groups of anti-falling devices 7 can be installed on the positioning sheath 1, and the specific arrangement needs to be selected according to factors such as the wire diameter and the use condition of the lead; the mounting planes of the positioning sheath 1 and the positioning sheath 2 are connected through more than 4 screws 5 to form a wedge-shaped hole, and the specific number of the screws is determined according to the size of the wedge-shaped strain clamp; and the like, which can be made by those skilled in the art based on their basic skills based on an understanding of the inventive concept, and are not to be taken as an example herein.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.
Claims (8)
1. The utility model provides a wedge strain clamp which characterized in that includes: the positioning sheath, the upper clamping plate, the lower clamping plate, the connecting plate and the anti-falling device; wherein,
the positioning sheath and the sheath are connected to form a wedge-shaped sheath with a wedge-shaped hole, and the rectangular area of the cross section of the front end of the wedge-shaped hole is larger than that of the cross section of the rear end of the wedge-shaped hole;
the upper clamping plate and the lower clamping plate are arranged in the wedge-shaped hole in a penetrating mode, corresponding surfaces of the upper clamping plate and the lower clamping plate are parallel, and the upper surface of the upper clamping plate and the lower surface of the lower clamping plate are respectively attached to two wedge-shaped planes of the wedge-shaped hole; the upper clamping plate and the lower clamping plate are correspondingly provided with arc-shaped grooves on the corresponding surfaces, and the corresponding arc-shaped grooves form wire grooves for clamping wires; the upper clamping plate and the lower clamping plate are fixedly connected on the outer side of the wedge-shaped hole to form a clamping plate assembly;
the positioning sheath is provided with an anti-falling device for preventing the wedge-shaped sheath from being separated from the clamping plate assembly, and the upper clamping plate and the lower clamping plate are both provided with anti-falling grooves matched with the anti-falling device.
2. The wedge-shaped strain clamp of claim 1, wherein the anti-slip device is a rod-shaped structure, one end of the anti-slip device is a set screw, the other end of the anti-slip device is a positioning pin, the diameter of the positioning pin is smaller than that of the set screw, and an internal threaded hole matched with the set screw is formed in the positioning sheath.
3. The wedge strain clamp of claim 2, wherein the anti-separation means is an integral structure of the set screw and the dowel pin.
4. The wedge strain clamp of claim 2, wherein the anti-separation means is a split fixed connection of the set screw and the locating pin.
5. The wedge strain clamp of claim 2, wherein the anti-slip device further comprises a spring coupled between the set screw and the set pin.
6. The wedge strain clamp of claim 1, wherein the upper clamping plate and the lower clamping plate are fixedly connected by a bolt proximate an outer side of a front end of the wedge-shaped hole.
7. The wedge strain clamp of claim 6, wherein the anti-drop channel is disposed proximate to the fixed connection of the upper clamping plate and the lower clamping plate.
8. The wedge-shaped strain clamp according to any one of claims 1 to 7, wherein trunnions are disposed at corresponding positions on the outer surface of the positioning sheath and the outer surface of the sheath, one end of the connecting plate is connected to the trunnions, and the other end of the connecting plate is connected to the insulator through a connecting fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982534.9U CN209072023U (en) | 2018-11-29 | 2018-11-29 | A kind of wedge strain resistance cable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982534.9U CN209072023U (en) | 2018-11-29 | 2018-11-29 | A kind of wedge strain resistance cable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209072023U true CN209072023U (en) | 2019-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982534.9U Active CN209072023U (en) | 2018-11-29 | 2018-11-29 | A kind of wedge strain resistance cable clamp |
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| Country | Link |
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| CN (1) | CN209072023U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510146A (en) * | 2018-11-29 | 2019-03-22 | 北京帕尔普线路器材有限公司 | A kind of wedge strain resistance cable clamp |
| RU198073U1 (en) * | 2019-11-26 | 2020-06-17 | Акционерное общество "Южноуральский арматурно-изоляторный завод" | TENSIONED TAPE CLAMP |
| CN112332350A (en) * | 2020-11-18 | 2021-02-05 | 云南电网有限责任公司 | Closed shell wedge-shaped strain clamp for overhead insulated conductor |
-
2018
- 2018-11-29 CN CN201821982534.9U patent/CN209072023U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510146A (en) * | 2018-11-29 | 2019-03-22 | 北京帕尔普线路器材有限公司 | A kind of wedge strain resistance cable clamp |
| CN109510146B (en) * | 2018-11-29 | 2024-04-05 | 北京帕尔普线路器材有限公司 | Wedge-shaped strain clamp |
| RU198073U1 (en) * | 2019-11-26 | 2020-06-17 | Акционерное общество "Южноуральский арматурно-изоляторный завод" | TENSIONED TAPE CLAMP |
| CN112332350A (en) * | 2020-11-18 | 2021-02-05 | 云南电网有限责任公司 | Closed shell wedge-shaped strain clamp for overhead insulated conductor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230913 Address after: No. 38 Gaotai Road, Binhai Science and Technology Park, Binhai High tech Zone, Binhai New Area, Tianjin, 300458 Patentee after: PARP line equipment Co.,Ltd. Patentee after: BEIJING PLP CONDUCTOR LINE PRODUCTS CO.,LTD. Address before: 102488 Beijing City Industrial Development Zone in Liangxiang Fangshan District Sophora japonica Street No. 1 Patentee before: BEIJING PLP CONDUCTOR LINE PRODUCTS CO.,LTD. |