CN204243217U - Fastening parallel groove clamp - Google Patents
Fastening parallel groove clamp Download PDFInfo
- Publication number
- CN204243217U CN204243217U CN201420819911.2U CN201420819911U CN204243217U CN 204243217 U CN204243217 U CN 204243217U CN 201420819911 U CN201420819911 U CN 201420819911U CN 204243217 U CN204243217 U CN 204243217U
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- CN
- China
- Prior art keywords
- arc
- train wheel
- wheel bridge
- upper arc
- fastening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of fastening parallel groove clamp, include train wheel bridge, lower plate and fastening bolt, a side of train wheel bridge is upper arc-shaped curved surface, and train wheel bridge offers the upper arc-shaped slot of at least two arcuately surface extending; Lower plate is provided with towards the side of train wheel bridge the indent arc-shaped curved surface matched with upper arc-shaped curved surface, and arc lower curved surface offers the arc lower groove corresponding with upper arc-shaped slot position; The vertical cross-section of upper arc-shaped slot and arc lower groove is arc; The cell wall of upper arc-shaped slot and arc lower groove is all with metal friction layer.The purpose of this utility model is to provide a kind of higher to electric wire tightness, and simultaneously when loosening appears in the bolt of fastening reach the standard grade holder and the holder that rolls off the production line, electric wire can not by the fastening parallel groove clamp extracted out easily.
Description
Technical field
The utility model relates to a kind of method or the equipment that are exclusively used in installation, maintenance, repairing or dismantle cable or electric wire, and more particularly, it relates to a kind of fastening parallel groove clamp.
Background technology
Fastening parallel groove clamp is not bearing the connection on the position of tension force for the aluminium stranded conductor of middle small bore or the steel strand wire of steel reinforced aluminium conductor and overhead ground wire, and the wire jumper also for non-rectilinear shaft tower connects.Power engineering material (gold utensil) connects wire and is connected to each other with being mainly used in power circuitry engineering.
In prior art, fastening parallel groove clamp is made up of upper and lower holder, upper and lower holder respectively arranges the involutory rear formation full circle straight hole supply lines of semicircle direct through groove and passes, the fastening parallel groove clamp of this structure in use, electric wire easily moves axially in fastening parallel groove clamp, can have a negative impact to electric power transfer.
It is on August 8th, 2013 in the applying date, application number is disclose a kind of fastening parallel groove clamp structure with snakelike groove in the patent documentation of 201320480550.9, include, roll off the production line holder, wherein, reach the standard grade and to be provided with the identical upper snakelike groove of a pair shape bottom holder, and upper snakelike groove vertical cross-section is set to first circle respectively, roll off the production line holder top be provided with a pair with snakelike groove shape same position lower snakelike groove one to one on holder of reaching the standard grade, and lower snakelike groove vertical cross-section is set to lower semi-circular respectively, described holder of reaching the standard grade is to being combined on drop wire clip seat, and the upper snakelike groove of holder of reaching the standard grade, roll off the production line the lower snakelike groove one_to_one corresponding of holder to being combined into the snakelike groove that vertical cross-section is full circle.The utility model utilizes the spacing electricity of the bending shape of snakelike groove
Line, makes electric wire move, and improves the stability that fastening parallel groove clamp is fixed electric wire.So it remains can improvements to the tightness of electric wire.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of higher to electric wire tightness, and simultaneously when loosening appears in the bolt of fastening reach the standard grade holder and the holder that rolls off the production line, electric wire can not by the fastening parallel groove clamp extracted out easily.
For achieving the above object, the utility model provides following technical scheme:
A kind of fastening parallel groove clamp, include train wheel bridge, lower plate and fastening bolt, a side of described train wheel bridge is upper arc-shaped curved surface, and described train wheel bridge offers the upper arc-shaped slot of at least two arcuately surface extending;
Described lower plate is provided with towards the side of train wheel bridge the indent arc-shaped curved surface matched with described upper arc-shaped curved surface, and described arc lower curved surface offers the arc lower groove corresponding with upper arc-shaped slot position;
The vertical cross-section of described upper arc-shaped slot and arc lower groove is arc;
The cell wall of described upper arc-shaped slot and arc lower groove is all with metal friction layer.
As setting of the present utility model, described train wheel bridge includes two upper arc-shaped slots, and the arc of the upper arc-shaped slot described in two moves towards all towards the radial centre lines of described train wheel bridge, and symmetrical about radial centre lines.
Preferably, the side of described train wheel bridge and lower plate all offers the installing hole coordinated for fastening bolt.
