CN104202686A - Outdoor AP (access point) anti-rotating arrangement device - Google Patents
Outdoor AP (access point) anti-rotating arrangement device Download PDFInfo
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- CN104202686A CN104202686A CN201410473674.3A CN201410473674A CN104202686A CN 104202686 A CN104202686 A CN 104202686A CN 201410473674 A CN201410473674 A CN 201410473674A CN 104202686 A CN104202686 A CN 104202686A
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Abstract
The invention discloses an outdoor AP (access point) anti-rotating arrangement device which comprises a connecting plate, side plates, clamping plates, adjusting bolts and a positioning screw. The clamping plates includes a left clamping plate and a right clamping plate, the side plates are connected to the left end and the right end of the connecting plate, a sliding groove is arranged in the lower end surface of the connecting plate, raised strips are arranged on the clamping plates and arranged in the sliding groove, a first threaded hole is arranged in the other end of each clamping plate, the positioning screw penetrates the first threaded holes, each side plate is provided with a second threaded hole, third threaded holes corresponding to the second threaded holes are arranged in the clamping plates, the adjusting bolts penetrate the second threaded holes to be arranged in the third threaded holes and used for fixing the positions of the clamping plates on the connecting plate, a plurality of strip-type protrusions or strip-type grooves are evenly arranged in the working end surface of each clamping plate, and the strip-type protrusions or strip-type grooves on the left clamping plate are not arranged in the same direction with the strip-type protrusions or strip-type grooves on the right clamping plate. The outdoor AP anti-rotating arrangement device has the advantages of good positioning performance, convenience in mounting, high safe operating performance and long service life.
Description
Technical field
the present invention relates to communication equipment installing area, particularly relate to outdoor AP anti-rotation placement devices.
Background technology
AP is the wireless exchange board in wireless network, and it is the access point that mobile phone users enters cable network, is mainly used in family broadband, Intranet deployment etc.Wireless aps, with access point client mode, can be carried out wireless link between AP, thereby expands the coverage of wireless network.In recent years, Ge great operator is experienced for promoting user, grabs more users resource, has strengthened the deployment to outdoor indoor AP.
With traditional RRU(Remote Radio Unite, far end radio frequency), antenna for base station, tower put etc. that equipment is different, the weight and volume of AP is relatively little, the place of deployment generally in community, residential quarter, business district etc. are crowded and have a place of building.The impact of signal being propagated for reducing the environmental changes such as the intensive stream of people, outdoor AP conventionally adopts pole to install and lays aloft.
At present, the pole of outdoor AP is installed to the combinations that adopt AP mounting blocks and anchor ear more, though it can realize the pole location to outdoor AP, but have following shortcoming: 1) positioning performance is poor.This class formation skid resistance is poor, easily on pole, occurs gliding or rotation phenomenon.2) operability is poor.The group parts of this type of mounting structure are many and scattered and trouble is installed, and when outdoor AP is carried out to location, high-altitude, not only increased installation difficulty, also increased the danger of installment work.3) useful life short, the feature of environmental protection is poor.The intensity of anchor ear is low, poor rigidity, is exposed to corrosion-vulnerable in air, easily aging, affects positioning performance; If the mounting structure of having disposed is carried out to position adjustment, need to change anchor ear, not only increase installation cost and cause the wasting of resources.4) versatility is poor, can only be applicable to the erection column of single type.The installation caliber size of this type of AP mounting blocks is fixed, can not be adjusted to adapt to the erection column of different sizes during installation.Thereby, for dissimilar erection column, need adopt the mounting structure of different model, thereby increase the management cost that outdoor AP pole is installed.
Summary of the invention
The object of this invention is to provide outdoor AP anti-rotation placement devices, overcome the deficiency of above-mentioned existing mounting structure, have advantages of that positioning performance is good, easy for installation, safety operation performance is strong, long service life, versatility are good.
