CN104348127A - Cable flame-proof joint structure of light fixture - Google Patents
Cable flame-proof joint structure of light fixture Download PDFInfo
- Publication number
- CN104348127A CN104348127A CN201310334788.5A CN201310334788A CN104348127A CN 104348127 A CN104348127 A CN 104348127A CN 201310334788 A CN201310334788 A CN 201310334788A CN 104348127 A CN104348127 A CN 104348127A
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- China
- Prior art keywords
- clamp nut
- cam
- flame proof
- spring cylinder
- fluting
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Classifications
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- 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
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Clamps And Clips (AREA)
- Cable Accessories (AREA)
Abstract
Disclosed is a cable flame-proof joint structure of a light fixture. The structure includes a gland nut with a cylinder structure, wherein one end of the gland nut is provided with a first groove and the other end is provided with a flame-proof thread, the first groove extends from an opening end of the gland nut to the middle part of the gland nut and extends in the axial direction of the gland nut and a lug extends out from each of two opposite sides of the first groove; an elastic cylinder which is provided with a second groove and installed in one end of the gland nut, which the first groove is at; a thread connection part which passes through the two lugs, wherein one end of the thread connection part is provided with a block part and the other end is provided with a thread part; a cam bench, one end of which is provided with a cam, wherein the cam abuts against one of the lugs and the middle of the cam is provided with an installation groove; and a hinge pin, the middle of which is provided with a shaft hole. The hinge pin passes through an eccentric part of the cam and is capable of rotating around the cam. The shaft hole is arranged in correspondence to the installation groove of the cam bench. The thread connection part passes through the shaft hole and is fixedly connected with the hinge pin. The cable flame-proof joint structure is comparatively convenient and rapid in installation of a cable.
Description
[technical field]
The present invention relates to a kind of cable joint structure, particularly relate to a kind of cable flame proof joint design of light fixture.
[background technology]
According to national standard requirement, explosion-proof class light fixture lead-in cable not only will have explosive-proof sealed requirement, also will prevent cable pull-off.A lot of explosion-proof lamp, is all employing compressing tablet, joins two screws, then use the structure that Phillips screwdriver is urgent, the light fixture of this structure at present, if assemble wiring in batch, brings larger workload can to in-site installation personnel, time-consuming, effort.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide the cable flame proof joint design of a kind of installing cables comparatively conveniently light fixture.
A cable flame proof joint design for light fixture, it comprises:
For the clamp nut of tube structure, one end of described clamp nut is provided with the first fluting, the other end is provided with flame proof thread, described first fluting extends to the middle part of described clamp nut from the openend of described clamp nut, and extend along the axis of described clamp nut, the relative both sides of described first fluting extend a lug respectively, when compression two described lugs, can make the one end at the described first fluting place of described clamp nut that elastic deformation occurs;
Offer the spring cylinder of the second fluting, described spring cylinder is installed in the one end at described first fluting place of described clamp nut, and described second fluting extends to the other end from one end of described spring cylinder;
Through the threaded connector of two described lugs, one end of described threaded connector is provided with stop part, and the other end is provided with threaded portion;
One end is provided with the cam spanner of cam, and described cam abuts with lug described in one of them, and the middle part of described cam is provided with mounting groove; And
Middle part is provided with the bearing pin of axis hole, described bearing pin is through the eccentric position of described cam, and described cam is rotatable around described bearing pin, and the mounting groove of the corresponding described cam spanner of described axis hole is arranged, described threaded connector through described axis hole, and is fixedly connected with described bearing pin;
Wherein, when rotating described cam spanner, described cam abuts described lug and pulls described threaded connector, and described threaded connector clamps two described lugs, thus makes described clamp nut compression through the cable of described spring cylinder.
Compared to traditional cable flame proof joint design, above-mentioned cable flame proof joint design at least has the following advantages:
(1) be provided with the spring cylinder for coated cable in the clamp nut of above-mentioned cable flame proof joint design, clamp nut is provided with the first fluting, to form elastic construction away from one end of flame proof thread, this elastic construction can be made to shrink by rotating cam spanner, make clamp nut and spring cylinder tightly clamping cables, thus attached cable, when needs lead-in cable, only need by cable through spring cylinder, press cam spanner, just can compress cable, without the need to instrument, also without the need to stubborn screw thread, convenient and swift.