In addition, all snakelike groove of described upper arc-shaped slot of two, described arc lower groove and described upper arc-shaped slot position one_to_one corresponding.
In addition, described train wheel bridge radially offers at least two installing holes coordinated for fastening bolt, and described lower plate is provided with the through hole corresponding with described position of mounting hole.
In addition, described frictional layer is provided with the round platform projection of beryllium-bronze material.
Compared with prior art, the utility model is by being set to upper arc-shaped curved surface by the side of train wheel bridge, and the side of lower plate is set to arc lower curved surface; So snakelike groove is set on upper arc-shaped curved surface, and lower snakelike groove is set on arc lower curved surface; Electric wire is when conflicting at upper snakelike groove and lower snakelike curved surface groove, electric wire is multidirectional conflict at the inwall of upper snakelike groove and lower snakelike groove, therefore, when drawing electric wire, electric wire multidirectional and upper snakelike groove and lower snakelike groove can produce stiction, makes electric wire be difficult to drawing.
Accompanying drawing explanation
Fig. 1 is the structure chart of the fastening parallel groove clamp embodiment of the utility model;
Fig. 2 is the structure chart of the lower plate of the fastening parallel groove clamp embodiment of the utility model;
Fig. 3 is the structure chart of the train wheel bridge of the fastening parallel groove clamp embodiment of the utility model;
Fig. 4 is the part drawing of fastening another embodiment of parallel groove clamp of the utility model;
Fig. 5 is the part-structure schematic diagram of the utility model fastening parallel groove clamp Section 3 embodiment;
Fig. 6 is the end view of Fig. 5.
Accompanying drawing marks: 1, train wheel bridge; 11, upper arc-shaped curved surface; 12, upper arc-shaped slot; 13, upper installing hole; 14, upper snakelike groove; 2, lower plate; 21, arc lower curved surface; 22, arc lower groove; 23, lower installing hole; 24, lower snakelike groove; 3, fastening bolt.
Embodiment
Referring to figs. 1 through Fig. 6, the fastening parallel groove clamp embodiment of the utility model is described further.
As shown in Figure 1 to Figure 3, a kind of fastening parallel groove clamp comprises train wheel bridge 1 and lower plate 2; Wherein, be the upper arc-shaped curved surface 11 of outwardly convex towards the side of lower plate 2 at train wheel bridge 1, on upper arc-shaped curved surface 11, offer arc-shaped slot 12 simultaneously; And be the arc lower curved surface 21 caved inward at lower plate 2 towards the side of train wheel bridge 1, wherein, upper arc-shaped curved surface 11 and arc lower curved surface 21 can be mutually closely connected.Arc lower curved surface 21 offers arc lower groove 22, when needs clamping electric wire, can bend the shape that electric wire goes to upper and lower arc-shaped slot 22, and is entrenched in arc-shaped slot 12, train wheel bridge 1 and lower plate 2 clamped.In addition electric wire is clamped between arc-shaped slot 12 and arc lower groove 22, meanwhile, in upper arc-shaped slot 12 and arc lower groove 22, is all attached with coarse metal covering.So, during by the present embodiment one end drawing electric wire, although electric wire can be subject to the power in a direction, so on it, contacting of arc-shaped slot 12 and arc lower groove 22 and electric wire can resolve into the vertical conflict of the power of multiple directions in the cell wall of upper arc-shaped slot 12 and arc lower groove 22, first than prior art, the electric wire of this enforcement clamping is more difficult to drawing, gets loose.
In addition, consider that the horizontal area of the train wheel bridge 1 shared by the upper arc-shaped slot 12 that this enforcement adopts is inevitable larger; Therefore, design two upper arc-shaped slots 12 symmetrical about the radial centre lines of train wheel bridge 1, and its arc trend is all towards radial centre lines, the middle part of so inevitable four sides at train wheel bridge 1 provides in order to the installing space installed, can install for fastening bolt 3.The upper installing hole 13 of such design train wheel bridge 1 and the lower installing hole 23 of lower plate 2 are aligned in the four side of upper and lower clamping plate 2, make the more even of the present embodiment overall clamping.
As shown in Figure 4, the difference of another embodiment of the present embodiment is, a side of lower plate 2 is the arc lower curved surface 21 of evagination, and train wheel bridge 1 is the upper arc-shaped curved surface 11 of indent.
Another embodiment of the present utility model, please refer to Fig. 5 and Fig. 6.