Object of the present invention is achieved through the following technical solutions: outdoor AP anti-rotation placement devices, comprise connecting plate, side plate, clamping plate, adjusting bolt and positioning screw, described side plate comprises left plate and right plate, described clamping plate comprise left clamping plate and right clamping plate, described adjusting bolt comprises left adjusting bolt and right adjusting bolt, described left plate and right plate are connected to the two ends, left and right of connecting plate, on connecting plate lower surface, be provided with the large chute of the little inner chamber of opening, on described left clamping plate and right clamping plate, be provided with the raised line that opening and inner chamber with chute adapt, described raised line is inserted in chute, described left clamping plate and right clamping plate are provided with the first screwed hole with respect to the other end that is provided with raised line end, described positioning screw is through the first screwed hole of left clamping plate and right clamping plate, by being arranged on first nut at positioning screw two ends, left clamping plate and right clamping plate are played the role of positioning, on left plate and right plate, be provided with the second screwed hole, left clamping plate with on right clamping plate, be respectively arranged with three screwed hole corresponding with the second screwed hole, described left adjusting bolt is located in the 3rd screwed hole on left clamping plate through the second screwed hole on left plate, position for fixing left clamping plate on connecting plate, described right adjusting bolt is located in the 3rd screwed hole on right clamping plate through the second screwed hole on right plate, position for fixing right clamping plate on connecting plate, left adjusting bolt and right adjusting bolt are equipped with respectively the second nut at the place, aperture of the second screwed hole and the 3rd screwed hole, in the operative end surface of described left clamping plate and right clamping plate, be provided with a plurality of strip bulges or strip groove, strip bulge on strip bulge on left clamping plate or strip groove and right clamping plate or strip groove be not for arranging in the same way.In the present invention, the operative end surface of clamping plate refers to the end face that directly acts on erection column, particularly refers to the right side of left clamping plate, the left side of right clamping plate.
In the present invention, by the setting of strip bulge or strip groove, strengthen the operative end surface of left clamping plate and right clamping plate and the frictional force between erection column, improve the skid resistance of clamping plate; Strip bulge on left clamping plate and right clamping plate or strip groove, for not arranging in the same way, can strengthen this invention along the frictional force of erection column different directions, prevent that it is moved along different directions.By the setting of chute and raised line, make the clamping plate can be in the enterprising line slip of connecting plate, the slip by left and right clamping plate can regulate to be applicable to dissimilar erection column to the size of bore is installed, thereby improves the versatility of this mounting structure.Meanwhile, chute adopts the large structure of the little inner chamber of opening, can improve the stability of relative motion between raised line and chute, thereby avoids clamping plate when sliding, to depart from connecting plate.Adjusting bolt is located in the 3rd screwed hole through the second screwed hole, can the position of strap on connecting plate, keep the chucking power of clamping plate to erection column, while avoiding installing, mounting structure drops, thereby has improved safety operation performance.Positioning screw can further be added to the chucking power of big clamp plate to erection column through the first screwed hole on the clamping plate of left and right, can realize better the pole positioning function of this invention.
Further, the strip bulge on described left clamping plate and right clamping plate or the equal horizontally set of strip groove or longitudinally setting.So, compared with plane, the present invention can add between the operative end surface of big clamp plate and erection column longitudinally or horizontal frictional force, thereby avoids this mounting structure on erection column, to occur glide or rotatablely move.
For reaching good fixation and making economy, convenient, further, the strip bulge on described left clamping plate and right clamping plate or the cross section of strip groove are semicircle or trapezoidal.
For avoiding clamping plate to depart from connecting plate when sliding, improve the stability of relative motion between clamping plate and connecting plate, further, on described left clamping plate and right clamping plate, be provided with at least two raised lines, described connecting plate is provided with the chute adapting with raised line on lower surface.
For realizing better the fixation of adjusting bolt to clamping plate position on connecting plate, further, on described left clamping plate and right clamping plate, be provided with at least two the 3rd screwed holes, on described left plate, be provided with left clamping plate on the second screwed hole of adapting of the 3rd screwed hole, on described right plate, be provided with right clamping plate on the second screwed hole of adapting of the 3rd screwed hole.
Further, be provided with at least two the first screwed holes on described left clamping plate and right clamping plate, the first screwed hole on left clamping plate and right clamping plate corresponds to each other.So, thus the present invention can choose the position of adjusting positioning screw in suitable the first screwed hole position reaches better pole positioning action to be applicable to the erection column of different sizes and type.