(2) spring cylinder of above-mentioned cable flame proof joint design is arranged on clamp nut, and cam spanner, bearing pin, threaded connector and clamp nut link together, with being integrally formed joint design, install with integral form during installation, without unnecessary accessory, reduce operation during wiring, improve installation effectiveness.
Wherein in an embodiment, the middle part of described clamp nut is provided with the groove of arc, and described groove extends along the circumference of described clamp nut, and slots and be communicated with in the middle part of described groove and described first.
Wherein in an embodiment, the middle part of described clamp nut is provided with orthohexagonal instrument boss, described instrument boss was around described clamp nut one week, and described instrument boss is between described groove and the flame proof thread of described clamp nut, by instrument boss described in spanner clamping, to rotate described clamp nut.
Wherein in an embodiment, the axis hole of described bearing pin is screw, and described threaded connector is soket head cap screw, and the end face of the cap head of described soket head cap screw is provided with orthohexagonal well, and described soket head cap screw, through after described two described lugs, is screwed with the axis hole of described bearing pin.
Wherein in an embodiment, described threaded connector is bolt, and the end of thread of described threaded connector is provided with pin-and-hole, and described threaded connector is equipped with a latch after passing the axis hole of described two described lugs and described bearing pin in described pin-and-hole.
Wherein in an embodiment, described spring cylinder is rubber tube, and the inwall of described spring cylinder is provided with bit-avoiding slot, and described bit-avoiding slot extends along the axis of described spring cylinder, and slots be oppositely arranged with described second.
Wherein in an embodiment, described second fluting is arranged along the axis of described spring cylinder, and described second fluting and described bit-avoiding slot be arranged in parallel, and described bit-avoiding slot and first of described clamp nut are slotted corresponding setting.
Wherein in an embodiment, annular slot is provided with in the middle part of the inwall of described clamp nut, described annular slot extends along the circumference of described clamp nut, one end of described spring cylinder is provided with retaining flange, described retaining flange is arranged around the openend of described spring cylinder, and described retaining flange can be fastened in described annular slot, to locate described spring cylinder.
Wherein in an embodiment, the brace arm of described cam spanner is arc, and the inner sunken face of described brace arm can abut with the outer wall of described clamp nut.
Wherein in an embodiment, the button number of described flame proof thread is greater than 5.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the cable flame proof joint design of embodiment of the present invention;
Fig. 2 is the exploded view of the cable flame proof joint design shown in Fig. 1;
Fig. 3 is the stereogram at another visual angle of the cable flame proof joint design shown in Fig. 1;
Fig. 4 is the axial cutaway view of the cable flame proof joint design shown in Fig. 1.
[embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, the cable flame proof joint design 100 of the light fixture of embodiment of the present invention, comprises clamp nut 110, spring cylinder 120, threaded connector 130, cam spanner 140 and bearing pin 150.
See also Fig. 2, clamp nut 110 is tube structure.One end of clamp nut 110 is provided with the first fluting 111, and the other end is provided with flame proof thread 112.First fluting 111 extends to the middle part of clamp nut 110 from the openend of clamp nut 110, and extends along the axis of clamp nut 110.The relative both sides of the first fluting 111 extend a lug 113 respectively, when compression two lugs 113, can make the one end at the first fluting 111 places of clamp nut 110 that elastic deformation occurs.
Concrete clamp nut 110 be columnar structured in the illustrated embodiment in which, and lug 113 is the rectangular cam extended from this first limit, two opposite sides of slotting 111, and two lugs 113 are parallel is oppositely arranged.
Further, the middle part of clamp nut 110 is provided with the groove 115 of arc, and groove 115 extends along the circumference of clamp nut 110, and slots and 111 to be communicated with in the middle part of groove 115 and first.Because groove 115 is arranged near the first fluting 111, make clamp nut 110 easily elastic deformation occur by these the first fluting 111 separated one end, be convenient to clamp cable through clamp nut 110 by two lugs 113.
Further, the middle part of clamp nut 110 is provided with orthohexagonal instrument boss 116, instrument boss 116 was around clamp nut 110 1 weeks, and instrument boss 116 is between groove 115 and the flame proof thread 112 of clamp nut 110, by spanner clamping instrument boss 116, to rotatably compress nut 110.When needing clamp nut 110 to be arranged in the screw of the lamp housing of light fixture, adopting spanner clamping instrument boss 116, can comparatively easily clamp nut 110 be screwed in the screw of lamp housing.
Further, the number of buckleing of the flame proof thread 112 of clamp nut 110 is greater than 5, to play good flame proof effect.