The difference of the present embodiment is that the side of train wheel bridge 1 is upper snakelike cambered surface, and upper snakelike cambered surface offers snakelike groove 14; In like manner, lower snakelike cambered surface offer with on the corresponding lower snakelike groove 24 of snakelike groove 14, such design can increase electric wire and upper snakelike groove 14 and lower snakelike bending degree further, make the electric wire bending degree of clamping larger, so that make the present embodiment can be clamped between train wheel bridge 1 and lower plate 2, simultaneously, further increase the electric wire of the present embodiment and the direction of upper snakelike groove 14 with the vertical conflict of lower snakelike groove 24, be conducive to when drawing electric wire, the friction increasing electric wire and upper snakelike groove 14 and lower snakelike groove 24 is stressed.
Consider that upper snakelike groove 14 and the lower snakelike groove 24 of the present embodiment occupy larger horizontal area.The upper and lower clamping plate 2 of the present embodiment radially center line offer the installing hole installed for fastening bolt 3.
In addition, all there is in the upper snakelike groove 14 of the present embodiment and lower snakelike groove 24 the round platform projection of beryllium-bronze material.So when electric wire clamps, round platform projection can produce certain metallic elastic deformation, and clamping electric wire is between upper and lower clamping plate 2.And when drawing electric wire, the phase mutual friction on multi-direction of electric wire and round platform projection, makes it be difficult to drawing.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. a fastening parallel groove clamp, includes train wheel bridge, lower plate and fastening bolt, it is characterized in that: a side of described train wheel bridge is upper arc-shaped curved surface, and described train wheel bridge offers the upper arc-shaped slot of at least two arcuately surface extending;
Described lower plate is provided with towards the side of train wheel bridge the indent arc-shaped curved surface matched with described upper arc-shaped curved surface, and described arc lower curved surface offers the arc lower groove corresponding with upper arc-shaped slot position;
The vertical cross-section of described upper arc-shaped slot and arc lower groove is arc;
The cell wall of described upper arc-shaped slot and arc lower groove is all with metal friction layer.
2. fastening parallel groove clamp according to claim 1, is characterized in that: described train wheel bridge includes two upper arc-shaped slots, and the arc of the upper arc-shaped slot described in two moves towards all towards the radial centre lines of described train wheel bridge, and symmetrical about radial centre lines.
3. fastening parallel groove clamp according to claim 2, is characterized in that: the side of described train wheel bridge and lower plate all offers the installing hole coordinated for fastening bolt.
4. fastening parallel groove clamp according to claim 1, is characterized in that: all snakelike groove of described upper arc-shaped slot of two, described arc lower groove and described upper arc-shaped slot position one_to_one corresponding.
5. fastening parallel groove clamp according to claim 4, is characterized in that: described train wheel bridge radially offers at least two installing holes coordinated for fastening bolt, and described lower plate is provided with the through hole corresponding with described position of mounting hole.
6. fastening parallel groove clamp according to claim 1 or 5, is characterized in that: described frictional layer is provided with the round platform projection of beryllium-bronze material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819911.2U CN204243217U (en) | 2014-12-22 | 2014-12-22 | Fastening parallel groove clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819911.2U CN204243217U (en) | 2014-12-22 | 2014-12-22 | Fastening parallel groove clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243217U true CN204243217U (en) | 2015-04-01 |
Family
ID=52772667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420819911.2U Expired - Fee Related CN204243217U (en) | 2014-12-22 | 2014-12-22 | Fastening parallel groove clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243217U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140661A (en) * | 2015-09-30 | 2015-12-09 | 国家电网公司 | Aluminum parallel groove unit |
| CN105305348A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Hinged type wire connector |
| CN105305127A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus single body and integrated wire switching apparatus composed thereof |
| CN105305349A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire connector |
| CN105305194A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus |
-
2014
- 2014-12-22 CN CN201420819911.2U patent/CN204243217U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140661A (en) * | 2015-09-30 | 2015-12-09 | 国家电网公司 | Aluminum parallel groove unit |
| CN105305348A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Hinged type wire connector |
| CN105305127A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus single body and integrated wire switching apparatus composed thereof |
| CN105305349A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire connector |
| CN105305194A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus |
| CN105305348B (en) * | 2015-10-29 | 2018-03-30 | 广州番禺电缆集团有限公司 | Hinge-type lead wire connector |
| CN105305127B (en) * | 2015-10-29 | 2018-06-08 | 广州番禺电缆集团有限公司 | A kind of electric wire switching device monomer and the integrated form electric wire switching device being made of it |
| CN105305194B (en) * | 2015-10-29 | 2018-08-24 | 广州番禺电缆集团有限公司 | A kind of electric wire switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20201222 |