Compare with existing mounting structure, the present invention has following beneficial effect:
(1) in the present invention, pass through the setting of strip bulge or strip groove, can increase the frictional force between clamping plate operative end surface and erection column, avoid the present invention on erection column, glide or rotatablely move, thereby positioning performance is good.
(2) the present invention is simple in structure, parts unified integration, and by the setting of adjusting bolt, can the position of strap on connecting plate, keep the chucking power of clamping plate to erection column, there is better fixed performance, not only easy for installation and safety operation performance is strong.
(3) the present invention passes left and right clamping plate by positioning screw and realizes pole positioning function, and compared with anchor ear, positioning screw has that intensity is high, rigidity is strong, corrosion-resistant, aging-resistant feature, thereby long service life of the present invention; And the mounting structure of having disposed is carried out to position adjustment and without changing parts, can realize, thereby can save installation cost.
(4) in the present invention, pass through the setting of chute and raised line, make the clamping plate can be in the enterprising line slip of connecting plate, thereby the slip by left and right clamping plate can regulate and be applicable to dissimilar erection column the size of installation bore, thereby has improved the versatility of this mounting structure.
(5) the present invention, when pole is installed location, processes and can realize high-altitude fixation without erection column is punched.Thereby reduced the unnecessary damage of erection column, improved the reuse factor of erection column.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of outdoor AP anti-rotation placement devices of the present invention.
In accompanying drawing, the corresponding name of Reference numeral is called: 1, connecting plate, 2, side plate, 3, clamping plate, 31, left clamping plate, 32, right clamping plate, 4, adjusting bolt, 5, positioning screw, 6, chute, 7, raised line, the 8, first screwed hole, 9, the second screwed hole, 10, the 3rd screwed hole, the 11, first nut, the 12, second nut.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
As shown in Figure 1, outdoor AP anti-rotation placement devices, comprise connecting plate 1, side plate 2, clamping plate 3, adjusting bolt 4 and positioning screw 5, described side plate 2 comprises left plate and right plate, described clamping plate 3 comprise left clamping plate 31 and right clamping plate 32, described adjusting bolt 4 comprises left adjusting bolt and right adjusting bolt, described left plate and right plate are connected to the two ends, left and right of connecting plate 1, on connecting plate 1 lower surface, be provided with the chute 6 that the little inner chamber of opening is large, on described left clamping plate 31 and right clamping plate 32, be provided with the raised line 7 that opening and inner chamber with chute 6 adapt, described raised line 7 is inserted in chute 6, both are provided with the first screwed hole 8 with respect to the other end that is provided with raised line 7 ends described left clamping plate 31 and right clamping plate 32, described positioning screw 5 is through both the first screwed holes 8 of left clamping plate 31 and right clamping plate 32, by being arranged on 11 pairs of left clamping plate 31 of the first nut and the right clamping plate 32 at positioning screw 5 two ends, play the role of positioning, on left plate and right plate, be provided with the second screwed hole 9, on left clamping plate 31 and right clamping plate 32, be respectively arranged with three screwed hole 10 corresponding with the second screwed hole 9, described left adjusting bolt is located in the 3rd screwed hole 10 on left clamping plate 31 through the second screwed hole 9 on left plate, position for fixing left clamping plate 31 on connecting plate 1, described right adjusting bolt is located in the 3rd screwed hole 10 on right clamping plate 32 through the second screwed hole 9 on right plate, position for fixing right clamping plate 32 on connecting plate 1, left adjusting bolt and right adjusting bolt are equipped with respectively the second nut 12 at the place, aperture of the second screwed hole 9 and the 3rd screwed hole 10, in the operative end surface of described left clamping plate 31 and right clamping plate 32, be provided with a plurality of strip bulges or strip groove, strip bulge on strip bulge on left clamping plate 31 or strip groove and right clamping plate 32 or strip groove be not for arranging in the same way.