Spring cylinder 120 offers the second fluting 121.Spring cylinder 120 is installed in the one end at the first fluting 111 places of clamp nut 110, and the second fluting 121 extends to the other end from one end of spring cylinder 120.Concrete spring cylinder 120 is rubber tube, and the inwall of spring cylinder 120 is provided with bit-avoiding slot 123, and bit-avoiding slot 123 extends along the axis of spring cylinder 120 in the illustrated embodiment in which, and slots 121 to be oppositely arranged with second.Inwall due to spring cylinder 120 is provided with bit-avoiding slot 123, is convenient to spring cylinder 120 and deformation occurs, that is, the second fluting 121 of spring cylinder 120 is more prone to closed.
Further, the second fluting 121 is arranged along the axis of spring cylinder 120, and the second fluting 121 and bit-avoiding slot 123 be arranged in parallel, and bit-avoiding slot 123 and first of clamp nut 110 are slotted and 111 correspondingly to be arranged.Because the second fluting 121 of spring cylinder 120 be arranged in parallel with bit-avoiding slot 123; bit-avoiding slot 123 and first of clamp nut 110 are slotted and 111 correspondingly to be arranged; clamp nut 110 is made more easily to clamp spring cylinder 120; and the position that cable is positioned at the first fluting 111 of clamp nut 110 by spring cylinder 120 wraps, to protect cable.
Further, annular slot 117(is provided with as shown in Figure 4) in the middle part of the inwall of clamp nut 110, annular slot 117 extends along the circumference of clamp nut 110, one end of spring cylinder 120 is provided with retaining flange 125, retaining flange 125 is arranged around the openend of spring cylinder 120, and retaining flange 125 can be fastened in annular slot 117, with positioning elastic cylinder 120.
Threaded connector 130 is through two lugs 113 of clamp nut 110.One end of threaded connector 130 is provided with stop part (figure does not mark), and the other end is provided with threaded portion (figure does not mark).One end of cam spanner 140 is provided with cam 141, and cam 141 abuts with one of them lug 113, and the middle part of cam 141 is provided with mounting groove 142.The middle part of bearing pin 150 is provided with axis hole 151, and bearing pin 150 is through the eccentric position of cam 141, and cam 141 is rotatable around bearing pin 150, and the mounting groove 142 of the corresponding described cam spanner 140 of axis hole 151 is arranged.Threaded connector 130 through axis hole 151, and is fixedly connected with bearing pin 150.
Wherein, when rotating cam spanner 140, cam 141 abuts lug 113 and pulls threaded connector 130, and threaded connector 130 clamps two lugs 113, thus makes clamp nut 110 compress cable through spring cylinder 120.
Specifically in the illustrated embodiment in which, the axis hole 151 of bearing pin 150 is screw, and threaded connector 130 is soket head cap screw, and the end face of the cap head of soket head cap screw is provided with orthohexagonal well, and soket head cap screw, through after two lugs 113, is screwed with the axis hole 151 of bearing pin 150.
In other embodiments, threaded connector 130 is bolt, and the end of thread of threaded connector 130 is provided with pin-and-hole, after threaded connector 130 passes the axis hole 151 of two lugs 113 and bearing pin 150, a latch is equipped with, to stop that threaded connector 130 comes off in pin-and-hole.
Further, the brace arm 143 of cam spanner 140 is arc, and the inner sunken face of brace arm 143 can abut with the outer wall of clamp nut 110.
Further, the mounting groove 142 of cam spanner 140 is the step groove extended from the middle part of cam 141 towards brace arm 143, and bearing pin 150 is positioned on the step surface of mounting groove 142.
Below in conjunction with specific embodiment, above-mentioned cable flame proof joint design 100 is described:
See also Fig. 3 and Fig. 4, clamp nut 110 is cylindrical structure, facilitates cable to pass, and the outside of one end is flame proof thread 112, and screw thread meets GB3836.2-2010 flame proof standard-required, and button number is greater than 5 buttons.Be orthohexagonal instrument boss 116 in the middle of the outside of clamp nut 110, convenient wrench is stuck in tightens clamp nut 110 herein.Clamp nut 110 other end is elastic construction (i.e. the part at the first fluting 111 places), a semicircular groove 115 is had between elastic construction and hexahedron, make the more flexible contraction of elastic structure, inwall near this groove 115 has an annular slot 117, in order to assemble spring cylinder 120, prevent spring cylinder 120 from getting loose.Elastic structure is an open loop structure, and the relative both sides of the first fluting 111 are provided with two lugs 113 with holes, compress two lugs 113 and the elastic construction of clamp nut 110 can be made to shrink.An axis hole 151(screwed hole is provided with) in the middle of bearing pin 150.Cam spanner 140 one end is cam 141, eccentric position has a through hole, and assembling bearing pin 150 use, fluting in the middle of cam 141, facilitate threaded connector 130 to pass, cam 141 other end is brace arm 143.Spring cylinder 120 is the circular ring structure of an end band retaining flange 125, perpendicular to anchor ring having the second fluting 121, annulus is not closed, more convenient compression.