In the present embodiment, outdoor AP is connected in the upper surface of connecting plate 1.Chute 6 is that the strip gab by the connection cavity arranging on the cavity of horizontally set in connecting plate 1 lower surface and connecting plate 1 lower surface forms.The first screwed hole 8 arranging on left clamping plate 31 runs through left side and the right side of left clamping plate 31, and the first screwed hole 8 arranging on right clamping plate 32 runs through left side and the right side of right clamping plate 32.The second screwed hole 9 arranging on left plate runs through left side and the right side of left plate, and the second screwed hole 9 arranging on right plate runs through left side and the right side of right plate.For avoiding the impact of adjusting bolt 4 on clamping plate 3 operative end surface, the 3rd screwed hole 10 one end that arrange on left clamping plate 31 are opened on the left side of left clamping plate 31, the other end is located in left clamping plate 31 and is not passed the right side of left clamping plate 31, the 3rd screwed hole 10 one end that arrange on right clamping plate 31 are opened on the right side of right clamping plate 31, and the other end is located in right clamping plate 31 and is not passed the left side of right clamping plate 31.For increasing the contact area between clamping plate 3 operative end surface and erection column and improving non-skid property, the operative end surface of clamping plate 3 can be adopted to anti-skidding thermoplastic and be made as cancave cambered surface.When clamping plate 2 clamping erection column, the setting by strip bulge can make strip bulge compressive deformation with erection column close contact with the frictional force between increase clamping plate 2 and erection column, thereby reach good positioning performance; Setting by strip groove can make the operative end surface compressive deformation of clamping plate 2 and the air in erection column close contact and then discharge strip groove that the air pressure in groove is reduced, thereby the frictional force that now external atmosphere pressure can add between big clamp plate 2 operative end surface and erection column reaches good positioning performance.Strip bulge in clamping plate 3 operative end surface or the number of strip groove and size all can be determined according to the size of clamping plate 3 operative end surface.For ease of carrying, left plate can or be fastened by screw and be connected with right plate and being connected of connecting plate 1, for convenience detach.
During the present embodiment application, the distance that can first slide between left clamping plate 31 and right clamping plate 32 to two clamping plate is a bit larger tham the position of erection column size, mobile this structure to required bearing is enclosed within on erection column again, rear left adjusting bolt and the right adjusting bolt of regulating respectively makes left clamping plate 31 and right clamping plate 32 clamp erection column, more further fixes this position with the second nut 12.Now, fixing due to 4 pairs of clamping plate 3 positions of adjusting bolt, adds the anti-skidding effect of strip bulge or strip groove, thereby after loosing one's grip, this mounting structure still can be fixed on erection column and downglide motion do not occur.At this moment, whether the position of observable mounting structure is suitable, if need, adjusts, and can again regulate adjusting bolt 4, the position by the frictional force between minimizing clamping plate 3 and erection column with mobile mounting structure.After to be adjusted getting well, positioning screw 5 is passed to left clamping plate 31 and right clamping plate 32, and be fixed with the position of right clamping plate 32 on positioning screw 5 with 11 pairs of left clamping plate 31 of the first nut, thereby this mounting structure is locked on erection column, complete the installment work of this mounting structure.
Embodiment 2
The present embodiment has been made following further restriction on the basis of embodiment 1: the strip bulge on described left clamping plate 31 and right clamping plate 32 or the equal horizontally set of strip groove or longitudinally setting.In the present embodiment, if the strip bulge on left clamping plate 31 or strip groove in the operative end surface of left clamping plate 31 along cross direction profiles, the strip bulge on right clamping plate 32 or strip groove longitudinally distribute in the operative end surface of right clamping plate 32.
Embodiment 3
The present embodiment has been made following further restriction on the basis of embodiment 1: the strip bulge on described left clamping plate 31 and right clamping plate 32 or the cross section of strip groove are for semicircle or trapezoidal.In the present embodiment, for reaching good anti-skidding effect, strip bulge can adopt thermoplastic.The length scale of strip bulge or strip groove can be determined according to the size of clamping plate 3 operative end surface.
Embodiment 4
The present embodiment has been made following further restriction on the basis of embodiment 1: on described left clamping plate 31 and right clamping plate 32, be provided with at least two raised lines 7, described connecting plate is provided with the chute 6 adapting with raised line 7 on 1 lower surface.In the present embodiment, the position of chute 6 is corresponding with the position of raised line 7.When clamping plate 3 slide on connecting plate 1, for keeping the stability of relative motion between raised line 7 and chute 6,3 raised lines 7 can be set on clamping plate 3, lay respectively at two ends and the middle part of clamping plate 3 end faces.
Embodiment 5
The present embodiment has been made following further restriction on the basis of embodiment 1: on described left clamping plate 31 and right clamping plate 32, be provided with at least two the 3rd screwed holes 10, on described left plate, be provided with left clamping plate 31 on the second screwed hole 9 of adapting of the 3rd screwed hole 10, on described right plate, be provided with right clamping plate 32 on the second screwed hole 9 of adapting of the 3rd screwed hole 10.For guaranteeing that adjusting bolt 4 can act on clamping plate 3 equably, and further strengthen the fixation of 4 pairs of clamping plate 3 positions of adjusting bolt, the 3rd screwed hole 10 can be mirror image setting on clamping plate 3.For example the 3rd screwed hole 10 can be respectively along laterally and being longitudinally mirror image setting on the left side of left clamping plate 31.
Embodiment 6
On the basis of the present embodiment any one embodiment in embodiment 1 ~ 5, made following further restriction: on described left clamping plate 31 and right clamping plate 32, be provided with at least two the first screwed holes 8, the first screwed hole 8 on left clamping plate (31) and right clamping plate 32 corresponds to each other.In the present embodiment, on left clamping plate 21 and right clamping plate 32, number and the position of the first screwed hole correspond to each other.A plurality of the first screwed holes 8 are set on clamping plate 3, and the spacing of 8 of the first screwed holes is less.So, the present embodiment when application, can choose the first the most suitable screwed hole position 8 according to the size of erection column and type and position with right clamping plate 32 by 5 pairs of left clamping plate 31 of positioning screw.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other execution modes that draw under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (6)
1. outdoor AP anti-rotation placement devices, it is characterized in that: comprise connecting plate (1), side plate (2), clamping plate (3), adjusting bolt (4) and positioning screw (5), described side plate (2) comprises left plate and right plate, described clamping plate (3) comprise left clamping plate (31) and right clamping plate (32), described adjusting bolt (4) comprises left adjusting bolt and right adjusting bolt, described left plate and right plate are connected to the two ends, left and right of connecting plate (1), on connecting plate (1) lower surface, be provided with the chute (6) that the little inner chamber of opening is large, on described left clamping plate (31) and right clamping plate (32), be provided with the raised line (7) that opening and inner chamber with chute (6) adapt, described raised line (7) is inserted in chute (6), both are provided with the first screwed hole (8) with respect to the other end that is provided with raised line (7) end described left clamping plate (31) and right clamping plate (32), described positioning screw (5) is through left clamping plate (31) and both the first screwed holes (8) of right clamping plate (32), by being arranged on first nut (11) at positioning screw (5) two ends, left clamping plate (31) and right clamping plate (32) are played the role of positioning, on left plate and right plate, be provided with the second screwed hole (9), on left clamping plate (31) and right clamping plate (32), be respectively arranged with three screwed hole (10) corresponding with the second screwed hole (9), described left adjusting bolt is located in the 3rd screwed hole (10) on left clamping plate (31) through the second screwed hole (9) on left plate, position for fixing left clamping plate (31) on connecting plate (1), described right adjusting bolt is located in the 3rd screwed hole (10) on right clamping plate (32) through the second screwed hole (9) on right plate, position for fixing right clamping plate (32) on connecting plate (1), left adjusting bolt and right adjusting bolt are equipped with respectively the second nut (12) at the place, aperture of the second screwed hole (9) and the 3rd screwed hole (10), in the operative end surface of described left clamping plate (31) and right clamping plate (32), be provided with a plurality of strip bulges or strip groove, strip bulge on strip bulge on left clamping plate (31) or strip groove and right clamping plate (32) or strip groove be not for arranging in the same way.
2. outdoor AP anti-rotation placement devices according to claim 1, is characterized in that: the strip bulge on described left clamping plate (31) and right clamping plate (32) or the equal horizontally set of strip groove or longitudinally setting.