During assembling, bearing pin 150 is assembled in the eccentric through-hole of cam 141, with two lugs 113 of threaded connector 130 through the elastic construction of clamp nut 110, be screwed in the screwed hole of bearing pin 150, spring cylinder 120 is installed in the annular slot 117 on the inwall of clamp nut 110, thus form the flame proof adapter assembly of band pressure texture.
When lead-in cable wanted by light fixture, by the spring cylinder 120 of cable through cable flame proof joint design 100, in access lamp body, the clamp nut 110 of flame proof joint design is linked on the screw interface of lamp body, after connecting, firmly pressure cam spanner 140, just can realize compressing cable, prevent cable from getting loose, convenient and swift.
Compared to traditional cable flame proof joint design, above-mentioned cable flame proof joint design 100 at least has the following advantages:
(1) spring cylinder 120 for coated cable is provided with in the clamp nut 110 of above-mentioned cable flame proof joint design 100, clamp nut 110 is provided with the first fluting 111 away from one end of flame proof thread 112, to form elastic construction, this elastic construction can be made to shrink by rotating cam spanner 140, make clamp nut 110 and spring cylinder 120 tightly clamping cables, thus attached cable, when needs lead-in cable, only need by cable through spring cylinder 120, press cam spanner 140, just can compress cable, without the need to other instrument, also without the need to stubborn screw thread, convenient and swift.
(2) spring cylinder 120 of above-mentioned cable flame proof joint design 100 is arranged on clamp nut 110, cam spanner 140, bearing pin 150, threaded connector 130 link together with clamp nut 110, with being integrally formed joint design, install with integral form during installation, without unnecessary accessory, reduce operation during wiring, improve installation effectiveness.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a cable flame proof joint design for light fixture, is characterized in that, comprising:
For the clamp nut of tube structure, one end of described clamp nut is provided with the first fluting, the other end is provided with flame proof thread, described first fluting extends to the middle part of described clamp nut from the openend of described clamp nut, and extend along the axis of described clamp nut, the relative both sides of described first fluting extend a lug respectively, when compression two described lugs, can make the one end at the described first fluting place of described clamp nut that elastic deformation occurs;
Offer the spring cylinder of the second fluting, described spring cylinder is installed in the one end at described first fluting place of described clamp nut, and described second fluting extends to the other end from one end of described spring cylinder;
Through the threaded connector of two described lugs, one end of described threaded connector is provided with stop part, and the other end is provided with threaded portion;
One end is provided with the cam spanner of cam, and described cam abuts with lug described in one of them, and the middle part of described cam is provided with mounting groove; And
Middle part is provided with the bearing pin of axis hole, described bearing pin is through the eccentric position of described cam, and described cam is rotatable around described bearing pin, and the mounting groove of the corresponding described cam spanner of described axis hole is arranged, described threaded connector through described axis hole, and is fixedly connected with described bearing pin;
Wherein, when rotating described cam spanner, described cam abuts described lug and pulls described threaded connector, and described threaded connector clamps two described lugs, thus makes described clamp nut compression through the cable of described spring cylinder.
2. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterized in that, the middle part of described clamp nut is provided with the groove of arc, and described groove extends along the circumference of described clamp nut, and slots and be communicated with in the middle part of described groove and described first.
3. the cable flame proof joint design of light fixture as claimed in claim 2, it is characterized in that, the middle part of described clamp nut is provided with orthohexagonal instrument boss, described instrument boss was around described clamp nut one week, and described instrument boss is between described groove and the flame proof thread of described clamp nut, by instrument boss described in spanner clamping, to rotate described clamp nut.
4. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterized in that, the axis hole of described bearing pin is screw, described threaded connector is soket head cap screw, the end face of the cap head of described soket head cap screw is provided with orthohexagonal well, and described soket head cap screw, through after described two described lugs, is screwed with the axis hole of described bearing pin.
5. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterized in that, described threaded connector is bolt, and the end of thread of described threaded connector is provided with pin-and-hole, described threaded connector is equipped with a latch after passing the axis hole of described two described lugs and described bearing pin in described pin-and-hole.
6. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterized in that, described spring cylinder is rubber tube, and the inwall of described spring cylinder is provided with bit-avoiding slot, described bit-avoiding slot extends along the axis of described spring cylinder, and slots be oppositely arranged with described second.
7. the cable flame proof joint design of light fixture as claimed in claim 6, it is characterized in that, described second fluting is arranged along the axis of described spring cylinder, and described second fluting and described bit-avoiding slot be arranged in parallel, and described bit-avoiding slot and first of described clamp nut are slotted corresponding setting.
8. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterized in that, annular slot is provided with in the middle part of the inwall of described clamp nut, described annular slot extends along the circumference of described clamp nut, one end of described spring cylinder is provided with retaining flange, described retaining flange is arranged around the openend of described spring cylinder, and described retaining flange can be fastened in described annular slot, to locate described spring cylinder.
9. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterized in that, the brace arm of described cam spanner is arc, and the inner sunken face of described brace arm can abut with the outer wall of described clamp nut.
10. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterized in that, the button number of described flame proof thread is greater than 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334788.5A CN104348127B (en) | 2013-08-02 | 2013-08-02 | The cable flame proof joint design of light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334788.5A CN104348127B (en) | 2013-08-02 | 2013-08-02 | The cable flame proof joint design of light fixture |
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| Publication Number | Publication Date |
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| CN104348127A true CN104348127A (en) | 2015-02-11 |
| CN104348127B CN104348127B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310334788.5A Active CN104348127B (en) | 2013-08-02 | 2013-08-02 | The cable flame proof joint design of light fixture |
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| CN (1) | CN104348127B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929028A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Discharge structure of micro bead spreader |
| CN104929030A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Pavement strip microsphere distribution vehicle |
| CN104929031A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Sealing structure of discharging opening of microsphere distributor |
| CN104929032A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Regulating device of discharge opening of microsphere dispenser |
| CN105571735A (en) * | 2016-01-21 | 2016-05-11 | 中广核研究院有限公司 | Thermocouple sealing device |
| CN107658822A (en) * | 2017-11-02 | 2018-02-02 | 国网湖北省电力公司宜昌供电公司 | A kind of light-duty suspension clamp for electric line |
| CN109994981A (en) * | 2019-04-24 | 2019-07-09 | 广州供电局有限公司 | Antisliding apparatus |
| CN113937663A (en) * | 2021-11-29 | 2022-01-14 | 广东电网有限责任公司 | Universal clamp for replacing insulator |
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| US7115822B1 (en) * | 2006-02-21 | 2006-10-03 | Joy Mm Delaware, Inc. | Indirect entry cable gland assembly |
| CN202810315U (en) * | 2009-06-03 | 2013-03-20 | 格拉茨股份公司 | Device for connecting base pipe to pole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929028A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Discharge structure of micro bead spreader |
| CN104929030A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Pavement strip microsphere distribution vehicle |
| CN104929031A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Sealing structure of discharging opening of microsphere distributor |
| CN104929032A (en) * | 2015-05-20 | 2015-09-23 | 浙江兄弟路标涂料有限公司 | Regulating device of discharge opening of microsphere dispenser |
| CN105571735A (en) * | 2016-01-21 | 2016-05-11 | 中广核研究院有限公司 | Thermocouple sealing device |
| CN105571735B (en) * | 2016-01-21 | 2018-05-29 | 中广核研究院有限公司 | Couple sealing |
| CN107658822A (en) * | 2017-11-02 | 2018-02-02 | 国网湖北省电力公司宜昌供电公司 | A kind of light-duty suspension clamp for electric line |
| CN109994981A (en) * | 2019-04-24 | 2019-07-09 | 广州供电局有限公司 | Antisliding apparatus |
| CN109994981B (en) * | 2019-04-24 | 2024-02-02 | 广东电网有限责任公司广州供电局 | Anti-slip device |
| CN113937663A (en) * | 2021-11-29 | 2022-01-14 | 广东电网有限责任公司 | Universal clamp for replacing insulator |
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| Publication number | Publication date |
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| CN104348127B (en) | 2017-10-24 |
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