3. the outdoor AP mounting structure of a kind of improved convenient operation according to claim 1, is characterized in that: the strip bulge on described left clamping plate (31) and right clamping plate (32) or the cross section of strip groove are for semicircle or trapezoidal.
4. outdoor AP anti-rotation placement devices according to claim 1, it is characterized in that: on described left clamping plate (31) and right clamping plate (32), be provided with at least two raised lines (7), on described connecting plate (1) lower surface, be provided with the chute (6) adapting with raised line (7).
5. outdoor AP anti-rotation placement devices according to claim 1, it is characterized in that: on described left clamping plate (31) and right clamping plate (32), be provided with at least two the 3rd screwed holes (10), on described left plate, be provided with left clamping plate (31) on the second screwed hole (9) of adapting of the 3rd screwed hole (10), on described right plate, be provided with right clamping plate (32) on the second screwed hole (9) of adapting of the 3rd screwed hole (10).
6. according to the outdoor AP anti-rotation placement devices described in any one in claim 1 ~ 5, it is characterized in that: on described left clamping plate (31) and right clamping plate (32), be provided with at least two the first screwed holes (8), the first screwed hole (8) on left clamping plate (31) and right clamping plate (32) corresponds to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473674.3A CN104202686A (en) | 2014-09-17 | 2014-09-17 | Outdoor AP (access point) anti-rotating arrangement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473674.3A CN104202686A (en) | 2014-09-17 | 2014-09-17 | Outdoor AP (access point) anti-rotating arrangement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104202686A true CN104202686A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410473674.3A Pending CN104202686A (en) | 2014-09-17 | 2014-09-17 | Outdoor AP (access point) anti-rotating arrangement device |
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| CN (1) | CN104202686A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104853260A (en) * | 2015-05-15 | 2015-08-19 | 中山市默拜尔网络科技有限公司 | Wireless AP fixation device |
| CN107631274A (en) * | 2017-10-25 | 2018-01-26 | 嘉兴并升照明电器有限公司 | A kind of LED easy to assembly |
| CN107676356A (en) * | 2017-10-27 | 2018-02-09 | 唐文剑 | A kind of attachment means for furniture installation |
| CN108789034A (en) * | 2018-07-11 | 2018-11-13 | 芜湖市泰能电热器具有限公司 | Grinding device is waved in a kind of clamping of lift |
| CN108914999A (en) * | 2018-07-28 | 2018-11-30 | 江苏地基工程有限公司 | Structure is repaired in correction for tilting pile foundation |
| CN110340838A (en) * | 2019-07-19 | 2019-10-18 | 常州机电职业技术学院 | Fastening device for bolt and nut |
| CN112856145A (en) * | 2021-03-12 | 2021-05-28 | 佛山市川东磁电股份有限公司 | Sensor fixing device |
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| CN102760933A (en) * | 2012-07-13 | 2012-10-31 | 苏州市尚科产品检测中心 | Antenna clamping mechanism of station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853260A (en) * | 2015-05-15 | 2015-08-19 | 中山市默拜尔网络科技有限公司 | Wireless AP fixation device |
| CN107631274A (en) * | 2017-10-25 | 2018-01-26 | 嘉兴并升照明电器有限公司 | A kind of LED easy to assembly |
| CN107676356A (en) * | 2017-10-27 | 2018-02-09 | 唐文剑 | A kind of attachment means for furniture installation |
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| CN108914999A (en) * | 2018-07-28 | 2018-11-30 | 江苏地基工程有限公司 | Structure is repaired in correction for tilting pile foundation |
| CN108914999B (en) * | 2018-07-28 | 2020-07-24 | 江苏地基工程有限公司 | Deviation rectifying and repairing structure for inclined pile foundation |
| CN110340838A (en) * | 2019-07-19 | 2019-10-18 | 常州机电职业技术学院 | Fastening device for bolt and nut |
| CN112856145A (en) * | 2021-03-12 | 2021-05-28 | 佛山市川东磁电股份有限公司 | Sensor fixing device |
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Application publication date: 20141210 |
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| RJ01 | Rejection of invention patent application after publication |